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This commit is contained in:
Elias F.
2026-01-14 23:04:53 +01:00
parent 2f7d11b7d2
commit d9b4c73baa
25 changed files with 3742 additions and 30 deletions
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102
application/model/DatabaseModel.php
View File

@@ -21,7 +21,6 @@ class DatabaseModel
$databases = $query->fetchAll(PDO::FETCH_COLUMN);
// Filter out system databases
$system_dbs = ['information_schema', 'performance_schema', 'mysql', 'sys'];
return array_diff($databases, $system_dbs);
}
@@ -35,7 +34,7 @@ class DatabaseModel
{
$database = DatabaseFactory::getFactory()->getConnection();
$sql = "SHOW TABLES FROM " . $database_name;
$sql = "SHOW TABLES FROM `" . $database_name . "`";
$query = $database->prepare($sql);
$query->execute();
@@ -54,7 +53,7 @@ class DatabaseModel
$table_details = array();
foreach ($tables as $table) {
$sql = "SHOW TABLE STATUS FROM " . $database_name . " LIKE :table_name";
$sql = "SHOW TABLE STATUS FROM `" . $database_name . "` LIKE :table_name";
$query = $database->prepare($sql);
$query->execute(array(':table_name' => $table));
@@ -87,7 +86,7 @@ class DatabaseModel
$tables = self::getTablesInDatabase($database_name);
foreach ($tables as $table) {
$sql = "DESCRIBE " . $database_name . "." . $table;
$sql = "DESCRIBE `" . $database_name . "`.`" . $table . "`";
$query = $database->prepare($sql);
$query->execute();
@@ -152,13 +151,106 @@ class DatabaseModel
{
$database = DatabaseFactory::getFactory()->getConnection();
$sql = "SHOW COLUMNS FROM " . $database_name . "." . $table_name;
$sql = "SHOW COLUMNS FROM `" . $database_name . "`.`" . $table_name . "`";
$query = $database->prepare($sql);
$query->execute();
return $query->fetchAll(PDO::FETCH_ASSOC);
}
/**
* Export database as SQL dump
* @param string $database_name
* @return string
*/
public static function exportDatabase($database_name)
{
$database = DatabaseFactory::getFactory()->getConnection();
$output = "-- Database Export: " . $database_name . "\n";
$output .= "-- Generated: " . date('Y-m-d H:i:s') . "\n\n";
$output .= "SET FOREIGN_KEY_CHECKS=0;\n";
$output .= "SET SQL_MODE = \"NO_AUTO_VALUE_ON_ZERO\";\n\n";
$tables = self::getTablesInDatabase($database_name);
foreach ($tables as $table) {
$sql = "SHOW CREATE TABLE `" . $database_name . "`.`" . $table . "`";
$query = $database->prepare($sql);
$query->execute();
$row = $query->fetch(PDO::FETCH_NUM);
$output .= "DROP TABLE IF EXISTS `" . $table . "`;\n";
$output .= $row[1] . ";\n\n";
$sql = "SELECT * FROM `" . $database_name . "`.`" . $table . "`";
$query = $database->prepare($sql);
$query->execute();
$rows = $query->fetchAll(PDO::FETCH_ASSOC);
if (!empty($rows)) {
foreach ($rows as $dataRow) {
$columns = array_keys($dataRow);
$values = array_map(function($val) use ($database) {
if ($val === null) {
return 'NULL';
}
return $database->quote($val);
}, array_values($dataRow));
$output .= "INSERT INTO `" . $table . "` (`" . implode("`, `", $columns) . "`) VALUES (" . implode(", ", $values) . ");\n";
}
$output .= "\n";
}
}
$output .= "SET FOREIGN_KEY_CHECKS=1;\n";
return $output;
}
/**
* Export single table as SQL dump
* @param string $database_name
* @param string $table_name
* @return string
*/
public static function exportTable($database_name, $table_name)
{
$database = DatabaseFactory::getFactory()->getConnection();
$output = "-- Table Export: " . $table_name . " from " . $database_name . "\n";
$output .= "-- Generated: " . date('Y-m-d H:i:s') . "\n\n";
$output .= "SET FOREIGN_KEY_CHECKS=0;\n\n";
$sql = "SHOW CREATE TABLE `" . $database_name . "`.`" . $table_name . "`";
$query = $database->prepare($sql);
$query->execute();
$row = $query->fetch(PDO::FETCH_NUM);
$output .= "DROP TABLE IF EXISTS `" . $table_name . "`;\n";
$output .= $row[1] . ";\n\n";
$sql = "SELECT * FROM `" . $database_name . "`.`" . $table_name . "`";
$query = $database->prepare($sql);
$query->execute();
$rows = $query->fetchAll(PDO::FETCH_ASSOC);
if (!empty($rows)) {
foreach ($rows as $dataRow) {
$columns = array_keys($dataRow);
$values = array_map(function($val) use ($database) {
if ($val === null) {
return 'NULL';
}
return $database->quote($val);
}, array_values($dataRow));
$output .= "INSERT INTO `" . $table_name . "` (`" . implode("`, `", $columns) . "`) VALUES (" . implode(", ", $values) . ");\n";
}
}
$output .= "\nSET FOREIGN_KEY_CHECKS=1;\n";
return $output;
}
/**
* Format bytes to human readable format
* @param int $bytes

202
application/model/DbUserModel.php Normal file
View File

@@ -0,0 +1,202 @@
<?php
/**
* Class DbUserModel
*
* Model for managing MySQL database users
*/
class DbUserModel
{
/**
* Get all database users
* @return array
*/
public static function getAllUsers()
{
$database = DatabaseFactory::getFactory()->getConnection();
try {
$sql = "SELECT User, Host FROM mysql.user ORDER BY User, Host";
$query = $database->prepare($sql);
$query->execute();
return $query->fetchAll(PDO::FETCH_OBJ);
} catch (PDOException $e) {
return array();
}
}
/**
* Get user details
* @param string $username
* @param string $host
* @return object|null
*/
public static function getUserDetails($username, $host)
{
$database = DatabaseFactory::getFactory()->getConnection();
try {
$sql = "SELECT * FROM mysql.user WHERE User = :username AND Host = :host";
$query = $database->prepare($sql);
$query->execute(array(':username' => $username, ':host' => $host));
return $query->fetch(PDO::FETCH_OBJ);
} catch (PDOException $e) {
return null;
}
}
/**
* Get user privileges
* @param string $username
* @param string $host
* @return array
*/
public static function getUserPrivileges($username, $host)
{
$database = DatabaseFactory::getFactory()->getConnection();
try {
// Escape username and host for SHOW GRANTS
$sql = "SHOW GRANTS FOR " . $database->quote($username) . "@" . $database->quote($host);
$query = $database->prepare($sql);
$query->execute();
$grants = array();
while ($row = $query->fetch(PDO::FETCH_NUM)) {
$grants[] = $row[0];
}
return $grants;
} catch (PDOException $e) {
return array();
}
}
/**
* Create a new database user
* @param string $username
* @param string $password
* @param string $host
* @return bool
*/
public static function createUser($username, $password, $host)
{
if (!self::validateUsername($username) || empty($password) || empty($host)) {
return false;
}
$database = DatabaseFactory::getFactory()->getConnection();
try {
$sql = "CREATE USER " . $database->quote($username) . "@" . $database->quote($host) .
" IDENTIFIED BY " . $database->quote($password);
$database->exec($sql);
return true;
} catch (PDOException $e) {
return false;
}
}
/**
* Update user password
* @param string $username
* @param string $host
* @param string $password
* @return bool
*/
public static function updateUserPassword($username, $host, $password)
{
if (empty($password)) {
return false;
}
$database = DatabaseFactory::getFactory()->getConnection();
try {
$sql = "ALTER USER " . $database->quote($username) . "@" . $database->quote($host) .
" IDENTIFIED BY " . $database->quote($password);
$database->exec($sql);
return true;
} catch (PDOException $e) {
return false;
}
}
/**
* Update user privileges
* @param string $username
* @param string $host
* @param array $privileges
* @return bool
*/
public static function updateUserPrivileges($username, $host, $privileges)
{
$database = DatabaseFactory::getFactory()->getConnection();
try {
$sql = "REVOKE ALL PRIVILEGES, GRANT OPTION FROM " .
$database->quote($username) . "@" . $database->quote($host);
$database->exec($sql);
if (!empty($privileges) && is_array($privileges)) {
if (in_array('ALL PRIVILEGES', $privileges)) {
$sql = "GRANT ALL PRIVILEGES ON *.* TO " .
$database->quote($username) . "@" . $database->quote($host);
$database->exec($sql);
} else {
$valid_privs = array('SELECT', 'INSERT', 'UPDATE', 'DELETE', 'CREATE', 'DROP', 'ALTER', 'INDEX',
'REFERENCES', 'CREATE TEMPORARY TABLES', 'LOCK TABLES', 'EXECUTE',
'CREATE VIEW', 'SHOW VIEW', 'CREATE ROUTINE', 'ALTER ROUTINE', 'EVENT', 'TRIGGER');
$privileges = array_intersect($privileges, $valid_privs);
if (!empty($privileges)) {
$priv_string = implode(', ', $privileges);
$sql = "GRANT " . $priv_string . " ON *.* TO " .
$database->quote($username) . "@" . $database->quote($host);
$database->exec($sql);
}
}
}
$database->exec("FLUSH PRIVILEGES");
return true;
} catch (PDOException $e) {
return false;
}
}
/**
* Delete a database user
* @param string $username
* @param string $host
* @return bool
*/
public static function deleteUser($username, $host)
{
$database = DatabaseFactory::getFactory()->getConnection();
try {
$sql = "DROP USER " . $database->quote($username) . "@" . $database->quote($host);
$database->exec($sql);
return true;
} catch (PDOException $e) {
return false;
}
}
/**
* Validate username format
* @param string $username
* @return bool
*/
private static function validateUsername($username)
{
return !empty($username) && preg_match('/^[a-zA-Z0-9_]+$/', $username);
}
}

165
application/model/TableModel.php
View File

@@ -131,7 +131,6 @@ class TableModel
$database = DatabaseFactory::getFactory()->getConnection();
// Build column definitions
$column_definitions = array();
foreach ($columns as $column) {
$definition = "`" . $column['name'] . "` " . $column['type'];
@@ -151,7 +150,6 @@ class TableModel
$column_definitions[] = $definition;
}
// Handle primary key
foreach ($columns as $column) {
if (isset($column['key']) && $column['key'] === 'PRI') {
$column_definitions[] = "PRIMARY KEY (`" . $column['name'] . "`)";
@@ -260,6 +258,169 @@ class TableModel
}
}
/**
* Get the primary key column name for a table
* @param string $database_name
* @param string $table_name
* @return string|null
*/
public static function getPrimaryKeyColumn($database_name, $table_name)
{
$columns = self::getTableColumns($database_name, $table_name);
foreach ($columns as $column) {
if ($column['Key'] === 'PRI') {
return $column['Field'];
}
}
return null;
}
/**
* Get a single row by primary key
* @param string $database_name
* @param string $table_name
* @param mixed $pk_value
* @return array|null
*/
public static function getRow($database_name, $table_name, $pk_value)
{
$pk_column = self::getPrimaryKeyColumn($database_name, $table_name);
if (!$pk_column) {
return null;
}
$database = DatabaseFactory::getFactory()->getConnection();
$sql = "SELECT * FROM `" . $database_name . "`.`" . $table_name . "` WHERE `" . $pk_column . "` = :pk_value LIMIT 1";
$query = $database->prepare($sql);
$query->execute(array(':pk_value' => $pk_value));
return $query->fetch(PDO::FETCH_ASSOC);
}
/**
* Update a row in the table
* @param string $database_name
* @param string $table_name
* @param mixed $pk_value
* @param array $data - associative array of column => value
* @return bool
*/
public static function updateRow($database_name, $table_name, $pk_value, $data)
{
if (!$database_name || !$table_name || !$pk_value || empty($data)) {
return false;
}
$pk_column = self::getPrimaryKeyColumn($database_name, $table_name);
if (!$pk_column) {
return false;
}
$database = DatabaseFactory::getFactory()->getConnection();
$set_parts = array();
$params = array();
$i = 0;
foreach ($data as $column => $value) {
if ($column === $pk_column) {
continue;
}
$param_name = ':param_' . $i;
$set_parts[] = "`" . $column . "` = " . $param_name;
$params[$param_name] = $value === '' ? null : $value;
$i++;
}
if (empty($set_parts)) {
return false;
}
$params[':pk_value'] = $pk_value;
try {
$sql = "UPDATE `" . $database_name . "`.`" . $table_name . "` SET " . implode(', ', $set_parts) . " WHERE `" . $pk_column . "` = :pk_value";
$query = $database->prepare($sql);
return $query->execute($params);
} catch (PDOException $e) {
return false;
}
}
/**
* Delete a row from the table
* @param string $database_name
* @param string $table_name
* @param mixed $pk_value
* @return bool
*/
public static function deleteRow($database_name, $table_name, $pk_value)
{
if (!$database_name || !$table_name || !$pk_value) {
return false;
}
$pk_column = self::getPrimaryKeyColumn($database_name, $table_name);
if (!$pk_column) {
return false;
}
$database = DatabaseFactory::getFactory()->getConnection();
try {
$sql = "DELETE FROM `" . $database_name . "`.`" . $table_name . "` WHERE `" . $pk_column . "` = :pk_value";
$query = $database->prepare($sql);
return $query->execute(array(':pk_value' => $pk_value));
} catch (PDOException $e) {
return false;
}
}
/**
* Insert a new row into the table
* @param string $database_name
* @param string $table_name
* @param array $data - associative array of column => value
* @return bool|int - returns insert ID on success, false on failure
*/
public static function insertRow($database_name, $table_name, $data)
{
if (!$database_name || !$table_name || empty($data)) {
return false;
}
$database = DatabaseFactory::getFactory()->getConnection();
$columns = array();
$placeholders = array();
$params = array();
$i = 0;
foreach ($data as $column => $value) {
if ($value === '' || $value === null) {
continue;
}
$columns[] = "`" . $column . "`";
$param_name = ':param_' . $i;
$placeholders[] = $param_name;
$params[$param_name] = $value;
$i++;
}
if (empty($columns)) {
return false;
}
try {
$sql = "INSERT INTO `" . $database_name . "`.`" . $table_name . "` (" . implode(', ', $columns) . ") VALUES (" . implode(', ', $placeholders) . ")";
$query = $database->prepare($sql);
$query->execute($params);
return $database->lastInsertId();
} catch (PDOException $e) {
return false;
}
}
/**
* Format bytes to human readable format
* @param int $bytes