page_header.php 13 KB

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  1. <?php
  2. /**
  3. * page_header.php
  4. *
  5. * Prints the page header (duh)
  6. *
  7. * @copyright &copy; 1999-2007 The SquirrelMail Project Team
  8. * @license http://opensource.org/licenses/gpl-license.php GNU Public License
  9. * @version $Id$
  10. * @package squirrelmail
  11. */
  12. /** Include required files from SM */
  13. include_once(SM_PATH . 'functions/imap_mailbox.php');
  14. /**
  15. * Output a SquirrelMail page header, from <!doctype> to </head>
  16. * Always set up the language before calling these functions.
  17. *
  18. * Since 1.5.1 function sends http headers. Function should be called
  19. * before any output is started.
  20. * @param string title the page title, default SquirrelMail.
  21. * @param string xtra extra HTML to insert into the header
  22. * @param bool do_hook whether to execute hooks, default true
  23. * @param bool frames generate html frameset doctype (since 1.5.1)
  24. * @return void
  25. */
  26. function displayHtmlHeader( $title = 'SquirrelMail', $xtra = '', $do_hook = TRUE, $frames = FALSE ) {
  27. global $squirrelmail_language, $sTemplateID, $oErrorHandler, $oTemplate;
  28. if ( !sqgetGlobalVar('base_uri', $base_uri, SQ_SESSION) ) {
  29. global $base_uri;
  30. }
  31. global $custom_css, $pageheader_sent, $theme, $theme_default, $text_direction,
  32. $default_fontset, $chosen_fontset, $default_fontsize, $chosen_fontsize,
  33. $chosen_theme, $chosen_theme_path, $user_themes, $user_theme_default;
  34. /* add no cache headers here */
  35. //FIXME: should change all header() calls in SM core to use $oTemplate->header()!!
  36. $oTemplate->header('Pragma: no-cache'); // http 1.0 (rfc1945)
  37. $oTemplate->header('Cache-Control: private, no-cache, no-store'); // http 1.1 (rfc2616)
  38. // don't show version as a security measure
  39. //$oTemplate->header('X-Powered-By: SquirrelMail/' . SM_VERSION, FALSE);
  40. $oTemplate->header('X-Powered-By: SquirrelMail', FALSE);
  41. $oTemplate->assign('frames', $frames);
  42. $oTemplate->assign('lang', $squirrelmail_language);
  43. $header_tags = '';
  44. $header_tags .= "<meta name=\"robots\" content=\"noindex,nofollow\" />\n";
  45. $used_fontset = (!empty($chosen_fontset) ? $chosen_fontset : $default_fontset);
  46. $used_fontsize = (!empty($chosen_fontsize) ? $chosen_fontsize : $default_fontsize);
  47. $used_theme = !isset($chosen_theme) && $user_theme_default != 'none' && is_dir($chosen_theme) && is_readable($chosen_theme)? $user_themes[$user_theme_default]['PATH'].'/default.css' : $chosen_theme_path;
  48. /**
  49. * Stylesheets are loaded in the following order:
  50. * 1) All stylesheets provided by the template. Normally, these are
  51. * stylsheets in templates/<template>/css/. This is accomplished by calling
  52. * $oTemplate->fetch_standard_stylesheet_links().
  53. * 2) An optional user-defined stylesheet. This is set in the Display
  54. * Preferences.
  55. * 3) src/style.php which sets some basic font prefs.
  56. * 4) If we are dealing with an RTL language, we load rtl.css from the
  57. * template set.
  58. */
  59. // 1. Stylesheets from the template.
  60. $header_tags .= $oTemplate->fetch_standard_stylesheet_links();
  61. $aUserStyles = array();
  62. // 2. Option user-defined stylesheet from preferences.
  63. if (!empty($used_theme) && $used_theme != 'none') {
  64. /**
  65. * All styles (except "none" - ugh) just point to a directory,
  66. * so we need to include all .css files in that directory.
  67. */
  68. //FIXME: rid ourselves of "none" strings! I didn't do it here because I think the problem is that the theme itself should never be "none" (? well, what else would it be? if "none" theme is actually OK, then is there a constant to use below in stead of a hard-coded string?)
  69. $styles = $used_theme == 'none' ? array()
  70. : list_files($used_theme, '.css');
  71. foreach ($styles as $sheet) {
  72. $aUserStyles[] = $used_theme .'/'.$sheet;
  73. }
  74. }
  75. // 3. src/style.php
  76. $aUserStyles[] = $base_uri .'src/style.php?'
  77. . (!empty($used_fontset) ? '&amp;fontset='.$used_fontset : '')
  78. . (!empty($used_fontsize) ? '&amp;fontsize='.$used_fontsize : '');
  79. // 3.1. Load the stylesheets we have already
  80. $header_tags .= $oTemplate->fetch_external_stylesheet_links($aUserStyles);
  81. // 4. Optional rtl.css stylesheet
  82. if ($text_direction == 'rtl') {
  83. $header_tags .= $oTemplate->fetch_right_to_left_stylesheet_link();
  84. }
  85. // 5. Printer friendly stylesheet
  86. $header_tags .= create_css_link($base_uri . 'css/print.css', 'printerfriendly', false, 'print');
  87. if ($squirrelmail_language == 'ja_JP') {
  88. /*
  89. * force correct detection of charset, when browser does not follow
  90. * http content-type and tries to detect charset from page content.
  91. * Shooting of browser's creator can't be implemented in php.
  92. * We might get rid of it, if we follow http://www.w3.org/TR/japanese-xml/
  93. * recommendations and switch to unicode.
  94. */
  95. $header_tags .= "<!-- \xfd\xfe -->\n";
  96. $header_tags .= '<meta http-equiv="Content-type" content="' . $oTemplate->get_content_type() . '; charset=euc-jp" />' . "\n";
  97. }
  98. if ($do_hook) {
  99. // NOTE! plugins here MUST assign output to template
  100. // and NOT echo anything directly!! A common
  101. // approach is if a plugin decides it needs to
  102. // put something at page-top after the standard
  103. // SM page header, to dynamically add itself to
  104. // the page_header_bottom and/or compose_header_bottom
  105. // hooks for the current page request. See
  106. // the Sent Confirmation v1.7 or Restrict Senders v1.2
  107. // plugins for examples of this approach.
  108. ob_start();
  109. $temp = array(&$header_tags);
  110. do_hook('generic_header', $temp);
  111. $output = ob_get_contents();
  112. ob_end_clean();
  113. // plugin authors can debug their errors with one of the following:
  114. //sm_print_r($output);
  115. //echo $output;
  116. if (!empty($output)) trigger_error('A plugin on the "generic_header" hook has attempted to output directly to the browser', E_USER_ERROR);
  117. }
  118. $header_tags .= $xtra;
  119. $oTemplate->assign('page_title', $title);
  120. /* work around IE6's scrollbar bug */
  121. $header_tags .= <<<EOS
  122. <!--[if IE 6]>
  123. <style type="text/css">
  124. /* avoid stupid IE6 bug with frames and scrollbars */
  125. body {
  126. width: expression(document.documentElement.clientWidth - 30);
  127. }
  128. </style>
  129. <![endif]-->
  130. EOS;
  131. $oTemplate->assign('header_tags', $header_tags);
  132. $oTemplate->display('protocol_header.tpl');
  133. /* this is used to check elsewhere whether we should call this function */
  134. $pageheader_sent = TRUE;
  135. if (isset($oErrorHandler)) {
  136. $oErrorHandler->HeaderSent();
  137. }
  138. }
  139. /**
  140. * Given a path to a SquirrelMail file, return a HTML link to it
  141. *
  142. * @param string path the SquirrelMail file to link to
  143. * @param string text the link text
  144. * @param string target the target frame for this link
  145. */
  146. function makeInternalLink($path, $text, $target='') {
  147. global $base_uri, $oTemplate;
  148. // sqgetGlobalVar('base_uri', $base_uri, SQ_SESSION);
  149. // This is an inefficient hook and is only used by
  150. // one plugin that still needs to patch this code,
  151. // plus if we are templat-izing SM, visual hooks
  152. // are not needed. However, I am leaving the code
  153. // here just in case we find a good (non-visual?)
  154. // use for the internal_link hook.
  155. //
  156. //do_hook('internal_link', $text);
  157. return create_hyperlink($base_uri . $path, $text, $target);
  158. }
  159. /**
  160. * Outputs a complete SquirrelMail page header, starting with <!doctype> and
  161. * including the default menu bar. Uses displayHtmlHeader and takes
  162. * JavaScript and locale settings into account.
  163. *
  164. * @param array color the array of theme colors
  165. * @param string mailbox the current mailbox name to display
  166. * @param string sHeaderJs javascipt code to be inserted in a script block in the header
  167. * @param string sBodyTagJs js events to be inserted in the body tag
  168. * @return void
  169. */
  170. function displayPageHeader($color, $mailbox='', $sHeaderJs='', $sBodyTagJs = '') {
  171. global $reply_focus, $hide_sm_attributions, $frame_top,
  172. $provider_name, $provider_uri, $startMessage,
  173. $action, $oTemplate, $org_title, $base_uri,
  174. $data_dir, $username;
  175. //FIXME: $sBodyTag should be turned into $sOnload and should only contain the contents of the onload attribute (not the attribute name nor any quotes).... only question is if anyone was using $sBodyTag for anything but onload event handlers? (see function compose_Header() below for how to fix it once we confirm it can be changed)
  176. if (empty($sBodyTagJs)) {
  177. if (strpos($action, 'reply') !== FALSE && $reply_focus) {
  178. if ($reply_focus == 'select')
  179. $sBodyTagJs = 'onload="checkForm(\'select\');"';
  180. else if ($reply_focus == 'focus')
  181. $sBodyTagJs = 'onload="checkForm(\'focus\');"';
  182. else if ($reply_focus != 'none')
  183. $sBodyTagJs = 'onload="checkForm();"';
  184. }
  185. else
  186. $sBodyTagJs = 'onload="checkForm();"';
  187. }
  188. $startMessage = (int)$startMessage;
  189. sqgetGlobalVar('delimiter', $delimiter, SQ_SESSION );
  190. if (!isset($frame_top)) {
  191. $frame_top = '_top';
  192. }
  193. //FIXME: does checkForJavascript() make the 2nd part of the if() below unneccessary??
  194. if( checkForJavascript() || strpos($sHeaderJs, 'new_js_autodetect_results.value') ) {
  195. $js_includes = $oTemplate->get_javascript_includes(TRUE);
  196. $sJsBlock = '';
  197. foreach ($js_includes as $js_file) {
  198. $sJsBlock .= '<script src="'.$js_file.'" type="text/javascript"></script>' ."\n";
  199. }
  200. if ($sHeaderJs) {
  201. $sJsBlock .= "\n<script type=\"text/javascript\">" .
  202. "\n<!--\n" .
  203. $sHeaderJs . "\n\n// -->\n</script>\n";
  204. }
  205. displayHtmlHeader ($org_title, $sJsBlock);
  206. } else {
  207. /* do not use JavaScript */
  208. displayHtmlHeader ($org_title);
  209. $sBodyTagJs = '';
  210. }
  211. if ($mailbox) {
  212. /*
  213. * this explains the imap_mailbox.php dependency. We should instead store
  214. * the selected mailbox in the session and fallback to the session var.
  215. */
  216. $shortBoxName = htmlspecialchars(imap_utf7_decode_local(
  217. readShortMailboxName($mailbox, $delimiter)));
  218. if (getPref($data_dir, $username, 'translate_special_folders')) {
  219. $shortBoxName = _($shortBoxName);
  220. }
  221. $urlMailbox = urlencode($mailbox);
  222. } else {
  223. $shortBoxName = '';
  224. $urlMailbox = '';
  225. }
  226. $provider_link = '';
  227. if (!empty($provider_uri) && !empty($provider_name) && $provider_name != 'SquirrelMail') {
  228. $provider_link = create_hyperlink($provider_uri, $provider_name, '_blank');
  229. }
  230. $oTemplate->assign('body_tag_js', $sBodyTagJs);
  231. $oTemplate->assign('shortBoxName', $shortBoxName);
  232. $oTemplate->assign('provider_link', $provider_link);
  233. $oTemplate->assign('frame_top', $frame_top);
  234. $oTemplate->assign('urlMailbox', $urlMailbox);
  235. $oTemplate->assign('startMessage', $startMessage);
  236. $oTemplate->assign('hide_sm_attributions', $hide_sm_attributions);
  237. $oTemplate->display('page_header.tpl');
  238. global $null;
  239. do_hook('page_header_bottom', $null);
  240. }
  241. /**
  242. * Blatantly copied/truncated/modified from displayPageHeader.
  243. * Outputs a page header specifically for the compose_in_new popup window
  244. *
  245. * @param array color the array of theme colors
  246. * @param string mailbox the current mailbox name to display
  247. * @param string sHeaderJs javascipt code to be inserted in a script block in the header
  248. * @param string sOnload JavaScript code to be added inside the body's onload handler
  249. * as of 1.5.2, this replaces $sBodyTagJs argument
  250. * @return void
  251. */
  252. function compose_Header($color, $mailbox, $sHeaderJs='', $sOnload = '') {
  253. global $reply_focus, $action, $oTemplate;
  254. if (empty($sOnload)) {
  255. if (strpos($action, 'reply') !== FALSE && $reply_focus) {
  256. if ($reply_focus == 'select')
  257. $sOnload = 'checkForm(\'select\');';
  258. else if ($reply_focus == 'focus')
  259. $sOnload = 'checkForm(\'focus\');';
  260. else if ($reply_focus != 'none')
  261. $sOnload = 'checkForm();';
  262. }
  263. else
  264. $sOnload = 'checkForm();';
  265. }
  266. /*
  267. * Locate the first displayable form element (only when JavaScript on)
  268. */
  269. if(checkForJavascript()) {
  270. if ($sHeaderJs) {
  271. $sJsBlock = "\n<script type=\"text/javascript\">" .
  272. "\n<!--\n" .
  273. $sHeaderJs . "\n\n// -->\n</script>\n";
  274. } else {
  275. $sJsBlock = '';
  276. }
  277. $sJsBlock .= "\n";
  278. $js_includes = $oTemplate->get_javascript_includes(TRUE);
  279. foreach ($js_includes as $js_file) {
  280. $sJsBlock .= '<script src="'.$js_file.'" type="text/javascript"></script>' ."\n";
  281. }
  282. displayHtmlHeader (_("Compose"), $sJsBlock);
  283. } else {
  284. /* javascript off */
  285. displayHtmlHeader(_("Compose"));
  286. $onload = '';
  287. }
  288. // FIXME: change the colorization attributes below to a CSS class!
  289. $class = '';
  290. $aAttribs = array('text' => $color[8], 'bgcolor' => $color[4],
  291. 'link' => $color[7], 'vlink' => $color[7],
  292. 'alink' => $color[7]);
  293. // this is template-safe (see create_body() function)
  294. echo create_body($sOnload, $class, $aAttribs);
  295. global $null;
  296. do_hook('compose_header_bottom', $null);
  297. }