3 typedef struct php_http_message_parser_state_spec
{
4 php_http_message_parser_state_t state
;
6 } php_http_message_parser_state_spec_t
;
8 static const php_http_message_parser_state_spec_t php_http_message_parser_states
[] = {
9 {PHP_HTTP_MESSAGE_PARSER_STATE_START
, 1},
10 {PHP_HTTP_MESSAGE_PARSER_STATE_HEADER
, 1},
11 {PHP_HTTP_MESSAGE_PARSER_STATE_HEADER_DONE
, 0},
12 {PHP_HTTP_MESSAGE_PARSER_STATE_BODY
, 0},
13 {PHP_HTTP_MESSAGE_PARSER_STATE_BODY_DUMB
, 1},
14 {PHP_HTTP_MESSAGE_PARSER_STATE_BODY_LENGTH
, 1},
15 {PHP_HTTP_MESSAGE_PARSER_STATE_BODY_CHUNKED
, 1},
16 {PHP_HTTP_MESSAGE_PARSER_STATE_BODY_DONE
, 0},
17 {PHP_HTTP_MESSAGE_PARSER_STATE_DONE
, 0}
20 PHP_HTTP_API php_http_message_parser_t
*php_http_message_parser_init(php_http_message_parser_t
*parser TSRMLS_DC
)
23 parser
= emalloc(sizeof(*parser
));
25 memset(parser
, 0, sizeof(*parser
));
27 TSRMLS_SET_CTX(parser
->ts
);
29 php_http_header_parser_init(&parser
->header TSRMLS_CC
);
30 zend_stack_init(&parser
->stack
);
35 PHP_HTTP_API php_http_message_parser_state_t
php_http_message_parser_state_push(php_http_message_parser_t
*parser
, unsigned argc
, ...)
39 va_start(va_args
, argc
);
40 php_http_message_parser_state_t state
;
42 for (i
= 0; i
< argc
; ++i
) {
43 state
= va_arg(va_args
, php_http_message_parser_state_t
);
44 zend_stack_push(&parser
->stack
, &state
, sizeof(state
));
51 PHP_HTTP_API php_http_message_parser_state_t
php_http_message_parser_state_is(php_http_message_parser_t
*parser
)
53 php_http_message_parser_state_t
*state
;
55 if (SUCCESS
== zend_stack_top(&parser
->stack
, (void *) &state
)) {
58 return PHP_HTTP_MESSAGE_PARSER_STATE_START
;
61 PHP_HTTP_API php_http_message_parser_state_t
php_http_message_parser_state_pop(php_http_message_parser_t
*parser
)
63 php_http_message_parser_state_t state
, *state_ptr
;
64 if (SUCCESS
== zend_stack_top(&parser
->stack
, (void *) &state_ptr
)) {
66 zend_stack_del_top(&parser
->stack
);
69 return PHP_HTTP_MESSAGE_PARSER_STATE_START
;
72 PHP_HTTP_API
void php_http_message_parser_dtor(php_http_message_parser_t
*parser
)
74 php_http_header_parser_dtor(&parser
->header
);
75 zend_stack_destroy(&parser
->stack
);
76 if (parser
->dechunk
) {
77 php_http_encoding_stream_free(&parser
->dechunk
);
79 if (parser
->inflate
) {
80 php_http_encoding_stream_free(&parser
->inflate
);
84 PHP_HTTP_API
void php_http_message_parser_free(php_http_message_parser_t
**parser
)
87 php_http_message_parser_dtor(*parser
);
94 PHP_HTTP_API 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
)
96 TSRMLS_FETCH_FROM_CTX(parser
->ts
);
101 while (buffer
->used
|| !php_http_message_parser_states
[php_http_message_parser_state_is(parser
)].need_data
) {
103 const char *state
[] = {"START", "HEADER", "HEADER_DONE", "BODY", "BODY_DUMB", "BODY_LENGTH", "BODY_CHUNK", "BODY_DONE", "DONE"};
104 fprintf(stderr
, "#MP: %s (%d)\n", php_http_message_parser_state_is(parser
) < 0 ? "FAILURE" : state
[php_http_message_parser_state_is(parser
)], (*message
)->type
);
105 _dpf(0, buffer
->data
, buffer
->used
);
108 switch (php_http_message_parser_state_pop(parser
))
110 case PHP_HTTP_MESSAGE_PARSER_STATE_FAILURE
:
111 return php_http_message_parser_state_push(parser
, 1, PHP_HTTP_MESSAGE_PARSER_STATE_FAILURE
);
113 case PHP_HTTP_MESSAGE_PARSER_STATE_START
:
115 char *ptr
= buffer
->data
;
117 while (ptr
- buffer
->data
< buffer
->used
&& PHP_HTTP_IS_CTYPE(space
, *ptr
)) {
121 php_http_buffer_cut(buffer
, 0, ptr
- buffer
->data
);
124 php_http_message_parser_state_push(parser
, 1, PHP_HTTP_MESSAGE_PARSER_STATE_HEADER
);
129 case PHP_HTTP_MESSAGE_PARSER_STATE_HEADER
:
131 unsigned header_parser_flags
= (flags
& PHP_HTTP_MESSAGE_PARSER_CLEANUP
) ? PHP_HTTP_HEADER_PARSER_CLEANUP
: 0;
133 switch (php_http_header_parser_parse(&parser
->header
, buffer
, header_parser_flags
, &(*message
)->hdrs
, (php_http_info_callback_t
) php_http_message_info_callback
, message
)) {
134 case PHP_HTTP_HEADER_PARSER_STATE_FAILURE
:
135 return PHP_HTTP_MESSAGE_PARSER_STATE_FAILURE
;
137 case PHP_HTTP_HEADER_PARSER_STATE_DONE
:
138 php_http_message_parser_state_push(parser
, 1, PHP_HTTP_MESSAGE_PARSER_STATE_HEADER_DONE
);
142 php_http_message_parser_state_push(parser
, 1, PHP_HTTP_MESSAGE_PARSER_STATE_HEADER
);
144 return PHP_HTTP_MESSAGE_PARSER_STATE_HEADER
;
150 case PHP_HTTP_MESSAGE_PARSER_STATE_HEADER_DONE
:
152 zval
*h
, *h_loc
= NULL
, *h_con
= NULL
, **h_cl
= NULL
, **h_cr
= NULL
, **h_te
= NULL
;
154 if ((h
= php_http_message_header(*message
, ZEND_STRL("Transfer-Encoding"), 1))) {
155 zend_hash_update(&(*message
)->hdrs
, "X-Original-Transfer-Encoding", sizeof("X-Original-Transfer-Encoding"), &h
, sizeof(zval
*), (void *) &h_te
);
156 zend_hash_del(&(*message
)->hdrs
, "Transfer-Encoding", sizeof("Transfer-Encoding"));
158 if ((h
= php_http_message_header(*message
, ZEND_STRL("Content-Length"), 1))) {
159 zend_hash_update(&(*message
)->hdrs
, "X-Original-Content-Length", sizeof("X-Original-Content-Length"), &h
, sizeof(zval
*), (void *) &h_cl
);
161 if ((h
= php_http_message_header(*message
, ZEND_STRL("Content-Range"), 1))) {
162 zend_hash_update(&(*message
)->hdrs
, "X-Original-Content-Range", sizeof("X-Original-Content-Range"), &h
, sizeof(zval
*), (void *) &h_cr
);
163 zend_hash_del(&(*message
)->hdrs
, "Content-Range", sizeof("Content-Range"));
169 zend_hash_update(&(*message
)->hdrs
, "Content-Length", sizeof("Content-Length"), &h
, sizeof(zval
*), NULL
);
171 /* so, if curl sees a 3xx code, a Location header and a Connection:close header
172 * it decides not to read the response body.
174 if ((flags
& PHP_HTTP_MESSAGE_PARSER_EMPTY_REDIRECTS
)
175 && (*message
)->type
== PHP_HTTP_RESPONSE
176 && (*message
)->http
.info
.response
.code
/100 == 3
177 && (h_loc
= php_http_message_header(*message
, ZEND_STRL("Location"), 1))
178 && (h_con
= php_http_message_header(*message
, ZEND_STRL("Connection"), 1))
180 if (php_http_match(Z_STRVAL_P(h_con
), "close", PHP_HTTP_MATCH_WORD
)) {
181 php_http_message_parser_state_push(parser
, 1, PHP_HTTP_MESSAGE_PARSER_STATE_DONE
);
182 zval_ptr_dtor(&h_loc
);
183 zval_ptr_dtor(&h_con
);
188 zval_ptr_dtor(&h_loc
);
191 zval_ptr_dtor(&h_con
);
194 if ((h
= php_http_message_header(*message
, ZEND_STRL("Content-Encoding"), 1))) {
195 if (php_http_match(Z_STRVAL_P(h
), "gzip", PHP_HTTP_MATCH_WORD
)
196 || php_http_match(Z_STRVAL_P(h
), "x-gzip", PHP_HTTP_MATCH_WORD
)
197 || php_http_match(Z_STRVAL_P(h
), "deflate", PHP_HTTP_MATCH_WORD
)
199 if (parser
->inflate
) {
200 php_http_encoding_stream_reset(&parser
->inflate
);
202 parser
->inflate
= php_http_encoding_stream_init(NULL
, php_http_encoding_stream_get_inflate_ops(), 0 TSRMLS_CC
);
204 zend_hash_update(&(*message
)->hdrs
, "X-Original-Content-Encoding", sizeof("X-Original-Content-Encoding"), &h
, sizeof(zval
*), NULL
);
205 zend_hash_del(&(*message
)->hdrs
, "Content-Encoding", sizeof("Content-Encoding"));
211 if ((flags
& PHP_HTTP_MESSAGE_PARSER_DUMB_BODIES
)) {
212 php_http_message_parser_state_push(parser
, 1, PHP_HTTP_MESSAGE_PARSER_STATE_BODY_DUMB
);
215 if (strstr(Z_STRVAL_PP(h_te
), "chunked")) {
216 parser
->dechunk
= php_http_encoding_stream_init(parser
->dechunk
, php_http_encoding_stream_get_dechunk_ops(), 0 TSRMLS_CC
);
217 php_http_message_parser_state_push(parser
, 1, PHP_HTTP_MESSAGE_PARSER_STATE_BODY_CHUNKED
);
225 parser
->body_length
= strtoul(Z_STRVAL_PP(h_cl
), &stop
, 10);
227 if (stop
!= Z_STRVAL_PP(h_cl
)) {
228 php_http_message_parser_state_push(parser
, 1, PHP_HTTP_MESSAGE_PARSER_STATE_BODY_LENGTH
);
234 ulong total
= 0, start
= 0, end
= 0;
236 if (!strncasecmp(Z_STRVAL_PP(h_cr
), "bytes", lenof("bytes"))
237 && ( Z_STRVAL_P(h
)[lenof("bytes")] == ':'
238 || Z_STRVAL_P(h
)[lenof("bytes")] == ' '
239 || Z_STRVAL_P(h
)[lenof("bytes")] == '='
242 char *total_at
= NULL
, *end_at
= NULL
;
243 char *start_at
= Z_STRVAL_PP(h_cr
) + sizeof("bytes");
245 start
= strtoul(start_at
, &end_at
, 10);
247 end
= strtoul(end_at
+ 1, &total_at
, 10);
248 if (total_at
&& strncmp(total_at
+ 1, "*", 1)) {
249 total
= strtoul(total_at
+ 1, NULL
, 10);
252 if (end
>= start
&& (!total
|| end
< total
)) {
253 parser
->body_length
= end
+ 1 - start
;
254 php_http_message_parser_state_push(parser
, 1, PHP_HTTP_MESSAGE_PARSER_STATE_BODY_LENGTH
);
262 if ((*message
)->type
== PHP_HTTP_REQUEST
) {
263 php_http_message_parser_state_push(parser
, 1, PHP_HTTP_MESSAGE_PARSER_STATE_DONE
);
265 php_http_message_parser_state_push(parser
, 1, PHP_HTTP_MESSAGE_PARSER_STATE_BODY_DUMB
);
271 case PHP_HTTP_MESSAGE_PARSER_STATE_BODY
:
276 if (parser
->inflate
) {
277 char *dec_str
= NULL
;
280 if (SUCCESS
!= php_http_encoding_stream_update(parser
->inflate
, str
, len
, &dec_str
, &dec_len
)) {
281 return php_http_message_parser_state_push(parser
, 1, PHP_HTTP_MESSAGE_PARSER_STATE_FAILURE
);
284 if (str
!= buffer
->data
) {
291 php_stream_write(php_http_message_body_stream(&(*message
)->body
), str
, len
);
295 ZVAL_LONG(zcl
, php_http_message_body_size(&(*message
)->body
));
296 zend_hash_update(&(*message
)->hdrs
, "Content-Length", sizeof("Content-Length"), &zcl
, sizeof(zval
*), NULL
);
300 php_http_buffer_cut(buffer
, 0, cut
);
303 if (str
!= buffer
->data
) {
313 case PHP_HTTP_MESSAGE_PARSER_STATE_BODY_DUMB
:
319 php_http_message_parser_state_push(parser
, 2, !buffer
->used
?PHP_HTTP_MESSAGE_PARSER_STATE_BODY_DONE
:PHP_HTTP_MESSAGE_PARSER_STATE_BODY_DUMB
, PHP_HTTP_MESSAGE_PARSER_STATE_BODY
);
323 case PHP_HTTP_MESSAGE_PARSER_STATE_BODY_LENGTH
:
325 len
= MIN(parser
->body_length
, buffer
->used
);
329 parser
->body_length
-= len
;
331 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
);
335 case PHP_HTTP_MESSAGE_PARSER_STATE_BODY_CHUNKED
:
338 * - pass available data through the dechunk stream
339 * - pass decoded data along
340 * - if stream zeroed:
341 * Y: - cut processed string out of buffer, but leave length of unprocessed dechunk stream data untouched
345 char *dec_str
= NULL
;
348 if (SUCCESS
!= php_http_encoding_stream_update(parser
->dechunk
, buffer
->data
, buffer
->used
, &dec_str
, &dec_len
)) {
355 if (php_http_encoding_stream_done(parser
->dechunk
)) {
356 cut
= buffer
->used
- PHP_HTTP_BUFFER_LEN(parser
->dechunk
->ctx
);
357 php_http_message_parser_state_push(parser
, 2, PHP_HTTP_MESSAGE_PARSER_STATE_BODY_DONE
, PHP_HTTP_MESSAGE_PARSER_STATE_BODY
);
360 php_http_message_parser_state_push(parser
, 2, PHP_HTTP_MESSAGE_PARSER_STATE_BODY_CHUNKED
, PHP_HTTP_MESSAGE_PARSER_STATE_BODY
);
365 case PHP_HTTP_MESSAGE_PARSER_STATE_BODY_DONE
:
367 php_http_message_parser_state_push(parser
, 1, PHP_HTTP_MESSAGE_PARSER_STATE_DONE
);
369 if (parser
->dechunk
) {
370 char *dec_str
= NULL
;
373 if (SUCCESS
!= php_http_encoding_stream_finish(parser
->dechunk
, &dec_str
, &dec_len
)) {
374 return php_http_message_parser_state_push(parser
, 1, PHP_HTTP_MESSAGE_PARSER_STATE_FAILURE
);
376 php_http_encoding_stream_dtor(parser
->dechunk
);
378 if (dec_str
&& dec_len
) {
382 php_http_message_parser_state_push(parser
, 1, PHP_HTTP_MESSAGE_PARSER_STATE_BODY
);
389 case PHP_HTTP_MESSAGE_PARSER_STATE_DONE
: {
390 char *ptr
= buffer
->data
;
392 while (ptr
- buffer
->data
< buffer
->used
&& PHP_HTTP_IS_CTYPE(space
, *ptr
)) {
396 php_http_buffer_cut(buffer
, 0, ptr
- buffer
->data
);
402 return php_http_message_parser_state_is(parser
);