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-rw-r--r--include/dba/dba_driver.php164
-rw-r--r--include/dba/dba_mysql.php63
-rw-r--r--include/dba/dba_mysqli.php71
3 files changed, 298 insertions, 0 deletions
diff --git a/include/dba/dba_driver.php b/include/dba/dba_driver.php
new file mode 100644
index 000000000..1091b9632
--- /dev/null
+++ b/include/dba/dba_driver.php
@@ -0,0 +1,164 @@
+<?php /** @file */
+
+function dba_factory($server,$user,$pass,$db,$install = false) {
+ $dba = null;
+
+ if(class_exists('mysqli')) {
+ require_once('include/dba/dba_mysqli.php');
+ $dba = new dba_mysqli($server,$user,$pass,$db,$install);
+ }
+ else {
+ require_once('include/dba/dba_mysql.php');
+ $dba = new dba_mysql($server,$user,$pass,$db,$install);
+ }
+
+ return $dba;
+}
+
+
+abstract class dba_driver {
+
+ protected $debug = 0;
+ protected $db;
+ public $connected = false;
+ public $error = false;
+
+ abstract function connect($server,$user,$pass,$db);
+ abstract function q($sql);
+ abstract function escape($str);
+ abstract function close();
+
+ function __construct($server,$user,$pass,$db,$install = false) {
+ if(($install) && (! $this->install($server,$user,$pass,$db))) {
+ return;
+ }
+ $this->connect($server,$user,$pass,$db);
+ }
+
+
+ function install($server,$user,$pass,$db) {
+ if (!(strlen($server) && strlen($user))){
+ $this->connected = false;
+ $this->db = null;
+ return false;
+ }
+
+ if(strlen($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;
+ $this->db = null;
+ return false;
+ }
+ }
+ }
+
+
+ function dbg($dbg) {
+ $this->debug = $dbg;
+ }
+
+ function __destruct() {
+ if($this->db && $this->connected) {
+ $this->close();
+ }
+ }
+
+}
+
+
+
+function printable($s) {
+ $s = preg_replace("~([\x01-\x08\x0E-\x0F\x10-\x1F\x7F-\xFF])~",".", $s);
+ $s = str_replace("\x00",'.',$s);
+ if(x($_SERVER,'SERVER_NAME'))
+ $s = escape_tags($s);
+ return $s;
+}
+
+// Procedural functions
+
+function dbg($state) {
+ global $db;
+ if($db)
+ $db->dbg($state);
+}
+
+
+function dbesc($str) {
+ global $db;
+ if($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: $r = q("SELECT * FROM `%s` WHERE `uid` = %d",
+// 'user', 1);
+
+
+function q($sql) {
+
+ global $db;
+ $args = func_get_args();
+ unset($args[0]);
+
+ if($db && $db->connected) {
+ $stmt = vsprintf($sql,$args);
+ if($stmt === false)
+ logger('dba: vsprintf error: ' . print_r(debug_backtrace(),true));
+ return $db->q($stmt);
+ }
+
+ /**
+ *
+ * This will happen occasionally trying to store the
+ * session data after abnormal program termination
+ *
+ */
+ logger('dba: no database: ' . print_r($args,true));
+ return false;
+
+}
+
+/**
+ *
+ * Raw db query, no arguments
+ *
+ */
+
+
+function dbq($sql) {
+
+ global $db;
+ if($db && $db->connected)
+ $ret = $db->q($sql);
+ else
+ $ret = false;
+ return $ret;
+}
+
+
+// Caller is responsible for ensuring that any integer arguments to
+// dbesc_array are actually integers and not malformed strings containing
+// SQL injection vectors. All integer array elements should be specifically
+// cast to int to avoid trouble.
+
+
+
+function dbesc_array_cb(&$item, $key) {
+ if(is_string($item))
+ $item = dbesc($item);
+}
+
+
+
+function dbesc_array(&$arr) {
+ if(is_array($arr) && count($arr)) {
+ array_walk($arr,'dbesc_array_cb');
+ }
+}
diff --git a/include/dba/dba_mysql.php b/include/dba/dba_mysql.php
new file mode 100644
index 000000000..05e19903d
--- /dev/null
+++ b/include/dba/dba_mysql.php
@@ -0,0 +1,63 @@
+<?php
+
+require_once('include/dba/dba_driver.php');
+
+
+class dba_mysql extends dba_driver {
+
+ function connect($server,$user,$pass,$db) {
+ $this->db = mysql_connect($server,$user,$pass);
+ if($this->db && mysql_select_db($db,$this->db)) {
+ $this->connected = true;
+ }
+ if($this->connected) {
+ return true;
+ }
+ return false;
+ }
+
+
+ function q($sql) {
+ if((! $this->db) || (! $this->connected))
+ return false;
+
+ $this->error = '';
+ $result = @mysql_query($sql,$this->db);
+
+
+ if(mysql_errno($this->db))
+ $this->error = mysql_error($this->db);
+
+ if($result === false || $this->error) {
+ logger('dba_mysql: ' . printable($sql) . ' returned false.' . "\n" . $this->error);
+ if(file_exists('dbfail.out'))
+ file_put_contents('dbfail.out', datetime_convert() . "\n" . printable($sql) . ' returned false' . "\n" . $this->error . "\n", FILE_APPEND);
+ }
+
+ if(($result === true) || ($result === false))
+ return $result;
+
+ $r = array();
+ if(mysql_num_rows($result)) {
+ while($x = mysql_fetch_array($result,MYSQL_ASSOC))
+ $r[] = $x;
+ mysql_free_result($result);
+ if($this->debug)
+ logger('dba_mysql: ' . printable(print_r($r,true)));
+ }
+ return $r;
+ }
+
+ function escape($str) {
+ if($this->db && $this->connected) {
+ return @mysql_real_escape_string($str,$this->db);
+ }
+ }
+
+ function close() {
+ if($this->db)
+ mysql_close($this->db);
+ $this->connected = false;
+ }
+
+}
diff --git a/include/dba/dba_mysqli.php b/include/dba/dba_mysqli.php
new file mode 100644
index 000000000..af9a2434e
--- /dev/null
+++ b/include/dba/dba_mysqli.php
@@ -0,0 +1,71 @@
+<?php /** @file */
+
+require_once('include/dba/dba_driver.php');
+
+class dba_mysqli extends dba_driver {
+
+ function connect($server,$user,$pass,$db) {
+ $this->db = new mysqli($server,$user,$pass,$db);
+ if(! mysqli_connect_errno()) {
+ $this->connected = true;
+ }
+ if($this->connected) {
+ return true;
+ }
+ return false;
+ }
+
+ function q($sql) {
+ if((! $this->db) || (! $this->connected))
+ return false;
+
+ $this->error = '';
+ $result = $this->db->query($sql);
+
+ if($this->db->errno)
+ $this->error = $this->db->error;
+
+
+ if($this->error) {
+ logger('dba_mysqli: ERROR: ' . printable($sql) . "\n" . $this->error);
+ if(file_exists('dbfail.out')) {
+ file_put_contents('dbfail.out', datetime_convert() . "\n" . printable($sql) . "\n" . $this->error . "\n", FILE_APPEND);
+ }
+ }
+
+ if(($result === true) || ($result === false)) {
+ if($this->debug) {
+ logger('dba_mysqli: DEBUG: returns ' . (($result) ? 'true' : 'false'));
+ }
+ return $result;
+ }
+
+ if($this->debug) {
+ logger('dba_mysqli: DEBUG: ' . printable($sql) . ' returned ' . $result->num_rows . ' results.');
+ }
+
+ $r = array();
+ if($result->num_rows) {
+ while($x = $result->fetch_array(MYSQLI_ASSOC))
+ $r[] = $x;
+ $result->free_result();
+ if($this->debug) {
+ logger('dba_mysqli: ' . printable(print_r($r,true)));
+ }
+ }
+ return $r;
+ }
+
+ function escape($str) {
+ if($this->db && $this->connected) {
+ return @$this->db->real_escape_string($str);
+ }
+ }
+
+ function close() {
+ if($this->db)
+ $this->db->close();
+ $this->connected = flase;
+ }
+
+} \ No newline at end of file
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-15 15:51:34 +0000