Added proxy support #1

CMakeLists.txt

@@ -1,6 +1,6 @@
 cmake_minimum_required (VERSION 3.7)
 project (expandurl-mastodon
-         VERSION 0.6.5
+         VERSION 0.7.0
          LANGUAGES CXX
 )
 

README.md

@@ -25,7 +25,7 @@ or to [@tastytea@soc.ialis.me](https://soc.ialis.me/@tastytea).
  * C++ compiler (tested: gcc 6.4)
  * [cmake](https://cmake.org/) (tested: 3.9.6)
  * [curlpp](http://www.curlpp.org/) (tested: 0.8.1)
- * [mastodon-cpp](https://github.com/tastytea/mastodon-cpp) (at least: 0.13.1)
+ * [mastodon-cpp](https://github.com/tastytea/mastodon-cpp) (at least: 0.15.0)
  * [jsoncpp](https://github.com/open-source-parsers/jsoncpp) (tested: 1.8.4)
 
 ## Get sourcecode
@@ -59,9 +59,16 @@ and an access token is generated. The config file can be found in
 
     {
         "account": "expandurl@example.social",
-        "access_token": "abc123"
+        "access_token": "abc123",
+        "proxy":
+        {
+            "url": "socks5h://[::1]:1080/",
+            "user": "user23",
+            "password": "supersecure"
+        }
     }
 
+If you want to use a proxy, you have to edit the configuration file manually.
 After the configuration file is generated, you can start expandurl-mastodon as
 daemon.
 

src/expandurl-mastodon.hpp

@@ -94,10 +94,14 @@ private:
     bool _running;
     Json::Value _config;
     const string _configfilepath;
+    string _proxy;
+    string _proxy_user;
+    string _proxy_password;
 
     const bool read_config();
     const bool write_config();
     const bool register_app();
+    const void set_proxy(Easy &masto);
 };
 
 #endif  // EXPANDURL_MASTODON_HPP

src/masto.cpp

@@ -34,6 +34,9 @@ Listener::Listener()
 , _running(false)
 , _configfilepath(static_cast<const string>(getenv("HOME")) +
                   "/.config/expandurl-mastodon.json")
+, _proxy("")
+, _proxy_user("")
+, _proxy_password("")
 {
 
     if (read_config())
@@ -41,6 +44,7 @@ Listener::Listener()
         _masto = std::make_unique<Easy>(_instance, _access_token);
         _masto->set_useragent(static_cast<const string>("expandurl-mastodon/") +
                               global::version);
+        set_proxy(*_masto);
     }
     else
     {
@@ -85,6 +89,9 @@ const bool Listener::read_config()
         _instance = _config["account"].asString();
         _instance = _instance.substr(_instance.find('@') + 1);
         _access_token = _config["access_token"].asString();
+        _proxy = _config["proxy"]["url"].asString();
+        _proxy_user = _config["proxy"]["user"].asString();
+        _proxy_password = _config["proxy"]["password"].asString();
         return true;
     }
 
@@ -115,6 +122,7 @@ const void Listener::start()
         Easy masto(_instance, _access_token);
         masto.set_useragent(static_cast<const string>("expandurl-mastodon/") +
                             global::version);
+        set_proxy(masto);
         ret = masto.get_stream(Mastodon::API::v1::streaming_user, _stream, _ptr);
         syslog(LOG_DEBUG, "Connection lost.");
         if (ret != 0 && ret != 14)  // 14 means canceled by user
@@ -372,3 +380,18 @@ const bool Listener::register_app()
 
     return false;
 }
+
+const void Listener::set_proxy(Mastodon::Easy &masto)
+{
+    if (!_proxy.empty())
+    {
+        if (!_proxy_user.empty())
+        {
+            masto.set_proxy(_proxy, _proxy_user + ':' + _proxy_password);
+        }
+        else
+        {
+            masto.set_proxy(_proxy);
+        }
+    }
+}