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LibJS: Check dates are below the time_clip threshold

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This commit is contained in:
Idan Horowitz
2021-06-06 17:42:49 +03:00
committed by Linus Groh
parent c4530e95f4
commit f65cb63aab
3 changed files with 60 additions and 12 deletions
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7
Userland/Libraries/LibJS/Runtime/DateConstructor.cpp
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@@ -172,6 +172,8 @@ Value DateConstructor::construct(Function&)
// A timestamp since the epoch, in UTC.
double value_as_double = value.as_double();
if (value_as_double > Date::time_clip)
return create_invalid_date();
auto datetime = Core::DateTime::from_timestamp(static_cast<time_t>(value_as_double / 1000));
auto milliseconds = static_cast<i16>(fmod(value_as_double, 1000));
return Date::create(global_object(), datetime, milliseconds);
@@ -247,7 +249,10 @@ Value DateConstructor::construct(Function&)
year += 1900;
int month = month_index + 1;
auto datetime = Core::DateTime::create(year, month, day, hours, minutes, seconds);
return Date::create(global_object(), datetime, milliseconds);
auto* date = Date::create(global_object(), datetime, milliseconds);
if (date->time() > Date::time_clip)
return create_invalid_date();
return date;
}
JS_DEFINE_NATIVE_FUNCTION(DateConstructor::now)