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<?php |
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namespace Jidaikobo\Kontiki\Services; |
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use Illuminate\Database\Connection; |
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use Jidaikobo\Kontiki\Core\Database; |
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class RateLimitService |
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{ |
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private Connection $db; |
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private int $blockDuration = 900; // 15 minutes |
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private int $limitDuration = 180; // 3 minutes |
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private int $maxAttempts = 5; // Max 5 attempts |
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public function __construct(Database $db) |
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{ |
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$this->db = $db->getConnection(); |
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} |
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public function recordFailedLogin(string $ip): void |
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{ |
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$now = time(); |
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$record = $this->getRateLimitRecord($ip); |
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if ($record) { |
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$this->db->table('rate_limit') |
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->where('ip_address', $ip) |
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->update([ |
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'attempt_count' => $record->attempt_count + 1, |
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'last_attempt' => $now, |
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]); |
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} else { |
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$this->db->table('rate_limit')->insert([ |
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'ip_address' => $ip, |
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'attempt_count' => 1, |
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'first_attempt' => $now, |
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'last_attempt' => $now, |
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]); |
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} |
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} |
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public function isIpBlocked(string $ip): bool |
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{ |
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$record = $this->getRateLimitRecord($ip); |
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if (!$record) { |
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return false; |
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} |
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if ($this->isCurrentlyBlocked($record)) { |
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return true; |
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} |
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if ($this->shouldBlockIp($record)) { |
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$this->blockIp($ip); |
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return true; |
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} |
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return false; |
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} |
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public function resetRateLimit(string $ip): void |
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{ |
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$this->db->table('rate_limit') |
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->where('ip_address', $ip) |
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->delete(); |
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} |
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public function cleanOldRateLimitData(): void |
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{ |
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$threshold = time() - (7 * 24 * 60 * 60); // 7 days |
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$this->db->table('rate_limit') |
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->where('last_attempt', '<', $threshold) |
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->delete(); |
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} |
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private function getRateLimitRecord(string $ip) |
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{ |
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return $this->db->table('rate_limit') |
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->where('ip_address', $ip) |
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->first(); |
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} |
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private function isCurrentlyBlocked($record): bool |
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{ |
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return !is_null($record->blocked_until) && $record->blocked_until > time(); |
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} |
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private function shouldBlockIp($record): bool |
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{ |
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return $record->attempt_count >= $this->maxAttempts && |
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(time() - $record->first_attempt) <= $this->limitDuration; |
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} |
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private function blockIp(string $ip): void |
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{ |
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$this->db->table('rate_limit') |
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->where('ip_address', $ip) |
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->update(['blocked_until' => time() + $this->blockDuration]); |
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} |
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} |
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jidaikobo-shibata /
kontiki-framework
