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/*
Copyright (c) 2015-18 Miranda NG team (https://miranda-ng.org)
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 version 2
of the License.
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/>.
*/
#ifndef _HTTP_REQUEST_H_
#define _HTTP_REQUEST_H_
class HttpRequest : public NETLIBHTTPREQUEST, public MZeroedObject
{
HttpRequest& operator=(const HttpRequest&); // to prevent copying;
va_list formatArgs;
CMStringA url;
protected:
class HttpRequestUrl
{
friend HttpRequest;
private:
HttpRequest & request;
HttpRequestUrl(HttpRequest &request, const char *url) : request(request)
{
request.url = url;
request.szUrl = request.url.GetBuffer();
}
HttpRequestUrl(HttpRequest &request, const char *urlFormat, va_list args) : request(request)
{
request.url.AppendFormatV(urlFormat, args);
request.szUrl = request.url.GetBuffer();
}
HttpRequestUrl& operator=(const HttpRequestUrl&); // to prevent copying;
public:
HttpRequestUrl& operator<<(const char *param)
{
if (param)
request.AddUrlParameter("%s", param);
return *this;
}
HttpRequestUrl& operator<<(const BOOL_PARAM ¶m)
{
request.AddUrlParameter("%s=%s", param.szName, param.bValue ? "true" : "false");
return *this;
}
HttpRequestUrl& operator<<(const INT_PARAM ¶m)
{
request.AddUrlParameter("%s=%i", param.szName, param.iValue);
return *this;
}
HttpRequestUrl& operator<<(const INT64_PARAM ¶m)
{
request.AddUrlParameter("%s=%lld", param.szName, param.iValue);
return *this;
}
HttpRequestUrl& operator<<(const CHAR_PARAM ¶m)
{
request.AddUrlParameter("%s=%s", param.szName, param.szValue);
return *this;
}
char* ToString()
{
return request.url.GetBuffer();
}
};
class HttpRequestHeaders
{
HttpRequestHeaders& operator=(const HttpRequestHeaders&); // to prevent copying;
HttpRequest &request;
void Add(LPCSTR szName)
{
Add(szName, "");
}
void Add(LPCSTR szName, LPCSTR szValue)
{
request.headers = (NETLIBHTTPHEADER*)mir_realloc(
request.headers, sizeof(NETLIBHTTPHEADER)* (request.headersCount + 1));
request.headers[request.headersCount].szName = mir_strdup(szName);
request.headers[request.headersCount].szValue = mir_strdup(szValue);
request.headersCount++;
}
public:
HttpRequestHeaders(HttpRequest &request) : request(request) {}
HttpRequestHeaders& operator<<(const CHAR_PARAM ¶m)
{
Add(param.szName, param.szValue);
return *this;
}
};
class HttpRequestBody
{
private:
CMStringA content;
void AppendSeparator()
{
if (!content.IsEmpty())
content.AppendChar('&');
}
public:
HttpRequestBody() {}
HttpRequestBody& operator<<(const char *str)
{
AppendSeparator();
if (str != nullptr)
content.Append(str);
return *this;
}
HttpRequestBody& operator<<(const BOOL_PARAM ¶m)
{
AppendSeparator();
content.AppendFormat("%s=%s", param.szName, param.bValue ? "true" : "false");
return *this;
}
HttpRequestBody& operator<<(const INT_PARAM ¶m)
{
AppendSeparator();
content.AppendFormat("%s=%i", param.szName, param.iValue);
return *this;
}
HttpRequestBody& operator<<(const INT64_PARAM ¶m)
{
AppendSeparator();
content.AppendFormat("%s=%lld", param.szName, param.iValue);
return *this;
}
HttpRequestBody& operator<<(const CHAR_PARAM ¶m)
{
AppendSeparator();
content.AppendFormat("%s=%s", param.szName, param.szValue);
return *this;
}
char* ToString()
{
return content.GetBuffer();
}
};
void AddUrlParameter(const char *fmt, ...)
{
va_list args;
va_start(args, fmt);
url += (url.Find('?') == -1) ? '?' : '&';
url.AppendFormatV(fmt, args);
va_end(args);
szUrl = url.GetBuffer();
}
public:
HttpRequestUrl Url;
HttpRequestHeaders Headers;
HttpRequestBody Body;
enum PersistentType { NONE, DEFAULT, CHANNEL, MESSAGES };
bool NotifyErrors;
PersistentType Persistent;
HttpRequest(int type, LPCSTR url)
: Url(*this, url), Headers(*this)
{
cbSize = sizeof(NETLIBHTTPREQUEST);
flags = NLHRF_HTTP11 | NLHRF_SSL | NLHRF_DUMPASTEXT;
requestType = type;
pData = nullptr;
timeout = 20 * 1000;
NotifyErrors = true;
Persistent = DEFAULT;
}
HttpRequest(int type, CMStringDataFormat, LPCSTR urlFormat, ...)
: Url(*this, urlFormat, (va_start(formatArgs, urlFormat), formatArgs)), Headers(*this)
{
cbSize = sizeof(NETLIBHTTPREQUEST);
flags = NLHRF_HTTP11 | NLHRF_SSL | NLHRF_DUMPASTEXT;
requestType = type;
va_end(formatArgs);
pData = nullptr;
timeout = 20 * 1000;
NotifyErrors = true;
Persistent = DEFAULT;
}
virtual ~HttpRequest()
{
for (int i = 0; i < headersCount; i++) {
mir_free(headers[i].szName);
mir_free(headers[i].szValue);
}
mir_free(headers);
}
virtual NETLIBHTTPREQUEST* Send(HNETLIBUSER nlu)
{
if (url.Find("://") == -1)
url.Insert(0, ((flags & NLHRF_SSL) ? "https://" : "http://"));
szUrl = url.GetBuffer();
if (!pData) {
pData = Body.ToString();
dataLength = (int)mir_strlen(pData);
}
Netlib_Logf(nlu, "Send request to %s", szUrl);
return Netlib_HttpTransaction(nlu, this);
}
};
#endif //_HTTP_REQUEST_H_
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