fix_bug_switch: add validation to tbel

common/script/script-api/src/main/java/org/thingsboard/script/api/tbel/DefaultTbelInvokeService.java

@@ -25,6 +25,7 @@ import com.google.common.util.concurrent.MoreExecutors;
 import lombok.Getter;
 import lombok.SneakyThrows;
 import lombok.extern.slf4j.Slf4j;
+import org.mvel2.CompileException;
 import org.mvel2.ExecutionContext;
 import org.mvel2.MVEL;
 import org.mvel2.ParserContext;
@@ -65,6 +66,8 @@ public class DefaultTbelInvokeService extends AbstractScriptInvokeService implem
 
     protected final Map<UUID, String> scriptIdToHash = new ConcurrentHashMap<>();
     protected final Map<String, TbelScript> scriptMap = new ConcurrentHashMap<>();
+    private final String tbelSwitch = "switch";
+    private final String tbelSwitchErrorMsg =  "TBEL does not support the 'switch'.";
     protected Cache<String, Serializable> compiledScriptsCache;
 
     private SandboxedParserConfiguration parserConfig;
@@ -181,6 +184,9 @@ public class DefaultTbelInvokeService extends AbstractScriptInvokeService implem
                 }
                 return scriptId;
             } catch (Exception e) {
+                if (((CompileException) e).getExpr() != null && new String(((CompileException) e).getExpr()).contains(tbelSwitch)) {
+                    e = new CompileException(tbelSwitchErrorMsg, ((CompileException) e).getExpr(), ((CompileException) e).getCursor(), e.getCause());
+                }
                 throw new TbScriptException(scriptId, TbScriptException.ErrorCode.COMPILATION, scriptBody, e);
             }
         });

ui-ngx/src/app/shared/models/ace/tbel/worker-tbel.js

@@ -5229,6 +5229,10 @@ var JSHINT = (function() {
     var a = [], p;
 
     while (!state.tokens.next.reach && state.tokens.next.id !== "(end)") {
+      if (state.tokens.next.value === "switch") {
+        warning("E067", state.tokens.next, "switch");
+        break;
+      }
       if (state.tokens.next.id === ";") {
         p = peek();
 
@@ -9215,7 +9219,7 @@ var JSHINT = (function() {
         statements(0);
       }
 
-      if (state.tokens.next.id !== "(end)") {
+      if (state.tokens.next.id !== "(end)"&& state.tokens.next.value !== "switch") {
         quit("E041", state.tokens.curr);
       }
 
@@ -11266,7 +11270,8 @@ var errors = {
   E064: "Super call may only be used within class method bodies.",
   E065: "Functions defined outside of strict mode with non-simple parameter lists may not " +
     "enable strict mode.",
-  E066: "Asynchronous iteration is only available with for-of loops."
+  E066: "Asynchronous iteration is only available with for-of loops.",
+  E067: "Expected without the 'switch' statement. TBEL does not support the 'switch' statement."
 };
 
 var warnings = {
@@ -11364,7 +11369,6 @@ var warnings = {
   W086: "Expected a 'break' statement before '{a}'.",
   W087: "Forgotten 'debugger' statement?",
   W088: "Creating global 'for' variable. Should be 'for (var {a} ...'.",
-  // W288: "The syntax of function '{a}' is specific to TBEL, and is not supported by JS executor.",
   W089: "The body of a for in should be wrapped in an if statement to filter " +
     "unwanted properties from the prototype.",
   W090: "'{a}' is not a statement label.",