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@ -4,14 +4,13 @@
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class AttachmentsController < ApplicationController
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before_action :require_login, :check_auth, except: [:show]
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before_action :find_file, only: %i[show destroy]
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before_action :attachment_candown, only: [:show]
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include ApplicationHelper
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def show
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# 1. 优先跳到cdn
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# 2. 如果没有cdn,send_file
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candown = attachment_candown @file
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tip_exception("您没有权限下载该附件") if !candown
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if @file.cloud_url.present?
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update_downloads(@file)
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redirect_to @file.cloud_url and return
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@ -160,32 +159,32 @@ class AttachmentsController < ApplicationController
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edu_setting('public_cdn_host') + "/" + path
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end
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def attachment_candown attachment
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return true if current_user.admin? || current_user.business?
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candown = false
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if attachment.container && current_user.logged?
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# 课堂资源、作业、毕设相关资源的权限判断
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if attachment.container.is_a?(Course)
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course = attachment.container
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candown = current_user.member_of_course?(course) || attachment.is_public == 1
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elsif attachment.container.is_a?(HomeworkCommon) || attachment.container.is_a?(GraduationTask) || attachment.container.is_a?(GraduationTopic)
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course = attachment.container&.course
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elsif attachment.container.is_a?(StudentWork)
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course = attachment.container&.homework_common&.course
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elsif attachment.container.is_a?(StudentWorksScore)
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course = attachment.container&.student_work&.homework_common&.course
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elsif attachment.container.is_a?(GraduationWork)
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course = attachment.container&.graduation_task&.course
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elsif attachment.container.is_a?(GraduationWorkScore)
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course = attachment.container&.graduation_work&.graduation_task&.course
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else
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def attachment_candown
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unless current_user.admin? || current_user.business?
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candown = true
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if @file.container && current_user.logged?
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# 课堂资源、作业、毕设相关资源的权限判断
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if @file.container.is_a?(Course)
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course = @file.container
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candown = current_user.member_of_course?(course) || @file.is_public == 1
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elsif @file.container.is_a?(HomeworkCommon) || @file.container.is_a?(GraduationTask) || @file.container.is_a?(GraduationTopic)
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course = @file.container&.course
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candown = current_user.member_of_course?(course)
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elsif @file.container.is_a?(StudentWork)
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course = @file.container&.homework_common&.course
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candown = current_user.member_of_course?(course)
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elsif @file.container.is_a?(StudentWorksScore)
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course = @file.container&.student_work&.homework_common&.course
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candown = current_user.member_of_course?(course)
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elsif @file.container.is_a?(GraduationWork)
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course = @file.container&.graduation_task&.course
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candown = current_user.member_of_course?(course)
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elsif @file.container.is_a?(GraduationWorkScore)
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course = @file.container&.graduation_work&.graduation_task&.course
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candown = current_user.member_of_course?(course)
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end
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tip_exception(403, "您没有权限进入") if course.present? && !candown
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end
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candown = !candown && course.present? ? current_user.member_of_course?(course) : candown
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else
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candown = true
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end
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candown
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end
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end
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