allow overriding of gateway + api url

README.md

@@ -189,6 +189,8 @@ For example, memory_db would be set by adding `memory_db = true` under the line
 * css (string) - path to the main CSS file
 * animations (true or false, default true) - use animated images where available (e.g. server icons, emojis, avatars). false means static images will be used
 * owner_crown (true or false, default true) - show a crown next to the owner
+* gateway (string) - override url for Discord gateway. must be json format and use zlib stream compression
+* api_base (string) - override base url for Discord API
 
 #### misc
 * linkcolor (string) - color to use for links in messages

discord/discord.cpp

@@ -1,10 +1,10 @@
 #include "discord.hpp"
 #include <cassert>
 #include "../util.hpp"
+#include "../abaddon.hpp"
 
 DiscordClient::DiscordClient(bool mem_store)
-    : m_http(DiscordAPI)
-    , m_decompress_buf(InflateChunkSize)
+    : m_decompress_buf(InflateChunkSize)
     , m_store(mem_store) {
     m_msg_dispatch.connect(sigc::mem_fun(*this, &DiscordClient::MessageDispatch));
     auto dispatch_cb = [this]() {
@@ -24,13 +24,15 @@ DiscordClient::DiscordClient(bool mem_store)
 }
 
 void DiscordClient::Start() {
+    m_http.SetBase(GetAPIURL());
+
     std::memset(&m_zstream, 0, sizeof(m_zstream));
     inflateInit2(&m_zstream, MAX_WBITS + 32);
 
     m_last_sequence = -1;
     m_heartbeat_acked = true;
     m_client_connected = true;
-    m_websocket.StartConnection(DiscordGateway);
+    m_websocket.StartConnection(GetGatewayURL());
 }
 
 void DiscordClient::Stop() {
@@ -1104,6 +1106,17 @@ void DiscordClient::HandleGatewayHello(const GatewayMessage &msg) {
         SendIdentify();
 }
 
+// perhaps this should be set by the main class
+std::string DiscordClient::GetAPIURL() {
+    static const auto url = Abaddon::Get().GetSettings().GetAPIBaseURL();
+    return url;
+}
+
+std::string DiscordClient::GetGatewayURL() {
+    static const auto url = Abaddon::Get().GetSettings().GetGatewayURL();
+    return url;
+}
+
 DiscordError DiscordClient::GetCodeFromResponse(const http::response_type &response) {
     try {
         // pull me somewhere else?
@@ -1576,7 +1589,7 @@ void DiscordClient::HandleGatewayReconnect(const GatewayMessage &msg) {
     std::memset(&m_zstream, 0, sizeof(m_zstream));
     inflateInit2(&m_zstream, MAX_WBITS + 32);
 
-    m_websocket.StartConnection(DiscordGateway);
+    m_websocket.StartConnection(GetGatewayURL());
 }
 
 void DiscordClient::HandleGatewayInvalidSession(const GatewayMessage &msg) {
@@ -1597,7 +1610,7 @@ void DiscordClient::HandleGatewayInvalidSession(const GatewayMessage &msg) {
 
     m_websocket.Stop(1000);
 
-    m_websocket.StartConnection(DiscordGateway);
+    m_websocket.StartConnection(GetGatewayURL());
 }
 
 void DiscordClient::HandleGatewayMessageUpdate(const GatewayMessage &msg) {

discord/discord.hpp

@@ -49,10 +49,6 @@ class Abaddon;
 class DiscordClient {
     friend class Abaddon;
 
-public:
-    static const constexpr char *DiscordGateway = "wss://gateway.discord.gg/?v=9&encoding=json&compress=zlib-stream";
-    static const constexpr char *DiscordAPI = "https://discord.com/api/v9";
-
 public:
     DiscordClient(bool mem_store = false);
     void Start();
@@ -191,6 +187,9 @@ private:
     std::vector<uint8_t> m_decompress_buf;
     z_stream m_zstream;
 
+    std::string GetAPIURL();
+    std::string GetGatewayURL();
+
     static DiscordError GetCodeFromResponse(const http::response_type &response);
 
     void ProcessNewGuild(GuildData &guild);

discord/httpclient.cpp

@@ -1,11 +1,14 @@
 #include "httpclient.hpp"
 
 //#define USE_LOCAL_PROXY
-HTTPClient::HTTPClient(std::string api_base)
-    : m_api_base(api_base) {
+HTTPClient::HTTPClient() {
     m_dispatcher.connect(sigc::mem_fun(*this, &HTTPClient::RunCallbacks));
 }
 
+void HTTPClient::SetBase(const std::string &url) {
+    m_api_base = url;
+}
+
 void HTTPClient::SetUserAgent(std::string agent) {
     m_agent = agent;
 }

discord/httpclient.hpp

@@ -11,7 +11,9 @@
 
 class HTTPClient {
 public:
-    HTTPClient(std::string api_base);
+    HTTPClient();
+
+    void SetBase(const std::string &url);
 
     void SetUserAgent(std::string agent);
     void SetAuth(std::string auth);

settings.cpp

@@ -85,3 +85,11 @@ bool SettingsManager::GetShowAnimations() const {
 bool SettingsManager::GetShowOwnerCrown() const {
     return GetSettingBool("gui", "owner_crown", true);
 }
+
+std::string SettingsManager::GetGatewayURL() const {
+    return GetSettingString("discord", "gateway", "wss://gateway.discord.gg/?v=9&encoding=json&compress=zlib-stream");
+}
+
+std::string SettingsManager::GetAPIBaseURL() const {
+    return GetSettingString("discord", "api_base", "https://discord.com/api/v9");
+}

settings.hpp

@@ -21,6 +21,8 @@ public:
     std::string GetMainCSS() const;
     bool GetShowAnimations() const;
     bool GetShowOwnerCrown() const;
+    std::string GetGatewayURL() const;
+    std::string GetAPIBaseURL() const;
 
     bool IsValid() const;