| 1 | <?php |
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| 2 | |
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| 3 | /* |
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| 4 | +-----------------------------------------------------------------------+ |
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| 5 | | program/steps/mail/get.inc | |
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| 6 | | | |
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| 7 | | This file is part of the Roundcube Webmail client | |
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| 8 | | Copyright (C) 2005-2009, The Roundcube Dev Team | |
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| 9 | | Licensed under the GNU GPL | |
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| 10 | | | |
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| 11 | | PURPOSE: | |
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| 12 | | Delivering a specific part of a mail message | |
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| 13 | | | |
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| 14 | +-----------------------------------------------------------------------+ |
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| 15 | | Author: Thomas Bruederli <roundcube@gmail.com> | |
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| 16 | +-----------------------------------------------------------------------+ |
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| 17 | |
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| 18 | $Id$ |
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| 19 | |
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| 20 | */ |
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| 21 | |
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| 22 | |
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| 23 | // show loading page |
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| 24 | if (!empty($_GET['_preload'])) { |
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| 25 | $url = str_replace('&_preload=1', '', $_SERVER['REQUEST_URI']); |
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| 26 | $message = rcube_label('loadingdata'); |
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| 27 | |
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| 28 | header('Content-Type: text/html; charset=' . RCMAIL_CHARSET); |
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| 29 | print "<html>\n<head>\n" |
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| 30 | . '<meta http-equiv="refresh" content="0; url='.Q($url).'">' . "\n" |
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| 31 | . '<meta http-equiv="content-type" content="text/html; charset='.RCMAIL_CHARSET.'">' . "\n" |
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| 32 | . "</head>\n<body>\n$message\n</body>\n</html>"; |
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| 33 | exit; |
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| 34 | } |
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| 35 | |
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| 36 | ob_end_clean(); |
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| 37 | |
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| 38 | // Now we need IMAP connection |
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| 39 | if (!$RCMAIL->imap_connect()) { |
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| 40 | // Get action is often executed simultanously. |
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| 41 | // Some servers have MAXPERIP or other limits. |
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| 42 | // To workaround this we'll wait for some time |
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| 43 | // and try again (once). |
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| 44 | // Note: Random sleep interval is used to minimize concurency |
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| 45 | // in getting message parts |
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| 46 | if (!isset($_GET['_redirected'])) { |
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| 47 | usleep(rand(10,30)*100000); // 1-3 sec. |
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| 48 | header('Location: ' . $_SERVER['REQUEST_URI'] . '&_redirected=1'); |
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| 49 | } |
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| 50 | else { |
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| 51 | raise_error(array( |
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| 52 | 'code' => 500, 'type' => 'php', |
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| 53 | 'file' => __FILE__, 'line' => __LINE__, |
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| 54 | 'message' => 'Unable to get/display message part. IMAP connection error'), |
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| 55 | true, true); |
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| 56 | } |
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| 57 | // Don't kill session, just quit (#1486995) |
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| 58 | exit; |
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| 59 | } |
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| 60 | |
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| 61 | // similar code as in program/steps/mail/show.inc |
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| 62 | if (!empty($_GET['_uid'])) { |
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| 63 | $RCMAIL->config->set('prefer_html', true); |
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| 64 | $MESSAGE = new rcube_message(get_input_value('_uid', RCUBE_INPUT_GET)); |
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| 65 | } |
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| 66 | |
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| 67 | send_nocacheing_headers(); |
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| 68 | |
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| 69 | // show part page |
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| 70 | if (!empty($_GET['_frame'])) { |
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| 71 | $OUTPUT->send('messagepart'); |
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| 72 | exit; |
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| 73 | } |
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| 74 | |
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| 75 | else if ($pid = get_input_value('_part', RCUBE_INPUT_GET)) { |
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| 76 | |
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| 77 | if ($part = $MESSAGE->mime_parts[$pid]) { |
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| 78 | $ctype_primary = strtolower($part->ctype_primary); |
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| 79 | $ctype_secondary = strtolower($part->ctype_secondary); |
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| 80 | $mimetype = sprintf('%s/%s', $ctype_primary, $ctype_secondary); |
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| 81 | |
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| 82 | // allow post-processing of the message body |
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| 83 | $plugin = $RCMAIL->plugins->exec_hook('message_part_get', |
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| 84 | array('id' => $part->mime_id, 'mimetype' => $mimetype, 'part' => $part, 'download' => !empty($_GET['_download']))); |
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| 85 | |
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| 86 | if ($plugin['abort']) |
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| 87 | exit; |
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| 88 | |
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| 89 | // overwrite modified vars from plugin |
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| 90 | $mimetype = $plugin['mimetype']; |
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| 91 | list($ctype_primary, $ctype_secondary) = explode('/', $mimetype); |
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| 92 | if ($plugin['body']) |
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| 93 | $part->body = $plugin['body']; |
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| 94 | |
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| 95 | $browser = $RCMAIL->output->browser; |
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| 96 | |
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| 97 | // send download headers |
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| 98 | if ($plugin['download']) { |
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| 99 | header("Content-Type: application/octet-stream"); |
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| 100 | if ($browser->ie) |
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| 101 | header("Content-Type: application/force-download"); |
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| 102 | } |
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| 103 | else if ($ctype_primary == 'text') { |
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| 104 | header("Content-Type: text/$ctype_secondary; charset=" . ($part->charset ? $part->charset : RCMAIL_CHARSET)); |
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| 105 | } |
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| 106 | else { |
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| 107 | $mimetype = rcmail_fix_mimetype($mimetype); |
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| 108 | header("Content-Type: $mimetype"); |
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| 109 | header("Content-Transfer-Encoding: binary"); |
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| 110 | } |
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| 111 | |
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| 112 | // deliver part content |
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| 113 | if ($ctype_primary == 'text' && $ctype_secondary == 'html' && empty($plugin['download'])) { |
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| 114 | // get part body if not available |
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| 115 | if (!$part->body) |
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| 116 | $part->body = $MESSAGE->get_part_content($part->mime_id); |
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| 117 | |
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| 118 | $OUTPUT = new rcube_html_page(); |
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| 119 | $OUTPUT->write(rcmail_print_body($part, array('safe' => $MESSAGE->is_safe, 'inline_html' => false))); |
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| 120 | } |
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| 121 | else { |
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| 122 | // don't kill the connection if download takes more than 30 sec. |
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| 123 | @set_time_limit(0); |
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| 124 | |
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| 125 | $filename = $part->filename ? $part->filename : ($MESSAGE->subject ? $MESSAGE->subject : 'roundcube') . '.'.$ctype_secondary; |
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| 126 | $filename = preg_replace('[\r\n]', '', $filename); |
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| 127 | |
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| 128 | if ($browser->ie && $browser->ver < 7) |
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| 129 | $filename = rawurlencode(abbreviate_string($filename, 55)); |
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| 130 | else if ($browser->ie) |
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| 131 | $filename = rawurlencode($filename); |
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| 132 | else |
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| 133 | $filename = addcslashes($filename, '"'); |
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| 134 | |
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| 135 | $disposition = !empty($plugin['download']) ? 'attachment' : 'inline'; |
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| 136 | |
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| 137 | header("Content-Disposition: $disposition; filename=\"$filename\""); |
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| 138 | |
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| 139 | // turn off output buffering and print part content |
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| 140 | if ($part->body) |
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| 141 | echo $part->body; |
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| 142 | else if ($part->size) |
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| 143 | $IMAP->get_message_part($MESSAGE->uid, $part->mime_id, $part, true); |
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| 144 | } |
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| 145 | |
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| 146 | exit; |
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| 147 | } |
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| 148 | } |
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| 149 | |
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| 150 | // print message |
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| 151 | else { |
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| 152 | // send correct headers for content type |
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| 153 | header("Content-Type: text/html"); |
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| 154 | |
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| 155 | $cont = "<html>\n<head><title></title>\n</head>\n<body>"; |
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| 156 | $cont .= rcmail_message_body(array()); |
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| 157 | $cont .= "\n</body>\n</html>"; |
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| 158 | |
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| 159 | $OUTPUT = new rcube_html_page(); |
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| 160 | $OUTPUT->write($cont); |
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| 161 | |
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| 162 | exit; |
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| 163 | } |
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| 164 | |
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| 165 | |
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| 166 | // if we arrive here, the requested part was not found |
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| 167 | header('HTTP/1.1 404 Not Found'); |
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| 168 | exit; |
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| 169 | |
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| 170 | |
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