feat(SSO): JWTやSAMLでのSingle Sign-Onの実装 (MisskeyIO#519)
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まっちゃとーにゅ
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45 changed files with 4094 additions and 1725 deletions
654
packages/backend/src/server/sso/SAMLIdentifyProviderService.ts
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654
packages/backend/src/server/sso/SAMLIdentifyProviderService.ts
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import { fileURLToPath } from 'node:url';
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import { randomUUID } from 'node:crypto';
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import * as jose from 'jose';
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import * as Redis from 'ioredis';
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import * as saml from 'samlify';
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import * as validator from '@authenio/samlify-node-xmllint';
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import fastifyView from '@fastify/view';
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import fastifyCors from '@fastify/cors';
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import fastifyFormbody from '@fastify/formbody';
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import fastifyHttpErrorsEnhanced from 'fastify-http-errors-enhanced';
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import pug from 'pug';
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import xmlbuilder from 'xmlbuilder';
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import { Inject, Injectable } from '@nestjs/common';
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import { IsNull, Not } from 'typeorm';
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import Logger from '@/logger.js';
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import type {
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MiSingleSignOnServiceProvider,
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SingleSignOnServiceProviderRepository,
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UserProfilesRepository,
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UsersRepository,
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} from '@/models/_.js';
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import { CacheService } from '@/core/CacheService.js';
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import type { Config } from '@/config.js';
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import { LoggerService } from '@/core/LoggerService.js';
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import { RoleService } from '@/core/RoleService.js';
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import type { MiLocalUser } from '@/models/User.js';
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import { bindThis } from '@/decorators.js';
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import { DI } from '@/di-symbols.js';
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import type { FastifyInstance } from 'fastify';
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@Injectable()
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export class SAMLIdentifyProviderService {
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#logger: Logger;
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constructor(
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@Inject(DI.config)
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private config: Config,
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@Inject(DI.redis)
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private redisClient: Redis.Redis,
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@Inject(DI.singleSignOnServiceProviderRepository)
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private singleSignOnServiceProviderRepository: SingleSignOnServiceProviderRepository,
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@Inject(DI.usersRepository)
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private usersRepository: UsersRepository,
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@Inject(DI.userProfilesRepository)
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private userProfilesRepository: UserProfilesRepository,
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private roleService: RoleService,
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private cacheService: CacheService,
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private loggerService: LoggerService,
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) {
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this.#logger = this.loggerService.getLogger('sso:saml');
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saml.setSchemaValidator(validator);
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}
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public async createIdPMetadataXml(
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provider: MiSingleSignOnServiceProvider,
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): Promise<string> {
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const today = new Date();
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const publicKey = await jose.importJWK(JSON.parse(provider.publicKey)).then((r) => jose.exportSPKI(r as jose.KeyLike));
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const nodes = {
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'md:EntityDescriptor': {
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'@xmlns:md': 'urn:oasis:names:tc:SAML:2.0:metadata',
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'@entityID': provider.issuer,
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'@validUntil': new Date(today.setFullYear(today.getFullYear() + 10)).toISOString(),
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'md:IDPSSODescriptor': {
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'@WantAuthnRequestsSigned': provider.wantAuthnRequestsSigned,
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'@protocolSupportEnumeration': 'urn:oasis:names:tc:SAML:2.0:protocol',
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'md:KeyDescriptor': {
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'@use': 'signing',
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'ds:KeyInfo': {
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'@xmlns:ds': 'http://www.w3.org/2000/09/xmldsig#',
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'ds:X509Data': {
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'ds:X509Certificate': {
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'#text': publicKey,
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},
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},
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},
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},
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'md:NameIDFormat': {
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'#text': 'urn:oasis:names:tc:SAML:2.0:nameid-format:persistent',
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},
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'md:SingleSignOnService': [
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{
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'@Binding': 'urn:oasis:names:tc:SAML:2.0:bindings:HTTP-Redirect',
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'@Location': `${this.config.url}/sso/saml/${provider.id}`,
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},
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{
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'@Binding': 'urn:oasis:names:tc:SAML:2.0:bindings:HTTP-POST',
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'@Location': `${this.config.url}/sso/saml/${provider.id}`,
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},
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],
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},
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},
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};
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return xmlbuilder
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.create(nodes, { encoding: 'UTF-8', standalone: false })
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.end({ pretty: true });
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}
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public async createSPMetadataXml(
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provider: MiSingleSignOnServiceProvider,
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): Promise<string> {
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const today = new Date();
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const publicKey = await jose.importJWK(JSON.parse(provider.publicKey)).then((r) => jose.exportSPKI(r as jose.KeyLike));
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const keyDescriptor: unknown[] = [
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{
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'@use': 'signing',
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'ds:KeyInfo': {
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'@xmlns:ds': 'http://www.w3.org/2000/09/xmldsig#',
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'ds:X509Data': {
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'ds:X509Certificate': {
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'#text': publicKey,
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},
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},
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},
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},
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];
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if (provider.cipherAlgorithm) {
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keyDescriptor.push({
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'@use': 'encryption',
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'ds:KeyInfo': {
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'@xmlns:ds': 'http://www.w3.org/2000/09/xmldsig#',
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'ds:X509Data': {
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'ds:X509Certificate': {
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'#text': publicKey,
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},
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},
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},
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'md:EncryptionMethod': {
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'@Algorithm': 'http://www.w3.org/2001/04/xmlenc#aes256-cbc',
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},
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});
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}
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const nodes = {
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'md:EntityDescriptor': {
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'@xmlns:md': 'urn:oasis:names:tc:SAML:2.0:metadata',
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'@entityID': provider.issuer,
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'@validUntil': new Date(today.setFullYear(today.getFullYear() + 10)).toISOString(),
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'md:SPSSODescriptor': {
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'@AuthnRequestsSigned': provider.wantAuthnRequestsSigned,
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'@WantAssertionsSigned': provider.wantAssertionsSigned,
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'@protocolSupportEnumeration': 'urn:oasis:names:tc:SAML:2.0:protocol',
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'md:KeyDescriptor': keyDescriptor,
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'md:NameIDFormat': {
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'#text': 'urn:oasis:names:tc:SAML:2.0:nameid-format:persistent',
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},
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'md:AssertionConsumerService': {
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'@index': 1,
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'@Binding': 'urn:oasis:names:tc:SAML:2.0:bindings:HTTP-POST',
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'@Location': provider.acsUrl,
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},
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},
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},
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};
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return xmlbuilder
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.create(nodes, { encoding: 'UTF-8', standalone: false })
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.end({ pretty: true });
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}
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/**
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* @desc Alternative to lodash.get
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* @reference https://github.com/you-dont-need/You-Dont-Need-Lodash-Underscore#_get
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* @param obj
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* @param path
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* @param defaultValue
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*/
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// eslint-disable-next-line @typescript-eslint/no-explicit-any
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private get(obj: any, path: string, defaultValue: unknown) {
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return path
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.split('.')
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.reduce((a, c) => (a?.[c] ? a[c] : defaultValue || null), obj);
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}
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@bindThis
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public async createServer(fastify: FastifyInstance): Promise<void> {
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fastify.register(fastifyHttpErrorsEnhanced, { preHandler: (error: Error): Error => { this.#logger.error(error); return error; } });
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fastify.register(fastifyFormbody);
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fastify.register(fastifyCors);
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fastify.register(fastifyView, {
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root: fileURLToPath(new URL('../web/views', import.meta.url)),
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engine: { pug },
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defaultContext: {
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version: this.config.version,
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config: this.config,
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},
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});
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fastify.all<{
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Params: { serviceId: string };
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Querystring?: { SAMLRequest?: string; RelayState?: string };
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Body?: { SAMLRequest?: string; RelayState?: string };
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}>('/:serviceId', async (request, reply) => {
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const serviceId = request.params.serviceId;
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const binding = request.query?.SAMLRequest ? 'redirect' : 'post';
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const samlRequest = request.query?.SAMLRequest ?? request.body?.SAMLRequest;
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const relayState = request.query?.RelayState ?? request.body?.RelayState;
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const ssoServiceProvider = await this.singleSignOnServiceProviderRepository.findOneBy({ id: serviceId, type: 'saml', privateKey: Not(IsNull()) });
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if (!ssoServiceProvider) {
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reply.status(403).send({
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error: {
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message: 'Invalid SSO Service Provider id',
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code: 'INVALID_SSO_SP_ID',
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id: 'e2893d7e-df6f-44cf-8717-42234b8ac0ce',
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kind: 'client',
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},
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});
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return;
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}
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if (!samlRequest) {
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reply.status(400).send({
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error: {
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message: 'No SAMLRequest',
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code: 'NO_SAML_REQUEST',
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id: 'c58bc7e3-f92e-4879-a6a9-7258a13bc491',
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kind: 'client',
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},
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});
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return;
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}
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const idp = saml.IdentityProvider({
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metadata: await this.createIdPMetadataXml(ssoServiceProvider),
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privateKey: await jose
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.importJWK(JSON.parse(ssoServiceProvider.privateKey ?? '{}'))
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.then((r) => jose.exportPKCS8(r as jose.KeyLike)),
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});
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const sp = saml.ServiceProvider({
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metadata: await this.createSPMetadataXml(ssoServiceProvider),
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});
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const parsed = await idp.parseLoginRequest(sp, binding, { query: request.query, body: request.body });
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this.#logger.info('Parsed SAML request', { saml: parsed });
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const transactionId = randomUUID();
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await this.redisClient.set(
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`sso:saml:transaction:${transactionId}`,
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JSON.stringify({
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serviceId: serviceId,
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binding: binding,
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flowResult: parsed,
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relayState: relayState,
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}),
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'EX',
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60 * 5,
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);
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this.#logger.info(`Rendering authorization page for "${ssoServiceProvider.name ?? ssoServiceProvider.issuer}"`);
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reply.header('Cache-Control', 'no-store');
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return await reply.view('sso', {
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transactionId: transactionId,
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serviceName: ssoServiceProvider.name ?? ssoServiceProvider.issuer,
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kind: 'saml',
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});
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});
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fastify.get<{ Params: { serviceId: string } }>(
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'/:serviceId/metadata',
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async (request, reply) => {
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const serviceId = request.params.serviceId;
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const ssoServiceProvider = await this.singleSignOnServiceProviderRepository.findOneBy({ id: serviceId, type: 'saml' });
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if (!ssoServiceProvider) {
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reply.status(403).send({
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error: {
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message: 'Invalid SSO Service Provider id',
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code: 'INVALID_SSO_SP_ID',
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id: '8a6d72e1-3530-4ec0-9d4d-b105fdbb8a2d',
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kind: 'client',
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},
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});
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return;
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}
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reply.header('Content-Type', 'application/xml');
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reply.send(await this.createIdPMetadataXml(ssoServiceProvider));
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},
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);
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fastify.post<{
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Body: { transaction_id: string; login_token: string; cancel?: string };
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}>('/authorize', async (request, reply) => {
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const transactionId = request.body.transaction_id;
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const token = request.body.login_token;
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const cancel = !!request.body.cancel;
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if (cancel) {
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reply.redirect('/');
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return;
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}
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const transaction = await this.redisClient.get(`sso:saml:transaction:${transactionId}`);
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if (!transaction) {
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reply.status(403).send({
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error: {
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message: 'Invalid transaction id',
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code: 'INVALID_TRANSACTION_ID',
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id: 'cca6ea16-5f04-4d9e-9ef5-8a99bdef3a92',
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kind: 'client',
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},
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});
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return;
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}
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const { serviceId, binding, flowResult, relayState } = JSON.parse(transaction);
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const ssoServiceProvider =
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await this.singleSignOnServiceProviderRepository.findOneBy({ id: serviceId, type: 'saml' });
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if (!ssoServiceProvider) {
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reply.status(403).send({
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error: {
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message: 'Invalid SSO Service Provider id',
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code: 'INVALID_SSO_SP_ID',
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id: 'f644adfe-019a-478c-b5a9-897a2556f2b2',
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kind: 'client',
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},
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});
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return;
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}
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if (!token) {
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reply.status(401).send({
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error: {
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message: 'No login token',
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code: 'NO_LOGIN_TOKEN',
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id: 'cd96295e-0370-433d-a3de-421de4536b7f',
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kind: 'client',
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},
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});
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return;
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}
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const user = await this.cacheService.localUserByNativeTokenCache.fetch(
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token,
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() => this.usersRepository.findOneBy({ token }) as Promise<MiLocalUser | null>,
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);
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if (!user) {
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reply.status(403).send({
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error: {
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message: 'Invalid login token',
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code: 'INVALID_LOGIN_TOKEN',
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id: 'a002a4ed-0024-460f-8015-cc5e7c6cd0a7',
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kind: 'client',
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},
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});
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return;
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}
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const profile = await this.userProfilesRepository.findOneByOrFail({ userId: user.id });
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const isAdministrator = await this.roleService.isAdministrator(user);
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const isModerator = await this.roleService.isModerator(user);
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const roles = await this.roleService.getUserRoles(user.id);
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try {
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const idp = saml.IdentityProvider({
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metadata: await this.createIdPMetadataXml(ssoServiceProvider),
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privateKey: await jose
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.importJWK(JSON.parse(ssoServiceProvider.privateKey ?? '{}'))
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.then((r) => jose.exportPKCS8(r as jose.KeyLike)),
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loginResponseTemplate: { context: 'ignored' },
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});
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const sp = saml.ServiceProvider({
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metadata: await this.createSPMetadataXml(ssoServiceProvider),
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});
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const samlResponse = await idp.createLoginResponse(
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sp,
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flowResult,
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binding,
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{},
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() => {
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const id = idp.entitySetting.generateID?.() ?? randomUUID();
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const assertionId = idp.entitySetting.generateID?.() ?? randomUUID();
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const nowTime = new Date();
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const fiveMinutesLaterTime = new Date(nowTime.getTime());
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fiveMinutesLaterTime.setMinutes(fiveMinutesLaterTime.getMinutes() + 5);
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const now = nowTime.toISOString();
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const fiveMinutesLater = fiveMinutesLaterTime.toISOString();
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const nodes = {
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'samlp:Response': {
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'@xmlns:samlp': 'urn:oasis:names:tc:SAML:2.0:protocol',
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'@xmlns:saml': 'urn:oasis:names:tc:SAML:2.0:assertion',
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'@ID': id,
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'@Version': '2.0',
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'@IssueInstant': now,
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'@Destination': ssoServiceProvider.acsUrl,
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'@InResponseTo': this.get(flowResult, 'extract.request.id', ''),
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'saml:Issuer': {
|
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'#text': ssoServiceProvider.issuer,
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},
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'samlp:Status': {
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'samlp:StatusCode': {
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'@Value': 'urn:oasis:names:tc:SAML:2.0:status:Success',
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},
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},
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'saml:Assertion': {
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'@xmlns:xsi': 'http://www.w3.org/2001/XMLSchema-instance',
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'@xmlns:xs': 'http://www.w3.org/2001/XMLSchema',
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'@ID': assertionId,
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'@Version': '2.0',
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'@IssueInstant': now,
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'saml:Issuer': {
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'#text': ssoServiceProvider.issuer,
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},
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'saml:Subject': {
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'saml:NameID': {
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'@Format':
|
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'urn:oasis:names:tc:SAML:2.0:nameid-format:persistent',
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'#text': user.id,
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},
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'saml:SubjectConfirmation': {
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'@Method': 'urn:oasis:names:tc:SAML:2.0:cm:bearer',
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'saml:SubjectConfirmationData': {
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'@InResponseTo': this.get(flowResult, 'extract.request.id', ''),
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'@NotOnOrAfter': fiveMinutesLater,
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'@Recipient': ssoServiceProvider.acsUrl,
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},
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},
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},
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'saml:Conditions': {
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'@NotBefore': now,
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'@NotOnOrAfter': fiveMinutesLater,
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'saml:AudienceRestriction': {
|
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'saml:Audience': [
|
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{ '#text': ssoServiceProvider.issuer },
|
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...ssoServiceProvider.audience.map((audience) => ({
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'#text': audience,
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})),
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],
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},
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},
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'saml:AuthnStatement': {
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'@AuthnInstant': now,
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'@SessionIndex': assertionId,
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'@SessionNotOnOrAfter': fiveMinutesLater,
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'saml:AuthnContext': {
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'saml:AuthnContextClassRef': {
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'#text':
|
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'urn:oasis:names:tc:SAML:2.0:ac:classes:PasswordProtectedTransport',
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},
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||||
},
|
||||
},
|
||||
'saml:AttributeStatement': {
|
||||
'saml:Attribute': [
|
||||
{
|
||||
'@Name': 'identityprovider',
|
||||
'@NameFormat':
|
||||
'urn:oasis:names:tc:SAML:2.0:attrname-format:basic',
|
||||
'saml:AttributeValue': {
|
||||
'@xsi:type': 'xs:string',
|
||||
'#text': this.config.url,
|
||||
},
|
||||
},
|
||||
{
|
||||
'@Name': 'uid',
|
||||
'@NameFormat':
|
||||
'urn:oasis:names:tc:SAML:2.0:attrname-format:basic',
|
||||
'saml:AttributeValue': {
|
||||
'@xsi:type': 'xs:string',
|
||||
'#text': user.id,
|
||||
},
|
||||
},
|
||||
{
|
||||
'@Name': 'displayname',
|
||||
'@NameFormat':
|
||||
'urn:oasis:names:tc:SAML:2.0:attrname-format:basic',
|
||||
'saml:AttributeValue': {
|
||||
'@xsi:type': 'xs:string',
|
||||
'#text': user.name,
|
||||
},
|
||||
},
|
||||
{
|
||||
'@Name': 'name',
|
||||
'@NameFormat':
|
||||
'urn:oasis:names:tc:SAML:2.0:attrname-format:basic',
|
||||
'saml:AttributeValue': {
|
||||
'@xsi:type': 'xs:string',
|
||||
'#text': user.username,
|
||||
},
|
||||
},
|
||||
{
|
||||
'@Name': 'preferred_username',
|
||||
'@NameFormat':
|
||||
'urn:oasis:names:tc:SAML:2.0:attrname-format:basic',
|
||||
'saml:AttributeValue': {
|
||||
'@xsi:type': 'xs:string',
|
||||
'#text': user.username,
|
||||
},
|
||||
},
|
||||
{
|
||||
'@Name': 'profile',
|
||||
'@NameFormat':
|
||||
'urn:oasis:names:tc:SAML:2.0:attrname-format:basic',
|
||||
'saml:AttributeValue': {
|
||||
'@xsi:type': 'xs:string',
|
||||
'#text': `${this.config.url}/@${user.username}`,
|
||||
},
|
||||
},
|
||||
{
|
||||
'@Name': 'picture',
|
||||
'@NameFormat':
|
||||
'urn:oasis:names:tc:SAML:2.0:attrname-format:basic',
|
||||
'saml:AttributeValue': {
|
||||
'@xsi:type': 'xs:string',
|
||||
'#text': user.avatarUrl,
|
||||
},
|
||||
},
|
||||
{
|
||||
'@Name': 'mail',
|
||||
'@NameFormat':
|
||||
'urn:oasis:names:tc:SAML:2.0:attrname-format:basic',
|
||||
'saml:AttributeValue': {
|
||||
'@xsi:type': 'xs:string',
|
||||
'#text': profile.email,
|
||||
},
|
||||
},
|
||||
{
|
||||
'@Name': 'email',
|
||||
'@NameFormat':
|
||||
'urn:oasis:names:tc:SAML:2.0:attrname-format:basic',
|
||||
'saml:AttributeValue': {
|
||||
'@xsi:type': 'xs:string',
|
||||
'#text': profile.email,
|
||||
},
|
||||
},
|
||||
{
|
||||
'@Name': 'email_verified',
|
||||
'@NameFormat':
|
||||
'urn:oasis:names:tc:SAML:2.0:attrname-format:basic',
|
||||
'saml:AttributeValue': {
|
||||
'@xsi:type': 'xs:boolean',
|
||||
'#text': profile.emailVerified,
|
||||
},
|
||||
},
|
||||
{
|
||||
'@Name': 'mfa_enabled',
|
||||
'@NameFormat':
|
||||
'urn:oasis:names:tc:SAML:2.0:attrname-format:basic',
|
||||
'saml:AttributeValue': {
|
||||
'@xsi:type': 'xs:boolean',
|
||||
'#text': profile.twoFactorEnabled,
|
||||
},
|
||||
},
|
||||
{
|
||||
'@Name': 'updated_at',
|
||||
'@NameFormat':
|
||||
'urn:oasis:names:tc:SAML:2.0:attrname-format:basic',
|
||||
'saml:AttributeValue': {
|
||||
'@xsi:type': 'xs:integer',
|
||||
'#text': (user.updatedAt?.getTime() ?? user.createdAt.getTime()) / 1000,
|
||||
},
|
||||
},
|
||||
{
|
||||
'@Name': 'admin',
|
||||
'@NameFormat':
|
||||
'urn:oasis:names:tc:SAML:2.0:attrname-format:basic',
|
||||
'saml:AttributeValue': {
|
||||
'@xsi:type': 'xs:boolean',
|
||||
'#text': isAdministrator,
|
||||
},
|
||||
},
|
||||
{
|
||||
'@Name': 'moderator',
|
||||
'@NameFormat':
|
||||
'urn:oasis:names:tc:SAML:2.0:attrname-format:basic',
|
||||
'saml:AttributeValue': {
|
||||
'@xsi:type': 'xs:boolean',
|
||||
'#text': isModerator,
|
||||
},
|
||||
},
|
||||
{
|
||||
'@Name': 'roles',
|
||||
'@NameFormat':
|
||||
'urn:oasis:names:tc:SAML:2.0:attrname-format:basic',
|
||||
'saml:AttributeValue': [
|
||||
...roles
|
||||
.filter((r) => r.isPublic)
|
||||
.map((r) => ({
|
||||
'@xsi:type': 'xs:string',
|
||||
'#text': r.id,
|
||||
})),
|
||||
],
|
||||
},
|
||||
],
|
||||
},
|
||||
},
|
||||
},
|
||||
};
|
||||
|
||||
return {
|
||||
id,
|
||||
context: xmlbuilder
|
||||
.create(nodes, { encoding: 'UTF-8', standalone: false })
|
||||
.end({ pretty: false }),
|
||||
};
|
||||
},
|
||||
undefined,
|
||||
relayState,
|
||||
);
|
||||
|
||||
this.#logger.info(`Rendering SAML response page for "${ssoServiceProvider.name ?? ssoServiceProvider.issuer}"`, {
|
||||
userId: user.id,
|
||||
ssoServiceProvider: ssoServiceProvider.id,
|
||||
acsUrl: ssoServiceProvider.acsUrl,
|
||||
relayState: relayState,
|
||||
});
|
||||
|
||||
reply.header('Cache-Control', 'no-store');
|
||||
return await reply.view('sso-saml-post', {
|
||||
acsUrl: ssoServiceProvider.acsUrl,
|
||||
samlResponse: samlResponse,
|
||||
relyState: relayState ?? null,
|
||||
});
|
||||
} catch (err) {
|
||||
this.#logger.error('Failed to create SAML response', { error: err });
|
||||
const traceableError = err as Error & { code?: string };
|
||||
|
||||
if (traceableError.code) {
|
||||
reply.status(500).send({
|
||||
error: {
|
||||
message: traceableError.message,
|
||||
code: traceableError.code,
|
||||
id: 'a743ff78-8636-4b69-a54f-e3b395564f79',
|
||||
kind: 'server',
|
||||
},
|
||||
});
|
||||
return;
|
||||
}
|
||||
|
||||
reply.status(500).send({
|
||||
error: {
|
||||
message: 'Internal server error',
|
||||
code: 'INTERNAL_SERVER_ERROR',
|
||||
id: 'b83b7afd-adfc-4baf-8659-34623d639170',
|
||||
kind: 'server',
|
||||
},
|
||||
});
|
||||
return;
|
||||
} finally {
|
||||
await this.redisClient.del(`sso:saml:transaction:${transactionId}`);
|
||||
}
|
||||
});
|
||||
}
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue