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Move the isSameOrigin helper function

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This function is currently placed in the `src/shared/util.js` file, which means that the code is duplicated in both of the *built* `pdf.js` and `pdf.worker.js` files. Furthermore, it only has a single call-site which is also specific to the `GENERIC`-build of the PDF.js library.

Hence this helper function is instead moved into the `src/display/api.js` file, in such a way that it's conditionally defined but still can be unit-tested.
This commit is contained in:
Jonas Jenwald 2022-03-10 13:37:21 +01:00
parent ee39499a5a
commit 537ed37835
4 changed files with 49 additions and 46 deletions
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17
src/shared/util.js
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@ -411,22 +411,6 @@ function assert(cond, msg) {
}
}
// Checks if URLs have the same origin. For non-HTTP based URLs, returns false.
function isSameOrigin(baseUrl, otherUrl) {
let base;
try {
base = new URL(baseUrl);
if (!base.origin || base.origin === "null") {
return false; // non-HTTP url
}
} catch (e) {
return false;
}
const other = new URL(otherUrl, base);
return base.origin === other.origin;
}
// Checks if URLs use one of the allowed protocols, e.g. to avoid XSS.
function _isValidProtocol(url) {
if (!url) {
@ -1133,7 +1117,6 @@ export {
isAscii,
IsEvalSupportedCached,
IsLittleEndianCached,
isSameOrigin,
MissingPDFException,
objectFromMap,
objectSize,