Examples with AuthorizationAccessException org.apache.nifi.authorization.exception.AuthorizationAccessException used on opensource projects

Example 1 with AuthorizationAccessException

use of org.apache.nifi.authorization.exception.AuthorizationAccessException in project nifi by apache.

the class LdapUserGroupProvider method onConfigured.

@Override
public void onConfigured(final AuthorizerConfigurationContext configurationContext) throws AuthorizerCreationException {
    final LdapContextSource context = new LdapContextSource();
    final Map<String, Object> baseEnvironment = new HashMap<>();
    // connect/read time out
    setTimeout(configurationContext, baseEnvironment, PROP_CONNECT_TIMEOUT, "com.sun.jndi.ldap.connect.timeout");
    setTimeout(configurationContext, baseEnvironment, PROP_READ_TIMEOUT, "com.sun.jndi.ldap.read.timeout");
    // authentication strategy
    final PropertyValue rawAuthenticationStrategy = configurationContext.getProperty(PROP_AUTHENTICATION_STRATEGY);
    final LdapAuthenticationStrategy authenticationStrategy;
    try {
        authenticationStrategy = LdapAuthenticationStrategy.valueOf(rawAuthenticationStrategy.getValue());
    } catch (final IllegalArgumentException iae) {
        throw new AuthorizerCreationException(String.format("Unrecognized authentication strategy '%s'. Possible values are [%s]", rawAuthenticationStrategy.getValue(), StringUtils.join(LdapAuthenticationStrategy.values(), ", ")));
    }
    switch(authenticationStrategy) {
        case ANONYMOUS:
            context.setAnonymousReadOnly(true);
            break;
        default:
            final String userDn = configurationContext.getProperty(PROP_MANAGER_DN).getValue();
            final String password = configurationContext.getProperty(PROP_MANAGER_PASSWORD).getValue();
            context.setUserDn(userDn);
            context.setPassword(password);
            switch(authenticationStrategy) {
                case SIMPLE:
                    context.setAuthenticationStrategy(new SimpleDirContextAuthenticationStrategy());
                    break;
                case LDAPS:
                    context.setAuthenticationStrategy(new SimpleDirContextAuthenticationStrategy());
                    // indicate a secure connection
                    baseEnvironment.put(Context.SECURITY_PROTOCOL, "ssl");
                    // get the configured ssl context
                    final SSLContext ldapsSslContext = getConfiguredSslContext(configurationContext);
                    if (ldapsSslContext != null) {
                        // initialize the ldaps socket factory prior to use
                        LdapsSocketFactory.initialize(ldapsSslContext.getSocketFactory());
                        baseEnvironment.put("java.naming.ldap.factory.socket", LdapsSocketFactory.class.getName());
                    }
                    break;
                case START_TLS:
                    final AbstractTlsDirContextAuthenticationStrategy tlsAuthenticationStrategy = new DefaultTlsDirContextAuthenticationStrategy();
                    // shutdown gracefully
                    final String rawShutdownGracefully = configurationContext.getProperty("TLS - Shutdown Gracefully").getValue();
                    if (StringUtils.isNotBlank(rawShutdownGracefully)) {
                        final boolean shutdownGracefully = Boolean.TRUE.toString().equalsIgnoreCase(rawShutdownGracefully);
                        tlsAuthenticationStrategy.setShutdownTlsGracefully(shutdownGracefully);
                    }
                    // get the configured ssl context
                    final SSLContext startTlsSslContext = getConfiguredSslContext(configurationContext);
                    if (startTlsSslContext != null) {
                        tlsAuthenticationStrategy.setSslSocketFactory(startTlsSslContext.getSocketFactory());
                    }
                    // set the authentication strategy
                    context.setAuthenticationStrategy(tlsAuthenticationStrategy);
                    break;
            }
            break;
    }
    // referrals
    final String rawReferralStrategy = configurationContext.getProperty(PROP_REFERRAL_STRATEGY).getValue();
    final ReferralStrategy referralStrategy;
    try {
        referralStrategy = ReferralStrategy.valueOf(rawReferralStrategy);
    } catch (final IllegalArgumentException iae) {
        throw new AuthorizerCreationException(String.format("Unrecognized referral strategy '%s'. Possible values are [%s]", rawReferralStrategy, StringUtils.join(ReferralStrategy.values(), ", ")));
    }
    // using the value as this needs to be the lowercase version while the value is configured with the enum constant
    context.setReferral(referralStrategy.getValue());
    // url
    final String urls = configurationContext.getProperty(PROP_URL).getValue();
    if (StringUtils.isBlank(urls)) {
        throw new AuthorizerCreationException("LDAP identity provider 'Url' must be specified.");
    }
    // connection
    context.setUrls(StringUtils.split(urls));
    // raw user search base
    final PropertyValue rawUserSearchBase = configurationContext.getProperty(PROP_USER_SEARCH_BASE);
    final PropertyValue rawUserObjectClass = configurationContext.getProperty(PROP_USER_OBJECT_CLASS);
    final PropertyValue rawUserSearchScope = configurationContext.getProperty(PROP_USER_SEARCH_SCOPE);
    // if loading the users, ensure the object class set
    if (rawUserSearchBase.isSet() && !rawUserObjectClass.isSet()) {
        throw new AuthorizerCreationException("LDAP user group provider 'User Object Class' must be specified when 'User Search Base' is set.");
    }
    // if loading the users, ensure the search scope is set
    if (rawUserSearchBase.isSet() && !rawUserSearchScope.isSet()) {
        throw new AuthorizerCreationException("LDAP user group provider 'User Search Scope' must be specified when 'User Search Base' is set.");
    }
    // user search criteria
    userSearchBase = rawUserSearchBase.getValue();
    userObjectClass = rawUserObjectClass.getValue();
    userSearchFilter = configurationContext.getProperty(PROP_USER_SEARCH_FILTER).getValue();
    userIdentityAttribute = configurationContext.getProperty(PROP_USER_IDENTITY_ATTRIBUTE).getValue();
    userGroupNameAttribute = configurationContext.getProperty(PROP_USER_GROUP_ATTRIBUTE).getValue();
    userGroupReferencedGroupAttribute = configurationContext.getProperty(PROP_USER_GROUP_REFERENCED_GROUP_ATTRIBUTE).getValue();
    try {
        userSearchScope = SearchScope.valueOf(rawUserSearchScope.getValue());
    } catch (final IllegalArgumentException iae) {
        throw new AuthorizerCreationException(String.format("Unrecognized user search scope '%s'. Possible values are [%s]", rawUserSearchScope.getValue(), StringUtils.join(SearchScope.values(), ", ")));
    }
    // determine user behavior
    useDnForUserIdentity = StringUtils.isBlank(userIdentityAttribute);
    performUserSearch = StringUtils.isNotBlank(userSearchBase);
    // raw group search criteria
    final PropertyValue rawGroupSearchBase = configurationContext.getProperty(PROP_GROUP_SEARCH_BASE);
    final PropertyValue rawGroupObjectClass = configurationContext.getProperty(PROP_GROUP_OBJECT_CLASS);
    final PropertyValue rawGroupSearchScope = configurationContext.getProperty(PROP_GROUP_SEARCH_SCOPE);
    // if loading the groups, ensure the object class is set
    if (rawGroupSearchBase.isSet() && !rawGroupObjectClass.isSet()) {
        throw new AuthorizerCreationException("LDAP user group provider 'Group Object Class' must be specified when 'Group Search Base' is set.");
    }
    // if loading the groups, ensure the search scope is set
    if (rawGroupSearchBase.isSet() && !rawGroupSearchScope.isSet()) {
        throw new AuthorizerCreationException("LDAP user group provider 'Group Search Scope' must be specified when 'Group Search Base' is set.");
    }
    // group search criteria
    groupSearchBase = rawGroupSearchBase.getValue();
    groupObjectClass = rawGroupObjectClass.getValue();
    groupSearchFilter = configurationContext.getProperty(PROP_GROUP_SEARCH_FILTER).getValue();
    groupNameAttribute = configurationContext.getProperty(PROP_GROUP_NAME_ATTRIBUTE).getValue();
    groupMemberAttribute = configurationContext.getProperty(PROP_GROUP_MEMBER_ATTRIBUTE).getValue();
    groupMemberReferencedUserAttribute = configurationContext.getProperty(PROP_GROUP_MEMBER_REFERENCED_USER_ATTRIBUTE).getValue();
    try {
        groupSearchScope = SearchScope.valueOf(rawGroupSearchScope.getValue());
    } catch (final IllegalArgumentException iae) {
        throw new AuthorizerCreationException(String.format("Unrecognized group search scope '%s'. Possible values are [%s]", rawGroupSearchScope.getValue(), StringUtils.join(SearchScope.values(), ", ")));
    }
    // determine group behavior
    useDnForGroupName = StringUtils.isBlank(groupNameAttribute);
    performGroupSearch = StringUtils.isNotBlank(groupSearchBase);
    // ensure we are either searching users or groups (at least one must be specified)
    if (!performUserSearch && !performGroupSearch) {
        throw new AuthorizerCreationException("LDAP user group provider 'User Search Base' or 'Group Search Base' must be specified.");
    }
    // ensure group member attribute is set if searching groups but not users
    if (performGroupSearch && !performUserSearch && StringUtils.isBlank(groupMemberAttribute)) {
        throw new AuthorizerCreationException("'Group Member Attribute' is required when searching groups but not users.");
    }
    // ensure that performUserSearch is set when groupMemberReferencedUserAttribute is specified
    if (StringUtils.isNotBlank(groupMemberReferencedUserAttribute) && !performUserSearch) {
        throw new AuthorizerCreationException("''User Search Base' must be set when specifying 'Group Member Attribute - Referenced User Attribute'.");
    }
    // ensure that performGroupSearch is set when userGroupReferencedGroupAttribute is specified
    if (StringUtils.isNotBlank(userGroupReferencedGroupAttribute) && !performGroupSearch) {
        throw new AuthorizerCreationException("'Group Search Base' must be set when specifying 'User Group Name Attribute - Referenced Group Attribute'.");
    }
    // get the page size if configured
    final PropertyValue rawPageSize = configurationContext.getProperty(PROP_PAGE_SIZE);
    if (rawPageSize.isSet() && StringUtils.isNotBlank(rawPageSize.getValue())) {
        pageSize = rawPageSize.asInteger();
    }
    // extract the identity mappings from nifi.properties if any are provided
    identityMappings = Collections.unmodifiableList(IdentityMappingUtil.getIdentityMappings(properties));
    // set the base environment is necessary
    if (!baseEnvironment.isEmpty()) {
        context.setBaseEnvironmentProperties(baseEnvironment);
    }
    try {
        // handling initializing beans
        context.afterPropertiesSet();
    } catch (final Exception e) {
        throw new AuthorizerCreationException(e.getMessage(), e);
    }
    final PropertyValue rawSyncInterval = configurationContext.getProperty(PROP_SYNC_INTERVAL);
    final long syncInterval;
    if (rawSyncInterval.isSet()) {
        try {
            syncInterval = FormatUtils.getTimeDuration(rawSyncInterval.getValue(), TimeUnit.MILLISECONDS);
        } catch (final IllegalArgumentException iae) {
            throw new AuthorizerCreationException(String.format("The %s '%s' is not a valid time duration", PROP_SYNC_INTERVAL, rawSyncInterval.getValue()));
        }
        if (syncInterval < MINIMUM_SYNC_INTERVAL_MILLISECONDS) {
            throw new AuthorizerCreationException(String.format("The %s '%s' is below the minimum value of '%d ms'", PROP_SYNC_INTERVAL, rawSyncInterval.getValue(), MINIMUM_SYNC_INTERVAL_MILLISECONDS));
        }
    } else {
        throw new AuthorizerCreationException(String.format("The '%s' must be specified.", PROP_SYNC_INTERVAL));
    }
    try {
        // perform the initial load, tenants must be loaded as the configured UserGroupProvider is supplied
        // to the AccessPolicyProvider for granting initial permissions
        load(context);
        // ensure the tenants were successfully synced
        if (tenants.get() == null) {
            throw new AuthorizerCreationException("Unable to sync users and groups.");
        }
        // schedule the background thread to load the users/groups
        ldapSync.scheduleWithFixedDelay(() -> load(context), syncInterval, syncInterval, TimeUnit.MILLISECONDS);
    } catch (final AuthorizationAccessException e) {
        throw new AuthorizerCreationException(e);
    }
}

Example 2 with AuthorizationAccessException

use of org.apache.nifi.authorization.exception.AuthorizationAccessException in project nifi by apache.

the class ManagedRangerAuthorizer method getFingerprint.

@Override
public String getFingerprint() throws AuthorizationAccessException {
    final StringWriter out = new StringWriter();
    try {
        // create the document
        final DocumentBuilder documentBuilder = DOCUMENT_BUILDER_FACTORY.newDocumentBuilder();
        final Document document = documentBuilder.newDocument();
        // create the root element
        final Element managedRangerAuthorizationsElement = document.createElement("managedRangerAuthorizations");
        document.appendChild(managedRangerAuthorizationsElement);
        // create the user group provider element
        final Element userGroupProviderElement = document.createElement(USER_GROUP_PROVIDER_ELEMENT);
        managedRangerAuthorizationsElement.appendChild(userGroupProviderElement);
        // append fingerprint if the provider is configurable
        if (userGroupProvider instanceof ConfigurableUserGroupProvider) {
            userGroupProviderElement.appendChild(document.createTextNode(((ConfigurableUserGroupProvider) userGroupProvider).getFingerprint()));
        }
        final Transformer transformer = TransformerFactory.newInstance().newTransformer();
        transformer.transform(new DOMSource(document), new StreamResult(out));
    } catch (ParserConfigurationException | TransformerException e) {
        throw new AuthorizationAccessException("Unable to generate fingerprint", e);
    }
    return out.toString();
}

Example 3 with AuthorizationAccessException

use of org.apache.nifi.authorization.exception.AuthorizationAccessException in project nifi by apache.

the class AbstractPolicyBasedAuthorizer method parsePoliciesUsersAndGroups.

private PoliciesUsersAndGroups parsePoliciesUsersAndGroups(final String fingerprint) {
    final List<AccessPolicy> accessPolicies = new ArrayList<>();
    final List<User> users = new ArrayList<>();
    final List<Group> groups = new ArrayList<>();
    final byte[] fingerprintBytes = fingerprint.getBytes(StandardCharsets.UTF_8);
    try (final ByteArrayInputStream in = new ByteArrayInputStream(fingerprintBytes)) {
        final DocumentBuilder docBuilder = DOCUMENT_BUILDER_FACTORY.newDocumentBuilder();
        final Document document = docBuilder.parse(in);
        final Element rootElement = document.getDocumentElement();
        // parse all the users and add them to the current authorizer
        NodeList userNodes = rootElement.getElementsByTagName(USER_ELEMENT);
        for (int i = 0; i < userNodes.getLength(); i++) {
            Node userNode = userNodes.item(i);
            users.add(parseUser((Element) userNode));
        }
        // parse all the groups and add them to the current authorizer
        NodeList groupNodes = rootElement.getElementsByTagName(GROUP_ELEMENT);
        for (int i = 0; i < groupNodes.getLength(); i++) {
            Node groupNode = groupNodes.item(i);
            groups.add(parseGroup((Element) groupNode));
        }
        // parse all the policies and add them to the current authorizer
        NodeList policyNodes = rootElement.getElementsByTagName(POLICY_ELEMENT);
        for (int i = 0; i < policyNodes.getLength(); i++) {
            Node policyNode = policyNodes.item(i);
            accessPolicies.add(parsePolicy((Element) policyNode));
        }
    } catch (SAXException | ParserConfigurationException | IOException e) {
        throw new AuthorizationAccessException("Unable to parse fingerprint", e);
    }
    return new PoliciesUsersAndGroups(accessPolicies, users, groups);
}

Example 4 with AuthorizationAccessException

use of org.apache.nifi.authorization.exception.AuthorizationAccessException in project nifi by apache.

the class FileAccessPolicyProvider method parsePolicies.

private List<AccessPolicy> parsePolicies(final String fingerprint) {
    final List<AccessPolicy> policies = new ArrayList<>();
    final byte[] fingerprintBytes = fingerprint.getBytes(StandardCharsets.UTF_8);
    try (final ByteArrayInputStream in = new ByteArrayInputStream(fingerprintBytes)) {
        final DocumentBuilder docBuilder = DOCUMENT_BUILDER_FACTORY.newDocumentBuilder();
        final Document document = docBuilder.parse(in);
        final Element rootElement = document.getDocumentElement();
        // parse all the policies and add them to the current access policy provider
        NodeList policyNodes = rootElement.getElementsByTagName(POLICY_ELEMENT);
        for (int i = 0; i < policyNodes.getLength(); i++) {
            Node policyNode = policyNodes.item(i);
            policies.add(parsePolicy((Element) policyNode));
        }
    } catch (SAXException | ParserConfigurationException | IOException e) {
        throw new AuthorizationAccessException("Unable to parse fingerprint", e);
    }
    return policies;
}

Example 5 with AuthorizationAccessException

use of org.apache.nifi.authorization.exception.AuthorizationAccessException in project nifi by apache.

the class FileAccessPolicyProvider method saveAndRefreshHolder.

/**
 * Saves the Authorizations instance by marshalling to a file, then re-populates the
 * in-memory data structures and sets the new holder.
 *
 * Synchronized to ensure only one thread writes the file at a time.
 *
 * @param authorizations the authorizations to save and populate from
 * @throws AuthorizationAccessException if an error occurs saving the authorizations
 */
private synchronized void saveAndRefreshHolder(final Authorizations authorizations) throws AuthorizationAccessException {
    try {
        saveAuthorizations(authorizations);
        this.authorizationsHolder.set(new AuthorizationsHolder(authorizations));
    } catch (JAXBException e) {
        throw new AuthorizationAccessException("Unable to save Authorizations", e);
    }
}