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1 | <?php |
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2 | |
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3 | /** |
4 | * download.php |
5 | * |
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6 | * Copyright (c) 1999-2005 The SquirrelMail Project Team |
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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 | * |
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12 | * @version $Id$ |
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13 | * @package squirrelmail |
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14 | */ |
15 | |
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16 | /** |
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17 | * Path for SquirrelMail required files. |
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18 | * @ignore |
19 | */ |
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20 | define('SM_PATH','../'); |
21 | |
22 | /* SquirrelMail required files. */ |
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23 | require_once(SM_PATH . 'include/validate.php'); |
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24 | require_once(SM_PATH . 'functions/imap.php'); |
25 | require_once(SM_PATH . 'functions/mime.php'); |
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26 | |
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27 | header('Pragma: '); |
28 | header('Cache-Control: cache'); |
29 | |
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30 | /* globals */ |
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31 | sqgetGlobalVar('key', $key, SQ_COOKIE); |
32 | sqgetGlobalVar('username', $username, SQ_SESSION); |
33 | sqgetGlobalVar('onetimepad', $onetimepad, SQ_SESSION); |
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34 | sqgetGlobalVar('mailbox_cache',$mailbox_cache,SQ_SESSION); |
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35 | sqgetGlobalVar('messages', $messages, SQ_SESSION); |
36 | sqgetGlobalVar('mailbox', $mailbox, SQ_GET); |
37 | sqgetGlobalVar('ent_id', $ent_id, SQ_GET); |
38 | sqgetGlobalVar('absolute_dl',$absolute_dl, SQ_GET); |
39 | if ( sqgetGlobalVar('passed_id', $temp, SQ_GET) ) { |
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40 | $passed_id = (int) $temp; |
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41 | } |
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42 | |
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43 | global $default_charset; |
44 | set_my_charset(); |
45 | |
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46 | /* end globals */ |
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47 | |
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48 | $imapConnection = sqimap_login($username, $key, $imapServerAddress, $imapPort, 0); |
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49 | $aMailbox = sqm_api_mailbox_select($imapConnection, $mailbox,array(),array()); |
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50 | |
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51 | if (isset($aMailbox['MSG_HEADERS'][$passed_id]['MESSAGE_OBJECT']) && |
52 | is_object($aMailbox['MSG_HEADERS'][$passed_id]['MESSAGE_OBJECT']) ) { |
53 | $message = $aMailbox['MSG_HEADERS'][$passed_id]['MESSAGE_OBJECT']; |
54 | } else { |
55 | $message = sqimap_get_message($imapConnection, $passed_id, $mailbox); |
56 | $aMailbox['MSG_HEADERS'][$passed_id]['MESSAGE_OBJECT'] = $message; |
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57 | } |
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58 | |
59 | //$mbx_response = sqimap_mailbox_select($imapConnection, $mailbox); |
60 | |
61 | //$message = &$messages[$mbx_response['UIDVALIDITY']]["$passed_id"]; |
62 | //if (!is_object($message)) { |
63 | // $message = sqimap_get_message($imapConnection,$passed_id, $mailbox); |
64 | //} |
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65 | $subject = $message->rfc822_header->subject; |
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66 | if ($ent_id) { |
67 | $message = &$message->getEntity($ent_id); |
68 | $header = $message->header; |
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69 | |
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70 | if ($message->rfc822_header) { |
71 | $subject = $message->rfc822_header->subject; |
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72 | } else { |
73 | $header = $message->header; |
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74 | } |
75 | $type0 = $header->type0; |
76 | $type1 = $header->type1; |
77 | $encoding = strtolower($header->encoding); |
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78 | } else { |
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79 | /* raw message */ |
80 | $type0 = 'message'; |
81 | $type1 = 'rfc822'; |
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82 | $encoding = 'US-ASCII'; |
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83 | $header = $message->header; |
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84 | } |
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85 | |
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86 | /* |
87 | * lets redefine message as this particular entity that we wish to display. |
88 | * it should hold only the header for this entity. We need to fetch the body |
89 | * yet before we can display anything. |
90 | */ |
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91 | |
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92 | if (isset($override_type0)) { |
93 | $type0 = $override_type0; |
94 | } |
95 | if (isset($override_type1)) { |
96 | $type1 = $override_type1; |
97 | } |
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98 | $filename = ''; |
99 | if (is_object($message->header->disposition)) { |
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100 | $filename = $header->disposition->getProperty('filename'); |
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101 | if (!$filename) { |
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102 | $filename = $header->disposition->getProperty('name'); |
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103 | } |
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104 | if (!$filename) { |
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105 | $filename = $header->getParameter('name'); |
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106 | } |
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107 | } else { |
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108 | $filename = $header->getParameter('name'); |
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109 | } |
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110 | |
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111 | $filename = decodeHeader($filename,true,false); |
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112 | $filename = charset_encode($filename,$default_charset,false); |
113 | |
114 | // If name is not set, use subject of email |
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115 | if (strlen($filename) < 1) { |
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116 | $filename = decodeHeader($subject, true, true); |
117 | $filename = charset_encode($filename,$default_charset,false); |
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118 | if ($type1 == 'plain' && $type0 == 'text') |
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119 | $suffix = 'txt'; |
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120 | else if ($type1 == 'richtext' && $type0 == 'text') |
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121 | $suffix = 'rtf'; |
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122 | else if ($type1 == 'postscript' && $type0 == 'application') |
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123 | $suffix = 'ps'; |
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124 | else if ($type1 == 'rfc822' && $type0 == 'message') |
125 | $suffix = 'msg'; |
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126 | else |
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127 | $suffix = $type1; |
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128 | |
129 | if ($filename == '') |
130 | $filename = 'untitled' . strip_tags($ent_id); |
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131 | $filename = $filename . '.' . $suffix; |
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132 | } |
133 | |
134 | /* |
135 | * Note: |
136 | * The following sections display the attachment in different |
137 | * ways depending on how they choose. The first way will download |
138 | * under any circumstance. This sets the Content-type to be |
139 | * applicatin/octet-stream, which should be interpreted by the |
140 | * browser as "download me". |
141 | * The second method (view) is used for images or other formats |
142 | * that should be able to be handled by the browser. It will |
143 | * most likely display the attachment inline inside the browser. |
144 | * And finally, the third one will be used by default. If it |
145 | * is displayable (text or html), it will load them up in a text |
146 | * viewer (built in to squirrelmail). Otherwise, it sets the |
147 | * content-type as application/octet-stream |
148 | */ |
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149 | if (isset($absolute_dl) && $absolute_dl) { |
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150 | SendDownloadHeaders($type0, $type1, $filename, 1); |
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151 | } else { |
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152 | SendDownloadHeaders($type0, $type1, $filename, 0); |
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153 | } |
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154 | /* be aware that any warning caused by download.php will corrupt the |
155 | * attachment in case of ERROR reporting = E_ALL and the output is the screen */ |
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156 | mime_print_body_lines ($imapConnection, $passed_id, $ent_id, $encoding); |
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157 | $mailbox_cache[$aMailbox['NAME']] = $aMailbox; |
158 | sqsession_register($mailbox_cache,'mailbox_cache'); |
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159 | ?> |