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Fixes text search for "secured" documents

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This commit is contained in:
Yury Delendik 2013-02-03 15:03:59 -06:00
parent 3699c311bb
commit d5f65f5431
6 changed files with 21 additions and 5 deletions
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2
src/api.js
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@ -298,7 +298,7 @@ var PDFPageProxy = (function PDFPageProxyClosure() {
}
var gfx = new CanvasGraphics(params.canvasContext, this.commonObjs,
this.objs, !this.pageInfo.disableTextLayer && params.textLayer);
this.objs, params.textLayer);
try {
this.display(gfx, params.viewport, complete, continueCallback);
} catch (e) {

2
src/core.js
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@ -538,8 +538,10 @@ var PDFDocument = (function PDFDocumentClosure() {
return shadow(this, 'numPages', num);
},
getDocumentInfo: function PDFDocument_getDocumentInfo() {
var encrypt = this.xref.encrypt;
var docInfo = {
PDFFormatVersion: this.pdfFormatVersion,
IsTextCopyDisabled: encrypt ? encrypt.disableTextCopy : false,
IsAcroFormPresent: !!this.acroForm
};
if (this.xref.trailer.has('Info')) {

2
src/crypto.js
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@ -561,7 +561,7 @@ var CipherTransformFactory = (function CipherTransformFactoryClosure() {
var ownerPassword = stringToBytes(dict.get('O'));
var userPassword = stringToBytes(dict.get('U'));
var flags = dict.get('P');
this.disableTextLayer = !(flags & 16);
this.disableTextCopy = !(flags & 16);
var revision = dict.get('R');
var encryptMetadata = algorithm == 4 && // meaningful when V is 4
dict.get('EncryptMetadata') !== false; // makes true as default value

4
src/worker.js
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@ -214,13 +214,11 @@ var WorkerMessageHandler = {
handler.on('GetPageRequest', function wphSetupGetPage(data) {
var pageNumber = data.pageIndex + 1;
var pdfPage = pdfModel.getPage(pageNumber);
var encrypt = pdfModel.xref.encrypt;
var page = {
pageIndex: data.pageIndex,
rotate: pdfPage.rotate,
ref: pdfPage.ref,
view: pdfPage.view,
disableTextLayer: encrypt ? encrypt.disableTextLayer : false
view: pdfPage.view
};
handler.send('GetPage', {pageInfo: page});
});