From 7588794f5f38f90a4914770d1e14467d937fb8f8 Mon Sep 17 00:00:00 2001
From: binsky <timo@binsky.org>
Date: Mon, 14 Feb 2022 19:57:25 +0100
Subject: [PATCH] implement method to test if a password is part of the german
 wordlist

---
 src/main/java/PasswordValidator.java     | 18 ++++++++++++++++++
 src/test/java/PasswordValidatorTest.java |  6 ++++++
 2 files changed, 24 insertions(+)

diff --git a/src/main/java/PasswordValidator.java b/src/main/java/PasswordValidator.java
index ed10c06..5c63f9c 100644
--- a/src/main/java/PasswordValidator.java
+++ b/src/main/java/PasswordValidator.java
@@ -132,4 +132,22 @@ public class PasswordValidator {
 
         return false;
     }
+
+    public static boolean isInWordlist(String password) {
+        try {
+            ResourceApi resourceApi = new ResourceApi();
+            String germanWordlist = resourceApi.getFileFromResourceAsString("german_wordlist.txt");
+            BufferedReader bufReader = new BufferedReader(new StringReader(germanWordlist));
+            String line = null;
+            while ((line = bufReader.readLine()) != null) {
+                if (line.contains(password)) {
+                    return true;
+                }
+            }
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+
+        return false;
+    }
 }
diff --git a/src/test/java/PasswordValidatorTest.java b/src/test/java/PasswordValidatorTest.java
index 4755cc1..44657e1 100644
--- a/src/test/java/PasswordValidatorTest.java
+++ b/src/test/java/PasswordValidatorTest.java
@@ -89,4 +89,10 @@ class PasswordValidatorTest {
         assertFalse(PasswordValidator.isPwned("=phan0johB4aisae6Mie0jeip9Saejahc0iuvuth7ahv9uoni6o*_.+"));
         assertFalse(PasswordValidator.isPwned(""));
     }
+
+    @Test
+    void isInWordlist() {
+        assertTrue(PasswordValidator.isInWordlist("Sonne"));
+        assertFalse(PasswordValidator.isInWordlist("=phan0johB4aisae6Mie0jeip9Saejahc0iuvuth7ahv9uoni6o*_.+"));
+    }
 }