mirror of
https://github.com/ZLMediaKit/ZLMediaKit.git
synced 2024-10-06 12:13:49 +08:00
420 lines
16 KiB
C++
420 lines
16 KiB
C++
/*
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* MIT License
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*
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* Copyright (c) 2016-2019 xiongziliang <771730766@qq.com>
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*
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* This file is part of ZLMediaKit(https://github.com/xiongziliang/ZLMediaKit).
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include <sstream>
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#include <unordered_map>
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#include <mutex>
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#include "System.h"
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#include "jsoncpp/json.h"
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#include "Util/logger.h"
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#include "Util/util.h"
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#include "Util/onceToken.h"
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#include "Util/NoticeCenter.h"
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#include "Common/config.h"
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#include "Common/MediaSource.h"
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#include "Http/HttpRequester.h"
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#include "Network/TcpSession.h"
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#include "Rtsp/RtspSession.h"
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#include "Http/HttpSession.h"
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using namespace Json;
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using namespace toolkit;
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using namespace mediakit;
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//支持json或urlencoded方式传输参数
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#define JSON_ARGS
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#ifdef JSON_ARGS
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typedef Value ArgsType;
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#else
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typedef HttpArgs ArgsType;
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#endif
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namespace Hook {
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#define HOOK_FIELD "hook."
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const char kEnable[] = HOOK_FIELD"enable";
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const char kTimeoutSec[] = HOOK_FIELD"timeoutSec";
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const char kOnPublish[] = HOOK_FIELD"on_publish";
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const char kOnPlay[] = HOOK_FIELD"on_play";
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const char kOnFlowReport[] = HOOK_FIELD"on_flow_report";
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const char kOnRtspRealm[] = HOOK_FIELD"on_rtsp_realm";
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const char kOnRtspAuth[] = HOOK_FIELD"on_rtsp_auth";
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const char kOnStreamChanged[] = HOOK_FIELD"on_stream_changed";
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const char kOnStreamNotFound[] = HOOK_FIELD"on_stream_not_found";
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const char kOnRecordMp4[] = HOOK_FIELD"on_record_mp4";
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const char kOnShellLogin[] = HOOK_FIELD"on_shell_login";
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const char kOnStreamNoneReader[] = HOOK_FIELD"on_stream_none_reader";
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const char kOnHttpAccess[] = HOOK_FIELD"on_http_access";
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const char kAdminParams[] = HOOK_FIELD"admin_params";
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onceToken token([](){
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mINI::Instance()[kEnable] = true;
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mINI::Instance()[kTimeoutSec] = 10;
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mINI::Instance()[kOnPublish] = "https://127.0.0.1/index/hook/on_publish";
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mINI::Instance()[kOnPlay] = "https://127.0.0.1/index/hook/on_play";
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mINI::Instance()[kOnFlowReport] = "https://127.0.0.1/index/hook/on_flow_report";
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mINI::Instance()[kOnRtspRealm] = "https://127.0.0.1/index/hook/on_rtsp_realm";
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mINI::Instance()[kOnRtspAuth] = "https://127.0.0.1/index/hook/on_rtsp_auth";
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mINI::Instance()[kOnStreamChanged] = "https://127.0.0.1/index/hook/on_stream_changed";
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mINI::Instance()[kOnStreamNotFound] = "https://127.0.0.1/index/hook/on_stream_not_found";
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mINI::Instance()[kOnRecordMp4] = "https://127.0.0.1/index/hook/on_record_mp4";
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mINI::Instance()[kOnShellLogin] = "https://127.0.0.1/index/hook/on_shell_login";
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mINI::Instance()[kOnStreamNoneReader] = "https://127.0.0.1/index/hook/on_stream_none_reader";
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mINI::Instance()[kOnHttpAccess] = "https://127.0.0.1/index/hook/on_http_access";
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mINI::Instance()[kAdminParams] = "secret=035c73f7-bb6b-4889-a715-d9eb2d1925cc";
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},nullptr);
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}//namespace Hook
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static void parse_http_response(const SockException &ex,
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const string &status,
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const HttpClient::HttpHeader &header,
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const string &strRecvBody,
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const function<void(const Value &,const string &)> &fun){
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if(ex){
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auto errStr = StrPrinter << "[network err]:" << ex.what() << endl;
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fun(Json::nullValue,errStr);
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return;
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}
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if(status != "200"){
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auto errStr = StrPrinter << "[bad http status code]:" << status << endl;
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fun(Json::nullValue,errStr);
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return;
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}
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try {
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stringstream ss(strRecvBody);
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Value result;
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ss >> result;
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if(result["code"].asInt() != 0) {
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auto errStr = StrPrinter << "[json code]:" << "code=" << result["code"] << ",msg=" << result["msg"] << endl;
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fun(Json::nullValue,errStr);
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return;
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}
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fun(result,"");
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}catch (std::exception &ex){
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auto errStr = StrPrinter << "[parse json failed]:" << ex.what() << endl;
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fun(Json::nullValue,errStr);
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}
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}
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string to_string(const Value &value){
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return value.toStyledString();
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}
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string to_string(const HttpArgs &value){
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return value.make();
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}
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const char *getContentType(const Value &value){
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return "application/json";
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}
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const char *getContentType(const HttpArgs &value){
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return "application/x-www-form-urlencoded";
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}
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static void do_http_hook(const string &url,const ArgsType &body,const function<void(const Value &,const string &)> &fun){
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GET_CONFIG(float,hook_timeoutSec,Hook::kTimeoutSec);
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HttpRequester::Ptr requester(new HttpRequester);
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requester->setMethod("POST");
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auto bodyStr = to_string(body);
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requester->setBody(bodyStr);
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requester->addHeader("Content-Type",getContentType(body));
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std::shared_ptr<Ticker> pTicker(new Ticker);
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requester->startRequester(url,[url,fun,bodyStr,requester,pTicker](const SockException &ex,
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const string &status,
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const HttpClient::HttpHeader &header,
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const string &strRecvBody){
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onceToken token(nullptr,[&](){
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const_cast<HttpRequester::Ptr &>(requester).reset();
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});
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parse_http_response(ex,status,header,strRecvBody,[&](const Value &obj,const string &err){
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if(fun){
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fun(obj,err);
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}
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if(!err.empty()) {
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WarnL << "hook " << url << " " <<pTicker->elapsedTime() << "ms,failed" << err << ":" << bodyStr;
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}else if(pTicker->elapsedTime() > 500){
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DebugL << "hook " << url << " " <<pTicker->elapsedTime() << "ms,success:" << bodyStr;
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}
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});
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},hook_timeoutSec);
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}
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static ArgsType make_json(const MediaInfo &args){
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ArgsType body;
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body["schema"] = args._schema;
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body["vhost"] = args._vhost;
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body["app"] = args._app;
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body["stream"] = args._streamid;
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body["params"] = args._param_strs;
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return std::move(body);
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}
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void installWebHook(){
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GET_CONFIG(bool,hook_enable,Hook::kEnable);
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GET_CONFIG(string,hook_publish,Hook::kOnPublish);
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GET_CONFIG(string,hook_play,Hook::kOnPlay);
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GET_CONFIG(string,hook_flowreport,Hook::kOnFlowReport);
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GET_CONFIG(string,hook_adminparams,Hook::kAdminParams);
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GET_CONFIG(string,hook_rtsp_realm,Hook::kOnRtspRealm);
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GET_CONFIG(string,hook_rtsp_auth,Hook::kOnRtspAuth);
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GET_CONFIG(string,hook_stream_chaned,Hook::kOnStreamChanged);
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GET_CONFIG(string,hook_stream_not_found,Hook::kOnStreamNotFound);
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GET_CONFIG(string,hook_record_mp4,Hook::kOnRecordMp4);
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GET_CONFIG(string,hook_shell_login,Hook::kOnShellLogin);
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GET_CONFIG(string,hook_stream_none_reader,Hook::kOnStreamNoneReader);
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GET_CONFIG(string,hook_http_access,Hook::kOnHttpAccess);
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NoticeCenter::Instance().addListener(nullptr,Broadcast::kBroadcastMediaPublish,[](BroadcastMediaPublishArgs){
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if(!hook_enable || args._param_strs == hook_adminparams || hook_publish.empty() || sender.get_peer_ip() == "127.0.0.1"){
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invoker("");
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return;
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}
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//异步执行该hook api，防止阻塞NoticeCenter
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auto body = make_json(args);
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body["ip"] = sender.get_peer_ip();
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body["port"] = sender.get_peer_port();
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body["id"] = sender.getIdentifier();
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//执行hook
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do_http_hook(hook_publish,body,[invoker](const Value &obj,const string &err){
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invoker(err);
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});
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});
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NoticeCenter::Instance().addListener(nullptr,Broadcast::kBroadcastMediaPlayed,[](BroadcastMediaPlayedArgs){
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if(!hook_enable || args._param_strs == hook_adminparams || hook_play.empty() || sender.get_peer_ip() == "127.0.0.1"){
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invoker("");
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return;
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}
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auto body = make_json(args);
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body["ip"] = sender.get_peer_ip();
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body["port"] = sender.get_peer_port();
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body["id"] = sender.getIdentifier();
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//执行hook
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do_http_hook(hook_play,body,[invoker](const Value &obj,const string &err){
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invoker(err);
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});
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});
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NoticeCenter::Instance().addListener(nullptr,Broadcast::kBroadcastFlowReport,[](BroadcastFlowReportArgs){
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if(!hook_enable || args._param_strs == hook_adminparams || hook_flowreport.empty() || sender.get_peer_ip() == "127.0.0.1"){
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return;
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}
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auto body = make_json(args);
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body["ip"] = sender.get_peer_ip();
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body["port"] = sender.get_peer_port();
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body["id"] = sender.getIdentifier();
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body["totalBytes"] = (Json::UInt64)totalBytes;
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body["duration"] = (Json::UInt64)totalDuration;
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body["player"] = isPlayer;
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//执行hook
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do_http_hook(hook_flowreport,body, nullptr);
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});
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static const string unAuthedRealm = "unAuthedRealm";
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//监听kBroadcastOnGetRtspRealm事件决定rtsp链接是否需要鉴权(传统的rtsp鉴权方案)才能访问
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NoticeCenter::Instance().addListener(nullptr,Broadcast::kBroadcastOnGetRtspRealm,[](BroadcastOnGetRtspRealmArgs){
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if(!hook_enable || args._param_strs == hook_adminparams || hook_rtsp_realm.empty() || sender.get_peer_ip() == "127.0.0.1"){
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//无需认证
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invoker("");
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return;
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}
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auto body = make_json(args);
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body["ip"] = sender.get_peer_ip();
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body["port"] = sender.get_peer_port();
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body["id"] = sender.getIdentifier();
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//执行hook
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do_http_hook(hook_rtsp_realm,body, [invoker](const Value &obj,const string &err){
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if(!err.empty()){
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//如果接口访问失败，那么该rtsp流认证失败
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invoker(unAuthedRealm);
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return;
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}
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invoker(obj["realm"].asString());
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});
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});
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//监听kBroadcastOnRtspAuth事件返回正确的rtsp鉴权用户密码
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NoticeCenter::Instance().addListener(nullptr,Broadcast::kBroadcastOnRtspAuth,[](BroadcastOnRtspAuthArgs){
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if(unAuthedRealm == realm || !hook_enable || hook_rtsp_auth.empty()){
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//认证失败
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invoker(false,makeRandStr(12));
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return;
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}
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auto body = make_json(args);
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body["ip"] = sender.get_peer_ip();
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body["port"] = sender.get_peer_port();
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body["id"] = sender.getIdentifier();
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body["user_name"] = user_name;
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body["must_no_encrypt"] = must_no_encrypt;
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body["realm"] = realm;
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//执行hook
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do_http_hook(hook_rtsp_auth,body, [invoker](const Value &obj,const string &err){
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if(!err.empty()){
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//认证失败
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invoker(false,makeRandStr(12));
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return;
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}
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invoker(obj["encrypted"].asBool(),obj["passwd"].asString());
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});
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});
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//监听rtsp、rtmp源注册或注销事件
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NoticeCenter::Instance().addListener(nullptr,Broadcast::kBroadcastMediaChanged,[](BroadcastMediaChangedArgs){
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if(!hook_enable || hook_stream_chaned.empty()){
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return;
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}
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ArgsType body;
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body["regist"] = bRegist;
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body["schema"] = schema;
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body["vhost"] = vhost;
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body["app"] = app;
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body["stream"] = stream;
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//执行hook
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do_http_hook(hook_stream_chaned,body, nullptr);
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});
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//监听播放失败(未找到特定的流)事件
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NoticeCenter::Instance().addListener(nullptr,Broadcast::kBroadcastNotFoundStream,[](BroadcastNotFoundStreamArgs){
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if(!hook_enable || hook_stream_not_found.empty()){
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return;
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}
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auto body = make_json(args);
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body["ip"] = sender.get_peer_ip();
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body["port"] = sender.get_peer_port();
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body["id"] = sender.getIdentifier();
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//执行hook
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do_http_hook(hook_stream_not_found,body, nullptr);
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});
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#ifdef ENABLE_MP4V2
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//录制mp4文件成功后广播
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NoticeCenter::Instance().addListener(nullptr,Broadcast::kBroadcastRecordMP4,[](BroadcastRecordMP4Args){
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if(!hook_enable || hook_record_mp4.empty()){
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return;
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}
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ArgsType body;
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body["start_time"] = (Json::UInt64)info.ui64StartedTime;
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body["time_len"] = (Json::UInt64)info.ui64TimeLen;
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body["file_size"] = (Json::UInt64)info.ui64FileSize;
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body["file_path"] = info.strFilePath;
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body["file_name"] = info.strFileName;
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body["folder"] = info.strFolder;
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body["url"] = info.strUrl;
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body["app"] = info.strAppName;
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body["stream"] = info.strStreamId;
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body["vhost"] = info.strVhost;
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//执行hook
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do_http_hook(hook_record_mp4,body, nullptr);
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});
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#endif //ENABLE_MP4V2
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NoticeCenter::Instance().addListener(nullptr,Broadcast::kBroadcastShellLogin,[](BroadcastShellLoginArgs){
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if(!hook_enable || hook_shell_login.empty() || sender.get_peer_ip() == "127.0.0.1"){
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invoker("");
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return;
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}
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ArgsType body;
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body["ip"] = sender.get_peer_ip();
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body["port"] = sender.get_peer_port();
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body["id"] = sender.getIdentifier();
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body["user_name"] = user_name;
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body["passwd"] = passwd;
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//执行hook
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do_http_hook(hook_shell_login,body, [invoker](const Value &,const string &err){
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invoker(err);
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});
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});
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NoticeCenter::Instance().addListener(nullptr,Broadcast::kBroadcastStreamNoneReader,[](BroadcastStreamNoneReaderArgs){
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if(!hook_enable || hook_stream_none_reader.empty()){
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return;
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}
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ArgsType body;
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body["schema"] = sender.getSchema();
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body["vhost"] = sender.getVhost();
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body["app"] = sender.getApp();
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body["stream"] = sender.getId();
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weak_ptr<MediaSource> weakSrc = sender.shared_from_this();
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//执行hook
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do_http_hook(hook_stream_none_reader,body, [weakSrc](const Value &obj,const string &err){
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bool flag = obj["close"].asBool();
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auto strongSrc = weakSrc.lock();
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if(!flag || !err.empty() || !strongSrc){
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return;
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}
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strongSrc->close(false);
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});
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});
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NoticeCenter::Instance().addListener(nullptr,Broadcast::kBroadcastHttpAccess,[](BroadcastHttpAccessArgs){
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if(!hook_enable || args._param_strs == hook_adminparams || hook_http_access.empty() || sender.get_peer_ip() == "127.0.0.1"){
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//这种情况下随便访问,先让他随便访问1分钟，之后可能开启鉴权
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invoker("/",60);
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return;
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}
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ArgsType body;
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body["ip"] = sender.get_peer_ip();
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body["port"] = sender.get_peer_port();
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body["id"] = sender.getIdentifier();
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body["path"] = path;
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body["is_dir"] = is_dir;
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body["params"] = parser.Params();
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body["content"] = parser.Content();
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for(auto &pr : parser.getValues()){
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body[string("header.") + pr.first] = pr.second;
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}
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//执行hook
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do_http_hook(hook_http_access,body, [invoker](const Value &obj,const string &err){
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if(!err.empty()){
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//如果接口访问失败，那么仅限本次没有访问http服务器的权限
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invoker("",0);
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return;
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}
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//path参数是该客户端能访问的根目录，该目录下的所有文件它都能访问
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//second参数规定该cookie超时时间,超过这个时间后，用户需要重新鉴权
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invoker(obj["path"].asString(),obj["second"].asInt());
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});
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});
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}
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void unInstallWebHook(){
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} |