Mercurial > hg > nginx

annotate src/http/modules/ngx_http_headers_filter.c @ 326:8733703a37f3

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nginx-0.0.3-2004-04-26-00:13:21 import
author Igor Sysoev <igor@sysoev.ru>
date Sun, 25 Apr 2004 20:13:21 +0000
parents
children 2e3cbc1bbe3c
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
326
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
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1
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
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2 #include <ngx_config.h>
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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3 #include <ngx_core.h>
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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4 #include <ngx_http.h>
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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5
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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6
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
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7 typedef struct {
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
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8 time_t expires;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
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9 } ngx_http_headers_conf_t;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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10
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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11
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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12 #define NGX_HTTP_EXPIRES_UNSET -2147483647
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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13 #define NGX_HTTP_EXPIRES_OFF -2147483646
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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14 #define NGX_HTTP_EXPIRES_EPOCH -2147483645
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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15
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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16
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
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17 static int ngx_http_headers_filter_init(ngx_cycle_t *cycle);
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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18 static void *ngx_http_headers_create_conf(ngx_conf_t *cf);
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
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19 static char *ngx_http_headers_merge_conf(ngx_conf_t *cf,
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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20 void *parent, void *child);
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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21 char *ngx_http_headers_expires(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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22
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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23
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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24 static ngx_command_t ngx_http_headers_filter_commands[] = {
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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25
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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26 { ngx_string("expires"),
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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27 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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28 ngx_http_headers_expires,
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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29 NGX_HTTP_LOC_CONF_OFFSET,
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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30 0,
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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31 NULL},
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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32
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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33 ngx_null_command
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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34 };
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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35
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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36
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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37 static ngx_http_module_t ngx_http_headers_filter_module_ctx = {
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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38 NULL, /* pre conf */
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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39
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
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40 NULL, /* create main configuration */
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
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41 NULL, /* init main configuration */
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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42
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
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43 NULL, /* create server configuration */
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
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44 NULL, /* merge server configuration */
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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45
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
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46 ngx_http_headers_create_conf, /* create location configuration */
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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47 ngx_http_headers_merge_conf /* merge location configuration */
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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48 };
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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49
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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50
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
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51 ngx_module_t ngx_http_headers_filter_module = {
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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52 NGX_MODULE,
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
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53 &ngx_http_headers_filter_module_ctx, /* module context */
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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54 ngx_http_headers_filter_commands, /* module directives */
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
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55 NGX_HTTP_MODULE, /* module type */
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
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56 ngx_http_headers_filter_init, /* init module */
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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57 NULL /* init child */
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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58 };
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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59
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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60
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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61 static ngx_http_output_header_filter_pt ngx_http_next_header_filter;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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62
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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63
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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64 static int ngx_http_headers_filter(ngx_http_request_t *r)
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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65 {
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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66 size_t len;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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67 ngx_table_elt_t *expires, *cc;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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68 ngx_http_headers_conf_t *conf;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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69
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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70 if (r->headers_out.status != NGX_HTTP_OK) {
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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71 return ngx_http_next_header_filter(r);
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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72 }
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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73
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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74 conf = ngx_http_get_module_loc_conf(r, ngx_http_headers_filter_module);
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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75
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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76 if (conf->expires != NGX_HTTP_EXPIRES_OFF) {
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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77
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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78 expires = ngx_http_add_header(&r->headers_out, ngx_http_headers_out);
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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79 if (expires == NULL) {
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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80 return NGX_ERROR;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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81 }
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82
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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83 r->headers_out.expires = expires;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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84
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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85 cc = ngx_http_add_header(&r->headers_out, ngx_http_headers_out);
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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86 if (cc == NULL) {
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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87 return NGX_ERROR;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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88 }
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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89
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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90 r->headers_out.cache_control = cc;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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91
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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92 len = sizeof("Mon, 28 Sep 1970 06:00:00 GMT");
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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93
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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94 expires->key.len = sizeof("Expires") - 1;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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95 expires->key.data = (u_char *) "Expires";
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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96 expires->value.len = len - 1;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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97
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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98 cc->key.len = sizeof("Cache-Control") - 1;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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99 cc->key.data = (u_char *) "Cache-Control";
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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100
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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101 if (conf->expires == NGX_HTTP_EXPIRES_EPOCH) {
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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102 expires->value.data = (u_char *) "Thu, 01 Jan 1970 00:00:01 GMT";
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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103
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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104 cc->value.len = sizeof("no-cache") - 1;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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105 cc->value.data = (u_char *) "no-cache";
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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106
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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107 } else {
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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108 expires->value.data = ngx_palloc(r->pool, len);
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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109 if (expires->value.data == NULL) {
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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110 return NGX_ERROR;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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111 }
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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112
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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113 if (conf->expires == 0) {
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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114 ngx_memcpy(expires->value.data, ngx_cached_http_time.data,
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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115 ngx_cached_http_time.len + 1);
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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116
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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117 cc->value.len = sizeof("max-age=0") - 1;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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diff changeset
118 cc->value.data = (u_char *) "max-age=0";
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
119
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
120 } else {
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
121 ngx_http_time(expires->value.data,
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
122 ngx_cached_time + conf->expires);
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
123
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
124 if (conf->expires < 0) {
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
125 cc->value.len = sizeof("no-cache") - 1;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
126 cc->value.data = (u_char *) "no-cache";
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
127
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
128 } else {
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
129 cc->value.data = ngx_palloc(r->pool, NGX_TIME_T_LEN + 1);
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
130 if (cc->value.data == NULL) {
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
131 return NGX_ERROR;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
132 }
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
133
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
134 cc->value.len = ngx_snprintf((char *) cc->value.data,
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
135 sizeof("max-age=")
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
136 + NGX_TIME_T_LEN,
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
137 "max-age=" TIME_T_FMT,
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
138 conf->expires);
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 }
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 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
145 }
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
146
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
147
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
148 static int ngx_http_headers_filter_init(ngx_cycle_t *cycle)
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
149 {
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
150 ngx_http_next_header_filter = ngx_http_top_header_filter;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
151 ngx_http_top_header_filter = ngx_http_headers_filter;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
152
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
153 return NGX_OK;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
154 }
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
155
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
156
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
157 static void *ngx_http_headers_create_conf(ngx_conf_t *cf)
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
158 {
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
159 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
160
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
161 if (!(conf = ngx_palloc(cf->pool, sizeof(ngx_http_headers_conf_t)))) {
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
162 return NGX_CONF_ERROR;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
163 }
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
164
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
165 conf->expires = NGX_HTTP_EXPIRES_UNSET;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
166
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
167 return conf;
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
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
170
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
171 static char *ngx_http_headers_merge_conf(ngx_conf_t *cf,
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
172 void *parent, void *child)
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 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
175 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
176
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
177 if (conf->expires == NGX_HTTP_EXPIRES_UNSET) {
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
178 conf->expires = (prev->expires == NGX_HTTP_EXPIRES_UNSET) ?
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
179 NGX_HTTP_EXPIRES_OFF : prev->expires;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
180 }
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
181
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
182 return NGX_CONF_OK;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
183 }
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
184
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
185
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
186 char *ngx_http_headers_expires(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
187 {
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
188 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
189
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
190 ngx_uint_t minus;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
191 ngx_str_t *value;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
192
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
193 if (hcf->expires != NGX_HTTP_EXPIRES_UNSET) {
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
194 return "is duplicate";
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
195 }
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
196
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
197 value = cf->args->elts;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
198
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
199 if (ngx_strcmp(value[1].data, "epoch") == 0) {
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
200 hcf->expires = NGX_HTTP_EXPIRES_EPOCH;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
201 return NGX_CONF_OK;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
202 }
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
203
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
204 if (ngx_strcmp(value[1].data, "off") == 0) {
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
205 hcf->expires = NGX_HTTP_EXPIRES_OFF;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
206 return NGX_CONF_OK;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
207 }
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
208
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
209 if (value[1].data[0] == '+') {
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
210 value[1].data++;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
211 value[1].len--;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
212 minus = 0;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
213
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
214 } else if (value[1].data[0] == '-') {
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
215 value[1].data++;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
216 value[1].len--;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
217 minus = 1;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
218
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
219 } else {
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
220 minus = 0;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
221 }
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
222
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
223 hcf->expires = ngx_parse_time(&value[1], 1);
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
224 if (hcf->expires == NGX_ERROR) {
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
225 return "invalid value";
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
226 }
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
227
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
228 if (hcf->expires == NGX_PARSE_LARGE_TIME) {
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
229 return "value must be less than 68 years";
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
230 }
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
231
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
232 if (minus) {
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
233 hcf->expires = - hcf->expires;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
234 }
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
235
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
236 return NGX_CONF_OK;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
237 }