feat(auth): personal access tokens for headless / CI integration

mateclaw-server/src/main/java/vip/mate/auth/pat/PersonalAccessTokenController.java

@@ -0,0 +1,88 @@
+package vip.mate.auth.pat;
+
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.tags.Tag;
+import lombok.RequiredArgsConstructor;
+import org.springframework.security.core.Authentication;
+import org.springframework.web.bind.annotation.*;
+import vip.mate.auth.model.UserEntity;
+import vip.mate.auth.service.AuthService;
+import vip.mate.common.result.R;
+import vip.mate.exception.MateClawException;
+
+import java.time.LocalDateTime;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * RFC-03 Lane I1 — Personal Access Token CRUD endpoints.
+ *
+ * <p>Authenticated callers (JWT or another PAT) manage their own tokens
+ * here. Cross-user access is impossible: every query is scoped to
+ * {@code Authentication.getName()} server-side, so tampering with the
+ * {@code X-User-Id} header has no effect.
+ *
+ * <p>Plaintext is returned exactly once on {@link #create}; subsequent
+ * lookups expose only metadata (id, name, scopes, last_used_at,
+ * expires_at). The DB never stores plaintext at any point.
+ */
+@Tag(name = "Personal Access Tokens")
+@RestController
+@RequestMapping("/api/v1/auth/tokens")
+@RequiredArgsConstructor
+public class PersonalAccessTokenController {
+
+    private final PersonalAccessTokenService patService;
+    private final AuthService authService;
+
+    @Operation(summary = "List my PATs (metadata only — plaintext is never returned after creation)")
+    @GetMapping
+    public R<List<PersonalAccessTokenEntity>> list(Authentication auth) {
+        UserEntity user = requireUser(auth);
+        return R.ok(patService.listByUser(user.getId()));
+    }
+
+    @Operation(summary = "Mint a new PAT — returned plaintext is shown once and cannot be recovered")
+    @PostMapping
+    public R<Map<String, Object>> create(@RequestBody CreateRequest req, Authentication auth) {
+        UserEntity user = requireUser(auth);
+        PersonalAccessTokenService.CreatedToken created = patService.create(
+                user.getId(),
+                req.name(),
+                req.scopes(),
+                req.expiresAt());
+        // Return plaintext + metadata; UI must surface plaintext immediately
+        // and warn the user it won't be shown again.
+        return R.ok(Map.of(
+                "id", created.id(),
+                "plaintext", created.plaintext(),
+                "name", req.name() == null ? "" : req.name(),
+                "scopes", req.scopes() == null ? "" : req.scopes(),
+                "expiresAt", req.expiresAt() == null ? "" : req.expiresAt()));
+    }
+
+    @Operation(summary = "Revoke a PAT — soft-delete; further auth attempts with this token will fail")
+    @DeleteMapping("/{id}")
+    public R<Void> revoke(@PathVariable Long id, Authentication auth) {
+        UserEntity user = requireUser(auth);
+        patService.revoke(id, user.getId());
+        return R.ok();
+    }
+
+    private UserEntity requireUser(Authentication auth) {
+        if (auth == null || auth.getName() == null) {
+            throw new MateClawException("err.auth.unauthenticated", "Authentication required");
+        }
+        UserEntity user = authService.findByUsername(auth.getName());
+        if (user == null) {
+            throw new MateClawException("err.auth.user_not_found",
+                    "Authenticated user not found: " + auth.getName());
+        }
+        return user;
+    }
+
+    /** Inbound DTO for {@link #create}. {@code name} and {@code scopes} are
+     *  optional; {@code expiresAt} null means the token never expires until
+     *  manually revoked. */
+    public record CreateRequest(String name, String scopes, LocalDateTime expiresAt) {}
+}

mateclaw-server/src/main/java/vip/mate/auth/pat/PersonalAccessTokenEntity.java

@@ -0,0 +1,56 @@
+package vip.mate.auth.pat;
+
+import com.baomidou.mybatisplus.annotation.*;
+import lombok.Data;
+
+import java.time.LocalDateTime;
+
+/**
+ * RFC-03 Lane I1 — Personal Access Token entity.
+ *
+ * <p>Plaintext tokens are never persisted; only the SHA-256 hash lives in
+ * {@link #tokenHash}. This way a DB compromise reveals ownership and
+ * scope but not the secret needed to actually authenticate. The user
+ * sees the plaintext exactly once at creation time.
+ */
+@Data
+@TableName("mate_personal_access_token")
+public class PersonalAccessTokenEntity {
+
+    @TableId(type = IdType.ASSIGN_ID)
+    private Long id;
+
+    /** Owner — joined to mate_user.id; one user may own many tokens. */
+    private Long userId;
+
+    /** Human-readable label so the owner can tell tokens apart in the UI. */
+    private String name;
+
+    /** SHA-256 hex of the plaintext, lowercase. UNIQUE indexed for O(1) auth lookups. */
+    private String tokenHash;
+
+    /**
+     * Comma-separated scope tokens (e.g. {@code "chat:read,chat:write"}).
+     * The first version ships with implicit {@code "*"} scope when null,
+     * matching the user's JWT-equivalent permissions; finer-grained scope
+     * checking lands in a follow-up RFC.
+     */
+    private String scopes;
+
+    /** Updated on each successful auth — debounced to once per minute by the service. */
+    private LocalDateTime lastUsedAt;
+
+    /** Optional hard expiry. Null = never expires (until manually revoked). */
+    private LocalDateTime expiresAt;
+
+    /** Soft revoke — auth filter rejects disabled tokens immediately. */
+    private Boolean enabled;
+
+    @TableField(fill = FieldFill.INSERT)
+    private LocalDateTime createTime;
+
+    @TableField(fill = FieldFill.INSERT_UPDATE)
+    private LocalDateTime updateTime;
+
+    private Integer deleted;
+}

mateclaw-server/src/main/java/vip/mate/auth/pat/PersonalAccessTokenMapper.java

@@ -0,0 +1,15 @@
+package vip.mate.auth.pat;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import org.apache.ibatis.annotations.Mapper;
+
+/**
+ * RFC-03 Lane I1 — MyBatis Plus mapper for {@link PersonalAccessTokenEntity}.
+ *
+ * <p>Lookup queries live in the service layer via {@code LambdaQueryWrapper};
+ * the only custom requirement is uniqueness on {@code token_hash}, which is
+ * enforced by the database (UNIQUE index in V76 migration).
+ */
+@Mapper
+public interface PersonalAccessTokenMapper extends BaseMapper<PersonalAccessTokenEntity> {
+}

mateclaw-server/src/main/java/vip/mate/auth/pat/PersonalAccessTokenService.java

@@ -0,0 +1,217 @@
+package vip.mate.auth.pat;
+
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Service;
+import vip.mate.exception.MateClawException;
+
+import java.nio.charset.StandardCharsets;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+import java.security.SecureRandom;
+import java.time.LocalDateTime;
+import java.util.Base64;
+import java.util.HexFormat;
+import java.util.List;
+import java.util.Optional;
+
+/**
+ * RFC-03 Lane I1 — Personal Access Token service.
+ *
+ * <p>Headless / CI / SDK callers can authenticate without the interactive
+ * JWT login flow. Token plaintext is shown to the user exactly once at
+ * creation time; the database only stores SHA-256 hashes, so a DB
+ * compromise can't be used to authenticate as anyone.
+ *
+ * <p>Token format: {@code mc_<43 url-safe base64 chars>} = ~32 bytes of
+ * entropy from {@link SecureRandom}. The {@code mc_} prefix lets the
+ * auth filter distinguish PAT tokens from JWT tokens by inspection
+ * (JWTs always start with {@code eyJ}).
+ *
+ * <p>{@link #findActiveByPlaintext} is the hot path called on every
+ * authenticated PAT request — kept to a single indexed lookup with no
+ * JOINs. {@link #recordUse} debounces last-used updates to once per
+ * minute per token to avoid hammering the row on busy CI loops.
+ */
+@Slf4j
+@Service
+@RequiredArgsConstructor
+public class PersonalAccessTokenService {
+
+    /** RFC-03 Lane I1 — observable prefix for PAT plaintext. */
+    public static final String PAT_PREFIX = "mc_";
+
+    /** Bytes of entropy in each freshly generated token. 32 bytes = 256 bits. */
+    private static final int TOKEN_BYTES = 32;
+
+    /** Throttle window for last-used writes. Loops at >1Hz still get a
+     *  freshness signal, but we don't write on every single call. */
+    private static final long LAST_USED_DEBOUNCE_SECONDS = 60;
+
+    private final PersonalAccessTokenMapper mapper;
+    private final SecureRandom secureRandom = new SecureRandom();
+
+    /**
+     * Mint a new PAT for {@code userId}. Returns the plaintext exactly once
+     * — there is no way to recover it later from the database.
+     *
+     * @param userId    owner id (joined to mate_user.id)
+     * @param name      human-readable label, may be null
+     * @param scopes    comma-separated scope list, null = "*"
+     * @param expiresAt optional hard expiry, null = never expires
+     * @return the plaintext token; the caller is responsible for surfacing
+     *         it to the user and never persisting it server-side
+     */
+    public CreatedToken create(Long userId, String name, String scopes, LocalDateTime expiresAt) {
+        if (userId == null) {
+            throw new MateClawException("err.auth.pat_user_required",
+                    "PAT requires an owning user");
+        }
+        String plaintext = generatePlaintext();
+        String hash = sha256Hex(plaintext);
+
+        PersonalAccessTokenEntity entity = new PersonalAccessTokenEntity();
+        entity.setUserId(userId);
+        entity.setName(name);
+        entity.setTokenHash(hash);
+        entity.setScopes(scopes);
+        entity.setExpiresAt(expiresAt);
+        entity.setEnabled(true);
+        entity.setDeleted(0);
+        mapper.insert(entity);
+
+        log.info("[PAT] Created token id={} userId={} name={} expiresAt={}",
+                entity.getId(), userId, name, expiresAt);
+        return new CreatedToken(entity.getId(), plaintext, entity);
+    }
+
+    /**
+     * Auth-filter hot path — find an enabled, unexpired token whose
+     * {@link PersonalAccessTokenEntity#getTokenHash()} matches the SHA-256
+     * of {@code plaintext}.
+     *
+     * <p>Returns empty for null / blank input, missing prefix, hash miss,
+     * disabled flag, or past-expiry — auth filter doesn't need to
+     * distinguish, it just rejects.
+     */
+    public Optional<PersonalAccessTokenEntity> findActiveByPlaintext(String plaintext) {
+        if (plaintext == null || plaintext.isBlank()) return Optional.empty();
+        if (!plaintext.startsWith(PAT_PREFIX)) return Optional.empty();
+        String hash = sha256Hex(plaintext);
+
+        PersonalAccessTokenEntity entity = mapper.selectOne(
+                new LambdaQueryWrapper<PersonalAccessTokenEntity>()
+                        .eq(PersonalAccessTokenEntity::getTokenHash, hash)
+                        .eq(PersonalAccessTokenEntity::getEnabled, true)
+                        .eq(PersonalAccessTokenEntity::getDeleted, 0)
+                        .last("LIMIT 1"));
+        if (entity == null) return Optional.empty();
+        if (entity.getExpiresAt() != null && entity.getExpiresAt().isBefore(LocalDateTime.now())) {
+            return Optional.empty();
+        }
+        return Optional.of(entity);
+    }
+
+    /**
+     * Record last-used timestamp on the token. Debounced so a CI loop at
+     * 5Hz doesn't write 5x per second; the last-used field is observability,
+     * not a correctness gate.
+     */
+    public void recordUse(PersonalAccessTokenEntity entity) {
+        if (entity == null || entity.getId() == null) return;
+        LocalDateTime now = LocalDateTime.now();
+        if (!shouldRecordUse(entity.getLastUsedAt(), now)) return;
+        try {
+            PersonalAccessTokenEntity update = new PersonalAccessTokenEntity();
+            update.setId(entity.getId());
+            update.setLastUsedAt(now);
+            mapper.updateById(update);
+            entity.setLastUsedAt(now);
+        } catch (Exception e) {
+            // Best-effort — never fail an authenticated request because we
+            // can't write a metadata column.
+            log.debug("[PAT] last_used_at write failed for token {}: {}",
+                    entity.getId(), e.getMessage());
+        }
+    }
+
+    /**
+     * Pure debounce predicate — package-private for unit testing without
+     * the MyBatis-Plus stack. Returns true when the call should write,
+     * false when it falls inside the {@link #LAST_USED_DEBOUNCE_SECONDS}
+     * window of the previous write.
+     */
+    static boolean shouldRecordUse(LocalDateTime lastUsedAt, LocalDateTime now) {
+        if (lastUsedAt == null) return true;
+        return !lastUsedAt.plusSeconds(LAST_USED_DEBOUNCE_SECONDS).isAfter(now);
+    }
+
+    /**
+     * List tokens for {@code userId}, ordered most-recently-created first.
+     * Plaintext is never returned — only metadata.
+     */
+    public List<PersonalAccessTokenEntity> listByUser(Long userId) {
+        if (userId == null) return List.of();
+        return mapper.selectList(new LambdaQueryWrapper<PersonalAccessTokenEntity>()
+                .eq(PersonalAccessTokenEntity::getUserId, userId)
+                .eq(PersonalAccessTokenEntity::getDeleted, 0)
+                .orderByDesc(PersonalAccessTokenEntity::getCreateTime));
+    }
+
+    /**
+     * Soft-revoke. Two-step so the owner check is explicit and we don't
+     * rely on a single composite UPDATE for both the WHERE-userId guard
+     * and the SET — easier to test, and protects against a future
+     * refactor accidentally dropping the user_id eq.
+     *
+     * <p>Throws {@code err.auth.pat_not_found} for both "token doesn't exist"
+     * and "token belongs to another user" — the unified error code keeps
+     * us from leaking which token ids exist across user boundaries.
+     */
+    public void revoke(Long tokenId, Long ownerUserId) {
+        if (tokenId == null || ownerUserId == null) return;
+        PersonalAccessTokenEntity existing = mapper.selectById(tokenId);
+        if (existing == null
+                || existing.getDeleted() != null && existing.getDeleted() == 1
+                || !ownerUserId.equals(existing.getUserId())) {
+            throw new MateClawException("err.auth.pat_not_found",
+                    "PAT not found or not owned by current user: " + tokenId);
+        }
+        existing.setEnabled(false);
+        existing.setDeleted(1);
+        mapper.updateById(existing);
+        log.info("[PAT] Revoked token id={} ownerUserId={}", tokenId, ownerUserId);
+    }
+
+    // ── Internal helpers ──────────────────────────────────────────────────
+
+    /** Package-private so unit tests can compute the hash without going
+     *  through the service. */
+    static String sha256Hex(String plaintext) {
+        try {
+            MessageDigest md = MessageDigest.getInstance("SHA-256");
+            byte[] digest = md.digest(plaintext.getBytes(StandardCharsets.UTF_8));
+            return HexFormat.of().formatHex(digest);
+        } catch (NoSuchAlgorithmException e) {
+            throw new IllegalStateException("SHA-256 unavailable on this JVM", e);
+        }
+    }
+
+    /**
+     * Generate a fresh PAT plaintext. Format: {@value PAT_PREFIX} +
+     * URL-safe base64 of {@value TOKEN_BYTES} bytes from {@link SecureRandom}.
+     * Package-private so tests can verify the prefix + length without
+     * minting a real token through the public API.
+     */
+    String generatePlaintext() {
+        byte[] bytes = new byte[TOKEN_BYTES];
+        secureRandom.nextBytes(bytes);
+        String body = Base64.getUrlEncoder().withoutPadding().encodeToString(bytes);
+        return PAT_PREFIX + body;
+    }
+
+    /** Return value of {@link #create} — entity (sans plaintext) plus the
+     *  one-shot plaintext the user must save now. */
+    public record CreatedToken(Long id, String plaintext, PersonalAccessTokenEntity entity) {}
+}

mateclaw-server/src/main/java/vip/mate/config/JwtAuthFilter.java

@@ -13,10 +13,13 @@ import org.springframework.stereotype.Component;
 import org.springframework.util.StringUtils;
 import org.springframework.web.filter.OncePerRequestFilter;
 import vip.mate.auth.model.UserEntity;
+import vip.mate.auth.pat.PersonalAccessTokenEntity;
+import vip.mate.auth.pat.PersonalAccessTokenService;
 import vip.mate.auth.service.AuthService;
 
 import java.io.IOException;
 import java.util.List;
+import java.util.Optional;
 
 /**
  * JWT 认证过滤器
@@ -31,42 +34,86 @@ import java.util.List;
 public class JwtAuthFilter extends OncePerRequestFilter {
 
     private final AuthService authService;
+    /**
+     * RFC-03 Lane I1 — Personal Access Token service for the headless /
+     * CI / SDK auth path. Optional in the constructor sense but Spring
+     * always injects since the bean is auto-discovered; declared as a
+     * required dependency so unit tests of this filter must wire it.
+     */
+    private final PersonalAccessTokenService patService;
 
     @Override
     protected void doFilterInternal(HttpServletRequest request,
                                     HttpServletResponse response,
                                     FilterChain filterChain) throws ServletException, IOException {
         String token = extractToken(request);
-        if (StringUtils.hasText(token)) {
-            try {
-                Claims claims = authService.parseClaims(token);
-                if (claims != null && SecurityContextHolder.getContext().getAuthentication() == null) {
-                    String username = claims.getSubject();
-                    UserEntity user = authService.findByUsername(username);
-                    if (user != null && Boolean.TRUE.equals(user.getEnabled())) {
-                        var auth = new UsernamePasswordAuthenticationToken(
-                                username, null,
-                                List.of(new SimpleGrantedAuthority("ROLE_" + user.getRole().toUpperCase()))
-                        );
-                        SecurityContextHolder.getContext().setAuthentication(auth);
-
-                        // 滑动窗口续期：Token 接近过期时自动签发新 Token
-                        if (authService.isNearExpiry(claims)) {
-                            String newToken = authService.renewToken(username);
-                            if (newToken != null) {
-                                response.setHeader("X-New-Token", newToken);
-                                response.setHeader("Access-Control-Expose-Headers", "X-New-Token");
-                            }
-                        }
-                    }
-                }
-            } catch (Exception ignored) {
-                // Token 解析失败，继续匿名访问
+        if (StringUtils.hasText(token)
+                && SecurityContextHolder.getContext().getAuthentication() == null) {
+            // RFC-03 Lane I1: prefix-based dispatch — PAT plaintext is observably
+            // "mc_*", JWTs always start with "eyJ" (header b64). Cheap O(1) check
+            // before the heavier work of parsing the token.
+            if (token.startsWith(PersonalAccessTokenService.PAT_PREFIX)) {
+                authenticateWithPat(token);
+            } else {
+                authenticateWithJwt(token, response);
             }
         }
         filterChain.doFilter(request, response);
     }
 
+    /**
+     * RFC-03 Lane I1 — PAT auth path. Looks up the token by SHA-256 hash,
+     * loads the owning user, and stamps the SecurityContext identically to
+     * the JWT path so downstream {@code @PreAuthorize} / {@code Authentication}
+     * usages don't need to special-case PAT vs JWT auth.
+     */
+    private void authenticateWithPat(String plaintext) {
+        try {
+            Optional<PersonalAccessTokenEntity> maybe = patService.findActiveByPlaintext(plaintext);
+            if (maybe.isEmpty()) return;
+            PersonalAccessTokenEntity pat = maybe.get();
+            UserEntity user = authService.findById(pat.getUserId());
+            if (user == null || !Boolean.TRUE.equals(user.getEnabled())) return;
+
+            var auth = new UsernamePasswordAuthenticationToken(
+                    user.getUsername(), null,
+                    List.of(new SimpleGrantedAuthority("ROLE_" + user.getRole().toUpperCase()))
+            );
+            SecurityContextHolder.getContext().setAuthentication(auth);
+            patService.recordUse(pat); // debounced inside the service
+        } catch (Exception ignored) {
+            // Anonymous fall-through — same behavior as JWT parse failure.
+        }
+    }
+
+    /** Original JWT auth path, factored out to keep doFilterInternal flat. */
+    private void authenticateWithJwt(String token, HttpServletResponse response) {
+        try {
+            Claims claims = authService.parseClaims(token);
+            if (claims == null) return;
+            String username = claims.getSubject();
+            UserEntity user = authService.findByUsername(username);
+            if (user == null || !Boolean.TRUE.equals(user.getEnabled())) return;
+
+            var auth = new UsernamePasswordAuthenticationToken(
+                    username, null,
+                    List.of(new SimpleGrantedAuthority("ROLE_" + user.getRole().toUpperCase()))
+            );
+            SecurityContextHolder.getContext().setAuthentication(auth);
+
+            // 滑动窗口续期：Token 接近过期时自动签发新 Token
+            if (authService.isNearExpiry(claims)) {
+                String newToken = authService.renewToken(username);
+                if (newToken != null) {
+                    response.setHeader("X-New-Token", newToken);
+                    response.setHeader("Access-Control-Expose-Headers", "X-New-Token");
+                }
+            }
+        } catch (Exception ignored) {
+            // Token 解析失败，继续匿名访问
+        }
+    }
+
     /**
      * 从请求中提取 Token
      * 优先从 Authorization Header 读取，其次从 query param 读取（用于 SSE）

mateclaw-server/src/main/resources/db/migration/h2/V76__personal_access_token.sql

@@ -0,0 +1,25 @@
+-- V76: Personal Access Token (RFC-03 Lane I1).
+-- Lets headless / CI / SDK callers authenticate without going through
+-- the interactive JWT login flow. Tokens are stored as SHA-256 hashes —
+-- a DB compromise reveals which user owns which token but never the
+-- plaintext value the user sees once at creation time.
+--
+-- token_hash is the lookup key (UNIQUE) so the auth filter can do a
+-- single indexed query on every authenticated request.
+
+CREATE TABLE IF NOT EXISTS mate_personal_access_token (
+    id            BIGINT       NOT NULL PRIMARY KEY,
+    user_id       BIGINT       NOT NULL,
+    name          VARCHAR(64),
+    token_hash    CHAR(64)     NOT NULL,
+    scopes        VARCHAR(255),
+    last_used_at  TIMESTAMP,
+    expires_at    TIMESTAMP,
+    enabled       BOOLEAN      DEFAULT TRUE,
+    create_time   TIMESTAMP,
+    update_time   TIMESTAMP,
+    deleted       INT          DEFAULT 0
+);
+
+CREATE UNIQUE INDEX IF NOT EXISTS uk_pat_token_hash ON mate_personal_access_token(token_hash);
+CREATE INDEX IF NOT EXISTS idx_pat_user_id ON mate_personal_access_token(user_id);

mateclaw-server/src/main/resources/db/migration/mysql/V76__personal_access_token.sql

@@ -0,0 +1,24 @@
+-- V76: Personal Access Token (RFC-03 Lane I1).
+-- Lets headless / CI / SDK callers authenticate without going through
+-- the interactive JWT login flow. Tokens are stored as SHA-256 hashes —
+-- a DB compromise reveals which user owns which token but never the
+-- plaintext value the user sees once at creation time.
+--
+-- token_hash is the lookup key (UNIQUE) so the auth filter can do a
+-- single indexed query on every authenticated request.
+
+CREATE TABLE IF NOT EXISTS mate_personal_access_token (
+    id            BIGINT       NOT NULL PRIMARY KEY,
+    user_id       BIGINT       NOT NULL,
+    name          VARCHAR(64),
+    token_hash    CHAR(64)     NOT NULL,
+    scopes        VARCHAR(255),
+    last_used_at  TIMESTAMP    NULL,
+    expires_at    TIMESTAMP    NULL,
+    enabled       BOOLEAN      DEFAULT TRUE,
+    create_time   TIMESTAMP    NULL DEFAULT CURRENT_TIMESTAMP,
+    update_time   TIMESTAMP    NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+    deleted       INT          DEFAULT 0,
+    UNIQUE KEY uk_pat_token_hash (token_hash),
+    KEY idx_pat_user_id (user_id)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;