acymailing / vendor / javanile / php-imap2 / src / BodyStructure.php

BodyStructure.php in AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress 10.1.4, at vendor/javanile/php-imap2/src/BodyStructure.php

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1	<?php
2
3
4	namespace Javanile\Imap2;
5
6	class BodyStructure
7	{
8
9	const TYPETEXT = 0; const TYPEMULTIPART = 1; const TYPEMESSAGE = 2; const TYPEAPPLICATION = 3; const TYPEAUDIO = 4; const TYPEIMAGE = 5; const TYPEVIDEO = 6; const TYPEMODEL = 7; const TYPEOTHER = 8;
10	const ENC7BIT = 0; const ENC8BIT = 1; const ENCBINARY = 2; const ENCBASE64 = 3; const ENCQUOTEDPRINTABLE = 4; const ENCOTHER = 5;
11	protected static $body_types = [
12	self::TYPETEXT => "TEXT",
13	self::TYPEMULTIPART => "MULTIPART",
14	self::TYPEMESSAGE => "MESSAGE",
15	self::TYPEAPPLICATION => "APPLICATION",
16	self::TYPEAUDIO => "AUDIO",
17	self::TYPEIMAGE => "IMAGE",
18	self::TYPEVIDEO => "VIDEO",
19	self::TYPEMODEL => "MODEL",
20	self::TYPEOTHER => "X-UNKNOWN"
21	];
22
23	protected static $body_encodings = [
24	self::ENC7BIT => "7BIT",
25	self::ENC8BIT => "8BIT",
26	self::ENCBINARY => "BINARY",
27	self::ENCBASE64 => "BASE64",
28	self::ENCQUOTEDPRINTABLE => "QUOTED-PRINTABLE",
29	self::ENCOTHER => "X-UNKNOWN"
30	];
31
32	public static function fromMessage($message)
33	{
34	return self::extractBodyStructure($message->bodystructure);
35	}
36
37	protected static function extractBodyStructure($structure)
38	{
39
40	if ( is_null($structure) )
41	return null;
42
43	if ( ! $length = count($structure) )
44	return null;
45
46	$body = (object)[
47	"type" => self::TYPEOTHER,
48	"encoding" => self::ENC7BIT,
49	"ifsubtype" => 0,
50	"subtype" => null,
51	"ifdescription" => 0,
52	"description" => null,
53	"ifid" => 0,
54	"id" => null,
55	"lines" => null,
56	"bytes" => null,
57	"ifdisposition" => 0,
58	"disposition" => null,
59	"ifdparameters" => 0,
60	"dparameters" => null,
61	"ifparameters" => 0,
62	"parameters" => null
63	];
64
65	if ( is_array($structure[0]) ) {
66
67	$body->type = self::TYPEMULTIPART;
68
69	$index = 0;
70	$parts = [];
71
72	while( is_array($structure[$index]) )
73	$parts[] = self::extractBodyStructure( $structure[$index++] );
74
75	if ( $body->subtype = strtoupper($structure[$index++]) )
76	$body->ifsubtype = 1;
77
78	if ( $index < $length ) {
79	if ( count( $body->parameters = self::extractParameters($structure[$index++], []) ) )
80	$body->ifparameters = 1;
81	else
82	$body->parameters = (object)[];
83	}
84
85	if ( $index < $length ) {
86	if ( is_array($disposition = $structure[$index++]) ) {
87	$body->disposition = $disposition[0];
88	$body->ifdisposition = 1;
89
90	if ( count( $body->dparameters = self::extractParameters($disposition[1], []) ) )
91	$body->ifdparameters = 1;
92	else {
93	$body->dparameters = null;
94	}
95	}
96	}
97
98	if ( $index < $length ) {
99	++$index;
100	}
101
102	while( $index < $length ) {
103	++$index;
104	}
105
106	$body->parts = $parts;
107
108	}
109	else {
110
111	if ( ! $length ) return (object)[];
112
113	$body->type = self::TYPEOTHER;
114	$body->encoding = self::ENCOTHER;
115
116	if ( ($type = array_search(strtoupper($structure[0]), self::$body_types)) !== false )
117	$body->type = $type;
118
119	if ( ($encoding = array_search(strtoupper($structure[5]), self::$body_encodings)) !== false )
120	$body->encoding = $encoding;
121
122	if ( $body->subtype = strtoupper($structure[1]) )
123	$body->ifsubtype = 1;
124
125	$body->ifdescription = 0;
126	if ( ! empty($structure[4]) ) {
127	$body->ifdescription = 1;
128	$body->description = $structure[4];
129	}
130
131	$body->ifid = 0;
132	if ( ! empty($structure[3]) ) {
133	$body->ifid = 1;
134	$body->id = $structure[3];
135	}
136
137	$body->bytes = intval($structure[6]);
138
139	$index = 7;
140
141	switch ( $body->type ) {
142
143	case self::TYPEMESSAGE:
144	if ( strcmp($body->subtype, "RFC822") ) break;
145
146	++$index;
147
148	$body->parts[] = self::extractBodyStructure( $structure[$index++] );
149
150
151	case self::TYPETEXT:
152	$body->lines = intval($structure[$index++]);
153	break;
154
155	default:
156	break;
157
158	}
159
160	if ( $index < $length )
161	++$index;
162
163	if ( $index < $length ) {
164	if ( is_array($disposition = $structure[$index++]) ) {
165	$body->disposition = $disposition[0];
166	$body->ifdisposition = 1;
167
168	if ( count( $body->dparameters = self::extractParameters($disposition[1], []) ) )
169	$body->ifdparameters = 1;
170	else {
171	$body->dparameters = null;
172	}
173	}
174	}
175
176	if ( $index < $length ) {
177	++$index;
178	}
179
180	if ( $index < $length ) {
181	++$index;
182	}
183
184	while( $index < $length ) {
185	++$index;
186	}
187
188	if ( count( $body->parameters = self::extractParameters($structure[2], []) ) )
189	$body->ifparameters = 1;
190	else
191	$body->parameters = (object)[];
192
193	}
194
195	if ( is_null($body->description) ) unset($body->description);
196	if ( is_null($body->id) ) unset($body->id);
197	if ( is_null($body->disposition) ) unset($body->disposition);
198	if ( is_null($body->dparameters) ) unset($body->dparameters);
199	if ( is_null($body->parameters) ) unset($body->parameters);
200
201	if ( ! $body->bytes ) unset($body->bytes);
202	if ( ! $body->lines ) unset($body->lines);
203
204	return $body;
205
206	}
207
208	protected static function extractParameters($attributes, $parameters)
209	{
210	if (empty($attributes)) {
211	return [];
212	}
213
214	$attribute = null;
215
216	foreach ($attributes as $value) {
217	if (empty($attribute)) {
218	$attribute = [
219	'attribute' => $value,
220	'value' => null,
221	];
222	} else {
223	$attribute['value'] = $value;
224	$parameters[] = (object) $attribute;
225	$attribute = null;
226	}
227	}
228
229	return $parameters;
230	}
231
232	}
233