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|
module Projects
class DownloadService < BaseService
WHITELIST = [
/^[^.]+\.fogbugz.com$/
]
def initialize(project, url)
@project, @url = project, url
end
def execute
return nil unless valid_url?(@url)
uploader = FileUploader.new(@project)
uploader.download!(@url)
uploader.store!
filename = uploader.image? ? uploader.file.basename : uploader.file.filename
{
'alt' => filename,
'url' => uploader.secure_url,
'is_image' => uploader.image?
}
end
private
def valid_url?(url)
url && http?(url) && valid_domain?(url)
end
def http?(url)
url =~ /\A#{URI::regexp(['http', 'https'])}\z/
end
def valid_domain?(url)
host = URI.parse(url).host
WHITELIST.any? { |entry| entry === host }
end
end
end
|
