mirror of
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270 lines
8.9 KiB
C++
270 lines
8.9 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Gagan Saksena <gagan@netscape.com> (original author)
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* Darin Fisher <darin@netscape.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef nsHttpAuthCache_h__
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#define nsHttpAuthCache_h__
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#include "nsHttp.h"
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#include "nsError.h"
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#include "nsTArray.h"
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#include "nsAutoPtr.h"
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#include "nsAString.h"
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#include "nsString.h"
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#include "nsCOMPtr.h"
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#include "plhash.h"
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#include "nsCRT.h"
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struct nsHttpAuthPath {
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struct nsHttpAuthPath *mNext;
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char mPath[1];
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};
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//-----------------------------------------------------------------------------
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// nsHttpAuthIdentity
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//-----------------------------------------------------------------------------
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class nsHttpAuthIdentity
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{
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public:
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nsHttpAuthIdentity()
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: mUser(nsnull)
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, mPass(nsnull)
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, mDomain(nsnull)
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{
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}
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nsHttpAuthIdentity(const PRUnichar *domain,
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const PRUnichar *user,
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const PRUnichar *password)
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: mUser(nsnull)
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{
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Set(domain, user, password);
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}
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~nsHttpAuthIdentity()
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{
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Clear();
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}
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const PRUnichar *Domain() const { return mDomain; }
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const PRUnichar *User() const { return mUser; }
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const PRUnichar *Password() const { return mPass; }
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nsresult Set(const PRUnichar *domain,
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const PRUnichar *user,
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const PRUnichar *password);
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nsresult Set(const nsHttpAuthIdentity &other) { return Set(other.mDomain, other.mUser, other.mPass); }
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void Clear();
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bool Equals(const nsHttpAuthIdentity &other) const;
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bool IsEmpty() const { return !mUser; }
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private:
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// allocated as one contiguous blob, starting at mUser.
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PRUnichar *mUser;
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PRUnichar *mPass;
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PRUnichar *mDomain;
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};
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//-----------------------------------------------------------------------------
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// nsHttpAuthEntry
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//-----------------------------------------------------------------------------
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class nsHttpAuthEntry
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{
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public:
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const char *Realm() const { return mRealm; }
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const char *Creds() const { return mCreds; }
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const char *Challenge() const { return mChallenge; }
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const PRUnichar *Domain() const { return mIdent.Domain(); }
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const PRUnichar *User() const { return mIdent.User(); }
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const PRUnichar *Pass() const { return mIdent.Password(); }
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nsHttpAuthPath *RootPath() { return mRoot; }
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const nsHttpAuthIdentity &Identity() const { return mIdent; }
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nsresult AddPath(const char *aPath);
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nsCOMPtr<nsISupports> mMetaData;
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private:
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nsHttpAuthEntry(const char *path,
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const char *realm,
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const char *creds,
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const char *challenge,
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const nsHttpAuthIdentity *ident,
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nsISupports *metadata)
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: mRoot(nsnull)
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, mTail(nsnull)
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, mRealm(nsnull)
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{
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Set(path, realm, creds, challenge, ident, metadata);
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}
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~nsHttpAuthEntry();
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nsresult Set(const char *path,
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const char *realm,
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const char *creds,
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const char *challenge,
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const nsHttpAuthIdentity *ident,
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nsISupports *metadata);
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nsHttpAuthIdentity mIdent;
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nsHttpAuthPath *mRoot; //root pointer
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nsHttpAuthPath *mTail; //tail pointer
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// allocated together in one blob, starting with mRealm.
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char *mRealm;
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char *mCreds;
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char *mChallenge;
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friend class nsHttpAuthNode;
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friend class nsHttpAuthCache;
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friend class nsAutoPtr<nsHttpAuthEntry>; // needs to call the destructor
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};
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//-----------------------------------------------------------------------------
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// nsHttpAuthNode
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//-----------------------------------------------------------------------------
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class nsHttpAuthNode
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{
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private:
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nsHttpAuthNode();
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~nsHttpAuthNode();
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// path can be null, in which case we'll search for an entry
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// with a null path.
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nsHttpAuthEntry *LookupEntryByPath(const char *path);
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// realm must not be null
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nsHttpAuthEntry *LookupEntryByRealm(const char *realm);
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// if a matching entry is found, then credentials will be changed.
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nsresult SetAuthEntry(const char *path,
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const char *realm,
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const char *credentials,
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const char *challenge,
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const nsHttpAuthIdentity *ident,
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nsISupports *metadata);
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void ClearAuthEntry(const char *realm);
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PRUint32 EntryCount() { return mList.Length(); }
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private:
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nsTArray<nsAutoPtr<nsHttpAuthEntry> > mList;
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friend class nsHttpAuthCache;
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};
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//-----------------------------------------------------------------------------
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// nsHttpAuthCache
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// (holds a hash table from host:port to nsHttpAuthNode)
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//-----------------------------------------------------------------------------
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class nsHttpAuthCache
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{
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public:
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nsHttpAuthCache();
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~nsHttpAuthCache();
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nsresult Init();
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// |scheme|, |host|, and |port| are required
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// |path| can be null
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// |entry| is either null or a weak reference
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nsresult GetAuthEntryForPath(const char *scheme,
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const char *host,
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PRInt32 port,
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const char *path,
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nsHttpAuthEntry **entry);
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// |scheme|, |host|, and |port| are required
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// |realm| must not be null
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// |entry| is either null or a weak reference
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nsresult GetAuthEntryForDomain(const char *scheme,
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const char *host,
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PRInt32 port,
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const char *realm,
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nsHttpAuthEntry **entry);
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// |scheme|, |host|, and |port| are required
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// |path| can be null
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// |realm| must not be null
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// if |credentials|, |user|, |pass|, and |challenge| are each
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// null, then the entry is deleted.
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nsresult SetAuthEntry(const char *scheme,
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const char *host,
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PRInt32 port,
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const char *directory,
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const char *realm,
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const char *credentials,
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const char *challenge,
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const nsHttpAuthIdentity *ident,
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nsISupports *metadata);
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void ClearAuthEntry(const char *scheme,
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const char *host,
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PRInt32 port,
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const char *realm);
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// expire all existing auth list entries including proxy auths.
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nsresult ClearAll();
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private:
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nsHttpAuthNode *LookupAuthNode(const char *scheme,
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const char *host,
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PRInt32 port,
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nsCString &key);
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// hash table allocation functions
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static void* AllocTable(void *, PRSize size);
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static void FreeTable(void *, void *item);
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static PLHashEntry* AllocEntry(void *, const void *key);
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static void FreeEntry(void *, PLHashEntry *he, PRUintn flag);
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static PLHashAllocOps gHashAllocOps;
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private:
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PLHashTable *mDB; // "host:port" --> nsHttpAuthNode
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};
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#endif // nsHttpAuthCache_h__
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