50
|
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
|
|
11
|
|
12 static ngx_int_t ngx_http_static_handler(ngx_http_request_t *r);
|
230
|
13 static ngx_int_t ngx_http_static_init(ngx_conf_t *cf);
|
50
|
14
|
|
15
|
|
16 ngx_http_module_t ngx_http_static_module_ctx = {
|
58
|
17 NULL, /* preconfiguration */
|
230
|
18 ngx_http_static_init, /* postconfiguration */
|
50
|
19
|
|
20 NULL, /* create main configuration */
|
|
21 NULL, /* init main configuration */
|
126
|
22
|
50
|
23 NULL, /* create server configuration */
|
|
24 NULL, /* merge server configuration */
|
126
|
25
|
332
|
26 NULL, /* create location configuration */
|
|
27 NULL /* merge location configuration */
|
126
|
28 };
|
50
|
29
|
|
30
|
|
31 ngx_module_t ngx_http_static_module = {
|
58
|
32 NGX_MODULE_V1,
|
50
|
33 &ngx_http_static_module_ctx, /* module context */
|
332
|
34 NULL, /* module directives */
|
50
|
35 NGX_HTTP_MODULE, /* module type */
|
90
|
36 NULL, /* init master */
|
230
|
37 NULL, /* init module */
|
90
|
38 NULL, /* init process */
|
|
39 NULL, /* init thread */
|
|
40 NULL, /* exit thread */
|
|
41 NULL, /* exit process */
|
|
42 NULL, /* exit master */
|
|
43 NGX_MODULE_V1_PADDING
|
50
|
44 };
|
|
45
|
|
46
|
58
|
47 static ngx_int_t
|
|
48 ngx_http_static_handler(ngx_http_request_t *r)
|
50
|
49 {
|
106
|
50 u_char *last, *location;
|
380
|
51 size_t root, len;
|
332
|
52 ngx_str_t path;
|
106
|
53 ngx_int_t rc;
|
|
54 ngx_uint_t level;
|
|
55 ngx_log_t *log;
|
|
56 ngx_buf_t *b;
|
|
57 ngx_chain_t out;
|
332
|
58 ngx_open_file_info_t of;
|
106
|
59 ngx_http_core_loc_conf_t *clcf;
|
50
|
60
|
398
|
61 if (!(r->method & (NGX_HTTP_GET|NGX_HTTP_HEAD|NGX_HTTP_POST))) {
|
188
|
62 return NGX_HTTP_NOT_ALLOWED;
|
|
63 }
|
|
64
|
50
|
65 if (r->uri.data[r->uri.len - 1] == '/') {
|
|
66 return NGX_DECLINED;
|
|
67 }
|
|
68
|
|
69 log = r->connection->log;
|
|
70
|
|
71 /*
|
106
|
72 * ngx_http_map_uri_to_path() allocates memory for terminating '\0'
|
|
73 * so we do not need to reserve memory for '/' for possible redirect
|
50
|
74 */
|
|
75
|
248
|
76 last = ngx_http_map_uri_to_path(r, &path, &root, 0);
|
106
|
77 if (last == NULL) {
|
|
78 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
50
|
79 }
|
|
80
|
332
|
81 path.len = last - path.data;
|
|
82
|
50
|
83 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, log, 0,
|
106
|
84 "http filename: \"%s\"", path.data);
|
50
|
85
|
332
|
86 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
112
|
87
|
384
|
88 ngx_memzero(&of, sizeof(ngx_open_file_info_t));
|
|
89
|
390
|
90 of.directio = clcf->directio;
|
358
|
91 of.valid = clcf->open_file_cache_valid;
|
|
92 of.min_uses = clcf->open_file_cache_min_uses;
|
332
|
93 of.errors = clcf->open_file_cache_errors;
|
|
94 of.events = clcf->open_file_cache_events;
|
|
95
|
362
|
96 if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool)
|
|
97 != NGX_OK)
|
|
98 {
|
332
|
99 switch (of.err) {
|
50
|
100
|
332
|
101 case 0:
|
|
102 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
103
|
|
104 case NGX_ENOENT:
|
|
105 case NGX_ENOTDIR:
|
|
106 case NGX_ENAMETOOLONG:
|
|
107
|
50
|
108 level = NGX_LOG_ERR;
|
|
109 rc = NGX_HTTP_NOT_FOUND;
|
332
|
110 break;
|
50
|
111
|
332
|
112 case NGX_EACCES:
|
|
113
|
50
|
114 level = NGX_LOG_ERR;
|
|
115 rc = NGX_HTTP_FORBIDDEN;
|
332
|
116 break;
|
50
|
117
|
332
|
118 default:
|
|
119
|
50
|
120 level = NGX_LOG_CRIT;
|
|
121 rc = NGX_HTTP_INTERNAL_SERVER_ERROR;
|
332
|
122 break;
|
50
|
123 }
|
|
124
|
76
|
125 if (rc != NGX_HTTP_NOT_FOUND || clcf->log_not_found) {
|
332
|
126 ngx_log_error(level, log, of.err,
|
482
|
127 "%s \"%s\" failed", of.failed, path.data);
|
76
|
128 }
|
50
|
129
|
|
130 return rc;
|
|
131 }
|
|
132
|
438
|
133 r->root_tested = !r->error_page;
|
388
|
134
|
356
|
135 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, log, 0, "http static fd: %d", of.fd);
|
50
|
136
|
332
|
137 if (of.is_dir) {
|
50
|
138
|
|
139 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, log, 0, "http dir");
|
|
140
|
58
|
141 r->headers_out.location = ngx_palloc(r->pool, sizeof(ngx_table_elt_t));
|
50
|
142 if (r->headers_out.location == NULL) {
|
|
143 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
144 }
|
|
145
|
380
|
146 len = r->uri.len + 1;
|
|
147
|
|
148 if (!clcf->alias && clcf->root_lengths == NULL && r->args.len == 0) {
|
106
|
149 location = path.data + clcf->root.len;
|
|
150
|
380
|
151 *last = '/';
|
|
152
|
106
|
153 } else {
|
380
|
154 if (r->args.len) {
|
|
155 len += r->args.len + 1;
|
|
156 }
|
|
157
|
382
|
158 location = ngx_pnalloc(r->pool, len);
|
106
|
159 if (location == NULL) {
|
|
160 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
161 }
|
|
162
|
122
|
163 last = ngx_copy(location, r->uri.data, r->uri.len);
|
380
|
164
|
|
165 *last = '/';
|
106
|
166
|
380
|
167 if (r->args.len) {
|
|
168 *++last = '?';
|
|
169 ngx_memcpy(++last, r->args.data, r->args.len);
|
|
170 }
|
|
171 }
|
106
|
172
|
58
|
173 /*
|
|
174 * we do not need to set the r->headers_out.location->hash and
|
|
175 * r->headers_out.location->key fields
|
|
176 */
|
50
|
177
|
380
|
178 r->headers_out.location->value.len = len;
|
106
|
179 r->headers_out.location->value.data = location;
|
50
|
180
|
|
181 return NGX_HTTP_MOVED_PERMANENTLY;
|
|
182 }
|
|
183
|
|
184 #if !(NGX_WIN32) /* the not regular files are probably Unix specific */
|
|
185
|
332
|
186 if (!of.is_file) {
|
508
|
187 ngx_log_error(NGX_LOG_CRIT, log, 0,
|
106
|
188 "\"%s\" is not a regular file", path.data);
|
50
|
189
|
|
190 return NGX_HTTP_NOT_FOUND;
|
|
191 }
|
|
192
|
|
193 #endif
|
|
194
|
398
|
195 if (r->method & NGX_HTTP_POST) {
|
|
196 return NGX_HTTP_NOT_ALLOWED;
|
|
197 }
|
|
198
|
|
199 rc = ngx_http_discard_request_body(r);
|
|
200
|
|
201 if (rc != NGX_OK) {
|
|
202 return rc;
|
|
203 }
|
|
204
|
58
|
205 log->action = "sending response to client";
|
50
|
206
|
|
207 r->headers_out.status = NGX_HTTP_OK;
|
332
|
208 r->headers_out.content_length_n = of.size;
|
|
209 r->headers_out.last_modified_time = of.mtime;
|
50
|
210
|
|
211 if (ngx_http_set_content_type(r) != NGX_OK) {
|
|
212 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
213 }
|
|
214
|
430
|
215 if (r != r->main && of.size == 0) {
|
132
|
216 return ngx_http_send_header(r);
|
|
217 }
|
|
218
|
136
|
219 r->allow_ranges = 1;
|
|
220
|
126
|
221 /* we need to allocate all before the header would be sent */
|
50
|
222
|
126
|
223 b = ngx_pcalloc(r->pool, sizeof(ngx_buf_t));
|
|
224 if (b == NULL) {
|
|
225 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
226 }
|
50
|
227
|
126
|
228 b->file = ngx_pcalloc(r->pool, sizeof(ngx_file_t));
|
|
229 if (b->file == NULL) {
|
|
230 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
231 }
|
50
|
232
|
|
233 rc = ngx_http_send_header(r);
|
|
234
|
134
|
235 if (rc == NGX_ERROR || rc > NGX_OK || r->header_only) {
|
50
|
236 return rc;
|
|
237 }
|
|
238
|
|
239 b->file_pos = 0;
|
332
|
240 b->file_last = of.size;
|
50
|
241
|
126
|
242 b->in_file = b->file_last ? 1: 0;
|
146
|
243 b->last_buf = (r == r->main) ? 1: 0;
|
126
|
244 b->last_in_chain = 1;
|
|
245
|
356
|
246 b->file->fd = of.fd;
|
106
|
247 b->file->name = path;
|
50
|
248 b->file->log = log;
|
406
|
249 b->file->directio = of.is_directio;
|
50
|
250
|
|
251 out.buf = b;
|
|
252 out.next = NULL;
|
|
253
|
|
254 return ngx_http_output_filter(r, &out);
|
|
255 }
|
|
256
|
|
257
|
58
|
258 static ngx_int_t
|
230
|
259 ngx_http_static_init(ngx_conf_t *cf)
|
50
|
260 {
|
|
261 ngx_http_handler_pt *h;
|
|
262 ngx_http_core_main_conf_t *cmcf;
|
|
263
|
230
|
264 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module);
|
126
|
265
|
50
|
266 h = ngx_array_push(&cmcf->phases[NGX_HTTP_CONTENT_PHASE].handlers);
|
|
267 if (h == NULL) {
|
|
268 return NGX_ERROR;
|
|
269 }
|
|
270
|
|
271 *h = ngx_http_static_handler;
|
|
272
|
|
273 return NGX_OK;
|
|
274 }
|