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Browser+LibWeb+WebContent: Parse cookies in the OOP tab

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To protect the main Browser process against nefarious cookies, parse the
cookies out-of-process and then send the parsed result over IPC to the
main process. This way, if the cookie parser blows up, only that tab
will be affected.
This commit is contained in:
Timothy Flynn 2021-04-15 10:36:20 -04:00 • committed by Andreas Kling
parent 6e10c2cdb7
commit 2381b19719
19 changed files with 79 additions and 26 deletions
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20
Userland/Applications/Browser/CookieJar.cpp
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@ -56,17 +56,13 @@ String CookieJar::get_cookie(const URL& url, Web::Cookie::Source source)
return builder.build();
}
void CookieJar::set_cookie(const URL& url, const String& cookie_string, Web::Cookie::Source source)
void CookieJar::set_cookie(const URL& url, const Web::Cookie::ParsedCookie& parsed_cookie, Web::Cookie::Source source)
{
auto domain = canonicalize_domain(url);
if (!domain.has_value())
return;
auto parsed_cookie = Web::Cookie::parse_cookie(cookie_string);
if (!parsed_cookie.has_value())
return;
store_cookie(parsed_cookie.value(), url, move(domain.value()), source);
store_cookie(parsed_cookie, url, move(domain.value()), source);
purge_expired_cookies();
}
@ -176,12 +172,12 @@ String CookieJar::default_path(const URL& url)
return uri_path.substring(0, last_separator);
}
void CookieJar::store_cookie(Web::Cookie::ParsedCookie& parsed_cookie, const URL& url, String canonicalized_domain, Web::Cookie::Source source)
void CookieJar::store_cookie(const Web::Cookie::ParsedCookie& parsed_cookie, const URL& url, String canonicalized_domain, Web::Cookie::Source source)
{
// https://tools.ietf.org/html/rfc6265#section-5.3
// 2. Create a new cookie with name cookie-name, value cookie-value. Set the creation-time and the last-access-time to the current date and time.
Web::Cookie::Cookie cookie { move(parsed_cookie.name), move(parsed_cookie.value) };
Web::Cookie::Cookie cookie { parsed_cookie.name, parsed_cookie.value };
cookie.creation_time = Core::DateTime::now();
cookie.last_access_time = cookie.creation_time;
@ -189,12 +185,12 @@ void CookieJar::store_cookie(Web::Cookie::ParsedCookie& parsed_cookie, const URL
// 3. If the cookie-attribute-list contains an attribute with an attribute-name of "Max-Age": Set the cookie's persistent-flag to true.
// Set the cookie's expiry-time to attribute-value of the last attribute in the cookie-attribute-list with an attribute-name of "Max-Age".
cookie.persistent = true;
cookie.expiry_time = move(parsed_cookie.expiry_time_from_max_age_attribute.value());
cookie.expiry_time = parsed_cookie.expiry_time_from_max_age_attribute.value();
} else if (parsed_cookie.expiry_time_from_expires_attribute.has_value()) {
// If the cookie-attribute-list contains an attribute with an attribute-name of "Expires": Set the cookie's persistent-flag to true.
// Set the cookie's expiry-time to attribute-value of the last attribute in the cookie-attribute-list with an attribute-name of "Expires".
cookie.persistent = true;
cookie.expiry_time = move(parsed_cookie.expiry_time_from_expires_attribute.value());
cookie.expiry_time = parsed_cookie.expiry_time_from_expires_attribute.value();
} else {
// Set the cookie's persistent-flag to false. Set the cookie's expiry-time to the latest representable gddate.
cookie.persistent = false;
@ -204,7 +200,7 @@ void CookieJar::store_cookie(Web::Cookie::ParsedCookie& parsed_cookie, const URL
// 4. If the cookie-attribute-list contains an attribute with an attribute-name of "Domain":
if (parsed_cookie.domain.has_value()) {
// Let the domain-attribute be the attribute-value of the last attribute in the cookie-attribute-list with an attribute-name of "Domain".
cookie.domain = move(parsed_cookie.domain.value());
cookie.domain = parsed_cookie.domain.value();
}
// 5. If the user agent is configured to reject "public suffixes" and the domain-attribute is a public suffix:
@ -227,7 +223,7 @@ void CookieJar::store_cookie(Web::Cookie::ParsedCookie& parsed_cookie, const URL
// 7. If the cookie-attribute-list contains an attribute with an attribute-name of "Path":
if (parsed_cookie.path.has_value()) {
// Set the cookie's path to attribute-value of the last attribute in the cookie-attribute-list with an attribute-name of "Path".
cookie.path = move(parsed_cookie.path.value());
cookie.path = parsed_cookie.path.value();
} else {
cookie.path = default_path(url);
}