mirror of
https://github.com/freedombox/FreedomBox.git
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e3c285c4cb
Set debconf values so that the database gets dropped when the package is removed Tests: * Install App and subscribe to a feed * Apply patches, then reinstall app: confirm the feed is purged * Functional tests passed Signed-off-by: nbenedek <contact@nbenedek.me> Reviewed-by: Sunil Mohan Adapa <sunil@medhas.org>
140 lines
5.0 KiB
Python
140 lines
5.0 KiB
Python
# SPDX-License-Identifier: AGPL-3.0-or-later
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"""FreedomBox app to configure Tiny Tiny RSS."""
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from django.urls import reverse_lazy
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from django.utils.translation import gettext_lazy as _
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from plinth import app as app_module
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from plinth import cfg, frontpage, menu
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from plinth.daemon import Daemon
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from plinth.modules.apache.components import Webserver
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from plinth.modules.backups.components import BackupRestore
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from plinth.modules.firewall.components import Firewall
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from plinth.modules.users.components import UsersAndGroups
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from plinth.package import Packages, install
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from plinth.utils import Version, format_lazy
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from . import manifest, privileged
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_description = [
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_('Tiny Tiny RSS is a news feed (RSS/Atom) reader and aggregator, '
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'designed to allow reading news from any location, while feeling as '
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'close to a real desktop application as possible.'),
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format_lazy(
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_('When enabled, Tiny Tiny RSS can be accessed by '
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'<a href="{users_url}">any user</a> belonging to the '
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'feed-reader group.'), box_name=_(cfg.box_name),
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users_url=reverse_lazy('users:index')),
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format_lazy(
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_('When using a mobile or desktop application for Tiny Tiny RSS, use '
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'the URL <a href="/tt-rss-app/">/tt-rss-app</a> for connecting.'))
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]
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class TTRSSApp(app_module.App):
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"""FreedomBox app for TT-RSS."""
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app_id = 'ttrss'
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_version = 4
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def __init__(self):
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"""Create components for the app."""
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super().__init__()
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groups = {'feed-reader': _('Read and subscribe to news feeds')}
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info = app_module.Info(app_id=self.app_id, version=self._version,
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name=_('Tiny Tiny RSS'), icon_filename='ttrss',
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short_description=_('News Feed Reader'),
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description=_description,
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manual_page='TinyTinyRSS',
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clients=manifest.clients,
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donation_url='https://www.patreon.com/cthulhoo')
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self.add(info)
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menu_item = menu.Menu('menu-ttrss', info.name, info.short_description,
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info.icon_filename, 'ttrss:index',
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parent_url_name='apps')
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self.add(menu_item)
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shortcut = frontpage.Shortcut('shortcut-ttrss', info.name,
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short_description=info.short_description,
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icon=info.icon_filename, url='/tt-rss',
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clients=info.clients,
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login_required=True,
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allowed_groups=list(groups))
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self.add(shortcut)
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packages = Packages('packages-ttrss', [
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'tt-rss', 'postgresql', 'dbconfig-pgsql', 'php-pgsql',
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'python3-psycopg2'
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])
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self.add(packages)
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firewall = Firewall('firewall-ttrss', info.name,
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ports=['http', 'https'], is_external=True)
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self.add(firewall)
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webserver = Webserver('webserver-ttrss', 'tt-rss-plinth',
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urls=['https://{host}/tt-rss'])
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self.add(webserver)
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daemon = Daemon('daemon-ttrss', 'tt-rss')
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self.add(daemon)
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users_and_groups = UsersAndGroups('users-and-groups-ttrss',
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groups=groups)
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self.add(users_and_groups)
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backup_restore = TTRSSBackupRestore('backup-restore-ttrss',
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**manifest.backup)
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self.add(backup_restore)
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def enable(self):
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"""Enable components and API access."""
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super().enable()
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privileged.enable_api_access()
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# Try to set the domain to one of the available TLS domains
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domain = privileged.get_domain()
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if not domain or domain == 'localhost':
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from plinth.modules import names
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domain = next(names.get_available_tls_domains(), None)
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privileged.set_domain(domain)
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def setup(self, old_version):
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"""Install and configure the app."""
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privileged.pre_setup()
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super().setup(old_version)
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privileged.setup()
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self.enable()
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def force_upgrade(self, packages):
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"""Force update package to resolve conffile prompts."""
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if 'tt-rss' not in packages:
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return False
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# Allow tt-rss any lower version to upgrade to 21.*
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package = packages['tt-rss']
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if Version(package['new_version']) > Version('22~'):
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return False
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install(['tt-rss'], force_configuration='new')
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privileged.setup()
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return True
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class TTRSSBackupRestore(BackupRestore):
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"""Component to backup/restore TT-RSS."""
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def backup_pre(self, packet):
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"""Save database contents."""
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super().backup_pre(packet)
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privileged.dump_database()
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def restore_post(self, packet):
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"""Restore database contents."""
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super().restore_post(packet)
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privileged.restore_database()
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