Mercurial > hg > nginx
annotate src/http/modules/ngx_http_headers_filter_module.c @ 9331:dbf76fdd109f default tip
release-1.27.4 tag
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Tue, 03 Sep 2024 13:11:25 +0300 |
parents | e46e1ea89ccd |
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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 ngx_uint_t always; /* unsigned always:1 */ |
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32 }; |
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33 |
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34 |
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35 typedef enum { |
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36 NGX_HTTP_EXPIRES_OFF, |
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37 NGX_HTTP_EXPIRES_EPOCH, |
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38 NGX_HTTP_EXPIRES_MAX, |
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39 NGX_HTTP_EXPIRES_ACCESS, |
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40 NGX_HTTP_EXPIRES_MODIFIED, |
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41 NGX_HTTP_EXPIRES_DAILY, |
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42 NGX_HTTP_EXPIRES_UNSET |
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43 } ngx_http_expires_t; |
2013 | 44 |
45 | |
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46 typedef struct { |
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47 ngx_http_expires_t expires; |
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48 time_t expires_time; |
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49 ngx_http_complex_value_t *expires_value; |
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50 ngx_array_t *headers; |
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51 ngx_array_t *trailers; |
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52 } ngx_http_headers_conf_t; |
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53 |
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54 |
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55 static ngx_int_t ngx_http_set_expires(ngx_http_request_t *r, |
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56 ngx_http_headers_conf_t *conf); |
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57 static ngx_int_t ngx_http_parse_expires(ngx_str_t *value, |
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58 ngx_http_expires_t *expires, time_t *expires_time, char **err); |
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59 static ngx_int_t ngx_http_add_multi_header_lines(ngx_http_request_t *r, |
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60 ngx_http_header_val_t *hv, ngx_str_t *value); |
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61 static ngx_int_t ngx_http_add_header(ngx_http_request_t *r, |
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62 ngx_http_header_val_t *hv, ngx_str_t *value); |
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63 static ngx_int_t ngx_http_set_last_modified(ngx_http_request_t *r, |
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64 ngx_http_header_val_t *hv, ngx_str_t *value); |
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65 static ngx_int_t ngx_http_set_response_header(ngx_http_request_t *r, |
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66 ngx_http_header_val_t *hv, ngx_str_t *value); |
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67 |
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68 static void *ngx_http_headers_create_conf(ngx_conf_t *cf); |
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69 static char *ngx_http_headers_merge_conf(ngx_conf_t *cf, |
573 | 70 void *parent, void *child); |
681 | 71 static ngx_int_t ngx_http_headers_filter_init(ngx_conf_t *cf); |
501 | 72 static char *ngx_http_headers_expires(ngx_conf_t *cf, ngx_command_t *cmd, |
73 void *conf); | |
573 | 74 static char *ngx_http_headers_add(ngx_conf_t *cf, ngx_command_t *cmd, |
75 void *conf); | |
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76 |
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77 |
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78 static ngx_http_set_header_t ngx_http_set_headers[] = { |
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79 |
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80 { ngx_string("Cache-Control"), |
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81 offsetof(ngx_http_headers_out_t, cache_control), |
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82 ngx_http_add_multi_header_lines }, |
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83 |
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84 { ngx_string("Link"), |
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85 offsetof(ngx_http_headers_out_t, link), |
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86 ngx_http_add_multi_header_lines }, |
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87 |
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88 { ngx_string("Last-Modified"), |
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89 offsetof(ngx_http_headers_out_t, last_modified), |
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90 ngx_http_set_last_modified }, |
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91 |
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92 { ngx_string("ETag"), |
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93 offsetof(ngx_http_headers_out_t, etag), |
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94 ngx_http_set_response_header }, |
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95 |
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96 { ngx_string("Age"), |
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97 offsetof(ngx_http_headers_out_t, age), |
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98 ngx_http_set_response_header }, |
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99 |
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100 { ngx_null_string, 0, NULL } |
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101 }; |
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102 |
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103 |
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104 static ngx_command_t ngx_http_headers_filter_commands[] = { |
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105 |
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106 { ngx_string("expires"), |
573 | 107 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF |
2013 | 108 |NGX_CONF_TAKE12, |
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109 ngx_http_headers_expires, |
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110 NGX_HTTP_LOC_CONF_OFFSET, |
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111 0, |
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112 NULL }, |
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113 |
573 | 114 { ngx_string("add_header"), |
115 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF | |
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116 |NGX_CONF_TAKE23, |
573 | 117 ngx_http_headers_add, |
118 NGX_HTTP_LOC_CONF_OFFSET, | |
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119 offsetof(ngx_http_headers_conf_t, headers), |
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120 NULL }, |
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121 |
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122 { ngx_string("add_trailer"), |
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123 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF |
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124 |NGX_CONF_TAKE23, |
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125 ngx_http_headers_add, |
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126 NGX_HTTP_LOC_CONF_OFFSET, |
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127 offsetof(ngx_http_headers_conf_t, trailers), |
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128 NULL }, |
573 | 129 |
326
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130 ngx_null_command |
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131 }; |
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132 |
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133 |
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134 static ngx_http_module_t ngx_http_headers_filter_module_ctx = { |
509 | 135 NULL, /* preconfiguration */ |
681 | 136 ngx_http_headers_filter_init, /* postconfiguration */ |
326
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137 |
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138 NULL, /* create main configuration */ |
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139 NULL, /* init main configuration */ |
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140 |
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141 NULL, /* create server configuration */ |
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142 NULL, /* merge server configuration */ |
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143 |
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144 ngx_http_headers_create_conf, /* create location configuration */ |
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145 ngx_http_headers_merge_conf /* merge location configuration */ |
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146 }; |
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147 |
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148 |
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149 ngx_module_t ngx_http_headers_filter_module = { |
509 | 150 NGX_MODULE_V1, |
326
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151 &ngx_http_headers_filter_module_ctx, /* module context */ |
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152 ngx_http_headers_filter_commands, /* module directives */ |
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153 NGX_HTTP_MODULE, /* module type */ |
541 | 154 NULL, /* init master */ |
681 | 155 NULL, /* init module */ |
541 | 156 NULL, /* init process */ |
157 NULL, /* init thread */ | |
158 NULL, /* exit thread */ | |
159 NULL, /* exit process */ | |
160 NULL, /* exit master */ | |
161 NGX_MODULE_V1_PADDING | |
326
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162 }; |
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163 |
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164 |
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165 static ngx_http_output_header_filter_pt ngx_http_next_header_filter; |
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166 static ngx_http_output_body_filter_pt ngx_http_next_body_filter; |
326
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167 |
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168 |
501 | 169 static ngx_int_t |
170 ngx_http_headers_filter(ngx_http_request_t *r) | |
326
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171 { |
1364 | 172 ngx_str_t value; |
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173 ngx_uint_t i, safe_status; |
625 | 174 ngx_http_header_val_t *h; |
326
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175 ngx_http_headers_conf_t *conf; |
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176 |
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177 if (r != r->main) { |
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178 return ngx_http_next_header_filter(r); |
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179 } |
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180 |
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181 conf = ngx_http_get_module_loc_conf(r, ngx_http_headers_filter_module); |
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182 |
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183 if (conf->expires == NGX_HTTP_EXPIRES_OFF |
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184 && conf->headers == NULL |
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185 && conf->trailers == NULL) |
543 | 186 { |
326
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187 return ngx_http_next_header_filter(r); |
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188 } |
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189 |
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190 switch (r->headers_out.status) { |
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191 |
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192 case NGX_HTTP_OK: |
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193 case NGX_HTTP_CREATED: |
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194 case NGX_HTTP_NO_CONTENT: |
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195 case NGX_HTTP_PARTIAL_CONTENT: |
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196 case NGX_HTTP_MOVED_PERMANENTLY: |
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197 case NGX_HTTP_MOVED_TEMPORARILY: |
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198 case NGX_HTTP_SEE_OTHER: |
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199 case NGX_HTTP_NOT_MODIFIED: |
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200 case NGX_HTTP_TEMPORARY_REDIRECT: |
6977
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Added support for the "308 Permanent Redirect" (ticket #877).
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201 case NGX_HTTP_PERMANENT_REDIRECT: |
5817
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202 safe_status = 1; |
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203 break; |
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204 |
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205 default: |
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206 safe_status = 0; |
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207 break; |
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208 } |
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209 |
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210 if (conf->expires != NGX_HTTP_EXPIRES_OFF && safe_status) { |
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211 if (ngx_http_set_expires(r, conf) != NGX_OK) { |
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212 return NGX_ERROR; |
326
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213 } |
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214 } |
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215 |
573 | 216 if (conf->headers) { |
217 h = conf->headers->elts; | |
218 for (i = 0; i < conf->headers->nelts; i++) { | |
625 | 219 |
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220 if (!safe_status && !h[i].always) { |
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221 continue; |
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222 } |
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223 |
2588
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diff
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|
224 if (ngx_http_complex_value(r, &h[i].value, &value) != NGX_OK) { |
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|
225 return NGX_ERROR; |
625 | 226 } |
227 | |
1363
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|
228 if (h[i].handler(r, &h[i], &value) != NGX_OK) { |
625 | 229 return NGX_ERROR; |
230 } | |
573 | 231 } |
232 } | |
233 | |
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234 if (conf->trailers) { |
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235 h = conf->trailers->elts; |
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236 for (i = 0; i < conf->trailers->nelts; i++) { |
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237 |
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238 if (!safe_status && !h[i].always) { |
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|
239 continue; |
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240 } |
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241 |
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242 r->expect_trailers = 1; |
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243 break; |
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244 } |
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245 } |
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|
246 |
326
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247 return ngx_http_next_header_filter(r); |
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|
248 } |
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249 |
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|
250 |
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diff
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|
251 static ngx_int_t |
7036
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252 ngx_http_trailers_filter(ngx_http_request_t *r, ngx_chain_t *in) |
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253 { |
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254 ngx_str_t value; |
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|
255 ngx_uint_t i, safe_status; |
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256 ngx_chain_t *cl; |
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257 ngx_table_elt_t *t; |
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258 ngx_http_header_val_t *h; |
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259 ngx_http_headers_conf_t *conf; |
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260 |
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261 conf = ngx_http_get_module_loc_conf(r, ngx_http_headers_filter_module); |
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262 |
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|
263 if (in == NULL |
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264 || conf->trailers == NULL |
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265 || !r->expect_trailers |
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266 || r->header_only) |
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267 { |
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268 return ngx_http_next_body_filter(r, in); |
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269 } |
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270 |
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271 for (cl = in; cl; cl = cl->next) { |
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272 if (cl->buf->last_buf) { |
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273 break; |
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274 } |
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275 } |
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276 |
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|
277 if (cl == NULL) { |
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278 return ngx_http_next_body_filter(r, in); |
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279 } |
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280 |
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281 switch (r->headers_out.status) { |
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282 |
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|
283 case NGX_HTTP_OK: |
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|
284 case NGX_HTTP_CREATED: |
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|
285 case NGX_HTTP_NO_CONTENT: |
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|
286 case NGX_HTTP_PARTIAL_CONTENT: |
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|
287 case NGX_HTTP_MOVED_PERMANENTLY: |
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|
288 case NGX_HTTP_MOVED_TEMPORARILY: |
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289 case NGX_HTTP_SEE_OTHER: |
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|
290 case NGX_HTTP_NOT_MODIFIED: |
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|
291 case NGX_HTTP_TEMPORARY_REDIRECT: |
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|
292 case NGX_HTTP_PERMANENT_REDIRECT: |
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|
293 safe_status = 1; |
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294 break; |
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|
295 |
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|
296 default: |
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|
297 safe_status = 0; |
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|
298 break; |
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|
299 } |
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|
300 |
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|
301 h = conf->trailers->elts; |
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|
302 for (i = 0; i < conf->trailers->nelts; i++) { |
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|
303 |
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|
304 if (!safe_status && !h[i].always) { |
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Headers filter: added "add_trailer" directive.
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|
305 continue; |
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|
306 } |
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|
307 |
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|
308 if (ngx_http_complex_value(r, &h[i].value, &value) != NGX_OK) { |
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|
309 return NGX_ERROR; |
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|
310 } |
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|
311 |
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|
312 if (value.len) { |
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|
313 t = ngx_list_push(&r->headers_out.trailers); |
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changeset
|
314 if (t == NULL) { |
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|
315 return NGX_ERROR; |
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|
316 } |
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|
317 |
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|
318 t->key = h[i].key; |
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|
319 t->value = value; |
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|
320 t->hash = 1; |
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|
321 } |
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|
322 } |
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|
323 |
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changeset
|
324 return ngx_http_next_body_filter(r, in); |
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Headers filter: added "add_trailer" directive.
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|
325 } |
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|
326 |
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|
327 |
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changeset
|
328 static ngx_int_t |
1366
279210f24408
move "Expires" header code to a separate function
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diff
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|
329 ngx_http_set_expires(ngx_http_request_t *r, ngx_http_headers_conf_t *conf) |
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diff
changeset
|
330 { |
5942
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
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parents:
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diff
changeset
|
331 char *err; |
5941
36e61455a8f4
Headers filter: local variables for config, no functional changes.
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diff
changeset
|
332 size_t len; |
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Headers filter: local variables for config, no functional changes.
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diff
changeset
|
333 time_t now, expires_time, max_age; |
5942
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
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parents:
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diff
changeset
|
334 ngx_str_t value; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
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diff
changeset
|
335 ngx_int_t rc; |
8024
ef6a3a99a81a
Reworked multi headers to use linked lists.
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7199
diff
changeset
|
336 ngx_table_elt_t *e, *cc; |
5941
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Headers filter: local variables for config, no functional changes.
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diff
changeset
|
337 ngx_http_expires_t expires; |
1366
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diff
changeset
|
338 |
5941
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diff
changeset
|
339 expires = conf->expires; |
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diff
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|
340 expires_time = conf->expires_time; |
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Headers filter: local variables for config, no functional changes.
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diff
changeset
|
341 |
5942
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Headers filter: variables support in expires (ticket #113).
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diff
changeset
|
342 if (conf->expires_value != NULL) { |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
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parents:
5941
diff
changeset
|
343 |
4983f7d18fe3
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diff
changeset
|
344 if (ngx_http_complex_value(r, conf->expires_value, &value) != NGX_OK) { |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
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diff
changeset
|
345 return NGX_ERROR; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
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diff
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|
346 } |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
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diff
changeset
|
347 |
4983f7d18fe3
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parents:
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diff
changeset
|
348 rc = ngx_http_parse_expires(&value, &expires, &expires_time, &err); |
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Headers filter: variables support in expires (ticket #113).
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diff
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|
349 |
4983f7d18fe3
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diff
changeset
|
350 if (rc != NGX_OK) { |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
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diff
changeset
|
351 return NGX_OK; |
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5941
diff
changeset
|
352 } |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
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parents:
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diff
changeset
|
353 |
4983f7d18fe3
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parents:
5941
diff
changeset
|
354 if (expires == NGX_HTTP_EXPIRES_OFF) { |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
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diff
changeset
|
355 return NGX_OK; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
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diff
changeset
|
356 } |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
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5941
diff
changeset
|
357 } |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
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parents:
5941
diff
changeset
|
358 |
9306
e46e1ea89ccd
Upstream: $upstream_cache_age variable.
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parents:
8039
diff
changeset
|
359 if (r->headers_out.age) { |
e46e1ea89ccd
Upstream: $upstream_cache_age variable.
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diff
changeset
|
360 r->headers_out.age->hash = 0; |
e46e1ea89ccd
Upstream: $upstream_cache_age variable.
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parents:
8039
diff
changeset
|
361 r->headers_out.age = NULL; |
e46e1ea89ccd
Upstream: $upstream_cache_age variable.
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parents:
8039
diff
changeset
|
362 } |
e46e1ea89ccd
Upstream: $upstream_cache_age variable.
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parents:
8039
diff
changeset
|
363 |
5941
36e61455a8f4
Headers filter: local variables for config, no functional changes.
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parents:
5817
diff
changeset
|
364 e = r->headers_out.expires; |
1366
279210f24408
move "Expires" header code to a separate function
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parents:
1365
diff
changeset
|
365 |
5941
36e61455a8f4
Headers filter: local variables for config, no functional changes.
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diff
changeset
|
366 if (e == NULL) { |
1366
279210f24408
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parents:
1365
diff
changeset
|
367 |
5941
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Headers filter: local variables for config, no functional changes.
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368 e = ngx_list_push(&r->headers_out.headers); |
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Headers filter: local variables for config, no functional changes.
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369 if (e == NULL) { |
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370 return NGX_ERROR; |
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371 } |
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|
372 |
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373 r->headers_out.expires = e; |
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All known output headers can be linked lists now.
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|
374 e->next = NULL; |
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|
375 |
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376 e->hash = 1; |
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377 ngx_str_set(&e->key, "Expires"); |
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378 } |
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|
379 |
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|
380 len = sizeof("Mon, 28 Sep 1970 06:00:00 GMT"); |
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|
381 e->value.len = len - 1; |
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|
382 |
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Reworked multi headers to use linked lists.
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|
383 cc = r->headers_out.cache_control; |
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|
384 |
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Reworked multi headers to use linked lists.
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|
385 if (cc == NULL) { |
1366
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|
386 |
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|
387 cc = ngx_list_push(&r->headers_out.headers); |
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|
388 if (cc == NULL) { |
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Headers filter: improved memory allocation error handling.
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|
389 e->hash = 0; |
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|
390 return NGX_ERROR; |
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|
391 } |
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|
392 |
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Reworked multi headers to use linked lists.
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|
393 r->headers_out.cache_control = cc; |
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Reworked multi headers to use linked lists.
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|
394 cc->next = NULL; |
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Reworked multi headers to use linked lists.
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|
395 |
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|
396 cc->hash = 1; |
3516
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ngx_str_set() and ngx_str_null()
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|
397 ngx_str_set(&cc->key, "Cache-Control"); |
6986
0cdee26605f3
Cleaned up r->headers_out.headers allocation error handling.
Sergey Kandaurov <pluknet@nginx.com>
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diff
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|
398 |
8024
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Reworked multi headers to use linked lists.
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|
399 } else { |
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Reworked multi headers to use linked lists.
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|
400 for (cc = cc->next; cc; cc = cc->next) { |
ef6a3a99a81a
Reworked multi headers to use linked lists.
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|
401 cc->hash = 0; |
6986
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Cleaned up r->headers_out.headers allocation error handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
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diff
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|
402 } |
0cdee26605f3
Cleaned up r->headers_out.headers allocation error handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
6977
diff
changeset
|
403 |
8024
ef6a3a99a81a
Reworked multi headers to use linked lists.
Maxim Dounin <mdounin@mdounin.ru>
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diff
changeset
|
404 cc = r->headers_out.cache_control; |
ef6a3a99a81a
Reworked multi headers to use linked lists.
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changeset
|
405 cc->next = NULL; |
1366
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|
406 } |
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|
407 |
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Headers filter: local variables for config, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
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|
408 if (expires == NGX_HTTP_EXPIRES_EPOCH) { |
36e61455a8f4
Headers filter: local variables for config, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
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|
409 e->value.data = (u_char *) "Thu, 01 Jan 1970 00:00:01 GMT"; |
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
Igor Sysoev <igor@sysoev.ru>
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diff
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|
410 ngx_str_set(&cc->value, "no-cache"); |
1366
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|
411 return NGX_OK; |
279210f24408
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|
412 } |
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|
413 |
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Headers filter: local variables for config, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
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|
414 if (expires == NGX_HTTP_EXPIRES_MAX) { |
36e61455a8f4
Headers filter: local variables for config, no functional changes.
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|
415 e->value.data = (u_char *) "Thu, 31 Dec 2037 23:55:55 GMT"; |
1366
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|
416 /* 10 years */ |
3516
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ngx_str_set() and ngx_str_null()
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|
417 ngx_str_set(&cc->value, "max-age=315360000"); |
1366
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|
418 return NGX_OK; |
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|
419 } |
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|
420 |
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|
421 e->value.data = ngx_pnalloc(r->pool, len); |
36e61455a8f4
Headers filter: local variables for config, no functional changes.
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|
422 if (e->value.data == NULL) { |
8039
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Headers filter: improved memory allocation error handling.
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|
423 e->hash = 0; |
e64a1f32065b
Headers filter: improved memory allocation error handling.
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|
424 cc->hash = 0; |
1366
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|
425 return NGX_ERROR; |
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|
426 } |
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|
427 |
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|
428 if (expires_time == 0 && expires != NGX_HTTP_EXPIRES_DAILY) { |
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|
429 ngx_memcpy(e->value.data, ngx_cached_http_time.data, |
1366
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|
430 ngx_cached_http_time.len + 1); |
3516
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ngx_str_set() and ngx_str_null()
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|
431 ngx_str_set(&cc->value, "max-age=0"); |
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|
432 return NGX_OK; |
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|
433 } |
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|
434 |
2163 | 435 now = ngx_time(); |
436 | |
5941
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Headers filter: local variables for config, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
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diff
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|
437 if (expires == NGX_HTTP_EXPIRES_DAILY) { |
36e61455a8f4
Headers filter: local variables for config, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
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diff
changeset
|
438 expires_time = ngx_next_time(expires_time); |
4217
ebec73b935d3
Fixed "expires @time" with unknown last modified time (ticket #32).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4216
diff
changeset
|
439 max_age = expires_time - now; |
ebec73b935d3
Fixed "expires @time" with unknown last modified time (ticket #32).
Maxim Dounin <mdounin@mdounin.ru>
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diff
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|
440 |
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|
441 } else if (expires == NGX_HTTP_EXPIRES_ACCESS |
4217
ebec73b935d3
Fixed "expires @time" with unknown last modified time (ticket #32).
Maxim Dounin <mdounin@mdounin.ru>
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diff
changeset
|
442 || r->headers_out.last_modified_time == -1) |
2013 | 443 { |
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changeset
|
444 max_age = expires_time; |
36e61455a8f4
Headers filter: local variables for config, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
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diff
changeset
|
445 expires_time += now; |
2163 | 446 |
2013 | 447 } else { |
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diff
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|
448 expires_time += r->headers_out.last_modified_time; |
2163 | 449 max_age = expires_time - now; |
2013 | 450 } |
451 | |
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Headers filter: local variables for config, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
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diff
changeset
|
452 ngx_http_time(e->value.data, expires_time); |
2013 | 453 |
3405
6cc74c87c656
fix negative time in "Cache-Control" if "expires modified" sets time in the past
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
454 if (conf->expires_time < 0 || max_age < 0) { |
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
Igor Sysoev <igor@sysoev.ru>
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3405
diff
changeset
|
455 ngx_str_set(&cc->value, "no-cache"); |
1366
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|
456 return NGX_OK; |
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|
457 } |
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|
458 |
2049 | 459 cc->value.data = ngx_pnalloc(r->pool, |
460 sizeof("max-age=") + NGX_TIME_T_LEN + 1); | |
1366
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changeset
|
461 if (cc->value.data == NULL) { |
8039
e64a1f32065b
Headers filter: improved memory allocation error handling.
Maxim Dounin <mdounin@mdounin.ru>
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diff
changeset
|
462 cc->hash = 0; |
1366
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|
463 return NGX_ERROR; |
279210f24408
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diff
changeset
|
464 } |
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diff
changeset
|
465 |
2163 | 466 cc->value.len = ngx_sprintf(cc->value.data, "max-age=%T", max_age) |
1366
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changeset
|
467 - cc->value.data; |
279210f24408
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diff
changeset
|
468 |
279210f24408
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diff
changeset
|
469 return NGX_OK; |
279210f24408
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changeset
|
470 } |
279210f24408
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diff
changeset
|
471 |
279210f24408
move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
472 |
279210f24408
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Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
473 static ngx_int_t |
5942
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
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5941
diff
changeset
|
474 ngx_http_parse_expires(ngx_str_t *value, ngx_http_expires_t *expires, |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
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diff
changeset
|
475 time_t *expires_time, char **err) |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
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diff
changeset
|
476 { |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
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diff
changeset
|
477 ngx_uint_t minus; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
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5941
diff
changeset
|
478 |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
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5941
diff
changeset
|
479 if (*expires != NGX_HTTP_EXPIRES_MODIFIED) { |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
480 |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
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5941
diff
changeset
|
481 if (value->len == 5 && ngx_strncmp(value->data, "epoch", 5) == 0) { |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
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diff
changeset
|
482 *expires = NGX_HTTP_EXPIRES_EPOCH; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
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diff
changeset
|
483 return NGX_OK; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
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5941
diff
changeset
|
484 } |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
485 |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
486 if (value->len == 3 && ngx_strncmp(value->data, "max", 3) == 0) { |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
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5941
diff
changeset
|
487 *expires = NGX_HTTP_EXPIRES_MAX; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
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5941
diff
changeset
|
488 return NGX_OK; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
489 } |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
490 |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
491 if (value->len == 3 && ngx_strncmp(value->data, "off", 3) == 0) { |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
492 *expires = NGX_HTTP_EXPIRES_OFF; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
493 return NGX_OK; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
494 } |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
495 } |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
496 |
6062
173561dfd567
Fixed invalid access to complex value defined as an empty string.
Sergey Kandaurov <pluknet@nginx.com>
parents:
5942
diff
changeset
|
497 if (value->len && value->data[0] == '@') { |
5942
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
498 value->data++; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
499 value->len--; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
500 minus = 0; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
501 |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
502 if (*expires == NGX_HTTP_EXPIRES_MODIFIED) { |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
503 *err = "daily time cannot be used with \"modified\" parameter"; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
504 return NGX_ERROR; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
505 } |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
506 |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
507 *expires = NGX_HTTP_EXPIRES_DAILY; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
508 |
6062
173561dfd567
Fixed invalid access to complex value defined as an empty string.
Sergey Kandaurov <pluknet@nginx.com>
parents:
5942
diff
changeset
|
509 } else if (value->len && value->data[0] == '+') { |
5942
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
510 value->data++; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
511 value->len--; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
512 minus = 0; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
513 |
6062
173561dfd567
Fixed invalid access to complex value defined as an empty string.
Sergey Kandaurov <pluknet@nginx.com>
parents:
5942
diff
changeset
|
514 } else if (value->len && value->data[0] == '-') { |
5942
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
515 value->data++; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
516 value->len--; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
517 minus = 1; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
518 |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
519 } else { |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
520 minus = 0; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
521 } |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
522 |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
523 *expires_time = ngx_parse_time(value, 1); |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
524 |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
525 if (*expires_time == (time_t) NGX_ERROR) { |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
526 *err = "invalid value"; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
527 return NGX_ERROR; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
528 } |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
529 |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
530 if (*expires == NGX_HTTP_EXPIRES_DAILY |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
531 && *expires_time > 24 * 60 * 60) |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
532 { |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
533 *err = "daily time value must be less than 24 hours"; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
534 return NGX_ERROR; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
535 } |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
536 |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
537 if (minus) { |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
538 *expires_time = - *expires_time; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
539 } |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
540 |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
541 return NGX_OK; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
542 } |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
543 |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
544 |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
545 static ngx_int_t |
1363
b0e114fb3bdc
use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
546 ngx_http_add_header(ngx_http_request_t *r, ngx_http_header_val_t *hv, |
b0e114fb3bdc
use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
547 ngx_str_t *value) |
b0e114fb3bdc
use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
548 { |
b0e114fb3bdc
use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
549 ngx_table_elt_t *h; |
b0e114fb3bdc
use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
550 |
2406
008777fa59e0
do not add header if add_header ""
Igor Sysoev <igor@sysoev.ru>
parents:
2164
diff
changeset
|
551 if (value->len) { |
008777fa59e0
do not add header if add_header ""
Igor Sysoev <igor@sysoev.ru>
parents:
2164
diff
changeset
|
552 h = ngx_list_push(&r->headers_out.headers); |
008777fa59e0
do not add header if add_header ""
Igor Sysoev <igor@sysoev.ru>
parents:
2164
diff
changeset
|
553 if (h == NULL) { |
008777fa59e0
do not add header if add_header ""
Igor Sysoev <igor@sysoev.ru>
parents:
2164
diff
changeset
|
554 return NGX_ERROR; |
008777fa59e0
do not add header if add_header ""
Igor Sysoev <igor@sysoev.ru>
parents:
2164
diff
changeset
|
555 } |
008777fa59e0
do not add header if add_header ""
Igor Sysoev <igor@sysoev.ru>
parents:
2164
diff
changeset
|
556 |
4547
2577c27cbffd
Minor ngx_http_headers_filter_module.c code cleanup.
Ruslan Ermilov <ru@nginx.com>
parents:
4491
diff
changeset
|
557 h->hash = 1; |
2588
a6954ce88b80
use complex values in add_header, auth_basic_user_file,
Igor Sysoev <igor@sysoev.ru>
parents:
2406
diff
changeset
|
558 h->key = hv->key; |
2406
008777fa59e0
do not add header if add_header ""
Igor Sysoev <igor@sysoev.ru>
parents:
2164
diff
changeset
|
559 h->value = *value; |
1363
b0e114fb3bdc
use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
560 } |
b0e114fb3bdc
use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
561 |
b0e114fb3bdc
use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
562 return NGX_OK; |
b0e114fb3bdc
use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
563 } |
b0e114fb3bdc
use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
564 |
b0e114fb3bdc
use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
565 |
b0e114fb3bdc
use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
566 static ngx_int_t |
7199
6ba68ad8b24c
Basic support of the Link response header.
Ruslan Ermilov <ru@nginx.com>
parents:
7036
diff
changeset
|
567 ngx_http_add_multi_header_lines(ngx_http_request_t *r, |
6ba68ad8b24c
Basic support of the Link response header.
Ruslan Ermilov <ru@nginx.com>
parents:
7036
diff
changeset
|
568 ngx_http_header_val_t *hv, ngx_str_t *value) |
1365
d1dc7ef7c3ce
move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents:
1364
diff
changeset
|
569 { |
7199
6ba68ad8b24c
Basic support of the Link response header.
Ruslan Ermilov <ru@nginx.com>
parents:
7036
diff
changeset
|
570 ngx_table_elt_t *h, **ph; |
1365
d1dc7ef7c3ce
move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents:
1364
diff
changeset
|
571 |
5427
7ed23dcfea3d
Headers filter: empty Cache-Control is no longer added.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4975
diff
changeset
|
572 if (value->len == 0) { |
7ed23dcfea3d
Headers filter: empty Cache-Control is no longer added.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4975
diff
changeset
|
573 return NGX_OK; |
7ed23dcfea3d
Headers filter: empty Cache-Control is no longer added.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4975
diff
changeset
|
574 } |
7ed23dcfea3d
Headers filter: empty Cache-Control is no longer added.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4975
diff
changeset
|
575 |
7199
6ba68ad8b24c
Basic support of the Link response header.
Ruslan Ermilov <ru@nginx.com>
parents:
7036
diff
changeset
|
576 h = ngx_list_push(&r->headers_out.headers); |
6ba68ad8b24c
Basic support of the Link response header.
Ruslan Ermilov <ru@nginx.com>
parents:
7036
diff
changeset
|
577 if (h == NULL) { |
1365
d1dc7ef7c3ce
move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents:
1364
diff
changeset
|
578 return NGX_ERROR; |
d1dc7ef7c3ce
move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents:
1364
diff
changeset
|
579 } |
d1dc7ef7c3ce
move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents:
1364
diff
changeset
|
580 |
7199
6ba68ad8b24c
Basic support of the Link response header.
Ruslan Ermilov <ru@nginx.com>
parents:
7036
diff
changeset
|
581 h->hash = 1; |
6ba68ad8b24c
Basic support of the Link response header.
Ruslan Ermilov <ru@nginx.com>
parents:
7036
diff
changeset
|
582 h->key = hv->key; |
6ba68ad8b24c
Basic support of the Link response header.
Ruslan Ermilov <ru@nginx.com>
parents:
7036
diff
changeset
|
583 h->value = *value; |
1365
d1dc7ef7c3ce
move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents:
1364
diff
changeset
|
584 |
8024
ef6a3a99a81a
Reworked multi headers to use linked lists.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7199
diff
changeset
|
585 ph = (ngx_table_elt_t **) ((char *) &r->headers_out + hv->offset); |
ef6a3a99a81a
Reworked multi headers to use linked lists.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7199
diff
changeset
|
586 |
ef6a3a99a81a
Reworked multi headers to use linked lists.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7199
diff
changeset
|
587 while (*ph) { ph = &(*ph)->next; } |
6986
0cdee26605f3
Cleaned up r->headers_out.headers allocation error handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
6977
diff
changeset
|
588 |
7199
6ba68ad8b24c
Basic support of the Link response header.
Ruslan Ermilov <ru@nginx.com>
parents:
7036
diff
changeset
|
589 *ph = h; |
8024
ef6a3a99a81a
Reworked multi headers to use linked lists.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7199
diff
changeset
|
590 h->next = NULL; |
1365
d1dc7ef7c3ce
move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents:
1364
diff
changeset
|
591 |
d1dc7ef7c3ce
move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents:
1364
diff
changeset
|
592 return NGX_OK; |
d1dc7ef7c3ce
move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents:
1364
diff
changeset
|
593 } |
d1dc7ef7c3ce
move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents:
1364
diff
changeset
|
594 |
d1dc7ef7c3ce
move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents:
1364
diff
changeset
|
595 |
d1dc7ef7c3ce
move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents:
1364
diff
changeset
|
596 static ngx_int_t |
1363
b0e114fb3bdc
use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
597 ngx_http_set_last_modified(ngx_http_request_t *r, ngx_http_header_val_t *hv, |
b0e114fb3bdc
use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
598 ngx_str_t *value) |
b0e114fb3bdc
use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
599 { |
4974
9d9ee85db35d
Slightly optimized code that handles special headers in "add_header".
Ruslan Ermilov <ru@nginx.com>
parents:
4747
diff
changeset
|
600 if (ngx_http_set_response_header(r, hv, value) != NGX_OK) { |
4742
3cb5cf1e1439
Added Last-Modified parsing in add_header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4548
diff
changeset
|
601 return NGX_ERROR; |
3cb5cf1e1439
Added Last-Modified parsing in add_header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4548
diff
changeset
|
602 } |
1655 | 603 |
4974
9d9ee85db35d
Slightly optimized code that handles special headers in "add_header".
Ruslan Ermilov <ru@nginx.com>
parents:
4747
diff
changeset
|
604 r->headers_out.last_modified_time = |
6180
8b6fa4842133
Moved ngx_http_parse_time() to core, renamed accordingly.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6062
diff
changeset
|
605 (value->len) ? ngx_parse_http_time(value->data, value->len) : -1; |
1363
b0e114fb3bdc
use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
606 |
b0e114fb3bdc
use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
607 return NGX_OK; |
b0e114fb3bdc
use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
608 } |
b0e114fb3bdc
use header specific handler in add_handler,
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parents:
1107
diff
changeset
|
609 |
b0e114fb3bdc
use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
610 |
4747
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Entity tags: handling in add_header.
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|
611 static ngx_int_t |
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|
612 ngx_http_set_response_header(ngx_http_request_t *r, ngx_http_header_val_t *hv, |
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|
613 ngx_str_t *value) |
1e2ac45ad25d
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diff
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|
614 { |
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diff
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|
615 ngx_table_elt_t *h, **old; |
1e2ac45ad25d
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diff
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|
616 |
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|
617 old = (ngx_table_elt_t **) ((char *) &r->headers_out + hv->offset); |
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diff
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|
618 |
4974
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Slightly optimized code that handles special headers in "add_header".
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changeset
|
619 if (value->len == 0) { |
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|
620 if (*old) { |
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|
621 (*old)->hash = 0; |
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diff
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|
622 *old = NULL; |
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Slightly optimized code that handles special headers in "add_header".
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|
623 } |
4747
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diff
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|
624 |
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|
625 return NGX_OK; |
1e2ac45ad25d
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diff
changeset
|
626 } |
1e2ac45ad25d
Entity tags: handling in add_header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
627 |
4974
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parents:
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diff
changeset
|
628 if (*old) { |
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|
629 h = *old; |
9d9ee85db35d
Slightly optimized code that handles special headers in "add_header".
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diff
changeset
|
630 |
9d9ee85db35d
Slightly optimized code that handles special headers in "add_header".
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|
631 } else { |
9d9ee85db35d
Slightly optimized code that handles special headers in "add_header".
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diff
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|
632 h = ngx_list_push(&r->headers_out.headers); |
9d9ee85db35d
Slightly optimized code that handles special headers in "add_header".
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changeset
|
633 if (h == NULL) { |
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Slightly optimized code that handles special headers in "add_header".
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|
634 return NGX_ERROR; |
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|
635 } |
9d9ee85db35d
Slightly optimized code that handles special headers in "add_header".
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diff
changeset
|
636 |
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Slightly optimized code that handles special headers in "add_header".
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changeset
|
637 *old = h; |
8031
d26db4f82d7d
All known output headers can be linked lists now.
Maxim Dounin <mdounin@mdounin.ru>
parents:
8024
diff
changeset
|
638 h->next = NULL; |
4747
1e2ac45ad25d
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parents:
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diff
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|
639 } |
1e2ac45ad25d
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diff
changeset
|
640 |
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changeset
|
641 h->hash = 1; |
1e2ac45ad25d
Entity tags: handling in add_header.
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parents:
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diff
changeset
|
642 h->key = hv->key; |
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Entity tags: handling in add_header.
Maxim Dounin <mdounin@mdounin.ru>
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4742
diff
changeset
|
643 h->value = *value; |
1e2ac45ad25d
Entity tags: handling in add_header.
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diff
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|
644 |
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|
645 return NGX_OK; |
1e2ac45ad25d
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diff
changeset
|
646 } |
1e2ac45ad25d
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parents:
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diff
changeset
|
647 |
1e2ac45ad25d
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diff
changeset
|
648 |
501 | 649 static void * |
650 ngx_http_headers_create_conf(ngx_conf_t *cf) | |
577 | 651 { |
326
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diff
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|
652 ngx_http_headers_conf_t *conf; |
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parents:
diff
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|
653 |
573 | 654 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_headers_conf_t)); |
501 | 655 if (conf == NULL) { |
2912
c7d57b539248
return NULL instead of NGX_CONF_ERROR on a create conf failure
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|
656 return NULL; |
326
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diff
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|
657 } |
8733703a37f3
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parents:
diff
changeset
|
658 |
573 | 659 /* |
660 * set by ngx_pcalloc(): | |
661 * | |
662 * conf->headers = NULL; | |
7036
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
663 * conf->trailers = NULL; |
2013 | 664 * conf->expires_time = 0; |
5942
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Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
665 * conf->expires_value = NULL; |
573 | 666 */ |
667 | |
4547
2577c27cbffd
Minor ngx_http_headers_filter_module.c code cleanup.
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|
668 conf->expires = NGX_HTTP_EXPIRES_UNSET; |
326
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|
669 |
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parents:
diff
changeset
|
670 return conf; |
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parents:
diff
changeset
|
671 } |
8733703a37f3
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parents:
diff
changeset
|
672 |
8733703a37f3
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
673 |
501 | 674 static char * |
675 ngx_http_headers_merge_conf(ngx_conf_t *cf, void *parent, void *child) | |
326
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parents:
diff
changeset
|
676 { |
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
677 ngx_http_headers_conf_t *prev = parent; |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
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parents:
diff
changeset
|
678 ngx_http_headers_conf_t *conf = child; |
8733703a37f3
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parents:
diff
changeset
|
679 |
4547
2577c27cbffd
Minor ngx_http_headers_filter_module.c code cleanup.
Ruslan Ermilov <ru@nginx.com>
parents:
4491
diff
changeset
|
680 if (conf->expires == NGX_HTTP_EXPIRES_UNSET) { |
2013 | 681 conf->expires = prev->expires; |
682 conf->expires_time = prev->expires_time; | |
5942
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Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
683 conf->expires_value = prev->expires_value; |
2013 | 684 |
4547
2577c27cbffd
Minor ngx_http_headers_filter_module.c code cleanup.
Ruslan Ermilov <ru@nginx.com>
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4491
diff
changeset
|
685 if (conf->expires == NGX_HTTP_EXPIRES_UNSET) { |
2013 | 686 conf->expires = NGX_HTTP_EXPIRES_OFF; |
687 } | |
326
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parents:
diff
changeset
|
688 } |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
689 |
573 | 690 if (conf->headers == NULL) { |
691 conf->headers = prev->headers; | |
692 } | |
693 | |
7036
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
694 if (conf->trailers == NULL) { |
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
695 conf->trailers = prev->trailers; |
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
696 } |
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
697 |
326
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
698 return NGX_CONF_OK; |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
699 } |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
700 |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
701 |
681 | 702 static ngx_int_t |
703 ngx_http_headers_filter_init(ngx_conf_t *cf) | |
704 { | |
705 ngx_http_next_header_filter = ngx_http_top_header_filter; | |
706 ngx_http_top_header_filter = ngx_http_headers_filter; | |
707 | |
7036
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
708 ngx_http_next_body_filter = ngx_http_top_body_filter; |
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
709 ngx_http_top_body_filter = ngx_http_trailers_filter; |
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
710 |
681 | 711 return NGX_OK; |
712 } | |
713 | |
714 | |
501 | 715 static char * |
716 ngx_http_headers_expires(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
326
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
717 { |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
718 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
|
719 |
5942
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
720 char *err; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
721 ngx_str_t *value; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
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5941
diff
changeset
|
722 ngx_int_t rc; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
723 ngx_uint_t n; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
724 ngx_http_complex_value_t cv; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
725 ngx_http_compile_complex_value_t ccv; |
326
8733703a37f3
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
726 |
4547
2577c27cbffd
Minor ngx_http_headers_filter_module.c code cleanup.
Ruslan Ermilov <ru@nginx.com>
parents:
4491
diff
changeset
|
727 if (hcf->expires != NGX_HTTP_EXPIRES_UNSET) { |
326
8733703a37f3
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parents:
diff
changeset
|
728 return "is duplicate"; |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
729 } |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
730 |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
731 value = cf->args->elts; |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
732 |
2013 | 733 if (cf->args->nelts == 2) { |
734 | |
735 hcf->expires = NGX_HTTP_EXPIRES_ACCESS; | |
736 | |
737 n = 1; | |
738 | |
739 } else { /* cf->args->nelts == 3 */ | |
740 | |
741 if (ngx_strcmp(value[1].data, "modified") != 0) { | |
742 return "invalid value"; | |
743 } | |
744 | |
745 hcf->expires = NGX_HTTP_EXPIRES_MODIFIED; | |
746 | |
747 n = 2; | |
729 | 748 } |
749 | |
5942
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
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parents:
5941
diff
changeset
|
750 ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
751 |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
752 ccv.cf = cf; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
753 ccv.value = &value[n]; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
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parents:
5941
diff
changeset
|
754 ccv.complex_value = &cv; |
2163 | 755 |
5942
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
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parents:
5941
diff
changeset
|
756 if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
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parents:
5941
diff
changeset
|
757 return NGX_CONF_ERROR; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
758 } |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
759 |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
760 if (cv.lengths != NULL) { |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
761 |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
762 hcf->expires_value = ngx_palloc(cf->pool, |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
763 sizeof(ngx_http_complex_value_t)); |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
764 if (hcf->expires_value == NULL) { |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
765 return NGX_CONF_ERROR; |
2163 | 766 } |
767 | |
5942
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
768 *hcf->expires_value = cv; |
326
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
769 |
5942
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
770 return NGX_CONF_OK; |
326
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
771 } |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
772 |
5942
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
773 rc = ngx_http_parse_expires(&value[n], &hcf->expires, &hcf->expires_time, |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
774 &err); |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
775 if (rc != NGX_OK) { |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
776 return err; |
326
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
777 } |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
778 |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
779 return NGX_CONF_OK; |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
780 } |
573 | 781 |
782 | |
783 static char * | |
784 ngx_http_headers_add(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
785 { | |
786 ngx_http_headers_conf_t *hcf = conf; | |
787 | |
7036
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
788 ngx_str_t *value; |
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
789 ngx_uint_t i; |
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
790 ngx_array_t **headers; |
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
791 ngx_http_header_val_t *hv; |
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
792 ngx_http_set_header_t *set; |
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
793 ngx_http_compile_complex_value_t ccv; |
573 | 794 |
795 value = cf->args->elts; | |
796 | |
7036
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
797 headers = (ngx_array_t **) ((char *) hcf + cmd->offset); |
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
798 |
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
799 if (*headers == NULL) { |
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
800 *headers = ngx_array_create(cf->pool, 1, |
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
801 sizeof(ngx_http_header_val_t)); |
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
802 if (*headers == NULL) { |
573 | 803 return NGX_CONF_ERROR; |
804 } | |
805 } | |
806 | |
7036
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
807 hv = ngx_array_push(*headers); |
2588
a6954ce88b80
use complex values in add_header, auth_basic_user_file,
Igor Sysoev <igor@sysoev.ru>
parents:
2406
diff
changeset
|
808 if (hv == NULL) { |
573 | 809 return NGX_CONF_ERROR; |
810 } | |
811 | |
2588
a6954ce88b80
use complex values in add_header, auth_basic_user_file,
Igor Sysoev <igor@sysoev.ru>
parents:
2406
diff
changeset
|
812 hv->key = value[1]; |
7036
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
813 hv->handler = NULL; |
2588
a6954ce88b80
use complex values in add_header, auth_basic_user_file,
Igor Sysoev <igor@sysoev.ru>
parents:
2406
diff
changeset
|
814 hv->offset = 0; |
5817
74ffe03555d0
Headers filter: "add_header" with "always" parameter (ticket #98).
Sergey Kandaurov <pluknet@nginx.com>
parents:
5427
diff
changeset
|
815 hv->always = 0; |
625 | 816 |
7036
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
817 if (headers == &hcf->headers) { |
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
818 hv->handler = ngx_http_add_header; |
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
819 |
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
820 set = ngx_http_set_headers; |
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
821 for (i = 0; set[i].name.len; i++) { |
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
822 if (ngx_strcasecmp(value[1].data, set[i].name.data) != 0) { |
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
823 continue; |
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
824 } |
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
825 |
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
826 hv->offset = set[i].offset; |
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
827 hv->handler = set[i].handler; |
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
828 |
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
829 break; |
1363
b0e114fb3bdc
use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
830 } |
b0e114fb3bdc
use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
831 } |
b0e114fb3bdc
use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
832 |
2605
2a301c21256a
fix add_header Last-Modified "", broken in r2589
Igor Sysoev <igor@sysoev.ru>
parents:
2588
diff
changeset
|
833 if (value[2].len == 0) { |
2a301c21256a
fix add_header Last-Modified "", broken in r2589
Igor Sysoev <igor@sysoev.ru>
parents:
2588
diff
changeset
|
834 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
|
835 |
6405
5dfc63c1d9ca
Headers filter: fixed "add_header ... '' always".
Ruslan Ermilov <ru@nginx.com>
parents:
6180
diff
changeset
|
836 } else { |
5dfc63c1d9ca
Headers filter: fixed "add_header ... '' always".
Ruslan Ermilov <ru@nginx.com>
parents:
6180
diff
changeset
|
837 ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); |
625 | 838 |
6405
5dfc63c1d9ca
Headers filter: fixed "add_header ... '' always".
Ruslan Ermilov <ru@nginx.com>
parents:
6180
diff
changeset
|
839 ccv.cf = cf; |
5dfc63c1d9ca
Headers filter: fixed "add_header ... '' always".
Ruslan Ermilov <ru@nginx.com>
parents:
6180
diff
changeset
|
840 ccv.value = &value[2]; |
5dfc63c1d9ca
Headers filter: fixed "add_header ... '' always".
Ruslan Ermilov <ru@nginx.com>
parents:
6180
diff
changeset
|
841 ccv.complex_value = &hv->value; |
625 | 842 |
6405
5dfc63c1d9ca
Headers filter: fixed "add_header ... '' always".
Ruslan Ermilov <ru@nginx.com>
parents:
6180
diff
changeset
|
843 if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { |
5dfc63c1d9ca
Headers filter: fixed "add_header ... '' always".
Ruslan Ermilov <ru@nginx.com>
parents:
6180
diff
changeset
|
844 return NGX_CONF_ERROR; |
5dfc63c1d9ca
Headers filter: fixed "add_header ... '' always".
Ruslan Ermilov <ru@nginx.com>
parents:
6180
diff
changeset
|
845 } |
625 | 846 } |
573 | 847 |
5817
74ffe03555d0
Headers filter: "add_header" with "always" parameter (ticket #98).
Sergey Kandaurov <pluknet@nginx.com>
parents:
5427
diff
changeset
|
848 if (cf->args->nelts == 3) { |
74ffe03555d0
Headers filter: "add_header" with "always" parameter (ticket #98).
Sergey Kandaurov <pluknet@nginx.com>
parents:
5427
diff
changeset
|
849 return NGX_CONF_OK; |
74ffe03555d0
Headers filter: "add_header" with "always" parameter (ticket #98).
Sergey Kandaurov <pluknet@nginx.com>
parents:
5427
diff
changeset
|
850 } |
74ffe03555d0
Headers filter: "add_header" with "always" parameter (ticket #98).
Sergey Kandaurov <pluknet@nginx.com>
parents:
5427
diff
changeset
|
851 |
74ffe03555d0
Headers filter: "add_header" with "always" parameter (ticket #98).
Sergey Kandaurov <pluknet@nginx.com>
parents:
5427
diff
changeset
|
852 if (ngx_strcmp(value[3].data, "always") != 0) { |
74ffe03555d0
Headers filter: "add_header" with "always" parameter (ticket #98).
Sergey Kandaurov <pluknet@nginx.com>
parents:
5427
diff
changeset
|
853 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
74ffe03555d0
Headers filter: "add_header" with "always" parameter (ticket #98).
Sergey Kandaurov <pluknet@nginx.com>
parents:
5427
diff
changeset
|
854 "invalid parameter \"%V\"", &value[3]); |
74ffe03555d0
Headers filter: "add_header" with "always" parameter (ticket #98).
Sergey Kandaurov <pluknet@nginx.com>
parents:
5427
diff
changeset
|
855 return NGX_CONF_ERROR; |
74ffe03555d0
Headers filter: "add_header" with "always" parameter (ticket #98).
Sergey Kandaurov <pluknet@nginx.com>
parents:
5427
diff
changeset
|
856 } |
74ffe03555d0
Headers filter: "add_header" with "always" parameter (ticket #98).
Sergey Kandaurov <pluknet@nginx.com>
parents:
5427
diff
changeset
|
857 |
74ffe03555d0
Headers filter: "add_header" with "always" parameter (ticket #98).
Sergey Kandaurov <pluknet@nginx.com>
parents:
5427
diff
changeset
|
858 hv->always = 1; |
74ffe03555d0
Headers filter: "add_header" with "always" parameter (ticket #98).
Sergey Kandaurov <pluknet@nginx.com>
parents:
5427
diff
changeset
|
859 |
573 | 860 return NGX_CONF_OK; |
861 } |