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[tor-browser/tor-browser-24.7.0esr-4.x-2] fixup! Bug #5742: API allows you to get the url bar URI for a channel or nsIDocument.
by mikeperry＠torproject.org 20 Aug '14

20 Aug '14

commit 1229eaa018c10b6503a2f47c986236eee21b6b98 Author: Mike Perry <mikeperry-git(a)torproject.org> Date: Sat Aug 16 19:25:57 2014 -0700 fixup! Bug #5742: API allows you to get the url bar URI for a channel or nsIDocument. Log the URI of the source doc/channel that failed. --- content/base/src/ThirdPartyUtil.cpp | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) diff --git a/content/base/src/ThirdPartyUtil.cpp b/content/base/src/ThirdPartyUtil.cpp index 06b2a14..7d70b20 100644 --- a/content/base/src/ThirdPartyUtil.cpp +++ b/content/base/src/ThirdPartyUtil.cpp @@ -461,6 +461,7 @@ ThirdPartyUtil::GetFirstPartyURIInternal(nsIChannel *aChannel, nsIURI **aOutput) { nsresult rv = NS_ERROR_NULL_POINTER; + nsCOMPtr<nsIURI> srcURI; if (!aOutput) return rv; @@ -475,6 +476,7 @@ ThirdPartyUtil::GetFirstPartyURIInternal(nsIChannel *aChannel, // for sure if (aChannel) { rv = GetOriginatingURI(aChannel, aOutput); + aChannel->GetURI(getter_AddRefs(srcURI)); if (NS_SUCCEEDED(rv) && *aOutput) { // At this point, about: and chrome: URLs have been mapped to file: or // jar: URLs. Try to recover the original URL. @@ -501,6 +503,7 @@ ThirdPartyUtil::GetFirstPartyURIInternal(nsIChannel *aChannel, nsCOMPtr<nsIDOMWindow> top; nsCOMPtr<nsIDOMDocument> topDDoc; nsIURI *docURI = nullptr; + srcURI = aDoc->GetDocumentURI(); if (aDoc->GetWindow()) { aDoc->GetWindow()->GetTop(getter_AddRefs(top)); @@ -539,14 +542,19 @@ ThirdPartyUtil::GetFirstPartyURIInternal(nsIChannel *aChannel, (do_GetService(NS_CONSOLESERVICE_CONTRACTID)); if (console) { nsCString spec; + nsCString srcSpec("unknown"); + + if (srcURI) + srcURI->GetSpec(srcSpec); + if (*aOutput) (*aOutput)->GetSpec(spec); if (spec.Length() > 0) { - nsPrintfCString msg("getFirstPartyURI: no host in first party URI %s", - spec.get()); // TODO: L10N + nsPrintfCString msg("getFirstPartyURI failed for %s: no host in first party URI %s", + srcSpec.get(), spec.get()); // TODO: L10N console->LogStringMessage(NS_ConvertUTF8toUTF16(msg).get()); } else { - nsPrintfCString msg("getFirstPartyURI failed: 0x%x", rv); + nsPrintfCString msg("getFirstPartyURI failed for %s: 0x%x", srcSpec.get(), rv); console->LogStringMessage(NS_ConvertUTF8toUTF16(msg).get()); } }

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[tor-browser/tor-browser-24.7.0esr-4.x-2] fixup! Bug #2874. Remove the Components shim introduced by Mozilla Bug #790732.
by mikeperry＠torproject.org 20 Aug '14

20 Aug '14

commit b81169268271e65b897e4df2a1f58dd2718af1c7 Author: Arthur Edelstein <arthuredelstein(a)gmail.com> Date: Tue Aug 12 15:14:39 2014 -0700 fixup! Bug #2874. Remove the Components shim introduced by Mozilla Bug #790732. Includes a regression test to ensure the window.Components object is not exposed to untrusted content. --- dom/base/nsDOMClassInfo.cpp | 98 -------------------- js/xpconnect/tests/mochitest/Makefile.in | 3 +- js/xpconnect/tests/mochitest/file_bug790732.html | 56 ----------- js/xpconnect/tests/mochitest/test_bug790732.html | 46 --------- js/xpconnect/tests/mochitest/test_tor_bug2874.html | 25 +++++ toolkit/components/telemetry/Histograms.json | 4 - 6 files changed, 26 insertions(+), 206 deletions(-) diff --git a/dom/base/nsDOMClassInfo.cpp b/dom/base/nsDOMClassInfo.cpp index e5fcebf..2a9d5a8 100644 --- a/dom/base/nsDOMClassInfo.cpp +++ b/dom/base/nsDOMClassInfo.cpp @@ -4282,98 +4282,6 @@ LocationSetterUnwrapper(JSContext *cx, JS::Handle<JSObject*> obj_, JS::Handle<js return LocationSetter<nsIDOMWindow>(cx, obj, id, strict, vp); } -struct InterfaceShimEntry { - const char *geckoName; - const char *domName; -}; - -// We add shims from Components.interfaces.nsIDOMFoo to window.Foo for each -// interface that has interface constants that sites might be getting off -// of Ci. -const InterfaceShimEntry kInterfaceShimMap[] = -{ { "nsIDOMFileReader", "FileReader" }, - { "nsIXMLHttpRequest", "XMLHttpRequest" }, - { "nsIDOMDOMException", "DOMException" }, - { "nsIDOMNode", "Node" }, - { "nsIDOMUserDataHandler", "UserDataHandler" }, - { "nsIDOMCSSPrimitiveValue", "CSSPrimitiveValue" }, - { "nsIDOMCSSRule", "CSSRule" }, - { "nsIDOMCSSValue", "CSSValue" }, - { "nsIDOMEvent", "Event" }, - { "nsIDOMNSEvent", "Event" }, - { "nsIDOMKeyEvent", "KeyEvent" }, - { "nsIDOMMouseEvent", "MouseEvent" }, - { "nsIDOMMouseScrollEvent", "MouseScrollEvent" }, - { "nsIDOMMutationEvent", "MutationEvent" }, - { "nsIDOMSimpleGestureEvent", "SimpleGestureEvent" }, - { "nsIDOMUIEvent", "UIEvent" }, - { "nsIDOMGeoPositionError", "GeoPositionError" }, - { "nsIDOMHTMLMediaElement", "HTMLMediaElement" }, - { "nsIDOMMediaError", "MediaError" }, - { "nsIDOMLoadStatus", "LoadStatus" }, - { "nsIDOMOfflineResourceList", "OfflineResourceList" }, - { "nsIDOMRange", "Range" }, - { "nsIDOMSVGFETurbulenceElement", "SVGFETurbulenceElement" }, - { "nsIDOMSVGFEMorphologyElement", "SVGFEMorphologyElement" }, - { "nsIDOMSVGFEConvolveMatrixElement", "SVGFEConvolveMatrixElement" }, - { "nsIDOMSVGFEDisplacementMapElement", "SVGFEDisplacementMapElement" }, - { "nsIDOMSVGLength", "SVGLength" }, - { "nsIDOMSVGUnitTypes", "SVGUnitTypes" }, - { "nsIDOMNodeFilter", "NodeFilter" }, - { "nsIDOMXPathNamespace", "XPathNamespace" }, - { "nsIDOMXPathResult", "XPathResult" }, - { "nsIDOMXULButtonElement", "XULButtonElement" }, - { "nsIDOMXULCheckboxElement", "XULCheckboxElement" }, - { "nsIDOMXULPopupElement", "XULPopupElement" } }; - -static nsresult -DefineComponentsShim(JSContext *cx, JS::HandleObject global) -{ - // Keep track of how often this happens. - Telemetry::Accumulate(Telemetry::COMPONENTS_SHIM_ACCESSED_BY_CONTENT, true); - - // Create a fake Components object. - JS::Rooted<JSObject*> components(cx, JS_NewObject(cx, nullptr, nullptr, global)); - NS_ENSURE_TRUE(components, NS_ERROR_OUT_OF_MEMORY); - bool ok = JS_DefineProperty(cx, global, "Components", JS::ObjectValue(*components), - JS_PropertyStub, JS_StrictPropertyStub, JSPROP_ENUMERATE); - NS_ENSURE_TRUE(ok, NS_ERROR_OUT_OF_MEMORY); - - // Create a fake interfaces object. - JS::Rooted<JSObject*> interfaces(cx, JS_NewObject(cx, nullptr, nullptr, global)); - NS_ENSURE_TRUE(interfaces, NS_ERROR_OUT_OF_MEMORY); - ok = JS_DefineProperty(cx, components, "interfaces", JS::ObjectValue(*interfaces), - JS_PropertyStub, JS_StrictPropertyStub, - JSPROP_ENUMERATE | JSPROP_PERMANENT | JSPROP_READONLY); - NS_ENSURE_TRUE(ok, NS_ERROR_OUT_OF_MEMORY); - - // Define a bunch of shims from the Ci.nsIDOMFoo to window.Foo for DOM - // interfaces with constants. - for (uint32_t i = 0; i < ArrayLength(kInterfaceShimMap); ++i) { - - // Grab the names from the table. - const char *geckoName = kInterfaceShimMap[i].geckoName; - const char *domName = kInterfaceShimMap[i].domName; - - // Look up the appopriate interface object on the global. - JS::Rooted<JS::Value> v(cx, JS::UndefinedValue()); - ok = JS_GetProperty(cx, global, domName, v.address()); - NS_ENSURE_TRUE(ok, NS_ERROR_OUT_OF_MEMORY); - if (!v.isObject()) { - NS_WARNING("Unable to find interface object on global"); - continue; - } - - // Define the shim on the interfaces object. - ok = JS_DefineProperty(cx, interfaces, geckoName, v, - JS_PropertyStub, JS_StrictPropertyStub, - JSPROP_ENUMERATE | JSPROP_PERMANENT | JSPROP_READONLY); - NS_ENSURE_TRUE(ok, NS_ERROR_OUT_OF_MEMORY); - } - - return NS_OK; -} - NS_IMETHODIMP nsWindowSH::NewResolve(nsIXPConnectWrappedNative *wrapper, JSContext *cx, JSObject *obj_, jsid id_, uint32_t flags, @@ -4386,12 +4294,6 @@ nsWindowSH::NewResolve(nsIXPConnectWrappedNative *wrapper, JSContext *cx, return NS_OK; } - MOZ_ASSERT(*_retval == true); // guaranteed by XPC_WN_Helper_NewResolve - if (id == XPCJSRuntime::Get()->GetStringID(XPCJSRuntime::IDX_COMPONENTS)) { - *objp = obj; - return DefineComponentsShim(cx, obj); - } - nsGlobalWindow *win = nsGlobalWindow::FromWrapper(wrapper); MOZ_ASSERT(win->IsInnerWindow()); diff --git a/js/xpconnect/tests/mochitest/Makefile.in b/js/xpconnect/tests/mochitest/Makefile.in index e3e1b63..666d1e2 100644 --- a/js/xpconnect/tests/mochitest/Makefile.in +++ b/js/xpconnect/tests/mochitest/Makefile.in @@ -80,8 +80,6 @@ MOCHITEST_FILES = chrome_wrappers_helper.html \ file_bug781476.html \ test_bug785096.html \ test_bug789713.html \ - test_bug790732.html \ - file_bug790732.html \ test_bug793969.html \ file_bug795275.html \ file_bug795275.xml \ @@ -101,6 +99,7 @@ MOCHITEST_FILES = chrome_wrappers_helper.html \ test_crosscompartment_weakmap.html \ test_asmjs.html \ file_asmjs.js \ + test_tor_bug2874.html \ $(NULL) include $(topsrcdir)/config/rules.mk diff --git a/js/xpconnect/tests/mochitest/file_bug790732.html b/js/xpconnect/tests/mochitest/file_bug790732.html deleted file mode 100644 index 5515dfc..0000000 --- a/js/xpconnect/tests/mochitest/file_bug790732.html +++ /dev/null @@ -1,56 +0,0 @@ -<!DOCTYPE html> -<html> -<head> -<script> -function testShim() { - - // Basic stuff - ok(Components, "Components shim exists!"); - var Ci = Components.interfaces; - ok(Ci, "interfaces shim exists!"); - is(typeof Components.classes, 'undefined', "Shouldn't have a Cc"); - - // Check each interface that we shim. We start by checking specific - // constants for a couple of interfaces, and then once it's pretty clear that - // it's working as intended we just check that the objects themselves are the - // same. - is(Ci.nsIDOMFileReader.DONE, FileReader.DONE); - is(Ci.nsIXMLHttpRequest.HEADERS_RECEIVED, XMLHttpRequest.HEADERS_RECEIVED); - is(Ci.nsIDOMDOMException.DATA_CLONE_ERR, DOMException.DATA_CLONE_ERR); - is(Ci.nsIDOMNode.DOCUMENT_NODE, Node.DOCUMENT_NODE); - is(Ci.nsIDOMUserDataHandler.NODE_CLONED, UserDataHandler.NODE_CLONED); - is(Ci.nsIDOMCSSPrimitiveValue.CSS_PX, CSSPrimitiveValue.CSS_PX); - is(Ci.nsIDOMCSSRule.NAMESPACE_RULE, CSSRule.NAMESPACE_RULE); - is(Ci.nsIDOMCSSValue.CSS_PRIMITIVE_VALUE, CSSValue.CSS_PRIMITIVE_VALUE); - is(Ci.nsIDOMEvent.FOCUS, Event.FOCUS); - is(Ci.nsIDOMNSEvent.CLICK, Event.CLICK); - is(Ci.nsIDOMKeyEvent, KeyEvent); - is(Ci.nsIDOMMouseEvent, MouseEvent); - is(Ci.nsIDOMMouseScrollEvent, MouseScrollEvent); - is(Ci.nsIDOMMutationEvent, MutationEvent); - is(Ci.nsIDOMSimpleGestureEvent, SimpleGestureEvent); - is(Ci.nsIDOMUIEvent, UIEvent); - is(Ci.nsIDOMGeoPositionError, GeoPositionError); - is(Ci.nsIDOMHTMLMediaElement, HTMLMediaElement); - is(Ci.nsIDOMMediaError, MediaError); - is(Ci.nsIDOMLoadStatus, LoadStatus); - is(Ci.nsIDOMOfflineResourceList, OfflineResourceList); - is(Ci.nsIDOMRange, Range); - is(Ci.nsIDOMSVGFETurbulenceElement, SVGFETurbulenceElement); - is(Ci.nsIDOMSVGFEMorphologyElement, SVGFEMorphologyElement); - is(Ci.nsIDOMSVGFEConvolveMatrixElement, SVGFEConvolveMatrixElement); - is(Ci.nsIDOMSVGFEDisplacementMapElement, SVGFEDisplacementMapElement); - is(Ci.nsIDOMSVGLength, SVGLength); - is(Ci.nsIDOMSVGUnitTypes, SVGUnitTypes); - is(Ci.nsIDOMNodeFilter, NodeFilter); - is(Ci.nsIDOMXPathNamespace, XPathNamespace); - is(Ci.nsIDOMXPathResult, XPathResult); - is(Ci.nsIDOMXULButtonElement, XULButtonElement); - is(Ci.nsIDOMXULCheckboxElement, XULCheckboxElement); - is(Ci.nsIDOMXULPopupElement, XULPopupElement); -} -</script> -</head> -<body> -</body> -</html> diff --git a/js/xpconnect/tests/mochitest/test_bug790732.html b/js/xpconnect/tests/mochitest/test_bug790732.html deleted file mode 100644 index 771950e..0000000 --- a/js/xpconnect/tests/mochitest/test_bug790732.html +++ /dev/null @@ -1,46 +0,0 @@ -<!DOCTYPE HTML> -<html> - -<head> - <meta charset="utf-8"> - <title>Test for Bug 790732</title> - <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> - <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> - <script type="application/javascript"> - - /** Test for the Components shim. We split into two files because this stuff - is currently pref-controlled. **/ - SimpleTest.waitForExplicitFinish(); - - function prepare() { - SpecialPowers.pushPrefEnv({set: [['dom.omit_components_in_content', true]]}, - function () { $('ifr').onload = go; - $('ifr').contentWindow.location = - '/tests/js/xpconnect/tests/mochitest/file_bug790732.html'; } - ); - } - - function go() { - ok(true, "Started test"); - var iwin = $('ifr').contentWindow; - iwin.ok = ok; - iwin.is = is; - iwin.testShim(); - SimpleTest.finish(); - } - - </script> -</head> -<body onload="prepare()"> -<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=790732">Mozilla Bug 790732</a> -<p id="display"></p> -<div id="content" style="display: none"> - -</div> -<pre id="test"> -</pre> -<iframe id="ifr"></iframe> -</body> -</html> diff --git a/js/xpconnect/tests/mochitest/test_tor_bug2874.html b/js/xpconnect/tests/mochitest/test_tor_bug2874.html new file mode 100644 index 0000000..c0a956e --- /dev/null +++ b/js/xpconnect/tests/mochitest/test_tor_bug2874.html @@ -0,0 +1,25 @@ +<!DOCTYPE HTML> +<html> + +<head> + <meta charset="utf-8"> + <title>Test for Tor Bug 2874</title> + <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> + <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> + <script type="application/javascript"> + is(typeof Components, 'undefined', "The global window object should not expose a Components property to untrusted content."); + </script> +</head> +<body> +<a target="_blank" href="https://trac.torproject.org/projects/tor/ticket/2874">Tor Bug 2874</a> +<p id="display"></p> +<div id="content" style="display: none"> + +</div> +<pre id="test"> +</pre> +</body> +</html> diff --git a/toolkit/components/telemetry/Histograms.json b/toolkit/components/telemetry/Histograms.json index 9698fac..5594e01 100644 --- a/toolkit/components/telemetry/Histograms.json +++ b/toolkit/components/telemetry/Histograms.json @@ -2955,10 +2955,6 @@ "kind": "flag", "description": "Whether content ever accesed Components.interfaces in this session" }, - "COMPONENTS_SHIM_ACCESSED_BY_CONTENT": { - "kind": "flag", - "description": "Whether content ever accesed the Components shim in this session" - }, "CHECK_ADDONS_MODIFIED_MS": { "kind": "exponential", "high": "5000",

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[tor-browser/tor-browser-24.7.0esr-4.x-2] fixup! Bug #6253: Add canvas image extraction prompt.
by mikeperry＠torproject.org 20 Aug '14

20 Aug '14

commit b899b56326e9f1a48c40a2d233138612a975eeac Author: Isis Lovecruft <isis(a)torproject.org> Date: Sun Aug 17 01:31:03 2014 +0000 fixup! Bug #6253: Add canvas image extraction prompt. Modify Pearl Crescent's #7265 patch to log all HTML5 canvas access attempts. --- content/canvas/src/CanvasUtils.cpp | 42 ++++++++++++++++++++++++++++++------ 1 file changed, 35 insertions(+), 7 deletions(-) diff --git a/content/canvas/src/CanvasUtils.cpp b/content/canvas/src/CanvasUtils.cpp index 203dd92..f2f4536 100644 --- a/content/canvas/src/CanvasUtils.cpp +++ b/content/canvas/src/CanvasUtils.cpp @@ -33,6 +33,8 @@ using namespace mozilla::gfx; #include "mozIThirdPartyUtil.h" #include "nsContentUtils.h" #include "nsUnicharUtils.h" +#include "nsPrintfCString.h" +#include "nsIConsoleService.h" #define TOPIC_CANVAS_PERMISSIONS_PROMPT "canvas-permissions-prompt" #define PERMISSION_CANVAS_EXTRACT_DATA "canvas/extractData" @@ -79,14 +81,40 @@ IsImageExtractionAllowed(nsIDocument *aDocument) isAllowed = (permission == nsIPermissionManager::ALLOW_ACTION); if (!isAllowed && (permission != nsIPermissionManager::DENY_ACTION)) { - // Send notification so that a prompt is displayed. - nsCString spec; - rv = uri->GetSpec(spec); + // Log all attempted canvas access and block access by third parties. + bool isThirdParty = true; + nsIURI *docURI = aDocument->GetDocumentURI(); + rv = thirdPartyUtil->IsThirdPartyURI(uri, docURI, &isThirdParty); + NS_ENSURE_SUCCESS(rv, false); + + nsCString firstPartySpec; + rv = uri->GetSpec(firstPartySpec); + nsCString docSpec; + docURI->GetSpec(docSpec); + nsPrintfCString msg("On %s: blocked access to canvas image data" + " from %s ", // L10n + firstPartySpec.get(), docSpec.get()); + + nsCOMPtr<nsIConsoleService> console + (do_GetService(NS_CONSOLESERVICE_CONTRACTID)); + if (console) + console->LogStringMessage(NS_ConvertUTF8toUTF16(msg).get()); + + // Log every canvas access attempt to stdout if debugging: +#ifdef DEBUG + printf("%s\n", msg.get()); +#endif + // Ensure URI is valid after logging, but before trying to notify the + // user: NS_ENSURE_SUCCESS(rv, false); - nsCOMPtr<nsIObserverService> obs = - mozilla::services::GetObserverService(); - obs->NotifyObservers(win, TOPIC_CANVAS_PERMISSIONS_PROMPT, - NS_ConvertUTF8toUTF16(spec).get()); + + if (!isThirdParty) { + // Send notification so that a prompt is displayed. + nsCOMPtr<nsIObserverService> obs = + mozilla::services::GetObserverService(); + obs->NotifyObservers(win, TOPIC_CANVAS_PERMISSIONS_PROMPT, + NS_ConvertUTF8toUTF16(firstPartySpec).get()); + } } } }

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[tor-browser/tor-browser-24.7.0esr-4.x-2] fixup! Bug #6253: Add canvas image extraction prompt.
by mikeperry＠torproject.org 20 Aug '14

20 Aug '14

commit 3ef809fcfc22b0d46a52a3393cc685f44b66180e Author: Mike Perry <mikeperry-git(a)torproject.org> Date: Tue Aug 19 20:34:23 2014 -0700 fixup! Bug #6253: Add canvas image extraction prompt. Use JSContext to get URL information for HTML5 canvas access. --- content/canvas/src/CanvasRenderingContext2D.cpp | 2 +- content/canvas/src/CanvasUtils.cpp | 18 +++++++++++++----- content/canvas/src/CanvasUtils.h | 2 +- content/html/content/src/HTMLCanvasElement.cpp | 9 +++++---- 4 files changed, 20 insertions(+), 11 deletions(-) diff --git a/content/canvas/src/CanvasRenderingContext2D.cpp b/content/canvas/src/CanvasRenderingContext2D.cpp index 9be4ced..c53ac07 100644 --- a/content/canvas/src/CanvasRenderingContext2D.cpp +++ b/content/canvas/src/CanvasRenderingContext2D.cpp @@ -3506,7 +3506,7 @@ CanvasRenderingContext2D::GetImageDataArray(JSContext* aCx, if (mCanvasElement) { nsCOMPtr<nsIDocument> ownerDoc = mCanvasElement->OwnerDoc(); usePlaceholder = !ownerDoc || - !CanvasUtils::IsImageExtractionAllowed(ownerDoc); + !CanvasUtils::IsImageExtractionAllowed(ownerDoc, aCx); } if (usePlaceholder) { diff --git a/content/canvas/src/CanvasUtils.cpp b/content/canvas/src/CanvasUtils.cpp index f2f4536..591650a 100644 --- a/content/canvas/src/CanvasUtils.cpp +++ b/content/canvas/src/CanvasUtils.cpp @@ -35,6 +35,7 @@ using namespace mozilla::gfx; #include "nsUnicharUtils.h" #include "nsPrintfCString.h" #include "nsIConsoleService.h" +#include "jsdbgapi.h" #define TOPIC_CANVAS_PERMISSIONS_PROMPT "canvas-permissions-prompt" #define PERMISSION_CANVAS_EXTRACT_DATA "canvas/extractData" @@ -43,10 +44,9 @@ namespace mozilla { namespace CanvasUtils { // Check site-specific permission and display prompt if appropriate. -bool -IsImageExtractionAllowed(nsIDocument *aDocument) +bool IsImageExtractionAllowed(nsIDocument *aDocument, JSContext *aCx) { - if (!aDocument) + if (!aDocument || !aCx) return false; nsPIDOMWindow *win = aDocument->GetWindow(); @@ -87,13 +87,21 @@ IsImageExtractionAllowed(nsIDocument *aDocument) rv = thirdPartyUtil->IsThirdPartyURI(uri, docURI, &isThirdParty); NS_ENSURE_SUCCESS(rv, false); + nsCString scriptFile("unknown"); + unsigned scriptLine = 0; + JSScript *script; + if (JS_DescribeScriptedCaller(aCx, &script, &scriptLine)) { + scriptFile = JS_GetScriptFilename(aCx, script); + } + nsCString firstPartySpec; rv = uri->GetSpec(firstPartySpec); nsCString docSpec; docURI->GetSpec(docSpec); nsPrintfCString msg("On %s: blocked access to canvas image data" - " from %s ", // L10n - firstPartySpec.get(), docSpec.get()); + " from document %s, script from %s:%u ", // L10n + firstPartySpec.get(), docSpec.get(), + scriptFile.get(), scriptLine); nsCOMPtr<nsIConsoleService> console (do_GetService(NS_CONSOLESERVICE_CONTRACTID)); diff --git a/content/canvas/src/CanvasUtils.h b/content/canvas/src/CanvasUtils.h index d7aae4d..1e7f726 100644 --- a/content/canvas/src/CanvasUtils.h +++ b/content/canvas/src/CanvasUtils.h @@ -45,7 +45,7 @@ void DoDrawImageSecurityCheck(dom::HTMLCanvasElement *aCanvasElement, bool forceWriteOnly, bool CORSUsed); -bool IsImageExtractionAllowed(nsIDocument *aDocument); +bool IsImageExtractionAllowed(nsIDocument *aDocument, JSContext *aCx); // Make a double out of |v|, treating undefined values as 0.0 (for // the sake of sparse arrays). Return true iff coercion diff --git a/content/html/content/src/HTMLCanvasElement.cpp b/content/html/content/src/HTMLCanvasElement.cpp index e229e1c..d6cb88a 100644 --- a/content/html/content/src/HTMLCanvasElement.cpp +++ b/content/html/content/src/HTMLCanvasElement.cpp @@ -355,7 +355,7 @@ HTMLCanvasElement::ToDataURL(const nsAString& aType, const JS::Value& aParams, // Check site-specific permission and display prompt if appropriate. // If no permission, return all-white, opaque image data. - bool usePlaceholder = !CanvasUtils::IsImageExtractionAllowed(OwnerDoc()); + bool usePlaceholder = !CanvasUtils::IsImageExtractionAllowed(OwnerDoc(), aCx); return ToDataURLImpl(aCx, aType, aParams, usePlaceholder, aDataURL); } @@ -590,10 +590,11 @@ HTMLCanvasElement::ToBlob(nsIFileCallback* aCallback, } bool fallbackToPNG = false; + JSContext* cx = nsContentUtils::GetCurrentJSContext(); // Check site-specific permission and display prompt if appropriate. // If no permission, return all-white, opaque image data. - bool usePlaceholder = !CanvasUtils::IsImageExtractionAllowed(OwnerDoc()); + bool usePlaceholder = !CanvasUtils::IsImageExtractionAllowed(OwnerDoc(), cx); nsCOMPtr<nsIInputStream> stream; rv = ExtractData(type, EmptyString(), usePlaceholder, getter_AddRefs(stream), fallbackToPNG); @@ -616,7 +617,6 @@ HTMLCanvasElement::ToBlob(nsIFileCallback* aCallback, nsRefPtr<nsDOMMemoryFile> blob = new nsDOMMemoryFile(imgData, imgSize, type); - JSContext* cx = nsContentUtils::GetCurrentJSContext(); if (cx) { JS_updateMallocCounter(cx, imgSize); } @@ -648,7 +648,8 @@ HTMLCanvasElement::MozGetAsFile(const nsAString& aName, // Check site-speciifc permission and display prompt if appropriate. // If no permission, return all-white, opaque image data. - bool usePlaceholder = !CanvasUtils::IsImageExtractionAllowed(OwnerDoc()); + bool usePlaceholder = !CanvasUtils::IsImageExtractionAllowed(OwnerDoc(), + nsContentUtils::GetCurrentJSContext()); return MozGetAsFileImpl(aName, aType, usePlaceholder, aResult); }

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[torbutton/master] Merge remote-tracking branch 'isis/bug12684-additional-canvas-ui-strings_squashed'
by mikeperry＠torproject.org 20 Aug '14

20 Aug '14

commit d09b8425899cf838e0f0b86fffee248cf2be63b5 Merge: b6e98c0 b0d3f18 Author: Mike Perry <mikeperry-git(a)torproject.org> Date: Tue Aug 19 20:46:15 2014 -0700 Merge remote-tracking branch 'isis/bug12684-additional-canvas-ui-strings_squashed' src/chrome/locale/en/torbutton.properties | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-)

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[torbutton/master] Bug 12684: Slightly tweak the canvas message.
by mikeperry＠torproject.org 20 Aug '14

20 Aug '14

commit 402eb5d24ba35aef68ecbe95d77fa3c5c0768d29 Author: Mike Perry <mikeperry-git(a)torproject.org> Date: Tue Aug 19 20:52:21 2014 -0700 Bug 12684: Slightly tweak the canvas message. Still not perfect, but repeating "image data" and "extract" twice might help get the point across. --- src/chrome/locale/en/torbutton.properties | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/chrome/locale/en/torbutton.properties b/src/chrome/locale/en/torbutton.properties index c04b1e8..c76be32 100644 --- a/src/chrome/locale/en/torbutton.properties +++ b/src/chrome/locale/en/torbutton.properties @@ -48,7 +48,7 @@ torbutton.popup.confirm_plugins = Plugins such as Flash can harm your privacy an torbutton.popup.never_ask_again = Never ask me again # Canvas permission prompt. Strings are kept here for ease of translation. -canvas.siteprompt=This website (%S) attempted to access HTML5 canvas image data, which may be used to uniquely identify your computer.\n\nShould Tor Browser allow this website to access HTML5 canvases? +canvas.siteprompt=This website (%S) attempted to extract HTML5 canvas image data, which may be used to uniquely identify your computer.\n\nShould Tor Browser allow this website to extract HTML5 canvas image data? canvas.notNow=Not Now canvas.notNowAccessKey=N canvas.allow=Allow in the future

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[torbutton/master] Bug #12684: Add `canvas.notNow` UI strings to torbutton.properties file.
by mikeperry＠torproject.org 20 Aug '14

20 Aug '14

commit b0d3f1879bf6b3bb61499c8178155729457856a5 Author: Isis Lovecruft <isis(a)torproject.org> Date: Tue Jul 29 06:18:10 2014 +0000 Bug #12684: Add `canvas.notNow` UI strings to torbutton.properties file. Also, clarify UI strings which explain HTML5 canvas fingerprinting and options within the PopupNotification dialogue, and make capitalisation consistent. * FIXES #12684. [0] [0]: https://bugs.torproject.org/12684 --- src/chrome/locale/en/torbutton.properties | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/src/chrome/locale/en/torbutton.properties b/src/chrome/locale/en/torbutton.properties index d34432d..c04b1e8 100644 --- a/src/chrome/locale/en/torbutton.properties +++ b/src/chrome/locale/en/torbutton.properties @@ -48,8 +48,10 @@ torbutton.popup.confirm_plugins = Plugins such as Flash can harm your privacy an torbutton.popup.never_ask_again = Never ask me again # Canvas permission prompt. Strings are kept here for ease of translation. -canvas.siteprompt=This website (%S) attempted to access image data on a canvas. Since canvas image data can be used to discover information about your computer, blank image data was returned this time. -canvas.allow=Allow in the Future +canvas.siteprompt=This website (%S) attempted to access HTML5 canvas image data, which may be used to uniquely identify your computer.\n\nShould Tor Browser allow this website to access HTML5 canvases? +canvas.notNow=Not Now +canvas.notNowAccessKey=N +canvas.allow=Allow in the future canvas.allowAccessKey=A -canvas.never=Never for This Site +canvas.never=Never for this site (recommended) canvas.neverAccessKey=e

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[tor-launcher/master] Do not show copy log button when help is open.
by brade＠torproject.org 19 Aug '14

19 Aug '14

commit fb7e0576942310ff262165ecf6cf7c2bf2ed48bd Author: Kathy Brade <brade(a)pearlcrescent.com> Date: Tue Aug 19 11:10:07 2014 -0400 Do not show copy log button when help is open. If a Tor error or warning message arrived while the Bridge Help was open, the "Copy Tor Log To Clipboard" button was shown immediately (instead of after the help was closed). --- src/chrome/content/network-settings.js | 27 +++++++++++++-------------- 1 file changed, 13 insertions(+), 14 deletions(-) diff --git a/src/chrome/content/network-settings.js b/src/chrome/content/network-settings.js index 0e84f92..5f3f698 100644 --- a/src/chrome/content/network-settings.js +++ b/src/chrome/content/network-settings.js @@ -439,10 +439,7 @@ function showPanel(aPanelID) var deckElem = document.getElementById("deck"); if (deckElem) - { deckElem.selectedPanel = document.getElementById(aPanelID); - showOrHideButton("extra2", (aPanelID != "bridgeHelp"), false); - } else if (wizard.currentPage.pageid != aPanelID) wizard.goTo(aPanelID); @@ -527,17 +524,19 @@ function showErrorMessage(aTorExited, aErrorMsg) function showCopyLogButton(aHaveErrorOrWarning) { - var copyLogBtn = document.documentElement.getButton("extra2"); + let copyLogBtn = document.documentElement.getButton("extra2"); if (copyLogBtn) { - if (getWizard()) + let haveWizard = (getWizard() != null); + if (haveWizard) copyLogBtn.setAttribute("wizardCanCopyLog", true); - copyLogBtn.removeAttribute("hidden"); + if (!gRestoreAfterHelpPanelID) + copyLogBtn.removeAttribute("hidden"); // Show button if help is not open. if (aHaveErrorOrWarning) { - var clz = copyLogBtn.getAttribute("class"); + let clz = copyLogBtn.getAttribute("class"); if (!clz) copyLogBtn.setAttribute("class", "torWarning"); else if (clz.indexOf("torWarning") < 0) @@ -549,14 +548,12 @@ function showCopyLogButton(aHaveErrorOrWarning) function restoreCopyLogVisibility() { - if (!getWizard()) - return; - - var copyLogBtn = document.documentElement.getButton("extra2"); + let copyLogBtn = document.documentElement.getButton("extra2"); if (!copyLogBtn) return; - if (copyLogBtn.hasAttribute("wizardCanCopyLog")) + // Always show button in non-wizard case; conditionally in wizard. + if (!getWizard() || copyLogBtn.hasAttribute("wizardCanCopyLog")) copyLogBtn.removeAttribute("hidden"); else copyLogBtn.setAttribute("hidden", true); @@ -735,11 +732,12 @@ function onOpenHelp() showPanel("bridgeHelp"); + showOrHideButton("extra2", false, false); // Hide "Copy Tor Log To Clipboard" + if (getWizard()) { showOrHideButton("cancel", false, false); showOrHideButton("back", false, false); - showOrHideButton("extra2", false, false); overrideButtonLabel("next", "done"); var forAssistance = document.getElementById("forAssistance"); if (forAssistance) @@ -755,11 +753,12 @@ function closeHelp() if (!gRestoreAfterHelpPanelID) // Already closed? return; + restoreCopyLogVisibility(); + if (getWizard()) { showOrHideButton("cancel", true, false); showOrHideButton("back", true, false); - restoreCopyLogVisibility(); restoreButtonLabel("next"); var forAssistance = document.getElementById("forAssistance"); if (forAssistance)

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[tor-launcher/master] Bug 11199 fixup: Improve behavior if tor exits.
by brade＠torproject.org 14 Aug '14

14 Aug '14

commit 3aa4860244adf99ba09911708ba8faa05a6cfa14 Author: Kathy Brade <brade(a)pearlcrescent.com> Date: Thu Aug 14 16:37:53 2014 -0400 Bug 11199 fixup: Improve behavior if tor exits. Improved alert/error messages and button labels. --- src/chrome/content/network-settings-wizard.xul | 2 +- src/chrome/content/network-settings.js | 7 ++++++- src/chrome/content/network-settings.xul | 2 +- src/chrome/locale/en/torlauncher.properties | 6 +++--- src/chrome/skin/network-settings.css | 1 + src/components/tl-process.js | 18 ++++++++++++++---- src/modules/tl-util.jsm | 8 +++++--- 7 files changed, 31 insertions(+), 13 deletions(-) diff --git a/src/chrome/content/network-settings-wizard.xul b/src/chrome/content/network-settings-wizard.xul index 6a3b8fc..70d1bcf 100644 --- a/src/chrome/content/network-settings-wizard.xul +++ b/src/chrome/content/network-settings-wizard.xul @@ -168,7 +168,7 @@ <spring flex="1" /> <hbox> <spring flex="1" /> - <description id="errorPanelMessage" /> + <description id="errorPanelMessage" flex="1" /> <spring flex="1" /> </hbox> <separator/> diff --git a/src/chrome/content/network-settings.js b/src/chrome/content/network-settings.js index fdd565e..0e84f92 100644 --- a/src/chrome/content/network-settings.js +++ b/src/chrome/content/network-settings.js @@ -491,15 +491,20 @@ function showErrorMessage(aTorExited, aErrorMsg) if (aTorExited) { // Show "Tor exited" message and "Restart Tor" button. - aErrorMsg = TorLauncherUtil.getLocalizedString("tor_exited"); + aErrorMsg = TorLauncherUtil.getLocalizedString("tor_exited") + + "\n\n" + TorLauncherUtil.getLocalizedString("tor_exited2"); if (btn) btn.removeAttribute("hidden"); + if (elem) + elem.style.textAlign = "start"; } else { if (btn) btn.setAttribute("hidden", true); + if (elem) + elem.style.textAlign = "center"; } if (elem) diff --git a/src/chrome/content/network-settings.xul b/src/chrome/content/network-settings.xul index 937db71..a81a5f0 100644 --- a/src/chrome/content/network-settings.xul +++ b/src/chrome/content/network-settings.xul @@ -67,7 +67,7 @@ <spring flex="1" /> <hbox> <spring flex="1" /> - <description id="errorPanelMessage" /> + <description id="errorPanelMessage" flex="1" /> <spring flex="1" /> </hbox> <separator/> diff --git a/src/chrome/locale/en/torlauncher.properties b/src/chrome/locale/en/torlauncher.properties index bf2426a..816d831 100644 --- a/src/chrome/locale/en/torlauncher.properties +++ b/src/chrome/locale/en/torlauncher.properties @@ -3,8 +3,8 @@ torlauncher.error_title=Tor Launcher -torlauncher.tor_exited=Tor unexpectedly exited. -torlauncher.tor_connection_lost=Your connection to the Tor Network has been lost. +torlauncher.tor_exited=Tor unexpectedly exited. This might be due to a bug in Tor itself, another program on your system, or faulty hardware. Until you restart Tor, the Tor Browser will not able to reach any websites. If the problem persists, please send a copy of your Tor Log to the support team. +torlauncher.tor_exited2=Restarting Tor will not close your browser tabs. torlauncher.tor_controlconn_failed=Could not connect to Tor control port. torlauncher.tor_failed_to_start=Tor failed to start. torlauncher.tor_control_failed=Failed to take control of Tor. @@ -30,7 +30,7 @@ torlauncher.error_bridge_bad_default_type=No provided bridges that have the tran torlauncher.recommended_bridge=(recommended) torlauncher.connect=Connect -torlauncher.reconnect=Reconnect +torlauncher.restart_tor=Restart Tor torlauncher.quit=Quit torlauncher.quit_win=Exit torlauncher.done=Done diff --git a/src/chrome/skin/network-settings.css b/src/chrome/skin/network-settings.css index a823914..03f84d7 100644 --- a/src/chrome/skin/network-settings.css +++ b/src/chrome/skin/network-settings.css @@ -105,6 +105,7 @@ wizardpage[pageid="errorPanel"] description, font-size: 120%; font-weight: bold; white-space: pre-wrap; + text-align: center; } #restartButton { diff --git a/src/components/tl-process.js b/src/components/tl-process.js index 619a32c..cc5d654 100644 --- a/src/components/tl-process.js +++ b/src/components/tl-process.js @@ -148,11 +148,21 @@ TorProcessService.prototype = { this.mProtocolSvc.TorCleanupConnection(); - var s = TorLauncherUtil.getLocalizedString("tor_exited"); + var s = TorLauncherUtil.getLocalizedString("tor_exited") + "\n\n" + + TorLauncherUtil.getLocalizedString("tor_exited2"); TorLauncherLogger.log(4, s); - s += "\n" + TorLauncherUtil.getLocalizedString("tor_connection_lost"); - var btnLabel = TorLauncherUtil.getLocalizedString("reconnect"); - if (TorLauncherUtil.showConfirm(null, s, btnLabel) && !this.mIsQuitting) + var defaultBtnLabel = TorLauncherUtil.getLocalizedString("restart_tor"); + var cancelBtnLabel = "OK"; + try + { + const kSysBundleURI = "chrome://global/locale/commonDialogs.properties"; + var sysBundle = Cc["@mozilla.org/intl/stringbundle;1"] + .getService(Ci.nsIStringBundleService).createBundle(kSysBundleURI); + cancelBtnLabel = sysBundle.GetStringFromName(cancelBtnLabel); + } catch(e) {} + + if (TorLauncherUtil.showConfirm(null, s, defaultBtnLabel, cancelBtnLabel) + && !this.mIsQuitting) { this._startTor(); this._controlTor(); diff --git a/src/modules/tl-util.jsm b/src/modules/tl-util.jsm index 1b8c809..834d260 100644 --- a/src/modules/tl-util.jsm +++ b/src/modules/tl-util.jsm @@ -64,7 +64,8 @@ let TorLauncherUtil = // Public // Returns true if user confirms; false if not. // Note that no prompt is shown (and false is returned) if the Network Settings // window is open. - showConfirm: function(aParentWindow, aMsg, aOKButtonLabel) + showConfirm: function(aParentWindow, aMsg, aDefaultButtonLabel, + aCancelButtonLabel) { try { @@ -84,11 +85,12 @@ let TorLauncherUtil = // Public var title = this.getLocalizedString("error_title"); var btnFlags = (ps.BUTTON_POS_0 * ps.BUTTON_TITLE_IS_STRING) + ps.BUTTON_POS_0_DEFAULT - + (ps.BUTTON_POS_1 * ps.BUTTON_TITLE_CANCEL); + + (ps.BUTTON_POS_1 * ps.BUTTON_TITLE_IS_STRING); var notUsed = { value: false }; var btnIndex = ps.confirmEx(aParentWindow, title, aMsg, btnFlags, - aOKButtonLabel, null, null, null, notUsed); + aDefaultButtonLabel, aCancelButtonLabel, + null, null, notUsed); return (0 == btnIndex); } catch (e)

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[tor-launcher/master] Remove all observers when dialogs are closed.
by brade＠torproject.org 07 Aug '14

07 Aug '14

commit 9c0ef4f67d5ec18e17e8a3e789a198819c90c7ce Author: Kathy Brade <brade(a)pearlcrescent.com> Date: Thu Aug 7 14:14:57 2014 -0400 Remove all observers when dialogs are closed. --- src/chrome/content/network-settings-wizard.xul | 3 +- src/chrome/content/network-settings.js | 64 +++++++++++++++++++----- src/chrome/content/network-settings.xul | 3 +- 3 files changed, 56 insertions(+), 14 deletions(-) diff --git a/src/chrome/content/network-settings-wizard.xul b/src/chrome/content/network-settings-wizard.xul index da81ced..6a3b8fc 100644 --- a/src/chrome/content/network-settings-wizard.xul +++ b/src/chrome/content/network-settings-wizard.xul @@ -21,7 +21,8 @@ buttonlabelextra2="&torsettings.copyLog;" onwizardfinish="return applySettings();" onwizardcancel="return onCancel();" - onload="initDialog();"> + onload="initDialog();" + onunload="deinitDialog();"> <script type="application/x-javascript" src="chrome://torlauncher/content/network-settings.js"/> diff --git a/src/chrome/content/network-settings.js b/src/chrome/content/network-settings.js index bdfb5c1..fdd565e 100644 --- a/src/chrome/content/network-settings.js +++ b/src/chrome/content/network-settings.js @@ -62,6 +62,7 @@ var gObsService = null; var gIsInitialBootstrap = false; var gIsBootstrapComplete = false; var gRestoreAfterHelpPanelID = null; +var gActiveTopics = []; // Topics for which an observer is currently installed. function initDialog() @@ -156,10 +157,10 @@ function initDialog() initDefaultBridgeTypeMenu(); - gObsService.addObserver(gObserver, kTorBootstrapErrorTopic, false); - gObsService.addObserver(gObserver, kTorLogHasWarnOrErrTopic, false); - gObsService.addObserver(gObserver, kTorProcessExitedTopic, false); - gObsService.addObserver(gObserver, kTorOpenProgressTopic, false); + addObserver(kTorBootstrapErrorTopic); + addObserver(kTorLogHasWarnOrErrTopic); + addObserver(kTorProcessExitedTopic); + addObserver(kTorOpenProgressTopic); var status = gTorProcessService.TorProcessStatus; if (TorLauncherUtil.shouldStartAndOwnTor && @@ -169,8 +170,8 @@ function initDialog() showErrorMessage(true, null); else showStartingTorPanel(); - gObsService.addObserver(gObserver, kTorProcessReadyTopic, false); - gObsService.addObserver(gObserver, kTorProcessDidNotStartTopic, false); + addObserver(kTorProcessReadyTopic); + addObserver(kTorProcessDidNotStartTopic); } else { @@ -199,6 +200,12 @@ function initDialog() } +function deinitDialog() +{ + removeAllObservers(); +} + + // For now, we assume that the wizard buttons are the widest portion. // TODO: return a value for the settings dialog (non-wizard case). function maxWidthOfContent() @@ -329,7 +336,8 @@ var gObserver = { if (kTorProcessReadyTopic == aTopic) { - gObsService.removeObserver(gObserver, kTorProcessReadyTopic); + removeObserver(kTorProcessReadyTopic); + removeObserver(kTorProcessDidNotStartTopic); var haveWizard = (getWizard() != null); showPanel(); if (haveWizard) @@ -341,12 +349,13 @@ var gObserver = { } else if (kTorProcessDidNotStartTopic == aTopic) { - gObsService.removeObserver(gObserver, kTorProcessDidNotStartTopic); + removeObserver(kTorProcessReadyTopic); + removeObserver(kTorProcessDidNotStartTopic); showErrorMessage(false, aData); } else if (kTorProcessExitedTopic == aTopic) { - gObsService.removeObserver(gObserver, kTorProcessExitedTopic); + removeObserver(kTorProcessExitedTopic); showErrorMessage(true, null); } else if (kTorOpenProgressTopic == aTopic) @@ -357,6 +366,37 @@ var gObserver = { }; +// addObserver() will not add two observers for the same topic. +function addObserver(aTopic) +{ + if (gActiveTopics.indexOf(aTopic) < 0) + { + gObsService.addObserver(gObserver, aTopic, false); + gActiveTopics.push(aTopic); + } +} + + +function removeObserver(aTopic) +{ + let idx = gActiveTopics.indexOf(aTopic); + if (idx >= 0) + { + gObsService.removeObserver(gObserver, aTopic); + gActiveTopics.splice(idx, 1); + } +} + + +function removeAllObservers() +{ + for (let i = gActiveTopics.length - 1; i >= 0; --i) + gObsService.removeObserver(gObserver, gActiveTopics[i]); + + gActiveTopics = []; +} + + function readTorSettings() { TorLauncherLogger.log(2, "readTorSettings " + @@ -641,9 +681,9 @@ function onProxyTypeChange() function onRestartTor() { // Re-add these observers in case they have been removed. - gObsService.addObserver(gObserver, kTorProcessReadyTopic, false); - gObsService.addObserver(gObserver, kTorProcessDidNotStartTopic, false); - gObsService.addObserver(gObserver, kTorProcessExitedTopic, false); + addObserver(kTorProcessReadyTopic); + addObserver(kTorProcessDidNotStartTopic); + addObserver(kTorProcessExitedTopic); gTorProcessService._startTor(); gTorProcessService._controlTor(); diff --git a/src/chrome/content/network-settings.xul b/src/chrome/content/network-settings.xul index 1fcd4a7..937db71 100644 --- a/src/chrome/content/network-settings.xul +++ b/src/chrome/content/network-settings.xul @@ -24,7 +24,8 @@ ondialogcancel="return onCancel();" ondialogextra2="onCopyLog();" ondialoghelp="onOpenHelp();" - onload="initDialog();"> + onload="initDialog();" + onunload="deinitDialog();"> <script type="application/x-javascript" src="chrome://torlauncher/content/network-settings.js"/>

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