feat: implement the forwarder termination logic

app/api/session/[...node]/route.ts

@@ -1,28 +0,0 @@
-import { auth } from "@/lib/auth";
-import { headers } from "next/headers"
-import { NextRequest } from "next/server";
-
-export async function PATCH(req: NextRequest, context: { params: Promise<{ node: string[] }> }) {
-  const { node } = await context.params;
-  const requestHeaders = await headers();
-  const result = await auth.api.getToken({ headers: requestHeaders }).catch(() => null);
-  if (!result || typeof result !== "object" || !("token" in result)) {
-    return new Response("Unauthorized", { status: 401 });
-  }
-
-  const { token } = result as { token: string };
-  if (!token) {
-    return new Response("Unauthorized", { status: 401 });
-  }
-
-  const data = await fetch(`${process.env.API_URL}/api/session/${node.join("/")}`, {
-    method: "PATCH",
-    headers: {
-      authorization: `Bearer ${token}`,
-    },
-    cache: "no-store",
-    body: await req.text(),
-  })
-
-  return data;
-}

app/api/session/[...params]/route.ts

@@ -0,0 +1,60 @@
+import { auth } from "@/lib/auth";
+import { headers } from "next/headers"
+import { NextRequest } from "next/server";
+
+export async function PATCH(req: NextRequest, context: { params: Promise<{ params: string[] }> }) {
+  const { params } = await context.params;
+  const requestHeaders = await headers();
+  const result = await auth.api.getToken({ headers: requestHeaders }).catch(() => null);
+  if (!result || typeof result !== "object" || !("token" in result)) {
+    return new Response("Unauthorized", { status: 401 });
+  }
+
+  const { token } = result as { token: string };
+  if (!token) {
+    return new Response("Unauthorized", { status: 401 });
+  }
+
+  const data = await fetch(`${process.env.API_URL}/api/session/${params.join("/")}`, {
+    method: "PATCH",
+    headers: {
+      authorization: `Bearer ${token}`,
+    },
+    cache: "no-store",
+    body: await req.text(),
+  })
+
+  return data;
+}
+
+export async function DELETE(req: NextRequest, context: { params: Promise<{ params: string[] }> }) {
+  const { params } = await context.params;
+  if (!params || params.length < 3) {
+    return new Response("Bad Request", { status: 400 });
+  }
+  const node = params[0]
+  const tunnelType = params[1]
+  const slug = params[2]
+
+  const requestHeaders = await headers();
+  const result = await auth.api.getToken({ headers: requestHeaders }).catch(() => null);
+  if (!result || typeof result !== "object" || !("token" in result)) {
+    return new Response("Unauthorized", { status: 401 });
+  }
+
+  const { token } = result as { token: string };
+  if (!token) {
+    return new Response("Unauthorized", { status: 401 });
+  }
+
+  const data = await fetch(`${process.env.API_URL}/api/session/${node}/${tunnelType}/${slug}`, {
+    method: "DELETE",
+    headers: {
+      authorization: `Bearer ${token}`,
+    },
+    cache: "no-store",
+    body: await req.text(),
+  })
+
+  return data;
+}

app/dashboard/dashboard-client.tsx

@@ -12,6 +12,8 @@ const defaultConfig: TunnelConfigType = {
   localPort: 8000,
 }
 
+const STOP_CONFIRMATION_TEXT = "YEAH SURE BUDDY"
+
 const formatStartedAgo = (timestamp?: ApiTimestamp): string | undefined => {
   if (!timestamp) return undefined
   const startedMs = timestamp.seconds * 1000 + Math.floor(timestamp.nanos / 1_000_000)
@@ -32,6 +34,7 @@ const toActiveConnection = (session: ApiSession): ActiveConnection => {
   return {
     id: session.slug || `${session.node}-${session.started_at?.seconds ?? Date.now()}`,
     name: session.slug || session.node || "Unknown tunnel",
+    slug: session.slug,
     status: session.active ? "connected" : "error",
     protocol: (session.forwarding_type || "http").toLowerCase(),
     serverLabel: session.node || "Unknown node",
@@ -68,6 +71,7 @@ type ActiveConnectionStatus = "connected" | "pending" | "error"
 type ActiveConnection = {
   id: string
   name: string
+  slug?: string
   status: ActiveConnectionStatus
   protocol: string
   serverLabel: string
@@ -89,6 +93,16 @@ export default function DashboardClient({ initialActiveConnections }: DashboardC
   const { data: cachedSession } = authClient.useSession()
   const [session, setSession] = useState<SessionResponse["data"] | null>(cachedSession ?? null)
   const [openActionId, setOpenActionId] = useState<string | null>(null)
+  const [stopModal, setStopModal] = useState<{
+    connectionId: string
+    node?: string
+    slug?: string
+    protocol?: string
+    name: string
+  } | null>(null)
+  const [stopModalInput, setStopModalInput] = useState("")
+  const [stopSaving, setStopSaving] = useState(false)
+  const [stopError, setStopError] = useState<string | null>(null)
   const [slugModal, setSlugModal] = useState<{
     connectionId: string
     currentSlug: string
@@ -108,10 +122,68 @@ export default function DashboardClient({ initialActiveConnections }: DashboardC
     }
   }, [cachedSession, session])
 
-  const stopConnection = (id: string) => {
-    setActiveConnections((prev) => prev.filter((conn) => conn.id !== id))
+  const openStopModal = (connection: ActiveConnection) => {
+    setStopModal({
+      connectionId: connection.id,
+      node: connection.node || connection.serverLabel,
+      slug: connection.slug || connection.name,
+      protocol: connection.protocol,
+      name: connection.name,
+    })
+    setStopModalInput("")
+    setStopError(null)
+    setOpenActionId(null)
+  }
+
+  const closeStopModal = () => {
+    setStopModal(null)
+    setStopModalInput("")
+    setStopSaving(false)
+    setStopError(null)
+  }
+
+  const stopConnection = async () => {
+    if (!stopModal) return
+
+    if (stopModalInput.trim() !== STOP_CONFIRMATION_TEXT) {
+      setStopError("Please type the confirmation phrase exactly.")
+      return
+    }
+
+    const node = stopModal.node
+    const tunnelType = stopModal.protocol?.toLowerCase()
+    const slug = stopModal.slug
+
+    if (!node || !tunnelType || !slug) {
+      setStopError("Missing connection details; cannot stop.")
+      return
+    }
+
+    setStopSaving(true)
+    setStopError(null)
+    setStatusMessage(null)
+
+    try {
+      const endpoint = `/api/session/${encodeURIComponent(node)}/${encodeURIComponent(tunnelType)}/${encodeURIComponent(slug)}`
+      const response = await fetch(endpoint, {
+        method: "DELETE",
+      })
+
+      if (!response.ok) {
+        const message = await response.text()
+        setStopError(message || "Failed to stop connection.")
+        return
+      }
+
+      setActiveConnections((prev) => prev.filter((conn) => conn.id !== stopModal.connectionId))
       setStatusMessage("Connection stopped")
-    setOpenActionId((current) => (current === id ? null : current))
+      closeStopModal()
+    } catch (error) {
+      console.error("Failed to stop connection", error)
+      setStopError("Failed to stop connection.")
+    } finally {
+      setStopSaving(false)
+    }
   }
 
   const openChangeSlugModal = (connection: ActiveConnection) => {
@@ -185,20 +257,21 @@ export default function DashboardClient({ initialActiveConnections }: DashboardC
   }
 
   useEffect(() => {
-    if (slugModal) {
+    if (slugModal || stopModal) {
       const previousOverflow = document.body.style.overflow
       document.body.style.overflow = "hidden"
       return () => {
         document.body.style.overflow = previousOverflow
       }
     }
-  }, [slugModal])
+  }, [slugModal, stopModal])
 
   useEffect(() => {
     const closeOnEscape = (event: KeyboardEvent) => {
       if (event.key === "Escape") {
         setOpenActionId(null)
         setSlugModal(null)
+        setStopModal(null)
       }
     }
 
@@ -206,6 +279,73 @@ export default function DashboardClient({ initialActiveConnections }: DashboardC
     return () => window.removeEventListener("keydown", closeOnEscape)
   }, [])
 
+  const stopModalContent = !stopModal
+    ? null
+    : (
+      <div className="fixed inset-0 z-30 flex items-center justify-center bg-black/60 px-4">
+        <div className="w-full max-w-md rounded-lg border border-gray-800 bg-gray-900 p-6 shadow-xl">
+          <div className="flex items-start justify-between gap-4 mb-6">
+            <div className="flex items-start gap-3">
+              <div className="flex h-10 w-10 shrink-0 items-center justify-center rounded-full bg-red-500/10 ring-1 ring-red-500/20">
+                <svg className="h-5 w-5 text-red-400" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+                  <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M12 9v2m0 4h.01m-6.938 4h13.856c1.54 0 2.502-1.667 1.732-3L13.732 4c-.77-1.333-2.694-1.333-3.464 0L3.34 16c-.77 1.333.192 3 1.732 3z" />
+                </svg>
+              </div>
+              <div>
+                <h3 className="text-lg font-semibold text-white">Stop connection</h3>
+                <p className="mt-1 text-sm text-gray-400 leading-relaxed">
+                  Type <span className="font-mono text-xs text-red-300 bg-red-950/50 px-1.5 py-0.5 rounded">{STOP_CONFIRMATION_TEXT}</span> to stop <span className="font-medium text-gray-300">{stopModal.slug || stopModal.name}</span> on {stopModal.node || "this node"}.
+                </p>
+              </div>
+            </div>
+            <button
+              onClick={closeStopModal}
+              className="flex h-8 w-8 items-center justify-center rounded-lg text-gray-400 transition-colors hover:bg-gray-800 hover:text-gray-200"
+              aria-label="Close modal"
+            >
+              <svg className="h-5 w-5" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M6 18L18 6M6 6l12 12" />
+              </svg>
+            </button>
+          </div>
+
+          <div className="mt-4 space-y-4">
+            <label className="block text-sm text-gray-300">
+              Confirmation phrase
+              <input
+                type="text"
+                value={stopModalInput}
+                onChange={(e) => {
+                  setStopModalInput(e.target.value)
+                  if (stopError) setStopError(null)
+                }}
+                placeholder={STOP_CONFIRMATION_TEXT}
+                className="mt-2 w-full rounded-md border border-gray-700 bg-gray-800 px-3 py-2 text-white focus:border-emerald-500 focus:outline-none"
+              />
+            </label>
+            {stopError && <p className="text-sm text-red-400">{stopError}</p>}
+            <div className="flex items-center justify-end gap-3">
+              <button
+                type="button"
+                onClick={closeStopModal}
+                className="rounded-md px-4 py-2 text-sm font-medium bg-gray-700 text-gray-200 border border-gray-700 hover:bg-gray-600 hover:border-gray-500"
+                disabled={stopSaving}
+              >
+                Cancel
+              </button>
+              <button
+                type="button"
+                onClick={stopConnection}
+                disabled={stopModalInput.trim() !== STOP_CONFIRMATION_TEXT || stopSaving}
+                className={`rounded-md px-4 py-2 text-sm font-medium text-white${stopModalInput.trim() === STOP_CONFIRMATION_TEXT && !stopSaving ? 'bg-red-600 hover:bg-red-700 border border-gray-500' : 'bg-red-900 hover:text-white-300 cursor-not-allowed border border-gray-700'}`}>
+                {stopSaving ? "Stopping..." : "Confirm stop"}
+              </button>
+            </div>
+          </div>
+        </div>
+      </div>
+    )
+
   const slugModalContent = !slugModal
     ? null
     : (
@@ -318,8 +458,7 @@ export default function DashboardClient({ initialActiveConnections }: DashboardC
                         <div className="flex items-center gap-2">
                           <span className="text-white font-medium">{connection.name}</span>
                           <span
-                          className={`rounded-full px-2 py-0.5 text-xs font-semibold ${
-                            connection.status === "connected"
+                            className={`rounded-full px-2 py-0.5 text-xs font-semibold ${connection.status === "connected"
                               ? "bg-emerald-900/60 text-emerald-300 border border-emerald-700"
                               : connection.status === "pending"
                                 ? "bg-yellow-900/60 text-yellow-300 border border-yellow-700"
@@ -366,7 +505,7 @@ export default function DashboardClient({ initialActiveConnections }: DashboardC
                           <div className="absolute right-0 top-12 z-10 w-44 rounded-md border border-gray-700 bg-gray-800 shadow-lg">
                             <button
                               className="w-full px-3 py-2 text-left text-sm text-gray-200 hover:bg-gray-700"
-                            onClick={() => stopConnection(connection.id)}
+                              onClick={() => openStopModal(connection)}
                             >
                               Stop connection
                             </button>
@@ -410,6 +549,7 @@ export default function DashboardClient({ initialActiveConnections }: DashboardC
           </div>
         </div>
       </main>
+      {stopModalContent}
       {slugModalContent}
     </>
   )