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Diffstat (limited to 'toolkit/components/webextensions/test/mochitest/head_webrequest.js')
| -rw-r--r-- | toolkit/components/webextensions/test/mochitest/head_webrequest.js | 331 |
1 files changed, 331 insertions, 0 deletions
diff --git a/toolkit/components/webextensions/test/mochitest/head_webrequest.js b/toolkit/components/webextensions/test/mochitest/head_webrequest.js new file mode 100644 index 000000000..96924e505 --- /dev/null +++ b/toolkit/components/webextensions/test/mochitest/head_webrequest.js @@ -0,0 +1,331 @@ +"use strict"; + +let commonEvents = { + "onBeforeRequest": [{urls: ["<all_urls>"]}, ["blocking"]], + "onBeforeSendHeaders": [{urls: ["<all_urls>"]}, ["blocking", "requestHeaders"]], + "onSendHeaders": [{urls: ["<all_urls>"]}, ["requestHeaders"]], + "onBeforeRedirect": [{urls: ["<all_urls>"]}], + "onHeadersReceived": [{urls: ["<all_urls>"]}, ["blocking", "responseHeaders"]], + "onResponseStarted": [{urls: ["<all_urls>"]}], + "onCompleted": [{urls: ["<all_urls>"]}, ["responseHeaders"]], + "onErrorOccurred": [{urls: ["<all_urls>"]}], +}; + +function background(events) { + let expect; + let ignore; + let defaultOrigin; + + browser.test.onMessage.addListener((msg, expected) => { + if (msg !== "set-expected") { + return; + } + expect = expected.expect; + defaultOrigin = expected.origin; + ignore = expected.ignore; + let promises = []; + // Initialize some stuff we'll need in the tests. + for (let entry of Object.values(expect)) { + // a place for the test infrastructure to store some state. + entry.test = {}; + // Each entry in expected gets a Promise that will be resolved in the + // last event for that entry. This will either be onCompleted, or the + // last entry if an events list was provided. + promises.push(new Promise(resolve => { entry.test.resolve = resolve; })); + // If events was left undefined, we're expecting all normal events we're + // listening for, exclude onBeforeRedirect and onErrorOccurred + if (entry.events === undefined) { + entry.events = Object.keys(events).filter(name => name != "onErrorOccurred" && name != "onBeforeRedirect"); + } + if (entry.optional_events === undefined) { + entry.optional_events = []; + } + } + // When every expected entry has finished our test is done. + Promise.all(promises).then(() => { + browser.test.sendMessage("done"); + }); + browser.test.sendMessage("continue"); + }); + + // Retrieve the per-file/test expected values. + function getExpected(details) { + let url = new URL(details.url); + let filename; + if (url.protocol == "data:") { + // pathname is everything after protocol. + filename = url.pathname; + } else { + filename = url.pathname.split("/").pop(); + } + if (ignore && ignore.includes(filename)) { + return; + } + let expected = expect[filename]; + if (!expected) { + browser.test.fail(`unexpected request ${filename}`); + return; + } + // Save filename for redirect verification. + expected.test.filename = filename; + return expected; + } + + // Process any test header modifications that can happen in request or response phases. + // If a test includes headers, it needs a complete header object, no undefined + // objects even if empty: + // request: { + // add: {"HeaderName": "value",}, + // modify: {"HeaderName": "value",}, + // remove: ["HeaderName",], + // }, + // response: { + // add: {"HeaderName": "value",}, + // modify: {"HeaderName": "value",}, + // remove: ["HeaderName",], + // }, + function processHeaders(phase, expected, details) { + // This should only happen once per phase [request|response]. + browser.test.assertFalse(!!expected.test[phase], `First processing of headers for ${phase}`); + expected.test[phase] = true; + + let headers = details[`${phase}Headers`]; + browser.test.assertTrue(Array.isArray(headers), `${phase}Headers array present`); + + let {add, modify, remove} = expected.headers[phase]; + + for (let name in add) { + browser.test.assertTrue(!headers.find(h => h.name === name), `header ${name} to be added not present yet in ${phase}Headers`); + let header = {name: name}; + if (name.endsWith("-binary")) { + header.binaryValue = Array.from(add[name], c => c.charCodeAt(0)); + } else { + header.value = add[name]; + } + headers.push(header); + } + + let modifiedAny = false; + for (let header of headers) { + if (header.name.toLowerCase() in modify) { + header.value = modify[header.name.toLowerCase()]; + modifiedAny = true; + } + } + browser.test.assertTrue(modifiedAny, `at least one ${phase}Headers element to modify`); + + let deletedAny = false; + for (let j = headers.length; j-- > 0;) { + if (remove.includes(headers[j].name.toLowerCase())) { + headers.splice(j, 1); + deletedAny = true; + } + } + browser.test.assertTrue(deletedAny, `at least one ${phase}Headers element to delete`); + + return headers; + } + + // phase is request or response. + function checkHeaders(phase, expected, details) { + if (!/^https?:/.test(details.url)) { + return; + } + + let headers = details[`${phase}Headers`]; + browser.test.assertTrue(Array.isArray(headers), `valid ${phase}Headers array`); + + let {add, modify, remove} = expected.headers[phase]; + for (let name in add) { + let value = headers.find(h => h.name.toLowerCase() === name.toLowerCase()).value; + browser.test.assertEq(value, add[name], `header ${name} correctly injected in ${phase}Headers`); + } + + for (let name in modify) { + let value = headers.find(h => h.name.toLowerCase() === name.toLowerCase()).value; + browser.test.assertEq(value, modify[name], `header ${name} matches modified value`); + } + + for (let name of remove) { + let found = headers.find(h => h.name.toLowerCase() === name.toLowerCase()); + browser.test.assertFalse(!!found, `deleted header ${name} still found in ${phase}Headers`); + } + } + + function getListener(name) { + return details => { + let result = {}; + browser.test.log(`${name} ${details.requestId} ${details.url}`); + let expected = getExpected(details); + if (!expected) { + return result; + } + let expectedEvent = expected.events[0] == name; + if (expectedEvent) { + expected.events.shift(); + } else { + expectedEvent = expected.optional_events[0] == name; + if (expectedEvent) { + expected.optional_events.shift(); + } + } + browser.test.assertTrue(expectedEvent, `received ${name}`); + browser.test.assertEq(expected.type, details.type, "resource type is correct"); + browser.test.assertEq(expected.origin || defaultOrigin, details.originUrl, "origin is correct"); + + if (name == "onBeforeRequest") { + // Save some values to test request consistency in later events. + browser.test.assertTrue(details.tabId !== undefined, `tabId ${details.tabId}`); + browser.test.assertTrue(details.requestId !== undefined, `requestId ${details.requestId}`); + // Validate requestId if it's already set, this happens with redirects. + if (expected.test.requestId !== undefined) { + browser.test.assertEq("string", typeof expected.test.requestId, `requestid ${expected.test.requestId} is string`); + browser.test.assertEq("string", typeof details.requestId, `requestid ${details.requestId} is string`); + browser.test.assertEq("number", typeof parseInt(details.requestId, 10), "parsed requestid is number"); + browser.test.assertNotEq(expected.test.requestId, details.requestId, + `last requestId ${expected.test.requestId} different from this one ${details.requestId}`); + } else { + // Save any values we want to validate in later events. + expected.test.requestId = details.requestId; + expected.test.tabId = details.tabId; + } + // Tests we don't need to do every event. + browser.test.assertTrue(details.type.toUpperCase() in browser.webRequest.ResourceType, `valid resource type ${details.type}`); + if (details.type == "main_frame") { + browser.test.assertEq(0, details.frameId, "frameId is zero when type is main_frame bug 1329299"); + } + } else { + // On events after onBeforeRequest, check the previous values. + browser.test.assertEq(expected.test.requestId, details.requestId, "correct requestId"); + browser.test.assertEq(expected.test.tabId, details.tabId, "correct tabId"); + } + if (name == "onBeforeSendHeaders") { + if (expected.headers && expected.headers.request) { + result.requestHeaders = processHeaders("request", expected, details); + } + if (expected.redirect) { + browser.test.log(`${name} redirect request`); + result.redirectUrl = details.url.replace(expected.test.filename, expected.redirect); + } + } + if (name == "onSendHeaders") { + if (expected.headers && expected.headers.request) { + checkHeaders("request", expected, details); + } + } + if (name == "onHeadersReceived") { + browser.test.assertEq(expected.status || 200, details.statusCode, + `expected HTTP status received for ${details.url}`); + if (expected.headers && expected.headers.response) { + result.responseHeaders = processHeaders("response", expected, details); + } + } + if (name == "onCompleted") { + // If we have already completed a GET request for this url, + // and it was found, we expect for the response to come fromCache. + // expected.cached may be undefined, force boolean. + let expectCached = !!expected.cached && details.method === "GET" && details.statusCode != 404; + browser.test.assertEq(expectCached, details.fromCache, "fromCache is correct"); + // We can only tell IPs for non-cached HTTP requests. + if (!details.fromCache && /^https?:/.test(details.url)) { + browser.test.assertEq("127.0.0.1", details.ip, `correct ip for ${details.url}`); + } + if (expected.headers && expected.headers.response) { + checkHeaders("response", expected, details); + } + } + + if (expected.cancel && expected.cancel == name) { + browser.test.log(`${name} cancel request`); + browser.test.sendMessage("cancelled"); + result.cancel = true; + } + // If we've used up all the events for this test, resolve the promise. + // If something wrong happens and more events come through, there will be + // failures. + if (expected.events.length <= 0) { + expected.test.resolve(); + } + return result; + }; + } + + for (let [name, args] of Object.entries(events)) { + browser.test.log(`adding listener for ${name}`); + try { + browser.webRequest[name].addListener(getListener(name), ...args); + } catch (e) { + browser.test.assertTrue(/\brequestBody\b/.test(e.message), + "Request body is unsupported"); + + // RequestBody is disabled in release builds. + if (!/\brequestBody\b/.test(e.message)) { + throw e; + } + + args.splice(args.indexOf("requestBody"), 1); + browser.webRequest[name].addListener(getListener(name), ...args); + } + } +} + +/* exported makeExtension */ + +function makeExtension(events = commonEvents) { + return ExtensionTestUtils.loadExtension({ + manifest: { + permissions: [ + "webRequest", + "webRequestBlocking", + "<all_urls>", + ], + }, + background: `(${background})(${JSON.stringify(events)})`, + }); +} + +/* exported addStylesheet */ + +function addStylesheet(file) { + let link = document.createElement("link"); + link.setAttribute("rel", "stylesheet"); + link.setAttribute("href", file); + document.body.appendChild(link); +} + +/* exported addLink */ + +function addLink(file) { + let a = document.createElement("a"); + a.setAttribute("href", file); + a.setAttribute("target", "_blank"); + document.body.appendChild(a); + return a; +} + +/* exported addImage */ + +function addImage(file) { + let img = document.createElement("img"); + img.setAttribute("src", file); + document.body.appendChild(img); +} + +/* exported addScript */ + +function addScript(file) { + let script = document.createElement("script"); + script.setAttribute("type", "text/javascript"); + script.setAttribute("src", file); + document.getElementsByTagName("head").item(0).appendChild(script); +} + +/* exported addFrame */ + +function addFrame(file) { + let frame = document.createElement("iframe"); + frame.setAttribute("width", "200"); + frame.setAttribute("height", "200"); + frame.setAttribute("src", file); + document.body.appendChild(frame); +} |