pull out editor-client and editor-api

packages/node_modules/@node-red/editor-api/lib/auth/permissions.js

@@ -0,0 +1,65 @@
+/**
+ * Copyright JS Foundation and other contributors, http://js.foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+
+var util = require('util');
+
+var readRE = /^((.+)\.)?read$/
+var writeRE = /^((.+)\.)?write$/
+
+function hasPermission(userScope,permission) {
+    if (permission === "") {
+        return true;
+    }
+    var i;
+
+    if (util.isArray(permission)) {
+        // Multiple permissions requested - check each one
+        for (i=0;i<permission.length;i++) {
+            if (!hasPermission(userScope,permission[i])) {
+                return false;
+            }
+        }
+        // All permissions check out
+        return true;
+    }
+
+    if (util.isArray(userScope)) {
+        if (userScope.length === 0) {
+            return false;
+        }
+        for (i=0;i<userScope.length;i++) {
+            if (hasPermission(userScope[i],permission)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    if (userScope === "*" || userScope === permission) {
+        return true;
+    }
+
+    if (userScope === "read" || userScope === "*.read") {
+        return readRE.test(permission);
+    } else if (userScope === "write" || userScope === "*.write") {
+        return writeRE.test(permission);
+    }
+    return false;
+}
+
+module.exports = {
+    hasPermission: hasPermission,
+}