aceb0d5c |
1 | <? |
2 | /** mime.php |
3 | ** |
4 | ** This contains the functions necessary to detect and decode MIME messages. |
5 | **/ |
6 | |
7 | |
1fd97780 |
8 | if (!isset($i18n_php)) |
9 | include "../functions/i18n.php"; |
10 | |
4809f489 |
11 | /** This is the first function called. It decides if this is a multipart |
12 | message or if it should be handled as a single entity |
13 | **/ |
14 | function decodeMime($body, $bound, $type0, $type1, &$entities) { |
aceb0d5c |
15 | if ($type0 == "multipart") { |
aceb0d5c |
16 | $bound = trim($bound); |
f7835374 |
17 | $i = 0; |
4809f489 |
18 | while (($i < count($body)) && (substr($body[$i], 0, strlen("--$bound--")) != "--$bound--")) { |
19 | if (trim($body[$i]) == "--$bound") { |
20 | $j = $i+1; |
aceb0d5c |
21 | $p = 0; |
22 | |
4809f489 |
23 | /** Lets find the header for this entity **/ |
24 | /** If the first line after the boundary is blank, we use default values **/ |
25 | if (trim($body[$j]) == "") { |
26 | $ent_type0 = "text"; |
27 | $ent_type1 = "plain"; |
28 | $charset = "us-ascii"; |
aceb0d5c |
29 | $j++; |
4809f489 |
30 | /** If the first line ISNT blank, read in the header for this entity **/ |
31 | } else { |
32 | while ((substr(trim($body[$j]), 0, strlen("--$bound")) != "--$bound") && (trim($body[$j]) != "")) { |
33 | $entity_header[$p] = $body[$j]; |
34 | $j++; |
35 | $p++; |
36 | } |
37 | /** All of these values are getting passed back to us **/ |
d29aac0e |
38 | sqimap_get_entity_header($imapConnection, $entity_header, $ent_type0, $ent_type1, $ent_bound, $encoding, $charset, $filename); |
aceb0d5c |
39 | } |
bcb432a3 |
40 | |
bcb432a3 |
41 | |
4809f489 |
42 | /** OK, we have the header information, now lets decide what to do with it **/ |
43 | if ($ent_type0 == "multipart") { |
44 | $y = 0; |
45 | while (substr($body[$j], 0, strlen("--$bound--")) != "--$bound--") { |
46 | $ent_body[$y] = $body[$j]; |
47 | $y++; |
48 | $j++; |
49 | } |
50 | $ent = decodeMime($ent_body, $ent_bound, $ent_type0, $ent_type1, $entities); |
51 | $entities = $ent; |
bcb432a3 |
52 | } else { |
7c9499e1 |
53 | $j++; |
54 | $entity_body = ""; |
4809f489 |
55 | while (substr(trim($body[$j]), 0, strlen("--$bound")) != "--$bound") { |
bcb432a3 |
56 | $entity_body .= $body[$j]; |
57 | $j++; |
58 | } |
4809f489 |
59 | $count = count($entities); |
60 | $entities[$count] = getEntity($entity_body, $ent_bound, $ent_type0, $ent_type1, $encoding, $charset, $filename); |
bcb432a3 |
61 | } |
aceb0d5c |
62 | } |
63 | $i++; |
64 | } |
d4467150 |
65 | } else { |
7831268e |
66 | /** If this isn't a multipart message **/ |
67 | $j = 0; |
68 | $entity_body = ""; |
78509c54 |
69 | while ($j < count($body)) { |
7831268e |
70 | $entity_body .= $body[$j]; |
71 | $j++; |
72 | } |
73 | |
4809f489 |
74 | $count = count($entities); |
7831268e |
75 | $entities[$count] = getEntity($entity_body, $bound, $type0, $type1, $encoding, $charset, $filename); |
d4467150 |
76 | } |
77 | |
4809f489 |
78 | return $entities; |
d4467150 |
79 | } |
80 | |
81 | /** This gets one entity's properties **/ |
7c9499e1 |
82 | function getEntity($body, $bound, $type0, $type1, $encoding, $charset, $filename) { |
4809f489 |
83 | $msg["TYPE0"] = $type0; |
84 | $msg["TYPE1"] = $type1; |
85 | $msg["ENCODING"] = $encoding; |
86 | $msg["CHARSET"] = $charset; |
87 | $msg["FILENAME"] = $filename; |
d4467150 |
88 | |
7831268e |
89 | $msg["BODY"] = $body; |
aceb0d5c |
90 | |
d4467150 |
91 | return $msg; |
92 | } |
93 | |
4809f489 |
94 | /** This will check whether or not the message contains a certain type. It |
95 | searches through all the entities for a match. |
96 | **/ |
b1dadc61 |
97 | function containsType($message, $type0, $type1, &$ent_num) { |
98 | $type0 = strtolower($type0); |
99 | $type1 = strtolower($type1); |
d4467150 |
100 | for ($i = 0; $i < count($message["ENTITIES"]); $i++) { |
b1dadc61 |
101 | /** Check only on type0 **/ |
102 | if ( $type1 == "any_type" ) { |
103 | if ( ($message["ENTITIES"][$i]["TYPE0"] == $type0) ) { |
104 | $ent_num = $i; |
105 | return true; |
106 | } |
107 | |
108 | /** Check on type0 and type1 **/ |
109 | } else { |
110 | if ( ($message["ENTITIES"][$i]["TYPE0"] == $type0) && ($message["ENTITIES"][$i]["TYPE1"] == $type1) ) { |
111 | $ent_num = $i; |
112 | return true; |
113 | } |
d4467150 |
114 | } |
115 | } |
b1dadc61 |
116 | return false; |
117 | } |
8405ee35 |
118 | |
4809f489 |
119 | /** This returns a parsed string called $body. That string can then be displayed |
120 | as the actual message in the HTML. It contains everything needed, including |
121 | HTML Tags, Attachments at the bottom, etc. |
122 | **/ |
a8648d75 |
123 | function formatBody($message, $color, $wrap_at) { |
7831268e |
124 | |
4809f489 |
125 | /** this if statement checks for the entity to show as the primary message. To |
126 | add more of them, just put them in the order that is their priority. |
127 | **/ |
7085fa78 |
128 | $id = $message["INFO"]["ID"]; |
129 | $urlmailbox = urlencode($message["INFO"]["MAILBOX"]); |
7085fa78 |
130 | |
b1dadc61 |
131 | if (containsType($message, "text", "html", $ent_num)) { |
a8648d75 |
132 | $body = decodeBody($message["ENTITIES"][$ent_num]["BODY"], $message["ENTITIES"][$ent_num]["ENCODING"]); |
b1dadc61 |
133 | } else if (containsType($message, "text", "plain", $ent_num)) { |
a8648d75 |
134 | $body = decodeBody($message["ENTITIES"][$ent_num]["BODY"], $message["ENTITIES"][$ent_num]["ENCODING"]); |
4809f489 |
135 | } |
136 | // add other primary displaying message types here |
b1dadc61 |
137 | else { |
138 | // find any type that's displayable |
139 | if (containsType($message, "text", "any_type", $ent_num)) { |
a8648d75 |
140 | $body = decodeBody($message["ENTITIES"][$ent_num]["BODY"], $message["ENTITIES"][$ent_num]["ENCODING"]); |
b1dadc61 |
141 | } else if (containsType($message, "message", "any_type", $ent_num)) { |
a8648d75 |
142 | $body = decodeBody($message["ENTITIES"][$ent_num]["BODY"], $message["ENTITIES"][$ent_num]["ENCODING"]); |
8405ee35 |
143 | } |
144 | } |
145 | |
78509c54 |
146 | /** If there are other types that shouldn't be formatted, add them here **/ |
147 | if ($message["ENTITIES"][$ent_num]["TYPE1"] != "html") |
a8648d75 |
148 | $body = translateText($body, $wrap_at); |
149 | |
78509c54 |
150 | |
9f9d7d28 |
151 | $body .= "<BR><SMALL><CENTER><A HREF=\"../src/download.php?absolute_dl=true&passed_id=$id&passed_ent_id=$ent_num&mailbox=$urlmailbox\">". _("Download this as a file") ."</A></CENTER><BR></SMALL>"; |
7831268e |
152 | |
b1dadc61 |
153 | /** Display the ATTACHMENTS: message if there's more than one part **/ |
154 | if (count($message["ENTITIES"]) > 1) { |
7831268e |
155 | $body .= "<TABLE WIDTH=100% CELLSPACING=0 CELLPADDING=4 BORDER=0><TR><TD BGCOLOR=\"$color[0]\">"; |
156 | $body .= "<TT><B>ATTACHMENTS:</B></TT>"; |
157 | $body .= "</TD></TR><TR><TD BGCOLOR=\"$color[0]\">"; |
b1dadc61 |
158 | $num = 0; |
159 | |
160 | for ($i = 0; $i < count($message["ENTITIES"]); $i++) { |
161 | /** If we've displayed this entity, go to the next one **/ |
162 | if ($ent_num == $i) |
163 | continue; |
164 | |
165 | $type0 = strtolower($message["ENTITIES"][$i]["TYPE0"]); |
166 | $type1 = strtolower($message["ENTITIES"][$i]["TYPE1"]); |
167 | |
168 | $num++; |
7c9499e1 |
169 | $filename = $message["ENTITIES"][$i]["FILENAME"]; |
b1dadc61 |
170 | if (trim($filename) == "") { |
7085fa78 |
171 | $display_filename = "untitled$i"; |
b1dadc61 |
172 | } else { |
173 | $display_filename = $filename; |
174 | } |
7c9499e1 |
175 | |
97be2168 |
176 | $urlMailbox = urlencode($message["INFO"]["MAILBOX"]); |
177 | $id = $message["INFO"]["ID"]; |
7831268e |
178 | $body .= "<TT> <A HREF=\"../src/download.php?passed_id=$id&mailbox=$urlMailbox&passed_ent_id=$i\">" . $display_filename . "</A> <SMALL>(TYPE: $type0/$type1)</SMALL></TT><BR>"; |
8405ee35 |
179 | } |
7831268e |
180 | $body .= "</TD></TR></TABLE>"; |
8405ee35 |
181 | } |
d4467150 |
182 | return $body; |
183 | } |
184 | |
4809f489 |
185 | |
186 | |
187 | /** this function decodes the body depending on the encoding type. **/ |
d4467150 |
188 | function decodeBody($body, $encoding) { |
189 | $encoding = strtolower($encoding); |
7831268e |
190 | |
ef3f274f |
191 | if ($encoding == "quoted-printable") { |
192 | $body = quoted_printable_decode($body); |
db87f79c |
193 | |
ef3f274f |
194 | while (ereg("=\n", $body)) |
195 | $body = ereg_replace ("=\n", "", $body); |
97be2168 |
196 | } else if ($encoding == "base64") { |
ef3f274f |
197 | $body = base64_decode($body); |
d4467150 |
198 | } |
ef3f274f |
199 | |
200 | // All other encodings are returned raw. |
201 | return $body; |
aceb0d5c |
202 | } |
a4c2cd49 |
203 | |
204 | |
205 | // This functions decode strings that is encoded according to |
206 | // RFC1522 (MIME Part Two: Message Header Extensions for Non-ASCII Text). |
2e434774 |
207 | function decodeHeader ($string) { |
1fd97780 |
208 | if (eregi('=\?([^?]+)\?(q|b)\?([^?]+)\?=', |
a4c2cd49 |
209 | $string, $res)) { |
1fd97780 |
210 | if (ucfirst($res[2]) == "B") { |
211 | $replace = base64_decode($res[3]); |
a4c2cd49 |
212 | } else { |
1fd97780 |
213 | $replace = ereg_replace("_", " ", $res[3]); |
a4c2cd49 |
214 | $replace = quoted_printable_decode($replace); |
215 | } |
216 | |
1fd97780 |
217 | $replace = charset_decode ($res[1], $replace); |
a4c2cd49 |
218 | |
219 | $string = eregi_replace |
1fd97780 |
220 | ('=\?([^?]+)\?(q|b)\?([^?]+)\?=', |
a4c2cd49 |
221 | $replace, $string); |
2e434774 |
222 | // In case there should be more encoding in the string: recurse |
223 | return (decodeHeader($string)); |
a4c2cd49 |
224 | } else |
225 | return ($string); |
226 | } |
227 | |
9f9d7d28 |
228 | ?> |