| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * download.php |
| 5 | * |
| 6 | * Copyright (c) 1999-2004 The SquirrelMail Project Team |
| 7 | * Licensed under the GNU GPL. For full terms see the file COPYING. |
| 8 | * |
| 9 | * Handles attachment downloads to the users computer. |
| 10 | * Also allows displaying of attachments when possible. |
| 11 | * |
| 12 | * $Id$ |
| 13 | * @package squirrelmail |
| 14 | */ |
| 15 | |
| 16 | /** Path for SquirrelMail required files. */ |
| 17 | define('SM_PATH','../'); |
| 18 | |
| 19 | /* SquirrelMail required files. */ |
| 20 | require_once(SM_PATH . 'include/validate.php'); |
| 21 | require_once(SM_PATH . 'functions/imap.php'); |
| 22 | require_once(SM_PATH . 'functions/mime.php'); |
| 23 | |
| 24 | header('Pragma: '); |
| 25 | header('Cache-Control: cache'); |
| 26 | |
| 27 | /* globals */ |
| 28 | sqgetGlobalVar('key', $key, SQ_COOKIE); |
| 29 | sqgetGlobalVar('username', $username, SQ_SESSION); |
| 30 | sqgetGlobalVar('onetimepad', $onetimepad, SQ_SESSION); |
| 31 | sqgetGlobalVar('messages', $messages, SQ_SESSION); |
| 32 | sqgetGlobalVar('mailbox', $mailbox, SQ_GET); |
| 33 | sqgetGlobalVar('ent_id', $ent_id, SQ_GET); |
| 34 | sqgetGlobalVar('absolute_dl',$absolute_dl, SQ_GET); |
| 35 | if ( sqgetGlobalVar('passed_id', $temp, SQ_GET) ) { |
| 36 | $passed_id = (int) $temp; |
| 37 | } |
| 38 | |
| 39 | /* end globals */ |
| 40 | |
| 41 | $imapConnection = sqimap_login($username, $key, $imapServerAddress, $imapPort, 0); |
| 42 | $mbx_response = sqimap_mailbox_select($imapConnection, $mailbox); |
| 43 | |
| 44 | $message = &$messages[$mbx_response['UIDVALIDITY']]["$passed_id"]; |
| 45 | if (!is_object($message)) { |
| 46 | $message = sqimap_get_message($imapConnection,$passed_id, $mailbox); |
| 47 | } |
| 48 | $subject = $message->rfc822_header->subject; |
| 49 | if ($ent_id) { |
| 50 | $message = &$message->getEntity($ent_id); |
| 51 | $header = $message->header; |
| 52 | |
| 53 | if ($message->rfc822_header) { |
| 54 | $subject = $message->rfc822_header->subject; |
| 55 | } else { |
| 56 | $header = $message->header; |
| 57 | } |
| 58 | $type0 = $header->type0; |
| 59 | $type1 = $header->type1; |
| 60 | $encoding = strtolower($header->encoding); |
| 61 | } else { |
| 62 | /* raw message */ |
| 63 | $type0 = 'message'; |
| 64 | $type1 = 'rfc822'; |
| 65 | $encoding = 'US-ASCII'; |
| 66 | $header = $message->header; |
| 67 | } |
| 68 | |
| 69 | /* |
| 70 | * lets redefine message as this particular entity that we wish to display. |
| 71 | * it should hold only the header for this entity. We need to fetch the body |
| 72 | * yet before we can display anything. |
| 73 | */ |
| 74 | |
| 75 | if (isset($override_type0)) { |
| 76 | $type0 = $override_type0; |
| 77 | } |
| 78 | if (isset($override_type1)) { |
| 79 | $type1 = $override_type1; |
| 80 | } |
| 81 | $filename = ''; |
| 82 | if (is_object($message->header->disposition)) { |
| 83 | $filename = $header->disposition->getProperty('filename'); |
| 84 | if (!$filename) { |
| 85 | $filename = $header->disposition->getProperty('name'); |
| 86 | } |
| 87 | if (!$filename) { |
| 88 | $filename = $header->getParameter('name'); |
| 89 | } |
| 90 | } else { |
| 91 | $filename = $header->getParameter('name'); |
| 92 | } |
| 93 | |
| 94 | //$filename = decodeHeader($filename, false, false); //Don't want html output nor utf8 because it will return html output |
| 95 | $filename = decodeHeader($filename, true, false); //Don't want html output |
| 96 | if (strlen($filename) < 1) { |
| 97 | //$filename = decodeHeader($subject, false, false); //Don't want html output nor utf8 because it will return html output |
| 98 | $filename = decodeHeader($subject, true, false); //Don't want html output |
| 99 | if ($type1 == 'plain' && $type0 == 'text') |
| 100 | $suffix = 'txt'; |
| 101 | else if ($type1 == 'richtext' && $type0 == 'text') |
| 102 | $suffix = 'rtf'; |
| 103 | else if ($type1 == 'postscript' && $type0 == 'application') |
| 104 | $suffix = 'ps'; |
| 105 | else if ($type1 == 'rfc822' && $type0 == 'message') |
| 106 | $suffix = 'msg'; |
| 107 | else |
| 108 | $suffix = $type1; |
| 109 | |
| 110 | if ($filename == '') |
| 111 | $filename = 'untitled' . strip_tags($ent_id); |
| 112 | $filename = $filename . '.' . $suffix; |
| 113 | } |
| 114 | |
| 115 | /* |
| 116 | * Note: |
| 117 | * The following sections display the attachment in different |
| 118 | * ways depending on how they choose. The first way will download |
| 119 | * under any circumstance. This sets the Content-type to be |
| 120 | * applicatin/octet-stream, which should be interpreted by the |
| 121 | * browser as "download me". |
| 122 | * The second method (view) is used for images or other formats |
| 123 | * that should be able to be handled by the browser. It will |
| 124 | * most likely display the attachment inline inside the browser. |
| 125 | * And finally, the third one will be used by default. If it |
| 126 | * is displayable (text or html), it will load them up in a text |
| 127 | * viewer (built in to squirrelmail). Otherwise, it sets the |
| 128 | * content-type as application/octet-stream |
| 129 | */ |
| 130 | if (isset($absolute_dl) && $absolute_dl) { |
| 131 | SendDownloadHeaders($type0, $type1, $filename, 1); |
| 132 | } else { |
| 133 | SendDownloadHeaders($type0, $type1, $filename, 0); |
| 134 | } |
| 135 | /* be aware that any warning caused by download.php will corrupt the |
| 136 | * attachment in case of ERROR reporting = E_ALL and the output is the screen */ |
| 137 | mime_print_body_lines ($imapConnection, $passed_id, $ent_id, $encoding); |
| 138 | |
| 139 | ?> |