SpringBoot 集成 Flowable + Flowable Modeler 流程配置可视化（图解）（三）

/* 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 org.flowable.ui.common.security;
import org.flowable.idm.api.User;
import org.flowable.ui.common.model.RemoteUser;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.context.SecurityContext;
import org.springframework.security.core.context.SecurityContextHolder;
import java.util.ArrayList;
import java.util.List;
/**
 * Utility class for Spring Security.
 */
public class SecurityUtils {
    private static User assumeUser;
    private SecurityUtils() {
    }
    /**
     * Get the login of the current user.
     */
    public static String getCurrentUserId() {
        User user = getCurrentUserObject();
        if (user != null) {
            return user.getId();
        }
        return null;
    }
    /**
     * @return the {@link User} object associated with the current logged in user.
     */
    public static User getCurrentUserObject() {
        if (assumeUser != null) {
            return assumeUser;
        }
        RemoteUser user = new RemoteUser();
        user.setId("admin");
        user.setDisplayName("Administrator");
        user.setFirstName("Administrator");
        user.setLastName("Administrator");
        user.setEmail("admin@flowable.com");
        user.setPassword("123456");
        List<String> pris = new ArrayList<>();
        pris.add(DefaultPrivileges.ACCESS_MODELER);
        pris.add(DefaultPrivileges.ACCESS_IDM);
        pris.add(DefaultPrivileges.ACCESS_ADMIN);
        pris.add(DefaultPrivileges.ACCESS_TASK);
        pris.add(DefaultPrivileges.ACCESS_REST_API);
        user.setPrivileges(pris);
        return user;
    }
    public static FlowableAppUser getCurrentFlowableAppUser() {
        FlowableAppUser user = null;
        SecurityContext securityContext = SecurityContextHolder.getContext();
        if (securityContext != null && securityContext.getAuthentication() != null) {
            Object principal = securityContext.getAuthentication().getPrincipal();
            if (principal instanceof FlowableAppUser) {
                user = (FlowableAppUser) principal;
            }
        }
        return user;
    }
    public static boolean currentUserHasCapability(String capability) {
        FlowableAppUser user = getCurrentFlowableAppUser();
        for (GrantedAuthority grantedAuthority : user.getAuthorities()) {
            if (capability.equals(grantedAuthority.getAuthority())) {
                return true;
            }
        }
        return false;
    }
    public static void assumeUser(User user) {
        assumeUser = user;
    }
    public static void clearAssumeUser() {
        assumeUser = null;
    }
}

package com.flowable.modeler.controller;
import org.flowable.ui.common.model.UserRepresentation;
import org.flowable.ui.common.security.DefaultPrivileges;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;
import java.util.ArrayList;
import java.util.List;
/**
 * @author yangjian
 * @date 2023/9/7 13:42:11
 */
@RestController
@RequestMapping("/login")
public class FlowableController {
    /**
     * 获取默认的管理员信息
     * @return
     */
    @RequestMapping(value = "/rest/account", method = RequestMethod.GET, produces = "application/json")
    public UserRepresentation getAccount() {
        UserRepresentation userRepresentation = new UserRepresentation();
        userRepresentation.setId("admin");
        userRepresentation.setEmail("admin@flowable.org");
        userRepresentation.setFullName("Administrator");
        // userRepresentation.setLastName("Administrator");
        userRepresentation.setFirstName("Administrator");
        List<String> privileges = new ArrayList<>();
        privileges.add(DefaultPrivileges.ACCESS_MODELER);
        privileges.add(DefaultPrivileges.ACCESS_IDM);
        privileges.add(DefaultPrivileges.ACCESS_ADMIN);
        privileges.add(DefaultPrivileges.ACCESS_TASK);
        privileges.add(DefaultPrivileges.ACCESS_REST_API);
        userRepresentation.setPrivileges(privileges);
        return userRepresentation;
    }
}

package com.flowable.modeler;
import com.flowable.modeler.config.flowable.ApplicationConfiguration;
import com.flowable.modeler.config.flowable.AppDispatcherServletConfiguration;
import com.flowable.modeler.config.flowable.DatabaseAutoConfiguration;
import org.flowable.ui.modeler.conf.DatabaseConfiguration;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.autoconfigure.security.servlet.SecurityAutoConfiguration;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Import;
//启用全局异常拦截器
@Import(value={
    // 引入修改的配置
    ApplicationConfiguration.class,
    AppDispatcherServletConfiguration.class,
    // 引入 DatabaseConfiguration 表更新转换,
    DatabaseAutoConfiguration.class
})
// Spring Cloud 为 Finchley 版本
@ComponentScan(basePackages = {"com.flowable.modeler.*"})
@SpringBootApplication(exclude={SecurityAutoConfiguration.class})
// @SpringBootApplication
public class FlowableModelerDemoApplication {
  public static void main(String[] args) {
    SpringApplication.run(FlowableModelerDemoApplication.class, args);
  }
}