Improve validation of xml mindmaps during save.

wise-webapp/src/main/java/com/wisemapping/exceptions/InvalidMindmapException.java

@@ -0,0 +1,56 @@
+/*
+ *    Copyright [2015] [wisemapping]
+ *
+ *   Licensed under WiseMapping Public License, Version 1.0 (the "License").
+ *   It is basically the Apache License, Version 2.0 (the "License") plus the
+ *   "powered by wisemapping" text requirement on every single page;
+ *   you may not use this file except in compliance with the License.
+ *   You may obtain a copy of the license at
+ *
+ *       http://www.wisemapping.org/license
+ *
+ *   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.
+ */
+
+package com.wisemapping.exceptions;
+
+
+import org.springframework.lang.Nullable;
+
+import javax.validation.constraints.NotNull;
+
+public class InvalidMindmapException
+        extends ClientException {
+    private static final String EMPTY_MINDMAP = "MINDMAP_EMPTY_ERROR";
+    private static final String INVALID_MINDMAP_FORMAT = "INVALID_MINDMAP_FORMAT";
+    private static final String TOO_BIG_MINDMAP = "TOO_BIG_MINDMAP";
+
+    private final String bundleKey;
+
+    private InvalidMindmapException(@NotNull String bundleKey, @Nullable String xmlDoc) {
+        super("Invalid mindmap format:" + xmlDoc, Severity.SEVERE);
+        this.bundleKey = bundleKey;
+    }
+
+    static public InvalidMindmapException emptyMindmap() {
+        return new InvalidMindmapException(EMPTY_MINDMAP,"");
+    }
+
+    static public InvalidMindmapException invalidFormat(@Nullable String xmlDoc) {
+        return new InvalidMindmapException(INVALID_MINDMAP_FORMAT,xmlDoc);
+    }
+
+    static public InvalidMindmapException tooBigMindnap() {
+        return new InvalidMindmapException(TOO_BIG_MINDMAP,"");
+    }
+
+    @NotNull
+    @Override
+    protected String getMsgBundleKey() {
+        return bundleKey;
+    }
+}

wise-webapp/src/main/java/com/wisemapping/model/Mindmap.java

@@ -19,6 +19,7 @@
 package com.wisemapping.model;
 
 import com.wisemapping.exceptions.AccessDeniedSecurityException;
+import com.wisemapping.exceptions.InvalidMindmapException;
 import com.wisemapping.exceptions.WiseMappingException;
 import com.wisemapping.util.ZipUtils;
 import org.apache.commons.lang.StringEscapeUtils;
@@ -94,7 +95,9 @@ public class Mindmap implements Serializable {
         }
     }
 
-    public void setXmlStr(@NotNull String xml) {
+    public void setXmlStr(@NotNull String xml) throws InvalidMindmapException {
+        // Is a valid mindmap ... ?
+        MindmapUtils.verifyMindmap(xml);
         this.setUnzipXml(xml.getBytes(StandardCharsets.UTF_8));
     }
 

wise-webapp/src/main/java/com/wisemapping/model/MindmapUtils.java

@@ -0,0 +1,27 @@
+package com.wisemapping.model;
+
+
+import com.wisemapping.exceptions.InvalidMindmapException;
+import org.jetbrains.annotations.Nullable;
+
+abstract public class MindmapUtils {
+
+    private static final int MAX_SUPPORTED_NODES = 500;
+
+    public static void verifyMindmap(@Nullable String xmlDoc) throws InvalidMindmapException {
+        if (xmlDoc == null || xmlDoc.trim().isEmpty()) {
+            // Perform basic structure validation. Must have a map node and
+            throw InvalidMindmapException.emptyMindmap();
+        }
+
+        // Perform basic structure validation without parsing the XML.
+        if (!xmlDoc.trim().endsWith("</map>") || !xmlDoc.trim().startsWith("<map")) {
+            throw InvalidMindmapException.invalidFormat(xmlDoc);
+        }
+
+        // Validate that the number of nodes is not bigger 500 nodes.
+        if (xmlDoc.split("<topic").length > MAX_SUPPORTED_NODES) {
+            throw InvalidMindmapException.tooBigMindnap();
+        }
+    }
+}

wise-webapp/src/main/java/com/wisemapping/rest/MindmapController.java

@@ -133,10 +133,7 @@ public class MindmapController extends BaseController {
         collaborationProperties.setMindmapProperties(properties);
 
         // Validate content ...
-        String xml = restMindmap.getXml();
-        if (xml == null) {
-            throw new IllegalArgumentException("Map xml can not be null");
-        }
+        final String xml = restMindmap.getXml();
         mindmap.setXmlStr(xml);
 
         // Update map ...
@@ -164,14 +161,10 @@ public class MindmapController extends BaseController {
     @RequestMapping(method = RequestMethod.PUT, value = {"/maps/{id}/document/xml"}, consumes = {"text/plain"})
     @ResponseBody
     public void updateDocument(@PathVariable int id, @RequestBody String xmlDoc) throws WiseMappingException, IOException {
-
         final Mindmap mindmap = findMindmapById(id);
         final User user = Utils.getUser();
-        if (xmlDoc != null && !xmlDoc.isEmpty()) {
-            mindmap.setXmlStr(xmlDoc);
-        }
-
         mindmap.setXmlStr(xmlDoc);
+
         saveMindmapDocument(false, mindmap, user);
     }
 
@@ -273,7 +266,6 @@ public class MindmapController extends BaseController {
 
         // Is there a map with the same name ?
         if (mindmapService.getMindmapByTitle(title, user) != null) {
-
             throw buildValidationException("title", "You already have a mindmap with this title");
         }
 

wise-webapp/src/main/java/com/wisemapping/rest/model/RestMindmap.java

@@ -1,20 +1,20 @@
 /*
-*    Copyright [2015] [wisemapping]
-*
-*   Licensed under WiseMapping Public License, Version 1.0 (the "License").
-*   It is basically the Apache License, Version 2.0 (the "License") plus the
-*   "powered by wisemapping" text requirement on every single page;
-*   you may not use this file except in compliance with the License.
-*   You may obtain a copy of the license at
-*
-*       http://www.wisemapping.org/license
-*
-*   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.
-*/
+ *    Copyright [2015] [wisemapping]
+ *
+ *   Licensed under WiseMapping Public License, Version 1.0 (the "License").
+ *   It is basically the Apache License, Version 2.0 (the "License") plus the
+ *   "powered by wisemapping" text requirement on every single page;
+ *   you may not use this file except in compliance with the License.
+ *   You may obtain a copy of the license at
+ *
+ *       http://www.wisemapping.org/license
+ *
+ *   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.
+ */
 
 package com.wisemapping.rest.model;
 
@@ -22,9 +22,9 @@ package com.wisemapping.rest.model;
 import com.fasterxml.jackson.annotation.JsonAutoDetect;
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+import com.wisemapping.exceptions.InvalidMindmapException;
 import com.wisemapping.exceptions.WiseMappingException;
 import com.wisemapping.model.*;
-import com.wisemapping.security.Utils;
 import com.wisemapping.util.TimeUtils;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
@@ -34,10 +34,6 @@ import javax.xml.bind.annotation.XmlAccessorType;
 import javax.xml.bind.annotation.XmlRootElement;
 import java.io.IOException;
 import java.util.Calendar;
-import java.util.LinkedHashSet;
-import java.util.List;
-import java.util.Set;
-import java.util.stream.Collectors;
 
 @XmlRootElement(name = "map")
 @XmlAccessorType(XmlAccessType.PROPERTY)
@@ -71,7 +67,7 @@ public class RestMindmap {
         }
     }
 
-    public void setCreationTime(final String creationTime){
+    public void setCreationTime(final String creationTime) {
         // Ignore
     }
 
@@ -154,10 +150,10 @@ public class RestMindmap {
         return mindmap.getXmlStr();
     }
 
-    public void setXml(@Nullable String xml) throws IOException {
-
-        if (xml != null)
+    public void setXml(@Nullable String xml) throws IOException, InvalidMindmapException {
+        if (xml != null) {
             mindmap.setXmlStr(xml);
+        }
     }
 
     public String getOwner() {

wise-webapp/src/main/java/com/wisemapping/service/UserServiceImpl.java

@@ -19,6 +19,7 @@
 package com.wisemapping.service;
 
 import com.wisemapping.dao.UserManager;
+import com.wisemapping.exceptions.InvalidMindmapException;
 import com.wisemapping.exceptions.WiseMappingException;
 import com.wisemapping.mail.NotificationService;
 import com.wisemapping.model.*;
@@ -146,7 +147,7 @@ public class UserServiceImpl
         return user;
     }
 
-    public Mindmap buildTutorialMindmap(@NotNull String firstName) {
+    public Mindmap buildTutorialMindmap(@NotNull String firstName) throws InvalidMindmapException {
         //To change body of created methods use File | Settings | File Templates.
         final Locale locale = LocaleContextHolder.getLocale();
         Mindmap result = new Mindmap();

wise-webapp/src/main/resources/messages_en.properties

@@ -53,3 +53,6 @@ NO_ENOUGH_PERMISSIONS=This mind map can opened.
 NO_ENOUGH_PERMISSIONS_DETAILS=You do not have enough right access to see this map. This map has been changed to private or deleted.
 CAPTCHA_TIMEOUT_OUT_DUPLICATE=Please, refresh the page and try again.
 CAPTCHA_INVALID_INPUT_RESPONSE="Invalid input response, refresh the page and try again.
+MINDMAP_EMPTY_ERROR=Midnmap can not be empty.
+INVALID_MINDMAP_FORMAT=Mindmap format is not valid format.   
+TOO_BIG_MINDMAP=You have reached the limit of 500 topics in a mindmap. 

wise-webapp/src/main/webapp/jsp/mindmapEditor.jsp

@@ -33,14 +33,11 @@
     </script>
     <script type="text/javascript">
         var mapId = '${mindmap.id}';
-        var memoryPersistence = ${memoryPersistence};
-        var readOnly = ${readOnlyMode};
         var lockTimestamp = '${lockTimestamp}';
         var lockSession = '${lockSession}';
         var mindmapLocked = ${mindmapLocked};
         var mindmapLockedMsg = '<spring:message code="MINDMAP_LOCKED" arguments="${lockInfo.user.fullName},${lockInfo.user.email}"/>';
         var userOptions = ${mindmap.properties};
-        var isAuth = ${principal != null};
         var accountName = '${principal.fullName}';
         var accountEmail = '${principal.email}';
         var mapTitle = '${mindmap.title}';