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LibWeb: Implement extracting the origin of a blob URL

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Timothy Flynn 2023-08-01 18:35:04 -04:00 • committed by Linus Groh
parent b3f82f724d
commit dd36a0c12d
1 changed files with 19 additions and 1 deletions
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20
Userland/Libraries/LibWeb/URL/URL.cpp
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@ -10,6 +10,7 @@
#include <AK/IPv6Address.h>
#include <AK/URLParser.h>
#include <LibWeb/Bindings/Intrinsics.h>
#include <LibWeb/FileAPI/BlobURLStore.h>
#include <LibWeb/URL/URL.h>
namespace Web::URL {
@ -455,7 +456,24 @@ HTML::Origin url_origin(AK::URL const& url)
// The origin of a URL url is the origin returned by running these steps, switching on url’s scheme:
// -> "blob"
if (url.scheme() == "blob"sv) {
// FIXME: Support 'blob://' URLs
auto url_string = url.to_string().release_value_but_fixme_should_propagate_errors();
// 1. If url’s blob URL entry is non-null, then return url’s blob URL entry’s environment’s origin.
if (auto blob_url_entry = FileAPI::blob_url_store().get(url_string); blob_url_entry.has_value())
return blob_url_entry->environment->origin();
// 2. Let pathURL be the result of parsing the result of URL path serializing url.
auto path_url = parse(url.serialize_path());
// 3. If pathURL is failure, then return a new opaque origin.
if (!path_url.is_valid())
return HTML::Origin {};
// 4. If pathURL’s scheme is "http", "https", or "file", then return pathURL’s origin.
if (path_url.scheme().is_one_of("http"sv, "https"sv, "file"sv))
return url_origin(path_url);
// 5. Return a new opaque origin.
return HTML::Origin {};
}