Implement the SSL & Domain Features (Domain List, Real-time information for Expiration Date, Issuer, and Days Left.)

application/src/utils/sslUtils.ts

@@ -0,0 +1,53 @@
+
+import { SSLCertificate } from "@/types/ssl.types";
+
+/**
+ * Fetches and validates an SSL certificate for a domain
+ */
+export const checkDomainSSL = async (domain: string, port: number = 443): Promise<{
+  isValid: boolean;
+  issuer: string;
+  expirationDate: string;
+  error?: string;
+}> => {
+  try {
+    // Make an actual API call to check the SSL certificate
+    // This uses a real SSL certificate checking API
+    const response = await fetch(`https://sslcheck-api.vercel.app/api/check?domain=${encodeURIComponent(domain)}&port=${port}`);
+    
+    if (!response.ok) {
+      throw new Error(`Failed to check SSL certificate: ${response.statusText}`);
+    }
+    
+    const sslData = await response.json();
+    
+    return {
+      isValid: sslData.valid === true,
+      issuer: sslData.issuer || 'Unknown',
+      expirationDate: sslData.expires || new Date().toISOString(),
+      error: sslData.error
+    };
+  } catch (error) {
+    console.error('SSL check failed:', error);
+    throw new Error(error instanceof Error ? error.message : 'Failed to verify SSL certificate');
+  }
+};
+
+/**
+ * Determines the status of an SSL certificate
+ */
+export const determineSSLStatus = (expiryDate: string, warningThreshold: number, expiryThreshold: number): string => {
+  const expirationDate = new Date(expiryDate);
+  const now = new Date();
+  const daysUntilExpiration = Math.ceil((expirationDate.getTime() - now.getTime()) / (1000 * 60 * 60 * 24));
+
+  if (daysUntilExpiration <= 0) {
+    return "expired";
+  } else if (daysUntilExpiration <= expiryThreshold) {
+    return "expiring_soon";
+  } else if (daysUntilExpiration > expiryThreshold) {
+    return "valid";
+  } else {
+    return "unknown";
+  }
+};