acymailing / back / Helpers / EncodingHelper.php

EncodingHelper.php in AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress 10.0.1, at back/Helpers/EncodingHelper.php

157 lines 4.2 KB

Raw Download Zip

1	<?php
2
3	namespace AcyMailing\Helpers;
4
5	use AcyMailing\Core\AcymObject;
6	use AcyMailing\Types\CharsetType;
7
8	class EncodingHelper extends AcymObject
9	{
10	public function change($data, $inputCharset, $outputCharset)
11	{
12	$inputCharset = strtoupper(trim($inputCharset));
13	$outputCharset = strtoupper(trim($outputCharset));
14
15	$supportedEncodings = [
16	'BIG5',
17	'ISO-8859-1',
18	'ISO-8859-2',
19	'ISO-8859-3',
20	'ISO-8859-4',
21	'ISO-8859-5',
22	'ISO-8859-6',
23	'ISO-8859-7',
24	'ISO-8859-8',
25	'ISO-8859-9',
26	'ISO-8859-10',
27	'ISO-8859-13',
28	'ISO-8859-14',
29	'ISO-8859-15',
30	'ISO-2022-JP',
31	'US-ASCII',
32	'UTF-7',
33	'UTF-8',
34	'UTF-16',
35	'WINDOWS-1251',
36	'WINDOWS-1252',
37	'ARMSCII-8',
38	'ISO-8859-16',
39	];
40	if (!in_array($inputCharset, $supportedEncodings)) {
41	acym_enqueueMessage(acym_translationSprintf('ACYM_ENCODING_NOT_SUPPORTED_X', $inputCharset), 'error');
42	} elseif (!in_array($outputCharset, $supportedEncodings)) {
43	acym_enqueueMessage(acym_translationSprintf('ACYM_ENCODING_NOT_SUPPORTED_X', $outputCharset), 'error');
44	}
45
46	if ($inputCharset == $outputCharset) {
47	return $data;
48	}
49
50	if ($inputCharset === 'UTF-8' && $outputCharset === 'ISO-8859-1') {
51	$data = str_replace(['€', '„', '“'], ['EUR', '"', '"'], $data);
52	}
53
54	if (function_exists('iconv')) {
55	set_error_handler('AcyMailing\Helpers\acym_error_handler_encoding');
56	$encodedData = iconv($inputCharset, $outputCharset.'//IGNORE', $data);
57	restore_error_handler();
58	if (!empty($encodedData) && !acym_errorHandlerEncoding('result')) {
59	return $encodedData;
60	}
61	}
62
63	if (function_exists('mb_convert_encoding')) {
64	return mb_convert_encoding($data, $outputCharset, $inputCharset);
65	}
66
67	if ($inputCharset === 'UTF-8' && $outputCharset === 'ISO-8859-1') {
68	return acym_utf8Decode($data);
69	}
70
71	if ($inputCharset === 'ISO-8859-1' && $outputCharset === 'UTF-8') {
72	return acym_utf8Encode($data);
73	}
74
75	return $data;
76	}
77
78	public function detectEncoding(&$content)
79	{
80	if (!function_exists('mb_check_encoding')) {
81	return '';
82	}
83
84	$toTest = ['UTF-8'];
85
86	$tag = acym_getLanguageTag();
87
88	if ($tag == 'el-GR') {
89	$toTest[] = 'ISO-8859-7';
90	}
91	$toTest[] = 'ISO-8859-1';
92	$toTest[] = 'ISO-8859-2';
93	$toTest[] = 'Windows-1252';
94
95	foreach ($toTest as $oneEncoding) {
96	if (mb_check_encoding($content, $oneEncoding)) {
97	return $oneEncoding;
98	}
99	}
100
101	return '';
102	}
103
104	public function encodingField($name, $selected, $attribs = null)
105	{
106	if ($attribs === null) {
107	$attribs = [
108	'class' => 'acym__select',
109	'acym-data-infinite' => '',
110	];
111	}
112	$attribs['style'] = empty($attribs['style']) ? 'max-width:200px;' : 'max-width:200px;'.$attribs['style'];
113
114	echo acym_select(
115	[
116	'binary' => 'Binary',
117	'quoted' => 'Quoted-printable',
118	'7bit' => '7 Bit',
119	'8bit' => '8 Bit',
120	'base64' => 'Base 64',
121	],
122	$name,
123	$selected,
124	$attribs,
125	'',
126	'',
127	'config_encoding'
128	);
129	}
130
131	public function charsetField($name, $selected, $attribs = null)
132	{
133	$charsetType = new CharsetType();
134
135	return acym_select($charsetType->charsets, $name, $selected, $attribs, '', '');
136	}
137	}
138
139	function acym_errorHandlerEncoding($errno, $errstr = '')
140	{
141	static $error = false;
142	if (is_string($errno) && $errno == 'result') {
143	$currentError = $error;
144	$error = false;
145
146	return $currentError;
147	}
148	$error = true;
149
150	return true;
151	}
152
153	function acym_error_handler_encoding($errno, $errstr = '')
154	{
155	return acym_errorHandlerEncoding($errno, $errstr = '');
156	}
157