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| 1 | +#include <library/cpp/json/json_reader.h> |
| 2 | +#include <library/cpp/string_utils/base64/base64.h> |
| 3 | +#include <ydb/library/actors/http/http.h> |
| 4 | +#include <ydb/mvp/core/mvp_log.h> |
| 5 | +#include "openid_connect.h" |
| 6 | +#include "oidc_session_create.h" |
| 7 | +#include "oidc_settings.h" |
| 8 | + |
| 9 | +namespace NMVP { |
| 10 | +namespace NOIDC { |
| 11 | + |
| 12 | +THandlerImpersonateStart::THandlerImpersonateStart(const NActors::TActorId& sender, |
| 13 | + const NHttp::THttpIncomingRequestPtr& request, |
| 14 | + const NActors::TActorId& httpProxyId, |
| 15 | + const TOpenIdConnectSettings& settings) |
| 16 | + : Sender(sender) |
| 17 | + , Request(request) |
| 18 | + , HttpProxyId(httpProxyId) |
| 19 | + , Settings(settings) |
| 20 | +{} |
| 21 | + |
| 22 | +void THandlerImpersonateStart::Bootstrap(const NActors::TActorContext& ctx) { |
| 23 | + NHttp::TUrlParameters urlParameters(Request->URL); |
| 24 | + TString serviceAccountId = urlParameters["service_accound_id"]; |
| 25 | + |
| 26 | + NHttp::THeaders headers(Request->Headers); |
| 27 | + LOG_DEBUG_S(ctx, EService::MVP, "Start impersonation process"); |
| 28 | + NHttp::TCookies cookies(headers.Get("Cookie")); |
| 29 | + TString sessionToken = DecodeToken(cookies, CreateNameSessionCookie(Settings.ClientId)); |
| 30 | + |
| 31 | + if (sessionToken && serviceAccountId) { |
| 32 | + RequestImpersonatedToken(sessionToken, serviceAccountId, ctx); |
| 33 | + } else { |
| 34 | + NHttp::THeadersBuilder responseHeaders; |
| 35 | + responseHeaders.Set("Content-Type", "text/plain"); |
| 36 | + httpResponse = Request->CreateResponse("400", "Bad Request", responseHeaders, event->Get()->Error); |
| 37 | + } |
| 38 | +} |
| 39 | + |
| 40 | +void THandlerImpersonateStart::RequestImpersonatedToken(const TString sessionToken, const TString serviceAccountId, const NActors::TActorContext& ctx) { |
| 41 | + LOG_DEBUG_S(ctx, EService::MVP, "Request impersonated token"); |
| 42 | + NHttp::THttpOutgoingRequestPtr httpRequest = NHttp::THttpOutgoingRequest::CreateRequestPost(Settings.GetExchangeEndpointURL()); |
| 43 | + httpRequest->Set<&NHttp::THttpRequest::ContentType>("application/x-www-form-urlencoded"); |
| 44 | + |
| 45 | + TMvpTokenator* tokenator = MVPAppData()->Tokenator; |
| 46 | + TString token = ""; |
| 47 | + if (tokenator) { |
| 48 | + token = tokenator->GetToken(Settings.SessionServiceTokenName); |
| 49 | + } |
| 50 | + httpRequest->Set("Authorization", token); // Bearer included |
| 51 | + TStringBuilder body; |
| 52 | + body << "grant_type=urn:ietf:params:oauth:grant-type:token-exchange" |
| 53 | + << "&requested_token_type=urn:ietf:params:oauth:token-type:access_token" |
| 54 | + << "&subject_token_type=urn:ietf:params:oauth:token-type:session_token" |
| 55 | + << "&subject_token=" << sessionToken; |
| 56 | + httpRequest->Set<&NHttp::THttpRequest::Body>(body); |
| 57 | + |
| 58 | + ctx.Send(HttpProxyId, new NHttp::TEvHttpProxy::TEvHttpOutgoingRequest(httpRequest)); |
| 59 | + |
| 60 | + Become(&THandlerSessionServiceCheckNebius::StateExchange); |
| 61 | +} |
| 62 | + |
| 63 | +void THandlerImpersonateStart::Handle(NHttp::TEvHttpProxy::TEvHttpIncomingResponse::TPtr event, const NActors::TActorContext& ctx) { |
| 64 | + NHttp::THttpOutgoingResponsePtr httpResponse; |
| 65 | + if (event->Get()->Error.empty() && event->Get()->Response) { |
| 66 | + NHttp::THttpIncomingResponsePtr response = event->Get()->Response; |
| 67 | + LOG_DEBUG_S(ctx, EService::MVP, "Incoming response from authorization server: " << response->Status); |
| 68 | + if (response->Status == "200") { |
| 69 | + TStringBuf jsonError; |
| 70 | + NJson::TJsonValue jsonValue; |
| 71 | + NJson::TJsonReaderConfig jsonConfig; |
| 72 | + if (NJson::ReadJsonTree(response->Body, &jsonConfig, &jsonValue)) { |
| 73 | + const NJson::TJsonValue* jsonAccessToken; |
| 74 | + if (jsonValue.GetValuePointer("access_token", &jsonAccessToken)) { |
| 75 | + TString sessionToken = jsonAccessToken->GetStringRobust(); |
| 76 | + ProcessSessionToken(sessionToken, ctx); |
| 77 | + return; |
| 78 | + } else { |
| 79 | + jsonError = "Wrong OIDC provider response: access_token not found"; |
| 80 | + } |
| 81 | + } else { |
| 82 | + jsonError = "Wrong OIDC response"; |
| 83 | + } |
| 84 | + NHttp::THeadersBuilder responseHeaders; |
| 85 | + responseHeaders.Set("Content-Type", "text/plain"); |
| 86 | + httpResponse = Request->CreateResponse("400", "Bad Request", responseHeaders, jsonError); |
| 87 | + } else { |
| 88 | + NHttp::THeadersBuilder responseHeaders; |
| 89 | + responseHeaders.Parse(response->Headers); |
| 90 | + httpResponse = Request->CreateResponse(response->Status, response->Message, responseHeaders, response->Body); |
| 91 | + } |
| 92 | + } else { |
| 93 | + NHttp::THeadersBuilder responseHeaders; |
| 94 | + responseHeaders.Set("Content-Type", "text/plain"); |
| 95 | + httpResponse = Request->CreateResponse("400", "Bad Request", responseHeaders, event->Get()->Error); |
| 96 | + } |
| 97 | + ctx.Send(Sender, new NHttp::TEvHttpProxy::TEvHttpOutgoingResponse(httpResponse)); |
| 98 | + Die(ctx); |
| 99 | +} |
| 100 | + |
| 101 | +TString THandlerImpersonateStart::ChangeSameSiteFieldInSessionCookie(const TString& cookie) { |
| 102 | + const static TStringBuf SameSiteParameter {"SameSite=Lax"}; |
| 103 | + size_t n = cookie.find(SameSiteParameter); |
| 104 | + if (n == TString::npos) { |
| 105 | + return cookie; |
| 106 | + } |
| 107 | + TStringBuilder cookieBuilder; |
| 108 | + cookieBuilder << cookie.substr(0, n); |
| 109 | + cookieBuilder << "SameSite=None"; |
| 110 | + cookieBuilder << cookie.substr(n + SameSiteParameter.size()); |
| 111 | + return cookieBuilder; |
| 112 | +} |
| 113 | + |
| 114 | +void THandlerImpersonateStart::RetryRequestToProtectedResourceAndDie(const NActors::TActorContext& ctx) { |
| 115 | + NHttp::THeadersBuilder responseHeaders; |
| 116 | + RetryRequestToProtectedResourceAndDie(&responseHeaders, ctx); |
| 117 | +} |
| 118 | + |
| 119 | +void THandlerImpersonateStart::RetryRequestToProtectedResourceAndDie(NHttp::THeadersBuilder* responseHeaders, const NActors::TActorContext& ctx) { |
| 120 | + SetCORS(Request, responseHeaders); |
| 121 | + responseHeaders->Set("Location", Context.GetRequestedAddress()); |
| 122 | + ctx.Send(Sender, new NHttp::TEvHttpProxy::TEvHttpOutgoingResponse(Request->CreateResponse("302", "Found", *responseHeaders))); |
| 123 | + Die(ctx); |
| 124 | +} |
| 125 | + |
| 126 | +void THandlerImpersonateStart::SendUnknownErrorResponseAndDie(const NActors::TActorContext& ctx) { |
| 127 | + NHttp::THeadersBuilder responseHeaders; |
| 128 | + responseHeaders.Set("Content-Type", "text/html"); |
| 129 | + SetCORS(Request, &responseHeaders); |
| 130 | + const static TStringBuf BAD_REQUEST_HTML_PAGE = "<html>" |
| 131 | + "<head>" |
| 132 | + "<title>" |
| 133 | + "400 Bad Request" |
| 134 | + "</title>" |
| 135 | + "</head>" |
| 136 | + "<body bgcolor=\"white\">" |
| 137 | + "<center>" |
| 138 | + "<h1>" |
| 139 | + "Unknown error has occurred. Please open the page again" |
| 140 | + "</h1>" |
| 141 | + "</center>" |
| 142 | + "</body>" |
| 143 | + "</html>"; |
| 144 | + ctx.Send(Sender, new NHttp::TEvHttpProxy::TEvHttpOutgoingResponse(Request->CreateResponse("400", "Bad Request", responseHeaders, BAD_REQUEST_HTML_PAGE))); |
| 145 | + Die(ctx); |
| 146 | +} |
| 147 | + |
| 148 | +} // NOIDC |
| 149 | +} // NMVP |
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