168 lines
4.2 KiB
C++
168 lines
4.2 KiB
C++
/* XMRig
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* Copyright (c) 2014-2019 heapwolf <https://github.com/heapwolf>
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* Copyright (c) 2018-2021 SChernykh <https://github.com/SChernykh>
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* Copyright (c) 2016-2021 XMRig <https://github.com/xmrig>, <support@xmrig.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "base/net/http/HttpClient.h"
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#include "3rdparty/llhttp/llhttp.h"
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#include "base/io/log/Log.h"
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#include "base/kernel/Platform.h"
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#include "base/net/dns/Dns.h"
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#include "base/net/dns/DnsRecords.h"
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#include "base/net/tools/NetBuffer.h"
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#include "base/tools/Timer.h"
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#include <sstream>
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#include <uv.h>
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namespace xmrig {
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static const char *kCRLF = "\r\n";
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} // namespace xmrig
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xmrig::HttpClient::HttpClient(const char *tag, FetchRequest &&req, const std::weak_ptr<IHttpListener> &listener) :
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HttpContext(HTTP_RESPONSE, listener),
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m_tag(tag),
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m_req(std::move(req))
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{
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method = m_req.method;
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url = std::move(m_req.path);
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body = std::move(m_req.body);
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headers = std::move(m_req.headers);
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if (m_req.timeout) {
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m_timer = std::make_shared<Timer>(this, m_req.timeout, 0);
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}
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}
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bool xmrig::HttpClient::connect()
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{
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m_dns = Dns::resolve(m_req.host, this);
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return true;
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}
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void xmrig::HttpClient::onResolved(const DnsRecords &records, int status, const char *error)
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{
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this->status = status;
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m_dns.reset();
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if (status < 0 && records.isEmpty()) {
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if (!isQuiet()) {
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LOG_ERR("%s " RED("DNS error: ") RED_BOLD("\"%s\""), tag(), error);
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}
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return;
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}
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auto req = new uv_connect_t;
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req->data = this;
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uv_tcp_connect(req, m_tcp, records.get().addr(port()), onConnect);
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}
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void xmrig::HttpClient::onTimer(const Timer *)
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{
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close(UV_ETIMEDOUT);
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}
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void xmrig::HttpClient::handshake()
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{
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headers.insert({ "Host", host() });
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headers.insert({ "Connection", "close" });
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headers.insert({ "User-Agent", Platform::userAgent().data() });
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if (!body.empty()) {
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headers.insert({ "Content-Length", std::to_string(body.size()) });
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}
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std::stringstream ss;
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ss << llhttp_method_name(static_cast<llhttp_method>(method)) << " " << url << " HTTP/1.1" << kCRLF;
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for (auto &header : headers) {
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ss << header.first << ": " << header.second << kCRLF;
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}
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ss << kCRLF;
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headers.clear();
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body.insert(0, ss.str());
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write(std::move(body), false);
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}
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void xmrig::HttpClient::read(const char *data, size_t size)
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{
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if (parse(data, size) < size) {
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close(UV_EPROTO);
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}
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}
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void xmrig::HttpClient::onConnect(uv_connect_t *req, int status)
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{
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auto client = static_cast<HttpClient *>(req->data);
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delete req;
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if (!client) {
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return;
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}
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if (status < 0) {
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if (status == UV_ECANCELED) {
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status = UV_ETIMEDOUT;
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}
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if (!client->isQuiet()) {
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LOG_ERR("%s " RED("connect error: ") RED_BOLD("\"%s\""), client->tag(), uv_strerror(status));
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}
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return client->close(status);
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}
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uv_read_start(client->stream(), NetBuffer::onAlloc,
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[](uv_stream_t *tcp, ssize_t nread, const uv_buf_t *buf)
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{
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auto client = static_cast<HttpClient*>(tcp->data);
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if (nread >= 0) {
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client->read(buf->base, static_cast<size_t>(nread));
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} else {
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if (!client->isQuiet() && nread != UV_EOF) {
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LOG_ERR("%s " RED("read error: ") RED_BOLD("\"%s\""), client->tag(), uv_strerror(static_cast<int>(nread)));
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}
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client->close(static_cast<int>(nread));
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}
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NetBuffer::release(buf);
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});
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client->handshake();
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}
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