1 files changed, 42 insertions, 0 deletions
diff --git a/pdf-as-common/src/main/java/at/gv/egiz/pdfas/common/utils/CheckSignatureBlockParameters.java b/pdf-as-common/src/main/java/at/gv/egiz/pdfas/common/utils/CheckSignatureBlockParameters.java
new file mode 100644
index 00000000..756a240c
--- /dev/null
+++ b/pdf-as-common/src/main/java/at/gv/egiz/pdfas/common/utils/CheckSignatureBlockParameters.java
@@ -0,0 +1,42 @@
+package at.gv.egiz.pdfas.common.utils;
+
+import at.gv.egiz.pdfas.common.settings.DefaultSignatureProfileSettings;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.Map;
+
+public class CheckSignatureBlockParameters {
+
+  private static final Logger logger = LoggerFactory
+      .getLogger(CheckSignatureBlockParameters.class);
+  public static boolean checkSignatureBlockParameterMapIsValid(Map<String, String> map, String keyRegex,
+                                                               String valueRegex) {
+
+    logger.trace("regex1:"+keyRegex+", regex1:"+valueRegex);
+    if(keyRegex == null || keyRegex.length() == 0) {
+      keyRegex = DefaultSignatureProfileSettings.SIG_BLOCK_PARAMETER_DEFAULT_KEY_REGEX;
+    }
+    if(valueRegex == null || valueRegex.length() == 0) {
+      valueRegex = DefaultSignatureProfileSettings.SIG_BLOCK_PARAMETER_DEFAULT_VALUE_REGEX;
+    }
+    logger.trace("regex2:"+keyRegex+", regex2:"+valueRegex);
+  for(String key : map.keySet()){
+    if(isValid(key, keyRegex) == false) {
+      logger.error("Invalid key:"+key+", regex:"+keyRegex);
+      return false;
+    }
+    if(isValid(map.get(key), valueRegex) == false) {
+      logger.error("Invalid value:"+map.get(key)+", regex:"+valueRegex);
+      return false;
+    }
+  }
+
+    return true;
+  }
+
+  public static boolean isValid(String s, String regex) {
+    return s.matches(regex);
+  }
+
+}