mirror of
https://github.com/ZLMediaKit/ZLMediaKit.git
synced 2024-11-01 00:57:28 +08:00
726 lines
22 KiB
C++
726 lines
22 KiB
C++
/*
|
||
* MIT License
|
||
*
|
||
* Copyright (c) 2016 xiongziliang <771730766@qq.com>
|
||
*
|
||
* This file is part of ZLMediaKit(https://github.com/xiongziliang/ZLMediaKit).
|
||
*
|
||
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||
* of this software and associated documentation files (the "Software"), to deal
|
||
* in the Software without restriction, including without limitation the rights
|
||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||
* copies of the Software, and to permit persons to whom the Software is
|
||
* furnished to do so, subject to the following conditions:
|
||
*
|
||
* The above copyright notice and this permission notice shall be included in all
|
||
* copies or substantial portions of the Software.
|
||
*
|
||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||
* SOFTWARE.
|
||
*/
|
||
#if !defined(_WIN32)
|
||
#include <dirent.h>
|
||
#endif //!defined(_WIN32)
|
||
|
||
#include <stdio.h>
|
||
#include <sys/stat.h>
|
||
#include <algorithm>
|
||
|
||
#include "Common/config.h"
|
||
#include "strCoding.h"
|
||
#include "HttpSession.h"
|
||
#include "Util/File.h"
|
||
#include "Util/util.h"
|
||
#include "Util/TimeTicker.h"
|
||
#include "Util/onceToken.h"
|
||
#include "Util/mini.h"
|
||
#include "Util/NoticeCenter.h"
|
||
#include "Util/base64.h"
|
||
#include "Util/SHA1.h"
|
||
#include "Rtmp/utils.h"
|
||
using namespace toolkit;
|
||
|
||
namespace mediakit {
|
||
|
||
static int kSockFlags = SOCKET_DEFAULE_FLAGS | FLAG_MORE;
|
||
|
||
string dateStr() {
|
||
char buf[64];
|
||
time_t tt = time(NULL);
|
||
strftime(buf, sizeof buf, "%a, %b %d %Y %H:%M:%S GMT", gmtime(&tt));
|
||
return buf;
|
||
}
|
||
static const char*
|
||
get_mime_type(const char* name) {
|
||
const char* dot;
|
||
dot = strrchr(name, '.');
|
||
static HttpSession::KeyValue mapType;
|
||
static onceToken token([&]() {
|
||
mapType.emplace(".html","text/html");
|
||
mapType.emplace(".htm","text/html");
|
||
mapType.emplace(".mp4","video/mp4");
|
||
mapType.emplace(".m3u8","application/vnd.apple.mpegurl");
|
||
mapType.emplace(".jpg","image/jpeg");
|
||
mapType.emplace(".jpeg","image/jpeg");
|
||
mapType.emplace(".gif","image/gif");
|
||
mapType.emplace(".png","image/png");
|
||
mapType.emplace(".ico","image/x-icon");
|
||
mapType.emplace(".css","text/css");
|
||
mapType.emplace(".js","application/javascript");
|
||
mapType.emplace(".au","audio/basic");
|
||
mapType.emplace(".wav","audio/wav");
|
||
mapType.emplace(".avi","video/x-msvideo");
|
||
mapType.emplace(".mov","video/quicktime");
|
||
mapType.emplace(".qt","video/quicktime");
|
||
mapType.emplace(".mpeg","video/mpeg");
|
||
mapType.emplace(".mpe","video/mpeg");
|
||
mapType.emplace(".vrml","model/vrml");
|
||
mapType.emplace(".wrl","model/vrml");
|
||
mapType.emplace(".midi","audio/midi");
|
||
mapType.emplace(".mid","audio/midi");
|
||
mapType.emplace(".mp3","audio/mpeg");
|
||
mapType.emplace(".ogg","application/ogg");
|
||
mapType.emplace(".pac","application/x-ns-proxy-autoconfig");
|
||
mapType.emplace(".flv","video/x-flv");
|
||
}, nullptr);
|
||
if(!dot){
|
||
return "text/plain";
|
||
}
|
||
auto it = mapType.find(dot);
|
||
if (it == mapType.end()) {
|
||
return "text/plain";
|
||
}
|
||
return it->second.data();
|
||
}
|
||
|
||
|
||
HttpSession::HttpSession(const Socket::Ptr &pSock) : TcpSession(pSock) {
|
||
|
||
//设置10秒发送缓存
|
||
pSock->setSendBufSecond(10);
|
||
//设置15秒发送超时时间
|
||
pSock->setSendTimeOutSecond(15);
|
||
|
||
GET_CONFIG_AND_REGISTER(string,rootPath,Http::kRootPath);
|
||
_strPath = rootPath;
|
||
}
|
||
|
||
HttpSession::~HttpSession() {
|
||
//DebugL;
|
||
}
|
||
|
||
int64_t HttpSession::onRecvHeader(const char *header,uint64_t len) {
|
||
typedef bool (HttpSession::*HttpCMDHandle)(int64_t &);
|
||
static unordered_map<string, HttpCMDHandle> g_mapCmdIndex;
|
||
static onceToken token([]() {
|
||
g_mapCmdIndex.emplace("GET",&HttpSession::Handle_Req_GET);
|
||
g_mapCmdIndex.emplace("POST",&HttpSession::Handle_Req_POST);
|
||
}, nullptr);
|
||
|
||
_parser.Parse(header);
|
||
urlDecode(_parser);
|
||
string cmd = _parser.Method();
|
||
auto it = g_mapCmdIndex.find(cmd);
|
||
if (it == g_mapCmdIndex.end()) {
|
||
WarnL << cmd;
|
||
sendResponse("403 Forbidden", makeHttpHeader(true), "");
|
||
shutdown();
|
||
return 0;
|
||
}
|
||
|
||
//默认后面数据不是content而是header
|
||
int64_t content_len = 0;
|
||
auto &fun = it->second;
|
||
if(!(this->*fun)(content_len)){
|
||
shutdown();
|
||
}
|
||
//清空解析器节省内存
|
||
_parser.Clear();
|
||
//返回content长度
|
||
return content_len;
|
||
}
|
||
|
||
void HttpSession::onRecvContent(const char *data,uint64_t len) {
|
||
if(_contentCallBack){
|
||
if(!_contentCallBack(data,len)){
|
||
_contentCallBack = nullptr;
|
||
}
|
||
}
|
||
}
|
||
|
||
void HttpSession::onRecv(const Buffer::Ptr &pBuf) {
|
||
_ticker.resetTime();
|
||
input(pBuf->data(),pBuf->size());
|
||
}
|
||
|
||
void HttpSession::onError(const SockException& err) {
|
||
//WarnL << err.what();
|
||
GET_CONFIG_AND_REGISTER(uint32_t,iFlowThreshold,Broadcast::kFlowThreshold);
|
||
|
||
if(_ui64TotalBytes > iFlowThreshold * 1024){
|
||
NoticeCenter::Instance().emitEvent(Broadcast::kBroadcastFlowReport,
|
||
_mediaInfo,
|
||
_ui64TotalBytes,
|
||
_ticker.createdTime()/1000,
|
||
*this);
|
||
}
|
||
}
|
||
|
||
void HttpSession::onManager() {
|
||
GET_CONFIG_AND_REGISTER(uint32_t,keepAliveSec,Http::kKeepAliveSecond);
|
||
|
||
if(_ticker.elapsedTime() > keepAliveSec * 1000){
|
||
//1分钟超时
|
||
WarnL<<"HttpSession timeouted!";
|
||
shutdown();
|
||
}
|
||
}
|
||
|
||
|
||
inline bool HttpSession::checkWebSocket(){
|
||
auto Sec_WebSocket_Key = _parser["Sec-WebSocket-Key"];
|
||
if(Sec_WebSocket_Key.empty()){
|
||
return false;
|
||
}
|
||
auto Sec_WebSocket_Accept = encodeBase64(SHA1::encode_bin(Sec_WebSocket_Key + "258EAFA5-E914-47DA-95CA-C5AB0DC85B11"));
|
||
|
||
KeyValue headerOut;
|
||
headerOut["Upgrade"] = "websocket";
|
||
headerOut["Connection"] = "Upgrade";
|
||
headerOut["Sec-WebSocket-Accept"] = Sec_WebSocket_Accept;
|
||
sendResponse("101 Switching Protocols",headerOut,"");
|
||
return true;
|
||
}
|
||
//http-flv 链接格式:http://vhost-url:port/app/streamid.flv?key1=value1&key2=value2
|
||
//如果url(除去?以及后面的参数)后缀是.flv,那么表明该url是一个http-flv直播。
|
||
inline bool HttpSession::checkLiveFlvStream(){
|
||
auto pos = strrchr(_parser.Url().data(),'.');
|
||
if(!pos){
|
||
//未找到".flv"后缀
|
||
return false;
|
||
}
|
||
if(strcasecmp(pos,".flv") != 0){
|
||
//未找到".flv"后缀
|
||
return false;
|
||
}
|
||
//拼接成完整url
|
||
auto fullUrl = string(HTTP_SCHEMA) + "://" + _parser["Host"] + _parser.FullUrl();
|
||
_mediaInfo.parse(fullUrl);
|
||
_mediaInfo._streamid.erase(_mediaInfo._streamid.size() - 4);//去除.flv后缀
|
||
|
||
auto mediaSrc = dynamic_pointer_cast<RtmpMediaSource>(MediaSource::find(RTMP_SCHEMA,_mediaInfo._vhost,_mediaInfo._app,_mediaInfo._streamid));
|
||
if(!mediaSrc){
|
||
//该rtmp源不存在
|
||
return false;
|
||
}
|
||
|
||
auto onRes = [this,mediaSrc](const string &err){
|
||
bool authSuccess = err.empty();
|
||
if(!authSuccess){
|
||
sendResponse("401 Unauthorized", makeHttpHeader(true,err.size()),err);
|
||
shutdown();
|
||
return ;
|
||
}
|
||
//找到rtmp源,发送http头,负载后续发送
|
||
sendResponse("200 OK", makeHttpHeader(false,0,get_mime_type(".flv")), "");
|
||
|
||
//开始发送rtmp负载
|
||
//关闭tcp_nodelay ,优化性能
|
||
SockUtil::setNoDelay(_sock->rawFD(),false);
|
||
(*this) << SocketFlags(kSockFlags);
|
||
|
||
try{
|
||
start(mediaSrc);
|
||
}catch (std::exception &ex){
|
||
//该rtmp源不存在
|
||
shutdown();
|
||
}
|
||
};
|
||
|
||
weak_ptr<HttpSession> weakSelf = dynamic_pointer_cast<HttpSession>(shared_from_this());
|
||
Broadcast::AuthInvoker invoker = [weakSelf,onRes](const string &err){
|
||
auto strongSelf = weakSelf.lock();
|
||
if(!strongSelf){
|
||
return;
|
||
}
|
||
strongSelf->async([weakSelf,onRes,err](){
|
||
auto strongSelf = weakSelf.lock();
|
||
if(!strongSelf){
|
||
return;
|
||
}
|
||
onRes(err);
|
||
});
|
||
};
|
||
auto flag = NoticeCenter::Instance().emitEvent(Broadcast::kBroadcastMediaPlayed,_mediaInfo,invoker,*this);
|
||
if(!flag){
|
||
//该事件无人监听,默认不鉴权
|
||
onRes("");
|
||
}
|
||
return true;
|
||
}
|
||
inline bool HttpSession::Handle_Req_GET(int64_t &content_len) {
|
||
//先看看是否为WebSocket请求
|
||
if(checkWebSocket()){
|
||
content_len = -1;
|
||
auto parserCopy = _parser;
|
||
_contentCallBack = [this,parserCopy](const char *data,uint64_t len){
|
||
onRecvWebSocketData(parserCopy,data,len);
|
||
//_contentCallBack是可持续的,后面还要处理后续数据
|
||
return true;
|
||
};
|
||
return true;
|
||
}
|
||
|
||
//先看看该http事件是否被拦截
|
||
if(emitHttpEvent(false)){
|
||
return true;
|
||
}
|
||
|
||
//再看看是否为http-flv直播请求
|
||
if(checkLiveFlvStream()){
|
||
return true;
|
||
}
|
||
|
||
//事件未被拦截,则认为是http下载请求
|
||
auto fullUrl = string(HTTP_SCHEMA) + "://" + _parser["Host"] + _parser.FullUrl();
|
||
_mediaInfo.parse(fullUrl);
|
||
|
||
string strFile = _strPath + "/" + _mediaInfo._vhost + _parser.Url();
|
||
/////////////HTTP连接是否需要被关闭////////////////
|
||
GET_CONFIG_AND_REGISTER(uint32_t,reqCnt,Http::kMaxReqCount);
|
||
|
||
bool bClose = (strcasecmp(_parser["Connection"].data(),"close") == 0) || ( ++_iReqCnt > reqCnt);
|
||
//访问的是文件夹
|
||
if (strFile.back() == '/') {
|
||
//生成文件夹菜单索引
|
||
string strMeun;
|
||
if (!makeMeun(strFile,_mediaInfo._vhost, strMeun)) {
|
||
//文件夹不存在
|
||
sendNotFound(bClose);
|
||
return !bClose;
|
||
}
|
||
sendResponse("200 OK", makeHttpHeader(bClose,strMeun.size() ), strMeun);
|
||
return !bClose;
|
||
}
|
||
//访问的是文件
|
||
struct stat tFileStat;
|
||
if (0 != stat(strFile.data(), &tFileStat)) {
|
||
//文件不存在
|
||
sendNotFound(bClose);
|
||
return !bClose;
|
||
}
|
||
//文件智能指针,防止退出时未关闭
|
||
std::shared_ptr<FILE> pFilePtr(fopen(strFile.data(), "rb"), [](FILE *pFile) {
|
||
if(pFile){
|
||
fclose(pFile);
|
||
}
|
||
});
|
||
|
||
if (!pFilePtr) {
|
||
//打开文件失败
|
||
sendNotFound(bClose);
|
||
return !bClose;
|
||
}
|
||
|
||
//判断是不是分节下载
|
||
auto &strRange = _parser["Range"];
|
||
int64_t iRangeStart = 0, iRangeEnd = 0;
|
||
iRangeStart = atoll(FindField(strRange.data(), "bytes=", "-").data());
|
||
iRangeEnd = atoll(FindField(strRange.data(), "-", "\r\n").data());
|
||
if (iRangeEnd == 0) {
|
||
iRangeEnd = tFileStat.st_size - 1;
|
||
}
|
||
const char *pcHttpResult = NULL;
|
||
if (strRange.size() == 0) {
|
||
//全部下载
|
||
pcHttpResult = "200 OK";
|
||
} else {
|
||
//分节下载
|
||
pcHttpResult = "206 Partial Content";
|
||
fseek(pFilePtr.get(), iRangeStart, SEEK_SET);
|
||
}
|
||
auto httpHeader=makeHttpHeader(bClose, iRangeEnd - iRangeStart + 1, get_mime_type(strFile.data()));
|
||
if (strRange.size() != 0) {
|
||
//分节下载返回Content-Range头
|
||
httpHeader.emplace("Content-Range",StrPrinter<<"bytes " << iRangeStart << "-" << iRangeEnd << "/" << tFileStat.st_size<< endl);
|
||
}
|
||
auto Origin = _parser["Origin"];
|
||
if(!Origin.empty()){
|
||
httpHeader["Access-Control-Allow-Origin"] = Origin;
|
||
httpHeader["Access-Control-Allow-Credentials"] = "true";
|
||
}
|
||
//先回复HTTP头部分
|
||
sendResponse(pcHttpResult, httpHeader, "");
|
||
if (iRangeEnd - iRangeStart < 0) {
|
||
//文件是空的!
|
||
return !bClose;
|
||
}
|
||
//回复Content部分
|
||
std::shared_ptr<int64_t> piLeft(new int64_t(iRangeEnd - iRangeStart + 1));
|
||
|
||
GET_CONFIG_AND_REGISTER(uint32_t,sendBufSize,Http::kSendBufSize);
|
||
|
||
weak_ptr<HttpSession> weakSelf = dynamic_pointer_cast<HttpSession>(shared_from_this());
|
||
auto onFlush = [pFilePtr,bClose,weakSelf,piLeft]() {
|
||
TimeTicker();
|
||
auto strongSelf = weakSelf.lock();
|
||
while(*piLeft && strongSelf){
|
||
//更新超时定时器
|
||
strongSelf->_ticker.resetTime();
|
||
//从循环池获取一个内存片
|
||
auto sendBuf = strongSelf->obtainBuffer();
|
||
sendBuf->setCapacity(sendBufSize);
|
||
//本次需要读取文件字节数
|
||
int64_t iReq = MIN(sendBufSize,*piLeft);
|
||
//读文件
|
||
int iRead;
|
||
do{
|
||
iRead = fread(sendBuf->data(), 1, iReq, pFilePtr.get());
|
||
}while(-1 == iRead && UV_EINTR == get_uv_error(false));
|
||
//文件剩余字节数
|
||
|
||
*piLeft -= iRead;
|
||
|
||
if (iRead < iReq || !*piLeft) {
|
||
//文件读完
|
||
//InfoL << "send complete!" << iRead << " " << iReq << " " << *piLeft;
|
||
if(iRead>0) {
|
||
sendBuf->setSize(iRead);
|
||
strongSelf->send(sendBuf);
|
||
}
|
||
if(bClose) {
|
||
strongSelf->shutdown();
|
||
}
|
||
return false;
|
||
}
|
||
//文件还未读完
|
||
sendBuf->setSize(iRead);
|
||
int iSent = strongSelf->send(sendBuf);
|
||
if(iSent == -1) {
|
||
//InfoL << "send error";
|
||
return false;
|
||
}
|
||
if(iSent < iRead) {
|
||
//数据回滚
|
||
fseek(pFilePtr.get(), -iRead, SEEK_CUR);
|
||
*piLeft += iRead;
|
||
return true;
|
||
}
|
||
if(strongSelf->isSocketBusy()){
|
||
//套接字忙,那么停止继续写
|
||
return true;
|
||
}
|
||
//send success
|
||
}
|
||
return false;
|
||
};
|
||
//关闭tcp_nodelay ,优化性能
|
||
SockUtil::setNoDelay(_sock->rawFD(),false);
|
||
//设置MSG_MORE,优化性能
|
||
(*this) << SocketFlags(kSockFlags);
|
||
|
||
onFlush();
|
||
_sock->setOnFlush(onFlush);
|
||
return true;
|
||
}
|
||
|
||
inline bool HttpSession::makeMeun(const string &strFullPath,const string &vhost, string &strRet) {
|
||
string strPathPrefix(strFullPath);
|
||
strPathPrefix = strPathPrefix.substr(0, strPathPrefix.length() - 1);
|
||
if (!File::is_dir(strPathPrefix.data())) {
|
||
return false;
|
||
}
|
||
strRet = "<html>\r\n"
|
||
"<head>\r\n"
|
||
"<title>文件索引</title>\r\n"
|
||
"</head>\r\n"
|
||
"<body>\r\n"
|
||
"<h1>文件索引:";
|
||
|
||
string strPath = strFullPath;
|
||
strPath = strPath.substr(_strPath.length() + vhost.length() + 1);
|
||
strRet += strPath;
|
||
strRet += "</h1>\r\n";
|
||
if (strPath != "/") {
|
||
strRet += "<li><a href=\"";
|
||
strRet += "/";
|
||
strRet += "\">";
|
||
strRet += "根目录";
|
||
strRet += "</a></li>\r\n";
|
||
|
||
strRet += "<li><a href=\"";
|
||
strRet += "../";
|
||
strRet += "\">";
|
||
strRet += "上级目录";
|
||
strRet += "</a></li>\r\n";
|
||
}
|
||
|
||
DIR *pDir;
|
||
dirent *pDirent;
|
||
if ((pDir = opendir(strPathPrefix.data())) == NULL) {
|
||
return false;
|
||
}
|
||
set<string> setFile;
|
||
while ((pDirent = readdir(pDir)) != NULL) {
|
||
if (File::is_special_dir(pDirent->d_name)) {
|
||
continue;
|
||
}
|
||
if(pDirent->d_name[0] == '.'){
|
||
continue;
|
||
}
|
||
setFile.emplace(pDirent->d_name);
|
||
}
|
||
for(auto &strFile :setFile ){
|
||
string strAbsolutePath = strPathPrefix + "/" + strFile;
|
||
if (File::is_dir(strAbsolutePath.data())) {
|
||
strRet += "<li><a href=\"";
|
||
strRet += strFile;
|
||
strRet += "/\">";
|
||
strRet += strFile;
|
||
strRet += "/</a></li>\r\n";
|
||
} else { //是文件
|
||
strRet += "<li><a href=\"";
|
||
strRet += strFile;
|
||
strRet += "\">";
|
||
strRet += strFile;
|
||
struct stat fileData;
|
||
if (0 == stat(strAbsolutePath.data(), &fileData)) {
|
||
auto &fileSize = fileData.st_size;
|
||
if (fileSize < 1024) {
|
||
strRet += StrPrinter << " (" << fileData.st_size << "B)" << endl;
|
||
} else if (fileSize < 1024 * 1024) {
|
||
strRet += StrPrinter << " (" << fileData.st_size / 1024 << "KB)" << endl;
|
||
} else if (fileSize < 1024 * 1024 * 1024) {
|
||
strRet += StrPrinter << " (" << fileData.st_size / 1024 / 1024 << "MB)" << endl;
|
||
} else {
|
||
strRet += StrPrinter << " (" << fileData.st_size / 1024 / 1024 / 1024 << "GB)" << endl;
|
||
}
|
||
}
|
||
strRet += "</a></li>\r\n";
|
||
}
|
||
}
|
||
closedir(pDir);
|
||
strRet += "<ul>\r\n";
|
||
strRet += "</ul>\r\n</body></html>";
|
||
return true;
|
||
}
|
||
inline void HttpSession::sendResponse(const char* pcStatus, const KeyValue& header, const string& strContent) {
|
||
_StrPrinter printer;
|
||
printer << "HTTP/1.1 " << pcStatus << "\r\n";
|
||
for (auto &pr : header) {
|
||
printer << pr.first << ": " << pr.second << "\r\n";
|
||
}
|
||
printer << "\r\n" << strContent;
|
||
auto strSend = printer << endl;
|
||
//DebugL << strSend;
|
||
send(strSend);
|
||
_ticker.resetTime();
|
||
}
|
||
inline HttpSession::KeyValue HttpSession::makeHttpHeader(bool bClose, int64_t iContentSize,const char* pcContentType) {
|
||
KeyValue headerOut;
|
||
GET_CONFIG_AND_REGISTER(string,charSet,Http::kCharSet);
|
||
GET_CONFIG_AND_REGISTER(uint32_t,keepAliveSec,Http::kKeepAliveSecond);
|
||
GET_CONFIG_AND_REGISTER(uint32_t,reqCnt,Http::kMaxReqCount);
|
||
|
||
headerOut.emplace("Date", dateStr());
|
||
headerOut.emplace("Server", SERVER_NAME);
|
||
headerOut.emplace("Connection", bClose ? "close" : "keep-alive");
|
||
if(!bClose){
|
||
headerOut.emplace("Keep-Alive",StrPrinter << "timeout=" << keepAliveSec << ", max=" << reqCnt << endl);
|
||
}
|
||
if(pcContentType){
|
||
auto strContentType = StrPrinter << pcContentType << "; charset=" << charSet << endl;
|
||
headerOut.emplace("Content-Type",strContentType);
|
||
}
|
||
if(iContentSize > 0){
|
||
headerOut.emplace("Content-Length", StrPrinter<<iContentSize<<endl);
|
||
}
|
||
return headerOut;
|
||
}
|
||
|
||
string HttpSession::urlDecode(const string &str){
|
||
auto ret = strCoding::UrlUTF8Decode(str);
|
||
#ifdef _WIN32
|
||
GET_CONFIG_AND_REGISTER(string,charSet,Http::kCharSet);
|
||
bool isGb2312 = !strcasecmp(charSet.data(), "gb2312");
|
||
if (isGb2312) {
|
||
ret = strCoding::UTF8ToGB2312(ret);
|
||
}
|
||
#endif // _WIN32
|
||
return ret;
|
||
}
|
||
|
||
inline void HttpSession::urlDecode(Parser &parser){
|
||
parser.setUrl(urlDecode(parser.Url()));
|
||
for(auto &pr : _parser.getUrlArgs()){
|
||
const_cast<string &>(pr.second) = urlDecode(pr.second);
|
||
}
|
||
}
|
||
|
||
inline bool HttpSession::emitHttpEvent(bool doInvoke){
|
||
///////////////////是否断开本链接///////////////////////
|
||
GET_CONFIG_AND_REGISTER(uint32_t,reqCnt,Http::kMaxReqCount);
|
||
|
||
bool bClose = (strcasecmp(_parser["Connection"].data(),"close") == 0) || ( ++_iReqCnt > reqCnt);
|
||
auto Origin = _parser["Origin"];
|
||
/////////////////////异步回复Invoker///////////////////////////////
|
||
weak_ptr<HttpSession> weakSelf = dynamic_pointer_cast<HttpSession>(shared_from_this());
|
||
HttpResponseInvoker invoker = [weakSelf,bClose,Origin](const string &codeOut, const KeyValue &headerOut, const string &contentOut){
|
||
auto strongSelf = weakSelf.lock();
|
||
if(!strongSelf) {
|
||
return;
|
||
}
|
||
strongSelf->async([weakSelf,bClose,codeOut,headerOut,contentOut,Origin]() {
|
||
auto strongSelf = weakSelf.lock();
|
||
if(!strongSelf) {
|
||
return;
|
||
}
|
||
strongSelf->responseDelay(Origin,bClose,codeOut,headerOut,contentOut);
|
||
if(bClose){
|
||
strongSelf->shutdown();
|
||
}
|
||
});
|
||
};
|
||
///////////////////广播HTTP事件///////////////////////////
|
||
bool consumed = false;//该事件是否被消费
|
||
NoticeCenter::Instance().emitEvent(Broadcast::kBroadcastHttpRequest,_parser,invoker,consumed,*this);
|
||
if(!consumed && doInvoke){
|
||
//该事件无人消费,所以返回404
|
||
invoker("404 Not Found",KeyValue(),"");
|
||
if(bClose){
|
||
//close类型,回复完毕,关闭连接
|
||
shutdown();
|
||
}
|
||
}
|
||
return consumed;
|
||
}
|
||
inline bool HttpSession::Handle_Req_POST(int64_t &content_len) {
|
||
GET_CONFIG_AND_REGISTER(uint64_t,maxReqSize,Http::kMaxReqSize);
|
||
GET_CONFIG_AND_REGISTER(int,maxReqCnt,Http::kMaxReqCount);
|
||
|
||
int64_t totalContentLen = _parser["Content-Length"].empty() ? -1 : atoll(_parser["Content-Length"].data());
|
||
|
||
if(totalContentLen == 0){
|
||
//content为空
|
||
//emitHttpEvent内部会选择是否关闭连接
|
||
emitHttpEvent(true);
|
||
return true;
|
||
}
|
||
|
||
if(totalContentLen > 0 && totalContentLen < maxReqSize ){
|
||
//返回固定长度的content
|
||
content_len = totalContentLen;
|
||
auto parserCopy = _parser;
|
||
_contentCallBack = [this,parserCopy](const char *data,uint64_t len){
|
||
//恢复http头
|
||
_parser = parserCopy;
|
||
//设置content
|
||
_parser.setContent(string(data,len));
|
||
//触发http事件,emitHttpEvent内部会选择是否关闭连接
|
||
emitHttpEvent(true);
|
||
//清空数据,节省内存
|
||
_parser.Clear();
|
||
//content已经接收完毕
|
||
return false;
|
||
};
|
||
}else{
|
||
//返回不固定长度的content
|
||
content_len = -1;
|
||
auto parserCopy = _parser;
|
||
std::shared_ptr<uint64_t> recvedContentLen = std::make_shared<uint64_t>(0);
|
||
bool bClose = (strcasecmp(_parser["Connection"].data(),"close") == 0) || ( ++_iReqCnt > maxReqCnt);
|
||
|
||
_contentCallBack = [this,parserCopy,totalContentLen,recvedContentLen,bClose](const char *data,uint64_t len){
|
||
*(recvedContentLen) += len;
|
||
|
||
onRecvUnlimitedContent(parserCopy,data,len,totalContentLen,*(recvedContentLen));
|
||
|
||
if(*(recvedContentLen) < totalContentLen){
|
||
//数据还没接收完毕
|
||
//_contentCallBack是可持续的,后面还要处理后续content数据
|
||
return true;
|
||
}
|
||
|
||
//数据接收完毕
|
||
if(!bClose){
|
||
//keep-alive类型连接
|
||
//content接收完毕,后续都是http header
|
||
setContentLen(0);
|
||
//content已经接收完毕
|
||
return false;
|
||
}
|
||
|
||
//连接类型是close类型,收完content就关闭连接
|
||
shutdown();
|
||
//content已经接收完毕
|
||
return false ;
|
||
};
|
||
}
|
||
//有后续content数据要处理,暂时不关闭连接
|
||
return true;
|
||
}
|
||
void HttpSession::responseDelay(const string &Origin,bool bClose,
|
||
const string &codeOut,const KeyValue &headerOut,
|
||
const string &contentOut){
|
||
if(codeOut.empty()){
|
||
sendNotFound(bClose);
|
||
return;
|
||
}
|
||
auto headerOther=makeHttpHeader(bClose,contentOut.size(),"text/plain");
|
||
if(!Origin.empty()){
|
||
headerOther["Access-Control-Allow-Origin"] = Origin;
|
||
headerOther["Access-Control-Allow-Credentials"] = "true";
|
||
}
|
||
const_cast<KeyValue &>(headerOut).insert(headerOther.begin(), headerOther.end());
|
||
sendResponse(codeOut.data(), headerOut, contentOut);
|
||
}
|
||
inline void HttpSession::sendNotFound(bool bClose) {
|
||
GET_CONFIG_AND_REGISTER(string,notFound,Http::kNotFound);
|
||
sendResponse("404 Not Found", makeHttpHeader(bClose, notFound.size()), notFound);
|
||
}
|
||
|
||
|
||
void HttpSession::onWrite(const Buffer::Ptr &buffer) {
|
||
weak_ptr<HttpSession> weakSelf = dynamic_pointer_cast<HttpSession>(shared_from_this());
|
||
async([weakSelf,buffer](){
|
||
auto strongSelf = weakSelf.lock();
|
||
if(!strongSelf) {
|
||
return;
|
||
}
|
||
strongSelf->_ticker.resetTime();
|
||
strongSelf->_ui64TotalBytes += buffer->size();
|
||
strongSelf->send(buffer);
|
||
});
|
||
}
|
||
|
||
void HttpSession::onWrite(const char *data, int len) {
|
||
BufferRaw::Ptr buffer(new BufferRaw);
|
||
buffer->assign(data,len);
|
||
|
||
weak_ptr<HttpSession> weakSelf = dynamic_pointer_cast<HttpSession>(shared_from_this());
|
||
async([weakSelf,buffer](){
|
||
auto strongSelf = weakSelf.lock();
|
||
if(!strongSelf) {
|
||
return;
|
||
}
|
||
strongSelf->_ticker.resetTime();
|
||
strongSelf->_ui64TotalBytes += buffer->size();
|
||
strongSelf->send(buffer);
|
||
});
|
||
}
|
||
|
||
void HttpSession::onDetach() {
|
||
safeShutdown();
|
||
}
|
||
|
||
std::shared_ptr<FlvMuxer> HttpSession::getSharedPtr(){
|
||
return dynamic_pointer_cast<FlvMuxer>(shared_from_this());
|
||
}
|
||
|
||
} /* namespace mediakit */
|