io.gravitee.am.identityprovider.api.IdentityProviderArrayPropertyMapper Maven / Gradle / Ivy

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/**
 * Copyright (C) 2015 The Gravitee team (http://gravitee.io)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package io.gravitee.am.identityprovider.api;

import io.gravitee.el.TemplateEngine;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.util.StringUtils;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;

import static io.gravitee.am.identityprovider.api.AuthenticationContext.CONTEXT_KEY_PROFILE;
import static java.util.function.Predicate.not;

abstract class IdentityProviderArrayPropertyMapper {
    public static final Logger LOGGER = LoggerFactory.getLogger(IdentityProviderArrayPropertyMapper.class);

    protected Map properties;

    protected Map getProperties() {
        return properties;
    }

    protected void setProperties(Map properties) {
        this.properties = properties;
    }

    public List apply(AuthenticationContext context, Map userInfo) {
        Set mappedGroups = new HashSet<>();
        if (properties != null) {

            TemplateEngine templateEngine = context.getTemplateEngine();
            if (templateEngine != null) {
                templateEngine.getTemplateContext().setVariable(CONTEXT_KEY_PROFILE, userInfo);
            }

            properties.forEach((group, users) -> {
                Arrays.stream(users).filter(not(StringUtils::isEmpty)).map(String::trim).forEach(u -> {
                    if (u.startsWith("{") && u.endsWith("}") && templateEngine != null) {
                        try {
                            if (templateEngine.getValue(u, Boolean.class)) {
                                mappedGroups.add(group);
                            }
                        } catch (Exception e) {
                            LOGGER.warn("Group mapper can't evaluate the expression [{}] as boolean", u);
                        }
                    } else {
                        // user/group have the following syntax userAttribute=userValue
                        String[] attributes = u.split("=", 2);
                        if (attributes.length == 2){
                            String userAttribute = attributes[0];
                            String userValue = attributes[1];
                            if (userInfo.containsKey(userAttribute)
                                    && ((userInfo.get(userAttribute) instanceof Collection
                                    && ((Collection) userInfo.get(userAttribute)).contains(userValue))
                                    || userValue.equals(String.valueOf(userInfo.get(userAttribute))))) {
                                mappedGroups.add(group);
                            }
                        }
                    }
                });
            });
        }
        return new ArrayList<>(mappedGroups);
    }
}