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Several stability improvements and optimizations for HTTP handling and parsing (also, should fix HTTP Progressive under Windows - again).

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This commit is contained in:
Thulinma 2012-06-12 10:11:58 +02:00
parent 682ecd2a0e
commit a08f8e3033
4 changed files with 203 additions and 250 deletions
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84
lib/http_parser.cpp
View file

@ -20,13 +20,6 @@ void HTTP::Parser::Clean(){
vars.clear(); vars.clear();
} }
/// Re-initializes the HTTP::Parser, leaving the internal data buffer alone, then tries to parse a new request or response.
/// Does the same as HTTP::Parser::Clean(), then returns HTTP::Parser::parse().
bool HTTP::Parser::CleanForNext(){
Clean();
return parse();
}
/// Returns a string containing a valid HTTP 1.0 or 1.1 request, ready for sending. /// Returns a string containing a valid HTTP 1.0 or 1.1 request, ready for sending.
/// The request is build from internal variables set before this call is made. /// The request is build from internal variables set before this call is made.
/// To be precise, method, url, protocol, headers and body are used. /// To be precise, method, url, protocol, headers and body are used.
@ -115,34 +108,20 @@ void HTTP::Parser::SetVar(std::string i, std::string v){
} }
} }
/// Attempt to read a whole HTTP request or response from Socket::Connection. /// Attempt to read a whole HTTP request or response from a std::string buffer.
/// \param sock The socket to use. /// If a whole request could be read, it is removed from the front of the given buffer.
/// \param nonblock When true, will not block even if the socket is blocking. /// \param strbuf The buffer to read from.
/// \return True of a whole request or response was read, false otherwise. /// \return True if a whole request or response was read, false otherwise.
bool HTTP::Parser::Read(Socket::Connection & sock, bool nonblock){ bool HTTP::Parser::Read(std::string & strbuf){
if (nonblock && (sock.ready() < 1)){return parse();} return parse(strbuf);
sock.read(HTTPbuffer); }//HTTPReader::Read
return parse();
}//HTTPReader::ReadSocket
/// Reads a full set of HTTP responses/requests from file F. /// Attempt to read a whole HTTP response or request from a data buffer.
/// \return Always false. Use HTTP::Parser::CleanForNext() to parse the contents of the file.
bool HTTP::Parser::Read(FILE * F){
//returned true als hele http packet gelezen is
int b = 1;
char buffer[500];
while (b > 0){
b = fread(buffer, 1, 500, F);
HTTPbuffer.append(buffer, b);
}
return false;
}//HTTPReader::ReadSocket
/// Attempt to read a whole HTTP response or request from the internal data buffer.
/// If succesful, fills its own fields with the proper data and removes the response/request /// If succesful, fills its own fields with the proper data and removes the response/request
/// from the internal data buffer. /// from the data buffer.
/// \param HTTPbuffer The data buffer to read from.
/// \return True on success, false otherwise. /// \return True on success, false otherwise.
bool HTTP::Parser::parse(){ bool HTTP::Parser::parse(std::string & HTTPbuffer){
size_t f; size_t f;
std::string tmpA, tmpB, tmpC; std::string tmpA, tmpB, tmpC;
while (HTTPbuffer != ""){ while (HTTPbuffer != ""){
@ -194,16 +173,6 @@ bool HTTP::Parser::parse(){
return false; //we should never get here... return false; //we should never get here...
}//HTTPReader::parse }//HTTPReader::parse
/// Sends data as response to conn.
/// The response is automatically first build using HTTP::Parser::BuildResponse().
/// \param conn The Socket::Connection to send the response over.
/// \param code The HTTP response code. Usually you want 200.
/// \param message The HTTP response message. Usually you want "OK".
void HTTP::Parser::SendResponse(Socket::Connection & conn, std::string code, std::string message){
std::string tmp = BuildResponse(code, message);
conn.write(tmp);
}
#include <iostream> #include <iostream>
/// Parses GET or POST-style variable data. /// Parses GET or POST-style variable data.
/// Saves to internal variable structure using HTTP::Parser::SetVar. /// Saves to internal variable structure using HTTP::Parser::SetVar.
@ -237,31 +206,16 @@ void HTTP::Parser::parseVars(std::string data){
} }
} }
/// Sends data as HTTP/1.1 bodypart to conn. /// Converts a string to chunked format if protocol is HTTP/1.1 - does nothing otherwise.
/// HTTP/1.1 chunked encoding is automatically applied if needed. /// \param bodypart The data to convert - will be converted in-place.
/// \param conn The Socket::Connection to send the part over. void HTTP::Parser::Chunkify(std::string & bodypart){
/// \param buffer The buffer to send.
/// \param len The length of the buffer.
void HTTP::Parser::SendBodyPart(Socket::Connection & conn, char * buffer, int len){
std::string tmp;
tmp.append(buffer, len);
SendBodyPart(conn, tmp);
}
/// Sends data as HTTP/1.1 bodypart to conn.
/// HTTP/1.1 chunked encoding is automatically applied if needed.
/// \param conn The Socket::Connection to send the part over.
/// \param bodypart The data to send.
void HTTP::Parser::SendBodyPart(Socket::Connection & conn, std::string bodypart){
if (protocol == "HTTP/1.1"){ if (protocol == "HTTP/1.1"){
static char len[10]; static char len[10];
int sizelen; int sizelen = snprintf(len, 10, "%x\r\n", (unsigned int)bodypart.size());
sizelen = snprintf(len, 10, "%x\r\n", (unsigned int)bodypart.size()); //prepend the chunk size and \r\n
conn.write(len, sizelen); bodypart.insert(0, len, sizelen);
conn.write(bodypart); //append \r\n
conn.write(len+sizelen-2, 2); bodypart.append("\r\n", 2);
}else{
conn.write(bodypart);
} }
} }

13
lib/http_parser.h
View file

@ -6,7 +6,6 @@
#include <string> #include <string>
#include <stdlib.h> #include <stdlib.h>
#include <stdio.h> #include <stdio.h>
#include "socket.h"
/// Holds all HTTP processing related code. /// Holds all HTTP processing related code.
namespace HTTP{ namespace HTTP{
@ -14,8 +13,7 @@ namespace HTTP{
class Parser{ class Parser{
public: public:
Parser(); Parser();
bool Read(Socket::Connection & sock, bool nonblock = true); bool Read(std::string & strbuf);
bool Read(FILE * F);
std::string GetHeader(std::string i); std::string GetHeader(std::string i);
std::string GetVar(std::string i); std::string GetVar(std::string i);
void SetHeader(std::string i, std::string v); void SetHeader(std::string i, std::string v);
@ -25,11 +23,8 @@ namespace HTTP{
void SetBody(char * buffer, int len); void SetBody(char * buffer, int len);
std::string BuildRequest(); std::string BuildRequest();
std::string BuildResponse(std::string code, std::string message); std::string BuildResponse(std::string code, std::string message);
void SendResponse(Socket::Connection & conn, std::string code, std::string message); void Chunkify(std::string & bodypart);
void SendBodyPart(Socket::Connection & conn, char * buffer, int len);
void SendBodyPart(Socket::Connection & conn, std::string bodypart);
void Clean(); void Clean();
bool CleanForNext();
static std::string urlunescape(const std::string & in); static std::string urlunescape(const std::string & in);
static std::string urlencode(const std::string & in); static std::string urlencode(const std::string & in);
std::string body; std::string body;
@ -40,9 +35,9 @@ namespace HTTP{
private: private:
bool seenHeaders; bool seenHeaders;
bool seenReq; bool seenReq;
bool parse(); bool parse(std::string & HTTPbuffer);
void parseVars(std::string data); void parseVars(std::string data);
std::string HTTPbuffer; std::string read_buffer;
std::map<std::string, std::string> headers; std::map<std::string, std::string> headers;
std::map<std::string, std::string> vars; std::map<std::string, std::string> vars;
void Trim(std::string & s); void Trim(std::string & s);

209
src/conn_http.cpp
View file

@ -32,6 +32,7 @@ namespace Connector_HTTP{
/// Returns AMF-format metadata for Adobe HTTP Dynamic Streaming. /// Returns AMF-format metadata for Adobe HTTP Dynamic Streaming.
std::string GetMetaData( ) { std::string GetMetaData( ) {
/// \todo Make this actually do what it should - even though it seems to be ignored completely by all media players.
AMF::Object amfreply("container", AMF::AMF0_DDV_CONTAINER); AMF::Object amfreply("container", AMF::AMF0_DDV_CONTAINER);
amfreply.addContent(AMF::Object("onMetaData",AMF::AMF0_STRING)); amfreply.addContent(AMF::Object("onMetaData",AMF::AMF0_STRING));
amfreply.addContent(AMF::Object("",AMF::AMF0_ECMA_ARRAY)); amfreply.addContent(AMF::Object("",AMF::AMF0_ECMA_ARRAY));
@ -95,31 +96,32 @@ namespace Connector_HTTP{
void Progressive(FLV::Tag & tag, HTTP::Parser HTTP_S, Socket::Connection & conn, DTSC::Stream & Strm){ void Progressive(FLV::Tag & tag, HTTP::Parser HTTP_S, Socket::Connection & conn, DTSC::Stream & Strm){
static bool progressive_has_sent_header = false; static bool progressive_has_sent_header = false;
if (!progressive_has_sent_header){ if (!progressive_has_sent_header){
HTTP_S.Clean();//troep opruimen die misschien aanwezig is... HTTP_S.Clean();//make sure no parts of old requests are left in any buffers
HTTP_S.SetHeader("Content-Type", "video/x-flv");//FLV files hebben altijd dit content-type. HTTP_S.SetHeader("Content-Type", "video/x-flv");//Send the correct content-type for FLV files
//HTTP_S.SetHeader("Transfer-Encoding", "chunked"); //HTTP_S.SetHeader("Transfer-Encoding", "chunked");
HTTP_S.protocol = "HTTP/1.0"; HTTP_S.protocol = "HTTP/1.0";
HTTP_S.SendResponse(conn, "200", "OK");//geen SetBody = unknown length! Dat willen we hier. conn.Send(HTTP_S.BuildResponse("200", "OK"));//no SetBody = unknown length - this is intentional, we will stream the entire file
//HTTP_S.SendBodyPart(CONN_fd, FLVHeader, 13);//schrijf de FLV header conn.Send(std::string(FLV::Header, 13));//write FLV header
conn.write(FLV::Header, 13);
static FLV::Tag tmp; static FLV::Tag tmp;
//write metadata
tmp.DTSCMetaInit(Strm); tmp.DTSCMetaInit(Strm);
conn.write(tmp.data, tmp.len); conn.Send(std::string(tmp.data, tmp.len));
//write video init data, if needed
if (Strm.metadata.getContentP("video") && Strm.metadata.getContentP("video")->getContentP("init")){ if (Strm.metadata.getContentP("video") && Strm.metadata.getContentP("video")->getContentP("init")){
tmp.DTSCVideoInit(Strm); tmp.DTSCVideoInit(Strm);
conn.write(tmp.data, tmp.len); conn.Send(std::string(tmp.data, tmp.len));
} }
//write audio init data, if needed
if (Strm.metadata.getContentP("audio") && Strm.metadata.getContentP("audio")->getContentP("init")){ if (Strm.metadata.getContentP("audio") && Strm.metadata.getContentP("audio")->getContentP("init")){
tmp.DTSCAudioInit(Strm); tmp.DTSCAudioInit(Strm);
conn.write(tmp.data, tmp.len); conn.Send(std::string(tmp.data, tmp.len));
} }
progressive_has_sent_header = true; progressive_has_sent_header = true;
#if DEBUG >= 1 #if DEBUG >= 1
fprintf(stderr, "Sent progressive FLV header\n"); fprintf(stderr, "Sent progressive FLV header\n");
#endif #endif
} }
//HTTP_S.SendBodyPart(CONN_fd, tag->data, tag->len);//schrijf deze FLV tag onbewerkt weg conn.Send(std::string(tag.data, tag.len));//write the tag contents
conn.write(tag.data, tag.len);
} }
/// Handles Flash Dynamic HTTP streaming requests /// Handles Flash Dynamic HTTP streaming requests
@ -129,6 +131,9 @@ namespace Connector_HTTP{
if (Strm.getPacket(0).getContentP("keyframe")){ if (Strm.getPacket(0).getContentP("keyframe")){
if (FlashBuf != ""){ if (FlashBuf != ""){
Flash_FragBuffer.push(FlashBuf); Flash_FragBuffer.push(FlashBuf);
while (Flash_FragBuffer.size() > 2){
Flash_FragBuffer.pop();
}
#if DEBUG >= 4 #if DEBUG >= 4
fprintf(stderr, "Received a fragment. Now %i in buffer.\n", (int)Flash_FragBuffer.size()); fprintf(stderr, "Received a fragment. Now %i in buffer.\n", (int)Flash_FragBuffer.size());
#endif #endif
@ -165,96 +170,102 @@ namespace Connector_HTTP{
int temp; int temp;
int Flash_RequestPending = 0; int Flash_RequestPending = 0;
unsigned int lastStats = 0; unsigned int lastStats = 0;
//int CurrentFragment = -1; later herbruiken? conn.setBlocking(false);//do not block on conn.spool() when no data is available
while (conn.connected()){ while (conn.connected()){
//only parse input if available or not yet init'ed //only parse input if available or not yet init'ed
if (HTTP_R.Read(conn, ready4data)){ if (conn.spool()){
handler = HANDLER_PROGRESSIVE; if (HTTP_R.Read(conn.Received())){
#if DEBUG >= 4 handler = HANDLER_PROGRESSIVE;
std::cout << "Received request: " << HTTP_R.url << std::endl; #if DEBUG >= 4
#endif std::cout << "Received request: " << HTTP_R.url << std::endl;
if ((HTTP_R.url.find("Seg") != std::string::npos) && (HTTP_R.url.find("Frag") != std::string::npos)){handler = HANDLER_FLASH;}
if (HTTP_R.url.find("f4m") != std::string::npos){handler = HANDLER_FLASH;}
if (HTTP_R.url == "/crossdomain.xml"){
handler = HANDLER_NONE;
HTTP_S.Clean();
HTTP_S.SetHeader("Content-Type", "text/xml");
HTTP_S.SetBody("<?xml version=\"1.0\"?><!DOCTYPE cross-domain-policy SYSTEM \"http://www.adobe.com/xml/dtds/cross-domain-policy.dtd\"><cross-domain-policy><allow-access-from domain=\"*\" /><site-control permitted-cross-domain-policies=\"all\"/></cross-domain-policy>");
HTTP_S.SendResponse(conn, "200", "OK");
#if DEBUG >= 3
printf("Sending crossdomain.xml file\n");
#endif #endif
} if ((HTTP_R.url.find("Seg") != std::string::npos) && (HTTP_R.url.find("Frag") != std::string::npos)){handler = HANDLER_FLASH;}
if (HTTP_R.url.length() > 10 && HTTP_R.url.substr(0, 7) == "/embed_" && HTTP_R.url.substr(HTTP_R.url.length() - 3, 3) == ".js"){ if (HTTP_R.url.find("f4m") != std::string::npos){handler = HANDLER_FLASH;}
streamname = HTTP_R.url.substr(7, HTTP_R.url.length() - 10); if (HTTP_R.url == "/crossdomain.xml"){
JSON::Value ServConf = JSON::fromFile("/tmp/mist/streamlist"); handler = HANDLER_NONE;
std::string response;
handler = HANDLER_NONE;
HTTP_S.Clean();
HTTP_S.SetHeader("Content-Type", "application/javascript");
response = "// Generating embed code for stream " + streamname + "\n\n";
if (ServConf["streams"].isMember(streamname)){
std::string streamurl = "http://" + HTTP_S.GetHeader("Host") + "/" + streamname + ".flv";
response += "// Stream URL: " + streamurl + "\n\n";
response += "document.write('<object width=\"600\" height=\"409\"><param name=\"movie\" value=\"http://fpdownload.adobe.com/strobe/FlashMediaPlayback.swf\"></param><param name=\"flashvars\" value=\"src="+HTTP::Parser::urlencode(streamurl)+"&controlBarMode=floating\"></param><param name=\"allowFullScreen\" value=\"true\"></param><param name=\"allowscriptaccess\" value=\"always\"></param><embed src=\"http://fpdownload.adobe.com/strobe/FlashMediaPlayback.swf\" type=\"application/x-shockwave-flash\" allowscriptaccess=\"always\" allowfullscreen=\"true\" width=\"600\" height=\"409\" flashvars=\"src="+HTTP::Parser::urlencode(streamurl)+"&controlBarMode=floating\"></embed></object>');\n";
}else{
response += "// Stream not available at this server.\nalert(\"This stream is currently not available at this server.\\\\nPlease try again later!\");";
}
response += "";
HTTP_S.SetBody(response);
HTTP_S.SendResponse(conn, "200", "OK");
#if DEBUG >= 3
printf("Sending embed code for %s\n", streamname.c_str());
#endif
}
if (handler == HANDLER_FLASH){
if (HTTP_R.url.find("f4m") == std::string::npos){
Movie = HTTP_R.url.substr(1);
Movie = Movie.substr(0,Movie.find("/"));
Quality = HTTP_R.url.substr( HTTP_R.url.find("/",1)+1 );
Quality = Quality.substr(0, Quality.find("Seg"));
temp = HTTP_R.url.find("Seg") + 3;
Segment = atoi( HTTP_R.url.substr(temp,HTTP_R.url.find("-",temp)-temp).c_str());
temp = HTTP_R.url.find("Frag") + 4;
ReqFragment = atoi( HTTP_R.url.substr(temp).c_str() );
#if DEBUG >= 4
printf( "Quality: %s, Seg %d Frag %d\n", Quality.c_str(), Segment, ReqFragment);
#endif
Flash_RequestPending++;
}else{
Movie = HTTP_R.url.substr(1);
Movie = Movie.substr(0,Movie.find("/"));
HTTP_S.Clean(); HTTP_S.Clean();
HTTP_S.SetHeader("Content-Type","text/xml"); HTTP_S.SetHeader("Content-Type", "text/xml");
HTTP_S.SetHeader("Cache-Control","no-cache"); HTTP_S.SetBody("<?xml version=\"1.0\"?><!DOCTYPE cross-domain-policy SYSTEM \"http://www.adobe.com/xml/dtds/cross-domain-policy.dtd\"><cross-domain-policy><allow-access-from domain=\"*\" /><site-control permitted-cross-domain-policies=\"all\"/></cross-domain-policy>");
std::string manifest = BuildManifest(Movie); conn.Send(HTTP_S.BuildResponse("200", "OK"));
#if DEBUG >= 4
printf("Manifest: %s\n", manifest.c_str());
#endif
HTTP_S.SetBody(manifest);
HTTP_S.SendResponse(conn, "200", "OK");
#if DEBUG >= 3 #if DEBUG >= 3
printf("Sent manifest\n"); printf("Sending crossdomain.xml file\n");
#endif #endif
} }
#if DEBUG >= 4 if (HTTP_R.url.length() > 10 && HTTP_R.url.substr(0, 7) == "/embed_" && HTTP_R.url.substr(HTTP_R.url.length() - 3, 3) == ".js"){
printf( "Movie: %s\n", Movie.c_str()); streamname = HTTP_R.url.substr(7, HTTP_R.url.length() - 10);
JSON::Value ServConf = JSON::fromFile("/tmp/mist/streamlist");
std::string response;
handler = HANDLER_NONE;
HTTP_S.Clean();
HTTP_S.SetHeader("Content-Type", "application/javascript");
response = "// Generating embed code for stream " + streamname + "\n\n";
if (ServConf["streams"].isMember(streamname)){
std::string streamurl = "http://" + HTTP_S.GetHeader("Host") + "/" + streamname + ".flv";
response += "// Stream URL: " + streamurl + "\n\n";
response += "document.write('<object width=\"600\" height=\"409\"><param name=\"movie\" value=\"http://fpdownload.adobe.com/strobe/FlashMediaPlayback.swf\"></param><param name=\"flashvars\" value=\"src="+HTTP::Parser::urlencode(streamurl)+"&controlBarMode=floating\"></param><param name=\"allowFullScreen\" value=\"true\"></param><param name=\"allowscriptaccess\" value=\"always\"></param><embed src=\"http://fpdownload.adobe.com/strobe/FlashMediaPlayback.swf\" type=\"application/x-shockwave-flash\" allowscriptaccess=\"always\" allowfullscreen=\"true\" width=\"600\" height=\"409\" flashvars=\"src="+HTTP::Parser::urlencode(streamurl)+"&controlBarMode=floating\"></embed></object>');\n";
}else{
response += "// Stream not available at this server.\nalert(\"This stream is currently not available at this server.\\\\nPlease try again later!\");";
}
response += "";
HTTP_S.SetBody(response);
conn.Send(HTTP_S.BuildResponse("200", "OK"));
#if DEBUG >= 3
printf("Sending embed code for %s\n", streamname.c_str());
#endif
}
if (handler == HANDLER_FLASH){
if (HTTP_R.url.find("f4m") == std::string::npos){
Movie = HTTP_R.url.substr(1);
Movie = Movie.substr(0,Movie.find("/"));
Quality = HTTP_R.url.substr( HTTP_R.url.find("/",1)+1 );
Quality = Quality.substr(0, Quality.find("Seg"));
temp = HTTP_R.url.find("Seg") + 3;
Segment = atoi( HTTP_R.url.substr(temp,HTTP_R.url.find("-",temp)-temp).c_str());
temp = HTTP_R.url.find("Frag") + 4;
ReqFragment = atoi( HTTP_R.url.substr(temp).c_str() );
#if DEBUG >= 4
printf( "Quality: %s, Seg %d Frag %d\n", Quality.c_str(), Segment, ReqFragment);
#endif
Flash_RequestPending++;
}else{
Movie = HTTP_R.url.substr(1);
Movie = Movie.substr(0,Movie.find("/"));
HTTP_S.Clean();
HTTP_S.SetHeader("Content-Type","text/xml");
HTTP_S.SetHeader("Cache-Control","no-cache");
std::string manifest = BuildManifest(Movie);
#if DEBUG >= 4
printf("Manifest: %s\n", manifest.c_str());
#endif
HTTP_S.SetBody(manifest);
conn.Send(HTTP_S.BuildResponse("200", "OK"));
#if DEBUG >= 3
printf("Sent manifest\n");
#endif
}
#if DEBUG >= 4
printf( "Movie: %s\n", Movie.c_str());
#endif
streamname = Movie;
ready4data = true;
}//FLASH handler
if (handler == HANDLER_PROGRESSIVE){
//we assume the URL is the stream name with a 3 letter extension
std::string extension = HTTP_R.url.substr(HTTP_R.url.size()-4);
streamname = HTTP_R.url.substr(0, HTTP_R.url.size()-4);//strip the extension
/// \todo VoD streams will need support for position reading from the URL parameters
ready4data = true;
#if DEBUG >= 4
printf( "Opening progressive stream: %s\n", streamname.c_str());
#endif
}//PROGRESSIVE handler
HTTP_R.Clean(); //clean for any possinble next requests
}else{
#if DEBUG >= 3
fprintf(stderr, "Could not parse the following:\n%s\n", conn.Received().c_str());
#endif #endif
streamname = Movie; }
ready4data = true;
}//FLASH handler
if (handler == HANDLER_PROGRESSIVE){
//we assume the URL is the stream name with a 3 letter extension
std::string extension = HTTP_R.url.substr(HTTP_R.url.size()-4);
streamname = HTTP_R.url.substr(0, HTTP_R.url.size()-4);//strip the extension
/// \todo VoD streams will need support for position reading from the URL parameters
ready4data = true;
#if DEBUG >= 4
printf( "Opening progressive stream: %s\n", streamname.c_str());
#endif
}//PROGRESSIVE handler
HTTP_R.CleanForNext(); //clean for any possinble next requests
} }
if (ready4data){ if (ready4data){
if (!inited){ if (!inited){
@ -277,22 +288,18 @@ namespace Connector_HTTP{
HTTP_S.SetHeader("Content-Type","video/mp4"); HTTP_S.SetHeader("Content-Type","video/mp4");
HTTP_S.SetBody(MP4::mdatFold(Flash_FragBuffer.front())); HTTP_S.SetBody(MP4::mdatFold(Flash_FragBuffer.front()));
Flash_FragBuffer.pop(); Flash_FragBuffer.pop();
HTTP_S.SendResponse(conn, "200", "OK");//schrijf de HTTP response header conn.Send(HTTP_S.BuildResponse("200", "OK"));
Flash_RequestPending--; Flash_RequestPending--;
#if DEBUG >= 3 #if DEBUG >= 3
fprintf(stderr, "Sending a video fragment. %i left in buffer, %i requested\n", (int)Flash_FragBuffer.size(), Flash_RequestPending); fprintf(stderr, "Sending a video fragment. %i left in buffer, %i requested\n", (int)Flash_FragBuffer.size(), Flash_RequestPending);
#endif #endif
} }
if (inited){ unsigned int now = time(0);
unsigned int now = time(0); if (now != lastStats){
if (now != lastStats){ lastStats = now;
lastStats = now; ss.Send("S "+conn.getStats("HTTP"));
std::string stat = "S "+conn.getStats("HTTP");
ss.write(stat);
}
} }
if (ss.canRead()){ if (ss.spool() || ss.Received() != ""){
ss.spool();
if (Strm.parsePacket(ss.Received())){ if (Strm.parsePacket(ss.Received())){
tag.DTSCLoader(Strm); tag.DTSCLoader(Strm);
if (handler == HANDLER_FLASH){ if (handler == HANDLER_FLASH){

147
src/controller.cpp
View file

@ -88,7 +88,6 @@ void WriteFile( std::string Filename, std::string contents ) {
class ConnectedUser{ class ConnectedUser{
public: public:
std::string writebuffer;
Socket::Connection C; Socket::Connection C;
HTTP::Parser H; HTTP::Parser H;
bool Authorized; bool Authorized;
@ -439,7 +438,7 @@ int main(int argc, char ** argv){
uplink->H.Clean(); uplink->H.Clean();
uplink->H.SetBody("command="+HTTP::Parser::urlencode(Response.toString())); uplink->H.SetBody("command="+HTTP::Parser::urlencode(Response.toString()));
uplink->H.BuildRequest(); uplink->H.BuildRequest();
uplink->writebuffer += uplink->H.BuildResponse("200", "OK"); uplink->C.Send(uplink->H.BuildResponse("200", "OK"));
uplink->H.Clean(); uplink->H.Clean();
//Log("UPLK", "Sending server data to uplink."); //Log("UPLK", "Sending server data to uplink.");
}else{ }else{
@ -459,8 +458,7 @@ int main(int argc, char ** argv){
buffers.erase(it); buffers.erase(it);
break; break;
} }
it->spool(); if (it->spool()){
if (it->Received() != ""){
size_t newlines = it->Received().find("\n\n"); size_t newlines = it->Received().find("\n\n");
while (newlines != std::string::npos){ while (newlines != std::string::npos){
Request = it->Received().substr(0, newlines); Request = it->Received().substr(0, newlines);
@ -489,85 +487,84 @@ int main(int argc, char ** argv){
users.erase(it); users.erase(it);
break; break;
} }
if (it->writebuffer != ""){ if (it->C.spool()){
it->C.iwrite(it->writebuffer); if (it->H.Read(it->C.Received())){
} Response.null(); //make sure no data leaks from previous requests
if (it->H.Read(it->C)){ if (it->clientMode){
Response.null(); //make sure no data leaks from previous requests // In clientMode, requests are reversed. These are connections we initiated to GearBox.
if (it->clientMode){ // They are assumed to be authorized, but authorization to gearbox is still done.
// In clientMode, requests are reversed. These are connections we initiated to GearBox. // This authorization uses the compiled-in username and password (account).
// They are assumed to be authorized, but authorization to gearbox is still done. Request = JSON::fromString(it->H.body);
// This authorization uses the compiled-in username and password (account). if (Request["authorize"]["status"] != "OK"){
Request = JSON::fromString(it->H.body); if (Request["authorize"].isMember("challenge")){
if (Request["authorize"]["status"] != "OK"){ it->logins++;
if (Request["authorize"].isMember("challenge")){ if (it->logins > 2){
it->logins++; Log("UPLK", "Max login attempts passed - dropping connection to uplink.");
if (it->logins > 2){ it->C.close();
Log("UPLK", "Max login attempts passed - dropping connection to uplink."); }else{
it->C.close(); Response["config"] = Storage["config"];
}else{ Response["streams"] = Storage["streams"];
Response["config"] = Storage["config"]; Response["log"] = Storage["log"];
Response["streams"] = Storage["streams"]; Response["statistics"] = Storage["statistics"];
Response["log"] = Storage["log"]; Response["authorize"]["username"] = TOSTRING(COMPILED_USERNAME);
Response["statistics"] = Storage["statistics"]; Log("UPLK", "Responding to login challenge: " + (std::string)Request["authorize"]["challenge"]);
Response["authorize"]["username"] = TOSTRING(COMPILED_USERNAME); Response["authorize"]["password"] = md5(TOSTRING(COMPILED_PASSWORD) + (std::string)Request["authorize"]["challenge"]);
Log("UPLK", "Responding to login challenge: " + (std::string)Request["authorize"]["challenge"]); it->H.Clean();
Response["authorize"]["password"] = md5(TOSTRING(COMPILED_PASSWORD) + (std::string)Request["authorize"]["challenge"]); it->H.SetBody("command="+HTTP::Parser::urlencode(Response.toString()));
it->H.Clean(); it->H.BuildRequest();
it->H.SetBody("command="+HTTP::Parser::urlencode(Response.toString())); it->C.Send(it->H.BuildResponse("200", "OK"));
it->H.BuildRequest(); it->H.Clean();
it->writebuffer += it->H.BuildResponse("200", "OK"); Log("UPLK", "Attempting login to uplink.");
it->H.Clean(); }
Log("UPLK", "Attempting login to uplink."); }
}else{
if (Request.isMember("config")){CheckConfig(Request["config"], Storage["config"]);}
if (Request.isMember("streams")){CheckStreams(Request["streams"], Storage["streams"]);}
if (Request.isMember("clearstatlogs")){
Storage["log"].null();
Storage["statistics"].null();
} }
} }
}else{ }else{
if (Request.isMember("config")){CheckConfig(Request["config"], Storage["config"]);} Request = JSON::fromString(it->H.GetVar("command"));
if (Request.isMember("streams")){CheckStreams(Request["streams"], Storage["streams"]);} std::cout << "Request: " << Request.toString() << std::endl;
if (Request.isMember("clearstatlogs")){ Authorize(Request, Response, (*it));
if (it->Authorized){
//Parse config and streams from the request.
if (Request.isMember("config")){CheckConfig(Request["config"], Storage["config"]);}
if (Request.isMember("streams")){CheckStreams(Request["streams"], Storage["streams"]);}
if (Request.isMember("save")){
WriteFile("config.json", Storage.toString());
Log("CONF", "Config written to file on request through API");
}
//sent current configuration, no matter if it was changed or not
//Response["streams"] = Storage["streams"];
Response["config"] = Storage["config"];
Response["streams"] = Storage["streams"];
//add required data to the current unix time to the config, for syncing reasons
Response["config"]["time"] = (long long int)time(0);
if (!Response["config"].isMember("serverid")){Response["config"]["serverid"] = "";}
//sent any available logs and statistics
Response["log"] = Storage["log"];
Response["statistics"] = Storage["statistics"];
//clear log and statistics to prevent useless data transfer
Storage["log"].null(); Storage["log"].null();
Storage["statistics"].null(); Storage["statistics"].null();
} }
} jsonp = "";
}else{ if (it->H.GetVar("callback") != ""){jsonp = it->H.GetVar("callback");}
Request = JSON::fromString(it->H.GetVar("command")); if (it->H.GetVar("jsonp") != ""){jsonp = it->H.GetVar("jsonp");}
std::cout << "Request: " << Request.toString() << std::endl; it->H.Clean();
Authorize(Request, Response, (*it)); it->H.protocol = "HTTP/1.0";
if (it->Authorized){ it->H.SetHeader("Content-Type", "text/javascript");
//Parse config and streams from the request. if (jsonp == ""){
if (Request.isMember("config")){CheckConfig(Request["config"], Storage["config"]);} it->H.SetBody(Response.toString()+"\n\n");
if (Request.isMember("streams")){CheckStreams(Request["streams"], Storage["streams"]);} }else{
if (Request.isMember("save")){ it->H.SetBody(jsonp+"("+Response.toString()+");\n\n");
WriteFile("config.json", Storage.toString());
Log("CONF", "Config written to file on request through API");
} }
//sent current configuration, no matter if it was changed or not it->C.Send(it->H.BuildResponse("200", "OK"));
//Response["streams"] = Storage["streams"]; it->H.Clean();
Response["config"] = Storage["config"];
Response["streams"] = Storage["streams"];
//add required data to the current unix time to the config, for syncing reasons
Response["config"]["time"] = (long long int)time(0);
if (!Response["config"].isMember("serverid")){Response["config"]["serverid"] = "";}
//sent any available logs and statistics
Response["log"] = Storage["log"];
Response["statistics"] = Storage["statistics"];
//clear log and statistics to prevent useless data transfer
Storage["log"].null();
Storage["statistics"].null();
} }
jsonp = "";
if (it->H.GetVar("callback") != ""){jsonp = it->H.GetVar("callback");}
if (it->H.GetVar("jsonp") != ""){jsonp = it->H.GetVar("jsonp");}
it->H.Clean();
it->H.protocol = "HTTP/1.0";
it->H.SetHeader("Content-Type", "text/javascript");
if (jsonp == ""){
it->H.SetBody(Response.toString()+"\n\n");
}else{
it->H.SetBody(jsonp+"("+Response.toString()+");\n\n");
}
it->writebuffer += it->H.BuildResponse("200", "OK");
it->H.Clean();
} }
} }
} }