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global.js
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global.js
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"use strict";
//*/
const fs = require('fs');
const Multer = require('./lib/koa-multer');
const Request = require('request');
const PRequest = require('promisified-request');
const Socket = require('socket.io');
const Redis = require('koa-redis');
const Crypto = require('crypto');
const Config = require('./config');
const Lib = require('./lib');
/*/
import * as fs from 'fs';
import Multer from 'koa-multer';
import Request from 'request';
import PRequest from 'promisified-request';
import Socket from 'socket.io';
import Redis from 'koa-redis';
import Crypto from 'crypto';
import Config from './config';
import Lib from './lib';
//*/
const request = PRequest.create(Request.defaults({}));
const db = Config.db;
const pgp = Config.pgp;
const handlers = {};
var _ = {};
/*
* GET request handlers
*/
_.index = async function(ctx,next){ // moderation front page aka underboard
if (!ctx.state.user.reg) return this.login(ctx,next);
let data = await db.any(Config.sql.view.user_roles,{
id: ctx.state.user.id
});
ctx.state.page = {type:'manage',param:'index'};
ctx.render('underboard',{data});
};
_.login = async function(ctx,next){
console.log(ctx.cookies.lastpage,ctx.path);
if (ctx.state.user.reg) return ctx.redirect(ctx.cookies.get('lastpage')!=ctx.path?ctx.cookies.get('lastpage'):'/_');
ctx.render('login');
};
_.signup = async function(ctx,next){
console.log(ctx.cookies.lastpage,ctx.path);
if (ctx.state.user.reg) return ctx.redirect(ctx.cookies.get('lastpage')!=ctx.path?ctx.cookies.get('lastpage'):'/');
ctx.render('signup');
};
_.logout = async function(ctx,next){
ctx.cookies.set('curpage',ctx.cookies.get('lastpage'),{httpOnly:true});
if (!ctx.session.user) ctx.redirect(ctx.cookies.get('lastpage'));
try {
await db.none(Config.sql.modify.user_token,{
user:ctx.session.user.username,
token:null
});
if (ctx.session.user) delete ctx.session.user;
if (ctx.cookies.user) ctx.cookies.set('user',undefined,{httpOnly:true});
ctx.cookies.set('lastpage',ctx.params.board?'/'+ctx.params.board+'/':'/_/',{httpOnly:true});
let board = /^\/([a-zA-Z0-9_]+)\/.*/.exec(ctx.cookies.get('curpage'));
ctx.redirect(board?'/'+board[1]+'/':'/');
} catch(err){
throw err.setloc('/_/logout');
}
};
_.createBoard = async function(ctx,next){
if (!ctx.state.user.reg) return ctx.redirect('/_/login');
ctx.render('editBoard');
};
_.createBoard.reg = true;
_.createBoard.auth = function(ctx,next){
if (Config.cfg.options.disable_usermade_boards)
if (!ctx.state.user.global || !ctx.state.user.auth('site.board.create',0))
throw '';
else if (Config.cfg.options.require_valid_email)
if (!ctx.state.user.verified || !ctx.state.user.auth('site.board.create',1))
throw '';
};
_.bans = async function(ctx,next){
ctx.body = 'Preset Global Page: /_/'+ ctx.params.page;
return;
ctx.state.page = {type:'manage',param:'bans'};
};
_.banned = async function(ctx,next){
ctx.body = 'Preset Global Page: /_/'+ ctx.params.page;
return;
ctx.state.page = {type:'manage',param:'banned'};
};
_.logs = async function(ctx,next){
ctx.body = 'Preset Global Page: /_/'+ ctx.params.page;
return;
ctx.state.page = {type:'manage',param:'logs'};
};
_.reports = async function(ctx,next){
ctx.body = 'Preset Global Page: /_/'+ ctx.params.page;
return;
ctx.state.page = {type:'manage',param:'reports'};
};
handlers.GET = _;
_ = {};
/*
* POST request handlers
*/
_.login = async function(ctx,next){
ctx.checkCSRF();
try {
let data = await db.one(Config.sql.view.user_by_name,{
user:ctx.request.body.username
});
if (!Lib.compareData(ctx.request.body.passphrase+Config.cfg.secret, data.passphrase))
throw new Error("Invalid username or password.");
let token = Crypto
.createHash('sha512')
.update(ctx.request.body.username)
.update(ctx.IP)
.update(Config.cfg.secret)
.digest('hex');
try {
await db.none(Config.sql.modify.user_token,{
user:ctx.request.body.username,
token:token
});
let x = {httpOnly:true};
if (!!ctx.request.body.rememberme) x.maxAge = 1000*60*60*24*7;
else x.expires = 0;
ctx.cookies.set('user',token,x);
ctx.redirect(ctx.cookies.get('lastpage')!=ctx.path?ctx.cookies.get('lastpage'):'/');
} catch(err){
throw err;
}
} catch(err){
if (err.message=="No data returned from the query.")
err.message = "Invalid username or password.";
throw err.withrender('login').setdata(ctx.request.body);
}
};
_.signup = async function(ctx,next){
ctx.checkCSRF();
let err;
if (ctx.request.body.passphrase != ctx.request.body.validate)
err = new Error('Passphrase mismatch. Try again.');
if (!ctx.request.body.passphrase)
err = new Error('Passphrase is REQUIRED.');
if (!ctx.request.body.username)
err = new Error('Username is REQUIRED.');
if (err) return next(err.withrender('signup').setdata(ctx.request.body));
let token = Crypto
.createHash('sha1')
.update(ctx.request.body.username)
.update(ctx.IP)
.update(Config.cfg.secret)
.digest('hex');
try {
ctx.request.body.email = Lib.maskData(ctx.request.body.email);
ctx.request.body.passphrase = Lib.encryptData(ctx.request.body.passphrase+Config.cfg.secret);
await db.none(Config.sql.modify.new_user,{
user:ctx.request.body.username,
nick:ctx.request.body.screenname||ctx.request.body.username,
pass:ctx.request.body.passphrase,
email:ctx.request.body.email||null,
token:token
});
let x = {httpOnly:true};
if (ctx.request.body.rememberme) x.maxAge = 1000*60*60*24*3; // 3 days
else x.expires = 0;
ctx.cookies.set('user',token,x);
ctx.cookies.set('curpage',ctx.cookies.get('lastpage'),{httpOnly:true,expires:0});
ctx.redirect('/_/login');
} catch(err){
throw Lib.mkerr('signup',err).withrender('signup').setdata(ctx.request.body);
}
};
_.createBoard = async function(ctx,next){
ctx.checkCSRF();
let err;
ctx.request.body.board = ctx.request.body.board.replace(/(?:^\/|\/$)/g,'');
if ('tags' in ctx.request.body)
ctx.request.body.tags = ctx.request.body.tags.split(',').map(x=>x.trim()).filter(x=>!!x);
if (!(/^[a-zA-Z0-9_]+$/.test(ctx.request.body.board)))
err = new Error('Board name is empty or contains invalid characters.');
else if (ctx.request.body.board.length > 32)
err = new Error('Board name is too long. Must be 32 characters or less.');
else if ('tags' in ctx.request.body && ctx.request.body.tags.length > 0 && !(/^[a-zA-Z0-9_]+(?:,[a-zA-Z0-9_]+)*$/.test(ctx.request.body.tags.join(','))))
err = new Error('A tag with invalid characters was submitted. Must contain only alphanumeric or underscore characters.');
else if ('tags' in ctx.request.body && ctx.request.body.tags.length > 8)
err = new Error('Too many tags were submitted. Must have no more than 8 tags.');
else if (ctx.request.body.title.length == 0)
err = new Error('Board title is empty. Must provide a title for the board.');
else if (ctx.request.body.title.length > 32)
err = new Error('Board title is too long. Must be 32 characters or less.');
else if (ctx.request.body.noname.length > 32)
err = new Error('Default anonymous name is too long. Must be 32 characters or less.');
else if (ctx.request.body.subtitle.length > 128)
err = new Error('Board subtitle is too long. Must be 128 characters or less.');
for (let item in ctx.request.body.tags){
if (item.length > 32){
err = new Error('One of the tags is too long. Cannot have tags longer than 32 characters.');
break;
}
}
if (err) {
throw err.withrender('editBoard').setdata(ctx.request.body);
} else {
// finish
let t = {};
['board','title','subtitle'].forEach((item)=>{
t[item] = item in ctx.request.body && ctx.request.body[item].length? pgp.as.text(ctx.request.body[item]): 'NULL';
});
['noname'].forEach((item)=>{
t[item] = item in ctx.request.body && ctx.request.body[item].length? pgp.as.text(ctx.request.body[item]): 'DEFAULT';
});
['listed','nsfw'].forEach((item)=>{
t[item] = pgp.as.bool(!!ctx.request.body[item]);
});
t.tags = pgp.as.json('tags' in ctx.request.body? ctx.request.body.tags: []);
let i,k=[],v=[];
for (i in t){
k.push(i);
v.push(t[i]);
}
try {
db.none(Config.sql.modify.new_board,{
keys:k.join(','),
values:v.join(','),
id:ctx.state.user.id,
board:t.board
});
ctx.session.user = null; // Force recache of user data
ctx.redirect('/'+ctx.request.body.board+'/');
} catch(err){
throw Lib.mkerr('editBoard',err).withrender('editBoard').setdata(ctx.request.body);
// TODO: recache the board list and data?
}
}
};
_.createBoard.reg = true;
_.createBoard.auth = handlers.GET.createBoard.auth;
_.deleteBoard = async function(ctx,next){
};
_.deleteBoard.reg = true;
_.deleteBoard.auth = function(ctx){
};
handlers.POST = _;
//TODO implement redis cacheing.
const tagCloud = async function tagCloud(){
let cloud = {}, out = [];
try {
let data = await db.any('SELECT tags FROM boards WHERE listed IS TRUE;');
let i = -1;
while (++i < data.length)
data[i].tags.forEach((item)=>{
if (item in cloud) cloud[item] += 1;
else cloud[item] = 1;
});
for (i in cloud)
out.push({tag:i,count:cloud[i]});
out.sort((a,b)=>{ return a.count < b.count? 1: a.count > b.count? -1: 0; });
} catch(err){
console.log('DB error in global#tagCloud');
console.log(err);
}
return out;
};
handlers.pages = async function(ctx,next){
try {
let data = await db.one(Config.sql.view.page, {
board: '_',
page: ctx.params.file
});
ctx.state = {type:'custom',param:ctx.params.page};
ctx.render('page',{data: data}); // TODO
} catch(err){
throw err.setstatus(404).setloc('global page serve');
}
};
handlers.index = async function(ctx,next){
let t = (ctx.query.tags||'').split(','),
nsfw = ['NULL','TRUE','FALSE'].contains(ctx.query.nsfw)? ctx.query.nsfw:'NULL',
all=[],any=[],none=[],
reall=/^ *\+[a-zA-Z0-9_]+ *$/,reany=/^ *[a-zA-Z0-9_]+ *$/,renone=/^ *\-[a-zA-Z0-9_]+ *$/;
if (t.length&&t[0]!==''){
t.forEach((b)=>{if(reall.test(b))all.push(b.trim().slice(1));});
t.forEach((b)=>{if(renone.test(b))none.push(b.trim().slice(1));});
t.forEach((b)=>{if(reany.test(b))any.push(b.trim());});
}
let tags = await tagCloud();
// redis cache check/fetch with alternate tags filter?
let data = await db.any(Config.sql.view.overboard, {
page: parseInt(ctx.query.page||1,10),
all: all.length?'tags ?& '+pgp.as.array(all)+'::TEXT[]':'TRUE',
any: any.length?'tags ?| '+pgp.as.array(any)+'::TEXT[]':'TRUE',
none: none.length?'NOT tags ?| '+pgp.as.array(none)+'::TEXT[]':'TRUE',
nsfw: {'TRUE':'FALSE','FALSE':'TRUE','NULL':'NULL'}[nsfw]
});
ctx.state.page = {type:'index',param:'index'};
ctx.render('overboard',{
data, nsfw,
tags: ctx.query.tags,
taglist: tags.slice(0,25), // only suggest up to the 25 most used tags
curpage: parseInt(ctx.query.page||1,10),
totalboards: data&&data.length?parseInt(data[0].total,10):0,
cloud: tags.slice(0,Config.cfg.values.tag_cloud_count||25) //array of {tag:string,count:integer}
});
};
module.exports = handlers;
// export {handlers as default};