1 files changed, 61 insertions, 0 deletions
diff --git a/chromium/net/ftp/ftp_auth_cache.h b/chromium/net/ftp/ftp_auth_cache.h
new file mode 100644
index 00000000000..526b3588782
--- /dev/null
+++ b/chromium/net/ftp/ftp_auth_cache.h
@@ -0,0 +1,61 @@
+// Copyright (c) 2011 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 <list>
+
+#include "net/base/auth.h"
+#include "net/base/net_export.h"
+#include "url/gurl.h"
+
+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 NET_EXPORT_PRIVATE FtpAuthCache {
+ public:
+  // Maximum number of entries we allow in the cache.
+  static const size_t kMaxEntries;
+
+  struct Entry {
+    Entry(const GURL& origin, const AuthCredentials& credentials);
+    ~Entry();
+
+    GURL origin;
+    AuthCredentials credentials;
+  };
+
+  FtpAuthCache();
+  ~FtpAuthCache();
+
+  // Return Entry corresponding to given |origin| or NULL if not found.
+  Entry* Lookup(const GURL& origin);
+
+  // Add an entry for |origin| to the cache using |credentials|. If there is
+  // already an entry for |origin|, it will be overwritten.
+  void Add(const GURL& origin, const AuthCredentials& credentials);
+
+  // Remove the entry for |origin| from the cache, if one exists and matches
+  // |credentials|.
+  void Remove(const GURL& origin, const AuthCredentials& credentials);
+
+ private:
+  typedef std::list<Entry> EntryList;
+
+  // Internal representation of cache, an STL list. This makes lookups O(n),
+  // but we expect n to be very low.
+  EntryList entries_;
+};
+
+}  // namespace net
+
+#endif  // NET_FTP_FTP_AUTH_CACHE_H_