module.exports = function(fetch) { this.initRedditApi = function() { let options = { body: `grant_type=https://oauth.reddit.com/grants/installed_client&device_id=DO_NOT_TRACK_THIS_DEVICE&duration=permanent`, headers: { 'Content-Type': 'application/x-www-form-urlencoded', 'Authorization': `Basic ${client_id_b64}`, }, method: 'POST' } fetch('https://www.reddit.com/api/v1/access_token', options) .then(result => { if(result.status === 200) { result.json() .then(data => { //console.log(data) if(data.access_token) { reddit_access_token = data.access_token reddit_refresh_token = data.refresh_token console.log(`Successfully obtained a reddit API key.`) } else { console.log(`Error while obtaining a reddit API key. Check that your reddit app ID is correct. Reddit could also be down.`, data) } }) } else { console.error(`Something went wrong while trying to get an access token from reddit API. ${result.status} – ${result.statusText}`) console.error(reddit_api_error_text) return res.render('index', { json: null, http_status_code: result.status }) } }).catch(error => { console.log(`Error while obtaining a reddit API key.`, error) }) setInterval(() => { refreshRedditToken() }, 1000 * 60 * 58) /* Refresh access token every ~1 hour. */ } this.refreshRedditToken = function() { let options = { body: `grant_type=refresh_token&refresh_token=${reddit_refresh_token}`, headers: { 'Content-Type': 'application/x-www-form-urlencoded', 'Authorization': `Basic ${client_id_b64}`, }, method: 'POST' } fetch('https://www.reddit.com/api/v1/access_token', options) .then(result => { if(result.status === 200) { result.json() .then(data => { //console.log(data) if(data.access_token) { reddit_access_token = data.access_token console.log(`Successfully refreshed the reddit API key.`) } else { console.log(`Error while refreshing the reddit API key.`, data) } }) } else { console.error(`Something went wrong while fetching data from reddit API. ${result.status} – ${result.statusText}`) console.error(reddit_api_error_text) return res.render('index', { json: null, http_status_code: result.status }) } }).catch(error => { console.log(`Error while refreshing the reddit API key.`, error) }) } this.redditApiGETHeaders = function() { return { headers: { Authorization: `Bearer ${reddit_access_token}` }, method: 'GET' } } initRedditApi() }