Mercurial > hg > nginx
annotate src/http/modules/ngx_http_headers_filter_module.c @ 577:4d9ea73a627a release-0.3.10
nginx-0.3.10-RELEASE import
*) Change: the "valid_referers" directive and the "$invalid_referer"
variable were moved to the new ngx_http_referer_module from the
ngx_http_rewrite_module.
*) Change: the "$apache_bytes_sent" variable name was changed to
"$body_bytes_sent".
*) Feature: the "$sent_http_..." variables.
*) Feature: the "if" directive supports the "=" and "!=" operations.
*) Feature: the "proxy_pass" directive supports the HTTPS protocol.
*) Feature: the "proxy_set_body" directive.
*) Feature: the "post_action" directive.
*) Feature: the ngx_http_empty_gif_module.
*) Feature: the "worker_cpu_affinity" directive for Linux.
*) Bugfix: the "rewrite" directive did not unescape URI part in
redirect, now it is unescaped except the %00-%25 and %7F-%FF
characters.
*) Bugfix: nginx could not be built by the icc 9.0 compiler.
*) Bugfix: if the SSI was enabled for zero size static file, then the
chunked response was encoded incorrectly.
author | Igor Sysoev <igor@sysoev.ru> |
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date | Tue, 15 Nov 2005 13:30:52 +0000 |
parents | 58475592100c |
children | 9262f520ce21 |
rev | line source |
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441
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
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4 */ |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 #include <ngx_http.h> |
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11 |
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12 typedef struct { |
573 | 13 time_t expires; |
14 ngx_str_t cache_control; | |
15 ngx_array_t *headers; | |
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16 } ngx_http_headers_conf_t; |
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17 |
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18 |
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19 #define NGX_HTTP_EXPIRES_UNSET -2147483647 |
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20 #define NGX_HTTP_EXPIRES_OFF -2147483646 |
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21 #define NGX_HTTP_EXPIRES_EPOCH -2147483645 |
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22 |
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23 |
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24 static ngx_int_t ngx_http_headers_filter_init(ngx_cycle_t *cycle); |
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25 static void *ngx_http_headers_create_conf(ngx_conf_t *cf); |
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26 static char *ngx_http_headers_merge_conf(ngx_conf_t *cf, |
573 | 27 void *parent, void *child); |
501 | 28 static char *ngx_http_headers_expires(ngx_conf_t *cf, ngx_command_t *cmd, |
29 void *conf); | |
573 | 30 static char *ngx_http_headers_add(ngx_conf_t *cf, ngx_command_t *cmd, |
31 void *conf); | |
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32 |
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33 |
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34 static ngx_command_t ngx_http_headers_filter_commands[] = { |
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35 |
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36 { ngx_string("expires"), |
573 | 37 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF |
38 |NGX_CONF_TAKE1, | |
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39 ngx_http_headers_expires, |
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40 NGX_HTTP_LOC_CONF_OFFSET, |
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41 0, |
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42 NULL}, |
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43 |
573 | 44 { ngx_string("add_header"), |
45 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF | |
46 |NGX_CONF_TAKE2, | |
47 ngx_http_headers_add, | |
48 NGX_HTTP_LOC_CONF_OFFSET, | |
49 0, | |
50 NULL}, | |
51 | |
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52 ngx_null_command |
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53 }; |
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54 |
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55 |
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56 static ngx_http_module_t ngx_http_headers_filter_module_ctx = { |
509 | 57 NULL, /* preconfiguration */ |
58 NULL, /* postconfiguration */ | |
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59 |
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60 NULL, /* create main configuration */ |
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61 NULL, /* init main configuration */ |
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62 |
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63 NULL, /* create server configuration */ |
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64 NULL, /* merge server configuration */ |
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65 |
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66 ngx_http_headers_create_conf, /* create location configuration */ |
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67 ngx_http_headers_merge_conf /* merge location configuration */ |
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68 }; |
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69 |
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70 |
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71 ngx_module_t ngx_http_headers_filter_module = { |
509 | 72 NGX_MODULE_V1, |
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73 &ngx_http_headers_filter_module_ctx, /* module context */ |
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74 ngx_http_headers_filter_commands, /* module directives */ |
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75 NGX_HTTP_MODULE, /* module type */ |
541 | 76 NULL, /* init master */ |
326
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77 ngx_http_headers_filter_init, /* init module */ |
541 | 78 NULL, /* init process */ |
79 NULL, /* init thread */ | |
80 NULL, /* exit thread */ | |
81 NULL, /* exit process */ | |
82 NULL, /* exit master */ | |
83 NGX_MODULE_V1_PADDING | |
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84 }; |
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85 |
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86 |
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87 static ngx_http_output_header_filter_pt ngx_http_next_header_filter; |
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88 |
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89 |
501 | 90 static ngx_int_t |
91 ngx_http_headers_filter(ngx_http_request_t *r) | |
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92 { |
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93 size_t len; |
509 | 94 ngx_uint_t i; |
573 | 95 ngx_table_elt_t *expires, *cc, **ccp, *h, *out; |
326
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96 ngx_http_headers_conf_t *conf; |
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97 |
543 | 98 if ((r->headers_out.status != NGX_HTTP_OK |
99 && r->headers_out.status != NGX_HTTP_NOT_MODIFIED) | |
553 | 100 || r->main != r) |
543 | 101 { |
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102 return ngx_http_next_header_filter(r); |
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103 } |
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104 |
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105 conf = ngx_http_get_module_loc_conf(r, ngx_http_headers_filter_module); |
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106 |
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107 if (conf->expires != NGX_HTTP_EXPIRES_OFF) { |
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108 |
509 | 109 expires = r->headers_out.expires; |
110 | |
501 | 111 if (expires == NULL) { |
509 | 112 |
113 expires = ngx_list_push(&r->headers_out.headers); | |
114 if (expires == NULL) { | |
115 return NGX_ERROR; | |
116 } | |
117 | |
118 r->headers_out.expires = expires; | |
119 | |
120 expires->hash = 1; | |
121 expires->key.len = sizeof("Expires") - 1; | |
122 expires->key.data = (u_char *) "Expires"; | |
326
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123 } |
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124 |
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125 len = sizeof("Mon, 28 Sep 1970 06:00:00 GMT"); |
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126 expires->value.len = len - 1; |
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127 |
537 | 128 ccp = r->headers_out.cache_control.elts; |
129 | |
130 if (ccp == NULL) { | |
509 | 131 |
537 | 132 if (ngx_array_init(&r->headers_out.cache_control, r->pool, |
573 | 133 1, sizeof(ngx_table_elt_t *)) |
134 != NGX_OK) | |
537 | 135 { |
136 return NGX_ERROR; | |
137 } | |
138 | |
139 ccp = ngx_array_push(&r->headers_out.cache_control); | |
140 if (ccp == NULL) { | |
141 return NGX_ERROR; | |
142 } | |
509 | 143 |
144 cc = ngx_list_push(&r->headers_out.headers); | |
145 if (cc == NULL) { | |
146 return NGX_ERROR; | |
147 } | |
148 | |
149 cc->hash = 1; | |
150 cc->key.len = sizeof("Cache-Control") - 1; | |
151 cc->key.data = (u_char *) "Cache-Control"; | |
152 | |
537 | 153 *ccp = cc; |
154 | |
509 | 155 } else { |
156 for (i = 1; i < r->headers_out.cache_control.nelts; i++) { | |
537 | 157 ccp[i]->hash = 0; |
509 | 158 } |
537 | 159 |
160 cc = ccp[0]; | |
509 | 161 } |
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162 |
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163 if (conf->expires == NGX_HTTP_EXPIRES_EPOCH) { |
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164 expires->value.data = (u_char *) "Thu, 01 Jan 1970 00:00:01 GMT"; |
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165 |
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166 cc->value.len = sizeof("no-cache") - 1; |
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167 cc->value.data = (u_char *) "no-cache"; |
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168 |
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169 } else { |
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170 expires->value.data = ngx_palloc(r->pool, len); |
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171 if (expires->value.data == NULL) { |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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172 return NGX_ERROR; |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
173 } |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
174 |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
175 if (conf->expires == 0) { |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
176 ngx_memcpy(expires->value.data, ngx_cached_http_time.data, |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
177 ngx_cached_http_time.len + 1); |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
178 |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
179 cc->value.len = sizeof("max-age=0") - 1; |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
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parents:
diff
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180 cc->value.data = (u_char *) "max-age=0"; |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
181 |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
182 } else { |
370
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
356
diff
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|
183 ngx_http_time(expires->value.data, ngx_time() + conf->expires); |
326
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
184 |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
185 if (conf->expires < 0) { |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
186 cc->value.len = sizeof("no-cache") - 1; |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
187 cc->value.data = (u_char *) "no-cache"; |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
188 |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
189 } else { |
477 | 190 cc->value.data = ngx_palloc(r->pool, sizeof("max-age=") |
191 + NGX_TIME_T_LEN + 1); | |
326
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
192 if (cc->value.data == NULL) { |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
193 return NGX_ERROR; |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
194 } |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
195 |
455 | 196 cc->value.len = ngx_sprintf(cc->value.data, "max-age=%T", |
197 conf->expires) | |
198 - cc->value.data; | |
199 | |
326
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
200 } |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
201 } |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
202 } |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
203 } |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
204 |
573 | 205 if (conf->cache_control.len) { |
206 | |
207 ccp = r->headers_out.cache_control.elts; | |
208 | |
209 if (ccp == NULL) { | |
210 | |
211 if (ngx_array_init(&r->headers_out.cache_control, r->pool, | |
212 1, sizeof(ngx_table_elt_t *)) | |
213 != NGX_OK) | |
214 { | |
215 return NGX_ERROR; | |
216 } | |
217 } | |
218 | |
219 ccp = ngx_array_push(&r->headers_out.cache_control); | |
220 if (ccp == NULL) { | |
221 return NGX_ERROR; | |
222 } | |
223 | |
224 cc = ngx_list_push(&r->headers_out.headers); | |
225 if (cc == NULL) { | |
226 return NGX_ERROR; | |
227 } | |
228 | |
229 cc->hash = 1; | |
230 cc->key.len = sizeof("Cache-Control") - 1; | |
231 cc->key.data = (u_char *) "Cache-Control"; | |
232 cc->value = conf->cache_control; | |
233 | |
234 *ccp = cc; | |
235 } | |
236 | |
237 if (conf->headers) { | |
238 h = conf->headers->elts; | |
239 for (i = 0; i < conf->headers->nelts; i++) { | |
240 out = ngx_list_push(&r->headers_out.headers); | |
241 if (out == NULL) { | |
242 return NGX_ERROR; | |
243 } | |
244 | |
245 *out = h[i]; | |
246 } | |
247 } | |
248 | |
326
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
249 return ngx_http_next_header_filter(r); |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
250 } |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
251 |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
252 |
501 | 253 static ngx_int_t |
254 ngx_http_headers_filter_init(ngx_cycle_t *cycle) | |
326
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
255 { |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
256 ngx_http_next_header_filter = ngx_http_top_header_filter; |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
257 ngx_http_top_header_filter = ngx_http_headers_filter; |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
258 |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
259 return NGX_OK; |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
260 } |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
261 |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
262 |
501 | 263 static void * |
264 ngx_http_headers_create_conf(ngx_conf_t *cf) | |
577 | 265 { |
326
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
266 ngx_http_headers_conf_t *conf; |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
267 |
573 | 268 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_headers_conf_t)); |
501 | 269 if (conf == NULL) { |
326
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
270 return NGX_CONF_ERROR; |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
271 } |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
272 |
573 | 273 /* |
274 * set by ngx_pcalloc(): | |
275 * | |
276 * conf->cache_control.len = 0; | |
277 * conf->cache_control.data = NULL; | |
278 * conf->headers = NULL; | |
279 */ | |
280 | |
326
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
281 conf->expires = NGX_HTTP_EXPIRES_UNSET; |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
282 |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
283 return conf; |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
284 } |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
285 |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
286 |
501 | 287 static char * |
288 ngx_http_headers_merge_conf(ngx_conf_t *cf, void *parent, void *child) | |
326
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
289 { |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
290 ngx_http_headers_conf_t *prev = parent; |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
291 ngx_http_headers_conf_t *conf = child; |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
292 |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
293 if (conf->expires == NGX_HTTP_EXPIRES_UNSET) { |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
294 conf->expires = (prev->expires == NGX_HTTP_EXPIRES_UNSET) ? |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
295 NGX_HTTP_EXPIRES_OFF : prev->expires; |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
296 } |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
297 |
573 | 298 if (conf->cache_control.data == NULL) { |
299 conf->cache_control = prev->cache_control; | |
300 } | |
301 | |
302 if (conf->headers == NULL) { | |
303 conf->headers = prev->headers; | |
304 } | |
305 | |
326
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
306 return NGX_CONF_OK; |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
307 } |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
308 |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
309 |
501 | 310 static char * |
311 ngx_http_headers_expires(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
326
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
312 { |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
313 ngx_http_headers_conf_t *hcf = conf; |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
314 |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
315 ngx_uint_t minus; |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
316 ngx_str_t *value; |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
317 |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
318 if (hcf->expires != NGX_HTTP_EXPIRES_UNSET) { |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
319 return "is duplicate"; |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
320 } |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
321 |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
322 value = cf->args->elts; |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
323 |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
324 if (ngx_strcmp(value[1].data, "epoch") == 0) { |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
325 hcf->expires = NGX_HTTP_EXPIRES_EPOCH; |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
326 return NGX_CONF_OK; |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
327 } |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
328 |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
329 if (ngx_strcmp(value[1].data, "off") == 0) { |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
330 hcf->expires = NGX_HTTP_EXPIRES_OFF; |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
331 return NGX_CONF_OK; |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
332 } |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
333 |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
334 if (value[1].data[0] == '+') { |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
335 value[1].data++; |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
336 value[1].len--; |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
337 minus = 0; |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
338 |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
339 } else if (value[1].data[0] == '-') { |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
340 value[1].data++; |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
341 value[1].len--; |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
342 minus = 1; |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
343 |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
344 } else { |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
345 minus = 0; |
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346 } |
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347 |
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348 hcf->expires = ngx_parse_time(&value[1], 1); |
501 | 349 |
326
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350 if (hcf->expires == NGX_ERROR) { |
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351 return "invalid value"; |
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352 } |
577 | 353 |
326
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354 if (hcf->expires == NGX_PARSE_LARGE_TIME) { |
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355 return "value must be less than 68 years"; |
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356 } |
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357 |
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358 if (minus) { |
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359 hcf->expires = - hcf->expires; |
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360 } |
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361 |
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362 return NGX_CONF_OK; |
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363 } |
573 | 364 |
365 | |
366 static char * | |
367 ngx_http_headers_add(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
368 { | |
369 ngx_http_headers_conf_t *hcf = conf; | |
370 | |
371 ngx_str_t *value; | |
372 ngx_table_elt_t *h; | |
373 | |
374 value = cf->args->elts; | |
375 | |
376 if (ngx_strcasecmp(value[1].data, "cache-control") == 0) { | |
377 hcf->cache_control = value[2]; | |
378 return NGX_CONF_OK; | |
379 } | |
380 | |
381 if (hcf->headers == NULL) { | |
382 hcf->headers = ngx_array_create(cf->pool, 1, sizeof(ngx_table_elt_t)); | |
383 if (hcf->headers == NULL) { | |
384 return NGX_CONF_ERROR; | |
385 } | |
386 } | |
387 | |
388 h = ngx_array_push(hcf->headers); | |
389 if (h == NULL) { | |
390 return NGX_CONF_ERROR; | |
391 } | |
392 | |
393 h->hash = 1; | |
394 h->key = value[1]; | |
395 h->value = value[2]; | |
396 | |
397 return NGX_CONF_OK; | |
398 } |