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61 lines
1.8 KiB
61 lines
1.8 KiB
'use strict';
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const Mongo = require(__dirname+'/../db/db.js')
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, allowedArrays = new Set(['checkedposts', 'globalcheckedposts', 'checkedbans', 'checkedbanners']) //only these can be arrays, since express bodyparser will output arrays
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, trimFields = ['message', 'name', 'subject', 'email', 'password', 'default_name', 'report_reason', 'ban_reason'] //trim if we dont want filed with whitespace
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, numberFields = ['reply_limit', 'max_files', 'thread_limit', 'thread', 'min_message_length']; //convert these to numbers before they hit our routes
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module.exports = (req, res, next) => {
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const bodyfields = Object.keys(req.body);
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for (let i = 0; i < bodyfields.length; i++) {
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const key = bodyfields[i];
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const val = req.body[key];
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if (!allowedArrays.has(key) && Array.isArray(val)) {
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return res.status(400).render('message', {
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'title': 'Bad request',
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'message': 'Malformed input'
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});
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}
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}
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for (let i = 0; i < trimFields.length; i++) {
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const field = trimFields[i];
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if (req.body[field]) {
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req.body[field] = req.body[field].trim();
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}
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}
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for (let i = 0; i < numberFields.length; i++) {
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const field = numberFields[i];
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if (req.body[field]) {
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const num = parseInt(req.body[field]);
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if (Number.isSafeInteger(num)) {
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req.body[field] = num;
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} else {
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req.body[field] = null;
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}
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}
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}
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//convert checked post ids to mongoid/number
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if (req.body.checkedposts) {
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req.body.checkedposts = req.body.checkedposts.map(Number);
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}
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if (req.body.globalcheckedposts) {
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req.body.globalcheckedposts = req.body.globalcheckedposts.map(Mongo.ObjectId)
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}
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//thread id
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if (req.params.id) {
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req.params.id = +req.params.id;
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}
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//board page
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if (req.params.page) {
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req.params.page = req.params.page === 'index' ? 'index' : +req.params.page;
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}
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next();
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}
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