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// Copyright 2008, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef NET_BASE_AUTH_CACHE_H__
#define NET_BASE_AUTH_CACHE_H__
#include <string>
#include <map>
#include "net/base/auth.h"
class GURL;
// TODO(wtc): move AuthCache into the net namespace.
// The AuthCache class is a simple cache structure to store authentication
// information for ftp or http/https sites. Provides lookup, addition, and
// validation of entries.
class AuthCache {
public:
AuthCache() {}
~AuthCache() {}
typedef std::string AuthCacheKey;
// Return the key for looking up the auth data in the auth cache for HTTP,
// consisting of the scheme, host, and port of the request URL and the
// realm in the auth challenge.
static AuthCacheKey HttpKey(const GURL& url,
const AuthChallengeInfo& auth_info);
// Check if we have authentication data for given key. The key parameter
// is input, consisting of the hostname and any other info (such as realm)
// appropriate for the protocol. Return the address of corresponding
// AuthData object (if found) or NULL (if not found).
AuthData* Lookup(const AuthCacheKey& key);
// Add to the cache. If key already exists, this will overwrite. Both
// parameters are IN only.
void Add(const AuthCacheKey& key, AuthData* value) {
cache_[key] = value;
}
// Called when we have an auth failure to remove
// the likely invalid credentials.
void Remove(const AuthCacheKey& key) {
cache_.erase(key);
}
private:
typedef scoped_refptr<AuthData> AuthCacheValue;
typedef std::map<AuthCacheKey,AuthCacheValue> AuthCacheMap;
// internal representation of cache, an STL map.
AuthCacheMap cache_;
};
#endif // NET_BASE_AUTH_CACHE_H__
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