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AK: Check for state override in more places for basic URL parsing

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Shannon Booth 2023-07-04 20:34:00 +12:00 committed by Andreas Kling
parent c6c424e982
commit 983441b67f
Notes: sideshowbarker 2024-07-17 16:23:06 +09:00 
Author: https://github.com/shannonbooth
Commit: https://github.com/SerenityOS/serenity/commit/983441b67f
Pull-request: https://github.com/SerenityOS/serenity/pull/19787
1 changed files with 35 additions and 21 deletions
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56
AK/URLParser.cpp
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@ -302,12 +302,15 @@ URL URLParser::parse(StringView raw_input, Optional<URL> const& base_url, Option
buffer.append_as_lowercase(code_point);
state = State::Scheme;
}
// FIXME: 2. Otherwise, if state override is not given, set state to no scheme state and decrease pointer by 1.
else {
// 2. Otherwise, if state override is not given, set state to no scheme state and decrease pointer by 1.
else if (!state_override.has_value()) {
state = State::NoScheme;
continue;
}
// FIXME: 3. Otherwise, return failure.
// 3. Otherwise, return failure.
else {
return {};
}
break;
// -> scheme state, https://url.spec.whatwg.org/#scheme-state
case State::Scheme:
@ -371,15 +374,17 @@ URL URLParser::parse(StringView raw_input, Optional<URL> const& base_url, Option
state = State::CannotBeABaseUrlPath;
}
}
// FIXME: 3. Otherwise, if state override is not given, set buffer to the empty string, state to no scheme state, and start over (from the first code point in input).
else {
// 3. Otherwise, if state override is not given, set buffer to the empty string, state to no scheme state, and start over (from the first code point in input).
else if (!state_override.has_value()) {
buffer.clear();
state = State::NoScheme;
iterator = input.begin();
continue;
}
// FIXME: 4. Otherwise, return failure.
// 4. Otherwise, return failure.
else {
return {};
}
break;
// -> no scheme state, https://url.spec.whatwg.org/#no-scheme-state
case State::NoScheme:
@ -614,7 +619,11 @@ URL URLParser::parse(StringView raw_input, Optional<URL> const& base_url, Option
// -> hostname state, https://url.spec.whatwg.org/#hostname-state
case State::Host:
case State::Hostname:
// FIXME: 1. If state override is given and url’s scheme is "file", then decrease pointer by 1 and set state to file host state.
// 1. If state override is given and url’s scheme is "file", then decrease pointer by 1 and set state to file host state.
if (state_override.has_value() && url->scheme() == "file") {
state = State::FileHost;
continue;
}
// 2. Otherwise, if c is U+003A (:) and insideBrackets is false, then:
if (code_point == ':' && !inside_brackets) {
@ -696,8 +705,10 @@ URL URLParser::parse(StringView raw_input, Optional<URL> const& base_url, Option
// 2. Otherwise, if one of the following is true:
// * c is the EOF code point, U+002F (/), U+003F (?), or U+0023 (#)
// * url is special and c is U+005C (\)
// * FIXME: state override is given
else if (code_point == end_of_file || code_point == '/' || code_point == '?' || code_point == '#' || (url->is_special() && code_point == '\\')) {
// * state override is given
else if ((code_point == end_of_file || code_point == '/' || code_point == '?' || code_point == '#')
|| (url->is_special() && code_point == '\\')
|| state_override.has_value()) {
// then:
// 1. If buffer is not the empty string, then:
@ -830,8 +841,7 @@ URL URLParser::parse(StringView raw_input, Optional<URL> const& base_url, Option
// NOTE: decreasing the pointer is done at the bottom of this block.
if (code_point == end_of_file || code_point == '/' || code_point == '\\' || code_point == '?' || code_point == '#') {
// 1. If state override is not given and buffer is a Windows drive letter, file-invalid-Windows-drive-letter-host validation error, set state to path state.
// FIXME: Check state override.
if (is_windows_drive_letter(buffer.string_view())) {
if (!state_override.has_value() && is_windows_drive_letter(buffer.string_view())) {
report_validation_error();
state = State::Path;
}
@ -891,14 +901,12 @@ URL URLParser::parse(StringView raw_input, Optional<URL> const& base_url, Option
continue;
}
// 2. Otherwise, if state override is not given and c is U+003F (?), set url’s query to the empty string and state to query state.
// FIXME: Check for state override
else if (code_point == '?') {
else if (!state_override.has_value() && code_point == '?') {
url->m_query = "";
state = State::Query;
}
// 3. Otherwise, if state override is not given and c is U+0023 (#), set url’s fragment to the empty string and state to fragment state.
// FIXME: Check for state override
else if (code_point == '#') {
else if (!state_override.has_value() && code_point == '#') {
url->m_fragment = "";
state = State::Fragment;
}
@ -911,15 +919,20 @@ URL URLParser::parse(StringView raw_input, Optional<URL> const& base_url, Option
if (code_point != '/')
continue;
}
// FIXME: 5. Otherwise, if state override is given and url’s host is null, append the empty string to url’s path.
// 5. Otherwise, if state override is given and url’s host is null, append the empty string to url’s path.
else if (state_override.has_value() && url->host().is_empty()) {
url->append_slash();
}
break;
// -> path state, https://url.spec.whatwg.org/#path-state
case State::Path:
// 1. If one of the following is true:
// * c is the EOF code point or U+002F (/)
// * url is special and c is U+005C (\)
// * FIXME: state override is not given and c is U+003F (?) or U+0023 (#)
if (code_point == end_of_file || code_point == '/' || (url->is_special() && code_point == '\\') || code_point == '?' || code_point == '#') {
// * state override is not given and c is U+003F (?) or U+0023 (#)
if ((code_point == end_of_file || code_point == '/')
|| (url->is_special() && code_point == '\\')
|| (!state_override.has_value() && (code_point == '?' || code_point == '#'))) {
// then:
// 1. If url is special and c is U+005C (\), invalid-reverse-solidus validation error.
@ -1023,9 +1036,10 @@ URL URLParser::parse(StringView raw_input, Optional<URL> const& base_url, Option
// then set encoding to UTF-8.
// 2. If one of the following is true:
// * FIXME: state override is not given and c is U+0023 (#)
// * state override is not given and c is U+0023 (#)
// * c is the EOF code point
if (code_point == end_of_file || code_point == '#') {
if ((!state_override.has_value() && code_point == '#')
|| code_point == end_of_file) {
VERIFY(url->m_query == "");
// then: