attachment_common.php 6.6 KB

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  1. <?php
  2. /**
  3. * attachment_common.php
  4. *
  5. * Copyright (c) 1999-2001 The Squirrelmail Development Team
  6. * Licensed under the GNU GPL. For full terms see the file COPYING.
  7. *
  8. * This file provides the handling of often-used attachment types.
  9. *
  10. * $Id$
  11. */
  12. global $attachment_common_show_images_list;
  13. $attachment_common_show_images_list = array();
  14. global $FileExtensionToMimeType, $attachment_common_types;
  15. $FileExtensionToMimeType = array('bmp' => 'image/x-bitmap',
  16. 'gif' => 'image/gif',
  17. 'htm' => 'text/html',
  18. 'html' => 'text/html',
  19. 'jpg' => 'image/jpeg',
  20. 'jpeg' => 'image/jpeg',
  21. 'php' => 'text/plain',
  22. 'png' => 'image/png',
  23. 'rtf' => 'text/richtext',
  24. 'txt' => 'text/plain',
  25. 'vcf' => 'text/x-vcard');
  26. // Register browser-supported image types
  27. if (isset($attachment_common_types)) {
  28. // Don't run this before being logged in. That may happen
  29. // when plugins include mime.php
  30. foreach ($attachment_common_types as $val => $v) {
  31. if ($val == 'image/gif')
  32. register_attachment_common('image/gif', 'link_image');
  33. elseif (($val == 'image/jpeg' || $val == 'image/pjpeg') and
  34. (!isset($jpeg_done))) {
  35. $jpeg_done = 1;
  36. register_attachment_common('image/jpeg', 'link_image');
  37. register_attachment_common('image/pjpeg', 'link_image');
  38. }
  39. elseif ($val == 'image/png')
  40. register_attachment_common('image/png', 'link_image');
  41. elseif ($val == 'image/x-xbitmap')
  42. register_attachment_common('image/x-xbitmap', 'link_image');
  43. }
  44. unset($jpeg_done);
  45. }
  46. // Register text-type attachments
  47. register_attachment_common('message/rfc822', 'link_text');
  48. register_attachment_common('text/plain', 'link_text');
  49. register_attachment_common('text/richtext', 'link_text');
  50. // Register HTML
  51. register_attachment_common('text/html', 'link_html');
  52. // Register vcards
  53. register_attachment_common('text/x-vcard', 'link_vcard');
  54. // Register "unknown" attachments
  55. register_attachment_common('application/octet-stream', 'octet_stream');
  56. /* Function which optimizes readability of the above code */
  57. function register_attachment_common($type, $func) {
  58. global $squirrelmail_plugin_hooks;
  59. $squirrelmail_plugin_hooks['attachment ' . $type]['attachment_common'] =
  60. 'attachment_common_' . $func;
  61. }
  62. function attachment_common_link_text(&$Args)
  63. {
  64. // If there is a text attachment, we would like to create a 'view' button
  65. // that links to the text attachment viewer.
  66. //
  67. // $Args[1] = the array of actions
  68. //
  69. // Use our plugin name for adding an action
  70. // $Args[1]['attachment_common'] = array for href and text
  71. //
  72. // $Args[1]['attachment_common']['text'] = What is displayed
  73. // $Args[1]['attachment_common']['href'] = Where it links to
  74. //
  75. // This sets the 'href' of this plugin for a new link.
  76. $Args[1]['attachment_common']['href'] = '../src/download.php?startMessage=' .
  77. $Args[2] . '&passed_id=' . $Args[3] . '&mailbox=' . $Args[4] .
  78. '&passed_ent_id=' . $Args[5] . '&override_type0=text&override_type1=plain';
  79. // If we got here from a search, we should preserve these variables
  80. if ($Args[8] && $Args[9])
  81. $Args[1]['attachment_common']['href'] .= '&where=' .
  82. urlencode($Args[8]) . '&what=' . urlencode($Args[9]);
  83. // The link that we created needs a name. "view" will be displayed for
  84. // all text attachments handled by this plugin.
  85. $Args[1]['attachment_common']['text'] = _("view");
  86. // Each attachment has a filename on the left, which is a link.
  87. // Where that link points to can be changed. Just in case the link above
  88. // for viewing text attachments is not the same as the default link for
  89. // this file, we'll change it.
  90. //
  91. // This is a lot better in the image links, since the defaultLink will just
  92. // download the image, but the one that we set it to will format the page
  93. // to have an image tag in the center (looking a lot like this text viewer)
  94. $Args[6] = $Args[1]['attachment_common']['href'];
  95. }
  96. function attachment_common_link_html(&$Args)
  97. {
  98. $Args[1]['attachment_common']['href'] = '../src/download.php?startMessage=' .
  99. $Args[2] . '&passed_id=' . $Args[3] . '&mailbox=' . $Args[4] .
  100. '&passed_ent_id=' . $Args[5] . '&override_type0=text&override_type1=html';
  101. if ($Args[8] && $Args[9])
  102. $Args[1]['attachment_common']['href'] .= '&where=' .
  103. urlencode($Args[8]) . '&what=' . urlencode($Args[9]);
  104. $Args[1]['attachment_common']['text'] = _("view");
  105. $Args[6] = $Args[1]['attachment_common']['href'];
  106. }
  107. function attachment_common_link_image(&$Args)
  108. {
  109. global $attachment_common_show_images, $attachment_common_show_images_list;
  110. $info['passed_id'] = $Args[3];
  111. $info['mailbox'] = $Args[4];
  112. $info['ent_id'] = $Args[5];
  113. $attachment_common_show_images_list[] = $info;
  114. $Args[1]['attachment_common']['href'] = '../src/image.php?startMessage=' .
  115. $Args[2] . '&passed_id=' . $Args[3] . '&mailbox=' . $Args[4] .
  116. '&passed_ent_id=' . $Args[5];
  117. if ($Args[8] && $Args[9])
  118. $Args[1]['attachment_common']['href'] .= '&where=' .
  119. urlencode($Args[8]) . '&what=' . urlencode($Args[9]);
  120. $Args[1]['attachment_common']['text'] = _("view");
  121. $Args[6] = $Args[1]['attachment_common']['href'];
  122. }
  123. function attachment_common_link_vcard(&$Args)
  124. {
  125. $Args[1]['attachment_common']['href'] = '../src/vcard.php?startMessage=' .
  126. $Args[2] . '&passed_id=' . $Args[3] . '&mailbox=' . $Args[4] .
  127. '&passed_ent_id=' . $Args[5];
  128. if (isset($where) && isset($what))
  129. $Args[1]['attachment_common']['href'] .= '&where=' .
  130. urlencode($Args[8]) . '&what=' . urlencode($Args[9]);
  131. $Args[1]['attachment_common']['text'] = _("Business Card");
  132. $Args[6] = $Args[1]['attachment_common']['href'];
  133. }
  134. function attachment_common_octet_stream(&$Args)
  135. {
  136. global $FileExtensionToMimeType;
  137. do_hook('attachment_common-load_mime_types');
  138. ereg('\\.([^\\.]+)$', $Args[7], $Regs);
  139. $Ext = strtolower($Regs[1]);
  140. if ($Ext == '' || ! isset($FileExtensionToMimeType[$Ext]))
  141. return;
  142. $Ret = do_hook('attachment ' . $FileExtensionToMimeType[$Ext],
  143. $Args[1], $Args[2], $Args[3], $Args[4], $Args[5], $Args[6],
  144. $Args[7], $Args[8], $Args[9]);
  145. foreach ($Ret as $a => $b) {
  146. $Args[$a] = $b;
  147. }
  148. }
  149. ?>