Added HttpsClient.

src/base/net/http/HttpsClient.cpp

@@ -0,0 +1,150 @@
+/* XMRig
+ * Copyright 2010      Jeff Garzik <jgarzik@pobox.com>
+ * Copyright 2012-2014 pooler      <pooler@litecoinpool.org>
+ * Copyright 2014      Lucas Jones <https://github.com/lucasjones>
+ * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
+ * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
+ * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
+ * Copyright 2014-2019 heapwolf    <https://github.com/heapwolf>
+ * Copyright 2018-2019 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2019 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ *
+ *   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 3 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 <assert.h>
+#include <openssl/ssl.h>
+#include <uv.h>
+
+
+#include "base/net/http/HttpsClient.h"
+#include "base/tools/String.h"
+
+
+xmrig::HttpsClient::HttpsClient(int method, const String &url, IHttpListener *listener, const char *data, size_t size) :
+    HttpClient(method, url, listener, data, size),
+    m_ready(false),
+    m_buf(),
+    m_ssl(nullptr)
+{
+    m_ctx = SSL_CTX_new(SSLv23_method());
+    assert(m_ctx != nullptr);
+
+    if (!m_ctx) {
+        return;
+    }
+
+    m_writeBio = BIO_new(BIO_s_mem());
+    m_readBio  = BIO_new(BIO_s_mem());
+    SSL_CTX_set_options(m_ctx, SSL_OP_NO_SSLv2 | SSL_OP_NO_SSLv3);
+}
+
+
+xmrig::HttpsClient::~HttpsClient()
+{
+    if (m_ctx) {
+        SSL_CTX_free(m_ctx);
+    }
+
+    if (m_ssl) {
+        SSL_free(m_ssl);
+    }
+}
+
+
+void xmrig::HttpsClient::handshake()
+{
+    m_ssl = SSL_new(m_ctx);
+    assert(m_ssl != nullptr);
+
+    if (!m_ssl) {
+        return;
+    }
+
+    SSL_set_connect_state(m_ssl);
+    SSL_set_bio(m_ssl, m_readBio, m_writeBio);
+    SSL_set_tlsext_host_name(m_ssl, host().data());
+
+    SSL_do_handshake(m_ssl);
+
+    flush();
+}
+
+
+void xmrig::HttpsClient::read(const char *data, size_t size)
+{
+    BIO_write(m_readBio, data, size);
+
+    if (!SSL_is_init_finished(m_ssl)) {
+        const int rc = SSL_connect(m_ssl);
+
+        if (rc < 0 && SSL_get_error(m_ssl, rc) == SSL_ERROR_WANT_READ) {
+            flush();
+        } else if (rc == 1) {
+            X509 *cert = SSL_get_peer_certificate(m_ssl);
+            if (!verify(cert)) {
+                X509_free(cert);
+                return close();
+            }
+
+            X509_free(cert);
+            m_ready = true;
+
+            HttpClient::handshake();
+      }
+
+      return;
+    }
+
+    int bytes_read = 0;
+    while ((bytes_read = SSL_read(m_ssl, m_buf, sizeof(m_buf))) > 0) {
+        HttpClient::read(m_buf, static_cast<size_t>(bytes_read));
+    }
+}
+
+
+void xmrig::HttpsClient::write(const std::string &header)
+{
+    SSL_write(m_ssl, (header + body).c_str(), header.size() + body.size());
+    flush();
+}
+
+
+bool xmrig::HttpsClient::verify(X509 *cert) const
+{
+    return cert != nullptr;
+}
+
+
+void xmrig::HttpsClient::flush()
+{
+    uv_buf_t buf;
+    buf.len = BIO_get_mem_data(m_writeBio, &buf.base);
+
+    if (buf.len == 0) {
+        return;
+    }
+
+    bool result = false;
+    if (uv_is_writable(stream())) {
+        result = uv_try_write(stream(), &buf, 1) == buf.len;
+
+        if (!result) {
+            close();
+        }
+    }
+
+    (void) BIO_reset(m_writeBio);
+}