优化

overseas-security-service/src/main/java/com/baiyue/overseassecurity/OverseasSecurityApplication.java

@@ -0,0 +1,11 @@
+package com.baiyue.overseassecurity;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class OverseasSecurityApplication {
+    public static void main(String[] args) {
+        SpringApplication.run(OverseasSecurityApplication.class, args);
+    }
+}

overseas-security-service/src/main/java/com/baiyue/overseassecurity/controller/OverseasSecurityController.java

@@ -0,0 +1,52 @@
+package com.baiyue.overseassecurity.controller;
+
+import com.baiyue.common.core.api.ApiResponse;
+import com.baiyue.common.event.EventEnvelope;
+import com.baiyue.overseassecurity.dto.OverseasSecurityDtos.Acknowledgement;
+import com.baiyue.overseassecurity.dto.OverseasSecurityDtos.ValidationRequest;
+import com.baiyue.overseassecurity.dto.OverseasSecurityDtos.ValidationResponse;
+import com.baiyue.overseassecurity.security.InternalServiceTokenGuard;
+import com.baiyue.overseassecurity.service.OverseasSecurityValidationService;
+import com.baiyue.overseassecurity.service.SecurityProjectionService;
+import io.swagger.v3.oas.annotations.Hidden;
+import jakarta.validation.Valid;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestHeader;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.time.Instant;
+
+@Hidden
+@RestController
+@RequestMapping("/internal/overseas-security/v1")
+public class OverseasSecurityController {
+    private final InternalServiceTokenGuard tokenGuard;
+    private final SecurityProjectionService projections;
+    private final OverseasSecurityValidationService validations;
+
+    public OverseasSecurityController(InternalServiceTokenGuard tokenGuard, SecurityProjectionService projections,
+                                      OverseasSecurityValidationService validations) {
+        this.tokenGuard = tokenGuard;
+        this.projections = projections;
+        this.validations = validations;
+    }
+
+    @PostMapping("/events")
+    public ApiResponse<Acknowledgement> receive(
+            @RequestHeader(value = "X-Internal-Service-Token", required = false) String token,
+            @RequestBody EventEnvelope envelope) {
+        tokenGuard.verify(token);
+        var result = projections.consume(envelope);
+        return ApiResponse.success(new Acknowledgement(envelope.eventId(), result.result(), Instant.now()));
+    }
+
+    @PostMapping("/validate")
+    public ApiResponse<ValidationResponse> validate(
+            @RequestHeader(value = "X-Internal-Service-Token", required = false) String token,
+            @Valid @RequestBody ValidationRequest request) {
+        tokenGuard.verify(token);
+        return ApiResponse.success(validations.validate(request));
+    }
+}

overseas-security-service/src/main/java/com/baiyue/overseassecurity/dto/OverseasSecurityDtos.java

@@ -0,0 +1,28 @@
+package com.baiyue.overseassecurity.dto;
+
+import jakarta.validation.constraints.Min;
+import jakarta.validation.constraints.NotNull;
+
+import java.time.Instant;
+
+public final class OverseasSecurityDtos {
+    private OverseasSecurityDtos() { }
+
+    public record Acknowledgement(String eventId, String result, Instant receivedAt) { }
+
+    public record ValidationRequest(@NotNull @Min(1) Long userId,
+                                    @NotNull @Min(0) Long tenantId,
+                                    @NotNull @Min(0) Long tokenVersion,
+                                    @NotNull @Min(0) Long permissionVersion) { }
+
+    public record ValidationResponse(boolean valid, FailureReason failureReason) {
+        public static ValidationResponse accepted() { return new ValidationResponse(true, null); }
+        public static ValidationResponse rejected(FailureReason reason) { return new ValidationResponse(false, reason); }
+    }
+
+    public enum FailureReason {
+        USER_DISABLED,
+        TENANT_DISABLED,
+        PERMISSION_VERSION_STALE
+    }
+}

overseas-security-service/src/main/java/com/baiyue/overseassecurity/security/InternalServiceTokenGuard.java

@@ -0,0 +1,26 @@
+package com.baiyue.overseassecurity.security;
+
+import com.baiyue.common.core.api.ResultCode;
+import com.baiyue.common.core.exception.BizException;
+import jakarta.annotation.PostConstruct;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Component;
+
+import java.nio.charset.StandardCharsets;
+import java.security.MessageDigest;
+
+@Component
+public class InternalServiceTokenGuard {
+    @Value("${baiyue.security.internal-service-token:}") private String configuredToken;
+    private byte[] expected;
+
+    @PostConstruct void initialize() {
+        expected = configuredToken == null ? new byte[0] : configuredToken.getBytes(StandardCharsets.UTF_8);
+        if (expected.length < 32) throw new IllegalStateException("INTERNAL_SERVICE_TOKEN 至少需要 32 字节");
+    }
+
+    public void verify(String supplied) {
+        byte[] actual = supplied == null ? new byte[0] : supplied.getBytes(StandardCharsets.UTF_8);
+        if (!MessageDigest.isEqual(expected, actual)) throw new BizException(ResultCode.FORBIDDEN, "内部服务令牌无效");
+    }
+}

overseas-security-service/src/main/java/com/baiyue/overseassecurity/service/OverseasSecurityValidationService.java

@@ -0,0 +1,44 @@
+package com.baiyue.overseassecurity.service;
+
+import com.baiyue.overseassecurity.dto.OverseasSecurityDtos.FailureReason;
+import com.baiyue.overseassecurity.dto.OverseasSecurityDtos.ValidationRequest;
+import com.baiyue.overseassecurity.dto.OverseasSecurityDtos.ValidationResponse;
+import org.springframework.jdbc.core.JdbcTemplate;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+
+@Service
+public class OverseasSecurityValidationService {
+    private final JdbcTemplate jdbc;
+
+    public OverseasSecurityValidationService(JdbcTemplate jdbc) {
+        this.jdbc = jdbc;
+    }
+
+    public ValidationResponse validate(ValidationRequest request) {
+        String userStatus = status("USER", String.valueOf(request.userId()));
+        if (userStatus != null && !"ACTIVE".equals(userStatus)) {
+            return ValidationResponse.rejected(FailureReason.USER_DISABLED);
+        }
+        String tenantStatus = status("TENANT", String.valueOf(request.tenantId()));
+        if (tenantStatus != null && !"ACTIVE".equals(tenantStatus)) {
+            return ValidationResponse.rejected(FailureReason.TENANT_DISABLED);
+        }
+        Long projectedVersion = jdbc.queryForObject(
+                "SELECT MAX(permission_version) FROM overseas_security_projection "
+                        + "WHERE aggregate_id=? AND aggregate_type IN ('USER','AUTHORIZATION')",
+                Long.class, String.valueOf(request.userId()));
+        if (projectedVersion != null && request.permissionVersion() < projectedVersion) {
+            return ValidationResponse.rejected(FailureReason.PERMISSION_VERSION_STALE);
+        }
+        return ValidationResponse.accepted();
+    }
+
+    private String status(String type, String id) {
+        List<String> values = jdbc.query("SELECT security_status FROM overseas_security_projection "
+                        + "WHERE aggregate_type=? AND aggregate_id=?",
+                (rs, row) -> rs.getString(1), type, id);
+        return values.isEmpty() ? null : values.get(0);
+    }
+}

overseas-security-service/src/main/java/com/baiyue/overseassecurity/service/ProjectionMonotonicity.java

@@ -0,0 +1,19 @@
+package com.baiyue.overseassecurity.service;
+
+import com.baiyue.common.core.api.ResultCode;
+import com.baiyue.common.core.exception.BizException;
+
+import java.util.Objects;
+
+final class ProjectionMonotonicity {
+    private ProjectionMonotonicity() { }
+
+    static Decision decide(Long currentVersion, String currentHash, long incomingVersion, String incomingHash) {
+        if (currentVersion == null || incomingVersion > currentVersion) return Decision.APPLY;
+        if (incomingVersion < currentVersion) return Decision.STALE;
+        if (Objects.equals(currentHash, incomingHash)) return Decision.DUPLICATE_VERSION;
+        throw new BizException(ResultCode.CONFLICT, "相同聚合版本的安全事件 payloadHash 冲突");
+    }
+
+    enum Decision { APPLY, STALE, DUPLICATE_VERSION }
+}

overseas-security-service/src/main/java/com/baiyue/overseassecurity/service/SecurityProjectionRedisMirror.java

@@ -0,0 +1,36 @@
+package com.baiyue.overseassecurity.service;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.data.redis.core.StringRedisTemplate;
+import org.springframework.stereotype.Component;
+import org.springframework.transaction.event.TransactionPhase;
+import org.springframework.transaction.event.TransactionalEventListener;
+
+/** 非授权真相的可重建 Redis 镜像；失败不影响已提交的 MySQL 投影。 */
+@Component
+@Slf4j
+public class SecurityProjectionRedisMirror {
+    private final StringRedisTemplate redis;
+    private final ObjectMapper objectMapper;
+    @Value("${baiyue.security.permission-snapshot-key-prefix:baiyue:permission-snapshot}")
+    private String keyPrefix;
+
+    public SecurityProjectionRedisMirror(StringRedisTemplate redis, ObjectMapper objectMapper) {
+        this.redis = redis;
+        this.objectMapper = objectMapper;
+    }
+
+    @TransactionalEventListener(phase = TransactionPhase.AFTER_COMMIT)
+    public void mirror(SecurityProjectionService.ProjectionChanged event) {
+        var value = event.projection();
+        try {
+            redis.opsForValue().set(keyPrefix + ':' + value.aggregateType() + ':' + value.aggregateId(),
+                    objectMapper.writeValueAsString(value));
+        } catch (Exception exception) {
+            log.warn("海外安全投影 Redis 镜像写入失败 aggregateType={}, aggregateId={}",
+                    value.aggregateType(), value.aggregateId());
+        }
+    }
+}

overseas-security-service/src/main/java/com/baiyue/overseassecurity/service/SecurityProjectionService.java

@@ -0,0 +1,153 @@
+package com.baiyue.overseassecurity.service;
+
+import com.baiyue.common.core.api.ResultCode;
+import com.baiyue.common.core.exception.BizException;
+import com.baiyue.common.event.EventEnvelope;
+import com.baiyue.common.event.EventTypes;
+import com.baiyue.common.event.IamSecurityEventsV1;
+import com.baiyue.common.event.RegionCode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.springframework.context.ApplicationEventPublisher;
+import org.springframework.dao.DuplicateKeyException;
+import org.springframework.jdbc.core.JdbcTemplate;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import java.time.Instant;
+import java.util.List;
+import java.util.Objects;
+
+@Service
+public class SecurityProjectionService {
+    private static final List<String> TYPES = List.of(EventTypes.IAM_USER_STATUS_CHANGED,
+            EventTypes.IAM_TENANT_STATUS_CHANGED, EventTypes.IAM_PERMISSION_VERSION_CHANGED);
+    private final JdbcTemplate jdbc;
+    private final ObjectMapper objectMapper;
+    private final ApplicationEventPublisher events;
+
+    public SecurityProjectionService(JdbcTemplate jdbc, ObjectMapper objectMapper, ApplicationEventPublisher events) {
+        this.jdbc = jdbc;
+        this.objectMapper = objectMapper;
+        this.events = events;
+    }
+
+    @Transactional
+    public ConsumeResult consume(EventEnvelope envelope) {
+        envelope.requireValid();
+        requireSecurityEnvelope(envelope);
+        String payloadJson = envelope.payload().toString();
+        try {
+            jdbc.update("INSERT INTO overseas_security_event_inbox(event_id,event_type,payload_hash,payload_json,status,received_at) "
+                    + "VALUES (?,?,?,?, 'RECEIVED', NOW(3))", envelope.eventId(), envelope.eventType(),
+                    envelope.payloadHash(), payloadJson);
+        } catch (DuplicateKeyException duplicate) {
+            InboxRow existing = jdbc.queryForObject("SELECT event_type,payload_hash,status FROM overseas_security_event_inbox "
+                            + "WHERE event_id=? FOR UPDATE",
+                    (rs, row) -> new InboxRow(rs.getString(1), rs.getString(2), rs.getString(3)),
+                    envelope.eventId());
+            if (existing == null || !Objects.equals(existing.eventType(), envelope.eventType())
+                    || !Objects.equals(existing.payloadHash(), envelope.payloadHash())) {
+                throw new BizException(ResultCode.CONFLICT, "相同 eventId 的 payloadHash 冲突");
+            }
+            if ("PROCESSED".equals(existing.status())) return new ConsumeResult("DUPLICATE", null);
+        }
+
+        ProjectionInput input = input(envelope);
+        ProjectionRow current = findForUpdate(input.aggregateType(), input.aggregateId());
+        ProjectionMonotonicity.Decision decision = ProjectionMonotonicity.decide(
+                current == null ? null : current.aggregateVersion(), current == null ? null : current.payloadHash(),
+                input.aggregateVersion(), input.payloadHash());
+        String result = decision.name();
+        if (decision == ProjectionMonotonicity.Decision.APPLY) {
+            upsert(input);
+            result = "APPLIED";
+            events.publishEvent(new ProjectionChanged(input));
+        }
+        jdbc.update("UPDATE overseas_security_event_inbox SET status='PROCESSED',result=?,processed_at=NOW(3) "
+                + "WHERE event_id=?", result, envelope.eventId());
+        return new ConsumeResult(result, input);
+    }
+
+    private void requireSecurityEnvelope(EventEnvelope envelope) {
+        if (!TYPES.contains(envelope.eventType()) || envelope.eventVersion() != IamSecurityEventsV1.VERSION
+                || envelope.sourceRegion() != RegionCode.CN || envelope.targetRegion() != RegionCode.OVERSEAS) {
+            throw new BizException(ResultCode.BAD_REQUEST, "仅接受 CN→OVERSEAS IAM V1 安全事件");
+        }
+    }
+
+    private ProjectionInput input(EventEnvelope envelope) {
+        try {
+            return switch (envelope.eventType()) {
+                case EventTypes.IAM_USER_STATUS_CHANGED -> {
+                    var value = objectMapper.treeToValue(envelope.payload(), IamSecurityEventsV1.UserStatusChanged.class);
+                    requireIdentity(envelope, "USER", value.authUserId(), value.tenantId());
+                    requirePayload(value.status(), value.changedAt(), value.permissionVersion(), envelope.aggregateVersion());
+                    yield new ProjectionInput("USER", String.valueOf(value.authUserId()), value.tenantId(),
+                            value.status(), value.permissionVersion(), envelope.aggregateVersion(), envelope.payloadHash(),
+                            envelope.eventId(), value.changedAt());
+                }
+                case EventTypes.IAM_TENANT_STATUS_CHANGED -> {
+                    var value = objectMapper.treeToValue(envelope.payload(), IamSecurityEventsV1.TenantStatusChanged.class);
+                    requireIdentity(envelope, "TENANT", value.tenantId(), value.tenantId());
+                    requirePayload(value.status(), value.changedAt(), envelope.aggregateVersion(), envelope.aggregateVersion());
+                    yield new ProjectionInput("TENANT", String.valueOf(value.tenantId()), value.tenantId(),
+                            value.status(), null, envelope.aggregateVersion(), envelope.payloadHash(), envelope.eventId(),
+                            value.changedAt());
+                }
+                case EventTypes.IAM_PERMISSION_VERSION_CHANGED -> {
+                    var value = objectMapper.treeToValue(envelope.payload(), IamSecurityEventsV1.PermissionVersionChanged.class);
+                    requireIdentity(envelope, "AUTHORIZATION", value.authUserId(), value.tenantId());
+                    requirePayload(value.appCode(), value.changedAt(), value.permissionVersion(), envelope.aggregateVersion());
+                    yield new ProjectionInput("AUTHORIZATION", String.valueOf(value.authUserId()), value.tenantId(),
+                            null, value.permissionVersion(), envelope.aggregateVersion(), envelope.payloadHash(),
+                            envelope.eventId(), value.changedAt());
+                }
+                default -> throw new IllegalArgumentException("unsupported type");
+            };
+        } catch (BizException exception) {
+            throw exception;
+        } catch (Exception exception) {
+            throw new BizException(ResultCode.BAD_REQUEST, "IAM 安全事件 payload 无效");
+        }
+    }
+
+    private static void requireIdentity(EventEnvelope envelope, String aggregateType, long aggregateId, long tenantId) {
+        if (!aggregateType.equals(envelope.aggregateType())
+                || !String.valueOf(aggregateId).equals(envelope.aggregateId())
+                || !String.valueOf(tenantId).equals(envelope.tenantId())) {
+            throw new BizException(ResultCode.CONFLICT, "IAM 安全事件信封与 payload 身份不一致");
+        }
+    }
+
+    private static void requirePayload(String requiredText, Instant changedAt, long payloadVersion, long aggregateVersion) {
+        if (requiredText == null || requiredText.isBlank() || changedAt == null || payloadVersion != aggregateVersion) {
+            throw new BizException(ResultCode.CONFLICT, "IAM 安全事件 payload 版本或必填字段无效");
+        }
+    }
+
+    private ProjectionRow findForUpdate(String type, String id) {
+        List<ProjectionRow> rows = jdbc.query("SELECT aggregate_version,payload_hash FROM overseas_security_projection "
+                        + "WHERE aggregate_type=? AND aggregate_id=? FOR UPDATE",
+                (rs, row) -> new ProjectionRow(rs.getLong(1), rs.getString(2)), type, id);
+        return rows.isEmpty() ? null : rows.get(0);
+    }
+
+    private void upsert(ProjectionInput value) {
+        jdbc.update("INSERT INTO overseas_security_projection(aggregate_type,aggregate_id,tenant_id,security_status,"
+                        + "permission_version,aggregate_version,payload_hash,last_event_id,changed_at,updated_at) "
+                        + "VALUES (?,?,?,?,?,?,?,?,?,NOW(3)) ON DUPLICATE KEY UPDATE tenant_id=VALUES(tenant_id),"
+                        + "security_status=VALUES(security_status),permission_version=VALUES(permission_version),"
+                        + "aggregate_version=VALUES(aggregate_version),payload_hash=VALUES(payload_hash),"
+                        + "last_event_id=VALUES(last_event_id),changed_at=VALUES(changed_at),updated_at=NOW(3)",
+                value.aggregateType(), value.aggregateId(), value.tenantId(), value.status(), value.permissionVersion(),
+                value.aggregateVersion(), value.payloadHash(), value.eventId(), value.changedAt());
+    }
+
+    private record InboxRow(String eventType, String payloadHash, String status) { }
+    private record ProjectionRow(long aggregateVersion, String payloadHash) { }
+    public record ConsumeResult(String result, ProjectionInput projection) { }
+    public record ProjectionChanged(ProjectionInput projection) { }
+    public record ProjectionInput(String aggregateType, String aggregateId, long tenantId, String status,
+                                  Long permissionVersion, long aggregateVersion, String payloadHash,
+                                  String eventId, Instant changedAt) { }
+}