commit 95388a03ce4ae69e84f3be54a33f083e53922480 Author: Kathy Brade brade@pearlcrescent.com 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 5deea98dd14b..5efa11a3f9b4 100644 --- a/docshell/base/nsDocShell.cpp +++ b/docshell/base/nsDocShell.cpp @@ -7703,11 +7703,71 @@ 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 1501867d613e..decc7ee0a937 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] @@ -123,6 +127,7 @@ 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 41c47eb4c216..6d8e900ad52b 100644 --- a/modules/libpref/init/StaticPrefList.yaml +++ b/modules/libpref/init/StaticPrefList.yaml @@ -10581,7 +10581,7 @@

- 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