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LibWeb: Make sure we fallback to "Unsupported type" if type unrecognized

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If we do not recognize the Type being serialized make sure we always
fallback to setting m_error to "Unsupported type".
This commit is contained in:
Kenneth Myhra 2023-08-01 20:53:43 +02:00 committed by Andreas Kling
parent d923c2dd1b
commit cf2c2cb4d7
Notes: sideshowbarker 2024-07-16 22:16:50 +09:00 
Author: https://github.com/kennethmyhra
Commit: https://github.com/SerenityOS/serenity/commit/cf2c2cb4d7
Pull-request: https://github.com/SerenityOS/serenity/pull/20306
1 changed files with 18 additions and 21 deletions
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39
Userland/Libraries/LibWeb/HTML/StructuredSerialize.cpp
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@ -101,27 +101,24 @@ public:
} else if (value.is_string()) {
m_serialized.append(ValueTag::StringPrimitive);
TRY(serialize_string(m_serialized, value.as_string()));
} else if (value.is_object()) {
auto& value_object = value.as_object();
if (is<JS::BooleanObject>(value_object)) {
m_serialized.append(ValueTag::BooleanObject);
auto& boolean_object = static_cast<JS::BooleanObject&>(value_object);
m_serialized.append(bit_cast<u32>(static_cast<u32>(boolean_object.boolean())));
} else if (is<JS::NumberObject>(value_object)) {
m_serialized.append(ValueTag::NumberObject);
auto& number_object = static_cast<JS::NumberObject&>(value_object);
double const number = number_object.number();
m_serialized.append(bit_cast<u32*>(&number), 2);
} else if (is<JS::StringObject>(value_object)) {
m_serialized.append(ValueTag::StringObject);
auto& string_object = static_cast<JS::StringObject&>(value_object);
TRY(serialize_string(m_serialized, string_object.primitive_string()));
} else if (is<JS::Date>(value_object)) {
m_serialized.append(ValueTag::DateObject);
auto& date_object = static_cast<JS::Date&>(value_object);
double const date_value = date_object.date_value();
m_serialized.append(bit_cast<u32*>(&date_value), 2);
}
} else if (value.is_object() && is<JS::BooleanObject>(value.as_object())) {
m_serialized.append(ValueTag::BooleanObject);
auto& boolean_object = static_cast<JS::BooleanObject&>(value.as_object());
m_serialized.append(bit_cast<u32>(static_cast<u32>(boolean_object.boolean())));
} else if (value.is_object() && is<JS::NumberObject>(value.as_object())) {
m_serialized.append(ValueTag::NumberObject);
auto& number_object = static_cast<JS::NumberObject&>(value.as_object());
double const number = number_object.number();
m_serialized.append(bit_cast<u32*>(&number), 2);
} else if (value.is_object() && is<JS::StringObject>(value.as_object())) {
m_serialized.append(ValueTag::StringObject);
auto& string_object = static_cast<JS::StringObject&>(value.as_object());
TRY(serialize_string(m_serialized, string_object.primitive_string()));
} else if (value.is_object() && is<JS::Date>(value.as_object())) {
m_serialized.append(ValueTag::DateObject);
auto& date_object = static_cast<JS::Date&>(value.as_object());
double const date_value = date_object.date_value();
m_serialized.append(bit_cast<u32*>(&date_value), 2);
} else {
// TODO: Define many more types
m_error = "Unsupported type"sv;