oidc impersonation

ydb/mvp/oidc_proxy/context.cpp

@@ -7,8 +7,7 @@
 #include "oidc_settings.h"
 #include "context.h"
 
-namespace NMVP {
-namespace NOIDC {
+namespace NMVP::NOIDC {
 
 TContext::TContext(const TInitializer& initializer)
     : State(initializer.State)
@@ -94,5 +93,4 @@ TStringBuf TContext::GetRequestedUrl(const NHttp::THttpIncomingRequestPtr& reque
     return requestedUrl;
 }
 
-} // NOIDC
-} // NMVP
+} // NMVP::NOIDC

ydb/mvp/oidc_proxy/context.h

@@ -10,8 +10,7 @@ using THttpIncomingRequestPtr = TIntrusivePtr<THttpIncomingRequest>;
 
 }
 
-namespace NMVP {
-namespace NOIDC {
+namespace NMVP::NOIDC {
 
 class TContext {
 public:
@@ -45,5 +44,4 @@ class TContext {
     TString GenerateCookie(const TString& key) const;
 };
 
-} // NOIDC
-} // NMVP
+} // NMVP::NOIDC

ydb/mvp/oidc_proxy/mvp.cpp

@@ -28,8 +28,7 @@
 
 NActors::IActor* CreateMemProfiler();
 
-namespace NMVP {
-namespace NOIDC {
+namespace NMVP::NOIDC {
 
 namespace {
 
@@ -233,6 +232,7 @@ void TMVP::TryGetOidcOptionsFromConfig(const YAML::Node& config) {
     OpenIdConnectSettings.AuthUrlPath = oidc["auth_url_path"].as<std::string>(OpenIdConnectSettings.DEFAULT_AUTH_URL_PATH);
     OpenIdConnectSettings.TokenUrlPath = oidc["token_url_path"].as<std::string>(OpenIdConnectSettings.DEFAULT_TOKEN_URL_PATH);
     OpenIdConnectSettings.ExchangeUrlPath = oidc["exchange_url_path"].as<std::string>(OpenIdConnectSettings.DEFAULT_EXCHANGE_URL_PATH);
+    OpenIdConnectSettings.ImpersonateUrlPath = oidc["impersonate_url_path"].as<std::string>(OpenIdConnectSettings.DEFAULT_IMPERSONATE_URL_PATH);
     Cout << "Started processing allowed_proxy_hosts..." << Endl;
     for (const std::string& host : oidc["allowed_proxy_hosts"].as<std::vector<std::string>>()) {
         Cout << host << " added to allowed_proxy_hosts" << Endl;
@@ -417,5 +417,4 @@ THolder<NActors::TActorSystemSetup> TMVP::BuildActorSystemSetup(int argc, char**
 
 TAtomic TMVP::Quit = false;
 
-} // NOIDC
-} // NMVP
+} // NMVP::NOIDC

ydb/mvp/oidc_proxy/mvp.h

@@ -12,8 +12,7 @@
 #include <contrib/libs/yaml-cpp/include/yaml-cpp/yaml.h>
 #include "oidc_settings.h"
 
-namespace NMVP {
-namespace NOIDC {
+namespace NMVP::NOIDC {
 
 const TString& GetEServiceName(NActors::NLog::EComponent component);
 
@@ -72,5 +71,4 @@ class TMVP {
     int Shutdown();
 };
 
-} // namespace NOIDC
-} // namespace NMVP
+} // NMVP::NOIDC

ydb/mvp/oidc_proxy/oidc_client.cpp

@@ -1,9 +1,12 @@
 #include "oidc_client.h"
 #include "oidc_protected_page_handler.h"
 #include "oidc_session_create_handler.h"
+#include "oidc_impersonate_start_page_nebius.h"
+#include "oidc_impersonate_stop_page_nebius.h"
 
-namespace NMVP {
-namespace NOIDC {
+namespace NMVP::NOIDC {
+
+using namespace NActors;
 
 void InitOIDC(NActors::TActorSystem& actorSystem,
               const NActors::TActorId& httpProxyId,
@@ -14,12 +17,25 @@ void InitOIDC(NActors::TActorSystem& actorSystem,
                          )
                      );
 
+    if (settings.AccessServiceType == NMvp::nebius_v1) {
+        actorSystem.Send(httpProxyId, new NHttp::TEvHttpProxy::TEvRegisterHandler(
+                            "/impersonate/start",
+                            actorSystem.Register(new TImpersonateStartPageHandler(httpProxyId, settings))
+                            )
+                        );
+
+        actorSystem.Send(httpProxyId, new NHttp::TEvHttpProxy::TEvRegisterHandler(
+                            "/impersonate/stop",
+                            actorSystem.Register(new TImpersonateStopPageHandler(httpProxyId, settings))
+                            )
+                        );
+    }
+
     actorSystem.Send(httpProxyId, new NHttp::TEvHttpProxy::TEvRegisterHandler(
                         "/",
                         actorSystem.Register(new TProtectedPageHandler(httpProxyId, settings))
                         )
                     );
 }
 
-}  // NOIDC
-}  // NMVP
+} // NMVP::NOIDC

ydb/mvp/oidc_proxy/oidc_client.h

@@ -5,12 +5,10 @@ class TActorSystem;
 struct TActorId;
 
 }  // NActors
-namespace NMVP {
-namespace NOIDC {
+namespace NMVP::NOIDC {
 
 struct TOpenIdConnectSettings;
 
 void InitOIDC(NActors::TActorSystem& actorSystem, const NActors::TActorId& httpProxyId, const TOpenIdConnectSettings& settings);
 
-}  // NOIDC
-}  // NMVP
+} // NMVP::NOIDC

ydb/mvp/oidc_proxy/oidc_impersonate_start_page_nebius.cpp

@@ -0,0 +1,153 @@
+#include <library/cpp/string_utils/base64/base64.h>
+#include <library/cpp/string_utils/quote/quote.h>
+#include <ydb/library/actors/http/http.h>
+#include <ydb/library/security/util.h>
+#include <ydb/mvp/core/mvp_log.h>
+#include <ydb/mvp/core/mvp_tokens.h>
+#include "openid_connect.h"
+#include "oidc_session_create.h"
+#include "oidc_impersonate_start_page_nebius.h"
+
+namespace NMVP::NOIDC {
+
+THandlerImpersonateStart::THandlerImpersonateStart(const NActors::TActorId& sender,
+                                                   const NHttp::THttpIncomingRequestPtr& request,
+                                                   const NActors::TActorId& httpProxyId,
+                                                   const TOpenIdConnectSettings& settings)
+    : Sender(sender)
+    , Request(request)
+    , HttpProxyId(httpProxyId)
+    , Settings(settings)
+{}
+
+void THandlerImpersonateStart::Bootstrap(const NActors::TActorContext& ctx) {
+    BLOG_D("Start impersonation process");
+
+    NHttp::TUrlParameters urlParameters(Request->URL);
+    TString serviceAccountId = urlParameters["service_account_id"];
+
+    NHttp::THeaders headers(Request->Headers);
+    NHttp::TCookies cookies(headers.Get("Cookie"));
+
+    TString sessionCookieName = CreateNameSessionCookie(Settings.ClientId);
+    TStringBuf sessionCookieValue = cookies.Get(sessionCookieName);
+    if (!sessionCookieValue.Empty()) {
+        BLOG_D("Using session cookie (" << sessionCookieName << ": " << NKikimr::MaskTicket(sessionCookieValue) << ")");
+    }
+    TString sessionToken = DecodeToken(sessionCookieValue);
+    TStringBuf impersonatedCookieValue = GetCookie(cookies, CreateNameImpersonatedCookie(Settings.ClientId));
+
+    if (sessionToken.empty()) {
+        return ReplyBadRequestAndPassAway("Wrong impersonate parameter: session cookie not found");
+    }
+    if (!impersonatedCookieValue.empty()) {
+        return ReplyBadRequestAndPassAway("Wrong impersonate parameter: impersonated cookie already exists");
+    }
+    if (serviceAccountId.empty()) {
+        return ReplyBadRequestAndPassAway("Wrong impersonate parameter: service_account_id not found");
+    }
+
+    RequestImpersonatedToken(sessionToken, serviceAccountId, ctx);
+}
+
+void THandlerImpersonateStart::RequestImpersonatedToken(TString& sessionToken, TString& serviceAccountId, const NActors::TActorContext& ctx) {
+    BLOG_D("Request impersonated token");
+    NHttp::THttpOutgoingRequestPtr httpRequest = NHttp::THttpOutgoingRequest::CreateRequestPost(Settings.GetImpersonateEndpointURL());
+    httpRequest->Set<&NHttp::THttpRequest::ContentType>("application/x-www-form-urlencoded");
+
+    TMvpTokenator* tokenator = MVPAppData()->Tokenator;
+    TString token = "";
+    if (tokenator) {
+        token = tokenator->GetToken(Settings.SessionServiceTokenName);
+    }
+    httpRequest->Set("Authorization", token); // Bearer included
+
+    CGIEscape(sessionToken);
+    CGIEscape(serviceAccountId);
+    TStringBuilder body;
+    body << "session=" << sessionToken
+         << "&service_account_id=" << serviceAccountId;
+    httpRequest->Set<&NHttp::THttpRequest::Body>(body);
+
+    ctx.Send(HttpProxyId, new NHttp::TEvHttpProxy::TEvHttpOutgoingRequest(httpRequest));
+    Become(&THandlerImpersonateStart::StateWork);
+}
+
+void THandlerImpersonateStart::ProcessImpersonatedToken(const TString& impersonatedToken) {
+    TString impersonatedCookieName = CreateNameImpersonatedCookie(Settings.ClientId);
+    TString impersonatedCookieValue = Base64Encode(impersonatedToken);
+    BLOG_D("Set impersonated cookie: (" << impersonatedCookieName << ": " << NKikimr::MaskTicket(impersonatedCookieValue) << ")");
+
+    NHttp::THeadersBuilder responseHeaders;
+    responseHeaders.Set("Set-Cookie", CreateSecureCookie(impersonatedCookieName, impersonatedCookieValue));
+    SetCORS(Request, &responseHeaders);
+    NHttp::THttpOutgoingResponsePtr httpResponse = Request->CreateResponse("200", "OK", responseHeaders);
+    ReplyAndPassAway(httpResponse);
+}
+
+void THandlerImpersonateStart::Handle(NHttp::TEvHttpProxy::TEvHttpIncomingResponse::TPtr event) {
+    NHttp::THttpOutgoingResponsePtr httpResponse;
+    if (event->Get()->Error.empty() && event->Get()->Response) {
+        NHttp::THttpIncomingResponsePtr response = event->Get()->Response;
+        BLOG_D("Incoming response from authorization server: " << response->Status);
+        if (response->Status == "200") {
+            TStringBuf errorMessage;
+            NJson::TJsonValue jsonValue;
+            NJson::TJsonReaderConfig jsonConfig;
+            if (NJson::ReadJsonTree(response->Body, &jsonConfig, &jsonValue)) {
+                const NJson::TJsonValue* jsonImpersonatedToken;
+                if (jsonValue.GetValuePointer("impersonation", &jsonImpersonatedToken)) {
+                    TString impersonatedToken = jsonImpersonatedToken->GetStringRobust();
+                    ProcessImpersonatedToken(impersonatedToken);
+                    return;
+                } else {
+                    errorMessage = "Wrong OIDC provider response: impersonated token not found";
+                }
+            } else {
+                errorMessage =  "Wrong OIDC response";
+            }
+            NHttp::THeadersBuilder responseHeaders;
+            responseHeaders.Set("Content-Type", "text/plain");
+            SetCORS(Request, &responseHeaders);
+            return ReplyAndPassAway(Request->CreateResponse("400", "Bad Request", responseHeaders, errorMessage));
+        } else {
+            NHttp::THeadersBuilder responseHeaders;
+            NHttp::THeaders headers(response->Headers);
+            if (headers.Has("Content-Type")) {
+                responseHeaders.Set("Content-Type", headers.Get("Content-Type"));
+            }
+            SetCORS(Request, &responseHeaders);
+            return ReplyAndPassAway(Request->CreateResponse(response->Status, response->Message, responseHeaders, response->Body));
+        }
+    } else {
+        NHttp::THeadersBuilder responseHeaders;
+        responseHeaders.Set("Content-Type", "text/plain");
+        SetCORS(Request, &responseHeaders);
+        return ReplyAndPassAway(Request->CreateResponse("400", "Bad Request", responseHeaders, event->Get()->Error));
+    }
+}
+
+void THandlerImpersonateStart::ReplyAndPassAway(NHttp::THttpOutgoingResponsePtr httpResponse) {
+    Send(Sender, new NHttp::TEvHttpProxy::TEvHttpOutgoingResponse(httpResponse));
+    PassAway();
+}
+
+void THandlerImpersonateStart::ReplyBadRequestAndPassAway(const TString& errorMessage) {
+    NHttp::THeadersBuilder responseHeaders;
+    responseHeaders.Set("Content-Type", "text/plain");
+    SetCORS(Request, &responseHeaders);
+    NHttp::THttpOutgoingResponsePtr httpResponse = Request->CreateResponse("400", "Bad Request", responseHeaders, errorMessage);
+    ReplyAndPassAway(httpResponse);
+}
+
+TImpersonateStartPageHandler::TImpersonateStartPageHandler(const NActors::TActorId& httpProxyId, const TOpenIdConnectSettings& settings)
+    : TBase(&TImpersonateStartPageHandler::StateWork)
+    , HttpProxyId(httpProxyId)
+    , Settings(settings)
+{}
+
+void TImpersonateStartPageHandler::Handle(NHttp::TEvHttpProxy::TEvHttpIncomingRequest::TPtr event, const NActors::TActorContext& ctx) {
+    ctx.Register(new THandlerImpersonateStart(event->Sender, event->Get()->Request, HttpProxyId, Settings));
+}
+
+} // NMVP::NOIDC

ydb/mvp/oidc_proxy/oidc_impersonate_start_page_nebius.h

@@ -0,0 +1,58 @@
+#pragma once
+
+#include "oidc_settings.h"
+#include "context.h"
+
+namespace NMVP::NOIDC {
+
+using namespace NActors;
+
+class THandlerImpersonateStart : public NActors::TActorBootstrapped<THandlerImpersonateStart> {
+private:
+    using TBase = NActors::TActorBootstrapped<THandlerImpersonateStart>;
+
+protected:
+    const NActors::TActorId Sender;
+    const NHttp::THttpIncomingRequestPtr Request;
+    const NActors::TActorId HttpProxyId;
+    const TOpenIdConnectSettings Settings;
+
+public:
+    THandlerImpersonateStart(const NActors::TActorId& sender,
+                             const NHttp::THttpIncomingRequestPtr& request,
+                             const NActors::TActorId& httpProxyId,
+                             const TOpenIdConnectSettings& settings);
+    void Bootstrap(const NActors::TActorContext& ctx);
+    void RequestImpersonatedToken(TString&, TString&, const NActors::TActorContext&);
+    void ProcessImpersonatedToken(const TString& impersonatedToken);
+    void Handle(NHttp::TEvHttpProxy::TEvHttpIncomingResponse::TPtr event);
+    void ReplyAndPassAway(NHttp::THttpOutgoingResponsePtr httpResponse);
+    void ReplyBadRequestAndPassAway(const TString& errorMessage);
+
+    STFUNC(StateWork) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(NHttp::TEvHttpProxy::TEvHttpIncomingResponse, Handle);
+            cFunc(TEvents::TEvPoisonPill::EventType, PassAway);
+        }
+    }
+};
+
+class TImpersonateStartPageHandler : public NActors::TActor<TImpersonateStartPageHandler> {
+    using TBase = NActors::TActor<TImpersonateStartPageHandler>;
+
+    const NActors::TActorId HttpProxyId;
+    const TOpenIdConnectSettings Settings;
+
+public:
+    TImpersonateStartPageHandler(const NActors::TActorId& httpProxyId, const TOpenIdConnectSettings& settings);
+    void Handle(NHttp::TEvHttpProxy::TEvHttpIncomingRequest::TPtr event, const NActors::TActorContext& ctx);
+
+    STFUNC(StateWork) {
+        switch (ev->GetTypeRewrite()) {
+            HFunc(NHttp::TEvHttpProxy::TEvHttpIncomingRequest, Handle);
+            cFunc(TEvents::TEvPoisonPill::EventType, PassAway);
+        }
+    }
+};
+
+} // NMVP::NOIDC

ydb/mvp/oidc_proxy/oidc_impersonate_stop_page_nebius.cpp

@@ -0,0 +1,46 @@
+#include "openid_connect.h"
+#include "oidc_session_create.h"
+#include "oidc_impersonate_stop_page_nebius.h"
+#include <ydb/library/actors/core/events.h>
+
+namespace NMVP::NOIDC {
+
+THandlerImpersonateStop::THandlerImpersonateStop(const NActors::TActorId& sender,
+                                                 const NHttp::THttpIncomingRequestPtr& request,
+                                                 const NActors::TActorId& httpProxyId,
+                                                 const TOpenIdConnectSettings& settings)
+    : Sender(sender)
+    , Request(request)
+    , HttpProxyId(httpProxyId)
+    , Settings(settings)
+{}
+
+void THandlerImpersonateStop::Bootstrap() {
+    TString impersonatedCookieName = CreateNameImpersonatedCookie(Settings.ClientId);
+    BLOG_D("Clear impersonated cookie: (" << impersonatedCookieName << ")");
+
+    NHttp::THeadersBuilder responseHeaders;
+    responseHeaders.Set("Set-Cookie", ClearSecureCookie(impersonatedCookieName));
+    SetCORS(Request, &responseHeaders);
+
+    NHttp::THttpOutgoingResponsePtr httpResponse;
+    httpResponse = Request->CreateResponse("200", "OK", responseHeaders);
+    ReplyAndPassAway(httpResponse);
+}
+
+void THandlerImpersonateStop::ReplyAndPassAway(NHttp::THttpOutgoingResponsePtr httpResponse) {
+    Send(Sender, new NHttp::TEvHttpProxy::TEvHttpOutgoingResponse(httpResponse));
+    PassAway();
+}
+
+TImpersonateStopPageHandler::TImpersonateStopPageHandler(const NActors::TActorId& httpProxyId, const TOpenIdConnectSettings& settings)
+    : TBase(&TImpersonateStopPageHandler::StateWork)
+    , HttpProxyId(httpProxyId)
+    , Settings(settings)
+{}
+
+void TImpersonateStopPageHandler::Handle(NHttp::TEvHttpProxy::TEvHttpIncomingRequest::TPtr event, const NActors::TActorContext& ctx) {
+    ctx.Register(new THandlerImpersonateStop(event->Sender, event->Get()->Request, HttpProxyId, Settings));
+}
+
+} // NMVP::NOIDC