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
+}));