Initial V2 commit
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Hamza-Ayed
177
app/Services/FcmService.php
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177
app/Services/FcmService.php
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<?php
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namespace App\Services;
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use Illuminate\Support\Facades\Log;
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/**
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* FCM Notification Service
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*
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* Sends push notifications via Firebase Cloud Messaging (HTTP v1 API).
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* Replaces the scattered sendFCM_Internal() calls from V1.
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*/
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class FcmService
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{
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private ?string $accessToken = null;
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private string $credentialsPath;
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private string $cachePath;
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public function __construct()
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{
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$this->credentialsPath = config('intaleq.fcm_credentials_path');
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$this->cachePath = config('intaleq.fcm_cache_path');
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}
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/**
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* Send FCM notification to a specific device token
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*/
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public function sendToDevice(string $token, string $title, string $body, array $data = [], string $category = ''): array
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{
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if (empty($token)) {
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return ['status' => 'error', 'message' => 'Empty token'];
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}
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// Add category to data payload
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if ($category) {
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$data['category'] = $category;
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}
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// Convert non-string data values
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$stringData = [];
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foreach ($data as $key => $value) {
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$stringData[$key] = is_array($value) ? json_encode($value) : (string) $value;
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}
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$payload = [
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'message' => [
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'token' => $token,
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'notification' => [
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'title' => $title,
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'body' => $body,
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],
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'data' => $stringData,
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'android' => [
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'priority' => 'high',
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],
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'apns' => [
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'payload' => [
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'aps' => [
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'sound' => 'default',
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'badge' => 1,
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],
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],
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],
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],
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];
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return $this->sendRequest($payload);
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}
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/**
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* Send to FCM topic
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*/
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public function sendToTopic(string $topic, string $title, string $body, array $data = []): array
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{
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$payload = [
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'message' => [
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'topic' => $topic,
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'notification' => [
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'title' => $title,
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'body' => $body,
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],
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'data' => array_map('strval', $data),
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],
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];
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return $this->sendRequest($payload);
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}
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private function sendRequest(array $payload): array
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{
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$accessToken = $this->getAccessToken();
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if (!$accessToken) {
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return ['status' => 'error', 'message' => 'Failed to get access token'];
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}
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$credentials = json_decode(file_get_contents($this->credentialsPath), true);
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$projectId = $credentials['project_id'] ?? '';
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$url = "https://fcm.googleapis.com/v1/projects/{$projectId}/messages:send";
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$ch = curl_init($url);
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curl_setopt_array($ch, [
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CURLOPT_POST => true,
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CURLOPT_HTTPHEADER => [
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"Authorization: Bearer {$accessToken}",
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'Content-Type: application/json',
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],
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CURLOPT_POSTFIELDS => json_encode($payload),
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CURLOPT_RETURNTRANSFER => true,
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CURLOPT_TIMEOUT => 10,
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]);
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$result = curl_exec($ch);
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$httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
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curl_close($ch);
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if ($httpCode === 200) {
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return ['status' => 'success', 'response' => json_decode($result, true)];
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}
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Log::error("[FCM] Error {$httpCode}: {$result}");
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return ['status' => 'error', 'code' => $httpCode, 'response' => $result];
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}
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private function getAccessToken(): ?string
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{
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// Check cache
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if (file_exists($this->cachePath)) {
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$cached = json_decode(file_get_contents($this->cachePath), true);
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if ($cached && ($cached['expires_at'] ?? 0) > time() + 60) {
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return $cached['token'];
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}
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}
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if (!file_exists($this->credentialsPath)) return null;
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$credentials = json_decode(file_get_contents($this->credentialsPath), true);
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$clientEmail = $credentials['client_email'];
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$privateKey = $credentials['private_key'];
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$now = time();
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$header = rtrim(strtr(base64_encode(json_encode(['alg' => 'RS256', 'typ' => 'JWT'])), '+/', '-_'), '=');
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$claim = rtrim(strtr(base64_encode(json_encode([
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'iss' => $clientEmail,
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'scope' => 'https://www.googleapis.com/auth/firebase.messaging',
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'aud' => 'https://oauth2.googleapis.com/token',
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'exp' => $now + 3600,
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'iat' => $now,
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])), '+/', '-_'), '=');
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$signature = '';
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openssl_sign("{$header}.{$claim}", $signature, $privateKey, 'SHA256');
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$jwt = "{$header}.{$claim}." . rtrim(strtr(base64_encode($signature), '+/', '-_'), '=');
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$ch = curl_init('https://oauth2.googleapis.com/token');
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curl_setopt_array($ch, [
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CURLOPT_POST => true,
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CURLOPT_POSTFIELDS => http_build_query([
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'grant_type' => 'urn:ietf:params:oauth:grant-type:jwt-bearer',
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'assertion' => $jwt,
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]),
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CURLOPT_RETURNTRANSFER => true,
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]);
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$res = curl_exec($ch);
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curl_close($ch);
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$token = json_decode($res, true)['access_token'] ?? null;
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if ($token) {
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file_put_contents($this->cachePath, json_encode([
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'token' => $token,
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'expires_at' => time() + 3500,
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]));
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}
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return $token;
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}
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}
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