n8n/dist/controllers/oauth/abstractOAuth.controller.js

n8n Workflow Automation Tool

"use strict";
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exports.AbstractOAuthController = void 0;
const typedi_1 = require("typedi");
const csrf_1 = __importDefault(require("csrf"));
const n8n_core_1 = require("n8n-core");
const n8n_workflow_1 = require("n8n-workflow");
const credentials_repository_1 = require("../../databases/repositories/credentials.repository");
const sharedCredentials_repository_1 = require("../../databases/repositories/sharedCredentials.repository");
const constants_1 = require("../../constants");
const CredentialsHelper_1 = require("../../CredentialsHelper");
const WorkflowExecuteAdditionalData = __importStar(require("../../WorkflowExecuteAdditionalData"));
const Logger_1 = require("../../Logger");
const ExternalHooks_1 = require("../../ExternalHooks");
const url_service_1 = require("../../services/url.service");
const bad_request_error_1 = require("../../errors/response-errors/bad-request.error");
const not_found_error_1 = require("../../errors/response-errors/not-found.error");
const config_1 = require("@n8n/config");
let AbstractOAuthController = class AbstractOAuthController {
    constructor(logger, externalHooks, credentialsHelper, credentialsRepository, sharedCredentialsRepository, urlService, globalConfig) {
        this.logger = logger;
        this.externalHooks = externalHooks;
        this.credentialsHelper = credentialsHelper;
        this.credentialsRepository = credentialsRepository;
        this.sharedCredentialsRepository = sharedCredentialsRepository;
        this.urlService = urlService;
        this.globalConfig = globalConfig;
    }
    get baseUrl() {
        const restUrl = `${this.urlService.getInstanceBaseUrl()}/${this.globalConfig.endpoints.rest}`;
        return `${restUrl}/oauth${this.oauthVersion}-credential`;
    }
    async getCredential(req) {
        const { id: credentialId } = req.query;
        if (!credentialId) {
            throw new bad_request_error_1.BadRequestError('Required credential ID is missing');
        }
        const credential = await this.sharedCredentialsRepository.findCredentialForUser(credentialId, req.user, ['credential:read']);
        if (!credential) {
            this.logger.error(`OAuth${this.oauthVersion} credential authorization failed because the current user does not have the correct permissions`, { userId: req.user.id });
            throw new not_found_error_1.NotFoundError(constants_1.RESPONSE_ERROR_MESSAGES.NO_CREDENTIAL);
        }
        return credential;
    }
    async getAdditionalData() {
        return await WorkflowExecuteAdditionalData.getBase();
    }
    async getDecryptedData(credential, additionalData) {
        return await this.credentialsHelper.getDecrypted(additionalData, credential, credential.type, 'internal', undefined, true);
    }
    applyDefaultsAndOverwrites(credential, decryptedData, additionalData) {
        return this.credentialsHelper.applyDefaultsAndOverwrites(additionalData, decryptedData, credential.type, 'internal');
    }
    async encryptAndSaveData(credential, decryptedData) {
        const credentials = new n8n_core_1.Credentials(credential, credential.type);
        credentials.setData(decryptedData);
        await this.credentialsRepository.update(credential.id, {
            ...credentials.getDataToSave(),
            updatedAt: new Date(),
        });
    }
    async getCredentialWithoutUser(credentialId) {
        return await this.credentialsRepository.findOneBy({ id: credentialId });
    }
    createCsrfState(credentialsId) {
        const token = new csrf_1.default();
        const csrfSecret = token.secretSync();
        const state = {
            token: token.create(csrfSecret),
            cid: credentialsId,
        };
        return [csrfSecret, Buffer.from(JSON.stringify(state)).toString('base64')];
    }
    decodeCsrfState(encodedState) {
        const errorMessage = 'Invalid state format';
        const decoded = (0, n8n_workflow_1.jsonParse)(Buffer.from(encodedState, 'base64').toString(), {
            errorMessage,
        });
        if (typeof decoded.cid !== 'string' || typeof decoded.token !== 'string') {
            throw new n8n_workflow_1.ApplicationError(errorMessage);
        }
        return decoded;
    }
    verifyCsrfState(decrypted, state) {
        const token = new csrf_1.default();
        return (decrypted.csrfSecret === undefined ||
            !token.verify(decrypted.csrfSecret, state.token));
    }
    renderCallbackError(res, message, reason) {
        res.render('oauth-error-callback', { error: { message, reason } });
    }
};
exports.AbstractOAuthController = AbstractOAuthController;
exports.AbstractOAuthController = AbstractOAuthController = __decorate([
    (0, typedi_1.Service)(),
    __metadata("design:paramtypes", [Logger_1.Logger,
        ExternalHooks_1.ExternalHooks,
        CredentialsHelper_1.CredentialsHelper,
        credentials_repository_1.CredentialsRepository,
        sharedCredentials_repository_1.SharedCredentialsRepository,
        url_service_1.UrlService,
        config_1.GlobalConfig])
], AbstractOAuthController);
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