package cn.iocoder.yudao.module.system.framework.agent;
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import cn.iocoder.yudao.framework.security.core.service.SecurityFrameworkService;
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import cn.iocoder.yudao.framework.security.core.util.SecurityFrameworkUtils;
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import jakarta.annotation.Resource;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.http.HttpStatus;
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import org.springframework.stereotype.Component;
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import java.nio.charset.StandardCharsets;
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import java.security.MessageDigest;
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import java.util.List;
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/** 桥接统一鉴权:服务令牌 + 当前登录用户 + 业务权限,缺一不可。 */
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@Component
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public class SystemAgentBridgeGuard {
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public static final String PERMISSION_ITEM_IMPORT = "mdm:item:import";
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/** 各业务模块的导入权限;会话创建与附件读取只需命中其中任意一项。 */
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public static final List<String> IMPORT_PERMISSIONS = List.of(
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PERMISSION_ITEM_IMPORT,
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"srm:supplier:create",
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"mes:md-item:create",
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"mes:qc-template:create",
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"mes:pro-mps:create",
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"mes:pro-route:create");
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@Value("${yudao.agent.bridge-service-token:}")
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private String bridgeServiceToken;
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@Resource
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private SecurityFrameworkService securityFrameworkService;
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@Resource
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private SystemAgentDelegationService delegationService;
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public void verifyServiceToken(String provided) {
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if (bridgeServiceToken == null || bridgeServiceToken.isBlank() || provided == null
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|| !MessageDigest.isEqual(bridgeServiceToken.getBytes(StandardCharsets.UTF_8),
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provided.getBytes(StandardCharsets.UTF_8))) {
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throw new AgentBridgeException(HttpStatus.FORBIDDEN, "SERVICE_TOKEN_INVALID",
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"智能体服务身份无效,请检查服务密钥配置");
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}
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}
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/** 只确认服务身份与当前登录用户;具体能力由调用方逐项收紧。 */
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public AgentPrincipal requireAuthenticated(String providedServiceToken) {
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verifyServiceToken(providedServiceToken);
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Long userId = SecurityFrameworkUtils.getLoginUserId();
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if (userId == null) {
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throw new AgentBridgeException(HttpStatus.UNAUTHORIZED, "UNAUTHORIZED", "未登录或登录已过期");
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}
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return principalOf(userId);
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}
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public AgentPrincipal require(String providedServiceToken, String permission) {
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verifyServiceToken(providedServiceToken);
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Long userId = SecurityFrameworkUtils.getLoginUserId();
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if (userId == null) {
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throw new AgentBridgeException(HttpStatus.UNAUTHORIZED, "UNAUTHORIZED", "未登录或登录已过期");
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}
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if (!securityFrameworkService.hasPermission(permission)) {
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throw new AgentBridgeException(HttpStatus.FORBIDDEN, "FORBIDDEN",
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"当前用户缺少数据导入权限(" + permission + ")");
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}
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return principalOf(userId);
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}
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public AgentPrincipal require(String providedServiceToken, String delegationToken, String taskId,
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String operation, String permission, String moduleId, Long attachmentId) {
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verifyServiceToken(providedServiceToken);
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if (delegationToken != null && !delegationToken.isBlank()) {
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return delegationService.require(delegationToken, taskId, operation, permission, moduleId, attachmentId);
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}
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return require(providedServiceToken, permission);
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}
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/** 会话与附件入口无法预知模块,只要求具备任意一项导入权限。 */
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public AgentPrincipal requireAny(String providedServiceToken) {
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verifyServiceToken(providedServiceToken);
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Long userId = SecurityFrameworkUtils.getLoginUserId();
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if (userId == null) {
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throw new AgentBridgeException(HttpStatus.UNAUTHORIZED, "UNAUTHORIZED", "未登录或登录已过期");
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}
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if (!securityFrameworkService.hasAnyPermissions(IMPORT_PERMISSIONS.toArray(String[]::new))) {
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throw new AgentBridgeException(HttpStatus.FORBIDDEN, "FORBIDDEN", "当前用户缺少数据导入权限");
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}
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return principalOf(userId);
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}
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public AgentPrincipal requireAny(String providedServiceToken, String delegationToken, String taskId,
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String operation, String moduleId, Long attachmentId) {
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if (delegationToken == null || delegationToken.isBlank()) {
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return requireAny(providedServiceToken);
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}
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verifyServiceToken(providedServiceToken);
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AgentBridgeException last = null;
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for (String permission : IMPORT_PERMISSIONS) {
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try {
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return delegationService.require(delegationToken, taskId, operation, permission, moduleId, attachmentId);
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} catch (AgentBridgeException ex) {
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last = ex;
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if (!"DELEGATION_SCOPE_MISMATCH".equals(ex.getErrorCode())
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&& !"DELEGATION_PERMISSION_REVOKED".equals(ex.getErrorCode())) {
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throw ex;
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}
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}
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}
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throw last == null ? new AgentBridgeException(HttpStatus.FORBIDDEN, "FORBIDDEN", "委托票据权限不足") : last;
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}
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private AgentPrincipal principalOf(Long userId) {
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return new AgentPrincipal(userId, "live");
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}
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}
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