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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, $charset) { |
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45 | // echo "--$type0/$type1--<BR>"; |
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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 | // error correcting if they didn't follow RFC standards |
53 | if (trim($type1) == "") |
54 | $type1 = "plain"; |
55 | |
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56 | if ($type1 == "plain") { |
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57 | $msg[0]["PRIORITY"] = 10; |
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58 | for ($p = 0;$p < count($body);$p++) { |
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59 | $msg[0]["BODY"][$p] = parsePlainTextMessage($body[$p]); |
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60 | } |
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61 | } else if ($type1 == "html") { |
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62 | $msg[0]["PRIORITY"] = 20; |
63 | $msg[0]["BODY"] = $body; |
64 | } else { |
65 | $msg[0]["PRIORITY"] = 1; |
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66 | $msg[0]["BODY"][0] = "This entity is of an unknown format. Doing my best to display anyway...<BR><BR>"; |
67 | for ($p = 1;$p < count($body);$p++) { |
68 | $q = $p - 1; |
69 | $msg[0]["BODY"][$p] = $body[$q]; |
70 | } |
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71 | } |
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72 | } else { |
73 | $msg[0]["BODY"][0] = "<B><FONT COLOR=DD0000>This attachment is of an unknown format: $type0/$type1</FONT></B>"; |
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74 | } |
75 | |
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76 | return $msg; |
77 | } |
78 | |
79 | function formatBody($message) { |
80 | for ($i=0; $i < count($message["ENTITIES"]); $i++) { |
81 | if ($message["ENTITIES"][$i]["TYPE0"] == "text") { |
82 | if ($message["ENTITIES"][$i]["PRIORITY"] > $priority) |
83 | $priority = $message["ENTITIES"][$i]["PRIORITY"]; |
84 | } |
85 | } |
86 | |
87 | for ($i = 0; $i < count($message["ENTITIES"]); $i++) { |
88 | switch ($priority) { |
89 | /** HTML **/ |
90 | case 20: for ($i=0; $i < count($message["ENTITIES"]); $i++) { |
91 | if (($message["ENTITIES"][$i]["TYPE0"] == "text") && ($message["ENTITIES"][$i]["TYPE1"] == "html")) { |
92 | $body = decodeBody($message["ENTITIES"][$i]["BODY"], $message["ENTITIES"][$i]["ENCODING"]); |
93 | } |
94 | } |
95 | break; |
96 | /** PLAIN **/ |
97 | case 10: for ($i=0; $i < count($message["ENTITIES"]); $i++) { |
98 | if (($message["ENTITIES"][$i]["TYPE0"] == "text") && ($message["ENTITIES"][$i]["TYPE1"] == "plain")) { |
99 | $body = decodeBody($message["ENTITIES"][$i]["BODY"], $message["ENTITIES"][$i]["ENCODING"]); |
100 | } |
101 | } |
102 | break; |
103 | /** UNKNOWN...SEND WHAT WE GOT **/ |
104 | case 1: for ($i=0; $i < count($message["ENTITIES"]); $i++) { |
105 | if (($message["ENTITIES"][$i]["TYPE0"] == "text")) { |
106 | $pos = count($body); |
107 | for ($b=0; $b < count($message["ENTITIES"][$i]["BODY"]); $b++) { |
108 | $pos = $pos + $b; |
109 | $body[$pos] = $message["ENTITIES"][$i]["BODY"][$b]; |
110 | } |
111 | } |
112 | } |
113 | break; |
114 | } |
115 | } |
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116 | |
117 | for ($i = 0; $i < count($message["ENTITIES"]); $i++) { |
118 | $pos = count($body); |
119 | if ($message["ENTITIES"][$i]["TYPE0"] != "text") { |
120 | $body[$pos] = "<BR><TT><U><B>ATTACHMENTS:</B></U></TT><BR>"; |
121 | } |
122 | } |
123 | |
124 | for ($i = 0; $i < count($message["ENTITIES"]); $i++) { |
125 | $pos = count($body); |
126 | if ($message["ENTITIES"][$i]["TYPE0"] != "text") { |
127 | if ($message["ENTITIES"][$i]["TYPE0"] == "image") { |
128 | $body[$pos] = "<TT> Image: " . strtoupper($message["ENTITIES"][$i]["TYPE1"]) . "</TT><BR>"; |
129 | } else { |
130 | $body[$pos] = "<TT> Unknown Type: " . $message["ENTITIES"][$i]["TYPE0"] . "/" . $message["ENTITIES"][$i]["TYPE1"] . "</TT><BR>"; |
131 | } |
132 | } |
133 | } |
134 | |
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135 | return $body; |
136 | } |
137 | |
138 | function decodeBody($body, $encoding) { |
139 | $encoding = strtolower($encoding); |
140 | if ($encoding == "us-ascii") { |
141 | $newbody = $body; // if only they all were this easy |
142 | } else if ($encoding == "quoted-printable") { |
143 | for ($q=0; $q < count($body); $q++) { |
144 | if (substr(trim($body[$q]), -1) == "=") { |
145 | $body[$q] = trim($body[$q]); |
146 | $body[$q] = substr($body[$q], 0, strlen($body[$q])-1); |
147 | } else if (substr(trim($body[$q]), -3) == "=20") { |
148 | $body[$q] = trim($body[$q]); |
149 | $body[$q] = substr($body[$q], 0, strlen($body[$q])-3); |
150 | $body[$q] = "$body[$q]\n"; // maybe should be \n.. dunno |
151 | } |
152 | } |
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153 | for ($q=0;$q < count($body);$q++) { |
154 | $body[$q] = ereg_replace("=3D", "=", $body[$q]); |
155 | } |
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156 | $newbody = $body; |
157 | } else { |
158 | $newbody = $body; |
159 | } |
160 | return $newbody; |
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161 | } |
162 | ?> |