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class UploadsController < ApplicationController
include UploadsActions
skip_before_action :authenticate_user!
before_action :find_model
before_action :authorize_access!, only: [:show]
before_action :authorize_create_access!, only: [:create]
private
def find_model
return render_404 unless upload_model && upload_mount
@model = upload_model.find(params[:id])
end
def authorize_access!
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!
# 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
upload_models = {
"user" => User,
"project" => Project,
"note" => Note,
"group" => Group,
"appearance" => Appearance,
"personal_snippet" => PersonalSnippet
}
upload_models[params[:model]]
end
def upload_mount
return true unless params[:mounted_as]
upload_mounts = %w(avatar attachment file logo header_logo)
if upload_mounts.include?(params[:mounted_as])
params[:mounted_as]
end
end
def uploader
return @uploader if defined?(@uploader)
if model.is_a?(PersonalSnippet)
@uploader = PersonalFileUploader.new(model, params[:secret])
@uploader.retrieve_from_store!(params[:filename])
else
@uploader = @model.send(upload_mount)
redirect_to @uploader.url unless @uploader.file_storage?
end
@uploader
end
def uploader_class
PersonalFileUploader
end
def model
@model ||= find_model
end
end
|
