Mercurial > hg > nginx
annotate src/http/modules/ngx_http_headers_filter_module.c @ 625:fbed40ce7cb4 release-0.3.34
nginx-0.3.34-RELEASE import
*) Feature: the "add_header" directive supports the variables.
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Tue, 21 Mar 2006 08:20:41 +0000 |
| parents | 9262f520ce21 |
| children | 6d5c1535bb9d |
| rev | line source |
|---|---|
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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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12 typedef struct { |
| 625 | 13 ngx_table_elt_t value; |
| 14 ngx_array_t *lengths; | |
| 15 ngx_array_t *values; | |
| 16 } ngx_http_header_val_t; | |
| 17 | |
| 18 | |
| 19 typedef struct { | |
| 20 time_t expires; | |
| 21 ngx_str_t cache_control; | |
| 22 ngx_array_t *headers; | |
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23 } ngx_http_headers_conf_t; |
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24 |
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26 #define NGX_HTTP_EXPIRES_UNSET -2147483647 |
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27 #define NGX_HTTP_EXPIRES_OFF -2147483646 |
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28 #define NGX_HTTP_EXPIRES_EPOCH -2147483645 |
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29 |
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31 static ngx_int_t ngx_http_headers_filter_init(ngx_cycle_t *cycle); |
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32 static void *ngx_http_headers_create_conf(ngx_conf_t *cf); |
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33 static char *ngx_http_headers_merge_conf(ngx_conf_t *cf, |
| 573 | 34 void *parent, void *child); |
| 501 | 35 static char *ngx_http_headers_expires(ngx_conf_t *cf, ngx_command_t *cmd, |
| 36 void *conf); | |
| 573 | 37 static char *ngx_http_headers_add(ngx_conf_t *cf, ngx_command_t *cmd, |
| 38 void *conf); | |
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39 |
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40 |
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41 static ngx_command_t ngx_http_headers_filter_commands[] = { |
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42 |
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43 { ngx_string("expires"), |
| 573 | 44 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF |
| 45 |NGX_CONF_TAKE1, | |
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46 ngx_http_headers_expires, |
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47 NGX_HTTP_LOC_CONF_OFFSET, |
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48 0, |
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49 NULL}, |
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50 |
| 573 | 51 { ngx_string("add_header"), |
| 52 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF | |
| 53 |NGX_CONF_TAKE2, | |
| 54 ngx_http_headers_add, | |
| 55 NGX_HTTP_LOC_CONF_OFFSET, | |
| 56 0, | |
| 57 NULL}, | |
| 58 | |
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59 ngx_null_command |
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60 }; |
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61 |
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62 |
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63 static ngx_http_module_t ngx_http_headers_filter_module_ctx = { |
| 509 | 64 NULL, /* preconfiguration */ |
| 65 NULL, /* postconfiguration */ | |
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66 |
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67 NULL, /* create main configuration */ |
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68 NULL, /* init main configuration */ |
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69 |
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70 NULL, /* create server configuration */ |
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71 NULL, /* merge server configuration */ |
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72 |
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73 ngx_http_headers_create_conf, /* create location configuration */ |
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74 ngx_http_headers_merge_conf /* merge location configuration */ |
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75 }; |
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76 |
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77 |
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78 ngx_module_t ngx_http_headers_filter_module = { |
| 509 | 79 NGX_MODULE_V1, |
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80 &ngx_http_headers_filter_module_ctx, /* module context */ |
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81 ngx_http_headers_filter_commands, /* module directives */ |
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82 NGX_HTTP_MODULE, /* module type */ |
| 541 | 83 NULL, /* init master */ |
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84 ngx_http_headers_filter_init, /* init module */ |
| 541 | 85 NULL, /* init process */ |
| 86 NULL, /* init thread */ | |
| 87 NULL, /* exit thread */ | |
| 88 NULL, /* exit process */ | |
| 89 NULL, /* exit master */ | |
| 90 NGX_MODULE_V1_PADDING | |
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91 }; |
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92 |
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93 |
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94 static ngx_http_output_header_filter_pt ngx_http_next_header_filter; |
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95 |
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96 |
| 501 | 97 static ngx_int_t |
| 98 ngx_http_headers_filter(ngx_http_request_t *r) | |
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99 { |
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100 size_t len; |
| 509 | 101 ngx_uint_t i; |
| 625 | 102 ngx_table_elt_t *expires, *cc, **ccp, *out; |
| 103 ngx_http_header_val_t *h; | |
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104 ngx_http_headers_conf_t *conf; |
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105 |
| 543 | 106 if ((r->headers_out.status != NGX_HTTP_OK |
| 107 && r->headers_out.status != NGX_HTTP_NOT_MODIFIED) | |
| 597 | 108 || r != r->main) |
| 543 | 109 { |
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110 return ngx_http_next_header_filter(r); |
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111 } |
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112 |
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113 conf = ngx_http_get_module_loc_conf(r, ngx_http_headers_filter_module); |
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114 |
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115 if (conf->expires != NGX_HTTP_EXPIRES_OFF) { |
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116 |
| 509 | 117 expires = r->headers_out.expires; |
| 118 | |
| 501 | 119 if (expires == NULL) { |
| 509 | 120 |
| 121 expires = ngx_list_push(&r->headers_out.headers); | |
| 122 if (expires == NULL) { | |
| 123 return NGX_ERROR; | |
| 124 } | |
| 125 | |
| 126 r->headers_out.expires = expires; | |
| 127 | |
| 128 expires->hash = 1; | |
| 129 expires->key.len = sizeof("Expires") - 1; | |
| 130 expires->key.data = (u_char *) "Expires"; | |
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131 } |
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132 |
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133 len = sizeof("Mon, 28 Sep 1970 06:00:00 GMT"); |
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134 expires->value.len = len - 1; |
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135 |
| 537 | 136 ccp = r->headers_out.cache_control.elts; |
| 137 | |
| 138 if (ccp == NULL) { | |
| 509 | 139 |
| 537 | 140 if (ngx_array_init(&r->headers_out.cache_control, r->pool, |
| 573 | 141 1, sizeof(ngx_table_elt_t *)) |
| 142 != NGX_OK) | |
| 537 | 143 { |
| 144 return NGX_ERROR; | |
| 145 } | |
| 146 | |
| 147 ccp = ngx_array_push(&r->headers_out.cache_control); | |
| 148 if (ccp == NULL) { | |
| 149 return NGX_ERROR; | |
| 150 } | |
| 509 | 151 |
| 152 cc = ngx_list_push(&r->headers_out.headers); | |
| 153 if (cc == NULL) { | |
| 154 return NGX_ERROR; | |
| 155 } | |
| 156 | |
| 157 cc->hash = 1; | |
| 158 cc->key.len = sizeof("Cache-Control") - 1; | |
| 159 cc->key.data = (u_char *) "Cache-Control"; | |
| 160 | |
| 537 | 161 *ccp = cc; |
| 162 | |
| 509 | 163 } else { |
| 164 for (i = 1; i < r->headers_out.cache_control.nelts; i++) { | |
| 537 | 165 ccp[i]->hash = 0; |
| 509 | 166 } |
| 537 | 167 |
| 168 cc = ccp[0]; | |
| 509 | 169 } |
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170 |
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171 if (conf->expires == NGX_HTTP_EXPIRES_EPOCH) { |
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172 expires->value.data = (u_char *) "Thu, 01 Jan 1970 00:00:01 GMT"; |
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173 |
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174 cc->value.len = sizeof("no-cache") - 1; |
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175 cc->value.data = (u_char *) "no-cache"; |
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176 |
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diff
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|
177 } else { |
|
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parents:
diff
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|
178 expires->value.data = ngx_palloc(r->pool, len); |
|
8733703a37f3
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parents:
diff
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|
179 if (expires->value.data == NULL) { |
|
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parents:
diff
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180 return NGX_ERROR; |
|
8733703a37f3
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parents:
diff
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|
181 } |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
182 |
|
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
183 if (conf->expires == 0) { |
|
8733703a37f3
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
184 ngx_memcpy(expires->value.data, ngx_cached_http_time.data, |
|
8733703a37f3
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
185 ngx_cached_http_time.len + 1); |
|
8733703a37f3
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
186 |
|
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.len = sizeof("max-age=0") - 1; |
|
8733703a37f3
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parents:
diff
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|
188 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
|
189 |
|
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
190 } else { |
|
370
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
356
diff
changeset
|
191 ngx_http_time(expires->value.data, ngx_time() + conf->expires); |
|
326
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nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
192 |
|
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
193 if (conf->expires < 0) { |
|
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
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parents:
diff
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|
194 cc->value.len = sizeof("no-cache") - 1; |
|
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
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parents:
diff
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|
195 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
|
196 |
|
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
197 } else { |
| 477 | 198 cc->value.data = ngx_palloc(r->pool, sizeof("max-age=") |
| 199 + NGX_TIME_T_LEN + 1); | |
|
326
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parents:
diff
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|
200 if (cc->value.data == NULL) { |
|
8733703a37f3
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parents:
diff
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|
201 return NGX_ERROR; |
|
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 |
| 455 | 204 cc->value.len = ngx_sprintf(cc->value.data, "max-age=%T", |
| 205 conf->expires) | |
| 206 - cc->value.data; | |
| 207 | |
|
326
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
208 } |
|
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
209 } |
|
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
210 } |
|
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
211 } |
|
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
212 |
| 573 | 213 if (conf->cache_control.len) { |
| 214 | |
| 215 ccp = r->headers_out.cache_control.elts; | |
| 216 | |
| 217 if (ccp == NULL) { | |
| 218 | |
| 219 if (ngx_array_init(&r->headers_out.cache_control, r->pool, | |
| 220 1, sizeof(ngx_table_elt_t *)) | |
| 221 != NGX_OK) | |
| 222 { | |
| 223 return NGX_ERROR; | |
| 224 } | |
| 225 } | |
| 226 | |
| 227 ccp = ngx_array_push(&r->headers_out.cache_control); | |
| 228 if (ccp == NULL) { | |
| 229 return NGX_ERROR; | |
| 230 } | |
| 231 | |
| 232 cc = ngx_list_push(&r->headers_out.headers); | |
| 233 if (cc == NULL) { | |
| 234 return NGX_ERROR; | |
| 235 } | |
| 236 | |
| 237 cc->hash = 1; | |
| 238 cc->key.len = sizeof("Cache-Control") - 1; | |
| 239 cc->key.data = (u_char *) "Cache-Control"; | |
| 240 cc->value = conf->cache_control; | |
| 241 | |
| 242 *ccp = cc; | |
| 243 } | |
| 244 | |
| 245 if (conf->headers) { | |
| 246 h = conf->headers->elts; | |
| 247 for (i = 0; i < conf->headers->nelts; i++) { | |
| 248 out = ngx_list_push(&r->headers_out.headers); | |
| 249 if (out == NULL) { | |
| 250 return NGX_ERROR; | |
| 251 } | |
| 252 | |
| 625 | 253 out->hash = h[i].value.hash; |
| 254 out->key = h[i].value.key; | |
| 255 | |
| 256 if (h[i].lengths == NULL) { | |
| 257 out->value = h[i].value.value; | |
| 258 continue; | |
| 259 } | |
| 260 | |
| 261 if (ngx_http_script_run(r, &out->value, h[i].lengths->elts, 0, | |
| 262 h[i].values->elts) | |
| 263 == NULL) | |
| 264 { | |
| 265 return NGX_ERROR; | |
| 266 } | |
| 573 | 267 } |
| 268 } | |
| 269 | |
|
326
8733703a37f3
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
270 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
|
271 } |
|
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
272 |
|
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
273 |
| 501 | 274 static ngx_int_t |
| 275 ngx_http_headers_filter_init(ngx_cycle_t *cycle) | |
|
326
8733703a37f3
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
276 { |
|
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
277 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
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|
278 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
|
279 |
|
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
280 return NGX_OK; |
|
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
281 } |
|
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 |
| 501 | 284 static void * |
| 285 ngx_http_headers_create_conf(ngx_conf_t *cf) | |
| 577 | 286 { |
|
326
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
287 ngx_http_headers_conf_t *conf; |
|
8733703a37f3
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
288 |
| 573 | 289 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_headers_conf_t)); |
| 501 | 290 if (conf == NULL) { |
|
326
8733703a37f3
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
291 return NGX_CONF_ERROR; |
|
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 |
| 573 | 294 /* |
| 295 * set by ngx_pcalloc(): | |
| 296 * | |
| 297 * conf->cache_control.len = 0; | |
| 298 * conf->cache_control.data = NULL; | |
| 299 * conf->headers = NULL; | |
| 300 */ | |
| 301 | |
|
326
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
302 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
|
303 |
|
8733703a37f3
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
304 return conf; |
|
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
305 } |
|
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
306 |
|
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
307 |
| 501 | 308 static char * |
| 309 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
|
310 { |
|
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
311 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
|
312 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
|
313 |
|
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
314 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
|
315 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
|
316 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
|
317 } |
|
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
318 |
| 573 | 319 if (conf->cache_control.data == NULL) { |
| 320 conf->cache_control = prev->cache_control; | |
| 321 } | |
| 322 | |
| 323 if (conf->headers == NULL) { | |
| 324 conf->headers = prev->headers; | |
| 325 } | |
| 326 | |
|
326
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
327 return NGX_CONF_OK; |
|
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 |
|
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
330 |
| 501 | 331 static char * |
| 332 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
|
333 { |
|
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
334 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
|
335 |
|
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
336 ngx_uint_t minus; |
|
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
337 ngx_str_t *value; |
|
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 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
|
340 return "is duplicate"; |
|
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
341 } |
|
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
342 |
|
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
343 value = cf->args->elts; |
|
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
344 |
|
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
345 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
|
346 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
|
347 return NGX_CONF_OK; |
|
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
348 } |
|
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
349 |
|
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
350 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
|
351 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
|
352 return NGX_CONF_OK; |
|
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
353 } |
|
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
354 |
|
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
355 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
|
356 value[1].data++; |
|
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
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357 value[1].len--; |
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358 minus = 0; |
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359 |
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360 } else if (value[1].data[0] == '-') { |
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361 value[1].data++; |
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362 value[1].len--; |
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363 minus = 1; |
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364 |
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365 } else { |
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366 minus = 0; |
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367 } |
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368 |
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369 hcf->expires = ngx_parse_time(&value[1], 1); |
| 501 | 370 |
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326
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371 if (hcf->expires == NGX_ERROR) { |
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372 return "invalid value"; |
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373 } |
| 577 | 374 |
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326
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375 if (hcf->expires == NGX_PARSE_LARGE_TIME) { |
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376 return "value must be less than 68 years"; |
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377 } |
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378 |
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379 if (minus) { |
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380 hcf->expires = - hcf->expires; |
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381 } |
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382 |
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383 return NGX_CONF_OK; |
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384 } |
| 573 | 385 |
| 386 | |
| 387 static char * | |
| 388 ngx_http_headers_add(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 389 { | |
| 390 ngx_http_headers_conf_t *hcf = conf; | |
| 391 | |
| 625 | 392 ngx_int_t n; |
| 393 ngx_str_t *value; | |
| 394 ngx_http_header_val_t *h; | |
| 395 ngx_http_script_compile_t sc; | |
| 573 | 396 |
| 397 value = cf->args->elts; | |
| 398 | |
| 399 if (ngx_strcasecmp(value[1].data, "cache-control") == 0) { | |
| 400 hcf->cache_control = value[2]; | |
| 401 return NGX_CONF_OK; | |
| 402 } | |
| 403 | |
| 404 if (hcf->headers == NULL) { | |
| 625 | 405 hcf->headers = ngx_array_create(cf->pool, 1, |
| 406 sizeof(ngx_http_header_val_t)); | |
| 573 | 407 if (hcf->headers == NULL) { |
| 408 return NGX_CONF_ERROR; | |
| 409 } | |
| 410 } | |
| 411 | |
| 412 h = ngx_array_push(hcf->headers); | |
| 413 if (h == NULL) { | |
| 414 return NGX_CONF_ERROR; | |
| 415 } | |
| 416 | |
| 625 | 417 h->value.hash = 1; |
| 418 h->value.key = value[1]; | |
| 419 h->value.value = value[2]; | |
| 420 h->lengths = NULL; | |
| 421 h->values = NULL; | |
| 422 | |
| 423 n = ngx_http_script_variables_count(&value[2]); | |
| 424 | |
| 425 if (n == 0) { | |
| 426 return NGX_CONF_OK; | |
| 427 } | |
| 428 | |
| 429 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); | |
| 430 | |
| 431 sc.cf = cf; | |
| 432 sc.source = &value[2]; | |
| 433 sc.lengths = &h->lengths; | |
| 434 sc.values = &h->values; | |
| 435 sc.variables = n; | |
| 436 sc.complete_lengths = 1; | |
| 437 sc.complete_values = 1; | |
| 438 | |
| 439 if (ngx_http_script_compile(&sc) != NGX_OK) { | |
| 440 return NGX_CONF_ERROR; | |
| 441 } | |
| 573 | 442 |
| 443 return NGX_CONF_OK; | |
| 444 } |