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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: |
| 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: Pierre A. Joye <pierre@php.net> |
| Gustavo Lopes <cataphract@php.net> |
+----------------------------------------------------------------------+
*/
/* {{{ includes */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <php.h>
#include <unicode/uidna.h>
#include <unicode/ustring.h>
#include "ext/standard/php_string.h"
#include "intl_error.h"
#include "intl_convert.h"
/* }}} */
enum {
INTL_IDN_VARIANT_UTS46 = 1
};
/* {{{ grapheme_register_constants
* Register API constants
*/
void idn_register_constants( INIT_FUNC_ARGS )
{
/* OPTIONS */
/* Option to prohibit processing of unassigned codepoints in the input and
do not check if the input conforms to STD-3 ASCII rules. */
REGISTER_LONG_CONSTANT("IDNA_DEFAULT", UIDNA_DEFAULT, CONST_CS | CONST_PERSISTENT);
/* Option to allow processing of unassigned codepoints in the input */
REGISTER_LONG_CONSTANT("IDNA_ALLOW_UNASSIGNED", UIDNA_ALLOW_UNASSIGNED, CONST_CS | CONST_PERSISTENT);
/* Option to check if input conforms to STD-3 ASCII rules */
REGISTER_LONG_CONSTANT("IDNA_USE_STD3_RULES", UIDNA_USE_STD3_RULES, CONST_CS | CONST_PERSISTENT);
/* Option to check for whether the input conforms to the BiDi rules.
* Ignored by the IDNA2003 implementation. (IDNA2003 always performs a BiDi check.) */
REGISTER_LONG_CONSTANT("IDNA_CHECK_BIDI", UIDNA_CHECK_BIDI, CONST_CS | CONST_PERSISTENT);
/* Option to check for whether the input conforms to the CONTEXTJ rules.
* Ignored by the IDNA2003 implementation. (The CONTEXTJ check is new in IDNA2008.) */
REGISTER_LONG_CONSTANT("IDNA_CHECK_CONTEXTJ", UIDNA_CHECK_CONTEXTJ, CONST_CS | CONST_PERSISTENT);
/* Option for nontransitional processing in ToASCII().
* By default, ToASCII() uses transitional processing.
* Ignored by the IDNA2003 implementation. */
REGISTER_LONG_CONSTANT("IDNA_NONTRANSITIONAL_TO_ASCII", UIDNA_NONTRANSITIONAL_TO_ASCII, CONST_CS | CONST_PERSISTENT);
/* Option for nontransitional processing in ToUnicode().
* By default, ToUnicode() uses transitional processing.
* Ignored by the IDNA2003 implementation. */
REGISTER_LONG_CONSTANT("IDNA_NONTRANSITIONAL_TO_UNICODE", UIDNA_NONTRANSITIONAL_TO_UNICODE, CONST_CS | CONST_PERSISTENT);
/* VARIANTS */
REGISTER_LONG_CONSTANT("INTL_IDNA_VARIANT_UTS46", INTL_IDN_VARIANT_UTS46, CONST_CS | CONST_PERSISTENT);
/* PINFO ERROR CODES */
REGISTER_LONG_CONSTANT("IDNA_ERROR_EMPTY_LABEL", UIDNA_ERROR_EMPTY_LABEL, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("IDNA_ERROR_LABEL_TOO_LONG", UIDNA_ERROR_LABEL_TOO_LONG, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("IDNA_ERROR_DOMAIN_NAME_TOO_LONG", UIDNA_ERROR_DOMAIN_NAME_TOO_LONG, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("IDNA_ERROR_LEADING_HYPHEN", UIDNA_ERROR_LEADING_HYPHEN, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("IDNA_ERROR_TRAILING_HYPHEN", UIDNA_ERROR_TRAILING_HYPHEN, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("IDNA_ERROR_HYPHEN_3_4", UIDNA_ERROR_HYPHEN_3_4, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("IDNA_ERROR_LEADING_COMBINING_MARK", UIDNA_ERROR_LEADING_COMBINING_MARK, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("IDNA_ERROR_DISALLOWED", UIDNA_ERROR_DISALLOWED, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("IDNA_ERROR_PUNYCODE", UIDNA_ERROR_PUNYCODE, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("IDNA_ERROR_LABEL_HAS_DOT", UIDNA_ERROR_LABEL_HAS_DOT, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("IDNA_ERROR_INVALID_ACE_LABEL", UIDNA_ERROR_INVALID_ACE_LABEL, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("IDNA_ERROR_BIDI", UIDNA_ERROR_BIDI, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("IDNA_ERROR_CONTEXTJ", UIDNA_ERROR_CONTEXTJ, CONST_CS | CONST_PERSISTENT);
}
/* }}} */
enum {
INTL_IDN_TO_ASCII = 0,
INTL_IDN_TO_UTF8
};
/* like INTL_CHECK_STATUS, but as a function and varying the name of the func */
static int php_intl_idn_check_status(UErrorCode err, const char *msg)
{
intl_error_set_code(NULL, err);
if (U_FAILURE(err)) {
char *buff;
spprintf(&buff, 0, "%s: %s",
get_active_function_name(),
msg);
intl_error_set_custom_msg(NULL, buff, 1);
efree(buff);
return FAILURE;
}
return SUCCESS;
}
static inline void php_intl_bad_args(const char *msg)
{
php_intl_idn_check_status(U_ILLEGAL_ARGUMENT_ERROR, msg);
}
static void php_intl_idn_to_46(INTERNAL_FUNCTION_PARAMETERS,
const zend_string *domain, uint32_t option, int mode, zval *idna_info)
{
UErrorCode status = U_ZERO_ERROR;
UIDNA *uts46;
int32_t len;
zend_string *buffer;
UIDNAInfo info = UIDNA_INFO_INITIALIZER;
uts46 = uidna_openUTS46(option, &status);
if (php_intl_idn_check_status(status, "failed to open UIDNA instance") == FAILURE) {
RETURN_FALSE;
}
if (mode == INTL_IDN_TO_ASCII) {
const int32_t buffer_capac = 255;
buffer = zend_string_alloc(buffer_capac, 0);
len = uidna_nameToASCII_UTF8(uts46, ZSTR_VAL(domain), ZSTR_LEN(domain),
ZSTR_VAL(buffer), buffer_capac, &info, &status);
if (len >= buffer_capac || php_intl_idn_check_status(status, "failed to convert name") == FAILURE) {
uidna_close(uts46);
zend_string_efree(buffer);
RETURN_FALSE;
}
} else {
const int32_t buffer_capac = 252*4;
buffer = zend_string_alloc(buffer_capac, 0);
len = uidna_nameToUnicodeUTF8(uts46, ZSTR_VAL(domain), ZSTR_LEN(domain),
ZSTR_VAL(buffer), buffer_capac, &info, &status);
if (len >= buffer_capac || php_intl_idn_check_status(status, "failed to convert name") == FAILURE) {
uidna_close(uts46);
zend_string_efree(buffer);
RETURN_FALSE;
}
}
ZSTR_VAL(buffer)[len] = '\0';
ZSTR_LEN(buffer) = len;
if (info.errors == 0) {
RETVAL_STR_COPY(buffer);
} else {
RETVAL_FALSE;
}
if (idna_info) {
add_assoc_str_ex(idna_info, "result", sizeof("result")-1, zend_string_copy(buffer));
add_assoc_bool_ex(idna_info, "isTransitionalDifferent",
sizeof("isTransitionalDifferent")-1, info.isTransitionalDifferent);
add_assoc_long_ex(idna_info, "errors", sizeof("errors")-1, (zend_long)info.errors);
}
zend_string_release(buffer);
uidna_close(uts46);
}
static void php_intl_idn_handoff(INTERNAL_FUNCTION_PARAMETERS, int mode)
{
zend_string *domain;
zend_long option = 0,
variant = INTL_IDN_VARIANT_UTS46;
zval *idna_info = NULL;
intl_error_reset(NULL);
if (zend_parse_parameters(ZEND_NUM_ARGS(), "S|llz",
&domain, &option, &variant, &idna_info) == FAILURE) {
RETURN_NULL(); /* don't set FALSE because that's not the way it was before... */
}
if (variant != INTL_IDN_VARIANT_UTS46) {
php_intl_bad_args("invalid variant, must be INTL_IDNA_VARIANT_UTS46");
RETURN_FALSE;
}
if (ZSTR_LEN(domain) < 1) {
php_intl_bad_args("empty domain name");
RETURN_FALSE;
}
if (ZSTR_LEN(domain) > INT32_MAX - 1) {
php_intl_bad_args("domain name too large");
RETURN_FALSE;
}
/* don't check options; it wasn't checked before */
if (idna_info != NULL) {
idna_info = zend_try_array_init(idna_info);
if (!idna_info) {
return;
}
}
php_intl_idn_to_46(INTERNAL_FUNCTION_PARAM_PASSTHRU, domain, (uint32_t)option, mode, idna_info);
}
/* {{{ proto string idn_to_ascii(string domain[, int options[, int variant[, array &idna_info]]])
Converts an Unicode domain to ASCII representation, as defined in the IDNA RFC */
PHP_FUNCTION(idn_to_ascii)
{
php_intl_idn_handoff(INTERNAL_FUNCTION_PARAM_PASSTHRU, INTL_IDN_TO_ASCII);
}
/* }}} */
/* {{{ proto string idn_to_utf8(string domain[, int options[, int variant[, array &idna_info]]])
Converts an ASCII representation of the domain to Unicode (UTF-8), as defined in the IDNA RFC */
PHP_FUNCTION(idn_to_utf8)
{
php_intl_idn_handoff(INTERNAL_FUNCTION_PARAM_PASSTHRU, INTL_IDN_TO_UTF8);
}
/* }}} */
|
