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64 lines
1.9 KiB
C
64 lines
1.9 KiB
C
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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef NET_FTP_FTP_AUTH_CACHE_H_
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#define NET_FTP_FTP_AUTH_CACHE_H_
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#include <stddef.h>
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#include <list>
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#include "net/base/auth.h"
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#include "net/base/net_export.h"
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#include "url/gurl.h"
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namespace net {
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// The FtpAuthCache class is a simple cache structure to store authentication
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// information for ftp. Provides lookup, insertion, and deletion of entries.
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// The parameter for doing lookups, insertions, and deletions is a GURL of the
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// server's address (not a full URL with path, since FTP auth isn't per path).
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// For example:
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// GURL("ftp://myserver") -- OK (implied port of 21)
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// GURL("ftp://myserver:21") -- OK
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// GURL("ftp://myserver/PATH") -- WRONG, paths not allowed
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class NET_EXPORT_PRIVATE FtpAuthCache {
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public:
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// Maximum number of entries we allow in the cache.
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static const size_t kMaxEntries;
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struct Entry {
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Entry(const GURL& origin, const AuthCredentials& credentials);
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~Entry();
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GURL origin;
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AuthCredentials credentials;
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};
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FtpAuthCache();
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~FtpAuthCache();
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// Return Entry corresponding to given |origin| or NULL if not found.
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Entry* Lookup(const GURL& origin);
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// Add an entry for |origin| to the cache using |credentials|. If there is
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// already an entry for |origin|, it will be overwritten.
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void Add(const GURL& origin, const AuthCredentials& credentials);
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// Remove the entry for |origin| from the cache, if one exists and matches
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// |credentials|.
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void Remove(const GURL& origin, const AuthCredentials& credentials);
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private:
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typedef std::list<Entry> EntryList;
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// Internal representation of cache, an STL list. This makes lookups O(n),
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// but we expect n to be very low.
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EntryList entries_;
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};
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} // namespace net
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#endif // NET_FTP_FTP_AUTH_CACHE_H_
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