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150 lines
4.2 KiB
Plaintext
150 lines
4.2 KiB
Plaintext
/*-
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* Copyright (c) 2006 Verdens Gang AS
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* Copyright (c) 2006-2011 Varnish Software AS
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* All rights reserved.
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*
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* Author: Poul-Henning Kamp <phk@phk.freebsd.dk>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* The default VCL code.
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*
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* NB! You do NOT need to copy & paste all of these functions into your
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* own vcl code, if you do not provide a definition of one of these
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* functions, the compiler will automatically fall back to the default
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* code from this file.
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*
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* This code will be prefixed with a backend declaration built from the
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* -b argument.
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*/
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sub vcl_recv {
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if (req.restarts == 0) {
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if (req.http.x-forwarded-for) {
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set req.http.X-Forwarded-For =
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req.http.X-Forwarded-For + ", " + client.ip;
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} else {
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set req.http.X-Forwarded-For = client.ip;
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}
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}
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if (req.request != "GET" &&
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req.request != "HEAD" &&
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req.request != "PUT" &&
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req.request != "POST" &&
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req.request != "TRACE" &&
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req.request != "OPTIONS" &&
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req.request != "DELETE") {
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/* Non-RFC2616 or CONNECT which is weird. */
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return (pipe);
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}
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if (req.request != "GET" && req.request != "HEAD") {
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/* We only deal with GET and HEAD by default */
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return (pass);
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}
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if (req.http.Authorization || req.http.Cookie) {
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/* Not cacheable by default */
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return (pass);
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}
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return (lookup);
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}
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sub vcl_pipe {
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# Note that only the first request to the backend will have
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# X-Forwarded-For set. If you use X-Forwarded-For and want to
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# have it set for all requests, make sure to have:
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# set bereq.http.connection = "close";
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# here. It is not set by default as it might break some broken web
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# applications, like IIS with NTLM authentication.
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return (pipe);
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}
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sub vcl_pass {
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return (pass);
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}
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sub vcl_hash {
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hash_data(req.url);
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if (req.http.host) {
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hash_data(req.http.host);
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} else {
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hash_data(server.ip);
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}
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return (hash);
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}
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sub vcl_hit {
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return (deliver);
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}
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sub vcl_miss {
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return (fetch);
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}
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sub vcl_fetch {
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if (beresp.ttl <= 0s ||
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beresp.http.Set-Cookie ||
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beresp.http.Vary == "*") {
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/*
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* Mark as "Hit-For-Pass" for the next 2 minutes
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*/
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set beresp.ttl = 120 s;
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return (hit_for_pass);
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}
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return (deliver);
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}
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sub vcl_deliver {
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return (deliver);
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}
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sub vcl_error {
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set obj.http.Content-Type = "text/html; charset=utf-8";
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set obj.http.Retry-After = "5";
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synthetic {"
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<?xml version="1.0" encoding="utf-8"?>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
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"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
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<html>
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<head>
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<title>"} + obj.status + " " + obj.response + {"</title>
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</head>
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<body>
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<h1>Error "} + obj.status + " " + obj.response + {"</h1>
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<p>"} + obj.response + {"</p>
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<h3>Guru Meditation:</h3>
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<p>XID: "} + req.xid + {"</p>
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<hr>
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<p>Varnish cache server</p>
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</body>
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</html>
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"};
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return (deliver);
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}
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sub vcl_init {
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return (ok);
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}
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sub vcl_fini {
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return (ok);
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}
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