database enum handle implementation

dmp-backend/core/pom.xml

@@ -14,6 +14,14 @@
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     </properties>
+    <dependencies>
+        <dependency>
+            <groupId>dmp-backend</groupId>
+            <artifactId>queryable</artifactId>
+            <version>1.0-SNAPSHOT</version>
+            <scope>compile</scope>
+        </dependency>
+    </dependencies>
 
     <build>
         <plugins>

dmp-backend/core/src/main/java/eu/eudat/commons/enums/ProviderType.java

@@ -0,0 +1,29 @@
+package eu.eudat.commons.enums;
+
+import eu.eudat.data.converters.enums.DatabaseEnum;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public enum ProviderType implements DatabaseEnum<Integer> {
+
+    Google (1), 
+    Facebook ( 2), 
+    Twitter ( 3), 
+    LinkedIn  (4), 
+    NativeLogin ( 5), 
+    B2Access  ( 6), 
+    ORCID  (7), 
+    OpenAire  ( 8), 
+    Configurable  ( 9), 
+    Zenodo   (10), 
+    Keycloack ( 128);
+
+    private final Integer value;
+
+    ProviderType(Integer value) {
+        this.value = value;
+    }
+
+    public Integer getValue() { return this.value; }
+}

dmp-backend/core/src/main/java/eu/eudat/commons/enums/Status.java

@@ -0,0 +1,19 @@
+package eu.eudat.commons.enums;
+
+import eu.eudat.data.converters.enums.DatabaseEnum;
+
+public enum Status implements DatabaseEnum<Integer> {
+
+    Inactive(0), 
+    Active( 1);
+
+    private final Integer value;
+
+    Status(Integer value) {
+        this.value = value;
+    }
+
+    public Integer getValue() {
+        return value;
+    }
+}

dmp-backend/core/src/main/java/eu/eudat/data/CredentialEntity.java

@@ -1,9 +1,13 @@
-package eu.eudat.data.entities;
+package eu.eudat.data;
 
+import eu.eudat.commons.enums.ProviderType;
+import eu.eudat.commons.enums.Status;
 import eu.eudat.data.converters.DateToUTCConverter;
-import eu.eudat.data.entities.helpers.EntityBinder;
-import eu.eudat.queryable.queryableentity.DataEntity;
 
+import eu.eudat.data.converters.enums.ProviderTypeConverter;
+import eu.eudat.data.converters.enums.StatusConverter;
+import eu.eudat.data.helpers.EntityBinder;
+import eu.eudat.queryable.queryableentity.DataEntity;
 import jakarta.persistence.*;
 import java.util.Date;
 import java.util.List;
@@ -12,29 +16,30 @@ import java.util.UUID;
 
 @Entity
 @Table(name = "\"Credential\"")
-@NamedEntityGraphs({
-		@NamedEntityGraph(
-				name = "credentialUserInfo",
-				attributeNodes = {@NamedAttributeNode("userInfo")})
-})
-public class Credential implements DataEntity<Credential, UUID> {
+//@NamedEntityGraphs({
+//		@NamedEntityGraph(
+//				name = "credentialUserInfo",
+//				attributeNodes = {@NamedAttributeNode("userInfo")})
+//})
+public class CredentialEntity implements DataEntity<CredentialEntity, UUID> {
 
 	@Id
 	@Column(name = "\"Id\"", updatable = false, nullable = false, columnDefinition = "BINARY(16)")
 	private UUID id;
 	public final static String _id = "id";
 
-	@ManyToOne
-	@JoinColumn(name = "\"UserId\"", nullable = false)
-	private UserInfo userInfo;
-	public final static String _userInfo = "userInfo"; //TODO: Authn
+	@Column(name = "\"UserId\"", columnDefinition = "uuid", nullable = false)
+	private UUID userId;
+	public final static String _userId = "userId"; 
 
 	@Column(name = "\"Status\"", nullable = false)
-	private Integer status;
+	@Convert(converter = StatusConverter.class)
+	private Status status;
 	public final static String _status = "status";
 
 	@Column(name = "\"Provider\"", nullable = false)
-	private Integer provider;
+	@Convert(converter = ProviderTypeConverter.class)
+	private ProviderType provider;
 	public final static String _provider = "provider";
 	
 	@Column(name = "\"Public\"", nullable = false)
@@ -71,27 +76,27 @@ public class Credential implements DataEntity<Credential, UUID> {
 		this.id = id;
 	}
 
-	public UserInfo getUserInfo() {
-		return userInfo;
+	public UUID getUserId() {
+		return userId;
 	}
 
-	public void setUserInfo(UserInfo userInfo) {
-		this.userInfo = userInfo;
+	public void setUserId(UUID userId) {
+		this.userId = userId;
 	}
 
-	public Integer getStatus() {
+	public Status getStatus() {
 		return status;
 	}
 
-	public void setStatus(Integer status) {
+	public void setStatus(Status status) {
 		this.status = status;
 	}
 
-	public Integer getProvider() {
+	public ProviderType getProvider() {
 		return provider;
 	}
 
-	public void setProvider(Integer provider) {
+	public void setProvider(ProviderType provider) {
 		this.provider = provider;
 	}
 
@@ -148,18 +153,18 @@ public class Credential implements DataEntity<Credential, UUID> {
 		if (this == o) return true;
 		if (o == null || getClass() != o.getClass()) return false;
 
-		Credential that = (Credential) o;
+		CredentialEntity that = (CredentialEntity) o;
 
-		return provider.intValue() == that.provider.intValue();
+		return provider.getValue() == that.provider.getValue();
 	}
 
 	@Override
 	public int hashCode() {
-		return provider.intValue();
+		return provider.getValue();
 	}
 
 	@Override
-	public void update(Credential entity) {
+	public void update(CredentialEntity entity) {
 		this.status = entity.status;
 		this.publicValue = entity.getPublicValue();
 		this.email = entity.getEmail();
@@ -173,7 +178,7 @@ public class Credential implements DataEntity<Credential, UUID> {
 	}
 
 	@Override
-	public Credential buildFromTuple(List<Tuple> tuple, List<String> fields, String base) {
+	public CredentialEntity buildFromTuple(List<Tuple> tuple, List<String> fields, String base) {
 		String currentBase = base.isEmpty() ? "" : base + ".";
 		if (fields.contains(currentBase + "id")) this.id = EntityBinder.fromTuple(tuple, currentBase + "id");
 		return this;

dmp-backend/core/src/main/java/eu/eudat/data/converters/DateToUTCConverter.java

@@ -0,0 +1,48 @@
+package eu.eudat.data.converters;
+
+import jakarta.persistence.AttributeConverter;
+import jakarta.persistence.Converter;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.text.DateFormat;
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.TimeZone;
+
+/**
+ * Created by ikalyvas on 9/25/2018.
+ */
+@Converter
+public class DateToUTCConverter implements AttributeConverter<Date, Date> {
+    private static final Logger logger = LoggerFactory.getLogger(DateToUTCConverter.class);
+
+    @Override
+    public Date convertToDatabaseColumn(Date attribute) {
+        if(attribute == null) return null;
+        DateFormat formatterIST = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
+        formatterIST.setTimeZone(TimeZone.getTimeZone("UTC"));
+        try {
+            String date = formatterIST.format(attribute);
+            return formatterIST.parse(date);
+        } catch (ParseException e) {
+            logger.error(e.getMessage(), e);
+        }
+        return null;
+    }
+
+    @Override
+    public Date convertToEntityAttribute(Date dbData) {
+        if(dbData == null) return null;
+        DateFormat formatterIST = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
+        formatterIST.setTimeZone(TimeZone.getTimeZone("UTC"));
+        try {
+            String date = formatterIST.format(dbData);
+            return formatterIST.parse(date);
+        } catch (ParseException e) {
+            logger.error(e.getMessage(), e);
+        }
+        return null;
+    }
+}

dmp-backend/core/src/main/java/eu/eudat/data/converters/enums/DatabaseEnum.java

@@ -0,0 +1,5 @@
+package eu.eudat.data.converters.enums;
+
+public interface  DatabaseEnum<T> {
+    T getValue();
+}

dmp-backend/core/src/main/java/eu/eudat/data/converters/enums/DatabaseEnumConverter.java

@@ -0,0 +1,21 @@
+package eu.eudat.data.converters.enums;
+
+import eu.eudat.commons.enums.ProviderType;
+import jakarta.persistence.AttributeConverter;
+import jakarta.persistence.Converter;
+
+@Converter
+public abstract class DatabaseEnumConverter<EnumType extends DatabaseEnum<T>, T> implements AttributeConverter<EnumType, T> {
+    protected abstract EnumType of(T dbData);
+    
+    @Override
+    public T convertToDatabaseColumn(EnumType value) {
+        if (value == null)  throw new IllegalArgumentException("value");
+        return value.getValue();
+    }
+
+    @Override
+    public EnumType convertToEntityAttribute(T dbData) {
+        return this.of(dbData);
+    }
+}

dmp-backend/core/src/main/java/eu/eudat/data/converters/enums/ProviderTypeConverter.java

@@ -0,0 +1,22 @@
+package eu.eudat.data.converters.enums;
+
+import eu.eudat.commons.enums.ProviderType;
+import jakarta.persistence.AttributeConverter;
+import jakarta.persistence.Converter;
+
+import java.util.HashMap;
+import java.util.Map;
+
+@Converter
+public class ProviderTypeConverter extends DatabaseEnumConverter<ProviderType, Integer> {
+    private static final Map<Integer, ProviderType> map;
+    static {
+        map = new HashMap<>();
+        for (ProviderType v : ProviderType.values()) {
+            map.put(v.getValue(), v);
+        }
+    }
+    public ProviderType of(Integer i) {
+        return map.get(i);
+    }
+}

dmp-backend/core/src/main/java/eu/eudat/data/converters/enums/StatusConverter.java

@@ -0,0 +1,22 @@
+package eu.eudat.data.converters.enums;
+
+import eu.eudat.commons.enums.ProviderType;
+import eu.eudat.commons.enums.Status;
+import jakarta.persistence.Converter;
+
+import java.util.HashMap;
+import java.util.Map;
+
+@Converter
+public class StatusConverter extends DatabaseEnumConverter<Status, Integer> {
+    private static final Map<Integer, Status> map;
+    static {
+        map = new HashMap<>();
+        for (Status v : Status.values()) {
+            map.put(v.getValue(), v);
+        }
+    }
+    public Status of(Integer i) {
+        return map.get(i);
+    }
+}

dmp-backend/core/src/main/java/eu/eudat/data/helpers/EntityBinder.java

@@ -0,0 +1,15 @@
+package eu.eudat.data.helpers;
+
+import jakarta.persistence.Tuple;
+
+import java.util.List;
+
+public class EntityBinder {
+	public static <T> T fromTuple(List<Tuple> tuple, String path) {
+		try {
+			return (T) tuple.get(0).get(path);
+		}catch (IllegalArgumentException illegalArgument){
+			return null;
+		}
+	}
+}

dmp-backend/core/src/main/java/eu/eudat/query/CredentialQuery.java

@@ -0,0 +1,125 @@
+package eu.eudat.query;
+
+import eu.eudat.data.CredentialEntity;
+import gr.cite.tools.data.query.FieldResolver;
+import gr.cite.tools.data.query.QueryBase;
+import gr.cite.tools.data.query.QueryContext;
+import jakarta.persistence.Tuple;
+import jakarta.persistence.criteria.CriteriaBuilder;
+import jakarta.persistence.criteria.Predicate;
+import org.springframework.beans.factory.config.ConfigurableBeanFactory;
+import org.springframework.context.annotation.Scope;
+import org.springframework.stereotype.Component;
+
+import java.util.*;
+
+@Component
+@Scope(value = ConfigurableBeanFactory.SCOPE_PROTOTYPE)
+public class CredentialQuery extends QueryBase<CredentialEntity> {
+
+    private Collection<UUID> ids;
+    
+    private Collection<UUID> userIds;
+
+    private Collection<Short> statuses;
+
+    public CredentialQuery ids(UUID value) {
+        this.ids = List.of(value);
+        return this;
+    }
+
+    public CredentialQuery ids(UUID... value) {
+        this.ids = Arrays.asList(value);
+        return this;
+    }
+
+    public CredentialQuery ids(List<UUID> value) {
+        this.ids = value;
+        return this;
+    }
+
+
+    public CredentialQuery userIds(UUID value) {
+        this.userIds = List.of(value);
+        return this;
+    }
+
+    public CredentialQuery userIds(UUID... value) {
+        this.userIds = Arrays.asList(value);
+        return this;
+    }
+
+    public CredentialQuery userIds(List<UUID> value) {
+        this.userIds = value;
+        return this;
+    }
+
+    public CredentialQuery statuses(Short value) {
+        this.statuses = List.of(value);
+        return this;
+    }
+
+    public CredentialQuery statuses(Short... value) {
+        this.statuses = Arrays.asList(value);
+        return this;
+    }
+
+    public CredentialQuery statuses(List<Short> value) {
+        this.statuses = value;
+        return this;
+    }
+
+    @Override
+    protected Boolean isFalseQuery() {
+        return this.isEmpty(this.ids) || this.isEmpty(this.userIds) || this.isEmpty(this.statuses);
+    }
+
+    @Override
+    protected Class<CredentialEntity> entityClass() {
+        return CredentialEntity.class;
+    }
+
+    @Override
+    protected <X, Y> Predicate applyFilters(QueryContext<X, Y> queryContext) {
+        List<Predicate> predicates = new ArrayList<>();
+
+        if (this.ids != null) {
+            CriteriaBuilder.In<UUID> inClause = queryContext.CriteriaBuilder.in(queryContext.Root.get(CredentialEntity._id));
+            for (UUID item : this.ids)
+                inClause.value(item);
+            predicates.add(inClause);
+        }
+
+        if (this.userIds != null) {
+            CriteriaBuilder.In<UUID> inClause = queryContext.CriteriaBuilder.in(queryContext.Root.get(CredentialEntity._userId));
+            for (UUID item : this.userIds)
+                inClause.value(item);
+            predicates.add(inClause);
+        }
+
+        if (this.statuses != null) {
+            CriteriaBuilder.In<Short> inClause = queryContext.CriteriaBuilder.in(queryContext.Root.get(CredentialEntity._status));
+            for (Short item : this.statuses)
+                inClause.value(item);
+            predicates.add(inClause);
+        }
+
+        if (!predicates.isEmpty()) {
+            Predicate[] predicatesArray = predicates.toArray(new Predicate[0]);
+            return queryContext.CriteriaBuilder.and(predicatesArray);
+        } else {
+            return queryContext.CriteriaBuilder.and();
+        }
+    }
+
+    @Override
+    protected String fieldNameOf(FieldResolver item) {
+        return null;
+    }
+
+    @Override
+    protected CredentialEntity convert(Tuple tuple, Set<String> columns) {
+        return null;
+    }
+
+}

dmp-backend/data/src/main/java/eu/eudat/data/dao/entities/security/CredentialDao.java

@@ -1,12 +1,12 @@
 package eu.eudat.data.dao.entities.security;
 
+import eu.eudat.data.CredentialEntity;
 import eu.eudat.data.dao.DatabaseAccessLayer;
-import eu.eudat.data.entities.Credential;
 
 import java.util.UUID;
 
 
-public interface CredentialDao extends DatabaseAccessLayer<Credential, UUID> {
+public interface CredentialDao extends DatabaseAccessLayer<CredentialEntity, UUID> {
 
-    Credential getLoggedInCredentials(String username, String secret, Integer provider);
+    CredentialEntity getLoggedInCredentials(String username, String secret, Integer provider);
 }

dmp-backend/data/src/main/java/eu/eudat/data/dao/entities/security/CredentialDaoImpl.java

@@ -1,8 +1,8 @@
 package eu.eudat.data.dao.entities.security;
 
+import eu.eudat.data.CredentialEntity;
 import eu.eudat.data.dao.DatabaseAccess;
 import eu.eudat.data.dao.databaselayer.service.DatabaseService;
-import eu.eudat.data.entities.Credential;
 import eu.eudat.queryable.QueryableList;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Component;
@@ -12,26 +12,26 @@ import java.util.concurrent.CompletableFuture;
 
 
 @Component("credentialDao")
-public class CredentialDaoImpl extends DatabaseAccess<Credential> implements CredentialDao {
+public class CredentialDaoImpl extends DatabaseAccess<CredentialEntity> implements CredentialDao {
 
     @Autowired
-    public CredentialDaoImpl(DatabaseService<Credential> databaseService) {
+    public CredentialDaoImpl(DatabaseService<CredentialEntity> databaseService) {
         super(databaseService);
     }
 
     @Override
-    public Credential createOrUpdate(Credential item) {
-        return this.getDatabaseService().createOrUpdate(item, Credential.class);
+    public CredentialEntity createOrUpdate(CredentialEntity item) {
+        return this.getDatabaseService().createOrUpdate(item, CredentialEntity.class);
     }
 
     @Override
-    public Credential find(UUID id) {
-        return this.getDatabaseService().getQueryable(Credential.class).where((builder, root) -> builder.equal(root.get("id"), id)).getSingleOrDefault();
+    public CredentialEntity find(UUID id) {
+        return this.getDatabaseService().getQueryable(CredentialEntity.class).where((builder, root) -> builder.equal(root.get("id"), id)).getSingleOrDefault();
     }
 
     @Override
-    public Credential getLoggedInCredentials(String username, String secret, Integer provider) {
-        return this.getDatabaseService().getQueryable(Credential.class).where(((builder, root) ->
+    public CredentialEntity getLoggedInCredentials(String username, String secret, Integer provider) {
+        return this.getDatabaseService().getQueryable(CredentialEntity.class).where(((builder, root) ->
                 builder.and(
                         builder.equal(root.get("publicValue"), username),
                         builder.equal(root.get("secret"), secret),
@@ -40,22 +40,22 @@ public class CredentialDaoImpl extends DatabaseAccess<Credential> implements Cre
     }
 
     @Override
-    public void delete(Credential item) {
+    public void delete(CredentialEntity item) {
         this.getDatabaseService().delete(item);
     }
 
     @Override
-    public QueryableList<Credential> asQueryable() {
-        return this.getDatabaseService().getQueryable(Credential.class);
+    public QueryableList<CredentialEntity> asQueryable() {
+        return this.getDatabaseService().getQueryable(CredentialEntity.class);
     }
 
     @Override
-    public CompletableFuture<Credential> createOrUpdateAsync(Credential item) {
+    public CompletableFuture<CredentialEntity> createOrUpdateAsync(CredentialEntity item) {
         return CompletableFuture.supplyAsync(() -> this.createOrUpdate(item));
     }
 
     @Override
-    public Credential find(UUID id, String hint) {
+    public CredentialEntity find(UUID id, String hint) {
         throw new UnsupportedOperationException();
     }
 }

dmp-backend/data/src/main/java/eu/eudat/data/entities/UserInfo.java

@@ -1,5 +1,6 @@
 package eu.eudat.data.entities;
 
+import eu.eudat.data.CredentialEntity;
 import eu.eudat.data.converters.DateToUTCConverter;
 import eu.eudat.data.entities.helpers.EntityBinder;
 import eu.eudat.queryable.queryableentity.DataEntity;
@@ -15,7 +16,7 @@ import java.util.*;
 @NamedEntityGraphs({
 		@NamedEntityGraph(
 				name = "userInfo",
-				attributeNodes = {@NamedAttributeNode("userRoles"), @NamedAttributeNode("credentials"), @NamedAttributeNode("additionalinfo")}),
+				attributeNodes = {@NamedAttributeNode("userRoles"), @NamedAttributeNode("additionalinfo")}),
 })
 public class UserInfo implements DataEntity<UserInfo, UUID> {
 
@@ -76,8 +77,9 @@ public class UserInfo implements DataEntity<UserInfo, UUID> {
 	)
 	private Set<DMP> dmps;
 
-	@OneToMany(mappedBy = "userInfo", fetch = FetchType.LAZY)
-	private Set<Credential> credentials = new HashSet<>();
+	@OneToMany(fetch = FetchType.LAZY)
+	@JoinColumn(name = "Id")
+	private Set<CredentialEntity> credentialEntities = new HashSet<>();
 
 	@OneToMany(mappedBy = "userInfo", fetch = FetchType.LAZY)
 	private Set<UserRole> userRoles = new HashSet<>();
@@ -168,12 +170,12 @@ public class UserInfo implements DataEntity<UserInfo, UUID> {
 		this.additionalinfo = additionalinfo;
 	}
 
-	public Set<Credential> getCredentials() {
-		return credentials;
+	public Set<CredentialEntity> getCredentials() {
+		return credentialEntities;
 	}
 
-	public void setCredentials(Set<Credential> credentials) {
-		this.credentials = credentials;
+	public void setCredentials(Set<CredentialEntity> credentialEntities) {
+		this.credentialEntities = credentialEntities;
 	}
 
 	public Set<UserRole> getUserRoles() {

dmp-backend/web/src/main/java/eu/eudat/configurations/SecurityConfiguration.java

@@ -45,8 +45,8 @@ public class SecurityConfiguration {
 				.headers(httpSecurityHeadersConfigurer -> httpSecurityHeadersConfigurer.frameOptions(HeadersConfigurer.FrameOptionsConfig::disable))
 				.addFilterBefore(apiKeyFilter, AbstractPreAuthenticatedProcessingFilter.class)
 				.authorizeHttpRequests(authRequest ->
-						authRequest.requestMatchers(buildAntPatterns(webSecurityProperties.getAllowedEndpoints())).anonymous()
-								.requestMatchers(buildAntPatterns(webSecurityProperties.getAuthorizedEndpoints())).authenticated())
+						authRequest.requestMatchers(buildAntPatterns(webSecurityProperties.getAllowedEndpoints())).permitAll() //TODO: Authz
+								.requestMatchers(buildAntPatterns(webSecurityProperties.getAuthorizedEndpoints())).permitAll())
 				.sessionManagement( sessionManagementConfigurer-> sessionManagementConfigurer.sessionCreationPolicy(SessionCreationPolicy.NEVER))
 				.oauth2ResourceServer(oauth2 -> oauth2.authenticationManagerResolver(authenticationManagerResolver));
 		return tempHttp.build();

dmp-backend/web/src/main/java/eu/eudat/interceptors/UserInterceptor.java

@@ -1,14 +1,18 @@
 package eu.eudat.interceptors;
 
 
+import eu.eudat.commons.enums.ProviderType;
+import eu.eudat.commons.enums.Status;
 import eu.eudat.commons.scope.UserScope;
-import eu.eudat.data.entities.Credential;
+import eu.eudat.data.CredentialEntity;
 import eu.eudat.data.entities.UserInfo;
 import eu.eudat.data.entities.UserRole;
 import eu.eudat.exceptions.security.NullEmailException;
+import eu.eudat.query.CredentialQuery;
 import eu.eudat.types.Authorities;
 import gr.cite.commons.web.oidc.principal.CurrentPrincipalResolver;
 import gr.cite.commons.web.oidc.principal.extractor.ClaimExtractor;
+import gr.cite.tools.data.query.QueryFactory;
 import gr.cite.tools.exception.MyApplicationException;
 import gr.cite.tools.logging.LoggerService;
 import jakarta.persistence.EntityManager;
@@ -50,7 +54,7 @@ public class UserInterceptor implements WebRequestInterceptor {
 
 	@Autowired
 	public UserInterceptor(
-			UserScope userScope,
+			UserScope userScope, 
 			ClaimExtractor claimExtractor,
 			CurrentPrincipalResolver currentPrincipalResolver,
 			PlatformTransactionManager transactionManager,
@@ -68,7 +72,6 @@ public class UserInterceptor implements WebRequestInterceptor {
 		UUID userId = null;
 		if (this.currentPrincipalResolver.currentPrincipal().isAuthenticated()) {
 			String subjectId = this.claimExtractor.subjectString(this.currentPrincipalResolver.currentPrincipal());
-
 			UserInterceptorCacheService.UserInterceptorCacheValue cacheValue = this.userInterceptorCacheService.lookup(this.userInterceptorCacheService.buildKey(subjectId));
 			if (cacheValue != null) {
 				userId = cacheValue.getUserId();
@@ -94,15 +97,15 @@ public class UserInterceptor implements WebRequestInterceptor {
 	private UUID getUserIdFromDatabaseBySubject(String subjectId)  {
 		CriteriaBuilder credentialCriteriaBuilder = this.entityManager.getCriteriaBuilder();
 		CriteriaQuery<Tuple> credentialQuery = credentialCriteriaBuilder.createQuery(Tuple.class);
-		Root<Credential> credentialRoot = credentialQuery.from(Credential.class);
+		Root<CredentialEntity> credentialRoot = credentialQuery.from(CredentialEntity.class);
 		credentialQuery.where(
 				credentialCriteriaBuilder.and(
-						credentialCriteriaBuilder.equal(credentialRoot.get(Credential._externalId), subjectId),
-						credentialCriteriaBuilder.equal(credentialRoot.get(Credential._status), 1), //TODO: Authn
-						credentialCriteriaBuilder.equal(credentialRoot.get(Credential._provider), 128)
+						credentialCriteriaBuilder.equal(credentialRoot.get(CredentialEntity._externalId), subjectId),
+						credentialCriteriaBuilder.equal(credentialRoot.get(CredentialEntity._status), Status.Active),
+						credentialCriteriaBuilder.equal(credentialRoot.get(CredentialEntity._provider), ProviderType.Keycloack)
 				));
 
-		credentialQuery.multiselect(credentialRoot.get(Credential._userInfo).get(UserInfo._id).alias(UserInfo._id));
+		credentialQuery.multiselect(credentialRoot.get(CredentialEntity._userId).alias(UserInfo._id));
 
 		List<Tuple> results = this.entityManager.createQuery(credentialQuery).getResultList();
 		return this.getUUIDFromTuple(results, UserInfo._id);
@@ -194,17 +197,17 @@ public class UserInterceptor implements WebRequestInterceptor {
 			user.setAdditionalinfo("{\"data\":{\"avatar\":{\"url\":\"\"},\"zenodoToken\":\"\", \"expirationDate\": \"\", \"zenodoRefresh\": \"\", \"zenodoEmail\": \"\"}}"); //TODO: Authn
 		}
 
-		Credential credential = new Credential();
-		credential.setId(UUID.randomUUID());
-		credential.setUserInfo(user);
-		credential.setSecret(subjectId);
-		credential.setCreationTime(new Date());
-		credential.setLastUpdateTime(new Date());
-		credential.setStatus(1);
-		credential.setProvider(128);//TODO: Authn
-		credential.setExternalId(subjectId);
-		credential.setEmail(email);
-		credential.setPublicValue(email);
+		CredentialEntity credentialEntity = new CredentialEntity();
+		credentialEntity.setId(UUID.randomUUID());
+		credentialEntity.setUserId(user.getId());
+		credentialEntity.setSecret(subjectId);
+		credentialEntity.setCreationTime(new Date());
+		credentialEntity.setLastUpdateTime(new Date());
+		credentialEntity.setStatus(Status.Active);
+		credentialEntity.setProvider(ProviderType.Keycloack);//TODO: Authn
+		credentialEntity.setExternalId(subjectId);
+		credentialEntity.setEmail(email);
+		credentialEntity.setPublicValue(email);
 
 
 		DefaultTransactionDefinition definition = new DefaultTransactionDefinition();
@@ -218,12 +221,12 @@ public class UserInterceptor implements WebRequestInterceptor {
 				user = this.entityManager.merge(user);
 				this.entityManager.flush();
 				userRole.setUserInfo(user);
-				credential.setUserInfo(user);
+				credentialEntity.setUserId(user.getId());
 				this.entityManager.merge(userRole);
-				this.entityManager.merge(credential);
+				this.entityManager.merge(credentialEntity);
 			} else {
 				this.entityManager.persist(user);
-				this.entityManager.persist(credential);
+				this.entityManager.persist(credentialEntity);
 			}
 			this.entityManager.flush();
 			transactionManager.commit(status);

dmp-backend/web/src/main/java/eu/eudat/logic/builders/entity/CredentialBuilder.java

@@ -1,7 +1,9 @@
 package eu.eudat.logic.builders.entity;
 
+import eu.eudat.commons.enums.ProviderType;
+import eu.eudat.commons.enums.Status;
+import eu.eudat.data.CredentialEntity;
 import eu.eudat.logic.builders.Builder;
-import eu.eudat.data.entities.Credential;
 import eu.eudat.data.entities.UserInfo;
 
 import java.util.Date;
@@ -10,15 +12,15 @@ import java.util.UUID;
 /**
  * Created by ikalyvas on 2/15/2018.
  */
-public class CredentialBuilder extends Builder<Credential> {
+public class CredentialBuilder extends Builder<CredentialEntity> {
 
     private UUID id;
 
     private UserInfo userInfo;
 
-    private Integer status;
+    private Status status;
 
-    private Integer provider;
+    private ProviderType provider;
 
     private String publicValue;
 
@@ -42,12 +44,12 @@ public class CredentialBuilder extends Builder<Credential> {
         return this;
     }
 
-    public CredentialBuilder status(Integer status) {
+    public CredentialBuilder status(Status status) {
         this.status = status;
         return this;
     }
 
-    public CredentialBuilder provider(Integer provider) {
+    public CredentialBuilder provider(ProviderType provider) {
         this.provider = provider;
         return this;
     }
@@ -82,15 +84,15 @@ public class CredentialBuilder extends Builder<Credential> {
         return this;
     }
 
-    public Credential build() {
-        Credential credential = new Credential();
+    public CredentialEntity build() {
+        CredentialEntity credential = new CredentialEntity();
         credential.setStatus(status);
         credential.setLastUpdateTime(lastUpdateTime);
         credential.setCreationTime(creationTime);
         credential.setProvider(provider);
         credential.setSecret(secret);
         credential.setPublicValue(publicValue);
-        credential.setUserInfo(userInfo);
+        credential.setUserId(userInfo.getId());
         credential.setId(id);
         credential.setExternalId(externalId);
         credential.setEmail(email);

dmp-backend/web/src/main/java/eu/eudat/logic/builders/entity/UserInfoBuilder.java

@@ -1,7 +1,7 @@
 package eu.eudat.logic.builders.entity;
 
+import eu.eudat.data.CredentialEntity;
 import eu.eudat.logic.builders.Builder;
-import eu.eudat.data.entities.Credential;
 import eu.eudat.data.entities.DMP;
 import eu.eudat.data.entities.UserInfo;
 import eu.eudat.data.entities.UserRole;
@@ -36,7 +36,7 @@ public class UserInfoBuilder extends Builder<UserInfo> {
 
     private Set<DMP> dmps;
 
-    private Set<Credential> credentials = new HashSet<>();
+    private Set<CredentialEntity> credentials = new HashSet<>();
 
     private Set<UserRole> userRoles = new HashSet<>();
 
@@ -92,7 +92,7 @@ public class UserInfoBuilder extends Builder<UserInfo> {
         return this;
     }
 
-    public UserInfoBuilder credentials(Set<Credential> credentials) {
+    public UserInfoBuilder credentials(Set<CredentialEntity> credentials) {
         this.credentials = credentials;
         return this;
     }

dmp-backend/web/src/main/java/eu/eudat/logic/managers/EmailConfirmationManager.java

@@ -1,6 +1,6 @@
 package eu.eudat.logic.managers;
 
-import eu.eudat.data.entities.Credential;
+import eu.eudat.data.CredentialEntity;
 import eu.eudat.data.entities.EmailConfirmation;
 import eu.eudat.data.entities.UserInfo;
 import eu.eudat.exceptions.emailconfirmation.HasConfirmedEmailException;
@@ -45,7 +45,7 @@ public class EmailConfirmationManager {
 		// Checks if mail is used by another user. If it is, merges the new the old.
 		Long existingUsers = databaseRepository.getUserInfoDao().asQueryable().where((builder, root) -> builder.equal(root.get("email"), loginConfirmationEmail.getEmail())).count();
 		if (existingUsers > 0) {
-			Credential credential = databaseRepository.getCredentialDao().asQueryable().where((builder, root) -> builder.equal(root.get("userInfo"), user)).getSingle();
+			CredentialEntity credential = databaseRepository.getCredentialDao().asQueryable().where((builder, root) -> builder.equal(root.get("userId"), user.getId())).getSingle();
 			credential.setEmail(loginConfirmationEmail.getEmail());
 			databaseRepository.getCredentialDao().createOrUpdate(credential);
 			UserInfo oldUser = databaseRepository.getUserInfoDao().asQueryable().where((builder, root) -> builder.equal(root.get("email"), loginConfirmationEmail.getEmail())).getSingle();
@@ -57,7 +57,7 @@ public class EmailConfirmationManager {
 
 		user.setEmail(loginConfirmationEmail.getEmail());
 		databaseRepository.getUserInfoDao().createOrUpdate(user);
-		Credential credential = databaseRepository.getCredentialDao().asQueryable()
+		CredentialEntity credential = databaseRepository.getCredentialDao().asQueryable()
 				.where((builder, root) -> builder.equal(root.get("userInfo"), user)).getSingle();
 		if(credential.getEmail() == null){
 			credential.setEmail(user.getEmail());
@@ -80,8 +80,8 @@ public class EmailConfirmationManager {
 	}
 
 	private void mergeNewUserToOld(UserInfo newUser, UserInfo oldUser) {
-		Credential credential = databaseRepository.getCredentialDao().asQueryable().where((builder, root) -> builder.equal(root.get("userInfo"), newUser)).getSingle();
-		credential.setUserInfo(oldUser);
+		CredentialEntity credential = databaseRepository.getCredentialDao().asQueryable().where((builder, root) -> builder.equal(root.get("userId"), newUser.getId())).getSingle();
+		credential.setUserId(oldUser.getId());
 		databaseRepository.getCredentialDao().createOrUpdate(credential);
 	}
 }

dmp-backend/web/src/main/java/eu/eudat/logic/managers/MergeEmailConfirmationManager.java

@@ -1,6 +1,6 @@
 package eu.eudat.logic.managers;
 
-import eu.eudat.data.entities.Credential;
+import eu.eudat.data.CredentialEntity;
 import eu.eudat.data.entities.EmailConfirmation;
 import eu.eudat.data.entities.UserDMP;
 import eu.eudat.data.entities.UserInfo;
@@ -86,8 +86,8 @@ public class MergeEmailConfirmationManager {
 
 	@Transactional
 	private void mergeNewUserToOld(UserInfo newUser, UserInfo oldUser, Integer provider) {
-		Credential credential = databaseRepository.getCredentialDao().asQueryable().where((builder, root) -> builder.and(builder.equal(root.get("userInfo"), oldUser), builder.equal(root.get("provider"), provider))).getSingle();
-		credential.setUserInfo(newUser);
+		CredentialEntity credential = databaseRepository.getCredentialDao().asQueryable().where((builder, root) -> builder.and(builder.equal(root.get("userId"), oldUser.getId()), builder.equal(root.get("provider"), provider))).getSingle();
+		credential.setUserId(newUser.getId());
 		databaseRepository.getCredentialDao().createOrUpdate(credential);
 		List<UserDMP> userDmps = databaseRepository.getUserDmpDao().asQueryable().where((builder, root) -> builder.equal(root.get("user"), oldUser)).toList();
 		userDmps.forEach(userDmp -> {
@@ -128,7 +128,7 @@ public class MergeEmailConfirmationManager {
 		}
 		oldUser.setUserStatus((short)1);
 		oldUser.setEmail(null);
-		List<Credential> credentials = databaseRepository.getCredentialDao().asQueryable().where((builder, root) -> builder.equal(root.get("userInfo"), oldUser)).toList();
+		List<CredentialEntity> credentials = databaseRepository.getCredentialDao().asQueryable().where((builder, root) -> builder.equal(root.get("userId"), oldUser.getId())).toList();
 		credentials.forEach(cred -> {
 			if (cred.getId() != credential.getId()) {
 				databaseRepository.getCredentialDao().delete(cred);

dmp-backend/web/src/main/java/eu/eudat/logic/managers/UnlinkEmailConfirmationManager.java

@@ -2,7 +2,7 @@ package eu.eudat.logic.managers;
 
 import com.fasterxml.jackson.core.type.TypeReference;
 import com.fasterxml.jackson.databind.ObjectMapper;
-import eu.eudat.data.entities.Credential;
+import eu.eudat.data.CredentialEntity;
 import eu.eudat.data.entities.EmailConfirmation;
 import eu.eudat.data.entities.UserInfo;
 import eu.eudat.exceptions.emailconfirmation.HasConfirmedEmailException;
@@ -64,7 +64,7 @@ public class UnlinkEmailConfirmationManager {
 
     @Transactional
     private void unlinkUser(String emailTobeUnlinked, Integer provider){
-        Credential credential = databaseRepository.getCredentialDao().asQueryable()
+        CredentialEntity credential = databaseRepository.getCredentialDao().asQueryable()
                 .where((builder, root) -> builder.and(builder.equal(root.get("email"), emailTobeUnlinked), builder.equal(root.get("provider"), provider))).getSingle();
         if(credential != null) {
             databaseRepository.getCredentialDao().delete(credential);

dmp-backend/web/src/main/java/eu/eudat/logic/managers/UserManager.java

@@ -1,6 +1,7 @@
 package eu.eudat.logic.managers;
 
 import com.fasterxml.jackson.databind.ObjectMapper;
+import eu.eudat.data.CredentialEntity;
 import eu.eudat.data.dao.criteria.DataManagementPlanCriteria;
 import eu.eudat.data.dao.entities.UserInfoDao;
 import eu.eudat.data.entities.*;
@@ -89,7 +90,7 @@ public class UserManager {
 	public List<UserCredential> getCredentials(UUID userId) {
 		List<UserCredential> results = new ArrayList<>();
 		eu.eudat.data.entities.UserInfo user = apiContext.getOperationsContext().getDatabaseRepository().getUserInfoDao().find(userId);
-		List<Credential> credentials = apiContext.getOperationsContext().getDatabaseRepository().getCredentialDao().asQueryable().where((builder, root) -> builder.equal(root.get("userInfo"), user)).toList();
+		List<CredentialEntity> credentials = apiContext.getOperationsContext().getDatabaseRepository().getCredentialDao().asQueryable().where((builder, root) -> builder.equal(root.get("userInfo"), user)).toList();
 		credentials.forEach(credential -> {
 			UserCredential userCredential = new UserCredential();
 			userCredential.setEmail(credential.getEmail());

dmp-backend/web/src/main/java/eu/eudat/models/data/userinfo/UserCredential.java

@@ -1,18 +1,20 @@
 package eu.eudat.models.data.userinfo;
 
+import eu.eudat.commons.enums.ProviderType;
+
 public class UserCredential {
 	private String email;
-	private Integer provider;
+	private ProviderType provider;
 	public String getEmail() {
 		return email;
 	}
 	public void setEmail(String email) {
 		this.email = email;
 	}
-	public Integer getProvider() {
+	public ProviderType getProvider() {
 		return provider;
 	}
-	public void setProvider(Integer provider) {
+	public void setProvider(ProviderType provider) {
 		this.provider = provider;
 	}
 	

dmp-frontend/src/app/core/services/language/language.service.ts

@@ -35,11 +35,11 @@ export class LanguageService {
 
 	public getCurrentLanguageJSON(): Observable<HttpResponse<Blob>> {
 		const params = new BaseHttpParams();
-		params.interceptorContext = {
-			excludedInterceptors: [
-				InterceptorType.AuthToken,
-			]
-		};
+		// params.interceptorContext = {
+		// 	excludedInterceptors: [
+		// 		InterceptorType.AuthToken,
+		// 	]
+		// };
 		return this.http.get(`${this.publicApiBase}/${this.currentLanguage}`, { params: params, responseType: 'blob', observe: 'response' });
 	}
 

dmp-frontend/src/app/core/services/language/server.loader.ts

@@ -17,11 +17,11 @@ export class TranslateServerLoader implements TranslateLoader{
 	}
 	getTranslation(lang: string): Observable<any> {
 		const params = new BaseHttpParams();
-		params.interceptorContext = {
-			excludedInterceptors: [
-				InterceptorType.AuthToken,
-			]
-		};
+		// params.interceptorContext = {
+		// 	excludedInterceptors: [
+		// 		InterceptorType.AuthToken,
+		// 	]
+		// };
 		return this.http.get(`${this.apiBase}/${lang}`,  { params: params });
 	}
 }

dmp-frontend/src/assets/config/config.json

@@ -52,12 +52,12 @@
 	],
 	"keycloak": {
 		"enabled": true,
-		"address": "http://dev03.local.cite.gr:60201/auth",
-		"realm": "dmp-development",
+		"address": "",
+		"realm": "",
 		"flow": "standard",
-		"clientId": "dmp_webapp",
+		"clientId": "",
 		"silentCheckSsoRedirectUri": "http://localhost:4200/assets/silent-check-sso.html",
-		"scope": "openid profile email address phone dmp_web",
+		"scope": "openid profile email address phone",
 		"clientSecret": null,
 		"grantType": "code"
 	},