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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 | 6x 6x 6x 6x 6x 56x 56x 8x 8x 8x 8x 11x 11x 11x 11x 56x | 'use strict'; const { URL } = require('url'); const qs = require('querystring'); const coreModule = require('./../core'); const encoding = require('./../encoding'); /** * Authorization Code flow implementation */ module.exports = (config) => { const core = coreModule(config); const authorizeUrl = new URL(config.auth.authorizePath, config.auth.authorizeHost); /** * Redirect the user to the autorization page * @param {String} params.redirectURI A string that represents the registered application URI * where the user is redirected after authentication * @param {String|Array<String>} params.scope A String or array of strings * that represents the application privileges * @param {String} params.state A String that represents an option opaque value used by the client * to main the state between the request and the callback * @return {String} the absolute authorization url */ function authorizeURL(params = {}) { const baseParams = { response_type: 'code', [config.client.idParamName]: config.client.id, }; const scopeParams = encoding.getScopeParam(params.scope); const options = Object.assign(baseParams, params, scopeParams); return `${authorizeUrl}?${qs.stringify(options)}`; } /** * Returns the Access Token Object * @param {String} params.code Authorization code (from previous step) * @param {String} params.redirecURI A string that represents the callback uri * @param {String|Array<String>} params.scope A String or array of strings * that represents the application privileges * @return {Promise} */ async function getToken(params) { const baseParams = { grant_type: 'authorization_code', }; const scopeParams = encoding.getScopeParam(params.scope); const options = Object.assign(baseParams, params, scopeParams); return core.request(config.auth.tokenPath, options); } return { authorizeURL, getToken, }; }; |