X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=include%2Fdba.php;h=7455b6b3ee2c8053a1f45937e2196062554104d5;hb=1fac47a2470c392adc2f5a2201f618a804be5136;hp=d3da8eae055471b656142dad8ee6b63fb0944740;hpb=5ff1462e1e98e97f623022c23deea0147c62327b;p=friendica.git

diff --git a/include/dba.php b/include/dba.php
old mode 100644
new mode 100755
index d3da8eae05..7455b6b3ee
--- a/include/dba.php
+++ b/include/dba.php
@@ -16,16 +16,52 @@ class dba {
 
 	private $debug = 0;
 	private $db;
+	public  $mysqli = true;
 	public  $connected = false;
+	public  $error = false;
 
 	function __construct($server,$user,$pass,$db,$install = false) {
-		$this->db = @new mysqli($server,$user,$pass,$db);
-		if((mysqli_connect_errno()) && (! $install)) {
+
+		$server = trim($server);
+		$user = trim($user);
+		$pass = trim($pass);
+		$db = trim($db);
+
+		if (!(strlen($server) && strlen($user))){
+			$this->connected = false;
 			$this->db = null;
-			system_unavailable();
+			return;			
+		}
+		
+		if($install) {
+			if(strlen($server) && ($server !== 'localhost') && ($server !== '127.0.0.1')) {
+				if(! dns_get_record($server, DNS_A + DNS_CNAME + DNS_PTR)) {
+					$this->error = sprintf( t('Cannot locate DNS info for database server \'%s\''), $server);
+					$this->connected = false;
+					$this->db = null;
+					return;
+				}
+			}
+		}
+
+		if(class_exists('mysqli')) {
+			$this->db = @new mysqli($server,$user,$pass,$db);
+			if(! mysqli_connect_errno()) {
+				$this->connected = true;
+			}
+		}
+		else {
+			$this->mysqli = false;
+			$this->db = mysql_connect($server,$user,$pass);
+			if($this->db && mysql_select_db($db,$this->db)) {
+				$this->connected = true;
+			}
+		}
+		if(! $this->connected) {
+			$this->db = null;
+			if(! $install)
+				system_unavailable();
 		}
-		else
-			$this->connected = true;    
 	}
 
 	public function getdb() {
@@ -34,32 +70,43 @@ class dba {
 
 	public function q($sql) {
 		
-		if(! $this->db )
+		if((! $this->db) || (! $this->connected))
 			return false;
 		
-		$result = @$this->db->query($sql);
+		if($this->mysqli)
+			$result = @$this->db->query($sql);
+		else
+			$result = @mysql_query($sql,$this->db);
 
 		if($this->debug) {
 
 			$mesg = '';
 
-			if($this->db->errno)
-				logger('dba: ' . $this->db->error);
+			if($this->mysqli) {
+				if($this->db->errno)
+					logger('dba: ' . $this->db->error);
+			}
+			elseif(mysql_errno($this->db))
+				logger('dba: ' . mysql_error($this->db));
 
 			if($result === false)
 				$mesg = 'false';
 			elseif($result === true)
 				$mesg = 'true';
-			else
-				$mesg = $result->num_rows . ' results' . EOL;
-        
+			else {
+				if($this->mysqli)
+					$mesg = $result->num_rows . ' results' . EOL;
+    			else
+					$mesg = mysql_num_rows($result) . ' results' . EOL;
+			}
+    
 			$str =  'SQL = ' . printable($sql) . EOL . 'SQL returned ' . $mesg . EOL;
 
 			logger('dba: ' . $str );
 		}
 		else {
 
-			/*
+			/**
 			 * If dbfail.out exists, we will write any failed calls directly to it,
 			 * regardless of any logging that may or may nor be in effect.
 			 * These usually indicate SQL syntax errors that need to be resolved.
@@ -76,11 +123,21 @@ class dba {
 			return $result;
 
 		$r = array();
-		if($result->num_rows) {
-			while($x = $result->fetch_array(MYSQL_ASSOC))
-				$r[] = $x;
-			$result->free_result();
+		if($this->mysqli) {
+			if($result->num_rows) {
+				while($x = $result->fetch_array(MYSQLI_ASSOC))
+					$r[] = $x;
+				$result->free_result();
+			}
 		}
+		else {
+			if(mysql_num_rows($result)) {
+				while($x = mysql_fetch_array($result, MYSQL_ASSOC))
+					$r[] = $x;
+				mysql_free_result($result);
+			}
+		}
+
     
 		if($this->debug)
 			logger('dba: ' . printable(print_r($r, true)), LOGGER_DATA);
@@ -92,11 +149,20 @@ class dba {
 	}
 
 	public function escape($str) {
-		return @$this->db->real_escape_string($str);
+		if($this->db && $this->connected) {
+			if($this->mysqli)
+				return @$this->db->real_escape_string($str);
+			else
+				return @mysql_real_escape_string($str,$this->db);
+		}
 	}
 
 	function __destruct() {
-		@$this->db->close();
+		if ($this->db) 
+			if($this->mysqli)
+				$this->db->close();
+			else
+				mysql_close($this->db);
 	}
 }}
 
@@ -113,19 +179,21 @@ function printable($s) {
 if(! function_exists('dbg')) { 
 function dbg($state) {
 	global $db;
+	if($db)
 	$db->dbg($state);
 }}
 
 if(! function_exists('dbesc')) { 
 function dbesc($str) {
 	global $db;
-	if($db->connected)
+	if($db && $db->connected)
 		return($db->escape($str));
 	else
 		return(str_replace("'","\\'",$str));
 }}
 
 
+
 // Function: q($sql,$args);
 // Description: execute SQL query with printf style args.
 // Example: $r = q("SELECT * FROM `%s` WHERE `uid` = %d",
@@ -138,7 +206,7 @@ function q($sql) {
 	$args = func_get_args();
 	unset($args[0]);
 
-	if($db->connected) {
+	if($db && $db->connected) {
 		$ret = $db->q(vsprintf($sql,$args));
 		return $ret;
 	}
@@ -149,7 +217,6 @@ function q($sql) {
 	 * session data after abnormal program termination 
 	 *
 	 */
-
 	logger('dba: no database: ' . print_r($args,true));
 	return false; 
 
@@ -165,7 +232,7 @@ if(! function_exists('dbq')) {
 function dbq($sql) {
 
 	global $db;
-	if($db->connected)
+	if($db && $db->connected)
 		$ret = $db->q($sql);
 	else
 		$ret = false;
@@ -191,4 +258,6 @@ function dbesc_array(&$arr) {
 	if(is_array($arr) && count($arr)) {
 		array_walk($arr,'dbesc_array_cb');
 	}
-}}		
\ No newline at end of file
+}}		
+
+