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// httpclient.cpp
/* Copyright 2009 10gen Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the GNU Affero General Public License in all respects
* for all of the code used other than as permitted herein. If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. If you do not
* wish to do so, delete this exception statement from your version. If you
* delete this exception statement from all source files in the program,
* then also delete it in the license file.
*/
#include "mongo/platform/basic.h"
#include "mongo/util/net/httpclient.h"
#include "mongo/bson/util/builder.h"
#include "mongo/config.h"
#include "mongo/util/mongoutils/str.h"
#include "mongo/util/net/message.h"
#include "mongo/util/net/message_port.h"
#include "mongo/util/net/sock.h"
#include "mongo/util/net/socket_exception.h"
#include "mongo/util/net/ssl_manager.h"
namespace mongo {
using std::string;
using std::stringstream;
//#define HD(x) cout << x << endl;
#define HD(x)
int HttpClient::get(const std::string& url, Result* result) {
return _go("GET", url, 0, result);
}
int HttpClient::post(const std::string& url, const std::string& data, Result* result) {
return _go("POST", url, data.c_str(), result);
}
int HttpClient::_go(const char* command, string url, const char* body, Result* result) {
bool ssl = false;
if (url.find("https://") == 0) {
ssl = true;
url = url.substr(8);
} else {
uassert(10271, "invalid url", url.find("http://") == 0);
url = url.substr(7);
}
string host, path;
if (url.find("/") == string::npos) {
host = url;
path = "/";
} else {
host = url.substr(0, url.find("/"));
path = url.substr(url.find("/"));
}
HD("host [" << host << "]");
HD("path [" << path << "]");
string server = host;
int port = ssl ? 443 : 80;
string::size_type idx = host.find(":");
if (idx != string::npos) {
server = host.substr(0, idx);
string t = host.substr(idx + 1);
port = atoi(t.c_str());
}
HD("server [" << server << "]");
HD("port [" << port << "]");
string req;
{
stringstream ss;
ss << command << " " << path << " HTTP/1.1\r\n";
ss << "Host: " << host << "\r\n";
ss << "Connection: Close\r\n";
ss << "User-Agent: mongodb http client\r\n";
if (body) {
ss << "Content-Length: " << strlen(body) << "\r\n";
}
ss << "\r\n";
if (body) {
ss << body;
}
req = ss.str();
}
SockAddr addr(server.c_str(), port);
uassert(15000, "server socket addr is invalid", addr.isValid());
HD("addr: " << addr.toString());
Socket sock;
if (!sock.connect(addr))
return -1;
if (ssl) {
#ifdef MONGO_CONFIG_SSL
// pointer to global singleton instance
SSLManagerInterface* mgr = getSSLManager();
sock.secure(mgr, "");
#else
uasserted(15862, "no ssl support");
#endif
}
{
const char* out = req.c_str();
int toSend = req.size();
sock.send(out, toSend, "_go");
}
char buf[4097];
int got = sock.unsafe_recv(buf, 4096);
buf[got] = 0;
int rc;
char version[32];
verify(sscanf(buf, "%s %d", version, &rc) == 2);
HD("rc: " << rc);
StringBuilder sb;
if (result)
sb << buf;
// SERVER-8864, unsafe_recv will throw when recv returns 0 indicating closed socket.
try {
while ((got = sock.unsafe_recv(buf, 4096)) > 0) {
buf[got] = 0;
if (result)
sb << buf;
}
} catch (const SocketException&) {
}
if (result) {
result->_init(rc, sb.str());
}
return rc;
}
void HttpClient::Result::_init(int code, string entire) {
_code = code;
_entireResponse = entire;
while (true) {
size_t i = entire.find('\n');
if (i == string::npos) {
// invalid
break;
}
string h = entire.substr(0, i);
entire = entire.substr(i + 1);
if (h.size() && h[h.size() - 1] == '\r')
h = h.substr(0, h.size() - 1);
if (h.size() == 0)
break;
i = h.find(':');
if (i != string::npos)
_headers[h.substr(0, i)] = str::ltrim(h.substr(i + 1));
}
_body = entire;
}
}
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