275 lines
6.5 KiB
PHP
275 lines
6.5 KiB
PHP
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<?php
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/**-----------------------------------------------
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*
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* Rooty, 2018 <rooty@rooty.me>
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*
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*
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* This software is protected by copyright, please
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* read the file COPYRIGHT.
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* This program is distributed in the hope that it
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* will be useful, but without any warranty; without
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* even the implied warranty of merchantability or
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* fitness for a particular purpose. Please
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* read the file LICENCE.
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*
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* Ce fichier contient la gestion de BackupDb (Factory+Modéle)
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*
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* @author Rooty <www.rooty.me|rooty@rooty.me>
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* @since 2005/03/11
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* @link www.rooty.me
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* @version 0.3
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* @package package
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* @subpackage BackupDb
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* @copyright Copyright © 2009-2018, Rooty
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*/
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if ( !defined('SYSTEM_IN') )
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{
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die("Hacking attempt");
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}
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/**
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* Inclusion des éléments de parsage sql (sqlParse)
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*/
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include_once($GLOBALS["CONF_LIB_PATH"]."lib/system/system_data_source/database/sql_parse.php");
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/**
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* Classe Mysql3BackupDb
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*classe de gestion des BackupDb (BD) pour mysql3
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* @package package
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* @subpackage BackupDb
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*/
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class Mysql3BackUpDb extends CommonBackupDb
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{
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//
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// Constructeur (non surchargé!!)
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//
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/**
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* Liste les tables pour une BD
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* @param chaine nom de la BD
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*/
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function getListTables ($db)
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{
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$i = 0;
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$nbtab = mysql_list_tables ($db);
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while ($i < mysql_num_rows ($nbtab))
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{
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$tb_names[$i] = mysql_tablename ($nbtab, $i);
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$i++;
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}
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return $tb_names;
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}
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/**
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* Récupération des données pour une table
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* @param chaine nom de la table
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* @param entier pointeur de fichier
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*/
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function getTableData ($table, $fd)
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{
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$tableau = array ();
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$j = 0;
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$resultat = mysql_query ("select * from $table");
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if ($resultat == FALSE)
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{
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return "La requete dans la table '".$table."' a echoue.<br>";
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}
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else
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{
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while ($valeurs = mysql_fetch_row ($resultat))
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{
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$this->writeLine ($valeurs, $table, $fd);
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}
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return $valeurs;
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}
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}
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/**
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* recuperation de la structure de la table
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* @param chaine nom de la table
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* @param entier pointeur de fichier
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*/
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function getTableStructure ($struct, $fd)
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{
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$requete = mysql_query ("show create table $struct");
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if ($requete == FALSE)
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{
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return "la recuperation de la structure '".$struct."' a echoue.<br>";
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}
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else
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{
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$structure = mysql_fetch_row ($requete);
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$ligne = 0;
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return $structure[1];
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}
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}
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/**
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* recuperation de la structure de la table
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* @param chaine chaine sql de création de table
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* @param chaine nom de la table
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* @param entier pointeur de fichier
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*/
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function putStructIntoFile ($structure, $nom_table, $fd)
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{
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$struct = "#\n# Structure de la table ".$nom_table."\n#\n\n";
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# Ajout de l'énnonçé DROP TABLE...
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$struct .="DROP TABLE IF EXISTS `".$nom_table."`;\n";
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$struct .= $structure;
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$struct .= ";\n\n";
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$ecriture = fwrite ($fd, $struct, strlen ($struct));
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if ($ecriture == 0)
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{
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return "erreur lors de l'ecriture de la strucuture dans le fichier de sauvgarde.";
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}
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else{
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return $fd;
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}
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}
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/**
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* integre les donnees dans un fichier
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* @param chaine données à insérer
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* @param chaine nom de la table
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* @param entier pointeur de fichier
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*/
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function putDataIntoFile ($donnees, $nom_table, $fd)
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{
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$lignes = 0;
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$infos = "#\n# donnees de la table ".$nom_table ."\n#\n\n";
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fwrite ($fd, $infos, strlen ($infos));
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while (isset ($donnees[$lignes]))
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{
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$appel_fonction = $this->writeLine($donnees[$lignes], $nom_table, $fd);
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$lignes++;
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}
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return $fd;
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}
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/**
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* écrit une ligne de données
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* @param chaine données à insérer
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* @param chaine nom de la table
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* @param entier pointeur de fichier
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*/
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function writeLine ($donnees, $nom_table, $fd)
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{
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$case = 1;
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$debut = "INSERT INTO `".$nom_table."` VALUES ('".$donnees[0]."'";
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fwrite ($fd, $debut, strlen ($debut));
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while (isset ($donnees[$case])){
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fwrite ($fd, ", '".addslashes($donnees[$case])."'", strlen (", '".addslashes($donnees[$case])."'"));
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$case++;
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}
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$fin = ");\n\n\n";
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fwrite ($fd, $fin, strlen ($fin));
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}
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/**
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* Création d'une sauvegarde
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* @todo ne gére pas les enregistrement dont un champs peut être null :-(
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* @return booleen
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*/
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function backup()
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{
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# Récupération des paramètres
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$host=$this->host;
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$login=$this->login;
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$password=$this->passwd;
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$chemin=$this->path;
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$nom_fichier=$this->file;
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$db=$this->db;
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$emplacement = $chemin."/".$nom_fichier;
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if (!isset ($chemin) || !is_dir ($chemin)){
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addError(2,"Mysql3BackupDb", " $chemin n'est pas un repertoire ou n'existe pas.", __line__, __file__);
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return false;
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}
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if (file_exists ($nom_fichier)){
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addError(2,"Mysql3BackupDb","Impossible de faire la sauvegarde, le fichier $nom_fichier existe deja.", __line__, __file__);
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return false;
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}else{
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$connec = mysql_connect($host, $login, $password);
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mysql_select_db($db, $connec);
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$list = $this->getListTables ($db);
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$tab = 0;
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$fd = fopen ($emplacement, "w+");
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while (isset ($list[$tab]))
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{
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$structure = $this->getTableStructure ($list[$tab], $fd);
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$backup = $this->putStructIntoFile ($structure, $list[$tab], $fd);
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$query = $this->getTableData ($list[$tab], $fd);
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$backup_suite = $this->putDataIntoFile ($query, $list[$tab], $fd);
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$tab++;
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}
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fclose ($fd);
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chmod($emplacement, $this->perm);
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mysql_close ($connec);
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$directory = $chemin."/";
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$name_zip = substr ( $nom_fichier, 0,strpos($nom_fichier, "."));
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$name = $nom_fichier;
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return true;
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}
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}
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/**
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* Réstauration d'une sauvegarde
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* @return booleen
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*/
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function restore()
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{
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# Récupération des paramètres
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$host=$this->host;
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$login=$this->login;
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$password=$this->passwd;
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$chemin=$this->path;
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$nom_fichier=$this->file;
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$db=$this->db;
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$emplacement = $chemin."/".$nom_fichier;
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if (!isset ($chemin) || !is_dir ($chemin)){
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addError(2,"Mysql3BackupDb", " $chemin n'est pas un repertoire ou n'existe pas.", __line__, __file__);
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return false;
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}
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if (!file_exists ($emplacement)){
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addError(2,"Mysql3BackupDb","Impossible d'executer le fichier $nom_fichier n'existe pas.", __line__, __file__);
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return false;
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}else{
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$connect = mysql_connect($host, $login, $password);
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mysql_select_db($db, $connect);
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$sql_query = @fread(@fopen($emplacement, 'r'), @filesize($emplacement));
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$sql_query = remove_remarks($sql_query);
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$sql_query = split_sql_file($sql_query, ";");
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$sql_query = make_path($sql_query);
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for ($i = 0; $i < sizeof($sql_query); $i++)
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{
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if (trim($sql_query[$i]) != '')
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{
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if (!($result = mysql_query($sql_query[$i],$connect)))
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{
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addError(2,"Mysql3BackupDb","Impossible d'executer le fichier $nom_fichier n'existe pas.", __line__, __file__);
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return false;
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}
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}
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}
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return true;
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}
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}
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}
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?>
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