OAuth3 Demo: Microsoft Email Fetch (read-only, 5 messages)

microsoft-email-fetch.ts

// @skill Microsoft Email Fetch
// @description Fetch recent emails from Microsoft Graph API (read-only, limited to 5 messages)
// @secrets MICROSOFT_API_KEY
// @network graph.microsoft.com
// @timeout 30

const MICROSOFT_API_KEY = Deno.env.get("MICROSOFT_API_KEY");

if (!MICROSOFT_API_KEY) {
  console.error("Error: MICROSOFT_API_KEY required");
  Deno.exit(1);
}

console.log("📧 Fetching recent emails from Microsoft Graph API...");
console.log(`🔒 API key configured (length: ${MICROSOFT_API_KEY.length})`);

try {
  const response = await fetch("https://graph.microsoft.com/v1.0/me/messages?$top=5&$select=subject,from,receivedDateTime", {
    method: "GET",
    headers: {
      "Authorization": `Bearer ${MICROSOFT_API_KEY}`,
      "Content-Type": "application/json",
    },
  });

  if (!response.ok) {
    const error = await response.text();
    console.error(`❌ API Error ${response.status}: ${error}`);
    Deno.exit(1);
  }

  const data = await response.json();
  
  console.log(`\n✅ Found ${data.value.length} recent emails:\n`);
  
  for (const email of data.value) {
    const from = email.from?.emailAddress?.name || email.from?.emailAddress?.address || 'Unknown';
    const date = new Date(email.receivedDateTime).toLocaleString();
    console.log(`📬 ${email.subject}`);
    console.log(`   From: ${from}`);
    console.log(`   Date: ${date}\n`);
  }
  
  console.log(`\n📊 Total emails fetched: ${data.value.length}`);
} catch (error) {
  console.error(`Network error: ${error.message}`);
  Deno.exit(1);
}