Mercurial > hg > nginx
annotate src/http/modules/ngx_http_secure_link_module.c @ 3868:f762331c7766
bump version
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Mon, 21 Feb 2011 10:03:28 +0000 |
parents | 0a84dc5f5613 |
children | d620f497c50f |
rev | line source |
---|---|
2260 | 1 |
2 /* | |
3 * Copyright (C) Igor Sysoev | |
4 */ | |
5 | |
6 | |
7 #include <ngx_config.h> | |
8 #include <ngx_core.h> | |
9 #include <ngx_http.h> | |
10 #include <ngx_md5.h> | |
11 | |
12 | |
13 typedef struct { | |
3756
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
14 ngx_http_complex_value_t *variable; |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
15 ngx_http_complex_value_t *md5; |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
16 ngx_str_t secret; |
2260 | 17 } ngx_http_secure_link_conf_t; |
18 | |
19 | |
3756
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
20 typedef struct { |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
21 ngx_str_t expires; |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
22 } ngx_http_secure_link_ctx_t; |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
23 |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
24 |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
25 static ngx_int_t ngx_http_secure_link_old_variable(ngx_http_request_t *r, |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
26 ngx_http_secure_link_conf_t *conf, ngx_http_variable_value_t *v, |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
27 uintptr_t data); |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
28 static ngx_int_t ngx_http_secure_link_expires_variable(ngx_http_request_t *r, |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
29 ngx_http_variable_value_t *v, uintptr_t data); |
2260 | 30 static void *ngx_http_secure_link_create_conf(ngx_conf_t *cf); |
31 static char *ngx_http_secure_link_merge_conf(ngx_conf_t *cf, void *parent, | |
32 void *child); | |
33 static ngx_int_t ngx_http_secure_link_add_variables(ngx_conf_t *cf); | |
34 | |
35 | |
36 static ngx_command_t ngx_http_secure_link_commands[] = { | |
37 | |
3756
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
38 { ngx_string("secure_link"), |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
39 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
3761 | 40 ngx_http_set_complex_value_slot, |
3756
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
41 NGX_HTTP_LOC_CONF_OFFSET, |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
42 offsetof(ngx_http_secure_link_conf_t, variable), |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
43 NULL }, |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
44 |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
45 { ngx_string("secure_link_md5"), |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
46 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
3761 | 47 ngx_http_set_complex_value_slot, |
3756
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
48 NGX_HTTP_LOC_CONF_OFFSET, |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
49 offsetof(ngx_http_secure_link_conf_t, md5), |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
50 NULL }, |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
51 |
2260 | 52 { ngx_string("secure_link_secret"), |
53 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
54 ngx_conf_set_str_slot, | |
55 NGX_HTTP_LOC_CONF_OFFSET, | |
56 offsetof(ngx_http_secure_link_conf_t, secret), | |
57 NULL }, | |
58 | |
59 ngx_null_command | |
60 }; | |
61 | |
62 | |
63 static ngx_http_module_t ngx_http_secure_link_module_ctx = { | |
64 ngx_http_secure_link_add_variables, /* preconfiguration */ | |
65 NULL, /* postconfiguration */ | |
66 | |
67 NULL, /* create main configuration */ | |
68 NULL, /* init main configuration */ | |
69 | |
70 NULL, /* create server configuration */ | |
71 NULL, /* merge server configuration */ | |
72 | |
73 ngx_http_secure_link_create_conf, /* create location configuration */ | |
74 ngx_http_secure_link_merge_conf /* merge location configuration */ | |
75 }; | |
76 | |
77 | |
78 ngx_module_t ngx_http_secure_link_module = { | |
79 NGX_MODULE_V1, | |
80 &ngx_http_secure_link_module_ctx, /* module context */ | |
81 ngx_http_secure_link_commands, /* module directives */ | |
82 NGX_HTTP_MODULE, /* module type */ | |
83 NULL, /* init master */ | |
84 NULL, /* init module */ | |
85 NULL, /* init process */ | |
86 NULL, /* init thread */ | |
87 NULL, /* exit thread */ | |
88 NULL, /* exit process */ | |
89 NULL, /* exit master */ | |
90 NGX_MODULE_V1_PADDING | |
91 }; | |
92 | |
93 | |
3756
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
94 static ngx_str_t ngx_http_secure_link_name = ngx_string("secure_link"); |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
95 static ngx_str_t ngx_http_secure_link_expires_name = |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
96 ngx_string("secure_link_expires"); |
2260 | 97 |
98 | |
99 static ngx_int_t | |
100 ngx_http_secure_link_variable(ngx_http_request_t *r, | |
3756
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
101 ngx_http_variable_value_t *v, uintptr_t data) |
2260 | 102 { |
3756
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
103 u_char *p, *last; |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
104 ngx_str_t val, hash; |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
105 time_t expires; |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
106 ngx_md5_t md5; |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
107 ngx_http_secure_link_ctx_t *ctx; |
2260 | 108 ngx_http_secure_link_conf_t *conf; |
3756
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
109 u_char hash_buf[16], md5_buf[16]; |
2260 | 110 |
111 conf = ngx_http_get_module_loc_conf(r, ngx_http_secure_link_module); | |
112 | |
3756
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
113 if (conf->secret.len) { |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
114 return ngx_http_secure_link_old_variable(r, conf, v, data); |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
115 } |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
116 |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
117 if (conf->variable == NULL || conf->md5 == NULL) { |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
118 goto not_found; |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
119 } |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
120 |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
121 if (ngx_http_complex_value(r, conf->variable, &val) != NGX_OK) { |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
122 return NGX_ERROR; |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
123 } |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
124 |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
125 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
126 "secure link: \"%V\"", &val); |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
127 |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
128 last = val.data + val.len; |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
129 |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
130 p = ngx_strlchr(val.data, last, ','); |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
131 expires = 0; |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
132 |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
133 if (p) { |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
134 val.len = p++ - val.data; |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
135 |
3760
38f74d11e5bd
discard "secure_link_expires on|off"
Igor Sysoev <igor@sysoev.ru>
parents:
3756
diff
changeset
|
136 expires = ngx_atotm(p, last - p); |
38f74d11e5bd
discard "secure_link_expires on|off"
Igor Sysoev <igor@sysoev.ru>
parents:
3756
diff
changeset
|
137 if (expires <= 0) { |
38f74d11e5bd
discard "secure_link_expires on|off"
Igor Sysoev <igor@sysoev.ru>
parents:
3756
diff
changeset
|
138 goto not_found; |
38f74d11e5bd
discard "secure_link_expires on|off"
Igor Sysoev <igor@sysoev.ru>
parents:
3756
diff
changeset
|
139 } |
3756
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
140 |
3760
38f74d11e5bd
discard "secure_link_expires on|off"
Igor Sysoev <igor@sysoev.ru>
parents:
3756
diff
changeset
|
141 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_secure_link_ctx_t)); |
38f74d11e5bd
discard "secure_link_expires on|off"
Igor Sysoev <igor@sysoev.ru>
parents:
3756
diff
changeset
|
142 if (ctx == NULL) { |
38f74d11e5bd
discard "secure_link_expires on|off"
Igor Sysoev <igor@sysoev.ru>
parents:
3756
diff
changeset
|
143 return NGX_ERROR; |
38f74d11e5bd
discard "secure_link_expires on|off"
Igor Sysoev <igor@sysoev.ru>
parents:
3756
diff
changeset
|
144 } |
3756
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
145 |
3760
38f74d11e5bd
discard "secure_link_expires on|off"
Igor Sysoev <igor@sysoev.ru>
parents:
3756
diff
changeset
|
146 ngx_http_set_ctx(r, ctx, ngx_http_secure_link_module); |
3756
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
147 |
3760
38f74d11e5bd
discard "secure_link_expires on|off"
Igor Sysoev <igor@sysoev.ru>
parents:
3756
diff
changeset
|
148 ctx->expires.len = last - p; |
38f74d11e5bd
discard "secure_link_expires on|off"
Igor Sysoev <igor@sysoev.ru>
parents:
3756
diff
changeset
|
149 ctx->expires.data = p; |
3756
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
150 } |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
151 |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
152 if (val.len > 24) { |
2260 | 153 goto not_found; |
154 } | |
155 | |
3756
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
156 hash.len = 16; |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
157 hash.data = hash_buf; |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
158 |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
159 if (ngx_decode_base64url(&hash, &val) != NGX_OK) { |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
160 goto not_found; |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
161 } |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
162 |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
163 if (hash.len != 16) { |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
164 goto not_found; |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
165 } |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
166 |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
167 if (ngx_http_complex_value(r, conf->md5, &val) != NGX_OK) { |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
168 return NGX_ERROR; |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
169 } |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
170 |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
171 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
172 "secure link md5: \"%V\"", &val); |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
173 |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
174 ngx_md5_init(&md5); |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
175 ngx_md5_update(&md5, val.data, val.len); |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
176 ngx_md5_final(md5_buf, &md5); |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
177 |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
178 if (ngx_memcmp(hash_buf, md5_buf, 16) != 0) { |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
179 goto not_found; |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
180 } |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
181 |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
182 v->data = (u_char *) ((expires && expires < ngx_time()) ? "0" : "1"); |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
183 v->len = 1; |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
184 v->valid = 1; |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
185 v->no_cacheable = 0; |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
186 v->not_found = 0; |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
187 |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
188 return NGX_OK; |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
189 |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
190 not_found: |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
191 |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
192 v->not_found = 1; |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
193 |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
194 return NGX_OK; |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
195 } |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
196 |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
197 |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
198 static ngx_int_t |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
199 ngx_http_secure_link_old_variable(ngx_http_request_t *r, |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
200 ngx_http_secure_link_conf_t *conf, ngx_http_variable_value_t *v, |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
201 uintptr_t data) |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
202 { |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
203 u_char *p, *start, *end, *last; |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
204 size_t len; |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
205 ngx_int_t n; |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
206 ngx_uint_t i; |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
207 ngx_md5_t md5; |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
208 u_char hash[16]; |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
209 |
2260 | 210 p = &r->unparsed_uri.data[1]; |
211 last = r->unparsed_uri.data + r->unparsed_uri.len; | |
212 | |
213 while (p < last) { | |
214 if (*p++ == '/') { | |
215 start = p; | |
216 goto md5_start; | |
217 } | |
218 } | |
219 | |
220 goto not_found; | |
221 | |
222 md5_start: | |
223 | |
224 while (p < last) { | |
225 if (*p++ == '/') { | |
226 end = p - 1; | |
227 goto url_start; | |
228 } | |
229 } | |
230 | |
231 goto not_found; | |
232 | |
233 url_start: | |
234 | |
235 len = last - p; | |
236 | |
2279 | 237 if (end - start != 32 || len == 0) { |
2260 | 238 goto not_found; |
239 } | |
240 | |
241 ngx_md5_init(&md5); | |
242 ngx_md5_update(&md5, p, len); | |
243 ngx_md5_update(&md5, conf->secret.data, conf->secret.len); | |
244 ngx_md5_final(hash, &md5); | |
245 | |
246 for (i = 0; i < 16; i++) { | |
247 n = ngx_hextoi(&start[2 * i], 2); | |
248 if (n == NGX_ERROR || n != hash[i]) { | |
249 goto not_found; | |
250 } | |
251 } | |
252 | |
253 v->len = len; | |
254 v->valid = 1; | |
255 v->no_cacheable = 0; | |
256 v->not_found = 0; | |
257 v->data = p; | |
258 | |
259 return NGX_OK; | |
260 | |
261 not_found: | |
262 | |
263 v->not_found = 1; | |
264 | |
265 return NGX_OK; | |
266 } | |
267 | |
268 | |
3756
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
269 static ngx_int_t |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
270 ngx_http_secure_link_expires_variable(ngx_http_request_t *r, |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
271 ngx_http_variable_value_t *v, uintptr_t data) |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
272 { |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
273 ngx_http_secure_link_ctx_t *ctx; |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
274 |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
275 ctx = ngx_http_get_module_ctx(r, ngx_http_secure_link_module); |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
276 |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
277 if (ctx) { |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
278 v->len = ctx->expires.len; |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
279 v->valid = 1; |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
280 v->no_cacheable = 0; |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
281 v->not_found = 0; |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
282 v->data = ctx->expires.data; |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
283 |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
284 } else { |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
285 v->not_found = 1; |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
286 } |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
287 |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
288 return NGX_OK; |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
289 } |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
290 |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
291 |
2260 | 292 static void * |
293 ngx_http_secure_link_create_conf(ngx_conf_t *cf) | |
294 { | |
295 ngx_http_secure_link_conf_t *conf; | |
296 | |
297 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_secure_link_conf_t)); | |
298 if (conf == NULL) { | |
2912
c7d57b539248
return NULL instead of NGX_CONF_ERROR on a create conf failure
Igor Sysoev <igor@sysoev.ru>
parents:
2279
diff
changeset
|
299 return NULL; |
2260 | 300 } |
301 | |
302 /* | |
303 * set by ngx_pcalloc(): | |
304 * | |
3756
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
305 * conf->variable = NULL; |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
306 * conf->md5 = NULL; |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
307 * conf->secret = { 0, NULL }; |
2260 | 308 */ |
309 | |
310 return conf; | |
311 } | |
312 | |
313 | |
314 static char * | |
315 ngx_http_secure_link_merge_conf(ngx_conf_t *cf, void *parent, void *child) | |
316 { | |
317 ngx_http_secure_link_conf_t *prev = parent; | |
318 ngx_http_secure_link_conf_t *conf = child; | |
319 | |
320 ngx_conf_merge_str_value(conf->secret, prev->secret, ""); | |
321 | |
3756
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
322 if (conf->variable == NULL) { |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
323 conf->variable = prev->variable; |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
324 } |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
325 |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
326 if (conf->md5 == NULL) { |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
327 conf->md5 = prev->md5; |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
328 } |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
329 |
2260 | 330 return NGX_CONF_OK; |
331 } | |
332 | |
333 | |
334 static ngx_int_t | |
335 ngx_http_secure_link_add_variables(ngx_conf_t *cf) | |
336 { | |
337 ngx_http_variable_t *var; | |
338 | |
3756
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
339 var = ngx_http_add_variable(cf, &ngx_http_secure_link_name, 0); |
2260 | 340 if (var == NULL) { |
341 return NGX_ERROR; | |
342 } | |
343 | |
344 var->get_handler = ngx_http_secure_link_variable; | |
345 | |
3756
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
346 var = ngx_http_add_variable(cf, &ngx_http_secure_link_expires_name, 0); |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
347 if (var == NULL) { |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
348 return NGX_ERROR; |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
349 } |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
350 |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
351 var->get_handler = ngx_http_secure_link_expires_variable; |
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
352 |
2260 | 353 return NGX_OK; |
354 } |