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Merge pull request #9541 from Rob--W/crx-fetch-chrome61plus

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[CRX] Disable fetch in Chrome 60-
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Tim van der Meij 2018-03-10 00:15:47 +01:00 committed by GitHub
commit 6662985a20
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1 changed files with 14 additions and 1 deletions
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15
src/pdf.js
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@ -52,8 +52,21 @@ if (typeof PDFJSDev === 'undefined' || PDFJSDev.test('GENERIC')) {
} else if (typeof PDFJSDev !== 'undefined' && PDFJSDev.test('CHROME')) {
let PDFNetworkStream = require('./display/network.js').PDFNetworkStream;
let PDFFetchStream;
let isChromeWithFetchCredentials = function() {
// fetch does not include credentials until Chrome 61.0.3138.0 and later.
// https://chromium.googlesource.com/chromium/src/+/2e231cf052ca5e68e22baf0008ac9e5e29121707
try {
// Indexed properties on window are read-only in Chrome 61.0.3151.0+
// https://chromium.googlesource.com/chromium/src.git/+/58ab4a971b06dec13e4edf9de8382ca6847f6190
window[999] = 123; // should throw. Note: JS strict mode MUST be enabled.
delete window[999];
return false;
} catch (e) {
return true;
}
};
if (typeof Response !== 'undefined' && 'body' in Response.prototype &&
typeof ReadableStream !== 'undefined') {
typeof ReadableStream !== 'undefined' && isChromeWithFetchCredentials()) {
PDFFetchStream = require('./display/fetch_stream.js').PDFFetchStream;
}
pdfjsDisplayAPI.setPDFNetworkStreamFactory((params) => {