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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "gtest/gtest.h"
#include "mozilla/Components.h"
#include "nsIURLQueryStringStripper.h"
#include "nsIURI.h"
#include "nsNetUtil.h"
#include "nsStringFwd.h"
#include "mozilla/Preferences.h"
#include "mozilla/SpinEventLoopUntil.h"
#include "mozilla/URLQueryStringStripper.h"
using namespace mozilla;
static const char kPrefQueryStrippingEnabled[] =
"privacy.query_stripping.enabled";
static const char kPrefQueryStrippingEnabledPBM[] =
"privacy.query_stripping.enabled.pbmode";
static const char kPrefQueryStrippingList[] =
"privacy.query_stripping.strip_list";
/**
* Waits for the strip list in the URLQueryStringStripper to match aExpected.
*/
void waitForStripListChange(const nsACString& aExpected) {
nsresult rv;
nsCOMPtr<nsIURLQueryStringStripper> queryStripper =
components::URLQueryStringStripper::Service(&rv);
EXPECT_TRUE(NS_SUCCEEDED(rv));
MOZ_ALWAYS_TRUE(mozilla::SpinEventLoopUntil(
"TestURLQueryStringStripper waitForStripListChange"_ns, [&]() -> bool {
nsAutoCString stripList;
rv = queryStripper->TestGetStripList(stripList);
return NS_SUCCEEDED(rv) && stripList.Equals(aExpected);
}));
}
void DoTest(const nsACString& aTestURL, const bool aIsPBM,
const nsACString& aExpectedURL, uint32_t aExpectedResult) {
nsCOMPtr<nsIURI> testURI;
NS_NewURI(getter_AddRefs(testURI), aTestURL);
nsresult rv;
nsCOMPtr<nsIURLQueryStringStripper> queryStripper =
components::URLQueryStringStripper::Service(&rv);
EXPECT_TRUE(NS_SUCCEEDED(rv));
nsCOMPtr<nsIURI> strippedURI;
uint32_t numStripped;
rv = queryStripper->Strip(testURI, aIsPBM, getter_AddRefs(strippedURI),
&numStripped);
EXPECT_TRUE(NS_SUCCEEDED(rv));
EXPECT_TRUE(numStripped == aExpectedResult);
if (!numStripped) {
EXPECT_TRUE(!strippedURI);
} else {
EXPECT_TRUE(strippedURI->GetSpecOrDefault().Equals(aExpectedURL));
}
}
TEST(TestURLQueryStringStripper, TestPrefDisabled)
{
// Disable the query string stripping by the pref and make sure the stripping
// is disabled.
// Note that we don't need to run a dummy test to create the
// URLQueryStringStripper here because the stripper will never be created if
// the query stripping is disabled.
Preferences::SetCString(kPrefQueryStrippingList, "fooBar foobaz");
Preferences::SetBool(kPrefQueryStrippingEnabled, false);
Preferences::SetBool(kPrefQueryStrippingEnabledPBM, false);
for (bool isPBM : {false, true}) {
DoTest("https://example.com/"_ns, isPBM, ""_ns, 0);
DoTest("https://example.com/?Barfoo=123"_ns, isPBM, ""_ns, 0);
DoTest("https://example.com/?fooBar=123&foobaz"_ns, isPBM, ""_ns, 0);
}
}
TEST(TestURLQueryStringStripper, TestEmptyStripList)
{
// Make sure there is no error if the strip list is empty.
Preferences::SetBool(kPrefQueryStrippingEnabled, true);
Preferences::SetBool(kPrefQueryStrippingEnabledPBM, true);
// To create the URLQueryStringStripper, we need to run a dummy test after
// the query stripping is enabled. By doing this, the stripper will be
// initiated and we are good to test.
DoTest("https://example.com/"_ns, false, ""_ns, 0);
// Set the strip list to empty and wait until the pref setting is set to the
// stripper.
Preferences::SetCString(kPrefQueryStrippingList, "");
waitForStripListChange(""_ns);
for (bool isPBM : {false, true}) {
DoTest("https://example.com/"_ns, isPBM, ""_ns, 0);
DoTest("https://example.com/?Barfoo=123"_ns, isPBM, ""_ns, 0);
DoTest("https://example.com/?fooBar=123&foobaz"_ns, isPBM, ""_ns, 0);
}
}
TEST(TestURLQueryStringStripper, TestStripping)
{
Preferences::SetBool(kPrefQueryStrippingEnabled, true);
Preferences::SetBool(kPrefQueryStrippingEnabledPBM, true);
DoTest("https://example.com/"_ns, false, ""_ns, 0);
Preferences::SetCString(kPrefQueryStrippingList, "fooBar foobaz");
waitForStripListChange("foobar foobaz"_ns);
// Test all pref combinations.
for (bool pref : {false, true}) {
for (bool prefPBM : {false, true}) {
Preferences::SetBool(kPrefQueryStrippingEnabled, pref);
Preferences::SetBool(kPrefQueryStrippingEnabledPBM, prefPBM);
// If the service is enabled with the given pref config we need for the
// list changes to propagate as they happen async.
if (pref || prefPBM) {
waitForStripListChange("foobar foobaz"_ns);
}
// Test with normal and private browsing mode.
for (bool isPBM : {false, true}) {
bool expectStrip = (prefPBM && isPBM) || (pref && !isPBM);
DoTest("https://example.com/"_ns, isPBM, ""_ns, 0);
DoTest("https://example.com/?Barfoo=123"_ns, isPBM, ""_ns, 0);
DoTest("https://example.com/?fooBar=123"_ns, isPBM,
"https://example.com/"_ns, expectStrip ? 1 : 0);
DoTest("https://example.com/?fooBar=123&foobaz"_ns, isPBM,
"https://example.com/"_ns, expectStrip ? 2 : 0);
DoTest("https://example.com/?fooBar=123&Barfoo=456&foobaz"_ns, isPBM,
"https://example.com/?Barfoo=456"_ns, expectStrip ? 2 : 0);
DoTest("https://example.com/?FOOBAR=123"_ns, isPBM,
"https://example.com/"_ns, expectStrip ? 1 : 0);
DoTest("https://example.com/?barfoo=foobar"_ns, isPBM,
"https://example.com/?barfoo=foobar"_ns, 0);
DoTest("https://example.com/?foobar=123&nostrip=456&FooBar=789"_ns,
isPBM, "https://example.com/?nostrip=456"_ns,
expectStrip ? 2 : 0);
DoTest("https://example.com/?AfoobazB=123"_ns, isPBM,
"https://example.com/?AfoobazB=123"_ns, 0);
}
}
}
// Change the strip list pref to see if it is updated properly.
// We test this in normal browsing, so set the prefs accordingly.
Preferences::SetBool(kPrefQueryStrippingEnabled, true);
Preferences::SetBool(kPrefQueryStrippingEnabledPBM, false);
Preferences::SetCString(kPrefQueryStrippingList, "Barfoo bazfoo");
waitForStripListChange("barfoo bazfoo"_ns);
DoTest("https://example.com/?fooBar=123"_ns, false, ""_ns, 0);
DoTest("https://example.com/?fooBar=123&foobaz"_ns, false, ""_ns, 0);
DoTest("https://example.com/?bazfoo=123"_ns, false, "https://example.com/"_ns,
1);
DoTest("https://example.com/?fooBar=123&Barfoo=456&foobaz=abc"_ns, false,
"https://example.com/?fooBar=123&foobaz=abc"_ns, 1);
}
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