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| "use strict";
var fs = require('fs');
var path = require('path');
var async = require('async');
var nconf = require('nconf');
var validator = require('validator');
var winston = require('winston');
var mime = require('mime');
var meta = require('../meta');
var file = require('../file');
var plugins = require('../plugins');
var image = require('../image');
var uploadsController = {};
uploadsController.upload = function(req, res, filesIterator) {
var files = req.files.files;
if (!req.user && meta.config.allowGuestUploads !== '1') {
deleteTempFiles(files);
return res.status(403).json('[[error:guest-upload-disabled]]');
}
if (!Array.isArray(files)) {
return res.status(500).json('invalid files');
}
if (Array.isArray(files[0])) {
files = files[0];
}
async.map(files, filesIterator, function(err, images) {
deleteTempFiles(files);
if (err) {
return res.status(500).send(err.message);
}
// IE8 - send it as text/html so browser won't trigger a file download for the json response
// malsup.com/jquery/form/#file-upload
res.status(200).send(req.xhr ? images : JSON.stringify(images));
});
};
uploadsController.uploadPost = function(req, res, next) {
uploadsController.upload(req, res, function(uploadedFile, next) {
var isImage = uploadedFile.type.match(/image./);
if (isImage && plugins.hasListeners('filter:uploadImage')) {
return plugins.fireHook('filter:uploadImage', {image: uploadedFile, uid: req.uid}, next);
}
async.waterfall([
function(next) {
if (isImage) {
file.isFileTypeAllowed(uploadedFile.path, next);
} else {
next();
}
},
function (next) {
if (parseInt(meta.config.allowFileUploads, 10) !== 1) {
return next(new Error('[[error:uploads-are-disabled]]'));
}
uploadFile(req.uid, uploadedFile, next);
},
function(fileObj, next) {
if (!isImage || parseInt(meta.config.maximumImageWidth, 10) === 0) {
// Not an image, or resizing disabled. No need to resize.
return next(null, fileObj);
}
resizeImage(fileObj, next);
}
], next);
}, next);
};
function resizeImage(fileObj, callback) {
var fullPath;
async.waterfall([
function(next) {
fullPath = path.join(nconf.get('base_dir'), nconf.get('upload_path'), '..', fileObj.url);
image.load(fullPath, next);
},
function (imageData, next) {
if (imageData.width < parseInt(meta.config.maximumImageWidth, 10) || 760) {
return callback(null, fileObj);
}
var dirname = path.dirname(fullPath);
var extname = path.extname(fullPath);
var basename = path.basename(fullPath, extname);
image.resizeImage({
path: fullPath,
target: path.join(dirname, basename + '-resized' + extname),
extension: extname,
width: parseInt(meta.config.maximumImageWidth, 10) || 760
}, next);
},
function (next) {
// Return the resized version to the composer/postData
var dirname = path.dirname(fileObj.url);
var extname = path.extname(fileObj.url);
var basename = path.basename(fileObj.url, extname);
fileObj.url = path.join(dirname, basename + '-resized' + extname);
next(null, fileObj);
}
], callback);
}
uploadsController.uploadThumb = function(req, res, next) {
if (parseInt(meta.config.allowTopicsThumbnail, 10) !== 1) {
deleteTempFiles(req.files.files);
return next(new Error('[[error:topic-thumbnails-are-disabled]]'));
}
uploadsController.upload(req, res, function(uploadedFile, next) {
file.isFileTypeAllowed(uploadedFile.path, function(err) {
if (err) {
return next(err);
}
if (!uploadedFile.type.match(/image./)) {
return next(new Error('[[error:invalid-file]]'));
}
var size = parseInt(meta.config.topicThumbSize, 10) || 120;
image.resizeImage({
path: uploadedFile.path,
extension: path.extname(uploadedFile.name),
width: size,
height: size
}, function(err) {
if (err) {
return next(err);
}
if (plugins.hasListeners('filter:uploadImage')) {
return plugins.fireHook('filter:uploadImage', {image: uploadedFile, uid: req.uid}, next);
}
uploadFile(req.uid, uploadedFile, next);
});
});
}, next);
};
uploadsController.uploadGroupCover = function(uid, uploadedFile, callback) {
if (plugins.hasListeners('filter:uploadImage')) {
return plugins.fireHook('filter:uploadImage', {image: uploadedFile, uid: uid}, callback);
}
if (plugins.hasListeners('filter:uploadFile')) {
return plugins.fireHook('filter:uploadFile', {file: uploadedFile, uid: uid}, callback);
}
file.isFileTypeAllowed(uploadedFile.path, function(err) {
if (err) {
return callback(err);
}
saveFileToLocal(uploadedFile, callback);
});
};
function uploadFile(uid, uploadedFile, callback) {
if (plugins.hasListeners('filter:uploadFile')) {
return plugins.fireHook('filter:uploadFile', {file: uploadedFile, uid: uid}, callback);
}
if (!uploadedFile) {
return callback(new Error('[[error:invalid-file]]'));
}
if (uploadedFile.size > parseInt(meta.config.maximumFileSize, 10) * 1024) {
return callback(new Error('[[error:file-too-big, ' + meta.config.maximumFileSize + ']]'));
}
if (meta.config.hasOwnProperty('allowedFileExtensions')) {
var allowed = file.allowedExtensions();
var extension = path.extname(uploadedFile.name);
if (!extension) {
extension = '.' + mime.extension(uploadedFile.type);
}
if (allowed.length > 0 && allowed.indexOf(extension) === -1) {
return callback(new Error('[[error:invalid-file-type, ' + allowed.join(', ') + ']]'));
}
}
saveFileToLocal(uploadedFile, callback);
}
function saveFileToLocal(uploadedFile, callback) {
var extension = path.extname(uploadedFile.name);
if (!extension) {
extension = '.' + mime.extension(uploadedFile.type);
}
var filename = uploadedFile.name || 'upload';
filename = Date.now() + '-' + validator.escape(filename.replace(extension, '')).substr(0, 255) + extension;
file.saveFileToLocal(filename, 'files', uploadedFile.path, function(err, upload) {
if (err) {
return callback(err);
}
callback(null, {
url: nconf.get('relative_path') + upload.url,
name: uploadedFile.name
});
});
}
function deleteTempFiles(files) {
async.each(files, function(file, next) {
fs.unlink(file.path, function(err) {
if (err) {
winston.error(err);
}
next();
});
});
}
module.exports = uploadsController;
|