Add validation for uniqueness of CA names

Signed-off-by: Michal Banka <michal.banka@nokia.com>
Change-Id: Icfa9ee0f78d360a4f640904bb9077a10f15497ed
Issue-ID: AAF-1107

3 files changed, 29 insertions, 8 deletions

diff --git a/certService/src/main/java/org/onap/aaf/certservice/certification/X509CertificateBuilder.java b/certService/src/main/java/org/onap/aaf/certservice/certification/X509CertificateBuilder.java
index 70591759..5b24c653 100644
--- a/certService/src/main/java/org/onap/aaf/certservice/certification/X509CertificateBuilder.java
+++ b/certService/src/main/java/org/onap/aaf/certservice/certification/X509CertificateBuilder.java
@@ -38,7 +38,7 @@ public class X509CertificateBuilder {
     private static final int SECURE_NEXT_BYTES = 16;
     private static final int VALID_PERIOD_IN_DAYS = 365;
 
-    public X509v3CertificateBuilder build(PKCS10CertificationRequest csr) throws IOException {
+    X509v3CertificateBuilder build(PKCS10CertificationRequest csr) throws IOException {
         return new X509v3CertificateBuilder(csr.getSubject(), createSerial(),
                 Date.from(LocalDateTime.now().toInstant(ZoneOffset.UTC)),
                 Date.from(LocalDateTime.now().plusDays(VALID_PERIOD_IN_DAYS).toInstant(ZoneOffset.UTC)),
diff --git a/certService/src/main/java/org/onap/aaf/certservice/certification/configuration/CmpServersConfigLoader.java b/certService/src/main/java/org/onap/aaf/certservice/certification/configuration/CmpServersConfigLoader.java
index 696ae564..101712e2 100644
--- a/certService/src/main/java/org/onap/aaf/certservice/certification/configuration/CmpServersConfigLoader.java
+++ b/certService/src/main/java/org/onap/aaf/certservice/certification/configuration/CmpServersConfigLoader.java
@@ -25,9 +25,10 @@ import java.io.File;
 import java.io.IOException;
 import java.security.InvalidParameterException;
 import java.util.List;
+
 import org.onap.aaf.certservice.certification.configuration.model.CmpServers;
 import org.onap.aaf.certservice.certification.configuration.model.Cmpv2Server;
-import org.onap.aaf.certservice.certification.configuration.validation.Cmpv2ServerConfigurationValidator;
+import org.onap.aaf.certservice.certification.configuration.validation.Cmpv2ServersConfigurationValidator;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Component;
 
@@ -37,17 +38,17 @@ class CmpServersConfigLoader {
     private static final String LOADING_EXCEPTION_MESSAGE = "Exception occurred during CMP Servers configuration loading";
     private static final String VALIDATION_EXCEPTION_MESSAGE = "Validation of CMPv2 servers configuration failed";
 
-    private final Cmpv2ServerConfigurationValidator validator;
+    private final Cmpv2ServersConfigurationValidator validator;
 
     @Autowired
-    CmpServersConfigLoader(Cmpv2ServerConfigurationValidator validator) {
+    CmpServersConfigLoader(Cmpv2ServersConfigurationValidator validator) {
         this.validator = validator;
     }
 
     List<Cmpv2Server> load(String path) throws CmpServersConfigLoadingException {
         try {
             List<Cmpv2Server> servers = loadConfigFromFile(path).getCmpv2Servers();
-            servers.forEach(validator::validate);
+            validator.validate(servers);
             return servers;
         } catch (IOException e) {
             throw new CmpServersConfigLoadingException(LOADING_EXCEPTION_MESSAGE, e);
diff --git a/certService/src/main/java/org/onap/aaf/certservice/certification/configuration/validation/Cmpv2ServerConfigurationValidator.java b/certService/src/main/java/org/onap/aaf/certservice/certification/configuration/validation/Cmpv2ServersConfigurationValidator.java
index 736a65d1..3cf7fdf7 100644
--- a/certService/src/main/java/org/onap/aaf/certservice/certification/configuration/validation/Cmpv2ServerConfigurationValidator.java
+++ b/certService/src/main/java/org/onap/aaf/certservice/certification/configuration/validation/Cmpv2ServersConfigurationValidator.java
@@ -27,22 +27,42 @@ import org.springframework.stereotype.Service;
 import javax.validation.ConstraintViolation;
 import javax.validation.Validator;
 import java.security.InvalidParameterException;
+import java.util.List;
 import java.util.Set;
 
 @Service
-public class Cmpv2ServerConfigurationValidator {
+public class Cmpv2ServersConfigurationValidator {
 
     private final Validator validator;
 
     @Autowired
-    public Cmpv2ServerConfigurationValidator(Validator validator) {
+    public Cmpv2ServersConfigurationValidator(Validator validator) {
         this.validator = validator;
     }
 
-    public void validate(Cmpv2Server serverDetails) {
+    public void validate(List<Cmpv2Server> servers) {
+        servers.forEach(this::validateServer);
+        validateUniqueCaNames(servers);
+    }
+
+    private void validateServer(Cmpv2Server serverDetails) {
         Set<ConstraintViolation<Cmpv2Server>> violations = validator.validate(serverDetails);
         if (!violations.isEmpty()) {
             throw new InvalidParameterException(violations.toString());
         }
     }
+
+    private void validateUniqueCaNames(List<Cmpv2Server> servers) {
+        long distinctCAs = getNumberOfUniqueCaNames(servers);
+        if (servers.size() != distinctCAs) {
+            throw new InvalidParameterException("CA names are not unique within given CMPv2 servers");
+        }
+    }
+
+    private long getNumberOfUniqueCaNames(List<Cmpv2Server> servers) {
+        return servers.stream().map(Cmpv2Server::getCaName)
+                .distinct()
+                .count();
+    }
+
 }