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diff --git a/linden/indra/llplugin/llplugincookiestore.h b/linden/indra/llplugin/llplugincookiestore.h
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+/** 
+ * @file llplugincookiestore.h
+ * @brief LLPluginCookieStore provides central storage for http cookies used by plugins
+ *
+ * @cond
+ * $LicenseInfo:firstyear=2010&license=viewergpl$
+ * 
+ * Copyright (c) 2010, Linden Research, Inc.
+ * 
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlife.com/developers/opensource/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at
+ * http://secondlife.com/developers/opensource/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ * $/LicenseInfo$
+ * 
+ * @endcond
+ */
+
+#ifndef LL_LLPLUGINCOOKIESTORE_H
+#define LL_LLPLUGINCOOKIESTORE_H
+
+#include "lldate.h"
+#include <map>
+#include <string>
+#include <iostream>
+
+class LLPluginCookieStore
+{
+        LOG_CLASS(LLPluginCookieStore);
+public:
+        LLPluginCookieStore();
+        ~LLPluginCookieStore();
+
+        // gets all cookies currently in storage -- use when initializing a plugin
+        std::string getAllCookies();
+        void writeAllCookies(std::ostream& s);
+        
+        // gets only persistent cookies (i.e. not session cookies) -- use when writing cookies to a file
+        std::string getPersistentCookies();
+        void writePersistentCookies(std::ostream& s);
+        
+        // gets cookies which are marked as "changed" -- use when sending periodic updates to plugins
+        std::string getChangedCookies(bool clear_changed = true);
+        void writeChangedCookies(std::ostream& s, bool clear_changed = true);
+        
+        // (re)initializes internal data structures and bulk-sets cookies -- use when reading cookies from a file
+        void setAllCookies(const std::string &cookies, bool mark_changed = false);
+        void readAllCookies(std::istream& s, bool mark_changed = false);
+        
+        // sets one or more cookies (without reinitializing anything) -- use when receiving cookies from a plugin
+        void setCookies(const std::string &cookies, bool mark_changed = true);
+        void readCookies(std::istream& s, bool mark_changed = true);
+
+        // sets one or more cookies (without reinitializing anything), supplying a hostname the cookies came from -- use when setting a cookie manually
+        void setCookiesFromHost(const std::string &cookies, const std::string &host, bool mark_changed = true);
+
+        // quote or unquote a string as per the definition of 'quoted-string' in rfc2616
+        static std::string quoteString(const std::string &s);
+        static std::string unquoteString(const std::string &s);
+        
+private:
+
+        void setOneCookie(const std::string &s, std::string::size_type cookie_start, std::string::size_type cookie_end, bool mark_changed, const std::string &host = LLStringUtil::null);
+
+        class Cookie
+        {
+        public:
+                static Cookie *createFromString(const std::string &s, std::string::size_type cookie_start = 0, std::string::size_type cookie_end = std::string::npos, const std::string &host = LLStringUtil::null);
+                
+                // Construct a string from the cookie that uniquely represents it, to be used as a key in a std::map.
+                std::string getKey() const;
+                
+                const std::string &getCookie() const { return mCookie; };
+                bool isSessionCookie() const { return mDate.isNull(); };
+
+                bool isDead() const { return mDead; };
+                void setDead(bool dead) { mDead = dead; };
+                
+                bool isChanged() const { return mChanged; };
+                void setChanged(bool changed) { mChanged = changed; };
+
+                const LLDate &getDate() const { return mDate; };
+                
+        private:
+                Cookie(const std::string &s, std::string::size_type cookie_start = 0, std::string::size_type cookie_end = std::string::npos);
+                bool parse(const std::string &host);
+                std::string::size_type findFieldEnd(std::string::size_type start = 0, std::string::size_type end = std::string::npos);
+                bool matchName(std::string::size_type start, std::string::size_type end, const char *name);
+                
+                std::string mCookie;    // The full cookie, in RFC 2109 string format
+                LLDate mDate;                   // The expiration date of the cookie.  For session cookies, this will be a null date (mDate.isNull() is true).
+                // Start/end indices of various parts of the cookie string.  Stored as indices into the string to save space and time.
+                std::string::size_type mNameStart, mNameEnd;
+                std::string::size_type mValueStart, mValueEnd;
+                std::string::size_type mDomainStart, mDomainEnd;
+                std::string::size_type mPathStart, mPathEnd;
+                bool mDead;
+                bool mChanged;
+        };
+        
+        typedef std::map<std::string, Cookie*> cookie_map_t;
+        
+        cookie_map_t mCookies;
+        bool mHasChangedCookies;
+        
+        void clearCookies();
+        void removeCookie(const std::string &key);
+};
+
+#endif // LL_LLPLUGINCOOKIESTORE_H