DesedeEncoder

maxkey-common/src/main/java/org/dromara/maxkey/crypto/password/DesedeEncoder.java

@@ -0,0 +1,89 @@
+/*
+ * Copyright [2023] [MaxKey of copyright http://www.maxkey.top]
+ *
+ * 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.dromara.maxkey.crypto.password;
+
+import org.dromara.maxkey.crypto.ReciprocalUtils;
+import org.springframework.security.crypto.password.PasswordEncoder;
+
+/**
+ * DesedePasswordEncoder.
+ * @author Crystal.Sea
+ *
+ */
+public class DesedeEncoder implements PasswordEncoder {
+
+	private static final String DEFAULT_SALT 	= "bWu3x8E5yS2h6l0J_qT7NvIzP9oRaG4kFc1QmD"; //
+	private static final String CRYPT 			= "{crypt}";
+	private static final String PLAIN 			= "{plain}";
+
+	public static final int PREFFIX_LENGTH 		= 7;
+
+    private static DesedeEncoder desedePasswordEncoder;
+
+    public DesedeEncoder() {
+    	//
+    }
+
+    /**
+     * getInstance.
+     * @return
+     */
+    public static DesedeEncoder getInstance() {
+
+        if (desedePasswordEncoder == null) {
+        	desedePasswordEncoder = new DesedeEncoder();
+        }
+
+        return desedePasswordEncoder;
+    }
+
+    public String decoder(CharSequence encodedPassword) {
+    	if(encodedPassword == null) return null;
+    	String encodedPasswordString  = encodedPassword.toString();
+    	if(encodedPasswordString.startsWith(CRYPT)) {
+    		return ReciprocalUtils.decoderHex(encodedPasswordString.substring(PREFFIX_LENGTH), DEFAULT_SALT);
+    	}else if(encodedPasswordString.startsWith(PLAIN)) {
+    		return encodedPasswordString.substring(PREFFIX_LENGTH);
+    	}else {
+    		return encodedPasswordString;
+    	}
+    }
+
+    public boolean matches(CharSequence rawPassword, String encodedPassword) {
+    	if(encodedPassword.startsWith(PLAIN)) {
+    		encodedPassword = encode(encodedPassword.substring(PREFFIX_LENGTH));
+    	}
+    	String finalPassword = encode(rawPassword);
+        return finalPassword.equals(encodedPassword);
+    }
+
+	@Override
+	public String encode(CharSequence plain) {
+		return (plain == null) ? null : (CRYPT + ReciprocalUtils.encode2Hex(plain + "", DEFAULT_SALT));
+	}
+
+	public String encode(CharSequence plain,boolean isEncode) {
+		if(plain == null) return null;
+		if(isEncode) {
+			return CRYPT + ReciprocalUtils.encode2Hex(plain + "", DEFAULT_SALT);
+		}else {
+			return PLAIN + plain;
+		}
+	}
+
+}