feat: manually mirror opencoze's code from bytedance

Change-Id: I09a73aadda978ad9511264a756b2ce51f5761adf

backend/domain/plugin/conf/config.go

@@ -0,0 +1,78 @@
+/*
+ * Copyright 2025 coze-dev Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package conf
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"os"
+	"path"
+
+	"github.com/bytedance/sonic"
+
+	"github.com/coze-dev/coze-studio/backend/pkg/logs"
+)
+
+func InitConfig(ctx context.Context) (err error) {
+	cwd, err := os.Getwd()
+	if err != nil {
+		logs.Warnf("[InitConfig] Failed to get current working directory: %v", err)
+		cwd = os.Getenv("PWD")
+	}
+
+	basePath := path.Join(cwd, "resources", "conf", "plugin")
+
+	err = loadPluginProductMeta(ctx, basePath)
+	if err != nil {
+		return err
+	}
+
+	err = loadOAuthSchema(ctx, basePath)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+var oauthSchema string
+
+func GetOAuthSchema() string {
+	return oauthSchema
+}
+
+func loadOAuthSchema(ctx context.Context, basePath string) (err error) {
+	filePath := path.Join(basePath, "common", "oauth_schema.json")
+	file, err := os.ReadFile(filePath)
+	if err != nil {
+		return fmt.Errorf("read file '%s' failed, err=%v", filePath, err)
+	}
+
+	if !isValidJSON(file) {
+		return fmt.Errorf("invalid json, filePath=%s", filePath)
+	}
+
+	oauthSchema = string(file)
+
+	return nil
+}
+
+func isValidJSON(data []byte) bool {
+	var js json.RawMessage
+	return sonic.Unmarshal(data, &js) == nil
+}