Initial commit

backends/networking/http/httprequest.cpp

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * 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 "backends/networking/http/httprequest.h"
+#include "backends/networking/http/connectionmanager.h"
+#include "backends/networking/http/networkreadstream.h"
+#include "common/textconsole.h"
+
+namespace Networking {
+
+HttpRequest::HttpRequest(DataCallback cb, ErrorCallback ecb, const Common::String &url):
+	Request(cb, ecb), _url(url), _stream(nullptr), _bytesBuffer(nullptr),
+	_bytesBufferSize(0), _uploading(false), _usingPatch(false), _keepAlive(false), _keepAliveIdle(120), _keepAliveInterval(60) {}
+
+HttpRequest::~HttpRequest() {
+	delete _stream;
+	delete[] _bytesBuffer;
+}
+
+NetworkReadStream *HttpRequest::makeStream() {
+	if (_bytesBuffer)
+		return NetworkReadStream::make(_url.c_str(), &_headersList, _bytesBuffer, _bytesBufferSize, _uploading, _usingPatch, true, _keepAlive, _keepAliveIdle, _keepAliveInterval);
+	if (!_formFields.empty() || !_formFiles.empty())
+		return NetworkReadStream::make(_url.c_str(), &_headersList, _formFields, _formFiles, _keepAlive, _keepAliveIdle, _keepAliveInterval);
+	return NetworkReadStream::make(_url.c_str(), &_headersList, _postFields, _uploading, _usingPatch, _keepAlive, _keepAliveIdle, _keepAliveInterval);
+}
+
+void HttpRequest::handle() {
+	if (!_stream) _stream = makeStream();
+
+	if (_stream && _stream->eos()) {
+		if (_stream->httpResponseCode() != 200) {
+			warning("HttpRequest: HTTP response code is not 200 OK (it's %ld)", _stream->httpResponseCode());
+			ErrorResponse error(this, false, true, "HTTP response code is not 200 OK", _stream->httpResponseCode());
+			finishError(error);
+			return;
+		}
+
+		finishSuccess(); //note that this Request doesn't call its callback on success (that's because it has nothing to return)
+	}
+}
+
+void HttpRequest::restart() {
+	if (_stream)
+		delete _stream;
+	_stream = nullptr;
+	//with no stream available next handle() will create another one
+}
+
+Common::String HttpRequest::date() const {
+	if (_stream) {
+		Common::HashMap<Common::String, Common::String> headers = _stream->responseHeadersMap();
+		if (headers.contains("date"))
+			return headers["date"];
+	}
+	return "";
+}
+
+void HttpRequest::setHeaders(const Common::Array<Common::String> &headers) {
+	_headersList = headers;
+}
+
+void HttpRequest::addHeader(const Common::String &header) {
+	_headersList.push_back(header);
+}
+
+void HttpRequest::addPostField(const Common::String &keyValuePair) {
+	if (_bytesBuffer)
+		warning("HttpRequest: added POST fields would be ignored, because there is buffer present");
+
+	if (!_formFields.empty() || !_formFiles.empty())
+		warning("HttpRequest: added POST fields would be ignored, because there are form fields/files present");
+
+	if (_postFields == "")
+		_postFields = keyValuePair;
+	else
+		_postFields += "&" + keyValuePair;
+}
+
+void HttpRequest::addFormField(const Common::String &name, const Common::String &value) {
+	if (_bytesBuffer)
+		warning("HttpRequest: added POST form fields would be ignored, because there is buffer present");
+
+	if (_formFields.contains(name))
+		warning("HttpRequest: form field '%s' already had a value", name.c_str());
+
+	_formFields[name] = value;
+}
+
+void HttpRequest::addFormFile(const Common::String &name, const Common::Path &filename) {
+	if (_bytesBuffer)
+		warning("HttpRequest: added POST form files would be ignored, because there is buffer present");
+
+	if (_formFields.contains(name))
+		warning("HttpRequest: form file field '%s' already had a value", name.c_str());
+
+	_formFiles[name] = filename;
+}
+
+void HttpRequest::setBuffer(byte *buffer, uint32 size) {
+	if (_postFields != "")
+		warning("HttpRequest: added POST fields would be ignored, because buffer added");
+
+	if (_bytesBuffer)
+		delete[] _bytesBuffer;
+
+	_bytesBuffer = buffer;
+	_bytesBufferSize = size;
+}
+
+void HttpRequest::usePut() { _uploading = true; }
+
+void HttpRequest::usePatch() { _usingPatch = true; }
+
+void HttpRequest::connectionKeepAlive(long idle, long interval) {
+	_keepAlive = true;
+	_keepAliveIdle = idle;
+	_keepAliveInterval = interval;
+}
+
+void HttpRequest::connectionClose() {
+	_keepAlive = false;
+}
+
+NetworkReadStreamResponse HttpRequest::execute() {
+	if (!_stream) {
+		_stream = makeStream();
+		ConnMan.addRequest(this);
+	}
+
+	return NetworkReadStreamResponse(this, _stream);
+}
+
+const NetworkReadStream *HttpRequest::getNetworkReadStream() const { return _stream; }
+
+void HttpRequest::wait(int spinlockDelay) {
+	while (state() == Networking::PROCESSING) {
+		g_system->delayMillis(spinlockDelay);
+	}
+}
+
+} // End of namespace Networking