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#include <ngx_config.h>
#include <ngx_core.h>
#include <ngx_http.h>
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 *clcf;
rc = ngx_http_discard_body(r);
if (rc != NGX_OK) {
return rc;
}
if (r->method != NGX_HTTP_GET && r->method != NGX_HTTP_HEAD) {
return NGX_HTTP_NOT_ALLOWED;
}
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, NGX_FILE_OPEN);
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 = 0;
r->headers_out.content_type->key.data = NULL;
r->headers_out.content_type->value.len = 0;
r->headers_out.content_type->value.data = NULL;
clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
if (r->exten.len) {
ngx_http_types_hash_key(key, r->exten);
type = (ngx_http_type_t *) clcf->types[key].elts;
for (i = 0; i < clcf->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;
break;
}
}
}
if (r->headers_out.content_type->value.len == 0) {
r->headers_out.content_type->value.len = clcf->default_type.len;
r->headers_out.content_type->value.data = clcf->default_type.data;
}
/* 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);
rc = ngx_http_send_header(r);
if (rc == NGX_ERROR || rc > NGX_OK || r->header_only) {
return rc;
}
h->type = r->main ? NGX_HUNK_FILE : 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;
return ngx_http_output_filter(r, h);
}
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