Add proxy IP headers to Telegram notifications

app/Services/TelegramNotificationService.php

@@ -7,16 +7,21 @@ use Illuminate\Support\Facades\Http;
 
 class TelegramNotificationService
 {
+    /**
+     * @param  array<string, string|null>  $ipHeaders
+     */
     public function notifyContactMessage(
         string $name,
         string $message,
         string $ip,
         string $userAgent,
         ?string $email = null,
-        ?string $phone = null
+        ?string $phone = null,
+        array $ipHeaders = []
     ): void {
         $email ??= '-';
         $phone ??= '-';
+        $ipHeaderText = $this->formatIpHeaders($ipHeaders);
 
         $text = <<<TEXT
 Nieuw contactbericht ontvangen
@@ -25,6 +30,7 @@ Naam: {$name}
 Email: {$email}
 Telefoon: {$phone}
 IP: {$ip}
+{$ipHeaderText}
 User Agent: {$userAgent}
 
 Bericht:
@@ -36,16 +42,21 @@ TEXT;
         $this->send($text);
     }
 
-    public function notifyPersonaliaClick(Personalia $personalia, ?string $ip, ?string $userAgent): void
+    /**
+     * @param  array<string, string|null>  $ipHeaders
+     */
+    public function notifyPersonaliaClick(Personalia $personalia, ?string $ip, ?string $userAgent, array $ipHeaders = []): void
     {
         $ip ??= '-';
         $userAgent ??= '-';
+        $ipHeaderText = $this->formatIpHeaders($ipHeaders);
 
         $message = <<<TEXT
 Persoonlijke gegevens bekeken
 
 Naam: {$personalia->value}
 IP: {$ip}
+{$ipHeaderText}
 User Agent: {$userAgent}
 
 Tijdstip: {now()->format('d-m-Y H:i')}
@@ -56,11 +67,13 @@ TEXT;
 
     /**
      * @param  array<string, mixed>  $visit
+     * @param  array<string, string|null>  $ipHeaders
      */
-    public function notifyPageVisit(array $visit, ?string $ip, ?string $userAgent, ?string $acceptLanguage): void
+    public function notifyPageVisit(array $visit, ?string $ip, ?string $userAgent, ?string $acceptLanguage, array $ipHeaders = []): void
     {
         $screen = $this->formatDimensions($visit['screen'] ?? null);
         $viewport = $this->formatDimensions($visit['viewport'] ?? null);
+        $ipHeaderText = $this->formatIpHeaders($ipHeaders);
 
         $message = <<<TEXT
 Pagina bezocht
@@ -72,6 +85,7 @@ Referrer: {$this->value($visit['referrer'] ?? null)}
 
 Visitor ID: {$this->value($visit['visitor_id'] ?? null)}
 IP: {$this->value($ip)}
+{$ipHeaderText}
 User Agent: {$this->value($userAgent)}
 Accept-Language: {$this->value($acceptLanguage)}
 Browser taal: {$this->value($visit['language'] ?? null)}
@@ -108,6 +122,23 @@ TEXT;
         ]);
     }
 
+    /**
+     * @param  array<string, string|null>  $ipHeaders
+     */
+    protected function formatIpHeaders(array $ipHeaders): string
+    {
+        $headers = [
+            'CF-Connecting-IP',
+            'X-Forwarded-For',
+            'X-Real-IP',
+            'Forwarded',
+        ];
+
+        return collect($headers)
+            ->map(fn (string $header): string => "{$header}: {$this->value($ipHeaders[$header] ?? null)}")
+            ->implode("\n");
+    }
+
     protected function value(mixed $value): string
     {
         if (is_bool($value)) {