gnu: icecat: Add more fixes from upstream mozilla-esr52.

* gnu/packages/gnuzilla.scm (icecat)[source]: Add selected fixes
from the upstream mozilla-esr52 repository.
* gnu/packages/patches/icecat-bug-1452075.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.

1 files changed, 441 insertions, 0 deletions

diff --git a/gnu/packages/patches/icecat-bug-1452075.patch b/gnu/packages/patches/icecat-bug-1452075.patch
new file mode 100644
index 0000000000..b776640133
--- /dev/null
+++ b/gnu/packages/patches/icecat-bug-1452075.patch
@@ -0,0 +1,441 @@
+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
++}));
+