Current File : //lib/python3/dist-packages/softwareproperties/ppa.py
# software-properties PPA support, using launchpadlib
#
# Copyright (c) 2019 Canonical Ltd.
#
# Original Author: Michael Vogt <mvo@debian.org>
# Rewrite: Dan Streetman <ddstreet@canonical.com>
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of the
# License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
# USA
from gettext import gettext as _
from launchpadlib.launchpad import Launchpad
from lazr.restfulclient.errors import (NotFound, BadRequest, Unauthorized)
from softwareproperties.shortcuthandler import (ShortcutHandler, ShortcutException,
InvalidShortcutException)
from softwareproperties.sourceslist import SourcesListShortcutHandler
from softwareproperties.uri import URIShortcutHandler
from urllib.parse import urlparse
PPA_URI_FORMAT = 'https://ppa.launchpadcontent.net/{team}/{ppa}/ubuntu/'
PRIVATE_PPA_URI_FORMAT = 'https://private-ppa.launchpadcontent.net/{team}/{ppa}/ubuntu/'
PPA_VALID_HOSTNAMES = [
urlparse(PPA_URI_FORMAT).hostname,
urlparse(PRIVATE_PPA_URI_FORMAT).hostname,
# Old hostnames.
'ppa.launchpad.net',
'private-ppa.launchpad.net',
]
PPA_VALID_COMPS = ['main', 'main/debug']
class PPAShortcutHandler(ShortcutHandler):
def __init__(self, shortcut, login=False, **kwargs):
super(PPAShortcutHandler, self).__init__(shortcut, **kwargs)
self._lp_anon = not login
self._signing_key_data = None
self._lp = None # LP object
self._lpteam = None # Person/Team LP object
self._lpppa = None # PPA Archive LP object
self._is_sourceslist = False
# one of these will set teamname and ppaname, and maybe _source_entry
if not any((self._match_ppa(shortcut),
self._match_uri(shortcut),
self._match_sourceslist(shortcut))):
msg = (_("ERROR: '%s' is not a valid ppa format") % shortcut)
raise InvalidShortcutException(msg)
self._filebase = "%s-ubuntu-%s" % (self.teamname, self.ppaname)
self._set_auth()
# Make sure we can find/access the PPA, lp:#1965180
if self._is_sourceslist:
try:
self.lpppa
except ShortcutException:
raise InvalidShortcutException(_("ERROR: Can't find ppa"))
if not self._source_entry:
comps = self.components
if not comps:
comps = ['main']
if self.lpppa.publish_debug_symbols:
print("PPA publishes dbgsym, you may need to include 'main/debug' component")
# comps += ['main/debug']
uri_format = PRIVATE_PPA_URI_FORMAT if self.lpppa.private else PPA_URI_FORMAT
uri = uri_format.format(team=self.teamname, ppa=self.ppaname)
line = ('%s %s %s %s' % (self.binary_type, uri, self.dist, ' '.join(comps)))
self._set_source_entry(line)
@property
def lp(self):
if not self._lp:
if self._lp_anon:
login_func = Launchpad.login_anonymously
else:
login_func = Launchpad.login_with
self._lp = login_func("%s.%s" % (self.__module__, self.__class__.__name__),
service_root='production',
version='devel')
return self._lp
@property
def lpteam(self):
if not self._lpteam:
try:
self._lpteam = self.lp.people(self.teamname)
except NotFound:
msg = (_("ERROR: user/team '%s' not found (use --login if private)") % self.teamname)
raise ShortcutException(msg)
except Unauthorized:
msg = (_("ERROR: invalid user/team name '%s'") % self.teamname)
raise ShortcutException(msg)
return self._lpteam
@property
def lpppa(self):
if not self._lpppa:
try:
self._lpppa = self.lpteam.getPPAByName(name=self.ppaname)
except NotFound:
msg = (_("ERROR: ppa '%s/%s' not found (use --login if private)") %
(self.teamname, self.ppaname))
raise ShortcutException(msg)
except BadRequest:
msg = (_("ERROR: invalid ppa name '%s'") % self.ppaname)
raise ShortcutException(msg)
return self._lpppa
@property
def description(self):
return self.lpppa.description
@property
def web_link(self):
return self.lpppa.web_link
@property
def trustedparts_content(self):
if not self._signing_key_data:
key = self.lpppa.getSigningKeyData()
fingerprint = self.lpppa.signing_key_fingerprint
if not fingerprint:
print(_("Warning: could not get PPA signing_key_fingerprint from LP, using anyway"))
elif 'redacted' in fingerprint:
print(_("Private PPA fingerprint redacted, using key anyway (LP: #1879781)"))
elif not fingerprint in self.fingerprints(key):
msg = (_("Fingerprints do not match, not importing: '%s' != '%s'") %
(fingerprint, ','.join(self.fingerprints(key))))
raise ShortcutException(msg)
self._signing_key_data = key
return self._signing_key_data
def SourceEntry(self, pkgtype=None):
entry = super(PPAShortcutHandler, self).SourceEntry(pkgtype=pkgtype)
if pkgtype != self.source_type or self.components:
return entry
# 'main/debug' is needed to get dbgsyms from ppas,
# but it's not a valid component for ppa deb-src lines.
# Sigh.
entry.comps = list(set(entry.comps) - set(['main/debug']))
return entry
def _set_source_entry(self, line):
super(PPAShortcutHandler, self)._set_source_entry(line)
invalid_comps = set(self.SourceEntry().comps) - set(PPA_VALID_COMPS)
if invalid_comps:
print(_("Warning: components '%s' not valid for PPA") % ' '.join(invalid_comps))
def _match_ppa(self, shortcut):
(prefix, _, ppa) = shortcut.rpartition(':')
if not prefix.lower() == 'ppa':
return False
(teamname, _, ppaname) = ppa.partition('/')
teamname = teamname.lstrip('~')
if '/' in ppaname:
(ubuntu, _, ppaname) = ppaname.partition('/')
if ubuntu.lower() != 'ubuntu':
# PPAs only support ubuntu
return False
if '/' in ppaname:
# Path is too long for valid ppa
return False
self.teamname = teamname
self.ppaname = ppaname or 'ppa'
return True
def _match_uri(self, shortcut):
try:
return self._match_handler(URIShortcutHandler(shortcut))
except InvalidShortcutException:
return False
def _match_sourceslist(self, shortcut):
try:
handler = self._match_handler(SourcesListShortcutHandler(shortcut))
except InvalidShortcutException:
return False
self._is_sourceslist = True
return handler
def _match_handler(self, handler):
parsed = urlparse(handler.SourceEntry().uri)
if not parsed.hostname in PPA_VALID_HOSTNAMES:
return False
path = parsed.path.strip().strip('/').split('/')
if len(path) < 2:
return False
self.teamname = path[0]
self.ppaname = path[1]
self._username = handler.username
self._password = handler.password
self._set_source_entry(handler.SourceEntry().line)
return True
def _set_auth(self):
if self._lp_anon or not self.lpppa.private:
return
if self._username and self._password:
return
for url in self.lp.me.getArchiveSubscriptionURLs():
parsed = urlparse(url)
if parsed.path.startswith(f'/{self.teamname}/{self.ppaname}/ubuntu'):
self._username = parsed.username
self._password = parsed.password
break
else:
msg = (_("Could not find PPA subscription for ppa:%s/%s, you may need to request access") %
(self.teamname, self.ppaname))
raise ShortcutException(msg)
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