Fix short link. Generate One Time Link (#1301)

Co-authored-by: Vadim Babadzhanyan <vadim.babadzhanyan@my.games>

src/lib/Server.js

@@ -132,14 +132,15 @@ module.exports = class Server {
           authenticated,
         };
       }))
-      .get('/:clientHash', defineEventHandler(async (event) => {
-        const clientHash = getRouterParam(event, 'clientHash');
+      .get('/cnf/:clientOneTimeLink', defineEventHandler(async (event) => {
+        const clientOneTimeLink = getRouterParam(event, 'clientOneTimeLink');
         const clients = await WireGuard.getClients();
-        const client = clients.find((client) => client.hash === clientHash);
+        const client = clients.find((client) => client.oneTimeLink === clientOneTimeLink);
         if (!client) return;
         const clientId = client.id;
         const config = await WireGuard.getClientConfiguration({ clientId });
-        setHeader(event, 'Content-Disposition', `attachment; filename="${clientHash}.conf"`);
+        await WireGuard.eraseOneTimeLink({ clientId });
+        setHeader(event, 'Content-Disposition', `attachment; filename="${clientOneTimeLink}.conf"`);
         setHeader(event, 'Content-Type', 'text/plain');
         return config;
       }))
@@ -252,6 +253,14 @@ module.exports = class Server {
         await WireGuard.enableClient({ clientId });
         return { success: true };
       }))
+      .post('/api/wireguard/client/:clientId/generateOneTimeLink', defineEventHandler(async (event) => {
+        const clientId = getRouterParam(event, 'clientId');
+        if (clientId === '__proto__' || clientId === 'constructor' || clientId === 'prototype') {
+          throw createError({ status: 403 });
+        }
+        await WireGuard.generateOneTimeLink({ clientId });
+        return { success: true };
+      }))
       .post('/api/wireguard/client/:clientId/disable', defineEventHandler(async (event) => {
         const clientId = getRouterParam(event, 'clientId');
         if (clientId === '__proto__' || clientId === 'constructor' || clientId === 'prototype') {

src/lib/WireGuard.js

@@ -152,7 +152,7 @@ ${client.preSharedKey ? `PresharedKey = ${client.preSharedKey}\n` : ''
         ? new Date(client.expiredAt)
         : null,
       allowedIPs: client.allowedIPs,
-      hash: Math.abs(CRC32.str(clientId)).toString(16),
+      oneTimeLink: client.oneTimeLink ? client.oneTimeLink : null,
       downloadableConfig: 'privateKey' in client,
       persistentKeepalive: null,
       latestHandshakeAt: null,
@@ -306,6 +306,21 @@ Endpoint = ${WG_HOST}:${WG_CONFIG_PORT}`;
     await this.saveConfig();
   }
 
+  async generateOneTimeLink({ clientId }) {
+    const client = await this.getClient({ clientId });
+    const key = `${clientId}-${Math.floor(Math.random() * 1000)}`;
+    client.oneTimeLink = Math.abs(CRC32.str(key)).toString(16);
+    client.updatedAt = new Date();
+    await this.saveConfig();
+  }
+
+  async eraseOneTimeLink({ clientId }) {
+    const client = await this.getClient({ clientId });
+    client.oneTimeLink = null;
+    client.updatedAt = new Date();
+    await this.saveConfig();
+  }
+
   async disableClient({ clientId }) {
     const client = await this.getClient({ clientId });