summaryrefslogtreecommitdiffstats
path: root/ecomp-sdk/epsdk-analytics/src/main/java/org/openecomp/portalsdk/analytics/util/XSSFilter.java
diff options
context:
space:
mode:
Diffstat (limited to 'ecomp-sdk/epsdk-analytics/src/main/java/org/openecomp/portalsdk/analytics/util/XSSFilter.java')
-rw-r--r--ecomp-sdk/epsdk-analytics/src/main/java/org/openecomp/portalsdk/analytics/util/XSSFilter.java91
1 files changed, 91 insertions, 0 deletions
diff --git a/ecomp-sdk/epsdk-analytics/src/main/java/org/openecomp/portalsdk/analytics/util/XSSFilter.java b/ecomp-sdk/epsdk-analytics/src/main/java/org/openecomp/portalsdk/analytics/util/XSSFilter.java
new file mode 100644
index 00000000..1d8af016
--- /dev/null
+++ b/ecomp-sdk/epsdk-analytics/src/main/java/org/openecomp/portalsdk/analytics/util/XSSFilter.java
@@ -0,0 +1,91 @@
+/*-
+ * ================================================================================
+ * eCOMP Portal SDK
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property
+ * ================================================================================
+ * 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.
+ * ================================================================================
+ */
+package org.openecomp.portalsdk.analytics.util;
+
+ /**
+ *
+ * @author Sundar
+ * This class is used to filter javascript tags to avoid XSS attacks.
+ */
+public class XSSFilter {
+
+ // private static String[] filterChars = { "<", ">", "<", ">", "\"", "\\", "0x" };
+// private static String[] replacementChars = { " ", " ", " ", " ", "'", "/", "0 x" };
+
+/* public static synchronized String filterRequest(String param) {
+ String value = param;
+
+ if (param != null) {
+
+ for (int i = 0; i < filterChars.length; i++) {
+ value = filterCharacters(filterChars[i], replacementChars[i],
+ value);
+ }
+
+ }
+
+ return value;
+
+ }
+*/
+
+ public static synchronized String filterRequestOnlyScript(String param) {
+ String value = "";
+ value = nvl(param);
+ value = value.replaceAll("<[\\s]*[sS][\\s]*[cC][\\s]*[rR][\\s]*[iI][\\s]*[pP][\\s]*[tT][\\s]*>", "");
+ value = value.replaceAll("</[\\s]*[sS][\\s]*[cC][\\s]*[rR][\\s]*[iI][\\s]*[pP][\\s]*[tT][\\s]*>", "");
+ value = value.replaceAll("[\\s]*[jJ][\\s]*[aA][\\s]*[vV][\\s]*[aA][\\s]*[sS][\\s]*[cC][\\s]*[rR][\\s]*[iI][\\s]*[pP][\\s]*[tT][\\s]*", "");
+ return value;
+ }
+ public static synchronized String filterRequest (String param) {
+ String value = "";
+ value = nvl(param);
+ value = value.replaceAll("<[\\s]*[sS][\\s]*[cC][\\s]*[rR][\\s]*[iI][\\s]*[pP][\\s]*[tT][\\s]*>", "");
+ value = value.replaceAll("</[\\s]*[sS][\\s]*[cC][\\s]*[rR][\\s]*[iI][\\s]*[pP][\\s]*[tT][\\s]*>", "");
+ value = value.replaceAll("[\\s]*[jJ][\\s]*[aA][\\s]*[vV][\\s]*[aA][\\s]*[sS][\\s]*[cC][\\s]*[rR][\\s]*[iI][\\s]*[pP][\\s]*[tT][\\s]*", "");
+ value = value.replaceAll("[\\s]*<", "");
+ value = value.replaceAll("[\\s]*>", "");
+
+ return value;
+ }
+
+// private static synchronized String filterCharacters(String originalChar, String newChar,
+// String param) {
+// StringBuffer sb = new StringBuffer(param);
+//
+// for (int position = param.toLowerCase().indexOf(originalChar); position >= 0;) {
+// sb.replace(position, position + originalChar.length(), newChar);
+// param = sb.toString();
+// position = param.toLowerCase().indexOf(originalChar);
+// }
+//
+// return sb.toString();
+// }
+
+ public static void main (String args[]) {
+ String value = XSSFilter.filterRequest("<s\nC\nr\nI\np\nT\n>\na\nl\ne\nr\nt\n('sundar');</SCRIPT>javascript:alert('Sundar');");
+ int i = Integer.parseInt("8989");
+ System.out.println(value);
+ }
+
+ private static String nvl(String s) {
+ return (s == null) ? "" : s;
+ }
+} \ No newline at end of file