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1 | <? |
2 | /** mime.php |
3 | ** |
4 | ** This contains the functions necessary to detect and decode MIME messages. |
5 | **/ |
6 | |
7 | |
8 | function decodeMime($body, $bound, $type0, $type1) { |
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9 | echo "$type0/$type1<BR>"; |
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10 | if ($type0 == "multipart") { |
11 | if ($body[0] == "") |
12 | $i = 1; |
13 | else |
14 | $i = 0; |
15 | |
16 | $bound = trim($bound); |
17 | $bound = "--$bound"; |
18 | while ($i < count($body)) { |
19 | if (trim($body[$i]) == $bound) { |
20 | $j = $i + 1; |
21 | $p = 0; |
22 | |
23 | while (substr(trim($body[$j]), 0, strlen($bound)) != $bound) { |
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24 | $entity_body[$p] = $body[$j]; |
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25 | $j++; |
26 | $p++; |
27 | } |
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28 | fetchEntityHeader($imapConnection, $entity_body, $ent_type0, $ent_type1, $ent_bound, &$encoding, &$charset); |
29 | $entity = getEntity($entity_body, $ent_bound, $ent_type0, $ent_type1, $encoding, $charset); |
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30 | |
31 | $q = count($full_message); |
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32 | $full_message[$q] = $entity[0]; |
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33 | } |
34 | $i++; |
35 | } |
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36 | } else { |
37 | $full_message = getEntity($body, $bound, $type0, $type1); |
38 | } |
39 | |
40 | return $full_message; |
41 | } |
42 | |
43 | /** This gets one entity's properties **/ |
44 | function getEntity($body, $bound, $type0, $type1, $encoding, $charset) { |
45 | echo "$type0/$type1<BR>"; |
46 | $msg[0]["TYPE0"] = $type0; |
47 | $msg[0]["TYPE1"] = $type1; |
48 | $msg[0]["ENCODING"] = $encoding; |
49 | $msg[0]["CHARSET"] = $charset; |
50 | |
51 | if ($type0 == "text") { |
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52 | if ($type1 == "plain") { |
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53 | $msg[0]["PRIORITY"] = 10; |
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54 | for ($p = 0;$p < count($body);$p++) { |
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55 | $msg[0]["BODY"][$p] = parsePlainTextMessage($body[$p]); |
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56 | } |
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57 | } else if ($type1 == "html") { |
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58 | $msg[0]["PRIORITY"] = 20; |
59 | $msg[0]["BODY"] = $body; |
60 | } else { |
61 | $msg[0]["PRIORITY"] = 1; |
62 | $msg[0]["BODY"][0] = "<B><FONT COLOR=DD0000>This attachment is an unknown text format: $type0/$type1</FONT></B>"; |
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63 | } |
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64 | } else if ($type0 == "image") { |
65 | $msg[0]["BODY"][0] = "<B><FONT COLOR=DD0000>This is an image. Squirrelmail currently cannot decode images.</FONT></B>"; |
66 | } else { |
67 | $msg[0]["BODY"][0] = "<B><FONT COLOR=DD0000>This attachment is of an unknown format: $type0/$type1</FONT></B>"; |
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68 | } |
69 | |
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70 | return $msg; |
71 | } |
72 | |
73 | function formatBody($message) { |
74 | for ($i=0; $i < count($message["ENTITIES"]); $i++) { |
75 | if ($message["ENTITIES"][$i]["TYPE0"] == "text") { |
76 | if ($message["ENTITIES"][$i]["PRIORITY"] > $priority) |
77 | $priority = $message["ENTITIES"][$i]["PRIORITY"]; |
78 | } |
79 | } |
80 | |
81 | for ($i = 0; $i < count($message["ENTITIES"]); $i++) { |
82 | switch ($priority) { |
83 | /** HTML **/ |
84 | case 20: for ($i=0; $i < count($message["ENTITIES"]); $i++) { |
85 | if (($message["ENTITIES"][$i]["TYPE0"] == "text") && ($message["ENTITIES"][$i]["TYPE1"] == "html")) { |
86 | $body = decodeBody($message["ENTITIES"][$i]["BODY"], $message["ENTITIES"][$i]["ENCODING"]); |
87 | } |
88 | } |
89 | break; |
90 | /** PLAIN **/ |
91 | case 10: for ($i=0; $i < count($message["ENTITIES"]); $i++) { |
92 | if (($message["ENTITIES"][$i]["TYPE0"] == "text") && ($message["ENTITIES"][$i]["TYPE1"] == "plain")) { |
93 | $body = decodeBody($message["ENTITIES"][$i]["BODY"], $message["ENTITIES"][$i]["ENCODING"]); |
94 | } |
95 | } |
96 | break; |
97 | /** UNKNOWN...SEND WHAT WE GOT **/ |
98 | case 1: for ($i=0; $i < count($message["ENTITIES"]); $i++) { |
99 | if (($message["ENTITIES"][$i]["TYPE0"] == "text")) { |
100 | $pos = count($body); |
101 | for ($b=0; $b < count($message["ENTITIES"][$i]["BODY"]); $b++) { |
102 | $pos = $pos + $b; |
103 | $body[$pos] = $message["ENTITIES"][$i]["BODY"][$b]; |
104 | } |
105 | } |
106 | } |
107 | break; |
108 | } |
109 | } |
110 | return $body; |
111 | } |
112 | |
113 | function decodeBody($body, $encoding) { |
114 | $encoding = strtolower($encoding); |
115 | if ($encoding == "us-ascii") { |
116 | $newbody = $body; // if only they all were this easy |
117 | } else if ($encoding == "quoted-printable") { |
118 | for ($q=0; $q < count($body); $q++) { |
119 | if (substr(trim($body[$q]), -1) == "=") { |
120 | $body[$q] = trim($body[$q]); |
121 | $body[$q] = substr($body[$q], 0, strlen($body[$q])-1); |
122 | } else if (substr(trim($body[$q]), -3) == "=20") { |
123 | $body[$q] = trim($body[$q]); |
124 | $body[$q] = substr($body[$q], 0, strlen($body[$q])-3); |
125 | $body[$q] = "$body[$q]\n"; // maybe should be \n.. dunno |
126 | } |
127 | } |
128 | $newbody = $body; |
129 | } else { |
130 | $newbody = $body; |
131 | } |
132 | return $newbody; |
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133 | } |
134 | ?> |