/
oauth2orize.setup.ts
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/
oauth2orize.setup.ts
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import {
Injectable,
OnModuleInit,
OnApplicationBootstrap,
} from '@nestjs/common';
import * as oauth2orize from 'oauth2orize';
import * as oauth2orize_ext from 'oauth2orize-openid';
import { ClientService } from '../../models/client/client.service';
import { BearerTokenService } from '../../models/bearer-token/bearer-token.service';
import { invalidClientException } from '../filters/exceptions';
import { CodeGrantService } from '../oauth2-services/code-grant/code-grant.service';
import { TokenGrantService } from '../oauth2-services/token-grant/token-grant.service';
import { CodeExchangeService } from '../oauth2-services/code-exchange/code-exchange.service';
import { PasswordExchangeService } from '../oauth2-services/password-exchange/password-exchange.service';
import { ClientCredentialExchangeService } from '../oauth2-services/client-credential-exchange/client-credential-exchange.service';
import { RefreshTokenExchangeService } from '../oauth2-services/refresh-token-exchange/refresh-token-exchange.service';
import { IDTokenGrantService } from '../oauth2-services/id-token-grant/id-token-grant.service';
@Injectable()
export class OAuth2orizeSetup implements OnModuleInit, OnApplicationBootstrap {
public server;
constructor(
private readonly clientService: ClientService,
private readonly bearerTokenService: BearerTokenService,
private readonly codeGrantService: CodeGrantService,
private readonly tokenGrantService: TokenGrantService,
private readonly codeExchangeService: CodeExchangeService,
private readonly passwordExchangeService: PasswordExchangeService,
private readonly clientCredentialExchangeService: ClientCredentialExchangeService,
private readonly refreshTokenExchangeService: RefreshTokenExchangeService,
private readonly idTokenGrantService: IDTokenGrantService,
) {
// Initialize server
this.server = oauth2orize.createServer();
}
onApplicationBootstrap() {} // App boot fails if not implemented
onModuleInit() {
// Serialize Client
this.server.serializeClient((client, done) => done(null, client.clientId));
// Deserialize Client
this.server.deserializeClient(async (id, done) => {
try {
const client = await this.clientService.findOne({ clientId: id });
done(null, client);
} catch (error) {
done(error, null);
}
});
this.setupServer();
}
setupServer() {
// Setup Authorization Code Grant
this.setupCodeGrant();
// Setup Token Exchange (Implicit Grant)
this.setupTokenGrant();
// Setup Code Exchange
this.setupCodeExchange();
// Setup Password Exchange
this.setupPasswordExchange();
// Setup Client Credential Exchange
this.setupClientCredentialExchange();
// Setup Refresh Token Exchange
this.setupRefreshTokenExchange();
// Setup OIDC Grants
this.setupIDTokenGrant();
this.setupIDTokenTokenGrant();
this.setupCodeIDTokenGrant();
this.setupCodeTokenGrant();
this.setupCodeIdTokenTokenGrant();
}
setupCodeGrant() {
this.server.grant(
oauth2orize.grant.code(
{ scopeSeparator: [' ', ','] }, // violates the specification, promote flexibility
async (client, redirectUri, user, ares, areq, done) => {
await this.codeGrantService.grantCode(
client,
redirectUri,
user,
ares,
areq,
done,
);
},
),
);
}
setupTokenGrant() {
this.server.grant(
oauth2orize.grant.token(
{ scopeSeparator: [' ', ','] }, // violates the specification, promote flexibility
async (client, user, ares, areq, done) => {
await this.tokenGrantService.grantToken(
client,
user,
ares,
areq,
done,
);
},
),
);
}
setupCodeExchange() {
this.server.exchange(
oauth2orize.exchange.code(
async (client, code, redirectUri, body, issued) => {
await this.codeExchangeService.exchangeCode(
client,
code,
redirectUri,
body,
issued,
);
},
),
);
}
setupPasswordExchange() {
this.server.exchange(
oauth2orize.exchange.password(
{ scopeSeparator: [' ', ','] }, // violates the specification, promote flexibility
async (client, username, password, scope, done) => {
await this.passwordExchangeService.exchangePassword(
client,
username,
password,
scope,
done,
);
},
),
);
}
setupClientCredentialExchange() {
this.server.exchange(
oauth2orize.exchange.clientCredentials(
{ scopeSeparator: [' ', ','] }, // violates the specification, promote flexibility
async (client, scope, done) => {
await this.clientCredentialExchangeService.exchangeClientCredentials(
client,
scope,
done,
);
},
),
);
}
setupRefreshTokenExchange() {
this.server.exchange(
oauth2orize.exchange.refreshToken(
{ scopeSeparator: [' ', ','] }, // violates the specification, promote flexibility
async (client, refreshToken, done) => {
await this.refreshTokenExchangeService.exchangeRefreshToken(
client,
refreshToken,
done,
);
},
),
);
}
getCodeGrantMiddleware() {
return this.server.authorization(
async (clientId, redirectUri, done) => {
try {
const localClient = await this.clientService.findOne({ clientId });
if (
(localClient && !localClient.redirectUris.includes(redirectUri)) ||
!localClient
) {
return done(invalidClientException, false, false);
}
return done(null, localClient, redirectUri);
} catch (error) {
return done(error);
}
},
async (client, user, done) => {
// Check if grant request qualifies for immediate approval
if (!user) return done(null, false);
// Auto-approve
if (client.isTrusted) return done(null, true);
try {
// findByUserIdAndClientId
const tokens = await this.bearerTokenService.find({
where: {
user: { uuid: user.uuid },
client: { clientId: client.clientId },
},
});
// Auto-approve
if (tokens.length) return done(null, true);
// Otherwise ask user
return done(null, false);
} catch (error) {
done(error);
}
},
);
}
setupIDTokenGrant() {
this.server.grant(
oauth2orize_ext.grant.idToken(async (client, user, req, done) => {
await this.idTokenGrantService.grantIDToken(client, user, req, done);
}),
);
}
setupIDTokenTokenGrant() {
this.server.grant(
oauth2orize_ext.grant.idTokenToken(
async (client, user, res, req, done) => {
await this.tokenGrantService.grantToken(client, user, res, req, done);
},
async (client, user, req, done) => {
await this.idTokenGrantService.grantIDToken(
client,
user,
req,
done,
this.tokenGrantService.getAccessToken(),
);
},
),
);
}
setupCodeIDTokenGrant() {
this.server.grant(
oauth2orize_ext.grant.codeIDToken(
async (client, redirectUri, user, res, req, done) => {
await this.codeGrantService.grantCode(
client,
redirectUri,
user,
res,
req,
done,
);
},
async (client, user, req, done) => {
await this.idTokenGrantService.grantIDToken(client, user, req, done);
},
),
);
}
setupCodeTokenGrant() {
this.server.grant(
oauth2orize_ext.grant.codeToken(
async (client, user, res, req, done) => {
await this.tokenGrantService.grantToken(client, user, res, req, done);
},
async (client, redirectUri, user, res, req, done) => {
await this.codeGrantService.grantCode(
client,
redirectUri,
user,
res,
req,
done,
);
},
),
);
}
setupCodeIdTokenTokenGrant() {
this.server.grant(
oauth2orize_ext.grant.codeIDTokenToken(
async (client, user, res, req, done) => {
await this.tokenGrantService.grantToken(client, user, res, req, done);
},
async (client, redirectUri, user, res, req, done) => {
await this.codeGrantService.grantCode(
client,
redirectUri,
user,
res,
req,
done,
);
},
async (client, user, req, done) => {
await this.idTokenGrantService.grantIDToken(client, user, req, done);
},
),
);
}
}