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https://github.com/SerenityOS/serenity
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eb41f0144b
Parsing 'data:' URLs took it's own route. It never set standard URL
fields like path, query or fragment (except for scheme) and instead
gave us separate methods called `data_payload()`, `data_mime_type()`,
and `data_payload_is_base64()`.
Because parsing 'data:' didn't use standard fields, running the
following JS code:
new URL('#a', 'data:text/plain,hello').toString()
not only cleared the path as URLParser doesn't check for data from
data_payload() function (making the result be 'data:#a'), but it also
crashes the program because we forbid having an empty MIME type when we
serialize to string.
With this change, 'data:' URLs will be parsed like every other URLs.
To decode the 'data:' URL contents, one needs to call process_data_url()
on a URL, which will return a struct containing MIME type with already
decoded data! :^)
75 lines
2.1 KiB
C++
75 lines
2.1 KiB
C++
/*
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* Copyright (c) 2021, Max Wipfli <mail@maxwipfli.ch>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/Optional.h>
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#include <AK/StringView.h>
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#include <AK/URL.h>
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namespace AK {
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#define ENUMERATE_STATES \
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STATE(SchemeStart) \
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STATE(Scheme) \
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STATE(NoScheme) \
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STATE(SpecialRelativeOrAuthority) \
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STATE(PathOrAuthority) \
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STATE(Relative) \
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STATE(RelativeSlash) \
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STATE(SpecialAuthoritySlashes) \
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STATE(SpecialAuthorityIgnoreSlashes) \
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STATE(Authority) \
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STATE(Host) \
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STATE(Hostname) \
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STATE(Port) \
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STATE(File) \
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STATE(FileSlash) \
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STATE(FileHost) \
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STATE(PathStart) \
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STATE(Path) \
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STATE(CannotBeABaseUrlPath) \
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STATE(Query) \
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STATE(Fragment)
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class URLParser {
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public:
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enum class State {
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#define STATE(state) state,
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ENUMERATE_STATES
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#undef STATE
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};
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static char const* state_name(State const& state)
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{
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switch (state) {
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#define STATE(state) \
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case State::state: \
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return #state;
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ENUMERATE_STATES
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#undef STATE
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}
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VERIFY_NOT_REACHED();
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}
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// https://url.spec.whatwg.org/#concept-basic-url-parser
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static URL basic_parse(StringView input, Optional<URL> const& base_url = {}, Optional<URL> url = {}, Optional<State> state_override = {});
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// https://url.spec.whatwg.org/#string-percent-encode-after-encoding
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static DeprecatedString percent_encode_after_encoding(StringView input, URL::PercentEncodeSet percent_encode_set, bool space_as_plus = false);
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// https://url.spec.whatwg.org/#concept-host-serializer
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static ErrorOr<String> serialize_host(URL::Host const&);
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};
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#undef ENUMERATE_STATES
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}
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#if USING_AK_GLOBALLY
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using AK::URLParser;
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#endif
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