Sha256: 32826a05597a8fa8a4dac5f005e556ccdf4809cbcd728805a0ae33731b289df0
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Size: 1.39 KB
Versions: 6
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Stored size: 1.39 KB
Contents
# encoding: utf-8
require 'open-uri'
module CarrierWave
module Uploader
module Download
extend ActiveSupport::Concern
include CarrierWave::Uploader::Callbacks
include CarrierWave::Uploader::Configuration
include CarrierWave::Uploader::Cache
class RemoteFile
def initialize(uri)
@uri = URI.parse(URI.escape(uri))
end
def original_filename
File.basename(@uri.path)
end
def respond_to?(*args)
super or file.respond_to?(*args)
end
def http?
@uri.scheme =~ /^https?$/
end
private
def file
if @file.blank?
@file = Kernel.open(@uri.to_s)
@file = @file.is_a?(String) ? StringIO.new(@file) : @file
end
@file
end
def method_missing(*args, &block)
file.send(*args, &block)
end
end
##
# Caches the file by downloading it from the given URL.
#
# === Parameters
#
# [url (String)] The URL where the remote file is stored
#
def download!(uri)
unless uri.blank?
file = RemoteFile.new(uri)
raise CarrierWave::DownloadError, "trying to download a file which is not served over HTTP" unless file.http?
cache!(file)
end
end
end # Download
end # Uploader
end # CarrierWave
Version data entries
6 entries across 6 versions & 2 rubygems