1 /*
2 +----------------------------------------------------------------------+
3 | PHP Version 5 |
4 +----------------------------------------------------------------------+
5 | Copyright (c) 1997-2016 The PHP Group |
6 +----------------------------------------------------------------------+
7 | This source file is subject to version 3.01 of the PHP license, |
8 | that is bundled with this package in the file LICENSE, and is |
9 | available through the world-wide-web at the following url: |
10 | http://www.php.net/license/3_01.txt |
11 | If you did not receive a copy of the PHP license and are unable to |
12 | obtain it through the world-wide-web, please send a note to |
13 | license@php.net so we can mail you a copy immediately. |
14 +----------------------------------------------------------------------+
15 | Authors: Sara Golemon <pollita@php.net> |
16 +----------------------------------------------------------------------+
17 */
18
19 /* $Id$ */
20
21 #include "php_http.h"
22 #include "php_ini.h"
23 #include "url.h"
24
25 #define URL_DEFAULT_ARG_SEP "&"
26
27 /* {{{ php_url_encode_hash */
php_url_encode_hash_ex(HashTable * ht,smart_str * formstr,const char * num_prefix,int num_prefix_len,const char * key_prefix,int key_prefix_len,const char * key_suffix,int key_suffix_len,zval * type,char * arg_sep,int enc_type TSRMLS_DC)28 PHPAPI int php_url_encode_hash_ex(HashTable *ht, smart_str *formstr,
29 const char *num_prefix, int num_prefix_len,
30 const char *key_prefix, int key_prefix_len,
31 const char *key_suffix, int key_suffix_len,
32 zval *type, char *arg_sep, int enc_type TSRMLS_DC)
33 {
34 char *key = NULL;
35 char *ekey, *newprefix, *p;
36 int arg_sep_len, ekey_len, key_type, newprefix_len;
37 uint key_len;
38 ulong idx;
39 zval **zdata = NULL, *copyzval;
40
41 if (!ht) {
42 return FAILURE;
43 }
44
45 if (ht->nApplyCount > 0) {
46 /* Prevent recursion */
47 return SUCCESS;
48 }
49
50 if (!arg_sep) {
51 arg_sep = INI_STR("arg_separator.output");
52 if (!arg_sep || !strlen(arg_sep)) {
53 arg_sep = URL_DEFAULT_ARG_SEP;
54 }
55 }
56 arg_sep_len = strlen(arg_sep);
57
58 for (zend_hash_internal_pointer_reset(ht);
59 (key_type = zend_hash_get_current_key_ex(ht, &key, &key_len, &idx, 0, NULL)) != HASH_KEY_NON_EXISTENT;
60 zend_hash_move_forward(ht)
61 ) {
62 if (key_type == HASH_KEY_IS_STRING && key_len && key[key_len-1] == '\0') {
63 /* We don't want that trailing NULL */
64 key_len -= 1;
65 }
66
67 /* handling for private & protected object properties */
68 if (key && *key == '\0' && type != NULL) {
69 const char *tmp;
70
71 zend_object *zobj = zend_objects_get_address(type TSRMLS_CC);
72 if (zend_check_property_access(zobj, key, key_len TSRMLS_CC) != SUCCESS) {
73 /* private or protected property access outside of the class */
74 continue;
75 }
76 zend_unmangle_property_name_ex(key, key_len, &tmp, (const char**)&key, &key_len);
77 }
78
79 if (zend_hash_get_current_data_ex(ht, (void **)&zdata, NULL) == FAILURE || !zdata || !(*zdata)) {
80 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Error traversing form data array");
81 return FAILURE;
82 }
83 if (Z_TYPE_PP(zdata) == IS_ARRAY || Z_TYPE_PP(zdata) == IS_OBJECT) {
84 if (key_type == HASH_KEY_IS_STRING) {
85 if (enc_type == PHP_QUERY_RFC3986) {
86 ekey = php_raw_url_encode(key, key_len, &ekey_len);
87 } else {
88 ekey = php_url_encode(key, key_len, &ekey_len);
89 }
90 newprefix_len = key_suffix_len + ekey_len + key_prefix_len + 3 /* %5B */;
91 newprefix = emalloc(newprefix_len + 1);
92 p = newprefix;
93
94 if (key_prefix) {
95 memcpy(p, key_prefix, key_prefix_len);
96 p += key_prefix_len;
97 }
98
99 memcpy(p, ekey, ekey_len);
100 p += ekey_len;
101 efree(ekey);
102
103 if (key_suffix) {
104 memcpy(p, key_suffix, key_suffix_len);
105 p += key_suffix_len;
106 }
107 *(p++) = '%';
108 *(p++) = '5';
109 *(p++) = 'B';
110 *p = '\0';
111 } else {
112 /* Is an integer key */
113 ekey_len = spprintf(&ekey, 0, "%ld", idx);
114 newprefix_len = key_prefix_len + num_prefix_len + ekey_len + key_suffix_len + 3 /* %5B */;
115 newprefix = emalloc(newprefix_len + 1);
116 p = newprefix;
117
118 if (key_prefix) {
119 memcpy(p, key_prefix, key_prefix_len);
120 p += key_prefix_len;
121 }
122
123 memcpy(p, num_prefix, num_prefix_len);
124 p += num_prefix_len;
125
126 memcpy(p, ekey, ekey_len);
127 p += ekey_len;
128 efree(ekey);
129
130 if (key_suffix) {
131 memcpy(p, key_suffix, key_suffix_len);
132 p += key_suffix_len;
133 }
134 *(p++) = '%';
135 *(p++) = '5';
136 *(p++) = 'B';
137 *p = '\0';
138 }
139 ht->nApplyCount++;
140 php_url_encode_hash_ex(HASH_OF(*zdata), formstr, NULL, 0, newprefix, newprefix_len, "%5D", 3, (Z_TYPE_PP(zdata) == IS_OBJECT ? *zdata : NULL), arg_sep, enc_type TSRMLS_CC);
141 ht->nApplyCount--;
142 efree(newprefix);
143 } else if (Z_TYPE_PP(zdata) == IS_NULL || Z_TYPE_PP(zdata) == IS_RESOURCE) {
144 /* Skip these types */
145 continue;
146 } else {
147 if (formstr->len) {
148 smart_str_appendl(formstr, arg_sep, arg_sep_len);
149 }
150 /* Simple key=value */
151 smart_str_appendl(formstr, key_prefix, key_prefix_len);
152 if (key_type == HASH_KEY_IS_STRING) {
153 if (enc_type == PHP_QUERY_RFC3986) {
154 ekey = php_raw_url_encode(key, key_len, &ekey_len);
155 } else {
156 ekey = php_url_encode(key, key_len, &ekey_len);
157 }
158 smart_str_appendl(formstr, ekey, ekey_len);
159 efree(ekey);
160 } else {
161 /* Numeric key */
162 if (num_prefix) {
163 smart_str_appendl(formstr, num_prefix, num_prefix_len);
164 }
165 ekey_len = spprintf(&ekey, 0, "%ld", idx);
166 smart_str_appendl(formstr, ekey, ekey_len);
167 efree(ekey);
168 }
169 smart_str_appendl(formstr, key_suffix, key_suffix_len);
170 smart_str_appendl(formstr, "=", 1);
171 switch (Z_TYPE_PP(zdata)) {
172 case IS_STRING:
173 if (enc_type == PHP_QUERY_RFC3986) {
174 ekey = php_raw_url_encode(Z_STRVAL_PP(zdata), Z_STRLEN_PP(zdata), &ekey_len);
175 } else {
176 ekey = php_url_encode(Z_STRVAL_PP(zdata), Z_STRLEN_PP(zdata), &ekey_len);
177 }
178 break;
179 case IS_LONG:
180 case IS_BOOL:
181 ekey_len = spprintf(&ekey, 0, "%ld", Z_LVAL_PP(zdata));
182 break;
183 case IS_DOUBLE:
184 ekey_len = spprintf(&ekey, 0, "%.*G", (int) EG(precision), Z_DVAL_PP(zdata));
185 break;
186 default:
187 /* fall back on convert to string */
188 MAKE_STD_ZVAL(copyzval);
189 *copyzval = **zdata;
190 zval_copy_ctor(copyzval);
191 convert_to_string_ex(©zval);
192 if (enc_type == PHP_QUERY_RFC3986) {
193 ekey = php_raw_url_encode(Z_STRVAL_P(copyzval), Z_STRLEN_P(copyzval), &ekey_len);
194 } else {
195 ekey = php_url_encode(Z_STRVAL_P(copyzval), Z_STRLEN_P(copyzval), &ekey_len);
196 }
197 zval_ptr_dtor(©zval);
198 }
199 smart_str_appendl(formstr, ekey, ekey_len);
200 efree(ekey);
201 }
202 }
203
204 return SUCCESS;
205 }
206 /* }}} */
207
208 /* {{{ proto string http_build_query(mixed formdata [, string prefix [, string arg_separator [, int enc_type]]])
209 Generates a form-encoded query string from an associative array or object. */
PHP_FUNCTION(http_build_query)210 PHP_FUNCTION(http_build_query)
211 {
212 zval *formdata;
213 char *prefix = NULL, *arg_sep=NULL;
214 int arg_sep_len = 0, prefix_len = 0;
215 smart_str formstr = {0};
216 long enc_type = PHP_QUERY_RFC1738;
217
218 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z|ssl", &formdata, &prefix, &prefix_len, &arg_sep, &arg_sep_len, &enc_type) != SUCCESS) {
219 RETURN_FALSE;
220 }
221
222 if (Z_TYPE_P(formdata) != IS_ARRAY && Z_TYPE_P(formdata) != IS_OBJECT) {
223 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Parameter 1 expected to be Array or Object. Incorrect value given");
224 RETURN_FALSE;
225 }
226
227 if (php_url_encode_hash_ex(HASH_OF(formdata), &formstr, prefix, prefix_len, NULL, 0, NULL, 0, (Z_TYPE_P(formdata) == IS_OBJECT ? formdata : NULL), arg_sep, enc_type TSRMLS_CC) == FAILURE) {
228 if (formstr.c) {
229 efree(formstr.c);
230 }
231 RETURN_FALSE;
232 }
233
234 if (!formstr.c) {
235 RETURN_EMPTY_STRING();
236 }
237
238 smart_str_0(&formstr);
239
240 RETURN_STRINGL(formstr.c, formstr.len, 0);
241 }
242 /* }}} */
243
244 /*
245 * Local variables:
246 * tab-width: 4
247 * c-basic-offset: 4
248 * End:
249 * vim600: sw=4 ts=4 fdm=marker
250 * vim<600: sw=4 ts=4
251 */
252
253
