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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Service worker used in ClearSiteDataThrottleBrowserTest.
// Handle all resource requests.
self.addEventListener('fetch', function(event) {
var url = new URL(event.request.url);
// If this is a request for 'resource_from_sw', serve that resource
// with a Clear-Site-Data header.
if (url.pathname.match('resource_from_sw')) {
event.respondWith(new Response(
'Response content is not important, only the header is.', {
'headers': { 'Clear-Site-Data': '"cookies"' }
}));
return;
}
// If this is a request for 'resource', let it through. It will be responded
// to by the test server.
if (url.pathname.match('resource'))
return;
// Otherwise, serve the default response - a simple HTML page that will
// execute the following function:
var response_script_body = function(url_search) {
// Parse the origin[1234] |url| parameters.
var origins = {};
for (var i = 1; i <= 4; i++) {
var origin_param_regex = new RegExp('origin' + i + '=([^&=?]+)');
origins[i] = decodeURIComponent(url_search.match(origin_param_regex)[1]);
}
// Prepare the test cases.
var resource_urls = [
origins[1] + 'resource',
origins[2] + 'resource_from_sw',
origins[3] + 'resource_from_sw',
origins[4] + 'resource',
origins[1] + 'resource_from_sw',
origins[2] + 'resource',
origins[3] + 'resource_from_sw',
origins[4] + 'another_resource_so_that_the_previous_one_isnt_reused',
];
var header = encodeURIComponent('"cookies"');
// Fetch all resources and report back to the C++ side by setting
// the document title.
var fetchResource = function(index) {
var img = new Image();
document.body.appendChild(img);
img.onload = img.onerror = function() {
if (index + 1 == resource_urls.length)
document.title = "done";
else
fetchResource(index + 1);
}
img.src = resource_urls[index] + "?header=" + header;
}
fetchResource(0);
}
// Return the code of |response_script_body| as the response.
event.respondWith(new Response(
'<html><head></head><body><script>' +
'(' + response_script_body.toString() + ')("' + url.search + '")' +
'</script></body></html>',
{ 'headers': { 'Content-Type': 'text/html' } }
));
});
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