Initial commit

index.js

@@ -0,0 +1,73 @@
+/**
+ * node-wifi-scanner
+ * Created by kc on 04.04.16.
+ */
+
+const fs      = require('fs');
+const exec    = require('child_process').exec;
+// The tools
+const airport = require('./lib/airport');
+const iwlist  = require('./lib/iwlist');
+const nmcli   = require('./lib/nmcli');
+const netsh   = require('./lib/netsh');
+
+var scanner;
+
+// Initializing the tools
+function initTools(callback) {
+  fs.stat(airport.tool, function (err, stats) {
+    if (stats) {
+      return callback(null, airport);
+    }
+
+    fs.stat(iwlist.tool, function (err, stats) {
+      if (stats) {
+        return callback(null, iwlist);
+      }
+
+      fs.stat(nmcli.tool, function (err, stats) {
+        if (stats) {
+          return callback(null, nmcli);
+        }
+
+        fs.stat(netsh.tool, function (err, stats) {
+          if (stats) {
+            return callback(null, netsh);
+          }
+
+          callback(new Error('No scanner found'));
+        });
+      });
+    });
+  });
+}
+
+function scanNetworks(callback) {
+  exec(scanner.cmdLine, function (err, stdout) {
+    if (err) {
+      callback(err, null);
+      return;
+    }
+    scanner.parseOutput(stdout, callback);
+  });
+}
+
+module.exports = {
+  /**
+   * Scan for wifis
+   * @param callback
+   */
+  scan: function (callback) {
+    if (!scanner) {
+      initTools((err, s) => {
+        if (err) {
+          return callback(err);
+        }
+        scanner = s;
+        scanNetworks(callback);
+      });
+      return;
+    }
+    scanner(callback);
+  }
+};