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calcom/example-apps/credential-sync/lib/integrations.ts

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+import {
+  GOOGLE_CLIENT_ID,
+  GOOGLE_CLIENT_SECRET,
+  GOOGLE_REFRESH_TOKEN,
+  ZOOM_CLIENT_ID,
+  ZOOM_CLIENT_SECRET,
+  ZOOM_REFRESH_TOKEN,
+} from "../constants";
+
+export async function generateGoogleCalendarAccessToken() {
+  const keys = {
+    client_id: GOOGLE_CLIENT_ID,
+    client_secret: GOOGLE_CLIENT_SECRET,
+    redirect_uris: [
+      "http://localhost:3000/api/integrations/googlecalendar/callback",
+      "http://localhost:3000/api/auth/callback/google",
+    ],
+  };
+  const clientId = keys.client_id;
+  const clientSecret = keys.client_secret;
+  const refresh_token = GOOGLE_REFRESH_TOKEN;
+
+  const url = "https://oauth2.googleapis.com/token";
+  const data = {
+    client_id: clientId,
+    client_secret: clientSecret,
+    refresh_token: refresh_token,
+    grant_type: "refresh_token",
+  };
+
+  try {
+    const response = await fetch(url, {
+      method: "POST",
+      headers: {
+        "Content-Type": "application/x-www-form-urlencoded",
+      },
+      body: new URLSearchParams(data),
+    });
+
+    const json = await response.json();
+    if (json.access_token) {
+      console.log("Access Token:", json.access_token);
+      return json.access_token;
+    } else {
+      console.error("Failed to retrieve access token:", json);
+      return null;
+    }
+  } catch (error) {
+    console.error("Error fetching access token:", error);
+    return null;
+  }
+}
+
+export async function generateZoomAccessToken() {
+  const client_id = ZOOM_CLIENT_ID; // Replace with your client ID
+  const client_secret = ZOOM_CLIENT_SECRET; // Replace with your client secret
+  const refresh_token = ZOOM_REFRESH_TOKEN; // Replace with your refresh token
+
+  const url = "https://zoom.us/oauth/token";
+  const auth = Buffer.from(`${client_id}:${client_secret}`).toString("base64");
+
+  const params = new URLSearchParams();
+  params.append("grant_type", "refresh_token");
+  params.append("refresh_token", refresh_token);
+
+  try {
+    const response = await fetch(url, {
+      method: "POST",
+      headers: {
+        Authorization: `Basic ${auth}`,
+        "Content-Type": "application/x-www-form-urlencoded",
+      },
+      body: params,
+    });
+
+    const json = await response.json();
+    if (json.access_token) {
+      console.log("New Access Token:", json.access_token);
+      console.log("New Refresh Token:", json.refresh_token); // Save this refresh token securely
+      return json.access_token; // You might also want to return the new refresh token if applicable
+    } else {
+      console.error("Failed to refresh access token:", json);
+      return null;
+    }
+  } catch (error) {
+    console.error("Error refreshing access token:", error);
+    return null;
+  }
+}