mirror of
https://github.com/naturalcrit/homebrewery.git
synced 2026-01-07 03:22:38 +00:00
[NFC] Outline an express app into a separate module
This is done in order to be able to re-use that app in API unit tests later
This commit is contained in:
Alexey Sachkov
301
server.js
301
server.js
@@ -1,75 +1,5 @@
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/*eslint max-lines: ["warn", {"max": 300, "skipBlankLines": true, "skipComments": true}]*/
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const DB = require('./server/db.js');
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const _ = require('lodash');
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const server = require('./server/app.js');
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const jwt = require('jwt-simple');
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const express = require('express');
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const yaml = require('js-yaml');
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const app = express();
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const homebrewApi = require('./server/homebrew.api.js');
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const GoogleActions = require('./server/googleActions.js');
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const serveCompressedStaticAssets = require('./server/static-assets.mv.js');
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const sanitizeFilename = require('sanitize-filename');
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const asyncHandler = require('express-async-handler');
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const brewAccessTypes = ['edit', 'share', 'raw'];
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//Get the brew object from the HB database or Google Drive
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const getBrewFromId = asyncHandler(async (id, accessType)=>{
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if(!brewAccessTypes.includes(accessType))
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throw ('Invalid Access Type when getting brew');
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let brew;
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if(id.length > 12) {
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const googleId = id.slice(0, -12);
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id = id.slice(-12);
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brew = await GoogleActions.readFileMetadata(config.get('google_api_key'), googleId, id, accessType);
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} else {
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brew = await HomebrewModel.get(accessType == 'edit' ? { editId: id } : { shareId: id });
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brew = brew.toObject(); // Convert MongoDB object to standard Javascript Object
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}
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brew = sanitizeBrew(brew, accessType === 'edit' ? false : true);
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//Split brew.text into text and style
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//unless the Access Type is RAW, in which case return immediately
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if(accessType == 'raw') {
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return brew;
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}
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splitTextStyleAndMetadata(brew);
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return brew;
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});
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const sanitizeBrew = (brew, full=false)=>{
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delete brew._id;
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delete brew.__v;
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if(full){
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delete brew.editId;
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}
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return brew;
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};
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const splitTextStyleAndMetadata = (brew)=>{
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brew.text = brew.text.replaceAll('\r\n', '\n');
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if(brew.text.startsWith('```metadata')) {
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const index = brew.text.indexOf('```\n\n');
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const metadataSection = brew.text.slice(12, index - 1);
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const metadata = yaml.load(metadataSection);
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Object.assign(brew, _.pick(metadata, ['title', 'description', 'tags', 'systems', 'renderer']));
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brew.text = brew.text.slice(index + 5);
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}
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if(brew.text.startsWith('```css')) {
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const index = brew.text.indexOf('```\n\n');
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brew.style = brew.text.slice(7, index - 1);
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brew.text = brew.text.slice(index + 5);
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}
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};
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app.use('/', serveCompressedStaticAssets(`${__dirname}/build`));
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process.chdir(__dirname);
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//app.use(express.static(`${__dirname}/build`));
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app.use(require('body-parser').json({ limit: '25mb' }));
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app.use(require('cookie-parser')());
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app.use(require('./server/forcessl.mw.js'));
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const config = require('nconf')
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const config = require('nconf')
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.argv()
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.argv()
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@@ -77,226 +7,11 @@ const config = require('nconf')
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.file('environment', { file: `config/${process.env.NODE_ENV}.json` })
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.file('environment', { file: `config/${process.env.NODE_ENV}.json` })
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.file('defaults', { file: 'config/default.json' });
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.file('defaults', { file: 'config/default.json' });
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// DB
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DB.connect(config).then(()=>{
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const DB = require('./server/db.js');
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// Ensure that we have successfully connected to the database
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DB.connect(config);
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// before launching server
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const PORT = process.env.PORT || config.get('web_port') || 8000;
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//Account Middleware
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server.app.listen(PORT, ()=>{
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app.use((req, res, next)=>{
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console.log(`server on port: ${PORT}`);
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if(req.cookies && req.cookies.nc_session){
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try {
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req.account = jwt.decode(req.cookies.nc_session, config.get('secret'));
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//console.log("Just loaded up JWT from cookie:");
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//console.log(req.account);
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} catch (e){}
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}
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req.config = {
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google_client_id : config.get('google_client_id'),
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google_client_secret : config.get('google_client_secret')
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};
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return next();
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});
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app.use(homebrewApi);
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app.use(require('./server/admin.api.js'));
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const HomebrewModel = require('./server/homebrew.model.js').model;
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const welcomeText = require('fs').readFileSync('./client/homebrew/pages/homePage/welcome_msg.md', 'utf8');
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const welcomeTextV3 = require('fs').readFileSync('./client/homebrew/pages/homePage/welcome_msg_v3.md', 'utf8');
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const changelogText = require('fs').readFileSync('./changelog.md', 'utf8');
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const faqText = require('fs').readFileSync('./faq.md', 'utf8');
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String.prototype.replaceAll = function(s, r){return this.split(s).join(r);};
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//Robots.txt
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app.get('/robots.txt', (req, res)=>{
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return res.sendFile(`${__dirname}/robots.txt`);
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});
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//Home page
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app.get('/', async (req, res, next)=>{
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const brew = {
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text : welcomeText
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};
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req.brew = brew;
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return next();
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});
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//Home page v3
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app.get('/v3_preview', async (req, res, next)=>{
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const brew = {
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text : welcomeTextV3,
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renderer : 'V3'
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};
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splitTextStyleAndMetadata(brew);
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req.brew = brew;
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return next();
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});
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//Changelog page
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app.get('/changelog', async (req, res, next)=>{
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const brew = {
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title : 'Changelog',
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text : changelogText,
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renderer : 'V3'
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};
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splitTextStyleAndMetadata(brew);
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req.brew = brew;
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return next();
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});
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//FAQ page
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app.get('/faq', async (req, res, next)=>{
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const brew = {
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title : 'FAQ',
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text : faqText,
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renderer : 'V3'
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};
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splitTextStyleAndMetadata(brew);
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req.brew = brew;
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return next();
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});
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//Source page
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app.get('/source/:id', asyncHandler(async (req, res)=>{
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const brew = await getBrewFromId(req.params.id, 'raw');
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const replaceStrings = { '&': '&', '<': '<', '>': '>' };
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let text = brew.text;
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for (const replaceStr in replaceStrings) {
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text = text.replaceAll(replaceStr, replaceStrings[replaceStr]);
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}
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text = `<code><pre style="white-space: pre-wrap;">${text}</pre></code>`;
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res.status(200).send(text);
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}));
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//Download brew source page
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app.get('/download/:id', asyncHandler(async (req, res)=>{
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const brew = await getBrewFromId(req.params.id, 'raw');
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const prefix = 'HB - ';
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let fileName = sanitizeFilename(`${prefix}${brew.title}`).replaceAll(' ', '');
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if(!fileName || !fileName.length) { fileName = `${prefix}-Untitled-Brew`; };
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res.set({
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'Cache-Control' : 'no-cache',
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'Content-Type' : 'text/plain',
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'Content-Disposition' : `attachment; filename="${fileName}.txt"`
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});
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});
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res.status(200).send(brew.text);
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}));
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//User Page
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app.get('/user/:username', async (req, res, next)=>{
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const ownAccount = req.account && (req.account.username == req.params.username);
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let brews = await HomebrewModel.getByUser(req.params.username, ownAccount)
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.catch((err)=>{
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console.log(err);
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});
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if(ownAccount && req?.account?.googleId){
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const googleBrews = await GoogleActions.listGoogleBrews(req, res)
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.catch((err)=>{
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console.error(err);
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});
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if(googleBrews)
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brews = _.concat(brews, googleBrews);
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}
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req.brews = _.map(brews, (brew)=>{
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return sanitizeBrew(brew, !ownAccount);
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});
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return next();
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});
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//Edit Page
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app.get('/edit/:id', asyncHandler(async (req, res, next)=>{
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res.header('Cache-Control', 'no-cache, no-store'); //reload the latest saved brew when pressing back button, not the cached version before save.
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const brew = await getBrewFromId(req.params.id, 'edit');
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req.brew = brew;
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return next();
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}));
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//New Page
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app.get('/new/:id', asyncHandler(async (req, res, next)=>{
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const brew = await getBrewFromId(req.params.id, 'share');
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brew.title = `CLONE - ${brew.title}`;
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req.brew = brew;
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return next();
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}));
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//Share Page
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app.get('/share/:id', asyncHandler(async (req, res, next)=>{
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const brew = await getBrewFromId(req.params.id, 'share');
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if(req.params.id.length > 12) {
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const googleId = req.params.id.slice(0, -12);
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const shareId = req.params.id.slice(-12);
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await GoogleActions.increaseView(googleId, shareId, 'share', brew)
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.catch((err)=>{next(err);});
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} else {
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await HomebrewModel.increaseView({ shareId: brew.shareId });
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}
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req.brew = brew;
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return next();
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}));
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//Print Page
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app.get('/print/:id', asyncHandler(async (req, res, next)=>{
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const brew = await getBrewFromId(req.params.id, 'share');
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req.brew = brew;
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return next();
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}));
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//Render the page
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const templateFn = require('./client/template.js');
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app.use((req, res)=>{
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const props = {
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version : require('./package.json').version,
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url : req.originalUrl,
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brew : req.brew,
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brews : req.brews,
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googleBrews : req.googleBrews,
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account : req.account,
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enable_v3 : config.get('enable_v3')
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};
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templateFn('homebrew', title = req.brew ? req.brew.title : '', props)
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.then((page)=>{ res.send(page); })
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.catch((err)=>{
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console.log(err);
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return res.sendStatus(500);
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});
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});
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//v=====----- Error-Handling Middleware -----=====v//
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//Format Errors so all fields will be sent
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const replaceErrors = (key, value)=>{
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if(value instanceof Error) {
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const error = {};
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Object.getOwnPropertyNames(value).forEach(function (key) {
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error[key] = value[key];
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});
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return error;
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}
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return value;
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};
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const getPureError = (error)=>{
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return JSON.parse(JSON.stringify(error, replaceErrors));
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};
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app.use((err, req, res, next)=>{
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const status = err.status || 500;
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console.error(err);
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res.status(status).send(getPureError(err));
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});
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//^=====--------------------------------------=====^//
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const PORT = process.env.PORT || config.get('web_port') || 8000;
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app.listen(PORT, ()=>{
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console.log(`server on port:${PORT}`);
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});
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});
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298
server/app.js
Normal file
298
server/app.js
Normal file
@@ -0,0 +1,298 @@
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|||||||
|
/*eslint max-lines: ["warn", {"max": 300, "skipBlankLines": true, "skipComments": true}]*/
|
||||||
|
const _ = require('lodash');
|
||||||
|
const jwt = require('jwt-simple');
|
||||||
|
const express = require('express');
|
||||||
|
const yaml = require('js-yaml');
|
||||||
|
const app = express();
|
||||||
|
|
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const homebrewApi = require('./homebrew.api.js');
|
||||||
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const GoogleActions = require('./googleActions.js');
|
||||||
|
const serveCompressedStaticAssets = require('./static-assets.mv.js');
|
||||||
|
const sanitizeFilename = require('sanitize-filename');
|
||||||
|
const asyncHandler = require('express-async-handler');
|
||||||
|
|
||||||
|
const brewAccessTypes = ['edit', 'share', 'raw'];
|
||||||
|
|
||||||
|
//Get the brew object from the HB database or Google Drive
|
||||||
|
const getBrewFromId = asyncHandler(async (id, accessType)=>{
|
||||||
|
if(!brewAccessTypes.includes(accessType))
|
||||||
|
throw ('Invalid Access Type when getting brew');
|
||||||
|
let brew;
|
||||||
|
if(id.length > 12) {
|
||||||
|
const googleId = id.slice(0, -12);
|
||||||
|
id = id.slice(-12);
|
||||||
|
brew = await GoogleActions.readFileMetadata(config.get('google_api_key'), googleId, id, accessType);
|
||||||
|
} else {
|
||||||
|
brew = await HomebrewModel.get(accessType == 'edit' ? { editId: id } : { shareId: id });
|
||||||
|
brew = brew.toObject(); // Convert MongoDB object to standard Javascript Object
|
||||||
|
}
|
||||||
|
|
||||||
|
brew = sanitizeBrew(brew, accessType === 'edit' ? false : true);
|
||||||
|
//Split brew.text into text and style
|
||||||
|
//unless the Access Type is RAW, in which case return immediately
|
||||||
|
if(accessType == 'raw') {
|
||||||
|
return brew;
|
||||||
|
}
|
||||||
|
splitTextStyleAndMetadata(brew);
|
||||||
|
return brew;
|
||||||
|
});
|
||||||
|
|
||||||
|
const sanitizeBrew = (brew, full=false)=>{
|
||||||
|
delete brew._id;
|
||||||
|
delete brew.__v;
|
||||||
|
if(full){
|
||||||
|
delete brew.editId;
|
||||||
|
}
|
||||||
|
return brew;
|
||||||
|
};
|
||||||
|
|
||||||
|
const splitTextStyleAndMetadata = (brew)=>{
|
||||||
|
brew.text = brew.text.replaceAll('\r\n', '\n');
|
||||||
|
if(brew.text.startsWith('```metadata')) {
|
||||||
|
const index = brew.text.indexOf('```\n\n');
|
||||||
|
const metadataSection = brew.text.slice(12, index - 1);
|
||||||
|
const metadata = yaml.load(metadataSection);
|
||||||
|
Object.assign(brew, _.pick(metadata, ['title', 'description', 'tags', 'systems', 'renderer']));
|
||||||
|
brew.text = brew.text.slice(index + 5);
|
||||||
|
}
|
||||||
|
if(brew.text.startsWith('```css')) {
|
||||||
|
const index = brew.text.indexOf('```\n\n');
|
||||||
|
brew.style = brew.text.slice(7, index - 1);
|
||||||
|
brew.text = brew.text.slice(index + 5);
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
app.use('/', serveCompressedStaticAssets(`${__dirname}/../build`));
|
||||||
|
|
||||||
|
process.chdir(__dirname);
|
||||||
|
|
||||||
|
//app.use(express.static(`${__dirname}/build`));
|
||||||
|
app.use(require('body-parser').json({ limit: '25mb' }));
|
||||||
|
app.use(require('cookie-parser')());
|
||||||
|
app.use(require('./forcessl.mw.js'));
|
||||||
|
|
||||||
|
// FIXME: the config should be passed as an argument for the app
|
||||||
|
const config = require('nconf')
|
||||||
|
.argv()
|
||||||
|
.env({ lowerCase: true })
|
||||||
|
.file('environment', { file: `config/${process.env.NODE_ENV}.json` })
|
||||||
|
.file('defaults', { file: 'config/default.json' });
|
||||||
|
|
||||||
|
//Account Middleware
|
||||||
|
app.use((req, res, next)=>{
|
||||||
|
if(req.cookies && req.cookies.nc_session){
|
||||||
|
try {
|
||||||
|
req.account = jwt.decode(req.cookies.nc_session, config.get('secret'));
|
||||||
|
//console.log("Just loaded up JWT from cookie:");
|
||||||
|
//console.log(req.account);
|
||||||
|
} catch (e){}
|
||||||
|
}
|
||||||
|
|
||||||
|
req.config = {
|
||||||
|
google_client_id : config.get('google_client_id'),
|
||||||
|
google_client_secret : config.get('google_client_secret')
|
||||||
|
};
|
||||||
|
return next();
|
||||||
|
});
|
||||||
|
|
||||||
|
app.use(homebrewApi);
|
||||||
|
app.use(require('./admin.api.js'));
|
||||||
|
|
||||||
|
const HomebrewModel = require('./homebrew.model.js').model;
|
||||||
|
const welcomeText = require('fs').readFileSync('./../client/homebrew/pages/homePage/welcome_msg.md', 'utf8');
|
||||||
|
const welcomeTextV3 = require('fs').readFileSync('./../client/homebrew/pages/homePage/welcome_msg_v3.md', 'utf8');
|
||||||
|
const changelogText = require('fs').readFileSync('./../changelog.md', 'utf8');
|
||||||
|
const faqText = require('fs').readFileSync('./../faq.md', 'utf8');
|
||||||
|
|
||||||
|
String.prototype.replaceAll = function(s, r){return this.split(s).join(r);};
|
||||||
|
|
||||||
|
//Robots.txt
|
||||||
|
app.get('/robots.txt', (req, res)=>{
|
||||||
|
return res.sendFile(`${__dirname}/robots.txt`);
|
||||||
|
});
|
||||||
|
|
||||||
|
//Home page
|
||||||
|
app.get('/', async (req, res, next)=>{
|
||||||
|
const brew = {
|
||||||
|
text : welcomeText
|
||||||
|
};
|
||||||
|
req.brew = brew;
|
||||||
|
return next();
|
||||||
|
});
|
||||||
|
|
||||||
|
//Home page v3
|
||||||
|
app.get('/v3_preview', async (req, res, next)=>{
|
||||||
|
const brew = {
|
||||||
|
text : welcomeTextV3,
|
||||||
|
renderer : 'V3'
|
||||||
|
};
|
||||||
|
splitTextStyleAndMetadata(brew);
|
||||||
|
req.brew = brew;
|
||||||
|
return next();
|
||||||
|
});
|
||||||
|
|
||||||
|
//Changelog page
|
||||||
|
app.get('/changelog', async (req, res, next)=>{
|
||||||
|
const brew = {
|
||||||
|
title : 'Changelog',
|
||||||
|
text : changelogText,
|
||||||
|
renderer : 'V3'
|
||||||
|
};
|
||||||
|
splitTextStyleAndMetadata(brew);
|
||||||
|
req.brew = brew;
|
||||||
|
return next();
|
||||||
|
});
|
||||||
|
|
||||||
|
//FAQ page
|
||||||
|
app.get('/faq', async (req, res, next)=>{
|
||||||
|
const brew = {
|
||||||
|
title : 'FAQ',
|
||||||
|
text : faqText,
|
||||||
|
renderer : 'V3'
|
||||||
|
};
|
||||||
|
splitTextStyleAndMetadata(brew);
|
||||||
|
req.brew = brew;
|
||||||
|
return next();
|
||||||
|
});
|
||||||
|
|
||||||
|
//Source page
|
||||||
|
app.get('/source/:id', asyncHandler(async (req, res)=>{
|
||||||
|
const brew = await getBrewFromId(req.params.id, 'raw');
|
||||||
|
|
||||||
|
const replaceStrings = { '&': '&', '<': '<', '>': '>' };
|
||||||
|
let text = brew.text;
|
||||||
|
for (const replaceStr in replaceStrings) {
|
||||||
|
text = text.replaceAll(replaceStr, replaceStrings[replaceStr]);
|
||||||
|
}
|
||||||
|
text = `<code><pre style="white-space: pre-wrap;">${text}</pre></code>`;
|
||||||
|
res.status(200).send(text);
|
||||||
|
}));
|
||||||
|
|
||||||
|
//Download brew source page
|
||||||
|
app.get('/download/:id', asyncHandler(async (req, res)=>{
|
||||||
|
const brew = await getBrewFromId(req.params.id, 'raw');
|
||||||
|
const prefix = 'HB - ';
|
||||||
|
|
||||||
|
let fileName = sanitizeFilename(`${prefix}${brew.title}`).replaceAll(' ', '');
|
||||||
|
if(!fileName || !fileName.length) { fileName = `${prefix}-Untitled-Brew`; };
|
||||||
|
res.set({
|
||||||
|
'Cache-Control' : 'no-cache',
|
||||||
|
'Content-Type' : 'text/plain',
|
||||||
|
'Content-Disposition' : `attachment; filename="${fileName}.txt"`
|
||||||
|
});
|
||||||
|
res.status(200).send(brew.text);
|
||||||
|
}));
|
||||||
|
|
||||||
|
//User Page
|
||||||
|
app.get('/user/:username', async (req, res, next)=>{
|
||||||
|
const ownAccount = req.account && (req.account.username == req.params.username);
|
||||||
|
|
||||||
|
let brews = await HomebrewModel.getByUser(req.params.username, ownAccount)
|
||||||
|
.catch((err)=>{
|
||||||
|
console.log(err);
|
||||||
|
});
|
||||||
|
|
||||||
|
if(ownAccount && req?.account?.googleId){
|
||||||
|
const googleBrews = await GoogleActions.listGoogleBrews(req, res)
|
||||||
|
.catch((err)=>{
|
||||||
|
console.error(err);
|
||||||
|
});
|
||||||
|
|
||||||
|
if(googleBrews)
|
||||||
|
brews = _.concat(brews, googleBrews);
|
||||||
|
}
|
||||||
|
|
||||||
|
req.brews = _.map(brews, (brew)=>{
|
||||||
|
return sanitizeBrew(brew, !ownAccount);
|
||||||
|
});
|
||||||
|
|
||||||
|
return next();
|
||||||
|
});
|
||||||
|
|
||||||
|
//Edit Page
|
||||||
|
app.get('/edit/:id', asyncHandler(async (req, res, next)=>{
|
||||||
|
res.header('Cache-Control', 'no-cache, no-store'); //reload the latest saved brew when pressing back button, not the cached version before save.
|
||||||
|
const brew = await getBrewFromId(req.params.id, 'edit');
|
||||||
|
req.brew = brew;
|
||||||
|
return next();
|
||||||
|
}));
|
||||||
|
|
||||||
|
//New Page
|
||||||
|
app.get('/new/:id', asyncHandler(async (req, res, next)=>{
|
||||||
|
const brew = await getBrewFromId(req.params.id, 'share');
|
||||||
|
brew.title = `CLONE - ${brew.title}`;
|
||||||
|
req.brew = brew;
|
||||||
|
return next();
|
||||||
|
}));
|
||||||
|
|
||||||
|
//Share Page
|
||||||
|
app.get('/share/:id', asyncHandler(async (req, res, next)=>{
|
||||||
|
const brew = await getBrewFromId(req.params.id, 'share');
|
||||||
|
|
||||||
|
if(req.params.id.length > 12) {
|
||||||
|
const googleId = req.params.id.slice(0, -12);
|
||||||
|
const shareId = req.params.id.slice(-12);
|
||||||
|
await GoogleActions.increaseView(googleId, shareId, 'share', brew)
|
||||||
|
.catch((err)=>{next(err);});
|
||||||
|
} else {
|
||||||
|
await HomebrewModel.increaseView({ shareId: brew.shareId });
|
||||||
|
}
|
||||||
|
|
||||||
|
req.brew = brew;
|
||||||
|
return next();
|
||||||
|
}));
|
||||||
|
|
||||||
|
//Print Page
|
||||||
|
app.get('/print/:id', asyncHandler(async (req, res, next)=>{
|
||||||
|
const brew = await getBrewFromId(req.params.id, 'share');
|
||||||
|
req.brew = brew;
|
||||||
|
return next();
|
||||||
|
}));
|
||||||
|
|
||||||
|
//Render the page
|
||||||
|
const templateFn = require('./../client/template.js');
|
||||||
|
app.use((req, res)=>{
|
||||||
|
const props = {
|
||||||
|
version : require('./../package.json').version,
|
||||||
|
url : req.originalUrl,
|
||||||
|
brew : req.brew,
|
||||||
|
brews : req.brews,
|
||||||
|
googleBrews : req.googleBrews,
|
||||||
|
account : req.account,
|
||||||
|
enable_v3 : config.get('enable_v3')
|
||||||
|
};
|
||||||
|
templateFn('homebrew', title = req.brew ? req.brew.title : '', props)
|
||||||
|
.then((page)=>{ res.send(page); })
|
||||||
|
.catch((err)=>{
|
||||||
|
console.log(err);
|
||||||
|
return res.sendStatus(500);
|
||||||
|
});
|
||||||
|
});
|
||||||
|
|
||||||
|
//v=====----- Error-Handling Middleware -----=====v//
|
||||||
|
//Format Errors so all fields will be sent
|
||||||
|
const replaceErrors = (key, value)=>{
|
||||||
|
if(value instanceof Error) {
|
||||||
|
const error = {};
|
||||||
|
Object.getOwnPropertyNames(value).forEach(function (key) {
|
||||||
|
error[key] = value[key];
|
||||||
|
});
|
||||||
|
return error;
|
||||||
|
}
|
||||||
|
return value;
|
||||||
|
};
|
||||||
|
|
||||||
|
const getPureError = (error)=>{
|
||||||
|
return JSON.parse(JSON.stringify(error, replaceErrors));
|
||||||
|
};
|
||||||
|
|
||||||
|
app.use((err, req, res, next)=>{
|
||||||
|
const status = err.status || 500;
|
||||||
|
console.error(err);
|
||||||
|
res.status(status).send(getPureError(err));
|
||||||
|
});
|
||||||
|
//^=====--------------------------------------=====^//
|
||||||
|
|
||||||
|
module.exports = {
|
||||||
|
app: app
|
||||||
|
}
|
||||||
Reference in New Issue
Block a user