Source code

Revision control

Copy as Markdown

Other Tools

/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/* Any copyright is dedicated to the Public Domain.
/**
* This script is loaded by "test_DownloadCore.js" and "test_DownloadLegacy.js"
* with different values of the gUseLegacySaver variable, to apply tests to both
* the "copy" and "legacy" saver implementations.
*/
/* import-globals-from head.js */
/* global gUseLegacySaver */
"use strict";
// Globals
const kDeleteTempFileOnExit = "browser.helperApps.deleteTempFileOnExit";
ChromeUtils.defineESModuleGetters(this, {
});
/**
* Creates and starts a new download, using either DownloadCopySaver or
* DownloadLegacySaver based on the current test run.
*
* @return {Promise}
* @resolves The newly created Download object. The download may be in progress
* or already finished. The promiseDownloadStopped function can be
* used to wait for completion.
* @rejects JavaScript exception.
*/
function promiseStartDownload(aSourceUrl) {
if (gUseLegacySaver) {
return promiseStartLegacyDownload(aSourceUrl);
}
return promiseNewDownload(aSourceUrl).then(download => {
download.start().catch(() => {});
return download;
});
}
/**
* Checks that the actual data written to disk matches the expected data as well
* as the properties of the given DownloadTarget object.
*
* @param downloadTarget
* The DownloadTarget object whose details have to be verified.
* @param expectedContents
* String containing the octets that are expected in the file.
*
* @return {Promise}
* @resolves When the properties have been verified.
* @rejects JavaScript exception.
*/
var promiseVerifyTarget = async function (downloadTarget, expectedContents) {
Assert.ok(downloadTarget.exists);
Assert.equal(
await expectNonZeroDownloadTargetSize(downloadTarget),
expectedContents.length
);
await promiseVerifyContents(downloadTarget.path, expectedContents);
};
/**
* This is a temporary workaround for frequent intermittent Bug 1760112.
* For some reason the download target size is not updated, even if the code
* is "apparently" already executing and awaiting for refresh().
* TODO(Bug 1814364): Figure out a proper fix for this.
*/
async function expectNonZeroDownloadTargetSize(downloadTarget) {
todo_check_true(downloadTarget.size, "Size should not be zero.");
if (!downloadTarget.size) {
await downloadTarget.refresh();
}
return downloadTarget.size;
}
/**
* Waits for an attempt to launch a file, and returns the nsIMIMEInfo used for
* the launch, or null if the file was launched with the default handler.
*/
function waitForFileLaunched() {
return new Promise(resolve => {
let waitFn = () => ({
launchFile(file, mimeInfo) {
Integration.downloads.unregister(waitFn);
if (
!mimeInfo ||
mimeInfo.preferredAction == Ci.nsIMIMEInfo.useSystemDefault
) {
resolve(null);
} else {
resolve(mimeInfo);
}
return Promise.resolve();
},
});
Integration.downloads.register(waitFn);
});
}
/**
* Waits for an attempt to show the directory where a file is located, and
* returns the path of the file.
*/
function waitForDirectoryShown() {
return new Promise(resolve => {
let waitFn = () => ({
showContainingDirectory(path) {
Integration.downloads.unregister(waitFn);
resolve(path);
return Promise.resolve();
},
});
Integration.downloads.register(waitFn);
});
}
// Tests
/**
* Executes a download and checks its basic properties after construction.
* The download is started by constructing the simplest Download object with
* the "copy" saver, or using the legacy nsITransfer interface.
*/
add_task(async function test_basic() {
let targetFile = getTempFile(TEST_TARGET_FILE_NAME);
let download;
if (!gUseLegacySaver) {
// When testing DownloadCopySaver, we have control over the download, thus
// we can check its basic properties before it starts.
download = await Downloads.createDownload({
source: { url: httpUrl("source.txt") },
target: { path: targetFile.path },
saver: { type: "copy" },
});
Assert.equal(download.source.url, httpUrl("source.txt"));
Assert.equal(download.target.path, targetFile.path);
await download.start();
} else {
// When testing DownloadLegacySaver, the download is already started when it
// is created, thus we must check its basic properties while in progress.
download = await promiseStartLegacyDownload(null, { targetFile });
Assert.equal(download.source.url, httpUrl("source.txt"));
Assert.equal(download.target.path, targetFile.path);
await promiseDownloadStopped(download);
}
// Check additional properties on the finished download.
Assert.equal(download.source.referrerInfo, null);
await promiseVerifyTarget(download.target, TEST_DATA_SHORT);
});
/**
* Executes a download with the tryToKeepPartialData property set, and ensures
* that the file is saved correctly. When testing DownloadLegacySaver, the
* download is executed using the nsIExternalHelperAppService component.
*/
add_task(async function test_basic_tryToKeepPartialData() {
let download = await promiseStartDownload_tryToKeepPartialData({
useLegacySaver: gUseLegacySaver,
});
continueResponses();
await promiseDownloadStopped(download);
// The target file should now have been created, and the ".part" file deleted.
await promiseVerifyTarget(download.target, TEST_DATA_SHORT + TEST_DATA_SHORT);
Assert.equal(false, await IOUtils.exists(download.target.partFilePath));
Assert.equal(32, download.saver.getSha256Hash().length);
});
/**
* Tests that the channelIsForDownload property is set for the network request,
* and that the request is marked as throttleable.
*/
add_task(async function test_channelIsForDownload_classFlags() {
let downloadChannel = null;
// We use a different method based on whether we are testing legacy downloads.
if (!gUseLegacySaver) {
let download = await Downloads.createDownload({
source: {
url: httpUrl("interruptible_resumable.txt"),
async adjustChannel(channel) {
downloadChannel = channel;
},
},
target: getTempFile(TEST_TARGET_FILE_NAME).path,
});
await download.start();
} else {
// Start a download using nsIExternalHelperAppService, but ensure it cannot
// finish before we retrieve the "request" property.
mustInterruptResponses();
let download = await promiseStartExternalHelperAppServiceDownload();
downloadChannel = download.saver.request;
continueResponses();
await promiseDownloadStopped(download);
}
Assert.ok(
downloadChannel.QueryInterface(Ci.nsIHttpChannelInternal)
.channelIsForDownload
);
// Throttleable is the only class flag assigned to downloads.
Assert.equal(
downloadChannel.QueryInterface(Ci.nsIClassOfService).classFlags,
Ci.nsIClassOfService.Throttleable
);
});
/**
* Tests the permissions of the final target file once the download finished.
*/
add_task(async function test_unix_permissions() {
// This test is only executed on some Desktop systems.
if (
Services.appinfo.OS != "Darwin" &&
Services.appinfo.OS != "Linux" &&
Services.appinfo.OS != "WINNT"
) {
info("Skipping test.");
return;
}
let launcherPath = getTempFile("app-launcher").path;
for (let autoDelete of [false, true]) {
for (let isPrivate of [false, true]) {
for (let launchWhenSucceeded of [false, true]) {
info(
"Checking " +
JSON.stringify({ autoDelete, isPrivate, launchWhenSucceeded })
);
Services.prefs.setBoolPref(kDeleteTempFileOnExit, autoDelete);
let download;
if (!gUseLegacySaver) {
download = await Downloads.createDownload({
source: { url: httpUrl("source.txt"), isPrivate },
target: getTempFile(TEST_TARGET_FILE_NAME).path,
launchWhenSucceeded,
launcherPath,
});
await download.start();
} else {
download = await promiseStartLegacyDownload(httpUrl("source.txt"), {
isPrivate,
launchWhenSucceeded,
launcherPath: launchWhenSucceeded && launcherPath,
});
await promiseDownloadStopped(download);
}
let isTemporary = launchWhenSucceeded && isPrivate;
let stat = await IOUtils.stat(download.target.path);
if (Services.appinfo.OS == "WINNT") {
// On Windows
// Temporary downloads should be read-only
Assert.equal(stat.permissions, isTemporary ? 0o444 : 0o666);
} else {
// On Linux, Mac
// Temporary downloads should be read-only and not accessible to other
// users, while permanently downloaded files should be readable and
// writable as specified by the system umask.
Assert.equal(
stat.permissions,
isTemporary ? 0o400 : 0o666 & ~Services.sysinfo.getProperty("umask")
);
}
}
}
}
// Clean up the changes to the preference.
Services.prefs.clearUserPref(kDeleteTempFileOnExit);
});
/**
* Tests the zone information of the final target once the download finished.
*/
add_task(async function test_windows_zoneInformation() {
// This test is only executed on Windows, and in order to work correctly it
// requires the local user applicaton data directory to be on an NTFS file
// system. We use this directory because it is more likely to be on the local
// system installation drive, while the temporary directory used by the test
// environment is on the same drive as the test sources.
if (Services.appinfo.OS != "WINNT") {
info("Skipping test.");
return;
}
let normalTargetFile = await IOUtils.getFile(
Services.dirsvc.get("LocalAppData", Ci.nsIFile).path,
"xpcshell-download-test.txt"
);
// The template file name lenght is more than MAX_PATH characters. The final
// full path will be shortened to MAX_PATH length by the createUnique call.
let longTargetFile = await IOUtils.getFile(
Services.dirsvc.get("LocalAppData", Ci.nsIFile).path,
"T".repeat(256) + ".txt"
);
longTargetFile.createUnique(Ci.nsIFile.NORMAL_FILE_TYPE, 0o600);
const httpSourceUrl = httpUrl("source.txt");
const dataSourceUrl = "data:text/html," + TEST_DATA_SHORT;
function createReferrerInfo(
aReferrer,
aRefererPolicy = Ci.nsIReferrerInfo.EMPTY
) {
return new ReferrerInfo(aRefererPolicy, true, NetUtil.newURI(aReferrer));
}
const tests = [
{
expectedZoneId:
"[ZoneTransfer]\r\nZoneId=3\r\nHostUrl=" + httpSourceUrl + "\r\n",
},
{
targetFile: longTargetFile,
expectedZoneId:
"[ZoneTransfer]\r\nZoneId=3\r\nHostUrl=" + httpSourceUrl + "\r\n",
},
{
sourceUrl: dataSourceUrl,
expectedZoneId:
"[ZoneTransfer]\r\nZoneId=3\r\nHostUrl=about:internet\r\n",
},
{
options: {
referrerInfo: createReferrerInfo(
TEST_REFERRER_URL,
Ci.nsIReferrerInfo.UNSAFE_URL
),
},
expectedZoneId:
"[ZoneTransfer]\r\nZoneId=3\r\n" +
"ReferrerUrl=" +
TEST_REFERRER_URL +
"\r\n" +
"HostUrl=" +
httpSourceUrl +
"\r\n",
},
{
options: { referrerInfo: createReferrerInfo(dataSourceUrl) },
expectedZoneId:
"[ZoneTransfer]\r\nZoneId=3\r\nHostUrl=" + httpSourceUrl + "\r\n",
},
{
options: {
referrerInfo: createReferrerInfo("http://example.com/a\rb\nc"),
},
expectedZoneId:
"[ZoneTransfer]\r\nZoneId=3\r\n" +
"ReferrerUrl=http://example.com/\r\n" +
"HostUrl=" +
httpSourceUrl +
"\r\n",
},
{
options: { isPrivate: true },
expectedZoneId: "[ZoneTransfer]\r\nZoneId=3\r\n",
},
{
options: {
referrerInfo: createReferrerInfo(TEST_REFERRER_URL),
isPrivate: true,
},
expectedZoneId: "[ZoneTransfer]\r\nZoneId=3\r\n",
},
];
for (const test of tests) {
const sourceUrl = test.sourceUrl || httpSourceUrl;
const targetFile = test.targetFile || normalTargetFile;
info(targetFile.path);
try {
if (!gUseLegacySaver) {
let download = await Downloads.createDownload({
source: test.options
? Object.assign({ url: sourceUrl }, test.options)
: sourceUrl,
target: targetFile.path,
});
await download.start();
} else {
let download = await promiseStartLegacyDownload(
sourceUrl,
Object.assign({ targetFile }, test.options || {})
);
await promiseDownloadStopped(download);
}
await promiseVerifyContents(targetFile.path, TEST_DATA_SHORT);
let path = targetFile.path + ":Zone.Identifier";
if (Services.appinfo.OS === "WINNT") {
path = PathUtils.toExtendedWindowsPath(path);
}
Assert.equal(await IOUtils.readUTF8(path), test.expectedZoneId);
} finally {
await IOUtils.remove(targetFile.path);
}
}
});
/**
* Checks the referrer for downloads.
*/
add_task(async function test_referrer() {
let sourcePath = "/test_referrer.txt";
let sourceUrl = httpUrl("test_referrer.txt");
let dataSourceUrl = "data:text/html,<html><body></body></html>";
function cleanup() {
gHttpServer.registerPathHandler(sourcePath, null);
}
registerCleanupFunction(cleanup);
gHttpServer.registerPathHandler(sourcePath, function (aRequest, aResponse) {
aResponse.setHeader("Content-Type", "text/plain", false);
Assert.ok(aRequest.hasHeader("Referer"));
Assert.equal(aRequest.getHeader("Referer"), TEST_REFERRER_URL);
});
let download;
let referrerInfo = new ReferrerInfo(
Ci.nsIReferrerInfo.UNSAFE_URL,
true,
NetUtil.newURI(TEST_REFERRER_URL)
);
if (!gUseLegacySaver) {
let targetFile = getTempFile(TEST_TARGET_FILE_NAME);
let targetPath = targetFile.path;
download = await Downloads.createDownload({
source: { url: sourceUrl, referrerInfo },
target: targetPath,
});
Assert.ok(download.source.referrerInfo.equals(referrerInfo));
await download.start();
download = await Downloads.createDownload({
source: { url: sourceUrl, referrerInfo, isPrivate: true },
target: targetPath,
});
Assert.ok(download.source.referrerInfo.equals(referrerInfo));
await download.start();
// Test the download still works for non-HTTP channel with referrer.
download = await Downloads.createDownload({
source: { url: dataSourceUrl, referrerInfo },
target: targetPath,
});
Assert.ok(download.source.referrerInfo.equals(referrerInfo));
await download.start();
} else {
download = await promiseStartLegacyDownload(sourceUrl, {
referrerInfo,
});
await promiseDownloadStopped(download);
checkEqualReferrerInfos(download.source.referrerInfo, referrerInfo);
download = await promiseStartLegacyDownload(sourceUrl, {
referrerInfo,
isPrivate: true,
});
await promiseDownloadStopped(download);
checkEqualReferrerInfos(download.source.referrerInfo, referrerInfo);
download = await promiseStartLegacyDownload(dataSourceUrl, {
referrerInfo,
});
await promiseDownloadStopped(download);
Assert.equal(download.source.referrerInfo, null);
}
cleanup();
});
/**
* Checks the adjustChannel callback for downloads.
*/
add_task(async function test_adjustChannel() {
const sourcePath = "/test_post.txt";
const sourceUrl = httpUrl("test_post.txt");
const targetPath = getTempFile(TEST_TARGET_FILE_NAME).path;
const customHeader = { name: "X-Answer", value: "42" };
const postData = "Don't Panic";
function cleanup() {
gHttpServer.registerPathHandler(sourcePath, null);
}
registerCleanupFunction(cleanup);
gHttpServer.registerPathHandler(sourcePath, aRequest => {
Assert.equal(aRequest.method, "POST");
Assert.ok(aRequest.hasHeader(customHeader.name));
Assert.equal(aRequest.getHeader(customHeader.name), customHeader.value);
const stream = aRequest.bodyInputStream;
const body = NetUtil.readInputStreamToString(stream, stream.available());
Assert.equal(body, postData);
});
function adjustChannel(channel) {
channel.QueryInterface(Ci.nsIHttpChannel);
channel.setRequestHeader(customHeader.name, customHeader.value, false);
const stream = Cc["@mozilla.org/io/string-input-stream;1"].createInstance(
Ci.nsIStringInputStream
);
stream.setData(postData, postData.length);
channel.QueryInterface(Ci.nsIUploadChannel2);
channel.explicitSetUploadStream(stream, null, -1, "POST", false);
return Promise.resolve();
}
const download = await Downloads.createDownload({
source: { url: sourceUrl, adjustChannel },
target: targetPath,
});
Assert.equal(download.source.adjustChannel, adjustChannel);
Assert.equal(download.toSerializable(), null);
await download.start();
cleanup();
});
/**
* Checks initial and final state and progress for a successful download.
*/
add_task(async function test_initial_final_state() {
let download;
if (!gUseLegacySaver) {
// When testing DownloadCopySaver, we have control over the download, thus
// we can check its state before it starts.
download = await promiseNewDownload();
Assert.ok(download.stopped);
Assert.ok(!download.succeeded);
Assert.ok(!download.canceled);
Assert.ok(download.error === null);
Assert.equal(download.progress, 0);
Assert.ok(download.startTime === null);
Assert.ok(!download.target.exists);
Assert.equal(download.target.size, 0);
await download.start();
} else {
// When testing DownloadLegacySaver, the download is already started when it
// is created, thus we cannot check its initial state.
download = await promiseStartLegacyDownload();
await promiseDownloadStopped(download);
}
Assert.ok(download.stopped);
Assert.ok(download.succeeded);
Assert.ok(!download.canceled);
Assert.ok(download.error === null);
Assert.equal(download.progress, 100);
Assert.ok(isValidDate(download.startTime));
Assert.ok(download.target.exists);
Assert.equal(
await expectNonZeroDownloadTargetSize(download.target),
TEST_DATA_SHORT.length
);
});
/**
* Checks the notification of the final download state.
*/
add_task(async function test_final_state_notified() {
mustInterruptResponses();
let download = await promiseStartDownload(httpUrl("interruptible.txt"));
let onchangeNotified = false;
let lastNotifiedStopped;
let lastNotifiedProgress;
download.onchange = function () {
onchangeNotified = true;
lastNotifiedStopped = download.stopped;
lastNotifiedProgress = download.progress;
};
// Allow the download to complete.
let promiseAttempt = download.start();
continueResponses();
await promiseAttempt;
// The view should have been notified before the download completes.
Assert.ok(onchangeNotified);
Assert.ok(lastNotifiedStopped);
Assert.equal(lastNotifiedProgress, 100);
});
/**
* Checks intermediate progress for a successful download.
*/
add_task(async function test_intermediate_progress() {
mustInterruptResponses();
let download = await promiseStartDownload(httpUrl("interruptible.txt"));
await promiseDownloadMidway(download);
Assert.ok(download.hasProgress);
Assert.equal(download.currentBytes, TEST_DATA_SHORT.length);
Assert.equal(download.totalBytes, TEST_DATA_SHORT.length * 2);
// The final file size should not be computed for in-progress downloads.
Assert.ok(!download.target.exists);
Assert.equal(download.target.size, 0);
// Continue after the first chunk of data is fully received.
continueResponses();
await promiseDownloadStopped(download);
Assert.ok(download.stopped);
Assert.equal(download.progress, 100);
await promiseVerifyTarget(download.target, TEST_DATA_SHORT + TEST_DATA_SHORT);
});
/**
* Downloads a file with a "Content-Length" of 0 and checks the progress.
*/
add_task(async function test_empty_progress() {
let download = await promiseStartDownload(httpUrl("empty.txt"));
await promiseDownloadStopped(download);
Assert.ok(download.stopped);
Assert.ok(download.hasProgress);
Assert.equal(download.progress, 100);
Assert.equal(download.currentBytes, 0);
Assert.equal(download.totalBytes, 0);
// We should have received the content type even for an empty file.
Assert.equal(download.contentType, "text/plain");
Assert.equal((await IOUtils.stat(download.target.path)).size, 0);
Assert.ok(download.target.exists);
Assert.equal(download.target.size, 0);
});
/**
* Downloads a file with a "Content-Length" of 0 with the tryToKeepPartialData
* property set, and ensures that the file is saved correctly.
*/
add_task(async function test_empty_progress_tryToKeepPartialData() {
// Start a new download and configure it to keep partially downloaded data.
let download;
if (!gUseLegacySaver) {
let targetFilePath = getTempFile(TEST_TARGET_FILE_NAME).path;
download = await Downloads.createDownload({
source: httpUrl("empty.txt"),
target: { path: targetFilePath, partFilePath: targetFilePath + ".part" },
});
download.tryToKeepPartialData = true;
download.start().catch(() => {});
} else {
// Start a download using nsIExternalHelperAppService, that is configured
// to keep partially downloaded data by default.
download = await promiseStartExternalHelperAppServiceDownload(
httpUrl("empty.txt")
);
}
await promiseDownloadStopped(download);
// The target file should now have been created, and the ".part" file deleted.
Assert.equal((await IOUtils.stat(download.target.path)).size, 0);
Assert.ok(download.target.exists);
Assert.equal(download.target.size, 0);
Assert.equal(false, await IOUtils.exists(download.target.partFilePath));
Assert.equal(32, download.saver.getSha256Hash().length);
});
/**
* Downloads an empty file with no "Content-Length" and checks the progress.
*/
add_task(async function test_empty_noprogress() {
let sourcePath = "/test_empty_noprogress.txt";
let sourceUrl = httpUrl("test_empty_noprogress.txt");
let deferRequestReceived = Promise.withResolvers();
// Register an interruptible handler that notifies us when the request occurs.
function cleanup() {
gHttpServer.registerPathHandler(sourcePath, null);
}
registerCleanupFunction(cleanup);
registerInterruptibleHandler(
sourcePath,
function firstPart(aRequest, aResponse) {
aResponse.setHeader("Content-Type", "text/plain", false);
deferRequestReceived.resolve();
},
function secondPart() {}
);
// Start the download, without allowing the request to finish.
mustInterruptResponses();
let download;
if (!gUseLegacySaver) {
// When testing DownloadCopySaver, we have control over the download, thus
// we can hook its onchange callback that will be notified when the
// download starts.
download = await promiseNewDownload(sourceUrl);
download.onchange = function () {
if (!download.stopped) {
Assert.ok(!download.hasProgress);
Assert.equal(download.currentBytes, 0);
Assert.equal(download.totalBytes, 0);
}
};
download.start().catch(() => {});
} else {
// When testing DownloadLegacySaver, the download is already started when it
// is created, and it may have already made all needed property change
// notifications, thus there is no point in checking the onchange callback.
download = await promiseStartLegacyDownload(sourceUrl);
}
// Wait for the request to be received by the HTTP server, but don't allow the
// request to finish yet. Before checking the download state, wait for the
// events to be processed by the client.
await deferRequestReceived.promise;
await promiseExecuteSoon();
// Check that this download has no progress report.
Assert.ok(!download.stopped);
Assert.ok(!download.hasProgress);
Assert.equal(download.currentBytes, 0);
Assert.equal(download.totalBytes, 0);
// Now allow the response to finish.
continueResponses();
await promiseDownloadStopped(download);
// We should have received the content type even if no progress is reported.
Assert.equal(download.contentType, "text/plain");
// Verify the state of the completed download.
Assert.ok(download.stopped);
Assert.ok(!download.hasProgress);
Assert.equal(download.progress, 100);
Assert.equal(download.currentBytes, 0);
Assert.equal(download.totalBytes, 0);
Assert.ok(download.target.exists);
Assert.equal(download.target.size, 0);
Assert.equal((await IOUtils.stat(download.target.path)).size, 0);
});
/**
* Calls the "start" method two times before the download is finished.
*/
add_task(async function test_start_twice() {
mustInterruptResponses();
let download;
if (!gUseLegacySaver) {
// When testing DownloadCopySaver, we have control over the download, thus
// we can start the download later during the test.
download = await promiseNewDownload(httpUrl("interruptible.txt"));
} else {
// When testing DownloadLegacySaver, the download is already started when it
// is created. Effectively, we are starting the download three times.
download = await promiseStartLegacyDownload(httpUrl("interruptible.txt"));
}
// Call the start method two times.
let promiseAttempt1 = download.start();
let promiseAttempt2 = download.start();
// Allow the download to finish.
continueResponses();
// Both promises should now be resolved.
await promiseAttempt1;
await promiseAttempt2;
Assert.ok(download.stopped);
Assert.ok(download.succeeded);
Assert.ok(!download.canceled);
Assert.ok(download.error === null);
await promiseVerifyTarget(download.target, TEST_DATA_SHORT + TEST_DATA_SHORT);
});
/**
* Cancels a download and verifies that its state is reported correctly.
*/
add_task(async function test_cancel_midway() {
mustInterruptResponses();
// In this test case, we execute different checks that are only possible with
// DownloadCopySaver or DownloadLegacySaver respectively.
let download;
let options = {};
if (!gUseLegacySaver) {
download = await promiseNewDownload(httpUrl("interruptible.txt"));
} else {
download = await promiseStartLegacyDownload(
httpUrl("interruptible.txt"),
options
);
}
// Cancel the download after receiving the first part of the response.
let deferCancel = Promise.withResolvers();
let onchange = function () {
if (!download.stopped && !download.canceled && download.progress == 50) {
// Cancel the download immediately during the notification.
deferCancel.resolve(download.cancel());
// The state change happens immediately after calling "cancel", but
// temporary files or part files may still exist at this point.
Assert.ok(download.canceled);
}
};
// Register for the notification, but also call the function directly in
// case the download already reached the expected progress. This may happen
// when using DownloadLegacySaver.
download.onchange = onchange;
onchange();
let promiseAttempt;
if (!gUseLegacySaver) {
promiseAttempt = download.start();
}
// Wait on the promise returned by the "cancel" method to ensure that the
// cancellation process finished and temporary files were removed.
await deferCancel.promise;
if (gUseLegacySaver) {
// The nsIWebBrowserPersist instance should have been canceled now.
Assert.equal(options.outPersist.result, Cr.NS_ERROR_ABORT);
}
Assert.ok(download.stopped);
Assert.ok(download.canceled);
Assert.ok(download.error === null);
Assert.ok(!download.target.exists);
Assert.equal(download.target.size, 0);
Assert.equal(false, await IOUtils.exists(download.target.path));
// Progress properties are not reset by canceling.
Assert.equal(download.progress, 50);
Assert.equal(download.totalBytes, TEST_DATA_SHORT.length * 2);
Assert.equal(download.currentBytes, TEST_DATA_SHORT.length);
if (!gUseLegacySaver) {
// The promise returned by "start" should have been rejected meanwhile.
try {
await promiseAttempt;
do_throw("The download should have been canceled.");
} catch (ex) {
if (!(ex instanceof Downloads.Error)) {
throw ex;
}
Assert.ok(!ex.becauseSourceFailed);
Assert.ok(!ex.becauseTargetFailed);
}
}
});
/**
* Cancels a download while keeping partially downloaded data, and verifies that
* both the target file and the ".part" file are deleted.
*/
add_task(async function test_cancel_midway_tryToKeepPartialData() {
let download = await promiseStartDownload_tryToKeepPartialData({
useLegacySaver: gUseLegacySaver,
});
Assert.ok(await IOUtils.exists(download.target.path));
Assert.ok(await IOUtils.exists(download.target.partFilePath));
await download.cancel();
await download.removePartialData();
Assert.ok(download.stopped);
Assert.ok(download.canceled);
Assert.ok(download.error === null);
Assert.equal(false, await IOUtils.exists(download.target.path));
Assert.equal(false, await IOUtils.exists(download.target.partFilePath));
});
/**
* Cancels a download right after starting it.
*/
add_task(async function test_cancel_immediately() {
mustInterruptResponses();
let download = await promiseStartDownload(httpUrl("interruptible.txt"));
let promiseAttempt = download.start();
Assert.ok(!download.stopped);
let promiseCancel = download.cancel();
Assert.ok(download.canceled);
// At this point, we don't know whether the download has already stopped or
// is still waiting for cancellation. We can wait on the promise returned
// by the "start" method to know for sure.
try {
await promiseAttempt;
do_throw("The download should have been canceled.");
} catch (ex) {
if (!(ex instanceof Downloads.Error)) {
throw ex;
}
Assert.ok(!ex.becauseSourceFailed);
Assert.ok(!ex.becauseTargetFailed);
}
Assert.ok(download.stopped);
Assert.ok(download.canceled);
Assert.ok(download.error === null);
Assert.equal(false, await IOUtils.exists(download.target.path));
// Check that the promise returned by the "cancel" method has been resolved.
await promiseCancel;
});
/**
* Cancels and restarts a download sequentially.
*/
add_task(async function test_cancel_midway_restart() {
mustInterruptResponses();
let download = await promiseStartDownload(httpUrl("interruptible.txt"));
// The first time, cancel the download midway.
await promiseDownloadMidway(download);
await download.cancel();
Assert.ok(download.stopped);
// The second time, we'll provide the entire interruptible response.
continueResponses();
download.onchange = null;
let promiseAttempt = download.start();
// Download state should have already been reset.
Assert.ok(!download.stopped);
Assert.ok(!download.canceled);
Assert.ok(download.error === null);
// For the following test, we rely on the network layer reporting its progress
// asynchronously. Otherwise, there is nothing stopping the restarted
// download from reaching the same progress as the first request already.
Assert.equal(download.progress, 0);
Assert.equal(download.totalBytes, 0);
Assert.equal(download.currentBytes, 0);
await promiseAttempt;
Assert.ok(download.stopped);
Assert.ok(download.succeeded);
Assert.ok(!download.canceled);
Assert.ok(download.error === null);
await promiseVerifyTarget(download.target, TEST_DATA_SHORT + TEST_DATA_SHORT);
});
/**
* Cancels a download and restarts it from where it stopped.
*/
add_task(async function test_cancel_midway_restart_tryToKeepPartialData() {
let download = await promiseStartDownload_tryToKeepPartialData({
useLegacySaver: gUseLegacySaver,
});
await download.cancel();
Assert.ok(download.stopped);
Assert.ok(download.hasPartialData);
// We should have kept the partial data and an empty target file placeholder.
Assert.ok(await IOUtils.exists(download.target.path));
await promiseVerifyContents(download.target.partFilePath, TEST_DATA_SHORT);
Assert.ok(!download.target.exists);
Assert.equal(download.target.size, 0);
// Verify that the server sent the response from the start.
Assert.equal(gMostRecentFirstBytePos, 0);
// The second time, we'll request and obtain the second part of the response,
// but we still stop when half of the remaining progress is reached.
let deferMidway = Promise.withResolvers();
download.onchange = function () {
if (
!download.stopped &&
!download.canceled &&
download.currentBytes == Math.floor((TEST_DATA_SHORT.length * 3) / 2)
) {
download.onchange = null;
deferMidway.resolve();
}
};
mustInterruptResponses();
let promiseAttempt = download.start();
// Continue when the number of bytes we received is correct, then check that
// progress is at about 75 percent. The exact figure may vary because of
// rounding issues, since the total number of bytes in the response might not
// be a multiple of four.
await deferMidway.promise;
Assert.ok(download.progress > 72 && download.progress < 78);
// Now we allow the download to finish.
continueResponses();
await promiseAttempt;
// Check that the server now sent the second part only.
Assert.equal(gMostRecentFirstBytePos, TEST_DATA_SHORT.length);
// The target file should now have been created, and the ".part" file deleted.
await promiseVerifyTarget(download.target, TEST_DATA_SHORT + TEST_DATA_SHORT);
Assert.equal(false, await IOUtils.exists(download.target.partFilePath));
});
/**
* Cancels a download while keeping partially downloaded data, then removes the
* data and restarts the download from the beginning.
*/
add_task(async function test_cancel_midway_restart_removePartialData() {
let download = await promiseStartDownload_tryToKeepPartialData({
useLegacySaver: gUseLegacySaver,
});
await download.cancel();
await download.removePartialData();
Assert.ok(!download.hasPartialData);
Assert.equal(false, await IOUtils.exists(download.target.path));
Assert.equal(false, await IOUtils.exists(download.target.partFilePath));
Assert.ok(!download.target.exists);
Assert.equal(download.target.size, 0);
// The second time, we'll request and obtain the entire response again.
continueResponses();
await download.start();
// Verify that the server sent the response from the start.
Assert.equal(gMostRecentFirstBytePos, 0);
// The target file should now have been created, and the ".part" file deleted.
await promiseVerifyTarget(download.target, TEST_DATA_SHORT + TEST_DATA_SHORT);
Assert.equal(false, await IOUtils.exists(download.target.partFilePath));
});
/**
* Cancels a download while keeping partially downloaded data, then removes the
* data and restarts the download from the beginning without keeping the partial
* data anymore.
*/
add_task(
async function test_cancel_midway_restart_tryToKeepPartialData_false() {
let download = await promiseStartDownload_tryToKeepPartialData({
useLegacySaver: gUseLegacySaver,
});
await download.cancel();
download.tryToKeepPartialData = false;
// The above property change does not affect existing partial data.
Assert.ok(download.hasPartialData);
await promiseVerifyContents(download.target.partFilePath, TEST_DATA_SHORT);
await download.removePartialData();
Assert.equal(false, await IOUtils.exists(download.target.path));
Assert.equal(false, await IOUtils.exists(download.target.partFilePath));
// Restart the download from the beginning.
mustInterruptResponses();
download.start().catch(() => {});
await promiseDownloadMidway(download);
await promisePartFileReady(download);
// While the download is in progress, we should still have a ".part" file.
Assert.ok(!download.hasPartialData);
Assert.ok(await IOUtils.exists(download.target.path));
Assert.ok(await IOUtils.exists(download.target.partFilePath));
// On Unix, verify that the file with the partially downloaded data is not
// accessible by other users on the system.
if (Services.appinfo.OS == "Darwin" || Services.appinfo.OS == "Linux") {
Assert.equal(
(await IOUtils.stat(download.target.partFilePath)).permissions,
0o600
);
}
await download.cancel();
// The ".part" file should be deleted now that the download is canceled.
Assert.ok(!download.hasPartialData);
Assert.equal(false, await IOUtils.exists(download.target.path));
Assert.equal(false, await IOUtils.exists(download.target.partFilePath));
// The third time, we'll request and obtain the entire response again.
continueResponses();
await download.start();
// Verify that the server sent the response from the start.
Assert.equal(gMostRecentFirstBytePos, 0);
// The target file should now have been created, and the ".part" file deleted.
await promiseVerifyTarget(
download.target,
TEST_DATA_SHORT + TEST_DATA_SHORT
);
Assert.equal(false, await IOUtils.exists(download.target.partFilePath));
}
);
/**
* Cancels a download right after starting it, then restarts it immediately.
*/
add_task(async function test_cancel_immediately_restart_immediately() {
mustInterruptResponses();
let download = await promiseStartDownload(httpUrl("interruptible.txt"));
let promiseAttempt = download.start();
Assert.ok(!download.stopped);
download.cancel();
Assert.ok(download.canceled);
let promiseRestarted = download.start();
Assert.ok(!download.stopped);
Assert.ok(!download.canceled);
Assert.ok(download.error === null);
// For the following test, we rely on the network layer reporting its progress
// asynchronously. Otherwise, there is nothing stopping the restarted
// download from reaching the same progress as the first request already.
Assert.equal(download.hasProgress, false);
Assert.equal(download.progress, 0);
Assert.equal(download.totalBytes, 0);
Assert.equal(download.currentBytes, 0);
// Ensure the next request is now allowed to complete, regardless of whether
// the canceled request was received by the server or not.
continueResponses();
try {
await promiseAttempt;
// If we get here, it means that the first attempt actually succeeded. In
// fact, this could be a valid outcome, because the cancellation request may
// not have been processed in time before the download finished.
info("The download should have been canceled.");
} catch (ex) {
if (!(ex instanceof Downloads.Error)) {
throw ex;
}
Assert.ok(!ex.becauseSourceFailed);
Assert.ok(!ex.becauseTargetFailed);
}
await promiseRestarted;
Assert.ok(download.stopped);
Assert.ok(download.succeeded);
Assert.ok(!download.canceled);
Assert.ok(download.error === null);
await promiseVerifyTarget(download.target, TEST_DATA_SHORT + TEST_DATA_SHORT);
});
/**
* Cancels a download midway, then restarts it immediately.
*/
add_task(async function test_cancel_midway_restart_immediately() {
mustInterruptResponses();
let download = await promiseStartDownload(httpUrl("interruptible.txt"));
let promiseAttempt = download.start();
// The first time, cancel the download midway.
await promiseDownloadMidway(download);
download.cancel();
Assert.ok(download.canceled);
let promiseRestarted = download.start();
Assert.ok(!download.stopped);
Assert.ok(!download.canceled);
Assert.ok(download.error === null);
// For the following test, we rely on the network layer reporting its progress
// asynchronously. Otherwise, there is nothing stopping the restarted
// download from reaching the same progress as the first request already.
Assert.equal(download.hasProgress, false);
Assert.equal(download.progress, 0);
Assert.equal(download.totalBytes, 0);
Assert.equal(download.currentBytes, 0);
// The second request is allowed to complete.
continueResponses();
try {
await promiseAttempt;
do_throw("The download should have been canceled.");
} catch (ex) {
if (!(ex instanceof Downloads.Error)) {
throw ex;
}
Assert.ok(!ex.becauseSourceFailed);
Assert.ok(!ex.becauseTargetFailed);
}
await promiseRestarted;
Assert.ok(download.stopped);
Assert.ok(download.succeeded);
Assert.ok(!download.canceled);
Assert.ok(download.error === null);
await promiseVerifyTarget(download.target, TEST_DATA_SHORT + TEST_DATA_SHORT);
});
/**
* Calls the "cancel" method on a successful download.
*/
add_task(async function test_cancel_successful() {
let download = await promiseStartDownload();
await promiseDownloadStopped(download);
// The cancel method should succeed with no effect.
await download.cancel();
Assert.ok(download.stopped);
Assert.ok(download.succeeded);
Assert.ok(!download.canceled);
Assert.ok(download.error === null);
await promiseVerifyTarget(download.target, TEST_DATA_SHORT);
});
/**
* Calls the "cancel" method two times in a row.
*/
add_task(async function test_cancel_twice() {
mustInterruptResponses();
let download = await promiseStartDownload(httpUrl("interruptible.txt"));
let promiseAttempt = download.start();
Assert.ok(!download.stopped);
let promiseCancel1 = download.cancel();
Assert.ok(download.canceled);
let promiseCancel2 = download.cancel();
try {
await promiseAttempt;
do_throw("The download should have been canceled.");
} catch (ex) {
if (!(ex instanceof Downloads.Error)) {
throw ex;
}
Assert.ok(!ex.becauseSourceFailed);
Assert.ok(!ex.becauseTargetFailed);
}
// Both promises should now be resolved.
await promiseCancel1;
await promiseCancel2;
Assert.ok(download.stopped);
Assert.ok(!download.succeeded);
Assert.ok(download.canceled);
Assert.ok(download.error === null);
Assert.equal(false, await IOUtils.exists(download.target.path));
});
/**
* Checks the "refresh" method for succeeded downloads.
*/
add_task(async function test_refresh_succeeded() {
let download = await promiseStartDownload();
await promiseDownloadStopped(download);
// The DownloadTarget properties should be the same after calling "refresh".
await download.refresh();
await promiseVerifyTarget(download.target, TEST_DATA_SHORT);
// If the file is removed, only the "exists" property should change, and the
// "size" property should keep its previous value.
await IOUtils.move(download.target.path, `${download.target.path}.old`);
await download.refresh();
Assert.ok(!download.target.exists);
Assert.equal(
await expectNonZeroDownloadTargetSize(download.target),
TEST_DATA_SHORT.length
);
// The DownloadTarget properties should be restored when the file is put back.
await IOUtils.move(`${download.target.path}.old`, download.target.path);
await download.refresh();
await promiseVerifyTarget(download.target, TEST_DATA_SHORT);
});
/**
* Checks that a download cannot be restarted after the "finalize" method.
*/
add_task(async function test_finalize() {
mustInterruptResponses();
let download = await promiseStartDownload(httpUrl("interruptible.txt"));
let promiseFinalized = download.finalize();
try {
await download.start();
do_throw("It should not be possible to restart after finalization.");
} catch (ex) {}
await promiseFinalized;
Assert.ok(download.stopped);
Assert.ok(!download.succeeded);
Assert.ok(download.canceled);
Assert.ok(download.error === null);
Assert.equal(false, await IOUtils.exists(download.target.path));
});
/**
* Checks that the "finalize" method can remove partially downloaded data.
*/
add_task(async function test_finalize_tryToKeepPartialData() {
// Check finalization without removing partial data.
let download = await promiseStartDownload_tryToKeepPartialData({
useLegacySaver: gUseLegacySaver,
});
await download.finalize();
Assert.ok(download.hasPartialData);
Assert.ok(await IOUtils.exists(download.target.path));
Assert.ok(await IOUtils.exists(download.target.partFilePath));
// Clean up.
await download.removePartialData();
// Check finalization while removing partial data.
download = await promiseStartDownload_tryToKeepPartialData({
useLegacySaver: gUseLegacySaver,
});
await download.finalize(true);
Assert.ok(!download.hasPartialData);
Assert.equal(false, await IOUtils.exists(download.target.path));
Assert.equal(false, await IOUtils.exists(download.target.partFilePath));
});
/**
* Checks that whenSucceeded returns a promise that is resolved after a restart.
*/
add_task(async function test_whenSucceeded_after_restart() {
mustInterruptResponses();
let promiseSucceeded;
let download;
if (!gUseLegacySaver) {
// When testing DownloadCopySaver, we have control over the download, thus
// we can verify getting a reference before the first download attempt.
download = await promiseNewDownload(httpUrl("interruptible.txt"));
promiseSucceeded = download.whenSucceeded();
download.start().catch(() => {});
} else {
// When testing DownloadLegacySaver, the download is already started when it
// is created, thus we cannot get the reference before the first attempt.
download = await promiseStartLegacyDownload(httpUrl("interruptible.txt"));
promiseSucceeded = download.whenSucceeded();
}
// Cancel the first download attempt.
await download.cancel();
// The second request is allowed to complete.
continueResponses();
download.start().catch(() => {});
// Wait for the download to finish by waiting on the whenSucceeded promise.
await promiseSucceeded;
Assert.ok(download.stopped);
Assert.ok(download.succeeded);
Assert.ok(!download.canceled);
Assert.ok(download.error === null);
await promiseVerifyTarget(download.target, TEST_DATA_SHORT + TEST_DATA_SHORT);
});
/**
* Ensures download error details are reported on network failures.
*/
add_task(async function test_error_source() {
let serverSocket = startFakeServer();
try {
let sourceUrl = "http://localhost:" + serverSocket.port + "/source.txt";
let download;
try {
if (!gUseLegacySaver) {
// When testing DownloadCopySaver, we want to check that the promise
// returned by the "start" method is rejected.
download = await promiseNewDownload(sourceUrl);
Assert.ok(download.error === null);
await download.start();
} else {
// When testing DownloadLegacySaver, we cannot be sure whether we are
// testing the promise returned by the "start" method or we are testing
// the "error" property checked by promiseDownloadStopped. This happens
// because we don't have control over when the download is started.
download = await promiseStartLegacyDownload(sourceUrl);
await promiseDownloadStopped(download);
}
do_throw("The download should have failed.");
} catch (ex) {
if (!(ex instanceof Downloads.Error) || !ex.becauseSourceFailed) {
throw ex;
}
// A specific error object is thrown when reading from the source fails.
}
// Check the properties now that the download stopped.
Assert.ok(download.stopped);
Assert.ok(!download.canceled);
Assert.ok(download.error !== null);
Assert.ok(download.error.becauseSourceFailed);
Assert.ok(!download.error.becauseTargetFailed);
Assert.equal(false, await IOUtils.exists(download.target.path));
Assert.ok(!download.target.exists);
Assert.equal(download.target.size, 0);
} finally {
serverSocket.close();
}
});
/**
* Ensures a download error is reported when receiving less bytes than what was
* specified in the Content-Length header.
*/
add_task(async function test_error_source_partial() {
let sourceUrl = httpUrl("shorter-than-content-length-http-1-1.txt");
let enforcePref = Services.prefs.getBoolPref(
"network.http.enforce-framing.http1"
);
Services.prefs.setBoolPref("network.http.enforce-framing.http1", true);
function cleanup() {
Services.prefs.setBoolPref(
"network.http.enforce-framing.http1",
enforcePref
);
}
registerCleanupFunction(cleanup);
let download;
try {
if (!gUseLegacySaver) {
// When testing DownloadCopySaver, we want to check that the promise
// returned by the "start" method is rejected.
download = await promiseNewDownload(sourceUrl);
Assert.ok(download.error === null);
await download.start();
} else {
// When testing DownloadLegacySaver, we cannot be sure whether we are
// testing the promise returned by the "start" method or we are testing
// the "error" property checked by promiseDownloadStopped. This happens
// because we don't have control over when the download is started.
download = await promiseStartLegacyDownload(sourceUrl);
await promiseDownloadStopped(download);
}
do_throw("The download should have failed.");
} catch (ex) {
if (!(ex instanceof Downloads.Error) || !ex.becauseSourceFailed) {
throw ex;
}
// A specific error object is thrown when reading from the source fails.
}
// Check the properties now that the download stopped.
Assert.ok(download.stopped);
Assert.ok(!download.canceled);
Assert.ok(download.error !== null);
Assert.ok(download.error.becauseSourceFailed);
Assert.ok(!download.error.becauseTargetFailed);
Assert.equal(download.error.result, Cr.NS_ERROR_NET_PARTIAL_TRANSFER);
Assert.equal(false, await IOUtils.exists(download.target.path));
Assert.ok(!download.target.exists);
Assert.equal(download.target.size, 0);
});
/**
* Ensures a download error is reported when an RST packet is received.
*/
add_task(async function test_error_source_netreset() {
if (AppConstants.platform == "win") {
return;
}
let download;
try {
if (!gUseLegacySaver) {
// When testing DownloadCopySaver, we want to check that the promise
// returned by the "start" method is rejected.
download = await promiseNewDownload(httpUrl("netreset.txt"));
Assert.ok(download.error === null);
await download.start();
} else {
// When testing DownloadLegacySaver, we cannot be sure whether we are
// testing the promise returned by the "start" method or we are testing
// the "error" property checked by promiseDownloadStopped. This happens
// because we don't have control over when the download is started.
download = await promiseStartLegacyDownload(httpUrl("netreset.txt"));
await promiseDownloadStopped(download);
}
do_throw("The download should have failed.");
} catch (ex) {
if (!(ex instanceof Downloads.Error) || !ex.becauseSourceFailed) {
throw ex;
}
// A specific error object is thrown when reading from the source fails.
}
// Check the properties now that the download stopped.
Assert.ok(download.stopped);
Assert.ok(!download.canceled);
Assert.ok(download.error !== null);
Assert.ok(download.error.becauseSourceFailed);
Assert.ok(!download.error.becauseTargetFailed);
Assert.equal(download.error.result, Cr.NS_ERROR_NET_RESET);
Assert.equal(false, await IOUtils.exists(download.target.path));
});
/**
* Ensures download error details are reported on local writing failures.
*/
add_task(async function test_error_target() {
// Create a file without write access permissions before downloading.
let targetFile = getTempFile(TEST_TARGET_FILE_NAME);
targetFile.create(Ci.nsIFile.NORMAL_FILE_TYPE, 0);
try {
let download;
try {
if (!gUseLegacySaver) {
// When testing DownloadCopySaver, we want to check that the promise
// returned by the "start" method is rejected.
download = await Downloads.createDownload({
source: httpUrl("source.txt"),
target: targetFile,
});
await download.start();
} else {
// When testing DownloadLegacySaver, we cannot be sure whether we are
// testing the promise returned by the "start" method or we are testing
// the "error" property checked by promiseDownloadStopped. This happens
// because we don't have control over when the download is started.
download = await promiseStartLegacyDownload(null, { targetFile });
await promiseDownloadStopped(download);
}
do_throw("The download should have failed.");
} catch (ex) {
if (!(ex instanceof Downloads.Error) || !ex.becauseTargetFailed) {
throw ex;
}
// A specific error object is thrown when writing to the target fails.
}
// Check the properties now that the download stopped.
Assert.ok(download.stopped);
Assert.ok(!download.canceled);
Assert.ok(download.error !== null);
Assert.ok(download.error.becauseTargetFailed);
Assert.ok(!download.error.becauseSourceFailed);
// Check unserializing a download with an errorObj and restarting it will
// clear the errorObj initially.
let serializable = download.toSerializable();
Assert.ok(serializable.errorObj, "Ensure we have an errorObj initially");
let reserialized = JSON.parse(JSON.stringify(serializable));
download = await Downloads.createDownload(reserialized);
let promise = download.start().catch(() => {});
serializable = download.toSerializable();
Assert.ok(!serializable.errorObj, "Ensure we didn't persist the errorObj");
await promise;
} finally {
// Restore the default permissions to allow deleting the file on Windows.
if (targetFile.exists()) {
targetFile.permissions = FileUtils.PERMS_FILE;
targetFile.remove(false);
}
}
});
/**
* Restarts a failed download.
*/
add_task(async function test_error_restart() {
let download;
// Create a file without write access permissions before downloading.
let targetFile = getTempFile(TEST_TARGET_FILE_NAME);
targetFile.create(Ci.nsIFile.NORMAL_FILE_TYPE, 0);
try {
// Use DownloadCopySaver or DownloadLegacySaver based on the test run,
// specifying the target file we created.
if (!gUseLegacySaver) {
download = await Downloads.createDownload({
source: httpUrl("source.txt"),
target: targetFile,
});
download.start().catch(() => {});
} else {
download = await promiseStartLegacyDownload(null, { targetFile });
}
await promiseDownloadStopped(download);
do_throw("The download should have failed.");
} catch (ex) {
if (!(ex instanceof Downloads.Error) || !ex.becauseTargetFailed) {
throw ex;
}
// A specific error object is thrown when writing to the target fails.
} finally {
// Restore the default permissions to allow deleting the file on Windows.
if (targetFile.exists()) {
targetFile.permissions = FileUtils.PERMS_FILE;
// Also for Windows, rename the file before deleting. This makes the
// current file name available immediately for a new file, while deleting
// in place prevents creation of a file with the same name for some time.
targetFile.moveTo(null, targetFile.leafName + ".delete.tmp");
targetFile.remove(false);
}
}
// Restart the download and wait for completion.
await download.start();
Assert.ok(download.stopped);
Assert.ok(download.succeeded);
Assert.ok(!download.canceled);
Assert.ok(download.error === null);
Assert.equal(download.progress, 100);
await promiseVerifyTarget(download.target, TEST_DATA_SHORT);
});
/**
* Executes download in both public and private modes.
*/
add_task(async function test_public_and_private() {
let sourcePath = "/test_public_and_private.txt";
let sourceUrl = httpUrl("test_public_and_private.txt");
let testCount = 0;
// Apply pref to allow all cookies.
Services.prefs.setIntPref("network.cookie.cookieBehavior", 0);
function cleanup() {
Services.prefs.clearUserPref("network.cookie.cookieBehavior");
Services.cookies.removeAll();
gHttpServer.registerPathHandler(sourcePath, null);
}
registerCleanupFunction(cleanup);
gHttpServer.registerPathHandler(sourcePath, function (aRequest, aResponse) {
aResponse.setHeader("Content-Type", "text/plain", false);
if (testCount == 0) {
// No cookies should exist for first public download.
Assert.ok(!aRequest.hasHeader("Cookie"));
aResponse.setHeader("Set-Cookie", "foobar=1", false);
testCount++;
} else if (testCount == 1) {
// The cookie should exists for second public download.
Assert.ok(aRequest.hasHeader("Cookie"));
Assert.equal(aRequest.getHeader("Cookie"), "foobar=1");
testCount++;
} else if (testCount == 2) {
// No cookies should exist for first private download.
Assert.ok(!aRequest.hasHeader("Cookie"));
}
});
let targetFile = getTempFile(TEST_TARGET_FILE_NAME);
await Downloads.fetch(sourceUrl, targetFile);
await Downloads.fetch(sourceUrl, targetFile);
if (!gUseLegacySaver) {
let download = await Downloads.createDownload({
source: { url: sourceUrl, isPrivate: true },
target: targetFile,
});
await download.start();
} else {
let download = await promiseStartLegacyDownload(sourceUrl, {
isPrivate: true,
});
await promiseDownloadStopped(download);
}
cleanup();
});
/**
* Checks the startTime gets updated even after a restart.
*/
add_task(async function test_cancel_immediately_restart_and_check_startTime() {
let download = await promiseStartDownload();
let startTime = download.startTime;
Assert.ok(isValidDate(download.startTime));
await download.cancel();
Assert.equal(download.startTime.getTime(), startTime.getTime());
// Wait for a timeout.
await promiseTimeout(10);
await download.start();
Assert.ok(download.startTime.getTime() > startTime.getTime());
});
/**
* Executes download with content-encoding.
*/
add_task(async function test_with_content_encoding() {
let sourcePath = "/test_with_content_encoding.txt";
let sourceUrl = httpUrl("test_with_content_encoding.txt");
function cleanup() {
gHttpServer.registerPathHandler(sourcePath, null);
}
registerCleanupFunction(cleanup);
gHttpServer.registerPathHandler(sourcePath, function (aRequest, aResponse) {
aResponse.setHeader("Content-Type", "text/plain", false);
aResponse.setHeader("Content-Encoding", "gzip", false);
aResponse.setHeader(
"Content-Length",
"" + TEST_DATA_SHORT_GZIP_ENCODED.length,
false
);
let bos = new BinaryOutputStream(aResponse.bodyOutputStream);
bos.writeByteArray(TEST_DATA_SHORT_GZIP_ENCODED);
});
let download = await promiseStartDownload(sourceUrl);
await promiseDownloadStopped(download);
Assert.equal(download.progress, 100);
Assert.equal(download.totalBytes, TEST_DATA_SHORT_GZIP_ENCODED.length);
// Ensure the content matches the decoded test data.
await promiseVerifyTarget(download.target, TEST_DATA_SHORT);
cleanup();
});
/**
* Checks that the file is not decoded if the extension matches the encoding.
*/
add_task(async function test_with_content_encoding_ignore_extension() {
let sourcePath = "/test_with_content_encoding_ignore_extension.gz";
let sourceUrl = httpUrl("test_with_content_encoding_ignore_extension.gz");
function cleanup() {
gHttpServer.registerPathHandler(sourcePath, null);
}
registerCleanupFunction(cleanup);
gHttpServer.registerPathHandler(sourcePath, function (aRequest, aResponse) {
aResponse.setHeader("Content-Type", "text/plain", false);
aResponse.setHeader("Content-Encoding", "gzip", false);
aResponse.setHeader(
"Content-Length",
"" + TEST_DATA_SHORT_GZIP_ENCODED.length,
false
);
let bos = new BinaryOutputStream(aResponse.bodyOutputStream);
bos.writeByteArray(TEST_DATA_SHORT_GZIP_ENCODED);
});
let download = await promiseStartDownload(sourceUrl);
await promiseDownloadStopped(download);
Assert.equal(download.progress, 100);
Assert.equal(download.totalBytes, TEST_DATA_SHORT_GZIP_ENCODED.length);
Assert.equal(
await expectNonZeroDownloadTargetSize(download.target),
TEST_DATA_SHORT_GZIP_ENCODED.length
);
// Ensure the content matches the encoded test data. We convert the data to a
// string before executing the content check.
await promiseVerifyTarget(
download.target,
String.fromCharCode.apply(String, TEST_DATA_SHORT_GZIP_ENCODED)
);
cleanup();
});
/**
* Cancels and restarts a download sequentially with content-encoding.
*/
add_task(async function test_cancel_midway_restart_with_content_encoding() {
mustInterruptResponses();
let download = await promiseStartDownload(httpUrl("interruptible_gzip.txt"));
// The first time, cancel the download midway.
await new Promise(resolve => {
let onchange = function () {
if (
!download.stopped &&
!download.canceled &&
download.currentBytes == TEST_DATA_SHORT_GZIP_ENCODED_FIRST.length
) {
resolve(download.cancel());
}
};
// Register for the notification, but also call the function directly in
// case the download already reached the expected progress.
download.onchange = onchange;
onchange();
});
Assert.ok(download.stopped);
// The second time, we'll provide the entire interruptible response.
continueResponses();
download.onchange = null;
await download.start();
Assert.equal(download.progress, 100);
Assert.equal(download.totalBytes, TEST_DATA_SHORT_GZIP_ENCODED.length);
await promiseVerifyTarget(download.target, TEST_DATA_SHORT);
});
/**
* Download with parental controls enabled.
*/
add_task(async function test_blocked_parental_controls() {
let blockFn = () => ({
shouldBlockForParentalControls: () => Promise.resolve(true),
});
Integration.downloads.register(blockFn);
function cleanup() {
Integration.downloads.unregister(blockFn);
}
registerCleanupFunction(cleanup);
let download;
try {
if (!gUseLegacySaver) {
// When testing DownloadCopySaver, we want to check that the promise
// returned by the "start" method is rejected.
download = await promiseNewDownload();
await download.start();
} else {
// When testing DownloadLegacySaver, we cannot be sure whether we are
// testing the promise returned by the "start" method or we are testing
// the "error" property checked by promiseDownloadStopped. This happens
// because we don't have control over when the download is started.
download = await promiseStartLegacyDownload();
await promiseDownloadStopped(download);
}
do_throw("The download should have blocked.");
} catch (ex) {
if (!(ex instanceof Downloads.Error) || !ex.becauseBlocked) {
throw ex;
}
Assert.ok(ex.becauseBlockedByParentalControls);
Assert.ok(download.error.becauseBlockedByParentalControls);
}
// Now that the download stopped, the target file should not exist.
Assert.equal(false, await IOUtils.exists(download.target.path));
cleanup();
});
/**
* Test a download that will be blocked by Windows parental controls by
* resulting in an HTTP status code of 450.
*/
add_task(async function test_blocked_parental_controls_httpstatus450() {
let download;
try {
if (!gUseLegacySaver) {
download = await promiseNewDownload(httpUrl("parentalblocked.zip"));
await download.start();
} else {
download = await promiseStartLegacyDownload(
httpUrl("parentalblocked.zip")
);
await promiseDownloadStopped(download);
}
do_throw("The download should have blocked.");
} catch (ex) {
if (!(ex instanceof Downloads.Error) || !ex.becauseBlocked) {
throw ex;
}
Assert.ok(ex.becauseBlockedByParentalControls);
Assert.ok(download.error.becauseBlockedByParentalControls);
Assert.ok(download.stopped);
}
Assert.equal(false, await IOUtils.exists(download.target.path));
});
/**
* Check that DownloadCopySaver can always retrieve the hash.
* DownloadLegacySaver can only retrieve the hash when
* nsIExternalHelperAppService is invoked.
*/
add_task(async function test_getSha256Hash() {
if (!gUseLegacySaver) {
let download = await promiseStartDownload(httpUrl("source.txt"));
await promiseDownloadStopped(download);
Assert.ok(download.stopped);
Assert.equal(32, download.saver.getSha256Hash().length);
}
});
/**
* Checks that application reputation blocks the download and the target file
* does not exist.
*/
add_task(async function test_blocked_applicationReputation() {
let download = await promiseBlockedDownload({
keepPartialData: false,
keepBlockedData: false,
});
// Now that the download is blocked, the target file should not exist.
Assert.equal(false, await IOUtils.exists(download.target.path));
Assert.ok(!download.target.exists);
Assert.equal(download.target.size, 0);
// There should also be no blocked data in this case
Assert.ok(!download.hasBlockedData);
});
/**
* Checks that if a download restarts while processing an application reputation
* request, the status is handled correctly.
*/
add_task(async function test_blocked_applicationReputation_race() {
let isFirstShouldBlockCall = true;
let blockFn = () => ({
shouldBlockForReputationCheck(download) {
if (isFirstShouldBlockCall) {
isFirstShouldBlockCall = false;
// 2. Cancel and restart the download before the first attempt has a
// chance to finish.
download.cancel();
download.removePartialData();
download.start();
// 3. Allow the first attempt to finish with a blocked response.
return Promise.resolve({
shouldBlock: true,
verdict: Downloads.Error.BLOCK_VERDICT_UNCOMMON,
});
}
// 4/5. Don't block the download the second time. The race condition would
// occur with the first attempt regardless of whether the second one
// is blocked, but not blocking here makes the test simpler.
return Promise.resolve({
shouldBlock: false,
verdict: "",
});
},
shouldKeepBlockedData: () => Promise.resolve(true),
});
Integration.downloads.register(blockFn);
function cleanup() {
Integration.downloads.unregister(blockFn);
}
registerCleanupFunction(cleanup);
let download;
try {
// 1. Start the download and get a reference to the promise asociated with
// the first attempt, before allowing the response to continue.
download = await promiseStartDownload_tryToKeepPartialData({
useLegacySaver: gUseLegacySaver,
});
let firstAttempt = promiseDownloadStopped(download);
continueResponses();
// 4/5. Wait for the first attempt to be completed. The result of this
// should appear as a cancellation.
await firstAttempt;
do_throw("The first attempt should have been canceled.");
} catch (ex) {
// The "becauseBlocked" property should be false.
if (!(ex instanceof Downloads.Error) || ex.becauseBlocked) {
throw ex;
}
}
// 6. Wait for the second attempt to be completed.
await promiseDownloadStopped(download);
// 7. At this point, "hasBlockedData" should be false.
Assert.ok(!download.hasBlockedData);
cleanup();
});
/**
* Checks that application reputation blocks the download but maintains the
* blocked data, which will be deleted when the block is confirmed.
*/
add_task(async function test_blocked_applicationReputation_confirmBlock() {
let download = await promiseBlockedDownload({
keepPartialData: true,
keepBlockedData: true,
});
Assert.ok(download.hasBlockedData);
Assert.equal((await IOUtils.stat(download.target.path)).size, 0);
Assert.ok(await IOUtils.exists(download.target.partFilePath));
await download.confirmBlock();
// After confirming the block the download should be in a failed state and
// have no downloaded data left on disk.
Assert.ok(download.stopped);
Assert.ok(!download.succeeded);
Assert.ok(!download.hasBlockedData);
Assert.equal(false, await IOUtils.exists(download.target.partFilePath));
Assert.equal(false, await IOUtils.exists(download.target.path));
Assert.ok(!download.target.exists);
Assert.equal(download.target.size, 0);
});
/**
* Checks that application reputation blocks the download but maintains the
* blocked data, which will be used to complete the download when unblocking.
*/
add_task(async function test_blocked_applicationReputation_unblock() {
let download = await promiseBlockedDownload({
keepPartialData: true,
keepBlockedData: true,
useLegacySaver: gUseLegacySaver,
});
Assert.ok(download.hasBlockedData);
Assert.equal((await IOUtils.stat(download.target.path)).size, 0);
Assert.ok(await IOUtils.exists(download.target.partFilePath));
await download.unblock();
// After unblocking the download should have succeeded and be
// present at the final path.
Assert.ok(download.stopped);
Assert.ok(download.succeeded);
Assert.ok(!download.hasBlockedData);
Assert.equal(false, await IOUtils.exists(download.target.partFilePath));
await promiseVerifyTarget(download.target, TEST_DATA_SHORT + TEST_DATA_SHORT);
// The only indication the download was previously blocked is the
// existence of the error, so we make sure it's still set.
Assert.ok(download.error instanceof Downloads.Error);
Assert.ok(download.error.becauseBlocked);
Assert.ok(download.error.becauseBlockedByReputationCheck);
});
/**
* Check that calling cancel on a blocked download will not cause errors
*/
add_task(async function test_blocked_applicationReputation_cancel() {
let download = await promiseBlockedDownload({
keepPartialData: true,
keepBlockedData: true,
});
// This call should succeed on a blocked download.
await download.cancel();
// Calling cancel should not have changed the current state, the download
// should still be blocked.
Assert.ok(download.error.becauseBlockedByReputationCheck);
Assert.ok(download.stopped);
Assert.ok(!download.succeeded);
Assert.ok(download.hasBlockedData);
});
/**
* Checks that unblock and confirmBlock cannot race on a blocked download
*/
add_task(async function test_blocked_applicationReputation_decisionRace() {
let download = await promiseBlockedDownload({
keepPartialData: true,
keepBlockedData: true,
});
let unblockPromise = download.unblock();
let confirmBlockPromise = download.confirmBlock();
await confirmBlockPromise.then(
() => {
do_throw("confirmBlock should have failed.");
},
() => {}
);
await unblockPromise;
// After unblocking the download should have succeeded and be
// present at the final path.
Assert.ok(download.stopped);
Assert.ok(download.succeeded);
Assert.ok(!download.hasBlockedData);
Assert.equal(false, await IOUtils.exists(download.target.partFilePath));
Assert.ok(await IOUtils.exists(download.target.path));
download = await promiseBlockedDownload({
keepPartialData: true,
keepBlockedData: true,
});
confirmBlockPromise = download.confirmBlock();
unblockPromise = download.unblock();
await unblockPromise.then(
() => {
do_throw("unblock should have failed.");
},
() => {}
);
await confirmBlockPromise;
// After confirming the block the download should be in a failed state and
// have no downloaded data left on disk.
Assert.ok(download.stopped);
Assert.ok(!download.succeeded);
Assert.ok(!download.hasBlockedData);
Assert.equal(false, await IOUtils.exists(download.target.partFilePath));
Assert.equal(false, await IOUtils.exists(download.target.path));
Assert.ok(!download.target.exists);
Assert.equal(download.target.size, 0);
});
/**
* Checks that unblocking a blocked download fails if the blocked data has been
* removed.
*/
add_task(async function test_blocked_applicationReputation_unblock() {
let download = await promiseBlockedDownload({
keepPartialData: true,
keepBlockedData: true,
});
Assert.ok(download.hasBlockedData);
Assert.ok(await IOUtils.exists(download.target.partFilePath));
// Remove the blocked data without telling the download.
await IOUtils.remove(download.target.partFilePath);
let unblockPromise = download.unblock();
await unblockPromise.then(
() => {
do_throw("unblock should have failed.");
},
() => {}
);
// Even though unblocking failed the download state should have been updated
// to reflect the lack of blocked data.
Assert.ok(!download.hasBlockedData);
Assert.ok(download.stopped);
Assert.ok(!download.succeeded);
Assert.ok(!download.target.exists);
Assert.equal(download.target.size, 0);
});
/**
* download.showContainingDirectory() action
*/
add_task(async function test_showContainingDirectory() {
let targetPath = getTempFile(TEST_TARGET_FILE_NAME).path;
let download = await Downloads.createDownload({
source: { url: httpUrl("source.txt") },
target: "",
});
let promiseDirectoryShown = waitForDirectoryShown();
await download.showContainingDirectory();
let path = await promiseDirectoryShown;
try {
new FileUtils.File(path);
do_throw("Should have failed because of an invalid path.");
} catch (ex) {
if (!(ex instanceof Components.Exception)) {
throw ex;
}
// Invalid paths on Windows are reported with NS_ERROR_FAILURE,
// but with NS_ERROR_FILE_UNRECOGNIZED_PATH on Mac/Linux
let validResult =
ex.result == Cr.NS_ERROR_FILE_UNRECOGNIZED_PATH ||
ex.result == Cr.NS_ERROR_FAILURE;
Assert.ok(validResult);
}
download = await Downloads.createDownload({
source: { url: httpUrl("source.txt") },
target: targetPath,
});
promiseDirectoryShown = waitForDirectoryShown();
download.showContainingDirectory();
await promiseDirectoryShown;
});
/**
* download.launch() action
*/
add_task(async function test_launch() {
let customLauncher = getTempFile("app-launcher");
// Test both with and without setting a custom application.
for (let launcherPath of [null, customLauncher.path]) {
let download;
if (!gUseLegacySaver) {
// When testing DownloadCopySaver, we have control over the download, thus
// we can test that file is not launched if download.succeeded is not set.
download = await Downloads.createDownload({
source: httpUrl("source.txt"),
target: getTempFile(TEST_TARGET_FILE_NAME).path,
launcherPath,
launchWhenSucceeded: true,
});
try {
await download.launch();
do_throw("Can't launch download file as it has not completed yet");
} catch (ex) {
Assert.equal(
ex.message,
"launch can only be called if the download succeeded"
);
}
Assert.ok(download.launchWhenSucceeded);
await download.start();
} else {
// When testing DownloadLegacySaver, the download is already started when
// it is created, thus we don't test calling "launch" before starting.
download = await promiseStartLegacyDownload(httpUrl("source.txt"), {
launcherPath,
launchWhenSucceeded: true,
});
Assert.ok(download.launchWhenSucceeded);
await promiseDownloadStopped(download);
}
let promiseFileLaunched = waitForFileLaunched();
download.launch();
let result = await promiseFileLaunched;
// Verify that the results match the test case.
if (!launcherPath) {
// This indicates that the default handler has been chosen.
Assert.ok(result === null);
} else {
// Check the nsIMIMEInfo instance that would have been used for launching.
Assert.equal(result.preferredAction, Ci.nsIMIMEInfo.useHelperApp);
Assert.ok(
result.preferredApplicationHandler
.QueryInterface(Ci.nsILocalHandlerApp)
.executable.equals(customLauncher)
);
}
}
});
/**
* Test passing an invalid path as the launcherPath property.
*/
add_task(async function test_launcherPath_invalid() {
let download = await Downloads.createDownload({
source: { url: httpUrl("source.txt") },
target: { path: getTempFile(TEST_TARGET_FILE_NAME).path },
launcherPath: " ",
});
let promiseDownloadLaunched = new Promise(resolve => {
let waitFn = base => {
let launchOverride = {
launchDownload() {
Integration.downloads.unregister(waitFn);
let superPromise = super.launchDownload(...arguments);
resolve(superPromise);
return superPromise;
},
};
Object.setPrototypeOf(launchOverride, base);
return launchOverride;
};
Integration.downloads.register(waitFn);
});
await download.start();
try {
download.launch();
await promiseDownloadLaunched;
do_throw("Can't launch file with invalid custom launcher");
} catch (ex) {
if (!(ex instanceof Components.Exception)) {
throw ex;
}
// Invalid paths on Windows are reported with NS_ERROR_FAILURE,
// but with NS_ERROR_FILE_UNRECOGNIZED_PATH on Mac/Linux
let validResult =
ex.result == Cr.NS_ERROR_FILE_UNRECOGNIZED_PATH ||
ex.result == Cr.NS_ERROR_FAILURE;
Assert.ok(validResult);
}
});
/**
* Tests that download.launch() is automatically called after
* the download finishes if download.launchWhenSucceeded = true
*/
add_task(async function test_launchWhenSucceeded() {
let customLauncher = getTempFile("app-launcher");
// Test both with and without setting a custom application.
for (let launcherPath of [null, customLauncher.path]) {
let promiseFileLaunched = waitForFileLaunched();
if (!gUseLegacySaver) {
let download = await Downloads.createDownload({
source: httpUrl("source.txt"),
target: getTempFile(TEST_TARGET_FILE_NAME).path,
launchWhenSucceeded: true,
launcherPath,
});
await download.start();
} else {
let download = await promiseStartLegacyDownload(httpUrl("source.txt"), {
launcherPath,
launchWhenSucceeded: true,
});
await promiseDownloadStopped(download);
}
let result = await promiseFileLaunched;
// Verify that the results match the test case.
if (!launcherPath) {
// This indicates that the default handler has been chosen.
Assert.ok(result === null);
} else {
// Check the nsIMIMEInfo instance that would have been used for launching.
Assert.equal(result.preferredAction, Ci.nsIMIMEInfo.useHelperApp);
Assert.ok(
result.preferredApplicationHandler
.QueryInterface(Ci.nsILocalHandlerApp)
.executable.equals(customLauncher)
);
}
}
});
/**
* Tests that the proper content type is set for a normal download.
*/
add_task(async function test_contentType() {
let download = await promiseStartDownload(httpUrl("source.txt"));
await promiseDownloadStopped(download);
Assert.equal("text/plain", download.contentType);
});
/**
* Tests that the serialization/deserialization of the startTime Date
* object works correctly.
*/
add_task(async function test_toSerializable_startTime() {
let download1 = await promiseStartDownload(httpUrl("source.txt"));
await promiseDownloadStopped(download1);
let serializable = download1.toSerializable();
let reserialized = JSON.parse(JSON.stringify(serializable));
let download2 = await Downloads.createDownload(reserialized);
Assert.equal(download1.startTime.constructor.name, "Date");
Assert.equal(download2.startTime.constructor.name, "Date");
Assert.equal(download1.startTime.toJSON(), download2.startTime.toJSON());
});
/**
* Checks that downloads are added to browsing history when they start.
*/
add_task(async function test_history() {
mustInterruptResponses();
let sourceUrl = httpUrl("interruptible.txt");
// We will wait for the visit to be notified during the download.
await PlacesUtils.history.clear();
let promiseVisit = promiseWaitForVisit(sourceUrl);
// Start a download that is not allowed to finish yet.
let download = await promiseStartDownload(sourceUrl);
let expectedFile = new FileUtils.File(download.target.path);
let expectedFileURI = Services.io.newFileURI(expectedFile);
let promiseAnnotation = waitForAnnotation(
sourceUrl,
"downloads/destinationFileURI",
expectedFileURI.spec
);
// The history and annotation notifications should be received before the download completes.
let [time, transitionType, lastKnownTitle] = await promiseVisit;
await promiseAnnotation;
Assert.equal(time, download.startTime.getTime());
Assert.equal(transitionType, Ci.nsINavHistoryService.TRANSITION_DOWNLOAD);
Assert.equal(lastKnownTitle, expectedFile.leafName);
let pageInfo = await PlacesUtils.history.fetch(sourceUrl, {
includeAnnotations: true,
});
Assert.equal(
pageInfo.annotations.get("downloads/destinationFileURI"),
expectedFileURI.spec,
"Should have saved the correct download target annotation."
);
// Restart and complete the download after clearing history.
await PlacesUtils.history.clear();
download.cancel();
continueResponses();
await download.start();
// The restart should not have added a new history visit.
Assert.equal(false, await PlacesUtils.history.hasVisits(sourceUrl));
});
/**
* Checks that downloads started by nsIHelperAppService are added to the
* browsing history when they start.
*/
add_task(async function test_history_tryToKeepPartialData() {
// We will wait for the visit to be notified during the download.
await PlacesUtils.history.clear();
let promiseVisit = promiseWaitForVisit(
httpUrl("interruptible_resumable.txt")
);
// Start a download that is not allowed to finish yet.
let beforeStartTimeMs = Date.now();
let download = await promiseStartDownload_tryToKeepPartialData({
useLegacySaver: gUseLegacySaver,
});
// The history notifications should be received before the download completes.
let [time, transitionType] = await promiseVisit;
Assert.equal(transitionType, Ci.nsINavHistoryService.TRANSITION_DOWNLOAD);
// The time set by nsIHelperAppService may be different than the start time in
// the download object, thus we only check that it is a meaningful time. Note
// that we subtract one second from the earliest time to account for rounding.
Assert.ok(time >= beforeStartTimeMs - 1000);
// Complete the download before finishing the test.
continueResponses();
await promiseDownloadStopped(download);
});
/**
* Checks that finished downloads are not removed.
*/
add_task(async function test_download_cancel_retry_finalize() {
// Start a download that is not allowed to finish yet.
let sourceUrl = httpUrl("interruptible.txt");
let targetFilePath = getTempFile(TEST_TARGET_FILE_NAME).path;
mustInterruptResponses();
let download1 = await Downloads.createDownload({
source: sourceUrl,
target: { path: targetFilePath, partFilePath: targetFilePath + ".part" },
});
download1.start().catch(() => {});
await promiseDownloadMidway(download1);
await promisePartFileReady(download1);
// Cancel the download and make sure that the partial data do not exist.
await download1.cancel();
Assert.equal(targetFilePath, download1.target.path);
Assert.equal(false, await IOUtils.exists(download1.target.path));
Assert.equal(false, await IOUtils.exists(download1.target.partFilePath));
continueResponses();
// Download the same file again with a different download session.
let download2 = await Downloads.createDownload({
source: sourceUrl,
target: { path: targetFilePath, partFilePath: targetFilePath + ".part" },
});
download2.start().catch(() => {});
// Wait for download to be completed.
await promiseDownloadStopped(download2);
Assert.equal(targetFilePath, download2.target.path);
Assert.ok(await IOUtils.exists(download2.target.path));
Assert.equal(false, await IOUtils.exists(download2.target.partFilePath));
// Finalize the first download session.
await download1.finalize(true);
// The complete download should not have been removed.
Assert.ok(await IOUtils.exists(download2.target.path));
Assert.equal(false, await IOUtils.exists(download2.target.partFilePath));
});
/**
* Checks that confirmBlock does not clobber unrelated safe files.
*/
add_task(async function test_blocked_removeByHand_confirmBlock() {
let download1 = await promiseBlockedDownload({
keepPartialData: true,
keepBlockedData: true,
});
Assert.ok(download1.hasBlockedData);
Assert.equal((await IOUtils.stat(download1.target.path)).size, 0);
Assert.ok(await IOUtils.exists(download1.target.partFilePath));
// Remove the placeholder without telling the download.
await IOUtils.remove(download1.target.path);
Assert.equal(false, await IOUtils.exists(download1.target.path));
// Download a file with the same name as the blocked download.
let download2 = await Downloads.createDownload({
source: httpUrl("interruptible_resumable.txt"),
target: {
path: download1.target.path,
partFilePath: download1.target.path + ".part",
},
});
download2.start().catch(() => {});
// Wait for download to be completed.
await promiseDownloadStopped(download2);
Assert.equal(download1.target.path, download2.target.path);
Assert.ok(await IOUtils.exists(download2.target.path));
// Remove the blocked download.
await download1.confirmBlock();
// After confirming the complete download should not have been removed.
Assert.ok(await IOUtils.exists(download2.target.path));
});
/**
* Tests that the temp download files are removed on exit and exiting private
* mode after they have been launched.
*/
add_task(async function test_launchWhenSucceeded_deleteTempFileOnExit() {
let customLauncherPath = getTempFile("app-launcher").path;
let autoDeleteTargetPathOne = getTempFile(TEST_TARGET_FILE_NAME).path;
let autoDeleteTargetPathTwo = getTempFile(TEST_TARGET_FILE_NAME).path;
let noAutoDeleteTargetPath = getTempFile(TEST_TARGET_FILE_NAME).path;
let autoDeleteDownloadOne = await Downloads.createDownload({
source: { url: httpUrl("source.txt"), isPrivate: true },
target: autoDeleteTargetPathOne,
launchWhenSucceeded: true,
launcherPath: customLauncherPath,
});
await autoDeleteDownloadOne.start();
Services.prefs.setBoolPref(kDeleteTempFileOnExit, true);
let autoDeleteDownloadTwo = await Downloads.createDownload({
source: httpUrl("source.txt"),
target: autoDeleteTargetPathTwo,
launchWhenSucceeded: true,
launcherPath: customLauncherPath,
});
await autoDeleteDownloadTwo.start();
Services.prefs.setBoolPref(kDeleteTempFileOnExit, false);
let noAutoDeleteDownload = await Downloads.createDownload({
source: httpUrl("source.txt"),
target: noAutoDeleteTargetPath,
launchWhenSucceeded: true,
launcherPath: customLauncherPath,
});
await noAutoDeleteDownload.start();
Services.prefs.clearUserPref(kDeleteTempFileOnExit);
Assert.ok(await IOUtils.exists(autoDeleteTargetPathOne));
Assert.ok(await IOUtils.exists(autoDeleteTargetPathTwo));
Assert.ok(await IOUtils.exists(noAutoDeleteTargetPath));
// Simulate leaving private browsing mode
Services.obs.notifyObservers(null, "last-pb-context-exited");
Assert.equal(false, await IOUtils.exists(autoDeleteTargetPathOne));
// Simulate browser shutdown
let expire = Cc[
"@mozilla.org/uriloader/external-helper-app-service;1"
].getService(Ci.nsIObserver);
expire.observe(null, "profile-before-change", null);
// The file should still exist following the simulated shutdown.
Assert.ok(await IOUtils.exists(autoDeleteTargetPathTwo));
Assert.ok(await IOUtils.exists(noAutoDeleteTargetPath));
});
add_task(async function test_partitionKey() {
let targetFile = getTempFile(TEST_TARGET_FILE_NAME);
Services.prefs.setBoolPref("privacy.partition.network_state", true);
function promiseVerifyDownloadChannel(url, partitionKey) {
return TestUtils.topicObserved("http-on-modify-request", subject => {
let httpChannel = subject.QueryInterface(Ci.nsIHttpChannel);
if (httpChannel.URI.spec != url) {
return false;
}
let reqLoadInfo = httpChannel.loadInfo;
let cookieJarSettings = reqLoadInfo.cookieJarSettings;
// Check the partitionKey of the cookieJarSettings.
Assert.equal(cookieJarSettings.partitionKey, partitionKey);
return true;
});
}
let test_url = httpUrl("source.txt");
let uri = Services.io.newURI(test_url);
let cookieJarSettings = Cc["@mozilla.org/cookieJarSettings;1"].createInstance(
Ci.nsICookieJarSettings
);
cookieJarSettings.initWithURI(uri, false);
let expectedPartitionKey = cookieJarSettings.partitionKey;
let verifyPromise;
let download;
if (!gUseLegacySaver) {
// When testing DownloadCopySaver, we have control over the download, thus
// we can check its basic properties before it starts.
download = await Downloads.createDownload({
source: { url: test_url, cookieJarSettings },
target: { path: targetFile.path },
saver: { type: "copy" },
});
Assert.equal(download.source.url, test_url);
Assert.equal(download.target.path, targetFile.path);
verifyPromise = promiseVerifyDownloadChannel(
test_url,
expectedPartitionKey
);
await download.start();
} else {
verifyPromise = promiseVerifyDownloadChannel(
test_url,
expectedPartitionKey
);
// When testing DownloadLegacySaver, the download is already started when it
// is created, thus we must check its basic properties while in progress.
download = await promiseStartLegacyDownload(null, {
targetFile,
cookieJarSettings,
});
Assert.equal(download.source.url, test_url);
Assert.equal(download.target.path, targetFile.path);
await promiseDownloadStopped(download);
}
await verifyPromise;
Services.prefs.clearUserPref("privacy.partition.network_state");
});