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5dee515e | 1 | |
2 | /* | |
edb9bfd5 | 3 | * $Id: ACLRequestHeaderStrategy.h,v 1.7 2003/08/10 09:53:49 robertc Exp $ |
5dee515e | 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" | |
b0dd28ba | 40 | #include "ACLStrategy.h" |
a2ac85d9 | 41 | #include "HttpRequest.h" |
5dee515e | 42 | |
43 | template <http_hdr_type header> | |
62e76326 | 44 | |
b0dd28ba | 45 | class ACLRequestHeaderStrategy : public ACLStrategy<char const *> |
5dee515e | 46 | { |
62e76326 | 47 | |
48 | public: | |
5dee515e | 49 | virtual int match (ACLData<char const *> * &, ACLChecklist *); |
50 | virtual bool requiresRequest() const {return true;} | |
62e76326 | 51 | |
5dee515e | 52 | static ACLRequestHeaderStrategy *Instance(); |
53 | /* Not implemented to prevent copies of the instance. */ | |
54 | /* Not private to prevent brain dead g+++ warnings about | |
55 | * private constructors with no friends */ | |
56 | ACLRequestHeaderStrategy(ACLRequestHeaderStrategy const &); | |
62e76326 | 57 | |
58 | private: | |
b6012c1a | 59 | static ACLRequestHeaderStrategy *Instance_; |
5dee515e | 60 | ACLRequestHeaderStrategy(){} |
62e76326 | 61 | |
5dee515e | 62 | ACLRequestHeaderStrategy&operator=(ACLRequestHeaderStrategy const &); |
63 | }; | |
64 | ||
65 | template <http_hdr_type header> | |
66 | int | |
67 | ACLRequestHeaderStrategy<header>::match (ACLData<char const *> * &data, ACLChecklist *checklist) | |
68 | { | |
69 | char const *theHeader = httpHeaderGetStr(&checklist->request->header, header); | |
62e76326 | 70 | |
5dee515e | 71 | if (NULL == theHeader) |
62e76326 | 72 | return 0; |
73 | ||
5dee515e | 74 | return data->match(theHeader); |
75 | } | |
76 | ||
77 | template <http_hdr_type header> | |
78 | ACLRequestHeaderStrategy<header> * | |
79 | ACLRequestHeaderStrategy<header>::Instance() | |
80 | { | |
b6012c1a | 81 | if (!Instance_) |
82 | Instance_ = new ACLRequestHeaderStrategy<header>; | |
83 | ||
84 | return Instance_; | |
5dee515e | 85 | } |
86 | ||
87 | template <http_hdr_type header> | |
edb9bfd5 | 88 | ACLRequestHeaderStrategy<header> * ACLRequestHeaderStrategy<header>::Instance_ = NULL; |
5dee515e | 89 | |
90 | #endif /* SQUID_REQUESTHEADERSTRATEGY_H */ |