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// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef NET_BASE_AUTH_CACHE_H__
#define NET_BASE_AUTH_CACHE_H__
#include <string>
#include <map>
#include "net/base/auth.h"
class GURL;
namespace net {
// 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_;
};
} // namespace net
#endif // NET_BASE_AUTH_CACHE_H__
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