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Versions: 20
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Contents
# encoding: utf-8
require 'net/http'
module CarrierWave
module Uploader
module Download
depends_on CarrierWave::Uploader::Callbacks
depends_on CarrierWave::Uploader::Configuration
depends_on CarrierWave::Uploader::Cache
class RemoteFile
def initialize(uri)
@uri = URI.parse(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
@file ||= StringIO.new(Net::HTTP.get_response(@uri).body)
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
20 entries across 20 versions & 4 rubygems