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C++ wrapper for the Mastodon API.
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tastytea 4b7215036b
Recommend switching to mastodonpp. 		1 year ago
cmake Build packages for Debian stretch and buster. 1 year ago
examples Add Emoji example. 1 year ago
pkg-config Removed and replaced last bits of curlpp. 1 year ago
src Deprecated return_entity(_vector) and some high-level abstractions. 1 year ago
tests Added /api/v1/conversations. 1 year ago
.drone.yml Add package for Ubuntu bionic. 1 year ago
.editorconfig Different indentation for CMake files. 1 year ago
.gitignore Updated .gitignore, deleted build.sh. 1 year ago
CMakeLists.txt Add package for Ubuntu bionic. 1 year ago
CODE_OF_CONDUCT.adoc Fix contact-variable in COC. 1 year ago
CONTRIBUTING.adoc Make more use of variables in contribution guidelines. 1 year ago
Doxyfile Replaced README.md in build files. 1 year ago
ISSUE_TEMPLATE.md reduced issue template 2 years ago
LICENSE Changed license to AGPL3. 1 year ago
README.adoc Recommend switching to mastodonpp. 1 year ago
build_doc.sh Parameter support, added documentation. 3 years ago

README.adoc

mastodon-cpp

Important
 This project has become too complicated to maintain by myself and I can’t find the energy to add features. You can find a complete rewrite, with cleaner and much easier to understand code at mastodonpp. I recommend switching to it. You can still report bugs here and I will respond, but I won’t put too much work in it. If you want to take over maintainership, get in touch.

mastodon-cpp is a C++ wrapper for the Mastodon API. You submit an API call and get the raw JSON that you can then transform into easy to use abstractions.

Table of Contents

Usage

The HTML reference can be generated with build_doc.sh, if doxygen is installed. It is also available at doc.schlomp.space/mastodon-cpp/. There are more examples in examples/.

Examples

Example 1. Print own account as JSON to stdout.
#include <iostream>
#include <mastodon-cpp/mastodon-cpp.hpp>

int main()
{
    Mastodon::API masto("social.example.com", "auth_token");
    std::cout << masto.get(Mastodon::API::v1::accounts_verify_credentials);
    std::cout << std::endl;
}
Example 2. Use the Easy interface to get the last posts from the federated timeline.
#include <iostream>
#include <string>
#include <mastodon-cpp/mastodon-cpp.hpp>
#include <mastodon-cpp/easy/all.hpp>

using Mastodon;

int main()
{
    Easy::API masto("social.example", "");
    return_call ret = masto.get(API::v1::timelines_public);

    for (const std::string &str : Easy::json_array_to_vector(ret.answer))
    {
        Easy::Status status(str);
        std::cout << "  " << status.account().acct() << " wrote:\n";
        std::cout << status.content() << '\n';
    }
}

Compiling your project

A project consisting of one file can be compiled as follows:

g++ --std=c++14 -lmastodon-cpp example.cpp

List of types

Learn more at https://doc.schlomp.space/mastodon-cpp/namespaceMastodon.html and https://doc.schlomp.space/mastodon-cpp/namespaceMastodon_1_1Easy.html.

Not included in this list are entities.

Return types

  • Mastodon::return_call: Contains the response from Mastodon::API calls.

Other types

  • Mastodon::parameters: Vector of Mastodon::param with custom find(), for specifying parameters to an Mastodon::API call.

  • Mastodon::http_method: HTTP method of an Mastodon::API call.

  • Mastodon::Easy::event_type: Event types returned in streams.

  • Mastodon::Easy::visibility_type: Describes the visibility of a post.

  • Mastodon::Easy::attachment_type: Describes the type of attachment.

  • Mastodon::Easy::card_type: Describes the type of card.

  • Mastodon::Easy::notification_type: The type of the notification.

  • Mastodon::Easy::context_type: Describes the context of a filter.

  • Mastodon::Easy::stream_event_type: Type and data of an events returned in streams.

  • Mastodon::Easy::alert_type, used for push subscriptions.

  • Mastodon::Easy::time_type: Type for time, can be converted to time_point and string.

  • Mastodon::Easy::account_field_type: Type for fields in accounts.

  • Mastodon::Easy::urls_type: Type for URLs returned by Instance::urls().

  • Mastodon::Easy::stats_type: Type for statistics returned by Instance::stats().

  • Mastodon::Easy::poll_options_type: Type for poll options returned by Poll::options().

Error codes

Code Explanation

0

No error

1

Invalid argument

10

URL changed (HTTP 301 or 308)

11

Connection timed out

12

Connection refused (check http_error_code)

13

No route to host / Could not resolve host

14

Encryption error

127

Unknown error

If you use a debug build, you get more verbose error messages.

Useful links

Install

Upgrading from versions below 0.100.0

Starting with version 0.100.0, large parts of the library have been rewritten. Upgrading from previous versions will require extensive code changes.

Packages

Every release includes packages for Debian and Centos. Gentoo packages are available in my overlay.

Gentoo

Add my repository and install it from there.

eselect repository enable tastytea
echo 'dev-cpp/mastodon-cpp ~amd64' >> /etc/portage/package.accept_keywords/mastodon-cpp
emaint sync -r tastytea
emerge -a dev-cpp/mastodon-cpp

DEB and RPM

Prebuilt DEB and RPM packages for x86_64(amd64) are provided with each release. .deb packages are built on Debian stretch and .rpm packages are built on CentOS 7. These packages are automatically built and not tested.

From source

Dependencies

  • Tested OS: Linux

  • C++ compiler (tested: gcc 6/8/9, clang 5/7)

  • cmake (at least: 3.6)

  • POCO (tested: 1.9 / 1.7)

  • Optional

    • Easy interface & Examples: jsoncpp (tested: 1.8 / 1.7)

    • Documentation: doxygen (tested: 1.8)

    • DEB package: dpkg (tested: 1.18)

    • RPM package: rpm-build (tested: 4.11)

    • Tests: catch (tested: 2.5 / 1.2)

Example 3. Install dependencies in Debian stretch.
apt-get install build-essential cmake libpoco-dev libjsoncpp-dev doxygen

Get sourcecode

Release

Download the current release at schlomp.space.

Development version
git clone https://schlomp.space/tastytea/mastodon-cpp.git

Compile

mkdir build
cd build/
cmake ..
cmake --build . -- -j$(nproc --ignore=1)
cmake options:

  • -DCMAKE_BUILD_TYPE=Debug for a debug build.

  • -DWITH_EASY=NO to not build the Easy abstractions and to get rid of the jsoncpp-dependency (not recommended).

  • -DWITH_EXAMPLES=YES if you want to compile the examples.

  • -DWITH_TESTS=YES if you want to compile the tests.

  • -DEXTRA_TEST_ARGS to run only some tests (format).

    • Possible tags: [api], [auth], [mastodon], [glitch-soc], [pleroma], [upload], [entity].

  • -DWITH_DOC=NO if you don’t want to compile the HTML reference.

  • 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.

Example 4. Run only tests for glitch-soc features that don’t upload any files.
cmake -DWITH_TESTS=YES -DEXTRA_TEST_ARGS=[glitch-soc]~[upload] ..

Tests

You can run the tests with ctest inside the build directory. You need to set the environment variable MASTODON_CPP_ACCESS_TOKEN to an access token with the scopes read, write and follow for tests tagged with [auth]. You can select the instance to use with MASTODON_CPP_INSTANCE, the default is likeable.space. You can select the user ID with MASTODON_CPP_USER_ID, the default is 9hnrrVPriLiLVAhfVo. You can select the status ID with MASTODON_CPP_STATUS_ID, the default is 9hwnuJMq3eTdO4s1PU. You can select the filter ID with MASTODON_CPP_FILTER_ID. You can select the list ID with MASTODON_CPP_LIST_ID, the default is 2. You can select the media ID with MASTODON_CPP_MEDIA_ID, the default is 2127742613.

Requirements for the test-user:

  • Have at least 1 follower.

  • Follow at least 1 account.

  • Have at least 1 account endorsed.

  • Have at least 1 public or unlisted status.

  • Have at least 1 post favourited.

  • Have no follow requests.

  • Have at least 1 list with at least one account in it.

  • have at least 1 account muted.

How to contribute

Read the Code of Conduct.

Reporting bugs or suggesting enhancements

Before reporting a bug, please perform a search to see if the problem has already been reported. If it has, add a comment to the existing issue instead of opening a new one. Same for enhancements.

You can also contact me via E-Mail, XMPP or the Fediverse if you 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.

You can also send me your patches via E-Mail, ideally using git format-patch or git send-email.

Status of implementation

You can still use unsupported calls by using API::get and the others with strings and you can use unsupported fields in an Entity by converting it to Json::Value.

Mastodon API

Calls

  • Accounts

    • ✓ GET /api/v1/accounts/:id

    • ✓ POST /api/v1/accounts

    • ✓ GET /api/v1/accounts/verify_credentials

    • ✓ PATCH /api/v1/accounts/update_credentials

    • ✓ GET /api/v1/accounts/:id/followers

    • ✓ GET /api/v1/accounts/:id/following

    • ✓ GET /api/v1/accounts/:id/statuses

    • ✓ POST /api/v1/accounts/:id/follow

    • ✓ POST /api/v1/accounts/:id/unfollow

    • ✓ GET /api/v1/accounts/relationships

    • ✓ GET /api/v1/accounts/search

  • Apps

    • ✓ POST /api/v1/apps

    • ✓ GET /api/v1/apps/verify_credentials

  • Blocks

    • ✓ GET /api/v1/blocks

    • ✓ POST /api/v1/accounts/:id/block

    • ✓ POST /api/v1/accounts/:id/unblock

  • Custom emoji

    • ✓ GET /api/v1/custom_emojis

  • Domain blocks

    • ✓ GET /api/v1/domain_blocks

    • ✓ POST /api/v1/domain_blocks

    • ✓ DELETE /api/v1/domain_blocks

  • Endorsements

    • ✓ GET /api/v1/endorsements

    • ✓ POST /api/v1/accounts/:id/pin

    • ✓ POST /api/v1/accounts/:id/unpin

  • Favourites

    • ✓ GET /api/v1/favourites

    • ✓ POST /api/v1/statuses/:id/favourite

    • ✓ POST /api/v1/statuses/:id/unfavourite

  • Filters

    • ✓ GET /api/v1/filters

    • ✓ POST /api/v1/filters

    • ✓ GET /api/v1/filters/:id

    • ✓ PUT /api/v1/filters/:id

    • ✓ DELETE /api/v1/filters/:id

  • Follow requests

    • ✓ GET /api/v1/follow_requests

    • ✓ POST /api/v1/follow_requests/:id/authorize

    • ✓ POST /api/v1/follow_requests/:id/reject

  • Follow suggestions

    • ✓ GET /api/v1/suggestions

    • ✓ DELETE /api/v1/suggestions/:account_id

  • Instances

    • ✓ GET /api/v1/instance

  • Lists

    • ✓ GET /api/v1/lists

    • ✓ GET /api/v1/accounts/:id/lists

    • ✓ GET /api/v1/lists/:id/accounts

    • ✓ GET /api/v1/lists/:id

    • ✓ POST /api/v1/lists

    • ✓ PUT /api/v1/lists/:id

    • ✓ DELETE /api/v1/lists/:id

    • ✓ POST /api/v1/lists/:id/accounts

    • ✓ DELETE /api/v1/lists/:id/accounts

  • Media attachments

    • ✓ POST /api/v1/media

    • ✓ PUT /api/v1/media/:id

  • Mutes

    • ✓ GET /api/v1/mutes

    • ✓ POST /api/v1/accounts/:id/mute

    • ✓ POST /api/v1/accounts/:id/unmute

    • ✓ POST /api/v1/statuses/:id/mute

    • ✓ POST /api/v1/statuses/:id/unmute

  • Notifications

    • ✓ GET /api/v1/notifications

    • ✓ GET /api/v1/notifications/:id

    • ✓ POST /api/v1/notifications/clear

    • ✓ POST /api/v1/notifications/dismiss

    • ✓ POST /api/v1/push/subscription

    • ✓ GET /api/v1/push/subscription

    • ✓ PUT /api/v1/push/subscription

    • ✓ DELETE /api/v1/push/subscription

  • Polls

    • ✓ GET /api/v1/polls/:id

    • ✓ POST /api/v1/polls/:id/votes

  • Reports

    • ✓ POST /api/v1/reports

  • Scheduled Statuses

    • ❏ GET /api/v1/scheduled_statuses

    • ❏ GET /api/v1/scheduled_statuses/:id

    • ❏ PUT /api/v1/scheduled_statuses/:id

    • ❏ DELETE /api/v1/scheduled_statuses/:id

  • Search

    • ✓ GET /api/v2/search

  • Statuses

    • ✓ GET /api/v1/statuses/:id

    • ✓ GET /api/v1/statuses/:id/context

    • ✓ GET /api/v1/statuses/:id/card

    • ✓ GET /api/v1/statuses/:id/reblogged_by

    • ✓ GET /api/v1/statuses/:id/favourited_by

    • ✓ POST /api/v1/statuses

    • ✓ DELETE /api/v1/statuses/:id

    • ✓ POST /api/v1/statuses/:id/reblog

    • ✓ POST /api/v1/statuses/:id/unreblog

    • ✓ POST /api/v1/statuses/:id/pin

    • ✓ POST /api/v1/statuses/:id/unpin

  • Timelines

    • ✓ GET /api/v1/timelines/home

    • ✓ GET /api/v1/conversations

    • ✓ GET /api/v1/timelines/public

    • ✓ GET /api/v1/timelines/tag/:hashtag

    • ✓ GET /api/v1/timelines/list/:list_id

  • Streaming API

    • ✓ GET /api/v1/streaming/health

    • ✓ GET /api/v1/streaming/user

    • ✓ GET /api/v1/streaming/public

    • ✓ GET /api/v1/streaming/public/local

    • ✓ GET /api/v1/streaming/hashtag

    • ✓ GET /api/v1/streaming/hashtag/local

    • ✓ GET /api/v1/streaming/list

    • ✓ GET /api/v1/streaming/direct

Entities

  • ✓ Account

  • ✓ Application

  • ✓ Attachment

  • ✓ Card

  • ✓ Context

  • ✓ Conversation

  • ✓ Emoji

  • ✓ Filter

  • ✓ Instance

  • ✓ List

  • ✓ Mention

  • ✓ Notification

  • ✓ Poll

  • ✓ PushSubscription

  • ✓ Relationship

  • ✓ Results

  • ✓ Status

  • ❏ ScheduledStatus

  • ✓ Tag

  • ❏ Token

glitch-soc API

Calls

  • ✓ GET /api/v1/bookmarks

  • ✓ POST /api/v1/statuses/:id/bookmark

  • ✓ POST /api/v1/statuses/:id/unbookmark

Entities

  • ✓ max_toot_chars in Instance

Pleroma API

Calls

  • ❏ preview and content_type in POST /api/v1/statuses

  • ❏ no_rich_text, hide_followers, hide_follows, hide_favorites and show_role in /api/v1/update_credentials

  • ❏ GET /api/pleroma/emoji

  • ❏ POST /api/pleroma/follow_import

  • ❏ GET /api/pleroma/captcha

  • ❏ POST /api/pleroma/delete_account

  • ❏ POST /api/account/register

  • ❏ POST /api/v1/pleroma/flavour/:flavour

  • ❏ GET /api/v1/pleroma/flavour

  • ❏ POST /api/pleroma/notifications/read

  • ❏ POST /api/v1/pleroma/accounts/:id/subscribe

  • ❏ POST /api/v1/pleroma/accounts/:id/unsubscribe

  • ❏ GET /api/v1/pleroma/accounts/:id/favourites

  • ❏ PUT /api/pleroma/notification_settings

  • ❏ GET /api/pleroma/healthcheck

  • Admin API

    • ❏ GET /api/pleroma/admin/users

    • ❏ DELETE /api/pleroma/admin/user

    • ❏ POST /api/pleroma/admin/user

    • ❏ POST /api/pleroma/admin/user/follow

    • ❏ POST /api/pleroma/admin/user/unfollow

    • ❏ PATCH /api/pleroma/admin/users/:nickname/toggle_activation

    • ❏ PUT /api/pleroma/admin/users/tag

    • ❏ DELETE /api/pleroma/admin/users/tag

    • ❏ GET /api/pleroma/admin/permission_group/:nickname

    • ❏ GET /api/pleroma/admin/permission_group/:nickname/:permission_group

    • ❏ POST /api/pleroma/admin/permission_group/:nickname/:permission_group

    • ❏ DELETE /api/pleroma/admin/permission_group/:nickname/:permission_group

    • ❏ PUT /api/pleroma/admin/activation_status/:nickname

    • ❏ GET /api/pleroma/admin/users/:nickname

    • ❏ POST /api/pleroma/admin/relay

    • ❏ DELETE /api/pleroma/admin/relay

    • ❏ GET /api/pleroma/admin/invite_token

    • ❏ GET /api/pleroma/admin/invites

    • ❏ POST /api/pleroma/admin/revoke_invite

    • ❏ POST /api/pleroma/admin/email_invite

    • ❏ GET /api/pleroma/admin/password_reset

Entities

  • pleroma object in:

    • ❏ Status

    • ❏ Attachment

    • ❏ Account

    • ❏ Source

    • ❏ Notification

Blocked instances

Instances that are frequently used to hurt marginalized people are blocked from using this library.

List of blocked instances:

Copyright

Copyright © 2018, 2019 tastytea <tastytea@tastytea.de>.
License AGPLv3: <https://www.gnu.org/licenses/agpl-3.0.html>.
This program comes with ABSOLUTELY NO WARRANTY. This is free software,
and you are welcome to redistribute it under certain conditions.