gengx

backend/app/controller/api/Chat.php

@@ -12,6 +12,7 @@ use app\service\ComfyUIService;
 use app\service\CosyVoiceService;
 use app\service\DifyService;
 use app\service\DocumentTextService;
+use app\service\GuestAccessService;
 use app\service\OpenAIService;
 use app\service\PermissionService;
 use app\service\SettingsService;
@@ -21,7 +22,8 @@ class Chat extends BaseApi
 {
     public function speech()
     {
-        $this->authUser();
+        $user = $this->authUser();
+        GuestAccessService::assertAccountRequired($user, '语音对话');
         $input = $this->request->post();
         $text = trim((string) ($input['text'] ?? ''));
 
@@ -71,7 +73,8 @@ class Chat extends BaseApi
 
     public function speechStream(): never
     {
-        $this->authUser();
+        $user = $this->authUser();
+        GuestAccessService::assertAccountRequired($user, '语音对话');
         $input = $this->request->post();
         $text = trim((string) ($input['text'] ?? ''));
         $requestId = trim((string) ($input['request_id'] ?? ''));
@@ -134,7 +137,8 @@ class Chat extends BaseApi
 
     public function speechCancel()
     {
-        $this->authUser();
+        $user = $this->authUser();
+        GuestAccessService::assertAccountRequired($user, '语音对话');
         $requestId = trim((string) $this->request->post('request_id', ''));
         if (!preg_match('/^[A-Za-z0-9._:-]{8,128}$/', $requestId)) {
             return $this->error('语音请求标识无效', 422);
@@ -168,6 +172,7 @@ class Chat extends BaseApi
         if (!is_array($attachments)) {
             return $this->error('附件格式无效', 422);
         }
+        GuestAccessService::assertTextChatOnly($user, $attachments, $agentId, $imageTool, $voiceMode);
 
         if (!$conversationId) {
             return $this->error('缺少 conversation_id');
@@ -178,10 +183,6 @@ class Chat extends BaseApi
         if ($imageTool !== '' && !$this->hasImageAttachments($attachments)) {
             return $this->error('图片处理工具需要一张原图', 422);
         }
-        if (!empty($user['is_guest']) && $this->hasImageAttachments($attachments)) {
-            return $this->error('游客模式不支持发送图片，请登录后重试', 403);
-        }
-
         $agent = AgentCatalog::find($agentId);
         if ($agentId !== '' && !$agent) {
             return $this->error('所选 Agent 不存在或已停用', 422);
@@ -197,7 +198,17 @@ class Chat extends BaseApi
         }
 
         $imageGenerationContent = $content;
-        $model = OpenAIService::getModel($conversation->model_id ? (int) $conversation->model_id : null);
+        if (GuestAccessService::isGuest($user)) {
+            $model = GuestAccessService::model();
+            if ((int) $conversation->model_id !== (int) $model->id) {
+                $conversation->save([
+                    'model_id' => (int) $model->id,
+                    'external_conversation_id' => null,
+                ]);
+            }
+        } else {
+            $model = OpenAIService::getModel($conversation->model_id ? (int) $conversation->model_id : null);
+        }
         if ($imageTool !== '' && $imageTool !== 'commit') {
             $preferredImageModelId = ($model->provider ?? '') === 'comfy' ? (int) ($model->id ?? 0) : null;
             $model = OpenAIService::getImageModel($preferredImageModelId ?: null);