projects / m6w6 / ext-http / blob
? search:
summary | shortlog | log | commit | commitdiff | tree | github
history | raw | HEAD
fix logic error in HttpMessage::setResponseStatus
[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) 2004-2010, 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
22 #include "php_http_api.h"
23 #include "php_http_cache_api.h"
24 #include "php_http_date_api.h"
25 #include "php_http_encoding_api.h"
26 #include "php_http_headers_api.h"
27 #include "php_http_send_api.h"
28
29 /* {{{ http_flush() */
30 #define http_flush(d, l) _http_flush(NULL, (d), (l) TSRMLS_CC)
31 static inline void _http_flush(void *nothing, const char *data, size_t data_len TSRMLS_DC)
32 {
33 PHPWRITE(data, data_len);
34 /* we really only need to flush when throttling is enabled,
35 because we push the data as fast as possible anyway if not */
36 if (HTTP_G->send.throttle_delay >= HTTP_DIFFSEC) {
37 if (OG(ob_nesting_level)) {
38 php_end_ob_buffer(1, 1 TSRMLS_CC);
39 }
40 if (!OG(implicit_flush)) {
41 sapi_flush(TSRMLS_C);
42 }
43 http_sleep(HTTP_G->send.throttle_delay);
44 }
45 }
46 /* }}} */
47
48 /* {{{ http_send_response_start */
49 #define http_send_response_start(b, cl) _http_send_response_start((b), (cl) TSRMLS_CC)
50 static inline void _http_send_response_start(void **buffer, size_t content_length TSRMLS_DC)
51 {
52 int encoding;
53
54 if ((encoding = http_encoding_response_start(content_length, 0))) {
55 #ifdef HTTP_HAVE_ZLIB
56 *((http_encoding_stream **) buffer) = http_encoding_deflate_stream_init(NULL,
57 (encoding == HTTP_ENCODING_GZIP) ?
58 HTTP_DEFLATE_TYPE_GZIP : HTTP_DEFLATE_TYPE_ZLIB);
59 #endif
60 }
61 /* flush headers */
62 sapi_flush(TSRMLS_C);
63 }
64 /* }}} */
65
66 /* {{{ http_send_response_data_plain */
67 #define http_send_response_data_plain(b, d, dl) _http_send_response_data_plain((b), (d), (dl) TSRMLS_CC)
68 static inline void _http_send_response_data_plain(void **buffer, const char *data, size_t data_len TSRMLS_DC)
69 {
70 if (HTTP_G->send.deflate.response && HTTP_G->send.deflate.encoding) {
71 #ifdef HTTP_HAVE_ZLIB
72 char *encoded;
73 size_t encoded_len;
74 http_encoding_stream *s = *((http_encoding_stream **) buffer);
75
76 http_encoding_deflate_stream_update(s, data, data_len, &encoded, &encoded_len);
77 if (HTTP_G->send.buffer_size) {
78 phpstr_chunked_output((phpstr **) &s->storage, encoded, encoded_len, HTTP_G->send.buffer_size, _http_flush, NULL TSRMLS_CC);
79 } else {
80 http_flush(encoded, encoded_len);
81 }
82 efree(encoded);
83 #else
84 http_error(HE_ERROR, HTTP_E_RESPONSE, "Attempt to send GZIP response despite being able to do so; please report this bug");
85 #endif
86 } else if (HTTP_G->send.buffer_size) {
87 phpstr_chunked_output((phpstr **) buffer, data, data_len, HTTP_G->send.buffer_size, _http_flush, NULL TSRMLS_CC);
88 } else {
89 http_flush(data, data_len);
90 }
91 }
92 /* }}} */
93
94 /* {{{ http_send_response_data_fetch */
95 #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)
96 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)
97 {
98 long bsz, got, len = end - begin;
99
100 if (!(bsz = HTTP_G->send.buffer_size)) {
101 bsz = HTTP_SENDBUF_SIZE;
102 }
103
104 switch (mode) {
105 case SEND_RSRC: {
106 php_stream *s = (php_stream *) data;
107 if (SUCCESS == php_stream_seek(s, begin, SEEK_SET)) {
108 char *buf = emalloc(bsz);
109
110 while (len > 0) {
111 got = php_stream_read(s, buf, MIN(len, bsz));
112 http_send_response_data_plain(buffer, buf, got);
113 len -= got;
114 }
115
116 efree(buf);
117 }
118 break;
119 }
120 case SEND_DATA: {
121 const char *buf = ((const char *) data) + begin;
122 while (len > 0) {
123 got = MIN(len, bsz);
124 http_send_response_data_plain(buffer, buf, got);
125 len -= got;
126 buf += got;
127 }
128 break;
129 }
130 EMPTY_SWITCH_DEFAULT_CASE();
131 }
132 }
133 /* }}} */
134
135 /* {{{ http_send_response_finish */
136 #define http_send_response_finish(b) _http_send_response_finish((b) TSRMLS_CC)
137 static inline void _http_send_response_finish(void **buffer TSRMLS_DC)
138 {
139 if (HTTP_G->send.deflate.response && HTTP_G->send.deflate.encoding) {
140 #ifdef HTTP_HAVE_ZLIB
141 char *encoded = NULL;
142 size_t encoded_len = 0;
143 http_encoding_stream *s = *((http_encoding_stream **) buffer);
144
145 http_encoding_deflate_stream_finish(s, &encoded, &encoded_len);
146 if (HTTP_G->send.buffer_size) {
147 phpstr_chunked_output((phpstr **) &s->storage, encoded, encoded_len, 0, _http_flush, NULL TSRMLS_CC);
148 } else {
149 http_flush(encoded, encoded_len);
150 }
151 http_encoding_deflate_stream_free(&s);
152 STR_FREE(encoded);
153 #else
154 http_error(HE_ERROR, HTTP_E_RESPONSE, "Attempt to send GZIP response despite being able to do so; please report this bug");
155 #endif
156 } else if (HTTP_G->send.buffer_size) {
157 phpstr_chunked_output((phpstr **) buffer, NULL, 0, 0, _http_flush, NULL TSRMLS_CC);
158 }
159 }
160 /* }}} */
161
162 /* {{{ */
163 PHP_MINIT_FUNCTION(http_send)
164 {
165 HTTP_LONG_CONSTANT("HTTP_REDIRECT", HTTP_REDIRECT);
166 HTTP_LONG_CONSTANT("HTTP_REDIRECT_PERM", HTTP_REDIRECT_PERM);
167 HTTP_LONG_CONSTANT("HTTP_REDIRECT_FOUND", HTTP_REDIRECT_FOUND);
168 HTTP_LONG_CONSTANT("HTTP_REDIRECT_POST", HTTP_REDIRECT_POST);
169 HTTP_LONG_CONSTANT("HTTP_REDIRECT_PROXY", HTTP_REDIRECT_PROXY);
170 HTTP_LONG_CONSTANT("HTTP_REDIRECT_TEMP", HTTP_REDIRECT_TEMP);
171
172 return SUCCESS;
173 }
174 /* }}} */
175
176 /* {{{ http_find_header */
177 typedef struct {
178 const char *h;
179 size_t l;
180 } http_response_header_t;
181
182 static int http_find_header(void *data, void *arg)
183 {
184 http_response_header_t *h = arg;
185 sapi_header_struct *s = data;
186
187 return (!strncasecmp(s->header, h->h, h->l)) && s->header[h->l] == ':';
188 }
189 /* }}} */
190
191 /* {{{ void http_hide_header(char *) */
192 PHP_HTTP_API void _http_hide_header_ex(const char *name, size_t name_len TSRMLS_DC)
193 {
194 http_response_header_t h = {name, name_len};
195 zend_llist_del_element(&SG(sapi_headers).headers, (void *) &h, http_find_header);
196 }
197 /* }}} */
198
199 /* {{{ void http_send_header_zval(char*, zval **, zend_bool) */
200 PHP_HTTP_API void _http_send_header_zval_ex(const char *name, size_t name_len, zval **val, zend_bool replace TSRMLS_DC)
201 {
202 if (!val || !*val || Z_TYPE_PP(val) == IS_NULL || (Z_TYPE_PP(val) == IS_STRING && !Z_STRLEN_PP(val))) {
203 http_hide_header_ex(name, name_len);
204 } else if (Z_TYPE_PP(val) == IS_ARRAY || Z_TYPE_PP(val) == IS_OBJECT) {
205 zend_bool first = replace;
206 zval **data_ptr;
207 HashPosition pos;
208
209 FOREACH_HASH_VAL(pos, HASH_OF(*val), data_ptr) {
210 zval *data = http_zsep(IS_STRING, *data_ptr);
211
212 http_send_header_ex(name, name_len, Z_STRVAL_P(data), Z_STRLEN_P(data), first, NULL);
213 zval_ptr_dtor(&data);
214 first = 0;
215 }
216 } else {
217 zval *data = http_zsep(IS_STRING, *val);
218
219 http_send_header_ex(name, name_len, Z_STRVAL_P(data), Z_STRLEN_P(data), replace, NULL);
220 zval_ptr_dtor(&data);
221 }
222 }
223 /* }}} */
224
225 /* {{{ STATUS http_send_header(char *, char *, zend_bool) */
226 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)
227 {
228 STATUS ret;
229
230 if (value && value_len) {
231 size_t header_len = sizeof(": ") + name_len + value_len + 1;
232 char *header = emalloc(header_len + 1);
233
234 header[header_len] = '\0';
235 header_len = snprintf(header, header_len, "%s: %s", name, value);
236 ret = http_send_header_string_ex(header, header_len, replace);
237 if (sent_header) {
238 *sent_header = header;
239 } else {
240 efree(header);
241 }
242 } else {
243 http_hide_header_ex(name, name_len);
244 ret = SUCCESS;
245 }
246 return ret;
247 }
248 /* }}} */
249
250 /* {{{ STATUS http_send_status_header(int, char *) */
251 PHP_HTTP_API STATUS _http_send_status_header_ex(int status, const char *header, size_t header_len, zend_bool replace TSRMLS_DC)
252 {
253 STATUS ret;
254 sapi_header_line h = {(char *) header, header_len, status};
255 if (SUCCESS != (ret = sapi_header_op(replace ? SAPI_HEADER_REPLACE : SAPI_HEADER_ADD, &h TSRMLS_CC))) {
256 http_error_ex(HE_WARNING, HTTP_E_HEADER, "Could not send header: %s (%d)", header, status);
257 }
258 return ret;
259 }
260 /* }}} */
261
262 /* {{{ STATUS http_send_last_modified(int) */
263 PHP_HTTP_API STATUS _http_send_last_modified_ex(time_t t, char **sent_header TSRMLS_DC)
264 {
265 STATUS ret;
266 char *date = http_date(t);
267
268 if (!date) {
269 return FAILURE;
270 }
271
272 ret = http_send_header_ex("Last-Modified", lenof("Last-Modified"), date, strlen(date), 1, sent_header);
273 efree(date);
274
275 /* remember */
276 HTTP_G->send.last_modified = t;
277
278 return ret;
279 }
280 /* }}} */
281
282 /* {{{ STATUS http_send_etag(char *, size_t) */
283 PHP_HTTP_API STATUS _http_send_etag_ex(const char *etag, size_t etag_len, char **sent_header TSRMLS_DC)
284 {
285 STATUS status;
286 char *etag_header;
287 size_t etag_header_len;
288
289 if (!etag_len){
290 http_error_ex(HE_WARNING, HTTP_E_HEADER, "Attempt to send empty ETag (previous: %s)\n", HTTP_G->send.unquoted_etag);
291 return FAILURE;
292 }
293
294 etag_header_len = spprintf(&etag_header, 0, "ETag: \"%s\"", etag);
295 status = http_send_header_string_ex(etag_header, etag_header_len, 1);
296
297 /* remember */
298 STR_SET(HTTP_G->send.unquoted_etag, estrndup(etag, etag_len));
299
300 if (sent_header) {
301 *sent_header = etag_header;
302 } else {
303 efree(etag_header);
304 }
305
306 return status;
307 }
308 /* }}} */
309
310 /* {{{ STATUS http_send_content_type(char *, size_t) */
311 PHP_HTTP_API STATUS _http_send_content_type(const char *content_type, size_t ct_len TSRMLS_DC)
312 {
313 HTTP_CHECK_CONTENT_TYPE(content_type, return FAILURE);
314
315 /* remember for multiple ranges */
316 STR_FREE(HTTP_G->send.content_type);
317 HTTP_G->send.content_type = estrndup(content_type, ct_len);
318
319 return http_send_header_ex("Content-Type", lenof("Content-Type"), content_type, ct_len, 1, NULL);
320 }
321 /* }}} */
322
323 /* {{{ STATUS http_send_content_disposition(char *, size_t, zend_bool) */
324 PHP_HTTP_API STATUS _http_send_content_disposition(const char *filename, size_t f_len, zend_bool send_inline TSRMLS_DC)
325 {
326 STATUS status;
327 char *cd_header;
328
329 if (send_inline) {
330 cd_header = ecalloc(1, sizeof("Content-Disposition: inline; filename=\"\"") + f_len);
331 sprintf(cd_header, "Content-Disposition: inline; filename=\"%s\"", filename);
332 } else {
333 cd_header = ecalloc(1, sizeof("Content-Disposition: attachment; filename=\"\"") + f_len);
334 sprintf(cd_header, "Content-Disposition: attachment; filename=\"%s\"", filename);
335 }
336
337 status = http_send_header_string(cd_header);
338 efree(cd_header);
339 return status;
340 }
341 /* }}} */
342
343 /* {{{ STATUS http_send(void *, size_t, http_send_mode) */
344 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)
345 {
346 void *s = NULL;
347 HashTable ranges;
348 http_range_status range_status;
349
350 if (!data_ptr) {
351 return FAILURE;
352 }
353 if (!data_size) {
354 return SUCCESS;
355 }
356
357 /* enable partial dl and resume */
358 http_send_header_string("Accept-Ranges: bytes");
359
360 zend_hash_init(&ranges, 0, NULL, ZVAL_PTR_DTOR, 0);
361 range_status = http_get_request_ranges(&ranges, data_size);
362
363 switch (range_status) {
364 case RANGE_ERR:
365 {
366 zend_hash_destroy(&ranges);
367 http_send_status(416);
368 return FAILURE;
369 }
370 case RANGE_OK:
371 {
372 /* Range Request - only send ranges if entity hasn't changed */
373 if ( http_got_server_var("HTTP_IF_RANGE") &&
374 !http_match_etag("HTTP_IF_RANGE", HTTP_G->send.unquoted_etag) &&
375 !http_match_last_modified("HTTP_IF_RANGE", HTTP_G->send.last_modified)) {
376 /* fallthrough to send full entity with 200 Ok */
377 no_cache = 1;
378 } else if ( !http_match_etag_ex("HTTP_IF_MATCH", HTTP_G->send.unquoted_etag, 0) ||
379 !http_match_last_modified_ex("HTTP_IF_UNMODIFIED_SINCE", HTTP_G->send.last_modified, 0) ||
380 !http_match_last_modified_ex("HTTP_UNLESS_MODIFIED_SINCE", HTTP_G->send.last_modified, 0)) {
381 /* 412 Precondition failed */
382 zend_hash_destroy(&ranges);
383 http_send_status(412);
384 return FAILURE;
385 } else if (zend_hash_num_elements(&ranges) == 1) {
386 /* single range */
387 zval **range, **begin, **end;
388
389 if ( SUCCESS != zend_hash_index_find(&ranges, 0, (void *) &range) ||
390 SUCCESS != zend_hash_index_find(Z_ARRVAL_PP(range), 0, (void *) &begin) ||
391 SUCCESS != zend_hash_index_find(Z_ARRVAL_PP(range), 1, (void *) &end)) {
392 /* this should never happen */
393 zend_hash_destroy(&ranges);
394 http_send_status(500);
395 return FAILURE;
396 } else {
397 phpstr header;
398
399 phpstr_init(&header);
400 phpstr_appendf(&header, "Content-Range: bytes %ld-%ld/%zu", Z_LVAL_PP(begin), Z_LVAL_PP(end), data_size);
401 phpstr_fix(&header);
402 http_send_status_header_ex(206, PHPSTR_VAL(&header), PHPSTR_LEN(&header), 1);
403 phpstr_dtor(&header);
404 http_send_response_start(&s, Z_LVAL_PP(end)-Z_LVAL_PP(begin)+1);
405 http_send_response_data_fetch(&s, data_ptr, data_size, data_mode, Z_LVAL_PP(begin), Z_LVAL_PP(end) + 1);
406 http_send_response_finish(&s);
407 zend_hash_destroy(&ranges);
408 return SUCCESS;
409 }
410 } else {
411 /* multi range */
412 HashPosition pos;
413 zval **range, **begin, **end;
414 const char *content_type = HTTP_G->send.content_type;
415 char boundary_str[32];
416 size_t boundary_len;
417 phpstr header, preface;
418
419 boundary_len = http_boundary(boundary_str, sizeof(boundary_str));
420 phpstr_init(&header);
421 phpstr_appendf(&header, "Content-Type: multipart/byteranges; boundary=%s", boundary_str);
422 phpstr_fix(&header);
423 http_send_status_header_ex(206, PHPSTR_VAL(&header), PHPSTR_LEN(&header), 1);
424 phpstr_dtor(&header);
425 http_send_response_start(&s, 0);
426
427 if (!content_type) {
428 content_type = "application/x-octetstream";
429 }
430
431 phpstr_init(&preface);
432 FOREACH_HASH_VAL(pos, &ranges, range) {
433 if ( SUCCESS == zend_hash_index_find(Z_ARRVAL_PP(range), 0, (void *) &begin) &&
434 SUCCESS == zend_hash_index_find(Z_ARRVAL_PP(range), 1, (void *) &end)) {
435
436 #define HTTP_RANGE_PREFACE \
437 HTTP_CRLF "--%s" \
438 HTTP_CRLF "Content-Type: %s" \
439 HTTP_CRLF "Content-Range: bytes %ld-%ld/%zu" \
440 HTTP_CRLF HTTP_CRLF
441
442 phpstr_appendf(&preface, HTTP_RANGE_PREFACE, boundary_str, content_type, Z_LVAL_PP(begin), Z_LVAL_PP(end), data_size);
443 phpstr_fix(&preface);
444 http_send_response_data_plain(&s, PHPSTR_VAL(&preface), PHPSTR_LEN(&preface));
445 phpstr_reset(&preface);
446 http_send_response_data_fetch(&s, data_ptr, data_size, data_mode, Z_LVAL_PP(begin), Z_LVAL_PP(end) + 1);
447 }
448 }
449 phpstr_dtor(&preface);
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_G->send.last_modified && 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