From f8d050310b2eed163f2365928d63611edbe3e4b1 Mon Sep 17 00:00:00 2001
From: Stefan Suhren <suhren.stefan@fh-swf.de>
Date: Mon, 16 Nov 2015 10:05:09 +0100
Subject: Put logic into Account class

---
 .../fhswf/in/inf/fit/aufgabe5/model/Account.java   | 104 ++++++++++++++-------
 .../fhswf/in/inf/fit/aufgabe5/model/Account_.java  |   2 +-
 2 files changed, 73 insertions(+), 33 deletions(-)

diff --git a/src/de/fhswf/in/inf/fit/aufgabe5/model/Account.java b/src/de/fhswf/in/inf/fit/aufgabe5/model/Account.java
index 539353c..17c4936 100644
--- a/src/de/fhswf/in/inf/fit/aufgabe5/model/Account.java
+++ b/src/de/fhswf/in/inf/fit/aufgabe5/model/Account.java
@@ -1,54 +1,94 @@
 package de.fhswf.in.inf.fit.aufgabe5.model;
 
 import java.io.Serializable;
-import javax.persistence.*;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+import java.util.Base64;
 
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.Id;
+import javax.persistence.NamedQuery;
+import javax.persistence.Table;
 
 /**
  * The persistent class for the account database table.
  * 
  */
 @Entity
-@Table(name="account")
-@NamedQuery(name="Account.findAll", query="SELECT a FROM Account a")
-public class Account implements Serializable {
-	private static final long serialVersionUID = 1L;
+@Table(name = "account")
+@NamedQuery(name = "Account.findAll", query = "SELECT a FROM Account a")
+public class Account implements Serializable
+{
+   private static final long serialVersionUID = 1L;
 
-	@Id
-	@Column(name="Username")
-	private String username;
+   @Id
+   @Column(name = "Username")
+   private String username;
 
-	@Column(name="Password")
-	private String password;
+   @Column(name = "Password")
+   private String password;
 
-	@Column(name="Salt")
-	private String salt;
+   @Column(name = "Salt")
+   private String salt;
 
-	public Account() {
-	}
+   public Account()
+   {
+   }
 
-	public String getUsername() {
-		return this.username;
-	}
+   public String getUsername()
+   {
+      return this.username;
+   }
 
-	public void setUsername(String username) {
-		this.username = username;
-	}
+   public void setUsername(String username)
+   {
+      this.username = username;
+   }
 
-	public String getPassword() {
-		return this.password;
-	}
+   public String getPassword()
+   {
+      return this.password;
+   }
 
-	public void setPassword(String password) {
-		this.password = password;
-	}
+   public void setPassword(String password)
+   {
+      this.password = createSaltedPasswordHash(password);
+   }
 
-	public String getSalt() {
-		return this.salt;
-	}
+   private String getSalt()
+   {
+      // TODO Generate Salt if not set
+      return this.salt;
+   }
 
-	public void setSalt(String salt) {
-		this.salt = salt;
-	}
+   public Boolean isPasswordCorrect(String password)
+   {
+      return getPassword().equals(createSaltedPasswordHash(password));
+   }
+
+   /**
+    * Generate a Base64 encoded SHA-1 hashed password that is salted.
+    *
+    * @param password
+    *           The password to encode.
+    * @param salt
+    *           The salt for salting the password.
+    * @return The salted and encoded password hash.
+    */
+   protected String createSaltedPasswordHash(String password)
+   {
+      try
+      {
+         MessageDigest md = MessageDigest.getInstance("SHA-1");
+         md.update((password + getSalt()).getBytes());
+         return Base64.getEncoder().encodeToString(md.digest());
+      }
+      catch (NoSuchAlgorithmException e)
+      {
+         throw new IllegalStateException(
+               "SHA-1 for some reason is not supported.", e);
+      }
+   }
 
 }
\ No newline at end of file
diff --git a/src/de/fhswf/in/inf/fit/aufgabe5/model/Account_.java b/src/de/fhswf/in/inf/fit/aufgabe5/model/Account_.java
index e7da7b9..b9641d9 100644
--- a/src/de/fhswf/in/inf/fit/aufgabe5/model/Account_.java
+++ b/src/de/fhswf/in/inf/fit/aufgabe5/model/Account_.java
@@ -4,7 +4,7 @@ import javax.annotation.Generated;
 import javax.persistence.metamodel.SingularAttribute;
 import javax.persistence.metamodel.StaticMetamodel;
 
-@Generated(value="Dali", date="2015-11-09T01:25:51.914+0100")
+@Generated(value="Dali", date="2015-11-16T09:57:36.089+0100")
 @StaticMetamodel(Account.class)
 public class Account_ {
 	public static volatile SingularAttribute<Account, String> username;
-- 
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