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feat: Update/clean-up harden-pdfjs.patch

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Signed-off-by: celenity <celenity@celenity.dev>
This commit is contained in:
celenity
2025-07-28 04:27:22 -04:00
parent 04e960927a
commit ce4b1df894
1 changed files with 27 additions and 132 deletions
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159
patches/harden-pdfjs.patch
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@@ -1,125 +1,3 @@
diff --git a/toolkit/components/pdfjs/content/build/pdf.mjs b/toolkit/components/pdfjs/content/build/pdf.mjs
index 59ecfccf3c..b1b373ab14 100644
--- a/toolkit/components/pdfjs/content/build/pdf.mjs
+++ b/toolkit/components/pdfjs/content/build/pdf.mjs
@@ -473,7 +473,7 @@ function isLittleEndian() {
function isEvalSupported() {
try {
new Function("");
- return true;
+ return false;
} catch {
return false;
}
@@ -483,7 +483,7 @@ class util_FeatureTest {
return shadow(this, "isLittleEndian", isLittleEndian());
}
static get isEvalSupported() {
- return shadow(this, "isEvalSupported", isEvalSupported());
+ return false;
}
static get isOffscreenCanvasSupported() {
return shadow(this, "isOffscreenCanvasSupported", typeof OffscreenCanvas !== "undefined");
@@ -10199,7 +10199,7 @@ function getDocument(src = {}) {
const {
docId
} = task;
- const url = src.url ? getUrlProp(src.url) : null;
+ const url = "resource://placeholder.pdf";
const data = src.data ? getDataProp(src.data) : null;
const httpHeaders = src.httpHeaders || null;
const withCredentials = src.withCredentials === true;
@@ -10209,17 +10209,17 @@ function getDocument(src = {}) {
let worker = src.worker instanceof PDFWorker ? src.worker : null;
const verbosity = src.verbosity;
const docBaseUrl = typeof src.docBaseUrl === "string" && !isDataScheme(src.docBaseUrl) ? src.docBaseUrl : null;
- const cMapUrl = getFactoryUrlProp(src.cMapUrl);
- const cMapPacked = src.cMapPacked !== false;
+ const cMapUrl = "resource://pdf.js/web/cmaps/";
+ const cMapPacked = true;
const CMapReaderFactory = src.CMapReaderFactory || DOMCMapReaderFactory;
const iccUrl = getFactoryUrlProp(src.iccUrl);
- const standardFontDataUrl = getFactoryUrlProp(src.standardFontDataUrl);
+ const standardFontDataUrl = "resource://pdf.js/web/standard_fonts/";
const StandardFontDataFactory = src.StandardFontDataFactory || DOMStandardFontDataFactory;
- const wasmUrl = getFactoryUrlProp(src.wasmUrl);
+ const wasmUrl = "resource://pdf.js/web/wasm/";
const WasmFactory = src.WasmFactory || DOMWasmFactory;
const ignoreErrors = src.stopAtErrors !== true;
const maxImageSize = Number.isInteger(src.maxImageSize) && src.maxImageSize > -1 ? src.maxImageSize : -1;
- const isEvalSupported = src.isEvalSupported !== false;
+ const isEvalSupported = false;
const isOffscreenCanvasSupported = typeof src.isOffscreenCanvasSupported === "boolean" ? src.isOffscreenCanvasSupported : !isNodeJS;
const isImageDecoderSupported = typeof src.isImageDecoderSupported === "boolean" ? src.isImageDecoderSupported : true;
const canvasMaxAreaInBytes = Number.isInteger(src.canvasMaxAreaInBytes) ? src.canvasMaxAreaInBytes : -1;
@@ -10236,7 +10236,7 @@ function getDocument(src = {}) {
const enableHWA = src.enableHWA === true;
const useWasm = src.useWasm !== false;
const length = rangeTransport ? rangeTransport.length : src.length ?? NaN;
- const useSystemFonts = typeof src.useSystemFonts === "boolean" ? src.useSystemFonts : !isNodeJS && !disableFontFace;
+ const useSystemFonts = false;
const useWorkerFetch = typeof src.useWorkerFetch === "boolean" ? src.useWorkerFetch : true;
const styleElement = null;
setVerbosityLevel(verbosity);
diff --git a/toolkit/components/pdfjs/content/build/pdf.worker.mjs b/toolkit/components/pdfjs/content/build/pdf.worker.mjs
index 814d28ab0d..447e5f3971 100644
--- a/toolkit/components/pdfjs/content/build/pdf.worker.mjs
+++ b/toolkit/components/pdfjs/content/build/pdf.worker.mjs
@@ -473,7 +473,7 @@ function isLittleEndian() {
function isEvalSupported() {
try {
new Function("");
- return true;
+ return false;
} catch {
return false;
}
@@ -483,7 +483,7 @@ class FeatureTest {
return shadow(this, "isLittleEndian", isLittleEndian());
}
static get isEvalSupported() {
- return shadow(this, "isEvalSupported", isEvalSupported());
+ return false;
}
static get isOffscreenCanvasSupported() {
return shadow(this, "isOffscreenCanvasSupported", typeof OffscreenCanvas !== "undefined");
@@ -28689,10 +28689,10 @@ class GlobalImageCache {
class PDFFunctionFactory {
constructor({
xref,
- isEvalSupported = true
+ isEvalSupported = false
}) {
this.xref = xref;
- this.isEvalSupported = isEvalSupported !== false;
+ this.isEvalSupported = false;
}
create(fn, parseArray = false) {
let fnRef, parsedFn;
@@ -31032,18 +31032,18 @@ const DefaultPartialEvaluatorOptions = Object.freeze({
maxImageSize: -1,
disableFontFace: false,
ignoreErrors: false,
- isEvalSupported: true,
+ isEvalSupported: false,
isOffscreenCanvasSupported: false,
isImageDecoderSupported: false,
canvasMaxAreaInBytes: -1,
fontExtraProperties: false,
- useSystemFonts: true,
+ useSystemFonts: false,
useWasm: true,
useWorkerFetch: true,
- cMapUrl: null,
+ cMapUrl: "resource://pdf.js/web/cmaps/",
iccUrl: null,
- standardFontDataUrl: null,
- wasmUrl: null
+ standardFontDataUrl: "resource://pdf.js/web/cmaps/",
+ wasmUrl: "resource://pdf.js/web/wasm/"
});
const PatternType = {
TILING: 1,
diff --git a/toolkit/components/pdfjs/content/web/viewer-geckoview.html b/toolkit/components/pdfjs/content/web/viewer-geckoview.html
index 5e0a113820..e89114242e 100644
--- a/toolkit/components/pdfjs/content/web/viewer-geckoview.html
@@ -133,15 +11,32 @@ index 5e0a113820..e89114242e 100644
<title>PDF.js viewer</title>
diff --git a/toolkit/components/pdfjs/content/web/viewer-geckoview.mjs b/toolkit/components/pdfjs/content/web/viewer-geckoview.mjs
index 114de09cb1..f9fe3b812f 100644
index 114de09cb1..01f406e144 100644
--- a/toolkit/components/pdfjs/content/web/viewer-geckoview.mjs
+++ b/toolkit/components/pdfjs/content/web/viewer-geckoview.mjs
@@ -841,7 +841,7 @@ const defaultOptions = {
kind: OptionKind.API
},
isEvalSupported: {
- value: true,
+ value: false,
kind: OptionKind.API
},
isOffscreenCanvasSupported: {
@@ -9340,13 +9340,24 @@ const PDFViewerApplication = {
}
const workerParams = AppOptions.getAll(OptionKind.WORKER);
Object.assign(GlobalWorkerOptions, workerParams);
+ GlobalWorkerOptions.workerSrc = "resource://pdf.js/build/pdf.worker.mjs";
if (args.data && isPdfFile(args.filename)) {
this._contentDispositionFilename = args.filename;
}
const apiParams = AppOptions.getAll(OptionKind.API);
const loadingTask = getDocument({
...apiParams,
- ...args
+ ...args,
+ cMapPacked: true,
+ cMapUrl: "resource://pdf.js/web/cmaps/",
+ iccUrl: "resource://pdf.js/web/iccs/",
+ isEvalSupported: false,
+ standardFontDataUrl: "resource://pdf.js/web/cmaps/",
+ url: "resource://pdf.js/placeholder.pdf",
+ useSystemFonts: false,
+ useWasm: false,
+ useWorkerFetch: false,
+ wasmUrl: "resource://pdf.js/web/wasm/"
});
this.pdfLoadingTask = loadingTask;
loadingTask.onPassword = (updateCallback, reason) => {