| 1 | /*- |
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| 2 | * Copyright (c) 2006 Verdens Gang AS |
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| 3 | * Copyright (c) 2006-2009 Linpro AS |
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| 4 | * All rights reserved. |
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| 5 | * |
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| 6 | * Author: Poul-Henning Kamp <phk@phk.freebsd.dk> |
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| 7 | * |
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| 8 | * Redistribution and use in source and binary forms, with or without |
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| 9 | * modification, are permitted provided that the following conditions |
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| 10 | * are met: |
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| 11 | * 1. Redistributions of source code must retain the above copyright |
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| 12 | * notice, this list of conditions and the following disclaimer. |
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| 13 | * 2. Redistributions in binary form must reproduce the above copyright |
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| 14 | * notice, this list of conditions and the following disclaimer in the |
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| 15 | * documentation and/or other materials provided with the distribution. |
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| 16 | * |
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
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| 18 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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| 20 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE |
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| 21 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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| 22 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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| 23 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
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| 24 | * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
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| 25 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
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| 26 | * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, |
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| 27 | * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 28 | * |
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| 29 | * $Id$ |
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| 30 | * |
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| 31 | * The default VCL code. |
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| 32 | * |
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| 33 | * NB! You do NOT need to copy & paste all of these functions into your |
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| 34 | * own vcl code, if you do not provide a definition of one of these |
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| 35 | * functions, the compiler will automatically fall back to the default |
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| 36 | * code from this file. |
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| 37 | * |
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| 38 | * This code will be prefixed with a backend declaration built from the |
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| 39 | * -b argument. |
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| 40 | */ |
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| 41 | |
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| 42 | sub vcl_recv { |
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| 43 | if (req.restarts == 0) { |
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| 44 | if (req.http.x-forwarded-for) { |
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| 45 | set req.http.X-Forwarded-For = |
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| 46 | req.http.X-Forwarded-For + ", " + client.ip; |
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| 47 | } else { |
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| 48 | set req.http.X-Forwarded-For = client.ip; |
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| 49 | } |
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| 50 | } |
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| 51 | if (req.request != "GET" && |
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| 52 | req.request != "HEAD" && |
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| 53 | req.request != "PUT" && |
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| 54 | req.request != "POST" && |
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| 55 | req.request != "TRACE" && |
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| 56 | req.request != "OPTIONS" && |
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| 57 | req.request != "DELETE") { |
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| 58 | /* Non-RFC2616 or CONNECT which is weird. */ |
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| 59 | return (pipe); |
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| 60 | } |
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| 61 | if (req.request != "GET" && req.request != "HEAD") { |
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| 62 | /* We only deal with GET and HEAD by default */ |
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| 63 | return (pass); |
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| 64 | } |
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| 65 | if (req.http.Authorization || req.http.Cookie) { |
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| 66 | /* Not cacheable by default */ |
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| 67 | return (pass); |
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| 68 | } |
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| 69 | return (lookup); |
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| 70 | } |
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| 71 | |
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| 72 | sub vcl_pipe { |
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| 73 | # Note that only the first request to the backend will have |
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| 74 | # X-Forwarded-For set. If you use X-Forwarded-For and want to |
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| 75 | # have it set for all requests, make sure to have: |
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| 76 | # set req.http.connection = "close"; |
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| 77 | # here. It is not set by default as it might break some broken web |
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| 78 | # applications, like IIS with NTLM authentication. |
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| 79 | return (pipe); |
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| 80 | } |
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| 81 | |
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| 82 | sub vcl_pass { |
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| 83 | return (pass); |
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| 84 | } |
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| 85 | |
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| 86 | sub vcl_hash { |
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| 87 | hash_data(req.url); |
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| 88 | if (req.http.host) { |
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| 89 | hash_data(req.http.host); |
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| 90 | } else { |
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| 91 | hash_data(server.ip); |
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| 92 | } |
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| 93 | return (hash); |
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| 94 | } |
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| 95 | |
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| 96 | sub vcl_hit { |
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| 97 | if (!obj.cacheable) { |
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| 98 | return (pass); |
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| 99 | } |
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| 100 | return (deliver); |
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| 101 | } |
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| 102 | |
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| 103 | sub vcl_miss { |
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| 104 | return (fetch); |
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| 105 | } |
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| 106 | |
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| 107 | sub vcl_fetch { |
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| 108 | if (!beresp.cacheable) { |
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| 109 | return (pass); |
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| 110 | } |
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| 111 | if (beresp.http.Set-Cookie) { |
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| 112 | return (pass); |
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| 113 | } |
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| 114 | return (deliver); |
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| 115 | } |
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| 116 | |
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| 117 | sub vcl_deliver { |
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| 118 | return (deliver); |
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| 119 | } |
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| 120 | |
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| 121 | sub vcl_error { |
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| 122 | set obj.http.Content-Type = "text/html; charset=utf-8"; |
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| 123 | synthetic {" |
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| 124 | <?xml version="1.0" encoding="utf-8"?> |
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| 125 | <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" |
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| 126 | "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> |
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| 127 | <html> |
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| 128 | <head> |
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| 129 | <title>"} + obj.status + " " + obj.response + {"</title> |
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| 130 | </head> |
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| 131 | <body> |
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| 132 | <h1>Error "} + obj.status + " " + obj.response + {"</h1> |
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| 133 | <p>"} + obj.response + {"</p> |
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| 134 | <h3>Guru Meditation:</h3> |
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| 135 | <p>XID: "} + req.xid + {"</p> |
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| 136 | <hr> |
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| 137 | <p>Varnish cache server</p> |
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| 138 | </body> |
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| 139 | </html> |
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| 140 | "}; |
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| 141 | return (deliver); |
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| 142 | } |
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