def extract_bower_zipfile(self, zip_file, dest, expected_version=None):
        bower_json = None
        root = None
        deps_installed = []
        for info in zip_file.infolist():
            if PurePath(info.filename).name == "bower.json":
                with zip_file.open(info) as f:
                    bower_json = json.load(f)
                    root = str(PurePath(info.filename).parent)
                break
        version = bower_json["version"]
        if expected_version is not None:
            expected_version = Bower.clean_semver(expected_version)
            if not semver.match(version, expected_version):
                click.secho("error: versions do not match ({} =/= {})".format(
                    version, expected_version))
                raise InvalidPackageError
        if "dependencies" in bower_json:
            for package, version in bower_json["dependencies"].items():
                url = Bower.get_package_url(package)
                deps_installed.extend(self.get_bower_package(
                    url, dest=dest, version=version))
        ignore_patterns = [GitIgnorePattern(ig) for ig in bower_json["ignore"]]
        path_spec = PathSpec(ignore_patterns)
        namelist = [path for path in zip_file.namelist()
                    if PurePath(path).parts[0] == root]
        ignored = list(path_spec.match_files(namelist))
        for path in namelist:
            dest_path = PurePath(
                bower_json["name"],
                *PurePath(path).parts[1:])

            if path in ignored:
                continue

            for path in ignored:
                for parent in PurePath(path):
                    if parent in ignored:
                        continue

            if path.endswith("/"):
                if list(path_spec.match_files([str(dest_path)])):
                    ignored.append(PurePath(path))
                elif not (dest / dest_path).is_dir():
                    (dest / dest_path).mkdir(parents=True)
            else:
                target_path = dest / dest_path.parent / dest_path.name
                source = zip_file.open(path)
                target = target_path.open("wb")
                with source, target:
                    shutil.copyfileobj(source, target)
        deps_installed.append((bower_json["name"], bower_json["version"]))
        return deps_installed
def _on_Connection(self, server, user, password,
                       auto_bind=None, client_strategy=None,
                       authentication=None, check_names=None,
                       auto_referrals=None, receive_timeout=None):
        """
        We need to create a Connection object with
        methods:
            add()
            modify()
            search()
            unbind()
        and object
            response
        """
        # Raise an exception, if we are told to do so
        if self.exception:
            raise Exception("LDAP request failed")
        # check the password
        correct_password = False
        # Anonymous bind
        # Reload the directory just in case a change has been made to
        # user credentials
        self.directory = self._load_data(DIRECTORY)
        if authentication == ldap3.ANONYMOUS and user == "":
            correct_password = True
        for entry in self.directory:
            if to_unicode(entry.get("dn")) == user:
                pw = entry.get("attributes").get("userPassword")
                # password can be unicode
                if to_bytes(pw) == to_bytes(password):
                    correct_password = True
                elif pw.startswith('{SSHA}'):
                    correct_password = ldap_salted_sha1.verify(password, pw)
                else:
                    correct_password = False
        self.con_obj = Connection(self.directory)
        self.con_obj.bound = correct_password
        return self.con_obj