58 lines
1.5 KiB
JavaScript
58 lines
1.5 KiB
JavaScript
"use strict";
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// modules
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const fs = require('fs');
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const express = require('express');
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const logger = require('debug')('cc:signatures');
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// HTTP status codes by name
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const codes = require('./http-codes');
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const routerHandling = require('../middleware/router-handling');
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const UserModel = require('../models/user');
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const signatures = express.Router();
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// routes **********************
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signatures.route('/:id')
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.get((req, res, next) => {
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// decode UTF8-escape sequences (special characters)
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const uri = decodeURIComponent(req.params.id);
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UserModel.findOne({username: uri}, (err, user) => {
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const emptyFile = 'resource/signature/0.png';
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if (user === null) {
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res.sendFile(emptyFile, {root: __dirname + '/../'});
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} else {
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const file = 'resource/signature/' + user._id + '.png';
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fs.stat(__dirname + '/../' + file, (err, stat) => {
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if (err === null) {
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res.sendFile(file, {root: __dirname + '/../'});
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} else if (err.code === 'ENOENT') {
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res.sendFile(emptyFile, {root: __dirname + '/../'});
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} else {
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err = new Error("Internal server error");
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err.status = codes.servererror;
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return next(err);
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}
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});
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}
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})
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})
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.all(
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routerHandling.httpMethodNotAllowed
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);
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// this middleware function can be used, if you like or remove it
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// it looks for object(s) in res.locals.items and if they exist, they are send to the client as json
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signatures.use(routerHandling.emptyResponse);
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module.exports = signatures;
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