gnu: icecat: Update to 60.2.0-gnu1 (pre-release).

* gnu/packages/gnuzilla.scm (icecat): Update to 60.2.0-gnu1.
[source]: Download pre-release from alpha.gnu.org.  Remove obsolete patches.
Comment out the code to delete the bundled copies of libevent, cairo,
harfbuzz, and graphite2.
[inputs]: Use the latest ffmpeg.  Comment out libevent, cairo, harfbuzz, and
graphite2.
[native-inputs]: Add rust and cargo.
[arguments]: Remove --enable-gio and --disable-gnomeui.  Add --disable-stylo.
Comment out --with-system-{libevent,harfbuzz,graphite2}, --enable-system-cairo.
Import %cargo-build-system-modules.  Add 'patch-cargo-checksums' phase.
* gnu/packages/patches/icecat-CVE-2018-5157-and-CVE-2018-5158.patch,
gnu/packages/patches/icecat-bug-1413868-pt1.patch: Delete files.
* gnu/local.mk (dist_patch_DATA): Remove them.

2 files changed, 0 insertions, 1104 deletions

diff --git a/gnu/packages/patches/icecat-CVE-2018-5157-and-CVE-2018-5158.patch b/gnu/packages/patches/icecat-CVE-2018-5157-and-CVE-2018-5158.patch
deleted file mode 100644
index b776640133..0000000000
--- a/gnu/packages/patches/icecat-CVE-2018-5157-and-CVE-2018-5158.patch
+++ /dev/null
@@ -1,441 +0,0 @@
-Based on <https://hg.mozilla.org/releases/mozilla-esr52/rev/608e76ec5ba2>
-Adapted to apply cleanly to GNU IceCat.
-
-# HG changeset patch
-# User Ryan VanderMeulen <ryanvm@gmail.com>
-# Date 1523630807 14400
-# Node ID 608e76ec5ba25cec2271d2b400c7bce2d4c5ef79
-# Parent  10b7f43b536f93151201d44d304c991aa9af5d0c
-Bug 1452075 - Backport some upstream pdf.js fixes to ESR52. r=bdahl, r=yury, a=RyanVM
-
-diff --git a/browser/extensions/pdfjs/content/PdfStreamConverter.jsm b/browser/extensions/pdfjs/content/PdfStreamConverter.jsm
---- a/browser/extensions/pdfjs/content/PdfStreamConverter.jsm
-+++ b/browser/extensions/pdfjs/content/PdfStreamConverter.jsm
-@@ -24,17 +24,18 @@ const Cc = Components.classes;
- const Ci = Components.interfaces;
- const Cr = Components.results;
- const Cu = Components.utils;
- // True only if this is the version of pdf.js that is included with icecat.
- const MOZ_CENTRAL = JSON.parse('true');
- const PDFJS_EVENT_ID = 'pdf.js.message';
- const PDF_CONTENT_TYPE = 'application/pdf';
- const PREF_PREFIX = 'pdfjs';
--const PDF_VIEWER_WEB_PAGE = 'resource://pdf.js/web/viewer.html';
-+const PDF_VIEWER_ORIGIN = "resource://pdf.js";
-+const PDF_VIEWER_WEB_PAGE = "resource://pdf.js/web/viewer.html";
- const MAX_NUMBER_OF_PREFS = 50;
- const MAX_STRING_PREF_LENGTH = 128;
- 
- Cu.import('resource://gre/modules/XPCOMUtils.jsm');
- Cu.import('resource://gre/modules/Services.jsm');
- Cu.import('resource://gre/modules/NetUtil.jsm');
- 
- XPCOMUtils.defineLazyModuleGetter(this, 'NetworkManager',
-@@ -105,21 +106,25 @@ function log(aMsg) {
-   if (!getBoolPref(PREF_PREFIX + '.pdfBugEnabled', false)) {
-     return;
-   }
-   var msg = 'PdfStreamConverter.js: ' + (aMsg.join ? aMsg.join('') : aMsg);
-   Services.console.logStringMessage(msg);
-   dump(msg + '\n');
- }
- 
--function getDOMWindow(aChannel) {
-+function getDOMWindow(aChannel, aPrincipal) {
-   var requestor = aChannel.notificationCallbacks ?
-                   aChannel.notificationCallbacks :
-                   aChannel.loadGroup.notificationCallbacks;
-   var win = requestor.getInterface(Components.interfaces.nsIDOMWindow);
-+  // Ensure the window wasn't navigated to something that is not PDF.js.
-+  if (!win.document.nodePrincipal.equals(aPrincipal)) {
-+    return null;
-+  }
-   return win;
- }
- 
- function getLocalizedStrings(path) {
-   var stringBundle = Cc['@mozilla.org/intl/stringbundle;1'].
-       getService(Ci.nsIStringBundleService).
-       createBundle('chrome://pdf.js/locale/' + path);
- 
-@@ -627,31 +632,31 @@ var RangedChromeActions = (function Rang
-       data = this.dataListener.readData();
- 
-       this.dataListener.onprogress = function (loaded, total) {
-         self.domWindow.postMessage({
-           pdfjsLoadAction: 'progressiveRead',
-           loaded: loaded,
-           total: total,
-           chunk: self.dataListener.readData()
--        }, '*');
-+        }, PDF_VIEWER_ORIGIN);
-       };
-       this.dataListener.oncomplete = function () {
-         self.dataListener = null;
-       };
-     }
- 
-     this.domWindow.postMessage({
-       pdfjsLoadAction: 'supportsRangedLoading',
-       rangeEnabled: this.rangeEnabled,
-       streamingEnabled: this.streamingEnabled,
-       pdfUrl: this.pdfUrl,
-       length: this.contentLength,
-       data: data
--    }, '*');
-+    }, PDF_VIEWER_ORIGIN);
- 
-     return true;
-   };
- 
-   proto.requestDataRange = function RangedChromeActions_requestDataRange(args) {
-     if (!this.rangeEnabled) {
-       return;
-     }
-@@ -663,23 +668,23 @@ var RangedChromeActions = (function Rang
-     // errors from chrome code for non-range requests, so this doesn't
-     // seem high-pri
-     this.networkManager.requestRange(begin, end, {
-       onDone: function RangedChromeActions_onDone(args) {
-         domWindow.postMessage({
-           pdfjsLoadAction: 'range',
-           begin: args.begin,
-           chunk: args.chunk
--        }, '*');
-+        }, PDF_VIEWER_ORIGIN);
-       },
-       onProgress: function RangedChromeActions_onProgress(evt) {
-         domWindow.postMessage({
-           pdfjsLoadAction: 'rangeProgress',
-           loaded: evt.loaded,
--        }, '*');
-+        }, PDF_VIEWER_ORIGIN);
-       }
-     });
-   };
- 
-   proto.abortLoading = function RangedChromeActions_abortLoading() {
-     this.networkManager.abortAllRequests();
-     if (this.originalRequest) {
-       this.originalRequest.cancel(Cr.NS_BINDING_ABORTED);
-@@ -718,26 +723,26 @@ var StandardChromeActions = (function St
-     var self = this;
- 
-     this.dataListener.onprogress = function ChromeActions_dataListenerProgress(
-                                       loaded, total) {
-       self.domWindow.postMessage({
-         pdfjsLoadAction: 'progress',
-         loaded: loaded,
-         total: total
--      }, '*');
-+      }, PDF_VIEWER_ORIGIN);
-     };
- 
-     this.dataListener.oncomplete =
-         function StandardChromeActions_dataListenerComplete(data, errorCode) {
-       self.domWindow.postMessage({
-         pdfjsLoadAction: 'complete',
-         data: data,
-         errorCode: errorCode
--      }, '*');
-+      }, PDF_VIEWER_ORIGIN);
- 
-       self.dataListener = null;
-       self.originalRequest = null;
-     };
- 
-     return true;
-   };
- 
-@@ -972,31 +977,35 @@ PdfStreamConverter.prototype = {
-     var proxy = {
-       onStartRequest: function(request, context) {
-         listener.onStartRequest(aRequest, aContext);
-       },
-       onDataAvailable: function(request, context, inputStream, offset, count) {
-         listener.onDataAvailable(aRequest, aContext, inputStream,
-                                  offset, count);
-       },
--      onStopRequest: function(request, context, statusCode) {
--        // We get the DOM window here instead of before the request since it
--        // may have changed during a redirect.
--        var domWindow = getDOMWindow(channel);
-+      onStopRequest(request, context, statusCode) {
-+        var domWindow = getDOMWindow(channel, resourcePrincipal);
-+        if (!Components.isSuccessCode(statusCode) || !domWindow) {
-+          // The request may have been aborted and the document may have been
-+          // replaced with something that is not PDF.js, abort attaching.
-+          listener.onStopRequest(aRequest, context, statusCode);
-+          return;
-+        }
-         var actions;
-         if (rangeRequest || streamRequest) {
-           actions = new RangedChromeActions(
-             domWindow, contentDispositionFilename, aRequest,
-             rangeRequest, streamRequest, dataListener);
-         } else {
-           actions = new StandardChromeActions(
-             domWindow, contentDispositionFilename, aRequest, dataListener);
-         }
-         var requestListener = new RequestListener(actions);
--        domWindow.addEventListener(PDFJS_EVENT_ID, function(event) {
-+        domWindow.document.addEventListener(PDFJS_EVENT_ID, function(event) {
-           requestListener.receive(event);
-         }, false, true);
-         if (actions.supportsIntegratedFind()) {
-           var findEventManager = new FindEventManager(domWindow);
-           findEventManager.bind();
-         }
-         listener.onStopRequest(aRequest, aContext, statusCode);
- 
-diff --git a/browser/extensions/pdfjs/content/build/pdf.worker.js b/browser/extensions/pdfjs/content/build/pdf.worker.js
---- a/browser/extensions/pdfjs/content/build/pdf.worker.js
-+++ b/browser/extensions/pdfjs/content/build/pdf.worker.js
-@@ -41648,16 +41648,32 @@
-       var error = sharedUtil.error;
-       var info = sharedUtil.info;
-       var isArray = sharedUtil.isArray;
-       var isBool = sharedUtil.isBool;
-       var isDict = corePrimitives.isDict;
-       var isStream = corePrimitives.isStream;
-       var PostScriptLexer = corePsParser.PostScriptLexer;
-       var PostScriptParser = corePsParser.PostScriptParser;
-+      function toNumberArray(arr) {
-+        if (!Array.isArray(arr)) {
-+          return null;
-+        }
-+        var length = arr.length;
-+        for (var i = 0; i < length; i++) {
-+          if (typeof arr[i] !== 'number') {
-+            var result = new Array(length);
-+            for (var j = 0; j < length; j++) {
-+              result[j] = +arr[j];
-+            }
-+            return result;
-+          }
-+        }
-+        return arr;
-+      }
-       var PDFFunction = function PDFFunctionClosure() {
-         var CONSTRUCT_SAMPLED = 0;
-         var CONSTRUCT_INTERPOLATED = 2;
-         var CONSTRUCT_STICHED = 3;
-         var CONSTRUCT_POSTSCRIPT = 4;
-         return {
-           getSampleArray: function PDFFunction_getSampleArray(size, outputSize, bps, str) {
-             var i, ii;
-@@ -41747,43 +41763,43 @@
-                 out[index] = [
-                   arr[i],
-                   arr[i + 1]
-                 ];
-                 ++index;
-               }
-               return out;
-             }
--            var domain = dict.getArray('Domain');
--            var range = dict.getArray('Range');
-+            var domain = toNumberArray(dict.getArray('Domain'));
-+            var range = toNumberArray(dict.getArray('Range'));
-             if (!domain || !range) {
-               error('No domain or range');
-             }
-             var inputSize = domain.length / 2;
-             var outputSize = range.length / 2;
-             domain = toMultiArray(domain);
-             range = toMultiArray(range);
--            var size = dict.get('Size');
-+            var size = toNumberArray(dict.get('Size'));
-             var bps = dict.get('BitsPerSample');
-             var order = dict.get('Order') || 1;
-             if (order !== 1) {
-               // No description how cubic spline interpolation works in PDF32000:2008
-               // As in poppler, ignoring order, linear interpolation may work as good
-               info('No support for cubic spline interpolation: ' + order);
-             }
--            var encode = dict.getArray('Encode');
-+            var encode = toNumberArray(dict.getArray('Encode'));
-             if (!encode) {
-               encode = [];
-               for (var i = 0; i < inputSize; ++i) {
--                encode.push(0);
--                encode.push(size[i] - 1);
--              }
--            }
--            encode = toMultiArray(encode);
--            var decode = dict.getArray('Decode');
-+                encode.push([0, size[i] - 1]);
-+              }
-+            } else {
-+              encode = toMultiArray(encode);
-+            }
-+            var decode = toNumberArray(dict.getArray('Decode'));
-             if (!decode) {
-               decode = range;
-             } else {
-               decode = toMultiArray(decode);
-             }
-             var samples = this.getSampleArray(size, outputSize, bps, str);
-             return [
-               CONSTRUCT_SAMPLED,
-@@ -41868,22 +41884,19 @@
-                 //                    Decode_2j, Decode_2j+1)
-                 rj = interpolate(rj, 0, 1, decode[j][0], decode[j][1]);
-                 // y_j = min(max(r_j, range_2j), range_2j+1)
-                 dest[destOffset + j] = Math.min(Math.max(rj, range[j][0]), range[j][1]);
-               }
-             };
-           },
-           constructInterpolated: function PDFFunction_constructInterpolated(str, dict) {
--            var c0 = dict.getArray('C0') || [0];
--            var c1 = dict.getArray('C1') || [1];
-+            var c0 = toNumberArray(dict.getArray('C0')) || [0];
-+            var c1 = toNumberArray(dict.getArray('C1')) || [1];
-             var n = dict.get('N');
--            if (!isArray(c0) || !isArray(c1)) {
--              error('Illegal dictionary for interpolated function');
--            }
-             var length = c0.length;
-             var diff = [];
-             for (var i = 0; i < length; ++i) {
-               diff.push(c1[i] - c0[i]);
-             }
-             return [
-               CONSTRUCT_INTERPOLATED,
-               c0,
-@@ -41899,49 +41912,45 @@
-             return function constructInterpolatedFromIRResult(src, srcOffset, dest, destOffset) {
-               var x = n === 1 ? src[srcOffset] : Math.pow(src[srcOffset], n);
-               for (var j = 0; j < length; ++j) {
-                 dest[destOffset + j] = c0[j] + x * diff[j];
-               }
-             };
-           },
-           constructStiched: function PDFFunction_constructStiched(fn, dict, xref) {
--            var domain = dict.getArray('Domain');
-+            var domain = toNumberArray(dict.getArray('Domain'));
-             if (!domain) {
-               error('No domain');
-             }
-             var inputSize = domain.length / 2;
-             if (inputSize !== 1) {
-               error('Bad domain for stiched function');
-             }
-             var fnRefs = dict.get('Functions');
-             var fns = [];
-             for (var i = 0, ii = fnRefs.length; i < ii; ++i) {
--              fns.push(PDFFunction.getIR(xref, xref.fetchIfRef(fnRefs[i])));
--            }
--            var bounds = dict.getArray('Bounds');
--            var encode = dict.getArray('Encode');
-+              fns.push(PDFFunction.parse(xref, xref.fetchIfRef(fnRefs[i])));
-+            }
-+            var bounds = toNumberArray(dict.getArray('Bounds'));
-+            var encode = toNumberArray(dict.getArray('Encode'));
-             return [
-               CONSTRUCT_STICHED,
-               domain,
-               bounds,
-               encode,
-               fns
-             ];
-           },
-           constructStichedFromIR: function PDFFunction_constructStichedFromIR(IR) {
-             var domain = IR[1];
-             var bounds = IR[2];
-             var encode = IR[3];
--            var fnsIR = IR[4];
--            var fns = [];
-+            var fns = IR[4];
-             var tmpBuf = new Float32Array(1);
--            for (var i = 0, ii = fnsIR.length; i < ii; i++) {
--              fns.push(PDFFunction.fromIR(fnsIR[i]));
--            }
-             return function constructStichedFromIRResult(src, srcOffset, dest, destOffset) {
-               var clip = function constructStichedFromIRClip(v, min, max) {
-                 if (v > max) {
-                   v = max;
-                 } else if (v < min) {
-                   v = min;
-                 }
-                 return v;
-@@ -41968,18 +41977,18 @@
-               // Prevent the value from becoming NaN as a result
-               // of division by zero (fixes issue6113.pdf).
-               tmpBuf[0] = dmin === dmax ? rmin : rmin + (v - dmin) * (rmax - rmin) / (dmax - dmin);
-               // call the appropriate function
-               fns[i](tmpBuf, 0, dest, destOffset);
-             };
-           },
-           constructPostScript: function PDFFunction_constructPostScript(fn, dict, xref) {
--            var domain = dict.getArray('Domain');
--            var range = dict.getArray('Range');
-+            var domain = toNumberArray(dict.getArray('Domain'));
-+            var range = toNumberArray(dict.getArray('Range'));
-             if (!domain) {
-               error('No domain.');
-             }
-             if (!range) {
-               error('No range.');
-             }
-             var lexer = new PostScriptLexer(fn);
-             var parser = new PostScriptParser(lexer);
-@@ -42928,18 +42937,18 @@
-           case 'IndexedCS':
-             var baseIndexedCS = IR[1];
-             var hiVal = IR[2];
-             var lookup = IR[3];
-             return new IndexedCS(ColorSpace.fromIR(baseIndexedCS), hiVal, lookup);
-           case 'AlternateCS':
-             var numComps = IR[1];
-             var alt = IR[2];
--            var tintFnIR = IR[3];
--            return new AlternateCS(numComps, ColorSpace.fromIR(alt), PDFFunction.fromIR(tintFnIR));
-+            var tintFn = IR[3];
-+            return new AlternateCS(numComps, ColorSpace.fromIR(alt), tintFn);
-           case 'LabCS':
-             whitePoint = IR[1];
-             blackPoint = IR[2];
-             var range = IR[3];
-             return new LabCS(whitePoint, blackPoint, range);
-           default:
-             error('Unknown name ' + name);
-           }
-@@ -43067,22 +43076,22 @@
-               var name = xref.fetchIfRef(cs[1]);
-               numComps = 1;
-               if (isName(name)) {
-                 numComps = 1;
-               } else if (isArray(name)) {
-                 numComps = name.length;
-               }
-               alt = ColorSpace.parseToIR(cs[2], xref, res);
--              var tintFnIR = PDFFunction.getIR(xref, xref.fetchIfRef(cs[3]));
-+              var tintFn = PDFFunction.parse(xref, xref.fetchIfRef(cs[3]));
-               return [
-                 'AlternateCS',
-                 numComps,
-                 alt,
--                tintFnIR
-+                tintFn
-               ];
-             case 'Lab':
-               params = xref.fetchIfRef(cs[1]);
-               whitePoint = params.getArray('WhitePoint');
-               blackPoint = params.getArray('BlackPoint');
-               var range = params.getArray('Range');
-               return [
-                 'LabCS',
-@@ -52483,9 +52492,9 @@
-         initializeWorker();
-       }
-       exports.setPDFNetworkStreamClass = setPDFNetworkStreamClass;
-       exports.WorkerTask = WorkerTask;
-       exports.WorkerMessageHandler = WorkerMessageHandler;
-     }));
-   }.call(pdfjsLibs));
-   exports.WorkerMessageHandler = pdfjsLibs.pdfjsCoreWorker.WorkerMessageHandler;
--}));
-\ No newline at end of file
-+}));
-
diff --git a/gnu/packages/patches/icecat-bug-1413868-pt1.patch b/gnu/packages/patches/icecat-bug-1413868-pt1.patch
deleted file mode 100644
index 18382dc33a..0000000000
--- a/gnu/packages/patches/icecat-bug-1413868-pt1.patch
+++ /dev/null
@@ -1,663 +0,0 @@
-Based on <https://hg.mozilla.org/releases/mozilla-esr52/rev/431fa5dd4016>
-Adapted to apply cleanly to GNU IceCat.
-
-# HG changeset patch
-# User Honza Bambas <honzab.moz@firemni.cz>
-# Date 1528830658 14400
-# Node ID 431fa5dd4016bdab7e4bb0d3c4df85468fe337b0
-# Parent  e8e9e1ef79f2a18c61ec1b87cfb214c8d4960f8e
-Bug 1413868. r=valentin, a=RyanVM
-
-diff --git a/toolkit/xre/nsAppRunner.cpp b/toolkit/xre/nsAppRunner.cpp
---- a/toolkit/xre/nsAppRunner.cpp
-+++ b/toolkit/xre/nsAppRunner.cpp
-@@ -4,16 +4,17 @@
-  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
- 
- #include "mozilla/dom/ContentParent.h"
- #include "mozilla/dom/ContentChild.h"
- #include "mozilla/ipc/GeckoChildProcessHost.h"
- 
- #include "mozilla/ArrayUtils.h"
- #include "mozilla/Attributes.h"
-+#include "mozilla/FilePreferences.h"
- #include "mozilla/ChaosMode.h"
- #include "mozilla/IOInterposer.h"
- #include "mozilla/Likely.h"
- #include "mozilla/MemoryChecking.h"
- #include "mozilla/Poison.h"
- #include "mozilla/Preferences.h"
- #include "mozilla/ScopeExit.h"
- #include "mozilla/Services.h"
-@@ -4304,16 +4305,20 @@ XREMain::XRE_mainRun()
-       // Need to write out the fact that the profile has been removed and potentially
-       // that the selected/default profile changed.
-       mProfileSvc->Flush();
-     }
-   }
- 
-   mDirProvider.DoStartup();
- 
-+  // As FilePreferences need the profile directory, we must initialize right here.
-+  mozilla::FilePreferences::InitDirectoriesWhitelist();
-+  mozilla::FilePreferences::InitPrefs();
-+
-   OverrideDefaultLocaleIfNeeded();
- 
- #ifdef MOZ_CRASHREPORTER
-   nsCString userAgentLocale;
-   // Try a localized string first. This pref is always a localized string in
-   // IceCatMobile, and might be elsewhere, too.
-   if (NS_SUCCEEDED(Preferences::GetLocalizedCString("general.useragent.locale", &userAgentLocale))) {
-     CrashReporter::AnnotateCrashReport(NS_LITERAL_CSTRING("useragent_locale"), userAgentLocale);
-diff --git a/toolkit/xre/nsEmbedFunctions.cpp b/toolkit/xre/nsEmbedFunctions.cpp
---- a/toolkit/xre/nsEmbedFunctions.cpp
-+++ b/toolkit/xre/nsEmbedFunctions.cpp
-@@ -46,16 +46,17 @@
- #include "nsX11ErrorHandler.h"
- #include "nsGDKErrorHandler.h"
- #include "base/at_exit.h"
- #include "base/command_line.h"
- #include "base/message_loop.h"
- #include "base/process_util.h"
- #include "chrome/common/child_process.h"
- 
-+#include "mozilla/FilePreferences.h"
- #include "mozilla/ipc/BrowserProcessSubThread.h"
- #include "mozilla/ipc/GeckoChildProcessHost.h"
- #include "mozilla/ipc/IOThreadChild.h"
- #include "mozilla/ipc/ProcessChild.h"
- #include "ScopedXREEmbed.h"
- 
- #include "mozilla/plugins/PluginProcessChild.h"
- #include "mozilla/dom/ContentProcess.h"
-@@ -680,16 +681,18 @@ XRE_InitChildProcess(int aArgc,
-       ::SetProcessShutdownParameters(0x280 - 1, SHUTDOWN_NORETRY);
- #endif
- 
- #if defined(MOZ_SANDBOX) && defined(XP_WIN)
-       // We need to do this after the process has been initialised, as
-       // InitLoggingIfRequired may need access to prefs.
-       mozilla::sandboxing::InitLoggingIfRequired(aChildData->ProvideLogFunction);
- #endif
-+      mozilla::FilePreferences::InitDirectoriesWhitelist();
-+      mozilla::FilePreferences::InitPrefs();
- 
-       OverrideDefaultLocaleIfNeeded();
- 
- #if defined(MOZ_CRASHREPORTER)
- #if defined(MOZ_CONTENT_SANDBOX) && !defined(MOZ_WIDGET_GONK)
-       AddContentSandboxLevelAnnotation();
- #endif
- #endif
-diff --git a/xpcom/io/FilePreferences.cpp b/xpcom/io/FilePreferences.cpp
-new file mode 100644
---- /dev/null
-+++ b/xpcom/io/FilePreferences.cpp
-@@ -0,0 +1,271 @@
-+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
-+/* 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 "FilePreferences.h"
-+
-+#include "mozilla/Preferences.h"
-+#include "nsAppDirectoryServiceDefs.h"
-+#include "nsDirectoryServiceDefs.h"
-+#include "nsDirectoryServiceUtils.h"
-+
-+namespace mozilla {
-+namespace FilePreferences {
-+
-+static bool sBlockUNCPaths = false;
-+typedef nsTArray<nsString> Paths;
-+
-+static Paths& PathArray()
-+{
-+  static Paths sPaths;
-+  return sPaths;
-+}
-+
-+static void AllowDirectory(char const* directory)
-+{
-+  nsCOMPtr<nsIFile> file;
-+  NS_GetSpecialDirectory(directory, getter_AddRefs(file));
-+  if (!file) {
-+    return;
-+  }
-+
-+  nsString path;
-+  if (NS_FAILED(file->GetTarget(path))) {
-+    return;
-+  }
-+
-+  // The whitelist makes sense only for UNC paths, because this code is used
-+  // to block only UNC paths, hence, no need to add non-UNC directories here
-+  // as those would never pass the check.
-+  if (!StringBeginsWith(path, NS_LITERAL_STRING("\\\\"))) {
-+    return;
-+  }
-+
-+  if (!PathArray().Contains(path)) {
-+    PathArray().AppendElement(path);
-+  }
-+}
-+
-+void InitPrefs()
-+{
-+  sBlockUNCPaths = Preferences::GetBool("network.file.disable_unc_paths", false);
-+}
-+
-+void InitDirectoriesWhitelist()
-+{
-+  // NS_GRE_DIR is the installation path where the binary resides.
-+  AllowDirectory(NS_GRE_DIR);
-+  // NS_APP_USER_PROFILE_50_DIR and NS_APP_USER_PROFILE_LOCAL_50_DIR are the two
-+  // parts of the profile we store permanent and local-specific data.
-+  AllowDirectory(NS_APP_USER_PROFILE_50_DIR);
-+  AllowDirectory(NS_APP_USER_PROFILE_LOCAL_50_DIR);
-+}
-+
-+namespace { // anon
-+
-+class Normalizer
-+{
-+public:
-+  Normalizer(const nsAString& aFilePath, const char16_t aSeparator);
-+  bool Get(nsAString& aNormalizedFilePath);
-+
-+private:
-+  bool ConsumeItem();
-+  bool ConsumeSeparator();
-+  bool IsEOF() { return mFilePathCursor == mFilePathEnd; }
-+
-+  bool ConsumeName();
-+  bool CheckParentDir();
-+  bool CheckCurrentDir();
-+
-+  nsString::const_char_iterator mFilePathCursor;
-+  nsString::const_char_iterator mFilePathEnd;
-+
-+  nsDependentSubstring mItem;
-+  char16_t const mSeparator;
-+  nsTArray<nsDependentSubstring> mStack;
-+};
-+
-+Normalizer::Normalizer(const nsAString& aFilePath, const char16_t aSeparator)
-+  : mFilePathCursor(aFilePath.BeginReading())
-+  , mFilePathEnd(aFilePath.EndReading())
-+  , mSeparator(aSeparator)
-+{
-+}
-+
-+bool Normalizer::ConsumeItem()
-+{
-+  if (IsEOF()) {
-+    return false;
-+  }
-+
-+  nsString::const_char_iterator nameBegin = mFilePathCursor;
-+  while (mFilePathCursor != mFilePathEnd) {
-+    if (*mFilePathCursor == mSeparator) {
-+      break; // don't include the separator
-+    }
-+    ++mFilePathCursor;
-+  }
-+
-+  mItem.Rebind(nameBegin, mFilePathCursor);
-+  return true;
-+}
-+
-+bool Normalizer::ConsumeSeparator()
-+{
-+  if (IsEOF()) {
-+    return false;
-+  }
-+
-+  if (*mFilePathCursor != mSeparator) {
-+    return false;
-+  }
-+
-+  ++mFilePathCursor;
-+  return true;
-+}
-+
-+bool Normalizer::Get(nsAString& aNormalizedFilePath)
-+{
-+  aNormalizedFilePath.Truncate();
-+
-+  if (IsEOF()) {
-+    return true;
-+  }
-+  if (ConsumeSeparator()) {
-+    aNormalizedFilePath.Append(mSeparator);
-+  }
-+
-+  if (IsEOF()) {
-+    return true;
-+  }
-+  if (ConsumeSeparator()) {
-+    aNormalizedFilePath.Append(mSeparator);
-+  }
-+
-+  while (!IsEOF()) {
-+    if (!ConsumeName()) {
-+      return false;
-+    }
-+  }
-+
-+  for (auto const& name : mStack) {
-+    aNormalizedFilePath.Append(name);
-+  }
-+
-+  return true;
-+}
-+
-+bool Normalizer::ConsumeName()
-+{
-+  if (!ConsumeItem()) {
-+    return true;
-+  }
-+
-+  if (CheckCurrentDir()) {
-+    return true;
-+  }
-+
-+  if (CheckParentDir()) {
-+    if (!mStack.Length()) {
-+      // This means there are more \.. than valid names
-+      return false;
-+    }
-+
-+    mStack.RemoveElementAt(mStack.Length() - 1);
-+    return true;
-+  }
-+
-+  if (mItem.IsEmpty()) {
-+    // this means an empty name (a lone slash), which is illegal
-+    return false;
-+  }
-+
-+  if (ConsumeSeparator()) {
-+    mItem.Rebind(mItem.BeginReading(), mFilePathCursor);
-+  }
-+  mStack.AppendElement(mItem);
-+
-+  return true;
-+}
-+
-+bool Normalizer::CheckCurrentDir()
-+{
-+  if (mItem == NS_LITERAL_STRING(".")) {
-+    ConsumeSeparator();
-+    // EOF is acceptable
-+    return true;
-+  }
-+
-+  return false;
-+}
-+
-+bool Normalizer::CheckParentDir()
-+{
-+  if (mItem == NS_LITERAL_STRING("..")) {
-+    ConsumeSeparator();
-+    // EOF is acceptable
-+    return true;
-+  }
-+
-+  return false;
-+}
-+
-+} // anon
-+
-+bool IsBlockedUNCPath(const nsAString& aFilePath)
-+{
-+  if (!sBlockUNCPaths) {
-+    return false;
-+  }
-+
-+  if (!StringBeginsWith(aFilePath, NS_LITERAL_STRING("\\\\"))) {
-+    return false;
-+  }
-+
-+  nsAutoString normalized;
-+  if (!Normalizer(aFilePath, L'\\').Get(normalized)) {
-+    // Broken paths are considered invalid and thus inaccessible
-+    return true;
-+  }
-+
-+  for (const auto& allowedPrefix : PathArray()) {
-+    if (StringBeginsWith(normalized, allowedPrefix)) {
-+      if (normalized.Length() == allowedPrefix.Length()) {
-+        return false;
-+      }
-+      if (normalized[allowedPrefix.Length()] == L'\\') {
-+        return false;
-+      }
-+
-+      // When we are here, the path has a form "\\path\prefixevil"
-+      // while we have an allowed prefix of "\\path\prefix".
-+      // Note that we don't want to add a slash to the end of a prefix
-+      // so that opening the directory (no slash at the end) still works.
-+      break;
-+    }
-+  }
-+
-+  return true;
-+}
-+
-+void testing::SetBlockUNCPaths(bool aBlock)
-+{
-+  sBlockUNCPaths = aBlock;
-+}
-+
-+void testing::AddDirectoryToWhitelist(nsAString const & aPath)
-+{
-+  PathArray().AppendElement(aPath);
-+}
-+
-+bool testing::NormalizePath(nsAString const & aPath, nsAString & aNormalized)
-+{
-+  Normalizer normalizer(aPath, L'\\');
-+  return normalizer.Get(aNormalized);
-+}
-+
-+} // ::FilePreferences
-+} // ::mozilla
-diff --git a/xpcom/io/FilePreferences.h b/xpcom/io/FilePreferences.h
-new file mode 100644
---- /dev/null
-+++ b/xpcom/io/FilePreferences.h
-@@ -0,0 +1,25 @@
-+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
-+/* 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 "nsIObserver.h"
-+
-+namespace mozilla {
-+namespace FilePreferences {
-+
-+void InitPrefs();
-+void InitDirectoriesWhitelist();
-+bool IsBlockedUNCPath(const nsAString& aFilePath);
-+
-+namespace testing {
-+
-+void SetBlockUNCPaths(bool aBlock);
-+void AddDirectoryToWhitelist(nsAString const& aPath);
-+bool NormalizePath(nsAString const & aPath, nsAString & aNormalized);
-+
-+}
-+
-+} // FilePreferences
-+} // mozilla
-diff --git a/xpcom/io/moz.build b/xpcom/io/moz.build
---- a/xpcom/io/moz.build
-+++ b/xpcom/io/moz.build
-@@ -79,24 +79,26 @@ EXPORTS += [
-     'nsUnicharInputStream.h',
-     'nsWildCard.h',
-     'SlicedInputStream.h',
-     'SpecialSystemDirectory.h',
- ]
- 
- EXPORTS.mozilla += [
-     'Base64.h',
-+    'FilePreferences.h',
-     'SnappyCompressOutputStream.h',
-     'SnappyFrameUtils.h',
-     'SnappyUncompressInputStream.h',
- ]
- 
- UNIFIED_SOURCES += [
-     'Base64.cpp',
-     'crc32c.c',
-+    'FilePreferences.cpp',
-     'nsAnonymousTemporaryFile.cpp',
-     'nsAppFileLocationProvider.cpp',
-     'nsBinaryStream.cpp',
-     'nsDirectoryService.cpp',
-     'nsEscape.cpp',
-     'nsInputStreamTee.cpp',
-     'nsIOUtil.cpp',
-     'nsLinebreakConverter.cpp',
-diff --git a/xpcom/io/nsLocalFileWin.cpp b/xpcom/io/nsLocalFileWin.cpp
---- a/xpcom/io/nsLocalFileWin.cpp
-+++ b/xpcom/io/nsLocalFileWin.cpp
-@@ -41,16 +41,17 @@
- #include  <stdio.h>
- #include  <stdlib.h>
- #include  <mbstring.h>
- 
- #include "nsXPIDLString.h"
- #include "prproces.h"
- #include "prlink.h"
- 
-+#include "mozilla/FilePreferences.h"
- #include "mozilla/Mutex.h"
- #include "SpecialSystemDirectory.h"
- 
- #include "nsTraceRefcnt.h"
- #include "nsXPCOMCIDInternal.h"
- #include "nsThreadUtils.h"
- #include "nsXULAppAPI.h"
- 
-@@ -1162,16 +1163,20 @@ nsLocalFile::InitWithPath(const nsAStrin
-   char16_t secondChar = *(++begin);
- 
-   // just do a sanity check.  if it has any forward slashes, it is not a Native path
-   // on windows.  Also, it must have a colon at after the first char.
-   if (FindCharInReadable(L'/', begin, end)) {
-     return NS_ERROR_FILE_UNRECOGNIZED_PATH;
-   }
- 
-+  if (FilePreferences::IsBlockedUNCPath(aFilePath)) {
-+    return NS_ERROR_FILE_ACCESS_DENIED;
-+  }
-+
-   if (secondChar != L':' && (secondChar != L'\\' || firstChar != L'\\')) {
-     return NS_ERROR_FILE_UNRECOGNIZED_PATH;
-   }
- 
-   if (secondChar == L':') {
-     // Make sure we have a valid drive, later code assumes the drive letter
-     // is a single char a-z or A-Z.
-     if (PathGetDriveNumberW(aFilePath.Data()) == -1) {
-@@ -1974,16 +1979,20 @@ nsLocalFile::CopySingleFile(nsIFile* aSo
-     bool path1Remote, path2Remote;
-     if (!IsRemoteFilePath(filePath.get(), path1Remote) ||
-         !IsRemoteFilePath(destPath.get(), path2Remote) ||
-         path1Remote || path2Remote) {
-       dwCopyFlags |= COPY_FILE_NO_BUFFERING;
-     }
-   }
- 
-+  if (FilePreferences::IsBlockedUNCPath(destPath)) {
-+    return NS_ERROR_FILE_ACCESS_DENIED;
-+  }
-+
-   if (!move) {
-     copyOK = ::CopyFileExW(filePath.get(), destPath.get(), nullptr,
-                            nullptr, nullptr, dwCopyFlags);
-   } else {
-     copyOK = ::MoveFileExW(filePath.get(), destPath.get(),
-                            MOVEFILE_REPLACE_EXISTING);
- 
-     // Check if copying the source file to a different volume,
-diff --git a/xpcom/tests/gtest/TestFilePreferencesWin.cpp b/xpcom/tests/gtest/TestFilePreferencesWin.cpp
-new file mode 100644
---- /dev/null
-+++ b/xpcom/tests/gtest/TestFilePreferencesWin.cpp
-@@ -0,0 +1,141 @@
-+#include "gtest/gtest.h"
-+
-+#include "mozilla/FilePreferences.h"
-+#include "nsIFile.h"
-+#include "nsXPCOMCID.h"
-+
-+TEST(FilePreferencesWin, Normalization)
-+{
-+  nsAutoString normalized;
-+
-+  mozilla::FilePreferences::testing::NormalizePath(
-+    NS_LITERAL_STRING("foo"), normalized);
-+  ASSERT_TRUE(normalized == NS_LITERAL_STRING("foo"));
-+
-+  mozilla::FilePreferences::testing::NormalizePath(
-+    NS_LITERAL_STRING("\\foo"), normalized);
-+  ASSERT_TRUE(normalized == NS_LITERAL_STRING("\\foo"));
-+
-+  mozilla::FilePreferences::testing::NormalizePath(
-+    NS_LITERAL_STRING("\\\\foo"), normalized);
-+  ASSERT_TRUE(normalized == NS_LITERAL_STRING("\\\\foo"));
-+
-+  mozilla::FilePreferences::testing::NormalizePath(
-+    NS_LITERAL_STRING("foo\\some"), normalized);
-+  ASSERT_TRUE(normalized == NS_LITERAL_STRING("foo\\some"));
-+
-+  mozilla::FilePreferences::testing::NormalizePath(
-+    NS_LITERAL_STRING("\\\\.\\foo"), normalized);
-+  ASSERT_TRUE(normalized == NS_LITERAL_STRING("\\\\foo"));
-+
-+  mozilla::FilePreferences::testing::NormalizePath(
-+    NS_LITERAL_STRING("\\\\."), normalized);
-+  ASSERT_TRUE(normalized == NS_LITERAL_STRING("\\\\"));
-+
-+  mozilla::FilePreferences::testing::NormalizePath(
-+    NS_LITERAL_STRING("\\\\.\\"), normalized);
-+  ASSERT_TRUE(normalized == NS_LITERAL_STRING("\\\\"));
-+
-+  mozilla::FilePreferences::testing::NormalizePath(
-+    NS_LITERAL_STRING("\\\\.\\."), normalized);
-+  ASSERT_TRUE(normalized == NS_LITERAL_STRING("\\\\"));
-+
-+  mozilla::FilePreferences::testing::NormalizePath(
-+    NS_LITERAL_STRING("\\\\foo\\bar"), normalized);
-+  ASSERT_TRUE(normalized == NS_LITERAL_STRING("\\\\foo\\bar"));
-+
-+  mozilla::FilePreferences::testing::NormalizePath(
-+    NS_LITERAL_STRING("\\\\foo\\bar\\"), normalized);
-+  ASSERT_TRUE(normalized == NS_LITERAL_STRING("\\\\foo\\bar\\"));
-+
-+  mozilla::FilePreferences::testing::NormalizePath(
-+    NS_LITERAL_STRING("\\\\foo\\bar\\."), normalized);
-+  ASSERT_TRUE(normalized == NS_LITERAL_STRING("\\\\foo\\bar\\"));
-+
-+  mozilla::FilePreferences::testing::NormalizePath(
-+    NS_LITERAL_STRING("\\\\foo\\bar\\.\\"), normalized);
-+  ASSERT_TRUE(normalized == NS_LITERAL_STRING("\\\\foo\\bar\\"));
-+
-+  mozilla::FilePreferences::testing::NormalizePath(
-+    NS_LITERAL_STRING("\\\\foo\\bar\\..\\"), normalized);
-+  ASSERT_TRUE(normalized == NS_LITERAL_STRING("\\\\foo\\"));
-+
-+  mozilla::FilePreferences::testing::NormalizePath(
-+    NS_LITERAL_STRING("\\\\foo\\bar\\.."), normalized);
-+  ASSERT_TRUE(normalized == NS_LITERAL_STRING("\\\\foo\\"));
-+
-+  mozilla::FilePreferences::testing::NormalizePath(
-+    NS_LITERAL_STRING("\\\\foo\\..\\bar\\..\\"), normalized);
-+  ASSERT_TRUE(normalized == NS_LITERAL_STRING("\\\\"));
-+
-+  mozilla::FilePreferences::testing::NormalizePath(
-+    NS_LITERAL_STRING("\\\\foo\\..\\bar"), normalized);
-+  ASSERT_TRUE(normalized == NS_LITERAL_STRING("\\\\bar"));
-+
-+  mozilla::FilePreferences::testing::NormalizePath(
-+    NS_LITERAL_STRING("\\\\foo\\bar\\..\\..\\"), normalized);
-+  ASSERT_TRUE(normalized == NS_LITERAL_STRING("\\\\"));
-+
-+  mozilla::FilePreferences::testing::NormalizePath(
-+    NS_LITERAL_STRING("\\\\foo\\bar\\.\\..\\.\\..\\"), normalized);
-+  ASSERT_TRUE(normalized == NS_LITERAL_STRING("\\\\"));
-+
-+  bool result;
-+
-+  result = mozilla::FilePreferences::testing::NormalizePath(
-+    NS_LITERAL_STRING("\\\\.."), normalized);
-+  ASSERT_FALSE(result);
-+
-+  result = mozilla::FilePreferences::testing::NormalizePath(
-+    NS_LITERAL_STRING("\\\\..\\"), normalized);
-+  ASSERT_FALSE(result);
-+
-+  result = mozilla::FilePreferences::testing::NormalizePath(
-+    NS_LITERAL_STRING("\\\\.\\..\\"), normalized);
-+  ASSERT_FALSE(result);
-+
-+  result = mozilla::FilePreferences::testing::NormalizePath(
-+    NS_LITERAL_STRING("\\\\foo\\\\bar"), normalized);
-+  ASSERT_FALSE(result);
-+
-+  result = mozilla::FilePreferences::testing::NormalizePath(
-+    NS_LITERAL_STRING("\\\\foo\\bar\\..\\..\\..\\..\\"), normalized);
-+  ASSERT_FALSE(result);
-+
-+  result = mozilla::FilePreferences::testing::NormalizePath(
-+    NS_LITERAL_STRING("\\\\\\"), normalized);
-+  ASSERT_FALSE(result);
-+
-+  result = mozilla::FilePreferences::testing::NormalizePath(
-+    NS_LITERAL_STRING("\\\\.\\\\"), normalized);
-+  ASSERT_FALSE(result);
-+
-+  result = mozilla::FilePreferences::testing::NormalizePath(
-+    NS_LITERAL_STRING("\\\\..\\\\"), normalized);
-+  ASSERT_FALSE(result);
-+}
-+
-+TEST(FilePreferencesWin, AccessUNC)
-+{
-+  nsCOMPtr<nsIFile> lf = do_CreateInstance(NS_LOCAL_FILE_CONTRACTID);
-+
-+  nsresult rv;
-+
-+  mozilla::FilePreferences::testing::SetBlockUNCPaths(false);
-+
-+  rv = lf->InitWithPath(NS_LITERAL_STRING("\\\\nice\\..\\evil\\share"));
-+  ASSERT_EQ(rv, NS_OK);
-+
-+  mozilla::FilePreferences::testing::SetBlockUNCPaths(true);
-+
-+  rv = lf->InitWithPath(NS_LITERAL_STRING("\\\\nice\\..\\evil\\share"));
-+  ASSERT_EQ(rv, NS_ERROR_FILE_ACCESS_DENIED);
-+
-+  mozilla::FilePreferences::testing::AddDirectoryToWhitelist(NS_LITERAL_STRING("\\\\nice"));
-+
-+  rv = lf->InitWithPath(NS_LITERAL_STRING("\\\\nice\\share"));
-+  ASSERT_EQ(rv, NS_OK);
-+
-+  rv = lf->InitWithPath(NS_LITERAL_STRING("\\\\nice\\..\\evil\\share"));
-+  ASSERT_EQ(rv, NS_ERROR_FILE_ACCESS_DENIED);
-+}
-diff --git a/xpcom/tests/gtest/moz.build b/xpcom/tests/gtest/moz.build
---- a/xpcom/tests/gtest/moz.build
-+++ b/xpcom/tests/gtest/moz.build
-@@ -51,16 +51,21 @@ UNIFIED_SOURCES += [
- if CONFIG['MOZ_DEBUG'] and CONFIG['OS_ARCH'] not in ('WINNT') and CONFIG['OS_TARGET'] != 'Android':
-     # FIXME bug 523392: TestDeadlockDetector doesn't like Windows
-     # Bug 1054249: Doesn't work on Android
-     UNIFIED_SOURCES += [
-         'TestDeadlockDetector.cpp',
-         'TestDeadlockDetectorScalability.cpp',
-     ]
- 
-+if CONFIG['OS_TARGET'] == 'WINNT':
-+    UNIFIED_SOURCES += [
-+        'TestFilePreferencesWin.cpp',
-+    ]
-+
- if CONFIG['WRAP_STL_INCLUDES'] and not CONFIG['CLANG_CL']:
-     UNIFIED_SOURCES += [
-         'TestSTLWrappers.cpp',
-     ]
- 
- # Compile TestAllocReplacement separately so Windows headers don't pollute
- # the global namespace for other files.
- SOURCES += [
-