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Browser: Process Max-Age cookie attribute

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Note: the default expiry time should be the "the latest representable
date". However, DateTime::from_timestamp(NumericLimits<time_t>::max())
isn't feasible due to the for-loops in LibC's time_to_tm. So instead,
this just sets the date to the maxium year.
This commit is contained in:
Timothy Flynn 2021-04-11 23:40:49 -04:00 • committed by Andreas Kling
parent d610aeb5da
commit a554676008
2 changed files with 25 additions and 1 deletions
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24
Userland/Applications/Browser/CookieJar.cpp
View file

@ -25,7 +25,9 @@
*/
#include "CookieJar.h"
#include <AK/NumericLimits.h>
#include <AK/URL.h>
#include <ctype.h>
namespace Browser {
@ -128,6 +130,8 @@ Optional<Cookie> CookieJar::parse_cookie(const String& cookie_string)
// 6. The cookie-name is the name string, and the cookie-value is the value string.
Cookie cookie { name, value };
cookie.expiry_time = Core::DateTime::create(AK::NumericLimits<unsigned>::max());
parse_attributes(cookie, unparsed_attributes);
return cookie;
}
@ -204,9 +208,27 @@ void CookieJar::on_expires_attribute([[maybe_unused]] Cookie& cookie, [[maybe_un
// https://tools.ietf.org/html/rfc6265#section-5.2.1
}
void CookieJar::on_max_age_attribute([[maybe_unused]] Cookie& cookie, [[maybe_unused]] StringView attribute_value)
void CookieJar::on_max_age_attribute(Cookie& cookie, StringView attribute_value)
{
// https://tools.ietf.org/html/rfc6265#section-5.2.2
// If the first character of the attribute-value is not a DIGIT or a "-" character, ignore the cookie-av.
if (attribute_value.is_empty() || (!isdigit(attribute_value[0]) && (attribute_value[0] != '-')))
return;
// Let delta-seconds be the attribute-value converted to an integer.
if (auto delta_seconds = attribute_value.to_int(); delta_seconds.has_value()) {
Core::DateTime expiry_time;
if (*delta_seconds <= 0) {
// If delta-seconds is less than or equal to zero (0), let expiry-time be the earliest representable date and time.
cookie.expiry_time = Core::DateTime::from_timestamp(0);
} else {
// Otherwise, let the expiry-time be the current date and time plus delta-seconds seconds.
time_t now = Core::DateTime::now().timestamp();
cookie.expiry_time = Core::DateTime::from_timestamp(now + *delta_seconds);
}
}
}
void CookieJar::on_domain_attribute([[maybe_unused]] Cookie& cookie, [[maybe_unused]] StringView attribute_value)

2
Userland/Applications/Browser/CookieJar.h
View file

@ -30,12 +30,14 @@
#include <AK/Optional.h>
#include <AK/String.h>
#include <AK/Vector.h>
#include <LibCore/DateTime.h>
namespace Browser {
struct Cookie {
String name;
String value;
Core::DateTime expiry_time {};
};
class CookieJar {