Mercurial > hg > nginx-quic
annotate src/http/modules/ngx_http_headers_filter_module.c @ 4385:70ba81827472
Cache locks initial implementation.
New directives: proxy_cache_lock on/off, proxy_cache_lock_timeout. With
proxy_cache_lock set to on, only one request will be allowed to go to
upstream for a particular cache item. Others will wait for a response
to appear in cache (or cache lock released) up to proxy_cache_lock_timeout.
Waiting requests will recheck if they have cached response ready (or are
allowed to run) every 500ms.
Note: we intentionally don't intercept NGX_DECLINED possibly returned by
ngx_http_file_cache_read(). This needs more work (possibly safe, but needs
further investigation). Anyway, it's exceptional situation.
Note: probably there should be a way to disable caching of responses
if there is already one request fetching resource to cache (without waiting
at all). Two possible ways include another cache lock option ("no_cache")
or using proxy_no_cache with some supplied variable.
Note: probably there should be a way to lock updating requests as well. For
now "proxy_cache_use_stale updating" is available.
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Mon, 26 Dec 2011 11:15:23 +0000 |
parents | 4a07bad0e2c5 |
children | d620f497c50f |
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 |
441
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4 */ |
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5 |
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6 |
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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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10 |
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11 |
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12 typedef struct ngx_http_header_val_s ngx_http_header_val_t; |
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13 |
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14 typedef ngx_int_t (*ngx_http_set_header_pt)(ngx_http_request_t *r, |
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15 ngx_http_header_val_t *hv, ngx_str_t *value); |
625 | 16 |
17 | |
18 typedef struct { | |
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19 ngx_str_t name; |
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20 ngx_uint_t offset; |
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21 ngx_http_set_header_pt handler; |
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22 } ngx_http_set_header_t; |
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23 |
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24 |
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25 struct ngx_http_header_val_s { |
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26 ngx_http_complex_value_t value; |
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27 ngx_uint_t hash; |
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28 ngx_str_t key; |
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29 ngx_http_set_header_pt handler; |
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30 ngx_uint_t offset; |
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31 }; |
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32 |
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33 |
2013 | 34 #define NGX_HTTP_EXPIRES_OFF 0 |
35 #define NGX_HTTP_EXPIRES_EPOCH 1 | |
36 #define NGX_HTTP_EXPIRES_MAX 2 | |
37 #define NGX_HTTP_EXPIRES_ACCESS 3 | |
38 #define NGX_HTTP_EXPIRES_MODIFIED 4 | |
2163 | 39 #define NGX_HTTP_EXPIRES_DAILY 5 |
2013 | 40 |
41 | |
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42 typedef struct { |
2013 | 43 ngx_uint_t expires; |
44 time_t expires_time; | |
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45 ngx_array_t *headers; |
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46 } ngx_http_headers_conf_t; |
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47 |
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48 |
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49 static ngx_int_t ngx_http_set_expires(ngx_http_request_t *r, |
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50 ngx_http_headers_conf_t *conf); |
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51 static ngx_int_t ngx_http_add_cache_control(ngx_http_request_t *r, |
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52 ngx_http_header_val_t *hv, ngx_str_t *value); |
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53 static ngx_int_t ngx_http_set_last_modified(ngx_http_request_t *r, |
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54 ngx_http_header_val_t *hv, ngx_str_t *value); |
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55 |
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56 static void *ngx_http_headers_create_conf(ngx_conf_t *cf); |
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57 static char *ngx_http_headers_merge_conf(ngx_conf_t *cf, |
573 | 58 void *parent, void *child); |
681 | 59 static ngx_int_t ngx_http_headers_filter_init(ngx_conf_t *cf); |
501 | 60 static char *ngx_http_headers_expires(ngx_conf_t *cf, ngx_command_t *cmd, |
61 void *conf); | |
573 | 62 static char *ngx_http_headers_add(ngx_conf_t *cf, ngx_command_t *cmd, |
63 void *conf); | |
326
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64 |
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65 |
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66 static ngx_http_set_header_t ngx_http_set_headers[] = { |
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67 |
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68 { ngx_string("Cache-Control"), 0, ngx_http_add_cache_control }, |
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69 |
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70 { ngx_string("Last-Modified"), |
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71 offsetof(ngx_http_headers_out_t, last_modified), |
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72 ngx_http_set_last_modified }, |
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73 |
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74 { ngx_null_string, 0, NULL } |
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75 }; |
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76 |
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77 |
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78 static ngx_command_t ngx_http_headers_filter_commands[] = { |
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79 |
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80 { ngx_string("expires"), |
573 | 81 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF |
2013 | 82 |NGX_CONF_TAKE12, |
326
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83 ngx_http_headers_expires, |
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84 NGX_HTTP_LOC_CONF_OFFSET, |
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85 0, |
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86 NULL}, |
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87 |
573 | 88 { ngx_string("add_header"), |
89 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF | |
90 |NGX_CONF_TAKE2, | |
91 ngx_http_headers_add, | |
92 NGX_HTTP_LOC_CONF_OFFSET, | |
93 0, | |
94 NULL}, | |
95 | |
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96 ngx_null_command |
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97 }; |
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98 |
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99 |
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100 static ngx_http_module_t ngx_http_headers_filter_module_ctx = { |
509 | 101 NULL, /* preconfiguration */ |
681 | 102 ngx_http_headers_filter_init, /* postconfiguration */ |
326
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103 |
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104 NULL, /* create main configuration */ |
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105 NULL, /* init main configuration */ |
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106 |
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107 NULL, /* create server configuration */ |
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108 NULL, /* merge server configuration */ |
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109 |
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110 ngx_http_headers_create_conf, /* create location configuration */ |
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111 ngx_http_headers_merge_conf /* merge location configuration */ |
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112 }; |
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113 |
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114 |
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115 ngx_module_t ngx_http_headers_filter_module = { |
509 | 116 NGX_MODULE_V1, |
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117 &ngx_http_headers_filter_module_ctx, /* module context */ |
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118 ngx_http_headers_filter_commands, /* module directives */ |
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119 NGX_HTTP_MODULE, /* module type */ |
541 | 120 NULL, /* init master */ |
681 | 121 NULL, /* init module */ |
541 | 122 NULL, /* init process */ |
123 NULL, /* init thread */ | |
124 NULL, /* exit thread */ | |
125 NULL, /* exit process */ | |
126 NULL, /* exit master */ | |
127 NGX_MODULE_V1_PADDING | |
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128 }; |
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129 |
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130 |
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131 static ngx_http_output_header_filter_pt ngx_http_next_header_filter; |
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132 |
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133 |
501 | 134 static ngx_int_t |
135 ngx_http_headers_filter(ngx_http_request_t *r) | |
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136 { |
1364 | 137 ngx_str_t value; |
509 | 138 ngx_uint_t i; |
625 | 139 ngx_http_header_val_t *h; |
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140 ngx_http_headers_conf_t *conf; |
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141 |
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142 conf = ngx_http_get_module_loc_conf(r, ngx_http_headers_filter_module); |
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143 |
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144 if ((conf->expires == NGX_HTTP_EXPIRES_OFF && conf->headers == NULL) |
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145 || r != r->main |
663 | 146 || (r->headers_out.status != NGX_HTTP_OK |
147 && r->headers_out.status != NGX_HTTP_NO_CONTENT | |
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148 && r->headers_out.status != NGX_HTTP_PARTIAL_CONTENT |
663 | 149 && r->headers_out.status != NGX_HTTP_MOVED_PERMANENTLY |
150 && r->headers_out.status != NGX_HTTP_MOVED_TEMPORARILY | |
151 && r->headers_out.status != NGX_HTTP_NOT_MODIFIED)) | |
543 | 152 { |
326
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153 return ngx_http_next_header_filter(r); |
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154 } |
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155 |
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156 if (conf->expires != NGX_HTTP_EXPIRES_OFF) { |
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157 if (ngx_http_set_expires(r, conf) != NGX_OK) { |
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158 return NGX_ERROR; |
326
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159 } |
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160 } |
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161 |
573 | 162 if (conf->headers) { |
163 h = conf->headers->elts; | |
164 for (i = 0; i < conf->headers->nelts; i++) { | |
625 | 165 |
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166 if (ngx_http_complex_value(r, &h[i].value, &value) != NGX_OK) { |
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167 return NGX_ERROR; |
625 | 168 } |
169 | |
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170 if (h[i].handler(r, &h[i], &value) != NGX_OK) { |
625 | 171 return NGX_ERROR; |
172 } | |
573 | 173 } |
174 } | |
175 | |
326
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176 return ngx_http_next_header_filter(r); |
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177 } |
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178 |
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179 |
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180 static ngx_int_t |
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181 ngx_http_set_expires(ngx_http_request_t *r, ngx_http_headers_conf_t *conf) |
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182 { |
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183 size_t len; |
2163 | 184 time_t now, expires_time, max_age; |
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185 ngx_uint_t i; |
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186 ngx_table_elt_t *expires, *cc, **ccp; |
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187 |
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188 expires = r->headers_out.expires; |
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189 |
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190 if (expires == NULL) { |
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191 |
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192 expires = ngx_list_push(&r->headers_out.headers); |
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193 if (expires == NULL) { |
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194 return NGX_ERROR; |
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195 } |
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196 |
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197 r->headers_out.expires = expires; |
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198 |
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199 expires->hash = 1; |
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200 ngx_str_set(&expires->key, "Expires"); |
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201 } |
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202 |
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203 len = sizeof("Mon, 28 Sep 1970 06:00:00 GMT"); |
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204 expires->value.len = len - 1; |
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205 |
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206 ccp = r->headers_out.cache_control.elts; |
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207 |
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208 if (ccp == NULL) { |
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209 |
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210 if (ngx_array_init(&r->headers_out.cache_control, r->pool, |
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211 1, sizeof(ngx_table_elt_t *)) |
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212 != NGX_OK) |
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213 { |
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214 return NGX_ERROR; |
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215 } |
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216 |
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217 ccp = ngx_array_push(&r->headers_out.cache_control); |
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218 if (ccp == NULL) { |
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219 return NGX_ERROR; |
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220 } |
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221 |
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222 cc = ngx_list_push(&r->headers_out.headers); |
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223 if (cc == NULL) { |
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224 return NGX_ERROR; |
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225 } |
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226 |
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227 cc->hash = 1; |
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228 ngx_str_set(&cc->key, "Cache-Control"); |
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229 *ccp = cc; |
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230 |
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231 } else { |
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232 for (i = 1; i < r->headers_out.cache_control.nelts; i++) { |
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233 ccp[i]->hash = 0; |
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234 } |
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235 |
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236 cc = ccp[0]; |
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237 } |
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238 |
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239 if (conf->expires == NGX_HTTP_EXPIRES_EPOCH) { |
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240 expires->value.data = (u_char *) "Thu, 01 Jan 1970 00:00:01 GMT"; |
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241 ngx_str_set(&cc->value, "no-cache"); |
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242 return NGX_OK; |
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243 } |
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244 |
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245 if (conf->expires == NGX_HTTP_EXPIRES_MAX) { |
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246 expires->value.data = (u_char *) "Thu, 31 Dec 2037 23:55:55 GMT"; |
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247 /* 10 years */ |
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248 ngx_str_set(&cc->value, "max-age=315360000"); |
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249 return NGX_OK; |
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250 } |
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251 |
2049 | 252 expires->value.data = ngx_pnalloc(r->pool, len); |
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253 if (expires->value.data == NULL) { |
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254 return NGX_ERROR; |
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255 } |
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256 |
4216 | 257 if (conf->expires_time == 0 && conf->expires != NGX_HTTP_EXPIRES_DAILY) { |
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258 ngx_memcpy(expires->value.data, ngx_cached_http_time.data, |
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259 ngx_cached_http_time.len + 1); |
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260 ngx_str_set(&cc->value, "max-age=0"); |
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261 return NGX_OK; |
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262 } |
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263 |
2163 | 264 now = ngx_time(); |
265 | |
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266 if (conf->expires == NGX_HTTP_EXPIRES_DAILY) { |
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267 expires_time = ngx_next_time(conf->expires_time); |
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268 max_age = expires_time - now; |
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269 |
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270 } else if (conf->expires == NGX_HTTP_EXPIRES_ACCESS |
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271 || r->headers_out.last_modified_time == -1) |
2013 | 272 { |
2163 | 273 expires_time = now + conf->expires_time; |
274 max_age = conf->expires_time; | |
275 | |
2013 | 276 } else { |
2163 | 277 expires_time = r->headers_out.last_modified_time + conf->expires_time; |
278 max_age = expires_time - now; | |
2013 | 279 } |
280 | |
2163 | 281 ngx_http_time(expires->value.data, expires_time); |
2013 | 282 |
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283 if (conf->expires_time < 0 || max_age < 0) { |
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284 ngx_str_set(&cc->value, "no-cache"); |
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285 return NGX_OK; |
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286 } |
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287 |
2049 | 288 cc->value.data = ngx_pnalloc(r->pool, |
289 sizeof("max-age=") + NGX_TIME_T_LEN + 1); | |
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290 if (cc->value.data == NULL) { |
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291 return NGX_ERROR; |
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292 } |
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293 |
2163 | 294 cc->value.len = ngx_sprintf(cc->value.data, "max-age=%T", max_age) |
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295 - cc->value.data; |
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296 |
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297 return NGX_OK; |
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298 } |
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299 |
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300 |
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301 static ngx_int_t |
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302 ngx_http_add_header(ngx_http_request_t *r, ngx_http_header_val_t *hv, |
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303 ngx_str_t *value) |
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304 { |
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305 ngx_table_elt_t *h; |
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306 |
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307 if (value->len) { |
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308 h = ngx_list_push(&r->headers_out.headers); |
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309 if (h == NULL) { |
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310 return NGX_ERROR; |
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311 } |
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312 |
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313 h->hash = hv->hash; |
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314 h->key = hv->key; |
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315 h->value = *value; |
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316 } |
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317 |
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318 return NGX_OK; |
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319 } |
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320 |
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321 |
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322 static ngx_int_t |
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323 ngx_http_add_cache_control(ngx_http_request_t *r, ngx_http_header_val_t *hv, |
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324 ngx_str_t *value) |
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325 { |
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326 ngx_table_elt_t *cc, **ccp; |
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327 |
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328 ccp = r->headers_out.cache_control.elts; |
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329 |
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330 if (ccp == NULL) { |
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331 |
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332 if (ngx_array_init(&r->headers_out.cache_control, r->pool, |
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333 1, sizeof(ngx_table_elt_t *)) |
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334 != NGX_OK) |
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335 { |
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336 return NGX_ERROR; |
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337 } |
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338 } |
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339 |
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340 ccp = ngx_array_push(&r->headers_out.cache_control); |
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341 if (ccp == NULL) { |
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342 return NGX_ERROR; |
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343 } |
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344 |
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345 cc = ngx_list_push(&r->headers_out.headers); |
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346 if (cc == NULL) { |
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347 return NGX_ERROR; |
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348 } |
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349 |
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350 cc->hash = 1; |
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351 ngx_str_set(&cc->key, "Cache-Control"); |
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352 cc->value = *value; |
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353 |
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354 *ccp = cc; |
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355 |
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356 return NGX_OK; |
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357 } |
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358 |
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359 |
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360 static ngx_int_t |
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361 ngx_http_set_last_modified(ngx_http_request_t *r, ngx_http_header_val_t *hv, |
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362 ngx_str_t *value) |
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363 { |
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364 ngx_table_elt_t *h, **old; |
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365 |
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366 if (hv->offset) { |
1364 | 367 old = (ngx_table_elt_t **) ((char *) &r->headers_out + hv->offset); |
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368 |
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369 } else { |
1364 | 370 old = NULL; |
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371 } |
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372 |
1655 | 373 r->headers_out.last_modified_time = -1; |
374 | |
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375 if (old == NULL || *old == NULL) { |
1655 | 376 |
377 if (value->len == 0) { | |
378 return NGX_OK; | |
379 } | |
380 | |
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381 h = ngx_list_push(&r->headers_out.headers); |
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382 if (h == NULL) { |
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383 return NGX_ERROR; |
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384 } |
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385 |
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386 } else { |
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387 h = *old; |
1655 | 388 |
389 if (value->len == 0) { | |
390 h->hash = 0; | |
391 return NGX_OK; | |
392 } | |
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393 } |
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394 |
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395 h->hash = hv->hash; |
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396 h->key = hv->key; |
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397 h->value = *value; |
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398 |
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399 return NGX_OK; |
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400 } |
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401 |
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402 |
501 | 403 static void * |
404 ngx_http_headers_create_conf(ngx_conf_t *cf) | |
577 | 405 { |
326
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406 ngx_http_headers_conf_t *conf; |
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407 |
573 | 408 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_headers_conf_t)); |
501 | 409 if (conf == NULL) { |
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410 return NULL; |
326
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411 } |
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412 |
573 | 413 /* |
414 * set by ngx_pcalloc(): | |
415 * | |
416 * conf->headers = NULL; | |
2013 | 417 * conf->expires_time = 0; |
573 | 418 */ |
419 | |
2013 | 420 conf->expires = NGX_CONF_UNSET_UINT; |
326
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421 |
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422 return conf; |
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423 } |
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424 |
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nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
425 |
501 | 426 static char * |
427 ngx_http_headers_merge_conf(ngx_conf_t *cf, void *parent, void *child) | |
326
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nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
428 { |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
429 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
|
430 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
|
431 |
2013 | 432 if (conf->expires == NGX_CONF_UNSET_UINT) { |
433 conf->expires = prev->expires; | |
434 conf->expires_time = prev->expires_time; | |
435 | |
436 if (conf->expires == NGX_CONF_UNSET_UINT) { | |
437 conf->expires = NGX_HTTP_EXPIRES_OFF; | |
438 } | |
326
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nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
439 } |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
440 |
573 | 441 if (conf->headers == NULL) { |
442 conf->headers = prev->headers; | |
443 } | |
444 | |
326
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
445 return NGX_CONF_OK; |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
446 } |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
447 |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
448 |
681 | 449 static ngx_int_t |
450 ngx_http_headers_filter_init(ngx_conf_t *cf) | |
451 { | |
452 ngx_http_next_header_filter = ngx_http_top_header_filter; | |
453 ngx_http_top_header_filter = ngx_http_headers_filter; | |
454 | |
455 return NGX_OK; | |
456 } | |
457 | |
458 | |
501 | 459 static char * |
460 ngx_http_headers_expires(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
326
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nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
461 { |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
462 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
|
463 |
2013 | 464 ngx_uint_t minus, n; |
326
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
465 ngx_str_t *value; |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
466 |
2013 | 467 if (hcf->expires != NGX_CONF_UNSET_UINT) { |
326
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
468 return "is duplicate"; |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
469 } |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
470 |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
471 value = cf->args->elts; |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
472 |
2013 | 473 if (cf->args->nelts == 2) { |
474 | |
475 if (ngx_strcmp(value[1].data, "epoch") == 0) { | |
476 hcf->expires = NGX_HTTP_EXPIRES_EPOCH; | |
477 return NGX_CONF_OK; | |
478 } | |
479 | |
480 if (ngx_strcmp(value[1].data, "max") == 0) { | |
481 hcf->expires = NGX_HTTP_EXPIRES_MAX; | |
482 return NGX_CONF_OK; | |
483 } | |
326
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parents:
diff
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|
484 |
2013 | 485 if (ngx_strcmp(value[1].data, "off") == 0) { |
486 hcf->expires = NGX_HTTP_EXPIRES_OFF; | |
487 return NGX_CONF_OK; | |
488 } | |
489 | |
490 hcf->expires = NGX_HTTP_EXPIRES_ACCESS; | |
491 | |
492 n = 1; | |
493 | |
494 } else { /* cf->args->nelts == 3 */ | |
495 | |
496 if (ngx_strcmp(value[1].data, "modified") != 0) { | |
497 return "invalid value"; | |
498 } | |
499 | |
500 hcf->expires = NGX_HTTP_EXPIRES_MODIFIED; | |
501 | |
502 n = 2; | |
729 | 503 } |
504 | |
2163 | 505 if (value[n].data[0] == '@') { |
506 value[n].data++; | |
507 value[n].len--; | |
508 minus = 0; | |
509 | |
510 if (hcf->expires == NGX_HTTP_EXPIRES_MODIFIED) { | |
4133
59b99f217c6d
Replaced "can not" with "cannot" and "could not" in a bunch of places.
Ruslan Ermilov <ru@nginx.com>
parents:
3516
diff
changeset
|
511 return "daily time cannot be used with \"modified\" parameter"; |
2163 | 512 } |
513 | |
514 hcf->expires = NGX_HTTP_EXPIRES_DAILY; | |
515 | |
516 } else if (value[n].data[0] == '+') { | |
2013 | 517 value[n].data++; |
518 value[n].len--; | |
326
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parents:
diff
changeset
|
519 minus = 0; |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
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|
520 |
2013 | 521 } else if (value[n].data[0] == '-') { |
522 value[n].data++; | |
523 value[n].len--; | |
326
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parents:
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|
524 minus = 1; |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
525 |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
526 } else { |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
527 minus = 0; |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
528 } |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
529 |
2013 | 530 hcf->expires_time = ngx_parse_time(&value[n], 1); |
501 | 531 |
2013 | 532 if (hcf->expires_time == NGX_ERROR) { |
326
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
533 return "invalid value"; |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
534 } |
577 | 535 |
2164 | 536 if (hcf->expires == NGX_HTTP_EXPIRES_DAILY |
537 && hcf->expires_time > 24 * 60 * 60) | |
538 { | |
539 return "daily time value must be less than 24 hours"; | |
540 } | |
541 | |
2013 | 542 if (hcf->expires_time == NGX_PARSE_LARGE_TIME) { |
326
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
543 return "value must be less than 68 years"; |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
544 } |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
545 |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
546 if (minus) { |
2013 | 547 hcf->expires_time = - hcf->expires_time; |
326
8733703a37f3
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
548 } |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
549 |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
550 return NGX_CONF_OK; |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
551 } |
573 | 552 |
553 | |
554 static char * | |
555 ngx_http_headers_add(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
556 { | |
557 ngx_http_headers_conf_t *hcf = conf; | |
558 | |
2588
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Igor Sysoev <igor@sysoev.ru>
parents:
2406
diff
changeset
|
559 ngx_str_t *value; |
a6954ce88b80
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Igor Sysoev <igor@sysoev.ru>
parents:
2406
diff
changeset
|
560 ngx_uint_t i; |
a6954ce88b80
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Igor Sysoev <igor@sysoev.ru>
parents:
2406
diff
changeset
|
561 ngx_http_header_val_t *hv; |
a6954ce88b80
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
562 ngx_http_set_header_t *set; |
a6954ce88b80
use complex values in add_header, auth_basic_user_file,
Igor Sysoev <igor@sysoev.ru>
parents:
2406
diff
changeset
|
563 ngx_http_compile_complex_value_t ccv; |
573 | 564 |
565 value = cf->args->elts; | |
566 | |
567 if (hcf->headers == NULL) { | |
625 | 568 hcf->headers = ngx_array_create(cf->pool, 1, |
569 sizeof(ngx_http_header_val_t)); | |
573 | 570 if (hcf->headers == NULL) { |
571 return NGX_CONF_ERROR; | |
572 } | |
573 } | |
574 | |
2588
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
575 hv = ngx_array_push(hcf->headers); |
a6954ce88b80
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Igor Sysoev <igor@sysoev.ru>
parents:
2406
diff
changeset
|
576 if (hv == NULL) { |
573 | 577 return NGX_CONF_ERROR; |
578 } | |
579 | |
2588
a6954ce88b80
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Igor Sysoev <igor@sysoev.ru>
parents:
2406
diff
changeset
|
580 hv->hash = 1; |
a6954ce88b80
use complex values in add_header, auth_basic_user_file,
Igor Sysoev <igor@sysoev.ru>
parents:
2406
diff
changeset
|
581 hv->key = value[1]; |
a6954ce88b80
use complex values in add_header, auth_basic_user_file,
Igor Sysoev <igor@sysoev.ru>
parents:
2406
diff
changeset
|
582 hv->handler = ngx_http_add_header; |
a6954ce88b80
use complex values in add_header, auth_basic_user_file,
Igor Sysoev <igor@sysoev.ru>
parents:
2406
diff
changeset
|
583 hv->offset = 0; |
625 | 584 |
2588
a6954ce88b80
use complex values in add_header, auth_basic_user_file,
Igor Sysoev <igor@sysoev.ru>
parents:
2406
diff
changeset
|
585 set = ngx_http_set_headers; |
a6954ce88b80
use complex values in add_header, auth_basic_user_file,
Igor Sysoev <igor@sysoev.ru>
parents:
2406
diff
changeset
|
586 for (i = 0; set[i].name.len; i++) { |
a6954ce88b80
use complex values in add_header, auth_basic_user_file,
Igor Sysoev <igor@sysoev.ru>
parents:
2406
diff
changeset
|
587 if (ngx_strcasecmp(value[1].data, set[i].name.data) != 0) { |
1363
b0e114fb3bdc
use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
588 continue; |
b0e114fb3bdc
use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
589 } |
b0e114fb3bdc
use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
590 |
2588
a6954ce88b80
use complex values in add_header, auth_basic_user_file,
Igor Sysoev <igor@sysoev.ru>
parents:
2406
diff
changeset
|
591 hv->offset = set[i].offset; |
a6954ce88b80
use complex values in add_header, auth_basic_user_file,
Igor Sysoev <igor@sysoev.ru>
parents:
2406
diff
changeset
|
592 hv->handler = set[i].handler; |
a6954ce88b80
use complex values in add_header, auth_basic_user_file,
Igor Sysoev <igor@sysoev.ru>
parents:
2406
diff
changeset
|
593 |
1363
b0e114fb3bdc
use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
594 break; |
b0e114fb3bdc
use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
595 } |
b0e114fb3bdc
use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
596 |
2605
2a301c21256a
fix add_header Last-Modified "", broken in r2589
Igor Sysoev <igor@sysoev.ru>
parents:
2588
diff
changeset
|
597 if (value[2].len == 0) { |
2a301c21256a
fix add_header Last-Modified "", broken in r2589
Igor Sysoev <igor@sysoev.ru>
parents:
2588
diff
changeset
|
598 ngx_memzero(&hv->value, sizeof(ngx_http_complex_value_t)); |
2a301c21256a
fix add_header Last-Modified "", broken in r2589
Igor Sysoev <igor@sysoev.ru>
parents:
2588
diff
changeset
|
599 return NGX_CONF_OK; |
2a301c21256a
fix add_header Last-Modified "", broken in r2589
Igor Sysoev <igor@sysoev.ru>
parents:
2588
diff
changeset
|
600 } |
2a301c21256a
fix add_header Last-Modified "", broken in r2589
Igor Sysoev <igor@sysoev.ru>
parents:
2588
diff
changeset
|
601 |
2588
a6954ce88b80
use complex values in add_header, auth_basic_user_file,
Igor Sysoev <igor@sysoev.ru>
parents:
2406
diff
changeset
|
602 ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); |
625 | 603 |
2588
a6954ce88b80
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Igor Sysoev <igor@sysoev.ru>
parents:
2406
diff
changeset
|
604 ccv.cf = cf; |
a6954ce88b80
use complex values in add_header, auth_basic_user_file,
Igor Sysoev <igor@sysoev.ru>
parents:
2406
diff
changeset
|
605 ccv.value = &value[2]; |
a6954ce88b80
use complex values in add_header, auth_basic_user_file,
Igor Sysoev <igor@sysoev.ru>
parents:
2406
diff
changeset
|
606 ccv.complex_value = &hv->value; |
625 | 607 |
2588
a6954ce88b80
use complex values in add_header, auth_basic_user_file,
Igor Sysoev <igor@sysoev.ru>
parents:
2406
diff
changeset
|
608 if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { |
625 | 609 return NGX_CONF_ERROR; |
610 } | |
573 | 611 |
612 return NGX_CONF_OK; | |
613 } |