pdf-printer
Version:
weasyprint-based HTTP service and client libraries
86 lines (73 loc) • 2.43 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 Path = require( "path" );
const File = require( "fs" );
/**
* Implements filter rejecting any request lacking proper API key.
*
* @param {object} app
* @returns {Promise}
*/
module.exports = function( app ) {
return new Promise( ( resolve, reject ) => {
File.readFile( process.env.KEYS_FILE || Path.join( __dirname, "keys.lst" ), ( error, content ) => {
let keys = {};
if ( error ) {
if ( error.code === "ENOENT" ) {
keys = null;
} else {
return reject( error );
}
}
if ( keys ) {
content.toString( "utf8" )
.split( "/(?:\r?\n)+/" )
.forEach( line => {
line = line.replace( /\s+/g, "" );
if ( line.length > 0 && line[0] !== "#" ) {
if ( line[0] === "!" ) {
keys[line.substr( 1 )] = false;
} else {
keys[line] = true;
}
}
} );
app.use( function( req, res, next ) {
const key = String( req.get( "x-api-key" ) || "" ).trim();
if ( !keys.hasOwnProperty( key ) || !keys[key] ) {
next( Object.assign( new Error( "missing valid API key" ), { httpCode: 403 } ) );
} else {
next();
}
} );
}
resolve();
} );
} );
};