implement a few commands

driver/main.cpp

@@ -114,12 +114,11 @@ static auto start(
         }
     );
 
-    // Simple example of a command handler
+    // Dispatch commands to the webhook logic
-    bot->sig_command.connect([connection](const Bot::Command &cmd) {
+    bot->sig_command.connect([webhook, connection](const Bot::Command &cmd) {
-        if (cmd.oper == "glguy" && cmd.command == "ping") {
+        auto cursor = webhook_commands.find(std::string{cmd.command});
-            if (auto bang = cmd.source.find('!'); bang != cmd.source.npos) {
+        if (cursor != webhook_commands.end()) {
-                connection->send_notice(cmd.source.substr(0, bang), cmd.arguments);
+            cursor->second(webhook, cmd);
-            }
         }
     });
 

driver/web.cpp

@@ -252,14 +252,21 @@ auto start_webhook(
     auto webhook_settings = toml::parse(webhook_settings_file);
     WebhookSettings settings = WebhookSettings::from_toml(webhook_settings);
     BOOST_LOG_TRIVIAL(info) << "Webhook settings: " << settings.to_toml();
-    auto webhook = std::make_shared<GithubWebhook>(std::move(settings));
+    auto webhook = std::make_shared<GithubWebhook>(std::move(settings), webhook_settings_filename);
     boost::asio::co_spawn(io, spawn_webhook(io, webhook), report_error);
     return webhook;
 }
 
-auto GithubWebhook::write_event(WebhookEvent event) -> void
+auto GithubWebhook::save_settings() const -> void
 {
-    connection_->send_notice("glguy", event.channel + ": " + event.message);
+    std::ofstream webhook_settings_file{settings_file};
+    if (!webhook_settings_file)
+    {
+        BOOST_LOG_TRIVIAL(error) << "Unable to open webhook settings file";
+        return;
+    }
+
+    webhook_settings_file << settings_.to_toml();
 }
 
 auto ProjectSettings::from_toml(const toml::table &v) -> ProjectSettings
@@ -374,3 +381,133 @@ auto WebhookSettings::to_toml() const -> toml::table
         {"projects", std::move(project_tables)}
     };
 }
+
+// Either emit the event now or save it until a connection is set
+auto GithubWebhook::add_event(Notice notice) -> void
+{
+    if (connection_)
+    {
+        connection_->send_notice(notice.target, notice.message);
+    }
+    else
+    {
+        events_.emplace_back(std::move(notice));
+    }
+}
+
+auto GithubWebhook::set_connection(std::shared_ptr<myirc::Connection> connection) -> void
+{
+    connection_ = std::move(connection);
+    for (auto &&event : events_)
+    {
+        connection_->send_notice(event.target, event.message);
+    }
+    events_.clear();
+}
+
+auto GithubWebhook::clear_connection() -> void
+{
+    connection_.reset();
+}
+
+static auto reply_to(std::shared_ptr<GithubWebhook> webhooks, const myirc::Bot::Command &cmd, std::string message) -> void
+{
+    if (cmd.target.starts_with("#"))
+    {
+        webhooks->add_event({std::string{cmd.target}, std::move(message)});
+    }
+    else
+    {
+        webhooks->add_event({std::string{cmd.nick()}, std::move(message)});
+    }
+}
+
+static auto authorized_for_project(const ProjectSettings &project, const std::string_view nick) -> bool
+{
+    return project.authorized_accounts.find(std::string{nick}) != project.authorized_accounts.end();
+}
+
+std::map<std::string, void (*)(std::shared_ptr<GithubWebhook>, const myirc::Bot::Command &)> webhook_commands{
+    {"add-credential", [](std::shared_ptr<GithubWebhook> webhooks, const myirc::Bot::Command &cmd) {
+         //if (cmd.oper.empty())
+         //{
+         //    return;
+         //}
+         std::istringstream iss{std::string{cmd.arguments}};
+         std::string name, key;
+         if (iss >> name >> key)
+         {
+             webhooks->settings_.credentials.insert_or_assign(name, key);
+             webhooks->save_settings();
+             reply_to(webhooks, cmd, "Added credential " + name);
+         }
+     }},
+    {"drop-credential", [](std::shared_ptr<GithubWebhook> webhooks, const myirc::Bot::Command &cmd) {
+         //if (cmd.oper.empty())
+         //{
+         //    return;
+         //}
+         std::istringstream iss{std::string{cmd.arguments}};
+         std::string name;
+         if (iss >> name)
+         {
+             webhooks->settings_.credentials.erase(name);
+             webhooks->save_settings();
+             reply_to(webhooks, cmd, "Dropped credential " + name);
+         }
+     }},
+     {"enable-project", [](std::shared_ptr<GithubWebhook> webhooks, const myirc::Bot::Command &cmd) {
+         std::istringstream iss{std::string{cmd.arguments}};
+         std::string name;
+         if (iss >> name)
+         {
+             auto cursor = webhooks->settings_.projects.find(name);
+             if (cursor == webhooks->settings_.projects.end())
+             {
+                 reply_to(webhooks, cmd, "Unknown project " + name);
+                 return;
+             }
+
+             auto &project = cursor->second;
+
+             if (not authorized_for_project(project, cmd.account))
+             {
+                 reply_to(webhooks, cmd, "Unauthorized to enable project " + name);
+                 return;
+             }
+
+             project.enabled = true;
+             webhooks->save_settings();
+             reply_to(webhooks, cmd, "Enabled project " + name);
+         }
+     }},
+     {"disable-project", [](std::shared_ptr<GithubWebhook> webhooks, const myirc::Bot::Command &cmd) {
+         //if (cmd.oper.empty())
+         //{
+         //    return;
+         //}
+         std::istringstream iss{std::string{cmd.arguments}};
+         std::string name;
+         if (iss >> name)
+         {
+             auto cursor = webhooks->settings_.projects.find(name);
+             if (cursor == webhooks->settings_.projects.end())
+             {
+                 webhooks->add_event({std::string{cmd.nick()}, "Unknown project " + name});
+                 return;
+             }
+
+             auto &project = cursor->second;
+
+             if (not authorized_for_project(project, cmd.account))
+             {
+                 reply_to(webhooks, cmd, "Unauthorized to disable project " + name);
+                 return;
+             }
+
+             project.enabled = false;
+             webhooks->save_settings();
+             reply_to(webhooks, cmd, "Disabled project " + name);
+         }
+     }},
+};

driver/web.hpp

@@ -1,5 +1,6 @@
 #pragma once
 
+#include <myirc/bot.hpp>
 #include <myirc/connection.hpp>
 
 #include <toml++/toml.hpp>
@@ -46,55 +47,38 @@ struct WebhookSettings {
     static auto from_toml(const toml::table &v) -> WebhookSettings;
 };
 
-struct WebhookEvent {
-    std::string channel;
-    std::string message;
-};
-
 class GithubWebhook {
+public:
+    struct Notice {
+        std::string target;
+        std::string message;
+    };
+private:
+
     // IRC connection to announce on; could be empty
     std::shared_ptr<myirc::Connection> connection_;
 
     // Buffered events in case connection was inactive when event was received
-    std::vector<WebhookEvent> events_;
+    std::vector<Notice> events_;
 
-
+    const char * settings_file;
-    // Actually write the event to the connection.
-    // Only call when there is a connection.
-    auto write_event(WebhookEvent event) -> void;
 
 public:
     WebhookSettings settings_;
 
-    GithubWebhook(WebhookSettings settings)
+    GithubWebhook(WebhookSettings settings, const char * settings_file)
         : settings_(std::move(settings))
+        , settings_file(settings_file)
     {
     }
 
     // Either emit the event now or save it until a connection is set
-    auto add_event(WebhookEvent event) -> void
+    auto add_event(Notice event) -> void;
-    {
+    auto set_connection(std::shared_ptr<myirc::Connection> connection) -> void;
-        if (connection_) {
+    auto clear_connection() -> void;
-            write_event(std::move(event));
+    auto save_settings() const -> void;
-        } else {
-            events_.emplace_back(std::move(event));
-        }
-    }
-
-    auto set_connection(std::shared_ptr<myirc::Connection> connection) -> void
-    {
-        connection_ = std::move(connection);
-        for (auto &&event : events_)
-        {
-            write_event(event);
-        }
-        events_.clear();
-    }
-
-    auto clear_connection() -> void
-    {
-        connection_.reset();
-    }
 };
 
 auto start_webhook(boost::asio::io_context &io, const char *) -> std::shared_ptr<GithubWebhook>;
+
+extern std::map<std::string, void(*)(std::shared_ptr<GithubWebhook>, const myirc::Bot::Command &)> webhook_commands;

myirc/include/myirc/bot.hpp

@@ -18,6 +18,15 @@ struct Bot : std::enable_shared_from_this<Bot>
         std::string_view account;
         std::string_view command;
         std::string_view arguments;
+
+        auto nick() const -> std::string_view {
+            auto bang = source.find('!');
+            if (bang == std::string::npos) {
+                return "";
+            } else {
+                return source.substr(0, bang);
+            }
+        }
     };
 
     std::shared_ptr<Client> self_;