194 lines
No EOL
4 KiB
PHP
194 lines
No EOL
4 KiB
PHP
<?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;
|
|
public $connected = false;
|
|
|
|
function __construct($server,$user,$pass,$db,$install = false) {
|
|
$this->db = @new mysqli($server,$user,$pass,$db);
|
|
if((mysqli_connect_errno()) && (! $install)) {
|
|
$this->db = null;
|
|
system_unavailable();
|
|
}
|
|
else
|
|
$this->connected = true;
|
|
}
|
|
|
|
public function getdb() {
|
|
return $this->db;
|
|
}
|
|
|
|
public function q($sql) {
|
|
|
|
if(! $this->db )
|
|
return false;
|
|
|
|
$result = @$this->db->query($sql);
|
|
|
|
if($this->debug) {
|
|
|
|
$mesg = '';
|
|
|
|
if($this->db->errno)
|
|
logger('dba: ' . $this->db->error);
|
|
|
|
if($result === false)
|
|
$mesg = 'false';
|
|
elseif($result === true)
|
|
$mesg = 'true';
|
|
else
|
|
$mesg = $result->num_rows . ' results' . EOL;
|
|
|
|
$str = 'SQL = ' . printable($sql) . EOL . 'SQL returned ' . $mesg . EOL;
|
|
|
|
logger('dba: ' . $str );
|
|
}
|
|
else {
|
|
|
|
/*
|
|
* If dbfail.out exists, we will write any failed calls directly to it,
|
|
* regardless of any logging that may or may nor be in effect.
|
|
* These usually indicate SQL syntax errors that need to be resolved.
|
|
*/
|
|
|
|
if($result === false) {
|
|
logger('dba: ' . printable($sql) . ' returned false.');
|
|
if(file_exists('dbfail.out'))
|
|
file_put_contents('dbfail.out', printable($sql) . ' returned false' . "\n", FILE_APPEND);
|
|
}
|
|
}
|
|
|
|
if(($result === true) || ($result === false))
|
|
return $result;
|
|
|
|
$r = array();
|
|
if($result->num_rows) {
|
|
while($x = $result->fetch_array(MYSQL_ASSOC))
|
|
$r[] = $x;
|
|
$result->free_result();
|
|
}
|
|
|
|
if($this->debug)
|
|
logger('dba: ' . printable(print_r($r, true)), LOGGER_DATA);
|
|
return($r);
|
|
}
|
|
|
|
public function dbg($dbg) {
|
|
$this->debug = $dbg;
|
|
}
|
|
|
|
public function escape($str) {
|
|
return @$this->db->real_escape_string($str);
|
|
}
|
|
|
|
function __destruct() {
|
|
@$this->db->close();
|
|
}
|
|
}}
|
|
|
|
if(! function_exists('printable')) {
|
|
function printable($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 $s;
|
|
}}
|
|
|
|
// Procedural functions
|
|
if(! function_exists('dbg')) {
|
|
function dbg($state) {
|
|
global $db;
|
|
$db->dbg($state);
|
|
}}
|
|
|
|
if(! function_exists('dbesc')) {
|
|
function dbesc($str) {
|
|
global $db;
|
|
if($db->connected)
|
|
return($db->escape($str));
|
|
else
|
|
return(str_replace("'","\\'",$str));
|
|
}}
|
|
|
|
|
|
// Function: q($sql,$args);
|
|
// Description: execute SQL query with printf style args.
|
|
// Example: $r = q("SELECT * FROM `%s` WHERE `uid` = %d",
|
|
// 'user', 1);
|
|
|
|
if(! function_exists('q')) {
|
|
function q($sql) {
|
|
|
|
global $db;
|
|
$args = func_get_args();
|
|
unset($args[0]);
|
|
|
|
if($db->connected) {
|
|
$ret = $db->q(vsprintf($sql,$args));
|
|
return $ret;
|
|
}
|
|
|
|
/**
|
|
*
|
|
* This will happen occasionally trying to store the
|
|
* session data after abnormal program termination
|
|
*
|
|
*/
|
|
|
|
logger('dba: no database: ' . print_r($args,true));
|
|
return false;
|
|
|
|
}}
|
|
|
|
/**
|
|
*
|
|
* Raw db query, no arguments
|
|
*
|
|
*/
|
|
|
|
if(! function_exists('dbq')) {
|
|
function dbq($sql) {
|
|
|
|
global $db;
|
|
if($db->connected)
|
|
$ret = $db->q($sql);
|
|
else
|
|
$ret = false;
|
|
return $ret;
|
|
}}
|
|
|
|
|
|
// Caller is responsible for ensuring that any integer arguments to
|
|
// dbesc_array are actually integers and not malformed strings containing
|
|
// SQL injection vectors. All integer array elements should be specifically
|
|
// cast to int to avoid trouble.
|
|
|
|
|
|
if(! function_exists('dbesc_array_cb')) {
|
|
function dbesc_array_cb(&$item, $key) {
|
|
if(is_string($item))
|
|
$item = dbesc($item);
|
|
}}
|
|
|
|
|
|
if(! function_exists('dbesc_array')) {
|
|
function dbesc_array(&$arr) {
|
|
if(is_array($arr) && count($arr)) {
|
|
array_walk($arr,'dbesc_array_cb');
|
|
}
|
|
}}
|