fixed 下载文件

app/controllers/attachments_controller.rb

@@ -35,30 +35,31 @@ class AttachmentsController < ApplicationController
     normal_status(-1, "参数缺失") if params[:download_url].blank?
     tip_exception('不可访问') if params[:download_url].to_s.include?("chinese_dictionary.txt")
     url = base_url.starts_with?("https:") ? params[:download_url].to_s.gsub("http:", "https:") : params[:download_url].to_s
-    md5_file  = Digest::MD5.hexdigest(params[:download_url])
-    FileUtils.mkdir_p("#{Rails.root}#{EduSetting.get("attachment_folder")}gitea/") unless Dir.exists?("#{Rails.root}#{EduSetting.get("attachment_folder")}gitea/")
-    tmp_path = "#{Rails.root}#{EduSetting.get("attachment_folder")}gitea/#{Time.now.strftime('%Y%m%d')}-#{md5_file}"
     if url.starts_with?(base_url) && !url.starts_with?("#{base_url}/repo")
       domain  = GiteaService.gitea_config[:domain]
       api_url = GiteaService.gitea_config[:base_url]
       url = ("/repos"+url.split(base_url + "/api")[1])
-      ref = url.split("?")[1]
-      filepath = url.split("?")[0].split("/")[-1]
-      url.gsub!(filepath+"?"+ref, '')
+      filepath, ref = url.split("/")[-1].split("?")
+      url.gsub!(url.split("/")[-1], '')
       # Rails.logger.info("url===#{url}")
       Rails.logger.info(filepath)
-      ref = ref.blank? ? "" : URI.escape(ref.split('ref=')[1])
-      request_url = [domain, api_url, URI.encode(url), URI.escape(filepath), "?ref=#{ref}&access_token=#{User.where(admin: true).take&.gitea_token}"].join
+      request_url = [domain, api_url, URI.encode(url), URI.escape(filepath), "?ref=#{URI.escape(ref.split('ref=')[1])}&access_token=#{User.where(admin: true).take&.gitea_token}"].join
       Rails.logger.info("request_url===#{request_url}")
-      File.delete(tmp_path) if File.exist?(tmp_path) # 删除之前的文件
-      Util.download_file(request_url, tmp_path)
-      filename = filepath
+      suffix = request_url.split("?").first.split(".").last
+      suffix_arr = ["zip", "rar", "xls", "xlsx", "pdf", "doc", "docx", "exe"] # 非文本文件直接重定向下载
+      Rails.logger.info("suffix===#{suffix}，#{suffix_arr.include?(suffix.to_s.downcase)}")
+      if suffix_arr.include?(suffix.to_s.downcase)
+        redirect_to request_url
+        return
+      else
+        response = Faraday.get(request_url)
+        filename = filepath
+      end
     else
-      File.delete(tmp_path) if File.exist?(tmp_path) # 删除之前的文件
-      Util.download_file(URI.encode(url), tmp_path)
+      response = Faraday.get(URI.encode(url))
       filename = params[:download_url].to_s.split("/").pop()
     end
-    send_file(tmp_path,  filename: filename, type: "application/octet-stream", disposition: 'attachment')
+    send_data(response.body.force_encoding("UTF-8"),  filename: filename, type: "application/octet-stream", disposition: 'attachment')
   end
 
   def create