实现whip/whep delete相关功能

通过whip/whep 回复http头中的Location url进行删除资源
新增delete token随机数实现删除鉴权
This commit is contained in:
xia-chu 2023-04-28 22:06:46 +08:00
parent d2349f01bd
commit 8c049d4e28
4 changed files with 44 additions and 4 deletions

View File

@ -1628,18 +1628,21 @@ void installWebApi() {
});
});
static constexpr char delete_webrtc_url [] = "/index/api/delete_webrtc";
static auto whip_whep_func = [](const char *type, API_ARGS_STRING_ASYNC) {
auto offer = allArgs.getArgs();
CHECK(!offer.empty(), "http body(webrtc offer sdp) is empty");
WebRtcPluginManager::Instance().getAnswerSdp(static_cast<Session&>(sender), type,
WebRtcArgsImp(allArgs, sender.getIdentifier()),
[invoker, offer, headerOut](const WebRtcInterface &exchanger) mutable {
auto &session = static_cast<Session&>(sender);
auto location = std::string("http") + (session.overSsl() ? "s" : "") + "://" + allArgs["host"] + delete_webrtc_url;
WebRtcPluginManager::Instance().getAnswerSdp(session, type, WebRtcArgsImp(allArgs, sender.getIdentifier()),
[invoker, offer, headerOut, location](const WebRtcInterface &exchanger) mutable {
// 设置跨域
headerOut["Access-Control-Allow-Origin"] = "*";
try {
// 设置返回类型
headerOut["Content-Type"] = "application/sdp";
headerOut["Location"] = location + "?id=" + exchanger.getIdentifier() + "&token=" + exchanger.deleteRandStr();
invoker(201, headerOut, exchangeSdp(exchanger, offer));
} catch (std::exception &ex) {
headerOut["Content-Type"] = "text/plain";
@ -1650,6 +1653,22 @@ void installWebApi() {
api_regist("/index/api/whip", [](API_ARGS_STRING_ASYNC) { whip_whep_func("push", API_ARGS_VALUE, invoker); });
api_regist("/index/api/whep", [](API_ARGS_STRING_ASYNC) { whip_whep_func("play", API_ARGS_VALUE, invoker); });
api_regist(delete_webrtc_url, [](API_ARGS_MAP_ASYNC) {
CHECK_ARGS("id", "token");
CHECK(allArgs.getParser().Method() == "DELETE", "http method is not DELETE: " + allArgs.getParser().Method());
auto obj = WebRtcTransportManager::Instance().getItem(allArgs["id"]);
if (!obj) {
invoker(404, headerOut, "id not found");
return;
}
if (obj->deleteRandStr() != allArgs["token"]) {
invoker(401, headerOut, "token incorrect");
return;
}
obj->safeShutdown(SockException(Err_shutdown, "deleted by http api"));
invoker(200, headerOut, "");
});
#endif
#if defined(ENABLE_VERSION)

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@ -52,6 +52,7 @@ ssize_t HttpSession::onRecvHeader(const char *header,size_t len) {
static unordered_map<string, HttpCMDHandle> s_func_map;
static onceToken token([]() {
s_func_map.emplace("GET",&HttpSession::Handle_Req_GET);
s_func_map.emplace("DELETE",&HttpSession::Handle_Req_GET);
s_func_map.emplace("POST",&HttpSession::Handle_Req_POST);
s_func_map.emplace("HEAD",&HttpSession::Handle_Req_HEAD);
s_func_map.emplace("OPTIONS",&HttpSession::Handle_Req_OPTIONS);

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@ -113,6 +113,13 @@ const string &WebRtcTransport::getIdentifier() const {
return _identifier;
}
const std::string& WebRtcTransport::deleteRandStr() const {
if (_delete_rand_str.empty()) {
_delete_rand_str = makeRandStr(32);
}
return _delete_rand_str;
}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void WebRtcTransport::OnIceServerSendStunPacket(
@ -1053,6 +1060,15 @@ void WebRtcTransportImp::onBeforeEncryptRtp(const char *buf, int &len, void *ctx
}
}
void WebRtcTransportImp::safeShutdown(const SockException &ex) {
std::weak_ptr<WebRtcTransportImp> weak_self = static_pointer_cast<WebRtcTransportImp>(shared_from_this());
getPoller()->async([ex, weak_self]() {
if (auto strong_self = weak_self.lock()) {
strong_self->onShutdown(ex);
}
});
}
void WebRtcTransportImp::onShutdown(const SockException &ex) {
WarnL << ex;
unrefSelf();

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@ -40,7 +40,8 @@ public:
WebRtcInterface() = default;
virtual ~WebRtcInterface() = default;
virtual std::string getAnswerSdp(const std::string &offer) = 0;
virtual const std::string &getIdentifier() const = 0;
virtual const std::string& getIdentifier() const = 0;
virtual const std::string& deleteRandStr() const { static std::string s_null; return s_null; }
};
std::string exchangeSdp(const WebRtcInterface &exchanger, const std::string& offer);
@ -92,6 +93,7 @@ public:
* id
*/
const std::string& getIdentifier() const override;
const std::string& deleteRandStr() const override;
/**
* socket收到udp数据
@ -174,6 +176,7 @@ protected:
std::shared_ptr<RTC::IceServer> _ice_server;
private:
mutable std::string _delete_rand_str;
std::string _identifier;
EventPoller::Ptr _poller;
std::shared_ptr<RTC::DtlsTransport> _dtls_transport;
@ -248,6 +251,7 @@ public:
void createRtpChannel(const std::string &rid, uint32_t ssrc, MediaTrack &track);
void removeTuple(RTC::TransportTuple* tuple);
void safeShutdown(const SockException &ex);
protected:
void OnIceServerSelectedTuple(const RTC::IceServer *iceServer, RTC::TransportTuple *tuple) override;