添加访问http目录权限事件

server/WebApi.cpp

@@ -667,6 +667,12 @@ void installWebApi() {
         val["close"] = true;
     });
 
+    API_REGIST(hook,on_http_access,{
+        //能访问根目录10分钟
+        val["path"] = "/";
+        val["second"] = 10 * 60;
+    });
+
 
 }
 

server/WebHook.cpp

@@ -38,6 +38,7 @@
 #include "Http/HttpRequester.h"
 #include "Network/TcpSession.h"
 #include "Rtsp/RtspSession.h"
+#include "Http/HttpSession.h"
 
 using namespace Json;
 using namespace toolkit;
@@ -69,6 +70,7 @@ const char kOnStreamNotFound[] = HOOK_FIELD"on_stream_not_found";
 const char kOnRecordMp4[] = HOOK_FIELD"on_record_mp4";
 const char kOnShellLogin[] = HOOK_FIELD"on_shell_login";
 const char kOnStreamNoneReader[] = HOOK_FIELD"on_stream_none_reader";
+const char kOnHttpAccess[] = HOOK_FIELD"on_http_access";
 const char kAdminParams[] = HOOK_FIELD"admin_params";
 
 onceToken token([](){
@@ -84,6 +86,7 @@ onceToken token([](){
     mINI::Instance()[kOnRecordMp4] = "https://127.0.0.1/index/hook/on_record_mp4";
     mINI::Instance()[kOnShellLogin] = "https://127.0.0.1/index/hook/on_shell_login";
     mINI::Instance()[kOnStreamNoneReader] = "https://127.0.0.1/index/hook/on_stream_none_reader";
+    mINI::Instance()[kOnHttpAccess] = "https://127.0.0.1/index/hook/on_http_access";
     mINI::Instance()[kAdminParams] = "secret=035c73f7-bb6b-4889-a715-d9eb2d1925cc";
 },nullptr);
 }//namespace Hook
@@ -188,6 +191,8 @@ void installWebHook(){
     GET_CONFIG(string,hook_record_mp4,Hook::kOnRecordMp4);
     GET_CONFIG(string,hook_shell_login,Hook::kOnShellLogin);
     GET_CONFIG(string,hook_stream_none_reader,Hook::kOnStreamNoneReader);
+    GET_CONFIG(string,hook_http_access,Hook::kOnHttpAccess);
+
 
     NoticeCenter::Instance().addListener(nullptr,Broadcast::kBroadcastMediaPublish,[](BroadcastMediaPublishArgs){
         if(!hook_enable || args._param_strs == hook_adminparams || hook_publish.empty() || sender.get_peer_ip() == "127.0.0.1"){
@@ -377,6 +382,37 @@ void installWebHook(){
 
     });
 
+
+    NoticeCenter::Instance().addListener(nullptr,Broadcast::kBroadcastHttpAccess,[](BroadcastHttpAccessArgs){
+        if(!hook_enable || args._param_strs == hook_adminparams || hook_http_access.empty() ){
+            //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
+            invoker("/",60);
+            return;
+        }
+
+        ArgsType body;
+        body["ip"] = sender.get_peer_ip();
+        body["port"] = sender.get_peer_port();
+        body["id"] = sender.getIdentifier();
+        body["path"] = path;
+        body["is_dir"] = is_dir;
+        body["params"] = parser.Params();
+        body["content"] = parser.Content();
+        for(auto &pr : parser.getValues()){
+          body[string("header.") + pr.first] = pr.second;
+        }
+        //执行hook
+        do_http_hook(hook_http_access,body, [invoker](const Value &obj,const string &err){
+            if(!err.empty()){
+                //如果接口访问失败，那么10秒内该客户端都没有访问http服务器的权限
+                invoker("",10);
+                return;
+            }
+            //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
+            //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
+            invoker(obj["path"].asString(),obj["second"].asInt());
+        });
+    });
 }
 
 void unInstallWebHook(){

src/Common/config.cpp

@@ -57,6 +57,7 @@ namespace Broadcast {
 const char kBroadcastMediaChanged[] = "kBroadcastMediaChanged";
 const char kBroadcastRecordMP4[] = "kBroadcastRecordMP4";
 const char kBroadcastHttpRequest[] = "kBroadcastHttpRequest";
+const char kBroadcastHttpAccess[] = "kBroadcastHttpAccess";
 const char kBroadcastOnGetRtspRealm[] = "kBroadcastOnGetRtspRealm";
 const char kBroadcastOnRtspAuth[] = "kBroadcastOnRtspAuth";
 const char kBroadcastMediaPlayed[] = "kBroadcastMediaPlayed";

src/Common/config.h

@@ -79,6 +79,10 @@ extern const char kBroadcastRecordMP4[];
 extern const char kBroadcastHttpRequest[];
 #define BroadcastHttpRequestArgs const Parser &parser,const HttpSession::HttpResponseInvoker &invoker,bool &consumed,TcpSession &sender
 
+//收到http 访问文件或目录的广播
+extern const char kBroadcastHttpAccess[];
+#define BroadcastHttpAccessArgs const Parser &parser,const MediaInfo &args,const string &path,const bool &is_dir,const HttpSession::HttpAccessPathInvoker &invoker,TcpSession &sender
+
 //该流是否需要认证？是的话调用invoker并传入realm,否则传入空的realm.如果该事件不监听则不认证
 extern const char kBroadcastOnGetRtspRealm[];
 #define BroadcastOnGetRtspRealmArgs const MediaInfo &args,const RtspSession::onGetRealm &invoker,TcpSession &sender

src/Http/CookieManager.cpp

@@ -0,0 +1,279 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2016-2019 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.
+ */
+
+#include "Util/util.h"
+#include "Util/MD5.h"
+#include "Common/config.h"
+#include "CookieManager.h"
+
+//////////////////////////////CookieData////////////////////////////////////
+CookieData::CookieData(const CookieManager::Ptr &manager,
+                       const string &cookie,
+                       const string &uid,
+                       uint64_t max_elapsed,
+                       const string &path){
+    _uid = uid;
+    _max_elapsed = max_elapsed;
+    _cookie_uuid = cookie;
+    _path = path;
+    _manager = manager;
+    manager->onAddCookie(path,uid,cookie);
+}
+
+CookieData::~CookieData() {
+    auto strongManager = _manager.lock();
+    if(strongManager){
+        strongManager->onDelCookie(_path,_uid,_cookie_uuid);
+    }
+}
+string CookieData::getCookie(const string &cookie_name) const {
+    return (StrPrinter << cookie_name << "=" << _cookie_uuid << ";expires=" << cookieExpireTime() << ";path=" << _path);
+}
+
+bool CookieData::isExpired() {
+    return _ticker.elapsedTime() > _max_elapsed * 1000;
+}
+
+void CookieData::updateTime() {
+    _ticker.resetTime();
+}
+const string & CookieData::getUid() const{
+    return _uid;
+}
+string CookieData::cookieExpireTime() const{
+    char buf[64];
+    time_t tt = time(NULL) + _max_elapsed;
+    strftime(buf, sizeof buf, "%a, %b %d %Y %H:%M:%S GMT", gmtime(&tt));
+    return buf;
+}
+
+const string& CookieData::getCookie() const {
+    return _cookie_uuid;
+}
+
+const string& CookieData::getPath() const{
+    return _path;
+}
+
+//////////////////////////////CookieManager////////////////////////////////////
+INSTANCE_IMP(CookieManager);
+
+CookieData::Ptr CookieManager::addCookie(const string &uidIn, int max_client ,uint64_t max_elapsed, const string &path) {
+    lock_guard<recursive_mutex> lck(_mtx_cookie);
+    auto cookie = _geneator.obtain();
+    auto uid = uidIn.empty() ? cookie : uidIn;
+    auto oldCookie = getOldestCookie(uid, max_client , path);
+    if(!oldCookie.empty()){
+        //假如该账号已经登录了，那么删除老的cookie。
+        //目的是实现单账号多地登录时挤占登录
+        delCookie(oldCookie,path);
+    }
+    CookieData::Ptr data(new CookieData(shared_from_this(),cookie,uid,max_elapsed,path));
+    //保存该账号下的新cookie
+    _map_cookie[path][cookie] = data;
+    return data;
+}
+
+bool CookieManager::delCookie(const CookieData::Ptr &cookie) {
+    if(!cookie){
+        return false;
+    }
+    return delCookie(cookie->getPath(),cookie->getCookie());
+}
+
+bool CookieManager::delCookie(const string &path , const string &cookie) {
+    lock_guard<recursive_mutex> lck(_mtx_cookie);
+    auto it = _map_cookie.find(path);
+    if(it == _map_cookie.end()){
+        return false;
+    }
+    return it->second.erase(cookie);
+}
+
+CookieData::Ptr CookieManager::getCookie(const string &cookie, const string &path) {
+    lock_guard<recursive_mutex> lck(_mtx_cookie);
+    auto it_path = _map_cookie.find(path);
+    if(it_path == _map_cookie.end()){
+        //该path下没有任何cookie
+        return nullptr;
+    }
+    auto it_cookie = it_path->second.find(cookie);
+    if(it_cookie == it_path->second.end()){
+        //该path下没有对应的cookie
+        return nullptr;
+    }
+    if(it_cookie->second->isExpired()){
+        //cookie过期
+        it_path->second.erase(it_cookie);
+        return nullptr;
+    }
+    return it_cookie->second;
+}
+
+CookieData::Ptr CookieManager::getCookie(const StrCaseMap &http_header, const string &cookie_name, const string &path) {
+    auto it = http_header.find("Cookie");
+    if (it == http_header.end()) {
+        return nullptr;
+    }
+    auto cookie = FindField(it->second.data(), (cookie_name + "=").data(), ";");
+    if (!cookie.size()) {
+        cookie = FindField(it->second.data(), (cookie_name + "=").data(), nullptr);
+    }
+    if(cookie.empty()){
+        return nullptr;
+    }
+    return CookieManager::Instance().getCookie(cookie, path);
+}
+
+CookieManager::CookieManager() {
+    //定时删除过期的cookie，防止内存膨胀
+    _timer = std::make_shared<Timer>(10,[this](){
+        onManager();
+        return true;
+    }, nullptr);
+}
+
+CookieManager::~CookieManager() {
+    _timer.reset();
+}
+
+void CookieManager::onManager() {
+    lock_guard<recursive_mutex> lck(_mtx_cookie);
+    //先遍历所有path
+    for(auto it_path = _map_cookie.begin() ; it_path != _map_cookie.end() ;){
+        //再遍历该path下的所有cookie
+        for (auto it_cookie = it_path->second.begin() ; it_cookie != it_path->second.end() ; ){
+            if(it_cookie->second->isExpired()){
+                //cookie过期,移除记录
+                WarnL << it_cookie->second->getUid() << " cookie过期";
+                it_cookie = it_path->second.erase(it_cookie);
+                continue;
+            }
+            ++it_cookie;
+        }
+
+        if(it_path->second.empty()){
+            //该path下没有任何cooki记录,移除之
+            WarnL << "该path下没有任何cooki记录:" << it_path->first;
+            it_path = _map_cookie.erase(it_path);
+            continue;
+        }
+        ++it_path;
+    }
+}
+
+void CookieManager::onAddCookie(const string &path,const string &uid,const string &cookie){
+    //添加新的cookie，我们记录下这个uid下有哪些cookie，目的是实现单账号多地登录时挤占登录
+    lock_guard<recursive_mutex> lck(_mtx_cookie);
+    //相同用户下可以存在多个cookie(意味多地登录)，这些cookie根据登录时间的早晚依次排序
+    _map_uid_to_cookie[path][uid][getCurrentMillisecond()] = cookie;
+}
+void CookieManager::onDelCookie(const string &path,const string &uid,const string &cookie){
+    lock_guard<recursive_mutex> lck(_mtx_cookie);
+    //回收随机字符串
+    _geneator.release(cookie);
+
+    auto it_path = _map_uid_to_cookie.find(path);
+    if(it_path == _map_uid_to_cookie.end()){
+        //该path下未有任意用户登录
+        return;
+    }
+    auto it_uid = it_path->second.find(uid);
+    if(it_uid == it_path->second.end()){
+        //该用户尚未登录
+        return;
+    }
+
+    //遍历同一名用户下的所有客户端，移除命中的客户端
+    for(auto it_cookie = it_uid->second.begin() ; it_cookie != it_uid->second.end() ; ++it_cookie ){
+        if(it_cookie->second != cookie) {
+            //不是该cookie
+            continue;
+        }
+        //移除该用户名下的某个cookie，这个设备cookie将失效
+        it_uid->second.erase(it_cookie);
+
+        if(it_uid->second.size() != 0) {
+            break;
+        }
+
+        //该用户名下没有任何设备在线，移除之
+        it_path->second.erase(it_uid);
+
+        if(it_path->second.size() != 0) {
+            break;
+        }
+        //该path下未有任何用户在线，移除之
+        _map_uid_to_cookie.erase(it_path);
+        break;
+    }
+
+}
+
+string CookieManager::getOldestCookie(const string &uid, int max_client,const string &path){
+    lock_guard<recursive_mutex> lck(_mtx_cookie);
+    auto it_path = _map_uid_to_cookie.find(path);
+    if(it_path == _map_uid_to_cookie.end()){
+        //该路径下未有任意cookie
+        return "";
+    }
+    auto it_uid = it_path->second.find(uid);
+    if(it_uid == it_path->second.end()){
+        //该用户从未登录过
+        return "";
+    }
+    if(it_uid->second.size() < MAX(1,max_client)){
+        //同一名用户下，客户端个数还没达到限制个数
+        return "";
+    }
+    //客户端个数超过限制，移除最先登录的客户端
+    return it_uid->second.begin()->second;
+}
+
+/////////////////////////////////CookieGeneator////////////////////////////////////
+string CookieGeneator::obtain(){
+    //获取唯一的防膨胀的随机字符串
+    while (true){
+        auto str = obtain_l();
+        if(_obtained.find(str) == _obtained.end()){
+            //没有重复
+            _obtained.emplace(str);
+            return str;
+        }
+    }
+}
+void CookieGeneator::release(const string &str){
+    //从防膨胀库中移除
+    _obtained.erase(str);
+}
+
+string CookieGeneator::obtain_l(){
+    //12个伪随机字节 + 4个递增的整形字节，然后md5即为随机字符串
+    auto str = makeRandStr(12,false);
+    str.append((char *)&_index, sizeof(_index));
+    ++_index;
+    return MD5(str).hexdigest();
+}

src/Http/CookieManager.h

@@ -0,0 +1,232 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2016-2019 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.
+ */
+
+#ifndef SRC_HTTP_COOKIEMANAGER_H
+#define SRC_HTTP_COOKIEMANAGER_H
+
+#include <memory>
+#include <unordered_map>
+#include "Util/mini.h"
+#include "Util/TimeTicker.h"
+#include "Network/Socket.h"
+#include "Rtsp/Rtsp.h"
+
+using namespace std;
+using namespace toolkit;
+using namespace mediakit;
+
+#define COOKIE_DEFAULT_LIFE (7 * 24 * 60 * 60)
+
+class CookieManager;
+
+/**
+ * cookie对象，用于保存cookie的一些相关属性
+ */
+class CookieData : public mINI , public noncopyable{
+public:
+    typedef std::shared_ptr<CookieData> Ptr;
+    /**
+     * 构建cookie
+     * @param manager cookie管理者对象
+     * @param cookie cookie随机字符串
+     * @param uid 用户唯一id
+     * @param max_elapsed 最大过期时间，单位秒
+     * @param path http路径，譬如/index/files/
+     */
+    CookieData(const std::shared_ptr<CookieManager> &manager,const string &cookie,
+               const string &uid,uint64_t max_elapsed,const string &path);
+    ~CookieData() ;
+
+    /**
+     * 获取uid
+     * @return uid
+     */
+    const string &getUid() const;
+
+    /**
+     * 获取http中Set-Cookie字段的值
+     * @param cookie_name 该cookie的名称，譬如 MY_SESSION
+     * @return 例如 MY_SESSION=XXXXXX;expires=Wed, Jun 12 2019 06:30:48 GMT;path=/index/files/
+     */
+    string getCookie(const string &cookie_name) const;
+
+    /**
+     * 获取cookie随机字符串
+     * @return cookie随机字符串
+     */
+    const string& getCookie() const;
+
+    /**
+     * 获取该cookie对应的path
+     * @return
+     */
+    const string& getPath() const;
+
+    /**
+     * 更新该cookie的过期时间，可以让此cookie不失效
+     */
+    void updateTime();
+
+    /**
+     * 判断该cookie是否过期
+     * @return
+     */
+    bool isExpired();
+private:
+    string cookieExpireTime() const ;
+private:
+    string _uid;
+    string _path;
+    string _cookie_uuid;
+    uint64_t _max_elapsed;
+    Ticker _ticker;
+    std::weak_ptr<CookieManager> _manager;
+};
+
+/**
+ * cookie随机字符串生成器
+ */
+class CookieGeneator{
+public:
+    CookieGeneator() = default;
+    ~CookieGeneator() = default;
+
+    /**
+     * 获取不碰撞的随机字符串
+     * @return 随机字符串
+     */
+    string obtain();
+
+    /**
+     * 释放随机字符串
+     * @param str 随机字符串
+     */
+    void release(const string &str);
+private:
+    string obtain_l();
+private:
+    //碰撞库
+    unordered_set<string> _obtained;
+    //增长index，防止碰撞用
+    int _index = 0;
+};
+
+/**
+ * cookie管理器，用于管理cookie的生成以及过期管理，同时实现了同账号异地挤占登录功能
+ * 该对象实现了同账号最多登录若干个设备
+ */
+class CookieManager : public std::enable_shared_from_this<CookieManager> {
+public:
+    typedef std::shared_ptr<CookieManager> Ptr;
+    friend class CookieData;
+    ~CookieManager();
+
+    /**
+     *  获取单例
+     */
+    static CookieManager &Instance();
+
+    /**
+     * 添加cookie
+     * @param uid 用户id，如果为空则为匿名登录
+     * @param max_client 该账号最多登录多少个设备
+     * @param max_elapsed 该cookie过期时间，单位秒
+     * @param path 该cookie对应的http路径
+     * @return cookie对象
+     */
+    CookieData::Ptr addCookie(const string &uid, int max_client , uint64_t max_elapsed = COOKIE_DEFAULT_LIFE,const string &path = "/" );
+
+    /**
+     * 根据cookie随机字符串查找cookie对象
+     * @param cookie cookie随机字符串
+     * @param path 该cookie对应的http路径
+     * @return cookie对象，可以为nullptr
+     */
+    CookieData::Ptr getCookie(const string &cookie,const string &path = "/");
+
+    /**
+     * 从http头中获取cookie对象
+     * @param http_header http头
+     * @param cookie_name cookie名
+     * @param path http路径
+     * @return cookie对象
+     */
+    CookieData::Ptr getCookie(const StrCaseMap &http_header,const string &cookie_name , const string &path = "/");
+
+    /**
+     * 删除cookie，用户登出时使用
+     * @param cookie cookie对象，可以为nullptr
+     * @return
+     */
+    bool delCookie(const CookieData::Ptr &cookie);
+
+
+    /**
+     * 获取某用户名下最先登录时的cookie，目的是实现某用户下最多登录若干个设备
+     * @param path http路径
+     * @param uid 用户id
+     * @param max_client 最多登录的设备个数
+     * @return 最早的cookie随机字符串
+     */
+    string getOldestCookie( const string &uid, int max_client ,const string &path = "/");
+private:
+    CookieManager();
+    void onManager();
+    /**
+     * 构造cookie对象时触发，目的是记录某账号下多个cookie
+     * @param path http路径
+     * @param uid 用户id
+     * @param cookie cookie随机字符串
+     */
+    void onAddCookie(const string &path,const string &uid,const string &cookie);
+
+    /**
+     * 析构cookie对象时触发
+     * @param path http路径
+     * @param uid 用户id
+     * @param cookie cookie随机字符串
+     */
+    void onDelCookie(const string &path,const string &uid,const string &cookie);
+
+    /**
+     * 删除cookie
+     * @param path http路径
+     * @param cookie cookie随机字符串
+     * @return 成功true
+     */
+    bool delCookie(const string &path,const string &cookie);
+private:
+    unordered_map<string/*path*/,unordered_map<string/*cookie*/,CookieData::Ptr/*cookie_data*/> >_map_cookie;
+    unordered_map<string/*path*/,unordered_map<string/*uid*/,map<uint64_t/*cookie time stamp*/,string/*cookie*/> > >_map_uid_to_cookie;
+    recursive_mutex _mtx_cookie;
+    Timer::Ptr _timer;
+    CookieGeneator _geneator;
+};
+
+
+
+
+#endif //SRC_HTTP_COOKIEMANAGER_H

src/Http/HttpSession.cpp

@@ -49,6 +49,12 @@ using namespace toolkit;
 namespace mediakit {
 
 static int kSockFlags = SOCKET_DEFAULE_FLAGS | FLAG_MORE;
+static const string kCookieName = "ZL_COOKIE";
+static const string kAccessPathKey = "kAccessPathKey";
+static int kMaxClientPerUid = 1;
+static const string kAccessDirUnauthorized = "你没有权限访问该目录";
+static const string kAccessFileUnauthorized = "你没有权限访问该文件";
+
 
 string dateStr() {
 	char buf[64];
@@ -315,6 +321,81 @@ inline static string findIndexFile(const string &dir){
     return "";
 }
 
+inline string HttpSession::getClientUid(){
+    //该ip端口只能有一个cookie，不能重复获取cookie，
+    //目的是为了防止我们让客户端设置cookie，但是客户端不支持cookie导致一直重复生成cookie
+    //判断是否为同一个用户还可以根据url相关字段，但是这个跟具体业务逻辑相关，在这里不便实现
+    //如果一个http客户端不支持cookie并且一直变换端口号，那么会导致服务器无法追踪该用户，从而导致一直触发事件并且一直生成cookie
+    return StrPrinter << get_peer_ip() << ":" << get_peer_port();
+}
+inline void HttpSession::canAccessPath(const string &path_in,bool is_dir,const function<void(bool canAccess,const CookieData::Ptr &cookie)> &callback_in){
+    auto path = path_in;
+    replace(const_cast<string &>(path),"//","/");
+
+    auto callback = [callback_in,this](bool canAccess,const CookieData::Ptr &cookie){
+        try {
+            callback_in(canAccess,cookie);
+        }catch (SockException &ex){
+            if(ex){
+                shutdown(ex);
+            }
+        }catch (exception &ex){
+            shutdown(SockException(Err_shutdown,ex.what()));
+        }
+    };
+
+    //根据http头中的cookie字段获取cookie
+    auto cookie = CookieManager::Instance().getCookie(_parser.getValues(), kCookieName);
+    if (cookie) {
+        //判断该用户是否有权限访问该目录，并且不再设置客户端cookie
+        callback(!(*cookie)[kAccessPathKey].empty() && path.find((*cookie)[kAccessPathKey]) == 0, nullptr);
+        return;
+    }
+
+    //根据该用户的用户名获取cookie
+    string uid = getClientUid();
+    auto cookie_str = CookieManager::Instance().getOldestCookie(uid, kMaxClientPerUid);
+    if(!cookie_str.empty()){
+        //该用户已经登录过了,但是它(http客户端)貌似不支持cookie，所以我们只能通过它的用户名获取cookie
+        cookie = CookieManager::Instance().getCookie(cookie_str);
+        if (cookie) {
+            //判断该用户是否有权限访问该目录，并且不再设置客户端cookie
+            callback(!(*cookie)[kAccessPathKey].empty() && path.find((*cookie)[kAccessPathKey]) == 0, nullptr);
+            return;
+        }
+    }
+
+    //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
+    weak_ptr<HttpSession> weakSelf = dynamic_pointer_cast<HttpSession>(shared_from_this());
+    HttpAccessPathInvoker accessPathInvoker = [weakSelf, callback, uid , path] (const string &accessPath, int cookieLifeSecond) {
+        auto strongSelf = weakSelf.lock();
+        if (!strongSelf) {
+            //自己已经销毁
+            return;
+        }
+        strongSelf->async([weakSelf, callback, accessPath, cookieLifeSecond, uid , path]() {
+            //切换到自己线程
+            auto strongSelf = weakSelf.lock();
+            if (!strongSelf) {
+                //自己已经销毁
+                return;
+            }
+            //我们给用户生成追踪cookie
+            auto cookie = CookieManager::Instance().addCookie(uid, kMaxClientPerUid, cookieLifeSecond);
+            //记录用户能访问的路径
+            (*cookie)[kAccessPathKey] = accessPath;
+            //判断该用户是否有权限访问该目录，并且设置客户端cookie
+            callback(!accessPath.empty() && path.find(accessPath) == 0, cookie);
+        });
+    };
+
+    bool flag = NoticeCenter::Instance().emitEvent(Broadcast::kBroadcastHttpAccess,_parser,_mediaInfo,path,is_dir,accessPathInvoker,*this);
+    if(!flag){
+        //此事件无人监听，我们默认都有权限访问
+        callback(true, nullptr);
+    }
+
+}
 
 inline void HttpSession::Handle_Req_GET(int64_t &content_len) {
 	//先看看是否为WebSocket请求
@@ -357,17 +438,30 @@ inline void HttpSession::Handle_Req_GET(int64_t &content_len) {
             if(!indexFile.empty()){
                 //发现该文件夹下有index文件
                 strFile = strFile + "/" + indexFile;
+                _parser.setUrl(_parser.Url() + "/" + indexFile);
                 break;
             }
-            //生成文件夹菜单索引
             string strMeun;
+            //生成文件夹菜单索引
             if (!makeMeun(_parser.Url(),strFile,strMeun)) {
                 //文件夹不存在
                 sendNotFound(bClose);
                 throw SockException(bClose ? Err_shutdown : Err_success,"close connection after send 404 not found on folder");
             }
-            sendResponse("200 OK", makeHttpHeader(bClose,strMeun.size() ), strMeun);
-            throw SockException(bClose ? Err_shutdown : Err_success,"close connection after send 200 ok on folder");
+
+            //判断是否有权限访问该目录
+            canAccessPath(_parser.Url(),true,[this,bClose,strFile,strMeun](bool canAccess,const CookieData::Ptr &cookie){
+                if(!canAccess){
+                    const_cast<string &>(strMeun) = kAccessDirUnauthorized;
+                }
+                auto headerOut = makeHttpHeader(bClose,strMeun.size());
+                if(cookie){
+                    headerOut["Set-Cookie"] = cookie->getCookie(kCookieName);
+                }
+                sendResponse(canAccess ? "200 OK" : "401 Unauthorized" , headerOut, strMeun);
+                throw SockException(bClose ? Err_shutdown : Err_success,"close connection after access folder");
+            });
+            return;
         }
     }while(0);
 
@@ -391,8 +485,11 @@ inline void HttpSession::Handle_Req_GET(int64_t &content_len) {
         throw SockException(bClose ? Err_shutdown : Err_success,"close connection after send 404 not found on open file failed");
 	}
 
+	auto parser = _parser;
+    //判断是否有权限访问该文件
+    canAccessPath(_parser.Url(),false,[this,parser,tFileStat,pFilePtr,bClose,strFile](bool canAccess,const CookieData::Ptr &cookie){
         //判断是不是分节下载
-	auto &strRange = _parser["Range"];
+        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());
@@ -408,21 +505,26 @@ inline void HttpSession::Handle_Req_GET(int64_t &content_len) {
             pcHttpResult = "206 Partial Content";
             fseek(pFilePtr.get(), iRangeStart, SEEK_SET);
         }
-	auto httpHeader=makeHttpHeader(bClose, iRangeEnd - iRangeStart + 1, get_mime_type(strFile.data()));
+        auto httpHeader = canAccess ? makeHttpHeader(bClose, iRangeEnd - iRangeStart + 1, get_mime_type(strFile.data()))
+                                    : makeHttpHeader(bClose, kAccessFileUnauthorized.size());
         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"];
+        auto Origin = parser["Origin"];
         if(!Origin.empty()){
             httpHeader["Access-Control-Allow-Origin"] = Origin;
             httpHeader["Access-Control-Allow-Credentials"] = "true";
         }
+
+        if(cookie){
+            httpHeader["Set-Cookie"] = cookie->getCookie(kCookieName);
+        }
         //先回复HTTP头部分
-	sendResponse(pcHttpResult, httpHeader, "");
-	if (iRangeEnd - iRangeStart < 0) {
+        sendResponse(canAccess ? pcHttpResult : "401 Unauthorized" , httpHeader,canAccess ? "" : kAccessFileUnauthorized);
+        if (!canAccess || iRangeEnd - iRangeStart < 0) {
             //文件是空的!
-        throw SockException(bClose ? Err_shutdown : Err_success,"close connection after send file partial range excpted");
+            throw SockException(bClose ? Err_shutdown : Err_success,"close connection after access file");
         }
         //回复Content部分
         std::shared_ptr<int64_t> piLeft(new int64_t(iRangeEnd - iRangeStart + 1));
@@ -482,6 +584,7 @@ inline void HttpSession::Handle_Req_GET(int64_t &content_len) {
 
         onFlush();
         _sock->setOnFlush(onFlush);
+    });
 }
 
 inline bool makeMeun(const string &httpPath,const string &strFullPath, string &strRet) {

src/Http/HttpSession.h

@@ -35,6 +35,7 @@
 #include "RtmpMuxer/FlvMuxer.h"
 #include "HttpRequestSplitter.h"
 #include "WebSocketSplitter.h"
+#include "CookieManager.h"
 
 using namespace std;
 using namespace toolkit;
@@ -51,6 +52,8 @@ public:
 							   const KeyValue &headerOut,
 							   const string &contentOut)>  HttpResponseInvoker;
 
+	typedef std::function<void(const string &accessPath, int cookieLifeSecond)> HttpAccessPathInvoker;
+
 	HttpSession(const Socket::Ptr &pSock);
 	virtual ~HttpSession();
 
@@ -109,6 +112,17 @@ private:
                        const string &codeOut,
                        const KeyValue &headerOut,
                        const string &contentOut);
+
+    /**
+     * 是否有权限访问某目录或文件
+     * @param path 文件或目录
+     * @param is_dir path是否为目录
+     * @param callback 有权限或无权限的回调
+     */
+    inline void canAccessPath(const string &path,bool is_dir,const function<void(bool canAccess,const CookieData::Ptr &cookie)> &callback);
+
+    //获取用户唯一识别id，我们默认为ip+端口号
+    inline string getClientUid();
 private:
     Parser _parser;
     Ticker _ticker;

src/Rtsp/Rtsp.h

@@ -145,7 +145,8 @@ public:
 				auto args_pos = _strFullUrl.find('?');
 				if (args_pos != string::npos) {
 					_strUrl = _strFullUrl.substr(0, args_pos);
-					_mapUrlArgs = parseArgs(_strFullUrl.substr(args_pos + 1));
+                    _params = _strFullUrl.substr(args_pos + 1);
+					_mapUrlArgs = parseArgs(_params);
 				} else {
 					_strUrl = _strFullUrl;
 				}
@@ -202,11 +203,15 @@ public:
 		_strMethod.clear();
 		_strUrl.clear();
 		_strFullUrl.clear();
+        _params.clear();
 		_strTail.clear();
 		_strContent.clear();
 		_mapHeaders.clear();
 		_mapUrlArgs.clear();
 	}
+	 const string &Params() const {
+         return _params;
+	}
 
 	void setUrl(const string &url) {
 		this->_strUrl = url;
@@ -242,6 +247,7 @@ private:
 	string _strContent;
 	string _strNull;
 	string _strFullUrl;
+	string _params;
 	mutable StrCaseMap _mapHeaders;
 	mutable StrCaseMap _mapUrlArgs;
 };