2 +--------------------------------------------------------------------+
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 +--------------------------------------------------------------------+
17 #include "ext/standard/url.h"
18 #include "ext/standard/php_string.h"
20 #include "php_http_api.h"
21 #include "php_http_headers_api.h"
24 # define HTTP_DBG_NEG 0
27 /* {{{ static int http_sort_q(const void *, const void *) */
28 static int http_sort_q(const void *a
, const void *b TSRMLS_DC
)
31 zval result
, *first
, *second
;
36 first
= *((zval
**) f
->pData
);
37 second
= *((zval
**) s
->pData
);
39 if (numeric_compare_function(&result
, first
, second TSRMLS_CC
) != SUCCESS
) {
42 return (Z_LVAL(result
) > 0 ? -1 : (Z_LVAL(result
) < 0 ? 1 : 0));
46 /* {{{ char *http_negotiate_language_func */
47 char *_http_negotiate_language_func(const char *test
, double *quality
, HashTable
*supported TSRMLS_DC
)
51 const char *dash_test
;
53 FOREACH_HASH_VAL(pos
, supported
, value
) {
55 fprintf(stderr
, "strcasecmp('%s', '%s')\n", Z_STRVAL_PP(value
), test
);
57 if (!strcasecmp(Z_STRVAL_PP(value
), test
)) {
58 return Z_STRVAL_PP(value
);
62 /* no distinct match found, so try primaries */
63 if ((dash_test
= strchr(test
, '-'))) {
64 FOREACH_HASH_VAL(pos
, supported
, value
) {
65 int len
= dash_test
- test
;
67 fprintf(stderr
, "strncasecmp('%s', '%s', %d)\n", Z_STRVAL_PP(value
), test
, len
);
69 if ( (!strncasecmp(Z_STRVAL_PP(value
), test
, len
)) &&
70 ( (Z_STRVAL_PP(value
)[len
] == '\0') ||
71 (Z_STRVAL_PP(value
)[len
] == '-'))) {
73 return Z_STRVAL_PP(value
);
82 /* {{{ char *http_negotiate_default_func */
83 char *_http_negotiate_default_func(const char *test
, double *quality
, HashTable
*supported TSRMLS_DC
)
88 FOREACH_HASH_VAL(pos
, supported
, value
) {
90 fprintf(stderr
, "strcasecmp('%s', '%s')\n", Z_STRVAL_PP(value
), test
);
92 if (!strcasecmp(Z_STRVAL_PP(value
), test
)) {
93 return Z_STRVAL_PP(value
);
101 /* {{{ HashTable *http_negotiate_q(const char *, HashTable *, negotiate_func_t) */
102 PHP_HTTP_API HashTable
*_http_negotiate_q(const char *header
, HashTable
*supported
, negotiate_func_t neg TSRMLS_DC
)
105 HashTable
*result
= NULL
;
108 fprintf(stderr
, "Reading header %s: ", header
);
110 if (!(accept
= http_get_server_var(header
, 1))) {
114 fprintf(stderr
, "%s\n", Z_STRVAL_P(accept
));
117 if (Z_STRLEN_P(accept
)) {
122 ZVAL_STRINGL(&ex_del
, ",", 1, 0);
125 php_explode(&ex_del
, accept
, &ex_arr
, -1);
127 if (zend_hash_num_elements(Z_ARRVAL(ex_arr
)) > 0) {
135 FOREACH_HASH_VAL(pos
, Z_ARRVAL(ex_arr
), entry
) {
138 char *selected
, *identifier
, *freeme
;
139 const char *separator
;
142 fprintf(stderr
, "Checking %s\n", Z_STRVAL_PP(entry
));
145 if ((separator
= strchr(Z_STRVAL_PP(entry
), ';'))) {
146 const char *ptr
= separator
;
148 while (*++ptr
&& !HTTP_IS_CTYPE(digit
, *ptr
) && '.' != *ptr
);
151 identifier
= estrndup(Z_STRVAL_PP(entry
), ident_len
= separator
- Z_STRVAL_PP(entry
));
153 quality
= 1000.0 - i
++;
154 identifier
= estrndup(Z_STRVAL_PP(entry
), ident_len
= Z_STRLEN_PP(entry
));
158 while (HTTP_IS_CTYPE(space
, *identifier
)) {
162 while (ident_len
&& HTTP_IS_CTYPE(space
, identifier
[ident_len
- 1])) {
163 identifier
[--ident_len
] = '\0';
166 if ((selected
= neg(identifier
, &quality
, supported TSRMLS_CC
))) {
167 /* don't overwrite previously set with higher quality */
168 if (!zend_hash_exists(Z_ARRVAL(array
), selected
, strlen(selected
) + 1)) {
169 add_assoc_double(&array
, selected
, quality
);
176 result
= Z_ARRVAL(array
);
177 zend_hash_sort(result
, zend_qsort
, http_sort_q
, 0 TSRMLS_CC
);
187 /* {{{ http_range_status http_get_request_ranges(HashTable *ranges, size_t) */
188 PHP_HTTP_API http_range_status
_http_get_request_ranges(HashTable
*ranges
, size_t length TSRMLS_DC
)
192 long begin
= -1, end
= -1, *ptr
;
194 if ( !(zrange
= http_get_server_var("HTTP_RANGE", 1)) ||
195 Z_STRLEN_P(zrange
) < lenof("bytes=") || strncmp(Z_STRVAL_P(zrange
), "bytes=", lenof("bytes="))) {
198 range
= Z_STRVAL_P(zrange
) + lenof("bytes=");
202 switch (c
= *(range
++)) {
204 /* allow 000... - shall we? */
210 case '1': case '2': case '3':
211 case '4': case '5': case '6':
212 case '7': case '8': case '9':
214 * If the value of the pointer is already set (non-negative)
215 * then multiply its value by ten and add the current value,
216 * else initialise the pointers value with the current value
218 * This let us recognize empty fields when validating the
219 * ranges, i.e. a "-10" for begin and "12345" for the end
220 * was the following range request: "Range: bytes=0-12345";
221 * While a "-1" for begin and "12345" for the end would
222 * have been: "Range: bytes=-12345".
243 /* validate ranges */
251 /* "0-0" or overflow */
252 if (end
== -10 || length
<= (size_t) end
) {
260 /* "-", "-0" or overflow */
261 if (end
== -1 || end
== -10 || length
<= (size_t) end
) {
264 begin
= length
- end
;
277 if (length
<= (size_t) begin
) {
285 if ( (length
<= (size_t) begin
) ||
286 (length
<= (size_t) end
) ||
297 MAKE_STD_ZVAL(zentry
);
299 add_index_long(zentry
, 0, begin
);
300 add_index_long(zentry
, 1, end
);
301 zend_hash_next_index_insert(ranges
, &zentry
, sizeof(zval
*), NULL
);
318 /* {{{ STATUS http_parse_headers(char *, HashTable *, zend_bool) */
319 PHP_HTTP_API STATUS
_http_parse_headers_ex(const char *header
, HashTable
*headers
, zend_bool prettify
,
320 http_info_callback callback_func
, void **callback_data TSRMLS_DC
)
322 const char *colon
= NULL
, *line
= NULL
;
325 INIT_ZARR(array
, headers
);
327 /* skip leading ws */
328 while (HTTP_IS_CTYPE(space
, *header
)) ++header
;
331 #define MORE_HEADERS (*(line-1) && !(*(line-1) == '\n' && (*line == '\n' || *line == '\r')))
343 --value_len
; /* we don't have CR so value length is one char less */
345 if ((!*(line
- 1)) || ((*line
!= ' ') && (*line
!= '\t'))) {
348 if (SUCCESS
== http_info_parse(header
, &i
)) {
349 /* response/request line */
350 callback_func(callback_data
, &headers
, &i TSRMLS_CC
);
352 Z_ARRVAL(array
) = headers
;
354 /* "header: value" pair */
355 if (header
!= colon
) {
356 int keylen
= colon
- header
;
357 const char *key
= header
;
359 /* skip leading ws */
360 while (keylen
&& HTTP_IS_CTYPE(space
, *key
)) --keylen
, ++key
;
361 /* skip trailing ws */
362 while (keylen
&& HTTP_IS_CTYPE(space
, key
[keylen
- 1])) --keylen
;
365 zval
**previous
= NULL
;
367 char *keydup
= estrndup(key
, keylen
);
370 keydup
= pretty_key(keydup
, keylen
, 1, 1);
373 value_len
+= line
- colon
- 1;
375 /* skip leading ws */
376 while (HTTP_IS_CTYPE(space
, *(++colon
))) --value_len
;
377 /* skip trailing ws */
378 while (HTTP_IS_CTYPE(space
, colon
[value_len
- 1])) --value_len
;
381 value
= estrndup(colon
, value_len
);
387 /* if we already have got such a header make an array of those */
388 if (SUCCESS
== zend_hash_find(headers
, keydup
, keylen
+ 1, (void *) &previous
)) {
389 /* convert to array */
390 if (Z_TYPE_PP(previous
) != IS_ARRAY
) {
391 convert_to_array(*previous
);
393 add_next_index_stringl(*previous
, value
, value_len
, 0);
395 add_assoc_stringl(&array
, keydup
, value
, value_len
, 0);
399 /* empty key (" : ...") */
403 /* empty key (": ...") */
406 } else if (MORE_HEADERS
) {
407 /* a line without a colon */
412 header
+= line
- header
;
416 } while (MORE_HEADERS
);
422 /* {{{ void http_get_request_headers(HashTable *) */
423 PHP_HTTP_API
void _http_get_request_headers(HashTable
*headers TSRMLS_DC
)
425 HashKey key
= initHashKey(0);
426 zval
**hsv
, **header
;
429 if (!HTTP_G
->request
.headers
) {
430 ALLOC_HASHTABLE(HTTP_G
->request
.headers
);
431 zend_hash_init(HTTP_G
->request
.headers
, 0, NULL
, ZVAL_PTR_DTOR
, 0);
434 zend_is_auto_global("_SERVER", lenof("_SERVER") TSRMLS_CC
);
437 if (SUCCESS
== zend_hash_find(&EG(symbol_table
), "_SERVER", sizeof("_SERVER"), (void *) &hsv
) && Z_TYPE_PP(hsv
) == IS_ARRAY
) {
438 FOREACH_KEY(pos
, *hsv
, key
) {
439 if (key
.type
== HASH_KEY_IS_STRING
&& key
.len
> 6 && !strncmp(key
.str
, "HTTP_", 5)) {
441 key
.str
= pretty_key(estrndup(key
.str
+ 5, key
.len
- 1), key
.len
- 1, 1, 1);
443 zend_hash_get_current_data_ex(Z_ARRVAL_PP(hsv
), (void *) &header
, &pos
);
444 ZVAL_ADDREF(*header
);
445 zend_hash_add(HTTP_G
->request
.headers
, key
.str
, key
.len
, (void *) header
, sizeof(zval
*), NULL
);
454 zend_hash_copy(headers
, HTTP_G
->request
.headers
, (copy_ctor_func_t
) zval_add_ref
, NULL
, sizeof(zval
*));
459 /* {{{ zend_bool http_match_request_header(char *, char *) */
460 PHP_HTTP_API zend_bool
_http_match_request_header_ex(const char *header
, const char *value
, zend_bool match_case TSRMLS_DC
)
463 uint name_len
= strlen(header
);
464 zend_bool result
= 0;
465 zval
**data
, *zvalue
;
467 http_get_request_headers(NULL
);
468 name
= pretty_key(estrndup(header
, name_len
), name_len
, 1, 1);
469 if (SUCCESS
== zend_hash_find(HTTP_G
->request
.headers
, name
, name_len
+1, (void *) &data
)) {
470 zvalue
= zval_copy(IS_STRING
, *data
);
471 result
= (match_case
? strcmp(Z_STRVAL_P(zvalue
), value
) : strcasecmp(Z_STRVAL_P(zvalue
), value
)) ? 0 : 1;
486 * vim600: noet sw=4 ts=4 fdm=marker
487 * vim<600: noet sw=4 ts=4