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[tor-commits] [tor-browser/tor-browser-88.0-10.5-1] Bug 16620: Clear window.name when no referrer sent
commit b7f4e2cffb49722b7fdbbc1f059fe719302cb72d
Author: Kathy Brade <brade@xxxxxxxxxxxxxxxxx>
Date: Fri Oct 30 14:28:13 2015 -0400
Bug 16620: Clear window.name when no referrer sent
Convert JS implementation (within Torbutton) to a C++ browser patch.
---
docshell/base/nsDocShell.cpp | 60 +++++++
docshell/test/mochitest/mochitest.ini | 5 +
docshell/test/mochitest/test_tor_bug16620.html | 211 +++++++++++++++++++++++++
docshell/test/mochitest/tor_bug16620.html | 51 ++++++
docshell/test/mochitest/tor_bug16620_form.html | 51 ++++++
modules/libpref/init/StaticPrefList.yaml | 2 +-
6 files changed, 379 insertions(+), 1 deletion(-)
diff --git a/docshell/base/nsDocShell.cpp b/docshell/base/nsDocShell.cpp
index dffed2bfcca2..cafe98a96c0d 100644
--- a/docshell/base/nsDocShell.cpp
+++ b/docshell/base/nsDocShell.cpp
@@ -7949,11 +7949,71 @@ nsresult nsDocShell::CreateContentViewer(const nsACString& aContentType,
aOpenedChannel->GetURI(getter_AddRefs(mLoadingURI));
}
FirePageHideNotification(!mSavingOldViewer);
+
if (mIsBeingDestroyed) {
// Force to stop the newly created orphaned viewer.
viewer->Stop();
return NS_ERROR_DOCSHELL_DYING;
}
+
+ // Tor bug 16620: Clear window.name of top-level documents if
+ // there is no referrer. We make an exception for new windows,
+ // e.g., window.open(url, "MyName").
+ bool isNewWindowTarget = false;
+ nsCOMPtr<nsIPropertyBag2> props(do_QueryInterface(aRequest, &rv));
+ if (props) {
+ props->GetPropertyAsBool(u"docshell.newWindowTarget"_ns,
+ &isNewWindowTarget);
+ }
+
+ if (!isNewWindowTarget) {
+ nsCOMPtr<nsIHttpChannel> httpChannel(do_QueryInterface(aOpenedChannel));
+ nsCOMPtr<nsIURI> httpReferrer;
+ if (httpChannel) {
+ nsCOMPtr<nsIReferrerInfo> referrerInfo;
+ rv = httpChannel->GetReferrerInfo(getter_AddRefs(referrerInfo));
+ NS_ENSURE_SUCCESS(rv, rv);
+ if (referrerInfo) {
+ // We want GetComputedReferrer() instead of GetOriginalReferrer(), since
+ // the former takes into consideration referrer policy, protocol
+ // whitelisting...
+ httpReferrer = referrerInfo->GetComputedReferrer();
+ }
+ }
+
+ bool isTopFrame = mBrowsingContext->IsTop();
+
+#ifdef DEBUG_WINDOW_NAME
+ printf("DOCSHELL %p CreateContentViewer - possibly clearing window.name:\n",
+ this);
+ printf(" current window.name: \"%s\"\n",
+ NS_ConvertUTF16toUTF8(mName).get());
+
+ nsAutoCString curSpec, loadingSpec;
+ if (this->mCurrentURI) mCurrentURI->GetSpec(curSpec);
+ if (mLoadingURI) mLoadingURI->GetSpec(loadingSpec);
+ printf(" current URI: %s\n", curSpec.get());
+ printf(" loading URI: %s\n", loadingSpec.get());
+ printf(" is top document: %s\n", isTopFrame ? "Yes" : "No");
+
+ if (!httpReferrer) {
+ printf(" referrer: None\n");
+ } else {
+ nsAutoCString refSpec;
+ httpReferrer->GetSpec(refSpec);
+ printf(" referrer: %s\n", refSpec.get());
+ }
+#endif
+
+ bool clearName = isTopFrame && !httpReferrer;
+ if (clearName) SetName(u""_ns);
+
+#ifdef DEBUG_WINDOW_NAME
+ printf(" action taken: %s window.name\n",
+ clearName ? "Cleared" : "Preserved");
+#endif
+ }
+
mLoadingURI = nullptr;
// Set mFiredUnloadEvent = false so that the unload handler for the
diff --git a/docshell/test/mochitest/mochitest.ini b/docshell/test/mochitest/mochitest.ini
index 546138a37e3c..f603d191ca09 100644
--- a/docshell/test/mochitest/mochitest.ini
+++ b/docshell/test/mochitest/mochitest.ini
@@ -53,6 +53,10 @@ support-files =
start_historyframe.html
url1_historyframe.html
url2_historyframe.html
+ tor_bug16620.html
+ tor_bug16620_form.html
+prefs =
+ gfx.font_rendering.fallback.async=false
[test_anchor_scroll_after_document_open.html]
[test_bfcache_plus_hash.html]
@@ -122,6 +126,7 @@ support-files =
[test_framedhistoryframes.html]
support-files = file_framedhistoryframes.html
[test_pushState_after_document_open.html]
+[test_tor_bug16620.html]
[test_navigate_after_pagehide.html]
[test_redirect_history.html]
support-files =
diff --git a/docshell/test/mochitest/test_tor_bug16620.html b/docshell/test/mochitest/test_tor_bug16620.html
new file mode 100644
index 000000000000..46fff5a04711
--- /dev/null
+++ b/docshell/test/mochitest/test_tor_bug16620.html
@@ -0,0 +1,211 @@
+<!DOCTYPE HTML>
+<html>
+<!--
+ Tor Bug 16620: Clear window.name when no referrer sent.
+ https://trac.torproject.org/projects/tor/ticket/16620
+-->
+<meta charset="utf-8">
+<head>
+ <title>Test for Tor Bug 16620 - Clear window.name when no referrer sent</title>
+ <script type="application/javascript"
+ src="/tests/SimpleTest/SimpleTest.js"></script>
+ <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
+</head>
+<body>
+<a target="_blank" href="https://trac.torproject.org/projects/tor/ticket/16620";>Tor Bug 16620</a>
+<script>
+// ## Test constants
+const kTestPath = "/tests/docshell/test/mochitest/";
+const kLinkFile = "tor_bug16620.html";
+const kFormFile = "tor_bug16620_form.html";
+const kBaseURL1 = "http://example.com";;
+const kBaseURL1_https = "https://example.com";;
+const kBaseURL2 = "http://example.net";;
+const kSendReferrerPref = "network.http.sendRefererHeader";
+const kSendReferrerNever = 0;
+const kSendReferrerForUserAction = 1;
+const kSendReferrerAlways = 2;
+
+let gTests = [
+ // Test #1: Same domain; never send referrer.
+ { startURL: kBaseURL1, destURL: kBaseURL1,
+ referrerPref: kSendReferrerNever,
+ expectIsolation: true },
+
+ // Test #2: Same domain; send referrer upon user action.
+ { startURL: kBaseURL1, destURL: kBaseURL1,
+ referrerPref: kSendReferrerForUserAction,
+ expectIsolation: false },
+
+ // Test #3: Same domain; always send referrer.
+ { startURL: kBaseURL1, destURL: kBaseURL1,
+ referrerPref: kSendReferrerAlways,
+ expectIsolation: false },
+
+ // Test #4: Different top-level domains; never send referrer.
+ { startURL: kBaseURL1, destURL: kBaseURL2,
+ referrerPref: kSendReferrerNever,
+ expectIsolation: true },
+
+ // Test #5: Different top-level domains; send referrer upon user action.
+ { startURL: kBaseURL1, destURL: kBaseURL2,
+ referrerPref: kSendReferrerForUserAction,
+ expectIsolation: false },
+
+ // Test #6: Different top-level domains; always send referrer.
+ { startURL: kBaseURL1, destURL: kBaseURL2,
+ referrerPref: kSendReferrerAlways,
+ expectIsolation: false },
+
+ // Test #7: https -> http transition.
+ { startURL: kBaseURL1_https, destURL: kBaseURL1,
+ referrerPref: kSendReferrerForUserAction,
+ expectIsolation: true },
+
+ // Test #8: Same domain, rel="noreferrer" on link.
+ { startURL: kBaseURL1, destURL: kBaseURL1, noReferrerOnLink: true,
+ referrerPref: kSendReferrerAlways,
+ expectIsolation: true },
+
+ // Test #9: Same domain, "no-referrer" meta tag in document.
+ { startURL: kBaseURL1, destURL: kBaseURL1, noReferrerInMetaTag: true,
+ referrerPref: kSendReferrerAlways,
+ expectIsolation: true },
+
+ // Test #10: Like test #9, but reset window.name during unload.
+ // (similar to http://www.thomasfrank.se/sessvarsTestPage1.html)
+ { startURL: kBaseURL1, destURL: kBaseURL1, noReferrerInMetaTag: true,
+ resetInUnload: true,
+ referrerPref: kSendReferrerAlways,
+ expectIsolation: true },
+
+ // Test #11: Data URL as destination (no referrer).
+ { startURL: kBaseURL1,
+ referrerPref: kSendReferrerAlways,
+ expectIsolation: true },
+
+ // Test #12: Ensure that window.name is preserved when a dynamically loaded
+ // iframe is used to perform a form post (regression test for Tor bug 18168).
+ { startURL: kBaseURL1,
+ isFormTest: true,
+ referrerPref: kSendReferrerAlways,
+ expectIsolation: false },
+];
+
+let gCurTest = 0;
+let gCurWinName, gChildWin, gDataURL;
+
+// ## Utility functions
+function generateRandomName()
+{
+ // Generate a random 6 character string using 0-9 and a-z.
+ return ((1 + Math.random()).toString(36) + '000000').substr(2, 6);
+}
+
+function startNextTest() {
+ ++gCurTest;
+ if (gCurTest > gTests.length) {
+ SimpleTest.finish();
+ } else {
+ let curTest = gTests[gCurTest - 1];
+ if ("referrerPref" in curTest)
+ SpecialPowers.setIntPref(kSendReferrerPref, curTest.referrerPref);
+ else
+ SpecialPowers.setIntPref(kSendReferrerPref, kSendReferrerForUserAction);
+ gCurWinName = generateRandomName();
+ let url = curTest.startURL + kTestPath;
+ if (curTest.isFormTest === true) {
+ url += kFormFile + "?" + gCurWinName;
+ gChildWin = window.open(url, undefined);
+ } else {
+ url += kLinkFile + "?firstDocLoaded";
+ gChildWin = window.open(url, gCurWinName);
+ }
+ }
+}
+
+// ## Add a message event listener.
+window.addEventListener("message", function(aEvent) {
+ if (aEvent.source !== gChildWin)
+ return;
+
+// console.log("parent received message:" + JSON.stringify(aEvent.data));
+
+ let proceedToNextTest = false;
+ let curTest = gTests[gCurTest - 1];
+ let state = aEvent.data.state;
+ let winName = aEvent.data.winName;
+ if ("firstDocLoaded" == state) {
+ // Process response from step one of the link-based tests.
+ let step1Passed = (winName === gCurWinName);
+ if (!step1Passed) {
+ ok(step1Passed, "Test #" + gCurTest +
+ " - first document's name matches window.open parameter");
+ proceedToNextTest = true;
+ }
+
+ // Send an "openURL" message to the loaded document.
+ let url2 = (curTest.destURL)
+ ? curTest.destURL + kTestPath + kLinkFile + "?secondDocLoaded"
+ : gDataURL;
+ let noReferrerOnLink = (curTest.noReferrerOnLink === true);
+ let noReferrerInMetaTag = (curTest.noReferrerInMetaTag === true);
+ let resetInUnload = (curTest.resetInUnload === true);
+ aEvent.source.postMessage({ action: "openURL", url: url2,
+ noReferrerOnLink: noReferrerOnLink,
+ noReferrerInMetaTag: noReferrerInMetaTag,
+ resetInUnload: resetInUnload },
+ "*");
+ } else if ("secondDocLoaded" == state) {
+ // Process response from step two of the link-based tests.
+ if (curTest.expectIsolation) {
+ ok(winName === "",
+ "Test #" + gCurTest + " - second document: name was cleared");
+ } else {
+ ok(winName === gCurWinName,
+ "Test #" + gCurTest + " - second document: name was preserved");
+ }
+ proceedToNextTest = true;
+ } else if ("formPostDone" == state) {
+ // Process response from the form post tests.
+ if (curTest.expectIsolation) {
+ ok(winName === "",
+ "Test #" + gCurTest + " - iframe form post: name was cleared");
+ } else {
+ ok(winName === gCurWinName,
+ "Test #" + gCurTest + " - iframe form post: name was preserved");
+ }
+ proceedToNextTest = true;
+
+ }
+
+ if (proceedToNextTest) {
+ gChildWin.close();
+ startNextTest();
+ }
+ }, false);
+
+ SimpleTest.waitForExplicitFinish();
+
+ if (SpecialPowers.getBoolPref("security.nocertdb")) {
+ // Mochitests don't simulate https correctly with "security.nocertdb"
+ // enabled. See https://bugs.torproject.org/18087
+ ok(false, "Please disable the pref `security.nocertdb` before running this test.");
+ SimpleTest.finish();
+ } else {
+
+ // Read file contents, construct a data URL (used by some tests), and
+ // then start the first test.
+ let url = kTestPath + kLinkFile;
+ let xhr = new XMLHttpRequest();
+ xhr.open("GET", url);
+ xhr.onload = function() {
+ gDataURL = "data:text/html;charset=utf-8,"
+ + encodeURIComponent(this.responseText);
+ startNextTest();
+ }
+ xhr.send();
+ }
+</script>
+</body>
+</html>
diff --git a/docshell/test/mochitest/tor_bug16620.html b/docshell/test/mochitest/tor_bug16620.html
new file mode 100644
index 000000000000..26b8e406bbff
--- /dev/null
+++ b/docshell/test/mochitest/tor_bug16620.html
@@ -0,0 +1,51 @@
+<!DOCTYPE HTML>
+<html>
+<!--
+ Tor Bug 16620: Clear window.name when no referrer sent.
+ https://trac.torproject.org/projects/tor/ticket/16620
+-->
+<head>
+ <meta charset="UTF-8">
+ <title>Supporting Doc for Tor Bug 16620 Tests</title>
+</head>
+<body>
+<a id="link" href="">secondDoc</a>
+
+<script>
+// Extract test state from our query string, defaulting to
+// "secondDocLoaded" to support use of this HTML content within
+// a data URI (where query strings are not supported).
+let state = (location.search.length > 0) ? location.search.substr(1)
+ : "secondDocLoaded";
+
+// Notify the test driver.
+opener.postMessage({ state: state, winName: window.name }, "*");
+
+// Add a message event listener to process "openURL" actions.
+window.addEventListener("message", function(aEvent) {
+ if (aEvent.data.action == "openURL") {
+ if (aEvent.data.noReferrerInMetaTag) {
+ let metaElem = document.createElement("meta");
+ metaElem.name = "referrer";
+ metaElem.content = "no-referrer";
+ document.head.appendChild(metaElem);
+ }
+
+ let linkElem = document.getElementById("link");
+ linkElem.href = aEvent.data.url;
+ if (aEvent.data.noReferrerOnLink)
+ linkElem.rel = "noreferrer";
+
+ if (aEvent.data.resetInUnload) {
+ let tmpName = window.name;
+ window.addEventListener("unload", function() {
+ window.name = tmpName;
+ }, false);
+ }
+
+ linkElem.click();
+ }
+}, false);
+</script>
+</body>
+</html>
diff --git a/docshell/test/mochitest/tor_bug16620_form.html b/docshell/test/mochitest/tor_bug16620_form.html
new file mode 100644
index 000000000000..279f62e63fab
--- /dev/null
+++ b/docshell/test/mochitest/tor_bug16620_form.html
@@ -0,0 +1,51 @@
+<!DOCTYPE HTML>
+<html>
+<!--
+ Tor Bug 16620: Clear window.name when no referrer sent.
+ https://trac.torproject.org/projects/tor/ticket/16620
+
+ Regression test for bug 18168: iframe-based AJAX call opening in new tab
+-->
+<head>
+ <meta charset="UTF-8">
+ <title>Supporting Form-based Doc for Tor Bug 16620 Tests</title>
+</head>
+<body>
+
+<script>
+document.addEventListener("DOMContentLoaded", function () {
+ addPostTarget();
+}, false);
+
+
+function addPostTarget()
+{
+ let frameName = location.search.substr(1);
+ let form = document.getElementById("postform");
+ let iframe = document.createElement("iframe");
+ iframe.style.border = "1px solid red";
+ iframe.src = "about:blank";
+ form.target = iframe.name = iframe.id = frameName;
+ document.body.appendChild(iframe);
+
+ let didSubmit = false;
+ iframe.onload = function() {
+ if (!didSubmit) {
+ didSubmit = true;
+ let submitButton = document.getElementById("submitButton");
+ submitButton.click();
+ } else {
+ // Form submission complete. Report iframe's name to test driver.
+ opener.postMessage({ state: "formPostDone", winName: iframe.name }, "*");
+ }
+ };
+}
+
+</script>
+<form name="postform" id="postform"
+ action="data:text/plain;charset=utf-8,Hello%20world"
+ method="POST" enctype="multipart/form-data">
+ <input type="hidden" name="field1" value="value1"><br>
+ <input id="submitButton" type="submit" value="Post It">
+</body>
+</html>
diff --git a/modules/libpref/init/StaticPrefList.yaml b/modules/libpref/init/StaticPrefList.yaml
index b2ebd34526a6..a22d9accfd6e 100644
--- a/modules/libpref/init/StaticPrefList.yaml
+++ b/modules/libpref/init/StaticPrefList.yaml
@@ -9732,7 +9732,7 @@
- name: privacy.window.name.update.enabled
type: bool
- value: true
+ value: false
mirror: always
# By default, the network state isolation is not active when there is a proxy
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