ADD viewer request function

docspace-viewer-request/index.mjs

@@ -0,0 +1,40 @@
+'use strict';
+
+export const handler = async (event, context, callback) => {
+    console.log(JSON.stringify(event));
+
+    // Extract the request from the CloudFront event that is sent to Lambda@Edge 
+    var request = event.Records[0].cf.request;
+
+    const headers = request.headers;
+    let tenantDomain = headers.host[0].value;
+
+    console.log("Tenant domain: %s", tenantDomain);
+
+    const workspaceRegex = /(\/products\/|\/addons\/|.aspx)/i;
+
+    if (workspaceRegex.test(request.uri))
+    {
+        const newurl = `https://${tenantDomain.replace('onlyoffice.com', 'onlyoffice.co')}${request.uri}?${request.querystring}`;
+        console.log("redirect to: %s", newurl);
+
+        const response = {
+            status: '302',
+            statusDescription: 'Found',
+            headers: {
+                location: [{
+                    key: 'Location',
+                    value: newurl,
+                }],
+                'cache-control': [{ // Add cache-control header
+                    key: 'Cache-Control',
+                    value: 'no-store, no-cache, must-revalidate, proxy-revalidate, max-age=0'
+                }],
+            },
+        };
+
+        return callback(null, response);   
+    }
+
+    return callback(null, request);
+}