Ejemplo n.º 1
0
func (s *suite) TestDownloadError(c *gc.C) {
	gitjujutesting.Server.Response(404, nil, nil)
	d := downloader.New(s.URL("/archive.tgz"), c.MkDir(), utils.VerifySSLHostnames)
	status := <-d.Done()
	c.Assert(status.File, gc.IsNil)
	c.Assert(status.Err, gc.ErrorMatches, `cannot download ".*": bad http response: 404 Not Found`)
}
Ejemplo n.º 2
0
Archivo: bundles.go Proyecto: bac/juju
// NewBundlesDir returns a new BundlesDir which uses path for storage.
func NewBundlesDir(path string, dlr Downloader) *BundlesDir {
	if dlr == nil {
		dlr = downloader.New(downloader.NewArgs{
			HostnameVerification: utils.NoVerifySSLHostnames,
		})
	}
	return &BundlesDir{
		path:       path,
		downloader: dlr,
	}
}
Ejemplo n.º 3
0
func (s *DownloaderSuite) TestDownload(c *gc.C) {
	tmp := c.MkDir()
	gitjujutesting.Server.Response(200, nil, []byte("archive"))
	dlr := downloader.New(downloader.NewArgs{})
	filename, err := dlr.Download(downloader.Request{
		URL:       s.URL(c, "/archive.tgz"),
		TargetDir: tmp,
	})
	c.Assert(err, jc.ErrorIsNil)
	dir, _ := filepath.Split(filename)
	c.Assert(filepath.Clean(dir), gc.Equals, tmp)
	assertFileContents(c, filename, "archive")
}
Ejemplo n.º 4
0
func (s *suite) TestStopDownload(c *gc.C) {
	tmp := c.MkDir()
	d := downloader.New(s.URL("/x.tgz"), tmp, utils.VerifySSLHostnames)
	d.Stop()
	select {
	case status := <-d.Done():
		c.Fatalf("received status %#v after stop", status)
	case <-time.After(testing.ShortWait):
	}
	infos, err := ioutil.ReadDir(tmp)
	c.Assert(err, gc.IsNil)
	c.Assert(infos, gc.HasLen, 0)
}
Ejemplo n.º 5
0
func (s *DownloaderSuite) TestDownloadError(c *gc.C) {
	gitjujutesting.Server.Response(404, nil, nil)
	dlr := downloader.New(downloader.NewArgs{
		HostnameVerification: utils.VerifySSLHostnames,
	})
	dl := dlr.Start(downloader.Request{
		URL:       s.URL(c, "/archive.tgz"),
		TargetDir: c.MkDir(),
	})
	status := <-dl.Done()
	c.Assert(status.File, gc.IsNil)
	c.Assert(status.Err, gc.ErrorMatches, `cannot download ".*": bad http response: 404 Not Found`)
}
Ejemplo n.º 6
0
// download fetches the supplied charm and checks that it has the correct sha256
// hash, then copies it into the directory. If a value is received on abort, the
// download will be stopped.
func (d *BundlesDir) download(info BundleInfo, abort <-chan struct{}) (err error) {
	archiveURL, disableSSLHostnameVerification, err := info.ArchiveURL()
	if err != nil {
		return err
	}
	defer errors.Maskf(&err, "failed to download charm %q from %q", info.URL(), archiveURL)
	dir := d.downloadsPath()
	if err := os.MkdirAll(dir, 0755); err != nil {
		return err
	}
	aurl := archiveURL.String()
	logger.Infof("downloading %s from %s", info.URL(), aurl)
	if disableSSLHostnameVerification {
		logger.Infof("SSL hostname verification disabled")
	}
	dl := downloader.New(aurl, dir, disableSSLHostnameVerification)
	defer dl.Stop()
	for {
		select {
		case <-abort:
			logger.Infof("download aborted")
			return fmt.Errorf("aborted")
		case st := <-dl.Done():
			if st.Err != nil {
				return st.Err
			}
			logger.Infof("download complete")
			defer st.File.Close()
			actualSha256, _, err := utils.ReadSHA256(st.File)
			if err != nil {
				return err
			}
			archiveSha256, err := info.ArchiveSha256()
			if err != nil {
				return err
			}
			if actualSha256 != archiveSha256 {
				return fmt.Errorf(
					"expected sha256 %q, got %q", archiveSha256, actualSha256,
				)
			}
			logger.Infof("download verified")
			if err := os.MkdirAll(d.path, 0755); err != nil {
				return err
			}
			// Renaming an open file is not possible on Windows
			st.File.Close()
			return os.Rename(st.File.Name(), d.bundlePath(info))
		}
	}
}
Ejemplo n.º 7
0
func (s *suite) testDownload(c *gc.C, hostnameVerification utils.SSLHostnameVerification) {
	tmp := c.MkDir()
	gitjujutesting.Server.Response(200, nil, []byte("archive"))
	d := downloader.New(s.URL("/archive.tgz"), tmp, hostnameVerification)
	status := <-d.Done()
	c.Assert(status.Err, gc.IsNil)
	c.Assert(status.File, gc.NotNil)
	defer os.Remove(status.File.Name())
	defer status.File.Close()

	dir, _ := filepath.Split(status.File.Name())
	c.Assert(filepath.Clean(dir), gc.Equals, tmp)
	assertFileContents(c, status.File, "archive")
}
Ejemplo n.º 8
0
func (s *DownloaderSuite) testStart(c *gc.C, hostnameVerification utils.SSLHostnameVerification) {
	tmp := c.MkDir()
	gitjujutesting.Server.Response(200, nil, []byte("archive"))
	dlr := downloader.New(downloader.NewArgs{
		HostnameVerification: hostnameVerification,
	})
	dl := dlr.Start(downloader.Request{
		URL:       s.URL(c, "/archive.tgz"),
		TargetDir: tmp,
	})
	status := <-dl.Done()
	c.Assert(status.Err, gc.IsNil)
	dir, _ := filepath.Split(status.Filename)
	c.Assert(filepath.Clean(dir), gc.Equals, tmp)
	assertFileContents(c, status.Filename, "archive")
}
Ejemplo n.º 9
0
func tryDownload(url, dir string, abort <-chan struct{}) (downloader.Status, error) {
	// Downloads always go through the API server, which at
	// present cannot be verified due to the certificates
	// being inadequate. We always verify the SHA-256 hash,
	// and the data transferred is not sensitive, so this
	// does not pose a problem.
	dl := downloader.New(url, dir, utils.NoVerifySSLHostnames)
	defer dl.Stop()
	select {
	case <-abort:
		logger.Infof("download aborted")
		return downloader.Status{}, errors.New("aborted")
	case st := <-dl.Done():
		if st.Err != nil {
			return downloader.Status{}, st.Err
		}
		return st, nil
	}
}
Ejemplo n.º 10
0
func (s *DownloaderSuite) TestStopDownload(c *gc.C) {
	tmp := c.MkDir()
	dlr := downloader.New(downloader.NewArgs{
		HostnameVerification: utils.VerifySSLHostnames,
	})
	dl := dlr.Start(downloader.Request{
		URL:       s.URL(c, "/x.tgz"),
		TargetDir: tmp,
	})
	dl.Stop()
	select {
	case status := <-dl.Done():
		c.Fatalf("received status %#v after stop", status)
	case <-time.After(testing.ShortWait):
	}
	infos, err := ioutil.ReadDir(tmp)
	c.Assert(err, jc.ErrorIsNil)
	c.Assert(infos, gc.HasLen, 0)
}