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196 lines (182 loc) · 5.79 KB
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Copy pathHTTP.cpp
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196 lines (182 loc) · 5.79 KB
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#include "HTTP.h"
BOOL HttpSubmitRequest(HttpRequestData &httpRequestData)
{
BOOL ret = FALSE;
WSADATA wsa;
SOCKET s;
char request[1024] = { 0 };
httpRequestData.outputBodySize = 0;
Funcs::pLstrcpyA(request, (httpRequestData.post ? Strs::postSpace : Strs::getSpace));
Funcs::pLstrcatA(request, httpRequestData.path);
Funcs::pLstrcatA(request, Strs::httpReq1);
Funcs::pLstrcatA(request, Strs::httpReq2);
Funcs::pLstrcatA(request, httpRequestData.host);
Funcs::pLstrcatA(request, Strs::httpReq3);
if(httpRequestData.post && httpRequestData.inputBody)
{
Funcs::pLstrcatA(request, Strs::httpReq4);
char sizeStr[10];
Funcs::pWsprintfA(sizeStr, Strs::sprintfIntEscape, httpRequestData.inputBodySize);
Funcs::pLstrcatA(request, sizeStr);
Funcs::pLstrcatA(request, Strs::winNewLine);
}
Funcs::pLstrcatA(request, Strs::winNewLine);
if(Funcs::pWSAStartup(MAKEWORD(2, 2), &wsa) != 0)
goto exit;
if((s = Funcs::pSocket(AF_INET, SOCK_STREAM, IPPROTO_TCP)) == INVALID_SOCKET)
goto exit;
hostent *he = Funcs::pGethostbyname(httpRequestData.host);
if(!he)
goto exit;
struct sockaddr_in addr;
Funcs::pMemcpy(&addr.sin_addr, he->h_addr_list[0], he->h_length);
addr.sin_family = AF_INET;
addr.sin_port = Funcs::pHtons(httpRequestData.port);
if(Funcs::pConnect(s, (struct sockaddr *) &addr, sizeof(addr)) == SOCKET_ERROR)
goto exit;
if(Funcs::pSend(s, request, Funcs::pLstrlenA(request), 0) <= 0)
goto exit;
if(httpRequestData.inputBody)
{
if(Funcs::pSend(s, (char *) httpRequestData.inputBody, httpRequestData.inputBodySize, 0) <= 0)
goto exit;
}
char header[1024] = { 0 };
int contentLength = -1;
int lastPos = 0;
BOOL firstLine = TRUE;
BOOL transferChunked = FALSE;
for(int i = 0;; ++i)
{
if(i > sizeof(header) - 1)
goto exit;
if(Funcs::pRecv(s, header + i, 1, 0) <= 0)
goto exit;
if(i > 0 && header[i - 1] == '\r' && header[i] == '\n')
{
header[i - 1] = 0;
if(firstLine)
{
if(Funcs::pLstrcmpiA(header, Strs::httpReq5))
goto exit;
firstLine = FALSE;
}
else
{
char *field = header + lastPos + 2;
if(Funcs::pLstrlenA(field) == 0)
{
if(contentLength < 0 && !transferChunked)
goto exit;
break;
}
char *name;
char *value;
if((value = (char *) Funcs::pStrStrA(field, Strs::httpReq6)))
{
name = field;
name[value - field] = 0;
value += 2;
if(!Funcs::pLstrcmpiA(name, Strs::httpReq7))
{
char *endPtr;
contentLength = Funcs::pStrtol(value, &endPtr, 10);
if(endPtr == value)
goto exit;
if(value < 0)
goto exit;
}
else if(!Funcs::pLstrcmpiA(name, Strs::httpReq8))
{
if(!Funcs::pLstrcmpiA(value, Strs::httpReq9))
transferChunked = TRUE;
}
value += 2;
}
}
lastPos = i - 1;
}
}
if(transferChunked)
{
const int reallocSize = 16394;
char sizeStr[10] = { 0 };
int allocatedSize = reallocSize;
int read = 0;
httpRequestData.outputBody = (BYTE *) Alloc(reallocSize);
for(int i = 0;;)
{
if(i > sizeof(sizeStr) - 1)
goto exit;
if(Funcs::pRecv(s, sizeStr + i, 1, 0) <= 0)
goto exit;
if(i > 0 && sizeStr[i - 1] == '\r' && sizeStr[i] == '\n')
{
sizeStr[i - 1] = 0;
char *endPtr;
int size = Funcs::pStrtol(sizeStr, &endPtr, 16);
if(endPtr == sizeStr)
goto exit;
if(size < 0)
goto exit;
if(size == 0)
{
httpRequestData.outputBody[httpRequestData.outputBodySize] = 0;
break;
}
httpRequestData.outputBodySize += size;
if(allocatedSize < httpRequestData.outputBodySize + 1)
{
allocatedSize += httpRequestData.outputBodySize + reallocSize;
httpRequestData.outputBody = (BYTE *) ReAlloc(httpRequestData.outputBody, allocatedSize);
}
int chunkRead = 0;
do
{
int read2 = Funcs::pRecv(s, (char *) httpRequestData.outputBody + read + chunkRead, size - chunkRead, 0);
if(read2 <= 0)
goto exit;
chunkRead += read2;
} while(chunkRead != size);
if(Funcs::pRecv(s, sizeStr, 2, 0) <= 0)
goto exit;
read += size;
i = 0;
continue;
}
++i;
}
}
else
{
if(contentLength > 0)
{
httpRequestData.outputBody = (BYTE *) Alloc(contentLength + 1);
httpRequestData.outputBodySize = contentLength;
httpRequestData.outputBody[httpRequestData.outputBodySize] = 0;
int totalRead = 0;
do
{
int read = Funcs::pRecv(s, (char *) httpRequestData.outputBody + totalRead, contentLength - totalRead, 0);
if(read <= 0) goto exit;
totalRead += read;
}
while(totalRead != contentLength);
}
else
{
httpRequestData.outputBody = (BYTE *) Alloc(1);
httpRequestData.outputBody[0] = 0;
}
}
ret = TRUE;
exit:
if(!ret)
{
httpRequestData.outputBody = NULL;
Funcs::pFree(httpRequestData.outputBody);
}
Funcs::pClosesocket(s);
Funcs::pWSACleanup();
return ret;
}