Mercurial > hg > nginx
annotate src/http/modules/ngx_http_headers_filter_module.c @ 4974:9d9ee85db35d
Slightly optimized code that handles special headers in "add_header".
author | Ruslan Ermilov <ru@nginx.com> |
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date | Wed, 19 Dec 2012 10:30:45 +0000 |
parents | 1e2ac45ad25d |
children | 837d0a1bc31c |
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 |
4412 | 4 * Copyright (C) Nginx, Inc. |
441
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5 */ |
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6 |
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7 |
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8 #include <ngx_config.h> |
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9 #include <ngx_core.h> |
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10 #include <ngx_http.h> |
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11 |
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12 |
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13 typedef struct ngx_http_header_val_s ngx_http_header_val_t; |
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14 |
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15 typedef ngx_int_t (*ngx_http_set_header_pt)(ngx_http_request_t *r, |
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16 ngx_http_header_val_t *hv, ngx_str_t *value); |
625 | 17 |
18 | |
19 typedef struct { | |
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20 ngx_str_t name; |
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21 ngx_uint_t offset; |
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22 ngx_http_set_header_pt handler; |
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23 } ngx_http_set_header_t; |
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24 |
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25 |
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26 struct ngx_http_header_val_s { |
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27 ngx_http_complex_value_t value; |
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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 |
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34 typedef enum { |
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35 NGX_HTTP_EXPIRES_OFF, |
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36 NGX_HTTP_EXPIRES_EPOCH, |
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37 NGX_HTTP_EXPIRES_MAX, |
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38 NGX_HTTP_EXPIRES_ACCESS, |
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39 NGX_HTTP_EXPIRES_MODIFIED, |
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40 NGX_HTTP_EXPIRES_DAILY, |
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41 NGX_HTTP_EXPIRES_UNSET |
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42 } ngx_http_expires_t; |
2013 | 43 |
44 | |
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45 typedef struct { |
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46 ngx_http_expires_t expires; |
2013 | 47 time_t expires_time; |
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48 ngx_array_t *headers; |
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49 } ngx_http_headers_conf_t; |
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50 |
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51 |
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52 static ngx_int_t ngx_http_set_expires(ngx_http_request_t *r, |
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53 ngx_http_headers_conf_t *conf); |
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54 static ngx_int_t ngx_http_add_cache_control(ngx_http_request_t *r, |
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55 ngx_http_header_val_t *hv, ngx_str_t *value); |
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56 static ngx_int_t ngx_http_add_header(ngx_http_request_t *r, |
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57 ngx_http_header_val_t *hv, ngx_str_t *value); |
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58 static ngx_int_t ngx_http_set_last_modified(ngx_http_request_t *r, |
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59 ngx_http_header_val_t *hv, ngx_str_t *value); |
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60 static ngx_int_t ngx_http_set_response_header(ngx_http_request_t *r, |
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61 ngx_http_header_val_t *hv, ngx_str_t *value); |
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62 |
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63 static void *ngx_http_headers_create_conf(ngx_conf_t *cf); |
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64 static char *ngx_http_headers_merge_conf(ngx_conf_t *cf, |
573 | 65 void *parent, void *child); |
681 | 66 static ngx_int_t ngx_http_headers_filter_init(ngx_conf_t *cf); |
501 | 67 static char *ngx_http_headers_expires(ngx_conf_t *cf, ngx_command_t *cmd, |
68 void *conf); | |
573 | 69 static char *ngx_http_headers_add(ngx_conf_t *cf, ngx_command_t *cmd, |
70 void *conf); | |
326
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71 |
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72 |
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73 static ngx_http_set_header_t ngx_http_set_headers[] = { |
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74 |
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75 { ngx_string("Cache-Control"), 0, ngx_http_add_cache_control }, |
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76 |
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77 { ngx_string("Last-Modified"), |
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78 offsetof(ngx_http_headers_out_t, last_modified), |
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79 ngx_http_set_last_modified }, |
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80 |
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81 { ngx_string("ETag"), |
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82 offsetof(ngx_http_headers_out_t, etag), |
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83 ngx_http_set_response_header }, |
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84 |
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85 { ngx_null_string, 0, NULL } |
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86 }; |
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87 |
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88 |
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89 static ngx_command_t ngx_http_headers_filter_commands[] = { |
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90 |
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91 { ngx_string("expires"), |
573 | 92 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF |
2013 | 93 |NGX_CONF_TAKE12, |
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94 ngx_http_headers_expires, |
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95 NGX_HTTP_LOC_CONF_OFFSET, |
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96 0, |
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97 NULL}, |
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98 |
573 | 99 { ngx_string("add_header"), |
100 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF | |
101 |NGX_CONF_TAKE2, | |
102 ngx_http_headers_add, | |
103 NGX_HTTP_LOC_CONF_OFFSET, | |
104 0, | |
105 NULL}, | |
106 | |
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107 ngx_null_command |
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108 }; |
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109 |
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110 |
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111 static ngx_http_module_t ngx_http_headers_filter_module_ctx = { |
509 | 112 NULL, /* preconfiguration */ |
681 | 113 ngx_http_headers_filter_init, /* postconfiguration */ |
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114 |
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115 NULL, /* create main configuration */ |
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116 NULL, /* init main configuration */ |
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117 |
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118 NULL, /* create server configuration */ |
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119 NULL, /* merge server configuration */ |
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120 |
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121 ngx_http_headers_create_conf, /* create location configuration */ |
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122 ngx_http_headers_merge_conf /* merge location configuration */ |
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123 }; |
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124 |
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125 |
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126 ngx_module_t ngx_http_headers_filter_module = { |
509 | 127 NGX_MODULE_V1, |
326
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128 &ngx_http_headers_filter_module_ctx, /* module context */ |
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129 ngx_http_headers_filter_commands, /* module directives */ |
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130 NGX_HTTP_MODULE, /* module type */ |
541 | 131 NULL, /* init master */ |
681 | 132 NULL, /* init module */ |
541 | 133 NULL, /* init process */ |
134 NULL, /* init thread */ | |
135 NULL, /* exit thread */ | |
136 NULL, /* exit process */ | |
137 NULL, /* exit master */ | |
138 NGX_MODULE_V1_PADDING | |
326
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139 }; |
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140 |
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141 |
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142 static ngx_http_output_header_filter_pt ngx_http_next_header_filter; |
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143 |
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144 |
501 | 145 static ngx_int_t |
146 ngx_http_headers_filter(ngx_http_request_t *r) | |
326
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147 { |
1364 | 148 ngx_str_t value; |
509 | 149 ngx_uint_t i; |
625 | 150 ngx_http_header_val_t *h; |
326
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151 ngx_http_headers_conf_t *conf; |
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152 |
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153 conf = ngx_http_get_module_loc_conf(r, ngx_http_headers_filter_module); |
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154 |
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155 if ((conf->expires == NGX_HTTP_EXPIRES_OFF && conf->headers == NULL) |
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156 || r != r->main |
663 | 157 || (r->headers_out.status != NGX_HTTP_OK |
158 && r->headers_out.status != NGX_HTTP_NO_CONTENT | |
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159 && r->headers_out.status != NGX_HTTP_PARTIAL_CONTENT |
663 | 160 && r->headers_out.status != NGX_HTTP_MOVED_PERMANENTLY |
161 && r->headers_out.status != NGX_HTTP_MOVED_TEMPORARILY | |
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162 && r->headers_out.status != NGX_HTTP_SEE_OTHER |
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163 && r->headers_out.status != NGX_HTTP_NOT_MODIFIED |
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164 && r->headers_out.status != NGX_HTTP_TEMPORARY_REDIRECT)) |
543 | 165 { |
326
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166 return ngx_http_next_header_filter(r); |
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167 } |
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168 |
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169 if (conf->expires != NGX_HTTP_EXPIRES_OFF) { |
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170 if (ngx_http_set_expires(r, conf) != NGX_OK) { |
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171 return NGX_ERROR; |
326
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172 } |
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173 } |
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174 |
573 | 175 if (conf->headers) { |
176 h = conf->headers->elts; | |
177 for (i = 0; i < conf->headers->nelts; i++) { | |
625 | 178 |
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179 if (ngx_http_complex_value(r, &h[i].value, &value) != NGX_OK) { |
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180 return NGX_ERROR; |
625 | 181 } |
182 | |
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183 if (h[i].handler(r, &h[i], &value) != NGX_OK) { |
625 | 184 return NGX_ERROR; |
185 } | |
573 | 186 } |
187 } | |
188 | |
326
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189 return ngx_http_next_header_filter(r); |
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190 } |
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191 |
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192 |
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193 static ngx_int_t |
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194 ngx_http_set_expires(ngx_http_request_t *r, ngx_http_headers_conf_t *conf) |
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195 { |
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196 size_t len; |
2163 | 197 time_t now, expires_time, max_age; |
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198 ngx_uint_t i; |
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199 ngx_table_elt_t *expires, *cc, **ccp; |
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200 |
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201 expires = r->headers_out.expires; |
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202 |
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203 if (expires == NULL) { |
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204 |
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205 expires = ngx_list_push(&r->headers_out.headers); |
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206 if (expires == NULL) { |
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207 return NGX_ERROR; |
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208 } |
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209 |
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210 r->headers_out.expires = expires; |
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211 |
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212 expires->hash = 1; |
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213 ngx_str_set(&expires->key, "Expires"); |
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214 } |
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215 |
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216 len = sizeof("Mon, 28 Sep 1970 06:00:00 GMT"); |
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217 expires->value.len = len - 1; |
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218 |
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219 ccp = r->headers_out.cache_control.elts; |
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220 |
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221 if (ccp == NULL) { |
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222 |
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223 if (ngx_array_init(&r->headers_out.cache_control, r->pool, |
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224 1, sizeof(ngx_table_elt_t *)) |
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225 != NGX_OK) |
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226 { |
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227 return NGX_ERROR; |
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228 } |
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229 |
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230 ccp = ngx_array_push(&r->headers_out.cache_control); |
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231 if (ccp == NULL) { |
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232 return NGX_ERROR; |
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233 } |
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234 |
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235 cc = ngx_list_push(&r->headers_out.headers); |
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236 if (cc == NULL) { |
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237 return NGX_ERROR; |
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238 } |
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239 |
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240 cc->hash = 1; |
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241 ngx_str_set(&cc->key, "Cache-Control"); |
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242 *ccp = cc; |
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243 |
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244 } else { |
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245 for (i = 1; i < r->headers_out.cache_control.nelts; i++) { |
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246 ccp[i]->hash = 0; |
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247 } |
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248 |
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249 cc = ccp[0]; |
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250 } |
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251 |
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252 if (conf->expires == NGX_HTTP_EXPIRES_EPOCH) { |
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253 expires->value.data = (u_char *) "Thu, 01 Jan 1970 00:00:01 GMT"; |
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254 ngx_str_set(&cc->value, "no-cache"); |
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255 return NGX_OK; |
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256 } |
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257 |
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258 if (conf->expires == NGX_HTTP_EXPIRES_MAX) { |
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259 expires->value.data = (u_char *) "Thu, 31 Dec 2037 23:55:55 GMT"; |
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260 /* 10 years */ |
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261 ngx_str_set(&cc->value, "max-age=315360000"); |
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262 return NGX_OK; |
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263 } |
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264 |
2049 | 265 expires->value.data = ngx_pnalloc(r->pool, len); |
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266 if (expires->value.data == NULL) { |
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267 return NGX_ERROR; |
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268 } |
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269 |
4216 | 270 if (conf->expires_time == 0 && conf->expires != NGX_HTTP_EXPIRES_DAILY) { |
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271 ngx_memcpy(expires->value.data, ngx_cached_http_time.data, |
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272 ngx_cached_http_time.len + 1); |
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273 ngx_str_set(&cc->value, "max-age=0"); |
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274 return NGX_OK; |
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275 } |
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276 |
2163 | 277 now = ngx_time(); |
278 | |
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279 if (conf->expires == NGX_HTTP_EXPIRES_DAILY) { |
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280 expires_time = ngx_next_time(conf->expires_time); |
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281 max_age = expires_time - now; |
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282 |
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283 } else if (conf->expires == NGX_HTTP_EXPIRES_ACCESS |
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284 || r->headers_out.last_modified_time == -1) |
2013 | 285 { |
2163 | 286 expires_time = now + conf->expires_time; |
287 max_age = conf->expires_time; | |
288 | |
2013 | 289 } else { |
2163 | 290 expires_time = r->headers_out.last_modified_time + conf->expires_time; |
291 max_age = expires_time - now; | |
2013 | 292 } |
293 | |
2163 | 294 ngx_http_time(expires->value.data, expires_time); |
2013 | 295 |
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296 if (conf->expires_time < 0 || max_age < 0) { |
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297 ngx_str_set(&cc->value, "no-cache"); |
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298 return NGX_OK; |
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299 } |
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300 |
2049 | 301 cc->value.data = ngx_pnalloc(r->pool, |
302 sizeof("max-age=") + NGX_TIME_T_LEN + 1); | |
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303 if (cc->value.data == NULL) { |
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304 return NGX_ERROR; |
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305 } |
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306 |
2163 | 307 cc->value.len = ngx_sprintf(cc->value.data, "max-age=%T", max_age) |
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308 - cc->value.data; |
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309 |
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310 return NGX_OK; |
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311 } |
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312 |
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313 |
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314 static ngx_int_t |
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315 ngx_http_add_header(ngx_http_request_t *r, ngx_http_header_val_t *hv, |
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316 ngx_str_t *value) |
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317 { |
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318 ngx_table_elt_t *h; |
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319 |
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320 if (value->len) { |
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321 h = ngx_list_push(&r->headers_out.headers); |
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322 if (h == NULL) { |
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323 return NGX_ERROR; |
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324 } |
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325 |
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326 h->hash = 1; |
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327 h->key = hv->key; |
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328 h->value = *value; |
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329 } |
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330 |
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331 return NGX_OK; |
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332 } |
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333 |
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334 |
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335 static ngx_int_t |
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336 ngx_http_add_cache_control(ngx_http_request_t *r, ngx_http_header_val_t *hv, |
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337 ngx_str_t *value) |
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338 { |
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339 ngx_table_elt_t *cc, **ccp; |
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340 |
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341 ccp = r->headers_out.cache_control.elts; |
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342 |
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343 if (ccp == NULL) { |
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344 |
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345 if (ngx_array_init(&r->headers_out.cache_control, r->pool, |
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346 1, sizeof(ngx_table_elt_t *)) |
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347 != NGX_OK) |
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348 { |
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349 return NGX_ERROR; |
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350 } |
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351 } |
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352 |
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353 ccp = ngx_array_push(&r->headers_out.cache_control); |
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354 if (ccp == NULL) { |
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355 return NGX_ERROR; |
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356 } |
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357 |
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358 cc = ngx_list_push(&r->headers_out.headers); |
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359 if (cc == NULL) { |
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360 return NGX_ERROR; |
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361 } |
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362 |
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363 cc->hash = 1; |
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364 ngx_str_set(&cc->key, "Cache-Control"); |
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365 cc->value = *value; |
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366 |
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367 *ccp = cc; |
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368 |
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369 return NGX_OK; |
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370 } |
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371 |
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372 |
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373 static ngx_int_t |
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374 ngx_http_set_last_modified(ngx_http_request_t *r, ngx_http_header_val_t *hv, |
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375 ngx_str_t *value) |
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376 { |
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377 if (ngx_http_set_response_header(r, hv, value) != NGX_OK) { |
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378 return NGX_ERROR; |
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379 } |
1655 | 380 |
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381 r->headers_out.last_modified_time = |
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382 (value->len) ? ngx_http_parse_time(value->data, value->len) : -1; |
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383 |
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384 return NGX_OK; |
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385 } |
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386 |
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387 |
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388 static ngx_int_t |
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389 ngx_http_set_response_header(ngx_http_request_t *r, ngx_http_header_val_t *hv, |
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390 ngx_str_t *value) |
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391 { |
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392 ngx_table_elt_t *h, **old; |
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393 |
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394 old = (ngx_table_elt_t **) ((char *) &r->headers_out + hv->offset); |
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395 |
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396 if (value->len == 0) { |
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397 if (*old) { |
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398 (*old)->hash = 0; |
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399 *old = NULL; |
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400 } |
4747
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Entity tags: handling in add_header.
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|
401 |
1e2ac45ad25d
Entity tags: handling in add_header.
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402 return NGX_OK; |
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403 } |
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|
404 |
4974
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|
405 if (*old) { |
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406 h = *old; |
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|
407 |
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Slightly optimized code that handles special headers in "add_header".
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|
408 } else { |
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Slightly optimized code that handles special headers in "add_header".
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409 h = ngx_list_push(&r->headers_out.headers); |
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Slightly optimized code that handles special headers in "add_header".
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410 if (h == NULL) { |
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411 return NGX_ERROR; |
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Slightly optimized code that handles special headers in "add_header".
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|
412 } |
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Slightly optimized code that handles special headers in "add_header".
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parents:
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|
413 |
9d9ee85db35d
Slightly optimized code that handles special headers in "add_header".
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|
414 *old = h; |
4747
1e2ac45ad25d
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|
415 } |
1e2ac45ad25d
Entity tags: handling in add_header.
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|
416 |
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417 h->hash = 1; |
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418 h->key = hv->key; |
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419 h->value = *value; |
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420 |
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421 return NGX_OK; |
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|
422 } |
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423 |
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|
424 |
501 | 425 static void * |
426 ngx_http_headers_create_conf(ngx_conf_t *cf) | |
577 | 427 { |
326
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428 ngx_http_headers_conf_t *conf; |
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429 |
573 | 430 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_headers_conf_t)); |
501 | 431 if (conf == NULL) { |
2912
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432 return NULL; |
326
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433 } |
8733703a37f3
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parents:
diff
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|
434 |
573 | 435 /* |
436 * set by ngx_pcalloc(): | |
437 * | |
438 * conf->headers = NULL; | |
2013 | 439 * conf->expires_time = 0; |
573 | 440 */ |
441 | |
4547
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442 conf->expires = NGX_HTTP_EXPIRES_UNSET; |
326
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parents:
diff
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|
443 |
8733703a37f3
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444 return conf; |
8733703a37f3
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parents:
diff
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445 } |
8733703a37f3
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parents:
diff
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|
446 |
8733703a37f3
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parents:
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|
447 |
501 | 448 static char * |
449 ngx_http_headers_merge_conf(ngx_conf_t *cf, void *parent, void *child) | |
326
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parents:
diff
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|
450 { |
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parents:
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|
451 ngx_http_headers_conf_t *prev = parent; |
8733703a37f3
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parents:
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|
452 ngx_http_headers_conf_t *conf = child; |
8733703a37f3
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parents:
diff
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|
453 |
4547
2577c27cbffd
Minor ngx_http_headers_filter_module.c code cleanup.
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parents:
4491
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|
454 if (conf->expires == NGX_HTTP_EXPIRES_UNSET) { |
2013 | 455 conf->expires = prev->expires; |
456 conf->expires_time = prev->expires_time; | |
457 | |
4547
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Minor ngx_http_headers_filter_module.c code cleanup.
Ruslan Ermilov <ru@nginx.com>
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4491
diff
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|
458 if (conf->expires == NGX_HTTP_EXPIRES_UNSET) { |
2013 | 459 conf->expires = NGX_HTTP_EXPIRES_OFF; |
460 } | |
326
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parents:
diff
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|
461 } |
8733703a37f3
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parents:
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|
462 |
573 | 463 if (conf->headers == NULL) { |
464 conf->headers = prev->headers; | |
465 } | |
466 | |
326
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|
467 return NGX_CONF_OK; |
8733703a37f3
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parents:
diff
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|
468 } |
8733703a37f3
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parents:
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|
469 |
8733703a37f3
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parents:
diff
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|
470 |
681 | 471 static ngx_int_t |
472 ngx_http_headers_filter_init(ngx_conf_t *cf) | |
473 { | |
474 ngx_http_next_header_filter = ngx_http_top_header_filter; | |
475 ngx_http_top_header_filter = ngx_http_headers_filter; | |
476 | |
477 return NGX_OK; | |
478 } | |
479 | |
480 | |
501 | 481 static char * |
482 ngx_http_headers_expires(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
326
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parents:
diff
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|
483 { |
8733703a37f3
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parents:
diff
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|
484 ngx_http_headers_conf_t *hcf = conf; |
8733703a37f3
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parents:
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|
485 |
2013 | 486 ngx_uint_t minus, n; |
326
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parents:
diff
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|
487 ngx_str_t *value; |
8733703a37f3
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
488 |
4547
2577c27cbffd
Minor ngx_http_headers_filter_module.c code cleanup.
Ruslan Ermilov <ru@nginx.com>
parents:
4491
diff
changeset
|
489 if (hcf->expires != NGX_HTTP_EXPIRES_UNSET) { |
326
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parents:
diff
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|
490 return "is duplicate"; |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
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parents:
diff
changeset
|
491 } |
8733703a37f3
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
492 |
8733703a37f3
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parents:
diff
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|
493 value = cf->args->elts; |
8733703a37f3
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parents:
diff
changeset
|
494 |
2013 | 495 if (cf->args->nelts == 2) { |
496 | |
497 if (ngx_strcmp(value[1].data, "epoch") == 0) { | |
498 hcf->expires = NGX_HTTP_EXPIRES_EPOCH; | |
499 return NGX_CONF_OK; | |
500 } | |
501 | |
502 if (ngx_strcmp(value[1].data, "max") == 0) { | |
503 hcf->expires = NGX_HTTP_EXPIRES_MAX; | |
504 return NGX_CONF_OK; | |
505 } | |
326
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parents:
diff
changeset
|
506 |
2013 | 507 if (ngx_strcmp(value[1].data, "off") == 0) { |
508 hcf->expires = NGX_HTTP_EXPIRES_OFF; | |
509 return NGX_CONF_OK; | |
510 } | |
511 | |
512 hcf->expires = NGX_HTTP_EXPIRES_ACCESS; | |
513 | |
514 n = 1; | |
515 | |
516 } else { /* cf->args->nelts == 3 */ | |
517 | |
518 if (ngx_strcmp(value[1].data, "modified") != 0) { | |
519 return "invalid value"; | |
520 } | |
521 | |
522 hcf->expires = NGX_HTTP_EXPIRES_MODIFIED; | |
523 | |
524 n = 2; | |
729 | 525 } |
526 | |
2163 | 527 if (value[n].data[0] == '@') { |
528 value[n].data++; | |
529 value[n].len--; | |
530 minus = 0; | |
531 | |
532 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
|
533 return "daily time cannot be used with \"modified\" parameter"; |
2163 | 534 } |
535 | |
536 hcf->expires = NGX_HTTP_EXPIRES_DAILY; | |
537 | |
538 } else if (value[n].data[0] == '+') { | |
2013 | 539 value[n].data++; |
540 value[n].len--; | |
326
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
541 minus = 0; |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
542 |
2013 | 543 } else if (value[n].data[0] == '-') { |
544 value[n].data++; | |
545 value[n].len--; | |
326
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
546 minus = 1; |
8733703a37f3
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
547 |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
548 } else { |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
549 minus = 0; |
8733703a37f3
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
550 } |
8733703a37f3
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parents:
diff
changeset
|
551 |
2013 | 552 hcf->expires_time = ngx_parse_time(&value[n], 1); |
501 | 553 |
4474 | 554 if (hcf->expires_time == (time_t) NGX_ERROR) { |
326
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parents:
diff
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|
555 return "invalid value"; |
8733703a37f3
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
556 } |
577 | 557 |
2164 | 558 if (hcf->expires == NGX_HTTP_EXPIRES_DAILY |
559 && hcf->expires_time > 24 * 60 * 60) | |
560 { | |
561 return "daily time value must be less than 24 hours"; | |
562 } | |
563 | |
326
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parents:
diff
changeset
|
564 if (minus) { |
2013 | 565 hcf->expires_time = - hcf->expires_time; |
326
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parents:
diff
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|
566 } |
8733703a37f3
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
567 |
8733703a37f3
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
568 return NGX_CONF_OK; |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
569 } |
573 | 570 |
571 | |
572 static char * | |
573 ngx_http_headers_add(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
574 { | |
575 ngx_http_headers_conf_t *hcf = conf; | |
576 | |
2588
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Igor Sysoev <igor@sysoev.ru>
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2406
diff
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|
577 ngx_str_t *value; |
a6954ce88b80
use complex values in add_header, auth_basic_user_file,
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|
578 ngx_uint_t i; |
a6954ce88b80
use complex values in add_header, auth_basic_user_file,
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parents:
2406
diff
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|
579 ngx_http_header_val_t *hv; |
a6954ce88b80
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|
580 ngx_http_set_header_t *set; |
a6954ce88b80
use complex values in add_header, auth_basic_user_file,
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parents:
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diff
changeset
|
581 ngx_http_compile_complex_value_t ccv; |
573 | 582 |
583 value = cf->args->elts; | |
584 | |
585 if (hcf->headers == NULL) { | |
625 | 586 hcf->headers = ngx_array_create(cf->pool, 1, |
587 sizeof(ngx_http_header_val_t)); | |
573 | 588 if (hcf->headers == NULL) { |
589 return NGX_CONF_ERROR; | |
590 } | |
591 } | |
592 | |
2588
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diff
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|
593 hv = ngx_array_push(hcf->headers); |
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diff
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|
594 if (hv == NULL) { |
573 | 595 return NGX_CONF_ERROR; |
596 } | |
597 | |
2588
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|
598 hv->key = value[1]; |
a6954ce88b80
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diff
changeset
|
599 hv->handler = ngx_http_add_header; |
a6954ce88b80
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Igor Sysoev <igor@sysoev.ru>
parents:
2406
diff
changeset
|
600 hv->offset = 0; |
625 | 601 |
2588
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Igor Sysoev <igor@sysoev.ru>
parents:
2406
diff
changeset
|
602 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
|
603 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
|
604 if (ngx_strcasecmp(value[1].data, set[i].name.data) != 0) { |
1363
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605 continue; |
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606 } |
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607 |
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608 hv->offset = set[i].offset; |
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609 hv->handler = set[i].handler; |
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610 |
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611 break; |
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612 } |
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613 |
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fix add_header Last-Modified "", broken in r2589
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614 if (value[2].len == 0) { |
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615 ngx_memzero(&hv->value, sizeof(ngx_http_complex_value_t)); |
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616 return NGX_CONF_OK; |
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617 } |
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618 |
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619 ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); |
625 | 620 |
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621 ccv.cf = cf; |
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622 ccv.value = &value[2]; |
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623 ccv.complex_value = &hv->value; |
625 | 624 |
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625 if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { |
625 | 626 return NGX_CONF_ERROR; |
627 } | |
573 | 628 |
629 return NGX_CONF_OK; | |
630 } |