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/* <!-- copyright */
/*
* aria2 - The high speed download utility
*
* Copyright (C) 2011 Tatsuhiro Tsujikawa
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* In addition, 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 two.
* You must obey the GNU General Public License in all respects
* for all of the code used other than OpenSSL. 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 here.
*/
/* copyright --> */
#include "rpc_helper.h"
#include "XmlParser.h"
#include "RpcRequest.h"
#include "XmlRpcRequestParserStateMachine.h"
#include "message.h"
#include "DlAbortEx.h"
#include "DownloadEngine.h"
#include "RpcMethod.h"
#include "RpcResponse.h"
#include "RpcMethodFactory.h"
#include "LogFactory.h"
#include "fmt.h"
namespace aria2 {
namespace rpc {
#ifdef ENABLE_XML_RPC
RpcRequest xmlParseMemory(const char* xml, size_t size)
{
XmlRpcRequestParserStateMachine psm;
if(xml::XmlParser(&psm).parseFinal(xml, size) < 0) {
throw DL_ABORT_EX(MSG_CANNOT_PARSE_XML_RPC_REQUEST);
}
SharedHandle<List> params;
if(downcast<List>(psm.getCurrentFrameValue())) {
params = static_pointer_cast<List>(psm.getCurrentFrameValue());
} else {
params = List::g();
}
return RpcRequest(psm.getMethodName(), params);
}
#endif // ENABLE_XML_RPC
RpcResponse createJsonRpcErrorResponse(int code,
const std::string& msg,
const SharedHandle<ValueBase>& id)
{
SharedHandle<Dict> params = Dict::g();
params->put("code", Integer::g(code));
params->put("message", msg);
rpc::RpcResponse res(code, params, id);
return res;
}
RpcResponse processJsonRpcRequest(const Dict* jsondict, DownloadEngine* e)
{
SharedHandle<ValueBase> id = jsondict->get("id");
if(!id) {
return createJsonRpcErrorResponse(-32600, "Invalid Request.", Null::g());
}
const String* methodName = downcast<String>(jsondict->get("method"));
if(!methodName) {
return createJsonRpcErrorResponse(-32600, "Invalid Request.", id);
}
SharedHandle<List> params;
const SharedHandle<ValueBase>& tempParams = jsondict->get("params");
if(downcast<List>(tempParams)) {
params = static_pointer_cast<List>(tempParams);
} else if(!tempParams) {
params = List::g();
} else {
// TODO No support for Named params
return createJsonRpcErrorResponse(-32602, "Invalid params.", id);
}
rpc::RpcRequest req(methodName->s(), params, id);
req.jsonRpc = true;
SharedHandle<rpc::RpcMethod> method;
try {
method = rpc::RpcMethodFactory::create(req.methodName);
} catch(RecoverableException& e) {
A2_LOG_INFO_EX(EX_EXCEPTION_CAUGHT, e);
return createJsonRpcErrorResponse(-32601, "Method not found.", id);
}
A2_LOG_INFO(fmt("Executing RPC method %s", req.methodName.c_str()));
rpc::RpcResponse res = method->execute(req, e);
return res;
}
} // namespace rpc
} // namespace aria2
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