| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * attachment_common.php |
| 5 | * |
| 6 | * Copyright (c) 1999-2002 The SquirrelMail Project Team |
| 7 | * Licensed under the GNU GPL. For full terms see the file COPYING. |
| 8 | * |
| 9 | * This file provides the handling of often-used attachment types. |
| 10 | * |
| 11 | * $Id$ |
| 12 | */ |
| 13 | |
| 14 | /*****************************************************************/ |
| 15 | /*** THIS FILE NEEDS TO HAVE ITS FORMATTING FIXED!!! ***/ |
| 16 | /*** PLEASE DO SO AND REMOVE THIS COMMENT SECTION. ***/ |
| 17 | /*** + Base level indent should begin at left margin, as ***/ |
| 18 | /*** the $attachment_common_show_images_list stuff below. ***/ |
| 19 | /*** + All identation should consist of four space blocks ***/ |
| 20 | /*** + Tab characters are evil. ***/ |
| 21 | /*** + all comments should use "slash-star ... star-slash" ***/ |
| 22 | /*** style -- no pound characters, no slash-slash style ***/ |
| 23 | /*** + FLOW CONTROL STATEMENTS (if, while, etc) SHOULD ***/ |
| 24 | /*** ALWAYS USE { AND } CHARACTERS!!! ***/ |
| 25 | /*** + Please use ' instead of ", when possible. Note " ***/ |
| 26 | /*** should always be used in _( ) function calls. ***/ |
| 27 | /*** Thank you for your help making the SM code more readable. ***/ |
| 28 | /*****************************************************************/ |
| 29 | |
| 30 | global $attachment_common_show_images_list; |
| 31 | $attachment_common_show_images_list = array(); |
| 32 | |
| 33 | global $FileExtensionToMimeType, $attachment_common_types; |
| 34 | $FileExtensionToMimeType = array('bmp' => 'image/x-bitmap', |
| 35 | 'gif' => 'image/gif', |
| 36 | 'htm' => 'text/html', |
| 37 | 'html' => 'text/html', |
| 38 | 'jpg' => 'image/jpeg', |
| 39 | 'jpeg' => 'image/jpeg', |
| 40 | 'php' => 'text/plain', |
| 41 | 'png' => 'image/png', |
| 42 | 'rtf' => 'text/richtext', |
| 43 | 'txt' => 'text/plain', |
| 44 | 'vcf' => 'text/x-vcard'); |
| 45 | |
| 46 | // Register browser-supported image types |
| 47 | if (isset($attachment_common_types)) { |
| 48 | // Don't run this before being logged in. That may happen |
| 49 | // when plugins include mime.php |
| 50 | foreach ($attachment_common_types as $val => $v) { |
| 51 | if ($val == 'image/gif') |
| 52 | register_attachment_common('image/gif', 'link_image'); |
| 53 | elseif (($val == 'image/jpeg' || $val == 'image/pjpeg') and |
| 54 | (!isset($jpeg_done))) { |
| 55 | $jpeg_done = 1; |
| 56 | register_attachment_common('image/jpeg', 'link_image'); |
| 57 | register_attachment_common('image/pjpeg', 'link_image'); |
| 58 | } |
| 59 | elseif ($val == 'image/png') |
| 60 | register_attachment_common('image/png', 'link_image'); |
| 61 | elseif ($val == 'image/x-xbitmap') |
| 62 | register_attachment_common('image/x-xbitmap', 'link_image'); |
| 63 | } |
| 64 | unset($jpeg_done); |
| 65 | } |
| 66 | |
| 67 | // Register text-type attachments |
| 68 | register_attachment_common('message/rfc822', 'link_text'); |
| 69 | register_attachment_common('text/plain', 'link_text'); |
| 70 | register_attachment_common('text/richtext', 'link_text'); |
| 71 | |
| 72 | // Register HTML |
| 73 | register_attachment_common('text/html', 'link_html'); |
| 74 | |
| 75 | // Register vcards |
| 76 | register_attachment_common('text/x-vcard', 'link_vcard'); |
| 77 | |
| 78 | // Register "unknown" attachments |
| 79 | register_attachment_common('application/octet-stream', 'octet_stream'); |
| 80 | |
| 81 | |
| 82 | /* Function which optimizes readability of the above code */ |
| 83 | |
| 84 | function register_attachment_common($type, $func) { |
| 85 | global $squirrelmail_plugin_hooks; |
| 86 | $squirrelmail_plugin_hooks['attachment ' . $type]['attachment_common'] = |
| 87 | 'attachment_common_' . $func; |
| 88 | } |
| 89 | |
| 90 | |
| 91 | function attachment_common_link_text(&$Args) |
| 92 | { |
| 93 | // If there is a text attachment, we would like to create a 'view' button |
| 94 | // that links to the text attachment viewer. |
| 95 | // |
| 96 | // $Args[1] = the array of actions |
| 97 | // |
| 98 | // Use our plugin name for adding an action |
| 99 | // $Args[1]['attachment_common'] = array for href and text |
| 100 | // |
| 101 | // $Args[1]['attachment_common']['text'] = What is displayed |
| 102 | // $Args[1]['attachment_common']['href'] = Where it links to |
| 103 | // |
| 104 | // This sets the 'href' of this plugin for a new link. |
| 105 | $Args[1]['attachment_common']['href'] = '../src/download.php?startMessage=' . |
| 106 | $Args[2] . '&passed_id=' . $Args[3] . '&mailbox=' . $Args[4] . |
| 107 | '&passed_ent_id=' . $Args[5] . '&override_type0=text&override_type1=plain'; |
| 108 | |
| 109 | // If we got here from a search, we should preserve these variables |
| 110 | if ($Args[8] && $Args[9]) |
| 111 | $Args[1]['attachment_common']['href'] .= '&where=' . |
| 112 | urlencode($Args[8]) . '&what=' . urlencode($Args[9]); |
| 113 | |
| 114 | // The link that we created needs a name. "view" will be displayed for |
| 115 | // all text attachments handled by this plugin. |
| 116 | $Args[1]['attachment_common']['text'] = _("view"); |
| 117 | |
| 118 | // Each attachment has a filename on the left, which is a link. |
| 119 | // Where that link points to can be changed. Just in case the link above |
| 120 | // for viewing text attachments is not the same as the default link for |
| 121 | // this file, we'll change it. |
| 122 | // |
| 123 | // This is a lot better in the image links, since the defaultLink will just |
| 124 | // download the image, but the one that we set it to will format the page |
| 125 | // to have an image tag in the center (looking a lot like this text viewer) |
| 126 | $Args[6] = $Args[1]['attachment_common']['href']; |
| 127 | } |
| 128 | |
| 129 | |
| 130 | function attachment_common_link_html(&$Args) |
| 131 | { |
| 132 | $Args[1]['attachment_common']['href'] = '../src/download.php?startMessage=' . |
| 133 | $Args[2] . '&passed_id=' . $Args[3] . '&mailbox=' . $Args[4] . |
| 134 | '&passed_ent_id=' . $Args[5] . '&override_type0=text&override_type1=html'; |
| 135 | |
| 136 | if ($Args[8] && $Args[9]) |
| 137 | $Args[1]['attachment_common']['href'] .= '&where=' . |
| 138 | urlencode($Args[8]) . '&what=' . urlencode($Args[9]); |
| 139 | |
| 140 | $Args[1]['attachment_common']['text'] = _("view"); |
| 141 | |
| 142 | $Args[6] = $Args[1]['attachment_common']['href']; |
| 143 | } |
| 144 | |
| 145 | |
| 146 | function attachment_common_link_image(&$Args) |
| 147 | { |
| 148 | global $attachment_common_show_images, $attachment_common_show_images_list; |
| 149 | |
| 150 | $info['passed_id'] = $Args[3]; |
| 151 | $info['mailbox'] = $Args[4]; |
| 152 | $info['ent_id'] = $Args[5]; |
| 153 | |
| 154 | $attachment_common_show_images_list[] = $info; |
| 155 | |
| 156 | $Args[1]['attachment_common']['href'] = '../src/image.php?startMessage=' . |
| 157 | $Args[2] . '&passed_id=' . $Args[3] . '&mailbox=' . $Args[4] . |
| 158 | '&passed_ent_id=' . $Args[5]; |
| 159 | |
| 160 | if ($Args[8] && $Args[9]) |
| 161 | $Args[1]['attachment_common']['href'] .= '&where=' . |
| 162 | urlencode($Args[8]) . '&what=' . urlencode($Args[9]); |
| 163 | |
| 164 | $Args[1]['attachment_common']['text'] = _("view"); |
| 165 | |
| 166 | $Args[6] = $Args[1]['attachment_common']['href']; |
| 167 | } |
| 168 | |
| 169 | |
| 170 | function attachment_common_link_vcard(&$Args) |
| 171 | { |
| 172 | $Args[1]['attachment_common']['href'] = '../src/vcard.php?startMessage=' . |
| 173 | $Args[2] . '&passed_id=' . $Args[3] . '&mailbox=' . $Args[4] . |
| 174 | '&passed_ent_id=' . $Args[5]; |
| 175 | |
| 176 | if (isset($where) && isset($what)) |
| 177 | $Args[1]['attachment_common']['href'] .= '&where=' . |
| 178 | urlencode($Args[8]) . '&what=' . urlencode($Args[9]); |
| 179 | |
| 180 | $Args[1]['attachment_common']['text'] = _("Business Card"); |
| 181 | |
| 182 | $Args[6] = $Args[1]['attachment_common']['href']; |
| 183 | } |
| 184 | |
| 185 | |
| 186 | function attachment_common_octet_stream(&$Args) |
| 187 | { |
| 188 | global $FileExtensionToMimeType; |
| 189 | |
| 190 | do_hook('attachment_common-load_mime_types'); |
| 191 | |
| 192 | ereg('\\.([^\\.]+)$', $Args[7], $Regs); |
| 193 | |
| 194 | $Ext = strtolower($Regs[1]); |
| 195 | |
| 196 | if ($Ext == '' || ! isset($FileExtensionToMimeType[$Ext])) |
| 197 | return; |
| 198 | |
| 199 | $Ret = do_hook('attachment ' . $FileExtensionToMimeType[$Ext], |
| 200 | $Args[1], $Args[2], $Args[3], $Args[4], $Args[5], $Args[6], |
| 201 | $Args[7], $Args[8], $Args[9]); |
| 202 | |
| 203 | foreach ($Ret as $a => $b) { |
| 204 | $Args[$a] = $b; |
| 205 | } |
| 206 | } |
| 207 | |
| 208 | ?> |