mirror of
https://github.com/friendica/friendica
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124 lines
3.6 KiB
PHP
124 lines
3.6 KiB
PHP
<?php
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// Copyright (C) 2010-2024, the Friendica project
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// SPDX-FileCopyrightText: 2010-2024 the Friendica project
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//
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// SPDX-License-Identifier: AGPL-3.0-or-later
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namespace Friendica\Database\Definition;
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use Exception;
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use Friendica\Core\Config\Capability\IManageConfigValues;
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use Friendica\Core\Hook;
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use Friendica\DI;
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/**
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* Stores the whole database definition
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*/
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class DbaDefinition
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{
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/** @var string The relative path of the db structure config file */
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const DBSTRUCTURE_RELATIVE_PATH = '/static/dbstructure.config.php';
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/** @var array The complete DB definition as an array */
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protected $definition;
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/** @var string */
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protected $configFile;
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/**
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* @param string $basePath The basepath of the dbstructure file (loads relative path in case of null)
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*
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* @throws Exception in case the config file isn't available/readable
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*/
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public function __construct(string $basePath)
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{
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$this->configFile = $basePath . static::DBSTRUCTURE_RELATIVE_PATH;
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if (!is_readable($this->configFile)) {
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throw new Exception('Missing database structure config file static/dbstructure.config.php at basePath=' . $basePath);
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}
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}
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/**
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* @return array Returns the whole Definition as an array
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*/
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public function getAll(): array
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{
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return $this->definition;
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}
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/**
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* Truncate field data for the given table
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*
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* @param string $table Name of the table to load field definitions for
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* @param array $data data fields
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*
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* @return array fields for the given
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*/
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public function truncateFieldsForTable(string $table, array $data): array
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{
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$definition = $this->definition;
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if (empty($definition[$table])) {
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return [];
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}
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$fieldNames = array_keys($definition[$table]['fields']);
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$fields = [];
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$charset = DI::config()->get('database', 'charset') ?? '';
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// Assign all field that are present in the table
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foreach ($fieldNames as $field) {
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if (isset($data[$field])) {
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// Limit the length of varchar, varbinary, char and binary fields
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if (is_string($data[$field]) && preg_match("/char\((\d*)\)/", $definition[$table]['fields'][$field]['type'], $result)) {
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if ($charset == 'latin1') {
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$data[$field] = substr($data[$field], 0, $result[1]);
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} else {
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$data[$field] = mb_substr($data[$field], 0, $result[1]);
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}
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} elseif (is_string($data[$field]) && preg_match("/binary\((\d*)\)/", $definition[$table]['fields'][$field]['type'], $result)) {
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$data[$field] = substr($data[$field], 0, $result[1]);
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} elseif (is_numeric($data[$field]) && $definition[$table]['fields'][$field]['type'] === 'int') {
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$data[$field] = min(max((int)$data[$field], -2147483648), 2147483647);
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} elseif (is_numeric($data[$field]) && $definition[$table]['fields'][$field]['type'] === 'int unsigned') {
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$data[$field] = min(max((int)$data[$field], 0), 4294967295);
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}
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$fields[$field] = $data[$field];
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}
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}
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return $fields;
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}
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/**
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* Loads the database structure definition from the static/dbstructure.config.php file.
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* On first pass, defines DB_UPDATE_VERSION constant.
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*
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* @param bool $withAddonStructure Whether to tack on addons additional tables
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*
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* @throws Exception in case the definition cannot be found
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*
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* @see static/dbstructure.config.php
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*
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* @return self The current instance
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*/
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public function load(bool $withAddonStructure = false): self
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{
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$definition = require $this->configFile;
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if (!$definition) {
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throw new Exception('Corrupted database structure config file static/dbstructure.config.php');
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}
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if ($withAddonStructure) {
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Hook::callAll('dbstructure_definition', $definition);
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}
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$this->definition = $definition;
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return $this;
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}
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}
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