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/*
Facebook plugin for Miranda NG
Copyright © 2019-22 Miranda NG team
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "stdafx.h"
/////////////////////////////////////////////////////////////////////////////////////////
static int CompareParams(const AsyncHttpRequest::Param *p1, const AsyncHttpRequest::Param *p2)
{
return strcmp(p1->key, p2->key);
}
AsyncHttpRequest::AsyncHttpRequest() :
params(5, CompareParams)
{
}
void AsyncHttpRequest::CalcSig()
{
CMStringA buf;
for (auto &it : params)
buf.AppendFormat("%s=%s", it->key.c_str(), it->val.c_str());
buf.Append(FB_API_SECRET);
char szHash[33];
uint8_t digest[16];
mir_md5_hash((uint8_t*)buf.c_str(), buf.GetLength(), digest);
bin2hex(digest, sizeof(digest), szHash);
this << CHAR_PARAM("sig", szHash);
for (auto &it : params) {
if (!m_szParam.IsEmpty())
m_szParam.AppendChar('&');
m_szParam.AppendFormat("%s=%s", it->key.c_str(), mir_urlEncode(it->val.c_str()).c_str());
}
}
AsyncHttpRequest* operator<<(AsyncHttpRequest *pReq, const CHAR_PARAM ¶m)
{
pReq->params.insert(new AsyncHttpRequest::Param(param.szName, param.szValue));
return pReq;
}
AsyncHttpRequest* operator<<(AsyncHttpRequest *pReq, const INT_PARAM ¶m)
{
char value[40];
itoa(param.iValue, value, 10);
pReq->params.insert(new AsyncHttpRequest::Param(param.szName, value));
return pReq;
}
/////////////////////////////////////////////////////////////////////////////////////////
JsonReply::JsonReply(NETLIBHTTPREQUEST *pReply)
{
if (pReply == nullptr) {
m_errorCode = 500;
return;
}
m_errorCode = pReply->resultCode;
if (m_errorCode != 200)
return;
m_root = json_parse(pReply->pData);
if (m_root == nullptr) {
m_errorCode = 500;
return;
}
m_errorCode = (*m_root)["error_code"].as_int();
}
JsonReply::~JsonReply()
{
json_delete(m_root);
}
/////////////////////////////////////////////////////////////////////////////////////////
AsyncHttpRequest* FacebookProto::CreateRequest(const char *szUrl, const char *szName, const char *szMethod)
{
AsyncHttpRequest *pReq = new AsyncHttpRequest();
pReq->m_szUrl = szUrl;
pReq->requestType = REQUEST_POST;
pReq << CHAR_PARAM("api_key", FB_API_KEY)
<< CHAR_PARAM("device_id", m_szDeviceID)
<< CHAR_PARAM("fb_api_req_friendly_name", szName)
<< CHAR_PARAM("format", "json")
<< CHAR_PARAM("method", szMethod);
CMStringA szLocale = getMStringA(DBKEY_LOCALE);
if (szLocale.IsEmpty())
szLocale = "en";
pReq << CHAR_PARAM("locale", szLocale);
if (!m_szAuthToken.IsEmpty()) {
pReq->flags |= NLHRF_NODUMPHEADERS;
pReq->AddHeader("Authorization", "OAuth " + m_szAuthToken);
}
pReq->AddHeader("User-Agent", FB_API_AGENT);
pReq->AddHeader("Content-Type", "application/x-www-form-urlencoded; charset=utf-8");
return pReq;
}
AsyncHttpRequest* FacebookProto::CreateRequestGQL(int64_t query_id) {
const char* szName;
switch (query_id) {
case FB_API_QUERY_CONTACT:
szName = "UsersQuery";
break;
case FB_API_QUERY_CONTACTS:
szName = "FetchContactsFullQuery";
break;
case FB_API_QUERY_CONTACTS_AFTER:
szName = "FetchContactsFullWithAfterQuery";
break;
case FB_API_QUERY_CONTACTS_DELTA:
szName = "FetchContactsDeltaQuery";
break;
case FB_API_QUERY_STICKER:
szName = "FetchStickersWithPreviewsQuery";
break;
case FB_API_QUERY_THREAD:
szName = "ThreadQuery";
break;
case FB_API_QUERY_SEQ_ID:
case FB_API_QUERY_THREADS:
szName = "ThreadListQuery";
break;
case FB_API_QUERY_XMA:
szName = "XMAQuery";
break;
default:
return nullptr;
}
AsyncHttpRequest* pReq = CreateRequest(FB_API_URL_GQL, szName, "get");
pReq << INT64_PARAM("query_id", query_id);
return pReq;
}
NETLIBHTTPREQUEST* FacebookProto::ExecuteRequest(AsyncHttpRequest *pReq)
{
CMStringA str;
pReq->flags |= NLHRF_HTTP11;
pReq->szUrl = pReq->m_szUrl.GetBuffer();
if (!pReq->m_szParam.IsEmpty()) {
if (pReq->requestType == REQUEST_GET) {
str.Format("%s?%s", pReq->m_szUrl.c_str(), pReq->m_szParam.c_str());
pReq->szUrl = str.GetBuffer();
}
else {
pReq->dataLength = pReq->m_szParam.GetLength();
pReq->pData = mir_strdup(pReq->m_szParam);
}
}
debugLogA("Executing request:\n%s", pReq->szUrl);
NETLIBHTTPREQUEST *reply = Netlib_HttpTransaction(m_hNetlibUser, pReq);
delete pReq;
return reply;
}
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