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annotate src/http/modules/ngx_http_headers_filter_module.c @ 4974:9d9ee85db35d

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Slightly optimized code that handles special headers in "add_header".
author Ruslan Ermilov <ru@nginx.com>
date Wed, 19 Dec 2012 10:30:45 +0000
parents 1e2ac45ad25d
children 837d0a1bc31c
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 * Copyright (C) Nginx, Inc.
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5 */
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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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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);
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17
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18
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19 typedef struct {
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20 ngx_str_t name;
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21 ngx_uint_t offset;
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22 ngx_http_set_header_pt handler;
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23 } ngx_http_set_header_t;
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24
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25
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26 struct ngx_http_header_val_s {
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27 ngx_http_complex_value_t value;
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28 ngx_str_t key;
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29 ngx_http_set_header_pt handler;
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30 ngx_uint_t offset;
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31 };
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32
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33
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34 typedef enum {
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35 NGX_HTTP_EXPIRES_OFF,
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36 NGX_HTTP_EXPIRES_EPOCH,
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37 NGX_HTTP_EXPIRES_MAX,
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38 NGX_HTTP_EXPIRES_ACCESS,
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39 NGX_HTTP_EXPIRES_MODIFIED,
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40 NGX_HTTP_EXPIRES_DAILY,
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41 NGX_HTTP_EXPIRES_UNSET
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42 } ngx_http_expires_t;
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43
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44
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45 typedef struct {
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46 ngx_http_expires_t expires;
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47 time_t expires_time;
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48 ngx_array_t *headers;
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49 } ngx_http_headers_conf_t;
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50
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51
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52 static ngx_int_t ngx_http_set_expires(ngx_http_request_t *r,
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53 ngx_http_headers_conf_t *conf);
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54 static ngx_int_t ngx_http_add_cache_control(ngx_http_request_t *r,
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55 ngx_http_header_val_t *hv, ngx_str_t *value);
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56 static ngx_int_t ngx_http_add_header(ngx_http_request_t *r,
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57 ngx_http_header_val_t *hv, ngx_str_t *value);
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58 static ngx_int_t ngx_http_set_last_modified(ngx_http_request_t *r,
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59 ngx_http_header_val_t *hv, ngx_str_t *value);
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60 static ngx_int_t ngx_http_set_response_header(ngx_http_request_t *r,
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61 ngx_http_header_val_t *hv, ngx_str_t *value);
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62
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63 static void *ngx_http_headers_create_conf(ngx_conf_t *cf);
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64 static char *ngx_http_headers_merge_conf(ngx_conf_t *cf,
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65 void *parent, void *child);
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66 static ngx_int_t ngx_http_headers_filter_init(ngx_conf_t *cf);
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67 static char *ngx_http_headers_expires(ngx_conf_t *cf, ngx_command_t *cmd,
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68 void *conf);
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69 static char *ngx_http_headers_add(ngx_conf_t *cf, ngx_command_t *cmd,
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70 void *conf);
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71
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72
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73 static ngx_http_set_header_t ngx_http_set_headers[] = {
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74
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75 { ngx_string("Cache-Control"), 0, ngx_http_add_cache_control },
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76
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77 { ngx_string("Last-Modified"),
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78 offsetof(ngx_http_headers_out_t, last_modified),
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79 ngx_http_set_last_modified },
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80
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81 { ngx_string("ETag"),
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82 offsetof(ngx_http_headers_out_t, etag),
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83 ngx_http_set_response_header },
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84
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85 { ngx_null_string, 0, NULL }
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86 };
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87
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88
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89 static ngx_command_t ngx_http_headers_filter_commands[] = {
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90
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91 { ngx_string("expires"),
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92 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF
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93 |NGX_CONF_TAKE12,
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94 ngx_http_headers_expires,
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95 NGX_HTTP_LOC_CONF_OFFSET,
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96 0,
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97 NULL},
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98
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99 { ngx_string("add_header"),
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100 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF
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101 |NGX_CONF_TAKE2,
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102 ngx_http_headers_add,
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103 NGX_HTTP_LOC_CONF_OFFSET,
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104 0,
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105 NULL},
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106
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107 ngx_null_command
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108 };
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111 static ngx_http_module_t ngx_http_headers_filter_module_ctx = {
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112 NULL, /* preconfiguration */
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113 ngx_http_headers_filter_init, /* postconfiguration */
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114
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115 NULL, /* create main configuration */
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116 NULL, /* init main configuration */
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117
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118 NULL, /* create server configuration */
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119 NULL, /* merge server configuration */
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120
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121 ngx_http_headers_create_conf, /* create location configuration */
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122 ngx_http_headers_merge_conf /* merge location configuration */
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diff changeset
123 };
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
124
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
125
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
126 ngx_module_t ngx_http_headers_filter_module = {
509
9b8c906f6e63 nginx-0.1.29-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
127 NGX_MODULE_V1,
326
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
128 &ngx_http_headers_filter_module_ctx, /* module context */
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
129 ngx_http_headers_filter_commands, /* module directives */
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
130 NGX_HTTP_MODULE, /* module type */
541
b09ee85d0ac8 nginx-0.1.45-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 537
diff changeset
131 NULL, /* init master */
681
7e24168b0853 nginx-0.4.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 663
diff changeset
132 NULL, /* init module */
541
b09ee85d0ac8 nginx-0.1.45-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 537
diff changeset
133 NULL, /* init process */
b09ee85d0ac8 nginx-0.1.45-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 537
diff changeset
134 NULL, /* init thread */
b09ee85d0ac8 nginx-0.1.45-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 537
diff changeset
135 NULL, /* exit thread */
b09ee85d0ac8 nginx-0.1.45-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 537
diff changeset
136 NULL, /* exit process */
b09ee85d0ac8 nginx-0.1.45-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 537
diff changeset
137 NULL, /* exit master */
b09ee85d0ac8 nginx-0.1.45-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 537
diff changeset
138 NGX_MODULE_V1_PADDING
326
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
139 };
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
140
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
141
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
142 static ngx_http_output_header_filter_pt ngx_http_next_header_filter;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
143
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
144
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
145 static ngx_int_t
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
146 ngx_http_headers_filter(ngx_http_request_t *r)
326
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
147 {
1364
b7a8c9fe2337 style fix
Igor Sysoev <igor@sysoev.ru>
parents: 1363
diff changeset
148 ngx_str_t value;
509
9b8c906f6e63 nginx-0.1.29-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
149 ngx_uint_t i;
625
fbed40ce7cb4 nginx-0.3.34-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 597
diff changeset
150 ngx_http_header_val_t *h;
326
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
151 ngx_http_headers_conf_t *conf;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
152
1366
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
153 conf = ngx_http_get_module_loc_conf(r, ngx_http_headers_filter_module);
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
154
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
155 if ((conf->expires == NGX_HTTP_EXPIRES_OFF && conf->headers == NULL)
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
156 || r != r->main
663
6d5c1535bb9d nginx-0.3.53-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 625
diff changeset
157 || (r->headers_out.status != NGX_HTTP_OK
6d5c1535bb9d nginx-0.3.53-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 625
diff changeset
158 && r->headers_out.status != NGX_HTTP_NO_CONTENT
4314
4a07bad0e2c5 Allowed add_header for proxied 206 replies.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4217
diff changeset
159 && r->headers_out.status != NGX_HTTP_PARTIAL_CONTENT
663
6d5c1535bb9d nginx-0.3.53-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 625
diff changeset
160 && r->headers_out.status != NGX_HTTP_MOVED_PERMANENTLY
6d5c1535bb9d nginx-0.3.53-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 625
diff changeset
161 && r->headers_out.status != NGX_HTTP_MOVED_TEMPORARILY
4491
d11f86a16e3b Added support for the 307 Temporary Redirect.
Ruslan Ermilov <ru@nginx.com>
parents: 4474
diff changeset
162 && r->headers_out.status != NGX_HTTP_SEE_OTHER
d11f86a16e3b Added support for the 307 Temporary Redirect.
Ruslan Ermilov <ru@nginx.com>
parents: 4474
diff changeset
163 && r->headers_out.status != NGX_HTTP_NOT_MODIFIED
d11f86a16e3b Added support for the 307 Temporary Redirect.
Ruslan Ermilov <ru@nginx.com>
parents: 4474
diff changeset
164 && r->headers_out.status != NGX_HTTP_TEMPORARY_REDIRECT))
543
511a89da35ad nginx-0.2.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 541
diff changeset
165 {
326
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
166 return ngx_http_next_header_filter(r);
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
167 }
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
168
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
169 if (conf->expires != NGX_HTTP_EXPIRES_OFF) {
1366
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
170 if (ngx_http_set_expires(r, conf) != NGX_OK) {
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
171 return NGX_ERROR;
326
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
172 }
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
173 }
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
174
573
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
175 if (conf->headers) {
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
176 h = conf->headers->elts;
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
177 for (i = 0; i < conf->headers->nelts; i++) {
625
fbed40ce7cb4 nginx-0.3.34-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 597
diff changeset
178
2588
a6954ce88b80 use complex values in add_header, auth_basic_user_file,
Igor Sysoev <igor@sysoev.ru>
parents: 2406
diff changeset
179 if (ngx_http_complex_value(r, &h[i].value, &value) != NGX_OK) {
a6954ce88b80 use complex values in add_header, auth_basic_user_file,
Igor Sysoev <igor@sysoev.ru>
parents: 2406
diff changeset
180 return NGX_ERROR;
625
fbed40ce7cb4 nginx-0.3.34-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 597
diff changeset
181 }
fbed40ce7cb4 nginx-0.3.34-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 597
diff changeset
182
1363
b0e114fb3bdc use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents: 1107
diff changeset
183 if (h[i].handler(r, &h[i], &value) != NGX_OK) {
625
fbed40ce7cb4 nginx-0.3.34-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 597
diff changeset
184 return NGX_ERROR;
fbed40ce7cb4 nginx-0.3.34-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 597
diff changeset
185 }
573
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
186 }
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
187 }
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
188
326
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
189 return ngx_http_next_header_filter(r);
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
190 }
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
191
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
192
1363
b0e114fb3bdc use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents: 1107
diff changeset
193 static ngx_int_t
1366
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
194 ngx_http_set_expires(ngx_http_request_t *r, ngx_http_headers_conf_t *conf)
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
195 {
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
196 size_t len;
2163
3e8a4d057b77 expires daily time
Igor Sysoev <igor@sysoev.ru>
parents: 2049
diff changeset
197 time_t now, expires_time, max_age;
1366
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
198 ngx_uint_t i;
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
199 ngx_table_elt_t *expires, *cc, **ccp;
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
200
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
201 expires = r->headers_out.expires;
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
202
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
203 if (expires == NULL) {
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
204
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
205 expires = ngx_list_push(&r->headers_out.headers);
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
206 if (expires == NULL) {
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
207 return NGX_ERROR;
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
208 }
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
209
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
210 r->headers_out.expires = expires;
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
211
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
212 expires->hash = 1;
3516
dd1570b6f237 ngx_str_set() and ngx_str_null()
Igor Sysoev <igor@sysoev.ru>
parents: 3405
diff changeset
213 ngx_str_set(&expires->key, "Expires");
1366
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
214 }
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
215
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
216 len = sizeof("Mon, 28 Sep 1970 06:00:00 GMT");
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
217 expires->value.len = len - 1;
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
218
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
219 ccp = r->headers_out.cache_control.elts;
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
220
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
221 if (ccp == NULL) {
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
222
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
223 if (ngx_array_init(&r->headers_out.cache_control, r->pool,
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
224 1, sizeof(ngx_table_elt_t *))
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
225 != NGX_OK)
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
226 {
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
227 return NGX_ERROR;
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
228 }
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
229
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
230 ccp = ngx_array_push(&r->headers_out.cache_control);
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
231 if (ccp == NULL) {
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
232 return NGX_ERROR;
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
233 }
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
234
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
235 cc = ngx_list_push(&r->headers_out.headers);
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
236 if (cc == NULL) {
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
237 return NGX_ERROR;
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
238 }
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
239
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
240 cc->hash = 1;
3516
dd1570b6f237 ngx_str_set() and ngx_str_null()
Igor Sysoev <igor@sysoev.ru>
parents: 3405
diff changeset
241 ngx_str_set(&cc->key, "Cache-Control");
1366
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
242 *ccp = cc;
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
243
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
244 } else {
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
245 for (i = 1; i < r->headers_out.cache_control.nelts; i++) {
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
246 ccp[i]->hash = 0;
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
247 }
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
248
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
249 cc = ccp[0];
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
250 }
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
251
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
252 if (conf->expires == NGX_HTTP_EXPIRES_EPOCH) {
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
253 expires->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>
parents: 3405
diff changeset
254 ngx_str_set(&cc->value, "no-cache");
1366
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
255 return NGX_OK;
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
256 }
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
257
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
258 if (conf->expires == NGX_HTTP_EXPIRES_MAX) {
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
259 expires->value.data = (u_char *) "Thu, 31 Dec 2037 23:55:55 GMT";
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
260 /* 10 years */
3516
dd1570b6f237 ngx_str_set() and ngx_str_null()
Igor Sysoev <igor@sysoev.ru>
parents: 3405
diff changeset
261 ngx_str_set(&cc->value, "max-age=315360000");
1366
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
262 return NGX_OK;
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
263 }
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
264
2049
2a92804f4109 *) back out r2040
Igor Sysoev <igor@sysoev.ru>
parents: 2013
diff changeset
265 expires->value.data = ngx_pnalloc(r->pool, len);
1366
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
266 if (expires->value.data == NULL) {
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
267 return NGX_ERROR;
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
268 }
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
269
4216
ecf4608c2783 Fixed "expires @00h".
Maxim Dounin <mdounin@mdounin.ru>
parents: 4133
diff changeset
270 if (conf->expires_time == 0 && conf->expires != NGX_HTTP_EXPIRES_DAILY) {
1366
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
271 ngx_memcpy(expires->value.data, ngx_cached_http_time.data,
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
272 ngx_cached_http_time.len + 1);
3516
dd1570b6f237 ngx_str_set() and ngx_str_null()
Igor Sysoev <igor@sysoev.ru>
parents: 3405
diff changeset
273 ngx_str_set(&cc->value, "max-age=0");
1366
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
274 return NGX_OK;
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
275 }
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
276
2163
3e8a4d057b77 expires daily time
Igor Sysoev <igor@sysoev.ru>
parents: 2049
diff changeset
277 now = ngx_time();
3e8a4d057b77 expires daily time
Igor Sysoev <igor@sysoev.ru>
parents: 2049
diff changeset
278
4217
ebec73b935d3 Fixed "expires @time" with unknown last modified time (ticket #32).
Maxim Dounin <mdounin@mdounin.ru>
parents: 4216
diff changeset
279 if (conf->expires == NGX_HTTP_EXPIRES_DAILY) {
ebec73b935d3 Fixed "expires @time" with unknown last modified time (ticket #32).
Maxim Dounin <mdounin@mdounin.ru>
parents: 4216
diff changeset
280 expires_time = ngx_next_time(conf->expires_time);
ebec73b935d3 Fixed "expires @time" with unknown last modified time (ticket #32).
Maxim Dounin <mdounin@mdounin.ru>
parents: 4216
diff changeset
281 max_age = expires_time - now;
ebec73b935d3 Fixed "expires @time" with unknown last modified time (ticket #32).
Maxim Dounin <mdounin@mdounin.ru>
parents: 4216
diff changeset
282
ebec73b935d3 Fixed "expires @time" with unknown last modified time (ticket #32).
Maxim Dounin <mdounin@mdounin.ru>
parents: 4216
diff changeset
283 } else if (conf->expires == NGX_HTTP_EXPIRES_ACCESS
ebec73b935d3 Fixed "expires @time" with unknown last modified time (ticket #32).
Maxim Dounin <mdounin@mdounin.ru>
parents: 4216
diff changeset
284 || r->headers_out.last_modified_time == -1)
2013
4c685f02a5a0 expires modified
Igor Sysoev <igor@sysoev.ru>
parents: 1655
diff changeset
285 {
2163
3e8a4d057b77 expires daily time
Igor Sysoev <igor@sysoev.ru>
parents: 2049
diff changeset
286 expires_time = now + conf->expires_time;
3e8a4d057b77 expires daily time
Igor Sysoev <igor@sysoev.ru>
parents: 2049
diff changeset
287 max_age = conf->expires_time;
3e8a4d057b77 expires daily time
Igor Sysoev <igor@sysoev.ru>
parents: 2049
diff changeset
288
2013
4c685f02a5a0 expires modified
Igor Sysoev <igor@sysoev.ru>
parents: 1655
diff changeset
289 } else {
2163
3e8a4d057b77 expires daily time
Igor Sysoev <igor@sysoev.ru>
parents: 2049
diff changeset
290 expires_time = r->headers_out.last_modified_time + conf->expires_time;
3e8a4d057b77 expires daily time
Igor Sysoev <igor@sysoev.ru>
parents: 2049
diff changeset
291 max_age = expires_time - now;
2013
4c685f02a5a0 expires modified
Igor Sysoev <igor@sysoev.ru>
parents: 1655
diff changeset
292 }
4c685f02a5a0 expires modified
Igor Sysoev <igor@sysoev.ru>
parents: 1655
diff changeset
293
2163
3e8a4d057b77 expires daily time
Igor Sysoev <igor@sysoev.ru>
parents: 2049
diff changeset
294 ngx_http_time(expires->value.data, expires_time);
2013
4c685f02a5a0 expires modified
Igor Sysoev <igor@sysoev.ru>
parents: 1655
diff changeset
295
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
296 if (conf->expires_time < 0 || max_age < 0) {
3516
dd1570b6f237 ngx_str_set() and ngx_str_null()
Igor Sysoev <igor@sysoev.ru>
parents: 3405
diff changeset
297 ngx_str_set(&cc->value, "no-cache");
1366
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
298 return NGX_OK;
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
299 }
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
300
2049
2a92804f4109 *) back out r2040
Igor Sysoev <igor@sysoev.ru>
parents: 2013
diff changeset
301 cc->value.data = ngx_pnalloc(r->pool,
2a92804f4109 *) back out r2040
Igor Sysoev <igor@sysoev.ru>
parents: 2013
diff changeset
302 sizeof("max-age=") + NGX_TIME_T_LEN + 1);
1366
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
303 if (cc->value.data == NULL) {
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
304 return NGX_ERROR;
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
305 }
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
306
2163
3e8a4d057b77 expires daily time
Igor Sysoev <igor@sysoev.ru>
parents: 2049
diff changeset
307 cc->value.len = ngx_sprintf(cc->value.data, "max-age=%T", max_age)
1366
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
308 - cc->value.data;
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
309
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
310 return NGX_OK;
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
311 }
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
312
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
313
279210f24408 move "Expires" header code to a separate function
Igor Sysoev <igor@sysoev.ru>
parents: 1365
diff changeset
314 static ngx_int_t
1363
b0e114fb3bdc use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents: 1107
diff changeset
315 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
316 ngx_str_t *value)
b0e114fb3bdc use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents: 1107
diff changeset
317 {
b0e114fb3bdc use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents: 1107
diff changeset
318 ngx_table_elt_t *h;
b0e114fb3bdc use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents: 1107
diff changeset
319
2406
008777fa59e0 do not add header if add_header ""
Igor Sysoev <igor@sysoev.ru>
parents: 2164
diff changeset
320 if (value->len) {
008777fa59e0 do not add header if add_header ""
Igor Sysoev <igor@sysoev.ru>
parents: 2164
diff changeset
321 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
322 if (h == NULL) {
008777fa59e0 do not add header if add_header ""
Igor Sysoev <igor@sysoev.ru>
parents: 2164
diff changeset
323 return NGX_ERROR;
008777fa59e0 do not add header if add_header ""
Igor Sysoev <igor@sysoev.ru>
parents: 2164
diff changeset
324 }
008777fa59e0 do not add header if add_header ""
Igor Sysoev <igor@sysoev.ru>
parents: 2164
diff changeset
325
4547
2577c27cbffd Minor ngx_http_headers_filter_module.c code cleanup.
Ruslan Ermilov <ru@nginx.com>
parents: 4491
diff changeset
326 h->hash = 1;
2588
a6954ce88b80 use complex values in add_header, auth_basic_user_file,
Igor Sysoev <igor@sysoev.ru>
parents: 2406
diff changeset
327 h->key = hv->key;
2406
008777fa59e0 do not add header if add_header ""
Igor Sysoev <igor@sysoev.ru>
parents: 2164
diff changeset
328 h->value = *value;
1363
b0e114fb3bdc use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents: 1107
diff changeset
329 }
b0e114fb3bdc use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents: 1107
diff changeset
330
b0e114fb3bdc use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents: 1107
diff changeset
331 return NGX_OK;
b0e114fb3bdc use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents: 1107
diff changeset
332 }
b0e114fb3bdc use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents: 1107
diff changeset
333
b0e114fb3bdc use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents: 1107
diff changeset
334
b0e114fb3bdc use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents: 1107
diff changeset
335 static ngx_int_t
1365
d1dc7ef7c3ce move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents: 1364
diff changeset
336 ngx_http_add_cache_control(ngx_http_request_t *r, ngx_http_header_val_t *hv,
d1dc7ef7c3ce move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents: 1364
diff changeset
337 ngx_str_t *value)
d1dc7ef7c3ce move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents: 1364
diff changeset
338 {
d1dc7ef7c3ce move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents: 1364
diff changeset
339 ngx_table_elt_t *cc, **ccp;
d1dc7ef7c3ce move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents: 1364
diff changeset
340
d1dc7ef7c3ce move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents: 1364
diff changeset
341 ccp = r->headers_out.cache_control.elts;
d1dc7ef7c3ce move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents: 1364
diff changeset
342
d1dc7ef7c3ce move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents: 1364
diff changeset
343 if (ccp == NULL) {
d1dc7ef7c3ce move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents: 1364
diff changeset
344
d1dc7ef7c3ce move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents: 1364
diff changeset
345 if (ngx_array_init(&r->headers_out.cache_control, r->pool,
d1dc7ef7c3ce move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents: 1364
diff changeset
346 1, sizeof(ngx_table_elt_t *))
d1dc7ef7c3ce move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents: 1364
diff changeset
347 != NGX_OK)
d1dc7ef7c3ce move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents: 1364
diff changeset
348 {
d1dc7ef7c3ce move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents: 1364
diff changeset
349 return NGX_ERROR;
d1dc7ef7c3ce move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents: 1364
diff changeset
350 }
d1dc7ef7c3ce move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents: 1364
diff changeset
351 }
d1dc7ef7c3ce move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents: 1364
diff changeset
352
d1dc7ef7c3ce move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents: 1364
diff changeset
353 ccp = ngx_array_push(&r->headers_out.cache_control);
d1dc7ef7c3ce move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents: 1364
diff changeset
354 if (ccp == NULL) {
d1dc7ef7c3ce move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents: 1364
diff changeset
355 return NGX_ERROR;
d1dc7ef7c3ce move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents: 1364
diff changeset
356 }
d1dc7ef7c3ce move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents: 1364
diff changeset
357
d1dc7ef7c3ce move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents: 1364
diff changeset
358 cc = ngx_list_push(&r->headers_out.headers);
d1dc7ef7c3ce move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents: 1364
diff changeset
359 if (cc == NULL) {
d1dc7ef7c3ce move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents: 1364
diff changeset
360 return NGX_ERROR;
d1dc7ef7c3ce move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents: 1364
diff changeset
361 }
d1dc7ef7c3ce move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents: 1364
diff changeset
362
d1dc7ef7c3ce move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents: 1364
diff changeset
363 cc->hash = 1;
3516
dd1570b6f237 ngx_str_set() and ngx_str_null()
Igor Sysoev <igor@sysoev.ru>
parents: 3405
diff changeset
364 ngx_str_set(&cc->key, "Cache-Control");
1365
d1dc7ef7c3ce move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents: 1364
diff changeset
365 cc->value = *value;
d1dc7ef7c3ce move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents: 1364
diff changeset
366
d1dc7ef7c3ce move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents: 1364
diff changeset
367 *ccp = cc;
d1dc7ef7c3ce move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents: 1364
diff changeset
368
d1dc7ef7c3ce move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents: 1364
diff changeset
369 return NGX_OK;
d1dc7ef7c3ce move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents: 1364
diff changeset
370 }
d1dc7ef7c3ce move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents: 1364
diff changeset
371
d1dc7ef7c3ce move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents: 1364
diff changeset
372
d1dc7ef7c3ce move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents: 1364
diff changeset
373 static ngx_int_t
1363
b0e114fb3bdc use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents: 1107
diff changeset
374 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
375 ngx_str_t *value)
b0e114fb3bdc use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents: 1107
diff changeset
376 {
4974
9d9ee85db35d Slightly optimized code that handles special headers in "add_header".
Ruslan Ermilov <ru@nginx.com>
parents: 4747
diff changeset
377 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
378 return NGX_ERROR;
3cb5cf1e1439 Added Last-Modified parsing in add_header.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4548
diff changeset
379 }
1655
b318cdca3aac add_header last-modified ""
Igor Sysoev <igor@sysoev.ru>
parents: 1366
diff changeset
380
4974
9d9ee85db35d Slightly optimized code that handles special headers in "add_header".
Ruslan Ermilov <ru@nginx.com>
parents: 4747
diff changeset
381 r->headers_out.last_modified_time =
9d9ee85db35d Slightly optimized code that handles special headers in "add_header".
Ruslan Ermilov <ru@nginx.com>
parents: 4747
diff changeset
382 (value->len) ? ngx_http_parse_time(value->data, value->len) : -1;
1363
b0e114fb3bdc use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents: 1107
diff changeset
383
b0e114fb3bdc use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents: 1107
diff changeset
384 return NGX_OK;
b0e114fb3bdc use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents: 1107
diff changeset
385 }
b0e114fb3bdc use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents: 1107
diff changeset
386
b0e114fb3bdc use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents: 1107
diff changeset
387
4747
1e2ac45ad25d Entity tags: handling in add_header.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4742
diff changeset
388 static ngx_int_t
1e2ac45ad25d Entity tags: handling in add_header.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4742
diff changeset
389 ngx_http_set_response_header(ngx_http_request_t *r, ngx_http_header_val_t *hv,
1e2ac45ad25d Entity tags: handling in add_header.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4742
diff changeset
390 ngx_str_t *value)
1e2ac45ad25d Entity tags: handling in add_header.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4742
diff changeset
391 {
1e2ac45ad25d Entity tags: handling in add_header.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4742
diff changeset
392 ngx_table_elt_t *h, **old;
1e2ac45ad25d Entity tags: handling in add_header.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4742
diff changeset
393
1e2ac45ad25d Entity tags: handling in add_header.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4742
diff changeset
394 old = (ngx_table_elt_t **) ((char *) &r->headers_out + hv->offset);
1e2ac45ad25d Entity tags: handling in add_header.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4742
diff changeset
395
4974
9d9ee85db35d Slightly optimized code that handles special headers in "add_header".
Ruslan Ermilov <ru@nginx.com>
parents: 4747
diff changeset
396 if (value->len == 0) {
9d9ee85db35d Slightly optimized code that handles special headers in "add_header".
Ruslan Ermilov <ru@nginx.com>
parents: 4747
diff changeset
397 if (*old) {
9d9ee85db35d Slightly optimized code that handles special headers in "add_header".
Ruslan Ermilov <ru@nginx.com>
parents: 4747
diff changeset
398 (*old)->hash = 0;
9d9ee85db35d Slightly optimized code that handles special headers in "add_header".
Ruslan Ermilov <ru@nginx.com>
parents: 4747
diff changeset
399 *old = NULL;
9d9ee85db35d Slightly optimized code that handles special headers in "add_header".
Ruslan Ermilov <ru@nginx.com>
parents: 4747
diff changeset
400 }
4747
1e2ac45ad25d Entity tags: handling in add_header.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4742
diff changeset
401
1e2ac45ad25d Entity tags: handling in add_header.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4742
diff changeset
402 return NGX_OK;
1e2ac45ad25d Entity tags: handling in add_header.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4742
diff changeset
403 }
1e2ac45ad25d Entity tags: handling in add_header.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4742
diff changeset
404
4974
9d9ee85db35d Slightly optimized code that handles special headers in "add_header".
Ruslan Ermilov <ru@nginx.com>
parents: 4747
diff changeset
405 if (*old) {
9d9ee85db35d Slightly optimized code that handles special headers in "add_header".
Ruslan Ermilov <ru@nginx.com>
parents: 4747
diff changeset
406 h = *old;
9d9ee85db35d Slightly optimized code that handles special headers in "add_header".
Ruslan Ermilov <ru@nginx.com>
parents: 4747
diff changeset
407
9d9ee85db35d Slightly optimized code that handles special headers in "add_header".
Ruslan Ermilov <ru@nginx.com>
parents: 4747
diff changeset
408 } else {
9d9ee85db35d Slightly optimized code that handles special headers in "add_header".
Ruslan Ermilov <ru@nginx.com>
parents: 4747
diff changeset
409 h = ngx_list_push(&r->headers_out.headers);
9d9ee85db35d Slightly optimized code that handles special headers in "add_header".
Ruslan Ermilov <ru@nginx.com>
parents: 4747
diff changeset
410 if (h == NULL) {
9d9ee85db35d Slightly optimized code that handles special headers in "add_header".
Ruslan Ermilov <ru@nginx.com>
parents: 4747
diff changeset
411 return NGX_ERROR;
9d9ee85db35d Slightly optimized code that handles special headers in "add_header".
Ruslan Ermilov <ru@nginx.com>
parents: 4747
diff changeset
412 }
9d9ee85db35d Slightly optimized code that handles special headers in "add_header".
Ruslan Ermilov <ru@nginx.com>
parents: 4747
diff changeset
413
9d9ee85db35d Slightly optimized code that handles special headers in "add_header".
Ruslan Ermilov <ru@nginx.com>
parents: 4747
diff changeset
414 *old = h;
4747
1e2ac45ad25d Entity tags: handling in add_header.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4742
diff changeset
415 }
1e2ac45ad25d Entity tags: handling in add_header.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4742
diff changeset
416
1e2ac45ad25d Entity tags: handling in add_header.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4742
diff changeset
417 h->hash = 1;
1e2ac45ad25d Entity tags: handling in add_header.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4742
diff changeset
418 h->key = hv->key;
1e2ac45ad25d Entity tags: handling in add_header.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4742
diff changeset
419 h->value = *value;
1e2ac45ad25d Entity tags: handling in add_header.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4742
diff changeset
420
1e2ac45ad25d Entity tags: handling in add_header.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4742
diff changeset
421 return NGX_OK;
1e2ac45ad25d Entity tags: handling in add_header.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4742
diff changeset
422 }
1e2ac45ad25d Entity tags: handling in add_header.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4742
diff changeset
423
1e2ac45ad25d Entity tags: handling in add_header.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4742
diff changeset
424
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
425 static void *
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
426 ngx_http_headers_create_conf(ngx_conf_t *cf)
577
4d9ea73a627a nginx-0.3.10-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 573
diff changeset
427 {
326
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
428 ngx_http_headers_conf_t *conf;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
429
573
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
430 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_headers_conf_t));
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
431 if (conf == NULL) {
2912
c7d57b539248 return NULL instead of NGX_CONF_ERROR on a create conf failure
Igor Sysoev <igor@sysoev.ru>
parents: 2605
diff changeset
432 return NULL;
326
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
433 }
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
434
573
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
435 /*
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
436 * set by ngx_pcalloc():
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
437 *
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
438 * conf->headers = NULL;
2013
4c685f02a5a0 expires modified
Igor Sysoev <igor@sysoev.ru>
parents: 1655
diff changeset
439 * conf->expires_time = 0;
573
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
440 */
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
441
4547
2577c27cbffd Minor ngx_http_headers_filter_module.c code cleanup.
Ruslan Ermilov <ru@nginx.com>
parents: 4491
diff changeset
442 conf->expires = NGX_HTTP_EXPIRES_UNSET;
326
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
443
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
444 return conf;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
445 }
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
446
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
447
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
448 static char *
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
449 ngx_http_headers_merge_conf(ngx_conf_t *cf, void *parent, void *child)
326
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
450 {
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
451 ngx_http_headers_conf_t *prev = parent;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
452 ngx_http_headers_conf_t *conf = child;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
453
4547
2577c27cbffd Minor ngx_http_headers_filter_module.c code cleanup.
Ruslan Ermilov <ru@nginx.com>
parents: 4491
diff changeset
454 if (conf->expires == NGX_HTTP_EXPIRES_UNSET) {
2013
4c685f02a5a0 expires modified
Igor Sysoev <igor@sysoev.ru>
parents: 1655
diff changeset
455 conf->expires = prev->expires;
4c685f02a5a0 expires modified
Igor Sysoev <igor@sysoev.ru>
parents: 1655
diff changeset
456 conf->expires_time = prev->expires_time;
4c685f02a5a0 expires modified
Igor Sysoev <igor@sysoev.ru>
parents: 1655
diff changeset
457
4547
2577c27cbffd Minor ngx_http_headers_filter_module.c code cleanup.
Ruslan Ermilov <ru@nginx.com>
parents: 4491
diff changeset
458 if (conf->expires == NGX_HTTP_EXPIRES_UNSET) {
2013
4c685f02a5a0 expires modified
Igor Sysoev <igor@sysoev.ru>
parents: 1655
diff changeset
459 conf->expires = NGX_HTTP_EXPIRES_OFF;
4c685f02a5a0 expires modified
Igor Sysoev <igor@sysoev.ru>
parents: 1655
diff changeset
460 }
326
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
461 }
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
462
573
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
463 if (conf->headers == NULL) {
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
464 conf->headers = prev->headers;
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
465 }
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
466
326
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
467 return NGX_CONF_OK;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
468 }
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
469
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
470
681
7e24168b0853 nginx-0.4.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 663
diff changeset
471 static ngx_int_t
7e24168b0853 nginx-0.4.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 663
diff changeset
472 ngx_http_headers_filter_init(ngx_conf_t *cf)
7e24168b0853 nginx-0.4.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 663
diff changeset
473 {
7e24168b0853 nginx-0.4.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 663
diff changeset
474 ngx_http_next_header_filter = ngx_http_top_header_filter;
7e24168b0853 nginx-0.4.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 663
diff changeset
475 ngx_http_top_header_filter = ngx_http_headers_filter;
7e24168b0853 nginx-0.4.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 663
diff changeset
476
7e24168b0853 nginx-0.4.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 663
diff changeset
477 return NGX_OK;
7e24168b0853 nginx-0.4.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 663
diff changeset
478 }
7e24168b0853 nginx-0.4.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 663
diff changeset
479
7e24168b0853 nginx-0.4.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 663
diff changeset
480
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
481 static char *
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
482 ngx_http_headers_expires(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
326
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
483 {
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
484 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
485
2013
4c685f02a5a0 expires modified
Igor Sysoev <igor@sysoev.ru>
parents: 1655
diff changeset
486 ngx_uint_t minus, n;
326
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
487 ngx_str_t *value;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
488
4547
2577c27cbffd Minor ngx_http_headers_filter_module.c code cleanup.
Ruslan Ermilov <ru@nginx.com>
parents: 4491
diff changeset
489 if (hcf->expires != NGX_HTTP_EXPIRES_UNSET) {
326
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
490 return "is duplicate";
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
491 }
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
492
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
493 value = cf->args->elts;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
494
2013
4c685f02a5a0 expires modified
Igor Sysoev <igor@sysoev.ru>
parents: 1655
diff changeset
495 if (cf->args->nelts == 2) {
4c685f02a5a0 expires modified
Igor Sysoev <igor@sysoev.ru>
parents: 1655
diff changeset
496
4c685f02a5a0 expires modified
Igor Sysoev <igor@sysoev.ru>
parents: 1655
diff changeset
497 if (ngx_strcmp(value[1].data, "epoch") == 0) {
4c685f02a5a0 expires modified
Igor Sysoev <igor@sysoev.ru>
parents: 1655
diff changeset
498 hcf->expires = NGX_HTTP_EXPIRES_EPOCH;
4c685f02a5a0 expires modified
Igor Sysoev <igor@sysoev.ru>
parents: 1655
diff changeset
499 return NGX_CONF_OK;
4c685f02a5a0 expires modified
Igor Sysoev <igor@sysoev.ru>
parents: 1655
diff changeset
500 }
4c685f02a5a0 expires modified
Igor Sysoev <igor@sysoev.ru>
parents: 1655
diff changeset
501
4c685f02a5a0 expires modified
Igor Sysoev <igor@sysoev.ru>
parents: 1655
diff changeset
502 if (ngx_strcmp(value[1].data, "max") == 0) {
4c685f02a5a0 expires modified
Igor Sysoev <igor@sysoev.ru>
parents: 1655
diff changeset
503 hcf->expires = NGX_HTTP_EXPIRES_MAX;
4c685f02a5a0 expires modified
Igor Sysoev <igor@sysoev.ru>
parents: 1655
diff changeset
504 return NGX_CONF_OK;
4c685f02a5a0 expires modified
Igor Sysoev <igor@sysoev.ru>
parents: 1655
diff changeset
505 }
326
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
506
2013
4c685f02a5a0 expires modified
Igor Sysoev <igor@sysoev.ru>
parents: 1655
diff changeset
507 if (ngx_strcmp(value[1].data, "off") == 0) {
4c685f02a5a0 expires modified
Igor Sysoev <igor@sysoev.ru>
parents: 1655
diff changeset
508 hcf->expires = NGX_HTTP_EXPIRES_OFF;
4c685f02a5a0 expires modified
Igor Sysoev <igor@sysoev.ru>
parents: 1655
diff changeset
509 return NGX_CONF_OK;
4c685f02a5a0 expires modified
Igor Sysoev <igor@sysoev.ru>
parents: 1655
diff changeset
510 }
4c685f02a5a0 expires modified
Igor Sysoev <igor@sysoev.ru>
parents: 1655
diff changeset
511
4c685f02a5a0 expires modified
Igor Sysoev <igor@sysoev.ru>
parents: 1655
diff changeset
512 hcf->expires = NGX_HTTP_EXPIRES_ACCESS;
4c685f02a5a0 expires modified
Igor Sysoev <igor@sysoev.ru>
parents: 1655
diff changeset
513
4c685f02a5a0 expires modified
Igor Sysoev <igor@sysoev.ru>
parents: 1655
diff changeset
514 n = 1;
4c685f02a5a0 expires modified
Igor Sysoev <igor@sysoev.ru>
parents: 1655
diff changeset
515
4c685f02a5a0 expires modified
Igor Sysoev <igor@sysoev.ru>
parents: 1655
diff changeset
516 } else { /* cf->args->nelts == 3 */
4c685f02a5a0 expires modified
Igor Sysoev <igor@sysoev.ru>
parents: 1655
diff changeset
517
4c685f02a5a0 expires modified
Igor Sysoev <igor@sysoev.ru>
parents: 1655
diff changeset
518 if (ngx_strcmp(value[1].data, "modified") != 0) {
4c685f02a5a0 expires modified
Igor Sysoev <igor@sysoev.ru>
parents: 1655
diff changeset
519 return "invalid value";
4c685f02a5a0 expires modified
Igor Sysoev <igor@sysoev.ru>
parents: 1655
diff changeset
520 }
4c685f02a5a0 expires modified
Igor Sysoev <igor@sysoev.ru>
parents: 1655
diff changeset
521
4c685f02a5a0 expires modified
Igor Sysoev <igor@sysoev.ru>
parents: 1655
diff changeset
522 hcf->expires = NGX_HTTP_EXPIRES_MODIFIED;
4c685f02a5a0 expires modified
Igor Sysoev <igor@sysoev.ru>
parents: 1655
diff changeset
523
4c685f02a5a0 expires modified
Igor Sysoev <igor@sysoev.ru>
parents: 1655
diff changeset
524 n = 2;
729
52d1379de54e expires max
Igor Sysoev <igor@sysoev.ru>
parents: 709
diff changeset
525 }
52d1379de54e expires max
Igor Sysoev <igor@sysoev.ru>
parents: 709
diff changeset
526
2163
3e8a4d057b77 expires daily time
Igor Sysoev <igor@sysoev.ru>
parents: 2049
diff changeset
527 if (value[n].data[0] == '@') {
3e8a4d057b77 expires daily time
Igor Sysoev <igor@sysoev.ru>
parents: 2049
diff changeset
528 value[n].data++;
3e8a4d057b77 expires daily time
Igor Sysoev <igor@sysoev.ru>
parents: 2049
diff changeset
529 value[n].len--;
3e8a4d057b77 expires daily time
Igor Sysoev <igor@sysoev.ru>
parents: 2049
diff changeset
530 minus = 0;
3e8a4d057b77 expires daily time
Igor Sysoev <igor@sysoev.ru>
parents: 2049
diff changeset
531
3e8a4d057b77 expires daily time
Igor Sysoev <igor@sysoev.ru>
parents: 2049
diff changeset
532 if (hcf->expires == NGX_HTTP_EXPIRES_MODIFIED) {
4133
59b99f217c6d Replaced "can not" with "cannot" and "could not" in a bunch of places.
Ruslan Ermilov <ru@nginx.com>
parents: 3516
diff changeset
533 return "daily time cannot be used with \"modified\" parameter";
2163
3e8a4d057b77 expires daily time
Igor Sysoev <igor@sysoev.ru>
parents: 2049
diff changeset
534 }
3e8a4d057b77 expires daily time
Igor Sysoev <igor@sysoev.ru>
parents: 2049
diff changeset
535
3e8a4d057b77 expires daily time
Igor Sysoev <igor@sysoev.ru>
parents: 2049
diff changeset
536 hcf->expires = NGX_HTTP_EXPIRES_DAILY;
3e8a4d057b77 expires daily time
Igor Sysoev <igor@sysoev.ru>
parents: 2049
diff changeset
537
3e8a4d057b77 expires daily time
Igor Sysoev <igor@sysoev.ru>
parents: 2049
diff changeset
538 } else if (value[n].data[0] == '+') {
2013
4c685f02a5a0 expires modified
Igor Sysoev <igor@sysoev.ru>
parents: 1655
diff changeset
539 value[n].data++;
4c685f02a5a0 expires modified
Igor Sysoev <igor@sysoev.ru>
parents: 1655
diff changeset
540 value[n].len--;
326
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
541 minus = 0;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
542
2013
4c685f02a5a0 expires modified
Igor Sysoev <igor@sysoev.ru>
parents: 1655
diff changeset
543 } else if (value[n].data[0] == '-') {
4c685f02a5a0 expires modified
Igor Sysoev <igor@sysoev.ru>
parents: 1655
diff changeset
544 value[n].data++;
4c685f02a5a0 expires modified
Igor Sysoev <igor@sysoev.ru>
parents: 1655
diff changeset
545 value[n].len--;
326
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
546 minus = 1;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
547
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
548 } else {
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
549 minus = 0;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
550 }
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
551
2013
4c685f02a5a0 expires modified
Igor Sysoev <igor@sysoev.ru>
parents: 1655
diff changeset
552 hcf->expires_time = ngx_parse_time(&value[n], 1);
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
553
4474
41f640a693de Time parsing cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4412
diff changeset
554 if (hcf->expires_time == (time_t) NGX_ERROR) {
326
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
555 return "invalid value";
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
556 }
577
4d9ea73a627a nginx-0.3.10-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 573
diff changeset
557
2164
b4ffe603fa86 check daily time range
Igor Sysoev <igor@sysoev.ru>
parents: 2163
diff changeset
558 if (hcf->expires == NGX_HTTP_EXPIRES_DAILY
b4ffe603fa86 check daily time range
Igor Sysoev <igor@sysoev.ru>
parents: 2163
diff changeset
559 && hcf->expires_time > 24 * 60 * 60)
b4ffe603fa86 check daily time range
Igor Sysoev <igor@sysoev.ru>
parents: 2163
diff changeset
560 {
b4ffe603fa86 check daily time range
Igor Sysoev <igor@sysoev.ru>
parents: 2163
diff changeset
561 return "daily time value must be less than 24 hours";
b4ffe603fa86 check daily time range
Igor Sysoev <igor@sysoev.ru>
parents: 2163
diff changeset
562 }
b4ffe603fa86 check daily time range
Igor Sysoev <igor@sysoev.ru>
parents: 2163
diff changeset
563
326
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
564 if (minus) {
2013
4c685f02a5a0 expires modified
Igor Sysoev <igor@sysoev.ru>
parents: 1655
diff changeset
565 hcf->expires_time = - hcf->expires_time;
326
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
566 }
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
567
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
568 return NGX_CONF_OK;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
569 }
573
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
570
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
571
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
572 static char *
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
573 ngx_http_headers_add(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
574 {
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
575 ngx_http_headers_conf_t *hcf = conf;
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
576
2588
a6954ce88b80 use complex values in add_header, auth_basic_user_file,
Igor Sysoev <igor@sysoev.ru>
parents: 2406
diff changeset
577 ngx_str_t *value;
a6954ce88b80 use complex values in add_header, auth_basic_user_file,
Igor Sysoev <igor@sysoev.ru>
parents: 2406
diff changeset
578 ngx_uint_t i;
a6954ce88b80 use complex values in add_header, auth_basic_user_file,
Igor Sysoev <igor@sysoev.ru>
parents: 2406
diff changeset
579 ngx_http_header_val_t *hv;
a6954ce88b80 use complex values in add_header, auth_basic_user_file,
Igor Sysoev <igor@sysoev.ru>
parents: 2406
diff changeset
580 ngx_http_set_header_t *set;
a6954ce88b80 use complex values in add_header, auth_basic_user_file,
Igor Sysoev <igor@sysoev.ru>
parents: 2406
diff changeset
581 ngx_http_compile_complex_value_t ccv;
573
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
582
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
583 value = cf->args->elts;
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
584
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
585 if (hcf->headers == NULL) {
625
fbed40ce7cb4 nginx-0.3.34-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 597
diff changeset
586 hcf->headers = ngx_array_create(cf->pool, 1,
fbed40ce7cb4 nginx-0.3.34-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 597
diff changeset
587 sizeof(ngx_http_header_val_t));
573
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
588 if (hcf->headers == NULL) {
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
589 return NGX_CONF_ERROR;
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
590 }
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
591 }
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
592
2588
a6954ce88b80 use complex values in add_header, auth_basic_user_file,
Igor Sysoev <igor@sysoev.ru>
parents: 2406
diff changeset
593 hv = ngx_array_push(hcf->headers);
a6954ce88b80 use complex values in add_header, auth_basic_user_file,
Igor Sysoev <igor@sysoev.ru>
parents: 2406
diff changeset
594 if (hv == NULL) {
573
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
595 return NGX_CONF_ERROR;
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
596 }
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
597
2588
a6954ce88b80 use complex values in add_header, auth_basic_user_file,
Igor Sysoev <igor@sysoev.ru>
parents: 2406
diff changeset
598 hv->key = value[1];
a6954ce88b80 use complex values in add_header, auth_basic_user_file,
Igor Sysoev <igor@sysoev.ru>
parents: 2406
diff changeset
599 hv->handler = ngx_http_add_header;
a6954ce88b80 use complex values in add_header, auth_basic_user_file,
Igor Sysoev <igor@sysoev.ru>
parents: 2406
diff changeset
600 hv->offset = 0;
625
fbed40ce7cb4 nginx-0.3.34-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 597
diff changeset
601
2588
a6954ce88b80 use complex values in add_header, auth_basic_user_file,
Igor Sysoev <igor@sysoev.ru>
parents: 2406
diff changeset
602 set = ngx_http_set_headers;
a6954ce88b80 use complex values in add_header, auth_basic_user_file,
Igor Sysoev <igor@sysoev.ru>
parents: 2406
diff changeset
603 for (i = 0; set[i].name.len; i++) {
a6954ce88b80 use complex values in add_header, auth_basic_user_file,
Igor Sysoev <igor@sysoev.ru>
parents: 2406
diff changeset
604 if (ngx_strcasecmp(value[1].data, set[i].name.data) != 0) {
1363
b0e114fb3bdc use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents: 1107
diff changeset
605 continue;
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
2588
a6954ce88b80 use complex values in add_header, auth_basic_user_file,
Igor Sysoev <igor@sysoev.ru>
parents: 2406
diff changeset
608 hv->offset = set[i].offset;
a6954ce88b80 use complex values in add_header, auth_basic_user_file,
Igor Sysoev <igor@sysoev.ru>
parents: 2406
diff changeset
609 hv->handler = set[i].handler;
a6954ce88b80 use complex values in add_header, auth_basic_user_file,
Igor Sysoev <igor@sysoev.ru>
parents: 2406
diff changeset
610
1363
b0e114fb3bdc use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents: 1107
diff changeset
611 break;
b0e114fb3bdc use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents: 1107
diff changeset
612 }
b0e114fb3bdc use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents: 1107
diff changeset
613
2605
2a301c21256a fix add_header Last-Modified "", broken in r2589
Igor Sysoev <igor@sysoev.ru>
parents: 2588
diff changeset
614 if (value[2].len == 0) {
2a301c21256a fix add_header Last-Modified "", broken in r2589
Igor Sysoev <igor@sysoev.ru>
parents: 2588
diff changeset
615 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
616 return NGX_CONF_OK;
2a301c21256a fix add_header Last-Modified "", broken in r2589
Igor Sysoev <igor@sysoev.ru>
parents: 2588
diff changeset
617 }
2a301c21256a fix add_header Last-Modified "", broken in r2589
Igor Sysoev <igor@sysoev.ru>
parents: 2588
diff changeset
618
2588
a6954ce88b80 use complex values in add_header, auth_basic_user_file,
Igor Sysoev <igor@sysoev.ru>
parents: 2406
diff changeset
619 ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t));
625
fbed40ce7cb4 nginx-0.3.34-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 597
diff changeset
620
2588
a6954ce88b80 use complex values in add_header, auth_basic_user_file,
Igor Sysoev <igor@sysoev.ru>
parents: 2406
diff changeset
621 ccv.cf = cf;
a6954ce88b80 use complex values in add_header, auth_basic_user_file,
Igor Sysoev <igor@sysoev.ru>
parents: 2406
diff changeset
622 ccv.value = &value[2];
a6954ce88b80 use complex values in add_header, auth_basic_user_file,
Igor Sysoev <igor@sysoev.ru>
parents: 2406
diff changeset
623 ccv.complex_value = &hv->value;
625
fbed40ce7cb4 nginx-0.3.34-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 597
diff changeset
624
2588
a6954ce88b80 use complex values in add_header, auth_basic_user_file,
Igor Sysoev <igor@sysoev.ru>
parents: 2406
diff changeset
625 if (ngx_http_compile_complex_value(&ccv) != NGX_OK) {
625
fbed40ce7cb4 nginx-0.3.34-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 597
diff changeset
626 return NGX_CONF_ERROR;
fbed40ce7cb4 nginx-0.3.34-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 597
diff changeset
627 }
573
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
628
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
629 return NGX_CONF_OK;
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
630 }