-// MySQL database class
-//
-// For debugging, insert 'dbg(x);' anywhere in the program flow.
-// x = 1: display db success/failure following content
-// x = 2: display full queries following content
-// x = 3: display full queries using echo; which will mess up display
-// really bad but will return output in stubborn cases.
-
-if(! class_exists('dba')) {
-class dba {
-
- private $debug = 0;
- private $db;
-
- function __construct($server,$user,$pass,$db,$install = false) {
- $this->db = @new mysqli($server,$user,$pass,$db);
- if((mysqli_connect_errno()) && (! install))
- system_unavailable();
- }
+require_once('include/datetime.php');
+
+/**
+ *
+ * MySQL database class
+ *
+ * For debugging, insert 'dbg(1);' anywhere in the program flow.
+ * dbg(0); will turn it off. Logging is performed at LOGGER_DATA level.
+ * When logging, all binary info is converted to
+ * text and html entities are escaped so that
+ * the debugging stream is safe to view
+ * within both terminals and web pages.
+ *
+ */
+
+if(! class_exists('dba')) {
+
+ class dba {
+
+ private $debug = 0;
+ private $db;
+ private $exceptions;
+
+ public $mysqli = true;
+ public $connected = false;
+ public $error = false;
+
+ function __construct($server,$user,$pass,$db,$install = false) {
+
+ $server = trim($server);
+ $user = trim($user);
+ $pass = trim($pass);
+ $db = trim($db);
+
+ //we need both, server and username, so fail if one is missing
+ if (!(strlen($server) && strlen($user))){
+ $this->connected = false;
+ $this->db = null;
+ throw new InvalidArgumentException(t("Server name of user name are missing. "));
+ }
+
+ //when we are installing
+ if($install) {
+ if(strlen($server) && ($server !== 'localhost') && ($server !== '127.0.0.1')) {
+ if(! dns_get_record($server, DNS_A + DNS_CNAME + DNS_PTR)) {
+ $this->connected = false;
+ $this->db = null;
+ throw new InvalidArgumentException( t('Cannot locate DNS info for database server \'%s\''), $server);
+ }
+ }
+ }
+
+ if(class_exists('mysqli')) {
+ $this->db = new mysqli($server,$user,$pass,$db);
+ if(NULL === $this->db->connect_error) {
+ $this->connected = true;
+ } else {
+ throw new RuntimeException($this->db->connect_error);
+ }
+ } else {
+ $this->mysqli = false;
+ $this->db = mysql_connect($server,$user,$pass);
+ if($this->db && mysql_select_db($db,$this->db)) {
+ $this->connected = true;
+ } else {
+ throw new RuntimeException(mysql_error());
+ }
+ }
+ }
+
+ public function excep($excep) {
+ $this->exceptions=$excep;
+ }
+
+ public function getdb() {
+ return $this->db;
+ }
+
+ public function q($sql) {
+
+ if((! $this->db) || (! $this->connected)) {
+ $this->throwOrLog(new RuntimeException(t("There is no db connection. ")));
+ return;
+ }
+
+ if($this->mysqli) {
+ $result = $this->db->query($sql);
+ } else {
+ $result = mysql_query($sql,$this->db);
+ }
+
+ //on debug mode or fail, the query is written to the log.
+ //this won't work if logger can not read it's logging level
+ //from the db.
+ if($this->debug || FALSE === $result) {
+
+ $mesg = '';
+
+ if($result === false) {
+ $mesg = 'false '.$this->error();
+ } elseif($result === true) {
+ $mesg = 'true';
+ } else {
+ if($this->mysqli) {
+ $mesg = $result->num_rows . t(' results') . EOL;
+ } else {
+ $mesg = mysql_num_rows($result) . t(' results') . EOL;
+ }
+ }
+
+ $str = 'SQL = ' . printable($sql) . EOL . t('SQL returned ') . $mesg . EOL;
+
+
+ // 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.
+ if(file_exists('dbfail.out')) {\r
+ file_put_contents('dbfail.out', datetime_convert() . "\n" . $str . "\n", FILE_APPEND);
+ }
+ logger('dba: ' . $str );
+ if(FALSE===$result) {
+ $this->throwOrLog(new RuntimeException('dba: ' . $str));
+ return;
+ }
+ }
+
+
+ if($result === true) {
+ return $result;
+ }
+
+ $r = array();
+ if($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);
+ }
+ }