From 0aa4efbc0b79ba9ab8a66e8facfda8cb16b7c427 Mon Sep 17 00:00:00 2001 From: tbrehm <t.brehm@ispconfig.org> Date: Mon, 07 May 2012 11:01:19 -0400 Subject: [PATCH] Improved mysql db library. --- interface/lib/classes/db_mysql.inc.php | 328 +++++++++++++++++++++++++++++++++++++++++------------- 1 files changed, 246 insertions(+), 82 deletions(-) diff --git a/interface/lib/classes/db_mysql.inc.php b/interface/lib/classes/db_mysql.inc.php index 09297c7..7cee46e 100644 --- a/interface/lib/classes/db_mysql.inc.php +++ b/interface/lib/classes/db_mysql.inc.php @@ -1,14 +1,6 @@ <?php -/** - * mySQL Database class - * - * @author Till Brehm - * @copyright 2005, Till Brehm, projektfarm Gmbh - * @version 0.1 - * @package ISPConfig - */ /* -Copyright (c) 2005, Till Brehm, projektfarm Gmbh +Copyright (c) 2007-2012, Till Brehm, projektfarm Gmbh, ISPConfig UG All rights reserved. Redistribution and use in source and binary forms, with or without modification, @@ -35,21 +27,23 @@ EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ -class db -{ - private $dbHost = ''; // hostname of the MySQL server - private $dbName = ''; // logical database name on that server - private $dbUser = ''; // database authorized user - private $dbPass = ''; // user's password - private $linkId = 0; // last result of mysql_connect() - private $queryId = 0; // last result of mysql_query() - private $record = array(); // last record fetched - private $autoCommit = 1; // Autocommit Transactions - private $currentRow; // current row number - private $errorNumber = 0; // last error number - private $errorMessage = ''; // last error message - private $errorLocation = '';// last error location - private $show_error_messages = false; +class db { + private $dbHost = ''; // hostname of the MySQL server + private $dbName = ''; // logical database name on that server + private $dbUser = ''; // database authorized user + private $dbPass = ''; // user's password + private $dbCharset = ''; // what charset comes and goes to mysql: utf8 / latin1 + private $dbNewLink = false; // Return a new linkID when connect is called again + private $dbClientFlags = 0; // MySQL Client falgs + private $linkId = 0; // last result of mysql_connect() + private $queryId = 0; // last result of mysql_query() + private $record = array(); // last record fetched + private $autoCommit = 1; // Autocommit Transactions + private $currentRow; // current row number + private $errorNumber = 0; // last error number + public $errorMessage = ''; // last error message + private $errorLocation = ''; // last error location + public $show_error_messages = false; public function __construct() { @@ -58,6 +52,9 @@ $this->dbName = $conf['db_database']; $this->dbUser = $conf['db_user']; $this->dbPass = $conf['db_password']; + $this->dbCharset = $conf['db_charset']; + $this->dbNewLink = $conf['db_new_link']; + $this->dbClientFlags = $conf['db_client_flags']; //$this->connect(); } @@ -74,19 +71,21 @@ } public function connect() - { + { if($this->linkId == 0){ - $this->linkId = mysql_connect($this->dbHost, $this->dbUser, $this->dbPass); + $this->linkId = mysql_connect($this->dbHost, $this->dbUser, $this->dbPass, $this->dbNewLink, $this->dbClientFlags); if(!$this->linkId){ $this->updateError('DB::connect()<br />mysql_connect'); return false; } + $this->queryId = @mysql_query('SET NAMES '.$this->dbCharset, $this->linkId); + $this->queryId = @mysql_query("SET character_set_results = '".$this->dbCharset."', character_set_client = '".$this->dbCharset."', character_set_connection = '".$this->dbCharset."', character_set_database = '".$this->dbCharset."', character_set_server = '".$this->dbCharset."'", $this->linkId); } return true; } public function query($queryString) - { + { if(!$this->connect()){ return false; } @@ -105,7 +104,7 @@ /** Returns all records as an array */ public function queryAllRecords($queryString) - { + { if(!$this->query($queryString)){ return false; } @@ -118,7 +117,7 @@ /** Returns one row as an array */ public function queryOneRecord($queryString) - { + { if(!$this->query($queryString) || $this->numRows() == 0){ return false; } @@ -127,8 +126,8 @@ /** Returns the next record as an array */ public function nextRecord() - { - $this->record = mysql_fetch_assoc($this->queryId); + { + $this->record = mysql_fetch_assoc($this->queryId); $this->updateError('DB::nextRecord()<br />mysql_fetch_array'); if(!$this->record || !is_array($this->record)){ return false; @@ -150,7 +149,7 @@ /** Returns the last mySQL insert_id() */ public function insertID() - { + { return mysql_insert_id($this->linkId); } @@ -160,10 +159,14 @@ return $this->quote($formfield); } - /** Escapes quotes in variable. addslashes() */ + /** Escapes quotes in variable. mysql_real_escape_string() */ public function quote($formfield) - { - return addslashes($formfield); + { + if(!$this->connect()){ + $this->updateError('WARNING: mysql_connect: Used addslashes instead of mysql_real_escape_string'); + return addslashes($formfield); + } + return mysql_real_escape_string($formfield, $this->linkId); } /** Unquotes a variable, strip_slashes() */ @@ -183,7 +186,8 @@ return $out; } - + // deprecated + /* public function insert($tablename, $form, $debug = 0) { if(is_array($form)){ @@ -200,7 +204,8 @@ if($debug == 1){ echo 'mySQL Error Message: '.$this->errorMessage; } } } - + + // Deprecated public function update($tablename, $form, $bedingung, $debug = 0) { if(is_array($form)){ @@ -214,23 +219,181 @@ if($debug == 1){ echo 'mySQL Error Message: '.$this->errorMessage; } } } + */ + + public function diffrec($record_old, $record_new) { + $diffrec_full = array(); + $diff_num = 0; + + if(is_array($record_old) && count($record_old) > 0) { + foreach($record_old as $key => $val) { + // if(!isset($record_new[$key]) || $record_new[$key] != $val) { + if($record_new[$key] != $val) { + // Record has changed + $diffrec_full['old'][$key] = $val; + $diffrec_full['new'][$key] = $record_new[$key]; + $diff_num++; + } else { + $diffrec_full['old'][$key] = $val; + $diffrec_full['new'][$key] = $val; + } + } + } elseif(is_array($record_new)) { + foreach($record_new as $key => $val) { + if(isset($record_new[$key]) && @$record_old[$key] != $val) { + // Record has changed + $diffrec_full['new'][$key] = $val; + $diffrec_full['old'][$key] = @$record_old[$key]; + $diff_num++; + } else { + $diffrec_full['new'][$key] = $val; + $diffrec_full['old'][$key] = $val; + } + } + } + + return array('diff_num' => $diff_num, 'diff_rec' => $diffrec_full); + + } + + //** Function to fill the datalog with a full differential record. + public function datalogSave($db_table, $action, $primary_field, $primary_id, $record_old, $record_new, $force_update = false) { + global $app,$conf; + + //* Insert backticks only for incomplete table names. + if(stristr($db_table,'.')) { + $escape = ''; + } else { + $escape = '`'; + } + + if($force_update == true) { + //* We force a update even if no record has changed + $diffrec_full = array('new' => $record_new, 'old' => $record_old); + $diff_num = count($record_new); + } else { + //* get the difference record between old and new record + $tmp = $this->diffrec($record_old, $record_new); + $diffrec_full = $tmp['diff_rec']; + $diff_num = $tmp['diff_num']; + unset($tmp); + } + + //* Insert the server_id, if the record has a server_id + $server_id = (isset($record_old['server_id']) && $record_old['server_id'] > 0)?$record_old['server_id']:0; + if(isset($record_new['server_id'])) $server_id = $record_new['server_id']; + + + if($diff_num > 0) { + $diffstr = $app->db->quote(serialize($diffrec_full)); + $username = $app->db->quote($_SESSION['s']['user']['username']); + $dbidx = $primary_field.':'.$primary_id; + + if($action == 'INSERT') $action = 'i'; + if($action == 'UPDATE') $action = 'u'; + if($action == 'DELETE') $action = 'd'; + $sql = "INSERT INTO sys_datalog (dbtable,dbidx,server_id,action,tstamp,user,data) VALUES ('".$db_table."','$dbidx','$server_id','$action','".time()."','$username','$diffstr')"; + $app->db->query($sql); + } + + return true; + } + + //** Inserts a record and saves the changes into the datalog + public function datalogInsert($tablename, $insert_data, $index_field) { + global $app; + + if(is_array($insert_data)) { + $key_str = ''; + $val_str = ''; + foreach($insert_data as $key => $val) { + $key_str .= "`".$key ."`,"; + $val_str .= "'".$this->quote($val)."',"; + } + $key_str = substr($key_str,0,-1); + $val_str = substr($val_str,0,-1); + $insert_data_str = '('.$key_str.') VALUES ('.$val_str.')'; + } else { + $insert_data_str = $insert_data; + } + + $old_rec = array(); + $this->query("INSERT INTO $tablename $insert_data_str"); + $index_value = $this->insertID(); + $new_rec = $this->queryOneRecord("SELECT * FROM $tablename WHERE $index_field = '$index_value'"); + $this->datalogSave($tablename, 'INSERT', $index_field, $index_value, $old_rec, $new_rec); + + return $index_value; + } + + //** Updates a record and saves the changes into the datalog + public function datalogUpdate($tablename, $update_data, $index_field, $index_value, $force_update = false) { + global $app; + + $old_rec = $this->queryOneRecord("SELECT * FROM $tablename WHERE $index_field = '$index_value'"); + + if(is_array($update_data)) { + $update_data_str = ''; + foreach($update_data as $key => $val) { + $update_data_str .= "`".$key ."` = '".$this->quote($val)."',"; + } + $update_data_str = substr($update_data_str,0,-1); + } else { + $update_data_str = $update_data; + } + + $this->query("UPDATE $tablename SET $update_data_str WHERE $index_field = '$index_value'"); + $new_rec = $this->queryOneRecord("SELECT * FROM $tablename WHERE $index_field = '$index_value'"); + $this->datalogSave($tablename, 'UPDATE', $index_field, $index_value, $old_rec, $new_rec, $force_update); + + return true; + } + + //** Deletes a record and saves the changes into the datalog + public function datalogDelete($tablename, $index_field, $index_value) { + global $app; + + $old_rec = $this->queryOneRecord("SELECT * FROM $tablename WHERE $index_field = '$index_value'"); + $this->query("DELETE FROM $tablename WHERE $index_field = '$index_value'"); + $new_rec = array(); + $this->datalogSave($tablename, 'DELETE', $index_field, $index_value, $old_rec, $new_rec); + + return true; + } + + public function closeConn() { + if($this->linkId) + { + mysql_close($this->linkId); + return true; + } else { return false; } } - - public function freeResult() + + public function freeResult($query) { + if(mysql_free_result($query)) + { + return true; + } else { + return false; + } } - + + /* public function delete() { } - + */ + + /* public function Transaction($action) { //action = begin, commit oder rollback } + */ /** Creates a database table with the following format for the $columns array * <code> @@ -245,6 +408,8 @@ * option => unique | primary | index) * </code> */ + + public function createTable($table_name, $columns) { $index = ''; @@ -252,7 +417,7 @@ foreach($columns as $col){ $sql .= $col['name'].' '.$this->mapType($col['type'], $col['typeValue']).' '; //* Set default value - if($col['defaultValue'] != '') { + if(isset($col['defaultValue']) && $col['defaultValue'] != '') { if($col['defaultValue'] == 'NULL' or $col['defaultValue'] == 'NOT NULL') { $sql .= 'DEFAULT '.$col['defaultValue'].' '; } else { @@ -261,23 +426,23 @@ } elseif($col['defaultValue'] != false) { $sql .= "DEFAULT '' "; } - if($col['defaultValue'] != 'NULL' && $col['defaultValue'] != 'NOT NULL') { + if(isset($col['defaultValue']) && $col['defaultValue'] != 'NULL' && $col['defaultValue'] != 'NOT NULL') { if($col['notNull'] == true) { $sql .= 'NOT NULL '; } else { $sql .= 'NULL '; } } - if($col['autoInc'] == true){ $sql .= 'auto_increment '; } + if(isset($col['autoInc']) && $col['autoInc'] == true){ $sql .= 'auto_increment '; } $sql.= ','; //* Index Definitions - if($col['option'] == 'primary'){ $index .= 'PRIMARY KEY ('.$col['name'].'),'; } - if($col['option'] == 'index'){ $index .= 'INDEX ('.$col['name'].'),'; } - if($col['option'] == 'unique'){ $index .= 'UNIQUE ('.$col['name'].'),'; } - } + if(isset($col['option']) && $col['option'] == 'primary'){ $index .= 'PRIMARY KEY ('.$col['name'].'),'; } + if(isset($col['option']) && $col['option'] == 'index'){ $index .= 'INDEX ('.$col['name'].'),'; } + if(isset($col['option']) && $col['option'] == 'unique'){ $index .= 'UNIQUE ('.$col['name'].'),'; } + } $sql .= $index; $sql = substr($sql,0,-1); - $sql .= ')'; + $sql .= ')'; $this->query($sql); return true; } @@ -296,36 +461,36 @@ */ public function alterTable($table_name,$columns) { - $index = ''; - $sql = "ALTER TABLE $table_name "; - foreach($columns as $col){ + $index = ''; + $sql = "ALTER TABLE $table_name "; + foreach($columns as $col){ if($col['action'] == 'add'){ - $sql .= 'ADD '.$col['name'].' '.$this->mapType($col['type'], $col['typeValue']).' '; + $sql .= 'ADD '.$col['name'].' '.$this->mapType($col['type'],$col['typeValue']).' '; }elseif($col['action'] == 'alter') { $sql .= 'CHANGE '.$col['name'].' '.$col['name_new'].' '.$this->mapType($col['type'],$col['typeValue']).' '; }elseif($col['action'] == 'drop') { $sql .= 'DROP '.$col['name'].' '; } - if($col["action"] != 'drop') { - if($col["defaultValue"] != "") $sql .= "DEFAULT '".$col["defaultValue"]."' "; - if($col["notNull"] == true) { - $sql .= "NOT NULL "; + if($col['action'] != 'drop') { + if($col['defaultValue'] != '') $sql .= "DEFAULT '".$col['defaultValue']."' "; + if($col['notNull'] == true) { + $sql .= 'NOT NULL '; } else { - $sql .= "NULL "; + $sql .= 'NULL '; } - if($col["autoInc"] == true) $sql .= "auto_increment "; - $sql.= ","; + if($col['autoInc'] == true) $sql .= 'auto_increment '; + $sql.= ','; //* Index definitions if($col['option'] == 'primary') $index .= 'PRIMARY KEY ('.$col['name'].'),'; if($col['option'] == 'index') $index .= 'INDEX ('.$col['name'].'),'; if($col['option'] == 'unique') $index .= 'UNIQUE ('.$col['name'].'),'; } - } - $sql .= $index; - $sql = substr($sql,0,-1); - //die($sql); - $this->query($sql); - return true; + } + $sql .= $index; + $sql = substr($sql,0,-1); + //die($sql); + $this->query($sql); + return true; } public function dropTable($table_name) @@ -341,26 +506,25 @@ if($database_name == ''){ $database_name = $this->dbName; } - $result = mysql_list_tables($database_name); + $result = @mysql_list_tables($database_name); $tb_names = array(); - for ($i = 0; $i < mysql_num_rows($result); $i++) { - $tb_names[$i] = mysql_tablename($result, $i); + for ($i = 0; $i < @mysql_num_rows($result); $i++) { + $tb_names[$i] = @mysql_tablename($result, $i); } return $tb_names; } public function tableInfo($table_name) { - global $go_api,$go_info; //* Tabellenfelder einlesen ? - if($rows = $go_api->db->queryAllRecords("SHOW FIELDS FROM $table_name")){ + if($rows = $this->queryAllRecords('SHOW FIELDS FROM '.$table_name)){ foreach($rows as $row) { - $name = $row[0]; - $default = $row[4]; - $key = $row[3]; - $extra = $row[5]; - $isnull = $row[2]; - $type = $row[1]; + $name = $row['Field']; + $default = $row['Default']; + $key = $row['Key']; + $extra = $row['Extra']; + $isnull = $row['Null']; + $type = $row['Type']; $column = array('name' => $name, 'defaultValue' => $default); //$column["type"] = $type; @@ -381,9 +545,9 @@ $tmp_typeValue = explode('(',$type); $column['typeValue'] = substr($tmp_typeValue[1], 0, -1); } - if(stristr($type, 'text')) $metaType = 'text'; - if(stristr($type, 'double')) $metaType = 'double'; - if(stristr($type, 'blob')) $metaType = 'blob'; + if(stristr($type,'text')) $metaType = 'text'; + if(stristr($type,'double')) $metaType = 'double'; + if(stristr($type,'blob')) $metaType = 'blob'; $column['type'] = $metaType; $columns[] = $column; @@ -417,7 +581,7 @@ return 'blob'; } } - + } -?> \ No newline at end of file +?> -- Gitblit v1.9.1