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修复hls m3u8返回content-type异常的问题

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This commit is contained in:
ziyue 2022-02-11 16:36:40 +08:00
parent 49fc17d7e0
commit a2b6344861
1 changed files with 38 additions and 38 deletions
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76
src/Http/HttpFileManager.cpp
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@ -189,13 +189,13 @@ static bool makeFolderMenu(const string &httpPath, const string &strFullPath, st
} }
//拦截hls的播放请求 //拦截hls的播放请求
static bool emitHlsPlayed(const Parser &parser, const MediaInfo &mediaInfo, const HttpSession::HttpAccessPathInvoker &invoker,TcpSession &sender){ static bool emitHlsPlayed(const Parser &parser, const MediaInfo &media_info, const HttpSession::HttpAccessPathInvoker &invoker,TcpSession &sender){
//访问的hls.m3u8结尾，我们转换成kBroadcastMediaPlayed事件 //访问的hls.m3u8结尾，我们转换成kBroadcastMediaPlayed事件
Broadcast::AuthInvoker auth_invoker = [invoker](const string &err) { Broadcast::AuthInvoker auth_invoker = [invoker](const string &err) {
//cookie有效期为kHlsCookieSecond //cookie有效期为kHlsCookieSecond
invoker(err, "", kHlsCookieSecond); invoker(err, "", kHlsCookieSecond);
}; };
bool flag = NoticeCenter::Instance().emitEvent(Broadcast::kBroadcastMediaPlayed, mediaInfo, auth_invoker, static_cast<SockInfo &>(sender)); bool flag = NoticeCenter::Instance().emitEvent(Broadcast::kBroadcastMediaPlayed, media_info, auth_invoker, static_cast<SockInfo &>(sender));
if (!flag) { if (!flag) {
//未开启鉴权，那么允许播放 //未开启鉴权，那么允许播放
auth_invoker(""); auth_invoker("");
@ -244,7 +244,7 @@ public:
* 4、cookie中记录的url参数是否跟本次url参数一致，如果一致直接返回客户端错误码 * 4、cookie中记录的url参数是否跟本次url参数一致，如果一致直接返回客户端错误码
* 5、触发kBroadcastHttpAccess事件 * 5、触发kBroadcastHttpAccess事件
*/ */
static void canAccessPath(TcpSession &sender, const Parser &parser, const MediaInfo &mediaInfo, bool is_dir, static void canAccessPath(TcpSession &sender, const Parser &parser, const MediaInfo &media_info, bool is_dir,
const function<void(const string &errMsg, const HttpServerCookie::Ptr &cookie)> &callback) { const function<void(const string &errMsg, const HttpServerCookie::Ptr &cookie)> &callback) {
//获取用户唯一id //获取用户唯一id
auto uid = parser.Params(); auto uid = parser.Params();
@ -286,7 +286,7 @@ static void canAccessPath(TcpSession &sender, const Parser &parser, const MediaI
HttpCookieManager::Instance().delCookie(cookie); HttpCookieManager::Instance().delCookie(cookie);
} }
bool is_hls = mediaInfo._schema == HLS_SCHEMA; bool is_hls = media_info._schema == HLS_SCHEMA;
SockInfoImp::Ptr info = std::make_shared<SockInfoImp>(); SockInfoImp::Ptr info = std::make_shared<SockInfoImp>();
info->_identifier = sender.getIdentifier(); info->_identifier = sender.getIdentifier();
@ -296,7 +296,7 @@ static void canAccessPath(TcpSession &sender, const Parser &parser, const MediaI
info->_local_port = sender.get_local_port(); info->_local_port = sender.get_local_port();
//该用户从来未获取过cookie，这个时候我们广播是否允许该用户访问该http目录 //该用户从来未获取过cookie，这个时候我们广播是否允许该用户访问该http目录
HttpSession::HttpAccessPathInvoker accessPathInvoker = [callback, uid, path, is_dir, is_hls, mediaInfo, info] HttpSession::HttpAccessPathInvoker accessPathInvoker = [callback, uid, path, is_dir, is_hls, media_info, info]
(const string &err_msg, const string &cookie_path_in, int life_second) { (const string &err_msg, const string &cookie_path_in, int life_second) {
HttpServerCookie::Ptr cookie; HttpServerCookie::Ptr cookie;
if (life_second) { if (life_second) {
@ -316,7 +316,7 @@ static void canAccessPath(TcpSession &sender, const Parser &parser, const MediaI
attach->_is_hls = is_hls; attach->_is_hls = is_hls;
if (is_hls) { if (is_hls) {
// hls相关信息 // hls相关信息
attach->_hls_data = std::make_shared<HlsCookieData>(mediaInfo, info); attach->_hls_data = std::make_shared<HlsCookieData>(media_info, info);
// hls未查找MediaSource // hls未查找MediaSource
attach->_have_find_media_source = false; attach->_have_find_media_source = false;
} }
@ -328,7 +328,7 @@ static void canAccessPath(TcpSession &sender, const Parser &parser, const MediaI
if (is_hls) { if (is_hls) {
//是hls的播放鉴权,拦截之 //是hls的播放鉴权,拦截之
emitHlsPlayed(parser, mediaInfo, accessPathInvoker, sender); emitHlsPlayed(parser, media_info, accessPathInvoker, sender);
return; return;
} }
@ -362,13 +362,13 @@ static string pathCat(const string &a, const string &b){
* 访问文件 * 访问文件
* @param sender 事件触发者 * @param sender 事件触发者
* @param parser http请求 * @param parser http请求
* @param mediaInfo http url信息 * @param media_info http url信息
* @param strFile 文件绝对路径 * @param file_path 文件绝对路径
* @param cb 回调对象 * @param cb 回调对象
*/ */
static void accessFile(TcpSession &sender, const Parser &parser, const MediaInfo &mediaInfo, const string &strFile, const HttpFileManager::invoker &cb) { static void accessFile(TcpSession &sender, const Parser &parser, const MediaInfo &media_info, const string &file_path, const HttpFileManager::invoker &cb) {
bool is_hls = end_with(strFile, kHlsSuffix); bool is_hls = end_with(file_path, kHlsSuffix);
bool file_exist = File::is_file(strFile.data()); bool file_exist = File::is_file(file_path.data());
if (!is_hls && !file_exist) { if (!is_hls && !file_exist) {
//文件不存在且不是hls,那么直接返回404 //文件不存在且不是hls,那么直接返回404
sendNotFound(cb); sendNotFound(cb);
@ -377,13 +377,13 @@ static void accessFile(TcpSession &sender, const Parser &parser, const MediaInfo
if (is_hls) { if (is_hls) {
//hls，那么移除掉后缀获取真实的stream_id并且修改协议为HLS //hls，那么移除掉后缀获取真实的stream_id并且修改协议为HLS
const_cast<string &>(mediaInfo._schema) = HLS_SCHEMA; const_cast<string &>(media_info._schema) = HLS_SCHEMA;
replace(const_cast<string &>(mediaInfo._streamid), kHlsSuffix, ""); replace(const_cast<string &>(media_info._streamid), kHlsSuffix, "");
} }
weak_ptr<TcpSession> weakSession = sender.shared_from_this(); weak_ptr<TcpSession> weakSession = sender.shared_from_this();
//判断是否有权限访问该文件 //判断是否有权限访问该文件
canAccessPath(sender, parser, mediaInfo, false, [cb, strFile, parser, is_hls, mediaInfo, weakSession , file_exist](const string &errMsg, const HttpServerCookie::Ptr &cookie) { canAccessPath(sender, parser, media_info, false, [cb, file_path, parser, is_hls, media_info, weakSession , file_exist](const string &errMsg, const HttpServerCookie::Ptr &cookie) {
auto strongSession = weakSession.lock(); auto strongSession = weakSession.lock();
if (!strongSession) { if (!strongSession) {
//http客户端已经断开，不需要回复 //http客户端已经断开，不需要回复
@ -400,7 +400,7 @@ static void accessFile(TcpSession &sender, const Parser &parser, const MediaInfo
} }
auto response_file = [file_exist, is_hls](const HttpServerCookie::Ptr &cookie, const HttpFileManager::invoker &cb, auto response_file = [file_exist, is_hls](const HttpServerCookie::Ptr &cookie, const HttpFileManager::invoker &cb,
const string &strFile, const Parser &parser, bool is_path = true) { const string &file_path, const Parser &parser, const string &file_content = "") {
StrCaseMap httpHeader; StrCaseMap httpHeader;
if (cookie) { if (cookie) {
httpHeader["Set-Cookie"] = cookie->getCookie(cookie->getAttach<HttpCookieAttachment>()._path); httpHeader["Set-Cookie"] = cookie->getCookie(cookie->getAttach<HttpCookieAttachment>()._path);
@ -412,14 +412,14 @@ static void accessFile(TcpSession &sender, const Parser &parser, const MediaInfo
attach._hls_data->addByteUsage(body->remainSize()); attach._hls_data->addByteUsage(body->remainSize());
} }
} }
cb(code, HttpFileManager::getContentType(strFile.data()), headerOut, body); cb(code, HttpFileManager::getContentType(file_path.data()), headerOut, body);
}; };
invoker.responseFile(parser.getHeader(), httpHeader, strFile, !is_hls, is_path); invoker.responseFile(parser.getHeader(), httpHeader, file_content.empty() ? file_path : file_content, !is_hls, file_content.empty());
}; };
if (!is_hls) { if (!is_hls) {
//不是hls,直接回复文件或404 //不是hls,直接回复文件或404
response_file(cookie, cb, strFile, parser); response_file(cookie, cb, file_path, parser);
return; return;
} }
@ -434,18 +434,18 @@ static void accessFile(TcpSession &sender, const Parser &parser, const MediaInfo
auto src = attach._hls_data->getMediaSource(); auto src = attach._hls_data->getMediaSource();
if (src) { if (src) {
//直接从内存获取m3u8索引文件(而不是从文件系统) //直接从内存获取m3u8索引文件(而不是从文件系统)
response_file(cookie, cb, src->getIndexFile(), parser, false); response_file(cookie, cb, file_path, parser, src->getIndexFile());
return; return;
} }
} }
} }
if (have_find_media_src) { if (have_find_media_src) {
//之前该cookie已经通过MediaSource::findAsync查找过了，所以现在只以文件系统查找结果为准 //之前该cookie已经通过MediaSource::findAsync查找过了，所以现在只以文件系统查找结果为准
response_file(cookie, cb, strFile, parser); response_file(cookie, cb, file_path, parser);
return; return;
} }
//hls文件不存在，我们等待其生成并延后回复 //hls文件不存在，我们等待其生成并延后回复
MediaSource::findAsync(mediaInfo, strongSession, [response_file, cookie, cb, strFile, parser](const MediaSource::Ptr &src) { MediaSource::findAsync(media_info, strongSession, [response_file, cookie, cb, file_path, parser](const MediaSource::Ptr &src) {
if (cookie) { if (cookie) {
//尝试添加HlsMediaSource的观看人数(HLS是按需生成的，这样可以触发HLS文件的生成) //尝试添加HlsMediaSource的观看人数(HLS是按需生成的，这样可以触发HLS文件的生成)
auto &attach = cookie->getAttach<HttpCookieAttachment>(); auto &attach = cookie->getAttach<HttpCookieAttachment>();
@ -456,19 +456,19 @@ static void accessFile(TcpSession &sender, const Parser &parser, const MediaInfo
auto hls = dynamic_pointer_cast<HlsMediaSource>(src); auto hls = dynamic_pointer_cast<HlsMediaSource>(src);
if (!hls) { if (!hls) {
//流不存在，那么直接返回文件(相当于纯粹的HLS文件服务器,但是会挂起播放器15秒左右(用于等待HLS流的注册)) //流不存在，那么直接返回文件(相当于纯粹的HLS文件服务器,但是会挂起播放器15秒左右(用于等待HLS流的注册))
response_file(cookie, cb, strFile, parser); response_file(cookie, cb, file_path, parser);
return; return;
} }
//可能异步获取m3u8索引文件 //可能异步获取m3u8索引文件
hls->getIndexFile([response_file, cookie, cb, parser](const string &file) { hls->getIndexFile([response_file, file_path, cookie, cb, parser](const string &file) {
response_file(cookie, cb, file, parser, false); response_file(cookie, cb, file_path, parser, file);
}); });
}); });
}); });
} }
static string getFilePath(const Parser &parser,const MediaInfo &mediaInfo, TcpSession &sender){ static string getFilePath(const Parser &parser,const MediaInfo &media_info, TcpSession &sender){
GET_CONFIG(bool, enableVhost, General::kEnableVhost); GET_CONFIG(bool, enableVhost, General::kEnableVhost);
GET_CONFIG(string, rootPath, Http::kRootPath); GET_CONFIG(string, rootPath, Http::kRootPath);
GET_CONFIG_FUNC(StrCaseMap, virtualPathMap, Http::kVirtualPath, [](const string &str) { GET_CONFIG_FUNC(StrCaseMap, virtualPathMap, Http::kVirtualPath, [](const string &str) {
@ -476,17 +476,17 @@ static string getFilePath(const Parser &parser,const MediaInfo &mediaInfo, TcpSe
}); });
string url, path; string url, path;
auto it = virtualPathMap.find(mediaInfo._app); auto it = virtualPathMap.find(media_info._app);
if (it != virtualPathMap.end()) { if (it != virtualPathMap.end()) {
//访问的是virtualPath //访问的是virtualPath
path = it->second; path = it->second;
url = parser.Url().substr(1 + mediaInfo._app.size()); url = parser.Url().substr(1 + media_info._app.size());
} else { } else {
//访问的是rootPath //访问的是rootPath
path = rootPath; path = rootPath;
url = parser.Url(); url = parser.Url();
} }
auto ret = File::absolutePath(enableVhost ? mediaInfo._vhost + url : url, path); auto ret = File::absolutePath(enableVhost ? media_info._vhost + url : url, path);
NoticeCenter::Instance().emitEvent(Broadcast::kBroadcastHttpBeforeAccess, parser, ret, static_cast<SockInfo &>(sender)); NoticeCenter::Instance().emitEvent(Broadcast::kBroadcastHttpBeforeAccess, parser, ret, static_cast<SockInfo &>(sender));
return ret; return ret;
} }
@ -499,27 +499,27 @@ static string getFilePath(const Parser &parser,const MediaInfo &mediaInfo, TcpSe
*/ */
void HttpFileManager::onAccessPath(TcpSession &sender, Parser &parser, const HttpFileManager::invoker &cb) { void HttpFileManager::onAccessPath(TcpSession &sender, Parser &parser, const HttpFileManager::invoker &cb) {
auto fullUrl = string(HTTP_SCHEMA) + "://" + parser["Host"] + parser.FullUrl(); auto fullUrl = string(HTTP_SCHEMA) + "://" + parser["Host"] + parser.FullUrl();
MediaInfo mediaInfo(fullUrl); MediaInfo media_info(fullUrl);
auto strFile = getFilePath(parser, mediaInfo, sender); auto file_path = getFilePath(parser, media_info, sender);
//访问的是文件夹 //访问的是文件夹
if (File::is_dir(strFile.data())) { if (File::is_dir(file_path.data())) {
auto indexFile = searchIndexFile(strFile); auto indexFile = searchIndexFile(file_path);
if (!indexFile.empty()) { if (!indexFile.empty()) {
//发现该文件夹下有index文件 //发现该文件夹下有index文件
strFile = pathCat(strFile, indexFile); file_path = pathCat(file_path, indexFile);
parser.setUrl(pathCat(parser.Url(), indexFile)); parser.setUrl(pathCat(parser.Url(), indexFile));
accessFile(sender, parser, mediaInfo, strFile, cb); accessFile(sender, parser, media_info, file_path, cb);
return; return;
} }
string strMenu; string strMenu;
//生成文件夹菜单索引 //生成文件夹菜单索引
if (!makeFolderMenu(parser.Url(), strFile, strMenu)) { if (!makeFolderMenu(parser.Url(), file_path, strMenu)) {
//文件夹不存在 //文件夹不存在
sendNotFound(cb); sendNotFound(cb);
return; return;
} }
//判断是否有权限访问该目录 //判断是否有权限访问该目录
canAccessPath(sender, parser, mediaInfo, true, [strMenu, cb](const string &errMsg, const HttpServerCookie::Ptr &cookie) mutable{ canAccessPath(sender, parser, media_info, true, [strMenu, cb](const string &errMsg, const HttpServerCookie::Ptr &cookie) mutable{
if (!errMsg.empty()) { if (!errMsg.empty()) {
strMenu = errMsg; strMenu = errMsg;
} }
@ -533,7 +533,7 @@ void HttpFileManager::onAccessPath(TcpSession &sender, Parser &parser, const Htt
} }
//访问的是文件 //访问的是文件
accessFile(sender, parser, mediaInfo, strFile, cb); accessFile(sender, parser, media_info, file_path, cb);
}; };