add maintenance mode notice

add Windows section to readme
Reported-by: Ben S.
2022-11-13 06:24:35 +01:00 · 2022-11-13 06:19:51 +01:00 · 2022-11-13 06:17:34 +01:00 · 2022-08-01 14:21:06 +02:00 · 2021-05-17 23:31:50 +02:00 · 2021-02-08 17:28:46 +01:00
42 changed files with 2005 additions and 502 deletions
--- a/.clang-format
+++ b/.clang-format
@ -0,0 +1,131 @@
+# -*- mode: yaml -*-
+# Written for clang-format 10.
+# https://releases.llvm.org/10.0.0/tools/clang/docs/ClangFormatStyleOptions.html
+---
+DisableFormat: false
+Language: Cpp
+
+AccessModifierOffset: -4
+AlignAfterOpenBracket: Align
+AlignConsecutiveAssignments: false
+# AlignConsecutiveBitFields: false # clang-format 11
+AlignConsecutiveDeclarations: false
+AlignConsecutiveMacros: false
+AlignEscapedNewlines: DontAlign
+AlignOperands: true             # clang-format 11: Align
+AlignTrailingComments: true
+AllowAllArgumentsOnNextLine: false
+AllowAllConstructorInitializersOnNextLine: false
+AllowAllParametersOfDeclarationOnNextLine: false
+AllowShortBlocksOnASingleLine: Empty
+AllowShortCaseLabelsOnASingleLine: false
+# AllowShortEnumsOnASingleLine: false # clang-format 11
+AllowShortFunctionsOnASingleLine: Empty
+AllowShortIfStatementsOnASingleLine: Never
+AllowShortLambdasOnASingleLine: Inline
+AllowShortLoopsOnASingleLine: false
+AlwaysBreakAfterReturnType: None
+AlwaysBreakBeforeMultilineStrings: false
+AlwaysBreakTemplateDeclarations: Yes
+BinPackArguments: true
+BinPackParameters: true
+BraceWrapping:                  # If BreakBeforeBraces is set to Custom.
+  AfterCaseLabel: true
+  AfterClass: true
+  AfterControlStatement: Always
+  AfterEnum: true
+  AfterFunction: true
+  AfterNamespace: true
+  AfterStruct: true
+  AfterUnion: true
+  AfterExternBlock: true
+  BeforeCatch: true
+  BeforeElse: true
+  # BeforeLambdaBody: true        # clang-format 11
+  # BeforeWhile: true             # clang-format 11
+  IndentBraces: false
+  SplitEmptyFunction: false
+  SplitEmptyRecord: false
+  SplitEmptyNamespace: false
+BreakBeforeBinaryOperators: NonAssignment
+BreakBeforeBraces: Custom
+BreakBeforeTernaryOperators: true
+BreakConstructorInitializers: BeforeComma
+BreakInheritanceList: BeforeComma
+BreakStringLiterals: true
+ColumnLimit: 80
+# CommentPragmas: 'regex'
+CompactNamespaces: false
+ConstructorInitializerAllOnOneLineOrOnePerLine: false
+ConstructorInitializerIndentWidth: 4
+ContinuationIndentWidth: 4
+Cpp11BracedListStyle: true
+DeriveLineEnding: true
+DerivePointerAlignment: false
+FixNamespaceComments: true
+ForEachMacros:
+  - FOREACH
+  - RANGES_FOR
+  - Q_FOREACH
+  - BOOST_FOREACH
+IncludeBlocks: Regroup
+IncludeCategories:              # stdlib headers into own group.
+  - Regex: '^[^\.]+$'
+    Priority: 4
+# IndentCaseBlocks: false         # clang-format 11
+IndentCaseLabels: false
+# IndentExternBlock: NoIndent     # clang-format 11
+IndentGotoLabels: false
+IndentPPDirectives: AfterHash
+IndentWidth: 4
+IndentWrappedFunctionNames: false
+KeepEmptyLinesAtTheStartOfBlocks: true
+# MacroBlockBegin: 'string'
+# MacroBlockEnd:   'string'
+MaxEmptyLinesToKeep: 1
+NamespaceIndentation: None
+# NamespaceMacros: 'string'
+PenaltyBreakAssignment: 250
+PenaltyBreakBeforeFirstCallParameter: 300
+# PenaltyBreakComment: 300
+# PenaltyBreakFirstLessLess: 120
+# PenaltyBreakString: 1000
+# PenaltyBreakTemplateDeclaration: 10
+# PenaltyExcessCharacter: 1000000
+# PenaltyReturnTypeOnItsOwnLine: 60
+PointerAlignment: Right
+# RawStringFormats: # <YAML>
+ReflowComments: true
+SortIncludes: true
+SortUsingDeclarations: true
+SpaceAfterCStyleCast: false
+SpaceAfterLogicalNot: false
+SpaceAfterTemplateKeyword: false
+SpaceBeforeAssignmentOperators: true
+SpaceBeforeCpp11BracedList: false
+SpaceBeforeCtorInitializerColon: true
+SpaceBeforeInheritanceColon: true
+SpaceBeforeParens: ControlStatements
+SpaceBeforeRangeBasedForLoopColon: true
+SpaceBeforeSquareBrackets: false
+SpaceInEmptyBlock: false
+SpaceInEmptyParentheses: false
+SpacesBeforeTrailingComments: 1
+SpacesInAngles: false
+SpacesInCStyleCastParentheses: false
+SpacesInConditionalStatement: false
+SpacesInContainerLiterals: false
+SpacesInParentheses: false
+SpacesInSquareBrackets: false
+Standard: Auto
+# StatementMacros:
+#   - Q_UNUSED
+#   - QT_REQUIRE_VERSION
+TabWidth: 4
+# TypenameMacros:
+#   - STACK_OF
+#   - LIST
+UseCRLF: false
+UseTab: Never
+# WhitespaceSensitiveMacros: ['string', 'string'] # clang-format 11
+...
--- a/.clang-tidy
+++ b/.clang-tidy
@ -0,0 +1,45 @@
+# -*- mode: conf; fill-column: 100; -*-
+# Written for clang-tidy 11.
+
+---
+Checks:         '*,
+                -cppcoreguidelines-non-private-member-variables-in-classes,
+                -fuchsia-default-arguments-calls,
+                -fuchsia-default-arguments-declarations,
+                -fuchsia-default-arguments,
+                -llvm-include-order,
+                -llvm-header-guard,
+                -misc-non-private-member-variables-in-classes,
+                -fuchsia-overloaded-operator,
+                -cppcoreguidelines-avoid-magic-numbers,
+                -readability-magic-numbers,
+                -cppcoreguidelines-pro-bounds-array-to-pointer-decay,
+                -hicpp-no-array-decay,
+                -modernize-avoid-c-arrays,
+                -cppcoreguidelines-avoid-c-arrays,
+                -hicpp-avoid-c-arrays,
+                -google-build-using-namespace,
+                -readability-named-parameter,
+                -google-runtime-references,
+                -hicpp-avoid-goto,
+                -hicpp-vararg,
+                -fuchsia-statically-constructed-objects,
+                -google-readability-todo,
+                -modernize-use-trailing-return-type,
+                -fuchsia-multiple-inheritance,
+                -llvmlibc*'
+FormatStyle:    file            # Use .clang-format.
+CheckOptions:   # ↓ Clashes with static private member prefix. (static int _var;) ↓
+                - { key: readability-identifier-naming.VariableCase,          value: lower_case }
+                - { key: readability-identifier-naming.MemberCase,            value: lower_case }
+                - { key: readability-identifier-naming.PrivateMemberCase,     value: lower_case }
+                - { key: readability-identifier-naming.PrivateMemberPrefix,   value: _          }
+                - { key: readability-identifier-naming.ProtectedMemberCase,   value: lower_case }
+                - { key: readability-identifier-naming.ProtectedMemberPrefix, value: _          }
+
+                - { key: readability-identifier-naming.ClassCase,             value: CamelCase  }
+                - { key: readability-identifier-naming.StructCase,            value: lower_case }
+                - { key: readability-identifier-naming.EnumCase,              value: lower_case }
+                - { key: readability-identifier-naming.FunctionCase,          value: lower_case }
+                - { key: readability-identifier-naming.ParameterCase,         value: lower_case }
+...
--- a/.drone.yml
+++ b/.drone.yml
@ -141,7 +141,7 @@ steps:
  - apt-get install -qq build-essential cmake lsb-release
  - apt-get install -qq libcurl4-openssl-dev
  - rm -rf build && mkdir -p build && cd build
-  - cmake -G "Unix Makefiles" -SCMAKE_INSTALL_PREFIX=/usr -DWITH_DEB=YES ..
+  - cmake -G "Unix Makefiles" -DCMAKE_INSTALL_PREFIX=/usr -DWITH_DEB=YES ..
  - make
  - make install DESTDIR=install
  - make package
--- a/.gitignore
+++ b/.gitignore
@ -1,4 +1,3 @@
 /build/
-/doc/
 /update_doc.sh
 /examples/example99*
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@ -1,6 +1,6 @@
 # Support version 3.9 and above, but use policy settings up to 3.14.
 # 3.9 is needed for project description.
-cmake_minimum_required(VERSION 3.9...3.14)
+cmake_minimum_required(VERSION 3.9...3.16)
 # Ranges are supported from 3.12, set policy to current for < 3.12.
 if(${CMAKE_VERSION} VERSION_LESS 3.12)
  cmake_policy(VERSION ${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION})
@ -10,8 +10,17 @@ endif()
 set(CMAKE_BUILD_TYPE "Release" CACHE STRING "The type of build.")
 option(BUILD_SHARED_LIBS "Build shared libraries." YES)

+# Not every non-debug build type adds -DNDEBUG.
+if(NOT ${CMAKE_BUILD_TYPE} MATCHES "Debug")
+  if(${CMAKE_VERSION} VERSION_LESS 3.12)
+    add_definitions("-DNDEBUG")
+  else()
+    add_compile_definitions("NDEBUG")
+  endif()
+endif()
+
 project(mastodonpp
-  VERSION 0.2.0
+  VERSION 0.5.7
  DESCRIPTION "C++ wrapper for the Mastodon and Pleroma APIs."
  LANGUAGES CXX)

@ -20,8 +29,10 @@ list(APPEND CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake")
 # Project build options.
 option(WITH_TESTS "Compile tests." NO)
 option(WITH_EXAMPLES "Compile examples." NO)
+option(WITH_DOC "Generate API documentation." NO)
 option(WITH_DEB "Prepare for the building of .deb packages." NO)
 option(WITH_RPM "Prepare for the building of .rpm packages." NO)
+option(WITH_CLANG-TIDY "Check sourcecode with clang-tidy while compiling." NO)

 set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
@ -29,9 +40,11 @@ set(CMAKE_CXX_EXTENSIONS OFF)

 include(debug_flags)

-# Disable debug log.
-if(NOT ${CMAKE_BUILD_TYPE} STREQUAL "Debug")
-  add_definitions("-DNDEBUG")
+if(WITH_CLANG-TIDY)
+  set(CMAKE_CXX_CLANG_TIDY
+    "clang-tidy"
+    "-header-filter=${PROJECT_SOURCE_DIR}"
+    "-quiet")
 endif()

 add_subdirectory(src)
@ -48,4 +61,11 @@ if(WITH_EXAMPLES)
  add_subdirectory(examples)
 endif()

+if(WITH_DOC)
+  include(cmake/Doxygen.cmake)
+  enable_doxygen(
+    "${CMAKE_CURRENT_SOURCE_DIR}/include"
+    "${CMAKE_CURRENT_SOURCE_DIR}/src")
+endif()
+
 include(cmake/packages.cmake)
--- a/CONTRIBUTING.adoc
+++ b/CONTRIBUTING.adoc
@ -4,6 +4,8 @@
 :contact-email: tastytea@tastytea.de
 :contact-xmpp: {contact-email}
 :contact-fediverse: https://likeable.space/users/tastytea
+:uri-git-format-patch: https://git-scm.com/docs/git-format-patch
+:uri-git-send-email: https://git-scm.com/docs/git-send-email

 == How to contribute

@ -23,7 +25,10 @@ don't want to open an account.
 === Pull requests

 Please use similar coding conventions as the rest of the project. The basic rule
-to remember is to write code in the same style as the existing/surrounding code.
+to remember is to write code in the same style as the existing/surrounding
+code. Add a copyright line with the year, your name and your email address to
+the files you edited, unless you don't want to.

 You can also send me your patches via mailto:{contact-email}[E-Mail], ideally
-using `git format-patch` or `git send-email`.
+using link:{uri-git-format-patch}[git format-patch] or
+link:{uri-git-send-email}[git send-email].
--- a/27
+++ b/27
@ -1,27 +0,0 @@
-# -*- mode: conf-unix -*-
-INPUT                  = src/ include/
-RECURSIVE              = YES
-STRIP_FROM_INC_PATH    = "include"
-EXAMPLE_PATH           = examples/
-EXAMPLE_RECURSIVE      = YES
-GENERATE_HTML          = YES
-HTML_OUTPUT            = doc/html
-GENERATE_LATEX         = NO
-ALLOW_UNICODE_NAMES    = YES
-BRIEF_MEMBER_DESC      = YES
-REPEAT_BRIEF           = YES
-ALWAYS_DETAILED_SEC    = YES
-INLINE_INHERITED_MEMB  = NO
-INHERIT_DOCS           = YES
-SEPARATE_MEMBER_PAGES  = NO
-TAB_SIZE               = 4
-MARKDOWN_SUPPORT       = YES
-AUTOLINK_SUPPORT       = YES
-INLINE_SIMPLE_STRUCTS  = NO
-QUIET                  = NO
-WARNINGS               = YES
-BUILTIN_STL_SUPPORT    = YES
-VERBATIM_HEADERS       = YES
-INLINE_SOURCES         = YES
-SEARCHENGINE           = YES
-SHOW_FILES             = YES
--- a/README.adoc
+++ b/README.adoc
@ -3,37 +3,49 @@
 :project: mastodonpp
 :uri-base: https://schlomp.space/tastytea/{project}
 :uri-branch-main: {uri-base}/src/branch/main
+:uri-wp-mastodon: https://en.wikipedia.org/wiki/Mastodon_(software)
+:uri-pleroma: https://pleroma.social/
 :uri-mastodon-cpp: https://schlomp.space/tastytea/mastodon-cpp
 :uri-reference: https://doc.schlomp.space/{project}/
 :uri-gcc: https://gcc.gnu.org/
-:uti-clang: https://clang.llvm.org/
+:uri-clang: https://clang.llvm.org/
 :uri-cmake: https://cmake.org/
 :uri-doxygen: http://www.doxygen.nl/
 :uri-catch: https://github.com/catchorg/Catch2
 :uri-dpkg: https://packages.qa.debian.org/dpkg
 :uri-rpm-build: http://www.rpm.org
 :uri-libcurl: https://curl.haxx.se/libcurl/
+:uri-nodeinfo: https://nodeinfo.diaspora.software/
+:uri-clang-tidy: https://clang.llvm.org/extra/clang-tidy/

-*{project}* is a C++ wrapper for the Mastodon and Pleroma APIs. It replaces
+*{project}* is a C++ wrapper for the link:{uri-wp-mastodon}[Mastodon] and
+link:{uri-pleroma}[Pleroma] APIs. It replaces
 link:{uri-mastodon-cpp}[mastodon-cpp].

+[IMPORTANT]
+mastodonpp is in maintenance mode. I will continue to fix bugs, but won't add
+new features. If you'd like to adopt this project, please get in touch.
+
 We aim to create a library that is comfortable, yet minimal. All API endpoints
-from Mastodon and Pleroma are stored in ``enum class``es, to counteract typos and
-make your life easier. The network-facing code is built on
+from Mastodon and Pleroma are stored in ``enum class``es, to counteract typos
+and make your life easier. The network-facing code is built on
 link:{uri-libcurl}[libcurl], a mature and stable library that is available on
-virtually every operating system. The library does not parse the responses
-itself, but returns to you the raw data, because we know everyone has their
-favorite JSON library and we don't want to impose our choice on you!
+most operating systems. The library does not parse the responses itself, but
+returns to you the raw data, because we know everyone has their favorite JSON
+library and we don't want to impose our choice on you!

 == Features

-This is still a work in progress; here is a rough overview of the features:
+Here is a rough overview of the features:

-* [x]  `GET`, Streaming `GET`, `POST`, `PATCH`, `PUT` and `DELETE` requests.
+* [x] `GET`, Streaming `GET`, `POST`, `PATCH`, `PUT` and `DELETE` requests.
+* [x] Comfortable access to pagination headers.
 * [x] Report maximum allowed character per post.
-* [ ] Comfortable access to pagination headers.
-* [ ] Comfortable function to register a new “app” (get an access token).
-* [ ] Report which mime types are allowed for posting statuses.
+* [x] Simple function to register a new “app” (get an access token).
+* [x] Report which mime types are allowed for posting statuses.
+* [x] Find and retrieve link:{uri-nodeinfo}[NodeInfo].
+* [x] Easy access to the libcurl handle for maximum configurability.
+* [x] Set proxy server, User-Agent and the path to the CA bundle.

 == Usage

@ -43,12 +55,13 @@ Have a look at the link:{uri-reference}[reference].

 [source,cpp]
 --------------------------------------------------------------------------------
-#include "mastodonpp.hpp"
+#include <mastodonpp/mastodonpp.hpp>
 #include <iostream>

 int main()
 {
    mastodonpp::Instance instance{"example.com", "123AccessToken123"};
+    instance.set_proxy("socks4a://[::1]:9050");
    mastodonpp::Connection connection{instance};

    const mastodonpp::parametermap parameters
@ -70,16 +83,24 @@ link:{uri-reference}/examples.html[More examples] are included in the reference.

 == Install

+[alt="Packaging status" link=https://repology.org/project/mastodonpp/versions]
+image::https://repology.org/badge/vertical-allrepos/mastodonpp.svg[]
+
 === Gentoo

 [source,shell]
 --------------------------------------------------------------------------------
-eselect repository enable tastytea
+eselect repository enable guru
 echo 'dev-cpp/mastodonpp' >> /etc/portage/package.accept_keywords/mastodonpp
-emaint sync -r tastytea
+emaint sync -r guru
 emerge -a dev-cpp/mastodonpp
 --------------------------------------------------------------------------------

+=== Arch
+
+The git-version is available via the AUR:
+<https://aur.archlinux.org/packages/mastodonpp-git/>.
+
 === Debian and Ubuntu

 We automatically generate packages for Debian buster (10) and Ubuntu bionic
@ -106,13 +127,14 @@ yum install ./libmastodonpp*.rpm
 ==== Dependencies

 * Tested OS: Linux
-* C++ compiler (tested: link:{uri-gcc}[GCC] 7/8/9, link:{uri-lang}[clang] 6/7)
+* C\++ compiler with C++17 support (tested: link:{uri-gcc}[GCC] 7/8/9,
+  link:{uri-clang}[clang] 6/7)
 * link:{uri-cmake}[CMake] (at least: 3.9)
 * link:{uri-libcurl}[libcurl] (at least: 7.56)
 * Optional
  ** Documentation: link:{uri-doxygen}[Doxygen] (tested: 1.8)
  ** Tests: link:{uri-catch}[Catch] (tested: 2.5 / 1.2)
-  ** DEB package: link:{uri-dpkg}[dpkg] (tested: 1.18)
+  ** DEB package: link:{uri-dpkg}[dpkg] (tested: 1.19)
  ** RPM package: link:{uri-rpm-build}[rpm-build] (tested: 4.11)

 ==== Get sourcecode
@ -141,8 +163,19 @@ cmake --build . -- -j$(nproc --ignore=1)
 * `-DCMAKE_BUILD_TYPE=Debug` for a debug build.
 * `-DWITH_TESTS=YES` if you want to compile the tests.
 * `-DWITH_EXAMPLES=YES` if you want to compile the examples.
+* `-DWITH_DOC=YES` if you want to generate the API documentation.
+* `-DWITH_CLANG-TIDY=YES` to check the sourcecode with
+  link:{uri-clang-tidy}[clang-tidy] while compiling.
 * One of:
  ** `-DWITH_DEB=YES` if you want to be able to generate a deb-package.
  ** `-DWITH_RPM=YES` if you want to be able to generate an rpm-package.

+To create a deb or rpm package, run `make package` after compiling.
+
+===== Windows
+
+mastodonpp has been reported to compile with MinGW GCC, but
+`http_method::DELETE` has to be renamed, because Windows headers define a
+`DELETE` macro.
+
 include::{uri-base}/raw/branch/main/CONTRIBUTING.adoc[]
--- a/build_doc.sh
+++ b/build_doc.sh
@ -1,11 +0,0 @@
-#!/bin/sh
-
-project="$(realpath --relative-base=.. .)"
-version="$(grep -Eo '[0-9]+.[0-9]+.[0-9]+$' CMakeLists.txt)"
-
-if [[ -f Doxyfile ]]; then
-    mkdir -p doc
-    (doxygen -s -g - && cat Doxyfile &&
-         echo "PROJECT_NAME = ${project}" &&
-         echo "PROJECT_NUMBER = ${version}") | doxygen -
-fi
--- a/cmake/Doxygen.cmake
+++ b/cmake/Doxygen.cmake
@ -0,0 +1,43 @@
+include(GNUInstallDirs)
+
+function(enable_doxygen)
+  find_package(Doxygen REQUIRED dot)
+
+  set(DOXYGEN_RECURSIVE              YES)
+  set(DOXYGEN_STRIP_FROM_INC_PATH    "include")
+  if (WITH_EXAMPLES)
+    set(DOXYGEN_EXAMPLE_PATH         "examples/")
+    set(DOXYGEN_EXAMPLE_RECURSIVE    YES)
+  endif()
+  set(DOXYGEN_GENERATE_HTML          YES)
+  set(DOXYGEN_HTML_OUTPUT            "doc/html")
+  set(DOXYGEN_GENERATE_LATEX         NO)
+  set(DOXYGEN_ALLOW_UNICODE_NAMES    YES)
+  set(DOXYGEN_BRIEF_MEMBER_DESC      YES)
+  set(DOXYGEN_REPEAT_BRIEF           YES)
+  set(DOXYGEN_ALWAYS_DETAILED_SEC    YES)
+  set(DOXYGEN_INLINE_INHERITED_MEMB  NO)
+  set(DOXYGEN_INHERIT_DOCS           YES)
+  set(DOXYGEN_SEPARATE_MEMBER_PAGES  NO)
+  set(DOXYGEN_TAB_SIZE               4)
+  set(DOXYGEN_MARKDOWN_SUPPORT       YES)
+  set(DOXYGEN_AUTOLINK_SUPPORT       YES)
+  set(DOXYGEN_INLINE_SIMPLE_STRUCTS  NO)
+  set(DOXYGEN_QUIET                  YES)
+  set(DOXYGEN_WARNINGS               YES)
+  set(DOXYGEN_WARN_IF_UNDOCUMENTED   YES)
+  set(DOXYGEN_BUILTIN_STL_SUPPORT    YES)
+  set(DOXYGEN_VERBATIM_HEADERS       YES)
+  set(DOXYGEN_INLINE_SOURCES         YES)
+  set(DOXYGEN_SEARCHENGINE           YES)
+  set(DOXYGEN_SHOW_FILES             YES)
+
+  file(MAKE_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/doc")
+
+  doxygen_add_docs(${PROJECT_NAME}_doxygen "${ARGV}")
+  # Make sure doxygen is run with every build.
+  add_custom_target(${PROJECT_NAME}_docs ALL DEPENDS ${PROJECT_NAME}_doxygen)
+
+  install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/doc/html
+    DESTINATION "${CMAKE_INSTALL_DOCDIR}")
+endfunction()
--- a/cmake/debug_flags.cmake
+++ b/cmake/debug_flags.cmake
@ -22,8 +22,6 @@ if(CMAKE_CXX_COMPILER_ID MATCHES "GNU" OR CMAKE_CXX_COMPILER_ID MATCHES "Clang"
    "-Wdouble-promotion"
    "-Wformat=2"
    "-ftrapv"
-    "-fsanitize=undefined"
-    "-g"
    "-Og"
    "-fno-omit-frame-pointer")
  if(CMAKE_CXX_COMPILER_ID MATCHES "GNU")
@ -41,15 +39,21 @@ if(CMAKE_CXX_COMPILER_ID MATCHES "GNU" OR CMAKE_CXX_COMPILER_ID MATCHES "Clang"
      endif()
    endif()
  endif()
+  if(NOT MINGW)
+    list(APPEND DEBUG_CXXFLAGS
+      "-fsanitize=undefined")
+  endif()
  add_compile_options("$<$<CONFIG:Debug>:${DEBUG_CXXFLAGS}>")

-  set(DEBUG_LDFLAGS
-    "-fsanitize=undefined")
-  # add_link_options was introduced in version 3.13.
-  if(${CMAKE_VERSION} VERSION_LESS 3.13)
-    set(CMAKE_SHARED_LINKER_FLAGS_DEBUG "${DEBUG_LDFLAGS}")
-  else()
-    add_link_options("$<$<CONFIG:Debug>:${DEBUG_LDFLAGS}>")
+  if(NOT MINGW)
+    set(DEBUG_LDFLAGS
+      "-fsanitize=undefined")
+    # add_link_options was introduced in version 3.13.
+    if(${CMAKE_VERSION} VERSION_LESS 3.13)
+      set(CMAKE_SHARED_LINKER_FLAGS_DEBUG "${DEBUG_LDFLAGS}")
+    else()
+      add_link_options("$<$<CONFIG:Debug>:${DEBUG_LDFLAGS}>")
+    endif()
  endif()
 else()
  message(STATUS
--- a/cmake/packages.cmake
+++ b/cmake/packages.cmake
@ -38,7 +38,7 @@ if(WITH_RPM)
  set(CPACK_GENERATOR "RPM")
  set(CPACK_RPM_PACKAGE_LICENSE "AGPL-3")
  set(CPACK_RPM_PACKAGE_URL "https://schlomp.space/tastytea/${PROJECT_NAME}")
-  set(CPACK_RPM_PACKAGE_REQUIRES "libcurl >= 7.32")
+  set(CPACK_RPM_PACKAGE_REQUIRES "libcurl >= 7.56")
  list(APPEND CPACK_RPM_EXCLUDE_FROM_AUTO_FILELIST_ADDITION
    "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR}/cmake"
    "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR}/pkgconfig")
--- a/examples/example01_instance_info.cpp
+++ b/examples/example01_instance_info.cpp
@ -15,7 +15,11 @@

 // Print information about an instance (/api/v1/instance).

-#include "mastodonpp.hpp"
+#if __has_include("mastodonpp.hpp")
+#    include "mastodonpp.hpp" // We're building mastodonpp.
+#else
+#    include <mastodonpp/mastodonpp.hpp> // We're building outside mastodonpp.
+#endif

 #include <iostream>
 #include <string>
@ -23,11 +27,11 @@
 #include <vector>

 namespace masto = mastodonpp;
-using std::cout;
 using std::cerr;
+using std::cout;
 using std::endl;
-using std::to_string;
 using std::string_view;
+using std::to_string;
 using std::vector;

 int main(int argc, char *argv[])
--- a/examples/example02_streaming.cpp
+++ b/examples/example02_streaming.cpp
@ -15,7 +15,11 @@

 // Print new public events (/api/v1/streaming/public).

-#include "mastodonpp.hpp"
+#if __has_include("mastodonpp.hpp")
+#    include "mastodonpp.hpp" // We're building mastodonpp.
+#else
+#    include <mastodonpp/mastodonpp.hpp> // We're building outside mastodonpp.
+#endif

 #include <chrono>
 #include <iostream>
@ -26,14 +30,14 @@

 namespace masto = mastodonpp;
 using namespace std::chrono_literals;
-using std::cout;
 using std::cerr;
+using std::cout;
 using std::endl;
-using std::to_string;
 using std::string_view;
 using std::thread;
-using std::this_thread::sleep_for;
+using std::to_string;
 using std::vector;
+using std::this_thread::sleep_for;

 int main(int argc, char *argv[])
 {
@ -57,8 +61,10 @@ int main(int argc, char *argv[])
        if (answer && answer.body == "OK")
        {
            // Make a thread, get all public events.
+            // clang-format off
            thread stream_thread{[&]
            {
+                // clang-format on
                answer = connection.get(masto::API::v1::streaming_public);
            }};

@ -69,8 +75,8 @@ int main(int argc, char *argv[])
                for (const auto &event : connection.get_new_events())
                {
                    // Print type of event and the beginning of the data.
-                    cout << event.type << ": "
-                         << event.data.substr(0, 70) << " …" << endl;
+                    cout << event.type << ": " << event.data.substr(0, 70)
+                         << " …" << endl;
                }
            }

--- a/examples/example03_post_status.cpp
+++ b/examples/example03_post_status.cpp
@ -15,7 +15,11 @@

 // Post a status (/api/v1/status).

-#include "mastodonpp.hpp"
+#if __has_include("mastodonpp.hpp")
+#    include "mastodonpp.hpp" // We're building mastodonpp.
+#else
+#    include <mastodonpp/mastodonpp.hpp> // We're building outside mastodonpp.
+#endif

 #include <iostream>
 #include <string>
@ -23,11 +27,11 @@
 #include <vector>

 namespace masto = mastodonpp;
-using std::cout;
 using std::cerr;
+using std::cout;
 using std::endl;
-using std::to_string;
 using std::string_view;
+using std::to_string;
 using std::vector;

 int main(int argc, char *argv[])
@ -47,12 +51,12 @@ int main(int argc, char *argv[])

        // Set up the parameters.
        constexpr auto poll_seconds{60 * 60 * 24 * 2}; // 2 days.
-        const masto::parametermap parameters
-            {
-                {"status", "How is the weather?"},
-                {"poll[options]", vector<string_view>{"Nice", "not nice"}},
-                {"poll[expires_in]", to_string(poll_seconds)}
-            };
+        const masto::parametermap parameters{{"status", "How is the weather?"},
+                                             {"poll[options]",
+                                              vector<string_view>{"Nice",
+                                                                  "not nice"}},
+                                             {"poll[expires_in]",
+                                              to_string(poll_seconds)}};

        // Post the status.
        auto answer{connection.post(masto::API::v1::statuses, parameters)};
--- a/examples/example04_post_with_attachment.cpp
+++ b/examples/example04_post_with_attachment.cpp
@ -15,7 +15,11 @@

 // Post a status (/api/v1/status) with an attachment (/api/v1/media).

-#include "mastodonpp.hpp"
+#if __has_include("mastodonpp.hpp")
+#    include "mastodonpp.hpp" // We're building mastodonpp.
+#else
+#    include <mastodonpp/mastodonpp.hpp> // We're building outside mastodonpp.
+#endif

 #include <iostream>
 #include <string>
@ -23,12 +27,12 @@
 #include <vector>

 namespace masto = mastodonpp;
-using std::cout;
 using std::cerr;
+using std::cout;
 using std::endl;
 using std::string;
-using std::to_string;
 using std::string_view;
+using std::to_string;
 using std::vector;

 int main(int argc, char *argv[])
@ -50,10 +54,8 @@ int main(int argc, char *argv[])

        // Create attachment.
        auto answer{connection.post(masto::API::v1::media,
-                                    {
-                                        {"file", string("@file:") += filename},
-                                        {"description", "Test."}
-                                    })};
+                                    {{"file", string("@file:") += filename},
+                                     {"description", "Test."}})};

        // Get the ID of the attachment.
        // You normally would use a JSON parser, of course. I don't use one
@ -65,11 +67,9 @@ int main(int argc, char *argv[])

        // Post the status. Note that “media_ids” always has to be a vector.
        answer = connection.post(masto::API::v1::statuses,
-                                 {
-                                     {"status", "Attachment test."},
-                                     {"media_ids",
-                                      vector<string_view>{media_id}}
-                                 });
+                                 {{"status", "Attachment test."},
+                                  {"media_ids",
+                                   vector<string_view>{media_id}}});
        if (answer)
        {
            cout << "Successfully posted " << filename << ".\n";
--- a/examples/example05_update_notification_settings.cpp
+++ b/examples/example05_update_notification_settings.cpp
@ -15,7 +15,11 @@

 // Update notification settings (/api/pleroma/notification_settings).

-#include "mastodonpp.hpp"
+#if __has_include("mastodonpp.hpp")
+#    include "mastodonpp.hpp" // We're building mastodonpp.
+#else
+#    include <mastodonpp/mastodonpp.hpp> // We're building outside mastodonpp.
+#endif

 #include <iostream>
 #include <string>
@ -23,11 +27,11 @@
 #include <vector>

 namespace masto = mastodonpp;
-using std::cout;
 using std::cerr;
+using std::cout;
 using std::endl;
-using std::to_string;
 using std::string_view;
+using std::to_string;
 using std::vector;

 int main(int argc, char *argv[])
@ -46,14 +50,14 @@ int main(int argc, char *argv[])
        masto::Connection connection{instance};

        // Update the settings.
-        const auto answer{connection.put(
-                masto::API::pleroma::notification_settings,
-                {
-                    {"followers", "true"},
-                    {"follows", "true"},
-                    {"remote", "true"},
-                    {"local", "true"},
-                })};
+        const auto answer{
+            connection.put(masto::API::pleroma::notification_settings,
+                           {
+                               {"followers", "true"},
+                               {"follows", "true"},
+                               {"remote", "true"},
+                               {"local", "true"},
+                           })};
        if (answer)
        {
            cout << answer << endl;
--- a/examples/example06_update_name.cpp
+++ b/examples/example06_update_name.cpp
@ -15,7 +15,11 @@

 // Update account display name settings (/api/v1/accounts/update_credentials).

-#include "mastodonpp.hpp"
+#if __has_include("mastodonpp.hpp")
+#    include "mastodonpp.hpp" // We're building mastodonpp.
+#else
+#    include <mastodonpp/mastodonpp.hpp> // We're building outside mastodonpp.
+#endif

 #include <iostream>
 #include <string>
@ -23,11 +27,11 @@
 #include <vector>

 namespace masto = mastodonpp;
-using std::cout;
 using std::cerr;
+using std::cout;
 using std::endl;
-using std::to_string;
 using std::string_view;
+using std::to_string;
 using std::vector;

 int main(int argc, char *argv[])
@ -48,11 +52,9 @@ int main(int argc, char *argv[])
        masto::Connection connection{instance};

        // Update the settings.
-        const auto answer{connection.patch(
-                masto::API::v1::accounts_update_credentials,
-                {
-                    {"display_name", name},
-                })};
+        const auto answer{
+            connection.patch(masto::API::v1::accounts_update_credentials,
+                             {{"display_name", name}})};
        if (answer)
        {
            cout << "Successfully changed display name.\n";
--- a/examples/example07_delete_status.cpp
+++ b/examples/example07_delete_status.cpp
@ -15,7 +15,11 @@

 // Post a status (/api/v1/status), then delete it (/api/v1/statuses/:id).

-#include "mastodonpp.hpp"
+#if __has_include("mastodonpp.hpp")
+#    include "mastodonpp.hpp" // We're building mastodonpp.
+#else
+#    include <mastodonpp/mastodonpp.hpp> // We're building outside mastodonpp.
+#endif

 #include <chrono>
 #include <iostream>
@ -26,13 +30,13 @@

 namespace masto = mastodonpp;
 using namespace std::chrono_literals;
-using std::cout;
 using std::cerr;
+using std::cout;
 using std::endl;
-using std::to_string;
 using std::string_view;
-using std::this_thread::sleep_for;
+using std::to_string;
 using std::vector;
+using std::this_thread::sleep_for;

 int main(int argc, char *argv[])
 {
--- a/examples/example08_obtain_token.cpp
+++ b/examples/example08_obtain_token.cpp
@ -0,0 +1,117 @@
+/*  This file is part of mastodonpp.
+ *  Copyright © 2020 tastytea <tastytea@tastytea.de>
+ *
+ *  Permission to use, copy, modify, and/or distribute this software for any
+ *  purpose with or without fee is hereby granted.
+ *
+ *  THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ *  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ *  SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ *  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ *  OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ *  CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+// Obtain an access token and verify that it works.
+
+#if __has_include("mastodonpp.hpp")
+#    include "mastodonpp.hpp" // We're building mastodonpp.
+#else
+#    include <mastodonpp/mastodonpp.hpp> // We're building outside mastodonpp.
+#endif
+
+#include <cstdlib>
+#include <iostream>
+#include <string>
+#include <string_view>
+#include <vector>
+
+namespace masto = mastodonpp;
+using std::cerr;
+using std::cin;
+using std::cout;
+using std::endl;
+using std::exit;
+using std::string;
+using std::string_view;
+using std::to_string;
+using std::vector;
+
+void handle_error(const masto::answer_type &answer);
+
+int main(int argc, char *argv[])
+{
+    const vector<string_view> args(argv, argv + argc);
+    if (args.size() <= 1)
+    {
+        cerr << "Usage: " << args[0] << " <instance hostname>\n";
+        return 1;
+    }
+
+    try
+    {
+        // Initialize Instance and Instance::ObtainToken.
+        masto::Instance instance{args[1], {}};
+        masto::Instance::ObtainToken token{instance};
+
+        // Create an “Application” (/api/v1/apps),
+        // and get URI for the authorization code (/oauth/authorize).
+        // NOTE: Mastodon only needs read:accounts for verify_credentials but
+        // Pleroma needs the full read scope.
+        auto answer{token.step_1("Testclient", "read write:favourites",
+                                 "https://example.com/")};
+        if (!answer)
+        {
+            handle_error(answer);
+        }
+
+        cout << "Please visit " << answer << "\nand paste the code here: ";
+        string code;
+        cin >> code;
+
+        // Obtain the token (/oauth/token).
+        answer = token.step_2(code);
+        if (!answer)
+        {
+            handle_error(answer);
+        }
+
+        cout << "Your access token is: " << answer << endl;
+
+        // Test if the token works.
+        masto::Connection connection{instance};
+        answer = connection.get(masto::API::v1::apps_verify_credentials);
+        if (!answer)
+        {
+            handle_error(answer);
+        }
+
+        cout << answer << endl;
+    }
+    catch (const masto::CURLException &e)
+    {
+        // Only libcurl errors that are not network errors will be thrown.
+        // There went probably something wrong with the initialization.
+        cerr << e.what() << endl;
+    }
+
+    return 0;
+}
+
+void handle_error(const masto::answer_type &answer)
+{
+    if (answer.curl_error_code == 0)
+    {
+        // If it is no libcurl error, it must be an HTTP error.
+        cerr << "HTTP status: " << answer.http_status << endl;
+    }
+    else
+    {
+        // Network errors like “Couldn't resolve host.”.
+        cerr << "libcurl error " << to_string(answer.curl_error_code) << ": "
+             << answer.error_message << endl;
+    }
+
+    exit(1);
+}
--- a/examples/example09_nlohmann_json.cpp
+++ b/examples/example09_nlohmann_json.cpp
@ -0,0 +1,145 @@
+/*  This file is part of mastodonpp.
+ *  Copyright © 2020 tastytea <tastytea@tastytea.de>
+ *
+ *  Permission to use, copy, modify, and/or distribute this software for any
+ *  purpose with or without fee is hereby granted.
+ *
+ *  THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ *  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ *  SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ *  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ *  OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ *  CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+// Get the last 4 public statuses of an instance and process them with
+// nlohmann-json. <https://github.com/nlohmann/json>
+
+#if __has_include("mastodonpp.hpp")
+#    include "mastodonpp.hpp" // We're building mastodonpp.
+#else
+#    include <mastodonpp/mastodonpp.hpp> // We're building outside mastodonpp.
+#endif
+
+// Don't compile if nlohmann-json can't be found.
+#if __has_include(<nlohmann/json.hpp>)
+#    include <nlohmann/json.hpp>
+
+#    include <cstdlib>
+#    include <iostream>
+#    include <string>
+#    include <string_view>
+#    include <vector>
+
+namespace masto = mastodonpp;
+using json = nlohmann::json;
+using std::cerr;
+using std::cout;
+using std::exit;
+using std::string_view;
+using std::to_string;
+using std::vector;
+
+void handle_error(const masto::answer_type &answer);
+
+int main(int argc, char *argv[])
+{
+    const vector<string_view> args(argv, argv + argc);
+    if (args.size() <= 1)
+    {
+        cerr << "Usage: " << args[0] << " <instance hostname>\n";
+        return 1;
+    }
+
+    try
+    {
+        // Initialize Instance and Connection.
+        masto::Instance instance{args[1], {}};
+        masto::Connection connection{instance};
+
+        // Get the last 4 public statuses of the instance.
+        auto answer{connection.get(masto::API::v1::timelines_public,
+                                   {{"limit", "4"}, {"local", "true"}})};
+        if (answer)
+        {
+            // Parse JSON string.
+            auto statuses{json::parse(answer.body)};
+            for (const auto &status : statuses)
+            {
+                // Extract the info we want and print it.
+                const auto acct{status["account"]["acct"].get<string_view>()};
+                const auto content{status["content"].get<string_view>()};
+                const auto id{status["id"].get<string_view>()};
+                cout << acct << " wrote status " << id << ": \n";
+                cout << "  " << content.substr(0, 76) << " …\n";
+
+                // Print tags if there are any.
+                const auto tags{status["tags"]};
+                if (!tags.empty())
+                {
+                    cout << "    Tags: ";
+                    for (const auto &tag : tags)
+                    {
+                        cout << '#' << tag["name"].get<string_view>() << " ";
+                    }
+                    cout << '\n';
+                }
+
+                // Print the number of attachments.
+                const auto n_attachments{status["media_attachments"].size()};
+                if (n_attachments > 0)
+                {
+                    cout << "    " << n_attachments << " attachment";
+                    if (n_attachments > 1)
+                    {
+                        cout << "s";
+                    }
+                    cout << ".\n";
+                }
+            }
+        }
+        else
+        {
+            handle_error(answer);
+        }
+    }
+    catch (const masto::CURLException &e)
+    {
+        // Only libcurl errors that are not network errors will be thrown.
+        // There went probably something wrong with the initialization.
+        cerr << e.what() << '\n';
+    }
+    catch (const nlohmann::detail::exception &e)
+    {
+        cerr << "JSON exception: " << e.what() << '\n';
+    }
+}
+
+void handle_error(const masto::answer_type &answer)
+{
+    if (answer.curl_error_code == 0)
+    {
+        // If it is no libcurl error, it must be an HTTP error.
+        cerr << "HTTP status: " << answer.http_status << '\n';
+    }
+    else
+    {
+        // Network errors like “Couldn't resolve host.”.
+        cerr << "libcurl error " << to_string(answer.curl_error_code) << ": "
+             << answer.error_message << '\n';
+    }
+
+    exit(1);
+}
+
+#else
+
+#    include <iostream>
+int main()
+{
+    std::cout << "Example could not be compiled "
+                 "because nlohmann-json was not found.\n";
+}
+
+#endif // __has_include(<nlohmann/json.hpp>)
--- a/include/api.hpp
+++ b/include/api.hpp
@ -31,7 +31,7 @@ using std::variant;
 /*!
 *  @brief  Holds %API endpoints.
 *
- *  Supported %API endpoints: Mastodon 3.0.1, Pleroma 1.1.7.
+ *  Supported %API endpoints: Mastodon 3.0.1, Pleroma 2.0.2.
 *
 *  @since  0.1.0
 *
@ -43,7 +43,7 @@ public:
    /*!
     *  @brief  An enumeration of all v1 %API endpoints.
     *
-     *  The original `/` are substituted with `_`.
+     *  The original `/` are substituted with `_`. `:` are omitted.
     *
     *  @since  0.1.0
     */
@ -184,7 +184,6 @@ public:
        admin_reports_id_reopen,

        pleroma_notifications_read,
-
        pleroma_accounts_id_subscribe,
        pleroma_accounts_id_unsubscribe,
        pleroma_accounts_id_favourites,
@ -192,17 +191,20 @@ public:
        pleroma_accounts_update_banner,
        pleroma_accounts_update_background,
        pleroma_accounts_confirmation_resend,
-
        pleroma_mascot,
-
        pleroma_conversations_id_statuses,
        pleroma_conversations_id,
+        pleroma_conversations_id_read,
+        pleroma_accounts_id_scrobbles,
+        pleroma_scrobble,
+        pleroma_statuses_id_reactions_emoji,
+        pleroma_statuses_id_reactions,
    };

    /*!
     *  @brief  An enumeration of all v2 %API endpoints.
     *
-     *  The original `/` are substituted with `_`.
+     *  The original `/` are substituted with `_`. `:` are omitted.
     *
     *  @since  0.1.0
     */
@ -214,7 +216,7 @@ public:
    /*!
     *  @brief  An enumeration of all oauth %API endpoints.
     *
-     *  The original `/` are substituted with `_`.
+     *  The original `/` are substituted with `_`. `:` are omitted.
     *
     *  @since  0.1.0
     */
@ -230,7 +232,7 @@ public:
     *
     *  These endpoints are directly under `/api/`.
     *
-     *  The original `/` are substituted with `_`.
+     *  The original `/` are substituted with `_`. `:` are omitted.
     *
     *  @since  0.1.0
     */
@ -243,7 +245,7 @@ public:
    /*!
     *  @brief  An enumeration of all pleroma %API endpoints.
     *
-     *  The original `/` are substituted with `_`.
+     *  The original `/` are substituted with `_`. `:` are omitted.
     *
     *  @since  0.1.0
     */
@ -252,38 +254,66 @@ public:
        admin_users,
        admin_users_follow,
        admin_users_unfollow,
-        admin_users_nickname,
+        admin_users_nickname_toggle_activation,
        admin_users_tag,
        admin_users_nickname_permission_group,
        admin_users_nickname_permission_group_permission_group,
-        admin_users_nickname_activation_status,
+        admin_users_permission_group_permission_group,
+        admin_users_activate,
+        admin_users_deactivate,
        admin_users_nickname_or_id,
        admin_users_nickname_or_id_statuses,
+        admin_instances_instance_statuses,
+        admin_statuses,
        admin_relay,
        admin_users_invite_token,
        admin_users_invites,
        admin_users_revoke_invite,
        admin_users_email_invite,
        admin_users_nickname_password_reset,
+        admin_users_nickname_update_credentials,
+        admin_users_force_password_reset,
        admin_reports,
+        admin_grouped_reports,
        admin_reports_id,
-        admin_reports_id_respond,
+        admin_reports_id_notes,
+        admin_reports_report_id_notes_id,
        admin_statuses_id,
+        admin_restart,
+        admin_config,
+        admin_config_descriptions,
+        admin_moderation_log,
+        admin_reload_emoji,
+        admin_users_confirm_email,
+        admin_users_resend_confirm_email,
+        admin_stats,
+
+        // No longer documented for Pleroma 2.0.0.
+        admin_users_nickname,
+        admin_users_nickname_activation_status,
+        admin_reports_id_respond,
        admin_config_migrate_to_db,
        admin_config_migrate_from_db,
-        admin_config,

        emoji,
        follow_import,
        captcha,
-
        delete_account,
        disable_account,
-        account_register,
-
        notification_settings,
        healthcheck,
-        change_email
+        change_email,
+        emoji_packs,
+        emoji_packs_name,
+        emoji_packs_name_update_file,
+        emoji_packs_name_update_metadata,
+        emoji_packs_download_from,
+        emoji_packs_list_from,
+        emoji_packs_name_download_shared,
+
+        // No longer documented for Pleroma 2.0.0.
+        account_register,
+
    };

    /*!
@ -292,7 +322,7 @@ public:
     *
     *  @since  0.1.0
     */
-    using endpoint_type = variant<v1,v2,oauth,other,pleroma>;
+    using endpoint_type = variant<v1, v2, oauth, other, pleroma>;

    /*!
     *  @brief  Constructs an API object. You should never need this.
@ -309,17 +339,16 @@ public:
     *
     *  @since  0.1.0
     */
-    [[nodiscard]]
-    inline string_view to_string_view() const
+    [[nodiscard]] inline string_view to_string_view() const
    {
        return _endpoint_map.at(_endpoint);
    }

 private:
    const endpoint_type _endpoint;
-    static const map<endpoint_type,string_view> _endpoint_map;
+    static const map<endpoint_type, string_view> _endpoint_map;
 };

 } // namespace mastodonpp

-#endif  // MASTODONPP_API_HPP
+#endif // MASTODONPP_API_HPP
--- a/include/connection.hpp
+++ b/include/connection.hpp
@ -17,10 +17,10 @@
 #ifndef MASTODONPP_CONNECTION_HPP
 #define MASTODONPP_CONNECTION_HPP

-#include "answer.hpp"
 #include "api.hpp"
 #include "curl_wrapper.hpp"
 #include "instance.hpp"
+#include "types.hpp"

 #include <string>
 #include <string_view>
@ -40,7 +40,7 @@ using std::vector;
 *
 *  @since  0.1.0
 */
-using endpoint_variant = variant<API::endpoint_type,string_view>;
+using endpoint_variant = variant<API::endpoint_type, string_view>;

 /*!
 *  @brief  A stream event.
@ -68,6 +68,9 @@ struct event_type
 /*!
 *  @brief  Represents a connection to an instance. Used for requests.
 *
+ *  Do not make 2 requests with the same Connection at the same time. You can
+ *  create as many Connection%s as you want from one Instance.
+ *
 *  @since  0.1.0
 *
 *  @headerfile connection.hpp mastodonpp/connection.hpp
@ -82,7 +85,31 @@ public:
     *
     *  @since  0.1.0
     */
-    explicit Connection(Instance &instance);
+    explicit Connection(const Instance &instance)
+        : _instance{instance}
+        , _baseuri{instance.get_baseuri()}
+    {
+        _instance.copy_connection_properties(*this);
+    }
+
+    /*!
+     *  @brief  Copy constructor. A new CURLWrapper is constructed.
+     *
+     *  @since  0.5.2
+     */
+    Connection(const Connection &other) = default;
+
+    //! Move constructor
+    Connection(Connection &&other) noexcept = delete;
+
+    //! Destructor
+    ~Connection() noexcept override = default;
+
+    //! Copy assignment operator
+    Connection &operator=(const Connection &other) = delete;
+
+    //! Move assignment operator
+    Connection &operator=(Connection &&other) noexcept = delete;

    /*!
     *  @brief  Make a HTTP GET call with parameters.
@ -102,9 +129,8 @@ public:
     *
     *  @since  0.1.0
     */
-    [[nodiscard]]
-    answer_type get(const endpoint_variant &endpoint,
-                    const parametermap &parameters);
+    [[nodiscard]] answer_type get(const endpoint_variant &endpoint,
+                                  const parametermap &parameters);

    /*!
     *  @brief  Make a HTTP GET call.
@ -118,8 +144,7 @@ public:
     *
     *  @since  0.1.0
     */
-    [[nodiscard]]
-    inline answer_type get(const endpoint_variant &endpoint)
+    [[nodiscard]] inline answer_type get(const endpoint_variant &endpoint)
    {
        return get(endpoint, {});
    }
@ -144,9 +169,8 @@ public:
     *
     *  @since  0.1.0
     */
-    [[nodiscard]]
-    answer_type post(const endpoint_variant &endpoint,
-                     const parametermap &parameters);
+    [[nodiscard]] answer_type post(const endpoint_variant &endpoint,
+                                   const parametermap &parameters);

    /*!
     *  @brief  Make a HTTP POST call.
@ -155,8 +179,7 @@ public:
     *
     *  @since  0.1.0
     */
-    [[nodiscard]]
-    inline answer_type post(const endpoint_variant &endpoint)
+    [[nodiscard]] inline answer_type post(const endpoint_variant &endpoint)
    {
        return post(endpoint, {});
    }
@ -170,9 +193,8 @@ public:
     *
     *  @since  0.2.0
     */
-    [[nodiscard]]
-    answer_type patch(const endpoint_variant &endpoint,
-                    const parametermap &parameters);
+    [[nodiscard]] answer_type patch(const endpoint_variant &endpoint,
+                                    const parametermap &parameters);

    /*!
     *  @brief  Make a HTTP PATCH call.
@ -181,8 +203,7 @@ public:
     *
     *  @since  0.2.0
     */
-    [[nodiscard]]
-    inline answer_type patch(const endpoint_variant &endpoint)
+    [[nodiscard]] inline answer_type patch(const endpoint_variant &endpoint)
    {
        return patch(endpoint, {});
    }
@ -196,9 +217,8 @@ public:
     *
     *  @since  0.2.0
     */
-    [[nodiscard]]
-    answer_type put(const endpoint_variant &endpoint,
-                    const parametermap &parameters);
+    [[nodiscard]] answer_type put(const endpoint_variant &endpoint,
+                                  const parametermap &parameters);

    /*!
     *  @brief  Make a HTTP PUT call.
@ -207,8 +227,7 @@ public:
     *
     *  @since  0.2.0
     */
-    [[nodiscard]]
-    inline answer_type put(const endpoint_variant &endpoint)
+    [[nodiscard]] inline answer_type put(const endpoint_variant &endpoint)
    {
        return put(endpoint, {});
    }
@ -222,9 +241,8 @@ public:
     *
     *  @since  0.2.0
     */
-    [[nodiscard]]
-    answer_type del(const endpoint_variant &endpoint,
-                    const parametermap &parameters);
+    [[nodiscard]] answer_type del(const endpoint_variant &endpoint,
+                                  const parametermap &parameters);

    /*!
     *  @brief  Make a HTTP DELETE call.
@ -233,8 +251,7 @@ public:
     *
     *  @since  0.2.0
     */
-    [[nodiscard]]
-    inline answer_type del(const endpoint_variant &endpoint)
+    [[nodiscard]] inline answer_type del(const endpoint_variant &endpoint)
    {
        return del(endpoint, {});
    }
@ -264,14 +281,15 @@ public:
    {
        CURLWrapper::cancel_stream();
    }
+
 private:
-    Instance &_instance;
+    const Instance &_instance;
    const string_view _baseuri;

-    [[nodiscard]]
-    string endpoint_to_uri(const endpoint_variant &endpoint) const;
+    [[nodiscard]] string
+    endpoint_to_uri(const endpoint_variant &endpoint) const;
 };

 } // namespace mastodonpp

-#endif  // MASTODONPP_CONNECTION_HPP
+#endif // MASTODONPP_CONNECTION_HPP
--- a/include/curl_wrapper.hpp
+++ b/include/curl_wrapper.hpp
@ -17,28 +17,19 @@
 #ifndef MASTODONPP_CURL_WRAPPER_HPP
 #define MASTODONPP_CURL_WRAPPER_HPP

-#include "answer.hpp"
-
 #include "curl/curl.h"
+#include "types.hpp"

-#include <map>
 #include <mutex>
 #include <string>
 #include <string_view>
-#include <utility>
-#include <variant>
-#include <vector>

 namespace mastodonpp
 {

-using std::map;
 using std::mutex;
 using std::string;
 using std::string_view;
-using std::pair;
-using std::variant;
-using std::vector;

 /*!
 *  @brief  The HTTP method.
@ -47,43 +38,13 @@ using std::vector;
 */
 enum class http_method
 {
-    GET,
-    POST,
-    PATCH,
-    PUT,
-    DELETE
+    GET,   // NOLINT(readability-identifier-naming)
+    POST,  // NOLINT(readability-identifier-naming)
+    PATCH, // NOLINT(readability-identifier-naming)
+    PUT,   // NOLINT(readability-identifier-naming)
+    DELETE // NOLINT(readability-identifier-naming)
 };

-/*!
- *  @brief  `std::map` of parameters for %API calls.
- *
- *  Note that arrays always have to be specified as vectors, even if they have
- *  only 1 element. To send a file, use “<tt>\@file:</tt>” followed by the file
- *  name as value.
- *
- *  Example:
- *  @code
- *  parametermap parameters
- *      {
- *          {"poll[expires_in]", "86400"},
- *          {"poll[options]", vector<string_view>{"Yes", "No", "Maybe"}},
- *          {"status", "How is the weather?"}
- *      };
- *  @endcode
- *
- *  @since  0.1.0
- */
-using parametermap =
-    map<string_view, variant<string_view, vector<string_view>>>;
-
-/*!
- *  @brief  A single parameter of a parametermap.
- *
- *  @since  0.1.0
- */
-using parameterpair =
-    pair<string_view, variant<string_view, vector<string_view>>>;
-
 /*!
 *  @brief  Handles the details of network connections.
 *
@ -108,8 +69,12 @@ public:
     */
    CURLWrapper();

-    //! Copy constructor
-    CURLWrapper(const CURLWrapper &other) = delete;
+    /*!
+     *  @brief  Copy constructor. Does the same as the Constructor.
+     *
+     *  @since  0.5.2
+     */
+    CURLWrapper(const CURLWrapper &);

    //! Move constructor
    CURLWrapper(CURLWrapper &&other) noexcept = delete;
@ -117,7 +82,7 @@ public:
    /*!
     *  @brief  Cleans up curl and connection.
     *
-     *  Calls `curl_global_cleanup`, which is not thread-safe. For more
+     *  May call `curl_global_cleanup`, which is not thread-safe. For more
     *  information consult [curl_global_cleanup(3)]
     *  (https://curl.haxx.se/libcurl/c/curl_global_cleanup.html).
     *
@ -126,10 +91,10 @@ public:
    virtual ~CURLWrapper() noexcept;

    //! Copy assignment operator
-    CURLWrapper& operator=(const CURLWrapper &other) = delete;
+    CURLWrapper &operator=(const CURLWrapper &other) = delete;

    //! Move assignment operator
-    CURLWrapper& operator=(CURLWrapper &&other) noexcept = delete;
+    CURLWrapper &operator=(CURLWrapper &&other) noexcept = delete;

    /*!
     *  @brief  Returns pointer to the CURL easy handle.
@ -146,16 +111,57 @@ public:
    }

    /*!
-     *  @brief  Set the proxy to use.
+     *  @brief  URL encodes the given string.
     *
-     *  See [CURLOPT_PROXY(3)]
-     *  (https://curl.haxx.se/libcurl/c/CURLOPT_PROXY.html).
+     *  For more information consult [curl_easy_escape(3)]
+     *  (https://curl.haxx.se/libcurl/c/curl_easy_escape.html).
     *
-     *  @param  proxy Examples: "socks4a://127.0.0.1:9050", "http://[::1]:3128".
+     *  @param  url String to escape.
     *
-     *  @since  0.1.0
+     *  @return The escaped string or {} if it failed.
+     *
+     *  @since  0.3.0
     */
-    void set_proxy(string_view proxy);
+    [[nodiscard]] inline string escape_url(const string_view url) const
+    {
+        char *cbuf{curl_easy_escape(_connection, url.data(),
+                                    static_cast<int>(url.size()))};
+        string sbuf{cbuf};
+        curl_free(cbuf);
+        return sbuf;
+    }
+
+    /*!
+     *  @brief  URL decodes the given string.
+     *
+     *  For more information consult [curl_easy_unescape(3)]
+     *  (https://curl.haxx.se/libcurl/c/curl_easy_unescape.html).
+     *
+     *  @param  url String to unescape.
+     *
+     *  @return The unescaped string or {} if it failed.
+     *
+     *  @since  0.3.0
+     */
+    [[nodiscard]] inline string unescape_url(const string_view url) const
+    {
+        char *cbuf{curl_easy_unescape(_connection, url.data(),
+                                      static_cast<int>(url.size()), nullptr)};
+        string sbuf{cbuf};
+        curl_free(cbuf);
+        return sbuf;
+    }
+
+    /*!
+     *  @brief  Set some properties of the connection.
+     *
+     *  Meant for internal use. See Instance::copy_connection_properties().
+     *
+     *  @since  0.3.0
+     */
+    void setup_connection_properties(string_view proxy,
+                                     string_view access_token,
+                                     string_view cainfo, string_view useragent);

 protected:
    /*!
@ -166,7 +172,7 @@ protected:
     *
     *  @since  0.1.0
     */
-    mutex buffer_mutex;
+    mutex _buffer_mutex;

    /*!
     *  @brief  Make a HTTP request.
@ -177,17 +183,16 @@ protected:
     *
     *  @since  0.1.0
     */
-    [[nodiscard]]
-    answer_type make_request(const http_method &method, string uri,
-                             const parametermap &parameters);
+    [[nodiscard]] answer_type make_request(const http_method &method,
+                                           string uri,
+                                           const parametermap &parameters);

    /*!
     *  @brief  Returns a reference to the buffer libcurl writes into.
     *
     *  @since  0.1.0
     */
-    [[nodiscard]]
-    string &get_buffer()
+    [[nodiscard]] inline string &get_buffer()
    {
        return _curl_buffer_body;
    }
@ -206,19 +211,52 @@ protected:
        _stream_cancelled = true;
    }

+    /*!
+     *  @brief  Set the proxy to use.
+     *
+     *  See [CURLOPT_PROXY(3)]
+     *  (https://curl.haxx.se/libcurl/c/CURLOPT_PROXY.html).
+     *
+     *  @param  proxy Examples: "socks4a://127.0.0.1:9050", "http://[::1]:3128".
+     *
+     *  @since  0.1.0
+     */
+    virtual void set_proxy(string_view proxy);
+
    /*!
     *  @brief  Set OAuth 2.0 Bearer Access Token.
     *
     *  @since  0.1.0
     */
-    void set_access_token(const string_view access_token);
+    void set_access_token(string_view access_token);
+
+    /*!
+     *  @brief  Set path to Certificate Authority (CA) bundle.
+     *
+     *  @since  0.3.0
+     */
+    virtual void set_cainfo(string_view path);
+
+    /*!
+     *  @brief  Sets the User-Agent.
+     *
+     *  @since  0.3.0
+     */
+    virtual void set_useragent(string_view useragent);

 private:
-    CURL *_connection;
-    char _curl_buffer_error[CURL_ERROR_SIZE];
+    CURL *_connection{nullptr};
+    char _curl_buffer_error[CURL_ERROR_SIZE]{'\0'};
    string _curl_buffer_headers;
    string _curl_buffer_body;
-    bool _stream_cancelled;
+    bool _stream_cancelled{false};
+
+    /*!
+     *  @brief  Initializes curl and sets up connection.
+     *
+     *  @since  0.5.2
+     */
+    void init();

    /*!
     *  @brief  libcurl write callback function.
@ -238,7 +276,7 @@ private:
    static inline size_t writer_body_wrapper(char *data, size_t sz,
                                             size_t nmemb, void *f)
    {
-        return static_cast<CURLWrapper*>(f)->writer_body(data, sz, nmemb);
+        return static_cast<CURLWrapper *>(f)->writer_body(data, sz, nmemb);
    }

    //! @copydoc writer_body
@ -248,7 +286,7 @@ private:
    static inline size_t writer_header_wrapper(char *data, size_t sz,
                                               size_t nmemb, void *f)
    {
-        return static_cast<CURLWrapper*>(f)->writer_header(data, sz, nmemb);
+        return static_cast<CURLWrapper *>(f)->writer_header(data, sz, nmemb);
    }

    /*!
@ -259,15 +297,15 @@ private:
     *  @since  0.1.0
     */
    int progress(void *clientp, curl_off_t dltotal, curl_off_t dlnow,
-                 curl_off_t ultotal, curl_off_t ulnow);
+                 curl_off_t ultotal, curl_off_t ulnow) const;

    //! @copydoc writer_body_wrapper
    static inline int progress_wrapper(void *f, void *clientp,
                                       curl_off_t dltotal, curl_off_t dlnow,
                                       curl_off_t ultotal, curl_off_t ulnow)
    {
-        return static_cast<CURLWrapper*>(f)->progress(clientp, dltotal, dlnow,
-                                                      ultotal, ulnow);
+        return static_cast<CURLWrapper *>(f)->progress(clientp, dltotal, dlnow,
+                                                       ultotal, ulnow);
    }

    /*!
@ -287,7 +325,8 @@ private:
     *
     *  @since  0.1.0
     */
-    bool replace_parameter_in_uri(string &uri, const parameterpair &parameter);
+    static bool replace_parameter_in_uri(string &uri,
+                                         const parameterpair &parameter);

    /*!
     *  @brief  Add parameters to URI.
@ -297,7 +336,8 @@ private:
     *
     *  @since  0.1.0
     */
-    void add_parameters_to_uri(string &uri, const parametermap &parameters);
+    static void add_parameters_to_uri(string &uri,
+                                      const parametermap &parameters);

    /*!
     *  @brief  Add `*curl_mimepart` to `*curl_mime`.
@ -306,10 +346,10 @@ private:
     *  @param  data Data of the field. If it begins with <tt>`\@file:<tt>, the
     *               rest of the ergument is treated as a filename.
     *
-     *  @since  0.1.1
+     *  @since  0.2.0
     */
-    void add_mime_part(curl_mime *mime,
-                       string_view name, string_view data) const;
+    static void add_mime_part(curl_mime *mime, string_view name,
+                              string_view data);

    /*!
     *  @brief  Convert parametermap to `*curl_mime`.
@ -331,4 +371,4 @@ private:

 } // namespace mastodonpp

-#endif  // MASTODONPP_CURL_WRAPPER_HPP
+#endif // MASTODONPP_CURL_WRAPPER_HPP
--- a/include/exceptions.hpp
+++ b/include/exceptions.hpp
@ -26,9 +26,9 @@
 namespace mastodonpp
 {

-using std::uint16_t;
 using std::exception;
 using std::string;
+using std::uint16_t;

 /*!
 *  @brief  Exception for libcurl errors.
@ -77,8 +77,7 @@ public:
     *
     *  @since  0.1.0
     */
-    [[nodiscard]]
-    const char *what() const noexcept override;
+    [[nodiscard]] const char *what() const noexcept override;

 private:
    const string _message;
@ -87,4 +86,4 @@ private:

 } // namespace mastodonpp

-#endif  // MASTODONPP_EXCEPTIONS_HPP
+#endif // MASTODONPP_EXCEPTIONS_HPP
--- a/include/helpers.hpp
+++ b/include/helpers.hpp
@ -0,0 +1,49 @@
+/*  This file is part of mastodonpp.
+ *  Copyright © 2020 tastytea <tastytea@tastytea.de>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as published by
+ *  the Free Software Foundation, version 3.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Affero General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Affero General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef MASTODONPP_HELPERS_HPP
+#define MASTODONPP_HELPERS_HPP
+
+#include <string>
+#include <string_view>
+
+//! @headerfile helpers.hpp mastodonpp/helpers.hpp
+
+namespace mastodonpp
+{
+
+using std::string;
+
+/*!
+ *  @brief  Replaces HTML entities with UTF-8 characters.
+ *
+ *  Supports named and numbered entities, decimal and hexadecimal.
+ *
+ *  Example:
+ *  @code
+ *  // Will output: 2€ = 2€ = 2€
+ *  std::cout << mastodonpp::unescape_html("2&euro; = 2&#8364; = 2&#x20ac;");
+ *  @endcode
+ *
+ *  @param  html The HTML to unescape.
+ *
+ *  @since  0.4.0
+ */
+[[nodiscard]] string unescape_html(string html);
+
+} // namespace mastodonpp
+
+#endif // MASTODONPP_HELPERS_HPP
--- a/include/instance.hpp
+++ b/include/instance.hpp
@ -18,23 +18,29 @@
 #define MASTODONPP_INSTANCE_HPP

 #include "curl_wrapper.hpp"
+#include "types.hpp"

 #include <cstdint>
 #include <string>
 #include <string_view>
 #include <utility>
+#include <vector>

 namespace mastodonpp
 {

-using std::uint64_t;
 using std::string;
 using std::string_view;
-using std::move;
+using std::uint64_t;
+using std::vector;

 /*!
 *  @brief  Holds the access data of an instance.
 *
+ *  Instance%s are needed to initialize Connection%s. All properties you set
+ *  here (with set_proxy(), set_useragent() and so on) are copied to every
+ *  Connection you initialize afterwards.
+ *
 *  @since  0.1.0
 *
 *  @headerfile instance.hpp mastodonpp/instance.hpp
@ -45,8 +51,6 @@ public:
    /*!
     *  @brief  Construct a new Instance object.
     *
-     *  Also queries `/api/v1/instance` for `max_toot_chars'.
-     *
     *  @param  hostname     The hostname of the instance.
     *  @param  access_token Your access token.
     *
@ -54,13 +58,47 @@ public:
     */
    explicit Instance(string_view hostname, string_view access_token);

+    /*!
+     *  @brief  Copy constructor. A new CURLWrapper is constructed.
+     *
+     *  @since  0.5.2
+     */
+    Instance(const Instance &other);
+
+    //! Move constructor
+    Instance(Instance &&other) noexcept = delete;
+
+    //! Destructor
+    ~Instance() noexcept override = default;
+
+    //! Copy assignment operator
+    Instance &operator=(const Instance &other) = delete;
+
+    //! Move assignment operator
+    Instance &operator=(Instance &&other) noexcept = delete;
+
+    /*!
+     *  @brief  Set the properties of the connection of the calling class up.
+     *
+     *  Meant for internal use. This aligns the properties of the connection of
+     *  the calling class with the properties of connection of this class.
+     *
+     *  @param  curlwrapper The CURLWrapper parent of the calling class.
+     *
+     *  @since  0.3.0
+     */
+    inline void copy_connection_properties(CURLWrapper &curlwrapper) const
+    {
+        curlwrapper.setup_connection_properties(_proxy, _access_token, _cainfo,
+                                                _useragent);
+    }
+
    /*!
     *  @brief  Returns the hostname.
     *
     *  @since  0.1.0
     */
-    [[nodiscard]]
-    inline string_view get_hostname() const
+    [[nodiscard]] inline string_view get_hostname() const noexcept
    {
        return _hostname;
    }
@ -72,8 +110,7 @@ public:
     *
     *  @since  0.1.0
     */
-    [[nodiscard]]
-    inline string_view get_baseuri() const
+    [[nodiscard]] inline string_view get_baseuri() const noexcept
    {
        return _baseuri;
    }
@ -83,8 +120,7 @@ public:
     *
     *  @since  0.1.0
     */
-    [[nodiscard]]
-    inline string_view get_access_token() const
+    [[nodiscard]] inline string_view get_access_token() const noexcept
    {
        return _access_token;
    }
@ -97,51 +133,192 @@ public:
     *
     *  @since  0.1.0
     */
-    inline void set_access_token(string access_token)
+    inline void set_access_token(const string_view access_token)
    {
-        _access_token = move(access_token);
+        _access_token = access_token;
+        CURLWrapper::set_access_token(access_token);
    }

    /*!
     *  @brief  Returns the maximum number of characters per post.
     *
+     *  Queries `/api/v1/instance` for `max_toot_chars'. If the instance doesn't
+     *  support it, the limit is assumed to be 500.
+     *
+     *  After the first call, the value is saved internally. Subsequent calls
+     *  return the saved value.
+     *
     *  @since  0.1.0
     */
-    [[nodiscard]]
-    uint64_t get_max_chars();
+    [[nodiscard]] uint64_t get_max_chars() noexcept;

    /*! @copydoc CURLWrapper::set_proxy(string_view)
     *
     *  Sets also the proxy for all Connection%s that are initialized with this
     *  Instance afterwards.
     */
-    void set_proxy(const string_view proxy)
+    void set_proxy(const string_view proxy) override
    {
        _proxy = proxy;
        CURLWrapper::set_proxy(proxy);
    }

    /*!
-     *  @brief  Returns the proxy string that was previously set.
+     *  @brief  Returns the NodeInfo of the instance.
     *
-     *  Does not return the proxy if it was set from an environment variable.
+     *  Attempts to download the [NodeInfo]
+     *  (https://nodeinfo.diaspora.software/protocol.html) of the instance and
+     *  returns it. Not every instance has it.
     *
-     *  @since  0.1.0
+     *  @since  0.3.0
     */
-    [[nodiscard]]
-    string_view get_proxy() const
+    [[nodiscard]] answer_type get_nodeinfo();
+
+    /*!
+     *  @brief  Returns the allowed mime types for statuses.
+     *
+     *  Extracts `metadata.postFormats` from NodeInfo. If none can be found,
+     *  returns `{"text/plain"}`.
+     *
+     *  After the first call, the value is saved internally. Subsequent calls
+     *  return the saved value.
+     *
+     *  @since  0.3.0
+     */
+    vector<string> get_post_formats() noexcept;
+
+    /*!
+     *  @brief  Set path to Certificate Authority (CA) bundle.
+     *
+     *  Sets also the CA info for all Connection%s that are initialized with
+     *  this Instance afterwards.
+     *
+     *  @since  0.3.0
+     */
+    void set_cainfo(string_view path) override
    {
-        return _proxy;
+        _cainfo = path;
+        CURLWrapper::set_cainfo(path);
    }

+    /*!
+     *  @brief  Sets the User-Agent.
+     *
+     *  Sets also the User-Agent for all Connection%s that are initialized with
+     *  this Instance afterwards.
+     *
+     *  @since  0.3.0
+     */
+    void set_useragent(const string_view useragent) override
+    {
+        _useragent = useragent;
+        CURLWrapper::set_useragent(useragent);
+    }
+
+    /*!
+     *  @brief  Simplifies obtaining an OAuth 2.0 Bearer Access Token.
+     *
+     *  * Create an Instance and initialize this class with it.
+     *  * Call step_1() to get the URI your user has to visit.
+     *  * Get the authorization code from your user.
+     *  * Call step_2() with the code.
+     *
+     *  Example:
+     *  @code
+     *  mastodonpp::Instance instance{"example.com", {}};
+     *  mastodonpp::Instance::ObtainToken token{instance};
+     *  auto answer{token.step1("Good program", "read:blocks read:mutes", "")};
+     *  if (answer)
+     *  {
+     *      std::cout << "Please visit " << answer << "\nand paste the code: ";
+     *      std::string code;
+     *      std::cin >> code;
+     *      answer = access_token{token.step2(code)};
+     *      if (answer)
+     *      {
+     *          std::cout << "Success!\n";
+     *      }
+     *  }
+     *  @endcode
+     *
+     *  @since  0.3.0
+     *
+     *  @headerfile instance.hpp mastodonpp/instance.hpp
+     */
+    class ObtainToken : public CURLWrapper
+    {
+    public:
+        /*!
+         *  @brief  Constructor.
+         *
+         *  @since  0.3.0
+         */
+        explicit ObtainToken(Instance &instance)
+            : _instance{instance}
+            , _baseuri{instance.get_baseuri()}
+        {
+            _instance.copy_connection_properties(*this);
+        }
+
+        /*!
+         *  @brief  Creates an application via `/api/v1/apps`.
+         *
+         *  The `body` of the returned @link answer_type answer @endlink
+         *  contains only the URI, not the whole JSON response.
+         *
+         *  Note that the required scopes may be different between Mastodon and
+         *  other implementations, like Pleroma.
+         *
+         *  @param  client_name The name of your application.
+         *  @param  scopes      Space separated list of scopes. Defaults to
+         *                      “read” if empty.
+         *  @param  website     The URI to the homepage of your application. Can
+         *                      be an empty string.
+         *
+         *  @return The URI your user has to visit.
+         *
+         *  @since  0.3.0
+         */
+        [[nodiscard]] answer_type step_1(string_view client_name,
+                                         string_view scopes,
+                                         string_view website);
+
+        /*!
+         *  @brief  Creates a token via `/oauth/token`.
+         *
+         *  The `body` of the returned @link answer_type answer @endlink
+         *  contains only the access token, not the whole JSON response.
+         *
+         *  The access token will be set in the Instance you initialized
+         *  this ObtainToken with.
+         *
+         *  @param  code The authorization code you got from the user.
+         *
+         *  @return The access token.
+         *
+         *  @since  0.3.0
+         */
+        [[nodiscard]] answer_type step_2(string_view code);
+
+    private:
+        Instance &_instance;
+        const string _baseuri;
+        string _scopes;
+        string _client_id;
+        string _client_secret;
+    };
+
 private:
    const string _hostname;
    const string _baseuri;
    string _access_token;
    uint64_t _max_chars;
    string _proxy;
+    vector<string> _post_formats;
+    string _cainfo;
+    string _useragent;
 };

 } // namespace mastodonpp

-#endif  // MASTODONPP_INSTANCE_HPP
+#endif // MASTODONPP_INSTANCE_HPP
--- a/include/mastodonpp.hpp
+++ b/include/mastodonpp.hpp
@ -17,15 +17,14 @@
 #ifndef MASTODONPP_HPP
 #define MASTODONPP_HPP

-#include "answer.hpp"
 #include "api.hpp"
 #include "connection.hpp"
 #include "exceptions.hpp"
+#include "helpers.hpp"
 #include "instance.hpp"
+#include "types.hpp"

 /*!
- *  @headerfile mastodonpp.hpp mastodonpp/mastodonpp.hpp
- *
 *  @mainpage mastodonpp Reference
 *
 *  @section using Using the library
@ -45,6 +44,9 @@
 *
 *  Or compile your code with `g++ $(pkg-config --cflags --libs mastodonpp)`.
 *
+ *  Since we use C++17 features in the headers of this library, your program
+ *  needs to be compiled as C++17 or higher too.
+ *
 *  @subsection example Example
 *
 *  @code
@ -53,7 +55,7 @@
 *
 *  int main()
 *  {
- *      mastodonpp::Instance instance{"example.com", ""};
+ *      mastodonpp::Instance instance{"example.com", {}};
 *      std::cout << "Maximum characters per post: "
 *                << instance.get_max_chars() << std::endl;
 *
@ -81,12 +83,10 @@
 *
 *  @section thread_safety Thread safety
 *
- *  The first time you construct an @link mastodonpp::Instance Instance @endlink
- *  or @link mastodonpp::Connection Connection @endlink, [curl_global_init(3)]
- *  (https://curl.haxx.se/libcurl/c/curl_global_init.html) is called. When the
- *  last @link mastodonpp::Instance Instance @endlink or @link
- *  mastodonpp::Connection Connection @endlink is destroyed,
- *  [curl_global_cleanup(3)]
+ *  The first time you construct an @link mastodonpp::Instance Instance@endlink,
+ *  [curl_global_init(3)](https://curl.haxx.se/libcurl/c/curl_global_init.html)
+ *  is called. When the last @link mastodonpp::Instance Instance @endlink is
+ *  destroyed, [curl_global_cleanup(3)]
 *  (https://curl.haxx.se/libcurl/c/curl_global_cleanup.html) is called. Both
 *  are not thread safe.
 *
@ -105,14 +105,18 @@
 *  @example example05_update_notification_settings.cpp
 *  @example example06_update_name.cpp
 *  @example example07_delete_status.cpp
+ *  @example example08_obtain_token.cpp
+ *  @example example09_nlohmann_json.cpp
 */

 /*!
 *  @brief  C++ wrapper for the Mastodon %API.
 *
 *  @since  0.1.0
+ *
+ *  @headerfile mastodonpp.hpp mastodonpp/mastodonpp.hpp
 */
 namespace mastodonpp
 {} // namespace mastodonpp

-#endif  // MASTODONPP_HPP
+#endif // MASTODONPP_HPP
--- a/include/answer.hpp
+++ b/include/answer.hpp
@ -14,28 +14,67 @@
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

-#ifndef MASTODONPP_ANSWER_HPP
-#define MASTODONPP_ANSWER_HPP
+// Types that are used in more than one file.
+
+#ifndef MASTODONPP_TYPES_HPP
+#define MASTODONPP_TYPES_HPP

 #include <cstdint>
+#include <map>
+#include <ostream>
 #include <string>
 #include <string_view>
+#include <utility>
+#include <variant>
+#include <vector>

 namespace mastodonpp
 {

-using std::uint8_t;
-using std::uint16_t;
+using std::map;
+using std::ostream;
+using std::pair;
 using std::string;
 using std::string_view;
+using std::uint16_t;
+using std::uint8_t;
+using std::variant;
+using std::vector;
+
+/*!
+ *  @brief  `std::map` of parameters for %API calls.
+ *
+ *  Note that arrays always have to be specified as vectors, even if they have
+ *  only 1 element. To send a file, use “<tt>\@file:</tt>” followed by the file
+ *  name as value.
+ *
+ *  Example:
+ *  @code
+ *  parametermap parameters
+ *      {
+ *          {"poll[expires_in]", "86400"},
+ *          {"poll[options]", vector<string_view>{"Yes", "No", "Maybe"}},
+ *          {"status", "How is the weather?"}
+ *      };
+ *  @endcode
+ *
+ *  @since  0.1.0
+ */
+using parametermap = map<string_view,
+                         variant<string_view, vector<string_view>>>;
+
+/*!
+ *  @brief  A single parameter of a parametermap.
+ *
+ *  @since  0.1.0
+ */
+using parameterpair = pair<string_view,
+                           variant<string_view, vector<string_view>>>;

 /*!
 *  @brief  Return type for Request%s.
 *
 *  @since  0.1.0
- *
- *  @headerfile answer.hpp mastodonpp/answer.hpp
- *
 */
 struct answer_type
 {
@ -46,6 +85,8 @@ struct answer_type
     *  [libcurl-errors(3)](https://curl.haxx.se/libcurl/c/libcurl-errors.html).
     *
     *  @since  0.1.0
+     *
+     *  @headerfile types.hpp mastodonpp/types.hpp
     */
    uint8_t curl_error_code{0};

@ -97,8 +138,7 @@ struct answer_type
     *
     *  @since  0.1.0
     */
-    friend std::ostream &operator <<(std::ostream &out,
-                                     const answer_type &answer);
+    friend ostream &operator<<(ostream &out, const answer_type &answer);

    /*!
     *  @brief  Returns the value of a header field.
@ -109,9 +149,45 @@ struct answer_type
     *
     *  @since  0.1.0
     */
-    string_view get_header(string_view field) const;
+    [[nodiscard]] string_view get_header(string_view field) const;
+
+    /*!
+     *  @brief  Returns the parameters needed for the next entries.
+     *
+     *  Parses the `Link` header.
+     *
+     *  @since  0.3.0
+     */
+    [[nodiscard]] inline parametermap next() const
+    {
+        return parse_pagination(true);
+    }
+
+    /*!
+     *  @brief  Returns the parameters needed for the previous entries.
+     *
+     *
+     *  Parses the `Link` header.
+     *
+     *  @since  0.3.0
+     */
+    [[nodiscard]] inline parametermap prev() const
+    {
+        return parse_pagination(false);
+    }
+
+private:
+    /*!
+     *  @brief  Returns the parameters needed for the next or previous entries.
+     *
+     *
+     *  Parses the `Link` header.
+     *
+     *  @since  0.3.0
+     */
+    [[nodiscard]] parametermap parse_pagination(bool next) const;
 };

 } // namespace mastodonpp

-#endif  // MASTODONPP_ANSWER_HPP
+#endif // MASTODONPP_TYPES_HPP
--- a/src/api.cpp
+++ b/src/api.cpp
@ -25,10 +25,9 @@ API::API(const endpoint_type &endpoint)

 // TODO: look for a better way.
 // NOLINTNEXTLINE(cert-err58-cpp)
-const map<API::endpoint_type,string_view> API::_endpoint_map
-{
+const map<API::endpoint_type, string_view> API::_endpoint_map{
    {v1::apps, "/api/v1/apps"},
-    {v1::apps_verify_credentials, "/api/v1/apps/verify/credentials"},
+    {v1::apps_verify_credentials, "/api/v1/apps/verify_credentials"},

    {v1::accounts, "/api/v1/accounts"},
    {v1::accounts_verify_credentials, "/api/v1/accounts/verify_credentials"},
@ -38,7 +37,7 @@ const map<API::endpoint_type,string_view> API::_endpoint_map
    {v1::accounts_id_followers, "/api/v1/accounts/<ID>/followers"},
    {v1::accounts_id_following, "/api/v1/accounts/<ID>/following"},
    {v1::accounts_id_lists, "/api/v1/accounts/<ID>/lists"},
-    {v1::accounts_id_identity_proofs, "/api/v1/accounts/<ID>/identity/proofs"},
+    {v1::accounts_id_identity_proofs, "/api/v1/accounts/<ID>/identity_proofs"},
    {v1::accounts_id_follow, "/api/v1/accounts/<ID>/follow"},
    {v1::accounts_id_unfollow, "/api/v1/accounts/<ID>/unfollow"},
    {v1::accounts_id_block, "/api/v1/accounts/<ID>/block"},
@ -58,23 +57,23 @@ const map<API::endpoint_type,string_view> API::_endpoint_map

    {v1::blocks, "/api/v1/blocks"},

-    {v1::domain_blocks, "/api/v1/domain/blocks"},
+    {v1::domain_blocks, "/api/v1/domain_blocks"},

    {v1::filters, "/api/v1/filters"},
    {v1::filters_id, "/api/v1/filters/<ID>"},

    {v1::reports, "/api/v1/reports"},

-    {v1::follow_requests, "/api/v1/follow/requests"},
+    {v1::follow_requests, "/api/v1/follow_requests"},
    {v1::follow_requests_id_authorize,
-     "/api/v1/follow/requests/<ID>/authorize"},
-    {v1::follow_requests_id_reject, "/api/v1/follow/requests/<ID>/reject"},
+     "/api/v1/follow_requests/<ID>/authorize"},
+    {v1::follow_requests_id_reject, "/api/v1/follow_requests/<ID>/reject"},

    {v1::endorsements, "/api/v1/endorsements"},

    {v1::featured_tags, "/api/v1/featured/tags"},
-    {v1::featured_tags_id, "/api/v1/featured/tags/<ID>"},
-    {v1::featured_tags_suggestions, "/api/v1/featured/tags/suggestions"},
+    {v1::featured_tags_id, "/api/v1/featured_tags/<ID>"},
+    {v1::featured_tags_suggestions, "/api/v1/featured_tags/suggestions"},

    {v1::preferences, "/api/v1/preferences"},

@ -84,8 +83,8 @@ const map<API::endpoint_type,string_view> API::_endpoint_map
    {v1::statuses, "/api/v1/statuses"},
    {v1::statuses_id, "/api/v1/statuses/<ID>"},
    {v1::statuses_id_context, "/api/v1/statuses/<ID>/context"},
-    {v1::statuses_id_reblogged_by, "/api/v1/statuses/<ID>/reblogged/by"},
-    {v1::statuses_id_favourited_by, "/api/v1/statuses/<ID>/favourited/by"},
+    {v1::statuses_id_reblogged_by, "/api/v1/statuses/<ID>/reblogged_by"},
+    {v1::statuses_id_favourited_by, "/api/v1/statuses/<ID>/favourited_by"},
    {v1::statuses_id_favourite, "/api/v1/statuses/<ID>/favourite"},
    {v1::statuses_id_unfavourite, "/api/v1/statuses/<ID>/unfavourite"},
    {v1::statuses_id_reblog, "/api/v1/statuses/<ID>/reblog"},
@ -103,13 +102,13 @@ const map<API::endpoint_type,string_view> API::_endpoint_map
    {v1::polls_id, "/api/v1/polls/<ID>"},
    {v1::polls_id_votes, "/api/v1/polls/<ID>/votes"},

-    {v1::scheduled_statuses, "/api/v1/scheduled/statuses"},
-    {v1::scheduled_statuses_id, "/api/v1/scheduled/statuses/<ID>"},
+    {v1::scheduled_statuses, "/api/v1/scheduled_statuses"},
+    {v1::scheduled_statuses_id, "/api/v1/scheduled_statuses/<ID>"},

    {v1::timelines_public, "/api/v1/timelines/public"},
    {v1::timelines_tag_hashtag, "/api/v1/timelines/tag/<HASHTAG>"},
    {v1::timelines_home, "/api/v1/timelines/home"},
-    {v1::timelines_list_list_id, "/api/v1/timelines/list/list/<ID>"},
+    {v1::timelines_list_list_id, "/api/v1/timelines/list/<LIST_ID>"},

    {v1::conversations, "/api/v1/conversations"},
    {v1::conversations_id, "/api/v1/conversations/<ID>"},
@ -145,12 +144,12 @@ const map<API::endpoint_type,string_view> API::_endpoint_map

    {v1::directory, "/api/v1/directory"},

-    {v1::custom_emojis, "/api/v1/custom/emojis"},
+    {v1::custom_emojis, "/api/v1/custom_emojis"},

    {v1::admin_accounts, "/api/v1/admin/accounts"},
    {v1::admin_accounts_id, "/api/v1/admin/accounts/<ID>"},
    {v1::admin_accounts_account_id_action,
-     "/api/v1/admin/accounts/account/<ID>/action"},
+     "/api/v1/admin/accounts/<ACCOUNT_ID>/action"},
    {v1::admin_accounts_id_approve, "/api/v1/admin/accounts/<ID>/approve"},
    {v1::admin_accounts_id_reject, "/api/v1/admin/accounts/<ID>/reject"},
    {v1::admin_accounts_id_enable, "/api/v1/admin/accounts/<ID>/enable"},
@ -159,13 +158,12 @@ const map<API::endpoint_type,string_view> API::_endpoint_map
    {v1::admin_reports, "/api/v1/admin/reports"},
    {v1::admin_reports_id, "/api/v1/admin/reports/<ID>"},
    {v1::admin_reports_id_assign_to_self,
-     "/api/v1/admin/reports/<ID>/assign/to/self"},
+     "/api/v1/admin/reports/<ID>/assign_to_self"},
    {v1::admin_reports_id_unassign, "/api/v1/admin/reports/<ID>/unassign"},
    {v1::admin_reports_id_resolve, "/api/v1/admin/reports/<ID>/resolve"},
    {v1::admin_reports_id_reopen, "/api/v1/admin/reports/<ID>/reopen"},

    {v1::pleroma_notifications_read, " /api/v1/pleroma/notifications/read"},
-
    {v1::pleroma_accounts_id_subscribe,
     "/api/v1/pleroma/accounts/<ID>/subscribe"},
    {v1::pleroma_accounts_id_unsubscribe,
@ -180,12 +178,19 @@ const map<API::endpoint_type,string_view> API::_endpoint_map
     "/api/v1/pleroma/accounts/update_background"},
    {v1::pleroma_accounts_confirmation_resend,
     "/api/v1/pleroma/accounts/confirmation_resend"},
-
    {v1::pleroma_mascot, "/api/v1/pleroma/mascot"},
-
    {v1::pleroma_conversations_id_statuses,
     "/api/v1/pleroma/conversations/<ID>/statuses"},
    {v1::pleroma_conversations_id, "/api/v1/pleroma/conversations/<ID>"},
+    {v1::pleroma_conversations_id_read,
+     "/api/v1/pleroma/conversations/<ID>/read"},
+    {v1::pleroma_accounts_id_scrobbles,
+     "/api/v1/pleroma/accounts/<ID>/scrobbles"},
+    {v1::pleroma_scrobble, "/api/v1/pleroma/scrobble"},
+    {v1::pleroma_statuses_id_reactions_emoji,
+     "/api/v1/pleroma/statuses/<ID>/reactions/<EMOJI>"},
+    {v1::pleroma_statuses_id_reactions,
+     "/api/v1/pleroma/statuses/<ID>/reactions"},

    {v2::search, "/api/v2/search"},

@ -199,18 +204,25 @@ const map<API::endpoint_type,string_view> API::_endpoint_map
    {pleroma::admin_users, "/api/pleroma/admin/users"},
    {pleroma::admin_users_follow, "/api/pleroma/admin/users/follow"},
    {pleroma::admin_users_unfollow, "/api/pleroma/admin/users/unfollow"},
-    {pleroma::admin_users_nickname, "/api/pleroma/admin/users/<NICKNAME>"},
+    {pleroma::admin_users_nickname_toggle_activation,
+     "/api/pleroma/admin/users/<NICKNAME>/toggle_activation"},
    {pleroma::admin_users_tag, "/api/pleroma/admin/users/tag"},
    {pleroma::admin_users_nickname_permission_group,
     "/api/pleroma/admin/users/<NICKNAME>/permission_group"},
    {pleroma::admin_users_nickname_permission_group_permission_group,
-     "/api/pleroma/admin/users/<NICKNAME>/permission_group/<PERMISSION_GROUP>"},
-    {pleroma::admin_users_nickname_activation_status,
-     "/api/pleroma/admin/users/<NICKNAME>/activation_status"},
+     "/api/pleroma/admin/users/<NICKNAME>"
+     "/permission_group/<PERMISSION_GROUP>"},
+    {pleroma::admin_users_permission_group_permission_group,
+     "/api/pleroma/admin/users/permission_group/<PERMISSION_GROUP>"},
+    {pleroma::admin_users_activate, "/api/pleroma/admin/users/activate"},
+    {pleroma::admin_users_deactivate, "/api/pleroma/admin/users/deactivate"},
    {pleroma::admin_users_nickname_or_id,
     "/api/pleroma/admin/users/<NICKNAME_OR_ID>"},
    {pleroma::admin_users_nickname_or_id_statuses,
     "/api/pleroma/admin/users/<NICKNAME_OR_ID>/statuses"},
+    {pleroma::admin_instances_instance_statuses,
+     "/api/pleroma/admin/instances/<INSTANCE>/statuses"},
+    {pleroma::admin_statuses, "/api/pleroma/admin/statuses"},
    {pleroma::admin_relay, "/api/pleroma/admin/relay"},
    {pleroma::admin_users_invite_token,
     "/api/pleroma/admin/users/invite_token"},
@ -221,27 +233,60 @@ const map<API::endpoint_type,string_view> API::_endpoint_map
     "/api/pleroma/admin/users/email_invite"},
    {pleroma::admin_users_nickname_password_reset,
     "/api/pleroma/admin/users/<NICKNAME>/password_reset"},
+    {pleroma::admin_users_nickname_update_credentials,
+     "/api/pleroma/admin/users/<NICKNAME>/update_credentials"},
+    {pleroma::admin_users_force_password_reset,
+     "/api/pleroma/admin/users/force_password_reset"},
    {pleroma::admin_reports, "/api/pleroma/admin/reports"},
+    {pleroma::admin_grouped_reports, "/api/pleroma/admin/grouped_reports"},
    {pleroma::admin_reports_id, "/api/pleroma/admin/reports/<ID>"},
+    {pleroma::admin_reports_id_notes, "/api/pleroma/admin/reports/<ID>/notes"},
+    {pleroma::admin_reports_report_id_notes_id,
+     "/api/pleroma/admin/reports/<REPORT_ID>/notes/<ID>"},
+    {pleroma::admin_statuses_id, "/api/pleroma/admin/statuses/<ID>"},
+    {pleroma::admin_restart, "/api/pleroma/admin/restart"},
+    {pleroma::admin_config, "/api/pleroma/admin/config"},
+    {pleroma::admin_config_descriptions,
+     "/api/pleroma/admin/config/descriptions"},
+    {pleroma::admin_moderation_log, "/api/pleroma/admin/moderation_log"},
+    {pleroma::admin_reload_emoji, "/api/pleroma/admin/reload_emoji"},
+    {pleroma::admin_users_confirm_email,
+     "/api/pleroma/admin/users/confirm_email"},
+    {pleroma::admin_users_resend_confirm_email,
+     "/api/pleroma/admin/users/resend_confirm_email"},
+    {pleroma::admin_stats, "/api/pleroma/admin/stats"},
+
+    {pleroma::admin_users_nickname, "/api/pleroma/admin/users/<NICKNAME>"},
+    {pleroma::admin_users_nickname_activation_status,
+     "/api/pleroma/admin/users/<NICKNAME>/activation_status"},
    {pleroma::admin_reports_id_respond,
     "/api/pleroma/admin/reports/<ID>/respond"},
-    {pleroma::admin_statuses_id, "/api/pleroma/admin/statuses/<ID>"},
    {pleroma::admin_config_migrate_to_db,
     "/api/pleroma/admin/config/migrate_to_db"},
    {pleroma::admin_config_migrate_from_db,
     "/api/pleroma/admin/config/migrate_from_db"},
-    {pleroma::admin_config, "/api/pleroma/admin/config"},

    {pleroma::emoji, "/api/pleroma/emoji"},
    {pleroma::follow_import, "/api/pleroma/follow_import"},
    {pleroma::captcha, "/api/pleroma/captcha,"},
    {pleroma::delete_account, "/api/pleroma/delete_account"},
    {pleroma::disable_account, "/api/pleroma/disable_account"},
-    {pleroma::account_register, "/api/pleroma/account/register"},
-
    {pleroma::notification_settings, "/api/pleroma/notification_settings"},
    {pleroma::healthcheck, "/api/pleroma/healthcheck"},
    {pleroma::change_email, "/api/pleroma/change_email"},
+    {pleroma::emoji_packs, "/api/pleroma/emoji/packs"},
+    {pleroma::emoji_packs_name, "/api/pleroma/emoji/packs/<NAME>"},
+    {pleroma::emoji_packs_name_update_file,
+     "/api/pleroma/emoji/packs/<NAME>/update_file"},
+    {pleroma::emoji_packs_name_update_metadata,
+     "/api/pleroma/emoji/packs/<NAME>/update_metadata"},
+    {pleroma::emoji_packs_download_from,
+     "/api/pleroma/emoji/packs/download_from"},
+    {pleroma::emoji_packs_list_from, "/api/pleroma/emoji/packs/list_from"},
+    {pleroma::emoji_packs_name_download_shared,
+     "/api/pleroma/emoji/packs/<NAME>/download_shared"},
+
+    {pleroma::account_register, "/api/pleroma/account/register"},
 };

 } // namespace mastodonpp
--- a/src/connection.cpp
+++ b/src/connection.cpp
@ -21,28 +21,12 @@ namespace mastodonpp

 using std::holds_alternative;

-Connection::Connection(Instance &instance)
-    : _instance{instance}
-    , _baseuri{instance.get_baseuri()}
-{
-    auto proxy{_instance.get_proxy()};
-    if (!proxy.empty())
-    {
-        CURLWrapper::set_proxy(proxy);
-    }
-
-    if (!_instance.get_access_token().empty())
-    {
-        CURLWrapper::set_access_token(_instance.get_access_token());
-    }
-}
-
 string Connection::endpoint_to_uri(const endpoint_variant &endpoint) const
 {
    if (holds_alternative<API::endpoint_type>(endpoint))
    {
-        return string(_baseuri)
-            += API{std::get<API::endpoint_type>(endpoint)}.to_string_view();
+        return string(_baseuri) += API{std::get<API::endpoint_type>(endpoint)}
+                                       .to_string_view();
    }
    return string(_baseuri) += std::get<string_view>(endpoint);
 }
@ -50,56 +34,57 @@ string Connection::endpoint_to_uri(const endpoint_variant &endpoint) const
 answer_type Connection::get(const endpoint_variant &endpoint,
                            const parametermap &parameters)
 {
-    return make_request(http_method::GET,
-                        endpoint_to_uri(endpoint), parameters);
+    return make_request(http_method::GET, endpoint_to_uri(endpoint),
+                        parameters);
 }

 answer_type Connection::post(const endpoint_variant &endpoint,
                             const parametermap &parameters)
 {
-    return make_request(http_method::POST,
-                        endpoint_to_uri(endpoint), parameters);
+    return make_request(http_method::POST, endpoint_to_uri(endpoint),
+                        parameters);
 }

 answer_type Connection::patch(const endpoint_variant &endpoint,
                              const parametermap &parameters)
 {
-    return make_request(http_method::PATCH,
-                        endpoint_to_uri(endpoint), parameters);
+    return make_request(http_method::PATCH, endpoint_to_uri(endpoint),
+                        parameters);
 }

 answer_type Connection::put(const endpoint_variant &endpoint,
                            const parametermap &parameters)
 {
-    return make_request(http_method::PUT,
-                        endpoint_to_uri(endpoint), parameters);
+    return make_request(http_method::PUT, endpoint_to_uri(endpoint),
+                        parameters);
 }

 answer_type Connection::del(const endpoint_variant &endpoint,
                            const parametermap &parameters)
 {
-    return make_request(http_method::DELETE,
-                        endpoint_to_uri(endpoint), parameters);
+    return make_request(http_method::DELETE, endpoint_to_uri(endpoint),
+                        parameters);
 }

 string Connection::get_new_stream_contents()
 {
-    buffer_mutex.lock();
+    _buffer_mutex.lock();
    auto &buffer{get_buffer()};
-    auto buffer_copy{buffer};
+    string buffer_copy{buffer};
    buffer.clear();
-    buffer_mutex.unlock();
+    _buffer_mutex.unlock();
    return buffer_copy;
 }

 vector<event_type> Connection::get_new_events()
 {
-    buffer_mutex.lock();
+    _buffer_mutex.lock();
    auto &buffer{get_buffer()};
    vector<event_type> events;

    size_t pos{0};
-    while ((pos = buffer.find("event: ")) != string::npos)
+    constexpr string_view search_event{"event: "};
+    while ((pos = buffer.find(search_event)) != string::npos)
    {
        const auto endpos{buffer.find("\n\n", pos)};
        if (endpos == string::npos)
@ -108,16 +93,17 @@ vector<event_type> Connection::get_new_events()
        }

        event_type event;
-        pos += 7;               // Length of "event: ".
+        pos += search_event.size();
        event.type = buffer.substr(pos, buffer.find('\n', pos) - pos);
-        pos = buffer.find("data: ") + 6;
+        constexpr string_view search_data{"data: "};
+        pos = buffer.find(search_data) + search_data.size();
        event.data = buffer.substr(pos, endpos - pos);
        events.push_back(event);

        buffer.erase(0, endpos);
    }

-    buffer_mutex.unlock();
+    _buffer_mutex.unlock();
    return events;
 }

--- a/src/curl_wrapper.cpp
+++ b/src/curl_wrapper.cpp
@ -15,6 +15,7 @@
 */

 #include "curl_wrapper.hpp"
+
 #include "exceptions.hpp"
 #include "log.hpp"
 #include "version.hpp"
@ -22,25 +23,26 @@
 #include <algorithm>
 #include <array>
 #include <atomic>
+#include <cctype>
 #include <cstdint>

 namespace mastodonpp
 {

+using std::any_of;
+using std::array; // NOLINT(misc-unused-using-decls)
+using std::atomic;
 using std::get;
 using std::holds_alternative;
-using std::any_of;
-using std::array;
-using std::atomic;
-using std::uint8_t;
+using std::toupper;
+using std::transform;
 using std::uint16_t;
+using std::uint8_t;

 // No one will ever need more than 65535 connections. 😉
 static atomic<uint16_t> curlwrapper_instances{0};

-CURLWrapper::CURLWrapper()
-    : _curl_buffer_error{}
-    , _stream_cancelled(false)
+void CURLWrapper::init()
 {
    if (curlwrapper_instances == 0)
    {
@ -52,6 +54,17 @@ CURLWrapper::CURLWrapper()
    _connection = curl_easy_init();
    setup_curl();
 }
+
+CURLWrapper::CURLWrapper()
+{
+    init();
+}
+
+CURLWrapper::CURLWrapper(const CURLWrapper &)
+{
+    init();
+}
+
 CURLWrapper::~CURLWrapper() noexcept
 {
    curl_easy_cleanup(_connection);
@ -64,16 +77,6 @@ CURLWrapper::~CURLWrapper() noexcept
    }
 }

-void CURLWrapper::set_proxy(const string_view proxy)
-{
-    // NOLINTNEXTLINE(cppcoreguidelines-pro-type-vararg)
-    CURLcode code{curl_easy_setopt(_connection, CURLOPT_PROXY, proxy.data())};
-    if (code != CURLE_OK)
-    {
-        throw CURLException{code, "Failed to set proxy", _curl_buffer_error};
-    }
-}
-
 answer_type CURLWrapper::make_request(const http_method &method, string uri,
                                      const parametermap &parameters)
 {
@ -81,15 +84,14 @@ answer_type CURLWrapper::make_request(const http_method &method, string uri,
    _curl_buffer_headers.clear();
    _curl_buffer_body.clear();

-    CURLcode code;
+    CURLcode code{CURLE_OK};
    switch (method)
    {
    case http_method::GET:
    {
-        // NOLINTNEXTLINE(cppcoreguidelines-pro-type-vararg)
-        code = curl_easy_setopt(_connection, CURLOPT_HTTPGET, 1L);
-
        add_parameters_to_uri(uri, parameters);
+        // NOLINTNEXTLINE(cppcoreguidelines-pro-type-vararg)
+        curl_easy_setopt(_connection, CURLOPT_HTTPGET, 1L);

        break;
    }
@ -98,13 +100,13 @@ answer_type CURLWrapper::make_request(const http_method &method, string uri,
        if (parameters.empty())
        {
            // NOLINTNEXTLINE(cppcoreguidelines-pro-type-vararg)
-            code = curl_easy_setopt(_connection, CURLOPT_POST, 1L);
+            curl_easy_setopt(_connection, CURLOPT_POST, 1L);
        }
        else
        {
            curl_mime *mime{parameters_to_curl_mime(uri, parameters)};
            // NOLINTNEXTLINE(cppcoreguidelines-pro-type-vararg)
-            code = curl_easy_setopt(_connection, CURLOPT_MIMEPOST, mime);
+            curl_easy_setopt(_connection, CURLOPT_MIMEPOST, mime);
        }

        break;
@ -115,11 +117,15 @@ answer_type CURLWrapper::make_request(const http_method &method, string uri,
        {
            curl_mime *mime{parameters_to_curl_mime(uri, parameters)};
            // NOLINTNEXTLINE(cppcoreguidelines-pro-type-vararg)
-            code = curl_easy_setopt(_connection, CURLOPT_MIMEPOST, mime);
+            curl_easy_setopt(_connection, CURLOPT_MIMEPOST, mime);
        }

        // NOLINTNEXTLINE(cppcoreguidelines-pro-type-vararg)
        code = curl_easy_setopt(_connection, CURLOPT_CUSTOMREQUEST, "PATCH");
+        if (code != CURLE_OK)
+        {
+            throw CURLException{code, "Failed to set URI", _curl_buffer_error};
+        }

        break;
    }
@ -129,11 +135,15 @@ answer_type CURLWrapper::make_request(const http_method &method, string uri,
        {
            curl_mime *mime{parameters_to_curl_mime(uri, parameters)};
            // NOLINTNEXTLINE(cppcoreguidelines-pro-type-vararg)
-            code = curl_easy_setopt(_connection, CURLOPT_MIMEPOST, mime);
+            curl_easy_setopt(_connection, CURLOPT_MIMEPOST, mime);
        }

        // NOLINTNEXTLINE(cppcoreguidelines-pro-type-vararg)
        code = curl_easy_setopt(_connection, CURLOPT_CUSTOMREQUEST, "PUT");
+        if (code != CURLE_OK)
+        {
+            throw CURLException{code, "Failed to set URI", _curl_buffer_error};
+        }

        break;
    }
@ -143,20 +153,19 @@ answer_type CURLWrapper::make_request(const http_method &method, string uri,
        {
            curl_mime *mime{parameters_to_curl_mime(uri, parameters)};
            // NOLINTNEXTLINE(cppcoreguidelines-pro-type-vararg)
-            code = curl_easy_setopt(_connection, CURLOPT_MIMEPOST, mime);
+            curl_easy_setopt(_connection, CURLOPT_MIMEPOST, mime);
        }

        // NOLINTNEXTLINE(cppcoreguidelines-pro-type-vararg)
        code = curl_easy_setopt(_connection, CURLOPT_CUSTOMREQUEST, "DELETE");
+        if (code != CURLE_OK)
+        {
+            throw CURLException{code, "Failed to set URI", _curl_buffer_error};
+        }

        break;
    }
    }
-    if (code != CURLE_OK)
-    {
-        throw CURLException{code, "Failed to set HTTP method",
-                _curl_buffer_error};
-    }
    debuglog << "Making request to: " << uri << '\n';

    // NOLINTNEXTLINE(cppcoreguidelines-pro-type-vararg)
@ -171,7 +180,7 @@ answer_type CURLWrapper::make_request(const http_method &method, string uri,
    if (code == CURLE_OK
        || (code == CURLE_ABORTED_BY_CALLBACK && _stream_cancelled))
    {
-        long http_status;       // NOLINT(google-runtime-int)
+        long http_status{0}; // NOLINT(google-runtime-int)
        // NOLINTNEXTLINE(cppcoreguidelines-pro-type-vararg)
        curl_easy_getinfo(_connection, CURLINFO_RESPONSE_CODE, &http_status);
        answer.http_status = static_cast<uint16_t>(http_status);
@ -191,6 +200,43 @@ answer_type CURLWrapper::make_request(const http_method &method, string uri,
    return answer;
 }

+void CURLWrapper::setup_connection_properties(const string_view proxy,
+                                              const string_view access_token,
+                                              const string_view cainfo,
+                                              const string_view useragent)
+{
+    if (!proxy.empty())
+    {
+        set_proxy(proxy);
+    }
+
+    if (!access_token.empty())
+    {
+        set_access_token(access_token);
+    }
+
+    if (!cainfo.empty())
+    {
+        set_cainfo(cainfo);
+    }
+
+    if (!useragent.empty())
+    {
+        set_useragent(useragent);
+    }
+}
+
+void CURLWrapper::set_proxy(const string_view proxy)
+{
+    // NOLINTNEXTLINE(cppcoreguidelines-pro-type-vararg)
+    CURLcode code{curl_easy_setopt(_connection, CURLOPT_PROXY, proxy.data())};
+    if (code != CURLE_OK)
+    {
+        throw CURLException{code, "Failed to set proxy", _curl_buffer_error};
+    }
+    debuglog << "Set proxy to: " << proxy << '\n';
+}
+
 void CURLWrapper::set_access_token(const string_view access_token)
 {
    // NOLINTNEXTLINE(cppcoreguidelines-pro-type-vararg, hicpp-signed-bitwise)
@ -199,11 +245,11 @@ void CURLWrapper::set_access_token(const string_view access_token)
    if (code != CURLE_OK)
    {
        throw CURLException{code, "Could not set authorization token.",
-                _curl_buffer_error};
+                            _curl_buffer_error};
    }

 #if (LIBCURL_VERSION_NUM < 0x073d00) // libcurl < 7.61.0.
-#define CURLAUTH_BEARER CURLAUTH_ANY
+#    define CURLAUTH_BEARER CURLAUTH_ANY
 #endif

    // NOLINTNEXTLINE(cppcoreguidelines-pro-type-vararg, hicpp-signed-bitwise)
@ -211,29 +257,52 @@ void CURLWrapper::set_access_token(const string_view access_token)
    if (code != CURLE_OK)
    {
        throw CURLException{code, "Could not set authorization token.",
-                _curl_buffer_error};
+                            _curl_buffer_error};
    }

    debuglog << "Set authorization token.\n";
 }

+void CURLWrapper::set_cainfo(const string_view path)
+{
+    // NOLINTNEXTLINE(cppcoreguidelines-pro-type-vararg)
+    CURLcode code{curl_easy_setopt(_connection, CURLOPT_CAINFO, path.data())};
+    if (code != CURLE_OK)
+    {
+        throw CURLException{code, "Could not set CA info.", _curl_buffer_error};
+    }
+}
+
+void CURLWrapper::set_useragent(const string_view useragent)
+{
+    CURLcode code{
+        // NOLINTNEXTLINE(cppcoreguidelines-pro-type-vararg)
+        curl_easy_setopt(_connection, CURLOPT_USERAGENT, useragent.data())};
+    if (code != CURLE_OK)
+    {
+        throw CURLException{code, "Failed to set User-Agent",
+                            _curl_buffer_error};
+    }
+    debuglog << "Set User-Agent to: " << useragent << '\n';
+}
+
 size_t CURLWrapper::writer_body(char *data, size_t size, size_t nmemb)
 {
-    if(data == nullptr)
+    if (data == nullptr)
    {
        return 0;
    }

-    buffer_mutex.lock();
+    _buffer_mutex.lock();
    _curl_buffer_body.append(data, size * nmemb);
-    buffer_mutex.unlock();
+    _buffer_mutex.unlock();

    return size * nmemb;
 }

 size_t CURLWrapper::writer_header(char *data, size_t size, size_t nmemb)
 {
-    if(data == nullptr)
+    if (data == nullptr)
    {
        return 0;
    }
@ -243,8 +312,8 @@ size_t CURLWrapper::writer_header(char *data, size_t size, size_t nmemb)
    return size * nmemb;
 }

-int CURLWrapper::progress(void *, curl_off_t , curl_off_t ,
-                          curl_off_t , curl_off_t )
+int CURLWrapper::progress(void *, curl_off_t, curl_off_t, curl_off_t,
+                          curl_off_t) const
 {
    if (_stream_cancelled)
    {
@ -281,18 +350,11 @@ void CURLWrapper::setup_curl()
    // NOLINTNEXTLINE(cppcoreguidelines-pro-type-vararg)
    curl_easy_setopt(_connection, CURLOPT_NOPROGRESS, 0L);

-    // NOLINTNEXTLINE(cppcoreguidelines-pro-type-vararg)
-    CURLcode code{curl_easy_setopt(_connection, CURLOPT_USERAGENT,
-                                   (string("mastodonpp/") += version).c_str())};
-    if (code != CURLE_OK)
-    {
-        throw CURLException{code, "Failed to set User-Agent",
-                _curl_buffer_error};
-    }
+    CURLWrapper::set_useragent((string("mastodonpp/") += version));

    // The next 2 only fail if HTTP is not supported.
    // NOLINTNEXTLINE(cppcoreguidelines-pro-type-vararg)
-    code = curl_easy_setopt(_connection, CURLOPT_FOLLOWLOCATION, 1L);
+    CURLcode code{curl_easy_setopt(_connection, CURLOPT_FOLLOWLOCATION, 1L)};
    if (code != CURLE_OK)
    {
        throw CURLException{code, "HTTP is not supported.", _curl_buffer_error};
@ -304,15 +366,28 @@ void CURLWrapper::setup_curl()
 bool CURLWrapper::replace_parameter_in_uri(string &uri,
                                           const parameterpair &parameter)
 {
-    static constexpr array replace
-        {
-            "id", "nickname", "nickname_or_id",
-            "hashtag", "permission_group"
-        };
+    static constexpr array replace{"id",
+                                   "nickname",
+                                   "nickname_or_id",
+                                   "account_id",
+                                   "list_id",
+                                   "hashtag",
+                                   "permission_group",
+                                   "instance",
+                                   "report_id",
+                                   "name",
+                                   "emoji"};
    if (any_of(replace.begin(), replace.end(),
               [&parameter](const auto &s) { return s == parameter.first; }))
    {
-        const auto pos{uri.find('<')};
+        const string searchstring{[&parameter] {
+            string s{"<"};
+            s += parameter.first;
+            transform(s.begin(), s.end(), s.begin(),
+                      [](const unsigned char c) { return toupper(c); });
+            return s;
+        }()};
+        const auto pos{uri.find(searchstring)};
        if (pos != string::npos)
        {
            uri.replace(pos, parameter.first.size() + 2,
@ -329,6 +404,7 @@ bool CURLWrapper::replace_parameter_in_uri(string &uri,
 void CURLWrapper::add_parameters_to_uri(string &uri,
                                        const parametermap &parameters)
 {
+    bool first{true};
    // Replace <ID> with the value of parameter “id” and so on.
    for (const auto &param : parameters)
    {
@ -337,7 +413,6 @@ void CURLWrapper::add_parameters_to_uri(string &uri,
            continue;
        }

-        static bool first{true};
        if (first)
        {
            uri += "?";
@ -365,8 +440,8 @@ void CURLWrapper::add_parameters_to_uri(string &uri,
    }
 }

-void CURLWrapper::add_mime_part(curl_mime *mime,
-                                string_view name, string_view data) const
+void CURLWrapper::add_mime_part(curl_mime *mime, string_view name,
+                                string_view data)
 {
    curl_mimepart *part{curl_mime_addpart(mime)};
    if (part == nullptr)
--- a/src/exceptions.cpp
+++ b/src/exceptions.cpp
@ -21,8 +21,8 @@
 namespace mastodonpp
 {

-using std::to_string;
 using std::move;
+using std::to_string;

 CURLException::CURLException(const CURLcode &error, string message)
    : error_code{error}
--- a/src/helpers.cpp
+++ b/src/helpers.cpp
@ -0,0 +1,178 @@
+/*  This file is part of mastodonpp.
+ *  Copyright © 2020 tastytea <tastytea@tastytea.de>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as published by
+ *  the Free Software Foundation, version 3.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Affero General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Affero General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "helpers.hpp"
+
+#include <codecvt>
+#include <locale>
+#include <map>
+#include <regex>
+#include <stdexcept>
+#include <string_view>
+
+namespace mastodonpp
+{
+
+using std::codecvt_utf8;
+using std::map;
+using std::move;
+using std::regex;
+using std::regex_search;
+using std::smatch;
+using std::stoul;
+using std::string_view;
+using std::wstring_convert;
+
+string unescape_html(string html)
+{
+    string buffer{move(html)};
+    string output;
+
+    // Source: https://en.wikipedia.org/wiki/List_of_XML_and_HTML_character_
+    //         entity_references#Character_entity_references_in_HTML
+    const map<string_view, char32_t>
+        names{{"exclamation", 0x0021}, {"quot", 0x0022},    {"percent", 0x0025},
+              {"amp", 0x0026},         {"apos", 0x0027},    {"add", 0x002B},
+              {"lt", 0x003C},          {"equal", 0x003D},   {"gt", 0x003E},
+              {"nbsp", 0x00A0},        {"iexcl", 0x00A1},   {"cent", 0x00A2},
+              {"pound", 0x00A3},       {"curren", 0x00A4},  {"yen", 0x00A5},
+              {"brvbar", 0x00A6},      {"sect", 0x00A7},    {"uml", 0x00A8},
+              {"copy", 0x00A9},        {"ordf", 0x00AA},    {"laquo", 0x00AB},
+              {"not", 0x00AC},         {"shy", 0x00AD},     {"reg", 0x00AE},
+              {"macr", 0x00AF},        {"deg", 0x00B0},     {"plusmn", 0x00B1},
+              {"sup2", 0x00B2},        {"sup3", 0x00B3},    {"acute", 0x00B4},
+              {"micro", 0x00B5},       {"para", 0x00B6},    {"middot", 0x00B7},
+              {"cedil", 0x00B8},       {"sup1", 0x00B9},    {"ordm", 0x00BA},
+              {"raquo", 0x00BB},       {"frac14", 0x00BC},  {"frac12", 0x00BD},
+              {"frac34", 0x00BE},      {"iquest", 0x00BF},  {"Agrave", 0x00C0},
+              {"Aacute", 0x00C1},      {"Acirc", 0x00C2},   {"Atilde", 0x00C3},
+              {"Auml", 0x00C4},        {"Aring", 0x00C5},   {"AElig", 0x00C6},
+              {"Ccedil", 0x00C7},      {"Egrave", 0x00C8},  {"Eacute", 0x00C9},
+              {"Ecirc", 0x00CA},       {"Euml", 0x00CB},    {"Igrave", 0x00CC},
+              {"Iacute", 0x00CD},      {"Icirc", 0x00CE},   {"Iuml", 0x00CF},
+              {"ETH", 0x00D0},         {"Ntilde", 0x00D1},  {"Ograve", 0x00D2},
+              {"Oacute", 0x00D3},      {"Ocirc", 0x00D4},   {"Otilde", 0x00D5},
+              {"Ouml", 0x00D6},        {"times", 0x00D7},   {"Oslash", 0x00D8},
+              {"Ugrave", 0x00D9},      {"Uacute", 0x00DA},  {"Ucirc", 0x00DB},
+              {"Uuml", 0x00DC},        {"Yacute", 0x00DD},  {"THORN", 0x00DE},
+              {"szlig", 0x00DF},       {"agrave", 0x00E0},  {"aacute", 0x00E1},
+              {"acirc", 0x00E2},       {"atilde", 0x00E3},  {"auml", 0x00E4},
+              {"aring", 0x00E5},       {"aelig", 0x00E6},   {"ccedil", 0x00E7},
+              {"egrave", 0x00E8},      {"eacute", 0x00E9},  {"ecirc", 0x00EA},
+              {"euml", 0x00EB},        {"igrave", 0x00EC},  {"iacute", 0x00ED},
+              {"icirc", 0x00EE},       {"iuml", 0x00EF},    {"eth", 0x00F0},
+              {"ntilde", 0x00F1},      {"ograve", 0x00F2},  {"oacute", 0x00F3},
+              {"ocirc", 0x00F4},       {"otilde", 0x00F5},  {"ouml", 0x00F6},
+              {"divide", 0x00F7},      {"oslash", 0x00F8},  {"ugrave", 0x00F9},
+              {"uacute", 0x00FA},      {"ucirc", 0x00FB},   {"uuml", 0x00FC},
+              {"yacute", 0x00FD},      {"thorn", 0x00FE},   {"yuml", 0x00FF},
+              {"OElig", 0x0152},       {"oelig", 0x0153},   {"Scaron", 0x0160},
+              {"scaron", 0x0161},      {"Yuml", 0x0178},    {"fnof", 0x0192},
+              {"circ", 0x02C6},        {"tilde", 0x02DC},   {"Alpha", 0x0391},
+              {"Beta", 0x0392},        {"Gamma", 0x0393},   {"Delta", 0x0394},
+              {"Epsilon", 0x0395},     {"Zeta", 0x0396},    {"Eta", 0x0397},
+              {"Theta", 0x0398},       {"Iota", 0x0399},    {"Kappa", 0x039A},
+              {"Lambda", 0x039B},      {"Mu", 0x039C},      {"Nu", 0x039D},
+              {"Xi", 0x039E},          {"Omicron", 0x039F}, {"Pi", 0x03A0},
+              {"Rho", 0x03A1},         {"Sigma", 0x03A3},   {"Tau", 0x03A4},
+              {"Upsilon", 0x03A5},     {"Phi", 0x03A6},     {"Chi", 0x03A7},
+              {"Psi", 0x03A8},         {"Omega", 0x03A9},   {"alpha", 0x03B1},
+              {"beta", 0x03B2},        {"gamma", 0x03B3},   {"delta", 0x03B4},
+              {"epsilon", 0x03B5},     {"zeta", 0x03B6},    {"eta", 0x03B7},
+              {"theta", 0x03B8},       {"iota", 0x03B9},    {"kappa", 0x03BA},
+              {"lambda", 0x03BB},      {"mu", 0x03BC},      {"nu", 0x03BD},
+              {"xi", 0x03BE},          {"omicron", 0x03BF}, {"pi", 0x03C0},
+              {"rho", 0x03C1},         {"sigmaf", 0x03C2},  {"sigma", 0x03C3},
+              {"tau", 0x03C4},         {"upsilon", 0x03C5}, {"phi", 0x03C6},
+              {"chi", 0x03C7},         {"psi", 0x03C8},     {"omega", 0x03C9},
+              {"thetasym", 0x03D1},    {"upsih", 0x03D2},   {"piv", 0x03D6},
+              {"ensp", 0x2002},        {"emsp", 0x2003},    {"thinsp", 0x2009},
+              {"zwnj", 0x200C},        {"zwj", 0x200D},     {"lrm", 0x200E},
+              {"rlm", 0x200F},         {"ndash", 0x2013},   {"mdash", 0x2014},
+              {"horbar", 0x2015},      {"lsquo", 0x2018},   {"rsquo", 0x2019},
+              {"sbquo", 0x201A},       {"ldquo", 0x201C},   {"rdquo", 0x201D},
+              {"bdquo", 0x201E},       {"dagger", 0x2020},  {"Dagger", 0x2021},
+              {"bull", 0x2022},        {"hellip", 0x2026},  {"permil", 0x2030},
+              {"prime", 0x2032},       {"Prime", 0x2033},   {"lsaquo", 0x2039},
+              {"rsaquo", 0x203A},      {"oline", 0x203E},   {"frasl", 0x2044},
+              {"euro", 0x20AC},        {"image", 0x2111},   {"weierp", 0x2118},
+              {"real", 0x211C},        {"trade", 0x2122},   {"alefsym", 0x2135},
+              {"larr", 0x2190},        {"uarr", 0x2191},    {"rarr", 0x2192},
+              {"darr", 0x2193},        {"harr", 0x2194},    {"crarr", 0x21B5},
+              {"lArr", 0x21D0},        {"uArr", 0x21D1},    {"rArr", 0x21D2},
+              {"dArr", 0x21D3},        {"hArr", 0x21D4},    {"forall", 0x2200},
+              {"part", 0x2202},        {"exist", 0x2203},   {"empty", 0x2205},
+              {"nabla", 0x2207},       {"isin", 0x2208},    {"notin", 0x2209},
+              {"ni", 0x220B},          {"prod", 0x220F},    {"sum", 0x2211},
+              {"minus", 0x2212},       {"lowast", 0x2217},  {"radic", 0x221A},
+              {"prop", 0x221D},        {"infin", 0x221E},   {"ang", 0x2220},
+              {"and", 0x2227},         {"or", 0x2228},      {"cap", 0x2229},
+              {"cup", 0x222A},         {"int", 0x222B},     {"there4", 0x2234},
+              {"sim", 0x223C},         {"cong", 0x2245},    {"asymp", 0x2248},
+              {"ne", 0x2260},          {"equiv", 0x2261},   {"le", 0x2264},
+              {"ge", 0x2265},          {"sub", 0x2282},     {"sup", 0x2283},
+              {"nsub", 0x2284},        {"sube", 0x2286},    {"supe", 0x2287},
+              {"oplus", 0x2295},       {"otimes", 0x2297},  {"perp", 0x22A5},
+              {"sdot", 0x22C5},        {"lceil", 0x2308},   {"rceil", 0x2309},
+              {"lfloor", 0x230A},      {"rfloor", 0x230B},  {"lang", 0x2329},
+              {"rang", 0x232A},        {"loz", 0x25CA},     {"spades", 0x2660},
+              {"clubs", 0x2663},       {"hearts", 0x2665},  {"diams", 0x2666}};
+
+    // Used to convert number to utf-8 char.
+    wstring_convert<codecvt_utf8<char32_t>, char32_t> u8c;
+    // Matches numbered entities between 1 and 8 digits, decimal or hexadecimal,
+    // or named entities.
+    const regex re_entity{"&(#(x)?([[:alnum:]]{1,8})"
+                          "|[^;[:space:][:punct:]]+);"};
+    smatch match;
+
+    while (regex_search(buffer, match, re_entity))
+    {
+        output += match.prefix().str();
+        try
+        {
+            // clang-format off
+            const char32_t codepoint{[&match, &names]
+            {
+                // clang-format on
+                // If it doesn't start with a '#' it is a named entity.
+                if (match[1].str()[0] != '#')
+                {
+                    return names.at(match[1].str());
+                }
+                // 'x' after '#' means the number is hexadecimal.
+                if (match[2].length() == 1)
+                {
+                    return static_cast<char32_t>(
+                        stoul(match[3].str(), nullptr, 16));
+                }
+                // '#' without 'x' means the number is decimal.
+                return static_cast<char32_t>(
+                    stoul(match[3].str(), nullptr, 10));
+            }()};
+            output += u8c.to_bytes(codepoint);
+        }
+        catch (const std::out_of_range &) // Named entity could not be found.
+        {
+            output += match.str();
+        }
+        buffer = match.suffix().str();
+    }
+    output += buffer;
+
+    return output;
+}
+} // namespace mastodonpp
--- a/src/instance.cpp
+++ b/src/instance.cpp
@ -14,64 +14,245 @@
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

-#include "answer.hpp"
 #include "instance.hpp"
+
 #include "log.hpp"

+#include <algorithm>
+#include <exception>
+#include <regex>
+
 namespace mastodonpp
 {

+using std::exception;
+using std::regex;
+using std::regex_search;
+using std::smatch;
+using std::sort;
 using std::stoull;

 Instance::Instance(const string_view hostname, const string_view access_token)
    : _hostname{hostname}
    , _baseuri{"https://" + _hostname}
-    , _access_token{access_token}
    , _max_chars{0}
-{}
+{
+    set_access_token(access_token);
+}

-uint64_t Instance::get_max_chars()
+Instance::Instance(const Instance &other)
+    : CURLWrapper{other}
+    , _hostname{other._hostname}
+    , _baseuri{other._baseuri}
+    , _access_token{other._access_token}
+    , _max_chars{other._max_chars}
+    , _proxy{other._proxy}
+    , _post_formats{other._post_formats}
+    , _cainfo{other._cainfo}
+    , _useragent{other._useragent}
+{
+    CURLWrapper::setup_connection_properties(_proxy, _access_token, _cainfo,
+                                             _useragent);
+}
+
+uint64_t Instance::get_max_chars() noexcept
 {
    constexpr uint64_t default_max_chars{500};

-    if (_max_chars == 0)
+    if (_max_chars != 0)
    {
-        try
+        return _max_chars;
+    }
+
+    try
+    {
+        debuglog << "Querying " << _hostname << " for max_toot_chars…\n";
+        const auto answer{
+            make_request(http_method::GET, _baseuri + "/api/v1/instance", {})};
+        if (!answer)
        {
-            debuglog << "Querying " << _hostname << " for max_toot_chars…\n";
-            const auto answer{make_request(http_method::GET,
-                                           _baseuri + "/api/v1/instance", {})};
-            if (!answer)
+            debuglog << "Could not get instance info.\n";
+            return default_max_chars;
+        }
+
+        // clang-format off
+        _max_chars = [&answer]
+        {
+            // clang-format on
+            const regex re_chars{R"("max_toot_chars"\s*:\s*([^"]+))"};
+            smatch match;
+
+            if (regex_search(answer.body, match, re_chars))
            {
-                debuglog << "Could not get instance info.\n";
-                return default_max_chars;
+                return static_cast<uint64_t>(stoull(match[1].str()));
            }

-            _max_chars = [&answer]
-            {
-                auto &body{answer.body};
-                size_t pos_start{body.find("max_toot_chars")};
-                if (pos_start == string::npos)
-                {
-                    debuglog << "max_toot_chars not found.\n";
-                    return default_max_chars;
-                }
-                pos_start = body.find(':', pos_start) + 1;
-                const size_t pos_end{body.find(',', pos_start)};
-
-                const auto max_toot_chars{body.substr(pos_start,
-                                                      pos_end - pos_start)};
-                return static_cast<uint64_t>(stoull(max_toot_chars));
-            }();
-            debuglog << "Set _max_chars to: " << _max_chars << '\n';
-        }
-        catch (const std::exception &e)
-        {
-            debuglog << "Unexpected exception: " << e.what() << '\n';
-        }
+            debuglog << "max_toot_chars not found.\n";
+            return default_max_chars;
+        }();
+        debuglog << "Set _max_chars to: " << _max_chars << '\n';
+    }
+    catch (const exception &e)
+    {
+        debuglog << "Unexpected exception: " << e.what() << '\n';
+        return default_max_chars;
    }

    return _max_chars;
 }

+answer_type Instance::get_nodeinfo()
+{
+    auto answer{
+        make_request(http_method::GET, _baseuri + "/.well-known/nodeinfo", {})};
+    if (!answer)
+    {
+        debuglog << "NodeInfo not found.\n";
+        return answer;
+    }
+
+    vector<string> hrefs;
+    const regex re_href{R"("href"\s*:\s*"([^"]+)\")"};
+    smatch match;
+    string body = answer.body;
+    while (regex_search(body, match, re_href))
+    {
+        hrefs.push_back(match[1].str());
+        debuglog << "Found href: " << hrefs.back() << '\n';
+        body = match.suffix();
+    }
+    sort(hrefs.begin(), hrefs.end()); // We assume they are sortable strings.
+    debuglog << "Selecting href: " << hrefs.back() << '\n';
+
+    return make_request(http_method::GET, hrefs.back(), {});
+}
+
+vector<string> Instance::get_post_formats() noexcept
+{
+    constexpr auto default_value{"text/plain"};
+
+    if (!_post_formats.empty())
+    {
+        return _post_formats;
+    }
+
+    try
+    {
+        debuglog << "Querying " << _hostname << " for postFormats…\n";
+        const auto answer{get_nodeinfo()};
+        if (!answer)
+        {
+            debuglog << "Couldn't get NodeInfo.\n";
+            _post_formats = {default_value};
+            return _post_formats;
+        }
+
+        const regex re_allformats(R"("postFormats"\s*:\s*\[([^\]]+)\])");
+        smatch match;
+        if (!regex_search(answer.body, match, re_allformats))
+        {
+            debuglog << "Couldn't find metadata.postFormats.\n";
+            _post_formats = {default_value};
+            return _post_formats;
+        }
+        string allformats{match[1].str()};
+        debuglog << "Found postFormats: " << allformats << '\n';
+
+        const regex re_format(R"(\s*"([^"]+)\"\s*,?)");
+
+        while (regex_search(allformats, match, re_format))
+        {
+            _post_formats.push_back(match[1].str());
+            allformats = match.suffix();
+            debuglog << "Found postFormat: " << _post_formats.back() << '\n';
+        }
+    }
+    catch (const std::exception &e)
+    {
+        debuglog << "Unexpected exception: " << e.what() << '\n';
+        return {default_value};
+    }
+
+    return _post_formats;
+}
+
+answer_type Instance::ObtainToken::step_1(const string_view client_name,
+                                          const string_view scopes,
+                                          const string_view website)
+{
+    parametermap parameters{{"client_name", client_name},
+                            {"redirect_uris", "urn:ietf:wg:oauth:2.0:oob"}};
+    if (!scopes.empty())
+    {
+        _scopes = scopes;
+        parameters.insert({"scopes", scopes});
+    }
+    if (!website.empty())
+    {
+        parameters.insert({"website", website});
+    }
+
+    auto answer{
+        make_request(http_method::POST, _baseuri + "/api/v1/apps", parameters)};
+    if (answer)
+    {
+        const regex re_id{R"("client_id"\s*:\s*"([^"]+)\")"};
+        const regex re_secret{R"("client_secret"\s*:\s*"([^"]+)\")"};
+        smatch match;
+
+        if (regex_search(answer.body, match, re_id))
+        {
+            _client_id = match[1].str();
+        }
+        if (regex_search(answer.body, match, re_secret))
+        {
+            _client_secret = match[1].str();
+        }
+
+        string uri{_baseuri + "/oauth/authorize?scope=" + escape_url(scopes)
+                   + "&response_type=code"
+                     "&redirect_uri="
+                   + escape_url("urn:ietf:wg:oauth:2.0:oob")
+                   + "&client_id=" + _client_id};
+        if (!website.empty())
+        {
+            uri += "&website=" + escape_url(website);
+        }
+        answer.body = uri;
+        debuglog << "Built URI.";
+    }
+
+    return answer;
+}
+
+answer_type Instance::ObtainToken::step_2(const string_view code)
+{
+    parametermap parameters{{"client_id", _client_id},
+                            {"client_secret", _client_secret},
+                            {"redirect_uri", "urn:ietf:wg:oauth:2.0:oob"},
+                            {"code", code},
+                            {"grant_type", "authorization_code"}};
+    if (!_scopes.empty())
+    {
+        parameters.insert({"scope", _scopes});
+    }
+
+    auto answer{
+        make_request(http_method::POST, _baseuri + "/oauth/token", parameters)};
+    if (answer)
+    {
+        const regex re_token{R"("access_token"\s*:\s*"([^"]+)\")"};
+        smatch match;
+
+        if (regex_search(answer.body, match, re_token))
+        {
+            answer.body = match[1].str();
+            debuglog << "Got access token.\n";
+            _instance.set_access_token(answer.body);
+        }
+    }
+
+    return answer;
+}
+
 } // namespace mastodonpp
--- a/src/log.hpp
+++ b/src/log.hpp
@ -23,13 +23,13 @@
 namespace mastodonpp
 {

-using std::cerr;
+using std::cerr; // NOLINT(misc-unused-using-decls)
 using std::string_view;

 //! @private
 constexpr auto shorten_filename(const string_view &filename)
 {
-    for (const string_view &dir : {"/src/", "/include/"})
+    for (const string_view dir : {"/src/", "/include/"})
    {
        const auto pos{filename.rfind(dir)};
        if (pos != string_view::npos)
@ -40,15 +40,18 @@ constexpr auto shorten_filename(const string_view &filename)
    return filename;
 }

-#define commonlog cerr << '[' << shorten_filename(__FILE__) \
-                       << ':' << __LINE__ << ']'
+// NOLINTNEXTLINE(cppcoreguidelines-macro-usage)
+#define commonlog \
+    cerr << '[' << shorten_filename(__FILE__) << ':' << __LINE__ << ']'
 #ifndef NDEBUG
-#define debuglog commonlog << " DEBUG: "
+// NOLINTNEXTLINE(cppcoreguidelines-macro-usage)
+#    define debuglog commonlog << " DEBUG: "
 #else
-    #define debuglog false && cerr
+#    define debuglog false && cerr
 #endif
+// NOLINTNEXTLINE(cppcoreguidelines-macro-usage)
 #define errorlog commonlog << " ERROR: "

 } // namespace mastodonpp

-#endif  // MASTODONPP_LOG_HPP
+#endif // MASTODONPP_LOG_HPP
--- a/src/answer.cpp
+++ b/src/answer.cpp
@ -1,5 +1,5 @@
 /*  This file is part of mastodonpp.
- *  Copyright © 2020 tastytea <tastytea@tastytea.de>
+ *  Copyright © 2020, 2021 tastytea <tastytea@tastytea.de>
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Affero General Public License as published by
@ -14,7 +14,9 @@
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

-#include "answer.hpp"
+#include "types.hpp"
+
+#include "log.hpp"

 #include <algorithm>
 #include <cctype>
@ -35,7 +37,7 @@ answer_type::operator string_view() const
    return body;
 }

-std::ostream &operator <<(std::ostream &out, const answer_type &answer)
+std::ostream &operator<<(std::ostream &out, const answer_type &answer)
 {
    out << answer.body;
    return out;
@ -44,10 +46,11 @@ std::ostream &operator <<(std::ostream &out, const answer_type &answer)
 string_view answer_type::get_header(const string_view field) const
 {
    const string_view searchstring{string(field) += ':'};
-    auto it{search(headers.begin(), headers.end(),
-                   searchstring.begin(), searchstring.end(),
-                   [](unsigned char a, unsigned char b)
+    // clang-format off
+    auto it{search(headers.begin(), headers.end(), searchstring.begin(),
+                   searchstring.end(), [](unsigned char a, unsigned char b)
                   { return tolower(a) == tolower(b); })};
+    // clang-format on

    if (it != headers.end())
    {
@ -60,4 +63,40 @@ string_view answer_type::get_header(const string_view field) const
    return {};
 }

+parametermap answer_type::parse_pagination(const bool next) const
+{
+    const string_view link{get_header("Link")};
+    if (link.empty())
+    {
+        return {};
+    }
+
+    const string_view direction{next ? R"(rel="next")" : R"(rel="prev")"};
+    auto endpos{link.find(direction)};
+    endpos = link.rfind('>', endpos);
+    auto startpos{link.rfind('?', endpos) + 1};
+    const string_view paramstr{link.substr(startpos, endpos - startpos)};
+    debuglog << "Found parameters in Link header: " << paramstr << '\n';
+
+    startpos = 0;
+    parametermap parameters;
+    while ((endpos = paramstr.find('=', startpos)) != string_view::npos)
+    {
+        parameterpair param;
+        param.first = paramstr.substr(startpos, endpos - startpos);
+        startpos = endpos + 1;
+        endpos = paramstr.find('&', startpos);
+        param.second = paramstr.substr(startpos, endpos - startpos);
+        parameters.insert(param);
+
+        if (endpos == string_view::npos)
+        {
+            break;
+        }
+        startpos = endpos + 1;
+    }
+
+    return parameters;
+}
+
 } // namespace mastodonpp
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@ -3,11 +3,16 @@ include(CTest)
 file(GLOB sources_tests test_*.cpp)

 find_package(Catch2 CONFIG)
-if(Catch2_FOUND)                # Catch 2.x
+if(Catch2_FOUND)                # Catch 2.x / 3.x
  include(Catch)
  add_executable(all_tests main.cpp ${sources_tests})
-  target_link_libraries(all_tests
-    PRIVATE Catch2::Catch2 ${PROJECT_NAME})
+  if(TARGET Catch2::Catch2WithMain) # Catch 3.x
+    target_link_libraries(all_tests
+      PRIVATE Catch2::Catch2WithMain ${PROJECT_NAME})
+  else()                        # Catch 2.x
+    target_link_libraries(all_tests
+      PRIVATE Catch2::Catch2 ${PROJECT_NAME})
+  endif()
  target_include_directories(all_tests PRIVATE "/usr/include/catch2")
  catch_discover_tests(all_tests EXTRA_ARGS "${EXTRA_TEST_ARGS}")
 else()                          # Catch 1.x
--- a/tests/main.cpp
+++ b/tests/main.cpp
@ -1,5 +1,5 @@
 /*  This file is part of mastodonpp.
- *  Copyright © 2020 tastytea <tastytea@tastytea.de>
+ *  Copyright © 2020, 2022 tastytea <tastytea@tastytea.de>
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Affero General Public License as published by
@ -16,4 +16,9 @@

 #define CATCH_CONFIG_MAIN

-#include <catch.hpp>
+// catch 3 does not have catch.hpp anymore
+#if __has_include(<catch.hpp>)
+#    include <catch.hpp>
+#else
+#    include <catch_all.hpp>
+#endif
--- a/tests/test_connection.cpp
+++ b/tests/test_connection.cpp
@ -1,5 +1,5 @@
 /*  This file is part of mastodonpp.
- *  Copyright © 2020 tastytea <tastytea@tastytea.de>
+ *  Copyright © 2020, 2022 tastytea <tastytea@tastytea.de>
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Affero General Public License as published by
@ -14,22 +14,26 @@
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

-#include "instance.hpp"
 #include "connection.hpp"
+#include "instance.hpp"

-#include <catch.hpp>
+// catch 3 does not have catch.hpp anymore
+#if __has_include(<catch.hpp>)
+#    include <catch.hpp>
+#else
+#    include <catch_all.hpp>
+#endif

 #include <exception>

 namespace mastodonpp
 {

-
-SCENARIO ("mastodonpp::Connection.")
+SCENARIO("mastodonpp::Connection.")
 {
    bool exception = false;

-    WHEN ("Connection is instantiated.")
+    WHEN("Connection is instantiated.")
    {
        try
        {
@ -41,7 +45,7 @@ SCENARIO ("mastodonpp::Connection.")
            exception = true;
        }

-        THEN ("No exception is thrown")
+        THEN("No exception is thrown")
        {
            REQUIRE_FALSE(exception);
        }
--- a/tests/test_html_unescape.cpp
+++ b/tests/test_html_unescape.cpp
@ -0,0 +1,59 @@
+/*  This file is part of mastodonpp.
+ *  Copyright © 2020, 2022 tastytea <tastytea@tastytea.de>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as published by
+ *  the Free Software Foundation, version 3.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Affero General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Affero General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "helpers.hpp"
+
+// catch 3 does not have catch.hpp anymore
+#if __has_include(<catch.hpp>)
+#    include <catch.hpp>
+#else
+#    include <catch_all.hpp>
+#endif
+
+#include <exception>
+#include <string>
+
+namespace mastodonpp
+{
+
+using std::string;
+
+SCENARIO("mastodonpp::html_unescape()")
+{
+    bool exception = false;
+
+    WHEN("html_unescape() is called.")
+    {
+        string result;
+        try
+        {
+            result = unescape_html("2&euro; = 2&#8364; = 2&#x20ac;");
+        }
+        catch (const std::exception &e)
+        {
+            exception = true;
+        }
+
+        THEN("No exception is thrown")
+        AND_THEN("Result is as expected.")
+        {
+            REQUIRE_FALSE(exception);
+            REQUIRE(result == "2€ = 2€ = 2€");
+        }
+    }
+}
+
+} // namespace mastodonpp
--- a/tests/test_instance.cpp
+++ b/tests/test_instance.cpp
@ -1,5 +1,5 @@
 /*  This file is part of mastodonpp.
- *  Copyright © 2020 tastytea <tastytea@tastytea.de>
+ *  Copyright © 2020, 2022 tastytea <tastytea@tastytea.de>
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Affero General Public License as published by
@ -16,7 +16,12 @@

 #include "instance.hpp"

-#include <catch.hpp>
+// catch 3 does not have catch.hpp anymore
+#if __has_include(<catch.hpp>)
+#    include <catch.hpp>
+#else
+#    include <catch_all.hpp>
+#endif

 #include <exception>
 #include <string>
@ -26,11 +31,11 @@ namespace mastodonpp

 using std::string;

-SCENARIO ("mastopp::Instance")
+SCENARIO("mastopp::Instance")
 {
    bool exception = false;

-    WHEN ("Instance is instantiated.")
+    WHEN("Instance is instantiated.")
    {
        try
        {
@ -41,13 +46,13 @@ SCENARIO ("mastopp::Instance")
            exception = true;
        }

-        THEN ("No exception is thrown")
+        THEN("No exception is thrown")
        {
            REQUIRE_FALSE(exception);
        }
    }

-    WHEN ("Variables are set.")
+    WHEN("Variables are set.")
    {
        constexpr auto hostname{"likeable.space"};
        constexpr auto proxy{"socks4a://[::1]:9050"};
@ -64,14 +69,12 @@ SCENARIO ("mastopp::Instance")
            exception = true;
        }

-        THEN ("No exception is thrown")
-            AND_THEN ("get_proxy() returns the set value.")
-            AND_THEN ("get_access_token() returns the set value.")
-            AND_THEN ("get_hostname() returns the set value.")
-            AND_THEN ("get_baseuri() returns the expected value.")
+        THEN("No exception is thrown")
+        AND_THEN("get_access_token() returns the set value.")
+        AND_THEN("get_hostname() returns the set value.")
+        AND_THEN("get_baseuri() returns the expected value.")
        {
            REQUIRE_FALSE(exception);
-            REQUIRE(instance.get_proxy() == proxy);
            REQUIRE(instance.get_access_token() == access_token);
            REQUIRE(instance.get_hostname() == hostname);
            REQUIRE(instance.get_baseuri() == (string("https://") += hostname));
Author	SHA1	Message	Date
tastytea	c48f1dc3d0	add maintenance mode notice continuous-integration/drone/push Build is passing Details	2022-11-13 06:24:35 +01:00
tastytea	9a25cd9178	add Windows section to readme Reported-by: Ben S.	2022-11-13 06:19:51 +01:00
tastytea	e74828c19e	don't add -fsanitize=undefined if MinGW is used Reported-by: Ben S.	2022-11-13 06:17:34 +01:00
tastytea	7255df01e0	add support for testing with catch 3 continuous-integration/drone/push Build is passing Details	2022-08-01 14:21:06 +02:00
tastytea	7de644d841	Add repology badge. continuous-integration/drone/push Build is passing Details	2021-05-17 23:31:50 +02:00
tastytea	52a849870f	Make direction a string_view in answer_type::parse_pagination().	2021-02-08 17:28:46 +01:00
tastytea	aabcb46602	Update .clang-tidy.	2020-11-30 20:52:56 +01:00
tastytea	cca3a4a239	Update Gentoo package installation. continuous-integration/drone/push Build is passing Details	2020-11-29 05:07:04 +01:00
tastytea	5ec7a119dc	Add hyperlink to AUR. continuous-integration/drone/push Build is passing Details	2020-11-27 14:46:58 +01:00
tastytea	cf4302248f	Typo in CI recipe. continuous-integration/drone/push Build is passing Details	2020-11-20 22:52:57 +01:00
tastytea	cadf0d777e	Version bump 0.5.7. Forgot to bump the version in the CMake recipe, packages couldn't be built.	2020-11-13 15:07:41 +01:00
tastytea	aeb7396961	Generate API documentation with CMake. continuous-integration/drone/push Build is passing Details	2020-11-13 14:25:22 +01:00
tastytea	f4bd5abd01	Fix some warnings. Avoid copy, initialize members in header, initialize variables.	2020-11-13 14:17:44 +01:00
tastytea	c9211e621e	Reformat examples.	2020-11-13 14:05:28 +01:00
tastytea	3a93aec941	Reformat tests.	2020-11-13 14:01:09 +01:00
tastytea	9efc8d2dfd	Reformat source files.	2020-11-13 14:00:03 +01:00
tastytea	8c7493e68e	Reformat header files.	2020-11-13 13:45:59 +01:00
tastytea	63d2497966	Update .clang-tidy, add .clang-format.	2020-11-13 13:41:13 +01:00
tastytea	4da6929392	Add note about scopes in documentation for ObtainToken::step_1(). continuous-integration/drone/push Build is passing Details	2020-11-13 13:33:24 +01:00
tastytea	24cb2d523d	ObtainToken: Change grant_type to authorization_code. continuous-integration/drone/push Build is passing Details client_credentials worked before but not anymore. 🤷	2020-11-13 13:03:49 +01:00
tastytea	41f470d2aa	Add read to scopes in obtain-token example. Without that, we cannot very our credentials. Mastodon needs read::accounts, Pleroma needs read.	2020-11-13 13:02:52 +01:00
tastytea	e563731efe	Avoid copies, fix warnings.	2020-11-13 12:01:18 +01:00
tastytea	ef11508ca1	Bump maximum CMake version to 3.16. continuous-integration/drone/push Build is passing Details	2020-05-19 19:33:34 +02:00
tastytea	c2bc1b5e7b	Only use add_compile_definitions with CMake >= 3.12.	2020-05-19 19:32:34 +02:00
tastytea	3c23f6d1a0	Version bump 0.5.5.	2020-05-19 19:26:51 +02:00
tastytea	3909187f7a	Add -DNDEBUG for non-debug builds. continuous-integration/drone/push Build is failing Details	2020-05-19 19:24:21 +02:00
tastytea	2ada3b406b	Merge branch 'develop' into main continuous-integration/drone/push Build is passing Details	2020-04-18 15:44:12 +02:00
tastytea	d20818221d	Add Support for Pleroma 2.0.2. continuous-integration/drone/push Build is passing Details Add endpoint: /api/pleroma/admin/users/:nickname/update_credentials	2020-04-18 15:25:49 +02:00
tastytea	f16e6d61e0	Remove unused using declaration.	2020-04-18 15:25:49 +02:00
tastytea	576c84aa36	Version bump 0.5.4. continuous-integration/drone/push Build is passing Details	2020-03-21 12:26:42 +01:00
tastytea	aea4b0f492	Merge branch 'develop' into main continuous-integration/drone/push Build was killed Details	2020-03-21 12:25:54 +01:00
tastytea	5bf1e9bf25	Define copy constructor for instance. continuous-integration/drone/push Build is passing Details Needed because the underlying CURLWrapper is not copied but freshly created, so access_token, proxy, cainfo and useragent have to be set.	2020-03-21 11:38:34 +01:00
tastytea	251d8a975c	Set access token in CURLWrapper too if it is set in Instance.	2020-03-21 11:26:23 +01:00
tastytea	b5144fd9ce	Ensure that the first parameter in all GET calls is prefaced with ?. continuous-integration/drone/push Build is passing Details All calls to CURLWrapper::add_parameters_to_uri() but the first used & for all parameters, because the boolean keeping track was implemented wrong.	2020-03-20 16:29:16 +01:00
tastytea	0bbc6ac4c7	Merge branch 'develop' into main continuous-integration/drone/push Build is passing Details	2020-03-20 14:48:59 +01:00
tastytea	abd7079c5a	Allow argument in constructor of Connection to be const. continuous-integration/drone/push Build is running Details	2020-03-20 14:47:44 +01:00
tastytea	ce27005e9c	Version bump 0.5.2. continuous-integration/drone/push Build is passing Details	2020-03-20 13:53:13 +01:00
tastytea	778b7c3a5f	Merge branch 'develop' into main	2020-03-20 13:52:59 +01:00
tastytea	9d37bebdc8	Add missing constructors and assignment operators continuous-integration/drone/push Build is passing Details … to Instance and Connection.	2020-03-20 13:49:30 +01:00
tastytea	fc32e8ac0a	Add copy constructor for CURLWrapper. The copy constructor does the same as the constructor. A new CURL handle is used for the “copy”.	2020-03-20 13:49:20 +01:00
tastytea	d1b3455584	Version bump 0.5.1. continuous-integration/drone/push Build is passing Details	2020-03-12 12:15:39 +01:00
tastytea	f983acb910	Merge branch 'develop' into main	2020-03-12 12:15:19 +01:00
tastytea	da1c2ba409	Handle more than one replacement in replace_parameter_in_uri(). continuous-integration/drone/push Build is passing Details	2020-03-12 12:12:31 +01:00
tastytea	00056c224e	Update parameter replacements for Pleroma 2.0.0. continuous-integration/drone/push Build is passing Details	2020-03-12 11:40:11 +01:00
tastytea	854d2f67af	Updated Pleroma endpoints to version 2.0.0. * v1:: * pleroma_conversations_id_read * pleroma_accounts_id_scrobbles * pleroma_scrobble * pleroma_statuses_id_reactions_emoji * pleroma_statuses_id_reactions * pleroma:: * admin_users_nickname_toggle_activation * admin_users_permission_group_permission_group * admin_users_activate * admin_users_deactivate * admin_instances_instance_statuses * admin_statuses * admin_users_force_password_reset * admin_grouped_reports * admin_reports_id_notes * admin_reports_report_id_notes_id * admin_restart * admin_config_descriptions * admin_moderation_log * admin_reload_emoji * admin_users_confirm_email * admin_users_resend_confirm_email * admin_stats * emoji_packs * emoji_packs_name * emoji_packs_name_update_file * emoji_packs_name_update_metadata * emoji_packs_download_from * emoji_packs_list_from * emoji_packs_name_download_shared	2020-03-12 11:38:41 +01:00
tastytea	e1a2b4e843	Merge branch 'develop' into main continuous-integration/drone/push Build is passing Details	2020-02-16 14:09:01 +01:00
tastytea	b80e40ada1	Update contribution guidelines. continuous-integration/drone/push Build is passing Details	2020-02-16 14:08:17 +01:00
tastytea	1c3efd3589	Typo: A space too much.	2020-02-12 20:22:47 +01:00
tastytea	ac07daddce	Make map of named entities into 2 columns. continuous-integration/drone/push Build is passing Details	2020-02-12 17:13:17 +01:00
tastytea	58aebfc4c0	Mark unescape_html() nodiscard. continuous-integration/drone/push Build is passing Details	2020-02-03 13:06:01 +01:00
tastytea	965780fbba	Version bump 0.5.0. continuous-integration/drone/push Build is passing Details	2020-02-02 15:26:43 +01:00
tastytea	95696ba5ca	Merge branch 'develop' into main continuous-integration/drone/push Build is passing Details	2020-02-02 15:18:31 +01:00
tastytea	3bbc24ba57	Decrease loops drastically in unescape_html(). continuous-integration/drone/push Build is passing Details	2020-02-02 15:02:19 +01:00
tastytea	af1993c71f	Add hyperlinks to git commands in contributing guidelines.	2020-02-02 15:01:50 +01:00
tastytea	fa1cbbeb91	Merge branch 'develop' into main continuous-integration/drone/push Build is passing Details	2020-01-31 03:57:55 +01:00
tastytea	185ab91978	Rename buffer_mutex → _buffer_mutex. continuous-integration/drone/push Build is passing Details	2020-01-28 08:11:56 +01:00
tastytea	cdd7a465d2	Update .clang-tidy.	2020-01-28 08:03:16 +01:00
tastytea	2bbead14e5	Add .clang-tidy.	2020-01-27 03:19:47 +01:00
tastytea	56cabf48a8	Add clang-tidy exceptions for http_method.	2020-01-27 01:09:20 +01:00
tastytea	4dc7dbb4e6	CMake: We are already in the build directory.	2020-01-27 01:08:45 +01:00
tastytea	0ccef6773b	Merge branch 'develop' into main continuous-integration/drone/push Build is passing Details	2020-01-26 23:26:36 +01:00
tastytea	deeff83410	Make some private members of CURLWrapper static. continuous-integration/drone/push Build is passing Details replace_parameter_in_uri(), add_parameters_to_uri() and add_mime_part().	2020-01-26 08:50:05 +01:00
tastytea	3876cf3f01	Add WITH_CLANG-TIDY to CMake recipe.	2020-01-26 05:20:05 +01:00
tastytea	151103a9a1	Catch JSON exceptions in nlohmann-json example.	2020-01-26 05:19:58 +01:00
tastytea	25c75a6211	Setting -DNDEBUG is redundant.	2020-01-26 05:12:00 +01:00
tastytea	b82d779119	Use brace initialization for _stream_cancelled.	2020-01-26 04:10:59 +01:00
tastytea	fe5ac46d52	Explicitly call CURLWrapper::set_useragent() in setup_curl().	2020-01-26 03:51:32 +01:00
tastytea	65ff76312b	Add nlohmann-json example. continuous-integration/drone/push Build is passing Details	2020-01-26 00:49:49 +01:00
tastytea	f0b38dae10	Make the introduction more true.	2020-01-25 20:23:52 +01:00
tastytea	28b2668426	Add Mastodon and Pleroma hyperlinks to readme.	2020-01-25 20:22:33 +01:00
tastytea	e6c2db91fd	Merge branch 'develop' into main continuous-integration/drone/push Build is passing Details	2020-01-25 03:47:05 +01:00
tastytea	02a22d773c	Make set_proxy(), set_cainfo(), set_useragent() virtual. continuous-integration/drone/push Build is passing Details	2020-01-24 22:06:47 +01:00
tastytea	bb088e6d70	Mark CURLWrapper::get_buffer() inline.	2020-01-24 21:57:15 +01:00
tastytea	ac4150a3aa	Fix decumentation for CURLWrapper destructor.	2020-01-24 21:50:51 +01:00
tastytea	8955442b0d	Setting -g for debug builds is redundant. continuous-integration/drone/push Build is passing Details	2020-01-24 21:23:48 +01:00
tastytea	c9ea49ed91	Enhance documentation for Instance and Connection. continuous-integration/drone/push Build is passing Details	2020-01-24 02:18:54 +01:00
tastytea	9523de8788	Mark buffer variables const. continuous-integration/drone/push Build is passing Details	2020-01-20 02:46:00 +01:00
tastytea	2c13f03a1c	Clarify documentation for Instance::ObtainToken::step_2().	2020-01-20 02:32:48 +01:00
tastytea	3d614afa72	Instance is not a function.	2020-01-20 02:29:01 +01:00
tastytea	60f26dc864	Report right headerfile location for Instance::ObtainToken.	2020-01-20 02:26:15 +01:00
tastytea	cbdc438ccf	80 char rule.	2020-01-19 20:52:55 +01:00
tastytea	161554e677	Allow examples to build outside mastodonpp. continuous-integration/drone/push Build is passing Details	2020-01-18 23:51:34 +01:00
tastytea	9bc3fe6fe2	Fix header location in readme example.	2020-01-18 23:38:11 +01:00
tastytea	e40848fb1e	typo. continuous-integration/drone/push Build is passing Details	2020-01-18 23:32:51 +01:00
tastytea	e650e4c787	Merge branch 'develop' into main continuous-integration/drone/push Build was killed Details	2020-01-18 23:25:08 +01:00
tastytea	c56d8115e4	Mention “make package” in readme. continuous-integration/drone/push Build is passing Details	2020-01-18 23:24:15 +01:00
tastytea	8e5e0435b6	Update feature list. continuous-integration/drone/push Build is passing Details	2020-01-18 18:09:58 +01:00
tastytea	837524661c	Indentation fix.	2020-01-18 18:09:49 +01:00
tastytea	5d78051161	Merge branch 'develop' into main continuous-integration/drone/push Build is passing Details	2020-01-17 17:32:13 +01:00
tastytea	c75aefbe2a	Fix header names in documentation. continuous-integration/drone/push Build was killed Details	2020-01-17 17:30:31 +01:00
tastytea	393c179c00	Make main page of reference more precise.	2020-01-17 17:30:31 +01:00
tastytea	d8582f33c1	Mention the dependency on C++17. continuous-integration/drone/push Build was killed Details	2020-01-17 17:29:44 +01:00
tastytea	dc706ab41f	Fix clang URI. continuous-integration/drone/push Build is passing Details	2020-01-16 23:50:09 +01:00
tastytea	be71510316	Version bump 0.4.0. continuous-integration/drone/push Build is passing Details	2020-01-16 18:25:32 +01:00
tastytea	9d44f30f8e	Merge branch 'develop' into main continuous-integration/drone/push Build is passing Details	2020-01-16 18:21:07 +01:00
tastytea	c01ba95f5a	Remove useless else.	2020-01-16 18:20:37 +01:00
tastytea	bdd328ac91	Remove useless const.	2020-01-16 18:19:47 +01:00
tastytea	5e612210ef	Log proxy changes when debugging. continuous-integration/drone/push Build is passing Details	2020-01-16 18:17:29 +01:00
tastytea	18c0b41a20	Add test for unescape_html().	2020-01-16 18:16:02 +01:00
tastytea	8cfba1f16b	Add example to unescape_html() documentation.	2020-01-16 18:06:14 +01:00
tastytea	cf2ff119b4	Revert "Add -fsanitize=address to debug flags." This reverts commit `fad9f87391`. Output was unusable.	2020-01-16 18:05:22 +01:00
tastytea	343fe2adca	Add unescape_html(). continuous-integration/drone/push Build is passing Details	2020-01-15 19:09:43 +01:00
tastytea	fad9f87391	Add -fsanitize=address to debug flags. continuous-integration/drone/push Build is passing Details	2020-01-15 14:25:36 +01:00
tastytea	11608abed8	Merge branch 'develop' into main continuous-integration/drone/push Build is passing Details	2020-01-14 23:50:05 +01:00
tastytea	7ac55d6868	Update tested dpkg version. continuous-integration/drone/push Build is passing Details	2020-01-14 23:49:15 +01:00
tastytea	99f00e331a	Silence false-positive clang-tidy warning, continuous-integration/drone/push Build was killed Details and one I can't do anything about.	2020-01-14 23:46:42 +01:00
tastytea	0596406113	Silence false positive clang-tidy warnings in log.hpp.	2020-01-14 23:45:39 +01:00
tastytea	a237d74a81	Use bracket initialization in example code.	2020-01-14 23:34:50 +01:00
tastytea	9ccd724693	Mark parse_pagination() nodiscard.	2020-01-14 23:32:04 +01:00
tastytea	be42f30631	Removed superfluous const from parameter for readability.	2020-01-14 23:31:39 +01:00
tastytea	7afc8d19a9	Add documentation for set_useragent(). continuous-integration/drone/push Build is passing Details	2020-01-14 23:28:20 +01:00
tastytea	968863301a	Mark ObtainToken constructor explicit.	2020-01-14 23:27:30 +01:00
tastytea	df51d4fdcc	Change website in example08 to example.com.	2020-01-14 23:22:50 +01:00
tastytea	31df2a703d	Use localhost-IP for proxy in example.	2020-01-14 23:13:09 +01:00
tastytea	7c81f5f4cc	Version bump 0.3.0. continuous-integration/drone/push Build is passing Details	2020-01-14 22:54:06 +01:00
tastytea	f2594d2c46	Merge branch 'develop' into main	2020-01-14 22:53:44 +01:00
tastytea	59a9747c06	Add account_id and list_id to list of parameters to replace in URIs. continuous-integration/drone/push Build is passing Details	2020-01-14 22:50:14 +01:00
tastytea	0d8caf93e2	Fixed endpoint translations.	2020-01-14 22:47:23 +01:00
tastytea	c192f352f0	Extract post formats via regex. continuous-integration/drone/push Build is passing Details	2020-01-14 22:28:14 +01:00
tastytea	bd7952e901	Fixed the minimum libcurl version for rpms.	2020-01-14 22:21:09 +01:00
tastytea	0d8b2e8490	Use regex to extract NodeInfo addresses.	2020-01-14 21:53:42 +01:00
tastytea	223db7b255	Use regex to extract max_toot_chars.	2020-01-14 21:03:04 +01:00
tastytea	aafb55e7eb	Tick boxes in readme. continuous-integration/drone/push Build is passing Details	2020-01-14 20:44:58 +01:00
tastytea	a8e342202d	Move types into types.hpp and add answer_type::next() and prev().	2020-01-14 20:44:08 +01:00
tastytea	bd490e788c	Remove test for Instance::get_proxy(). continuous-integration/drone/push Build is passing Details	2020-01-12 17:54:40 +01:00
tastytea	c049af3212	Merge branch 'develop' into main	2020-01-12 17:41:36 +01:00
tastytea	9ae50917dd	Remove Instance::get_proxy() and Instance::get_cainfo(). continuous-integration/drone/push Build is failing Details We can't get the values that were set using environment variables or build-time options. We don't need them anymore for initializing “Connection”s.	2020-01-12 17:39:39 +01:00
tastytea	1b4ad05acb	Add set_useragent().	2020-01-12 17:37:06 +01:00
tastytea	04526f37cc	Make argument of CURLWrapper::set_cafile() const.	2020-01-12 17:27:40 +01:00
tastytea	975fe57677	Simplify connection setup. By adding CURLWrapper::setup_connection_properties.	2020-01-12 17:24:02 +01:00
tastytea	b4428ed823	Mark CURLWrapper::escape_url() and unescape_url() nodiscard.	2020-01-12 17:01:09 +01:00
tastytea	78ef177e58	Hide CURLWrapper::set_proxy().	2020-01-12 17:00:49 +01:00
tastytea	b192bc70c7	Fix @since-tags that point to nonexisting versions. continuous-integration/drone/push Build is passing Details	2020-01-12 16:30:20 +01:00
tastytea	7af01ffb17	Add ObtainToken-example. continuous-integration/drone/push Build is passing Details	2020-01-12 16:28:11 +01:00
tastytea	02b0b05aa1	Add Instance::ObtainToken.	2020-01-12 16:28:04 +01:00
tastytea	deeffc5adf	Bugfix in endpoint translation.	2020-01-12 16:06:44 +01:00
tastytea	79c5087ca5	Marked some functions noexcept. continuous-integration/drone/push Build is failing Details	2020-01-12 15:28:26 +01:00
tastytea	7fc19639b1	Add missing header.	2020-01-12 15:25:04 +01:00
tastytea	20410ece28	Removed excess comma.	2020-01-12 15:24:05 +01:00
tastytea	e669c65d2e	Merge branch 'develop' into main continuous-integration/drone/push Build is passing Details	2020-01-12 13:38:44 +01:00
tastytea	97eb269865	Add Instance::set_cainfo().	2020-01-12 13:37:53 +01:00
tastytea	cd31af94a6	Bugfix in endpoint translation.	2020-01-12 11:45:15 +01:00
tastytea	b2f370a727	Add escape_url() and unescape_url() to CURLWrapper.	2020-01-12 01:04:23 +01:00
tastytea	fd5275f4a3	Return default max chars on exception in get_max_chars().	2020-01-11 23:04:40 +01:00
tastytea	1a99e8a276	Made code in Connection::get_new_events() clearer.	2020-01-11 22:16:37 +01:00
tastytea	a6b328c2d1	Add Instance::get_post_formats(). continuous-integration/drone/push Build is passing Details	2020-01-11 20:05:11 +01:00
tastytea	b9bf28c264	Add Instance::get_nodeinfo().	2020-01-11 19:51:16 +01:00
tastytea	acd6da37f2	Add set_proxy() to readme example.	2020-01-11 18:16:38 +01:00
tastytea	40d985f9af	Add missing header.	2020-01-11 18:13:15 +01:00
tastytea	597cf41668	Don't check errors if it can't fail. continuous-integration/drone/push Build is passing Details	2020-01-11 18:08:33 +01:00
tastytea	d749e3aa23	Improve documentation for get_max_chars().	2020-01-11 17:59:14 +01:00