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Strip null (\x00) characters from the URLs in LinkAnnotations (issue 6832)

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Apparently some PDF files can have annotations with `URI` entries ending with `null` characters, thus breaking the links.
To handle this edge-case of bad PDFs, this patch moves the already existing utility function from `ui_utils.js` into `util.js`, in order to fix those URLs.

Fixes 6832.
This commit is contained in:
Jonas Jenwald 2016-01-04 21:33:41 +01:00
parent 4e9ea35eee
commit 97c10e9c08
7 changed files with 33 additions and 25 deletions
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11
src/shared/util.js
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@ -504,6 +504,16 @@ var XRefParseException = (function XRefParseExceptionClosure() {
return XRefParseException;
})();
var NullCharactersRegExp = /\x00/g;
function removeNullCharacters(str) {
if (typeof str !== 'string') {
warn('The argument for removeNullCharacters must be a string.');
return str;
}
return str.replace(NullCharactersRegExp, '');
}
PDFJS.removeNullCharacters = removeNullCharacters;
function bytesToString(bytes) {
assert(bytes !== null && typeof bytes === 'object' &&
@ -1690,6 +1700,7 @@ exports.log2 = log2;
exports.readInt8 = readInt8;
exports.readUint16 = readUint16;
exports.readUint32 = readUint32;
exports.removeNullCharacters = removeNullCharacters;
exports.shadow = shadow;
exports.string32 = string32;
exports.stringToBytes = stringToBytes;