117 lines
2.9 KiB
JavaScript
117 lines
2.9 KiB
JavaScript
|
/**
|
||
|
|
* Handles the export requests
|
||
|
|
*/
|
||
|
|
|
||
|
|
/*
|
||
|
|
* 2011 Peter 'Pita' Martischka
|
||
|
|
*
|
||
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
|
* you may not use this file except in compliance with the License.
|
||
|
|
* You may obtain a copy of the License at
|
||
|
|
*
|
||
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
*
|
||
|
|
* Unless required by applicable law or agreed to in writing, software
|
||
|
|
* distributed under the License is distributed on an "AS-IS" BASIS,
|
||
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
|
* See the License for the specific language governing permissions and
|
||
|
|
* limitations under the License.
|
||
|
|
*/
|
||
|
|
|
||
|
|
var exporthtml = require("./exporters/exporthtml");
|
||
|
|
var padManager = require("./PadManager");
|
||
|
|
var async = require("async");
|
||
|
|
var fs = require("fs");
|
||
|
|
var settings = require('./settings');
|
||
|
|
|
||
|
|
//load abiword only if its enabled
|
||
|
|
if(settings.abiword != null)
|
||
|
|
var abiword = require("./Abiword");
|
||
|
|
|
||
|
|
/**
|
||
|
|
* do a requested export
|
||
|
|
*/
|
||
|
|
exports.doExport = function(req, res, padId, type)
|
||
|
|
{
|
||
|
|
//tell the browser that this is a downloadable file
|
||
|
|
res.attachment(padId + "." + type);
|
||
|
|
|
||
|
|
//if this is a plain text export, we can do this directly
|
||
|
|
if(type == "txt")
|
||
|
|
{
|
||
|
|
padManager.getPad(padId, function(err, pad)
|
||
|
|
{
|
||
|
|
if(err)
|
||
|
|
throw err;
|
||
|
|
|
||
|
|
res.send(pad.text());
|
||
|
|
});
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
var html;
|
||
|
|
var randNum;
|
||
|
|
var srcFile, destFile;
|
||
|
|
|
||
|
|
async.series([
|
||
|
|
//render the html document
|
||
|
|
function(callback)
|
||
|
|
{
|
||
|
|
exporthtml.getPadHTMLDocument(padId, null, false, function(err, _html)
|
||
|
|
{
|
||
|
|
html = _html;
|
||
|
|
callback(err);
|
||
|
|
});
|
||
|
|
},
|
||
|
|
//decide what to do with the html export
|
||
|
|
function(callback)
|
||
|
|
{
|
||
|
|
//if this is a html export, we can send this from here directly
|
||
|
|
if(type == "html")
|
||
|
|
{
|
||
|
|
res.send(html);
|
||
|
|
callback("stop");
|
||
|
|
}
|
||
|
|
//write the html export to a file
|
||
|
|
else
|
||
|
|
{
|
||
|
|
randNum = Math.floor(Math.random()*new Date().getTime());
|
||
|
|
srcFile = "/tmp/eplite_export_" + randNum + ".html";
|
||
|
|
fs.writeFile(srcFile, html, callback);
|
||
|
|
}
|
||
|
|
},
|
||
|
|
//send the convert job to abiword
|
||
|
|
function(callback)
|
||
|
|
{
|
||
|
|
//ensure html can be collected by the garbage collector
|
||
|
|
html = null;
|
||
|
|
|
||
|
|
destFile = "/tmp/eplite_export_" + randNum + "." + type;
|
||
|
|
abiword.convertFile(srcFile, destFile, type, callback);
|
||
|
|
},
|
||
|
|
//send the file
|
||
|
|
function(callback)
|
||
|
|
{
|
||
|
|
res.sendfile(destFile, null, callback);
|
||
|
|
},
|
||
|
|
//clean up temporary files
|
||
|
|
function(callback)
|
||
|
|
{
|
||
|
|
async.parallel([
|
||
|
|
function(callback)
|
||
|
|
{
|
||
|
|
fs.unlink(srcFile, callback);
|
||
|
|
},
|
||
|
|
function(callback)
|
||
|
|
{
|
||
|
|
fs.unlink(destFile, callback);
|
||
|
|
}
|
||
|
|
], callback);
|
||
|
|
}
|
||
|
|
], function(err)
|
||
|
|
{
|
||
|
|
if(err && err != "stop") throw err;
|
||
|
|
})
|
||
|
|
}
|
||
|
|
};
|