From 0eb95b3b06551e55f89def7df8c7b9d117c48e6a Mon Sep 17 00:00:00 2001
From: shaw <shaw-wei@foxmail.com>
Date: Thu, 11 Sep 2025 09:43:15 +0800
Subject: [PATCH] =?UTF-8?q?refactor:=20=E6=B8=85=E7=90=86=E6=A8=A1?=
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优化内容：
- 删除 claudeRelayService.js 中的重复模型限制检查（82行代码）
- 保留 api.js 中的统一检查，覆盖所有服务类型（claude/console/ccr）
- 移除 /v1/messages/count_tokens 端点的模型限制（计数接口不需要限制）

架构改进：
- 模型限制逻辑现在集中在 api.js 的 handleMessagesRequest 函数中
- 避免了每个服务各自实现一遍的重复代码
- 提高了代码的可维护性和一致性

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>
---
 src/routes/api.js                  | 17 ---------
 src/services/claudeRelayService.js | 58 ------------------------------
 2 files changed, 75 deletions(-)

diff --git a/src/routes/api.js b/src/routes/api.js
index 37e12949..7a73bf94 100644
--- a/src/routes/api.js
+++ b/src/routes/api.js
@@ -899,23 +899,6 @@ router.post('/v1/messages/count_tokens', authenticateApiKey, async (req, res) =>
 
     logger.info(`🔢 Processing token count request for key: ${req.apiKey.name}`)
 
-    // 模型限制（黑名单）校验：统一在此处处理（去除供应商前缀）
-    if (
-      req.apiKey.enableModelRestriction &&
-      Array.isArray(req.apiKey.restrictedModels) &&
-      req.apiKey.restrictedModels.length > 0
-    ) {
-      const effectiveModel = getEffectiveModel(req.body.model || '')
-      if (req.apiKey.restrictedModels.includes(effectiveModel)) {
-        return res.status(403).json({
-          error: {
-            type: 'forbidden',
-            message: '暂无该模型访问权限'
-          }
-        })
-      }
-    }
-
     // 生成会话哈希用于sticky会话
     const sessionHash = sessionHelper.generateSessionHash(req.body)
 
diff --git a/src/services/claudeRelayService.js b/src/services/claudeRelayService.js
index b2680626..2c91b63f 100644
--- a/src/services/claudeRelayService.js
+++ b/src/services/claudeRelayService.js
@@ -79,34 +79,6 @@ class ClaudeRelayService {
         requestedModel: requestBody.model
       })
 
-      // 检查模型限制（restrictedModels 作为允许列表）
-      if (
-        apiKeyData.enableModelRestriction &&
-        apiKeyData.restrictedModels &&
-        apiKeyData.restrictedModels.length > 0
-      ) {
-        const requestedModel = requestBody.model
-        logger.info(
-          `🔒 Model restriction check - Requested model: ${requestedModel}, Restricted models: ${JSON.stringify(apiKeyData.restrictedModels)}`
-        )
-
-        if (requestedModel && apiKeyData.restrictedModels.includes(requestedModel)) {
-          logger.warn(
-            `🚫 Model restriction violation for key ${apiKeyData.name}: Attempted to use restricted model ${requestedModel}`
-          )
-          return {
-            statusCode: 403,
-            headers: { 'Content-Type': 'application/json' },
-            body: JSON.stringify({
-              error: {
-                type: 'forbidden',
-                message: '暂无该模型访问权限'
-              }
-            })
-          }
-        }
-      }
-
       // 生成会话哈希用于sticky会话
       const sessionHash = sessionHelper.generateSessionHash(requestBody)
 
@@ -866,36 +838,6 @@ class ClaudeRelayService {
         requestedModel: requestBody.model
       })
 
-      // 检查模型限制（restrictedModels 作为允许列表）
-      if (
-        apiKeyData.enableModelRestriction &&
-        apiKeyData.restrictedModels &&
-        apiKeyData.restrictedModels.length > 0
-      ) {
-        const requestedModel = requestBody.model
-        logger.info(
-          `🔒 [Stream] Model restriction check - Requested model: ${requestedModel}, Restricted models: ${JSON.stringify(apiKeyData.restrictedModels)}`
-        )
-
-        if (requestedModel && apiKeyData.restrictedModels.includes(requestedModel)) {
-          logger.warn(
-            `🚫 Model restriction violation for key ${apiKeyData.name}: Attempted to use restricted model ${requestedModel}`
-          )
-
-          // 对于流式响应，需要写入错误并结束流
-          const errorResponse = JSON.stringify({
-            error: {
-              type: 'forbidden',
-              message: '暂无该模型访问权限'
-            }
-          })
-
-          responseStream.writeHead(403, { 'Content-Type': 'application/json' })
-          responseStream.end(errorResponse)
-          return
-        }
-      }
-
       // 生成会话哈希用于sticky会话
       const sessionHash = sessionHelper.generateSessionHash(requestBody)