From 5b31cb2bbc5726d9c6268475cba7e981423f1e4b Mon Sep 17 00:00:00 2001
From: kaotisk <kaotisk@arching-kaos.org>
Date: Sun, 20 Jul 2025 19:01:16 +0300
Subject: [api] Added route /ns_get to resolve keys

---
 api/config.js                  |  3 +-
 api/index.js                   |  2 ++
 api/routes/getAKNSKey/index.js | 78 ++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 82 insertions(+), 1 deletion(-)
 create mode 100644 api/routes/getAKNSKey/index.js

(limited to 'api')

diff --git a/api/config.js b/api/config.js
index 3fe7c0d..82f90b8 100644
--- a/api/config.js
+++ b/api/config.js
@@ -25,6 +25,7 @@ const config = {
     chunksDir: env.AK_CHUNKSDIR,
     leafsDir: env.AK_LEAFSDIR,
     mapsDir: env.AK_MAPSDIR,
-    printDebug: env.AK_DEBUG
+    printDebug: env.AK_DEBUG,
+    akNSDir: `${env.AK_WORKDIR}/akns`
 }
 module.exports = config; 
diff --git a/api/index.js b/api/index.js
index f2ca713..e9c2eb0 100755
--- a/api/index.js
+++ b/api/index.js
@@ -1,6 +1,7 @@
 const http = require("node:http");
 
 const welcomeMessage = require("./routes/default/index.js");
+const getAKNSKey = require("./routes/getAKNSKey/index.js");
 const getNodeInfo = require('./routes/getNodeInfo/index.js');
 const getPeers = require('./routes/getPeers/index.js');
 const getIPFSHash = require('./routes/getIPFSHash/index.js');
@@ -68,6 +69,7 @@ function getRoutes(req, res)
             case 'map': getMap(req, res); break;
             case 'remote_node_info': getRemoteNodeInfo(req, res); break;
             case 'remote_peers': getRemotePeers(req, res); break;
+            case 'ns_get': getAKNSKey(req, res); break;
             default: notImplemented(req, res);
         }
     }
diff --git a/api/routes/getAKNSKey/index.js b/api/routes/getAKNSKey/index.js
new file mode 100644
index 0000000..c5adff0
--- /dev/null
+++ b/api/routes/getAKNSKey/index.js
@@ -0,0 +1,78 @@
+const { spawn } = require('child_process');
+const fs = require('fs');
+const config = require("../../config.js");
+
+/*
+ * Gets the local latest zblock AKA zlatest
+ *
+ * Returns:
+ *     - JSON object
+ *     { zlatest: "Qm..." }
+ *
+ */
+function replyIfOkay(key, res)
+{
+    const program = "ak-ns";
+    const command = spawn(program, ["-rk", key]);
+    var buffer = "";
+    command.stdout.on("data", data => {
+        buffer += data;
+    });
+    command.stderr.on("data", data => {
+        console.log(`stderr: ${data}`);
+    });
+    command.on('error', (error) => {
+        console.log(`error: ${error.message}`);
+    });
+    command.on("close", code => {
+        console.log(`child process ${program} exited with code ${code}`);
+        if (code === 0){
+            buffer = buffer.trim()
+            res.writeHead(200, {'Content-Type': 'application/json'});
+            res.end(JSON.stringify({
+                key:`${key}`,
+                resolved:`${buffer}`
+            }));
+        } else {
+            res.writeHead(404, {'Content-Type': 'application/json'});
+            res.end({"error":"unreachable"});
+        }
+    });
+}
+
+function getAKNSKey(req, res)
+{
+    var args = req.url.split("/");
+    var key = args[3];
+    regex= /[a-fA-F0-9]{40}/
+    if (regex.test(key))
+    {
+        key = key.toUpperCase();
+        var path = config.akNSDir+"/"+key;
+        try
+        {
+            if(fs.existsSync(path))
+            {
+                replyIfOkay(key, res)
+            }
+            else
+            {
+                res.writeHead(404, {'Content-Type': 'application/json'});
+                res.end(JSON.stringify({"error":"not found"}));
+            }
+        }
+        catch (error)
+        {
+            res.writeHead(404, {'Content-Type': 'application/json'});
+            res.end(JSON.stringify({"error":error.message}));
+        }
+    }
+    else
+    {
+        res.writeHead(404, {'Content-Type': 'application/json'});
+        res.end(JSON.stringify({error:"No hash"}));
+    }
+}
+
+module.exports = getAKNSKey;
+
-- 
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