Module: XLiveServices::Media

Defined in:
lib/xlive_services/media.rb

Defined Under Namespace

Classes: DownloadError, DownloadForbidden

Class Method Summary collapse

Class Method Details

.Download(urls, target, overwrite = false, keep = false) ⇒ Object 



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# File 'lib/xlive_services/media.rb', line 10

def self.Download(urls, target, overwrite = false, keep = false)
    uris = []
    urls.each do |url|
        uris << [URI.parse(url), url]
    end
    uris.each do |uri|
        path = File::expand_path(File.basename(uri.first.path), target)
        request = HTTPI::Request.new(uri.last)
        response = nil
        file = nil
        begin
            if overwrite or not File.exist?(path) or File::size(path).zero?
                response = nil
                file = File.open(path, 'wb')
                request.on_body do |data|
                    file.write(data)
                end
                yield(request, path)
                response = HTTPI.get(request)
                if response.error?
                    file.truncate(0)
                    if response.code == 403
                        raise DownloadForbidden.new(response.body)
                    else
                        raise DownloadError.new(response.code)
                    end
                end
                file.close
                file = nil
            else
                yield(nil, path)
            end
            urls.delete(uri.last)
        rescue Exception => e
            file.close if file
            FileUtils.remove_file(path, true) unless keep
            raise e
        end
    end
end

.GetManifestLinks(manifest_cab) ⇒ Object 



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# File 'lib/xlive_services/media.rb', line 61

def self.GetManifestLinks(manifest_cab)
    links = []
    decompressor = LibMsPack::CabDecompressor.new
    decompressor.setParam(LibMsPack::MSCABD_PARAM_FIXMSZIP, 1)
    cab = decompressor.open(manifest_cab)
    begin
        file = cab.files
        begin
            if file.getFilename.casecmp('Content\OfferManifest.xml').zero?
                xmlFile = Tempfile.new('manifest_xml')
                decompressor.extract(file, xmlFile.path)
                begin
                    xmlFile.open
                    data = MultiXml.parse(xmlFile)
                    items = data['OfferManifest']['Items']['Item']
                    items = [items] unless items.is_a?(Array)
                    items.each do |item|
                        links << item['Link']['Url']
                    end
                ensure
                    xmlFile.close
                    xmlFile.unlink
                end
                break
            end
        end until (file = file.next).nil?
    ensure
        decompressor.close(cab)
        decompressor.destroy
    end
    links
end

.IsManifest?(path) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/xlive_services/media.rb', line 51

def self.IsManifest?(path)
    parts = path.split('.')
    return false if parts.length < 2
    parts[-2].end_with?('_manifest')
end

.IsSupportedManifest?(path) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/xlive_services/media.rb', line 57

def self.IsSupportedManifest?(path)
    path.end_with?('.cab')
end