148 lines
5.6 KiB
Python
148 lines
5.6 KiB
Python
"""Dovecot related tools."""
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import glob
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import os
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import pwd
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import shutil
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from .. import database
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from .. import package
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from .. import system
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from .. import utils
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from . import base
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class Dovecot(base.Installer):
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"""Dovecot installer."""
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appname = "dovecot"
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packages = {
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"deb": [
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"dovecot-imapd", "dovecot-lmtpd", "dovecot-managesieved",
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"dovecot-sieve"],
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"rpm": [
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"dovecot", "dovecot-pigeonhole"]
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}
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config_files = [
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"dovecot.conf", "dovecot-dict-sql.conf.ext", "conf.d/10-ssl.conf",
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"conf.d/10-master.conf", "conf.d/20-lmtp.conf"]
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with_user = True
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def get_config_files(self):
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"""Additional config files."""
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return self.config_files + [
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"dovecot-sql-{}.conf.ext=dovecot-sql.conf.ext"
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.format(self.dbengine),
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"dovecot-sql-master-{}.conf.ext=dovecot-sql-master.conf.ext"
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.format(self.dbengine),
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"postlogin-{}.sh=/usr/local/bin/postlogin.sh"
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.format(self.dbengine),
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]
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def get_packages(self):
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"""Additional packages."""
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packages = ["dovecot-{}".format(self.db_driver)]
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if package.backend.FORMAT == "deb":
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if "pop3" in self.config.get("dovecot", "extra_protocols"):
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packages += ["dovecot-pop3d"]
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return super(Dovecot, self).get_packages() + packages
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def install_packages(self):
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"""Preconfigure Dovecot if needed."""
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package.backend.preconfigure(
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"dovecot-core", "create-ssl-cert", "boolean", "false")
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super(Dovecot, self).install_packages()
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def get_template_context(self):
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"""Additional variables."""
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context = super(Dovecot, self).get_template_context()
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pw = pwd.getpwnam(self.user)
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ssl_protocols = "!SSLv2 !SSLv3"
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if package.backend.get_installed_version("openssl").startswith("1.1"):
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ssl_protocols = "!SSLv3"
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if "centos" in utils.dist_name():
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protocols = "protocols = imap lmtp sieve"
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extra_protocols = self.config.get("dovecot", "extra_protocols")
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if extra_protocols:
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protocols += " {}".format(extra_protocols)
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else:
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# Protocols are automatically guessed on debian/ubuntu
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protocols = ""
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context.update({
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"db_driver": self.db_driver,
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"mailboxes_owner_uid": pw[2],
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"mailboxes_owner_gid": pw[3],
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"modoboa_user": self.config.get("modoboa", "user"),
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"modoboa_dbname": self.config.get("modoboa", "dbname"),
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"modoboa_dbuser": self.config.get("modoboa", "dbuser"),
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"modoboa_dbpassword": self.config.get("modoboa", "dbpassword"),
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"protocols": protocols,
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"ssl_protocols": ssl_protocols,
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"radicale_user": self.config.get("radicale", "user"),
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"radicale_auth_socket_path": os.path.basename(
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self.config.get("dovecot", "radicale_auth_socket_path"))
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})
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return context
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def post_run(self):
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"""Additional tasks."""
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mail_dir = os.path.join(self.restore, "mails/")
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if self.restore is not None and len(os.listdir(mail_dir)) > 0:
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utils.printcolor(
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"Copying mail backup over dovecot directory.", utils.GREEN)
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if os.path.exists(self.home_dir):
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shutil.rmtree(self.home_dir)
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shutil.copytree(mail_dir, self.home_dir)
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# Resetting permission for vmail
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for dirpath, dirnames, filenames in os.walk(self.home_dir):
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shutil.chown(dirpath, self.user, self.user)
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for filename in filenames:
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shutil.chown(os.path.join(dirpath, filename),
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self.user, self.user)
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elif self.restore is not None:
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utils.printcolor(
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"It seems that mails were not backed up, skipping mail restoration.", utils.MAGENTA)
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if self.dbengine == "postgres":
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dbname = self.config.get("modoboa", "dbname")
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dbuser = self.config.get("modoboa", "dbuser")
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dbpassword = self.config.get("modoboa", "dbpassword")
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backend = database.get_backend(self.config)
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backend.load_sql_file(
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dbname, dbuser, dbpassword,
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self.get_file_path("install_modoboa_postgres_trigger.sql")
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)
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backend.load_sql_file(
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dbname, dbuser, dbpassword,
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self.get_file_path("fix_modoboa_postgres_schema.sql")
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)
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for f in glob.glob("{}/*".format(self.get_file_path("conf.d"))):
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utils.copy_file(f, "{}/conf.d".format(self.config_dir))
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# Make postlogin script executable
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utils.exec_cmd("chmod +x /usr/local/bin/postlogin.sh")
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# Add mailboxes user to dovecot group for modoboa mailbox commands.
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# See https://github.com/modoboa/modoboa/issues/2157.
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system.add_user_to_group(
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self.config.get("dovecot", "mailboxes_owner"),
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'dovecot'
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)
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def restart_daemon(self):
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"""Restart daemon process.
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Note: we don't capture output and manually redirect stdout to
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/dev/null since this command may hang depending on the process
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being restarted (dovecot for example)...
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"""
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code, output = utils.exec_cmd("service dovecot status")
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action = "start" if code else "restart"
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utils.exec_cmd(
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"service {} {} > /dev/null 2>&1".format(self.appname, action),
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capture_output=False)
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system.enable_service(self.get_daemon_name())
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