423 lines
9.7 KiB
PHP
423 lines
9.7 KiB
PHP
<?php
|
|
require_once("dbm.php");
|
|
|
|
# if PDO is avaible for mysql, use the new database abstraction
|
|
# TODO: PDO is disabled for release 3.3. We need to investigate why
|
|
# the update from 3.2 fails with pdo
|
|
/*
|
|
if(class_exists('\PDO') && in_array('mysql', PDO::getAvailableDrivers())) {
|
|
require_once("library/dddbl2/dddbl.php");
|
|
require_once("include/dba_pdo.php");
|
|
}
|
|
*/
|
|
|
|
|
|
require_once('include/datetime.php');
|
|
|
|
/**
|
|
* @class 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 $result;
|
|
public $mysqli = true;
|
|
public $connected = false;
|
|
public $error = false;
|
|
|
|
function __construct($server,$user,$pass,$db,$install = false) {
|
|
global $a;
|
|
|
|
$stamp1 = microtime(true);
|
|
|
|
$server = trim($server);
|
|
$user = trim($user);
|
|
$pass = trim($pass);
|
|
$db = trim($db);
|
|
|
|
if (!(strlen($server) && strlen($user))){
|
|
$this->connected = false;
|
|
$this->db = null;
|
|
return;
|
|
}
|
|
|
|
if($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()) {
|
|
$this->connected = true;
|
|
}
|
|
if (isset($a->config["system"]["db_charset"]))
|
|
$this->db->set_charset($a->config["system"]["db_charset"]);
|
|
}
|
|
else {
|
|
$this->mysqli = false;
|
|
$this->db = mysql_connect($server,$user,$pass);
|
|
if($this->db && mysql_select_db($db,$this->db)) {
|
|
$this->connected = true;
|
|
}
|
|
if (isset($a->config["system"]["db_charset"]))
|
|
mysql_set_charset($a->config["system"]["db_charset"], $this->db);
|
|
}
|
|
if(! $this->connected) {
|
|
$this->db = null;
|
|
if(! $install)
|
|
system_unavailable();
|
|
}
|
|
|
|
$a->save_timestamp($stamp1, "network");
|
|
}
|
|
|
|
public function getdb() {
|
|
return $this->db;
|
|
}
|
|
|
|
/**
|
|
* @brief Returns the MySQL server version string
|
|
*
|
|
* This function discriminate between the deprecated mysql API and the current
|
|
* object-oriented mysqli API. Example of returned string: 5.5.46-0+deb8u1
|
|
*
|
|
* @return string
|
|
*/
|
|
public function server_info() {
|
|
if ($this->mysqli) {
|
|
$return = $this->db->server_info;
|
|
} else {
|
|
$return = mysql_get_server_info($this->db);
|
|
}
|
|
return $return;
|
|
}
|
|
|
|
public function q($sql, $onlyquery = false) {
|
|
global $a;
|
|
|
|
if((! $this->db) || (! $this->connected))
|
|
return false;
|
|
|
|
$this->error = '';
|
|
|
|
// Check the connection (This can reconnect the connection - if configured)
|
|
if ($this->mysqli)
|
|
$connected = $this->db->ping();
|
|
else
|
|
$connected = mysql_ping($this->db);
|
|
|
|
$connstr = ($connected ? "Connected": "Disonnected");
|
|
|
|
$stamp1 = microtime(true);
|
|
|
|
if($this->mysqli)
|
|
$result = @$this->db->query($sql);
|
|
else
|
|
$result = @mysql_query($sql,$this->db);
|
|
|
|
$stamp2 = microtime(true);
|
|
$duration = (float)($stamp2-$stamp1);
|
|
|
|
$a->save_timestamp($stamp1, "database");
|
|
|
|
if (strtolower(substr($sql, 0, 6)) != "select")
|
|
$a->save_timestamp($stamp1, "database_write");
|
|
|
|
if(x($a->config,'system') && x($a->config['system'],'db_log')) {
|
|
if (($duration > $a->config["system"]["db_loglimit"])) {
|
|
$duration = round($duration, 3);
|
|
$backtrace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS);
|
|
@file_put_contents($a->config["system"]["db_log"], datetime_convert()."\t".$duration."\t".
|
|
basename($backtrace[1]["file"])."\t".
|
|
$backtrace[1]["line"]."\t".$backtrace[2]["function"]."\t".
|
|
substr($sql, 0, 2000)."\n", FILE_APPEND);
|
|
}
|
|
}
|
|
|
|
if($this->mysqli) {
|
|
if($this->db->errno) {
|
|
$this->error = $this->db->error;
|
|
$this->errorno = $this->db->errno;
|
|
}
|
|
} elseif(mysql_errno($this->db)) {
|
|
$this->error = mysql_error($this->db);
|
|
$this->errorno = mysql_errno($this->db);
|
|
}
|
|
|
|
if(strlen($this->error)) {
|
|
logger('DB Error ('.$connstr.') '.$this->errorno.': '.$this->error);
|
|
}
|
|
|
|
if($this->debug) {
|
|
|
|
$mesg = '';
|
|
|
|
if($result === false)
|
|
$mesg = 'false';
|
|
elseif($result === true)
|
|
$mesg = 'true';
|
|
else {
|
|
if($this->mysqli)
|
|
$mesg = $result->num_rows . ' results' . EOL;
|
|
else
|
|
$mesg = mysql_num_rows($result) . ' results' . EOL;
|
|
}
|
|
|
|
$str = 'SQL = ' . printable($sql) . EOL . 'SQL returned ' . $mesg
|
|
. (($this->error) ? ' error: ' . $this->error : '')
|
|
. EOL;
|
|
|
|
logger('dba: ' . $str );
|
|
}
|
|
|
|
/**
|
|
* If dbfail.out exists, we will write any failed calls directly to it,
|
|
* regardless of any logging that may or may nor be in effect.
|
|
* These usually indicate SQL syntax errors that need to be resolved.
|
|
*/
|
|
|
|
if($result === false) {
|
|
logger('dba: ' . printable($sql) . ' returned false.' . "\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 $result;
|
|
|
|
if ($onlyquery) {
|
|
$this->result = $result;
|
|
return true;
|
|
}
|
|
|
|
$r = array();
|
|
if($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);
|
|
}
|
|
}
|
|
|
|
//$a->save_timestamp($stamp1, "database");
|
|
|
|
if($this->debug)
|
|
logger('dba: ' . printable(print_r($r, true)));
|
|
return($r);
|
|
}
|
|
|
|
public function qfetch() {
|
|
$x = false;
|
|
|
|
if ($this->result)
|
|
if($this->mysqli) {
|
|
if($this->result->num_rows)
|
|
$x = $this->result->fetch_array(MYSQLI_ASSOC);
|
|
} else {
|
|
if(mysql_num_rows($this->result))
|
|
$x = mysql_fetch_array($this->result, MYSQL_ASSOC);
|
|
}
|
|
|
|
return($x);
|
|
}
|
|
|
|
public function qclose() {
|
|
if ($this->result)
|
|
if($this->mysqli) {
|
|
$this->result->free_result();
|
|
} else {
|
|
mysql_free_result($this->result);
|
|
}
|
|
}
|
|
|
|
public function dbg($dbg) {
|
|
$this->debug = $dbg;
|
|
}
|
|
|
|
public function escape($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 connected() {
|
|
if ($this->mysqli)
|
|
$connected = $this->db->ping();
|
|
else
|
|
$connected = mysql_ping($this->db);
|
|
|
|
return $connected;
|
|
}
|
|
|
|
function __destruct() {
|
|
if ($this->db)
|
|
if($this->mysqli)
|
|
$this->db->close();
|
|
else
|
|
mysql_close($this->db);
|
|
}
|
|
}}
|
|
|
|
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 $db;
|
|
if($db)
|
|
$db->dbg($state);
|
|
}}
|
|
|
|
if(! function_exists('dbesc')) {
|
|
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: $r = q("SELECT * FROM `%s` WHERE `uid` = %d",
|
|
// 'user', 1);
|
|
|
|
if(! function_exists('q')) {
|
|
function q($sql) {
|
|
|
|
global $db;
|
|
$args = func_get_args();
|
|
unset($args[0]);
|
|
|
|
if($db && $db->connected) {
|
|
$stmt = @vsprintf($sql,$args); // Disabled warnings
|
|
//logger("dba: q: $stmt", LOGGER_ALL);
|
|
if($stmt === false)
|
|
logger('dba: vsprintf error: ' . print_r(debug_backtrace(),true), LOGGER_DEBUG);
|
|
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;
|
|
|
|
}}
|
|
|
|
/**
|
|
* @brief Performs a query with "dirty reads"
|
|
*
|
|
* By doing dirty reads (reading uncommitted data) no locks are performed
|
|
* This function can be used to fetch data that doesn't need to be reliable.
|
|
*
|
|
* @param $args Query parameters (1 to N parameters of different types)
|
|
* @return array Query array
|
|
*/
|
|
function qu($sql) {
|
|
|
|
global $db;
|
|
$args = func_get_args();
|
|
unset($args[0]);
|
|
|
|
if($db && $db->connected) {
|
|
$stmt = @vsprintf($sql,$args); // Disabled warnings
|
|
if($stmt === false)
|
|
logger('dba: vsprintf error: ' . print_r(debug_backtrace(),true), LOGGER_DEBUG);
|
|
$db->q("SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;");
|
|
$retval = $db->q($stmt);
|
|
$db->q("COMMIT;");
|
|
return $retval;
|
|
}
|
|
|
|
/**
|
|
*
|
|
* This will happen occasionally trying to store the
|
|
* session data after abnormal program termination
|
|
*
|
|
*/
|
|
logger('dba: no database: ' . print_r($args,true));
|
|
return false;
|
|
|
|
}
|
|
|
|
/**
|
|
*
|
|
* Raw db query, no arguments
|
|
*
|
|
*/
|
|
|
|
if(! function_exists('dbq')) {
|
|
function dbq($sql) {
|
|
|
|
global $db;
|
|
if($db && $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');
|
|
}
|
|
}}
|
|
|
|
|
|
function dba_timer() {
|
|
return microtime(true);
|
|
}
|