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[m6w6/ext-http] / http_send_api.c
1 /*
2 +--------------------------------------------------------------------+
3 | PECL :: http |
4 +--------------------------------------------------------------------+
5 | Redistribution and use in source and binary forms, with or without |
6 | modification, are permitted provided that the conditions mentioned |
7 | in the accompanying LICENSE file are met. |
8 +--------------------------------------------------------------------+
9 | Copyright (c) 2004-2006, Michael Wallner <mike@php.net> |
10 +--------------------------------------------------------------------+
11 */
12
13 /* $Id$ */
14
15 #define HTTP_WANT_SAPI
16 #define HTTP_WANT_ZLIB
17 #define HTTP_WANT_MAGIC
18 #include "php_http.h"
19
20 #include "php_streams.h"
21 #include "ext/standard/php_lcg.h"
22
23 #include "php_http_api.h"
24 #include "php_http_cache_api.h"
25 #include "php_http_date_api.h"
26 #include "php_http_encoding_api.h"
27 #include "php_http_headers_api.h"
28 #include "php_http_send_api.h"
29
30 /* {{{ http_flush() */
31 #define http_flush(d, l) _http_flush(NULL, (d), (l) TSRMLS_CC)
32 static inline void _http_flush(void *nothing, const char *data, size_t data_len TSRMLS_DC)
33 {
34 PHPWRITE(data, data_len);
35 /* we really only need to flush when throttling is enabled,
36 because we push the data as fast as possible anyway if not */
37 if (HTTP_G->send.throttle_delay >= HTTP_DIFFSEC) {
38 if (OG(ob_nesting_level)) {
39 php_end_ob_buffer(1, 1 TSRMLS_CC);
40 }
41 if (!OG(implicit_flush)) {
42 sapi_flush(TSRMLS_C);
43 }
44 http_sleep(HTTP_G->send.throttle_delay);
45 }
46 }
47 /* }}} */
48
49 /* {{{ http_send_response_start */
50 #define http_send_response_start(b, cl) _http_send_response_start((b), (cl) TSRMLS_CC)
51 static inline void _http_send_response_start(void **buffer, size_t content_length TSRMLS_DC)
52 {
53 int encoding;
54
55 if ((encoding = http_encoding_response_start(content_length, 0))) {
56 #ifdef HTTP_HAVE_ZLIB
57 *buffer = http_encoding_deflate_stream_init(NULL,
58 (encoding == HTTP_ENCODING_GZIP) ?
59 HTTP_DEFLATE_TYPE_GZIP : HTTP_DEFLATE_TYPE_ZLIB);
60 #endif
61 }
62 /* flush headers */
63 sapi_flush(TSRMLS_C);
64 }
65 /* }}} */
66
67 /* {{{ http_send_response_data_plain */
68 #define http_send_response_data_plain(b, d, dl) _http_send_response_data_plain((b), (d), (dl) TSRMLS_CC)
69 static inline void _http_send_response_data_plain(void **buffer, const char *data, size_t data_len TSRMLS_DC)
70 {
71 if (HTTP_G->send.deflate.response && HTTP_G->send.deflate.encoding) {
72 #ifdef HTTP_HAVE_ZLIB
73 char *encoded;
74 size_t encoded_len;
75 http_encoding_stream *s = *((http_encoding_stream **) buffer);
76
77 http_encoding_deflate_stream_update(s, data, data_len, &encoded, &encoded_len);
78 if (HTTP_G->send.buffer_size) {
79 phpstr_chunked_output((phpstr **) &s->storage, encoded, encoded_len, HTTP_G->send.buffer_size, _http_flush, NULL TSRMLS_CC);
80 } else {
81 http_flush(encoded, encoded_len);
82 }
83 efree(encoded);
84 #else
85 http_error(HE_ERROR, HTTP_E_RESPONSE, "Attempt to send GZIP response despite being able to do so; please report this bug");
86 #endif
87 } else if (HTTP_G->send.buffer_size) {
88 phpstr_chunked_output((phpstr **) buffer, data, data_len, HTTP_G->send.buffer_size, _http_flush, NULL TSRMLS_CC);
89 } else {
90 http_flush(data, data_len);
91 }
92 }
93 /* }}} */
94
95 /* {{{ http_send_response_data_fetch */
96 #define http_send_response_data_fetch(b, d, l, m, s, e) _http_send_response_data_fetch((b), (d), (l), (m), (s), (e) TSRMLS_CC)
97 static inline void _http_send_response_data_fetch(void **buffer, const void *data, size_t data_len, http_send_mode mode, size_t begin, size_t end TSRMLS_DC)
98 {
99 long bsz, got, len = end - begin;
100
101 if (!(bsz = HTTP_G->send.buffer_size)) {
102 bsz = HTTP_SENDBUF_SIZE;
103 }
104
105 switch (mode) {
106 case SEND_RSRC: {
107 php_stream *s = (php_stream *) data;
108 if (SUCCESS == php_stream_seek(s, begin, SEEK_SET)) {
109 char *buf = emalloc(bsz);
110
111 while (len > 0) {
112 got = php_stream_read(s, buf, MIN(len, bsz));
113 http_send_response_data_plain(buffer, buf, got);
114 len -= got;
115 }
116
117 efree(buf);
118 }
119 break;
120 }
121 case SEND_DATA: {
122 const char *buf = data + begin;
123 while (len > 0) {
124 got = MIN(len, bsz);
125 http_send_response_data_plain(buffer, buf, got);
126 len -= got;
127 buf += got;
128 }
129 break;
130 }
131 EMPTY_SWITCH_DEFAULT_CASE();
132 }
133 }
134 /* }}} */
135
136 /* {{{ http_send_response_finish */
137 #define http_send_response_finish(b) _http_send_response_finish((b) TSRMLS_CC)
138 static inline void _http_send_response_finish(void **buffer TSRMLS_DC)
139 {
140 if (HTTP_G->send.deflate.response && HTTP_G->send.deflate.encoding) {
141 #ifdef HTTP_HAVE_ZLIB
142 char *encoded = NULL;
143 size_t encoded_len = 0;
144 http_encoding_stream *s = *((http_encoding_stream **) buffer);
145
146 http_encoding_deflate_stream_finish(s, &encoded, &encoded_len);
147 if (HTTP_G->send.buffer_size) {
148 phpstr_chunked_output((phpstr **) &s->storage, encoded, encoded_len, 0, _http_flush, NULL TSRMLS_CC);
149 } else {
150 http_flush(encoded, encoded_len);
151 }
152 http_encoding_deflate_stream_free(&s);
153 STR_FREE(encoded);
154 #else
155 http_error(HE_ERROR, HTTP_E_RESPONSE, "Attempt to send GZIP response despite being able to do so; please report this bug");
156 #endif
157 } else if (HTTP_G->send.buffer_size) {
158 phpstr_chunked_output((phpstr **) buffer, NULL, 0, 0, _http_flush, NULL TSRMLS_CC);
159 }
160 }
161 /* }}} */
162
163 /* {{{ */
164 PHP_MINIT_FUNCTION(http_send)
165 {
166 HTTP_LONG_CONSTANT("HTTP_REDIRECT", HTTP_REDIRECT);
167 HTTP_LONG_CONSTANT("HTTP_REDIRECT_PERM", HTTP_REDIRECT_PERM);
168 HTTP_LONG_CONSTANT("HTTP_REDIRECT_FOUND", HTTP_REDIRECT_FOUND);
169 HTTP_LONG_CONSTANT("HTTP_REDIRECT_POST", HTTP_REDIRECT_POST);
170 HTTP_LONG_CONSTANT("HTTP_REDIRECT_PROXY", HTTP_REDIRECT_PROXY);
171 HTTP_LONG_CONSTANT("HTTP_REDIRECT_TEMP", HTTP_REDIRECT_TEMP);
172
173 return SUCCESS;
174 }
175 /* }}} */
176
177 /* {{{ http_find_header */
178 typedef struct {
179 const char *h;
180 size_t l;
181 } http_response_header_t;
182
183 static int http_find_header(void *data, void *arg)
184 {
185 http_response_header_t *h = arg;
186 sapi_header_struct *s = data;
187
188 return (!strncasecmp(s->header, h->h, h->l)) && s->header[h->l] == ':';
189 }
190 /* }}} */
191
192 /* {{{ void http_hide_header(char *) */
193 PHP_HTTP_API void _http_hide_header_ex(const char *name, size_t name_len TSRMLS_DC)
194 {
195 http_response_header_t h = {name, name_len};
196 zend_llist_del_element(&SG(sapi_headers).headers, (void *) &h, http_find_header);
197 }
198 /* }}} */
199
200 /* {{{ void http_send_header_zval(char*, zval **, zend_bool) */
201 PHP_HTTP_API void _http_send_header_zval_ex(const char *name, size_t name_len, zval **val, zend_bool replace TSRMLS_DC)
202 {
203 if (!val || !*val || Z_TYPE_PP(val) == IS_NULL || (Z_TYPE_PP(val) == IS_STRING && !Z_STRLEN_PP(val))) {
204 http_hide_header_ex(name, name_len);
205 } else if (Z_TYPE_PP(val) == IS_ARRAY || Z_TYPE_PP(val) == IS_OBJECT) {
206 zend_bool first = replace;
207 zval **data;
208 HashPosition pos;
209
210 FOREACH_HASH_VAL(pos, HASH_OF(*val), data) {
211 zval *orig = *data;
212
213 convert_to_string_ex(data);
214 http_send_header_ex(name, name_len, Z_STRVAL_PP(data), Z_STRLEN_PP(data), first, NULL);
215 if (orig != *data) {
216 zval_ptr_dtor(data);
217 }
218 first = 0;
219 }
220 } else {
221 zval *orig = *val;
222
223 convert_to_string_ex(val);
224 http_send_header_ex(name, name_len, Z_STRVAL_PP(val), Z_STRLEN_PP(val), replace, NULL);
225 if (orig != *val) {
226 zval_ptr_dtor(val);
227 }
228 }
229 }
230 /* }}} */
231
232 /* {{{ STATUS http_send_header(char *, char *, zend_bool) */
233 PHP_HTTP_API STATUS _http_send_header_ex(const char *name, size_t name_len, const char *value, size_t value_len, zend_bool replace, char **sent_header TSRMLS_DC)
234 {
235 STATUS ret;
236
237 if (value && value_len) {
238 size_t header_len = sizeof(": ") + name_len + value_len + 1;
239 char *header = emalloc(header_len + 1);
240
241 header[header_len] = '\0';
242 header_len = snprintf(header, header_len, "%s: %s", name, value);
243 ret = http_send_header_string_ex(header, header_len, replace);
244 if (sent_header) {
245 *sent_header = header;
246 } else {
247 efree(header);
248 }
249 } else {
250 http_hide_header_ex(name, name_len);
251 ret = SUCCESS;
252 }
253 return ret;
254 }
255 /* }}} */
256
257 /* {{{ STATUS http_send_status_header(int, char *) */
258 PHP_HTTP_API STATUS _http_send_status_header_ex(int status, const char *header, size_t header_len, zend_bool replace TSRMLS_DC)
259 {
260 STATUS ret;
261 sapi_header_line h = {(char *) header, header_len, status};
262 if (SUCCESS != (ret = sapi_header_op(replace ? SAPI_HEADER_REPLACE : SAPI_HEADER_ADD, &h TSRMLS_CC))) {
263 http_error_ex(HE_WARNING, HTTP_E_HEADER, "Could not send header: %s (%d)", header, status);
264 }
265 return ret;
266 }
267 /* }}} */
268
269 /* {{{ STATUS http_send_last_modified(int) */
270 PHP_HTTP_API STATUS _http_send_last_modified_ex(time_t t, char **sent_header TSRMLS_DC)
271 {
272 STATUS ret;
273 char *date = http_date(t);
274
275 if (!date) {
276 return FAILURE;
277 }
278
279 ret = http_send_header_ex("Last-Modified", lenof("Last-Modified"), date, strlen(date), 1, sent_header);
280 efree(date);
281
282 /* remember */
283 HTTP_G->send.last_modified = t;
284
285 return ret;
286 }
287 /* }}} */
288
289 /* {{{ STATUS http_send_etag(char *, size_t) */
290 PHP_HTTP_API STATUS _http_send_etag_ex(const char *etag, size_t etag_len, char **sent_header TSRMLS_DC)
291 {
292 STATUS status;
293 char *etag_header;
294 size_t etag_header_len;
295
296 if (!etag_len){
297 http_error_ex(HE_WARNING, HTTP_E_HEADER, "Attempt to send empty ETag (previous: %s)\n", HTTP_G->send.unquoted_etag);
298 return FAILURE;
299 }
300
301 etag_header_len = spprintf(&etag_header, 0, "ETag: \"%s\"", etag);
302 status = http_send_header_string_ex(etag_header, etag_header_len, 1);
303
304 /* remember */
305 STR_SET(HTTP_G->send.unquoted_etag, estrndup(etag, etag_len));
306
307 if (sent_header) {
308 *sent_header = etag_header;
309 } else {
310 efree(etag_header);
311 }
312
313 return status;
314 }
315 /* }}} */
316
317 /* {{{ STATUS http_send_content_type(char *, size_t) */
318 PHP_HTTP_API STATUS _http_send_content_type(const char *content_type, size_t ct_len TSRMLS_DC)
319 {
320 HTTP_CHECK_CONTENT_TYPE(content_type, return FAILURE);
321
322 /* remember for multiple ranges */
323 STR_FREE(HTTP_G->send.content_type);
324 HTTP_G->send.content_type = estrndup(content_type, ct_len);
325
326 return http_send_header_ex("Content-Type", lenof("Content-Type"), content_type, ct_len, 1, NULL);
327 }
328 /* }}} */
329
330 /* {{{ STATUS http_send_content_disposition(char *, size_t, zend_bool) */
331 PHP_HTTP_API STATUS _http_send_content_disposition(const char *filename, size_t f_len, zend_bool send_inline TSRMLS_DC)
332 {
333 STATUS status;
334 char *cd_header;
335
336 if (send_inline) {
337 cd_header = ecalloc(1, sizeof("Content-Disposition: inline; filename=\"\"") + f_len);
338 sprintf(cd_header, "Content-Disposition: inline; filename=\"%s\"", filename);
339 } else {
340 cd_header = ecalloc(1, sizeof("Content-Disposition: attachment; filename=\"\"") + f_len);
341 sprintf(cd_header, "Content-Disposition: attachment; filename=\"%s\"", filename);
342 }
343
344 status = http_send_header_string(cd_header);
345 efree(cd_header);
346 return status;
347 }
348 /* }}} */
349
350 /* {{{ STATUS http_send(void *, size_t, http_send_mode) */
351 PHP_HTTP_API STATUS _http_send_ex(const void *data_ptr, size_t data_size, http_send_mode data_mode, zend_bool no_cache TSRMLS_DC)
352 {
353 void *s = NULL;
354 HashTable ranges;
355 http_range_status range_status;
356
357 if (!data_ptr) {
358 return FAILURE;
359 }
360 if (!data_size) {
361 return SUCCESS;
362 }
363
364 /* enable partial dl and resume */
365 http_send_header_string("Accept-Ranges: bytes");
366
367 zend_hash_init(&ranges, 0, NULL, ZVAL_PTR_DTOR, 0);
368 range_status = http_get_request_ranges(&ranges, data_size);
369
370 switch (range_status) {
371 case RANGE_ERR:
372 {
373 zend_hash_destroy(&ranges);
374 http_send_status(416);
375 return FAILURE;
376 }
377 case RANGE_OK:
378 {
379 /* Range Request - only send ranges if entity hasn't changed */
380 if ( http_got_server_var("HTTP_IF_RANGE") &&
381 !http_match_etag("HTTP_IF_RANGE", HTTP_G->send.unquoted_etag) &&
382 !http_match_last_modified("HTTP_IF_RANGE", HTTP_G->send.last_modified)) {
383 /* fallthrough to send full entity with 200 Ok */
384 no_cache = 1;
385 } else if ( !http_match_etag_ex("HTTP_IF_MATCH", HTTP_G->send.unquoted_etag, 0) ||
386 !http_match_last_modified_ex("HTTP_IF_UNMODIFIED_SINCE", HTTP_G->send.last_modified, 0) ||
387 !http_match_last_modified_ex("HTTP_UNLESS_MODIFIED_SINCE", HTTP_G->send.last_modified, 0)) {
388 /* 412 Precondition failed */
389 zend_hash_destroy(&ranges);
390 http_send_status(412);
391 return FAILURE;
392 } else if (zend_hash_num_elements(&ranges) == 1) {
393 /* single range */
394 zval **range, **begin, **end;
395
396 if ( SUCCESS != zend_hash_index_find(&ranges, 0, (void *) &range) ||
397 SUCCESS != zend_hash_index_find(Z_ARRVAL_PP(range), 0, (void *) &begin) ||
398 SUCCESS != zend_hash_index_find(Z_ARRVAL_PP(range), 1, (void *) &end)) {
399 /* this should never happen */
400 zend_hash_destroy(&ranges);
401 http_send_status(500);
402 return FAILURE;
403 } else {
404 char range_header_str[256];
405 size_t range_header_len;
406
407 range_header_len = snprintf(range_header_str, lenof(range_header_str), "Content-Range: bytes %ld-%ld/%zu", Z_LVAL_PP(begin), Z_LVAL_PP(end), data_size);
408 http_send_status_header_ex(206, range_header_str, range_header_len, 1);
409 http_send_response_start(&s, Z_LVAL_PP(end)-Z_LVAL_PP(begin)+1);
410 http_send_response_data_fetch(&s, data_ptr, data_size, data_mode, Z_LVAL_PP(begin), Z_LVAL_PP(end) + 1);
411 http_send_response_finish(&s);
412 zend_hash_destroy(&ranges);
413 return SUCCESS;
414 }
415 } else {
416 /* multi range */
417 HashPosition pos;
418 zval **range, **begin, **end;
419 const char *content_type = HTTP_G->send.content_type;
420 char boundary_str[32], range_header_str[256];
421 size_t boundary_len, range_header_len;
422
423 boundary_len = snprintf(boundary_str, lenof(boundary_str), "%lu%0.9f", (ulong) HTTP_G->request.time, (float) php_combined_lcg(TSRMLS_C));
424 range_header_len = snprintf(range_header_str, lenof(range_header_str), "Content-Type: multipart/byteranges; boundary=%s", boundary_str);
425
426 http_send_status_header_ex(206, range_header_str, range_header_len, 1);
427 http_send_response_start(&s, 0);
428
429 if (!content_type) {
430 content_type = "application/x-octetstream";
431 }
432
433 FOREACH_HASH_VAL(pos, &ranges, range) {
434 if ( SUCCESS == zend_hash_index_find(Z_ARRVAL_PP(range), 0, (void *) &begin) &&
435 SUCCESS == zend_hash_index_find(Z_ARRVAL_PP(range), 1, (void *) &end)) {
436 char preface_str[512];
437 size_t preface_len;
438
439 #define HTTP_RANGE_PREFACE \
440 HTTP_CRLF "--%s" \
441 HTTP_CRLF "Content-Type: %s" \
442 HTTP_CRLF "Content-Range: bytes %ld-%ld/%zu" \
443 HTTP_CRLF HTTP_CRLF
444
445 preface_len = snprintf(preface_str, lenof(preface_str), HTTP_RANGE_PREFACE, boundary_str, content_type, Z_LVAL_PP(begin), Z_LVAL_PP(end), data_size);
446 http_send_response_data_plain(&s, preface_str, preface_len);
447 http_send_response_data_fetch(&s, data_ptr, data_size, data_mode, Z_LVAL_PP(begin), Z_LVAL_PP(end) + 1);
448 }
449 }
450
451 http_send_response_data_plain(&s, HTTP_CRLF "--", lenof(HTTP_CRLF "--"));
452 http_send_response_data_plain(&s, boundary_str, boundary_len);
453 http_send_response_data_plain(&s, "--", lenof("--"));
454
455 http_send_response_finish(&s);
456 zend_hash_destroy(&ranges);
457 return SUCCESS;
458 }
459 }
460 case RANGE_NO:
461 {
462 zend_hash_destroy(&ranges);
463
464 /* send 304 Not Modified if etag matches - DON'T return on ETag generation failure */
465 if (!no_cache && (http_interrupt_ob_etaghandler() || (HTTP_G->send.unquoted_etag != NULL))) {
466 char *etag = NULL;
467
468 if (HTTP_G->send.unquoted_etag) {
469 etag = estrdup(HTTP_G->send.unquoted_etag);
470 }
471
472 if (etag || (etag = http_etag(data_ptr, data_size, data_mode))) {
473 char *sent_header = NULL;
474
475 http_send_etag_ex(etag, strlen(etag), &sent_header);
476 if (http_match_etag("HTTP_IF_NONE_MATCH", etag)) {
477 return http_exit_ex(304, sent_header, NULL, 0);
478 } else {
479 STR_FREE(sent_header);
480 /* no caching for Last-Modified if ETags really don't match */
481 no_cache = http_got_server_var("HTTP_IF_NONE_MATCH");
482 }
483 efree(etag);
484 }
485 }
486
487 /* send 304 Not Modified if last modified matches */
488 if (!no_cache && http_match_last_modified("HTTP_IF_MODIFIED_SINCE", HTTP_G->send.last_modified)) {
489 char *sent_header = NULL;
490 http_send_last_modified_ex(HTTP_G->send.last_modified, &sent_header);
491 return http_exit_ex(304, sent_header, NULL, 0);
492 }
493
494 /* send full response */
495 http_send_response_start(&s, data_size);
496 http_send_response_data_fetch(&s, data_ptr, data_size, data_mode, 0, data_size);
497 http_send_response_finish(&s);
498 return SUCCESS;
499 }
500 }
501 return FAILURE;
502 }
503 /* }}} */
504
505 /* {{{ STATUS http_send_stream(php_stream *) */
506 PHP_HTTP_API STATUS _http_send_stream_ex(php_stream *file, zend_bool close_stream, zend_bool no_cache TSRMLS_DC)
507 {
508 STATUS status;
509 php_stream_statbuf ssb;
510 int orig_flags;
511
512 if ((!file) || php_stream_stat(file, &ssb)) {
513 char *defct = sapi_get_default_content_type(TSRMLS_C);
514
515 http_hide_header("Content-Disposition");
516 http_send_content_type(defct, strlen(defct));
517 http_error(HE_WARNING, HTTP_E_RESPONSE, "File not found; stat failed");
518 STR_FREE(defct);
519
520 if (HTTP_G->send.not_found_404) {
521 http_exit_ex(404, NULL, estrdup("File not found\n"), 0);
522 }
523 return FAILURE;
524 }
525
526 orig_flags = file->flags;
527 file->flags |= PHP_STREAM_FLAG_NO_BUFFER;
528 status = http_send_ex(file, ssb.sb.st_size, SEND_RSRC, no_cache);
529 file->flags = orig_flags;
530
531 if (close_stream) {
532 php_stream_close(file);
533 }
534
535 return status;
536 }
537 /* }}} */
538
539 /* {{{ char *http_guess_content_type(char *magic_file, long magic_mode, void *data, size_t size, http_send_mode mode) */
540 PHP_HTTP_API char *_http_guess_content_type(const char *magicfile, long magicmode, void *data_ptr, size_t data_len, http_send_mode data_mode TSRMLS_DC)
541 {
542 char *ct = NULL;
543
544 #ifdef HTTP_HAVE_MAGIC
545 struct magic_set *magic = NULL;
546
547 HTTP_CHECK_OPEN_BASEDIR(magicfile, return NULL);
548
549 if (!data_ptr) {
550 http_error(HE_WARNING, HTTP_E_INVALID_PARAM, "Supplied payload is empty");
551 } else if (!(magic = magic_open(magicmode &~ MAGIC_MIME))) {
552 http_error_ex(HE_WARNING, HTTP_E_INVALID_PARAM, "Invalid magic mode: %ld", magicmode);
553 } else if (-1 == magic_load(magic, magicfile)) {
554 http_error_ex(HE_WARNING, HTTP_E_RUNTIME, "Failed to load magic database '%s' (%s)", magicfile, magic_error(magic));
555 } else {
556 const char *ctype = NULL;
557
558 magic_setflags(magic, magicmode);
559
560 switch (data_mode) {
561 case SEND_RSRC:
562 {
563 char *buffer;
564 size_t b_len;
565
566 b_len = php_stream_copy_to_mem(data_ptr, &buffer, 65536, 0);
567 ctype = magic_buffer(magic, buffer, b_len);
568 efree(buffer);
569 break;
570 }
571
572 case SEND_DATA:
573 ctype = magic_buffer(magic, data_ptr, data_len);
574 break;
575
576 default:
577 HTTP_CHECK_OPEN_BASEDIR(data_ptr, magic_close(magic); return NULL);
578 ctype = magic_file(magic, data_ptr);
579 break;
580 }
581
582 if (ctype) {
583 ct = estrdup(ctype);
584 } else {
585 http_error_ex(HE_WARNING, HTTP_E_RUNTIME, "Failed to guess Content-Type: %s", magic_error(magic));
586 }
587 }
588 if (magic) {
589 magic_close(magic);
590 }
591 #else
592 http_error(HE_WARNING, HTTP_E_RUNTIME, "Cannot guess Content-Type; libmagic not available");
593 #endif
594
595 return ct;
596 }
597 /* }}} */
598
599 /*
600 * Local variables:
601 * tab-width: 4
602 * c-basic-offset: 4
603 * End:
604 * vim600: sw=4 ts=4 fdm=marker
605 * vim<600: sw=4 ts=4
606 */
607
Extended HTTP Support