simple HTTP post support (urlencode parameters)

ws/ws.cpp

@@ -17,7 +17,8 @@
 
 namespace ix
 {
-    int ws_http_client_main(const std::string& url);
+    int ws_http_client_main(const std::string& url,
+                            const std::string& data);
 
     int ws_ping_pong_main(const std::string& url);
 
@@ -47,11 +48,13 @@ int main(int argc, char** argv)
     std::string url("ws://127.0.0.1:8080");
     std::string path;
     std::string user;
+    std::string data;
     int port = 8080;
 
     CLI::App* sendApp = app.add_subcommand("send", "Send a file");
     sendApp->add_option("url", url, "Connection url")->required();
-    sendApp->add_option("path", path, "Path to the file to send")->required();
+    sendApp->add_option("path", path, "Path to the file to send")
+        ->required()->check(CLI::ExistingPath);
 
     CLI::App* receiveApp = app.add_subcommand("receive", "Receive a file");
     receiveApp->add_option("url", url, "Connection url")->required();
@@ -77,6 +80,8 @@ int main(int argc, char** argv)
 
     CLI::App* httpClientApp = app.add_subcommand("http_client", "HTTP Client");
     httpClientApp->add_option("url", url, "Connection url")->required();
+    httpClientApp->add_option("-d", data, "Form data")->join();
+    httpClientApp->add_option("-F", data, "Form data")->join();
 
     CLI11_PARSE(app, argc, argv);
 
@@ -117,7 +122,8 @@ int main(int argc, char** argv)
     }
     else if (app.got_subcommand("http_client"))
     {
-        return ix::ws_http_client_main(url);
+        std::cout << "data: " << data << std::endl;
+        return ix::ws_http_client_main(url, data);
     }
 
     return 1;

ws/ws_chat.cpp

@@ -7,7 +7,7 @@
 //
 // Simple chat program that talks to the node.js server at
 // websocket_chat_server/broacast-server.js
-// 
+//
 #include <iostream>
 #include <sstream>
 #include <queue>

ws/ws_http_client.cpp

@@ -10,11 +10,51 @@
 
 namespace ix
 {
-    void ws_http_client_main(const std::string& url)
+    //
+    // Useful endpoint to test HTTP post
+    // https://postman-echo.com/post
+    //
+    HttpParameters parsePostParameters(const std::string& data)
     {
+        HttpParameters httpParameters;
+
+        // Split by ;
+        std::string token;
+        std::stringstream tokenStream(data);
+
+        while (std::getline(tokenStream, token))
+        {
+            std::size_t pos = token.rfind('=');
+
+            // Bail out if last '.' is found
+            if (pos == std::string::npos) continue;
+
+            auto key = token.substr(0, pos);
+            auto val = token.substr(pos+1);
+
+            std::cout << key << ": " << val << std::endl;
+            httpParameters[key] = val;
+        }
+
+        return httpParameters;
+    }
+
+    int ws_http_client_main(const std::string& url,
+                            const std::string& data)
+    {
+        HttpParameters httpParameters = parsePostParameters(data);
+
         HttpClient httpClient;
         bool verbose = true;
-        auto out = httpClient.get(url, verbose);
+        HttpResponse out;
+        if (data.empty())
+        {
+            out = httpClient.get(url, verbose);
+        }
+        else
+        {
+            out = httpClient.post(url, httpParameters, verbose);
+        }
         auto errorCode = std::get<0>(out);
         auto headers = std::get<1>(out);
         auto payload = std::get<2>(out);
@@ -32,5 +72,7 @@ namespace ix
         }
 
         std::cout << "payload: " << payload << std::endl;
+
+        return 0;
     }
 }