pdf-printer
Version:
weasyprint-based HTTP service and client libraries
62 lines (53 loc) • 2.02 kB
JavaScript
/**
* (c) 2017 cepharum GmbH, Berlin, http://cepharum.de
*
* The MIT License (MIT)
*
* Copyright (c) 2017 cepharum GmbH
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* @author: cepharum
*/
;
const OS = require( "os" );
const Path = require( "path" );
const File = require( "fs" );
/**
* Implements filter ensuring to have a common temporary folder dedicated to
* current process.
*
* @param {object} app
* @returns {Promise} promises having injected middleware managing access on temporary folder
*/
module.exports = function( app ) {
return new Promise( ( resolve, reject ) => {
File.mkdtemp( Path.join( OS.tmpdir(), "pdf-printer-" ), ( error, pathName ) => {
if ( error || !pathName ) {
return reject( new Error( "cannot create temporary folder" ) );
}
console.log( `using ${pathName} for temporary files` );
app.use( function( req, res, next ) {
req.ourTempFolder = pathName;
next();
} );
resolve();
} );
} );
};