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/*
* Description of the tests:
* These tests check for conformance to the CSP spec as they relate to Web Manifests.
*
* In particular, the tests check that default-src and manifest-src directives are
* are respected by the ManifestObtainer.
*/
/*globals Cu, is, ok*/
"use strict";
const {
ManifestObtainer
} = Cu.import("resource://gre/modules/ManifestObtainer.jsm", {});
const path = "/tests/dom/security/test/csp/";
const testFile = `${path}file_web_manifest.html`;
const remoteFile = `${path}file_web_manifest_remote.html`;
const httpsManifest = `${path}file_web_manifest_https.html`;
const server = `${path}file_testserver.sjs`;
const defaultURL = new URL(`http://example.org${server}`);
const secureURL = new URL(`https://example.com:443${server}`);
const tests = [
// CSP block everything, so trying to load a manifest
// will result in a policy violation.
{
expected: "default-src 'none' blocks fetching manifest.",
get tabURL() {
const url = new URL(defaultURL);
url.searchParams.append("file", testFile);
url.searchParams.append("csp", "default-src 'none'");
return url.href;
},
run(topic) {
is(topic, "csp-on-violate-policy", this.expected);
}
},
// CSP allows fetching only from mochi.test:8888,
// so trying to load a manifest from same origin
// triggers a CSP violation.
{
expected: "default-src mochi.test:8888 blocks manifest fetching.",
get tabURL() {
const url = new URL(defaultURL);
url.searchParams.append("file", testFile);
url.searchParams.append("csp", "default-src mochi.test:8888");
return url.href;
},
run(topic) {
is(topic, "csp-on-violate-policy", this.expected);
}
},
// CSP restricts fetching to 'self', so allowing the manifest
// to load. The name of the manifest is then checked.
{
expected: "CSP default-src 'self' allows fetch of manifest.",
get tabURL() {
const url = new URL(defaultURL);
url.searchParams.append("file", testFile);
url.searchParams.append("csp", "default-src 'self'");
return url.href;
},
run(manifest) {
is(manifest.name, "loaded", this.expected);
}
},
// CSP only allows fetching from mochi.test:8888 and remoteFile
// requests a manifest from that origin, so manifest should load.
{
expected: "CSP default-src mochi.test:8888 allows fetching manifest.",
get tabURL() {
const url = new URL(defaultURL);
url.searchParams.append("file", remoteFile);
url.searchParams.append("csp", "default-src http://mochi.test:8888");
return url.href;
},
run(manifest) {
is(manifest.name, "loaded", this.expected);
}
},
// default-src blocks everything, so any attempt to
// fetch a manifest from another origin will trigger a
// policy violation.
{
expected: "default-src 'none' blocks mochi.test:8888",
get tabURL() {
const url = new URL(defaultURL);
url.searchParams.append("file", remoteFile);
url.searchParams.append("csp", "default-src 'none'");
return url.href;
},
run(topic) {
is(topic, "csp-on-violate-policy", this.expected);
}
},
// CSP allows fetching from self, so manifest should load.
{
expected: "CSP manifest-src allows self",
get tabURL() {
const url = new URL(defaultURL);
url.searchParams.append("file", testFile);
url.searchParams.append("csp", "manifest-src 'self'");
return url.href;
},
run(manifest) {
is(manifest.name, "loaded", this.expected);
}
},
// CSP allows fetching from example.org, so manifest should load.
{
expected: "CSP manifest-src allows http://example.org",
get tabURL() {
const url = new URL(defaultURL);
url.searchParams.append("file", testFile);
url.searchParams.append("csp", "manifest-src http://example.org");
return url.href;
},
run(manifest) {
is(manifest.name, "loaded", this.expected);
}
}, {
expected: "CSP manifest-src allows mochi.test:8888",
get tabURL() {
const url = new URL(defaultURL);
url.searchParams.append("file", remoteFile);
url.searchParams.append("cors", "*");
url.searchParams.append("csp", "default-src *; manifest-src http://mochi.test:8888");
return url.href;
},
run(manifest) {
is(manifest.name, "loaded", this.expected);
}
},
// CSP restricts fetching to mochi.test:8888, but the test
// file is at example.org. Hence, a policy violation is
// triggered.
{
expected: "CSP blocks manifest fetching from example.org.",
get tabURL() {
const url = new URL(defaultURL);
url.searchParams.append("file", testFile);
url.searchParams.append("csp", "manifest-src mochi.test:8888");
return url.href;
},
run(topic) {
is(topic, "csp-on-violate-policy", this.expected);
}
},
// CSP is set to only allow manifest to be loaded from same origin,
// but the remote file attempts to load from a different origin. Thus
// this causes a CSP violation.
{
expected: "CSP manifest-src 'self' blocks cross-origin fetch.",
get tabURL() {
const url = new URL(defaultURL);
url.searchParams.append("file", remoteFile);
url.searchParams.append("csp", "manifest-src 'self'");
return url.href;
},
run(topic) {
is(topic, "csp-on-violate-policy", this.expected);
}
},
// CSP allows fetching over TLS from example.org, so manifest should load.
{
expected: "CSP manifest-src allows example.com over TLS",
get tabURL() {
// secureURL loads https://example.com:443
// and gets manifest from https://example.org:443
const url = new URL(secureURL);
url.searchParams.append("file", httpsManifest);
url.searchParams.append("cors", "*");
url.searchParams.append("csp", "manifest-src https://example.com:443");
return url.href;
},
run(manifest) {
is(manifest.name, "loaded", this.expected);
}
},
];
//jscs:disable
add_task(function* () {
//jscs:enable
const testPromises = tests.map((test) => {
const tabOptions = {
gBrowser,
url: test.tabURL,
skipAnimation: true,
};
return BrowserTestUtils.withNewTab(tabOptions, (browser) => testObtainingManifest(browser, test));
});
yield Promise.all(testPromises);
});
function* testObtainingManifest(aBrowser, aTest) {
const waitForObserver = waitForNetObserver(aTest);
// Expect an exception (from promise rejection) if there a content policy
// that is violated.
try {
const manifest = yield ManifestObtainer.browserObtainManifest(aBrowser);
aTest.run(manifest);
} catch (e) {
const wasBlocked = e.message.includes("NetworkError when attempting to fetch resource");
ok(wasBlocked, `Expected promise rejection obtaining ${aTest.tabURL}: ${e.message}`);
} finally {
yield waitForObserver;
}
}
// Helper object used to observe policy violations when blocking is expected.
function waitForNetObserver(aTest) {
return new Promise((resolve) => {
// We don't need to wait for violation, so just resolve
if (!aTest.expected.includes("block")){
return resolve();
}
const observer = {
observe(subject, topic) {
SpecialPowers.removeObserver(observer, "csp-on-violate-policy");
aTest.run(topic);
resolve();
},
};
SpecialPowers.addObserver(observer, "csp-on-violate-policy", false);
});
}
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