//Parses the request
QTSS_Error RTSPRequest::Parse()
{
StringParser parser(this->GetValue(qtssRTSPReqFullRequest));
Assert(this->GetValue(qtssRTSPReqFullRequest)->Ptr != NULL);
//parse status line.
QTSS_Error error = ParseFirstLine(parser);
//handle any errors that come up
if (error != QTSS_NoErr)
return error;
error = this->ParseHeaders(parser);
if (error != QTSS_NoErr)
return error;
//Response headers should set themselves up to reflect what's in the request headers
fResponseKeepAlive = fRequestKeepAlive;
//Make sure that there was some path that was extracted from this request. If not, there is no way
//we can process the request, so generate an error
if (this->GetValue(qtssRTSPReqFilePath)->Len == 0)
return QTSSModuleUtils::SendErrorResponse(this, qtssClientBadRequest, qtssMsgNoURLInRequest,this->GetValue(qtssRTSPReqFullRequest));
return QTSS_NoErr;
}
bool BaseHTTPProtocol::ParseHeaders(IOBuffer& buffer) {
//1. We have to have at least 4 bytes (double \r\n)
if (GETAVAILABLEBYTESCOUNT(buffer) < 4) {
return true;
}
//2. Detect the headers boundaries
uint32_t headersSize = 0;
bool markerFound = false;
uint8_t *pBuffer = GETIBPOINTER(buffer);
for (uint32_t i = 0; i <= GETAVAILABLEBYTESCOUNT(buffer) - 4; i++) {
if ((pBuffer[i] == 0x0d)
&& (pBuffer[i + 1] == 0x0a)
&& (pBuffer[i + 2] == 0x0d)
&& (pBuffer[i + 3] == 0x0a)) {
markerFound = true;
headersSize = i;
break;
}
if (i >= HTTP_MAX_HEADERS_SIZE) {
FATAL("Headers section too long");
return false;
}
}
//3. Are the boundaries correct?
//Do we have enough data to parse the headers?
if (headersSize == 0) {
if (markerFound)
return false;
else
return true;
}
//4. Get the raw headers and plit it into lines
string rawHeaders = string((char *) GETIBPOINTER(buffer), headersSize);
vector<string> lines;
split(rawHeaders, "\r\n", lines);
if (lines.size() == 0) {
FATAL("Incorrect HTTP request");
return false;
}
//4. Get the fisrt line and parse it. This is either a status code
//for a previous request made by us, or the request that we just received
if (!ParseFirstLine(lines[0], _headers[HTTP_FIRST_LINE])) {
FATAL("Unable to parse the first line");
return false;
}
//5. Consider the rest of the lines as key: value pairs and store them
//0. Reset the headers
_headers[HTTP_HEADERS].IsArray(false);
for (uint32_t i = 1; i < lines.size(); i++) {
string line = lines[i];
string::size_type splitterPos = line.find(": ");
if ((splitterPos == string::npos)
|| (splitterPos == 0)
|| (splitterPos == line.size() - 2)) {
FATAL("Invalid header line");
return false;
}
_headers[HTTP_HEADERS][line.substr(0, splitterPos)] = line.substr(splitterPos + 2, string::npos);
}
//6. default a transfer type to Content-Length: 0 if necessary
if ((!_headers[HTTP_HEADERS].HasKey(HTTP_HEADERS_CONTENT_LENGTH, false)) &&
(!_headers[HTTP_HEADERS].HasKey(HTTP_HEADERS_TRANSFER_ENCODING, false))) {
_headers[HTTP_HEADERS][HTTP_HEADERS_CONTENT_LENGTH] = "0";
}
//7. read the transfer type and set this request or response flags
if (_headers[HTTP_HEADERS].HasKey(HTTP_HEADERS_CONTENT_LENGTH, false)) {
string contentLengthString = _headers[HTTP_HEADERS].GetValue(
HTTP_HEADERS_CONTENT_LENGTH, false);
replace(contentLengthString, " ", "");
if (!isNumeric(contentLengthString)) {
FATAL("Invalid HTTP headers:\n%s", STR(_headers.ToString()));
return false;
}
_contentLength = atoi(STR(contentLengthString));
_chunkedContent = false;
_lastChunk = false;
} else if (_headers[HTTP_HEADERS].HasKey(HTTP_HEADERS_TRANSFER_ENCODING, false)) {
if (lowerCase(_headers[HTTP_HEADERS].GetValue(HTTP_HEADERS_TRANSFER_ENCODING, false)) !=
lowerCase(HTTP_HEADERS_TRANSFER_ENCODING_CHUNKED)) {
FATAL("The only supported %s is %s",
HTTP_HEADERS_TRANSFER_ENCODING,
HTTP_HEADERS_TRANSFER_ENCODING_CHUNKED);
return false;
}
_chunkedContent = true;
_lastChunk = false;
_contentLength = 0;
}
//7. Advance the state and ignore the headers part from the buffer
_state = HTTP_STATE_PAYLOAD;
buffer.Ignore(headersSize + 4);
return Authenticate();
}
int DataHttpParser::ParseData(const char* buffer, int len) {
int ret = 0;
int recvLen = (len < MAX_BUFFER_LEN - mIndex)?len:MAX_BUFFER_LEN - mIndex;
if( recvLen > 0 ) {
memcpy(mBuffer + mIndex, buffer, recvLen);
mIndex += recvLen;
mBuffer[mIndex + 1] = '\0';
} else {
return -1;
}
// printf("# DataHttpParser::ParseData( mbReceiveHeaderFinish : %s ) \n", mbReceiveHeaderFinish?"true":"false");
if( !mbReceiveHeaderFinish ) {
string headers = mBuffer;
int headerIndex = 0;
string::size_type pos = headers.find("\r\n\r\n");
if( pos != string::npos ) {
mbReceiveHeaderFinish = true;
headerIndex = pos + strlen("\r\n\r\n");
// Read first line
pos = headers.find("\r\n");
if( pos != string::npos ) {
string firstLine = headers.substr(0, pos);
char firstLineBuff[4096];
strcpy(firstLineBuff, firstLine.c_str());
// LogManager::GetLogManager()->Log(
// LOG_MSG,
// "DataHttpParser::ParseData( "
// "headerIndex : %d, "
// "headers : %s "
// ")",
// headerIndex,
// headers.c_str()
// );
// headers = headers.substr(pos + strlen("\r\n"), headers.length() - (pos + strlen("\r\n")));
if( ParseFirstLine(firstLineBuff) ) {
string header;
string::size_type posStart, posEnd;
string::size_type posPre = pos + strlen("\r\n");
// Get all headers
pos = headers.find("\r\n", posPre);
while( pos != string::npos ) {
header = headers.substr(posPre, pos - posPre);
LogManager::GetLogManager()->Log(
LOG_MSG,
"DataHttpParser::ParseData( "
"header : %s "
")",
header.c_str()
);
if( header.length() > 0 ) {
// Get Host
posStart = header.find("Host: ");
if( posStart != string::npos ) {
mHost = header.substr(posStart + strlen("Host: "), header.length() - (posStart + strlen("Host:")));
// printf("# DataHttpParser::ParseData( Host: %s ) \n", mHost.c_str());
}
// Get Content-Length
posStart = header.find("Content-Length: ");
if( posStart != string::npos ) {
string contentLength = header.substr(posStart + strlen("Content-Length: "), header.length() - (posStart + strlen("Content-Length:")));
// LogManager::GetLogManager()->Log(
// LOG_MSG,
// "DataHttpParser::ParseData( "
// "Content-Length: %s "
// ")",
// contentLength.c_str()
// );
miContentLength = atoi(contentLength.c_str());
}
mHeaders.push_back(header);
}
posPre = pos + strlen("\r\n");
pos = headers.find("\r\n", posPre);
}
}
}
if( mIndex >= headerIndex ) {
mIndex -= headerIndex;
if( mIndex > 0 ) {
memcpy(mBuffer, mBuffer + headerIndex, mIndex);
}
mBuffer[mIndex] = '\0';
}
}
}
// Receive all body
if( mbReceiveHeaderFinish ) {
LogManager::GetLogManager()->Log(
LOG_MSG,
"DataHttpParser::ParseData( "
"miContentLength : %d, "
"mIndex : %d "
")",
miContentLength,
mIndex
);
if( miContentLength == -1 || (mIndex == miContentLength) ) {
ret = 1;
}
}
return ret;
}
int WSClientParser::ParseData(char* buffer, int len) {
switch_log_printf(
SWITCH_CHANNEL_UUID_LOG(this->uuid),
SWITCH_LOG_DEBUG,
"WSClientParser::ParseData( "
"this : %p, "
"len : %d "
// "buffer : \n%s\n"
") \n",
this,
len
// buffer
);
int ret = 0;
// DataParser::ParseData(NULL, len);
Lock();
switch( mState ) {
case WSClientState_UnKnow:{
int lineNumber = 0;
char line[HTTP_URL_MAX_PATH];
int lineLen = 0;
const char* header = buffer;
const char* sepHeader = strstr(buffer, HTTP_HEADER_SEP);
const char* sep = NULL;
if( sepHeader ) {
switch_log_printf(
SWITCH_CHANNEL_UUID_LOG(this->uuid),
SWITCH_LOG_INFO,
"WSClientParser::ParseData( "
"[HandShake], "
"this : %p, "
"len : %d, "
"buffer : \n%s\n"
") \n",
this,
len,
buffer
);
// Parse HTTP header separator
ret = sepHeader - buffer + strlen(HTTP_HEADER_SEP);
// Parse HTTP header line separator
while( true ) {
if( (sep = strstr(header, HTTP_LINE_SEP)) && sep != sepHeader ) {
lineLen = sep - header;
if( lineLen < sizeof(line) - 1 ) {
memcpy(line, header, lineLen);
line[lineLen] = '\0';
if( lineNumber == 0 ) {
// Get First Line
if( !ParseFirstLine(line) ) {
break;
}
} else {
ParseHeader(line);
if( CheckHandShake() ) {
break;
}
}
}
header += lineLen + strlen(HTTP_LINE_SEP);
lineNumber++;
} else {
break;
}
}
}
if( mState == WSClientState_Handshake ) {
if( mpCallback ) {
mpCallback->OnWSClientParserHandshake(this);
}
} else {
if( mpCallback ) {
mpCallback->OnWSClientDisconected(this);
}
}
}break;
case WSClientState_Handshake:{
}
case WSClientState_Data:{
// char temp[4096] = {0};
// char *p = temp;
// unsigned char c;
// for(int i = 0; i< len; i++) {
// c = buffer[i];
// sprintf(p, "%c%c,", hex[c >> 4], hex[c & (16 - 1)]);
// p += 3;
// }
// switch_log_printf(
// SWITCH_CHANNEL_UUID_LOG(this->uuid),
// SWITCH_LOG_INFO,
// "WSClientParser::ParseData( "
// "parser : %p, "
// "hex : \n%s\n"
// ") \n",
// this,
// temp
// );
WSPacket* packet = (WSPacket *)buffer;
// switch_log_printf(
// SWITCH_CHANNEL_UUID_LOG(this->uuid),
// SWITCH_LOG_INFO,
// "WSClientParser::ParseData( "
// "parser : %p, "
// "packet->Fin : %s, "
// "packet->RSV : %u, "
// "packet->Opcode : %u, "
// "packet->Mask : %s, "
// "packet->Playload Length : %u, "
// "packet->Extend Playload Length : %llu, "
// "packet->Mask Key : %s "
// ") \n",
// this,
// packet->baseHeader.IsFin()?"true":"false",
// packet->baseHeader.GetRSVType(),
// packet->baseHeader.GetOpcode(),
// packet->baseHeader.IsMask()?"true":"false",
// packet->baseHeader.GetPlayloadLength(),
// packet->GetPlayloadLength(),
// packet->GetMaskKey()
// );
const char* data = (const char*)packet->GetData();//buffer;//packet->GetData();
int playloadLength = packet->GetPlayloadLength();//len;//packet->GetPlayloadLength();
ret = packet->GetHeaderLength() + playloadLength;
if( mpCallback) {
mpCallback->OnWSClientParserData(this, data, playloadLength);
}
}break;
case WSClientState_Disconnected:{
ret = len;
}break;
default:{
break;
}
}
Unlock();
return ret;
}
//-------------------------------------------------------------------------
bool CWebserverRequest::ParseRequest()
{
int ende;
if(rawbuffer_len > 0 )
{
if((ende = rawbuffer.find_first_of('\n')) == 0)
{
aprintf("ParseRequest: End of line not found\n");
Send500Error();
return false;
}
string zeile1 = rawbuffer.substr(0,ende-1);
if(ParseFirstLine(zeile1))
{
unsigned int i;
for(i = 0; ((rawbuffer[i] != '\n') || (rawbuffer[i+2] != '\n')) && (i < rawbuffer.length());i++);
int headerende = i;
// dprintf("headerende: %d buffer_len: %d\n",headerende,rawbuffer_len);
if(headerende == 0)
{
aprintf("ParseRequest: no headers found\n");
Send500Error();
return false;
}
string header = rawbuffer.substr(ende+1,headerende - ende - 2);
ParseHeader(header);
Host = HeaderList["Host"];
if(Method == M_POST) // TODO: Und testen ob content = formdata
{
string t = "multipart/form-data; boundary=";
if(HeaderList["Content-Type"].compare(0,t.length(),t) == 0)
{
SocketWriteLn("Sorry, momentan broken\n");
/*Boundary = "--" + HeaderList["Content-Type"].substr(t.length(),HeaderList["Content-Type"].length() - t.length());
dprintf("Boundary: '%s'\n",Boundary.c_str());
if((headerende + 3) < rawbuffer_len)
ParseBoundaries(rawbuffer.substr(headerende + 3,rawbuffer_len - (headerende + 3)));
HandleUpload();*/
}
else if(HeaderList["Content-Type"].compare("application/x-www-form-urlencoded") == 0)
{
dprintf("Form Daten in Parameter String\n");
if((headerende + 3) < rawbuffer_len)
{
string params = rawbuffer.substr(headerende + 3,rawbuffer_len - (headerende + 3));
if(params[params.length()-1] == '\n')
params.substr(0,params.length() -2);
ParseParams(params);
}
}
dprintf("Method Post !\n");
}
/*
if(Method == M_POST) // TODO: Und testen ob content = formdata
{
if( (ende + 3) < rawbuffer + rawbuffer_len)
{
// Parent->Debug("Post Parameter vorhanden\n");
anfang = ende + 3;
Param_String = string(anfang,rawbuffer + rawbuffer_len - anfang);
dprintf("Post Param_String: %s\n",Param_String.c_str());
ParseParams(Param_String);
}
if(HeaderList->GetIndex("Content-Type") != -1)
{
dprintf("Content-Type: %s\n",HeaderList->GetValue(HeaderList->GetIndex("Content-Type")));
if(strcasecmp("application/x-www-form-urlencoded",HeaderList->GetValue(HeaderList->GetIndex("Content-Type"))) == 0)
dprintf("Form Daten in Parameter String\n");
if(strstr(HeaderList->GetValue(HeaderList->GetIndex("Content-Type")),"multipart/form-data") != 0)
{
char * boundary;
boundary = strstr(HeaderList->GetValue(HeaderList->GetIndex("Content-Type")),"boundary=");
if(boundary)
{
boundary += strlen("boundary=");
dprintf("boundary : %s\n",boundary);
Upload = new TUpload(this);
Upload->Boundary = new TString(boundary);
Boundary = new TString(boundary);
dprintf("Form Daten in Parameter String und Datei upload\nBoundary: %ld\n",Boundary);
}
}
}
}
*/
return true;
}
else {
SocketWrite("HTTP/1.0 501 Not implemented\r\n");
SocketWrite("Content-Type: text/plain\r\n\r\n");
SocketWrite("501 : Request-Method not implemented.\n");
HttpStatus = 501;
// dprintf("501 : Request-Method not implemented.\n");
return false;
}
}
return false;
}
bool CWebserverRequest::ParseRequest()
{
int ende;
if(rawbuffer_len > 0 )
{
if((ende = rawbuffer.find_first_of('\n')) == 0)
{
aprintf("ParseRequest: End of line not found\n");
Send500Error();
return false;
}
std::string zeile1 = rawbuffer.substr(0,ende-1);
if(ParseFirstLine(zeile1))
{
unsigned int i;
for(i = 0; ((rawbuffer[i] != '\n') || (rawbuffer[i+2] != '\n')) && (i < rawbuffer.length());i++);
int headerende = i;
// dprintf("headerende: %d buffer_len: %d\n",headerende,rawbuffer_len);
if(headerende == 0)
{
aprintf("ParseRequest: no headers found\n");
Send500Error();
return false;
}
std::string header = rawbuffer.substr(ende+1,headerende - ende - 2);
ParseHeader(header);
Host = HeaderList["Host"];
if(Method == M_POST) // TODO: Und testen ob content = formdata
{
std::string t = "multipart/form-data; boundary=";
if(HeaderList["Content-Type"].compare(0,t.length(),t) == 0)
{
// SocketWriteLn("Sorry, momentan broken\n");
Boundary = "--" + HeaderList["Content-Type"].substr(t.length(),HeaderList["Content-Type"].length() - t.length());
aprintf("Boundary: '%s'\n",Boundary.c_str());
// if((headerende + 3) < rawbuffer_len)
// ParseBoundaries(rawbuffer.substr(headerende + 3,rawbuffer_len - (headerende + 3)));
HandleUpload();
}
else if(HeaderList["Content-Type"].compare("application/x-www-form-urlencoded") == 0)
{
// dprintf("Form Daten in Parameter String\n");
if((headerende + 3) < rawbuffer_len)
{
std::string params = rawbuffer.substr(headerende + 3,rawbuffer_len - (headerende + 3));
if(params[params.length()-1] == '\n')
params.substr(0,params.length() -2);
ParseParams(params);
}
}
dprintf("Method Post !\n");
}
return true;
}
else {
SocketWrite("HTTP/1.0 501 Not implemented\r\n");
SocketWrite("Content-Type: text/plain\r\n\r\n");
SocketWrite("501 : Request-Method not implemented.\n");
HttpStatus = 501;
aprintf("501 : Request-Method not implemented.\n");
return false;
}
}
else
{
aprintf("rawbuffer_len = %ld\n",rawbuffer_len);
return false;
}
}
