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/**
* Data Handler
* Belongs to Decentraleyes.
*
* @author Thomas Rientjes
* @since 2014-05-30
* @license MPL 2.0
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/.
*/
'use strict';
/**
* Imports
*/
var { Cc, Ci } = require('chrome');
var files = require('./files');
var self = require('sdk/self');
var resourceData = self.data;
var version = self.version;
var ioService = Cc['@mozilla.org/network/io-service;1']
.getService(Ci.nsIIOService);
/**
* Public Methods
*/
function getRedirectionURI (targetPath, characterSet, type) {
var data, dataURI, redirectionURI;
data = loadResource(targetPath);
dataURI = buildDataURI(type, characterSet, data);
redirectionURI = ioService.newURI(dataURI, null, null);
return redirectionURI;
}
/**
* Exports
*/
exports.getRedirectionURI = getRedirectionURI;
/**
* Private Methods
*/
function loadResource (targetPath) {
var resource;
// Find the result inside a static path index.
if (files.indexOf(targetPath) == -1) {
throw 'The requested resource is missing.';
}
try { // Attempt to load resource contents.
resource = resourceData.load(targetPath);
} catch (exception) {
throw exception;
}
return resource;
}
function buildDataURI (type, characterSet, data) {
var addNotice, dataURI, notice;
addNotice = require('sdk/simple-prefs').prefs.addNotice;
dataURI = 'data:' + type + ';charset=' + characterSet + ',';
notice = '/**\n * Local delivery by Decentraleyes (' + version + ').\n */\n\n';
if (!addNotice) {
dataURI = dataURI + encodeURIComponent(data);
} else {
dataURI = dataURI + encodeURIComponent(notice + data);
}
return dataURI;
}