345 lines
11 KiB
PHP
345 lines
11 KiB
PHP
<?php
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namespace App\Livewire\Ui\Security\Modal;
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use LivewireUI\Modal\ModalComponent;
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use App\Models\Fail2banIpList;
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use Illuminate\Validation\ValidationException;
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class Fail2banIpModal extends ModalComponent
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{
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/** 'whitelist' | 'blacklist' */
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public string $type = 'whitelist';
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/** 'add' | 'remove' */
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public string $mode = 'add';
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/** IP/CIDR im Formular */
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public string $ip = '';
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/** Für "remove" vorbefüllt */
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public ?string $prefill = null;
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public static function modalMaxWidth(): string
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{
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return 'lg';
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}
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public function mount(string $type = 'whitelist', string $mode = 'add', ?string $ip = null): void
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{
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$type = strtolower($type);
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$mode = strtolower($mode);
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if (!in_array($type, ['whitelist', 'blacklist'], true)) {
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throw new \InvalidArgumentException('Invalid type');
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}
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if (!in_array($mode, ['add', 'remove'], true)) {
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throw new \InvalidArgumentException('Invalid mode');
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}
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$this->type = $type;
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$this->mode = $mode;
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$this->ip = $ip ?? '';
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$this->prefill = $ip;
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}
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public function render()
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{
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return view('livewire.ui.security.modal.fail2ban-ip-modal');
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}
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/* ---------------- actions ---------------- */
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public function save(): void
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{
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$this->assertAddMode();
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$ip = trim($this->ip);
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if (!Fail2banIpList::isValidIpOrCidr($ip)) {
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throw ValidationException::withMessages(['ip' => 'Ungültige IP oder CIDR.']);
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}
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// Schutz: System-/Loopback-IPs darf der User nicht manuell pflegen
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if (Fail2banIpList::isLoopback($ip)) {
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throw ValidationException::withMessages(['ip' => 'Loopback/localhost ist bereits systemseitig erlaubt und kann nicht geändert werden.']);
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}
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// Duplikate abfangen (es gibt einen Unique-Index ip+type; trotzdem user-freundlich)
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$exists = Fail2banIpList::where('ip', $ip)->where('type', $this->type)->exists();
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if ($exists) {
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throw ValidationException::withMessages(['ip' => ucfirst($this->type) . ' enthält diese IP bereits.']);
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}
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// DB schreiben
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Fail2banIpList::create(['ip' => $ip, 'type' => $this->type]);
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if ($this->type === 'whitelist') {
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$this->writeWhitelistConfig(); // schreibt /etc/fail2ban/jail.d/mailwolt-whitelist.local
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$this->reloadFail2ban(); // f2b neu laden
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} else {
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// Blacklist = sofort bannen im dedizierten Jail
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$this->banIp($ip);
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}
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$this->dispatch('f2b:refresh');
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$this->dispatch('notify', message: ucfirst($this->type) . ' aktualisiert.');
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$this->closeModal();
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$this->dispatch('f2b:refresh');
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}
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public function remove(): void
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{
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$this->assertRemoveMode();
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$ip = trim($this->prefill ?? $this->ip);
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if ($ip === '') return;
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// System-Whitelist darf nicht entfernt werden
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$row = Fail2banIpList::where('type', $this->type)->where('ip', $ip)->first();
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if ($row && $row->is_system) {
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throw ValidationException::withMessages(['ip' => 'Systemeintrag kann nicht entfernt werden.']);
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}
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Fail2banIpList::where('type', $this->type)->where('ip', $ip)->delete();
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if ($this->type === 'whitelist') {
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$this->writeWhitelistConfig();
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$this->reloadFail2ban();
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} else {
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$this->unbanIp($ip);
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}
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$this->dispatch('f2b:refresh');
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$this->dispatch('notify', message: ucfirst($this->type) . ' Eintrag entfernt.');
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$this->closeModal();
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$this->dispatch('f2b:refresh');
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}
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/* ---------------- helper ---------------- */
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private function assertAddMode(): void
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{
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if ($this->mode !== 'add') throw new \LogicException('Wrong mode');
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}
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private function assertRemoveMode(): void
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{
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if ($this->mode !== 'remove') throw new \LogicException('Wrong mode');
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}
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private function writeWhitelistConfig(): void
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{
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// WICHTIG: inkl. System-IPs
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$ips = Fail2banIpList::allWhitelistForConfig();
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$ignore = implode(' ', array_unique(array_filter($ips)));
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$content = "[DEFAULT]\nignoreip = {$ignore}\n";
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// sicher in Root-Pfad schreiben (sudo tee)
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$this->writeRootFileViaTee('/etc/fail2ban/jail.d/mailwolt-whitelist.local', $content);
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}
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private function writeRootFileViaTee(string $target, string $content): void
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{
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if (!preg_match('#^/etc/fail2ban/jail\.d/[A-Za-z0-9._-]+\.local$#', $target)) {
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throw new \RuntimeException("Illegal path: $target");
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}
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$cmd = sprintf('sudo -n /usr/bin/tee %s >/dev/null', escapeshellarg($target));
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$desc = [
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0 => ['pipe', 'r'],
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1 => ['pipe', 'w'],
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2 => ['pipe', 'w'],
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];
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$proc = proc_open($cmd, $desc, $pipes);
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if (!is_resource($proc)) {
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throw new \RuntimeException('tee start fehlgeschlagen');
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}
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fwrite($pipes[0], $content);
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fclose($pipes[0]);
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$stdout = stream_get_contents($pipes[1]);
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fclose($pipes[1]);
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$stderr = stream_get_contents($pipes[2]);
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fclose($pipes[2]);
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$code = proc_close($proc);
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if ($code !== 0) {
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throw new \RuntimeException("tee failed (code $code): $stderr $stdout");
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}
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}
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private function reloadFail2ban(): void
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{
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@shell_exec('sudo -n /usr/bin/fail2ban-client reload 2>&1');
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}
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private function banIp(string $ip): void
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{
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$ipEsc = escapeshellarg($ip);
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@shell_exec("sudo -n /usr/bin/fail2ban-client set mailwolt-blacklist banip {$ipEsc} 2>&1");
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}
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private function unbanIp(string $ip): void
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{
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$ipEsc = escapeshellarg($ip);
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@shell_exec("sudo -n /usr/bin/fail2ban-client set mailwolt-blacklist unbanip {$ipEsc} 2>&1");
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}
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}
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//
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//namespace App\Livewire\Ui\Security\Modal;
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//
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//use LivewireUI\Modal\ModalComponent;
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//use App\Models\Fail2banIpList;
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//use Illuminate\Validation\ValidationException;
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//
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//class Fail2banIpModal extends ModalComponent
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//{
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// /** 'whitelist' | 'blacklist' */
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// public string $type = 'whitelist';
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//
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// /** 'add' | 'remove' */
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// public string $mode = 'add';
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//
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// /** IP/CIDR im Formular */
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// public string $ip = '';
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//
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// /** Für "remove" vorbefüllt */
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// public ?string $prefill = null;
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//
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// public static function modalMaxWidth(): string { return 'lg'; }
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//
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// public function mount(string $type = 'whitelist', string $mode = 'add', ?string $ip = null): void
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// {
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// $type = strtolower($type);
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// $mode = strtolower($mode);
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//
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// if (!in_array($type, ['whitelist', 'blacklist'], true)) {
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// throw new \InvalidArgumentException('Invalid type');
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// }
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// if (!in_array($mode, ['add', 'remove'], true)) {
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// throw new \InvalidArgumentException('Invalid mode');
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// }
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//
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// $this->type = $type;
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// $this->mode = $mode;
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// $this->ip = $ip ?? '';
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// $this->prefill = $ip;
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// }
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//
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// public function render()
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// {
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// return view('livewire.ui.security.modal.fail2ban-ip-modal');
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// }
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//
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// /* ---------------- actions ---------------- */
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//
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// public function save(): void
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// {
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// $this->assertAddMode();
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// $ip = trim($this->ip);
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//
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// if (!$this->isValidIpOrCidr($ip)) {
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// throw ValidationException::withMessages(['ip' => 'Ungültige IP oder CIDR.']);
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// }
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//
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// // DB schreiben
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// Fail2banIpList::firstOrCreate(['ip' => $ip, 'type' => $this->type]);
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//
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// if ($this->type === 'whitelist') {
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// $this->writeWhitelistConfig();
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// $this->reloadFail2ban();
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// } else {
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// // Blacklist = sofort bannen im dedizierten Jail
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// $this->banIp($ip);
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// }
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//
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// $this->dispatch('f2b:refresh');
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// $this->dispatch('notify', message: ucfirst($this->type).' aktualisiert.');
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// $this->closeModal();
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// $this->dispatch('f2b:refresh'); // falls du eine Liste neu laden willst
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// }
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//
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// public function remove(): void
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// {
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// $this->assertRemoveMode();
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// $ip = trim($this->prefill ?? $this->ip);
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//
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// if ($ip === '') return;
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//
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// Fail2banIpList::where('type', $this->type)->where('ip', $ip)->delete();
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//
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// if ($this->type === 'whitelist') {
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// $this->writeWhitelistConfig();
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// $this->reloadFail2ban();
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// } else {
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// // aus Blacklist-Jail entbannen, falls noch aktiv
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// $this->unbanIp($ip);
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// }
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//
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// $this->dispatch('f2b:refresh');
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// $this->dispatch('notify', message: ucfirst($this->type).' Eintrag entfernt.');
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// $this->closeModal();
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// $this->dispatch('f2b:refresh');
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// }
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//
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// /* ---------------- helper ---------------- */
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//
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// private function assertAddMode(): void
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// {
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// if ($this->mode !== 'add') throw new \LogicException('Wrong mode');
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// }
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//
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// private function assertRemoveMode(): void
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// {
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// if ($this->mode !== 'remove') throw new \LogicException('Wrong mode');
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// }
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//
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// private function isValidIpOrCidr(string $s): bool
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// {
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// // IP
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// if (filter_var($s, FILTER_VALIDATE_IP)) return true;
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//
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// // CIDR
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// if (strpos($s, '/') !== false) {
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// [$ip, $mask] = explode('/', $s, 2);
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// if (!filter_var($ip, FILTER_VALIDATE_IP)) return false;
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// if (strpos($ip, ':') !== false) {
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// // IPv6
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// return ctype_digit($mask) && (int)$mask >= 8 && (int)$mask <= 128;
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// }
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// // IPv4
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// return ctype_digit($mask) && (int)$mask >= 8 && (int)$mask <= 32;
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// }
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// return false;
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// }
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//
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// private function writeWhitelistConfig(): void
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// {
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// $ips = Fail2banIpList::where('type', 'whitelist')->pluck('ip')->toArray();
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// $ignore = implode(' ', array_unique(array_filter($ips)));
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// $content = "[DEFAULT]\nignoreip = {$ignore}\n";
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//
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// $file = '/etc/fail2ban/jail.d/mailwolt-whitelist.local';
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// $tmp = $file.'.tmp';
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// @file_put_contents($tmp, $content, LOCK_EX);
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// @chmod($tmp, 0644);
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// @rename($tmp, $file);
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// }
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//
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// private function reloadFail2ban(): void
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// {
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// @shell_exec('sudo fail2ban-client reload 2>&1');
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// }
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//
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// private function banIp(string $ip): void
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// {
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// $ipEsc = escapeshellarg($ip);
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// @shell_exec("sudo fail2ban-client set mailwolt-blacklist banip {$ipEsc} 2>&1");
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// // optional: in DB zusätzlich behalten, damit UI konsistent ist (bereits oben getan)
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// }
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//
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// private function unbanIp(string $ip): void
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// {
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// $ipEsc = escapeshellarg($ip);
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// @shell_exec("sudo fail2ban-client set mailwolt-blacklist unbanip {$ipEsc} 2>&1");
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// }
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//}
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