Added (c) stuff and some formatting.
[squirrelmail.git] / src / download.php
CommitLineData
59177427 1<?php
ef870322 2 /**
3 ** download.php
4 **
5 ** Copyright (c) 1999-2000 The SquirrelMail development team
6 ** Licensed under the GNU GPL. For full terms see the file COPYING.
7 **
8 ** Handles attachment downloads to the users computer.
9 ** Also allows displaying of attachments when possible.
245a6892 10 **
11 ** $Id$
ef870322 12 **/
13
f740c049 14 define('download_php', true); // Used for preferences
15
ff8a98e7 16 require_once('../src/validate.php');
17 require_once('../functions/imap.php');
18 require_once('../functions/mime.php');
19 require_once('../functions/date.php');
6b96544a 20
bc104ef3 21 header("Pragma: ");
22 header("Cache-Control: cache");
23
11307a4c 24 function viewText($color, $body, $id, $entid, $mailbox, $type1, $wrap_at) {
8442ac08 25 global $where, $what, $charset;
a037624d 26 global $startMessage;
fdcca8d3 27
2d367c68 28 displayPageHeader($color, 'None');
7831268e 29
a037624d 30 echo "<BR><TABLE WIDTH=100% BORDER=0 CELLSPACING=0 CELLPADDING=2 ALIGN=CENTER><TR><TD BGCOLOR=\"$color[0]\">";
180c2c09 31 echo "<B><CENTER>";
aa8dcbd5 32 echo _("Viewing a text attachment") . " - ";
f4991a86 33 if ($where && $what) {
34 // from a search
35 echo "<a href=\"read_body.php?mailbox=".urlencode($mailbox)."&passed_id=$id&where=".urlencode($where)."&what=".urlencode($what)."\">". _("View message") . "</a>";
36 } else {
37 echo "<a href=\"read_body.php?mailbox=".urlencode($mailbox)."&passed_id=$id&startMessage=$startMessage&show_more=0\">". _("View message") . "</a>";
38 }
a037624d 39
7831268e 40 $urlmailbox = urlencode($mailbox);
a037624d 41 echo "</b></td><tr><tr><td><CENTER><A HREF=\"../src/download.php?absolute_dl=true&passed_id=$id&passed_ent_id=$entid&mailbox=$urlmailbox\">";
180c2c09 42 echo _("Download this as a file");
a037624d 43 echo "</A></CENTER><BR>";
44 echo "</CENTER></B>";
45 echo "</TD></TR></TABLE>";
46
47 echo "<TABLE WIDTH=98% BORDER=0 CELLSPACING=0 CELLPADDING=2 ALIGN=CENTER><TR><TD BGCOLOR=\"$color[0]\">";
48 echo "<TR><TD BGCOLOR=\"$color[4]\"><TT>";
49
c6b144dd 50 if ($type1 == 'html') {
51 $body = MagicHTML( $body, $id );
52 } else {
9eea179c 53 translateText($body, $wrap_at, $charset);
c6b144dd 54 }
9eea179c 55
c6b144dd 56 flush();
9eea179c 57 echo $body;
0a4cf77a 58
7831268e 59 echo "</TT></TD></TR></TABLE>";
60 }
61
e1469126 62 $imapConnection = sqimap_login($username, $key, $imapServerAddress, $imapPort, 0);
813eba2f 63 sqimap_mailbox_select($imapConnection, $mailbox);
6b96544a 64
65 // $message contains all information about the message
66 // including header and body
813eba2f 67 $message = sqimap_get_message($imapConnection, $passed_id, $mailbox);
ca1a555e 68 $top_header = $message->header;
6b96544a 69
8beafbbc 70 // lets redefine message as this particular entity that we wish to display.
71 // it should hold only the header for this entity. We need to fetch the body
72 // yet before we can display anything.
73 $message = getEntity($message, $passed_ent_id);
74
75 $header = $message->header;
8beafbbc 76
8442ac08 77 $charset = $header->charset;
8beafbbc 78 $type0 = $header->type0;
79 $type1 = $header->type1;
0db847e1 80 if (isset($override_type0))
81 $type0 = $override_type0;
82 if (isset($override_type1))
83 $type1 = $override_type1;
f9ab17bf 84 $filename = decodeHeader($header->filename);
66e1a00e 85 if (!$filename) {
86 $filename = decodeHeader($header->name);
87 }
6b96544a 88
7831268e 89 if (strlen($filename) < 1) {
e9f8ea4e 90 if ($type1 == "plain" && $type0 == "text") $suffix = "txt";
91 else if ($type1 == "richtext" && $type0 == "text") $suffix = "rtf";
92 else if ($type1 == "postscript" && $type0 == "application") $suffix = "ps";
93 else if ($type1 == "message" && $type0 == "rfc822") $suffix = "msg";
94 else $suffix = $type1;
95
96 $filename = "untitled$passed_ent_id.$suffix";
7831268e 97 }
6b96544a 98
c4809aca 99 // Note:
100 // The following sections display the attachment in different
101 // ways depending on how they choose. The first way will download
102 // under any circumstance. This sets the Content-type to be
103 // applicatin/octet-stream, which should be interpreted by the
104 // browser as "download me".
105 // The second method (view) is used for images or other formats
106 // that should be able to be handled by the browser. It will
107 // most likely display the attachment inline inside the browser.
108 // And finally, the third one will be used by default. If it
109 // is displayable (text or html), it will load them up in a text
110 // viewer (built in to squirrelmail). Otherwise, it sets the
111 // content-type as application/octet-stream
a7ea7540 112
61423189 113 if (isset($absolute_dl) && $absolute_dl == "true") {
7831268e 114 switch($type0) {
115 case "text":
36294f1a 116 DumpHeaders($type0, $type1, $filename, 1);
beb9e459 117 $body = mime_fetch_body($imapConnection, $passed_id, $passed_ent_id);
8beafbbc 118 $body = decodeBody($body, $header->encoding);
a900c1e6 119 if ($type1 == "plain" && isset($showHeaders)) {
d51894be 120 echo _("Subject") . ": " . decodeHeader($top_header->subject) . "\n";
121 echo " " . _("From") . ": " . decodeHeader($top_header->from) . "\n";
122 echo " " . _("To") . ": " . decodeHeader(getLineOfAddrs($top_header->to)) . "\n";
ca1a555e 123 echo " " . _("Date") . ": " . getLongDateString($top_header->date) . "\n\n";
623332f3 124 }
a900c1e6 125 elseif ($type1 == "html" && isset($showHeaders)) {
126 echo '<table><tr><th align=right>' . _("Subject");
127 echo ':</th><td>' . decodeHeader($top_header->subject);
128 echo "</td></tr>\n<tr><th align=right>" . _("From");
129 echo ':</th><td>' . decodeHeader($top_header->from);
130 echo "</td></tr>\n<tr><th align=right>" . _("To");
131 echo ':</th><td>' . decodeHeader(getLineOfAddrs($top_header->to));
132 echo "</td></tr>\n<tr><th align=right>" . _("Date");
133 echo ':</th><td>' . getLongDateString($top_header->date);
134 echo "</td></tr>\n</table>\n<hr>\n";
135 }
36294f1a 136 echo $body;
7831268e 137 break;
138 default:
36294f1a 139 DumpHeaders($type0, $type1, $filename, 1);
beb9e459 140 mime_print_body_lines ($imapConnection, $passed_id, $passed_ent_id, $header->encoding);
7831268e 141 break;
142 }
143 } else {
144 switch ($type0) {
145 case "text":
beb9e459 146 if ($type1 == "plain" || $type1 == "html") {
147 $body = mime_fetch_body($imapConnection, $passed_id, $passed_ent_id);
148 $body = decodeBody($body, $header->encoding);
beb9e459 149 viewText($color, $body, $passed_id, $passed_ent_id, $mailbox, $type1, $wrap_at);
23a8095f 150 } else {
36294f1a 151 DumpHeaders($type0, $type1, $filename, 0);
beb9e459 152 $body = mime_fetch_body($imapConnection, $passed_id, $passed_ent_id);
153 $body = decodeBody($body, $header->encoding);
beb9e459 154 echo $body;
155 }
156 break;
7831268e 157 case "message":
beb9e459 158 $body = mime_fetch_body($imapConnection, $passed_id, $passed_ent_id);
8beafbbc 159 $body = decodeBody($body, $header->encoding);
11307a4c 160 viewText($color, $body, $passed_id, $passed_ent_id, $mailbox, $type1, $wrap_at);
7831268e 161 break;
162 default:
36294f1a 163 DumpHeaders($type0, $type1, $filename, 0);
beb9e459 164 mime_print_body_lines ($imapConnection, $passed_id, $passed_ent_id, $header->encoding);
7831268e 165 break;
166 }
36294f1a 167 }
168
169
2a0372ff 170 // This function is verified to work with Netscape and the *very latest*
171 // version of IE. I don't know if it works with Opera, but it should now.
36294f1a 172 function DumpHeaders($type0, $type1, $filename, $force)
173 {
174 global $HTTP_USER_AGENT;
175
176 $isIE = 0;
2a0372ff 177 if (strstr($HTTP_USER_AGENT, 'compatible; MSIE ') !== false &&
178 strstr($HTTP_USER_AGENT, 'Opera') === false) {
36294f1a 179 $isIE = 1;
180 }
181
182 $filename = ereg_replace('[^-a-zA-Z0-9\.]', '_', $filename);
183
184 // A Pox on Microsoft and it's Office!
185 if (! $force)
186 {
187 // Try to show in browser window
188 header("Content-Disposition: inline; filename=\"$filename\"");
189 header("Content-Type: $type0/$type1; name=\"$filename\"");
190 }
191 else
192 {
193 // Try to pop up the "save as" box
194 // IE makes this hard. It pops up 2 save boxes, or none.
195 // http://support.microsoft.com/support/kb/articles/Q238/5/88.ASP
196 // But, accordint to Microsoft, it is "RFC compliant but doesn't
197 // take into account some deviations that allowed within the
198 // specification." Doesn't that mean RFC non-compliant?
199 // http://support.microsoft.com/support/kb/articles/Q258/4/52.ASP
200 //
201 // The best thing you can do for IE is to upgrade to the latest
202 // version
203 if ($isIE) {
204 // http://support.microsoft.com/support/kb/articles/Q182/3/15.asp
205 // Do not have quotes around filename, but that applied to
206 // "attachment"... does it apply to inline too?
207 //
208 // This combination seems to work mostly. IE 5.5 SP 1 has
209 // known issues (see the Microsoft Knowledge Base)
210 header("Content-Disposition: inline; filename=$filename");
211
212 // This works for most types, but doesn't work with Word files
213 header("Content-Type: application/download; name=\"$filename\"");
214
215 // These are spares, just in case. :-)
216 //header("Content-Type: $type0/$type1; name=\"$filename\"");
217 //header("Content-Type: application/x-msdownload; name=\"$filename\"");
218 //header("Content-Type: application/octet-stream; name=\"$filename\"");
219 } else {
220 header("Content-Disposition: attachment; filename=\"$filename\"");
221 // application/octet-stream forces download for Netscape
222 header("Content-Type: application/octet-stream; name=\"$filename\"");
223 }
224 }
225 }
ff8a98e7 226?>