acymailing / back / Helpers / EncodingHelper.php

EncodingHelper.php in AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress 10.10.2, at back/Helpers/EncodingHelper.php

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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(string $data, string $inputCharset, string $outputCharset): string
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_errorHandlerEncoding');
56	$encodedData = iconv($inputCharset, $outputCharset.'//IGNORE', $data);
57	restore_error_handler();
58	if (!empty($encodedData) && !acym_errorHandlerEncoding(-1)) {
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 $data;
76	}
77
78	public function detectEncoding(string &$content): string
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(string $name, string $selected): void
105	{
106	echo acym_select(
107	[
108	'binary' => 'Binary',
109	'quoted' => 'Quoted-printable',
110	'7bit' => '7 Bit',
111	'8bit' => '8 Bit',
112	'base64' => 'Base 64',
113	],
114	$name,
115	$selected,
116	[
117	'class' => 'acym__select',
118	'acym-data-infinite' => '',
119	'style' => 'max-width: 200px;',
120	],
121	'',
122	'',
123	'config_encoding'
124	);
125	}
126
127	public function charsetField(string $name, string $selected, array $attribs = []): string
128	{
129	$charsetType = new CharsetType();
130
131	return acym_select($charsetType->charsets, $name, $selected, $attribs, '', '');
132	}
133	}
134
135	function acym_errorHandlerEncoding(int $errno, string $errstr = ''): bool
136	{
137	static $error = false;
138	if ($errno === -1) {
139	$currentError = $error;
140	$error = false;
141
142	return $currentError;
143	}
144	$error = true;
145
146	return true;
147	}
148