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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_FTP_FTP_AUTH_CACHE_H_
#define NET_FTP_FTP_AUTH_CACHE_H_
#include <string>
#include <map>
#include "net/base/auth.h"
class GURL;
namespace net {
// The FtpAuthCache class is a simple cache structure to store authentication
// information for ftp. Provides lookup, insertion, and deletion of entries.
// The parameter for doing lookups, insertions, and deletions is a GURL of the
// server's address (not a full URL with path, since FTP auth isn't per path).
// For example:
// GURL("ftp://myserver") -- OK (implied port of 21)
// GURL("ftp://myserver:21") -- OK
// GURL("ftp://myserver/PATH") -- WRONG, paths not allowed
class FtpAuthCache {
public:
FtpAuthCache() {}
~FtpAuthCache() {}
// Check if we have authentication data for ftp server at |origin|.
// Returns the address of corresponding AuthData object (if found) or NULL
// (if not found).
AuthData* Lookup(const GURL& origin);
// Add an entry for |origin| to the cache. If there is already an
// entry for |origin|, it will be overwritten. Both parameters are IN only.
void Add(const GURL& origin, AuthData* value);
// Remove the entry for |origin| from the cache, if one exists.
void Remove(const GURL& origin);
private:
typedef std::string AuthCacheKey;
typedef scoped_refptr<AuthData> AuthCacheValue;
typedef std::map<AuthCacheKey, AuthCacheValue> AuthCacheMap;
// Get the key in hash table |cache_| where entries for ftp server |origin|
// should be saved.
static AuthCacheKey MakeKey(const GURL& origin);
// internal representation of cache, an STL map.
AuthCacheMap cache_;
};
} // namespace net
#endif // NET_FTP_FTP_AUTH_CACHE_H_
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