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/*
+----------------------------------------------------------------------+
| PHP Version 7 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2018 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: |
| http://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. |
+----------------------------------------------------------------------+
| Author: Omar Kilani <omar@php.net> |
| Jakub Zelenka <bukka@php.net> |
+----------------------------------------------------------------------+
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "php.h"
#include "php_ini.h"
#include "ext/standard/info.h"
#include "ext/standard/html.h"
#include "zend_smart_str.h"
#include "php_json.h"
#include "php_json_encoder.h"
#include "php_json_parser.h"
#include <zend_exceptions.h>
static PHP_MINFO_FUNCTION(json);
static PHP_FUNCTION(json_encode);
static PHP_FUNCTION(json_decode);
static PHP_FUNCTION(json_last_error);
static PHP_FUNCTION(json_last_error_msg);
PHP_JSON_API zend_class_entry *php_json_serializable_ce;
PHP_JSON_API zend_class_entry *php_json_exception_ce;
PHP_JSON_API ZEND_DECLARE_MODULE_GLOBALS(json)
/* {{{ arginfo */
ZEND_BEGIN_ARG_INFO_EX(arginfo_json_encode, 0, 0, 1)
ZEND_ARG_INFO(0, value)
ZEND_ARG_INFO(0, options)
ZEND_ARG_INFO(0, depth)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_json_decode, 0, 0, 1)
ZEND_ARG_INFO(0, json)
ZEND_ARG_INFO(0, assoc)
ZEND_ARG_INFO(0, depth)
ZEND_ARG_INFO(0, options)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_json_last_error, 0)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_json_last_error_msg, 0)
ZEND_END_ARG_INFO()
/* }}} */
/* {{{ json_functions[] */
static const zend_function_entry json_functions[] = {
PHP_FE(json_encode, arginfo_json_encode)
PHP_FE(json_decode, arginfo_json_decode)
PHP_FE(json_last_error, arginfo_json_last_error)
PHP_FE(json_last_error_msg, arginfo_json_last_error_msg)
PHP_FE_END
};
/* }}} */
/* {{{ JsonSerializable methods */
ZEND_BEGIN_ARG_INFO(json_serialize_arginfo, 0)
/* No arguments */
ZEND_END_ARG_INFO();
static const zend_function_entry json_serializable_interface[] = {
PHP_ABSTRACT_ME(JsonSerializable, jsonSerialize, json_serialize_arginfo)
PHP_FE_END
};
/* }}} */
/* Register constant for options and errors */
#define PHP_JSON_REGISTER_CONSTANT(_name, _value) \
REGISTER_LONG_CONSTANT(_name, _value, CONST_CS | CONST_PERSISTENT);
/* {{{ MINIT */
static PHP_MINIT_FUNCTION(json)
{
zend_class_entry ce;
INIT_CLASS_ENTRY(ce, "JsonSerializable", json_serializable_interface);
php_json_serializable_ce = zend_register_internal_interface(&ce);
INIT_CLASS_ENTRY(ce, "JsonException", NULL);
php_json_exception_ce = zend_register_internal_class_ex(&ce, zend_ce_exception);
/* options for json_encode */
PHP_JSON_REGISTER_CONSTANT("JSON_HEX_TAG", PHP_JSON_HEX_TAG);
PHP_JSON_REGISTER_CONSTANT("JSON_HEX_AMP", PHP_JSON_HEX_AMP);
PHP_JSON_REGISTER_CONSTANT("JSON_HEX_APOS", PHP_JSON_HEX_APOS);
PHP_JSON_REGISTER_CONSTANT("JSON_HEX_QUOT", PHP_JSON_HEX_QUOT);
PHP_JSON_REGISTER_CONSTANT("JSON_FORCE_OBJECT", PHP_JSON_FORCE_OBJECT);
PHP_JSON_REGISTER_CONSTANT("JSON_NUMERIC_CHECK", PHP_JSON_NUMERIC_CHECK);
PHP_JSON_REGISTER_CONSTANT("JSON_UNESCAPED_SLASHES", PHP_JSON_UNESCAPED_SLASHES);
PHP_JSON_REGISTER_CONSTANT("JSON_PRETTY_PRINT", PHP_JSON_PRETTY_PRINT);
PHP_JSON_REGISTER_CONSTANT("JSON_UNESCAPED_UNICODE", PHP_JSON_UNESCAPED_UNICODE);
PHP_JSON_REGISTER_CONSTANT("JSON_PARTIAL_OUTPUT_ON_ERROR", PHP_JSON_PARTIAL_OUTPUT_ON_ERROR);
PHP_JSON_REGISTER_CONSTANT("JSON_PRESERVE_ZERO_FRACTION", PHP_JSON_PRESERVE_ZERO_FRACTION);
PHP_JSON_REGISTER_CONSTANT("JSON_UNESCAPED_LINE_TERMINATORS", PHP_JSON_UNESCAPED_LINE_TERMINATORS);
/* options for json_decode */
PHP_JSON_REGISTER_CONSTANT("JSON_OBJECT_AS_ARRAY", PHP_JSON_OBJECT_AS_ARRAY);
PHP_JSON_REGISTER_CONSTANT("JSON_BIGINT_AS_STRING", PHP_JSON_BIGINT_AS_STRING);
/* common options for json_decode and json_encode */
PHP_JSON_REGISTER_CONSTANT("JSON_INVALID_UTF8_IGNORE", PHP_JSON_INVALID_UTF8_IGNORE);
PHP_JSON_REGISTER_CONSTANT("JSON_INVALID_UTF8_SUBSTITUTE", PHP_JSON_INVALID_UTF8_SUBSTITUTE);
PHP_JSON_REGISTER_CONSTANT("JSON_THROW_ON_ERROR", PHP_JSON_THROW_ON_ERROR);
/* json error constants */
PHP_JSON_REGISTER_CONSTANT("JSON_ERROR_NONE", PHP_JSON_ERROR_NONE);
PHP_JSON_REGISTER_CONSTANT("JSON_ERROR_DEPTH", PHP_JSON_ERROR_DEPTH);
PHP_JSON_REGISTER_CONSTANT("JSON_ERROR_STATE_MISMATCH", PHP_JSON_ERROR_STATE_MISMATCH);
PHP_JSON_REGISTER_CONSTANT("JSON_ERROR_CTRL_CHAR", PHP_JSON_ERROR_CTRL_CHAR);
PHP_JSON_REGISTER_CONSTANT("JSON_ERROR_SYNTAX", PHP_JSON_ERROR_SYNTAX);
PHP_JSON_REGISTER_CONSTANT("JSON_ERROR_UTF8", PHP_JSON_ERROR_UTF8);
PHP_JSON_REGISTER_CONSTANT("JSON_ERROR_RECURSION", PHP_JSON_ERROR_RECURSION);
PHP_JSON_REGISTER_CONSTANT("JSON_ERROR_INF_OR_NAN", PHP_JSON_ERROR_INF_OR_NAN);
PHP_JSON_REGISTER_CONSTANT("JSON_ERROR_UNSUPPORTED_TYPE", PHP_JSON_ERROR_UNSUPPORTED_TYPE);
PHP_JSON_REGISTER_CONSTANT("JSON_ERROR_INVALID_PROPERTY_NAME", PHP_JSON_ERROR_INVALID_PROPERTY_NAME);
PHP_JSON_REGISTER_CONSTANT("JSON_ERROR_UTF16", PHP_JSON_ERROR_UTF16);
return SUCCESS;
}
/* }}} */
/* {{{ PHP_GINIT_FUNCTION
*/
static PHP_GINIT_FUNCTION(json)
{
#if defined(COMPILE_DL_JSON) && defined(ZTS)
ZEND_TSRMLS_CACHE_UPDATE();
#endif
json_globals->encoder_depth = 0;
json_globals->error_code = 0;
json_globals->encode_max_depth = PHP_JSON_PARSER_DEFAULT_DEPTH;
}
/* }}} */
/* {{{ json_module_entry
*/
zend_module_entry json_module_entry = {
STANDARD_MODULE_HEADER,
"json",
json_functions,
PHP_MINIT(json),
NULL,
NULL,
NULL,
PHP_MINFO(json),
PHP_JSON_VERSION,
PHP_MODULE_GLOBALS(json),
PHP_GINIT(json),
NULL,
NULL,
STANDARD_MODULE_PROPERTIES_EX
};
/* }}} */
#ifdef COMPILE_DL_JSON
#ifdef ZTS
ZEND_TSRMLS_CACHE_DEFINE()
#endif
ZEND_GET_MODULE(json)
#endif
/* {{{ PHP_MINFO_FUNCTION
*/
static PHP_MINFO_FUNCTION(json)
{
php_info_print_table_start();
php_info_print_table_row(2, "json support", "enabled");
php_info_print_table_row(2, "json version", PHP_JSON_VERSION);
php_info_print_table_end();
}
/* }}} */
PHP_JSON_API int php_json_encode_ex(smart_str *buf, zval *val, int options, zend_long depth) /* {{{ */
{
php_json_encoder encoder;
int return_code;
php_json_encode_init(&encoder);
encoder.max_depth = depth;
return_code = php_json_encode_zval(buf, val, options, &encoder);
JSON_G(error_code) = encoder.error_code;
return return_code;
}
/* }}} */
PHP_JSON_API int php_json_encode(smart_str *buf, zval *val, int options) /* {{{ */
{
return php_json_encode_ex(buf, val, options, JSON_G(encode_max_depth));
}
/* }}} */
static const char *php_json_get_error_msg(php_json_error_code error_code) /* {{{ */
{
switch(error_code) {
case PHP_JSON_ERROR_NONE:
return "No error";
case PHP_JSON_ERROR_DEPTH:
return "Maximum stack depth exceeded";
case PHP_JSON_ERROR_STATE_MISMATCH:
return "State mismatch (invalid or malformed JSON)";
case PHP_JSON_ERROR_CTRL_CHAR:
return "Control character error, possibly incorrectly encoded";
case PHP_JSON_ERROR_SYNTAX:
return "Syntax error";
case PHP_JSON_ERROR_UTF8:
return "Malformed UTF-8 characters, possibly incorrectly encoded";
case PHP_JSON_ERROR_RECURSION:
return "Recursion detected";
case PHP_JSON_ERROR_INF_OR_NAN:
return "Inf and NaN cannot be JSON encoded";
case PHP_JSON_ERROR_UNSUPPORTED_TYPE:
return "Type is not supported";
case PHP_JSON_ERROR_INVALID_PROPERTY_NAME:
return "The decoded property name is invalid";
case PHP_JSON_ERROR_UTF16:
return "Single unpaired UTF-16 surrogate in unicode escape";
default:
return "Unknown error";
}
}
/* }}} */
PHP_JSON_API int php_json_decode_ex(zval *return_value, char *str, size_t str_len, zend_long options, zend_long depth) /* {{{ */
{
php_json_parser parser;
php_json_parser_init(&parser, return_value, str, str_len, (int)options, (int)depth);
if (php_json_yyparse(&parser)) {
php_json_error_code error_code = php_json_parser_error_code(&parser);
if (!(options & PHP_JSON_THROW_ON_ERROR)) {
JSON_G(error_code) = error_code;
} else {
zend_throw_exception(php_json_exception_ce, php_json_get_error_msg(error_code), error_code);
}
RETVAL_NULL();
return FAILURE;
}
return SUCCESS;
}
/* }}} */
/* {{{ proto string json_encode(mixed data [, int options[, int depth]])
Returns the JSON representation of a value */
static PHP_FUNCTION(json_encode)
{
zval *parameter;
php_json_encoder encoder;
smart_str buf = {0};
zend_long options = 0;
zend_long depth = PHP_JSON_PARSER_DEFAULT_DEPTH;
ZEND_PARSE_PARAMETERS_START(1, 3)
Z_PARAM_ZVAL(parameter)
Z_PARAM_OPTIONAL
Z_PARAM_LONG(options)
Z_PARAM_LONG(depth)
ZEND_PARSE_PARAMETERS_END();
php_json_encode_init(&encoder);
encoder.max_depth = (int)depth;
php_json_encode_zval(&buf, parameter, (int)options, &encoder);
if (!(options & PHP_JSON_THROW_ON_ERROR) || (options & PHP_JSON_PARTIAL_OUTPUT_ON_ERROR)) {
JSON_G(error_code) = encoder.error_code;
if (encoder.error_code != PHP_JSON_ERROR_NONE && !(options & PHP_JSON_PARTIAL_OUTPUT_ON_ERROR)) {
smart_str_free(&buf);
RETURN_FALSE;
}
} else {
if (encoder.error_code != PHP_JSON_ERROR_NONE) {
smart_str_free(&buf);
zend_throw_exception(php_json_exception_ce, php_json_get_error_msg(encoder.error_code), encoder.error_code);
RETURN_FALSE;
}
}
smart_str_0(&buf); /* copy? */
if (buf.s) {
RETURN_NEW_STR(buf.s);
}
RETURN_EMPTY_STRING();
}
/* }}} */
/* {{{ proto mixed json_decode(string json [, bool assoc [, int depth]])
Decodes the JSON representation into a PHP value */
static PHP_FUNCTION(json_decode)
{
char *str;
size_t str_len;
zend_bool assoc = 0; /* return JS objects as PHP objects by default */
zend_bool assoc_null = 1;
zend_long depth = PHP_JSON_PARSER_DEFAULT_DEPTH;
zend_long options = 0;
ZEND_PARSE_PARAMETERS_START(1, 4)
Z_PARAM_STRING(str, str_len)
Z_PARAM_OPTIONAL
Z_PARAM_BOOL_EX(assoc, assoc_null, 1, 0)
Z_PARAM_LONG(depth)
Z_PARAM_LONG(options)
ZEND_PARSE_PARAMETERS_END();
if (!(options & PHP_JSON_THROW_ON_ERROR)) {
JSON_G(error_code) = PHP_JSON_ERROR_NONE;
}
if (!str_len) {
if (!(options & PHP_JSON_THROW_ON_ERROR)) {
JSON_G(error_code) = PHP_JSON_ERROR_SYNTAX;
} else {
zend_throw_exception(php_json_exception_ce, php_json_get_error_msg(PHP_JSON_ERROR_SYNTAX), PHP_JSON_ERROR_SYNTAX);
}
RETURN_NULL();
}
if (depth <= 0) {
php_error_docref(NULL, E_WARNING, "Depth must be greater than zero");
RETURN_NULL();
}
if (depth > INT_MAX) {
php_error_docref(NULL, E_WARNING, "Depth must be lower than %d", INT_MAX);
RETURN_NULL();
}
/* For BC reasons, the bool $assoc overrides the long $options bit for PHP_JSON_OBJECT_AS_ARRAY */
if (!assoc_null) {
if (assoc) {
options |= PHP_JSON_OBJECT_AS_ARRAY;
} else {
options &= ~PHP_JSON_OBJECT_AS_ARRAY;
}
}
php_json_decode_ex(return_value, str, str_len, options, depth);
}
/* }}} */
/* {{{ proto int json_last_error()
Returns the error code of the last json_encode() or json_decode() call. */
static PHP_FUNCTION(json_last_error)
{
if (zend_parse_parameters_none() == FAILURE) {
return;
}
RETURN_LONG(JSON_G(error_code));
}
/* }}} */
/* {{{ proto string json_last_error_msg()
Returns the error string of the last json_encode() or json_decode() call. */
static PHP_FUNCTION(json_last_error_msg)
{
if (zend_parse_parameters_none() == FAILURE) {
return;
}
RETURN_STRING(php_json_get_error_msg(JSON_G(error_code)));
}
/* }}} */
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
* vim600: noet sw=4 ts=4 fdm=marker
* vim<600: noet sw=4 ts=4
*/