const config = require('../config'); const { redis, fetch } = require('../app'); const homeRoute = require('express').Router(); const processJsonSubreddit = require('../inc/processJsonSubreddit.js'); const tedditApiSubreddit = require('../inc/teddit_api/handleSubreddit.js')(); const processMoreComments = require('../inc/processMoreComments.js')(); homeRoute.get('/:sort?', async (req, res, next) => { let past = req.query.t; let before = req.query.before; let after = req.query.after; let sortby = req.params.sort || ''; let api_req = req.query.api; let api_type = req.query.type; let api_target = req.query.target; let proxyable = sortby.includes('.jpg') || sortby.includes('.png') || sortby.includes('.jpeg') ? true : false; if (proxyable) { let params = new URLSearchParams(req.query).toString(); let image_url = `https://preview.redd.it/${sortby}?${params}`; let proxied_image = await downloadAndSave(image_url); if (proxied_image) { return res.redirect(proxied_image); } else { return res.redirect('/'); } } let d = `&after=${after}`; if (before) { d = `&before=${before}`; } if (sortby == '') { sortby = 'hot'; } if ( [ 'apple-touch-icon.png', 'apple-touch-icon-precomposed.png', 'apple-touch-icon-120x120.png', 'apple-touch-icon-120x120-precomposed.png', ].includes(sortby) ) { return res.sendStatus(404); // return 404 on shitty apple favicon stuff } if ( !['new', 'rising', 'controversial', 'top', 'gilded', 'hot'].includes(sortby) ) { console.log(`Got invalid sort.`, req.originalUrl); return res.redirect('/'); } if (past) { if (sortby === 'controversial' || sortby === 'top') { if (!['hour', 'day', 'week', 'month', 'year', 'all'].includes(past)) { console.error(`Got invalid past.`, req.originalUrl); return res.redirect(`/`); } } else { past = undefined; } } else { if (sortby === 'controversial' || sortby === 'top') { past = 'day'; } } if (req.query.hasOwnProperty('api')) api_req = true; else api_req = false; let raw_json = api_req && req.query.raw_json == '1' ? 1 : 0; let key = `/after:${after}:before:${before}:sort:${sortby}:past:${past}:raw_json:${raw_json}`; let subbed_subreddits = req.cookies.subbed_subreddits; let get_subbed_subreddits = false; if (subbed_subreddits && Array.isArray(subbed_subreddits)) { get_subbed_subreddits = true; subbed_subreddits = subbed_subreddits.join('+'); key = `${subbed_subreddits.toLowerCase()}:${after}:${before}:sort:${sortby}:past:${past}:raw_json:${raw_json}`; } redis.get(key, (error, json) => { if (error) { console.error('Error getting the frontpage key from redis.', error); return res.render('index', { json: null, user_preferences: req.cookies, }); } if (json) { console.log('Got frontpage key from redis.'); (async () => { if (api_req) { return handleTedditApiSubreddit( json, req, res, 'redis', api_type, api_target, '/' ); } else { let processed_json = await processJsonSubreddit( json, 'redis', null, req.cookies ); return res.render('index', { json: processed_json, sortby: sortby, past: past, user_preferences: req.cookies, redis_key: key, }); } })(); } else { let url = ''; if (config.use_reddit_oauth) { if (get_subbed_subreddits) url = `https://oauth.reddit.com/r/${subbed_subreddits}/${sortby}?api_type=json&count=25&g=GLOBAL&t=${past}${d}&raw_json=${raw_json}`; else url = `https://oauth.reddit.com/${sortby}?api_type=json&g=GLOBAL&t=${past}${d}&raw_json=${raw_json}`; } else { if (get_subbed_subreddits) url = `https://reddit.com/r/${subbed_subreddits}/${sortby}.json?api_type=json&count=25&g=GLOBAL&t=${past}${d}&raw_json=${raw_json}`; else url = `https://reddit.com/${sortby}.json?g=GLOBAL&t=${past}${d}&raw_json=${raw_json}`; } fetch(encodeURI(url), redditApiGETHeaders()) .then((result) => { if (result.status === 200) { result.json().then((json) => { redis.setex( key, config.setexs.frontpage, JSON.stringify(json), (error) => { if (error) { console.error( 'Error setting the frontpage key to redis.', error ); return res.render('index', { json: null, user_preferences: req.cookies, }); } else { console.log('Fetched the frontpage from Reddit.'); (async () => { if (api_req) { return handleTedditApiSubreddit( json, req, res, 'from_online', api_type, api_target, '/' ); } else { let processed_json = await processJsonSubreddit( json, 'from_online', null, req.cookies ); return res.render('index', { json: processed_json, sortby: sortby, past: past, user_preferences: req.cookies, redis_key: key, }); } })(); } } ); }); } else { console.error( `Something went wrong while fetching data from Reddit. ${result.status} – ${result.statusText}` ); console.error(config.reddit_api_error_text); return res.render('index', { json: null, http_status_code: result.status, user_preferences: req.cookies, }); } }) .catch((error) => { console.error('Error fetching the frontpage JSON file.', error); }); } }); }); module.exports = homeRoute;