update fat free php framework version 3.0.8

Author: SSilence

README.md

@@ -55,6 +55,7 @@ Version 2.8-SNAPSHOT
 * improved Expires section and Compression in .htaccess (thanks a lot to S Anand)
 * make api item listing, tags and sources stats accessible for non loggedin users in public mode
 * replace file_get_content for icon fetching with curl based version for prevent allow_url_fopen problems
+* update fat free php framework version 3.0.8
 
 Version 2.7
 * new spout for instapaper (thanks a lot to janeczku)

libs/f3/audit.php

@@ -16,6 +16,13 @@
 //! Data validator
 class Audit extends Prefab {
 
+	//@{ User agents
+	const
+		UA_Mobile='android|blackberry|iphone|ipod|palm|windows\s+ce',
+		UA_Desktop='bsd|linux|os\s+[x9]|solaris|windows',
+		UA_Bot='bot|crawl|slurp|spider';
+	//@}
+
 	/**
 	*	Return TRUE if string is a valid URL
 	*	@return bool
@@ -87,6 +94,26 @@ function ispublic($addr) {
 			FILTER_FLAG_NO_PRIV_RANGE|FILTER_FLAG_NO_RES_RANGE);
 	}
 
+	/**
+	*	Return TRUE if user agent is a desktop browser
+	*	@return bool
+	**/
+	function isdesktop() {
+		$agent=Base::instance()->get('AGENT');
+		return empty($agent) ||
+			(!preg_match('/('.self::UA_Mobile.')/i',$agent) &&
+				preg_match('/('.self::UA_Desktop.')/i',$agent) ||
+				preg_match('/('.self::UA_Bot.')/i',$agent));
+	}
+
+	/**
+	*	Return TRUE if user agent is a mobile device
+	*	@return bool
+	**/
+	function ismobile() {
+		return !$this->isdesktop();
+	}
+
 	/**
 	*	Return TRUE if specified ID has a valid (Luhn) Mod-10 check digit
 	*	@return bool
@@ -126,4 +153,17 @@ function card($id) {
 		return FALSE;
 	}
 
+	/**
+	*	Return entropy estimate of a password (NIST 800-63)
+	*	@return int
+	*	@param $str string
+	**/
+	function entropy($str) {
+		$len=strlen($str);
+		return 4*min($len,1)+($len>1?(2*(min($len,8)-1)):0)+
+			($len>8?(1.5*(min($len,20)-8)):0)+($len>20?($len-20):0)+
+			6*(bool)(preg_match(
+				'/[A-Z].*?[0-9[:punct:]]|[0-9[:punct:]].*?[A-Z]/',$str));
+	}
+
 }

libs/f3/auth.php

@@ -14,7 +14,7 @@
 */
 
 //! Authorization/authentication plug-in
-class Auth extends Prefab {
+class Auth {
 
 	//@{ Error messages
 	const