Mercurial > hg > nginx

annotate src/http/modules/ngx_http_headers_filter.c @ 416:b9bd635011de

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nginx-0.0.10-2004-09-06-22:45:00 import
author Igor Sysoev <igor@sysoev.ru>
date Mon, 06 Sep 2004 18:45:00 +0000
parents 3c56e834be46
children da8c5707af39
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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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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8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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16
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2e3cbc1bbe3c nginx-0.0.7-2004-06-16-19:32:11 import
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17 static ngx_int_t ngx_http_headers_filter_init(ngx_cycle_t *cycle);
326
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
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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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8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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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
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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
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55 NGX_HTTP_MODULE, /* module type */
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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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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8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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63
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2e3cbc1bbe3c nginx-0.0.7-2004-06-16-19:32:11 import
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64 static ngx_int_t ngx_http_headers_filter(ngx_http_request_t *r)
326
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
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b9bd635011de nginx-0.0.10-2004-09-06-22:45:00 import
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78 if (!(expires = ngx_list_push(&r->headers_out.headers))) {
326
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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79 return NGX_ERROR;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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80 }
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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81
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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82 r->headers_out.expires = expires;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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83
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84 if (!(cc = ngx_list_push(&r->headers_out.headers))) {
326
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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85 return NGX_ERROR;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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86 }
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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87
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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88 r->headers_out.cache_control = cc;
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 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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91
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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92 expires->key.len = sizeof("Expires") - 1;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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93 expires->key.data = (u_char *) "Expires";
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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94 expires->value.len = len - 1;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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95
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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96 cc->key.len = sizeof("Cache-Control") - 1;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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97 cc->key.data = (u_char *) "Cache-Control";
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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98
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
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99 if (conf->expires == NGX_HTTP_EXPIRES_EPOCH) {
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
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100 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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101
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
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102 cc->value.len = sizeof("no-cache") - 1;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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103 cc->value.data = (u_char *) "no-cache";
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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104
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
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105 } else {
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
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106 expires->value.data = ngx_palloc(r->pool, len);
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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107 if (expires->value.data == NULL) {
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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108 return NGX_ERROR;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
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109 }
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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110
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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111 if (conf->expires == 0) {
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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112 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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113 ngx_cached_http_time.len + 1);
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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114
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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115 cc->value.len = sizeof("max-age=0") - 1;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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116 cc->value.data = (u_char *) "max-age=0";
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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117
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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diff changeset
118 } else {
370
54f76b0b8dca nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 356
diff changeset
119 ngx_http_time(expires->value.data, ngx_time() + conf->expires);
326
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
120
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
121 if (conf->expires < 0) {
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
122 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
123 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
124
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
125 } else {
389
537de4dca8ca nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 370
diff changeset
126 cc->value.data = ngx_palloc(r->pool,
537de4dca8ca nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 370
diff changeset
127 sizeof("max-age=") + TIME_T_LEN + 1);
326
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
128 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
129 return NGX_ERROR;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
130 }
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
131
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
132 cc->value.len = ngx_snprintf((char *) cc->value.data,
370
54f76b0b8dca nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 356
diff changeset
133 sizeof("max-age=") + TIME_T_LEN,
54f76b0b8dca nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 356
diff changeset
134 "max-age=" TIME_T_FMT,
54f76b0b8dca nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 356
diff changeset
135 conf->expires);
326
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
136 }
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
137 }
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
138 }
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 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
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
356
2e3cbc1bbe3c nginx-0.0.7-2004-06-16-19:32:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 326
diff changeset
145 static ngx_int_t ngx_http_headers_filter_init(ngx_cycle_t *cycle)
326
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 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
148 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
149
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
150 return NGX_OK;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
151 }
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
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
154 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
155 {
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
156 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
157
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
158 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
159 return NGX_CONF_ERROR;
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
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
162 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
163
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
164 return conf;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
165 }
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
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
168 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
169 void *parent, void *child)
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 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
172 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
173
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
174 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
175 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
176 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
177 }
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
178
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
179 return NGX_CONF_OK;
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
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
183 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
184 {
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
185 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
186
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
187 ngx_uint_t minus;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
188 ngx_str_t *value;
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 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
191 return "is duplicate";
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
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
194 value = cf->args->elts;
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 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
197 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
198 return NGX_CONF_OK;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
199 }
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
200
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
201 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
202 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
203 return NGX_CONF_OK;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
204 }
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
205
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
206 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
207 value[1].data++;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
208 value[1].len--;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
209 minus = 0;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
210
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
211 } 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
212 value[1].data++;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
213 value[1].len--;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
214 minus = 1;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
215
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
216 } else {
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
217 minus = 0;
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
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
220 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
221 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
222 return "invalid value";
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
223 }
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
224
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
225 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
226 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
227 }
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
228
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
229 if (minus) {
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
230 hcf->expires = - hcf->expires;
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
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
233 return NGX_CONF_OK;
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
234 }