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352 lines
12 KiB
C
352 lines
12 KiB
C
/*
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+----------------------------------------------------------------------+
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| PHP Version 5 |
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+----------------------------------------------------------------------+
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| Copyright (c) 2009 The PHP Group |
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+----------------------------------------------------------------------+
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| This source file is subject to version 3.01 of the PHP license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available through the world-wide-web at the following url: |
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| http://www.php.net/license/3_01.txt |
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| If you did not receive a copy of the PHP license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@php.net so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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| Author: Pierre A. Joye <pierre@php.net> |
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| Gustavo Lopes <cataphract@php.net> |
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+----------------------------------------------------------------------+
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*/
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/* $Id$ */
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/* {{{ includes */
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <php.h>
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#include <unicode/uidna.h>
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#include <unicode/ustring.h>
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#include "ext/standard/php_string.h"
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#include "intl_error.h"
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#include "intl_convert.h"
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/* }}} */
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#ifdef UIDNA_INFO_INITIALIZER
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#define HAVE_46_API 1 /* has UTS#46 API (introduced in ICU 4.6) */
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#endif
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enum {
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INTL_IDN_VARIANT_2003 = 0,
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INTL_IDN_VARIANT_UTS46
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};
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/* {{{ grapheme_register_constants
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* Register API constants
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*/
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void idn_register_constants( INIT_FUNC_ARGS )
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{
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/* OPTIONS */
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/* Option to prohibit processing of unassigned codepoints in the input and
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do not check if the input conforms to STD-3 ASCII rules. */
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REGISTER_LONG_CONSTANT("IDNA_DEFAULT", UIDNA_DEFAULT, CONST_CS | CONST_PERSISTENT);
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/* Option to allow processing of unassigned codepoints in the input */
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REGISTER_LONG_CONSTANT("IDNA_ALLOW_UNASSIGNED", UIDNA_ALLOW_UNASSIGNED, CONST_CS | CONST_PERSISTENT);
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/* Option to check if input conforms to STD-3 ASCII rules */
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REGISTER_LONG_CONSTANT("IDNA_USE_STD3_RULES", UIDNA_USE_STD3_RULES, CONST_CS | CONST_PERSISTENT);
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#ifdef HAVE_46_API
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/* Option to check for whether the input conforms to the BiDi rules.
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* Ignored by the IDNA2003 implementation. (IDNA2003 always performs a BiDi check.) */
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REGISTER_LONG_CONSTANT("IDNA_CHECK_BIDI", UIDNA_CHECK_BIDI, CONST_CS | CONST_PERSISTENT);
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/* Option to check for whether the input conforms to the CONTEXTJ rules.
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* Ignored by the IDNA2003 implementation. (The CONTEXTJ check is new in IDNA2008.) */
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REGISTER_LONG_CONSTANT("IDNA_CHECK_CONTEXTJ", UIDNA_CHECK_CONTEXTJ, CONST_CS | CONST_PERSISTENT);
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/* Option for nontransitional processing in ToASCII().
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* By default, ToASCII() uses transitional processing.
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* Ignored by the IDNA2003 implementation. */
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REGISTER_LONG_CONSTANT("IDNA_NONTRANSITIONAL_TO_ASCII", UIDNA_NONTRANSITIONAL_TO_ASCII, CONST_CS | CONST_PERSISTENT);
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/* Option for nontransitional processing in ToUnicode().
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* By default, ToUnicode() uses transitional processing.
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* Ignored by the IDNA2003 implementation. */
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REGISTER_LONG_CONSTANT("IDNA_NONTRANSITIONAL_TO_UNICODE", UIDNA_NONTRANSITIONAL_TO_UNICODE, CONST_CS | CONST_PERSISTENT);
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#endif
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/* VARIANTS */
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REGISTER_LONG_CONSTANT("INTL_IDNA_VARIANT_2003", INTL_IDN_VARIANT_2003, CONST_CS | CONST_PERSISTENT);
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#ifdef HAVE_46_API
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REGISTER_LONG_CONSTANT("INTL_IDNA_VARIANT_UTS46", INTL_IDN_VARIANT_UTS46, CONST_CS | CONST_PERSISTENT);
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#endif
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#ifdef HAVE_46_API
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/* PINFO ERROR CODES */
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REGISTER_LONG_CONSTANT("IDNA_ERROR_EMPTY_LABEL", UIDNA_ERROR_EMPTY_LABEL, CONST_CS | CONST_PERSISTENT);
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REGISTER_LONG_CONSTANT("IDNA_ERROR_LABEL_TOO_LONG", UIDNA_ERROR_LABEL_TOO_LONG, CONST_CS | CONST_PERSISTENT);
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REGISTER_LONG_CONSTANT("IDNA_ERROR_DOMAIN_NAME_TOO_LONG", UIDNA_ERROR_DOMAIN_NAME_TOO_LONG, CONST_CS | CONST_PERSISTENT);
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REGISTER_LONG_CONSTANT("IDNA_ERROR_LEADING_HYPHEN", UIDNA_ERROR_LEADING_HYPHEN, CONST_CS | CONST_PERSISTENT);
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REGISTER_LONG_CONSTANT("IDNA_ERROR_TRAILING_HYPHEN", UIDNA_ERROR_TRAILING_HYPHEN, CONST_CS | CONST_PERSISTENT);
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REGISTER_LONG_CONSTANT("IDNA_ERROR_HYPHEN_3_4", UIDNA_ERROR_HYPHEN_3_4, CONST_CS | CONST_PERSISTENT);
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REGISTER_LONG_CONSTANT("IDNA_ERROR_LEADING_COMBINING_MARK", UIDNA_ERROR_LEADING_COMBINING_MARK, CONST_CS | CONST_PERSISTENT);
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REGISTER_LONG_CONSTANT("IDNA_ERROR_DISALLOWED", UIDNA_ERROR_DISALLOWED, CONST_CS | CONST_PERSISTENT);
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REGISTER_LONG_CONSTANT("IDNA_ERROR_PUNYCODE", UIDNA_ERROR_PUNYCODE, CONST_CS | CONST_PERSISTENT);
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REGISTER_LONG_CONSTANT("IDNA_ERROR_LABEL_HAS_DOT", UIDNA_ERROR_LABEL_HAS_DOT, CONST_CS | CONST_PERSISTENT);
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REGISTER_LONG_CONSTANT("IDNA_ERROR_INVALID_ACE_LABEL", UIDNA_ERROR_INVALID_ACE_LABEL, CONST_CS | CONST_PERSISTENT);
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REGISTER_LONG_CONSTANT("IDNA_ERROR_BIDI", UIDNA_ERROR_BIDI, CONST_CS | CONST_PERSISTENT);
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REGISTER_LONG_CONSTANT("IDNA_ERROR_CONTEXTJ", UIDNA_ERROR_CONTEXTJ, CONST_CS | CONST_PERSISTENT);
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#endif
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}
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/* }}} */
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enum {
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INTL_IDN_TO_ASCII = 0,
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INTL_IDN_TO_UTF8
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};
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/* like INTL_CHECK_STATUS, but as a function and varying the name of the func */
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static int php_intl_idn_check_status(UErrorCode err, const char *msg, int mode TSRMLS_DC)
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{
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intl_error_set_code(NULL, err TSRMLS_CC);
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if (U_FAILURE(err)) {
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char *buff;
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spprintf(&buff, 0, "%s: %s",
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mode == INTL_IDN_TO_ASCII ? "idn_to_ascii" : "idn_to_utf8",
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msg);
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intl_error_set_custom_msg(NULL, buff, 1 TSRMLS_CC);
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efree(buff);
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return FAILURE;
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}
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return SUCCESS;
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}
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static inline void php_intl_bad_args(const char *msg, int mode TSRMLS_DC)
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{
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php_intl_idn_check_status(U_ILLEGAL_ARGUMENT_ERROR, msg, mode TSRMLS_CC);
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}
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#ifdef HAVE_46_API
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static void php_intl_idn_to_46(INTERNAL_FUNCTION_PARAMETERS,
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const char *domain, int domain_len, uint32_t option, int mode, zval *idna_info)
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{
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UErrorCode status = U_ZERO_ERROR;
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UIDNA *uts46;
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int32_t len;
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int32_t buffer_capac = 255; /* no domain name may exceed this */
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char *buffer = emalloc(buffer_capac);
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UIDNAInfo info = UIDNA_INFO_INITIALIZER;
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int buffer_used = 0;
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uts46 = uidna_openUTS46(option, &status);
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if (php_intl_idn_check_status(status, "failed to open UIDNA instance",
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mode TSRMLS_CC) == FAILURE) {
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efree(buffer);
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RETURN_FALSE;
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}
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if (mode == INTL_IDN_TO_ASCII) {
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len = uidna_nameToASCII_UTF8(uts46, domain, (int32_t)domain_len,
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buffer, buffer_capac, &info, &status);
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} else {
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len = uidna_nameToUnicodeUTF8(uts46, domain, (int32_t)domain_len,
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buffer, buffer_capac, &info, &status);
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}
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if (php_intl_idn_check_status(status, "failed to convert name",
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mode TSRMLS_CC) == FAILURE) {
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uidna_close(uts46);
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efree(buffer);
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RETURN_FALSE;
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}
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if (len >= 255) {
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php_error_docref(NULL TSRMLS_CC, E_ERROR, "ICU returned an unexpected length");
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}
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buffer[len] = '\0';
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if (info.errors == 0) {
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RETVAL_STRINGL(buffer, len, 0);
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buffer_used = 1;
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} else {
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RETVAL_FALSE;
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}
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if (idna_info) {
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if (buffer_used) { /* used in return_value then */
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zval_addref_p(return_value);
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add_assoc_zval_ex(idna_info, "result", sizeof("result"), return_value);
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} else {
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zval *zv;
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ALLOC_INIT_ZVAL(zv);
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ZVAL_STRINGL(zv, buffer, len, 0);
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buffer_used = 1;
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add_assoc_zval_ex(idna_info, "result", sizeof("result"), zv);
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}
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add_assoc_bool_ex(idna_info, "isTransitionalDifferent",
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sizeof("isTransitionalDifferent"), info.isTransitionalDifferent);
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add_assoc_long_ex(idna_info, "errors", sizeof("errors"), (long)info.errors);
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}
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if (!buffer_used) {
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efree(buffer);
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}
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uidna_close(uts46);
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}
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#endif
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static void php_intl_idn_to(INTERNAL_FUNCTION_PARAMETERS,
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const char *domain, int domain_len, uint32_t option, int mode)
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{
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UChar* ustring = NULL;
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int ustring_len = 0;
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UErrorCode status;
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char *converted_utf8;
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int32_t converted_utf8_len;
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UChar converted[MAXPATHLEN];
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int32_t converted_ret_len;
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/* convert the string to UTF-16. */
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status = U_ZERO_ERROR;
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intl_convert_utf8_to_utf16(&ustring, &ustring_len, domain, domain_len, &status);
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if (U_FAILURE(status)) {
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intl_error_set_code(NULL, status TSRMLS_CC);
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/* Set error messages. */
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intl_error_set_custom_msg( NULL, "Error converting input string to UTF-16", 0 TSRMLS_CC );
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if (ustring) {
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efree(ustring);
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}
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RETURN_FALSE;
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} else {
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UParseError parse_error;
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status = U_ZERO_ERROR;
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if (mode == INTL_IDN_TO_ASCII) {
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converted_ret_len = uidna_IDNToASCII(ustring, ustring_len, converted, MAXPATHLEN, (int32_t)option, &parse_error, &status);
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} else {
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converted_ret_len = uidna_IDNToUnicode(ustring, ustring_len, converted, MAXPATHLEN, (int32_t)option, &parse_error, &status);
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}
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efree(ustring);
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if (U_FAILURE(status)) {
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intl_error_set( NULL, status, "idn_to_ascii: cannot convert to ASCII", 0 TSRMLS_CC );
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RETURN_FALSE;
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}
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status = U_ZERO_ERROR;
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intl_convert_utf16_to_utf8(&converted_utf8, &converted_utf8_len, converted, converted_ret_len, &status);
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if (U_FAILURE(status)) {
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/* Set global error code. */
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intl_error_set_code(NULL, status TSRMLS_CC);
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/* Set error messages. */
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intl_error_set_custom_msg( NULL, "Error converting output string to UTF-8", 0 TSRMLS_CC );
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efree(converted_utf8);
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RETURN_FALSE;
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}
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}
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/* return the allocated string, not a duplicate */
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RETURN_STRINGL(((char *)converted_utf8), converted_utf8_len, 0);
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}
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static void php_intl_idn_handoff(INTERNAL_FUNCTION_PARAMETERS, int mode)
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{
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char *domain;
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int domain_len;
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long option = 0,
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variant = INTL_IDN_VARIANT_2003;
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zval *idna_info = NULL;
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intl_error_reset(NULL TSRMLS_CC);
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if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|llz",
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&domain, &domain_len, &option, &variant, &idna_info) == FAILURE) {
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php_intl_bad_args("bad arguments", mode TSRMLS_CC);
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RETURN_NULL(); /* don't set FALSE because that's not the way it was before... */
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}
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#ifdef HAVE_46_API
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if (variant != INTL_IDN_VARIANT_2003 && variant != INTL_IDN_VARIANT_UTS46) {
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php_intl_bad_args("invalid variant, must be one of {"
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"INTL_IDNA_VARIANT_2003, INTL_IDNA_VARIANT_UTS46}", mode TSRMLS_CC);
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RETURN_FALSE;
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}
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#else
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if (variant != INTL_IDN_VARIANT_2003) {
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php_intl_bad_args("invalid variant, PHP was compiled against "
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"an old version of ICU and only supports INTL_IDN_VARIANT_2003",
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mode TSRMLS_CC);
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RETURN_FALSE;
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}
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#endif
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if (domain_len < 1) {
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php_intl_bad_args("empty domain name", mode TSRMLS_CC);
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RETURN_FALSE;
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}
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if (domain_len > INT32_MAX - 1) {
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php_intl_bad_args("domain name too large", mode TSRMLS_CC);
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RETURN_FALSE;
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}
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/* don't check options; it wasn't checked before */
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if (idna_info != NULL) {
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if (variant == INTL_IDN_VARIANT_2003) {
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php_error_docref0(NULL TSRMLS_CC, E_NOTICE,
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"4 arguments were provided, but INTL_IDNA_VARIANT_2003 only "
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"takes 3 - extra argument ignored");
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} else {
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zval_dtor(idna_info);
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array_init(idna_info);
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}
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}
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if (variant == INTL_IDN_VARIANT_2003) {
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php_intl_idn_to(INTERNAL_FUNCTION_PARAM_PASSTHRU,
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domain, domain_len, (uint32_t)option, mode);
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}
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#ifdef HAVE_46_API
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else {
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php_intl_idn_to_46(INTERNAL_FUNCTION_PARAM_PASSTHRU, domain, domain_len,
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(uint32_t)option, mode, idna_info);
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}
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#endif
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}
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/* {{{ proto int idn_to_ascii(string domain[, int options[, int variant[, array &idna_info]]])
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Converts an Unicode domain to ASCII representation, as defined in the IDNA RFC */
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PHP_FUNCTION(idn_to_ascii)
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{
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php_intl_idn_handoff(INTERNAL_FUNCTION_PARAM_PASSTHRU, INTL_IDN_TO_ASCII);
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}
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/* }}} */
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/* {{{ proto int idn_to_utf8(string domain[, int options[, int variant[, array &idna_info]]])
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Converts an ASCII representation of the domain to Unicode (UTF-8), as defined in the IDNA RFC */
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PHP_FUNCTION(idn_to_utf8)
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{
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php_intl_idn_handoff(INTERNAL_FUNCTION_PARAM_PASSTHRU, INTL_IDN_TO_UTF8);
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}
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/* }}} */
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/*
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* Local variables:
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* tab-width: 4
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* c-basic-offset: 4
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* End:
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* vim600: fdm=marker
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* vim: noet sw=4 ts=4
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*/
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