ContentSecurityPolicyMediaListDirective.cpp [plain text]
#include "config.h"
#include "ContentSecurityPolicyMediaListDirective.h"
#include "ContentSecurityPolicy.h"
#include "ContentSecurityPolicyDirectiveList.h"
#include "ParsingUtilities.h"
#include <wtf/text/StringHash.h>
namespace WebCore {
static bool isMediaTypeCharacter(UChar c)
{
return !isASCIISpace(c) && c != '/';
}
ContentSecurityPolicyMediaListDirective::ContentSecurityPolicyMediaListDirective(const ContentSecurityPolicyDirectiveList& directiveList, const String& name, const String& value)
: ContentSecurityPolicyDirective(directiveList, name, value)
{
parse(value);
}
bool ContentSecurityPolicyMediaListDirective::allows(const String& type) const
{
return m_pluginTypes.contains(type);
}
void ContentSecurityPolicyMediaListDirective::parse(const String& value)
{
auto characters = StringView(value).upconvertedCharacters();
const UChar* begin = characters;
const UChar* position = begin;
const UChar* end = begin + value.length();
if (value.isEmpty()) {
directiveList().policy().reportInvalidPluginTypes(value);
return;
}
while (position < end) {
skipWhile<UChar, isASCIISpace>(position, end);
if (position == end)
return;
begin = position;
if (!skipExactly<UChar, isMediaTypeCharacter>(position, end)) {
skipWhile<UChar, isNotASCIISpace>(position, end);
directiveList().policy().reportInvalidPluginTypes(String(begin, position - begin));
continue;
}
skipWhile<UChar, isMediaTypeCharacter>(position, end);
if (!skipExactly<UChar>(position, end, '/')) {
skipWhile<UChar, isNotASCIISpace>(position, end);
directiveList().policy().reportInvalidPluginTypes(String(begin, position - begin));
continue;
}
if (!skipExactly<UChar, isMediaTypeCharacter>(position, end)) {
skipWhile<UChar, isNotASCIISpace>(position, end);
directiveList().policy().reportInvalidPluginTypes(String(begin, position - begin));
continue;
}
skipWhile<UChar, isMediaTypeCharacter>(position, end);
if (position < end && isNotASCIISpace(*position)) {
skipWhile<UChar, isNotASCIISpace>(position, end);
directiveList().policy().reportInvalidPluginTypes(String(begin, position - begin));
continue;
}
m_pluginTypes.add(String(begin, position - begin));
ASSERT(position == end || isASCIISpace(*position));
}
}
}