- /**
- ** help.php
- **
- ** Copyright (c) 1999-2000 The SquirrelMail development team
- ** Licensed under the GNU GPL. For full terms see the file COPYING.
- **
- ** This checks if the user's preferred language has a directory and file present
- ** then loads it or english if preferred is not found.
- **
- **/
-
- if (!isset($config_php))
- include("../config/config.php");
-
-/** If it was a successful login, lets load their preferences **/
- include("../src/load_prefs.php");
- echo "<BODY TEXT=\"$color[8]\" BGCOLOR=\"$color[4]\" LINK=\"$color[7]\" VLINK=\"$color[7]\" ALINK=\"$color[7]\">\n";
-
-/**
- ** Check to see if the help files have been translated into the users language
- ** If so, include them, if not, give them english. The po file should really have
- ** The echo line put in it.
- **/
-
- if (file_exists("../help/$user_language/basic.hlp")) {
- include ("../help/$user_language/basic.hlp");
- } elseif(file_exists("../help/en/basic.hlp")) {
- echo "<CENTER><B><FONT COLOR=$color[2]>";
- echo _("Your preferred language is not yet translated. English will be substituted here.");
- echo "</FONT></B></CENTER><BR>";
- include ("../help/en/basic.hlp");
- } else {
- $nohelp = true;
- }
- if (file_exists("../help/$user_language/main_folder.hlp")) {
- include ("../help/$user_language/main_folder.hlp");
- } elseif(file_exists("../help/en/main_folder.hlp")) {
- echo "<CENTER><B><FONT COLOR=$color[2]>";
- echo _("Your preferred language is not yet translated. English will be substituted here.");
- echo "</FONT></B></CENTER><BR>";
- include ("../help/en/main_folder.hlp");
- } else {
- $nohelp = true;
- }
- if (file_exists("../help/$user_language/read_mail.hlp")) {
- include ("../help/$user_language/read_mail.hlp");
- } elseif(file_exists("../help/en/read_mail.hlp")) {
- echo "<CENTER><B><FONT COLOR=$color[2]>";
- echo _("Your preferred language is not yet translated. English will be substituted here.");
- echo "</FONT></B></CENTER><BR>";
- include ("../help/en/read_mail.hlp");
- } else {
- $nohelp = true;
- }
- if (file_exists("../help/$user_language/compose.hlp")) {
- include ("../help/$user_language/compose.hlp");
- } elseif(file_exists("../help/en/compose.hlp")) {
- echo "<CENTER><B><FONT COLOR=$color[2]>Your preferred language is not yet translated. English will be substituted here.</FONT></B></CENTER><BR>";
- echo "<CENTER><B><FONT COLOR=$color[2]>";
- echo _("Your preferred language is not yet translated. English will be substituted here.");
- echo "</FONT></B></CENTER><BR>";
- include ("../help/en/compose.hlp");
- } else {
- $nohelp = true;
- }
- if (file_exists("../help/$user_language/addresses.hlp")) {
- include ("../help/$user_language/addresses.hlp");
- } elseif(file_exists("../help/en/addresses.hlp")) {
- echo "<CENTER><B><FONT COLOR=$color[2]>";
- echo _("Your preferred language is not yet translated. English will be substituted here.");
- echo "</FONT></B></CENTER><BR>";
- include ("../help/en/addresses.hlp");
- } else {
- $nohelp = true;
- }
- if (file_exists("../help/$user_language/folders.hlp")) {
- include ("../help/$user_language/folders.hlp");
- } elseif(file_exists("../help/en/folders.hlp")) {
- echo "<CENTER><B><FONT COLOR=$color[2]>";
- echo _("Your preferred language is not yet translated. English will be substituted here.");
- echo "</FONT></B></CENTER><BR>";
- include ("../help/en/folders.hlp");
- } else {
- $nohelp = true;
- }
- if (file_exists("../help/$user_language/options.hlp")) {
- include ("../help/$user_language/options.hlp");
- } elseif(file_exists("../help/en/options.hlp")) {
- echo "<CENTER><B><FONT COLOR=$color[2]>";
- echo _("Your preferred language is not yet translated. English will be substituted here.");
- echo "</FONT></B></CENTER><BR>";
- include ("../help/en/options.hlp");
- } else {
- $nohelp = true;
- }
- if (file_exists("../help/$user_language/FAQ.hlp")) {
- include ("../help/$user_language/FAQ.hlp");
- } elseif(file_exists("../help/en/FAQ.hlp")) {
- echo "<CENTER><B><FONT COLOR=$color[2]>";
- echo _("Your preferred language is not yet translated. English will be substituted here.");
- echo "</FONT></B></CENTER><BR>";
- include ("../help/en/FAQ.hlp");
- } else {
- $nohelp = true;
- }
-// If any of the standard help files aren't there, tell them.
-
- if($nohelp) {
- echo "<BR><CENTER><B><FONT COLOR=$color[2]>",_("ERROR: Some or all of the standard English help files ar missing."), "</FONT></B></CENTER><BR>";
- }
-
-?>
-</BODY>
-</HTML>
+/**
+ * help.php
+ *
+ * Displays help for the user
+ *
+ * @copyright 1999-2020 The SquirrelMail Project Team
+ * @license http://opensource.org/licenses/gpl-license.php GNU Public License
+ * @version $Id$
+ * @package squirrelmail
+ */
+
+/** This is the help page */
+define('PAGE_NAME', 'help');
+
+/**
+ * Include the SquirrelMail initialization file.
+ */
+require('../include/init.php');
+
+displayPageHeader($color);
+
+$helpdir[0] = 'basic.hlp';
+$helpdir[1] = 'main_folder.hlp';
+$helpdir[2] = 'read_mail.hlp';
+$helpdir[3] = 'compose.hlp';
+$helpdir[4] = 'addresses.hlp';
+$helpdir[5] = 'folders.hlp';
+$helpdir[6] = 'options.hlp';
+$helpdir[7] = 'search.hlp';
+$helpdir[8] = 'FAQ.hlp';
+
+/****************[ HELP FUNCTIONS ]********************/
+
+/**
+ * parses through and gets the information from the different documents.
+ * this returns one section at a time. You must keep track of the position
+ * so that it knows where to start to look for the next section.
+ */
+
+function get_info($doc, $pos) {
+ $ary = array(0,0,0);
+
+ $cntdoc = count($doc);
+
+ for ($n=$pos; $n < $cntdoc; $n++) {
+ if (trim(strtolower($doc[$n])) == '<chapter>'
+ || trim(strtolower($doc[$n])) == '<section>') {
+ for ($n++; $n < $cntdoc
+ && (trim(strtolower($doc[$n])) != '</section>')
+ && (trim(strtolower($doc[$n])) != '</chapter>'); $n++) {
+ if (trim(strtolower($doc[$n])) == '<title>') {
+ $n++;
+ $ary[0] = trim($doc[$n]);
+ }
+ if (trim(strtolower($doc[$n])) == '<description>') {
+ $ary[1] = '';
+ for ($n++;$n < $cntdoc
+ && (trim(strtolower($doc[$n])) != '</description>');
+ $n++) {
+ $ary[1] .= $doc[$n];
+ }
+ }
+ if (trim(strtolower($doc[$n])) == '<summary>') {
+ $ary[2] = '';
+ for ($n++; $n < $cntdoc
+ && (trim(strtolower($doc[$n])) != '</summary>');
+ $n++) {
+ $ary[2] .= $doc[$n];
+ }
+ }
+ }
+ if (isset($ary)) {
+ $ary[3] = $n;
+ } else {
+ $ary[0] = _("ERROR: Help files are not in the right format!");
+ $ary[1] = $ary[0];
+ $ary[2] = $ary[0];
+ }
+ return( $ary );
+ } else if (!trim(strtolower($doc[$n]))) {
+ $ary[0] = '';
+ $ary[1] = '';
+ $ary[2] = '';
+ $ary[3] = $n;
+ }
+ }
+ $ary[0] = _("ERROR: Help files are not in the right format!");
+ $ary[1] = $ary[0];
+ $ary[2] = $ary[0];
+ $ary[3] = $n;
+ return( $ary );
+}
+
+/**************[ END HELP FUNCTIONS ]******************/
+
+do_hook('help_top', $null);
+
+if (!isset($squirrelmail_language)) {
+ $squirrelmail_language = 'en_US';
+}
+
+if (file_exists("../help/$squirrelmail_language")) {
+ $user_language = $squirrelmail_language;
+} else if (file_exists('../help/en_US')) {
+ error_box(_("Help is not available in the selected language. It will be displayed in English instead."));
+ echo '<br />';
+ $user_language = 'en_US';
+} else {
+ error_box( _("Help is not available. Please contact your system administrator for assistance."));
+ echo '</td></tr></table>';
+ // Display footer (closes HTML tags) and stop script execution.
+ $oTemplate->display('footer.tpl');
+ exit;
+}
+
+
+/* take the chapternumber from the GET-vars,
+ * else see if we can get a relevant chapter from the referer */
+$chapter = 0;
+
+if ( sqgetGlobalVar('chapter', $temp, SQ_GET) ) {
+ $chapter = (int) $temp;
+} elseif ( sqgetGlobalVar('HTTP_REFERER', $temp, SQ_SERVER) ) {
+ $ref = strtolower($temp);
+
+ $contexts = array ( 'src/compose' => 4, 'src/addr' => 5,
+ 'src/folders' => 6, 'src/options' => 7, 'src/right_main' => 2,
+ 'src/read_body' => 3, 'src/search' => 8 );
+
+ foreach($contexts as $path => $chap) {
+ if(strpos($ref, $path)) {
+ $chapter = $chap;
+ break;
+ }
+ }
+}
+
+if ( $chapter == 0 || !isset( $helpdir[$chapter-1] ) ) {
+ // Initialise the needed variables.
+ $toc = array();
+
+ // Get the chapter numbers, title and decriptions.
+ for ($i=0, $cnt = count($helpdir); $i < $cnt; $i++) {
+ if (file_exists("../help/$user_language/$helpdir[$i]")) {
+ // First try the selected language.
+ $doc = file("../help/$user_language/$helpdir[$i]");
+ $help_info = get_info($doc, 0);
+ $toc[] = array($i+1, $help_info[0], $help_info[2]);
+ } elseif (file_exists("../help/en_US/$helpdir[$i]")) {
+ // If the selected language can't be found, try English.
+ $doc = file("../help/en_US/$helpdir[$i]");
+ $help_info = get_info($doc, 0);
+ $toc[] = array($i+1, $help_info[0],
+ _("This chapter is not available in the selected language. It will be displayed in English instead.") .
+ '<br />' . $help_info[2]);
+ } else {
+ // If English can't be found, the chapter went MIA.
+ $toc[] = array($i+1, _("This chapter is missing"),
+ sprintf(_("For some reason, chapter %s is not available."), $i+1));
+ }
+ }
+
+ // Provide hook for external help scripts.
+ do_hook('help_chapter', $null);
+
+ $new_toc = array();
+ foreach ($toc as $ch) {
+ $a = array();
+ $a['Chapter'] = $ch[0];
+ $a['Title'] = $ch[1];
+ $a['Summary'] = trim($ch[2]);
+ $new_toc[] = $a;
+ }
+
+ $oTemplate->assign('toc', $new_toc);
+
+ $oTemplate->display('help_toc.tpl');
+} else {
+ // Initialise the needed variables.
+ $display_chapter = TRUE;
+
+ // Get the chapter.
+ if (file_exists("../help/$user_language/" . $helpdir[$chapter-1])) {
+ // First try the selected language.
+ $doc = file("../help/$user_language/" . $helpdir[$chapter-1]);
+ } elseif (file_exists("../help/en_US/" . $helpdir[$chapter-1])) {
+ // If the selected language can't be found, try English.
+ $doc = file("../help/en_US/" . $helpdir[$chapter-1]);
+ error_box(_("This chapter is not available in the selected language. It will be displayed in English instead."));
+ echo '<br />';
+ } else {
+ // If English can't be found, the chapter went MIA.
+ $display_chapter = FALSE;
+ }
+
+ // Write the chapter.
+ if ($display_chapter) {
+ // If there is a valid chapter, display it.
+ $help_info = get_info($doc, 0);
+ $ch = array();
+ $ch['Chapter'] = $chapter;
+ $ch['Title'] = $help_info[0];
+ $ch['Summary'] = isset($help_info[1]) && $help_info[1] ? trim($help_info[1]) : $help_info[2];
+ $ch['Sections'] = array();
+ $section = 0;
+ for ($n = $help_info[3], $cnt = count($doc); $n < $cnt; $n++) {
+ $section++;
+ $help_info = get_info($doc, $n);
+ $n = $help_info[3];
+
+ $a = array();
+ $a['SectionNumber'] = $section;
+ $a['SectionTitle'] = $help_info[0];
+ $a['SectionText'] = isset($help_info[1]) ? trim($help_info[1]) : '';;
+
+ $ch['Sections'][] = $a;
+ }
+
+ $oTemplate->assign('chapter_number', $chapter);
+ $oTemplate->assign('chapter_count', count($helpdir));
+ $oTemplate->assign('chapter_title', $ch['Title']);
+ $oTemplate->assign('chapter_summary', $ch['Summary']);
+ $oTemplate->assign('sections', $ch['Sections']);
+ $oTemplate->assign('error_msg', NULL);
+ } else {
+ // If the help file went MIA, trigger an error message.
+ $oTemplate->assign('chapter_number', $chapter);
+ $oTemplate->assign('chapter_count', count($helpdir));
+ $oTemplate->assign('chapter_title', '');
+ $oTemplate->assign('chapter_summary', '');
+ $oTemplate->assign('sections', array());
+ $oTemplate->assign('error_msg', sprintf(_("For some reason, chapter %s is not available."), $chapter));
+ }
+
+ $oTemplate->display('help_chapter.tpl');
+}
+
+do_hook('help_bottom', $null);
+
+$oTemplate->display('footer.tpl');