feat: self nickname and head img for sns

frontend/pages/sns.vue

@@ -9,14 +9,20 @@
 
               <div class="absolute right-4 -bottom-6 flex items-end gap-4">
                 <div class="text-white font-bold text-xl mb-7 drop-shadow-md">
-                  H3CoF6
+                  {{ selfInfo.nickname || '获取中...' }}
                 </div>
+
                 <div class="w-[72px] h-[72px] rounded-lg bg-white p-[2px] shadow-sm">
                   <img
-                      src="https://api.dicebear.com/7.x/shapes/svg?seed=H3CoF6"
+                      v-if="selfInfo.wxid"
+                      :src="postAvatarUrl(selfInfo.wxid)"
                       class="w-full h-full rounded-md object-cover bg-gray-100"
-                      alt="H3CoF6"
+                      :alt="selfInfo.nickname"
+                      referrerpolicy="no-referrer"
                   />
+                  <div v-else class="w-full h-full rounded-md bg-gray-300 flex items-center justify-center text-gray-500 text-xs">
+                    ...
+                  </div>
                 </div>
               </div>
             </div>
@@ -342,7 +348,20 @@ const onArticleThumbError = (postId) => {
   articleThumbErrors.value[postId] = true
 }
 
-// （原有的函数保持不变）
+const selfInfo = ref({ wxid: '', nickname: '' })
+
+const loadSelfInfo = async () => {
+  if (!selectedAccount.value) return
+  try {
+    const resp = await $fetch(`${mediaBase}/api/sns/self_info?account=${encodeURIComponent(selectedAccount.value)}`)
+    if (resp && resp.wxid) {
+      selfInfo.value = resp
+    }
+  } catch (e) {
+    console.error('获取个人信息失败', e)
+  }
+}
+
 const getArticleThumbProxyUrl = (contentUrl) => {
   const u = String(contentUrl || '').trim()
   if (!u) return ''
@@ -783,6 +802,7 @@ watch(
     async (v, oldV) => {
       if (v && v !== oldV) {
         if (previewCtx.value) closeImagePreview()
+        await loadSelfInfo()
         await loadPosts({ reset: true })
       }
     },

src/wechat_decrypt_tool/routers/sns.py

@@ -763,6 +763,85 @@ def _list_sns_cached_image_candidate_keys(
     return tuple(out)
 
 
+@router.get("/api/sns/self_info", summary="获取个人信息（wxid和nickname）")
+def api_sns_self_info(account: Optional[str] = None):
+
+    account_dir = _resolve_account_dir(account)
+    wxid = account_dir.name
+
+    logger.info(f"[self_info] 开始获取账号信息, 预设 wxid: {wxid}")
+
+    nickname = wxid
+    source = "wxid_dir"
+
+    try:
+        status = WCDB_REALTIME.get_status(account_dir)
+        if status.get("dll_present") and status.get("key_present"):
+            rt_conn = WCDB_REALTIME.ensure_connected(account_dir)
+            with rt_conn.lock:
+
+                names_map = _wcdb_get_display_names(rt_conn.handle, [wxid])
+                if names_map and names_map.get(wxid):
+                    nickname = names_map[wxid]
+                    source = "wcdb_realtime"
+                    logger.info(f"[self_info] 从 WCDB 实时连接获取成功: {nickname}")
+                    return {"wxid": wxid, "nickname": nickname, "source": source}
+    except Exception as e:
+        logger.debug(f"[self_info] WCDB 路径跳过或失败: {e}")
+
+    contact_db_path = account_dir / "contact.db"
+    if contact_db_path.exists():
+        conn = None
+        try:
+            db_uri = f"file:{contact_db_path}?mode=ro"
+            conn = sqlite3.connect(db_uri, uri=True, timeout=5)
+            conn.row_factory = sqlite3.Row
+
+            cursor = conn.execute("PRAGMA table_info(contact)")
+            cols = {row["name"].lower() for row in cursor.fetchall()}
+            logger.debug(f"[self_info] contact 表现有字段: {cols}")
+
+            target_nick_col = "nick_name" if "nick_name" in cols else ("nickname" if "nickname" in cols else None)
+
+            if target_nick_col:
+                sql = f"SELECT remark, {target_nick_col} as nickname_val, alias FROM contact WHERE username = ? LIMIT 1"
+                row = conn.execute(sql, (wxid,)).fetchone()
+
+
+                if row:
+                    raw_remark = str(row["remark"] or "").strip() if "remark" in row.keys() else ""
+                    raw_nick = str(row["nickname_val"] or "").strip()
+                    raw_alias = str(row["alias"] or "").strip() if "alias" in row.keys() else ""
+
+                    if raw_remark:
+                        nickname = raw_remark
+                        source = "contact_db_remark"
+                    elif raw_nick:
+                        nickname = raw_nick
+                        source = "contact_db_nickname"
+                    elif raw_alias:
+                        nickname = raw_alias
+                        source = "contact_db_alias"
+
+                    logger.info(f"[self_info] 从数据库提取成功: {nickname} (src: {source})")
+            else:
+                logger.warning("[self_info] contact 表中找不到任何昵称相关字段")
+
+        except sqlite3.OperationalError as e:
+            logger.error(f"[self_info] 数据库繁忙或锁定: {e}")
+        except Exception as e:
+            logger.exception(f"[self_info] 查询异常: {e}")
+        finally:
+            if conn: conn.close()
+    else:
+        logger.warning(f"[self_info] 找不到 contact.db: {contact_db_path}")
+
+    return {
+        "wxid": wxid,
+        "nickname": nickname,
+        "source": source
+    }
+
 @router.get("/api/sns/timeline", summary="获取朋友圈时间线")
 def list_sns_timeline(
     account: Optional[str] = None,