mirror of https://github.com/FreshRSS/FreshRSS.git
397 lines
11 KiB
PHP
397 lines
11 KiB
PHP
<?php
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declare(strict_types=1);
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/**
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* This class is used to test database is well-constructed.
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*/
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class FreshRSS_DatabaseDAO extends Minz_ModelPdo {
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//MySQL error codes
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public const ER_BAD_FIELD_ERROR = '42S22';
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public const ER_BAD_TABLE_ERROR = '42S02';
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public const ER_DATA_TOO_LONG = '1406';
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/**
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* Based on SQLite SQLITE_MAX_VARIABLE_NUMBER
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*/
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public const MAX_VARIABLE_NUMBER = 998;
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//MySQL InnoDB maximum index length for UTF8MB4
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//https://dev.mysql.com/doc/refman/8.0/en/innodb-restrictions.html
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public const LENGTH_INDEX_UNICODE = 191;
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public function create(): string {
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require_once(APP_PATH . '/SQL/install.sql.' . $this->pdo->dbType() . '.php');
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$db = FreshRSS_Context::$system_conf->db;
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try {
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$sql = sprintf($GLOBALS['SQL_CREATE_DB'], empty($db['base']) ? '' : $db['base']);
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return $this->pdo->exec($sql) === false ? 'Error during CREATE DATABASE' : '';
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} catch (Exception $e) {
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syslog(LOG_DEBUG, __method__ . ' notice: ' . $e->getMessage());
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return $e->getMessage();
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}
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}
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public function testConnection(): string {
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try {
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$sql = 'SELECT 1';
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$stm = $this->pdo->query($sql);
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if ($stm === false) {
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return 'Error during SQL connection test!';
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}
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$res = $stm->fetchAll(PDO::FETCH_COLUMN, 0);
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return $res == false ? 'Error during SQL connection fetch test!' : '';
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} catch (Exception $e) {
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syslog(LOG_DEBUG, __method__ . ' warning: ' . $e->getMessage());
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return $e->getMessage();
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}
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}
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public function tablesAreCorrect(): bool {
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$res = $this->fetchAssoc('SHOW TABLES');
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if ($res == null) {
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return false;
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}
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$tables = [
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$this->pdo->prefix() . 'category' => false,
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$this->pdo->prefix() . 'feed' => false,
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$this->pdo->prefix() . 'entry' => false,
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$this->pdo->prefix() . 'entrytmp' => false,
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$this->pdo->prefix() . 'tag' => false,
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$this->pdo->prefix() . 'entrytag' => false,
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];
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foreach ($res as $value) {
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$tables[array_pop($value)] = true;
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}
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return count(array_keys($tables, true, true)) === count($tables);
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}
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/** @return array<array<string,string|int|bool|null>> */
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public function getSchema(string $table): array {
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$res = $this->fetchAssoc('DESC `_' . $table . '`');
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return $res == null ? [] : $this->listDaoToSchema($res);
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}
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/** @param array<string> $schema */
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public function checkTable(string $table, array $schema): bool {
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$columns = $this->getSchema($table);
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if (count($columns) === 0 || count($schema) === 0) {
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return false;
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}
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$ok = count($columns) === count($schema);
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foreach ($columns as $c) {
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$ok &= in_array($c['name'], $schema, true);
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}
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return (bool)$ok;
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}
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public function categoryIsCorrect(): bool {
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return $this->checkTable('category', ['id', 'name']);
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}
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public function feedIsCorrect(): bool {
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return $this->checkTable('feed', [
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'id',
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'url',
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'category',
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'name',
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'website',
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'description',
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'lastUpdate',
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'priority',
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'pathEntries',
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'httpAuth',
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'error',
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'ttl',
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'attributes',
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'cache_nbEntries',
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'cache_nbUnreads',
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]);
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}
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public function entryIsCorrect(): bool {
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return $this->checkTable('entry', [
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'id',
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'guid',
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'title',
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'author',
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'content_bin',
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'link',
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'date',
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'lastSeen',
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'hash',
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'is_read',
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'is_favorite',
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'id_feed',
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'tags',
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]);
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}
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public function entrytmpIsCorrect(): bool {
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return $this->checkTable('entrytmp', [
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'id', 'guid', 'title', 'author', 'content_bin', 'link', 'date', 'lastSeen', 'hash', 'is_read', 'is_favorite', 'id_feed', 'tags'
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]);
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}
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public function tagIsCorrect(): bool {
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return $this->checkTable('tag', ['id', 'name', 'attributes']);
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}
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public function entrytagIsCorrect(): bool {
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return $this->checkTable('entrytag', ['id_tag', 'id_entry']);
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}
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/**
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* @param array<string,string|int|bool|null> $dao
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* @return array{'name':string,'type':string,'notnull':bool,'default':mixed}
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*/
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public function daoToSchema(array $dao): array {
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return [
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'name' => (string)($dao['Field']),
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'type' => strtolower((string)($dao['Type'])),
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'notnull' => (bool)$dao['Null'],
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'default' => $dao['Default'],
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];
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}
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/**
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* @param array<array<string,string|int|bool|null>> $listDAO
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* @return array<array<string,string|int|bool|null>>
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*/
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public function listDaoToSchema(array $listDAO): array {
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$list = [];
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foreach ($listDAO as $dao) {
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$list[] = $this->daoToSchema($dao);
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}
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return $list;
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}
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public function size(bool $all = false): int {
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$db = FreshRSS_Context::$system_conf->db;
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// MariaDB does not refresh size information automatically
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$sql = <<<'SQL'
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ANALYZE TABLE `_category`, `_feed`, `_entry`, `_entrytmp`, `_tag`, `_entrytag`
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SQL;
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$stm = $this->pdo->query($sql);
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if ($stm !== false) {
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$stm->fetchAll();
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}
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//MySQL:
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$sql = <<<'SQL'
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SELECT SUM(DATA_LENGTH + INDEX_LENGTH + DATA_FREE)
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FROM information_schema.TABLES WHERE TABLE_SCHEMA=:table_schema
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SQL;
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$values = [':table_schema' => $db['base']];
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if (!$all) {
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$sql .= ' AND table_name LIKE :table_name';
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$values[':table_name'] = $this->pdo->prefix() . '%';
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}
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$res = $this->fetchColumn($sql, 0, $values);
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return isset($res[0]) ? (int)($res[0]) : -1;
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}
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public function optimize(): bool {
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$ok = true;
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$tables = ['category', 'feed', 'entry', 'entrytmp', 'tag', 'entrytag'];
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foreach ($tables as $table) {
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$sql = 'OPTIMIZE TABLE `_' . $table . '`'; //MySQL
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$stm = $this->pdo->query($sql);
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if ($stm == false || $stm->fetchAll(PDO::FETCH_ASSOC) == false) {
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$ok = false;
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$info = $stm == null ? $this->pdo->errorInfo() : $stm->errorInfo();
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Minz_Log::warning(__METHOD__ . ' error: ' . $sql . ' : ' . json_encode($info));
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}
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}
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return $ok;
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}
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public function minorDbMaintenance(): void {
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$catDAO = FreshRSS_Factory::createCategoryDao();
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$catDAO->resetDefaultCategoryName();
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include_once(APP_PATH . '/SQL/install.sql.' . $this->pdo->dbType() . '.php');
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if (!empty($GLOBALS['SQL_UPDATE_MINOR']) && $this->pdo->exec($GLOBALS['SQL_UPDATE_MINOR']) === false) {
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Minz_Log::error('SQL error ' . __METHOD__ . json_encode($this->pdo->errorInfo()));
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}
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}
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private static function stdError(string $error): bool {
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if (defined('STDERR')) {
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fwrite(STDERR, $error . "\n");
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}
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Minz_Log::error($error);
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return false;
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}
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public const SQLITE_EXPORT = 1;
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public const SQLITE_IMPORT = 2;
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public function dbCopy(string $filename, int $mode, bool $clearFirst = false): bool {
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if (!extension_loaded('pdo_sqlite')) {
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return self::stdError('PHP extension pdo_sqlite is missing!');
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}
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$error = '';
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$userDAO = FreshRSS_Factory::createUserDao();
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$catDAO = FreshRSS_Factory::createCategoryDao();
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$feedDAO = FreshRSS_Factory::createFeedDao();
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$entryDAO = FreshRSS_Factory::createEntryDao();
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$tagDAO = FreshRSS_Factory::createTagDao();
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switch ($mode) {
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case self::SQLITE_EXPORT:
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if (@filesize($filename) > 0) {
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$error = 'Error: SQLite export file already exists: ' . $filename;
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}
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break;
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case self::SQLITE_IMPORT:
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if (!is_readable($filename)) {
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$error = 'Error: SQLite import file is not readable: ' . $filename;
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} elseif ($clearFirst) {
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$userDAO->deleteUser();
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if ($this->pdo->dbType() === 'sqlite') {
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//We cannot just delete the .sqlite file otherwise PDO gets buggy.
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//SQLite is the only one with database-level optimization, instead of at table level.
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$this->optimize();
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}
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} else {
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$nbEntries = $entryDAO->countUnreadRead();
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if (!empty($nbEntries['all'])) {
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$error = 'Error: Destination database already contains some entries!';
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}
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}
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break;
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default:
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$error = 'Invalid copy mode!';
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break;
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}
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if ($error != '') {
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return self::stdError($error);
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}
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$sqlite = null;
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try {
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$sqlite = new Minz_PdoSqlite('sqlite:' . $filename);
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} catch (Exception $e) {
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$error = 'Error while initialising SQLite copy: ' . $e->getMessage();
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return self::stdError($error);
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}
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Minz_ModelPdo::clean();
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$userDAOSQLite = new FreshRSS_UserDAO('', $sqlite);
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$categoryDAOSQLite = new FreshRSS_CategoryDAOSQLite('', $sqlite);
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$feedDAOSQLite = new FreshRSS_FeedDAOSQLite('', $sqlite);
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$entryDAOSQLite = new FreshRSS_EntryDAOSQLite('', $sqlite);
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$tagDAOSQLite = new FreshRSS_TagDAOSQLite('', $sqlite);
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switch ($mode) {
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case self::SQLITE_EXPORT:
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$userFrom = $userDAO; $userTo = $userDAOSQLite;
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$catFrom = $catDAO; $catTo = $categoryDAOSQLite;
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$feedFrom = $feedDAO; $feedTo = $feedDAOSQLite;
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$entryFrom = $entryDAO; $entryTo = $entryDAOSQLite;
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$tagFrom = $tagDAO; $tagTo = $tagDAOSQLite;
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break;
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case self::SQLITE_IMPORT:
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$userFrom = $userDAOSQLite; $userTo = $userDAO;
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$catFrom = $categoryDAOSQLite; $catTo = $catDAO;
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$feedFrom = $feedDAOSQLite; $feedTo = $feedDAO;
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$entryFrom = $entryDAOSQLite; $entryTo = $entryDAO;
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$tagFrom = $tagDAOSQLite; $tagTo = $tagDAO;
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break;
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default:
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return false;
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}
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$idMaps = [];
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if (defined('STDERR')) {
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fwrite(STDERR, "Start SQL copy…\n");
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}
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$userTo->createUser();
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$catTo->beginTransaction();
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foreach ($catFrom->selectAll() as $category) {
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$cat = $catTo->searchByName($category['name']); //Useful for the default category
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if ($cat != null) {
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$catId = $cat->id();
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} else {
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$catId = $catTo->addCategory($category);
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if ($catId == false) {
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$error = 'Error during SQLite copy of categories!';
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return self::stdError($error);
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}
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}
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$idMaps['c' . $category['id']] = $catId;
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}
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foreach ($feedFrom->selectAll() as $feed) {
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$feed['category'] = empty($idMaps['c' . $feed['category']]) ? FreshRSS_CategoryDAO::DEFAULTCATEGORYID : $idMaps['c' . $feed['category']];
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$feedId = $feedTo->addFeed($feed);
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if ($feedId == false) {
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$error = 'Error during SQLite copy of feeds!';
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return self::stdError($error);
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}
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$idMaps['f' . $feed['id']] = $feedId;
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}
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$catTo->commit();
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$nbEntries = $entryFrom->count();
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$n = 0;
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$entryTo->beginTransaction();
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foreach ($entryFrom->selectAll() as $entry) {
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$n++;
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if (!empty($idMaps['f' . $entry['id_feed']])) {
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$entry['id_feed'] = $idMaps['f' . $entry['id_feed']];
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if (!$entryTo->addEntry($entry, false)) {
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$error = 'Error during SQLite copy of entries!';
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return self::stdError($error);
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}
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}
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if ($n % 100 === 1 && defined('STDERR')) { //Display progression
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fwrite(STDERR, "\033[0G" . $n . '/' . $nbEntries);
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}
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}
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if (defined('STDERR')) {
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fwrite(STDERR, "\033[0G" . $n . '/' . $nbEntries . "\n");
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}
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$entryTo->commit();
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$feedTo->updateCachedValues();
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$idMaps = [];
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$tagTo->beginTransaction();
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foreach ($tagFrom->selectAll() as $tag) {
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$tagId = $tagTo->addTag($tag);
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if ($tagId == false) {
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$error = 'Error during SQLite copy of tags!';
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return self::stdError($error);
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}
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$idMaps['t' . $tag['id']] = $tagId;
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}
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foreach ($tagFrom->selectEntryTag() as $entryTag) {
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if (!empty($idMaps['t' . $entryTag['id_tag']])) {
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$entryTag['id_tag'] = $idMaps['t' . $entryTag['id_tag']];
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if (!$tagTo->tagEntry($entryTag['id_tag'], $entryTag['id_entry'])) {
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$error = 'Error during SQLite copy of entry-tags!';
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return self::stdError($error);
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}
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}
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}
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$tagTo->commit();
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return true;
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}
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}
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