Files
blogger-nodejs/src/routes/form_actions.js

230 lines
8.4 KiB
JavaScript

const express = require('express');
const config = require('../../config')
const data = require('../data')
const func = require('../functions')
let users = require('../../data/users.json');
let posts = require('../../data/posts.json');
let comments = require('../../data/comments.json');
let other_data = require('../../data/data.json');
const { fromUnixTime, format, getUnixTime } = require("date-fns") // A date utility library
const fs = require('fs')
const crypto = require('crypto')
const router = express.Router();
////////////////////// Form actions /////////////////////////
router.post("/submit_comment", (req,res) => {
const unix_timestamp = getUnixTime(new Date())
const postID = parseInt(req.body.post_index)
const content = func.escape_input(req.body.content)
let name = func.escape_input(req.body.name)
// Give the user the default username if they left that bit blank
if (name == "" || typeof name == 'undefined') {
name = config.default_commenter_username
}
// Check there is actually content in the comment
if (content != '' && typeof content != 'undefined') {
let comments = data.getdata('comments')
new_comment = {
"name": name,
"content": content,
"id": comments[postID]['comments'].length,
"pubdate": unix_timestamp,
};
comments[postID]['comments'].push(new_comment);
fs.writeFileSync(`../data/comments.json`, `${JSON.stringify(comments)}`, 'utf-8');
}
res.redirect(301,`/post/${req.body.post_index}`)
}); // /submit_comment
router.post("/submit_post", (req,res) => {
const password = crypto.createHash('sha512').update(req.body.password).digest('hex');
const username = func.escape_input(req.body.username)
const title = func.escape_input(req.body.title)
const content = req.body.content
const tags = func.escape_input(req.body.tags).split(',').map(str => str.trim());
const unix_timestamp = getUnixTime(new Date())
if (func.get_userID(username) == -1) {
res.render("partials/message", {
message: locale.user_doesnt_exit,
config,
})
}
else if (users[func.get_userID(username)]['hash'] == password) { // Password matches
console.log(username, "is submitting a post titled:", title);
id = posts.length
posts.push({
"id": id,
"userID": func.get_userID(username),
"title": title,
"content": content,
"pubdate": unix_timestamp,
"editdate": unix_timestamp,
"tags": tags,
})
fs.writeFileSync(`../data/posts.json`, `${JSON.stringify(posts)}`, 'utf-8');
comments.push({'id': id, 'comments': []})
fs.writeFileSync(`../data/comments.json`, `${JSON.stringify(comments)}`)
res.redirect(302, "/");
}
else {
res.render("partials/message", {
message: locale.incorrect_password,
config,
})
}
}); // /submit_post
router.post("/submit_signup", (req,res) => {
const password = crypto.createHash('sha512').update(req.body.password).digest('hex');
const username = func.escape_input(req.body.username)
const prettyname = func.escape_input(req.body.prettyname)
const description = req.body.description
// Check that signups are allowed
if (config.allow_signup == true) {
// func.get_userID will return -1 if the user does not exist
// so this checks that the user does not exist
if (func.get_userID(username) == -1) {
users.push({
"id": users.length,
"username": username,
"prettyname": prettyname,
"hash": password,
"description": description,
})
fs.writeFileSync(`../data/users.json`, `${JSON.stringify(users)}`, 'utf-8');
res.redirect(301, `/user/${username}`)
}
// if the user does exist then
else {
res.render("partials/message", {
message: locale.user_exists,
config,
})
}
}
else if (config.allow_signup == false) {
res.render("partials/message", {
message: locale.signups_unavailable,
config,
})
}
// If allow_signup is undefined or not a boolean, error
else {
res.redirect(301,"/")
console.log("Error, invalid value for allow_signup (bool)")
}
}); // /submit_signup
router.post("/submit_edit_user", (req,res) => {
// Get the form info
const password = crypto.createHash("sha512").update(req.body.password).digest("hex");
const userID = func.escape_input(req.body.userID)
const description = req.body.description
const prettyname = func.escape_input(req.body.prettyname)
const delete_bool = req.body.delete
if (userID >= 0) { // The user exists
if (password == users[userID]['hash']) { // password matches
console.log(userID, " (userID) is modifying their account")
users[userID]["prettyname"] = prettyname;
users[userID]["description"] = description;
if (delete_bool == true) {
// Delete the user
users[userID] = {"id": userID,"deleted": true}
// Delete all their posts
for (let postid = 0; postid < posts.length; postid++) { // loop over all posts
if (posts[postid]['userID'] == userID) { // if userID matches
posts[postid] = {"id": postid, "deleted": true} // delete the post
comments[postid] = [] // the comments for this post should also be deleted
}
};
}
// Write these changes
fs.writeFileSync(`../data/users.json`, `${JSON.stringify(users)}`, 'utf-8');
fs.writeFileSync(`../data/posts.json`, `${JSON.stringify(posts)}`, 'utf-8');
fs.writeFileSync(`../data/comments.json`, `${JSON.stringify(comments)}`, 'utf-8');
res.redirect(301,`/user/${users[userID]["username"]}`)
}
else { // password does not match
res.render("partials/message", {
message: locale.incorrect_password,
config
}
)
};
}
else {
res.render("partials/message", {
message: locale.user_doesnt_exist,
config,
})
}
}); // /submit_delete_account
router.post("/submit_edit_post", (req,res) => {
const password = crypto.createHash('sha512').update(req.body.password).digest('hex');
const postID = req.body.postID
const userID = req.body.userID
const title = func.escape_input(req.body.title)
const content = req.body.content
const tags = func.escape_input(req.body.tags).split(",").map(str => str.trim());
const delete_bool = req.body.delete
const unix_timestamp = getUnixTime(new Date())
console.log(users[userID]['prettyname'], "is editting the post titled:", title);
if (users[userID]['hash'] == password) { // password matches
let post = posts[postID]
post['title'] = title
post['content'] = content
post['tags'] = tags
post['editdate'] = unix_timestamp
if (typeof delete_bool != "undefined") {
console.log("Deleting post!")
posts[postID] = {"id": post["id"], "deleted": true}
comments[postID] = [];
fs.writeFileSync(`../data/comments.json`, `${JSON.stringify(comments)}`, 'utf-8');
}
fs.writeFileSync(`../data/posts.json`, `${JSON.stringify(posts)}`, 'utf-8');
res.redirect(302, "/");
}
else {
res.render("partials/message", {
message: locale.incorrect_password,
config,
})
}
}); // /submit_edit
router.get('/search', (req, res) => {
const search_term = func.escape_input(req.query.q); // 'q' is the parameter name
let search_type = req.query.type; // eg 'post', 'user'
if (typeof search_type == 'string') { // Make the search_term an array
search_type = [ search_type ]
}
if (typeof search_type == 'undefined') { // Default to all of the types
search_type = ['user', 'post'];
}
console.log('searching for: ', search_term);
const search_results = data.searchdata(search_term, search_type); // data.searchdata returns an array of search results
res.render('pages/search', {
config,
locale,
search_results,
search_term,
search_type,
})
}); // /search
module.exports = router;