springboot和flowable modeler整合

Easter79
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准备:项目使用的是springboot2.1.5版本,flowable6.4.0版本

1. IDEA新建Spring Initializr项目,选择依赖,web和MySQL

2. 修改pom.xml依赖

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.1.5.RELEASE</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
    <groupId>com.sgcc.flowable</groupId>
    <artifactId>mpur-flowable-service</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <packaging>war</packaging>
    <name>mpur-flowable-service</name>
    <description>mpur-flowable-service</description>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
        <java.version>1.8</java.version>
        <mysql.version>5.1.38</mysql.version>
        <flowable.version>6.4.0</flowable.version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-actuator</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
            <exclusions>
                <exclusion>
                    <groupId>org.hibernate.validator</groupId>
                    <artifactId>hibernate-validator</artifactId>
                </exclusion>
            </exclusions>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter</artifactId>
            <exclusions>
                <exclusion>
                    <groupId>org.springframework.boot</groupId>
                    <artifactId>spring-boot-starter-logging</artifactId>
                </exclusion>
            </exclusions>
        </dependency>
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-api</artifactId>
            <version>1.7.21</version>
        </dependency>
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-log4j12</artifactId>
            <version>1.7.21</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-tomcat</artifactId>
            <scope>provided</scope>
        </dependency>
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <scope>runtime</scope>
        </dependency>
        <dependency>
            <groupId>org.flowable</groupId>
            <artifactId>flowable-spring-boot-starter</artifactId>
            <version>${flowable.version}</version>
        </dependency>
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>javax.servlet-api</artifactId>
            <scope>provided</scope>
        </dependency>
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>fastjson</artifactId>
            <version>1.2.54</version>
            <scope>compile</scope>
        </dependency>
        <!-- https://mvnrepository.com/artifact/org.flowable/flowable-ui-modeler-logic -->
        <dependency>
            <groupId>org.flowable</groupId>
            <artifactId>flowable-ui-modeler-logic</artifactId>
            <version>6.4.0</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/org.flowable/flowable-ui-modeler-conf -->
        <dependency>
            <groupId>org.flowable</groupId>
            <artifactId>flowable-ui-modeler-conf</artifactId>
            <version>6.4.0</version>
        </dependency>


    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>

</project>

3. 将下载的flowable6.4.0包中flowable-modeler.war解压,将flowable-modeler\WEB-INF\classes目录下的static文件夹全部复制到项目中

springboot和flowable modeler整合

4. 修改RemoteAccountResource类,保持包目录不变。

package org.flowable.ui.common.rest.idm.remote;

import org.flowable.ui.common.model.UserRepresentation;
import org.flowable.ui.common.security.DefaultPrivileges;
import org.flowable.ui.common.service.exception.NotFoundException;
import org.flowable.ui.common.service.idm.RemoteIdmService;
import org.springframework.beans.factory.annotation.Autowired;
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;

@RestController
@RequestMapping("/app")
public class RemoteAccountResource {

    @Autowired
    private RemoteIdmService remoteIdmService;

    /**
     * GET /rest/account -> get the current user.
     */
    @RequestMapping(value = "/rest/account", method = RequestMethod.GET, produces = "application/json")
    public UserRepresentation getAccount() {
//        UserRepresentation userRepresentation = null;
//        String currentUserId = SecurityUtils.getCurrentUserId();
//        if (currentUserId != null) {
//            RemoteUser remoteUser = remoteIdmService.getUser(currentUserId);
//            if (remoteUser != null) {
//                userRepresentation = new UserRepresentation(remoteUser);
//
//                if (remoteUser.getGroups() != null && remoteUser.getGroups().size() > 0) {
//                    List<GroupRepresentation> groups = new ArrayList<>();
//                    for (RemoteGroup remoteGroup : remoteUser.getGroups()) {
//                        groups.add(new GroupRepresentation(remoteGroup));
//                    }
//                    userRepresentation.setGroups(groups);
//                }
//
//                if (remoteUser.getPrivileges() != null && remoteUser.getPrivileges().size() > 0) {
//                    userRepresentation.setPrivileges(remoteUser.getPrivileges());
//                }
//
//            }
//        }
        UserRepresentation userRepresentation = new UserRepresentation();
        userRepresentation.setFirstName("admin");
        userRepresentation.setLastName("admin");
        userRepresentation.setFullName("admin");
        userRepresentation.setId("admin");
        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);
        userRepresentation.setPrivileges(pris);

        if (userRepresentation != null) {
            return userRepresentation;
        } else {
            throw new NotFoundException();
        }
    }

}

5. 修改SecurityUtils类,保证包目录不变。

/* 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.flowable.ui.common.security.DefaultPrivileges;
import org.flowable.ui.common.security.FlowableAppUser;
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;
        }

//        User user = null;
//        FlowableAppUser appUser = getCurrentFlowableAppUser();
//        if (appUser != null) {
//            user = appUser.getUserObject();
//        }

        RemoteUser user = new RemoteUser();
//        FlowableAppUser appUser = getCurrentFlowableAppUser();
//        if (appUser != null) {
//            user = appUser.getUserObject();
//        }
        user.setId("admin");
        user.setDisplayName("admin");
        user.setFirstName("admin");
        user.setLastName("admin");
        user.setEmail("admin@admin.com");
        user.setPassword("test");
        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;
    }

}

6.  修改SecurityConfiguration类,保证包目录不变。

/* 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.modeler.conf;

import org.flowable.ui.common.properties.FlowableRestAppProperties;
import org.flowable.ui.common.security.ActuatorRequestMatcher;
import org.flowable.ui.common.security.ClearFlowableCookieLogoutHandler;
import org.flowable.ui.common.security.DefaultPrivileges;
import org.flowable.ui.modeler.properties.FlowableModelerAppProperties;
import org.flowable.ui.modeler.security.AjaxLogoutSuccessHandler;
import org.flowable.ui.modeler.security.RemoteIdmAuthenticationProvider;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.actuate.autoconfigure.security.servlet.EndpointRequest;
import org.springframework.boot.actuate.health.HealthEndpoint;
import org.springframework.boot.actuate.info.InfoEndpoint;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.annotation.Order;
import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.config.http.SessionCreationPolicy;
import org.springframework.security.web.header.writers.XXssProtectionHeaderWriter;

/**
 * Based on http://docs.spring.io/spring-security/site/docs/3.2.x/reference/htmlsingle/#multiple-httpsecurity
 *
 * @author Joram Barrez
 * @author Tijs Rademakers
 * @author Filip Hrisafov
 */
@Configuration
@EnableWebSecurity
public class SecurityConfiguration {

    private static final Logger LOGGER = LoggerFactory.getLogger(org.flowable.ui.modeler.conf.SecurityConfiguration.class);

    public static final String REST_ENDPOINTS_PREFIX = "/app/rest";

    @Autowired
    protected RemoteIdmAuthenticationProvider authenticationProvider;

//    @Bean
//    public FlowableCookieFilterRegistrationBean flowableCookieFilterRegistrationBean(RemoteIdmService remoteIdmService, FlowableCommonAppProperties properties) {
//        FlowableCookieFilterRegistrationBean filter = new FlowableCookieFilterRegistrationBean(remoteIdmService, properties);
//        filter.addUrlPatterns("/app/*");
//        filter.setRequiredPrivileges(Collections.singletonList(DefaultPrivileges.ACCESS_MODELER));
//        return filter;
//    }

    @Autowired
    public void configureGlobal(AuthenticationManagerBuilder auth) {

        // Default auth (database backed)
        try {
            auth.authenticationProvider(authenticationProvider);
        } catch (Exception e) {
            LOGGER.error("Could not configure authentication mechanism:", e);
        }
    }

    @Configuration
    @Order(10)
    public static class FormLoginWebSecurityConfigurerAdapter extends WebSecurityConfigurerAdapter {

//        @Autowired
//        protected FlowableCookieFilterRegistrationBean flowableCookieFilterRegistrationBean;

        @Autowired
        protected AjaxLogoutSuccessHandler ajaxLogoutSuccessHandler;

        @Override
        protected void configure(HttpSecurity http) throws Exception {
            http
                    .sessionManagement()
                    .sessionCreationPolicy(SessionCreationPolicy.STATELESS)
                    .and()
//                    .addFilterBefore(flowableCookieFilterRegistrationBean.getFilter(), UsernamePasswordAuthenticationFilter.class)
                    .logout()
                    .logoutUrl("/app/logout")
                    .logoutSuccessHandler(ajaxLogoutSuccessHandler)
                    .addLogoutHandler(new ClearFlowableCookieLogoutHandler())
                    .and()
                    .csrf()
                    .disable() // Disabled, cause enabling it will cause sessions
                    .headers()
                    .frameOptions()
                    .sameOrigin()
                    .addHeaderWriter(new XXssProtectionHeaderWriter())
                    .and()
                    .authorizeRequests()
//                    .antMatchers(REST_ENDPOINTS_PREFIX + "/**").hasAuthority(DefaultPrivileges.ACCESS_MODELER);
                    .antMatchers(REST_ENDPOINTS_PREFIX + "/**").permitAll();
        }
    }

    //
    // BASIC AUTH
    //

    @Configuration
    @Order(1)
    public static class ApiWebSecurityConfigurationAdapter extends WebSecurityConfigurerAdapter {

        protected final FlowableRestAppProperties restAppProperties;
        protected final FlowableModelerAppProperties modelerAppProperties;

        public ApiWebSecurityConfigurationAdapter(FlowableRestAppProperties restAppProperties,
                                                  FlowableModelerAppProperties modelerAppProperties) {
            this.restAppProperties = restAppProperties;
            this.modelerAppProperties = modelerAppProperties;
        }

        protected void configure(HttpSecurity http) throws Exception {

            http
                    .sessionManagement()
                    .sessionCreationPolicy(SessionCreationPolicy.STATELESS)
                    .and()
                    .csrf()
                    .disable();

            http.antMatcher("/api/**").authorizeRequests().antMatchers("/api/**").permitAll();

//            if (modelerAppProperties.isRestEnabled()) {
//
//                if (restAppProperties.isVerifyRestApiPrivilege()) {
//                    http.antMatcher("/api/**").authorizeRequests().antMatchers("/api/**").hasAuthority(DefaultPrivileges.ACCESS_REST_API).and().httpBasic();
//                } else {
//                    http.antMatcher("/api/**").authorizeRequests().antMatchers("/api/**").authenticated().and().httpBasic();
//
//                }
//
//            } else {
//                http.antMatcher("/api/**").authorizeRequests().antMatchers("/api/**").denyAll();
//
//            }

        }
    }

    //
    // Actuator
    //

    @ConditionalOnClass(EndpointRequest.class)
    @Configuration
    @Order(5) // Actuator configuration should kick in before the Form Login there should always be http basic for the endpoints
    public static class ActuatorWebSecurityConfigurationAdapter extends WebSecurityConfigurerAdapter {

        protected void configure(HttpSecurity http) throws Exception {

            http
                    .sessionManagement()
                    .sessionCreationPolicy(SessionCreationPolicy.STATELESS)
                    .and()
                    .csrf()
                    .disable();

            http
                    .requestMatcher(new ActuatorRequestMatcher())
                    .authorizeRequests()
                    .requestMatchers(EndpointRequest.to(InfoEndpoint.class, HealthEndpoint.class)).authenticated()
                    .requestMatchers(EndpointRequest.toAnyEndpoint()).hasAnyAuthority(DefaultPrivileges.ACCESS_ADMIN)
                    .and().httpBasic();
        }
    }
}

springboot和flowable modeler整合

7. 配置日志信息,flowable使用的是slf4j日志,新建文件log4j.properties,内容如下:

log4j.rootLogger=DEBUG, CA

log4j.appender.CA=org.apache.log4j.ConsoleAppender
log4j.appender.CA.layout=org.apache.log4j.PatternLayout
log4j.appender.CA.layout.ConversionPattern= %d{hh:mm:ss,SSS} [%t] %-5p %c %x - %m%n

8. 项目配置,新建application.yml,文件内容:

###################  端口配置 ###################
server:
  port: 8989


###################  spring配置  ###################
spring:
  datasource:
    url: jdbc:mysql://localhost:3306/flowable?allowMultiQueries=true&useUnicode=true&characterEncoding=utf-8&nullCatalogMeansCurrent=true
    username: root
    password: root
    driver-class-name: com.mysql.jdbc.Driver


flowable:
    common:
      app:
        idm-url: http://localhost:8989/flowable-idm
        idm-admin:
          user: admin
          password: test

    async-executor-activate: false #关闭定时任务JOB
    database-schema-update: false

springboot和flowable modeler整合

9. 启动项目,访问http://localhost:8989/即可

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