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Network: use the current location to prevent errors when using CSP headers

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When using content security headers to restrict connections to the same origin,
you may not make connections to `example.com`. This feature detection also
works with a request to the current location.
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Job van der Weiden 2017-03-03 23:18:51 +01:00 • committed by Tim van der Meij
parent 25f772a255
commit a05115d2ec
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1 changed files with 3 additions and 1 deletions
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4
src/core/network.js
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@ -31,6 +31,8 @@ if (typeof PDFJSDev !== 'undefined' && PDFJSDev.test('FIREFOX || MOZCENTRAL')) {
'be used with FIREFOX or MOZCENTRAL build.');
}
var globalScope = sharedUtil.globalScope;
var OK_RESPONSE = 200;
var PARTIAL_CONTENT_RESPONSE = 206;
@ -74,7 +76,7 @@ if (typeof PDFJSDev !== 'undefined' && PDFJSDev.test('FIREFOX || MOZCENTRAL')) {
// blocked, e.g. via the connect-src CSP directive or the NoScript addon.
// When this error occurs, this feature detection method will mistakenly
// report that moz-chunked-arraybuffer is not supported in Firefox 37-.
x.open('GET', 'https://example.com');
x.open('GET', globalScope.location.href);
x.responseType = 'moz-chunked-arraybuffer';
return x.responseType === 'moz-chunked-arraybuffer';
} catch (e) {