[thirdparty/squid.git] / src / ACLRequestHeaderStrategy.h


/*
 * $Id: ACLRequestHeaderStrategy.h,v 1.1 2003/02/17 07:01:34 robertc Exp $
 *
 *
 * SQUID Web Proxy Cache          http://www.squid-cache.org/
 * ----------------------------------------------------------
 *
 *  Squid is the result of efforts by numerous individuals from
 *  the Internet community; see the CONTRIBUTORS file for full
 *  details.   Many organizations have provided support for Squid's
 *  development; see the SPONSORS file for full details.  Squid is
 *  Copyrighted (C) 2001 by the Regents of the University of
 *  California; see the COPYRIGHT file for full details.  Squid
 *  incorporates software developed and/or copyrighted by other
 *  sources; see the CREDITS file for full details.
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *  
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *  
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
 *
 *
 * Copyright (c) 2003, Robert Collins <robertc@squid-cache.org>
 */

#ifndef SQUID_ACLREQUESTHEADERSTRATEGY_H
#define SQUID_ACLREQUESTHEADERSTRATEGY_H
#include "ACL.h"
#include "ACLData.h"
#include "ACLMatchStrategy.h"

template <http_hdr_type header>
class ACLRequestHeaderStrategy : public ACLMatchStrategy<char const *>
{
  public:
    virtual int match (ACLData<char const *> * &, ACLChecklist *);
    virtual bool requiresRequest() const {return true;}
    static ACLRequestHeaderStrategy *Instance();
    /* Not implemented to prevent copies of the instance. */
    /* Not private to prevent brain dead g+++ warnings about
     * private constructors with no friends */
    ACLRequestHeaderStrategy(ACLRequestHeaderStrategy const &);
  private:
    static ACLRequestHeaderStrategy Instance_;
    ACLRequestHeaderStrategy(){}
    ACLRequestHeaderStrategy&operator=(ACLRequestHeaderStrategy const &);
};

template <http_hdr_type header>
int
ACLRequestHeaderStrategy<header>::match (ACLData<char const *> * &data, ACLChecklist *checklist)
{
    char const *theHeader = httpHeaderGetStr(&checklist->request->header, header);
    if (NULL == theHeader)
	return 0;
    return data->match(theHeader);
}

template <http_hdr_type header>
ACLRequestHeaderStrategy<header> *
ACLRequestHeaderStrategy<header>::Instance()
{
    return &Instance_;
}

template <http_hdr_type header>
ACLRequestHeaderStrategy<header> ACLRequestHeaderStrategy<header>::Instance_;

#endif /* SQUID_REQUESTHEADERSTRATEGY_H */
Commit	Line	Data
5dee515e	1
	2	/*
	3	* $Id: ACLRequestHeaderStrategy.h,v 1.1 2003/02/17 07:01:34 robertc Exp $
	4	*
	5	*
	6	* SQUID Web Proxy Cache http://www.squid-cache.org/
	7	* ----------------------------------------------------------
	8	*
	9	* Squid is the result of efforts by numerous individuals from
	10	* the Internet community; see the CONTRIBUTORS file for full
	11	* details. Many organizations have provided support for Squid's
	12	* development; see the SPONSORS file for full details. Squid is
	13	* Copyrighted (C) 2001 by the Regents of the University of
	14	* California; see the COPYRIGHT file for full details. Squid
	15	* incorporates software developed and/or copyrighted by other
	16	* sources; see the CREDITS file for full details.
	17	*
	18	* This program is free software; you can redistribute it and/or modify
	19	* it under the terms of the GNU General Public License as published by
	20	* the Free Software Foundation; either version 2 of the License, or
	21	* (at your option) any later version.
	22	*
	23	* This program is distributed in the hope that it will be useful,
	24	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	25	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	26	* GNU General Public License for more details.
	27	*
	28	* You should have received a copy of the GNU General Public License
	29	* along with this program; if not, write to the Free Software
	30	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
	31	*
	32	*
	33	* Copyright (c) 2003, Robert Collins <robertc@squid-cache.org>
	34	*/
	35
	36	#ifndef SQUID_ACLREQUESTHEADERSTRATEGY_H
	37	#define SQUID_ACLREQUESTHEADERSTRATEGY_H
	38	#include "ACL.h"
	39	#include "ACLData.h"
	40	#include "ACLMatchStrategy.h"
	41
	42	template <http_hdr_type header>
	43	class ACLRequestHeaderStrategy : public ACLMatchStrategy<char const *>
	44	{
	45	public:
	46	virtual int match (ACLData<char const > &, ACLChecklist *);
	47	virtual bool requiresRequest() const {return true;}
	48	static ACLRequestHeaderStrategy *Instance();
	49	/* Not implemented to prevent copies of the instance. */
	50	/* Not private to prevent brain dead g+++ warnings about
	51	* private constructors with no friends */
	52	ACLRequestHeaderStrategy(ACLRequestHeaderStrategy const &);
	53	private:
	54	static ACLRequestHeaderStrategy Instance_;
	55	ACLRequestHeaderStrategy(){}
	56	ACLRequestHeaderStrategy&operator=(ACLRequestHeaderStrategy const &);
	57	};
	58
	59	template <http_hdr_type header>
	60	int
	61	ACLRequestHeaderStrategy<header>::match (ACLData<char const > &data, ACLChecklist *checklist)
	62	{
	63	char const *theHeader = httpHeaderGetStr(&checklist->request->header, header);
	64	if (NULL == theHeader)
65	return 0;
66	return data->match(theHeader);
67	}
68
69	template <http_hdr_type header>
70	ACLRequestHeaderStrategy<header> *
71	ACLRequestHeaderStrategy<header>::Instance()
72	{
73	return &Instance_;
74	}
75
76	template <http_hdr_type header>
77	ACLRequestHeaderStrategy<header> ACLRequestHeaderStrategy<header>::Instance_;
78
79	#endif /* SQUID_REQUESTHEADERSTRATEGY_H */