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# frozen_string_literal: true
class UploadsController < ApplicationController
include UploadsActions
UnknownUploadModelError = Class.new(StandardError)
MODEL_CLASSES = {
"user" => User,
"project" => Project,
"note" => Note,
"group" => Group,
"appearance" => Appearance,
"personal_snippet" => PersonalSnippet,
nil => PersonalSnippet
}.freeze
rescue_from UnknownUploadModelError, with: :render_404
skip_before_action :authenticate_user!
before_action :upload_mount_satisfied?
before_action :find_model
before_action :authorize_access!, only: [:show]
before_action :authorize_create_access!, only: [:create]
def uploader_class
PersonalFileUploader
end
def find_model
return nil unless params[:id]
upload_model_class.find(params[:id])
end
def authorize_access!
return nil unless model
authorized =
case model
when Note
can?(current_user, :read_project, model.project)
when User
true
when Appearance
true
else
permission = "read_#{model.class.to_s.underscore}".to_sym
can?(current_user, permission, model)
end
render_unauthorized unless authorized
end
def authorize_create_access!
return nil unless model
# for now we support only personal snippets comments
authorized = can?(current_user, :comment_personal_snippet, model)
render_unauthorized unless authorized
end
def render_unauthorized
if current_user
render_404
else
authenticate_user!
end
end
def upload_model_class
MODEL_CLASSES[params[:model]] || raise(UnknownUploadModelError)
end
def upload_model_class_has_mounts?
upload_model_class < CarrierWave::Mount::Extension
end
def upload_mount_satisfied?
return true unless upload_model_class_has_mounts?
upload_model_class.uploader_options.has_key?(upload_mount)
end
end
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