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#include "api.h"
#include "../xml/obj_xml.h"
#include "api_auth.h"
#include "../nu/AutoChar.h"
#include "../jnetlib/api_httpget.h"
#include "ifc_authcallback.h"
#include <api/service/waservicefactory.h>
#include <strsafe.h>
static const GUID internetConfigGroupGUID =
{
0xc0a565dc, 0xcfe, 0x405a, { 0xa2, 0x7c, 0x46, 0x8b, 0xc, 0x8a, 0x3a, 0x5c }
};
#define USER_AGENT_SIZE (10 /*User-Agent*/ + 2 /*: */ + 6 /*Winamp*/ + 1 /*/*/ + 1 /*5*/ + 3/*.55*/ + 1 /*Null*/)
static void SetUserAgent(api_httpreceiver *http)
{
char user_agent[USER_AGENT_SIZE] = {0};
StringCchPrintfA(user_agent, USER_AGENT_SIZE, "User-Agent: Winamp/%S", WASABI_API_APP->main_getVersionNumString());
http->addheader(user_agent);
}
#define HTTP_BUFFER_SIZE 8192
static int FeedXMLHTTP(api_httpreceiver *http, obj_xml *parser, bool *noData)
{
char downloadedData[HTTP_BUFFER_SIZE] = {0};
int xmlResult = API_XML_SUCCESS;
int downloadSize = http->get_bytes(downloadedData, HTTP_BUFFER_SIZE);
if (downloadSize)
{
xmlResult = parser->xmlreader_feed((void *)downloadedData, downloadSize);
*noData=false;
}
else
*noData = true;
return xmlResult;
}
static int RunXMLDownload(api_httpreceiver *http, obj_xml *parser, ifc_authcallback *callback)
{
int ret;
bool noData;
do
{
if (callback && callback->OnIdle())
{
return AUTH_ABORT;
}
else if (!callback)
{
Sleep(50);
}
ret = http->run();
if (FeedXMLHTTP(http, parser, &noData) != API_XML_SUCCESS)
return AUTH_ERROR_PARSING_XML;
}
while (ret == HTTPRECEIVER_RUN_OK);
// finish off the data
do
{
if (FeedXMLHTTP(http, parser, &noData) != API_XML_SUCCESS)
return AUTH_ERROR_PARSING_XML;
} while (!noData);
parser->xmlreader_feed(0, 0);
if (ret != HTTPRECEIVER_RUN_ERROR)
return AUTH_SUCCESS;
else
return AUTH_CONNECTIONRESET;
}
int PostXML(const char *url, const char *post_data, obj_xml *parser, ifc_authcallback *callback)
{
if (!parser)
return AUTH_NOPARSER;
api_httpreceiver *http = 0;
waServiceFactory *sf = WASABI_API_SVC->service_getServiceByGuid(httpreceiverGUID);
if (sf)
http = (api_httpreceiver *)sf->getInterface();
if (!http)
return AUTH_NOHTTP;
int use_proxy = 1;
bool proxy80 = AGAVE_API_CONFIG->GetBool(internetConfigGroupGUID, L"proxy80", false);
if (proxy80 && strstr(url, ":") && (!strstr(url, ":80/") && strstr(url, ":80") != (url + strlen(url) - 3)))
use_proxy = 0;
const wchar_t *proxy = use_proxy?AGAVE_API_CONFIG->GetString(internetConfigGroupGUID, L"proxy", 0):0;
size_t clen = strlen(post_data);
http->open(API_DNS_AUTODNS, HTTP_BUFFER_SIZE, (proxy && proxy[0]) ? (const char *)AutoChar(proxy) : NULL);
SetUserAgent(http);
char clen_header[1024] = {0};
StringCbPrintfA(clen_header, sizeof(clen_header), "Content-Length: %u", clen);
http->addheader(clen_header);
http->addheader("Content-Type: application/x-www-form-urlencoded; charset=UTF-8");
if (callback && callback->OnConnecting())
{
sf->releaseInterface(http);
return AUTH_ABORT;
}
http->connect(url, 0, "POST");
// POST the data
api_connection *connection = http->GetConnection();
if (connection)
{
if (callback && callback->OnIdle())
{
sf->releaseInterface(http);
return AUTH_ABORT;
}
else if (!callback)
{
Sleep(50);
}
if (http->run() == -1)
goto connection_failed;
if (callback && callback->OnSending())
{
sf->releaseInterface(http);
return AUTH_ABORT;
}
const char *dataIndex = post_data;
while (clen)
{
if (callback && callback->OnIdle())
{
sf->releaseInterface(http);
return AUTH_ABORT;
}
else if (!callback)
{
Sleep(50);
}
if (http->run() == -1)
goto connection_failed;
size_t lengthToSend = min(clen, connection->GetSendBytesAvailable());
if (lengthToSend)
{
connection->send(dataIndex, (int)lengthToSend);
dataIndex+=lengthToSend;
clen-=lengthToSend;
}
}
}
// retrieve reply
if (callback && callback->OnReceiving())
{
sf->releaseInterface(http);
return AUTH_ABORT;
}
int ret;
do
{
if (callback && callback->OnIdle())
{
sf->releaseInterface(http);
return AUTH_ABORT;
}
else if (!callback)
{
Sleep(50);
}
ret = http->run();
if (ret == -1) // connection failed
break;
// ---- check our reply code ----
int status = http->get_status();
switch (status)
{
case HTTPRECEIVER_STATUS_CONNECTING:
case HTTPRECEIVER_STATUS_READING_HEADERS:
break;
case HTTPRECEIVER_STATUS_READING_CONTENT:
{
int downloadError;
downloadError = RunXMLDownload(http, parser, callback);
sf->releaseInterface(http);
return downloadError;
}
break;
case HTTPRECEIVER_STATUS_ERROR:
default:
sf->releaseInterface(http);
return AUTH_404;
}
}
while (ret == HTTPRECEIVER_RUN_OK);
connection_failed:
sf->releaseInterface(http);
return AUTH_404;
}
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