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http.c
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/*
+----------------------------------------------------------------------+
| Copyright (c) The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| https://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Sara Golemon <pollita@php.net> |
+----------------------------------------------------------------------+
*/
#include "php_http.h"
#include "php_ini.h"
#include "url.h"
static void php_url_encode_scalar(zval *scalar, smart_str *form_str,
int encoding_type, zend_ulong index_int,
const char *index_string, size_t index_string_len,
const char *num_prefix, size_t num_prefix_len,
const zend_string *key_prefix,
const zend_string *arg_sep)
{
if (form_str->s) {
smart_str_append(form_str, arg_sep);
}
/* Simple key=value */
if (key_prefix) {
smart_str_append(form_str, key_prefix);
}
if (index_string) {
zend_string *encoded_key;
if (encoding_type == PHP_QUERY_RFC3986) {
encoded_key = php_raw_url_encode(index_string, index_string_len);
} else {
encoded_key = php_url_encode(index_string, index_string_len);
}
smart_str_append(form_str, encoded_key);
zend_string_free(encoded_key);
} else {
/* Numeric key */
if (num_prefix) {
smart_str_appendl(form_str, num_prefix, num_prefix_len);
}
smart_str_append_long(form_str, index_int);
}
if (key_prefix) {
smart_str_appendl(form_str, "%5D", strlen("%5D"));
}
smart_str_appendc(form_str, '=');
switch (Z_TYPE_P(scalar)) {
case IS_STRING: {
zend_string *encoded_data;
if (encoding_type == PHP_QUERY_RFC3986) {
encoded_data = php_raw_url_encode(Z_STRVAL_P(scalar), Z_STRLEN_P(scalar));
} else {
encoded_data = php_url_encode(Z_STRVAL_P(scalar), Z_STRLEN_P(scalar));
}
smart_str_append(form_str, encoded_data);
zend_string_free(encoded_data);
break;
}
case IS_LONG:
smart_str_append_long(form_str, Z_LVAL_P(scalar));
break;
case IS_DOUBLE: {
zend_string *encoded_data;
zend_string *tmp = zend_double_to_str(Z_DVAL_P(scalar));
if (encoding_type == PHP_QUERY_RFC3986) {
encoded_data = php_raw_url_encode(ZSTR_VAL(tmp), ZSTR_LEN(tmp));
} else {
encoded_data = php_url_encode(ZSTR_VAL(tmp), ZSTR_LEN(tmp));
}
smart_str_append(form_str, encoded_data);
zend_string_free(tmp);
zend_string_free(encoded_data);
break;
}
case IS_FALSE:
smart_str_appendc(form_str, '0');
break;
case IS_TRUE:
smart_str_appendc(form_str, '1');
break;
/* All possible types are either handled here or previously */
EMPTY_SWITCH_DEFAULT_CASE();
}
}
/* {{{ php_url_encode_hash */
PHPAPI void php_url_encode_hash_ex(HashTable *ht, smart_str *formstr,
const char *num_prefix, size_t num_prefix_len,
const zend_string *key_prefix,
zval *type, const zend_string *arg_sep, int enc_type)
{
zend_string *key = NULL;
const char *prop_name;
size_t prop_len;
zend_ulong idx;
zval *zdata = NULL;
ZEND_ASSERT(ht);
if (GC_IS_RECURSIVE(ht)) {
/* Prevent recursion */
return;
}
if (!arg_sep) {
arg_sep = zend_ini_str("arg_separator.output", strlen("arg_separator.output"), false);
if (ZSTR_LEN(arg_sep) == 0) {
arg_sep = ZSTR_CHAR('&');
}
}
ZEND_HASH_FOREACH_KEY_VAL(ht, idx, key, zdata) {
bool is_dynamic = 1;
if (Z_TYPE_P(zdata) == IS_INDIRECT) {
zdata = Z_INDIRECT_P(zdata);
if (Z_ISUNDEF_P(zdata)) {
continue;
}
is_dynamic = 0;
}
/* handling for private & protected object properties */
if (key) {
prop_name = ZSTR_VAL(key);
prop_len = ZSTR_LEN(key);
if (type != NULL && zend_check_property_access(Z_OBJ_P(type), key, is_dynamic) != SUCCESS) {
/* property not visible in this scope */
continue;
}
if (ZSTR_VAL(key)[0] == '\0' && type != NULL) {
const char *tmp;
zend_unmangle_property_name_ex(key, &tmp, &prop_name, &prop_len);
} else {
prop_name = ZSTR_VAL(key);
prop_len = ZSTR_LEN(key);
}
} else {
prop_name = NULL;
prop_len = 0;
}
ZVAL_DEREF(zdata);
if (Z_TYPE_P(zdata) == IS_ARRAY || Z_TYPE_P(zdata) == IS_OBJECT) {
zend_string *new_prefix;
if (key) {
zend_string *encoded_key;
if (enc_type == PHP_QUERY_RFC3986) {
encoded_key = php_raw_url_encode(prop_name, prop_len);
} else {
encoded_key = php_url_encode(prop_name, prop_len);
}
if (key_prefix) {
new_prefix = zend_string_concat3(ZSTR_VAL(key_prefix), ZSTR_LEN(key_prefix), ZSTR_VAL(encoded_key), ZSTR_LEN(encoded_key), "%5D%5B", strlen("%5D%5B"));
} else {
new_prefix = zend_string_concat2(ZSTR_VAL(encoded_key), ZSTR_LEN(encoded_key), "%5B", strlen("%5B"));
}
zend_string_release_ex(encoded_key, false);
} else { /* is integer index */
char *index_int_as_str;
size_t index_int_as_str_len;
index_int_as_str_len = spprintf(&index_int_as_str, 0, ZEND_LONG_FMT, idx);
if (key_prefix && num_prefix) {
/* zend_string_concat4() */
size_t len = ZSTR_LEN(key_prefix) + num_prefix_len + index_int_as_str_len + strlen("%5D%5B");
new_prefix = zend_string_alloc(len, 0);
memcpy(ZSTR_VAL(new_prefix), ZSTR_VAL(key_prefix), ZSTR_LEN(key_prefix));
memcpy(ZSTR_VAL(new_prefix) + ZSTR_LEN(key_prefix), num_prefix, num_prefix_len);
memcpy(ZSTR_VAL(new_prefix) + ZSTR_LEN(key_prefix) + num_prefix_len, index_int_as_str, index_int_as_str_len);
memcpy(ZSTR_VAL(new_prefix) + ZSTR_LEN(key_prefix) + num_prefix_len +index_int_as_str_len, "%5D%5B", strlen("%5D%5B"));
ZSTR_VAL(new_prefix)[len] = '\0';
} else if (key_prefix) {
new_prefix = zend_string_concat3(ZSTR_VAL(key_prefix), ZSTR_LEN(key_prefix), index_int_as_str, index_int_as_str_len, "%5D%5B", strlen("%5D%5B"));
} else if (num_prefix) {
new_prefix = zend_string_concat3(num_prefix, num_prefix_len, index_int_as_str, index_int_as_str_len, "%5B", strlen("%5B"));
} else {
new_prefix = zend_string_concat2(index_int_as_str, index_int_as_str_len, "%5B", strlen("%5B"));
}
efree(index_int_as_str);
}
GC_TRY_PROTECT_RECURSION(ht);
php_url_encode_hash_ex(HASH_OF(zdata), formstr, NULL, 0, new_prefix, (Z_TYPE_P(zdata) == IS_OBJECT ? zdata : NULL), arg_sep, enc_type);
GC_TRY_UNPROTECT_RECURSION(ht);
zend_string_release_ex(new_prefix, false);
} else if (Z_TYPE_P(zdata) == IS_NULL || Z_TYPE_P(zdata) == IS_RESOURCE) {
/* Skip these types */
continue;
} else {
php_url_encode_scalar(zdata, formstr,
enc_type, idx,
prop_name, prop_len,
num_prefix, num_prefix_len,
key_prefix,
arg_sep);
}
} ZEND_HASH_FOREACH_END();
}
/* }}} */
/* If there is a prefix we need to close the key with an encoded ] ("%5D") */
/* {{{ Generates a form-encoded query string from an associative array or object. */
PHP_FUNCTION(http_build_query)
{
zval *formdata;
char *prefix = NULL;
size_t prefix_len = 0;
zend_string *arg_sep = NULL;
smart_str formstr = {0};
zend_long enc_type = PHP_QUERY_RFC1738;
ZEND_PARSE_PARAMETERS_START(1, 4)
Z_PARAM_ARRAY_OR_OBJECT(formdata)
Z_PARAM_OPTIONAL
Z_PARAM_STRING(prefix, prefix_len)
Z_PARAM_STR_OR_NULL(arg_sep)
Z_PARAM_LONG(enc_type)
ZEND_PARSE_PARAMETERS_END();
php_url_encode_hash_ex(HASH_OF(formdata), &formstr, prefix, prefix_len, /* key_prefix */ NULL, (Z_TYPE_P(formdata) == IS_OBJECT ? formdata : NULL), arg_sep, (int)enc_type);
RETURN_STR(smart_str_extract(&formstr));
}
/* }}} */