PHP 8 fixes, export bug fix, upgrade PHP Unit version

- Upgraded PHP Unit to 9.6.15 - Fixed the "Export All" checkbox on the export page - Various PHP 8 fixes to avoid warnings - Changes to how event UID is generated for iCal exports - Added button in installer to view PHP details (version, modules, etc.) - Improvements to how server base URL is determined
craigk5n · Dec 7, 2023 · 00f0877 · 00f0877
1 parent 1ad524c
commit 00f0877
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Showing 15 changed files with 149 additions and 90 deletions.
diff --git a/composer.lock b/composer.lock
diff --git a/export.php b/export.php
@@ -116,9 +116,9 @@
   function updateDateFields () {
     var displayAll = $('#exportall')[0].checked;
     if (displayAll) {
-      $('#dateArea').show();
-    } else {
       $('#dateArea').hide();
+    } else {
+      $('#dateArea').show();
     }
   }
 

diff --git a/export_handler.php b/export_handler.php
@@ -217,19 +217,19 @@ function transmit_header( $mime, $file ) {
   die_miserable_death ( 'Invalid format "' . htmlspecialchars($format) . '"' );
 $id = getValue ( 'id', '-?[0-9]+', true );
 
-$use_all_dates = getPostValue ( 'use_all_dates' );
+$use_all_dates = getPostValue ( 'use_all_dates', '' );
 if ( strtolower ( $use_all_dates ) != 'y' )
   $use_all_dates = '';
 
-$include_layers = getPostValue ( 'include_layers' );
+$include_layers = getPostValue ( 'include_layers', '' );
 if ( strtolower ( $include_layers ) != 'y' )
   $include_layers = '';
 
-$include_deleted = getPostValue ( 'include_deleted' );
+$include_deleted = getPostValue ( 'include_deleted', '' );
 if ( strtolower ( $include_deleted ) != 'y' )
   $include_deleted = '';
 
-$cat_filter = getPostValue ( 'cat_filter' );
+$cat_filter = getPostValue ( 'cat_filter', '' );
 if ( $cat_filter == 0 )
   $cat_filter = '';
 
@@ -247,11 +247,13 @@ function transmit_header( $mime, $file ) {
 $enddate = sprintf ( "%04d%02d%02d", $endyear, $endmonth, $endday );
 $moddate = sprintf ( "%04d%02d%02d", $modyear, $modmonth, $modday );
 
-mt_srand ( ( float ) microtime() * 1000000 );
+mt_srand(time());
 
 if ( empty ( $id ) )
   $id = 'all';
 
+load_global_settings(); // Need server URL
+
 $outputName = 'webcalendar-' . "$login-$id";
 if ( substr ( $format, 0, 4 ) == 'ical' ) {
   transmit_header ( 'text/calendar', $outputName . '.ics' );

diff --git a/includes/functions.php b/includes/functions.php
@@ -3951,6 +3951,37 @@ function isLeapYear(int $year = null): bool {
   return ($year % 4 == 0 && $year % 100 != 0) || $year % 400 == 0;
 }
 
+
+function getServerUrl($checkDatabase = true): string
+{
+  global $SERVER_URL, $HTTP_HOST, $REQUEST_URI;
+  $ret = null;
+
+  if (false&&$checkDatabase) {
+    $rows = dbi_get_cached_rows('SELECT cal_value FROM webcal_config WHERE cal_setting = ?', ['SERVER_URL']);
+    if (!empty($rows) && !empty($rows[0]) && !empty($rows[0][0])) {
+      $ret = $rows[0][0];
+    }
+  }
+  // Calculate it.
+  if (empty($ret))
+    $ret = determineServerUrl();
+  $ret = rtrim($ret, '/');
+  return $ret . '/';
+}
+
+function determineServerUrl(): string
+{
+  $protocol = (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] === 'on') ? 'https' : 'http';
+  $host = $_SERVER['HTTP_HOST'];
+  $port = $_SERVER['SERVER_PORT'];
+  $folder = dirname($_SERVER['SCRIPT_NAME']);
+  $url = $protocol . '://'. $host . '/';
+  if ($folder != '/')
+     $url .= $folder;
+  return $url;
+}
+
 /**
  * Loads default system settings (which can be updated via admin.php).
  *

diff --git a/includes/user-app-joomla.php b/includes/user-app-joomla.php
@@ -349,8 +349,7 @@ function user_logged_in () {
 
 // Redirect the user to the login-app.php page
 function app_login_screen( $return ) {
-  global $SERVER_URL;
-  header ( "Location: {$SERVER_URL}login-app.php?return_path={$return}");
+  header ( "Location: " . getServerUrl() . "login-app.php?return_path={$return}");
   exit;
 }
 

diff --git a/includes/xcal.php b/includes/xcal.php
@@ -92,7 +92,7 @@ function wc_export_fold_lines ( $string, $encoding = 'none', $limit = 76 ) {
       if ( strcmp( $encoding, 'quotedprintable' ) == 0 )
         $enc = export_quoted_printable_encode( $string[$i] );
       else if ( strcmp( $encoding, 'utf8' ) == 0 )
-        $enc = utf8_encode ( $string[$i] );
+        $enc = mb_convert_encoding($string[$i], 'UTF-8', mb_detect_encoding($string[$i]));
     }
     if ( $string[$i] == ':' )
       $start_encode = 1;
@@ -219,12 +219,15 @@ function export_get_attendee( $id, $export ) {
         // Use "Full Name <email>" if we have it,
         // Just "login" if that's all we have.
         $attendee[$count] .= ';CN="'
-         . ( empty( $user['cal_firstname'] ) && empty( $user['cal_lastname'] )
-           ? $user['cal_login']
-           : utf8_encode( $user['cal_firstname'] ) . ' '
-             . utf8_encode( $user['cal_lastname'] ) ) . '"'
-         . ':MAILTO:' . ( empty( $user['cal_email'] )
-           ? $EMAIL_FALLBACK_FROM : $user['cal_email'] );
+        . (empty($user['cal_firstname']) && empty($user['cal_lastname'])
+          ? $user['cal_login']
+          : mb_convert_encoding($user['cal_firstname'], 'UTF-8', mb_detect_encoding($user['cal_firstname'])) . ' '
+          . mb_convert_encoding($user['cal_lastname'], 'UTF-8', mb_detect_encoding($user['cal_lastname']))) . '"';
+        if (!empty($user['cal_email'])) {
+          $attendee[$count] .= ':MAILTO:' . $user['cal_email'];
+        } else if (strpos('@', $EMAIL_FALLBACK_FROM) > 0) {
+          $attendee[$count] .= ':MAILTO:' . $EMAIL_FALLBACK_FROM;
+        }
       }
       $count++;
     } //end if ( count ( $user ) > 0 )
@@ -739,15 +742,18 @@ function export_get_event_entry( $id = 'all', $attachment = false ) {
   return $res;
 } //end function export_get_event_entry($id)
 function generate_uid ( $id = '' ) {
-  global $login, $SERVER_URL;
+  global $login;
 
-  $uid = $SERVER_URL;
+  $uid = getServerUrl();
   if ( empty ( $uid ) )
     $uid = 'UNCONFIGURED-WEBCALENDAR';
-  $uid = str_replace ( 'http://', ' ', $uid );
+  $uid = str_replace ( 'http://', '', $uid );
+  $uid = str_replace ( 'https://', '', $uid );
+  $uid = str_replace ( ':', '-', $uid );
   $uid .= sprintf ( "-%s-%010d", $login, $id );
-  $uid = preg_replace ( "/[\s\/\.-]+/", '-', $uid );
+  $uid = preg_replace ( "/[\/-]+/", '-', $uid );
   $uid = strtoupper ( $uid );
+
   return $uid;
 }
 // Add entries in the webcal_import and webcal_import_data tables.
@@ -944,8 +950,12 @@ function export_ical ( $id = 'all', $attachment = false ) {
   // Always output something, even if no records come back
   // This prevents errors on the iCal client
   $ret = "BEGIN:VCALENDAR\r\n";
-  $title = utf8_encode ( 'X-WR-CALNAME;VALUE=TEXT:' .
-  ( empty ( $publish_fullname ) ? $login : translate ( $publish_fullname ) ) );
+  $title = mb_convert_encoding(
+    'X-WR-CALNAME;VALUE=TEXT:' .
+    (empty($publish_fullname) ? $login : translate($publish_fullname)),
+    'UTF-8',
+    mb_detect_encoding(empty($publish_fullname) ? $login : $publish_fullname)
+  );
   $title = str_replace ( ',', "\\,", $title );
   $ret .= "$title\r\n";
   $ret .= generate_prodid ( 'ics' );

diff --git a/install/index.php b/install/index.php
@@ -257,6 +257,10 @@ function_exists('gd_info'),
         $connectError = dbi_error();
     }
 }
+if (!empty($_GET['action']) && $_GET['action'] == "phpinfo") {
+    phpinfo ();
+    exit;
+}
 $emptyDatabase = $canConnectDb ?  isEmptyDatabase() : true;
 $unsavedDbSettings = !empty($_SESSION['unsavedDbSettings']); // Keep track if Db settings were modified by not yet saved
 $reportedDbVersion = 'Unknown';

diff --git a/install/install_phpsettings.php b/install/install_phpsettings.php
@@ -1,10 +1,10 @@
 <table class="table table-striped table-bordered">
   <thead>
     <tr>
-      <th><?php etranslate('Setting Description');?></th>
-      <th><?php etranslate('Required Setting');?></th>
-      <th><?php etranslate('Current Setting');?></th>
-      <th><?php etranslate('Status');?></th>
+      <th><?php etranslate('Setting Description'); ?></th>
+      <th><?php etranslate('Required Setting'); ?></th>
+      <th><?php etranslate('Current Setting'); ?></th>
+      <th><?php etranslate('Status'); ?></th>
     </tr>
   </thead>
   <tbody>
@@ -27,6 +27,12 @@
   </tbody>
 </table>
 
+<script>
+  function testPHPInfo() {
+    $('#wcTestPHPInfo').modal('show');
+  }
+</script>
+<input name="action" type="button" class="btn btn-secondary" value="<?php etranslate('Detailed PHP Info') ?>..." onClick="testPHPInfo()" />
 <?php
 $html = '';
 $buttonLabel = translate('Next');
@@ -36,4 +42,25 @@
   $buttonLabel = translate('Acknowledge');
 }
 printSubmitButton($action, $html, $buttonLabel);
-?>
+?>
+
+<!-- Bootstrap Modal -->
+<div class="modal fade" id="wcTestPHPInfo" tabindex="-1" role="dialog" aria-labelledby="wcTestPHPInfoLabel" aria-hidden="true">
+  <div class="modal-dialog modal-lg" role="document">
+    <div class="modal-content">
+      <div class="modal-header">
+        <h5 class="modal-title" id="wcTestPHPInfoLabel"><?php etranslate('PHP Info'); ?></h5>
+        <button type="button" class="close" data-dismiss="modal" aria-label="Close">
+          <span aria-hidden="true">&times;</span>
+        </button>
+      </div>
+      <div class="modal-body">
+        <!-- Iframe with full width and height -->
+        <iframe src="index.php?action=phpinfo" style="width: 100%; height: 500px;" frameborder="0"></iframe>
+      </div>
+      <div class="modal-footer">
+        <button type="button" class="btn btn-secondary" data-dismiss="modal"><?php etranslate('Close'); ?></button>
+      </div>
+    </div>
+  </div>
+</div>
diff --git a/pref.php b/pref.php
@@ -762,35 +762,32 @@ function save_pref( $prefs, $src) {
   <label for="USER_PUBLISH_ENABLED"><?php etranslate ( 'Allow remote subscriptions' )?>:</label></td><td class="form-inline mt-1">
   <?php echo print_radio ( 'USER_PUBLISH_ENABLED' ) ?>
 </td></tr>
-<?php if ( ! empty ( $SERVER_URL ) ) { ?>
 <tr><td data-toggle="tooltip" data-placement="top" title="<?php etooltip ("remote-subscriptions-url-help");?>">&nbsp;&nbsp;&nbsp;&nbsp;
   <label><?php etranslate ( 'URL' )?>:</label></td>
   <td>
   <?php
-    echo htmlspecialchars ( $SERVER_URL ) .
+    echo htmlspecialchars ( getServerUrl() ) .
       'publish.php/' . ( $updating_public ? '__public__' : $user ) . '.ics';
     echo "<br>\n";
-    echo htmlspecialchars ( $SERVER_URL ) .
+    echo htmlspecialchars ( getServerUrl() ) .
       'publish.php?user=' . ( $updating_public ? '__public__' : $user );
   ?></td></tr>
   <tr><td height="0.5 em"><!-- small vertical spacing--><span style="font-size: 25%">&nbsp;</span> </td></tr>
-<?php } /* $SERVER_URL */ ?>
 
 <tr><td data-toggle="tooltip" data-placement="top" title="<?php etooltip ("allow-remote-publishing-help");?>">
   <label for="pref_USER_PUBLISH_RW_ENABLED"><?php etranslate ( 'Allow remote publishing' )?>:</label></td>
   <td class="form-inline mt-1">
   <?php echo print_radio ( 'USER_PUBLISH_RW_ENABLED' ) ?>
 </td></tr>
-<?php if ( ! empty ( $SERVER_URL ) ) { ?>
 <tr><td data-toggle="tooltip" data-placement="top" title="<?php etooltip ("remote-publishing-url-help");?>">
   &nbsp;&nbsp;&nbsp;&nbsp;<label><?php etranslate ( 'URL' )?>:</label></td>
   <td>
   <?php
-    echo htmlspecialchars ( $SERVER_URL ) .
+    echo htmlspecialchars ( getServerUrl() ) .
       'icalclient.php';
   ?></td></tr>
   <tr><td height="0.5 em"><!-- small vertical spacing--><span style="font-size: 25%">&nbsp;</span> </td></tr>
-<?php } /* $SERVER_URL */
+<?php
 
 } /* $PUBLISH_ENABLED */
 
@@ -800,36 +797,33 @@ function save_pref( $prefs, $src) {
   <td class="form-inline mt-1">
   <?php echo print_radio ( 'USER_RSS_ENABLED' ) ?>
 </td></tr>
-<?php if ( ! empty ( $SERVER_URL ) ) { ?>
 <tr><td data-toggle="tooltip" data-placement="top" title="<?php etooltip ("rss-feed-url-help");?>">
   &nbsp;&nbsp;&nbsp;&nbsp;<label><?php etranslate ( 'URL' )?>:</label></td>
   <td>
   <?php
-    echo htmlspecialchars ( $SERVER_URL ) .
+    echo htmlspecialchars ( getServerUrl() ) .
       'rss.php?user=' . ( $updating_public ? '__public__' : $user );
   ?></td></tr>
   <tr><td height="0.5 em"><!-- small vertical spacing--><span style="font-size: 25%">&nbsp;</span> </td></tr>
-<?php } /* $SERVER_URL */
+<?php 
 } /* $RSS_ENABLED */ ?>
 
 <tr><td data-toggle="tooltip" data-placement="top" title="<?php etooltip ("freebusy-enabled-help");?>">
   <label for="pref_FREEBUSY_ENABLED"><?php etranslate ( 'Enable FreeBusy publishing' )?>:</label></td>
   <td class="form-inline mt-1">
   <?php echo print_radio ( 'FREEBUSY_ENABLED' ) ?>
 </td></tr>
-<?php if ( ! empty ( $SERVER_URL ) ) { ?>
 <tr><td data-toggle="tooltip" data-placement="top" title="<?php etooltip ("freebusy-url-help");?>">
   &nbsp;&nbsp;&nbsp;&nbsp;<label><?php etranslate ( 'URL' )?>:</label></td>
   <td>
   <?php
-    echo htmlspecialchars ( $SERVER_URL ) .
+    echo htmlspecialchars ( getServerUrl() ) .
       'freebusy.php/' . ( $updating_public ? '__public__' : $user ) . '.ifb';
     echo "<br>\n";
-    echo htmlspecialchars ( $SERVER_URL ) .
+    echo htmlspecialchars ( getServerUrl() ) .
       'freebusy.php?user=' . ( $updating_public ? '__public__' : $user );
   ?></td></tr>
   <tr><td height="0.5 em"><!-- small vertical spacing--><span style="font-size: 25%">&nbsp;</span> </td></tr>
-<?php } /* $SERVER_URL */ ?>
 </table>
 </div></div>
 <!-- END SUBSCRIBE -->