feat: AI 服务商接口兼容 HTTP (#223)

admin/config.example.yaml

@@ -50,7 +50,7 @@ ai:
   # 留空时 Admin 正常启动，但不能保存密钥或测试 AI 连接。
   secrets_path: ""
 
-  # 默认只允许公网 HTTPS 服务。确需访问私有模型端点时，必须由部署人员
+  # 公网 AI 服务支持 HTTP 和 HTTPS；HTTP 不提供传输加密。确需访问私有模型端点时，必须由部署人员
   # 在这里或 CMAUTOBUY_AI_ALLOWED_HOSTS 中按主机名显式允许，网页不能修改。
   allowed_hosts: []
 

admin/service/ai_config.go

@@ -328,8 +328,12 @@ func ParseConfidenceThresholdBPS(raw string) (int, error) {
 
 func (p AIEndpointPolicy) ValidateSyntax(raw string) (string, error) {
 	parsed, err := url.Parse(strings.TrimSpace(raw))
-	if err != nil || parsed.Scheme != "https" || parsed.Host == "" {
-		return "", &validationError{field: "base_url", message: "Base URL 必须是完整的 HTTPS 地址"}
+	if err != nil || parsed.Host == "" {
+		return "", &validationError{field: "base_url", message: "Base URL 必须是完整的 HTTP 或 HTTPS 地址"}
+	}
+	parsed.Scheme = strings.ToLower(parsed.Scheme)
+	if parsed.Scheme != "http" && parsed.Scheme != "https" {
+		return "", &validationError{field: "base_url", message: "Base URL 只支持 HTTP 或 HTTPS"}
 	}
 	if parsed.User != nil || parsed.RawQuery != "" || parsed.Fragment != "" {
 		return "", &validationError{field: "base_url", message: "Base URL 不能包含账号密码、查询参数或片段"}

admin/service/ai_config_test.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"io"
 	"net/http"
+	"net/http/httptest"
 	"strings"
 	"testing"
 	"time"
@@ -57,23 +58,56 @@ func TestSaveAIProviderConfig_新增后可查询并与审计同事务(t *testing
 	}
 }
 
-func TestAIEndpointPolicy_阻止凭据和内网地址(t *testing.T) {
+func TestAIEndpointPolicy_兼容HTTP并阻止凭据和内网地址(t *testing.T) {
 	policy := NewAIEndpointPolicy(nil)
 	for _, raw := range []string{
-		"http://api.example.com/v1", "https://user:pass@api.example.com/v1",
-		"https://127.0.0.1/v1", "https://169.254.169.254/latest", "https://localhost/v1",
+		"ftp://api.example.com/v1", "http://user:pass@api.example.com/v1", "https://user:pass@api.example.com/v1",
+		"http://api.example.com/v1?token=fake", "https://api.example.com/v1#fragment",
+		"http://127.0.0.1/v1", "https://127.0.0.1/v1", "http://169.254.169.254/latest",
+		"https://169.254.169.254/latest", "http://localhost/v1", "https://localhost/v1",
 	} {
 		if _, err := policy.ValidateSyntax(raw); err == nil {
 			t.Errorf("危险地址 %q 应被拒绝", raw)
 		}
 	}
-	got, err := policy.ValidateSyntax("https://api.example.com/v1/")
-	if err != nil || got != "https://api.example.com/v1" {
-		t.Fatalf("公网 HTTPS 地址应通过并去掉尾斜杠: %q %v", got, err)
+	for raw, want := range map[string]string{
+		"http://api.example.com/v1/":  "http://api.example.com/v1",
+		"HTTPS://api.example.com/v1/": "https://api.example.com/v1",
+	} {
+		got, err := policy.ValidateSyntax(raw)
+		if err != nil || got != want {
+			t.Errorf("公网 HTTP/HTTPS 地址应通过并规范化: raw=%q got=%q err=%v", raw, got, err)
+		}
 	}
 	allowed := NewAIEndpointPolicy([]string{"10.0.0.8"})
-	if _, err := allowed.ValidateSyntax("https://10.0.0.8/v1"); err != nil {
-		t.Fatalf("部署允许的私有端点应通过: %v", err)
+	for _, raw := range []string{"http://10.0.0.8/v1", "https://10.0.0.8/v1"} {
+		if _, err := allowed.ValidateSyntax(raw); err != nil {
+			t.Errorf("现有部署允许列表中的私有 HTTP/HTTPS 端点应通过: %q %v", raw, err)
+		}
+	}
+}
+
+func TestSafeAIHTTPClient_可调用允许列表中的HTTP端点(t *testing.T) {
+	server := httptest.NewServer(http.HandlerFunc(func(response http.ResponseWriter, request *http.Request) {
+		if request.URL.Path != "/v1/chat/completions" {
+			t.Errorf("请求路径 = %q", request.URL.Path)
+		}
+		if request.Header.Get("Authorization") != "Bearer fake-http-key" {
+			t.Errorf("Authorization 未按既有方式发送")
+		}
+		response.WriteHeader(http.StatusOK)
+	}))
+	defer server.Close()
+
+	policy := NewAIEndpointPolicy([]string{"127.0.0.1"})
+	if err := policy.ValidateResolved(context.Background(), server.URL+"/v1"); err != nil {
+		t.Fatalf("测试级允许列表中的 HTTP 地址应通过完整校验: %v", err)
+	}
+	client := NewSafeAIHTTPClient(policy, time.Second)
+	if err := callAIHealthCheck(context.Background(), client, model.AIProviderConfig{
+		BaseURL: server.URL + "/v1", Model: "test-model",
+	}, "fake-http-key"); err != nil {
+		t.Fatalf("HTTP OpenAI 兼容端点调用失败: %v", err)
 	}
 }
 

admin/templates/ai/list.html

@@ -7,7 +7,7 @@
     <label for="ai-name">服务商</label>
     <input id="ai-name" name="name" maxlength="191" required placeholder="例如：主模型">
     <label for="ai-base-url">Base URL</label>
-    <input id="ai-base-url" name="base_url" type="url" required placeholder="https://api.example.com/v1">
+    <input id="ai-base-url" name="base_url" type="url" required placeholder="http://api.example.com/v1">
     <label for="ai-model">模型</label>
     <input id="ai-model" name="model" maxlength="191" required placeholder="模型名称">
     <label for="ai-timeout">超时</label>
@@ -24,7 +24,7 @@
 {{if .Message}}<p class="hint" role="status">{{.Message}}</p>{{end}}
 {{if .Error}}<p class="missing" role="alert">{{.Error}}</p>{{end}}
 {{if .SecretStoreError}}<p class="missing" role="alert">密钥存储不可用：{{.SecretStoreError}}</p>{{end}}
-<p class="hint">API Key 只写入部署指定的独立 600 权限密钥文件。页面永不回显明文；修改普通配置或密钥后必须重新测试才能启用。</p>
+<p class="hint">Base URL 支持 HTTP 和 HTTPS；HTTP 会明文传输 API Key 和匹配请求，请只在可信网络使用。API Key 只写入部署指定的独立 600 权限密钥文件，页面永不回显明文；修改普通配置或密钥后必须重新测试才能启用。</p>
 
 <div class="table-wrap">
 <table class="ai-config-table">