1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
|
#include <ngx_config.h>
#include <ngx_core.h>
#include <ngx_string.h>
#include <ngx_file.h>
#include <ngx_hunk.h>
#include <ngx_http.h>
#include <ngx_http_config.h>
#include <ngx_http_core_module.h>
#include <ngx_http_output_filter.h>
ngx_http_module_t ngx_http_static_module;
int ngx_http_static_handler(ngx_http_request_t *r)
{
int rc, key, i;
ngx_log_e level;
ngx_err_t err;
ngx_hunk_t *h;
ngx_http_type_t *type;
ngx_http_log_ctx_t *ctx;
ngx_http_core_loc_conf_t *core_lcf;
core_lcf = (ngx_http_core_loc_conf_t *)
ngx_http_get_module_loc_conf(r, ngx_http_core_module_ctx);
#if 0
ngx_http_event_static_handler_loc_conf_t *lcf;
lcf = (ngx_http_event_static_handler_loc_conf_t *)
ngx_get_module_loc_conf(r, &ngx_http_event_static_handler_module_ctx);
#endif
rc = ngx_http_discard_body(r);
if (rc != NGX_OK) {
return rc;
}
ctx = r->connection->log->data;
ctx->action = "sending response";
if (r->file.fd == NGX_INVALID_FILE) {
r->file.fd = ngx_open_file(r->file.name.data, NGX_FILE_RDONLY);
if (r->file.fd == NGX_INVALID_FILE) {
err = ngx_errno;
if (err == NGX_ENOENT || err == NGX_ENOTDIR) {
level = NGX_LOG_ERR;
rc = NGX_HTTP_NOT_FOUND;
} else {
level = NGX_LOG_CRIT;
rc = NGX_HTTP_INTERNAL_SERVER_ERROR;
}
ngx_log_error(level, r->connection->log, ngx_errno,
ngx_open_file_n " %s failed", r->file.name.data);
return rc;
}
}
if (!r->file.info_valid) {
if (ngx_stat_fd(r->file.fd, &r->file.info) == NGX_FILE_ERROR) {
ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno,
ngx_stat_fd_n " %s failed", r->file.name.data);
if (ngx_close_file(r->file.fd) == NGX_FILE_ERROR)
ngx_log_error(NGX_LOG_ALERT, r->connection->log, ngx_errno,
ngx_close_file_n " %s failed", r->file.name.data);
return NGX_HTTP_INTERNAL_SERVER_ERROR;
}
r->file.info_valid = 1;
}
#if !(WIN32) /* the not regular files are probably Unix specific */
if (!ngx_is_file(r->file.info)) {
ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno,
"%s is not regular file", r->file.name.data);
if (ngx_close_file(r->file.fd) == NGX_FILE_ERROR)
ngx_log_error(NGX_LOG_ALERT, r->connection->log, ngx_errno,
ngx_close_file_n " %s failed", r->file.name.data);
return NGX_HTTP_NOT_FOUND;
}
#endif
r->headers_out.status = NGX_HTTP_OK;
r->headers_out.content_length = ngx_file_size(r->file.info);
r->headers_out.last_modified_time = ngx_file_mtime(r->file.info);
ngx_test_null(r->headers_out.content_type,
ngx_push_table(r->headers_out.headers),
NGX_HTTP_INTERNAL_SERVER_ERROR);
r->headers_out.content_type->key.len = 12;
r->headers_out.content_type->key.data = "Content-Type";
if (r->exten.len) {
ngx_http_types_hash_key(key, r->exten);
type = (ngx_http_type_t *) core_lcf->types[key].elts;
for (i = 0; i < core_lcf->types[key].nelts; i++) {
if (r->exten.len != type[i].exten.len) {
continue;
}
if (ngx_strcasecmp(r->exten.data, type[i].exten.data) == 0) {
r->headers_out.content_type->value.len = type[i].type.len;
r->headers_out.content_type->value.data = type[i].type.data;
}
}
}
if (r->headers_out.content_type->value.len == 0) {
/* STUB: default type */
r->headers_out.content_type->value.len = 25;
r->headers_out.content_type->value.data = "text/html; charset=koi8-r";
}
/* we need to allocate all before the header would be sent */
ngx_test_null(h, ngx_pcalloc(r->pool, sizeof(ngx_hunk_t)),
NGX_HTTP_INTERNAL_SERVER_ERROR);
ngx_test_null(h->file, ngx_pcalloc(r->pool, sizeof(ngx_file_t)),
NGX_HTTP_INTERNAL_SERVER_ERROR);
ngx_http_send_header(r);
if (r->header_only)
return NGX_OK;
h->type = NGX_HUNK_FILE|NGX_HUNK_LAST;
h->file_pos = 0;
h->file_last = ngx_file_size(r->file.info);
h->file->fd = r->file.fd;
h->file->log = r->connection->log;
rc = ngx_http_output_filter(r, h);
if (r->main == NULL) {
if (rc == NGX_AGAIN) {
ngx_http_set_write_handler(r);
} else {
ngx_http_finalize_request(r, 0);
}
}
return NGX_OK;
}
|