Merge pull request #39137 from amparab

* gh-39137:
  Polish "Improve toString of SslBundle implementations"
  Improve toString of SslBundle implementations

Closes gh-39137

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/ssl/PropertiesSslBundle.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2023 the original author or authors.
+ * Copyright 2012-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -26,6 +26,7 @@ import org.springframework.boot.ssl.jks.JksSslStoreBundle;
 import org.springframework.boot.ssl.jks.JksSslStoreDetails;
 import org.springframework.boot.ssl.pem.PemSslStoreBundle;
 import org.springframework.boot.ssl.pem.PemSslStoreDetails;
+import org.springframework.core.style.ToStringCreator;
 
 /**
  * {@link SslBundle} backed by {@link JksSslBundleProperties} or
@@ -128,4 +129,14 @@ public final class PropertiesSslBundle implements SslBundle {
 				properties.getPassword());
 	}
 
+	@Override
+	public String toString() {
+		ToStringCreator creator = new ToStringCreator(this);
+		creator.append("key", this.key);
+		creator.append("options", this.options);
+		creator.append("protocol", this.protocol);
+		creator.append("stores", this.stores);
+		return creator.toString();
+	}
+
 }

spring-boot-project/spring-boot/src/main/java/org/springframework/boot/ssl/SslBundle.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2023 the original author or authors.
+ * Copyright 2012-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -20,6 +20,7 @@ import javax.net.ssl.KeyManager;
 import javax.net.ssl.SSLContext;
 import javax.net.ssl.TrustManager;
 
+import org.springframework.core.style.ToStringCreator;
 import org.springframework.util.StringUtils;
 
 /**
@@ -160,6 +161,16 @@ public interface SslBundle {
 				return managersToUse;
 			}
 
+			@Override
+			public String toString() {
+				ToStringCreator creator = new ToStringCreator(this);
+				creator.append("key", getKey());
+				creator.append("options", getOptions());
+				creator.append("protocol", getProtocol());
+				creator.append("stores", getStores());
+				return creator.toString();
+			}
+
 		};
 	}
 

spring-boot-project/spring-boot/src/main/java/org/springframework/boot/ssl/SslBundleKey.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2023 the original author or authors.
+ * Copyright 2012-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -19,6 +19,7 @@ package org.springframework.boot.ssl;
 import java.security.KeyStore;
 import java.security.KeyStoreException;
 
+import org.springframework.core.style.ToStringCreator;
 import org.springframework.util.Assert;
 import org.springframework.util.StringUtils;
 
@@ -94,6 +95,14 @@ public interface SslBundleKey {
 				return alias;
 			}
 
+			@Override
+			public String toString() {
+				ToStringCreator creator = new ToStringCreator(this);
+				creator.append("alias", alias);
+				creator.append("password", (password != null) ? "******" : null);
+				return creator.toString();
+			}
+
 		};
 	}
 

spring-boot-project/spring-boot/src/main/java/org/springframework/boot/ssl/SslOptions.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2023 the original author or authors.
+ * Copyright 2012-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -24,6 +24,8 @@ import java.util.Set;
 
 import javax.net.ssl.SSLEngine;
 
+import org.springframework.core.style.ToStringCreator;
+
 /**
  * Configuration options that should be applied when establishing an SSL connection.
  *
@@ -81,6 +83,14 @@ public interface SslOptions {
 				return enabledProtocols;
 			}
 
+			@Override
+			public String toString() {
+				ToStringCreator creator = new ToStringCreator(this);
+				creator.append("ciphers", ciphers);
+				creator.append("enabledProtocols", enabledProtocols);
+				return creator.toString();
+			}
+
 		};
 	}
 

spring-boot-project/spring-boot/src/main/java/org/springframework/boot/ssl/SslStoreBundle.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2023 the original author or authors.
+ * Copyright 2012-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -18,6 +18,8 @@ package org.springframework.boot.ssl;
 
 import java.security.KeyStore;
 
+import org.springframework.core.style.ToStringCreator;
+
 /**
  * A bundle of key and trust stores that can be used to establish an SSL connection.
  *
@@ -75,6 +77,15 @@ public interface SslStoreBundle {
 				return keyStorePassword;
 			}
 
+			@Override
+			public String toString() {
+				ToStringCreator creator = new ToStringCreator(this);
+				creator.append("keyStore.type", (keyStore != null) ? keyStore.getType() : "none");
+				creator.append("keyStorePassword", (keyStorePassword != null) ? "******" : null);
+				creator.append("trustStore.type", (trustStore != null) ? trustStore.getType() : "none");
+				return creator.toString();
+			}
+
 		};
 	}
 

spring-boot-project/spring-boot/src/main/java/org/springframework/boot/ssl/jks/JksSslStoreBundle.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2023 the original author or authors.
+ * Copyright 2012-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -26,6 +26,7 @@ import java.security.NoSuchProviderException;
 import java.security.cert.CertificateException;
 
 import org.springframework.boot.ssl.SslStoreBundle;
+import org.springframework.core.style.ToStringCreator;
 import org.springframework.util.Assert;
 import org.springframework.util.ResourceUtils;
 import org.springframework.util.StringUtils;
@@ -123,4 +124,14 @@ public class JksSslStoreBundle implements SslStoreBundle {
 		}
 	}
 
+	@Override
+	public String toString() {
+		ToStringCreator creator = new ToStringCreator(this);
+		creator.append("keyStore.type", (this.keyStore != null) ? this.keyStore.getType() : "none");
+		String keyStorePassword = getKeyStorePassword();
+		creator.append("keyStorePassword", (keyStorePassword != null) ? "******" : null);
+		creator.append("trustStore.type", (this.trustStore != null) ? this.trustStore.getType() : "none");
+		return creator.toString();
+	}
+
 }

spring-boot-project/spring-boot/src/main/java/org/springframework/boot/ssl/pem/PemSslStoreBundle.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2023 the original author or authors.
+ * Copyright 2012-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -22,6 +22,7 @@ import java.security.PrivateKey;
 import java.security.cert.X509Certificate;
 
 import org.springframework.boot.ssl.SslStoreBundle;
+import org.springframework.core.style.ToStringCreator;
 import org.springframework.util.Assert;
 import org.springframework.util.StringUtils;
 
@@ -110,4 +111,13 @@ public class PemSslStoreBundle implements SslStoreBundle {
 		}
 	}
 
+	@Override
+	public String toString() {
+		ToStringCreator creator = new ToStringCreator(this);
+		creator.append("keyStore.type", (this.keyStore != null) ? this.keyStore.getType() : "none");
+		creator.append("keyStorePassword", null);
+		creator.append("trustStore.type", (this.trustStore != null) ? this.trustStore.getType() : "none");
+		return creator.toString();
+	}
+
 }

spring-boot-project/spring-boot/src/main/java/org/springframework/boot/web/server/WebServerSslBundle.java

@@ -29,6 +29,7 @@ import org.springframework.boot.ssl.jks.JksSslStoreBundle;
 import org.springframework.boot.ssl.jks.JksSslStoreDetails;
 import org.springframework.boot.ssl.pem.PemSslStoreBundle;
 import org.springframework.boot.ssl.pem.PemSslStoreDetails;
+import org.springframework.core.style.ToStringCreator;
 import org.springframework.util.Assert;
 import org.springframework.util.StringUtils;
 import org.springframework.util.function.ThrowingSupplier;
@@ -223,6 +224,16 @@ public final class WebServerSslBundle implements SslBundle {
 				|| (ssl.getTrustStoreType() != null && ssl.getTrustStoreType().equals("PKCS11")));
 	}
 
+	@Override
+	public String toString() {
+		ToStringCreator creator = new ToStringCreator(this);
+		creator.append("key", this.key);
+		creator.append("protocol", this.protocol);
+		creator.append("stores", this.stores);
+		creator.append("options", this.options);
+		return creator.toString();
+	}
+
 	/**
 	 * Class to adapt a {@link SslStoreProvider} into a {@link SslStoreBundle}.
 	 */
@@ -250,6 +261,17 @@ public final class WebServerSslBundle implements SslBundle {
 			return ThrowingSupplier.of(this.sslStoreProvider::getTrustStore).get();
 		}
 
+		@Override
+		public String toString() {
+			ToStringCreator creator = new ToStringCreator(this);
+			KeyStore keyStore = getKeyStore();
+			creator.append("keyStore.type", (keyStore != null) ? keyStore.getType() : "none");
+			creator.append("keyStorePassword", null);
+			KeyStore trustStore = getTrustStore();
+			creator.append("trustStore.type", (trustStore != null) ? trustStore.getType() : "none");
+			return creator.toString();
+		}
+
 	}
 
 	private static final class WebServerSslStoreBundle implements SslStoreBundle {
@@ -282,6 +304,15 @@ public final class WebServerSslBundle implements SslBundle {
 			return this.keyStorePassword;
 		}
 
+		@Override
+		public String toString() {
+			ToStringCreator creator = new ToStringCreator(this);
+			creator.append("keyStore.type", (this.keyStore != null) ? this.keyStore.getType() : "none");
+			creator.append("keyStorePassword", (this.keyStorePassword != null) ? "******" : null);
+			creator.append("trustStore.type", (this.trustStore != null) ? this.trustStore.getType() : "none");
+			return creator.toString();
+		}
+
 	}
 
 }