mirror of
https://github.com/librenms/librenms.git
synced 2024-10-07 16:52:45 +00:00
586 lines
16 KiB
PHP
586 lines
16 KiB
PHP
<?php
|
|
|
|
/*
|
|
* dbFacile - A Database API that should have existed from the start
|
|
* Version 0.4.3
|
|
*
|
|
* This code is covered by the MIT license http://en.wikipedia.org/wiki/MIT_License
|
|
*
|
|
* By Alan Szlosek from http://www.greaterscope.net/projects/dbFacile
|
|
*
|
|
* The non-OO version of dbFacile. It's a bit simplistic, but gives you the
|
|
* really useful bits in non-class form.
|
|
*
|
|
* Usage
|
|
* 1. Connect to MySQL as you normally would ... this code uses an existing connection
|
|
* 2. Use dbFacile as you normally would, without the object context
|
|
* 3. Oh, and dbFetchAll() is now dbFetchRows()
|
|
*/
|
|
|
|
/*
|
|
* Performs a query using the given string.
|
|
* Used by the other _query functions.
|
|
* */
|
|
|
|
|
|
function dbQuery($sql, $parameters=array()) {
|
|
global $fullSql, $debug, $sql_debug, $console_color, $database_link;
|
|
$fullSql = dbMakeQuery($sql, $parameters);
|
|
if ($debug) {
|
|
if (php_sapi_name() == 'cli' && empty($_SERVER['REMOTE_ADDR'])) {
|
|
if (preg_match('/(INSERT INTO `alert_log`).*(details)/i',$fullSql)) {
|
|
echo "\nINSERT INTO `alert_log` entry masked due to binary data\n";
|
|
}
|
|
else {
|
|
print $console_color->convert("\nSQL[%y".$fullSql.'%n] ');
|
|
}
|
|
}
|
|
else {
|
|
$sql_debug[] = $fullSql;
|
|
}
|
|
}
|
|
|
|
/*
|
|
if($this->logFile)
|
|
$time_start = microtime(true);
|
|
*/
|
|
|
|
$result = mysqli_query($database_link, $fullSql);
|
|
// sets $this->result
|
|
/*
|
|
if($this->logFile) {
|
|
$time_end = microtime(true);
|
|
fwrite($this->logFile, date('Y-m-d H:i:s') . "\n" . $fullSql . "\n" . number_format($time_end - $time_start, 8) . " seconds\n\n");
|
|
}
|
|
*/
|
|
|
|
if ($result === false && (error_reporting() & 1)) {
|
|
// aye. this gets triggers on duplicate Contact insert
|
|
// trigger_error('QDB - Error in query: ' . $fullSql . ' : ' . mysql_error(), E_USER_WARNING);
|
|
}
|
|
|
|
return $result;
|
|
|
|
}//end dbQuery()
|
|
|
|
|
|
/*
|
|
* Passed an array and a table name, it attempts to insert the data into the table.
|
|
* Check for boolean false to determine whether insert failed
|
|
* */
|
|
|
|
|
|
function dbInsert($data, $table) {
|
|
global $fullSql, $database_link;
|
|
global $db_stats;
|
|
// the following block swaps the parameters if they were given in the wrong order.
|
|
// it allows the method to work for those that would rather it (or expect it to)
|
|
// follow closer with SQL convention:
|
|
// insert into the TABLE this DATA
|
|
if (is_string($data) && is_array($table)) {
|
|
$tmp = $data;
|
|
$data = $table;
|
|
$table = $tmp;
|
|
// trigger_error('QDB - Parameters passed to insert() were in reverse order, but it has been allowed', E_USER_NOTICE);
|
|
}
|
|
|
|
$sql = 'INSERT INTO `'.$table.'` (`'.implode('`,`', array_keys($data)).'`) VALUES ('.implode(',', dbPlaceHolders($data)).')';
|
|
|
|
$time_start = microtime(true);
|
|
dbBeginTransaction();
|
|
$result = dbQuery($sql, $data);
|
|
if ($result) {
|
|
$id = mysqli_insert_id($database_link);
|
|
dbCommitTransaction();
|
|
// return $id;
|
|
}
|
|
else {
|
|
if ($table != 'Contact') {
|
|
trigger_error('QDB - Insert failed.', E_USER_WARNING);
|
|
}
|
|
|
|
dbRollbackTransaction();
|
|
// $id = false;
|
|
}
|
|
|
|
// logfile($fullSql);
|
|
$time_end = microtime(true);
|
|
$db_stats['insert_sec'] += number_format(($time_end - $time_start), 8);
|
|
$db_stats['insert']++;
|
|
|
|
return $id;
|
|
|
|
}//end dbInsert()
|
|
|
|
|
|
/*
|
|
* Passed an array and a table name, it attempts to insert the data into the table.
|
|
* $data is an array (rows) of key value pairs. keys are fields. Rows need to have same fields.
|
|
* Check for boolean false to determine whether insert failed
|
|
* */
|
|
|
|
|
|
function dbBulkInsert($data, $table) {
|
|
global $db_stats;
|
|
// the following block swaps the parameters if they were given in the wrong order.
|
|
// it allows the method to work for those that would rather it (or expect it to)
|
|
// follow closer with SQL convention:
|
|
// insert into the TABLE this DATA
|
|
if (is_string($data) && is_array($table)) {
|
|
$tmp = $data;
|
|
$data = $table;
|
|
$table = $tmp;
|
|
}
|
|
if (count($data) === 0) {
|
|
return false;
|
|
}
|
|
if (count($data[0]) === 0) {
|
|
return false;
|
|
}
|
|
|
|
$sql = 'INSERT INTO `'.$table.'` (`'.implode('`,`', array_keys($data[0])).'`) VALUES ';
|
|
$values ='';
|
|
|
|
foreach ($data as $row) {
|
|
if ($values != '') {
|
|
$values .= ',';
|
|
}
|
|
$rowvalues='';
|
|
foreach ($row as $key => $value) {
|
|
if ($rowvalues != '') {
|
|
$rowvalues .= ',';
|
|
}
|
|
$rowvalues .= "'".mres($value)."'";
|
|
}
|
|
$values .= "(".$rowvalues.")";
|
|
}
|
|
|
|
$time_start = microtime(true);
|
|
$result = dbQuery($sql.$values);
|
|
|
|
// logfile($fullSql);
|
|
$time_end = microtime(true);
|
|
$db_stats['insert_sec'] += number_format(($time_end - $time_start), 8);
|
|
$db_stats['insert']++;
|
|
|
|
return $result;
|
|
|
|
}//end dbBulkInsert()
|
|
|
|
|
|
/*
|
|
* Passed an array, table name, WHERE clause, and placeholder parameters, it attempts to update a record.
|
|
* Returns the number of affected rows
|
|
* */
|
|
|
|
|
|
function dbUpdate($data, $table, $where=null, $parameters=array()) {
|
|
global $fullSql, $database_link;
|
|
global $db_stats;
|
|
// the following block swaps the parameters if they were given in the wrong order.
|
|
// it allows the method to work for those that would rather it (or expect it to)
|
|
// follow closer with SQL convention:
|
|
// update the TABLE with this DATA
|
|
if (is_string($data) && is_array($table)) {
|
|
$tmp = $data;
|
|
$data = $table;
|
|
$table = $tmp;
|
|
// trigger_error('QDB - The first two parameters passed to update() were in reverse order, but it has been allowed', E_USER_NOTICE);
|
|
}
|
|
|
|
// need field name and placeholder value
|
|
// but how merge these field placeholders with actual $parameters array for the WHERE clause
|
|
$sql = 'UPDATE `'.$table.'` set ';
|
|
foreach ($data as $key => $value) {
|
|
$sql .= '`'.$key.'` '.'=:'.$key.',';
|
|
}
|
|
|
|
$sql = substr($sql, 0, -1);
|
|
// strip off last comma
|
|
if ($where) {
|
|
$sql .= ' WHERE '.$where;
|
|
$data = array_merge($data, $parameters);
|
|
}
|
|
|
|
$time_start = microtime(true);
|
|
if (dbQuery($sql, $data)) {
|
|
$return = mysqli_affected_rows($database_link);
|
|
}
|
|
else {
|
|
// echo("$fullSql");
|
|
trigger_error('QDB - Update failed.', E_USER_WARNING);
|
|
$return = false;
|
|
}
|
|
|
|
$time_end = microtime(true);
|
|
$db_stats['update_sec'] += number_format(($time_end - $time_start), 8);
|
|
$db_stats['update']++;
|
|
|
|
return $return;
|
|
|
|
}//end dbUpdate()
|
|
|
|
|
|
function dbDelete($table, $where=null, $parameters=array()) {
|
|
global $database_link;
|
|
$sql = 'DELETE FROM `'.$table.'`';
|
|
if ($where) {
|
|
$sql .= ' WHERE '.$where;
|
|
}
|
|
|
|
if (dbQuery($sql, $parameters)) {
|
|
return mysqli_affected_rows($database_link);
|
|
}
|
|
else {
|
|
return false;
|
|
}
|
|
|
|
}//end dbDelete()
|
|
|
|
|
|
/*
|
|
* Fetches all of the rows (associatively) from the last performed query.
|
|
* Most other retrieval functions build off this
|
|
* */
|
|
|
|
|
|
function dbFetchRows($sql, $parameters=array(), $nocache=false) {
|
|
global $db_stats, $config;
|
|
|
|
if ($config['memcached']['enable'] && $nocache === false) {
|
|
$result = $config['memcached']['resource']->get(hash('sha512',$sql.'|'.serialize($parameters)));
|
|
if (!empty($result)) {
|
|
return $result;
|
|
}
|
|
}
|
|
|
|
$time_start = microtime(true);
|
|
$result = dbQuery($sql, $parameters);
|
|
|
|
if (mysqli_num_rows($result) > 0) {
|
|
$rows = array();
|
|
while ($row = mysqli_fetch_assoc($result)) {
|
|
$rows[] = $row;
|
|
}
|
|
|
|
mysqli_free_result($result);
|
|
if ($config['memcached']['enable'] && $nocache === false) {
|
|
$config['memcached']['resource']->set(hash('sha512',$sql.'|'.serialize($parameters)),$rows,$config['memcached']['ttl']);
|
|
}
|
|
return $rows;
|
|
}
|
|
|
|
mysqli_free_result($result);
|
|
|
|
$time_end = microtime(true);
|
|
$db_stats['fetchrows_sec'] += number_format(($time_end - $time_start), 8);
|
|
$db_stats['fetchrows']++;
|
|
|
|
// no records, thus return empty array
|
|
// which should evaluate to false, and will prevent foreach notices/warnings
|
|
return array();
|
|
|
|
}//end dbFetchRows()
|
|
|
|
|
|
/*
|
|
* This is intended to be the method used for large result sets.
|
|
* It is intended to return an iterator, and act upon buffered data.
|
|
* */
|
|
|
|
|
|
function dbFetch($sql, $parameters=array(), $nocache=false) {
|
|
return dbFetchRows($sql, $parameters, $nocache);
|
|
/*
|
|
// for now, don't do the iterator thing
|
|
$result = dbQuery($sql, $parameters);
|
|
if($result) {
|
|
// return new iterator
|
|
return new dbIterator($result);
|
|
} else {
|
|
return null; // ??
|
|
}
|
|
*/
|
|
|
|
}//end dbFetch()
|
|
|
|
|
|
/*
|
|
* Like fetch(), accepts any number of arguments
|
|
* The first argument is an sprintf-ready query stringTypes
|
|
* */
|
|
|
|
|
|
function dbFetchRow($sql=null, $parameters=array(), $nocache=false) {
|
|
global $db_stats, $config;
|
|
|
|
if ($config['memcached']['enable'] && $nocache === false) {
|
|
$result = $config['memcached']['resource']->get(hash('sha512',$sql.'|'.serialize($parameters)));
|
|
if (!empty($result)) {
|
|
return $result;
|
|
}
|
|
}
|
|
|
|
$time_start = microtime(true);
|
|
$result = dbQuery($sql, $parameters);
|
|
if ($result) {
|
|
$row = mysqli_fetch_assoc($result);
|
|
mysqli_free_result($result);
|
|
$time_end = microtime(true);
|
|
|
|
$db_stats['fetchrow_sec'] += number_format(($time_end - $time_start), 8);
|
|
$db_stats['fetchrow']++;
|
|
|
|
if ($config['memcached']['enable'] && $nocache === false) {
|
|
$config['memcached']['resource']->set(hash('sha512',$sql.'|'.serialize($parameters)),$row,$config['memcached']['ttl']);
|
|
}
|
|
return $row;
|
|
}
|
|
else {
|
|
return null;
|
|
}
|
|
|
|
$time_start = microtime(true);
|
|
|
|
}//end dbFetchRow()
|
|
|
|
|
|
/*
|
|
* Fetches the first call from the first row returned by the query
|
|
* */
|
|
|
|
|
|
function dbFetchCell($sql, $parameters=array(), $nocache=false) {
|
|
global $db_stats, $config;
|
|
|
|
$time_start = microtime(true);
|
|
$row = dbFetchRow($sql, $parameters, $nocache);
|
|
if ($row) {
|
|
return array_shift($row);
|
|
// shift first field off first row
|
|
}
|
|
|
|
$time_end = microtime(true);
|
|
|
|
$db_stats['fetchcell_sec'] += number_format(($time_end - $time_start), 8);
|
|
$db_stats['fetchcell']++;
|
|
|
|
return null;
|
|
|
|
}//end dbFetchCell()
|
|
|
|
|
|
/*
|
|
* This method is quite different from fetchCell(), actually
|
|
* It fetches one cell from each row and places all the values in 1 array
|
|
* */
|
|
|
|
|
|
function dbFetchColumn($sql, $parameters=array(), $nocache=false) {
|
|
global $db_stats;
|
|
$time_start = microtime(true);
|
|
$cells = array();
|
|
foreach (dbFetch($sql, $parameters, $nocache) as $row) {
|
|
$cells[] = array_shift($row);
|
|
}
|
|
|
|
$time_end = microtime(true);
|
|
|
|
$db_stats['fetchcol_sec'] += number_format(($time_end - $time_start), 8);
|
|
$db_stats['fetchcol']++;
|
|
|
|
return $cells;
|
|
|
|
}//end dbFetchColumn()
|
|
|
|
|
|
/*
|
|
* Should be passed a query that fetches two fields
|
|
* The first will become the array key
|
|
* The second the key's value
|
|
*/
|
|
|
|
|
|
function dbFetchKeyValue($sql, $parameters=array(), $nocache=false) {
|
|
$data = array();
|
|
foreach (dbFetch($sql, $parameters, $nocache) as $row) {
|
|
$key = array_shift($row);
|
|
if (sizeof($row) == 1) {
|
|
// if there were only 2 fields in the result
|
|
// use the second for the value
|
|
$data[$key] = array_shift($row);
|
|
}
|
|
else {
|
|
// if more than 2 fields were fetched
|
|
// use the array of the rest as the value
|
|
$data[$key] = $row;
|
|
}
|
|
}
|
|
|
|
return $data;
|
|
|
|
}//end dbFetchKeyValue()
|
|
|
|
|
|
/*
|
|
* This combines a query and parameter array into a final query string for execution
|
|
* PDO drivers don't need to use this
|
|
*/
|
|
|
|
|
|
function dbMakeQuery($sql, $parameters) {
|
|
// bypass extra logic if we have no parameters
|
|
if (sizeof($parameters) == 0) {
|
|
return $sql;
|
|
}
|
|
|
|
$parameters = dbPrepareData($parameters);
|
|
// separate the two types of parameters for easier handling
|
|
$questionParams = array();
|
|
$namedParams = array();
|
|
foreach ($parameters as $key => $value) {
|
|
if (is_numeric($key)) {
|
|
$questionParams[] = $value;
|
|
}
|
|
else {
|
|
$namedParams[':'.$key] = $value;
|
|
}
|
|
}
|
|
|
|
// sort namedParams in reverse to stop substring squashing
|
|
krsort($namedParams);
|
|
|
|
// split on question-mark and named placeholders
|
|
$result = preg_split('/(\?|:[a-zA-Z0-9_-]+)/', $sql, -1, (PREG_SPLIT_NO_EMPTY | PREG_SPLIT_DELIM_CAPTURE));
|
|
|
|
// every-other item in $result will be the placeholder that was found
|
|
$query = '';
|
|
$res_size = sizeof($result);
|
|
for ($i = 0; $i < $res_size; $i += 2) {
|
|
$query .= $result[$i];
|
|
|
|
$j = ($i + 1);
|
|
if (array_key_exists($j, $result)) {
|
|
$test = $result[$j];
|
|
if ($test == '?') {
|
|
$query .= array_shift($questionParams);
|
|
}
|
|
else {
|
|
$query .= $namedParams[$test];
|
|
}
|
|
}
|
|
}
|
|
|
|
return $query;
|
|
|
|
}//end dbMakeQuery()
|
|
|
|
|
|
function dbPrepareData($data) {
|
|
global $database_link;
|
|
$values = array();
|
|
|
|
foreach ($data as $key => $value) {
|
|
$escape = true;
|
|
// don't quote or esc if value is an array, we treat it
|
|
// as a "decorator" that tells us not to escape the
|
|
// value contained in the array
|
|
if (is_array($value) && !is_object($value)) {
|
|
$escape = false;
|
|
$value = array_shift($value);
|
|
}
|
|
|
|
// it's not right to worry about invalid fields in this method because we may be operating on fields
|
|
// that are aliases, or part of other tables through joins
|
|
// if(!in_array($key, $columns)) // skip invalid fields
|
|
// continue;
|
|
if ($escape) {
|
|
$values[$key] = "'".mysqli_real_escape_string($database_link,$value)."'";
|
|
}
|
|
else {
|
|
$values[$key] = $value;
|
|
}
|
|
}
|
|
|
|
return $values;
|
|
|
|
}//end dbPrepareData()
|
|
|
|
|
|
/*
|
|
* Given a data array, this returns an array of placeholders
|
|
* These may be question marks, or ":email" type
|
|
*/
|
|
|
|
|
|
function dbPlaceHolders($values) {
|
|
$data = array();
|
|
foreach ($values as $key => $value) {
|
|
if (is_numeric($key)) {
|
|
$data[] = '?';
|
|
}
|
|
else {
|
|
$data[] = ':'.$key;
|
|
}
|
|
}
|
|
|
|
return $data;
|
|
|
|
}//end dbPlaceHolders()
|
|
|
|
|
|
function dbBeginTransaction() {
|
|
global $database_link;
|
|
mysqli_query($database_link, 'begin');
|
|
|
|
}//end dbBeginTransaction()
|
|
|
|
|
|
function dbCommitTransaction() {
|
|
global $database_link;
|
|
mysqli_query($database_link, 'commit');
|
|
|
|
}//end dbCommitTransaction()
|
|
|
|
|
|
function dbRollbackTransaction() {
|
|
global $database_link;
|
|
mysqli_query($database_link, 'rollback');
|
|
|
|
}//end dbRollbackTransaction()
|
|
|
|
|
|
/*
|
|
class dbIterator implements Iterator {
|
|
private $result;
|
|
private $i;
|
|
|
|
public function __construct($r) {
|
|
$this->result = $r;
|
|
$this->i = 0;
|
|
}
|
|
public function rewind() {
|
|
mysql_data_seek($this->result, 0);
|
|
$this->i = 0;
|
|
}
|
|
public function current() {
|
|
$a = mysql_fetch_assoc($this->result);
|
|
return $a;
|
|
}
|
|
public function key() {
|
|
return $this->i;
|
|
}
|
|
public function next() {
|
|
$this->i++;
|
|
$a = mysql_data_seek($this->result, $this->i);
|
|
if($a === false) {
|
|
$this->i = 0;
|
|
}
|
|
return $a;
|
|
}
|
|
public function valid() {
|
|
return ($this->current() !== false);
|
|
}
|
|
}
|
|
*/
|