✨ Add /kai reverse-proxy route. (konveyor#2089)

Related: konveyor/tackle2-hub#750

Signed-off-by: Jeff Ortel <jortel@redhat.com>

Author: jortel

common/src/proxies.ts

@@ -60,4 +60,35 @@ export const proxyMap: Record<string, Options> = {
       }
     },
   },
+
+  "/kai": {
+    target: KONVEYOR_ENV.TACKLE_HUB_URL || "http://localhost:9002",
+    logLevel: process.env.DEBUG ? "debug" : "info",
+
+    changeOrigin: true,
+    pathRewrite: {
+      "^/kai": "/services/kai",
+    },
+
+    onProxyReq: (proxyReq, req, _res) => {
+      // Add the Bearer token to the request if it is not already present, AND if
+      // the token is part of the request as a cookie
+      if (req.cookies?.keycloak_cookie && !req.headers["authorization"]) {
+        proxyReq.setHeader(
+          "Authorization",
+          `Bearer ${req.cookies.keycloak_cookie}`
+        );
+      }
+    },
+    onProxyRes: (proxyRes, req, res) => {
+      const includesJsonHeaders =
+        req.headers.accept?.includes("application/json");
+      if (
+        (!includesJsonHeaders && proxyRes.statusCode === 401) ||
+        (!includesJsonHeaders && proxyRes.statusMessage === "Unauthorized")
+      ) {
+        res.redirect("/");
+      }
+    },
+  },
 };