Replace calls to deprecated RealmModel IDP methods

- use the new provider instead

Closes #31254

Signed-off-by: Stefan Guilhen <sguilhen@redhat.com>

model/infinispan/src/main/java/org/keycloak/models/cache/infinispan/idp/InfinispanIDPProvider.java

@@ -88,6 +88,8 @@ public class InfinispanIDPProvider implements IDPProvider {
 
     @Override
     public IdentityProviderModel getById(String internalId) {
+        if (internalId == null)
+            return null;
         CachedIdentityProvider cached = realmCache.getCache().get(internalId, CachedIdentityProvider.class);
         String realmId = getRealm().getId();
         if (cached != null && !cached.getRealm().equals(realmId)) {
@@ -130,6 +132,11 @@ public class InfinispanIDPProvider implements IDPProvider {
         return cached.getIdentityProvider();
     }
 
+    @Override
+    public Stream<String> getByFlow(String flowId, String search, Integer first, Integer max) {
+        return idpDelegate.getByFlow(flowId, search, first, max);
+    }
+
     @Override
     public Stream<IdentityProviderModel> getAllStream(String search, Integer first, Integer max) {
         return idpDelegate.getAllStream(search, first, max);

model/jpa/src/main/java/org/keycloak/models/jpa/JpaIDPProvider.java

@@ -28,10 +28,11 @@ import jakarta.persistence.TypedQuery;
 import jakarta.persistence.criteria.CriteriaBuilder;
 import jakarta.persistence.criteria.CriteriaDelete;
 import jakarta.persistence.criteria.CriteriaQuery;
-import jakarta.persistence.criteria.Join;
+import jakarta.persistence.criteria.MapJoin;
-import jakarta.persistence.criteria.JoinType;
 import jakarta.persistence.criteria.Predicate;
 import jakarta.persistence.criteria.Root;
+import org.apache.commons.lang3.StringUtils;
+import org.hibernate.Session;
 import org.jboss.logging.Logger;
 import org.keycloak.broker.provider.IdentityProvider;
 import org.keycloak.broker.provider.IdentityProviderFactory;
@@ -46,6 +47,11 @@ import org.keycloak.models.jpa.entities.IdentityProviderEntity;
 import org.keycloak.models.utils.KeycloakModelUtils;
 import org.keycloak.utils.StringUtil;
 
+import static org.keycloak.models.IdentityProviderModel.ALIAS;
+import static org.keycloak.models.IdentityProviderModel.AUTHENTICATE_BY_DEFAULT;
+import static org.keycloak.models.IdentityProviderModel.ENABLED;
+import static org.keycloak.models.IdentityProviderModel.FIRST_BROKER_LOGIN_FLOW_ID;
+import static org.keycloak.models.IdentityProviderModel.POST_BROKER_LOGIN_FLOW_ID;
 import static org.keycloak.models.jpa.PaginationUtils.paginateQuery;
 import static org.keycloak.utils.StreamsUtil.closing;
 
@@ -203,21 +209,10 @@ public class JpaIDPProvider implements IDPProvider {
         predicates.add(builder.equal(idp.get("realmId"), getRealm().getId()));
 
         if (StringUtil.isNotBlank(search)) {
-            if (search.startsWith("\"") && search.endsWith("\"")) {
+            predicates.add(this.getAliasSearchPredicate(search, builder, idp));
-                // exact search - alias must be an exact match
-                search = search.substring(1, search.length() - 1);
-                predicates.add(builder.equal(idp.get("alias"), search));
-            } else {
-                search = search.replace("%", "\\%").replace("_", "\\_").replace("*", "%");
-                if (!search.endsWith("%")) {
-                    search += "%"; // default to prefix search
-                }
-
-                predicates.add(builder.like(builder.lower(idp.get("alias")), search.toLowerCase(), '\\'));
-            }
         }
 
-        query.orderBy(builder.asc(idp.get("alias")));
+        query.orderBy(builder.asc(idp.get(ALIAS)));
         TypedQuery<IdentityProviderEntity> typedQuery = em.createQuery(query.select(idp).where(predicates.toArray(Predicate[]::new)));
         return closing(paginateQuery(typedQuery, first, max).getResultStream()).map(this::toModel);
     }
@@ -233,21 +228,74 @@ public class JpaIDPProvider implements IDPProvider {
 
         if (attrs != null) {
             for (Map.Entry<String, String> entry : attrs.entrySet()) {
-                if (StringUtil.isBlank(entry.getKey())) {
+                String key = entry.getKey();
+                String value = entry.getValue();
+                if (StringUtil.isBlank(key)) {
                     continue;
                 }
-                Join<IdentityProviderEntity, Object> configJoin = idp.join("config", JoinType.LEFT);
+                switch(key) {
-                predicates.add(builder.and(
+                    case ENABLED:
-                        builder.equal(configJoin.get("name"), entry.getKey()),
+                    case AUTHENTICATE_BY_DEFAULT: {
-                        builder.equal(configJoin.get("value"), entry.getValue())));
+                        predicates.add(builder.equal(idp.get(key), Boolean.valueOf(value)));
+                        break;
+                    } case FIRST_BROKER_LOGIN_FLOW_ID: {
+                        if (StringUtils.isBlank(value)) {
+                            predicates.add(builder.isNull(idp.get(key)));
+                        } else {
+                            predicates.add(builder.equal(idp.get(key), value));
+                        }
+                        break;
+                    } default: {
+                        String dbProductName = em.unwrap(Session.class).doReturningWork(connection -> connection.getMetaData().getDatabaseProductName());
+                        MapJoin<IdentityProviderEntity, String, String> configJoin = idp.joinMap("config");
+                        Predicate configNamePredicate = builder.equal(configJoin.key(), key);
+
+                        if (dbProductName.equals("Oracle")) {
+                            // SELECT * FROM identity_provider_config WHERE ... DBMS_LOB.COMPARE(value, '0') = 0 ...;
+                            // Oracle is not able to compare a CLOB with a VARCHAR unless it being converted with TO_CHAR
+                            // But for this all values in the table need to be smaller than 4K, otherwise the cast will fail with
+                            // "ORA-22835: Buffer too small for CLOB to CHAR" (even if it is in another row).
+                            // This leaves DBMS_LOB.COMPARE as the option to compare the CLOB with the value.
+                            Predicate configValuePredicate = builder.equal(builder.function("DBMS_LOB.COMPARE", Integer.class, configJoin.value(), builder.literal(value)), 0);
+                            predicates.add(builder.and(configNamePredicate, configValuePredicate));
+                        } else {
+                            predicates.add(builder.and(configNamePredicate, builder.equal(configJoin.value(), value)));
+                        }
+                    }
+                }
             }
         }
 
-        query.orderBy(builder.asc(idp.get("alias")));
+        query.orderBy(builder.asc(idp.get(ALIAS)));
         TypedQuery<IdentityProviderEntity> typedQuery = em.createQuery(query.select(idp).where(predicates.toArray(Predicate[]::new)));
         return closing(paginateQuery(typedQuery, first, max).getResultStream()).map(this::toModel);
     }
 
+    @Override
+    public Stream<String> getByFlow(String flowId, String search, Integer first, Integer max) {
+        CriteriaBuilder builder = em.getCriteriaBuilder();
+        CriteriaQuery<String> query = builder.createQuery(String.class);
+        Root<IdentityProviderEntity> idp = query.from(IdentityProviderEntity.class);
+
+        List<Predicate> predicates = new ArrayList<>();
+        predicates.add(builder.equal(idp.get("realmId"), getRealm().getId()));
+
+        if (StringUtil.isNotBlank(flowId)) {
+            predicates.add(builder.or(
+                    builder.equal(idp.get(FIRST_BROKER_LOGIN_FLOW_ID), flowId),
+                    builder.equal(idp.get(POST_BROKER_LOGIN_FLOW_ID), flowId)
+            ));
+        }
+
+        if (StringUtil.isNotBlank(search)) {
+            predicates.add(this.getAliasSearchPredicate(search, builder, idp));
+        }
+
+        query.orderBy(builder.asc(idp.get(ALIAS)));
+        TypedQuery<String> typedQuery = em.createQuery(query.select(idp.get(ALIAS)).where(predicates.toArray(Predicate[]::new)));
+        return closing(paginateQuery(typedQuery, first, max).getResultStream());
+    }
+
     @Override
     public long count() {
         CriteriaBuilder builder = em.getCriteriaBuilder();
@@ -263,6 +311,13 @@ public class JpaIDPProvider implements IDPProvider {
     }
 
     private IdentityProviderEntity getEntityById(String id, boolean failIfNotFound) {
+        if (id == null) {
+            if (failIfNotFound) {
+                throw new ModelException("Identity Provider with null internal id does not exist");
+            }
+            return null;
+        }
+
         IdentityProviderEntity entity = em.find(IdentityProviderEntity.class, id);
         if (entity == null) {
             if (failIfNotFound) {
@@ -284,7 +339,7 @@ public class JpaIDPProvider implements IDPProvider {
         Root<IdentityProviderEntity> idp = query.from(IdentityProviderEntity.class);
 
         Predicate predicate = builder.and(builder.equal(idp.get("realmId"), getRealm().getId()),
-                builder.equal(idp.get("alias"), alias));
+                builder.equal(idp.get(ALIAS), alias));
 
         TypedQuery<IdentityProviderEntity> typedQuery = em.createQuery(query.select(idp).where(predicate));
         try {
@@ -294,6 +349,20 @@ public class JpaIDPProvider implements IDPProvider {
         }
     }
 
+    private Predicate getAliasSearchPredicate(String search, CriteriaBuilder builder, Root<IdentityProviderEntity> idp) {
+        if (search.startsWith("\"") && search.endsWith("\"")) {
+            // exact search - alias must be an exact match
+            search = search.substring(1, search.length() - 1);
+            return builder.equal(idp.get(ALIAS), search);
+        } else {
+            search = search.replace("%", "\\%").replace("_", "\\_").replace("*", "%");
+            if (!search.endsWith("%")) {
+                search += "%"; // default to prefix search
+            }
+            return builder.like(builder.lower(idp.get(ALIAS)), search.toLowerCase(), '\\');
+        }
+    }
+
     private IdentityProviderModel toModel(IdentityProviderEntity entity) {
         if (entity == null) {
             return null;

model/jpa/src/main/java/org/keycloak/models/jpa/RealmAdapter.java

@@ -1508,7 +1508,7 @@ public class RealmAdapter implements StorageProviderRealmModel, JpaModel<RealmEn
 
     @Override
     public void removeAuthenticationFlow(AuthenticationFlowModel model) {
-        if (KeycloakModelUtils.isFlowUsed(this, model)) {
+        if (KeycloakModelUtils.isFlowUsed(session,this, model)) {
             throw new ModelException("Cannot remove authentication flow, it is currently in use");
         }
         AuthenticationFlowEntity entity = getAuthenticationFlowEntity(model.getId(), true);

model/jpa/src/main/java/org/keycloak/organization/jpa/JpaOrganizationProvider.java

@@ -333,7 +333,7 @@ public class JpaOrganizationProvider implements OrganizationProvider {
         }
 
         identityProvider.setOrganizationId(organizationEntity.getId());
-        getRealm().updateIdentityProvider(identityProvider);
+        session.identityProviders().update(identityProvider);
 
         return true;
     }
@@ -345,7 +345,7 @@ public class JpaOrganizationProvider implements OrganizationProvider {
 
         OrganizationEntity organizationEntity = getEntity(organization.getId());
 
-        return getRealm().getIdentityProvidersStream().filter(model -> organizationEntity.getId().equals(model.getOrganizationId()));
+        return session.identityProviders().getByOrganization(organizationEntity.getId(), null, null);
     }
 
     @Override
@@ -362,7 +362,7 @@ public class JpaOrganizationProvider implements OrganizationProvider {
         identityProvider.setOrganizationId(null);
         identityProvider.getConfig().remove(ORGANIZATION_DOMAIN_ATTRIBUTE);
         identityProvider.getConfig().remove(BROKER_PUBLIC);
-        getRealm().updateIdentityProvider(identityProvider);
+        session.identityProviders().update(identityProvider);
 
         return true;
     }
@@ -510,9 +510,7 @@ public class JpaOrganizationProvider implements OrganizationProvider {
 
     // return true only if the organization realm and the identity provider realm is the same
     private boolean checkOrgIdpAndRealm(OrganizationEntity orgEntity, IdentityProviderModel idp) {
-        RealmModel orgRealm = session.realms().getRealm(orgEntity.getRealmId());
+        IdentityProviderModel orgIdpByAlias = session.identityProviders().getByAlias(idp.getAlias());
-        IdentityProviderModel orgIdpByAlias = orgRealm.getIdentityProviderByAlias(idp.getAlias());
-
         return orgIdpByAlias != null && orgIdpByAlias.getInternalId().equals(idp.getInternalId());
     }
 

model/jpa/src/main/java/org/keycloak/organization/jpa/OrganizationAdapter.java

@@ -195,7 +195,7 @@ public final class OrganizationAdapter implements OrganizationModel, JpaModel<Or
                         .filter(idp -> Objects.equals(domainEntity.getName(), idp.getConfig().get(ORGANIZATION_DOMAIN_ATTRIBUTE)))
                         .forEach(idp -> {
                             idp.getConfig().remove(ORGANIZATION_DOMAIN_ATTRIBUTE);
-                            realm.updateIdentityProvider(idp);
+                            session.identityProviders().update(idp);
                         });
             }
         }

model/storage-private/src/main/java/org/keycloak/migration/migrators/MigrateTo1_7_0.java

@@ -17,10 +17,13 @@
 
 package org.keycloak.migration.migrators;
 
+import java.util.Map;
+
 import org.keycloak.migration.MigrationProvider;
 import org.keycloak.migration.ModelVersion;
 import org.keycloak.models.AuthenticationFlowModel;
 import org.keycloak.models.Constants;
+import org.keycloak.models.IdentityProviderModel;
 import org.keycloak.models.KeycloakSession;
 import org.keycloak.models.RealmModel;
 import org.keycloak.models.utils.DefaultAuthenticationFlows;
@@ -38,12 +41,20 @@ public class MigrateTo1_7_0 implements Migration {
     }
 
     public void migrate(KeycloakSession session) {
-        session.realms().getRealmsStream().forEach(realm -> migrateRealm(session, realm));
+        RealmModel sessionRealm = session.getContext().getRealm();
+        session.realms().getRealmsStream().forEach(realm -> {
+            session.getContext().setRealm(realm);
+            migrateRealm(session, realm);
+        });
+        session.getContext().setRealm(sessionRealm);
     }
 
     @Override
     public void migrateImport(KeycloakSession session, RealmModel realm, RealmRepresentation rep, boolean skipUserDependent) {
+        RealmModel sessionRealm = session.getContext().getRealm();
+        session.getContext().setRealm(realm);
         migrateRealm(session, realm);
+        session.getContext().setRealm(sessionRealm);
     }
 
     protected void migrateRealm(KeycloakSession session, RealmModel realm) {
@@ -58,11 +69,10 @@ public class MigrateTo1_7_0 implements Migration {
         DefaultAuthenticationFlows.migrateFlows(realm);
         AuthenticationFlowModel firstBrokerLoginFlow = realm.getFlowByAlias(DefaultAuthenticationFlows.FIRST_BROKER_LOGIN_FLOW);
 
-        realm.getIdentityProvidersStream()
+        session.identityProviders().getAllStream(Map.of(IdentityProviderModel.FIRST_BROKER_LOGIN_FLOW_ID, ""), null, null)
-                .filter(provider -> provider.getFirstBrokerLoginFlowId() == null)
+                    .forEach(provider -> {
-                .forEach(provider -> {
+                        provider.setFirstBrokerLoginFlowId(firstBrokerLoginFlow.getId());
-                    provider.setFirstBrokerLoginFlowId(firstBrokerLoginFlow.getId());
+                        session.identityProviders().update(provider);
-                    realm.updateIdentityProvider(provider);
                 });
     }
 }

model/storage-private/src/main/java/org/keycloak/migration/migrators/MigrateTo2_2_0.java

@@ -17,6 +17,8 @@
 
 package org.keycloak.migration.migrators;
 
+import java.util.Map;
+
 import org.jboss.logging.Logger;
 import org.keycloak.migration.ModelVersion;
 import org.keycloak.models.IdentityProviderModel;
@@ -35,23 +37,27 @@ public class MigrateTo2_2_0 implements Migration {
     }
 
     public void migrate(KeycloakSession session) {
-        session.realms().getRealmsStream().forEach(this::addIdentityProviderAuthenticator);
+        RealmModel sessionRealm = session.getContext().getRealm();
+        session.realms().getRealmsStream().forEach(realm -> {
+            session.getContext().setRealm(realm);
+            addIdentityProviderAuthenticator(session, realm);
+        });
+        session.getContext().setRealm(sessionRealm);
     }
 
     @Override
     public void migrateImport(KeycloakSession session, RealmModel realm, RealmRepresentation rep, boolean skipUserDependent) {
-        addIdentityProviderAuthenticator(realm);
+        RealmModel sessionRealm = session.getContext().getRealm();
-
+        session.getContext().setRealm(realm);
+        addIdentityProviderAuthenticator(session, realm);
+        session.getContext().setRealm(sessionRealm);
     }
 
-    private void addIdentityProviderAuthenticator(RealmModel realm) {
+    private void addIdentityProviderAuthenticator(KeycloakSession session, RealmModel realm) {
-        String defaultProvider = realm.getIdentityProvidersStream()
+        String defaultProvider = session.identityProviders()
-                .filter(IdentityProviderModel::isEnabled)
+                .getAllStream(Map.of(IdentityProviderModel.ENABLED, "true", IdentityProviderModel.AUTHENTICATE_BY_DEFAULT, "true"), 0, 1)
-                .filter(IdentityProviderModel::isAuthenticateByDefault)
                 .map(IdentityProviderModel::getAlias)
-                .findFirst()
+                .findFirst().orElse(null);
-                .orElse(null);
-
         DefaultAuthenticationFlows.addIdentityProviderAuthenticator(realm, defaultProvider);
     }
 

model/storage-private/src/main/java/org/keycloak/storage/datastore/DefaultExportImportManager.java

@@ -556,7 +556,7 @@ public class DefaultExportImportManager implements ExportImportManager {
     private static void importIdentityProviders(RealmRepresentation rep, RealmModel newRealm, KeycloakSession session) {
         if (rep.getIdentityProviders() != null) {
             for (IdentityProviderRepresentation representation : rep.getIdentityProviders()) {
-                newRealm.addIdentityProvider(RepresentationToModel.toModel(newRealm, representation, session));
+                session.identityProviders().create(RepresentationToModel.toModel(newRealm, representation, session));
             }
         }
     }
@@ -1595,7 +1595,7 @@ public class DefaultExportImportManager implements ExportImportManager {
                 org.setDomains(orgRep.getDomains().stream().map(r -> new OrganizationDomainModel(r.getName(), r.isVerified())).collect(Collectors.toSet()));
 
                 for (IdentityProviderRepresentation identityProvider : Optional.ofNullable(orgRep.getIdentityProviders()).orElse(Collections.emptyList())) {
-                    IdentityProviderModel idp = newRealm.getIdentityProviderByAlias(identityProvider.getAlias());
+                    IdentityProviderModel idp = session.identityProviders().getByAlias(identityProvider.getAlias());
                     provider.addIdentityProvider(org, idp);
                 }
 

rest/admin-ui-ext/src/main/java/org/keycloak/admin/ui/rest/AuthenticationManagementResource.java

@@ -64,7 +64,7 @@ public class AuthenticationManagementResource extends RoleMappingResource {
 
         return realm.getAuthenticationFlowsStream()
                 .filter(flow -> flow.isTopLevel() && !Objects.equals(flow.getAlias(), DefaultAuthenticationFlows.SAML_ECP_FLOW))
-                .map(flow -> AuthenticationMapper.convertToModel(flow, realm))
+                .map(flow -> AuthenticationMapper.convertToModel(super.session, flow, realm))
                 .collect(Collectors.toList());
 
     }
@@ -88,11 +88,11 @@ public class AuthenticationManagementResource extends RoleMappingResource {
                     )
             )}
     )
-    public final List<String> listUsed(@PathParam("id") String id, @PathParam("type") String type, @QueryParam("first") @DefaultValue("0") long first,
+    public final List<String> listUsed(@PathParam("id") String id, @PathParam("type") String type, @QueryParam("first") @DefaultValue("0") int first,
-            @QueryParam("max") @DefaultValue("10") long max, @QueryParam("search") @DefaultValue("") String search) {
+            @QueryParam("max") @DefaultValue("10") int max, @QueryParam("search") @DefaultValue("") String search) {
         auth.realm().requireViewAuthenticationFlows();
 
-        final AuthenticationFlowModel flow = realm.getAuthenticationFlowsStream().filter(f -> id.equals(f.getId())).collect(Collectors.toList()).get(0);
+        final AuthenticationFlowModel flow = realm.getAuthenticationFlowsStream().filter(f -> id.equals(f.getId())).toList().get(0);
 
         if ("clients".equals(type)) {
             final Stream<ClientModel> clients = realm.getClientsStream();
@@ -105,11 +105,7 @@ public class AuthenticationManagementResource extends RoleMappingResource {
         }
 
         if ("idp".equals(type)) {
-            final Stream<IdentityProviderModel> identityProviders = realm.getIdentityProvidersStream();
+            return session.identityProviders().getByFlow(flow.getId(), search, first, max).toList();
-            return identityProviders.filter(idp -> flow.getId().equals(idp.getFirstBrokerLoginFlowId())
-                            || flow.getId().equals(idp.getPostBrokerLoginFlowId()))
-                    .map(IdentityProviderModel::getAlias).filter(f -> f.contains(search))
-                    .skip("".equals(search) ? first : 0).limit(max).collect(Collectors.toList());
         }
 
         throw new IllegalArgumentException("Invalid type");

rest/admin-ui-ext/src/main/java/org/keycloak/admin/ui/rest/model/AuthenticationMapper.java

@@ -8,14 +8,13 @@ import java.util.stream.Stream;
 import org.keycloak.models.AuthenticationFlowModel;
 import org.keycloak.models.ClientModel;
 import org.keycloak.models.IdentityProviderModel;
+import org.keycloak.models.KeycloakSession;
 import org.keycloak.models.RealmModel;
 
 public class AuthenticationMapper {
     private static final int MAX_USED_BY = 9;
 
-    public static Authentication convertToModel(AuthenticationFlowModel flow, RealmModel realm) {
+    public static Authentication convertToModel(KeycloakSession session, AuthenticationFlowModel flow, RealmModel realm) {
-
-        final Stream<IdentityProviderModel> identityProviders = realm.getIdentityProvidersStream();
 
         final Authentication authentication = new Authentication();
         authentication.setId(flow.getId());
@@ -23,9 +22,7 @@ public class AuthenticationMapper {
         authentication.setBuiltIn(flow.isBuiltIn());
         authentication.setDescription(flow.getDescription());
 
-        final List<String> usedByIdp = identityProviders.filter(idp -> flow.getId().equals(idp.getFirstBrokerLoginFlowId())
+        final List<String> usedByIdp = session.identityProviders().getByFlow(flow.getId(), null,0, MAX_USED_BY).toList();
-                        || flow.getId().equals(idp.getPostBrokerLoginFlowId()))
-                .map(IdentityProviderModel::getAlias).limit(MAX_USED_BY).collect(Collectors.toList());
         if (!usedByIdp.isEmpty()) {
             authentication.setUsedBy(new UsedBy(UsedBy.UsedByType.SPECIFIC_PROVIDERS, usedByIdp));
         }

server-spi-private/src/main/java/org/keycloak/models/utils/KeycloakModelUtils.java

@@ -909,7 +909,7 @@ public final class KeycloakModelUtils {
      * @param model
      * @return
      */
-    public static boolean isFlowUsed(RealmModel realm, AuthenticationFlowModel model) {
+    public static boolean isFlowUsed(KeycloakSession session, RealmModel realm, AuthenticationFlowModel model) {
         AuthenticationFlowModel realmFlow = null;
 
         if ((realmFlow = realm.getBrowserFlow()) != null && realmFlow.getId().equals(model.getId())) return true;
@@ -931,9 +931,7 @@ public final class KeycloakModelUtils {
             return true;
         }
 
-        return realm.getIdentityProvidersStream().anyMatch(idp ->
+        return session.identityProviders().getByFlow(model.getId(), null,0, 1).findAny().isPresent();
-                Objects.equals(idp.getFirstBrokerLoginFlowId(), model.getId()) ||
-                        Objects.equals(idp.getPostBrokerLoginFlowId(), model.getId()));
     }
 
     /**

server-spi-private/src/main/java/org/keycloak/models/utils/ModelToRepresentation.java

@@ -504,7 +504,7 @@ public class ModelToRepresentation {
         }
 
         if (export) {
-            List<IdentityProviderRepresentation> identityProviders = realm.getIdentityProvidersStream()
+            List<IdentityProviderRepresentation> identityProviders = session.identityProviders().getAllStream()
                     .map(provider -> toRepresentation(realm, provider, export)).collect(Collectors.toList());
             rep.setIdentityProviders(identityProviders);
             List<IdentityProviderMapperRepresentation> identityProviderMappers = realm.getIdentityProviderMappersStream()

server-spi-private/src/main/java/org/keycloak/models/utils/RepresentationToModel.java

@@ -27,6 +27,7 @@ import java.util.ListIterator;
 import java.util.Map;
 import java.util.Map.Entry;
 import java.util.Objects;
+import java.util.Optional;
 import java.util.Set;
 import java.util.function.Consumer;
 import java.util.function.Function;
@@ -1643,9 +1644,8 @@ public class RepresentationToModel {
             return;
         }
 
-        IdentityProviderModel existing = realm.getIdentityProvidersStream()
+        IdentityProviderModel existing = Optional.ofNullable(session.identityProviders().getByAlias(representation.getAlias()))
-                .filter(p -> Objects.equals(p.getAlias(), representation.getAlias()) || Objects.equals(p.getInternalId(), representation.getInternalId()))
+                        .orElse(session.identityProviders().getById(representation.getInternalId()));
-                .findFirst().orElse(null);
         String orgId = existing == null ? representation.getConfig().get(OrganizationModel.ORGANIZATION_ATTRIBUTE) : existing.getOrganizationId();
 
         if (orgId != null) {

server-spi/src/main/java/org/keycloak/models/IDPProvider.java

@@ -132,6 +132,20 @@ public interface IDPProvider extends Provider {
         return getAllStream(Map.of(OrganizationModel.ORGANIZATION_ATTRIBUTE, orgId), first, max);
     }
 
+    /**
+     * Returns the aliases of all identity providers whose {@code firstBrokerLoginFlowId} or {@code postBrokerLoginFlowId}
+     * matches the provided {@code flowId}.
+     *
+     * @param flowId the id of the flow.
+     * @param search an optional {@link String} representing an identity provider alias (partial or exact). If the value is enclosed
+     *               in double quotes, the method treats it as an exact search (e.g. {@code "name"}). If the value is enclosed in
+     *               wildcards, the method treats it as an infix search (e.g. {@code *name*}). Otherwise, the method treats it as a
+     *               prefix search (i.e. {@code name*} and {@code name} return the same results).
+     * @param first the position of the first result to be processed (pagination offset). Ignored if negative or {@code null}.
+     * @param max the maximum number of results to be returned. Ignored if negative or {@code null}.
+     * @return a non-null stream of {@link IdentityProviderModel}s that match the search criteria.
+     */
+    Stream<String> getByFlow(String flowId, String search, Integer first, Integer max);
 
     /**
      * Returns the number of IDPs in the realm.

server-spi/src/main/java/org/keycloak/models/IdentityProviderModel.java

@@ -31,20 +31,22 @@ import java.util.Objects;
  */
 public class IdentityProviderModel implements Serializable {
 
+    public static final String ALIAS = "alias";
     public static final String ALLOWED_CLOCK_SKEW = "allowedClockSkew";
-    public static final String LOGIN_HINT = "loginHint";
+    public static final String AUTHENTICATE_BY_DEFAULT = "authenticateByDefault";
-    public static final String PASS_MAX_AGE = "passMaxAge";
+    public static final String CASE_SENSITIVE_ORIGINAL_USERNAME = "caseSensitiveOriginalUsername";
-
-    public static final String SYNC_MODE = "syncMode";
-    
-    public static final String HIDE_ON_LOGIN = "hideOnLoginPage";
-
-    public static final String FILTERED_BY_CLAIMS = "filteredByClaim";
     public static final String CLAIM_FILTER_NAME = "claimFilterName";
     public static final String CLAIM_FILTER_VALUE = "claimFilterValue";
     public static final String DO_NOT_STORE_USERS = "doNotStoreUsers";
+    public static final String ENABLED = "enabled";
+    public static final String FILTERED_BY_CLAIMS = "filteredByClaim";
+    public static final String FIRST_BROKER_LOGIN_FLOW_ID = "firstBrokerLoginFlowId";
+    public static final String HIDE_ON_LOGIN = "hideOnLoginPage";
+    public static final String LOGIN_HINT = "loginHint";
     public static final String METADATA_DESCRIPTOR_URL = "metadataDescriptorUrl";
-    public static final String CASE_SENSITIVE_ORIGINAL_USERNAME = "caseSensitiveOriginalUsername";
+    public static final String PASS_MAX_AGE = "passMaxAge";
+    public static final String POST_BROKER_LOGIN_FLOW_ID = "postBrokerLoginFlowId";
+    public static final String SYNC_MODE = "syncMode";
 
     private String internalId;
 
@@ -60,7 +62,7 @@ public class IdentityProviderModel implements Serializable {
     private String providerId;
 
     private boolean enabled;
-    
+
     private boolean trustEmail;
 
     private boolean storeToken;
@@ -232,14 +234,14 @@ public class IdentityProviderModel implements Serializable {
 
     /**
      * <p>Validates this configuration.
-     * 
+     *
      * <p>Sub-classes can override this method in order to enforce provider specific validations.
-     * 
+     *
      * @param realm the realm
      */
     public void validate(RealmModel realm) {
     }
-        
+
     public IdentityProviderSyncMode getSyncMode() {
         return IdentityProviderSyncMode.valueOf(getConfig().getOrDefault(SYNC_MODE, "LEGACY"));
     }
@@ -264,7 +266,7 @@ public class IdentityProviderModel implements Serializable {
         getConfig().put(PASS_MAX_AGE, String.valueOf(passMaxAge));
     }
 
-     
+
     public boolean isHideOnLogin() {
         return Boolean.valueOf(getConfig().get(HIDE_ON_LOGIN));
     }

services/src/main/java/org/keycloak/authentication/authenticators/broker/util/SerializedBrokeredIdentityContext.java

@@ -72,7 +72,7 @@ public class SerializedBrokeredIdentityContext implements UpdateProfileContext {
     public UserProfileContext getUserProfileContext() {
         return UserProfileContext.IDP_REVIEW;
     }
-    
+
     public String getId() {
         return id;
     }
@@ -265,7 +265,7 @@ public class SerializedBrokeredIdentityContext implements UpdateProfileContext {
 
     public BrokeredIdentityContext deserialize(KeycloakSession session, AuthenticationSessionModel authSession) {
         RealmModel realm = authSession.getRealm();
-        IdentityProviderModel idpConfig = realm.getIdentityProviderByAlias(getIdentityProviderId());
+        IdentityProviderModel idpConfig = session.identityProviders().getByAlias(getIdentityProviderId());
 
         if (idpConfig == null) {
             throw new ModelException("Can't find identity provider with ID " + getIdentityProviderId() + " in realm " + realm.getName());
@@ -282,7 +282,7 @@ public class SerializedBrokeredIdentityContext implements UpdateProfileContext {
         ctx.setBrokerUserId(getBrokerUserId());
         ctx.setToken(getToken());
 
-        IdentityProvider idp = IdentityBrokerService.getIdentityProvider(session, realm, idpConfig.getAlias());
+        IdentityProvider idp = IdentityBrokerService.getIdentityProvider(session, idpConfig.getAlias());
         ctx.setIdp(idp);
 
         IdentityProviderDataMarshaller serializer = idp.getMarshaller();

services/src/main/java/org/keycloak/authentication/authenticators/browser/IdentityProviderAuthenticator.java

@@ -79,11 +79,8 @@ public class IdentityProviderAuthenticator implements Authenticator {
     }
 
     protected void redirect(AuthenticationFlowContext context, String providerId, String loginHint) {
-        Optional<IdentityProviderModel> idp = context.getRealm().getIdentityProvidersStream()
+        IdentityProviderModel idp = context.getSession().identityProviders().getByAlias(providerId);
-                .filter(IdentityProviderModel::isEnabled)
+        if (idp != null && idp.isEnabled()) {
-                .filter(identityProvider -> Objects.equals(providerId, identityProvider.getAlias()))
-                .findFirst();
-        if (idp.isPresent()) {
             String accessCode = new ClientSessionCode<>(context.getSession(), context.getRealm(), context.getAuthenticationSession()).getOrGenerateCode();
             String clientId = context.getAuthenticationSession().getClient().getClientId();
             String tabId = context.getAuthenticationSession().getTabId();
@@ -93,7 +90,7 @@ public class IdentityProviderAuthenticator implements Authenticator {
                     .build();
             // will forward the request to the IDP with prompt=none if the IDP accepts forwards with prompt=none.
             if ("none".equals(context.getAuthenticationSession().getClientNote(OIDCLoginProtocol.PROMPT_PARAM)) &&
-                    Boolean.valueOf(idp.get().getConfig().get(ACCEPTS_PROMPT_NONE))) {
+                    Boolean.parseBoolean(idp.getConfig().get(ACCEPTS_PROMPT_NONE))) {
                 context.getAuthenticationSession().setAuthNote(AuthenticationProcessor.FORWARDED_PASSIVE_LOGIN, "true");
             }
             LOG.debugf("Redirecting to %s", providerId);

services/src/main/java/org/keycloak/forms/login/freemarker/LoginFormsUtil.java

@@ -51,12 +51,12 @@ public class LoginFormsUtil {
             // If the current user is not null, then it's a re-auth, and we should filter the possible options with the pre-14173 logic
             // If the current user is null, then it's one of the following cases:
             //  - either connecting a new IdP to the user's account.
-	    //    - in this case the currentUser is null AND the current flow is the FIRST_BROKER_LOGIN_PATH
+	        //    - in this case the currentUser is null AND the current flow is the FIRST_BROKER_LOGIN_PATH
-	    //    - so we should filter out the one they just used for login, as they need to re-auth themself with an already linked IdP account
+	        //    - so we should filter out the one they just used for login, as they need to re-auth themselves with an already linked IdP account
             //  - or we're on the Login page
-	    //    - in this case the current user is null AND the current flow is NOT the FIRST_BROKER_LOGIN_PATH
+	        //    - in this case the current user is null AND the current flow is NOT the FIRST_BROKER_LOGIN_PATH
-	    //    - so we should show all the possible IdPs to the user trying to log in (this is the bug in #14173)
+	        //    - so we should show all the possible IdPs to the user trying to log in (this is the bug in #14173)
-	    //    - so we're skipping this branch, and retunring everything at the end of the method
+	        //    - so we're skipping this branch, and returning everything at the end of the method
             if (currentUser != null || Objects.equals(LoginActionsService.FIRST_BROKER_LOGIN_PATH, currentFlowPath)) {
                 return filterIdentityProviders(providers, session, context);
             }

services/src/main/java/org/keycloak/organization/admin/resource/OrganizationIdentityProvidersResource.java

@@ -53,6 +53,7 @@ import org.keycloak.services.resources.admin.AdminEventBuilder;
 public class OrganizationIdentityProvidersResource {
 
     private final RealmModel realm;
+    private final KeycloakSession session;
     private final OrganizationProvider organizationProvider;
     private final OrganizationModel organization;
 
@@ -63,6 +64,7 @@ public class OrganizationIdentityProvidersResource {
 
     public OrganizationIdentityProvidersResource(KeycloakSession session, OrganizationModel organization, AdminEventBuilder adminEvent) {
         this.realm = session == null ? null : session.getContext().getRealm();
+        this.session = session;
         this.organizationProvider = session == null ? null : session.getProvider(OrganizationProvider.class);
         this.organization = organization;
     }
@@ -75,9 +77,7 @@ public class OrganizationIdentityProvidersResource {
                 "or if it is already associated with the organization, an error response is returned")
     public Response addIdentityProvider(String id) {
         try {
-            IdentityProviderModel identityProvider =  this.realm.getIdentityProvidersStream()
+            IdentityProviderModel identityProvider = session.identityProviders().getByIdOrAlias(id);
-                    .filter(p -> Objects.equals(p.getAlias(), id) || Objects.equals(p.getInternalId(), id))
-                    .findFirst().orElse(null);
 
             if (identityProvider == null) {
                 throw ErrorResponse.error("Identity provider not found with the given alias", Status.BAD_REQUEST);
@@ -111,7 +111,7 @@ public class OrganizationIdentityProvidersResource {
         description = "Searches for an identity provider with the given alias. If one is found and is associated with the " +
                 "organization, it is returned. Otherwise, an error response with status NOT_FOUND is returned")
     public IdentityProviderRepresentation getIdentityProvider(@PathParam("alias") String alias) {
-        IdentityProviderModel broker = realm.getIdentityProviderByAlias(alias);
+        IdentityProviderModel broker = session.identityProviders().getByAlias(alias);
 
         if (!isOrganizationBroker(broker)) {
             throw ErrorResponse.error("Identity provider not associated with the organization", Status.NOT_FOUND);
@@ -128,7 +128,7 @@ public class OrganizationIdentityProvidersResource {
         description = "Breaks the association between the identity provider and the organization. The provider itself is not deleted. " +
                 "If no provider is found, or if it is not currently associated with the org, an error response is returned")
     public Response delete(@PathParam("alias") String alias) {
-        IdentityProviderModel broker = realm.getIdentityProviderByAlias(alias);
+        IdentityProviderModel broker = session.identityProviders().getByAlias(alias);
 
         if (!isOrganizationBroker(broker)) {
             throw ErrorResponse.error("Identity provider not found with the given alias", Status.NOT_FOUND);

services/src/main/java/org/keycloak/organization/forms/login/freemarker/model/OrganizationAwareIdentityProviderBean.java

@@ -68,8 +68,7 @@ public class OrganizationAwareIdentityProviderBean extends IdentityProviderBean
     }
 
     private boolean isPublicOrganizationBroker(IdentityProvider idp) {
-        RealmModel realm = session.getContext().getRealm();
+        IdentityProviderModel model = session.identityProviders().getByAlias(idp.getAlias());
-        IdentityProviderModel model = realm.getIdentityProviderByAlias(idp.getAlias());
 
         if (model.getOrganizationId() == null) {
             return false;
@@ -85,9 +84,7 @@ public class OrganizationAwareIdentityProviderBean extends IdentityProviderBean
     }
 
     private boolean isRealmBroker(IdentityProvider idp) {
-        RealmModel realm = session.getContext().getRealm();
+        IdentityProviderModel model = session.identityProviders().getByAlias(idp.getAlias());
-        IdentityProviderModel model = realm.getIdentityProviderByAlias(idp.getAlias());
-
         return model.getOrganizationId() == null;
     }
 }

services/src/main/java/org/keycloak/organization/utils/Organizations.java

@@ -94,7 +94,7 @@ public class Organizations {
             List<IdentityProviderModel> organizationBrokers = organization.getIdentityProviders().toList();
             session.users().getFederatedIdentitiesStream(realm, user)
                     .map(f -> {
-                        IdentityProviderModel broker = realm.getIdentityProviderByAlias(f.getIdentityProvider());
+                        IdentityProviderModel broker = session.identityProviders().getByAlias(f.getIdentityProvider());
 
                         if (!organizationBrokers.contains(broker)) {
                             return null;

services/src/main/java/org/keycloak/partialimport/IdentityProvidersPartialImport.java

@@ -46,12 +46,12 @@ public class IdentityProvidersPartialImport extends AbstractPartialImport<Identi
 
     @Override
     public String getModelId(RealmModel realm, KeycloakSession session, IdentityProviderRepresentation idpRep) {
-        return realm.getIdentityProviderByAlias(getName(idpRep)).getInternalId();
+        return session.identityProviders().getByAlias(getName(idpRep)).getInternalId();
     }
 
     @Override
     public boolean exists(RealmModel realm, KeycloakSession session, IdentityProviderRepresentation idpRep) {
-        return realm.getIdentityProviderByAlias(getName(idpRep)) != null;
+        return session.identityProviders().getByAlias(getName(idpRep)) != null;
     }
 
     @Override
@@ -66,14 +66,13 @@ public class IdentityProvidersPartialImport extends AbstractPartialImport<Identi
 
     @Override
     public void remove(RealmModel realm, KeycloakSession session, IdentityProviderRepresentation idpRep) {
-        realm.removeIdentityProviderByAlias(getName(idpRep));
+        session.identityProviders().remove(getName(idpRep));
     }
 
     @Override
     public void create(RealmModel realm, KeycloakSession session, IdentityProviderRepresentation idpRep) {
         idpRep.setInternalId(KeycloakModelUtils.generateId());
-        IdentityProviderModel identityProvider = RepresentationToModel.toModel(realm, idpRep, session);
+        session.identityProviders().create(RepresentationToModel.toModel(realm, idpRep, session));
-        realm.addIdentityProvider(identityProvider);
     }
 
 }

services/src/main/java/org/keycloak/protocol/oidc/DefaultTokenExchangeProvider.java

@@ -260,14 +260,14 @@ public class DefaultTokenExchangeProvider implements TokenExchangeProvider {
 
     protected Response exchangeToIdentityProvider(UserModel targetUser, UserSessionModel targetUserSession, String requestedIssuer) {
         event.detail(Details.REQUESTED_ISSUER, requestedIssuer);
-        IdentityProviderModel providerModel = realm.getIdentityProviderByAlias(requestedIssuer);
+        IdentityProviderModel providerModel = session.identityProviders().getByAlias(requestedIssuer);
         if (providerModel == null) {
             event.detail(Details.REASON, "unknown requested_issuer");
             event.error(Errors.UNKNOWN_IDENTITY_PROVIDER);
             throw new CorsErrorResponseException(cors, OAuthErrorException.INVALID_REQUEST, "Invalid issuer", Response.Status.BAD_REQUEST);
         }
 
-        IdentityProvider provider = IdentityBrokerService.getIdentityProvider(session, realm, requestedIssuer);
+        IdentityProvider<?> provider = IdentityBrokerService.getIdentityProvider(session, requestedIssuer);
         if (!(provider instanceof ExchangeTokenToIdentityProviderToken)) {
             event.detail(Details.REASON, "exchange unsupported by requested_issuer");
             event.error(Errors.UNKNOWN_IDENTITY_PROVIDER);
@@ -518,20 +518,26 @@ public class DefaultTokenExchangeProvider implements TokenExchangeProvider {
         AtomicReference<ExchangeExternalToken> externalIdp = new AtomicReference<>(null);
         AtomicReference<IdentityProviderModel> externalIdpModel = new AtomicReference<>(null);
 
-        realm.getIdentityProvidersStream().filter(idpModel -> {
+        // try to find the IDP whose alias matches the issuer or the subject issuer in the form params.
-            IdentityProviderFactory factory = IdentityBrokerService.getIdentityProviderFactory(session, idpModel);
+        this.locateExchangeExternalTokenByAlias(issuer, externalIdp, externalIdpModel);
-            IdentityProvider idp = factory.create(session, idpModel);
+        if (externalIdp.get() == null && formParams.getFirst(OAuth2Constants.SUBJECT_ISSUER) != null) {
-            if (idp instanceof ExchangeExternalToken) {
+            this.locateExchangeExternalTokenByAlias(formParams.getFirst(OAuth2Constants.SUBJECT_ISSUER), externalIdp, externalIdpModel);
-                ExchangeExternalToken external = (ExchangeExternalToken) idp;
+        }
-                if (idpModel.getAlias().equals(issuer) || external.isIssuer(issuer, formParams)) {
-                    externalIdp.set(external);
-                    externalIdpModel.set(idpModel);
-                    return true;
-                }
-            }
-            return false;
-        }).findFirst();
 
+        if (externalIdp.get() == null) { // searching by alias didn't work, search all IDPs using ExchangeExternalToken.isIssuer to find a match
+            session.identityProviders().getAllStream().filter(idpModel -> {
+                IdentityProvider idp = IdentityBrokerService.getIdentityProviderFactory(session, idpModel).create(session, idpModel);
+                if (idp instanceof ExchangeExternalToken) {
+                    ExchangeExternalToken external = (ExchangeExternalToken) idp;
+                    if (external.isIssuer(issuer, formParams)) {
+                        externalIdp.set(external);
+                        externalIdpModel.set(idpModel);
+                        return true;
+                    }
+                }
+                return false;
+            }).findFirst();
+        }
 
         if (externalIdp.get() == null) {
             event.error(Errors.INVALID_ISSUER);
@@ -687,4 +693,15 @@ public class DefaultTokenExchangeProvider implements TokenExchangeProvider {
         }
     }
 
+    private void locateExchangeExternalTokenByAlias(String alias,  AtomicReference<ExchangeExternalToken> externalIdp,
+                                                    AtomicReference<IdentityProviderModel> externalIdpModel) {
+
+        IdentityProviderModel idpModel = session.identityProviders().getByAlias(alias);
+        IdentityProvider idp = IdentityBrokerService.getIdentityProviderFactory(session, idpModel).create(session, idpModel);
+        if (idp instanceof ExchangeExternalToken) {
+            externalIdp.set((ExchangeExternalToken) idp);
+            externalIdpModel.set(idpModel);
+        }
+    }
+
 }

services/src/main/java/org/keycloak/protocol/oidc/TokenManager.java

@@ -1505,7 +1505,7 @@ public class TokenManager {
 
     private Stream<OIDCIdentityProvider> getOIDCIdentityProviders(RealmModel realm, KeycloakSession session) {
         try {
-            return realm.getIdentityProvidersStream()
+            return session.identityProviders().getAllStream()
                     .map(idpModel ->
                         IdentityBrokerService.getIdentityProviderFactory(session, idpModel).create(session, idpModel))
                     .filter(OIDCIdentityProvider.class::isInstance)

services/src/main/java/org/keycloak/services/managers/AuthenticationManager.java

@@ -417,7 +417,7 @@ public class AuthenticationManager {
         if (logoutBroker) {
             String brokerId = userSession.getNote(Details.IDENTITY_PROVIDER);
             if (brokerId != null) {
-                IdentityProvider identityProvider = IdentityBrokerService.getIdentityProvider(session, realm, brokerId);
+                IdentityProvider identityProvider = IdentityBrokerService.getIdentityProvider(session, brokerId);
                 try {
                     identityProvider.backchannelLogout(session, userSession, uriInfo, realm);
                 } catch (Exception e) {
@@ -648,7 +648,7 @@ public class AuthenticationManager {
         String brokerId = userSession.getNote(Details.IDENTITY_PROVIDER);
         String initiatingIdp = logoutAuthSession.getAuthNote(AuthenticationManager.LOGOUT_INITIATING_IDP);
         if (brokerId != null && !brokerId.equals(initiatingIdp)) {
-            IdentityProvider identityProvider = IdentityBrokerService.getIdentityProvider(session, realm, brokerId);
+            IdentityProvider identityProvider = IdentityBrokerService.getIdentityProvider(session, brokerId);
             Response response = identityProvider.keycloakInitiatedBrowserLogout(session, userSession, uriInfo, realm);
             if (response != null) {
                 return response;

services/src/main/java/org/keycloak/services/resources/IdentityBrokerService.java

@@ -293,7 +293,7 @@ public class IdentityBrokerService implements IdentityProvider.AuthenticationCal
         }
 
 
-        IdentityProviderModel identityProviderModel = realmModel.getIdentityProviderByAlias(providerAlias);
+        IdentityProviderModel identityProviderModel = session.identityProviders().getByAlias(providerAlias);
         if (identityProviderModel == null) {
             event.error(Errors.UNKNOWN_IDENTITY_PROVIDER);
             UriBuilder builder = UriBuilder.fromUri(redirectUri)
@@ -330,7 +330,7 @@ public class IdentityBrokerService implements IdentityProvider.AuthenticationCal
         event.success();
 
         try {
-            IdentityProvider<?> identityProvider = getIdentityProvider(session, realmModel, providerAlias);
+            IdentityProvider<?> identityProvider = getIdentityProvider(session, providerAlias);
             Response response = identityProvider.performLogin(createAuthenticationRequest(identityProvider, providerAlias, clientSessionCode));
 
             if (response != null) {
@@ -381,14 +381,14 @@ public class IdentityBrokerService implements IdentityProvider.AuthenticationCal
 
             ClientSessionCode<AuthenticationSessionModel> clientSessionCode = new ClientSessionCode<>(session, realmModel, authSession);
             clientSessionCode.setAction(AuthenticationSessionModel.Action.AUTHENTICATE.name());
-            IdentityProviderModel identityProviderModel = realmModel.getIdentityProviderByAlias(providerAlias);
+            IdentityProviderModel identityProviderModel = session.identityProviders().getByAlias(providerAlias);
             if (identityProviderModel == null) {
                 throw new IdentityBrokerException("Identity Provider [" + providerAlias + "] not found.");
             }
             if (identityProviderModel.isLinkOnly()) {
                 throw new IdentityBrokerException("Identity Provider [" + providerAlias + "] is not allowed to perform a login.");
             }
-            if (clientSessionCode != null && clientSessionCode.getClientSession() != null && loginHint != null) {
+            if (clientSessionCode.getClientSession() != null && loginHint != null) {
                 clientSessionCode.getClientSession().setClientNote(OIDCLoginProtocol.LOGIN_HINT_PARAM, loginHint);
             }
 
@@ -437,7 +437,7 @@ public class IdentityBrokerService implements IdentityProvider.AuthenticationCal
         IdentityProvider identityProvider;
 
         try {
-            identityProvider = getIdentityProvider(session, realmModel, providerAlias);
+            identityProvider = getIdentityProvider(session, providerAlias);
         } catch (IdentityBrokerException e) {
             throw new NotFoundException(e.getMessage());
         }
@@ -490,7 +490,7 @@ public class IdentityBrokerService implements IdentityProvider.AuthenticationCal
 
                 }
 
-                IdentityProvider identityProvider = getIdentityProvider(session, realmModel, providerAlias);
+                IdentityProvider identityProvider = getIdentityProvider(session, providerAlias);
                 IdentityProviderModel identityProviderConfig = getIdentityProviderConfig(providerAlias);
 
                 if (identityProviderConfig.isStoreToken()) {
@@ -1247,7 +1247,7 @@ public class IdentityBrokerService implements IdentityProvider.AuthenticationCal
 
         fireErrorEvent(message, throwable);
 
-        if (throwable != null && throwable instanceof WebApplicationException) {
+        if (throwable instanceof WebApplicationException) {
             WebApplicationException webEx = (WebApplicationException) throwable;
             return webEx.getResponse();
         }
@@ -1312,8 +1312,8 @@ public class IdentityBrokerService implements IdentityProvider.AuthenticationCal
         throw ErrorResponse.error(message, Response.Status.NOT_FOUND);
     }
 
-    public static IdentityProvider<?> getIdentityProvider(KeycloakSession session, RealmModel realm, String alias) {
+    public static IdentityProvider<?> getIdentityProvider(KeycloakSession session, String alias) {
-        IdentityProviderModel identityProviderModel = realm.getIdentityProviderByAlias(alias);
+        IdentityProviderModel identityProviderModel = session.identityProviders().getByAlias(alias);
 
         if (identityProviderModel != null) {
             IdentityProviderFactory<?> providerFactory = getIdentityProviderFactory(session, identityProviderModel);
@@ -1338,7 +1338,7 @@ public class IdentityBrokerService implements IdentityProvider.AuthenticationCal
     }
 
     private IdentityProviderModel getIdentityProviderConfig(String providerAlias) {
-        IdentityProviderModel model = this.realmModel.getIdentityProviderByAlias(providerAlias);
+        IdentityProviderModel model = session.identityProviders().getByAlias(providerAlias);
         if (model == null) {
             throw new IdentityBrokerException("Configuration for identity provider [" + providerAlias + "] not found.");
         }

services/src/main/java/org/keycloak/services/resources/account/LinkedAccountsResource.java

@@ -20,6 +20,7 @@ import java.io.IOException;
 import java.net.URI;
 import java.nio.charset.StandardCharsets;
 import java.security.MessageDigest;
+import java.util.Map;
 import java.util.Objects;
 import java.util.Set;
 import java.util.SortedSet;
@@ -113,7 +114,7 @@ public class LinkedAccountsResource {
 
     public SortedSet<LinkedAccountRepresentation> getLinkedAccounts(KeycloakSession session, RealmModel realm, UserModel user) {
         Set<String> socialIds = findSocialIds();
-        return realm.getIdentityProvidersStream().filter(IdentityProviderModel::isEnabled)
+        return session.identityProviders().getAllStream(Map.of(IdentityProviderModel.ENABLED, "true"), null, null)
                 .map(provider -> toLinkedAccountRepresentation(provider, socialIds, session.users().getFederatedIdentitiesStream(realm, user)))
                 .collect(Collectors.toCollection(TreeSet::new));
     }
@@ -266,6 +267,6 @@ public class LinkedAccountsResource {
     }
 
     private boolean isValidProvider(String providerAlias) {
-        return realm.getIdentityProvidersStream().anyMatch(model -> Objects.equals(model.getAlias(), providerAlias));
+        return session.identityProviders().getByAlias(providerAlias) != null;
     }
 }

services/src/main/java/org/keycloak/services/resources/admin/IdentityProviderResource.java

@@ -65,10 +65,11 @@ import jakarta.ws.rs.Produces;
 import jakarta.ws.rs.QueryParam;
 import jakarta.ws.rs.core.MediaType;
 import jakarta.ws.rs.core.Response;
-import jakarta.ws.rs.core.Response.Status;
+
 import java.util.Collections;
 import java.util.Map;
 import java.util.Objects;
+import java.util.Optional;
 import java.util.function.Function;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
@@ -134,7 +135,7 @@ public class IdentityProviderResource {
 
         String alias = this.identityProviderModel.getAlias();
         session.users().preRemove(realm, identityProviderModel);
-        this.realm.removeIdentityProviderByAlias(alias);
+        session.identityProviders().remove(alias);
 
         realm.getIdentityProviderMappersByAliasStream(alias)
                 .collect(Collectors.toList()).forEach(realm::removeIdentityProviderMapper);
@@ -182,12 +183,11 @@ public class IdentityProviderResource {
     }
 
     private void updateIdpFromRep(IdentityProviderRepresentation providerRep, RealmModel realm, KeycloakSession session) {
-        String internalId = providerRep.getInternalId();
+        String newProviderAlias = providerRep.getAlias();
-        String newProviderId = providerRep.getAlias();
+        String oldProviderAlias = getAliasByInternalId(providerRep.getInternalId());
-        String oldProviderId = getProviderIdByInternalId(realm, internalId);
 
-        if (oldProviderId == null) {
+        if (oldProviderAlias == null) {
-            lookUpProviderIdByAlias(realm, providerRep);
+            providerRep.setInternalId(getInternalIdByAlias(providerRep.getAlias()));
         }
 
         IdentityProviderModel updated = RepresentationToModel.toModel(realm, providerRep, session);
@@ -196,34 +196,44 @@ public class IdentityProviderResource {
             updated.getConfig().put("clientSecret", identityProviderModel.getConfig() != null ? identityProviderModel.getConfig().get("clientSecret") : null);
         }
 
-        realm.updateIdentityProvider(updated);
+        session.identityProviders().update(updated);
 
-        if (oldProviderId != null && !oldProviderId.equals(newProviderId)) {
+        if (oldProviderAlias != null && !oldProviderAlias.equals(newProviderAlias)) {
 
             // Admin changed the ID (alias) of identity provider. We must update all clients and users
-            logger.debug("Changing providerId in all clients and linked users. oldProviderId=" + oldProviderId + ", newProviderId=" + newProviderId);
+            logger.debug("Changing providerId in all clients and linked users. oldProviderId=" + oldProviderAlias + ", newProviderId=" + newProviderAlias);
 
             updateUsersAfterProviderAliasChange(session.users().searchForUserStream(realm, Collections.singletonMap(UserModel.INCLUDE_SERVICE_ACCOUNT, Boolean.FALSE.toString())),
-                    oldProviderId, newProviderId, realm, session);
+                    oldProviderAlias, newProviderAlias, realm, session);
         }
     }
 
-    // return ID of IdentityProvider from realm based on internalId of this provider
+    /**
-    private static String getProviderIdByInternalId(RealmModel realm, String providerInternalId) {
+     * Returns the alias of the IDP whose internal ID matches the specified ID.
-        return realm.getIdentityProvidersStream().filter(p -> Objects.equals(p.getInternalId(), providerInternalId))
+     *
-                .map(IdentityProviderModel::getAlias)
+     * @param providerInternalId the IDP's internal ID.
-                .findFirst()
+     * @return the provider's alias, if an IDP is located with the given ID; {@code null} otherwise.
-                .orElse(null);
+     */
+    private String getAliasByInternalId(String providerInternalId) {
+        IdentityProviderModel identityProviderModel = session.identityProviders().getById(providerInternalId);
+        return identityProviderModel != null ? identityProviderModel.getAlias() : null;
     }
 
-    // sets internalId to IdentityProvider based on alias
+    /**
-    private static void lookUpProviderIdByAlias(RealmModel realm, IdentityProviderRepresentation providerRep) {
+     * Returns the internal ID of the IDP whose alias matches the specified alias.
-        IdentityProviderModel identityProviderModel = realm.getIdentityProvidersStream()
+     *
-                .filter(p -> Objects.equals(p.getAlias(), providerRep.getAlias()))
+     * @param alias the IDP's alias.
-                .findFirst()
+     * @return the provider's internal ID.
-                .orElseThrow(NotFoundException::new);
+     * @throws NotFoundException if an IDP with a matching alias is not found.
-
+     */
-        providerRep.setInternalId(identityProviderModel.getInternalId());
+    private String getInternalIdByAlias(String alias) {
+        if (alias != null) {
+            IdentityProviderModel identityProviderModel = session.identityProviders().getByAlias(alias);
+            if (identityProviderModel != null) {
+                return identityProviderModel.getInternalId();
+            }
+        }
+        throw new NotFoundException("Identity provider not found with alias: " + alias);
     }
 
     private static void updateUsersAfterProviderAliasChange(Stream<UserModel> users, String oldProviderId, String newProviderId, RealmModel realm, KeycloakSession session) {

services/src/main/java/org/keycloak/services/resources/admin/IdentityProvidersResource.java

@@ -212,7 +212,7 @@ public class IdentityProvidersResource {
 
         try {
             IdentityProviderModel identityProvider = RepresentationToModel.toModel(realm, representation, session);
-            this.realm.addIdentityProvider(identityProvider);
+            session.identityProviders().create(identityProvider);
 
             representation.setInternalId(identityProvider.getInternalId());
             adminEvent.operation(OperationType.CREATE).resourcePath(session.getContext().getUri(), identityProvider.getAlias())
@@ -235,14 +235,12 @@ public class IdentityProvidersResource {
     @Path("instances/{alias}")
     public IdentityProviderResource getIdentityProvider(@PathParam("alias") String alias) {
         this.auth.realm().requireViewIdentityProviders();
-        IdentityProviderModel identityProviderModel =  this.realm.getIdentityProvidersStream()
+        IdentityProviderModel identityProviderModel = session.identityProviders().getByIdOrAlias(alias);
-                .filter(p -> Objects.equals(p.getAlias(), alias) || Objects.equals(p.getInternalId(), alias))
-                .findFirst().orElse(null);
 
         return new IdentityProviderResource(this.auth, realm, session, identityProviderModel, adminEvent);
     }
 
-    private IdentityProviderFactory getProviderFactoryById(String providerId) {
+    private IdentityProviderFactory<?> getProviderFactoryById(String providerId) {
         return getProviderFactories()
                 .filter(providerFactory -> Objects.equals(providerId, providerFactory.getId()))
                 .map(IdentityProviderFactory.class::cast)

services/src/main/java/org/keycloak/services/resources/admin/UserResource.java

@@ -468,9 +468,8 @@ public class UserResource {
     }
 
     private Stream<FederatedIdentityRepresentation> getFederatedIdentities(UserModel user) {
-        Set<String> idps = realm.getIdentityProvidersStream().map(IdentityProviderModel::getAlias).collect(Collectors.toSet());
         return session.users().getFederatedIdentitiesStream(realm, user)
-                .filter(identity -> idps.contains(identity.getIdentityProvider()))
+                .filter(identity -> session.identityProviders().getByAlias(identity.getIdentityProvider()) != null)
                 .map(ModelToRepresentation::toRepresentation);
     }
 

testsuite/integration-arquillian/servers/auth-server/services/testsuite-providers/src/main/java/org/keycloak/testsuite/rest/TestingResourceProvider.java

@@ -730,7 +730,7 @@ public class TestingResourceProvider implements RealmResourceProvider {
     @Path("/identity-config")
     @Produces(MediaType.APPLICATION_JSON)
     public Map<String, String> getIdentityProviderConfig(@QueryParam("alias") String alias) {
-        return session.getContext().getRealm().getIdentityProviderByAlias(alias).getConfig();
+        return session.identityProviders().getByAlias(alias).getConfig();
     }
 
     @PUT

testsuite/integration-arquillian/tests/base/src/test/java/org/keycloak/testsuite/broker/BrokerRunOnServerUtil.java

@@ -60,9 +60,9 @@ final class BrokerRunOnServerUtil {
             execution.setAuthenticatorFlow(false);
             realm.addAuthenticatorExecution(execution);
 
-            IdentityProviderModel idp = realm.getIdentityProviderByAlias(idpAlias);
+            IdentityProviderModel idp = session.identityProviders().getByAlias(idpAlias);
             idp.setPostBrokerLoginFlowId(postBrokerFlow.getId());
-            realm.updateIdentityProvider(idp);
+            session.identityProviders().update(idp);
         };
     }
 
@@ -70,9 +70,9 @@ final class BrokerRunOnServerUtil {
         return session -> {
             RealmModel realm = session.getContext().getRealm();
 
-            IdentityProviderModel idp = realm.getIdentityProviderByAlias(idpAlias);
+            IdentityProviderModel idp = session.identityProviders().getByAlias(idpAlias);
             idp.setPostBrokerLoginFlowId(null);
-            realm.updateIdentityProvider(idp);
+            session.identityProviders().update(idp);
         };
     }
 
@@ -123,9 +123,9 @@ final class BrokerRunOnServerUtil {
             execution2.setParentFlow(newFlow.getId());
             execution2 = appRealm.addAuthenticatorExecution(execution2);
 
-            IdentityProviderModel idp = appRealm.getIdentityProviderByAlias(idpAlias);
+            IdentityProviderModel idp = session.identityProviders().getByAlias(idpAlias);
             idp.setFirstBrokerLoginFlowId(newFlow.getId());
-            appRealm.updateIdentityProvider(idp);
+            session.identityProviders().update(idp);
         });
     }
 
@@ -165,9 +165,9 @@ final class BrokerRunOnServerUtil {
             execution.setParentFlow(newFlow.getId());
             appRealm.addAuthenticatorExecution(execution);
 
-            IdentityProviderModel idp = appRealm.getIdentityProviderByAlias(idpAlias);
+            IdentityProviderModel idp = session.identityProviders().getByAlias(idpAlias);
             idp.setFirstBrokerLoginFlowId(newFlow.getId());
-            appRealm.updateIdentityProvider(idp);
+            session.identityProviders().update(idp);
         };
     }
 

testsuite/integration-arquillian/tests/base/src/test/java/org/keycloak/testsuite/broker/KcOidcBrokerTokenExchangeTest.java

@@ -190,7 +190,7 @@ public final class KcOidcBrokerTokenExchangeTest extends AbstractInitializedBase
 
     private static void setupRealm(KeycloakSession session) {
         RealmModel realm = session.getContext().getRealm();
-        IdentityProviderModel idp = realm.getIdentityProviderByAlias(IDP_OIDC_ALIAS);
+        IdentityProviderModel idp = session.identityProviders().getByAlias(IDP_OIDC_ALIAS);
         org.junit.Assert.assertNotNull(idp);
 
         ClientModel client = realm.addClient("test-app");

testsuite/integration-arquillian/tests/base/src/test/java/org/keycloak/testsuite/broker/SocialLoginTest.java

@@ -240,7 +240,7 @@ public class SocialLoginTest extends AbstractKeycloakTest {
         Policy clientPolicy = management.authz().getStoreFactory().getPolicyStore().create(server, clientPolicyRep);
         management.users().adminImpersonatingPermission().addAssociatedPolicy(clientPolicy);
         management.users().adminImpersonatingPermission().setDecisionStrategy(DecisionStrategy.AFFIRMATIVE);
-        realm.getIdentityProvidersStream().forEach(idp -> {
+        session.identityProviders().getAllStream().forEach(idp -> {
             management.idps().setPermissionsEnabled(idp, true);
             management.idps().exchangeToPermission(idp).addAssociatedPolicy(clientPolicy);
         });

testsuite/integration-arquillian/tests/base/src/test/java/org/keycloak/testsuite/organization/broker/OrganizationIdentityProviderTest.java

@@ -252,7 +252,7 @@ public class OrganizationIdentityProviderTest extends AbstractOrganizationTest {
                 RealmModel realm = session.realms().getRealmByName("master");
                 RealmModel current = session.getContext().getRealm();
                 session.getContext().setRealm(realm);
-                IdentityProviderModel idp = realm.getIdentityProviderByAlias("master-identity-provider");
+                IdentityProviderModel idp = session.identityProviders().getByAlias("master-identity-provider");
 
                 // restore the context and try to add the idp.
                 session.getContext().setRealm(current);

testsuite/integration-arquillian/tests/base/src/test/java/org/keycloak/testsuite/sessionlimits/AbstractUserSessionLimitsBrokerTest.java

@@ -56,9 +56,9 @@ public abstract class AbstractUserSessionLimitsBrokerTest extends AbstractInitia
 
             configureSessionLimits(realm, postBrokerFlow, behavior, realmLimit, clientLimit);
 
-            IdentityProviderModel idp = realm.getIdentityProviderByAlias(idpAlias);
+            IdentityProviderModel idp = session.identityProviders().getByAlias(idpAlias);
             idp.setPostBrokerLoginFlowId(postBrokerFlow.getId());
-            realm.updateIdentityProvider(idp);
+            session.identityProviders().update(idp);
         });
     }
 

testsuite/integration-arquillian/tests/base/src/test/java/org/keycloak/testsuite/util/FlowUtil.java

@@ -203,9 +203,9 @@ public class FlowUtil {
 
     public FlowUtil usesInIdentityProvider(String idpAlias) {
         // Setup new FirstBrokerLogin flow to identity provider
-        IdentityProviderModel idp = realm.getIdentityProviderByAlias(idpAlias);
+        IdentityProviderModel idp = session.identityProviders().getByAlias(idpAlias);
         idp.setFirstBrokerLoginFlowId(currentFlow.getId());
-        realm.updateIdentityProvider(idp);
+        session.identityProviders().update(idp);
         return this;
     }
 
@@ -329,4 +329,4 @@ public class FlowUtil {
             setFlow.accept(realm.getFlowByAlias(defaultFlowAlias));
         }
     }
-}
+}

testsuite/model/src/test/java/org/keycloak/testsuite/model/FederatedIdentityModelTest.java

@@ -58,7 +58,7 @@ public class FederatedIdentityModelTest extends KeycloakModelTest {
 
 		IdentityProviderModel identityProviderModel = identityProviderFactory.createConfig();
 		identityProviderModel.setAlias(IDENTITY_PROVIDER_ALIAS);
-		realm.addIdentityProvider(identityProviderModel);
+        s.identityProviders().create(identityProviderModel);
 
 		userId = s.users().addUser(realm, USERNAME).getId();
 	}