io.camunda.operate.webapp.security.identity.PermissionsService Maven / Gradle / Ivy
/*
* Copyright Camunda Services GmbH and/or licensed to Camunda Services GmbH under
* one or more contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright ownership.
* Licensed under the Camunda License 1.0. You may not use this file
* except in compliance with the Camunda License 1.0.
*/
package io.camunda.operate.webapp.security.identity;
import io.camunda.operate.exceptions.OperateRuntimeException;
import io.camunda.operate.property.OperateProperties;
import io.camunda.operate.webapp.security.SecurityContextWrapper;
import io.camunda.operate.webapp.security.sso.TokenAuthentication;
import jakarta.annotation.PostConstruct;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Objects;
import java.util.Set;
import java.util.stream.Collectors;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.security.core.Authentication;
import org.springframework.security.oauth2.server.resource.authentication.JwtAuthenticationToken;
public class PermissionsService {
public static final String RESOURCE_KEY_ALL = "*";
public static final String RESOURCE_TYPE_PROCESS_DEFINITION = "process-definition";
public static final String RESOURCE_TYPE_DECISION_DEFINITION = "decision-definition";
private static final Logger LOGGER = LoggerFactory.getLogger(PermissionsService.class);
private final OperateProperties operateProperties;
private final SecurityContextWrapper securityContextWrapperComponent;
public PermissionsService(
final OperateProperties operateProperties,
final SecurityContextWrapper securityContextWrapperComponent) {
this.operateProperties = operateProperties;
this.securityContextWrapperComponent = securityContextWrapperComponent;
}
@PostConstruct
public void logCreated() {
LOGGER.debug("PermissionsService bean created.");
}
/**
* getProcessDefinitionPermission
*
* @param bpmnProcessId bpmnProcessId
* @return Identity permissions for the given bpmnProcessId, including wildcard permissions
*/
public Set getProcessDefinitionPermission(final String bpmnProcessId) {
return getProcessDefinitionPermission(bpmnProcessId, true);
}
/**
* getProcessDefinitionPermission
*
* @param bpmnProcessId bpmnProcessId
* @param includeWildcardPermissions true to include the wildcard permission, false to not include
* them
* @return Identity permissions for the given bpmnProcessId
*/
public Set getProcessDefinitionPermission(
final String bpmnProcessId, final boolean includeWildcardPermissions) {
final Set permissions = new HashSet<>();
getIdentityAuthorizations().stream()
.filter(
x ->
Objects.equals(x.getResourceKey(), bpmnProcessId)
&& Objects.equals(x.getResourceType(), RESOURCE_TYPE_PROCESS_DEFINITION))
.findFirst()
.ifPresent(
x -> {
if (x.getPermissions() != null) {
permissions.addAll(x.getPermissions());
}
});
if (includeWildcardPermissions) {
permissions.addAll(getProcessDefinitionPermission(RESOURCE_KEY_ALL, false));
}
return permissions;
}
/**
* getDecisionDefinitionPermission
*
* @param decisionId decisionId
* @return Identity permissions for the given decisionId, including wildcard permissions
*/
public Set getDecisionDefinitionPermission(final String decisionId) {
return getDecisionDefinitionPermission(decisionId, true);
}
/**
* getDecisionDefinitionPermission
*
* @param decisionId decisionId
* @param includeWildcardPermissions true to include the wildcard permission, false to not include
* them
* @return Identity permissions for the given decisionId
*/
public Set getDecisionDefinitionPermission(
final String decisionId, final boolean includeWildcardPermissions) {
final Set permissions = new HashSet<>();
getIdentityAuthorizations().stream()
.filter(
x ->
Objects.equals(x.getResourceKey(), decisionId)
&& Objects.equals(x.getResourceType(), RESOURCE_TYPE_DECISION_DEFINITION))
.findFirst()
.ifPresent(
x -> {
if (x.getPermissions() != null) {
permissions.addAll(x.getPermissions());
}
});
if (includeWildcardPermissions) {
permissions.addAll(getDecisionDefinitionPermission(RESOURCE_KEY_ALL, false));
}
return permissions;
}
/**
* hasPermissionForProcess
*
* @return true if the user has the given permission for the process
*/
public boolean hasPermissionForProcess(
final String bpmnProcessId, final IdentityPermission permission) {
if (!permissionsEnabled()) {
return true;
}
if (permission == null) {
throw new IllegalStateException("Identity permission can't be null");
}
return getProcessDefinitionPermission(bpmnProcessId).stream()
.anyMatch(x -> x.equalsIgnoreCase(permission.toString()));
}
/**
* hasPermissionForDecision
*
* @return true if the user has the given permission for the decision
*/
public boolean hasPermissionForDecision(
final String decisionId, final IdentityPermission permission) {
if (!permissionsEnabled()) {
return true;
}
if (permission == null) {
throw new IllegalStateException("Identity permission can't be null");
}
return getDecisionDefinitionPermission(decisionId).stream()
.anyMatch(x -> x.equalsIgnoreCase(permission.toString()));
}
/** getIdentityAuthorizations */
private List getIdentityAuthorizations() {
List list = null;
final Authentication authentication = securityContextWrapperComponent.getAuthentication();
if (authentication == null) {
return new ArrayList<>();
} else if (authentication instanceof IdentityAuthentication) {
list = ((IdentityAuthentication) authentication).getAuthorizations();
LOGGER.debug("Following authorizations found for IdentityAuthentication: " + list);
} else if (authentication instanceof TokenAuthentication) {
list = ((TokenAuthentication) authentication).getAuthorizations();
LOGGER.debug("Following authorizations found for TokenAuthentication: " + list);
} else {
LOGGER.error(
"Unable to read resource based permissions. Unknown token type: "
+ authentication.getClass().getSimpleName(),
new OperateRuntimeException());
}
return (list == null) ? new ArrayList<>() : list;
}
private boolean permissionsEnabled() {
return operateProperties.getIdentity().isResourcePermissionsEnabled() && !isJwtToken();
}
/** Resource based permissions are not yet supported for JwtAuthenticationToken. */
private boolean isJwtToken() {
return securityContextWrapperComponent.getAuthentication() instanceof JwtAuthenticationToken;
}
/**
* getProcessesWithPermission
*
* @return processes for which the user has the given permission; the result matches either all
* processes, or a list of bpmnProcessId
*/
public ResourcesAllowed getProcessesWithPermission(final IdentityPermission permission) {
if (permission == null) {
throw new IllegalStateException("Identity permission can't be null");
}
if (permissionsEnabled()) {
final List processAuthorizations =
getIdentityAuthorizations().stream()
.filter(x -> Objects.equals(x.getResourceType(), RESOURCE_TYPE_PROCESS_DEFINITION))
.collect(Collectors.toList());
final Set ids = new HashSet<>();
for (final IdentityAuthorization authorization : processAuthorizations) {
if (authorization.getPermissions() != null
&& authorization.getPermissions().contains(permission.name())) {
if (RESOURCE_KEY_ALL.equals(authorization.getResourceKey())) {
return ResourcesAllowed.all();
}
ids.add(authorization.getResourceKey());
}
}
return ResourcesAllowed.withIds(ids);
}
return ResourcesAllowed.all();
}
/**
* getDecisionsWithPermission
*
* @return decisions for which the user has the given permission; the result matches either all
* decisions, or a list of decisionId
*/
public ResourcesAllowed getDecisionsWithPermission(final IdentityPermission permission) {
if (permission == null) {
throw new IllegalStateException("Identity permission can't be null");
}
if (permissionsEnabled()) {
final List decisionAuthorizations =
getIdentityAuthorizations().stream()
.filter(x -> Objects.equals(x.getResourceType(), RESOURCE_TYPE_DECISION_DEFINITION))
.collect(Collectors.toList());
final Set ids = new HashSet<>();
for (final IdentityAuthorization authorization : decisionAuthorizations) {
if (authorization.getPermissions() != null
&& authorization.getPermissions().contains(permission.name())) {
if (RESOURCE_KEY_ALL.equals(authorization.getResourceKey())) {
return ResourcesAllowed.all();
}
ids.add(authorization.getResourceKey());
}
}
return ResourcesAllowed.withIds(ids);
}
return ResourcesAllowed.all();
}
/** ResourcesAllowed */
public static final class ResourcesAllowed {
private final boolean all;
private final Set ids;
private ResourcesAllowed(final boolean all, final Set ids) {
this.all = all;
this.ids = ids;
}
public static ResourcesAllowed all() {
return new ResourcesAllowed(true, null);
}
public static ResourcesAllowed withIds(final Set ids) {
return new ResourcesAllowed(false, ids);
}
@Override
public int hashCode() {
return Objects.hash(all, ids);
}
@Override
public boolean equals(final Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
final ResourcesAllowed that = (ResourcesAllowed) o;
return all == that.all && Objects.equals(ids, that.ids);
}
/**
* isAll
*
* @return true if all resources are allowed, false if only the ids are allowed
*/
public boolean isAll() {
return all;
}
/**
* getIds
*
* @return ids of resources allowed in case not all are allowed
*/
public Set getIds() {
return ids;
}
}
}
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