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App/util/ContentFilter.h

@@ -0,0 +1,55 @@
+#pragma once
+#include "V8Tree/Instance.h"
+#include "V8Tree/Service.h"
+namespace RBX {
+
+	extern const char* const sContentFilter;
+	class ContentFilter
+		: public DescribedNonCreatable<ContentFilter, Instance, sContentFilter, Reflection::ClassDescriptor::RUNTIME_LOCAL>
+		, public Service
+
+	{
+	public:
+		typedef enum { Waiting, Succeeded, Failed } FilterResult;
+		static const unsigned MAX_CONTENT_FILTER_SIZE;
+	private:
+		struct ResultEntry
+		{
+			bool result;
+			int usageCount;
+			ResultEntry(bool result=false)
+				:result(result),usageCount(0)
+			{}
+		};
+		typedef std::map<std::string, ResultEntry> ResultsDictionary;
+		typedef std::set<std::string> RequestSet;
+
+		ResultsDictionary resultsDictionary;
+		RequestSet requestSet;
+
+		std::string url;
+		unsigned maxOutstandingRequests;
+		unsigned maxTableSize;
+
+		static void truncateString(std::string& text);
+
+		//Returns false if it doesn't know yet, may truncate the string
+		bool isContentFilterReady(const std::string& value);
+		bool isStringSafe(std::string& value);
+
+		void cleanTable();
+	public:
+		ContentFilter();
+		~ContentFilter();
+
+
+		FilterResult getStringState(std::string& value);
+		
+		void setFilterUrl(std::string);
+		void setFilterLimits(int,int);
+
+		void doFilterRequest(std::string value);
+		void saveFilterResult(std::string value, bool result);
+	};
+
+}