Simple Thumbnail with GD only, base config master update, test images add

correctImageOrientation: fixes the orientation of a JPEG image with
the exif Orientation header set

uuidv4: creates a uuid v4 string

4dev/database/ORDER

@@ -16,6 +16,7 @@ table/edit_scheme.sql
 table/edit_language.sql
 table/edit_group.sql
 table/edit_page_access.sql
+table/edit_page_content.sql
 table/edit_user.sql
 table/edit_log.sql
 table/edit_access.sql
@@ -31,6 +32,7 @@ trigger/trg_edit_group.sql
 trigger/trg_edit_language.sql
 trigger/trg_edit_log.sql
 trigger/trg_edit_page_access.sql
+trigger/trg_edit_page_content.sql
 trigger/trg_edit_page.sql
 trigger/trg_edit_query_string.sql
 trigger/trg_edit_scheme.sql

www/admin/class_test.php

@@ -131,20 +131,20 @@ print "UPDATE STATUS: $status | RETURNING EXT: ".print_r($basic->insert_id_ext,
 $table = 'foo';
 print "TABLE META DATA: ".$basic->printAr($basic->dbShowTableMetaData($table))."<br>";
 $primary_key = ''; # unset
-$db_write_table = array ('test', 'string_a', 'number_a', 'some_bool');
-//	$db_write_table = array ('test');
-$object_fields_not_touch = array ();
-$object_fields_not_update = array ();
-$data = array ('test' => 'BOOL TEST SOMETHING '.time(), 'string_a' => 'SOME TEXT', 'number_a' => 5);
+$db_write_table = array('test', 'string_a', 'number_a', 'some_bool');
+//	$db_write_table = array('test');
+$object_fields_not_touch = array();
+$object_fields_not_update = array();
+$data = array('test' => 'BOOL TEST SOMETHING '.time(), 'string_a' => 'SOME TEXT', 'number_a' => 5);
 $primary_key = $basic->dbWriteDataExt($db_write_table, $primary_key, $table, $object_fields_not_touch, $object_fields_not_update, $data);
 print "Wrote to DB tabel $table and got primary key $primary_key<br>";
-$data = array ('test' => 'BOOL TEST ON '.time(), 'string_a' => '', 'number_a' => 0, 'some_bool' => 1);
+$data = array('test' => 'BOOL TEST ON '.time(), 'string_a' => '', 'number_a' => 0, 'some_bool' => 1);
 $primary_key = $basic->dbWriteDataExt($db_write_table, $primary_key, $table, $object_fields_not_touch, $object_fields_not_update, $data);
 print "Wrote to DB tabel $table and got primary key $primary_key<br>";
-$data = array ('test' => 'BOOL TEST OFF '.time(), 'string_a' => null, 'number_a' => null, 'some_bool' => 0);
+$data = array('test' => 'BOOL TEST OFF '.time(), 'string_a' => null, 'number_a' => null, 'some_bool' => 0);
 $primary_key = $basic->dbWriteDataExt($db_write_table, $primary_key, $table, $object_fields_not_touch, $object_fields_not_update, $data);
 print "Wrote to DB tabel $table and got primary key $primary_key<br>";
-$data = array ('test' => 'BOOL TEST UNSET '.time());
+$data = array('test' => 'BOOL TEST UNSET '.time());
 $primary_key = $basic->dbWriteDataExt($db_write_table, $primary_key, $table, $object_fields_not_touch, $object_fields_not_update, $data);
 print "Wrote to DB tabel $table and got primary key $primary_key<br>";
 
@@ -236,8 +236,52 @@ $date_1 = '2017/1/5';
 $date_2 = '2017-01-05';
 print "COMPARE DATE: ".$basic->compareDate($date_1, $date_2)."<br>";
 
+// recursive array search
+$test_array = array(
+	'foo' => 'bar',
+	'input' => array(
+		'element_a' => array(
+			'type' => 'text'
+		),
+		'element_b' => array(
+			'type' => 'email'
+		),
+		'element_c' => array(
+			'type' => 'email'
+		)
+	)
+);
 
-// array re
+echo "SOURCE ARRAY: ".$basic->printAr($test_array)."<br>";
+echo "FOUND ELEMENTS [base]: ".$basic->printAr($basic->arraySearchRecursive('email', $test_array, 'type'))."<br>";
+echo "FOUND ELEMENTS [input]: ".$basic->printAr($basic->arraySearchRecursive('email', $test_array['input'], 'type'))."<br>";
+
+// image thumbnail
+$images = array(
+	// height bigger
+	// BASE.LAYOUT.CONTENT_PATH.IMAGES.'no_picture.jpg',
+	// BASE.LAYOUT.CONTENT_PATH.IMAGES.'no_picture.png',
+	// width bigger
+	// BASE.LAYOUT.CONTENT_PATH.IMAGES.'no_picture_width_bigger.jpg',
+	// BASE.LAYOUT.CONTENT_PATH.IMAGES.'no_picture_width_bigger.png',
+	// square
+	// BASE.LAYOUT.CONTENT_PATH.IMAGES.'no_picture_square.jpg',
+	// BASE.LAYOUT.CONTENT_PATH.IMAGES.'no_picture_square.png',
+	// other sample images
+	BASE.LAYOUT.CONTENT_PATH.IMAGES.'5c501af48da6c.jpg'
+);
+echo "<hr>";
+$thumb_width = 250;
+$thumb_height = 250;
+foreach ($images as $image) {
+	// rotate image first
+	$basic->correctImageOrientation($image);
+	// thumbnail tests
+	echo "<div>".basename($image).": WIDTH: $thumb_width<br><img src=".$basic->createThumbnailSimple($image, $thumb_width)."></div>";
+	echo "<div>".basename($image).": HEIGHT: $thumb_height<br><img src=".$basic->createThumbnailSimple($image, 0, $thumb_height)."></div>";
+	echo "<div>".basename($image).": WIDTH/HEIGHT: $thumb_width x $thumb_height<br><img src=".$basic->createThumbnailSimple($image, $thumb_width, $thumb_height)."></div>";
+	echo "<hr>";
+}
 
 // print error messages
 // print $login->printErrorMsg();

www/configs/config.master.php

@@ -124,18 +124,21 @@ DEFINE('PAGE_WIDTH', 800);
 DEFINE('MASTER_TEMPLATE_NAME', 'main_body.tpl');
 
 /************* SESSION NAMES *************/
+// base name
+DEFINE('BASE_NAME', 'CoreLibs');
 // server name HASH
 DEFINE('SERVER_NAME_HASH', hash('crc32b', $_SERVER['HTTP_HOST']));
+DEFINE('SERVER_PATH_HASH', hash('crc32b', BASE));
 // backend
-DEFINE('EDIT_SESSION_NAME', 'ADMIN_SESSION_NAME'.SERVER_NAME_HASH);
+DEFINE('EDIT_SESSION_NAME', BASE_NAME.'Admin'.SERVER_NAME_HASH.SERVER_PATH_HASH);
 // frontend
-DEFINE('SESSION_NAME', 'SESSION_NAME'.SERVER_NAME_HASH);
+DEFINE('SESSION_NAME', BASE_NAME.SERVER_NAME_HASH.SERVER_PATH_HASH);
 // SET_SESSION_NAME should be set in the header if a special session name is needed
 DEFINE('SET_SESSION_NAME', SESSION_NAME);
 
 /************* CACHE/COMPILE IDS *************/
-DEFINE('CACHE_ID', 'CACHE_'.SERVER_NAME_HASH);
-DEFINE('COMPILE_ID', 'COMPILE_'.SERVER_NAME_HASH);
+DEFINE('CACHE_ID', 'CACHE_'.BASE_NAME.'_'.SERVER_NAME_HASH);
+DEFINE('COMPILE_ID', 'COMPILE_'.BASE_NAME.'_'.SERVER_NAME_HASH);
 
 /************* LANGUAGE / ENCODING *******/
 DEFINE('DEFAULT_LANG', 'en_utf8');

www/includes/admin_smarty.php

@@ -78,7 +78,7 @@ $cms->DATA['ADMIN'] = $login->acl['admin'];
 // the template part to include into the body
 $cms->DATA['TEMPLATE_NAME'] = $TEMPLATE_NAME;
 $cms->DATA['CONTENT_INCLUDE'] = $CONTENT_INCLUDE;
-$cms->DATA['TEMPLATE_TRANSLATE'] = $TEMPLATE_TRANSLATE;
+$cms->DATA['TEMPLATE_TRANSLATE'] = isset($TEMPLATE_TRANSLATE) ? $TEMPLATE_TRANSLATE : null;
 $cms->DATA['PAGE_FILE_NAME'] = $PAGE_FILE_NAME;
 // LANG
 $cms->DATA['LANG'] = $lang;

www/layout/admin/cache/.gitignore

@@ -0,0 +1,2 @@
+*
+!.gitignore

www/layout/admin/cache/images/.gitignore

@@ -0,0 +1,2 @@
+*
+!.gitignore

www/layout/admin/javascript/edit.jq.js

@@ -295,10 +295,10 @@ function isObject(val) {
  * @param  {Object}  object object to search key in
  * @return {Boolean}        true/false if key exists in object
  */
-const keyInObject = (key, object) => (key in object) ? true : false;
+const keyInObject = (key, object) => (Object.prototype.hasOwnProperty.call(object, key)) ? true : false;
 /*function keyInObject(key, object)
 {
-	return (key in object) ? true : false;
+	return (Object.prototype.hasOwnProperty.call(object, key)) ? true : false;
 }*/
 
 /**
@@ -801,6 +801,66 @@ function html_options_refill(name, data, sort = '')
 	}
 }
 
+/**
+ * parses a query string from window.location.search.substring(1)
+ * ALTERNATIVE CODE
+ * var url = new URL(window.location.href);
+ * param_uid = url.searchParams.get('uid');
+ * @param  {String}        [query='']      the query string to parse
+ *                                         if not set will auto fill
+ * @param  {String}        [return_key=''] if set only returns this key entry
+ *                                         or empty for none
+ * @return {Object|String}                 parameter entry list
+ */
+function parseQueryString(query = '', return_key = '') {
+	if (!query) {
+		query = window.location.search.substring(1);
+	}
+	var vars = query.split("&");
+	var query_string = {};
+	for (var i = 0; i < vars.length; i++) {
+		var pair = vars[i].split("=");
+		var key = decodeURIComponent(pair[0]);
+		var value = decodeURIComponent(pair[1]);
+		// If first entry with this name
+		if (typeof query_string[key] === "undefined") {
+			query_string[key] = decodeURIComponent(value);
+			// If second entry with this name
+		} else if (typeof query_string[key] === "string") {
+			var arr = [query_string[key], decodeURIComponent(value)];
+			query_string[key] = arr;
+			// If third or later entry with this name
+		} else {
+			query_string[key].push(decodeURIComponent(value));
+		}
+	}
+	if (return_key) {
+		if (keyInObject(return_key, query_string)) {
+			return query_string[return_key];
+		} else {
+			return '';
+		}
+	} else {
+		return query_string;
+	}
+}
+
+/**
+ * searchs the current url for a parameter
+ * @param  {String} key uid key to get data for
+ * @return {String}     value for the key or '' for not found
+ */
+function getQueryStringParam(key)
+{
+	var url = new URL(window.location.href);
+ 	var param = url.searchParams.get(key);
+ 	if (param) {
+ 		return param;
+ 	} else {
+ 		return '';
+ 	}
+}
+
 // *** MASTER logout call
 /**
  * submits basic data for form logout

www/layout/admin/javascript/edit.pt.js

@@ -382,10 +382,10 @@ function isObject(val) {
  * @param  {Object}  object object to search key in
  * @return {Boolean}        true/false if key exists in object
  */
-const keyInObject = (key, object) => (key in object) ? true : false;
+const keyInObject = (key, object) => (Object.prototype.hasOwnProperty.call(object, key)) ? true : false;
 /*function keyInObject(key, object)
 {
-	return (key in object) ? true : false;
+	return (Object.prototype.hasOwnProperty.call(object, key)) ? true : false;
 }*/
 
 /**
@@ -888,6 +888,66 @@ function html_options_refill(name, data, sort = '')
 	}
 }
 
+/**
+ * parses a query string from window.location.search.substring(1)
+ * ALTERNATIVE CODE
+ * var url = new URL(window.location.href);
+ * param_uid = url.searchParams.get('uid');
+ * @param  {String}        [query='']      the query string to parse
+ *                                         if not set will auto fill
+ * @param  {String}        [return_key=''] if set only returns this key entry
+ *                                         or empty for none
+ * @return {Object|String}                 parameter entry list
+ */
+function parseQueryString(query = '', return_key = '') {
+	if (!query) {
+		query = window.location.search.substring(1);
+	}
+	var vars = query.split("&");
+	var query_string = {};
+	for (var i = 0; i < vars.length; i++) {
+		var pair = vars[i].split("=");
+		var key = decodeURIComponent(pair[0]);
+		var value = decodeURIComponent(pair[1]);
+		// If first entry with this name
+		if (typeof query_string[key] === "undefined") {
+			query_string[key] = decodeURIComponent(value);
+			// If second entry with this name
+		} else if (typeof query_string[key] === "string") {
+			var arr = [query_string[key], decodeURIComponent(value)];
+			query_string[key] = arr;
+			// If third or later entry with this name
+		} else {
+			query_string[key].push(decodeURIComponent(value));
+		}
+	}
+	if (return_key) {
+		if (keyInObject(return_key, query_string)) {
+			return query_string[return_key];
+		} else {
+			return '';
+		}
+	} else {
+		return query_string;
+	}
+}
+
+/**
+ * searchs the current url for a parameter
+ * @param  {String} key uid key to get data for
+ * @return {String}     value for the key or '' for not found
+ */
+function getQueryStringParam(key)
+{
+	var url = new URL(window.location.href);
+ 	var param = url.searchParams.get(key);
+ 	if (param) {
+ 		return param;
+ 	} else {
+ 		return '';
+ 	}
+}
+
 // *** MASTER logout call
 /**
  * submits basic data for form logout

www/layout/frontend/cache/.gitignore

@@ -0,0 +1,2 @@
+*
+!.gitignore

www/layout/frontend/cache/images/.gitignore

@@ -0,0 +1,2 @@
+*
+!.gitignore

www/lib/CoreLibs/ACL/Login.php

@@ -150,7 +150,7 @@ class Login extends \CoreLibs\DB\IO
 
 		// set global is ajax page for if we show the data directly, or need to pass it back
 		// to the continue AJAX class for output back to the user
-		$this->login_is_ajax_page = isset($GLOBALS['AJAX_PAGE']) && $GLOBALS['AJAX_PAGE'] ? true : false;
+		$this->login_is_ajax_page = $this->ajax_page_flag;
 
 		$this->l = new \CoreLibs\Language\L10n($lang);
 

www/lib/CoreLibs/Basic.php

@@ -181,6 +181,8 @@ class Basic
 
 	// form token (used for form validation)
 	private $form_token = '';
+	// ajax flag
+	protected $ajax_page_flag = false;
 
 	// METHOD: __construct
 	// PARAMS: set_control_flag [current sets set/get var errors]
@@ -218,6 +220,11 @@ class Basic
 			die('Core Constant missing. Check config file.');
 		}
 
+		// set ajax page flag based on the AJAX_PAGE varaibles
+		// convert to true/false so if AJAX_PAGE is 0 or false it is
+		// always boolean false
+		$this->ajax_page_flag = isset($GLOBALS['AJAX_PAGE']) && $GLOBALS['AJAX_PAGE'] ? true : false;
+
 		// set the page name
 		$this->page_name = $this->getPageName();
 		$this->host_name = $this->getHostName();
@@ -1521,7 +1528,7 @@ class Basic
 			// labels in order of size
 			$labels = array('B', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB');
 			// calc file size, round down too two digits, add label based max change
-			return round($number / pow(1024, ($i = floor(log((float)$number, 1024)))), 2).($space ? ' ' : '').(isset($labels[(int)$i]) ? $labels[(int)$i] : '>EB');
+			return round((float)$number / pow(1024, ($i = floor(log((float)$number, 1024)))), 2).($space ? ' ' : '').(isset($labels[(int)$i]) ? $labels[(int)$i] : '>EB');
 		}
 		return (string)$number;
 	}
@@ -1949,6 +1956,218 @@ class Basic
 		return $return_data;
 	}
 
+	/**
+	 * simple thumbnail creation for jpeg, png only
+	 * TODO: add other types like gif, etc
+	 * - bails with false on failed create
+	 * - if either size_x or size_y are empty (0)
+	 *   the resize is to max of one size
+	 *   if both are set, those are the max sizes (aspect ration is always ekpt)
+	 * - if path is not given will cache folder for current path set
+	 * @param  string      $filename       source file name with full path
+	 * @param  int         $thumb_width    thumbnail width
+	 * @param  int         $thumb_height   thumbnail height
+	 * @param  string|null $thumbnail_path altnerative path for thumbnails
+	 * @param  bool        $use_cache      default to true, set to false to skip
+	 *                                     creating new image if exists
+	 * @param  bool        $high_quality   default to true, uses sample version, set to false
+	 *                                     to use quick but less nice version
+	 * @param  int         $jpeg_quality   default 80, set image quality for jpeg only
+	 * @return string|bool                 thumbnail with path
+	 */
+	public function createThumbnailSimple(
+		string $filename,
+		int $thumb_width = 0,
+		int $thumb_height = 0,
+		?string $thumbnail_path = null,
+		bool $use_cache = true,
+		bool $high_quality = true,
+		int $jpeg_quality = 80
+	) {
+		$thumbnail = false;
+		// $this->debug('IMAGE PREPARE', "FILE: $filename (exists ".(string)file_exists($filename)."), WIDTH: $thumb_width, HEIGHT: $thumb_height");
+		// check that input image exists and is either jpeg or png
+		// also fail if the basic CACHE folder does not exist at all
+		if (file_exists($filename) &&
+			is_dir(BASE.LAYOUT.CONTENT_PATH.CACHE) &&
+			is_writable(BASE.LAYOUT.CONTENT_PATH.CACHE)
+		) {
+			// $this->debug('IMAGE PREPARE', "FILENAME OK, THUMB WIDTH/HEIGHT OK");
+			list($inc_width, $inc_height, $img_type) = getimagesize($filename);
+			if ($img_type == IMG_JPG ||
+				$img_type == IMG_PNG
+			) {
+				// $this->debug('IMAGE PREPARE', "IMAGE TYPE OK: ".$inc_width.'x'.$inc_height);
+				// set thumbnail paths
+				$thumbnail_write_path = BASE.LAYOUT.CONTENT_PATH.CACHE.IMAGES;
+				$thumbnail_web_path = LAYOUT.CACHE.IMAGES;
+				// if images folder in cache does not exist create it, if failed, fall back to base cache folder
+				if (!is_dir($thumbnail_write_path)) {
+					if (false === mkdir($thumbnail_write_path)) {
+						$thumbnail_write_path = BASE.LAYOUT.CONTENT_PATH.CACHE;
+						$thumbnail_web_path = LAYOUT.CACHE;
+					}
+				}
+				// if missing width or height in thumb, use the set one
+				if ($thumb_width == 0) {
+					$thumb_width = $inc_width;
+				}
+				if ($thumb_height == 0) {
+					$thumb_height = $inc_height;
+				}
+				// check resize parameters
+				if ($inc_width > $thumb_width || $inc_height > $thumb_height) {
+					$thumb_width_r = 0;
+					$thumb_height_r = 0;
+					// we need to keep the aspect ration on longest side
+					if (($inc_height > $inc_width &&
+						// and the height is bigger than thumb set
+							$inc_height > $thumb_height) ||
+						// or the height is smaller or equal width
+						// but the width for the thumb is equal to the image height
+						($inc_height <= $inc_width &&
+							$inc_width == $thumb_width
+						)
+					) {
+						// $this->debug('IMAGE PREPARE', 'HEIGHT > WIDTH');
+						$ratio = $inc_height / $thumb_height;
+						$thumb_width_r = (int)ceil($inc_width / $ratio);
+						$thumb_height_r = $thumb_height;
+					} else {
+						// $this->debug('IMAGE PREPARE', 'WIDTH > HEIGHT');
+						$ratio = $inc_width / $thumb_width;
+						$thumb_width_r = $thumb_width;
+						$thumb_height_r = (int)ceil($inc_height / $ratio);
+					}
+					// $this->debug('IMAGE PREPARE', "Ratio: $ratio, Target size $thumb_width_r x $thumb_height_r");
+					// set output thumbnail name
+					$thumbnail = 'thumb-'.pathinfo($filename)['filename'].'-'.$thumb_width_r.'x'.$thumb_height_r;
+					if ($use_cache === false ||
+						!file_exists($thumbnail_write_path.$thumbnail)
+					) {
+						// image, copy source image, offset in image, source x/y, new size, source image size
+						$thumb = imagecreatetruecolor($thumb_width_r, $thumb_height_r);
+						if ($img_type == IMG_PNG) {
+							// preservere transaprency
+							imagecolortransparent(
+								$thumb,
+								imagecolorallocatealpha($thumb, 0, 0, 0, 127)
+							);
+							imagealphablending($thumb, false);
+							imagesavealpha($thumb, true);
+						}
+						$source = null;
+						switch ($img_type) {
+							case IMG_JPG:
+								$source = imagecreatefromjpeg($filename);
+								break;
+							case IMG_PNG:
+								$source = imagecreatefrompng($filename);
+								break;
+						}
+						// check that we have a source image resource
+						if ($source !== null) {
+							// resize no shift
+							if ($high_quality === true) {
+								imagecopyresized($thumb, $source, 0, 0, 0, 0, $thumb_width_r, $thumb_height_r, $inc_width, $inc_height);
+							} else {
+								imagecopyresampled($thumb, $source, 0, 0, 0, 0, $thumb_width_r, $thumb_height_r, $inc_width, $inc_height);
+							}
+							// write file
+							switch ($img_type) {
+								case IMG_JPG:
+									imagejpeg($thumb, $thumbnail_write_path.$thumbnail, $jpeg_quality);
+									break;
+								case IMG_PNG:
+									imagepng($thumb, $thumbnail_write_path.$thumbnail);
+									break;
+							}
+							// free up resources (in case we are called in a loop)
+							imagedestroy($source);
+							imagedestroy($thumb);
+						} else {
+							$thumbnail = false;
+						}
+					}
+				} else {
+					// we just copy over the image as is, we never upscale
+					$thumbnail = 'thumb-'.pathinfo($filename)['filename'].'-'.$inc_width.'x'.$inc_height;
+					if ($use_cache === false ||
+						!file_exists($thumbnail_write_path.$thumbnail)
+					) {
+						copy($filename, $thumbnail_write_path.$thumbnail);
+					}
+				}
+				// add output path
+				if ($thumbnail !== false) {
+					$thumbnail = $thumbnail_web_path.$thumbnail;
+				}
+			}
+		}
+		// either return false or the thumbnail name + output path web
+		return $thumbnail;
+	}
+
+	/**
+	 * reads the rotation info of an file and rotates it to be correctly upright
+	 * this is done because not all software honers the exit Orientation flag
+	 * only works with jpg or png
+	 * @param  string $filename path + filename to rotate. This file must be writeable
+	 * @return void
+	 */
+	public function correctImageOrientation($filename): void
+	{
+		if (function_exists('exif_read_data') && is_writeable($filename)) {
+			list($inc_width, $inc_height, $img_type) = getimagesize($filename);
+			$exif = exif_read_data($filename);
+			$orientation = null;
+			$img = null;
+			if ($exif && isset($exif['Orientation'])) {
+				$orientation = $exif['Orientation'];
+			}
+			if ($orientation != 1) {
+				$this->debug('IMAGE FILE ROTATE', 'Need to rotate image ['.$filename.'] from: '.$orientation);
+				switch ($img_type) {
+					case IMG_JPG:
+						$img = imagecreatefromjpeg($filename);
+						break;
+					case IMG_PNG:
+						$img = imagecreatefrompng($filename);
+						break;
+				}
+				$deg = 0;
+				// 1 top, 6: left, 8: right, 3: bottom
+				switch ($orientation) {
+					case 3:
+						$deg = 180;
+						break;
+					case 6:
+						$deg = -90;
+						break;
+					case 8:
+						$deg = 90;
+						break;
+				}
+				if ($img !== null) {
+					if ($deg) {
+						$img = imagerotate($img, $deg, 0);
+					}
+					// then rewrite the rotated image back to the disk as $filename
+					switch ($img_type) {
+						case IMG_JPG:
+							imagejpeg($img, $filename);
+							break;
+						case IMG_PNG:
+							imagepng($img, $filename);
+							break;
+					}
+					// clean up image if we have an image
+					imagedestroy($img);
+				}
+			} // only if we need to rotate
+		} // function exists & file is writeable, else do nothing
+	}
+
 	/**
 	 * test if a string can be safely convert between encodings. mostly utf8 to shift jis
 	 * the default compare has a possibility of failure, especially with windows
@@ -2110,6 +2329,35 @@ class Basic
 		return false;
 	}
 
+	/**
+	 * creates psuedo random uuid v4
+	 * Code take from class here:
+	 * https://www.php.net/manual/en/function.uniqid.php#94959
+	 * @return string pseudo random uuid v4
+	 */
+	public static function uuidv4(): string
+	{
+		return sprintf(
+			'%04x%04x-%04x-%04x-%04x-%04x%04x%04x',
+			// 32 bits for "time_low"
+			mt_rand(0, 0xffff),
+			mt_rand(0, 0xffff),
+			// 16 bits for "time_mid"
+			mt_rand(0, 0xffff),
+			// 16 bits for "time_hi_and_version",
+			// four most significant bits holds version number 4
+			mt_rand(0, 0x0fff) | 0x4000,
+			// 16 bits, 8 bits for "clk_seq_hi_res",
+			// 8 bits for "clk_seq_low",
+			// two most significant bits holds zero and one for variant DCE1.1
+			mt_rand(0, 0x3fff) | 0x8000,
+			// 48 bits for "node"
+			mt_rand(0, 0xffff),
+			mt_rand(0, 0xffff),
+			mt_rand(0, 0xffff)
+		);
+	}
+
 	// [!!! DEPRECATED !!!]
 	// ALL crypt* methids are DEPRECATED and SHALL NOT BE USED
 	// use the new password* instead

www/lib/CoreLibs/Output/Form/Generate.php

@@ -727,7 +727,9 @@ class Generate extends \CoreLibs\DB\Extended\ArrayIO
 			$EDIT_FGCOLOR_T = 'edit_fgcolor';
 		}
 		$output_name = $this->table_array[$element_name]['output_name'];
-		if (isset($this->table_array[$element_name]['mandatory'])) {
+		if (isset($this->table_array[$element_name]['mandatory']) &&
+			$this->table_array[$element_name]['mandatory']
+		) {
 			$output_name .= ' *';
 		}
 		// create right side depending on 'definiton' in table_array
@@ -1022,6 +1024,7 @@ class Generate extends \CoreLibs\DB\Extended\ArrayIO
 					} // switch
 				} // for each error to check
 			} elseif (isset($value['mandatory']) &&
+				$value['mandatory'] &&
 				(
 					// for all 'normal' fields
 					($this->table_array[$key]['type'] != 'password' && $this->table_array[$key]['type'] != 'drop_down_db_input' && !$this->table_array[$key]['value']) ||
@@ -1065,7 +1068,9 @@ class Generate extends \CoreLibs\DB\Extended\ArrayIO
 		if (is_array($this->reference_array)) {
 			reset($this->reference_array);
 			foreach ($this->reference_array as $key => $value) {
-				if ($this->reference_array[$key]['mandatory'] && !$this->reference_array[$key]['selected'][0]) {
+				if (isset($this->reference_array[$key]['mandatory']) &&
+					$this->reference_array[$key]['mandatory'] &&
+					!$this->reference_array[$key]['selected'][0]) {
 					$this->msg .= sprintf($this->l->__('Please select at least one Element from field <b>%s</b>!<br>'), $this->reference_array[$key]['output_name']);
 				}
 			}
@@ -1119,20 +1124,25 @@ class Generate extends \CoreLibs\DB\Extended\ArrayIO
 				for ($i = 0; $i < $max; $i ++) {
 					// either one of the post pks is set, or the mandatory
 					foreach ($reference_array['elements'] as $el_name => $data_array) {
-						if (isset($data_array['mandatory'])) {
+						if (isset($data_array['mandatory']) && $data_array['mandatory']) {
 							$mand_name = $data_array['output_name'];
 						}
 						// check if there is a primary ket inside, so it is okay
 						if (isset($data_array['pk_id']) &&
 							count($_POST[$prfx.$el_name]) &&
-							isset($reference_array['mandatory'])
+							isset($reference_array['mandatory']) &&
+							$reference_array['mandatory']
 						) {
 							$mand_okay = 1;
 						}
 						// we found a mandatory field. check now if one is set to satisfy the main mandatory
 						// also check, if this field is mandatory and its not set, but any other, throw an error
 						// $this->debug('edit_error_chk', 'RG error - Data['.$prfx.$el_name.': '.$_POST[$prfx.$el_name][$i].' | '.$_POST[$prfx.$el_name].' - '.$reference_array['enable_name'].' - '.$_POST[$reference_array['enable_name']][$_POST[$prfx.$el_name][$i]]);
-						if (isset($data_array['mandatory']) && $_POST[$prfx.$el_name][$i]) {
+						if (isset($data_array['mandatory']) &&
+							$data_array['mandatory'] &&
+							isset($_POST[$prfx.$el_name][$i]) &&
+							$_POST[$prfx.$el_name][$i]
+						) {
 							$mand_okay = 1;
 							$row_okay[$i] = 1;
 						} elseif ($data_array['type'] == 'radio_group' && !isset($_POST[$prfx.$el_name])) {
@@ -1145,7 +1155,10 @@ class Generate extends \CoreLibs\DB\Extended\ArrayIO
 							// $this->debug('edit_error_chk', '[$i]');
 							$element_set[$i] = 1;
 							$row_okay[$i] = 1;
-						} elseif (isset($data_array['mandatory']) && !$_POST[$prfx.$el_name][$i]) {
+						} elseif (isset($data_array['mandatory']) &&
+							$data_array['mandatory'] &&
+							!$_POST[$prfx.$el_name][$i]
+						) {
 							$row_okay[$i] = 0;
 						}
 						// do optional error checks like for normal fields
@@ -1153,19 +1166,20 @@ class Generate extends \CoreLibs\DB\Extended\ArrayIO
 						if (isset($data_array['error_check'])) {
 							foreach (explode('|', $data_array['error_check']) as $error_check) {
 								switch ($error_check) {
-									// check unique, check if field in table is not yet exist
+									// check unique, check if field is filled and not same in _POST set
 									case 'unique':
-										$q = 'SELECT '.$_pk_name.' FROM '.$table_name.' WHERE '.$el_name.' = '."'".$this->dbEscapeString($_POST[$prfx.$el_name][$i])."'";
-										if ($this->table_array[$this->int_pk_name]['value']) {
-											$q .= ' AND '.$this->int_pk_name.' <> '.$this->table_array[$this->int_pk_name]['value'];
-										}
-										list($key) = $this->dbReturnRow($q);
-										if ($key) {
+										// must be set for double check
+										if ($_POST[$prfx.$el_name][$i] &&
+											count(array_keys($_POST[$prfx.$el_name], $_POST[$prfx.$el_name][$i])) >= 2
+										) {
 											$this->msg .= sprintf($this->l->__('The field <b>%s</b> in row <b>%s</b> can be used only once!<br>'), $reference_array['output_name'], $i);
 										}
 										break;
 									case 'alphanumericspace':
-										if (!preg_match("/^[0-9A-Za-z\ ]+$/", $_POST[$prfx.$el_name][$i])) {
+										// only check if set
+										if ($_POST[$prfx.$el_name][$i] &&
+											!preg_match("/^[0-9A-Za-z\ ]+$/", $_POST[$prfx.$el_name][$i])
+										) {
 											$this->msg .= sprintf($this->l->__('Please enter a valid alphanumeric (Numbers and Letters, spaces allowed) value for the <b>%s</b> Field and row <b>%s</b>!<br>'), $reference_array['output_name'], $i);
 										}
 										break;
@@ -1176,7 +1190,9 @@ class Generate extends \CoreLibs\DB\Extended\ArrayIO
 				}
 
 				// main mandatory is met -> error msg
-				if (!$mand_okay && isset($reference_array['mandatory'])) {
+				if (!$mand_okay &&
+					isset($reference_array['mandatory']) &&
+					$reference_array['mandatory']) {
 					$this->msg .= sprintf($this->l->__('You need to enter at least one data set for field <b>%s</b>!<Br>'), $reference_array['output_name']);
 				}
 				for ($i = 0; $i < $max; $i ++) {
@@ -1472,6 +1488,7 @@ class Generate extends \CoreLibs\DB\Extended\ArrayIO
 						// if we have enable name & delete set, then only insert/update those which are flagged as active
 						// check if mandatory field is set, if not set 'do not write flag'
 						if (isset($data_array['mandatory']) &&
+							$data_array['mandatory'] &&
 							(!isset($_POST[$prfx.$el_name][$i]) || (isset($_POST[$prfx.$el_name][$i]) && empty($_POST[$prfx.$el_name][$i])))
 						) {
 							$no_write[$i] = 1;
@@ -1678,7 +1695,9 @@ class Generate extends \CoreLibs\DB\Extended\ArrayIO
 	{
 		$data = array();
 		$output_name = $this->reference_array[$table_name]['output_name'];
-		if ($this->reference_array[$table_name]['mandatory']) {
+		if (isset($this->reference_array[$table_name]['mandatory']) &&
+			$this->reference_array[$table_name]['mandatory']
+		) {
 			$output_name .= ' *';
 		}
 		$data['name'] = $this->reference_array[$table_name]['other_table_pk'];
@@ -1708,7 +1727,9 @@ class Generate extends \CoreLibs\DB\Extended\ArrayIO
 		$data = array();
 		// output name for the viewable left table td box, prefixed with * if mandatory
 		$output_name = $this->element_list[$table_name]['output_name'];
-		if (isset($this->element_list[$table_name]['mandatory'])) {
+		if (isset($this->element_list[$table_name]['mandatory']) &&
+			$this->element_list[$table_name]['mandatory']
+		) {
 			$output_name .= ' *';
 		}
 		// delete button name, if there is one set
@@ -1789,7 +1810,7 @@ class Generate extends \CoreLibs\DB\Extended\ArrayIO
 			if ($this->error) {
 				if (isset($_POST[$el_name]) && is_array($_POST[$el_name])) {
 					// this is for the new line
-					$proto[$el_name] = $_POST[$el_name][(count($_POST[$el_name]) - 1)];
+					$proto[$el_name] = isset($_POST[$el_name][(count($_POST[$el_name]) - 1)]) ? $_POST[$el_name][(count($_POST[$el_name]) - 1)] : 0;
 				} else {
 					$proto[$el_name] = 0;
 				}