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better errors from the headers parser
[m6w6/ext-http] / php_http_message_parser.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) 2004-2014, Michael Wallner <mike@php.net> |
10 +--------------------------------------------------------------------+
11 */
12
13 #include "php_http_api.h"
14
15 #ifndef DBG_PARSER
16 # define DBG_PARSER 0
17 #endif
18
19 typedef struct php_http_message_parser_state_spec {
20 php_http_message_parser_state_t state;
21 unsigned need_data:1;
22 } php_http_message_parser_state_spec_t;
23
24 static const php_http_message_parser_state_spec_t php_http_message_parser_states[] = {
25 {PHP_HTTP_MESSAGE_PARSER_STATE_START, 1},
26 {PHP_HTTP_MESSAGE_PARSER_STATE_HEADER, 0},
27 {PHP_HTTP_MESSAGE_PARSER_STATE_HEADER_DONE, 0},
28 {PHP_HTTP_MESSAGE_PARSER_STATE_BODY, 0},
29 {PHP_HTTP_MESSAGE_PARSER_STATE_BODY_DUMB, 1},
30 {PHP_HTTP_MESSAGE_PARSER_STATE_BODY_LENGTH, 1},
31 {PHP_HTTP_MESSAGE_PARSER_STATE_BODY_CHUNKED, 1},
32 {PHP_HTTP_MESSAGE_PARSER_STATE_BODY_DONE, 0},
33 {PHP_HTTP_MESSAGE_PARSER_STATE_UPDATE_CL, 0},
34 {PHP_HTTP_MESSAGE_PARSER_STATE_DONE, 0}
35 };
36
37 #if DBG_PARSER
38 const char *php_http_message_parser_state_name(php_http_message_parser_state_t state) {
39 const char *states[] = {"START", "HEADER", "HEADER_DONE", "BODY", "BODY_DUMB", "BODY_LENGTH", "BODY_CHUNK", "BODY_DONE", "UPDATE_CL", "DONE"};
40
41 if (state < 0 || state > (sizeof(states)/sizeof(char*))-1) {
42 return "FAILURE";
43 }
44 return states[state];
45 }
46 #endif
47
48 php_http_message_parser_t *php_http_message_parser_init(php_http_message_parser_t *parser TSRMLS_DC)
49 {
50 if (!parser) {
51 parser = emalloc(sizeof(*parser));
52 }
53 memset(parser, 0, sizeof(*parser));
54
55 TSRMLS_SET_CTX(parser->ts);
56
57 php_http_header_parser_init(&parser->header TSRMLS_CC);
58
59 return parser;
60 }
61
62 php_http_message_parser_state_t php_http_message_parser_state_push(php_http_message_parser_t *parser, unsigned argc, ...)
63 {
64 php_http_message_parser_state_t state;
65 va_list va_args;
66 unsigned i;
67
68 /* short circuit */
69 ZEND_PTR_STACK_RESIZE_IF_NEEDED((&parser->stack), argc);
70
71 va_start(va_args, argc);
72 for (i = 0; i < argc; ++i) {
73 state = va_arg(va_args, php_http_message_parser_state_t);
74 zend_ptr_stack_push(&parser->stack, (void *) state);
75 }
76 va_end(va_args);
77
78 return state;
79 }
80
81 php_http_message_parser_state_t php_http_message_parser_state_is(php_http_message_parser_t *parser)
82 {
83 if (parser->stack.top) {
84 return (php_http_message_parser_state_t) parser->stack.elements[parser->stack.top - 1];
85 }
86 return PHP_HTTP_MESSAGE_PARSER_STATE_START;
87 }
88
89 php_http_message_parser_state_t php_http_message_parser_state_pop(php_http_message_parser_t *parser)
90 {
91 if (parser->stack.top) {
92 return (php_http_message_parser_state_t) zend_ptr_stack_pop(&parser->stack);
93 }
94 return PHP_HTTP_MESSAGE_PARSER_STATE_START;
95 }
96
97 void php_http_message_parser_dtor(php_http_message_parser_t *parser)
98 {
99 php_http_header_parser_dtor(&parser->header);
100 zend_ptr_stack_destroy(&parser->stack);
101 php_http_message_free(&parser->message);
102 if (parser->dechunk) {
103 php_http_encoding_stream_free(&parser->dechunk);
104 }
105 if (parser->inflate) {
106 php_http_encoding_stream_free(&parser->inflate);
107 }
108 }
109
110 void php_http_message_parser_free(php_http_message_parser_t **parser)
111 {
112 if (*parser) {
113 php_http_message_parser_dtor(*parser);
114 efree(*parser);
115 *parser = NULL;
116 }
117 }
118
119 php_http_message_parser_state_t php_http_message_parser_parse_stream(php_http_message_parser_t *parser, php_http_buffer_t *buf, php_stream *s, unsigned flags, php_http_message_t **message)
120 {
121 php_http_message_parser_state_t state = PHP_HTTP_MESSAGE_PARSER_STATE_START;
122 TSRMLS_FETCH_FROM_CTX(parser->ts);
123
124 if (!buf->data) {
125 php_http_buffer_resize_ex(buf, 0x1000, 1, 0);
126 }
127 while (1) {
128 size_t justread = 0;
129 #if DBG_PARSER
130 fprintf(stderr, "#SP: %s (f:%u)\n", php_http_message_parser_state_name(state), flags);
131 #endif
132 /* resize if needed */
133 if (buf->free < 0x1000) {
134 php_http_buffer_resize_ex(buf, 0x1000, 1, 0);
135 }
136 switch (state) {
137 case PHP_HTTP_MESSAGE_PARSER_STATE_START:
138 case PHP_HTTP_MESSAGE_PARSER_STATE_HEADER:
139 case PHP_HTTP_MESSAGE_PARSER_STATE_HEADER_DONE:
140 /* read line */
141 php_stream_get_line(s, buf->data + buf->used, buf->free, &justread);
142 /* if we fail reading a whole line, try a single char */
143 if (!justread) {
144 int c = php_stream_getc(s);
145
146 if (c != EOF) {
147 char s[1] = {c};
148 justread = php_http_buffer_append(buf, s, 1);
149 }
150 }
151 php_http_buffer_account(buf, justread);
152 break;
153
154 case PHP_HTTP_MESSAGE_PARSER_STATE_BODY_DUMB:
155 /* read all */
156 justread = php_stream_read(s, buf->data + buf->used, buf->free);
157 php_http_buffer_account(buf, justread);
158 break;
159
160 case PHP_HTTP_MESSAGE_PARSER_STATE_BODY_LENGTH:
161 /* read body_length */
162 justread = php_stream_read(s, buf->data + buf->used, MIN(buf->free, parser->body_length));
163 php_http_buffer_account(buf, justread);
164 break;
165
166 case PHP_HTTP_MESSAGE_PARSER_STATE_BODY_CHUNKED:
167 /* duh, this is very naive */
168 if (parser->body_length) {
169 justread = php_stream_read(s, buf->data + buf->used, MIN(parser->body_length, buf->free));
170
171 php_http_buffer_account(buf, justread);
172
173 parser->body_length -= justread;
174 } else {
175 php_http_buffer_resize(buf, 24);
176 php_stream_get_line(s, buf->data, buf->free, &justread);
177 php_http_buffer_account(buf, justread);
178
179 parser->body_length = strtoul(buf->data + buf->used - justread, NULL, 16);
180 }
181 break;
182
183 case PHP_HTTP_MESSAGE_PARSER_STATE_BODY:
184 case PHP_HTTP_MESSAGE_PARSER_STATE_BODY_DONE:
185 case PHP_HTTP_MESSAGE_PARSER_STATE_UPDATE_CL:
186 /* should not occur */
187 abort();
188 break;
189
190 case PHP_HTTP_MESSAGE_PARSER_STATE_DONE:
191 case PHP_HTTP_MESSAGE_PARSER_STATE_FAILURE:
192 return php_http_message_parser_state_is(parser);
193 }
194
195 if (justread) {
196 state = php_http_message_parser_parse(parser, buf, flags, message);
197 } else if (php_stream_eof(s)) {
198 return php_http_message_parser_parse(parser, buf, flags | PHP_HTTP_MESSAGE_PARSER_CLEANUP, message);
199 } else {
200 return state;
201 }
202 }
203
204 return PHP_HTTP_MESSAGE_PARSER_STATE_DONE;
205 }
206
207
208 php_http_message_parser_state_t php_http_message_parser_parse(php_http_message_parser_t *parser, php_http_buffer_t *buffer, unsigned flags, php_http_message_t **message)
209 {
210 char *str = NULL;
211 size_t len = 0;
212 size_t cut = 0;
213 TSRMLS_FETCH_FROM_CTX(parser->ts);
214
215 while (buffer->used || !php_http_message_parser_states[php_http_message_parser_state_is(parser)].need_data) {
216 #if DBG_PARSER
217 fprintf(stderr, "#MP: %s (f: %u, t:%d, l:%zu)\n",
218 php_http_message_parser_state_name(php_http_message_parser_state_is(parser)),
219 flags,
220 message && *message ? (*message)->type : -1,
221 buffer->used
222 );
223 _dpf(0, buffer->data, buffer->used);
224 #endif
225
226 switch (php_http_message_parser_state_pop(parser))
227 {
228 case PHP_HTTP_MESSAGE_PARSER_STATE_FAILURE:
229 return php_http_message_parser_state_push(parser, 1, PHP_HTTP_MESSAGE_PARSER_STATE_FAILURE);
230
231 case PHP_HTTP_MESSAGE_PARSER_STATE_START:
232 {
233 char *ptr = buffer->data;
234
235 while (ptr - buffer->data < buffer->used && PHP_HTTP_IS_CTYPE(space, *ptr)) {
236 ++ptr;
237 }
238
239 php_http_buffer_cut(buffer, 0, ptr - buffer->data);
240
241 if (buffer->used) {
242 php_http_message_parser_state_push(parser, 1, PHP_HTTP_MESSAGE_PARSER_STATE_HEADER);
243 }
244 break;
245 }
246
247 case PHP_HTTP_MESSAGE_PARSER_STATE_HEADER:
248 {
249 unsigned header_parser_flags = (flags & PHP_HTTP_MESSAGE_PARSER_CLEANUP) ? PHP_HTTP_HEADER_PARSER_CLEANUP : 0;
250
251 switch (php_http_header_parser_parse(&parser->header, buffer, header_parser_flags, *message ? &(*message)->hdrs : NULL, (php_http_info_callback_t) php_http_message_info_callback, message)) {
252 case PHP_HTTP_HEADER_PARSER_STATE_FAILURE:
253 return PHP_HTTP_MESSAGE_PARSER_STATE_FAILURE;
254
255 case PHP_HTTP_HEADER_PARSER_STATE_DONE:
256 php_http_message_parser_state_push(parser, 1, PHP_HTTP_MESSAGE_PARSER_STATE_HEADER_DONE);
257 break;
258
259 default:
260 if (buffer->used || !(flags & PHP_HTTP_MESSAGE_PARSER_CLEANUP)) {
261 return php_http_message_parser_state_push(parser, 1, PHP_HTTP_MESSAGE_PARSER_STATE_HEADER);
262 } else {
263 php_http_message_parser_state_push(parser, 1, PHP_HTTP_MESSAGE_PARSER_STATE_HEADER_DONE);
264 }
265 }
266 break;
267 }
268
269 case PHP_HTTP_MESSAGE_PARSER_STATE_HEADER_DONE:
270 {
271 zval *h, *h_loc = NULL, *h_con = NULL, **h_cl = NULL, **h_cr = NULL, **h_te = NULL;
272
273 /* Content-Range has higher precedence than Content-Length,
274 * and content-length denotes the original length of the entity,
275 * so let's *NOT* remove CR/CL, because that would fundamentally
276 * change the meaning of the whole message
277 */
278 if ((h = php_http_message_header(*message, ZEND_STRL("Transfer-Encoding"), 1))) {
279 zend_hash_update(&(*message)->hdrs, "X-Original-Transfer-Encoding", sizeof("X-Original-Transfer-Encoding"), (void *) &h, sizeof(zval *), (void *) &h_te);
280 zend_hash_del(&(*message)->hdrs, "Transfer-Encoding", sizeof("Transfer-Encoding"));
281
282 /* reset */
283 MAKE_STD_ZVAL(h);
284 ZVAL_LONG(h, 0);
285 zend_hash_update(&(*message)->hdrs, "Content-Length", sizeof("Content-Length"), (void *) &h, sizeof(zval *), NULL);
286 } else if ((h = php_http_message_header(*message, ZEND_STRL("Content-Length"), 1))) {
287 zend_hash_update(&(*message)->hdrs, "X-Original-Content-Length", sizeof("X-Original-Content-Length"), (void *) &h, sizeof(zval *), (void *) &h_cl);
288 }
289
290 if ((h = php_http_message_header(*message, ZEND_STRL("Content-Range"), 1))) {
291 zend_hash_find(&(*message)->hdrs, ZEND_STRS("Content-Range"), (void *) &h_cr);
292 if (h != *h_cr) {
293 zend_hash_update(&(*message)->hdrs, "Content-Range", sizeof("Content-Range"), &h, sizeof(zval *), (void *) &h_cr);
294 } else {
295 zval_ptr_dtor(&h);
296 }
297 }
298
299 /* so, if curl sees a 3xx code, a Location header and a Connection:close header
300 * it decides not to read the response body.
301 */
302 if ((flags & PHP_HTTP_MESSAGE_PARSER_EMPTY_REDIRECTS)
303 && (*message)->type == PHP_HTTP_RESPONSE
304 && (*message)->http.info.response.code/100 == 3
305 && (h_loc = php_http_message_header(*message, ZEND_STRL("Location"), 1))
306 && (h_con = php_http_message_header(*message, ZEND_STRL("Connection"), 1))
307 ) {
308 if (php_http_match(Z_STRVAL_P(h_con), "close", PHP_HTTP_MATCH_WORD)) {
309 php_http_message_parser_state_push(parser, 1, PHP_HTTP_MESSAGE_PARSER_STATE_DONE);
310 zval_ptr_dtor(&h_loc);
311 zval_ptr_dtor(&h_con);
312 break;
313 }
314 }
315 if (h_loc) {
316 zval_ptr_dtor(&h_loc);
317 }
318 if (h_con) {
319 zval_ptr_dtor(&h_con);
320 }
321
322 if ((h = php_http_message_header(*message, ZEND_STRL("Content-Encoding"), 1))) {
323 if (php_http_match(Z_STRVAL_P(h), "gzip", PHP_HTTP_MATCH_WORD)
324 || php_http_match(Z_STRVAL_P(h), "x-gzip", PHP_HTTP_MATCH_WORD)
325 || php_http_match(Z_STRVAL_P(h), "deflate", PHP_HTTP_MATCH_WORD)
326 ) {
327 if (parser->inflate) {
328 php_http_encoding_stream_reset(&parser->inflate);
329 } else {
330 parser->inflate = php_http_encoding_stream_init(NULL, php_http_encoding_stream_get_inflate_ops(), 0 TSRMLS_CC);
331 }
332 zend_hash_update(&(*message)->hdrs, "X-Original-Content-Encoding", sizeof("X-Original-Content-Encoding"), &h, sizeof(zval *), NULL);
333 zend_hash_del(&(*message)->hdrs, "Content-Encoding", sizeof("Content-Encoding"));
334 } else {
335 zval_ptr_dtor(&h);
336 }
337 }
338
339 if ((flags & PHP_HTTP_MESSAGE_PARSER_DUMB_BODIES)) {
340 php_http_message_parser_state_push(parser, 1, PHP_HTTP_MESSAGE_PARSER_STATE_BODY_DUMB);
341 } else {
342 if (h_te) {
343 if (strstr(Z_STRVAL_PP(h_te), "chunked")) {
344 parser->dechunk = php_http_encoding_stream_init(parser->dechunk, php_http_encoding_stream_get_dechunk_ops(), 0 TSRMLS_CC);
345 php_http_message_parser_state_push(parser, 1, PHP_HTTP_MESSAGE_PARSER_STATE_BODY_CHUNKED);
346 break;
347 }
348 }
349
350 if (h_cr) {
351 ulong total = 0, start = 0, end = 0;
352
353 if (!strncasecmp(Z_STRVAL_PP(h_cr), "bytes", lenof("bytes"))
354 && ( Z_STRVAL_PP(h_cr)[lenof("bytes")] == ':'
355 || Z_STRVAL_PP(h_cr)[lenof("bytes")] == ' '
356 || Z_STRVAL_PP(h_cr)[lenof("bytes")] == '='
357 )
358 ) {
359 char *total_at = NULL, *end_at = NULL;
360 char *start_at = Z_STRVAL_PP(h_cr) + sizeof("bytes");
361
362 start = strtoul(start_at, &end_at, 10);
363 if (end_at) {
364 end = strtoul(end_at + 1, &total_at, 10);
365 if (total_at && strncmp(total_at + 1, "*", 1)) {
366 total = strtoul(total_at + 1, NULL, 10);
367 }
368
369 if (end >= start && (!total || end <= total)) {
370 parser->body_length = end + 1 - start;
371 php_http_message_parser_state_push(parser, 1, !parser->body_length?PHP_HTTP_MESSAGE_PARSER_STATE_BODY_DONE:PHP_HTTP_MESSAGE_PARSER_STATE_BODY_LENGTH);
372 break;
373 }
374 }
375 }
376 }
377
378 if (h_cl) {
379 char *stop;
380
381 if (Z_TYPE_PP(h_cl) == IS_STRING) {
382 parser->body_length = strtoul(Z_STRVAL_PP(h_cl), &stop, 10);
383
384 if (stop != Z_STRVAL_PP(h_cl)) {
385 php_http_message_parser_state_push(parser, 1, !parser->body_length?PHP_HTTP_MESSAGE_PARSER_STATE_BODY_DONE:PHP_HTTP_MESSAGE_PARSER_STATE_BODY_LENGTH);
386 break;
387 }
388 } else if (Z_TYPE_PP(h_cl) == IS_LONG) {
389 parser->body_length = Z_LVAL_PP(h_cl);
390 php_http_message_parser_state_push(parser, 1, !parser->body_length?PHP_HTTP_MESSAGE_PARSER_STATE_BODY_DONE:PHP_HTTP_MESSAGE_PARSER_STATE_BODY_LENGTH);
391 break;
392 }
393 }
394
395 if ((*message)->type == PHP_HTTP_REQUEST) {
396 php_http_message_parser_state_push(parser, 1, PHP_HTTP_MESSAGE_PARSER_STATE_DONE);
397 } else {
398 php_http_message_parser_state_push(parser, 1, PHP_HTTP_MESSAGE_PARSER_STATE_BODY_DUMB);
399 }
400 }
401 break;
402 }
403
404 case PHP_HTTP_MESSAGE_PARSER_STATE_BODY:
405 {
406 if (len) {
407 /* FIXME: what if we re-use the parser? */
408 if (parser->inflate) {
409 char *dec_str = NULL;
410 size_t dec_len;
411
412 if (SUCCESS != php_http_encoding_stream_update(parser->inflate, str, len, &dec_str, &dec_len)) {
413 return php_http_message_parser_state_push(parser, 1, PHP_HTTP_MESSAGE_PARSER_STATE_FAILURE);
414 }
415
416 if (str != buffer->data) {
417 PTR_FREE(str);
418 }
419 str = dec_str;
420 len = dec_len;
421 }
422
423 php_stream_write(php_http_message_body_stream((*message)->body), str, len);
424
425 }
426
427 if (cut) {
428 php_http_buffer_cut(buffer, 0, cut);
429 }
430
431 if (str != buffer->data) {
432 PTR_FREE(str);
433 }
434
435 str = NULL;
436 len = 0;
437 cut = 0;
438 break;
439 }
440
441 case PHP_HTTP_MESSAGE_PARSER_STATE_BODY_DUMB:
442 {
443 str = buffer->data;
444 len = buffer->used;
445 cut = len;
446
447 php_http_message_parser_state_push(parser, 2, PHP_HTTP_MESSAGE_PARSER_STATE_BODY_DONE, PHP_HTTP_MESSAGE_PARSER_STATE_BODY);
448 break;
449 }
450
451 case PHP_HTTP_MESSAGE_PARSER_STATE_BODY_LENGTH:
452 {
453 len = MIN(parser->body_length, buffer->used);
454 str = buffer->data;
455 cut = len;
456
457 parser->body_length -= len;
458
459 php_http_message_parser_state_push(parser, 2, !parser->body_length?PHP_HTTP_MESSAGE_PARSER_STATE_BODY_DONE:PHP_HTTP_MESSAGE_PARSER_STATE_BODY_LENGTH, PHP_HTTP_MESSAGE_PARSER_STATE_BODY);
460 break;
461 }
462
463 case PHP_HTTP_MESSAGE_PARSER_STATE_BODY_CHUNKED:
464 {
465 /*
466 * - pass available data through the dechunk stream
467 * - pass decoded data along
468 * - if stream zeroed:
469 * Y: - cut processed string out of buffer, but leave length of unprocessed dechunk stream data untouched
470 * - body done
471 * N: - parse ahaed
472 */
473 char *dec_str = NULL;
474 size_t dec_len;
475
476 if (SUCCESS != php_http_encoding_stream_update(parser->dechunk, buffer->data, buffer->used, &dec_str, &dec_len)) {
477 return PHP_HTTP_MESSAGE_PARSER_STATE_FAILURE;
478 }
479
480 str = dec_str;
481 len = dec_len;
482
483 if (php_http_encoding_stream_done(parser->dechunk)) {
484 cut = buffer->used - PHP_HTTP_BUFFER(parser->dechunk->ctx)->used;
485 php_http_message_parser_state_push(parser, 2, PHP_HTTP_MESSAGE_PARSER_STATE_BODY_DONE, PHP_HTTP_MESSAGE_PARSER_STATE_BODY);
486 } else {
487 cut = buffer->used;
488 php_http_message_parser_state_push(parser, 2, PHP_HTTP_MESSAGE_PARSER_STATE_BODY_CHUNKED, PHP_HTTP_MESSAGE_PARSER_STATE_BODY);
489 }
490 break;
491 }
492
493 case PHP_HTTP_MESSAGE_PARSER_STATE_BODY_DONE:
494 {
495 php_http_message_parser_state_push(parser, 1, PHP_HTTP_MESSAGE_PARSER_STATE_DONE);
496
497 if (parser->dechunk && parser->dechunk->ctx) {
498 char *dec_str = NULL;
499 size_t dec_len;
500
501 if (SUCCESS != php_http_encoding_stream_finish(parser->dechunk, &dec_str, &dec_len)) {
502 return php_http_message_parser_state_push(parser, 1, PHP_HTTP_MESSAGE_PARSER_STATE_FAILURE);
503 }
504 php_http_encoding_stream_dtor(parser->dechunk);
505
506 if (dec_str && dec_len) {
507 str = dec_str;
508 len = dec_len;
509 cut = 0;
510 php_http_message_parser_state_push(parser, 2, PHP_HTTP_MESSAGE_PARSER_STATE_UPDATE_CL, PHP_HTTP_MESSAGE_PARSER_STATE_BODY);
511 }
512 }
513
514 break;
515 }
516
517 case PHP_HTTP_MESSAGE_PARSER_STATE_UPDATE_CL:
518 {
519 zval *zcl;
520 MAKE_STD_ZVAL(zcl);
521 ZVAL_LONG(zcl, php_http_message_body_size((*message)->body));
522 zend_hash_update(&(*message)->hdrs, "Content-Length", sizeof("Content-Length"), &zcl, sizeof(zval *), NULL);
523 break;
524 }
525
526 case PHP_HTTP_MESSAGE_PARSER_STATE_DONE:
527 {
528 char *ptr = buffer->data;
529
530 while (ptr - buffer->data < buffer->used && PHP_HTTP_IS_CTYPE(space, *ptr)) {
531 ++ptr;
532 }
533
534 php_http_buffer_cut(buffer, 0, ptr - buffer->data);
535
536 if (!(flags & PHP_HTTP_MESSAGE_PARSER_GREEDY)) {
537 return PHP_HTTP_MESSAGE_PARSER_STATE_DONE;
538 }
539 break;
540 }
541 }
542 }
543
544 return php_http_message_parser_state_is(parser);
545 }
546
547 zend_class_entry *php_http_message_parser_class_entry;
548 static zend_object_handlers php_http_message_parser_object_handlers;
549
550 zend_object_value php_http_message_parser_object_new(zend_class_entry *ce TSRMLS_DC)
551 {
552 return php_http_message_parser_object_new_ex(ce, NULL, NULL TSRMLS_CC);
553 }
554
555 zend_object_value php_http_message_parser_object_new_ex(zend_class_entry *ce, php_http_message_parser_t *parser, php_http_message_parser_object_t **ptr TSRMLS_DC)
556 {
557 php_http_message_parser_object_t *o;
558
559 o = ecalloc(1, sizeof(php_http_message_parser_object_t));
560 zend_object_std_init((zend_object *) o, ce TSRMLS_CC);
561 object_properties_init((zend_object *) o, ce);
562
563 if (ptr) {
564 *ptr = o;
565 }
566
567 if (parser) {
568 o->parser = parser;
569 } else {
570 o->parser = php_http_message_parser_init(NULL TSRMLS_CC);
571 }
572 o->buffer = php_http_buffer_new();
573
574 o->zv.handle = zend_objects_store_put((zend_object *) o, NULL, php_http_message_parser_object_free, NULL TSRMLS_CC);
575 o->zv.handlers = &php_http_message_parser_object_handlers;
576
577 return o->zv;
578 }
579
580 void php_http_message_parser_object_free(void *object TSRMLS_DC)
581 {
582 php_http_message_parser_object_t *o = (php_http_message_parser_object_t *) object;
583
584 if (o->parser) {
585 php_http_message_parser_free(&o->parser);
586 }
587 if (o->buffer) {
588 php_http_buffer_free(&o->buffer);
589 }
590 zend_object_std_dtor((zend_object *) o TSRMLS_CC);
591 efree(o);
592 }
593
594 ZEND_BEGIN_ARG_INFO_EX(ai_HttpMessageParser_getState, 0, 0, 0)
595 ZEND_END_ARG_INFO();
596 static PHP_METHOD(HttpMessageParser, getState)
597 {
598 php_http_message_parser_object_t *parser_obj = zend_object_store_get_object(getThis() TSRMLS_CC);
599
600 zend_parse_parameters_none();
601 /* always return the real state */
602 RETVAL_LONG(php_http_message_parser_state_is(parser_obj->parser));
603 }
604
605 ZEND_BEGIN_ARG_INFO_EX(ai_HttpMessageParser_parse, 0, 0, 3)
606 ZEND_ARG_INFO(0, data)
607 ZEND_ARG_INFO(0, flags)
608 ZEND_ARG_INFO(1, message)
609 ZEND_END_ARG_INFO();
610 static PHP_METHOD(HttpMessageParser, parse)
611 {
612 php_http_message_parser_object_t *parser_obj;
613 zval *zmsg;
614 char *data_str;
615 int data_len;
616 long flags;
617
618 php_http_expect(SUCCESS == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "slz", &data_str, &data_len, &flags, &zmsg), invalid_arg, return);
619
620 parser_obj = zend_object_store_get_object(getThis() TSRMLS_CC);
621 php_http_buffer_append(parser_obj->buffer, data_str, data_len);
622 RETVAL_LONG(php_http_message_parser_parse(parser_obj->parser, parser_obj->buffer, flags, &parser_obj->parser->message));
623
624 zval_dtor(zmsg);
625 if (parser_obj->parser->message) {
626 ZVAL_OBJVAL(zmsg, php_http_message_object_new_ex(php_http_message_class_entry, php_http_message_copy(parser_obj->parser->message, NULL), NULL TSRMLS_CC), 0);
627 }
628 }
629
630 ZEND_BEGIN_ARG_INFO_EX(ai_HttpMessageParser_stream, 0, 0, 3)
631 ZEND_ARG_INFO(0, stream)
632 ZEND_ARG_INFO(0, flags)
633 ZEND_ARG_INFO(1, message)
634 ZEND_END_ARG_INFO();
635 static PHP_METHOD(HttpMessageParser, stream)
636 {
637 php_http_message_parser_object_t *parser_obj;
638 zend_error_handling zeh;
639 zval *zmsg, *zstream;
640 php_stream *s;
641 long flags;
642
643 php_http_expect(SUCCESS == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rlz", &zstream, &flags, &zmsg), invalid_arg, return);
644
645 zend_replace_error_handling(EH_THROW, php_http_exception_unexpected_val_class_entry, &zeh TSRMLS_CC);
646 php_stream_from_zval(s, &zstream);
647 zend_restore_error_handling(&zeh TSRMLS_CC);
648
649 parser_obj = zend_object_store_get_object(getThis() TSRMLS_CC);
650 RETVAL_LONG(php_http_message_parser_parse_stream(parser_obj->parser, parser_obj->buffer, s, flags, &parser_obj->parser->message));
651
652 zval_dtor(zmsg);
653 if (parser_obj->parser->message) {
654 ZVAL_OBJVAL(zmsg, php_http_message_object_new_ex(php_http_message_class_entry, php_http_message_copy(parser_obj->parser->message, NULL), NULL TSRMLS_CC), 0);
655 }
656 }
657
658 static zend_function_entry php_http_message_parser_methods[] = {
659 PHP_ME(HttpMessageParser, getState, ai_HttpMessageParser_getState, ZEND_ACC_PUBLIC)
660 PHP_ME(HttpMessageParser, parse, ai_HttpMessageParser_parse, ZEND_ACC_PUBLIC)
661 PHP_ME(HttpMessageParser, stream, ai_HttpMessageParser_stream, ZEND_ACC_PUBLIC)
662 {NULL, NULL, NULL}
663 };
664
665 PHP_MINIT_FUNCTION(http_message_parser)
666 {
667 zend_class_entry ce;
668
669 INIT_NS_CLASS_ENTRY(ce, "http\\Message", "Parser", php_http_message_parser_methods);
670 php_http_message_parser_class_entry = zend_register_internal_class(&ce TSRMLS_CC);
671 memcpy(&php_http_message_parser_object_handlers, zend_get_std_object_handlers(), sizeof(zend_object_handlers));
672 php_http_message_parser_class_entry->create_object = php_http_message_parser_object_new;
673 php_http_message_parser_object_handlers.clone_obj = NULL;
674
675 zend_declare_class_constant_long(php_http_message_parser_class_entry, ZEND_STRL("CLEANUP"), PHP_HTTP_MESSAGE_PARSER_CLEANUP TSRMLS_CC);
676 zend_declare_class_constant_long(php_http_message_parser_class_entry, ZEND_STRL("DUMB_BODIES"), PHP_HTTP_MESSAGE_PARSER_DUMB_BODIES TSRMLS_CC);
677 zend_declare_class_constant_long(php_http_message_parser_class_entry, ZEND_STRL("EMPTY_REDIRECTS"), PHP_HTTP_MESSAGE_PARSER_EMPTY_REDIRECTS TSRMLS_CC);
678 zend_declare_class_constant_long(php_http_message_parser_class_entry, ZEND_STRL("GREEDY"), PHP_HTTP_MESSAGE_PARSER_GREEDY TSRMLS_CC);
679
680 zend_declare_class_constant_long(php_http_message_parser_class_entry, ZEND_STRL("STATE_FAILURE"), PHP_HTTP_MESSAGE_PARSER_STATE_FAILURE TSRMLS_CC);
681 zend_declare_class_constant_long(php_http_message_parser_class_entry, ZEND_STRL("STATE_START"), PHP_HTTP_MESSAGE_PARSER_STATE_START TSRMLS_CC);
682 zend_declare_class_constant_long(php_http_message_parser_class_entry, ZEND_STRL("STATE_HEADER"), PHP_HTTP_MESSAGE_PARSER_STATE_HEADER TSRMLS_CC);
683 zend_declare_class_constant_long(php_http_message_parser_class_entry, ZEND_STRL("STATE_HEADER_DONE"), PHP_HTTP_MESSAGE_PARSER_STATE_HEADER_DONE TSRMLS_CC);
684 zend_declare_class_constant_long(php_http_message_parser_class_entry, ZEND_STRL("STATE_BODY"), PHP_HTTP_MESSAGE_PARSER_STATE_BODY TSRMLS_CC);
685 zend_declare_class_constant_long(php_http_message_parser_class_entry, ZEND_STRL("STATE_BODY_DUMB"), PHP_HTTP_MESSAGE_PARSER_STATE_BODY_DUMB TSRMLS_CC);
686 zend_declare_class_constant_long(php_http_message_parser_class_entry, ZEND_STRL("STATE_BODY_LENGTH"), PHP_HTTP_MESSAGE_PARSER_STATE_BODY_LENGTH TSRMLS_CC);
687 zend_declare_class_constant_long(php_http_message_parser_class_entry, ZEND_STRL("STATE_BODY_CHUNKED"), PHP_HTTP_MESSAGE_PARSER_STATE_BODY_CHUNKED TSRMLS_CC);
688 zend_declare_class_constant_long(php_http_message_parser_class_entry, ZEND_STRL("STATE_BODY_DONE"), PHP_HTTP_MESSAGE_PARSER_STATE_BODY_DONE TSRMLS_CC);
689 zend_declare_class_constant_long(php_http_message_parser_class_entry, ZEND_STRL("STATE_UPDATE_CL"), PHP_HTTP_MESSAGE_PARSER_STATE_UPDATE_CL TSRMLS_CC);
690 zend_declare_class_constant_long(php_http_message_parser_class_entry, ZEND_STRL("STATE_DONE"), PHP_HTTP_MESSAGE_PARSER_STATE_DONE TSRMLS_CC);
691
692 return SUCCESS;
693 }
694
695 /*
696 * Local variables:
697 * tab-width: 4
698 * c-basic-offset: 4
699 * End:
700 * vim600: noet sw=4 ts=4 fdm=marker
701 * vim<600: noet sw=4 ts=4
702 */
703
Extended HTTP Support