import { OptionsWithUri } from 'request'; import { IExecuteFunctions, IHookFunctions, } from 'n8n-core'; import { IDataObject, } from 'n8n-workflow'; /** * Make an API request to Github * * @param {IHookFunctions} this * @param {string} method * @param {string} url * @param {object} body * @returns {Promise} */ export async function githubApiRequest(this: IHookFunctions | IExecuteFunctions, method: string, endpoint: string, body: object, query?: object): Promise { // tslint:disable-line:no-any const authenticationMethod = this.getNodeParameter('authentication', 0, 'accessToken') as string; const options: OptionsWithUri = { method, headers: { 'User-Agent': 'n8n', }, body, qs: query, uri: `https://api.github.com${endpoint}`, json: true }; try { if (authenticationMethod === 'accessToken') { const credentials = this.getCredentials('githubApi'); if (credentials === undefined) { throw new Error('No credentials got returned!'); } options.headers!.Authorization = `token ${credentials.accessToken}`; return await this.helpers.request(options); } else { return await this.helpers.requestOAuth.call(this, 'githubOAuth2Api', options); } } catch (error) { if (error.statusCode === 401) { // Return a clear error throw new Error('The Github credentials are not valid!'); } if (error.response && error.response.body && error.response.body.message) { // Try to return the error prettier throw new Error(`Github error response [${error.statusCode}]: ${error.response.body.message}`); } // If that data does not exist for some reason return the actual error throw error; } } /** * Returns the SHA of the given file * * @export * @param {(IHookFunctions | IExecuteFunctions)} this * @param {string} owner * @param {string} repository * @param {string} filePath * @param {string} [branch] * @returns {Promise} */ export async function getFileSha(this: IHookFunctions | IExecuteFunctions, owner: string, repository: string, filePath: string, branch?: string): Promise { // tslint:disable-line:no-any const getBody: IDataObject = {}; if (branch !== undefined) { getBody.branch = branch; } const getEndpoint = `/repos/${owner}/${repository}/contents/${encodeURI(filePath)}`; const responseData = await githubApiRequest.call(this, 'GET', getEndpoint, getBody, {}); if (responseData.sha === undefined) { throw new Error('Could not get the SHA of the file.'); } return responseData.sha; }