Files
meanTorrent/modules/torrents/server/controllers/torrents.server.controller.js
2017-05-08 13:47:24 +08:00

569 lines
14 KiB
JavaScript

'use strict';
/**
* Module dependencies
*/
var path = require('path'),
config = require(path.resolve('./config/config')),
mongoose = require('mongoose'),
errorHandler = require(path.resolve('./modules/core/server/controllers/errors.server.controller')),
multer = require('multer'),
User = mongoose.model('User'),
Peer = mongoose.model('Peer'),
Torrent = mongoose.model('Torrent'),
fs = require('fs'),
nt = require('nt'),
benc = require('bncode'),
async = require('async'),
validator = require('validator'),
tmdb = require('moviedb')(config.meanTorrentConfig.tmdbConfig.key);
/**
* get movie info from tmdb
*/
exports.movieinfo = function (req, res) {
console.log('------- API: movieinfo --------------------');
console.log(req.params);
tmdb.movieInfo({
id: req.params.tmdbid,
language: req.params.language,
append_to_response: 'credits,images,alternative_titles,release_dates',
include_image_language: req.params.language + ',null'
}, function (err, info) {
if (err) {
res.status(900).send(err);
} else {
res.json(info);
}
});
};
/**
* upload torrent file
* @param req
* @param res
*/
exports.upload = function (req, res) {
var user = req.user;
var createUploadFilename = require(path.resolve('./config/lib/multer')).createUploadFilename;
var getUploadDestination = require(path.resolve('./config/lib/multer')).getUploadDestination;
var fileFilter = require(path.resolve('./config/lib/multer')).torrentFileFilter;
var torrentinfo = null;
var storage = multer.diskStorage({
destination: getUploadDestination,
filename: createUploadFilename
});
var upload = multer({
storage: storage,
fileFilter: fileFilter,
limits: config.uploads.torrent.file.limits
}).single('newTorrentFile');
if (user) {
uploadFile()
.then(checkAnnounce)
.then(checkHash)
.then(function () {
res.status(200).send(torrentinfo);
})
.catch(function (err) {
res.status(422).send(err);
});
} else {
res.status(401).send({
message: 'User is not signed in'
});
}
function uploadFile() {
return new Promise(function (resolve, reject) {
upload(req, res, function (uploadError) {
if (uploadError) {
var message = errorHandler.getErrorMessage(uploadError);
if (uploadError.code === 'LIMIT_FILE_SIZE') {
message = 'Torrent file too large. Maximum size allowed is ' + (config.uploads.torrent.file.limits.fileSize / (1024 * 1024)).toFixed(2) + ' Mb files.';
}
//reject(errorHandler.getErrorMessage(uploadError));
reject(message);
} else {
resolve();
}
});
});
}
function checkAnnounce() {
return new Promise(function (resolve, reject) {
console.log(req.file.filename);
var newfile = config.uploads.torrent.file.dest + req.file.filename;
nt.read(newfile, function (err, torrent) {
var message = '';
if (err) {
message = 'Read torrent file faild';
reject(message);
} else {
if (!config.meanTorrentConfig.announce.open_tracker) {
if (torrent.metadata.announce !== config.meanTorrentConfig.announce.url) {
console.log(torrent.metadata.announce);
message = 'ANNOUNCE_URL_ERROR';
fs.unlink(newfile, function (unlinkError) {
if (unlinkError) {
console.log(unlinkError);
message = 'Error occurred while deleting torrent file';
reject(message);
}
});
reject(message);
}
}
torrentinfo = torrent.metadata;
torrentinfo.info_hash = torrent.infoHash();
torrentinfo.filename = req.file.filename;
resolve();
}
});
});
}
function checkHash() {
return new Promise(function (resolve, reject) {
var newfile = config.uploads.torrent.file.dest + req.file.filename;
var message = '';
if (torrentinfo.info_hash === '' || !torrentinfo.info_hash) {
message = 'INFO_HASH_IS_EMPTY';
reject(message);
} else {
Torrent.findOne({
info_hash: torrentinfo.info_hash
}).exec(function (err, torrent) {
if (err) {
reject(err);
} else {
if (torrent) {
message = 'INFO_HASH_ALREADY_EXISTS';
fs.unlink(newfile, function (unlinkError) {
if (unlinkError) {
console.log(unlinkError);
message = 'Error occurred while deleting torrent file';
reject(message);
}
});
reject(message);
} else {
resolve();
}
}
});
}
});
}
};
/**
* download a torrent file
* @param req
* @param res
*/
exports.download = function (req, res) {
var torrent_data = null;
var filePath = config.uploads.torrent.file.dest + req.torrent.torrent_filename;
var stat = fs.statSync(filePath);
fs.exists(filePath, function (exists) {
if (exists) {
getTorrentFileData(filePath)
.then(function () {
//var options = {
// root: path.join(__dirname, '../../../../'),
// headers: {
// 'Content-Type': 'application/x-bittorrent',
// 'Content-Disposition': 'attachment; filename=' + config.meanTorrentConfig.announce.announce_prefix + req.torrent.torrent_filename,
// 'Content-Length': stat.size
// }
//};
//res.sendFile(filePath, options);
res.set('Content-Type', 'application/x-bittorrent');
res.set('Content-Disposition', 'attachment; filename=' + config.meanTorrentConfig.announce.announce_prefix + req.torrent.torrent_filename);
res.set('Content-Length', stat.size);
res.send(benc.encode(torrent_data));
//res.writeHead(200, {
// 'Content-Type': 'application/octet-stream',
// 'Content-Disposition': 'attachment; filename=' + config.meanTorrentConfig.announce.announce_prefix + req.torrent.torrent_filename,
// 'Content-Length': stat.size
//});
//fs.createReadStream(filePath).pipe(res);
})
.catch(function (err) {
res.status(422).send(err);
});
} else {
res.status(422).send({
message: 'FILE_DOES_NOT_EXISTS'
});
}
});
function getTorrentFileData(file) {
return new Promise(function (resolve, reject) {
nt.read(file, function (err, torrent) {
var message = '';
if (err) {
message = 'Read torrent file faild';
reject(message);
} else {
if (!config.meanTorrentConfig.announce.open_tracker) {
var announce = config.meanTorrentConfig.announce.url + '/' + req.user.passkey;
torrent.metadata.announce = announce;
}
torrent_data = torrent.metadata;
resolve();
}
});
});
}
};
/**
* create a torrent
* @param req
* @param res
*/
exports.create = function (req, res) {
var torrent = new Torrent(req.body);
torrent.user = req.user;
torrent.save(function (err) {
if (err) {
return res.status(422).send({
message: errorHandler.getErrorMessage(err)
});
} else {
res.json(torrent);
}
});
};
/**
* read a torrent
* @param req
* @param res
*/
exports.read = function (req, res) {
// convert mongoose document to JSON
var torrent = req.torrent ? req.torrent.toJSON() : {};
// Add a custom field to the Article, for determining if the current User is the "owner".
// NOTE: This field is NOT persisted to the database, since it doesn't exist in the Article model.
torrent.isCurrentUserOwner = !!(req.user && torrent.user && torrent.user._id.toString() === req.user._id.toString());
res.json(torrent);
};
/**
* update a torrent
* @param req
* @param res
*/
exports.update = function (req, res) {
var torrent = req.torrent;
torrent.info_hash = req.body.info_hash;
torrent.tmdb_id = req.body.tmdb_id;
// ********** add other fileds value ***************
torrent.save(function (err) {
if (err) {
return res.status(422).send({
message: errorHandler.getErrorMessage(err)
});
} else {
res.json(torrent);
}
});
};
/**
* setSaleType
* @param req
* @param res
*/
exports.setSaleType = function (req, res) {
var torrent = req.torrent;
if (req.params.saleType) {
var gbit = Math.ceil(torrent.torrent_size / config.meanTorrentConfig.torrentSalesType.expires.size);
torrent.torrent_sale_status = req.params.saleType;
torrent.torrent_sale_expires = Date.now() + gbit * config.meanTorrentConfig.torrentSalesType.expires.time;
torrent.save(function (err) {
if (err) {
return res.status(422).send({
message: errorHandler.getErrorMessage(err)
});
} else {
res.json(torrent);
}
});
} else {
return res.status(422).send({
message: 'params saleType error'
});
}
};
/**
* setReviewedStatus
* @param req
* @param res
* @returns {*}
*/
exports.setReviewedStatus = function (req, res) {
var torrent = req.torrent;
torrent.torrent_status = 'reviewed';
torrent.save(function (err) {
if (err) {
return res.status(422).send({
message: errorHandler.getErrorMessage(err)
});
} else {
res.json(torrent);
}
});
};
/**
* delete a torrent
* @param req
* @param res
*/
exports.delete = function (req, res) {
var torrent = req.torrent;
torrent.remove(function (err) {
if (err) {
return res.status(422).send({
message: errorHandler.getErrorMessage(err)
});
} else {
res.json(torrent);
}
});
};
/**
* list all torrents
* @param req
* @param res
*/
exports.list = function (req, res) {
var skip = 0;
var limit = 0;
var status = 'reviewed';
var stype = 'movie';
var release = undefined;
var tagsA = [];
var keysA = [];
if (req.query.skip !== undefined) {
skip = parseInt(req.query.skip, 10);
}
if (req.query.limit !== undefined) {
limit = parseInt(req.query.limit, 10);
}
if (req.query.torrent_status !== undefined) {
status = req.query.torrent_status;
}
if (req.query.torrent_type !== undefined) {
stype = req.query.torrent_type;
}
if (req.query.torrent_release !== undefined) {
release = req.query.torrent_release;
}
if (req.query.torrent_tags !== undefined) {
var tagsS = req.query.torrent_tags + '';
var tagsT = tagsS.split(',');
tagsT.forEach(function (it) {
tagsA.push(it + '');
});
}
if (req.query.keys !== undefined && req.query.keys.length > 0) {
var keysS = req.query.keys + '';
var keysT = keysS.split(' ');
keysT.forEach(function (it) {
if (!isNaN(it)) {
if (it > 1900 && it < 2050) {
release = it;
}
} else {
var ti = new RegExp(it, 'i');
keysA.push(ti);
}
});
}
var condition = {};
if (status !== 'all') {
condition.torrent_status = status;
}
if (stype !== 'all') {
condition.torrent_type = stype;
}
if (tagsA.length > 0) {
condition.torrent_tags = {$all: tagsA};
}
if (release !== undefined) {
condition.torrent_release = release;
}
if (keysA.length > 0) {
condition.$or = [
{torrent_filename: {'$all': keysA}},
{torrent_title: {'$all': keysA}},
{torrent_original_title: {'$all': keysA}}
];
}
console.log(JSON.stringify(condition));
var countQuery = function (callback) {
Torrent.count(condition, function (err, count) {
if (err) {
callback(err, null);
} else {
callback(null, count);
}
});
};
var findQuery = function (callback) {
Torrent.find(condition)
.sort('-createdat')
.populate('user', 'displayName')
.skip(skip)
.limit(limit)
.exec(function (err, torrents) {
if (err) {
callback(err, null);
} else {
callback(null, torrents);
}
});
};
async.parallel([countQuery, findQuery], function (err, results) {
if (err) {
return res.status(422).send(err);
} else {
res.json({rows: results[1], total: results[0]});
}
});
};
/**
* Torrent middleware
*/
exports.torrentByID = function (req, res, next, id) {
if (!mongoose.Types.ObjectId.isValid(id)) {
return res.status(400).send({
message: 'TORRENT_ID_INVALID'
});
}
var findTorrents = function (callback) {
Torrent.findById(id)
.populate('user', 'displayName profileImageURL')
.populate({
path: '_replies.user',
select: 'displayName profileImageURL uploaded downloaded',
model: 'User'
})
.populate({
path: '_replies._replies.user',
select: 'displayName profileImageURL uploaded downloaded',
model: 'User'
})
.populate({
path: '_subtitles',
populate: {
path: 'user',
select: 'displayName profileImageURL'
}
})
.populate({
path: '_peers',
populate: {
path: 'user',
select: 'displayName profileImageURL'
}
})
.exec(function (err, torrent) {
if (err) {
callback(err);
} else if (!torrent) {
callback(new Error('No torrent with that id has been found'));
}
callback(null, torrent);
});
};
var findOtherTorrents = function (torrent, callback) {
var condition = {};
condition.torrent_status = 'reviewed';
condition.torrent_type = 'movie';
condition.torrent_tmdb_id = torrent.torrent_tmdb_id;
console.log(condition);
var fields = 'user torrent_filename torrent_release torrent_tags torrent_seeds torrent_leechers torrent_finished torrent_size torrent_sale_status torrent_sale_expires createdat';
Torrent.find(condition, fields)
.sort('-createdat')
.populate('user', 'displayName')
.exec(function (err, torrents) {
if (err) {
callback(err);
} else {
torrent._other_torrents.splice(0, torrent._other_torrents.length);
torrents.forEach(function (t) {
if (!t._id.equals(torrent._id)) {
torrent._other_torrents.push(t.toJSON());
}
});
callback(null, torrent);
}
});
};
async.waterfall([findTorrents, findOtherTorrents], function (err, torrent) {
if (err) {
next(err);
} else {
req.torrent = torrent;
next();
}
});
};