|
1
|
|
|
<?php |
|
2
|
|
|
/** |
|
3
|
|
|
* This file is part of the ZBateson\MailMimeParser project. |
|
4
|
|
|
* |
|
5
|
|
|
* @license http://opensource.org/licenses/bsd-license.php BSD |
|
6
|
|
|
*/ |
|
7
|
|
|
namespace ZBateson\MailMimeParser\Message\Helper; |
|
8
|
|
|
|
|
9
|
|
|
use ZBateson\MailMimeParser\Message; |
|
10
|
|
|
use ZBateson\MailMimeParser\Message\Part\Factory\MimePartFactory; |
|
11
|
|
|
use ZBateson\MailMimeParser\Message\Part\Factory\PartBuilderFactory; |
|
12
|
|
|
use ZBateson\MailMimeParser\Message\Part\Factory\UUEncodedPartFactory; |
|
13
|
|
|
use ZBateson\MailMimeParser\Message\PartFilter; |
|
14
|
|
|
|
|
15
|
|
|
/** |
|
16
|
|
|
* Provides routines to set or retrieve the signature part of a signed message. |
|
17
|
|
|
* |
|
18
|
|
|
* @author Zaahid Bateson |
|
19
|
|
|
*/ |
|
20
|
|
|
class PrivacyHelper extends AbstractHelper |
|
21
|
|
|
{ |
|
22
|
|
|
/** |
|
23
|
|
|
* @var GenericHelper a GenericHelper instance |
|
24
|
|
|
*/ |
|
25
|
|
|
private $genericHelper; |
|
26
|
|
|
|
|
27
|
|
|
/** |
|
28
|
|
|
* @var MultipartHelper a MultipartHelper instance |
|
29
|
|
|
*/ |
|
30
|
|
|
private $multipartHelper; |
|
31
|
|
|
|
|
32
|
|
|
/** |
|
33
|
|
|
* @param MimePartFactory $mimePartFactory |
|
34
|
|
|
* @param UUEncodedPartFactory $uuEncodedPartFactory |
|
35
|
|
|
* @param PartBuilderFactory $partBuilderFactory |
|
36
|
|
|
* @param GenericHelper $genericHelper |
|
37
|
|
|
* @param MultipartHelper $multipartHelper |
|
38
|
|
|
*/ |
|
39
|
|
|
public function __construct( |
|
40
|
|
|
MimePartFactory $mimePartFactory, |
|
41
|
|
|
UUEncodedPartFactory $uuEncodedPartFactory, |
|
42
|
|
|
PartBuilderFactory $partBuilderFactory, |
|
43
|
|
|
GenericHelper $genericHelper, |
|
44
|
|
|
MultipartHelper $multipartHelper |
|
45
|
|
|
) { |
|
46
|
|
|
parent::__construct($mimePartFactory, $uuEncodedPartFactory, $partBuilderFactory); |
|
47
|
|
|
$this->genericHelper = $genericHelper; |
|
48
|
|
|
$this->multipartHelper = $multipartHelper; |
|
49
|
|
|
} |
|
50
|
|
|
|
|
51
|
|
|
/** |
|
52
|
|
|
* The passed message is set as multipart/signed, and a new part is created |
|
53
|
|
|
* below it with content headers, content and children copied from the |
|
54
|
|
|
* message. |
|
55
|
|
|
* |
|
56
|
|
|
* @param Message $message |
|
57
|
|
|
* @param string $micalg |
|
58
|
|
|
* @param string $protocol |
|
59
|
|
|
*/ |
|
60
|
|
|
public function setMessageAsMultipartSigned(Message $message, $micalg, $protocol) |
|
61
|
|
|
{ |
|
62
|
|
|
$this->multipartHelper->enforceMime($message); |
|
63
|
|
|
$messagePart = $this->partBuilderFactory->newPartBuilder($this->mimePartFactory)->createMessagePart(); |
|
64
|
|
|
$this->genericHelper->movePartContentAndChildren($message, $messagePart); |
|
65
|
|
|
$message->addChild($messagePart); |
|
66
|
|
|
|
|
67
|
|
|
$boundary = $this->multipartHelper->getUniqueBoundary('multipart/signed'); |
|
68
|
|
|
$message->setRawHeader( |
|
69
|
|
|
'Content-Type', |
|
70
|
|
|
"multipart/signed;\r\n\tboundary=\"$boundary\";\r\n\tmicalg=\"$micalg\"; protocol=\"$protocol\"" |
|
71
|
|
|
); |
|
72
|
|
|
} |
|
73
|
|
|
|
|
74
|
|
|
/** |
|
75
|
|
|
* Sets the signature of the message to $body, creating a signature part if |
|
76
|
|
|
* one doesn't exist. |
|
77
|
|
|
* |
|
78
|
|
|
* @param Message $message |
|
79
|
|
|
* @param string $body |
|
80
|
|
|
*/ |
|
81
|
|
|
public function setSignature(Message $message, $body) |
|
82
|
|
|
{ |
|
83
|
|
|
$signedPart = $message->getSignaturePart(); |
|
84
|
|
|
if ($signedPart === null) { |
|
85
|
|
|
$signedPart = $this->partBuilderFactory->newPartBuilder($this->mimePartFactory)->createMessagePart(); |
|
86
|
|
|
$message->addChild($signedPart); |
|
87
|
|
|
} |
|
88
|
|
|
$signedPart->setRawHeader( |
|
|
|
|
|
|
89
|
|
|
'Content-Type', |
|
90
|
|
|
$message->getHeaderParameter('Content-Type', 'protocol') |
|
91
|
|
|
); |
|
92
|
|
|
$signedPart->setContent($body); |
|
93
|
|
|
} |
|
94
|
|
|
|
|
95
|
|
|
/** |
|
96
|
|
|
* Loops over parts of the message and sets the content-transfer-encoding |
|
97
|
|
|
* header to quoted-printable for text/* mime parts, and to base64 |
|
98
|
|
|
* otherwise for parts that are '8bit' encoded. |
|
99
|
|
|
* |
|
100
|
|
|
* Used for multipart/signed messages which doesn't support 8bit transfer |
|
101
|
|
|
* encodings. |
|
102
|
|
|
* |
|
103
|
|
|
* @param Message $message |
|
104
|
|
|
*/ |
|
105
|
|
|
public function overwrite8bitContentEncoding(Message $message) |
|
106
|
|
|
{ |
|
107
|
|
|
$parts = $message->getAllParts(new PartFilter([ |
|
108
|
|
|
'headers' => [ PartFilter::FILTER_INCLUDE => [ |
|
109
|
|
|
'Content-Transfer-Encoding' => '8bit' |
|
110
|
|
|
] ] |
|
111
|
|
|
])); |
|
112
|
|
|
foreach ($parts as $part) { |
|
113
|
|
|
$contentType = strtolower($part->getHeaderValue('Content-Type', 'text/plain')); |
|
|
|
|
|
|
114
|
|
|
if ($contentType === 'text/plain' || $contentType === 'text/html') { |
|
115
|
|
|
$part->setRawHeader('Content-Transfer-Encoding', 'quoted-printable'); |
|
116
|
|
|
} else { |
|
117
|
|
|
$part->setRawHeader('Content-Transfer-Encoding', 'base64'); |
|
118
|
|
|
} |
|
119
|
|
|
} |
|
120
|
|
|
} |
|
121
|
|
|
|
|
122
|
|
|
/** |
|
123
|
|
|
* Ensures a non-text part comes first in a signed multipart/alternative |
|
124
|
|
|
* message as some clients seem to prefer the first content part if the |
|
125
|
|
|
* client doesn't understand multipart/signed. |
|
126
|
|
|
* |
|
127
|
|
|
* @param Message $message |
|
128
|
|
|
*/ |
|
129
|
|
|
public function ensureHtmlPartFirstForSignedMessage(Message $message) |
|
130
|
|
|
{ |
|
131
|
|
|
$alt = $message->getPartByMimeType('multipart/alternative'); |
|
132
|
|
|
if ($alt !== null && $alt instanceof ParentPart) { |
|
|
|
|
|
|
133
|
|
|
$cont = $this->multipartHelper->getContentPartContainerFromAlternative('text/html', $alt); |
|
134
|
|
|
$children = $alt->getChildParts(); |
|
|
|
|
|
|
135
|
|
|
$pos = array_search($cont, $children, true); |
|
136
|
|
|
if ($pos !== false && $pos !== 0) { |
|
137
|
|
|
$alt->removePart($children[0]); |
|
|
|
|
|
|
138
|
|
|
$alt->addChild($children[0]); |
|
|
|
|
|
|
139
|
|
|
} |
|
140
|
|
|
} |
|
141
|
|
|
} |
|
142
|
|
|
} |
|
143
|
|
|
|
zbateson /
mail-mime-parser
Loading history...