feat: Implement feature to store symmetric passphrases in DB

src/test/java/de/mlessmann/certassist/config/TestAppEnvConfig.java

@@ -0,0 +1,20 @@
+package de.mlessmann.certassist.config;
+
+import org.springframework.context.EnvironmentAware;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Profile;
+import org.springframework.core.env.Environment;
+
+@Configuration
+@Profile("test")
+public class TestAppEnvConfig implements EnvironmentAware {
+
+    public static final String TEST_APP_KEY = "5i4Y)Ja0{YCl";
+
+    @Override
+    public void setEnvironment(Environment environment) {
+        if (environment.getProperty("APP_KEY") == null) {
+            System.setProperty("APP_KEY", TEST_APP_KEY);
+        }
+    }
+}

src/test/java/de/mlessmann/certassist/service/InMemoryCertificatePasswordProvider.java

@@ -1,29 +1,23 @@
 package de.mlessmann.certassist.service;
 
 import de.mlessmann.certassist.openssl.CertificatePasswordProvider;
-import java.security.SecureRandom;
 import java.util.Map;
 import java.util.Objects;
 import java.util.Optional;
 import java.util.concurrent.ConcurrentHashMap;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
 import org.springframework.stereotype.Service;
 
 @Service
+@ConditionalOnMissingBean(CertificatePasswordProvider.class)
 public class InMemoryCertificatePasswordProvider implements CertificatePasswordProvider {
 
     private final Map<String, String> passwords = new ConcurrentHashMap<>();
-    private static final String CHARACTERS =
-        "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789!@#$%^&*()-_=+[]{}|;:,.<>?";
     private static final int PASSPHRASE_LENGTH = 16;
 
     @Override
     public String generateNewPassword() {
-        SecureRandom random = new SecureRandom();
-        StringBuilder passphrase = new StringBuilder(PASSPHRASE_LENGTH);
-        for (int i = 0; i < PASSPHRASE_LENGTH; i++) {
-            passphrase.append(CHARACTERS.charAt(random.nextInt(CHARACTERS.length())));
-        }
-        return passphrase.toString();
+        return PassphraseService.generateNewPassword(PASSPHRASE_LENGTH);
     }
 
     @Override