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  • Committer: Jelmer Vernooij
  • Date: 2007-07-15 15:22:29 UTC
  • Revision ID: jelmer@samba.org-20070715152229-clmlen0vpd8d2pzx
Add docstrings, remove unused code.

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keyring.py
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# Copyright (C) 2009 Jelmer Vernooij <jelmer@samba.org>
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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import gobject
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try:
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    import gnomekeyring
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except ImportError:
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    gnomekeyring = None
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from bzrlib.config import (
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    CredentialStore,
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    )
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class GnomeKeyringCredentialStore(CredentialStore):
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    def __init__(self):
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        CredentialStore.__init__(self)
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        # Older versions of gobject don't provide get_application_name so we
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        # can't always check.
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        get_app_name = getattr(gobject, 'get_application_name', None)
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        if get_app_name is None or get_app_name() is None:
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            # External applications that load bzrlib may already have set the
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            # application name so we don't contradict them (when we can
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            # determine it that is).
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            gobject.set_application_name("bzr")
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    def decode_password(self, credentials):
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        if gnomekeyring is None:
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            return None
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        attrs = {}
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        if "scheme" in credentials:
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            attrs["protocol"] = credentials["scheme"].encode("utf-8")
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        if "host" in credentials:
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            attrs["server"] = credentials["host"].encode("utf-8")
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        if "user" in credentials:
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            attrs["user"] = credentials["user"].encode("utf-8")
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        if credentials.get("port") is not None:
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            attrs["port"] = credentials["port"]
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        try:
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            items = gnomekeyring.find_items_sync(
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                gnomekeyring.ITEM_NETWORK_PASSWORD, attrs)
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            return items[0].secret
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        except (gnomekeyring.NoMatchError, gnomekeyring.DeniedError):
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            return None
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    def get_credentials(self, scheme, host, port=None, user=None, path=None, 
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                        realm=None):
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        if gnomekeyring is None:
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            return None
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        attrs = {
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            "protocol": scheme.encode("utf-8"),
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            "server": host.encode("utf-8"),
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            }
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        # TODO: realm ?
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        if port is not None:
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            attrs["port"] = port
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        if user is not None:
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            attrs["user"] = user.encode("utf-8")
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        credentials = { "scheme": scheme, "host": host, "port": port, 
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            "realm": realm, "user": user}
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        try:
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            items = gnomekeyring.find_items_sync(
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                gnomekeyring.ITEM_NETWORK_PASSWORD, attrs)
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            credentials["user"] = items[0].attributes["user"]
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            credentials["password"] = items[0].secret
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            return credentials
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        except (gnomekeyring.NoMatchError, gnomekeyring.DeniedError, gnomekeyring.NoKeyringDaemonError,
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                gnomekeyring.IOError), e:
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            from bzrlib import trace
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            trace.mutter('Unable to obtain credentials for %r from GNOME keyring: %r',
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                         attrs, e)
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            return None