1 /*
2 +----------------------------------------------------------------------+
3 | This source file is subject to version 3.01 of the PHP license, |
4 | that is bundled with this package in the file LICENSE, and is |
5 | available through the world-wide-web at the following url: |
6 | https://www.php.net/license/3_01.txt |
7 | If you did not receive a copy of the PHP license and are unable to |
8 | obtain it through the world-wide-web, please send a note to |
9 | license@php.net so we can mail you a copy immediately. |
10 +----------------------------------------------------------------------+
11 | Authors: Scott MacVicar <scottmac@php.net> |
12 +----------------------------------------------------------------------+
13 */
14
15 #ifdef HAVE_CONFIG_H
16 #include "config.h"
17 #endif
18
19 #include "php_intl.h"
20 #include "spoofchecker_class.h"
21
22 /* {{{ Checks if a given text contains any suspicious characters */
PHP_METHOD(Spoofchecker,isSuspicious)23 PHP_METHOD(Spoofchecker, isSuspicious)
24 {
25 int ret;
26 char *text;
27 size_t text_len;
28 zval *error_code = NULL;
29 SPOOFCHECKER_METHOD_INIT_VARS;
30
31 if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS(), "s|z", &text, &text_len, &error_code)) {
32 RETURN_THROWS();
33 }
34
35 SPOOFCHECKER_METHOD_FETCH_OBJECT;
36
37 ret = uspoof_checkUTF8(co->uspoof, text, text_len, NULL, SPOOFCHECKER_ERROR_CODE_P(co));
38
39 if (U_FAILURE(SPOOFCHECKER_ERROR_CODE(co))) {
40 php_error_docref(NULL, E_WARNING, "(%d) %s", SPOOFCHECKER_ERROR_CODE(co), u_errorName(SPOOFCHECKER_ERROR_CODE(co)));
41 RETURN_TRUE;
42 }
43
44 if (error_code) {
45 ZEND_TRY_ASSIGN_REF_LONG(error_code, ret);
46 }
47 RETVAL_BOOL(ret != 0);
48 }
49 /* }}} */
50
51 /* {{{ Checks if a given text contains any confusable characters */
PHP_METHOD(Spoofchecker,areConfusable)52 PHP_METHOD(Spoofchecker, areConfusable)
53 {
54 int ret;
55 char *s1, *s2;
56 size_t s1_len, s2_len;
57 zval *error_code = NULL;
58 SPOOFCHECKER_METHOD_INIT_VARS;
59
60 if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS(), "ss|z", &s1, &s1_len,
61 &s2, &s2_len, &error_code)) {
62 RETURN_THROWS();
63 }
64
65 SPOOFCHECKER_METHOD_FETCH_OBJECT;
66 if(s1_len > INT32_MAX || s2_len > INT32_MAX) {
67 SPOOFCHECKER_ERROR_CODE(co) = U_BUFFER_OVERFLOW_ERROR;
68 } else {
69 ret = uspoof_areConfusableUTF8(co->uspoof, s1, (int32_t)s1_len, s2, (int32_t)s2_len, SPOOFCHECKER_ERROR_CODE_P(co));
70 }
71 if (U_FAILURE(SPOOFCHECKER_ERROR_CODE(co))) {
72 php_error_docref(NULL, E_WARNING, "(%d) %s", SPOOFCHECKER_ERROR_CODE(co), u_errorName(SPOOFCHECKER_ERROR_CODE(co)));
73 RETURN_TRUE;
74 }
75
76 if (error_code) {
77 ZEND_TRY_ASSIGN_REF_LONG(error_code, ret);
78 }
79 RETVAL_BOOL(ret != 0);
80 }
81 /* }}} */
82
83 /* {{{ Locales to use when running checks */
PHP_METHOD(Spoofchecker,setAllowedLocales)84 PHP_METHOD(Spoofchecker, setAllowedLocales)
85 {
86 char *locales;
87 size_t locales_len;
88 SPOOFCHECKER_METHOD_INIT_VARS;
89
90 if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS(), "s", &locales, &locales_len)) {
91 RETURN_THROWS();
92 }
93
94 SPOOFCHECKER_METHOD_FETCH_OBJECT;
95
96 uspoof_setAllowedLocales(co->uspoof, locales, SPOOFCHECKER_ERROR_CODE_P(co));
97
98 if (U_FAILURE(SPOOFCHECKER_ERROR_CODE(co))) {
99 php_error_docref(NULL, E_WARNING, "(%d) %s", SPOOFCHECKER_ERROR_CODE(co), u_errorName(SPOOFCHECKER_ERROR_CODE(co)));
100 return;
101 }
102 }
103 /* }}} */
104
105 /* {{{ Set the checks to run */
PHP_METHOD(Spoofchecker,setChecks)106 PHP_METHOD(Spoofchecker, setChecks)
107 {
108 zend_long checks;
109 SPOOFCHECKER_METHOD_INIT_VARS;
110
111 if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS(), "l", &checks)) {
112 RETURN_THROWS();
113 }
114
115 SPOOFCHECKER_METHOD_FETCH_OBJECT;
116
117 uspoof_setChecks(co->uspoof, checks, SPOOFCHECKER_ERROR_CODE_P(co));
118
119 if (U_FAILURE(SPOOFCHECKER_ERROR_CODE(co))) {
120 php_error_docref(NULL, E_WARNING, "(%d) %s", SPOOFCHECKER_ERROR_CODE(co), u_errorName(SPOOFCHECKER_ERROR_CODE(co)));
121 }
122 }
123 /* }}} */
124
125 #if U_ICU_VERSION_MAJOR_NUM >= 58
126 /* TODO Document this method on PHP.net */
127 /* {{{ Set the loosest restriction level allowed for strings. */
PHP_METHOD(Spoofchecker,setRestrictionLevel)128 PHP_METHOD(Spoofchecker, setRestrictionLevel)
129 {
130 zend_long level;
131 SPOOFCHECKER_METHOD_INIT_VARS;
132
133 if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS(), "l", &level)) {
134 RETURN_THROWS();
135 }
136
137 SPOOFCHECKER_METHOD_FETCH_OBJECT;
138
139 if (USPOOF_ASCII != level &&
140 USPOOF_SINGLE_SCRIPT_RESTRICTIVE != level &&
141 USPOOF_HIGHLY_RESTRICTIVE != level &&
142 USPOOF_MODERATELY_RESTRICTIVE != level &&
143 USPOOF_MINIMALLY_RESTRICTIVE != level &&
144 USPOOF_UNRESTRICTIVE != level) {
145 zend_argument_value_error(1, "must be one of Spoofchecker::ASCII, Spoofchecker::SINGLE_SCRIPT_RESTRICTIVE, "
146 "Spoofchecker::SINGLE_HIGHLY_RESTRICTIVE, Spoofchecker::SINGLE_MODERATELY_RESTRICTIVE, "
147 "Spoofchecker::SINGLE_MINIMALLY_RESTRICTIVE, or Spoofchecker::UNRESTRICTIVE");
148 RETURN_THROWS();
149 }
150
151 uspoof_setRestrictionLevel(co->uspoof, (URestrictionLevel)level);
152 }
153 /* }}} */
154 #endif
155