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opaque-origin-sandbox.html
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opaque-origin-sandbox.html
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<!DOCTYPE html>
<script>
'use strict'
// Sends two messages to its creator:
// (1) The result of chooseFileSystemEntries().
// (2) The result of FileSystemDirectoryHandle.getSystemDirectory().
function post_message(data) {
if (window.parent !== null) {
window.parent.postMessage(data, { targetOrigin: '*' });
}
if (window.opener !== null) {
window.opener.postMessage(data, { targetOrigin: '*' });
}
}
try {
window.chooseFileSystemEntries({ type: 'open-directory' })
.then(() => {
post_message('chooseFileSystemEntries(): FULFILLED');
}).catch(error => {
post_message(`chooseFileSystemEntries(): REJECTED: ${error.name}`);
});
} catch (error) {
post_message(`chooseFileSystemEntries(): EXCEPTION: ${error.name}`);
}
try {
window.FileSystemDirectoryHandle.getSystemDirectory({ type: 'sandbox' })
.then(() => {
post_message('getSystemDirectory(): FULFILLED');
}).catch(error => {
post_message(`getSystemDirectory(): REJECTED: ${error.name}`);
});
} catch (error) {
post_message(`getSystemDirectory(): EXCEPTION: ${error.name}`);
}
</script>