Added basic webui (layout from l-n-s).

client/HTTPServer.cpp

@@ -35,6 +35,14 @@ const char HTTP_COMMAND_SAM_SESSIONS[] = "sam_sessions";
 const char HTTP_COMMAND_SAM_SESSION[] = "sam_session";
 const char HTTP_PARAM_SAM_SESSION_ID[] = "id";
 
+HTTPConnection::HTTPConnection(boost::asio::ip::tcp::socket* socket,
+ std::shared_ptr<i2p::client::I2PControlSession> session)
+    : m_Socket(socket), m_Timer(socket->get_io_service()),
+      m_BufferLen(0), m_Session(session)
+{
+    
+}
+
 void HTTPConnection::Terminate()
 {
     m_Socket->close();
@@ -62,8 +70,18 @@ void HTTPConnection::HandleReceive(const boost::system::error_code& e, std::size
 
 void HTTPConnection::RunRequest()
 {
-    m_Request = i2p::util::http::Request(std::string(m_Buffer, m_Buffer + m_BufferLen));
-    HandleRequest();
+    try {
+      m_Request = i2p::util::http::Request(std::string(m_Buffer, m_Buffer + m_BufferLen));
+      if(m_Request.getMethod() == "GET")
+          return HandleRequest();
+      if(m_Request.getHeader("Content-Type").find("application/json") != std::string::npos)
+          return HandleI2PControlRequest();
+    } catch(...) {
+        // Ignore the error for now, probably Content-Type doesn't exist
+    }
+    // Unsupported method
+    m_Reply = i2p::util::http::Response(502, "");
+    SendReply();
 }
 
 void HTTPConnection::ExtractParams(const std::string& str, std::map<std::string, std::string>& params)
@@ -119,6 +137,23 @@ void HTTPConnection::HandleRequest()
     ifs.close();
     
     m_Reply = i2p::util::http::Response(200, str);
+
+    // TODO: get rid of this hack, actually determine the MIME type
+    if(address.substr(address.find_last_of(".")) == ".css")
+        m_Reply.setHeader("Content-Type", "text/css");
+    else if(address.substr(address.find_last_of(".")) == ".js")
+        m_Reply.setHeader("Content-Type", "text/javascript");
+    else
+        m_Reply.setHeader("Content-Type", "text/html");
+    SendReply();
+}
+
+void HTTPConnection::HandleI2PControlRequest()
+{
+    std::stringstream ss(m_Request.getContent());
+    const client::I2PControlSession::Response rsp = m_Session->handleRequest(ss);
+    m_Reply = i2p::util::http::Response(200, rsp.toJsonString());
+    m_Reply.setHeader("Content-Type", "application/json");
     SendReply();
 }
 
@@ -141,7 +176,6 @@ void HTTPConnection::SendReply()
     if(std::strftime(time_buff, sizeof(time_buff), "%a, %d %b %Y %H:%M:%S GMT", std::gmtime(&time_now)) ) {
         m_Reply.setHeader("Date", std::string(time_buff));
         m_Reply.setContentLength();
-        m_Reply.setHeader("Content-Type", "text/html");
     }
     boost::asio::async_write(
         *m_Socket, boost::asio::buffer(m_Reply.toString()),
@@ -153,7 +187,9 @@ HTTPServer::HTTPServer(const std::string& address, int port):
     m_Thread(nullptr), m_Work(m_Service),
     m_Acceptor(m_Service, boost::asio::ip::tcp::endpoint(
         boost::asio::ip::address::from_string(address), port)
-    ), m_NewSocket(nullptr)
+    ),
+    m_NewSocket(nullptr),
+    m_Session(std::make_shared<i2p::client::I2PControlSession>(m_Service))
 {
 
 }
@@ -167,11 +203,13 @@ void HTTPServer::Start()
 {
     m_Thread = new std::thread(std::bind(&HTTPServer::Run, this));
     m_Acceptor.listen();
+    m_Session->start();
     Accept();
 }
 
 void HTTPServer::Stop()
 {
+    m_Session->stop();
     m_Acceptor.close();
     m_Service.stop();
     if(m_Thread)
@@ -196,18 +234,17 @@ void HTTPServer::Accept()
 
 void HTTPServer::HandleAccept(const boost::system::error_code& ecode)
 {
-    if(!ecode)
-    {
+    if(!ecode) {
         CreateConnection(m_NewSocket);
         Accept();
     }
 }
 
-void HTTPServer::CreateConnection(boost::asio::ip::tcp::socket * m_NewSocket)
+void HTTPServer::CreateConnection(boost::asio::ip::tcp::socket* m_NewSocket)
 {
-    auto conn = std::make_shared<HTTPConnection>(m_NewSocket);
+    auto conn = std::make_shared<HTTPConnection>(m_NewSocket, m_Session);
     conn->Receive();
 }
+
 }
 }
-

client/HTTPServer.h

@@ -6,6 +6,7 @@
 #include <memory>
 #include <boost/asio.hpp>
 #include <boost/array.hpp>
+#include "i2pcontrol/I2PControl.h"
 #include "util/HTTP.h"
 
 namespace i2p {
@@ -17,9 +18,9 @@ const int HTTP_DESTINATION_REQUEST_TIMEOUT = 10; // in seconds
 class HTTPConnection: public std::enable_shared_from_this<HTTPConnection> {
 public:
 
-    HTTPConnection(boost::asio::ip::tcp::socket * socket)
-        : m_Socket(socket), m_Timer(socket->get_io_service()), 
-        m_BufferLen(0) {};
+    HTTPConnection(boost::asio::ip::tcp::socket* socket,
+        std::shared_ptr<i2p::client::I2PControlSession> session);
+
     ~HTTPConnection() { delete m_Socket; }
     void Receive();
     
@@ -32,6 +33,7 @@ private:
     void SendReply();
 
     void HandleRequest();
+    void HandleI2PControlRequest();
     void ExtractParams(const std::string& str, std::map<std::string, std::string>& params);
     
     bool isAllowed(const std::string& address);
@@ -43,6 +45,7 @@ private:
     size_t m_BufferLen;
     util::http::Request m_Request;
     util::http::Response m_Reply;
+    std::shared_ptr<i2p::client::I2PControlSession> m_Session;
 };
 
 class HTTPServer {
@@ -67,9 +70,10 @@ private:
     boost::asio::io_service::work m_Work;
     boost::asio::ip::tcp::acceptor m_Acceptor;
     boost::asio::ip::tcp::socket * m_NewSocket;
+    std::shared_ptr<i2p::client::I2PControlSession> m_Session;
 
 protected:
-    virtual void CreateConnection(boost::asio::ip::tcp::socket * m_NewSocket);
+    void CreateConnection(boost::asio::ip::tcp::socket* m_NewSocket);
 };
 }
 }

core/util/HTTP.cpp

@@ -26,8 +26,13 @@ Request::Request(const std::string& data)
     std::getline(ss, line);
     parseRequestLine(line);
 
-    while(std::getline(ss, line))
+    while(std::getline(ss, line) && !boost::trim_copy(line).empty())
         parseHeaderLine(line);
+
+    if(ss) {
+        const std::string current = ss.str();
+        content = current.substr(ss.tellg());
+    }
 }
 
 std::string Request::getMethod() const
@@ -55,6 +60,11 @@ std::string Request::getHeader(const std::string& name) const
     return headers.at(name);
 }
 
+std::string Request::getContent() const
+{
+    return content;
+}
+
 Response::Response(int status, const std::string& content)
     : status(status), content(content), headers()
 {

core/util/HTTP.h

@@ -31,10 +31,13 @@ public:
      */
     std::string getHeader(const std::string& name) const;
 
+    std::string getContent() const;
+
 private:
     std::string method;
     std::string uri;
     std::string host;
+    std::string content;
     int port;
     std::map<std::string, std::string> headers;
 };

tests/Utility.cpp

@@ -113,6 +113,21 @@ BOOST_AUTO_TEST_CASE(ParseHTTPRequestWithHeaders)
     BOOST_CHECK_EQUAL(req2.getHeader("Host"), "localhost:123");
 }
 
+BOOST_AUTO_TEST_CASE(ParseHTTPRequestWithContent)
+{
+    Request req1(
+        "GET /index.html HTTP/1.1\r\n"
+        "Host: localhost\r\n\r\n"
+        "Random content."
+    );
+    Request req2(
+        "GET /index.html HTTP/1.0\r\n\r\n"
+        "Random content.\r\nTest content."
+    );
+    BOOST_CHECK_EQUAL(req1.getContent(), "Random content.");
+    BOOST_CHECK_EQUAL(req2.getContent(), "Random content.\r\nTest content.");
+}
+
 BOOST_AUTO_TEST_CASE(HTTPResponseStatusMessage)
 {
     BOOST_CHECK_EQUAL(Response(0).getStatusMessage(), "");

webui/index.html

@@ -4,8 +4,94 @@
 <title>Purple I2P 0.10.0 Webconsole</title>
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
+<link rel="stylesheet" href="css/main.css">
+<script type="text/javascript" src="javascript/I2PControl.js"></script>
+<script type="text/javascript">
+function updateRouterInfo(result, session) {
+    if(session.error)
+        alert("Error: " + result["error"]);
+    I2PControl.updateDocument({
+        "version" : result["i2p.router.version"],
+        "status" : I2PControl.statusToString(result["i2p.router.net.status"]),
+    });
+
+}
+window.onload = function() {
+    var session = new I2PControl.Session("itoopie");
+    session.start(function() {
+        session.request("RouterInfo", {
+            "i2p.router.version" : "", "i2p.router.net.status" : ""
+        }, updateRouterInfo);
+    });
+};
+</script>
 </head>
+
 <body>
-    <p>Nothing here yet.</p>
+<div class="header">
+    <h1>i2pd router console</h1>
+    <h2>Version: <span id="version"></span>, uptime: <span id="uptime"></span></h2>
+    <h2>Network status: <span id="status"></span></h2>
+    <p>
+        <button id="shutdown">shutdown</button>
+        <button id="restart" disabled>restart</button>
+        <button id="reseed">reseed</button>
+    </p>
+</div>
+
+<div class="content">
+    <h2 class="content-subhead">Tunnels participating: <span id="tunnels-participating"></span></h2>
+    <h2 class="content-subhead">Active peers: <span id="activepeers"></span></h2>
+    <h2 class="content-subhead">Known peers: <span id="knownpeers"></span></h2>
+    <h2 class="content-subhead">Bandwidth: 
+        in <span id="bw-in"></span> Bps /
+        out <span id="bw-out"></span> Bps 
+    </h2>
+</div>
+
+<div class="header">
+    <h1>I2P configuration</h1>
+</div>
+
+<div class="content">
+    <h2 class="content-subhead">Not yet implemented :)</h2>
+</div>
+
+<script type="text/html" id="help">
+    <div class="header">
+        <h1>I2P help</h1>
+    </div>
+
+    <div class="content">
+        <h2 class="content-subhead">Need help? Join us at IRC: #i2pd-dev at irc.freenode.net</h2>
+        <h2 class="content-subhead">
+            <a href="https://github.com/PurpleI2P/i2pd">i2pd at GitHub</a>
+        </h2>
+        <h2 class="content-subhead"><a href="https://geti2p.net/en/">I2P Project</a> </h2>
+    </div>
+</script>
+<div id="layout">
+    <a href="#menu" id="menuLink" class="menu-link">
+        <span></span>
+    </a>
+
+    <div id="menu">
+        <div class="pure-menu">
+        <span class="pure-menu-heading">i2pd</span>
+
+            <ul class="pure-menu-list">
+                <li class="pure-menu-item"><a href="#/" class="pure-menu-link">Home</a></li>
+                <li class="pure-menu-item"><a href="#/config" class="pure-menu-link">Configure</a></li>
+                <li class="pure-menu-item"><a href="#/help" class="pure-menu-link">Help</a></li>
+            </ul>
+        </div>
+    </div>
+
+    <div id="main">
+        <noscript>
+            <div class="header"><h1>Please, enable JavaScript!</h1></div>
+        </noscript>
+    </div>
+</div>
 </body>
 </html>

webui/javascript/I2PControl.js

@@ -0,0 +1,84 @@
+var I2PControl = I2PControl || {}
+
+I2PControl.Session = function(password) {
+    this.token = "";
+    this.ready = false;
+    this.error = false;
+    this.password = password;
+};
+
+I2PControl.Session.prototype = {
+
+    request : function(method, params, handler) {
+        var request = new XMLHttpRequest();
+        request.open("POST", "", true);
+        request.setRequestHeader('Content-Type', 'application/json');
+        var self = this;
+        request.onreadystatechange = function() {
+            if(this.readyState == 4 && this.status == "200" && this.responseText != "") {
+                var result = JSON.parse(this.responseText).result;
+                if(result.hasOwnProperty("error")) {
+                    self.error = true;
+                }
+                handler(result, self);
+            }
+        };
+        if(this.token != "")
+            params["Token"] = this.token;
+
+        var rpc = {
+           "id" : 0,
+           "method" : method ,
+           "params" : params,
+           "jsonrpc": "2.0"
+        }
+        request.send(JSON.stringify(rpc));
+    },
+
+    start : function(onReady) {
+        var self = this;
+
+        var handleAuthenticate = function(result) {
+            self.token = result["Token"];
+            self.ready = true;
+            onReady();
+        };
+
+        this.request(
+            "Authenticate",
+            {"API" : 1, "Password" : this.password},
+            handleAuthenticate
+        );
+    },
+
+};
+
+I2PControl.statusToString = function(status) {
+    switch(status) {
+        case 0:  return "OK";
+        case 1:  return "TESTING";
+        case 2:  return "FIREWALLED";
+        case 3:  return "HIDDEN";
+        case 4:  return "WARN_FIREWALLED_AND_FAST";
+        case 5:  return "WARN_FIREWALLED_AND_FLOODFILL";
+        case 6:  return "WARN_FIREWALLED_WITH_INBOUND_TCP";
+        case 7:  return "WARN_FIREWALLED_WITH_UDP_DISABLED";
+        case 8:  return "ERROR_I2CP";
+        case 9:  return "ERROR_CLOCK_SKEW";
+        case 10: return "ERROR_PRIVATE_TCP_ADDRESS";
+        case 11: return "ERROR_SYMMETRIC_NAT";
+        case 12: return "ERROR_UDP_PORT_IN_USE";
+        case 13: return "ERROR_NO_ACTIVE_PEERS_CHECK_CONNECTION_AND_FIREWALL";
+        case 14: return "ERROR_UDP_DISABLED_AND_TCP_UNSET";
+        default: return "UNKNOWN";
+    }
+};
+
+I2PControl.updateDocument = function(values) {
+
+    for(id in values) {
+        if(!values.hasOwnProperty(id))
+            continue;
+        document.getElementById(id).innerHTML = values[id];
+    }
+};