Add ADULTMODE feature to hide adult themed comics

ajax/getfoldercontents.php

@@ -18,6 +18,8 @@ function compareNames($a, $b) {
     return strnatcmp($a["name"], $b["name"]);
 }
 
+$adultcomics = getAdultComics();
+
 $compath = $_SESSION['compath'];
 $fullcompath = COMICSDIR . (($compath == "/") ? "" : $compath) . "/";
 
@@ -40,6 +42,7 @@ $issues = array();
 $entries = scandir($fullcompath);
 foreach ( $entries as $entry ) {
     if ( ($entry == ".") || ($entry == "..") ) continue;
+    if ( (ADULTMODE || !$_SESSION['adult']) && in_array($entry, $adultcomics) ) continue;
     $info = array();
     $info["name"] = $entry;
     $info["namesafe"] = htmlspecialchars($entry, ENT_QUOTES);

functions.php

@@ -5,6 +5,15 @@ function microtime_float() {
    return ((float)$usec + (float)$sec);
 }
 
+function getAdultComics() {
+   $adultlist = COMICSDIR . "/adultcomics.json";
+   $adultcomics = array();
+   if ( file_exists($adultlist) ) {
+      $adultcomics = json_decode(file_get_contents($adultlist), true);
+   }
+   return $adultcomics;
+}
+
 function makeThumb($item = "") {
    if ( $item == "" ) { return false; }
    $prefix = (substr(getcwd(), -4) == "ajax") ? "../" : "";

variables-dist.php

@@ -24,6 +24,11 @@ define('THUMBSDIR', 'thumbs');
 //
 define('EXTRACTSDIR', 'comics');
 
+//
+// Whether the system will display "adult" comics (i.e. PG-13+)
+//
+define('ADULTMODE', false);
+
 //
 // Database information for tracking last read page
 //