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) 2004-2005, Michael Wallner <mike@php.net> |
10 +--------------------------------------------------------------------+
21 #include "ext/standard/url.h"
22 #include "ext/standard/php_string.h"
24 #include "php_http_api.h"
25 #include "php_http_headers_api.h"
28 # define HTTP_DBG_NEG 0
32 PHP_MINIT_FUNCTION(http_headers
)
34 HTTP_LONG_CONSTANT("HTTP_REDIRECT", HTTP_REDIRECT
);
35 HTTP_LONG_CONSTANT("HTTP_REDIRECT_PERM", HTTP_REDIRECT_PERM
);
36 HTTP_LONG_CONSTANT("HTTP_REDIRECT_POST", HTTP_REDIRECT_POST
);
37 HTTP_LONG_CONSTANT("HTTP_REDIRECT_TEMP", HTTP_REDIRECT_TEMP
);
43 /* {{{ static int http_sort_q(const void *, const void *) */
44 static int http_sort_q(const void *a
, const void *b TSRMLS_DC
)
47 zval result
, *first
, *second
;
52 first
= *((zval
**) f
->pData
);
53 second
= *((zval
**) s
->pData
);
55 if (numeric_compare_function(&result
, first
, second TSRMLS_CC
) != SUCCESS
) {
58 return (Z_LVAL(result
) > 0 ? -1 : (Z_LVAL(result
) < 0 ? 1 : 0));
62 /* {{{ char *http_negotiate_language_func */
63 char *_http_negotiate_language_func(const char *test
, double *quality
, HashTable
*supported TSRMLS_DC
)
67 const char *dash_test
;
69 FOREACH_HASH_VAL(pos
, supported
, value
) {
71 fprintf(stderr
, "strcasecmp('%s', '%s')\n", Z_STRVAL_PP(value
), test
);
73 if (!strcasecmp(Z_STRVAL_PP(value
), test
)) {
74 return Z_STRVAL_PP(value
);
78 /* no distinct match found, so try primaries */
79 if ((dash_test
= strchr(test
, '-'))) {
80 FOREACH_HASH_VAL(pos
, supported
, value
) {
81 int len
= dash_test
- test
;
83 fprintf(stderr
, "strncasecmp('%s', '%s', %d)\n", Z_STRVAL_PP(value
), test
, len
);
85 if ( (!strncasecmp(Z_STRVAL_PP(value
), test
, len
)) &&
86 ( (Z_STRVAL_PP(value
)[len
] == '\0') ||
87 (Z_STRVAL_PP(value
)[len
] == '-'))) {
89 return Z_STRVAL_PP(value
);
98 /* {{{ char *http_negotiate_default_func */
99 char *_http_negotiate_default_func(const char *test
, double *quality
, HashTable
*supported TSRMLS_DC
)
104 FOREACH_HASH_VAL(pos
, supported
, value
) {
106 fprintf(stderr
, "strcasecmp('%s', '%s')\n", Z_STRVAL_PP(value
), test
);
108 if (!strcasecmp(Z_STRVAL_PP(value
), test
)) {
109 return Z_STRVAL_PP(value
);
117 /* {{{ HashTable *http_negotiate_q(const char *, HashTable *, negotiate_func_t) */
118 PHP_HTTP_API HashTable
*_http_negotiate_q(const char *header
, HashTable
*supported
, negotiate_func_t neg TSRMLS_DC
)
121 HashTable
*result
= NULL
;
124 fprintf(stderr
, "Reading header %s: ", header
);
126 HTTP_GSC(accept
, header
, NULL
);
128 fprintf(stderr
, "%s\n", Z_STRVAL_P(accept
));
131 if (Z_STRLEN_P(accept
)) {
136 ZVAL_STRINGL(&ex_del
, ",", 1, 0);
139 php_explode(&ex_del
, accept
, &ex_arr
, -1);
141 if (zend_hash_num_elements(Z_ARRVAL(ex_arr
)) > 0) {
149 FOREACH_HASH_VAL(pos
, Z_ARRVAL(ex_arr
), entry
) {
152 char *selected
, *identifier
, *freeme
;
153 const char *separator
;
156 fprintf(stderr
, "Checking %s\n", Z_STRVAL_PP(entry
));
159 if ((separator
= strchr(Z_STRVAL_PP(entry
), ';'))) {
160 const char *ptr
= separator
;
162 while (*++ptr
&& !isdigit(*ptr
) && '.' != *ptr
);
165 identifier
= estrndup(Z_STRVAL_PP(entry
), ident_len
= separator
- Z_STRVAL_PP(entry
));
167 quality
= 1000.0 - i
++;
168 identifier
= estrndup(Z_STRVAL_PP(entry
), ident_len
= Z_STRLEN_PP(entry
));
172 while (isspace(*identifier
)) {
176 while (ident_len
&& isspace(identifier
[ident_len
- 1])) {
177 identifier
[--ident_len
] = '\0';
180 if ((selected
= neg(identifier
, &quality
, supported TSRMLS_CC
))) {
181 /* don't overwrite previously set with higher quality */
182 if (!zend_hash_exists(Z_ARRVAL(array
), selected
, strlen(selected
) + 1)) {
183 add_assoc_double(&array
, selected
, quality
);
190 result
= Z_ARRVAL(array
);
191 zend_hash_sort(result
, zend_qsort
, http_sort_q
, 0 TSRMLS_CC
);
201 /* {{{ http_range_status http_get_request_ranges(HashTable *ranges, size_t) */
202 PHP_HTTP_API http_range_status
_http_get_request_ranges(HashTable
*ranges
, size_t length TSRMLS_DC
)
206 long begin
= -1, end
= -1, *ptr
;
208 HTTP_GSC(zrange
, "HTTP_RANGE", RANGE_NO
);
209 range
= Z_STRVAL_P(zrange
);
211 if (strncmp(range
, "bytes=", sizeof("bytes=") - 1)) {
216 range
+= sizeof("bytes=") - 1;
219 switch (c
= *(range
++))
222 /* allow 000... - shall we? */
228 case '1': case '2': case '3':
229 case '4': case '5': case '6':
230 case '7': case '8': case '9':
232 * If the value of the pointer is already set (non-negative)
233 * then multiply its value by ten and add the current value,
234 * else initialise the pointers value with the current value
236 * This let us recognize empty fields when validating the
237 * ranges, i.e. a "-10" for begin and "12345" for the end
238 * was the following range request: "Range: bytes=0-12345";
239 * While a "-1" for begin and "12345" for the end would
240 * have been: "Range: bytes=-12345".
255 /* IE - ignore for now */
262 /* validate ranges */
271 /* "0-0" or overflow */
272 if (end
== -10 || length
<= (size_t) end
) {
280 /* "-", "-0" or overflow */
281 if (end
== -1 || end
== -10 || length
<= (size_t) end
) {
284 begin
= length
- end
;
299 if (length
<= (size_t) begin
) {
307 if ( (length
<= (size_t) begin
) ||
308 (length
<= (size_t) end
) ||
319 MAKE_STD_ZVAL(zentry
);
321 add_index_long(zentry
, 0, begin
);
322 add_index_long(zentry
, 1, end
);
323 zend_hash_next_index_insert(ranges
, &zentry
, sizeof(zval
*), NULL
);
341 /* {{{ STATUS http_parse_headers(char *, HashTable *, zend_bool) */
342 PHP_HTTP_API STATUS
_http_parse_headers_ex(const char *header
, HashTable
*headers
, zend_bool prettify
,
343 http_info_callback callback_func
, void **callback_data TSRMLS_DC
)
345 const char *colon
= NULL
, *line
= NULL
, *begin
= header
;
346 const char *body
= http_locate_body(header
);
350 INIT_ZARR(array
, headers
);
353 header_len
= body
- header
;
355 header_len
= strlen(header
) + 1;
370 --value_len
; /* we don't have CR so value length is one char less */
372 if ((!*(line
- 1)) || ((*line
!= ' ') && (*line
!= '\t'))) {
375 /* response/request line */
376 if (SUCCESS
== http_info_parse(header
, &i
)) {
377 callback_func(callback_data
, &headers
, &i TSRMLS_CC
);
379 Z_ARRVAL(array
) = headers
;
382 /* "header: value" pair */
386 if (header
!= colon
) {
387 zval
**previous
= NULL
;
389 int keylen
= colon
- header
;
390 char *key
= estrndup(header
, keylen
);
393 key
= pretty_key(key
, keylen
, 1, 1);
396 value_len
+= line
- colon
- 1;
398 /* skip leading ws */
399 while (isspace(*(++colon
))) --value_len
;
400 /* skip trailing ws */
401 while (isspace(colon
[value_len
- 1])) --value_len
;
404 value
= estrndup(colon
, value_len
);
410 /* if we already have got such a header make an array of those */
411 if (SUCCESS
== zend_hash_find(headers
, key
, keylen
+ 1, (void **) &previous
)) {
412 /* convert to array */
413 if (Z_TYPE_PP(previous
) != IS_ARRAY
) {
414 convert_to_array(*previous
);
416 add_next_index_stringl(*previous
, value
, value_len
, 0);
418 add_assoc_stringl(&array
, key
, value
, value_len
, 0);
425 header
+= line
- header
;
429 } while (header_len
> (size_t) (line
- begin
));
435 /* {{{ void http_get_request_headers_ex(HashTable *, zend_bool) */
436 PHP_HTTP_API
void _http_get_request_headers_ex(HashTable
*headers
, zend_bool prettify TSRMLS_DC
)
444 Z_ARRVAL(array
) = headers
;
446 if (SUCCESS
== zend_hash_find(&EG(symbol_table
), "_SERVER", sizeof("_SERVER"), (void **) &hsv
)) {
447 FOREACH_KEYLEN(pos
, *hsv
, key
, keylen
, idx
) {
448 if (key
&& keylen
> 6 && !strncmp(key
, "HTTP_", 5)) {
449 zval
**header
, *orig
;
454 key
= pretty_key(estrndup(key
, keylen
), keylen
, 1, 1);
457 zend_hash_get_current_data_ex(Z_ARRVAL_PP(hsv
), (void **) &header
, &pos
);
460 convert_to_string_ex(header
);
461 add_assoc_stringl(&array
, key
, Z_STRVAL_PP(header
), Z_STRLEN_PP(header
), 1);
462 if (orig
!= *header
) {
463 zval_ptr_dtor(header
);
478 /* {{{ zend_bool http_match_request_header(char *, char *) */
479 PHP_HTTP_API zend_bool
_http_match_request_header_ex(const char *header
, const char *value
, zend_bool match_case TSRMLS_DC
)
482 uint name_len
= strlen(header
);
483 zend_bool result
= 0;
487 name
= pretty_key(estrndup(header
, name_len
), name_len
, 1, 1);
488 zend_hash_init(&headers
, 0, NULL
, ZVAL_PTR_DTOR
, 0);
489 http_get_request_headers_ex(&headers
, 1);
491 if (SUCCESS
== zend_hash_find(&headers
, name
, name_len
+1, (void **) &data
)) {
492 result
= (match_case
? strcmp(Z_STRVAL_PP(data
), value
) : strcasecmp(Z_STRVAL_PP(data
), value
)) ? 0 : 1;
494 zend_hash_destroy(&headers
);
507 * vim600: noet sw=4 ts=4 fdm=marker
508 * vim<600: noet sw=4 ts=4