Fixed UP032 (f-string): Use f-string instead of `format` call
This commit is contained in:
Teal Dulcet
Joshua Tauberer
parent
3111cf56de
commit
c719fce40a
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@ -754,7 +754,7 @@ def log_failed_login(request):
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# We need to add a timestamp to the log message, otherwise /dev/log will eat the "duplicate"
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# message.
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app.logger.warning( "Mail-in-a-Box Management Daemon: Failed login attempt from ip {} - timestamp {}".format(ip, time.time()))
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app.logger.warning( f"Mail-in-a-Box Management Daemon: Failed login attempt from ip {ip} - timestamp {time.time()}")
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# APP
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@ -615,11 +615,11 @@ def write_nsd_conf(zonefiles, additional_records, env):
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# Append the zones.
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for domain, zonefile in zonefiles:
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nsdconf += """
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nsdconf += f"""
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zone:
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name: {}
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zonefile: {}
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""".format(domain, zonefile)
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name: {domain}
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zonefile: {zonefile}
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"""
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# If custom secondary nameservers have been set, allow zone transfers
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# and, if not a subnet, notifies to them.
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@ -302,7 +302,7 @@ def scan_mail_log(env):
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for date, sender, message in user_data["blocked"]:
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if len(sender) > 64:
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sender = sender[:32] + "…" + sender[-32:]
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user_rejects.extend(('{} - {} '.format(date, sender), ' %s' % message))
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user_rejects.extend((f'{date} - {sender} ', ' %s' % message))
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rejects.append(user_rejects)
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print_user_table(
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@ -588,7 +588,7 @@ def kick(env, mail_result=None):
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and forwards_to == get_system_administrator(env) \
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and not auto:
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remove_mail_alias(address, env, do_kick=False)
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results.append("removed alias {} (was to {}; domain no longer used for email)\n".format(address, forwards_to))
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results.append(f"removed alias {address} (was to {forwards_to}; domain no longer used for email)\n")
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# Update DNS and nginx in case any domains are added/removed.
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@ -211,7 +211,7 @@ def get_certificates_to_provision(env, limit_domains=None, show_valid_certs=True
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if not value: continue # IPv6 is not configured
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response = query_dns(domain, rtype)
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if response != normalize_ip(value):
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bad_dns.append("{} ({})".format(response, rtype))
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bad_dns.append(f"{response} ({rtype})")
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if bad_dns:
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domains_cant_provision[domain] = "The domain name does not resolve to this machine: " \
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@ -413,7 +413,7 @@ def create_csr(domain, ssl_key, country_code, env):
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"openssl", "req", "-new",
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"-key", ssl_key,
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"-sha256",
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"-subj", "/C={}/CN={}".format(country_code, domain)])
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"-subj", f"/C={country_code}/CN={domain}"])
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def install_cert(domain, ssl_cert, ssl_chain, env, raw=False):
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# Write the combined cert+chain to a temporary path and validate that it is OK.
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@ -537,7 +537,7 @@ def check_certificate(domain, ssl_certificate, ssl_private_key, warn_if_expiring
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with open(ssl_private_key, 'rb') as f:
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priv_key = load_pem(f.read())
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except ValueError as e:
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return ("The private key file {} is not a private key file: {}".format(ssl_private_key, str(e)), None)
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return (f"The private key file {ssl_private_key} is not a private key file: {str(e)}", None)
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if not isinstance(priv_key, RSAPrivateKey):
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return ("The private key file %s is not a private key file." % ssl_private_key, None)
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@ -565,7 +565,7 @@ def check_certificate(domain, ssl_certificate, ssl_private_key, warn_if_expiring
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import datetime
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now = datetime.datetime.utcnow()
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if not(cert.not_valid_before <= now <= cert.not_valid_after):
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return ("The certificate has expired or is not yet valid. It is valid from {} to {}.".format(cert.not_valid_before, cert.not_valid_after), None)
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return (f"The certificate has expired or is not yet valid. It is valid from {cert.not_valid_before} to {cert.not_valid_after}.", None)
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# Next validate that the certificate is valid. This checks whether the certificate
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# is self-signed, that the chain of trust makes sense, that it is signed by a CA
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@ -464,11 +464,11 @@ def check_primary_hostname_dns(domain, env, output, dns_domains, dns_zonefiles):
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if existing_rdns_v4 == domain and existing_rdns_v6 in {None, domain}:
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output.print_ok("Reverse DNS is set correctly at ISP. [{} ↦ {}]".format(my_ips, env['PRIMARY_HOSTNAME']))
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elif existing_rdns_v4 == existing_rdns_v6 or existing_rdns_v6 is None:
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output.print_error("""Your box's reverse DNS is currently {}, but it should be {}. Your ISP or cloud provider will have instructions
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on setting up reverse DNS for your box.""".format(existing_rdns_v4, domain) )
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output.print_error(f"""Your box's reverse DNS is currently {existing_rdns_v4}, but it should be {domain}. Your ISP or cloud provider will have instructions
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on setting up reverse DNS for your box.""" )
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else:
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output.print_error("""Your box's reverse DNS is currently {} (IPv4) and {} (IPv6), but it should be {}. Your ISP or cloud provider will have instructions
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on setting up reverse DNS for your box.""".format(existing_rdns_v4, existing_rdns_v6, domain) )
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output.print_error(f"""Your box's reverse DNS is currently {existing_rdns_v4} (IPv4) and {existing_rdns_v6} (IPv6), but it should be {domain}. Your ISP or cloud provider will have instructions
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on setting up reverse DNS for your box.""" )
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# Check the TLSA record.
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tlsa_qname = "_25._tcp." + domain
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@ -482,8 +482,8 @@ def check_primary_hostname_dns(domain, env, output, dns_domains, dns_zonefiles):
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# since TLSA shouldn't be used without DNSSEC.
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output.print_warning("""The DANE TLSA record for incoming mail is not set. This is optional.""")
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else:
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output.print_error("""The DANE TLSA record for incoming mail ({}) is not correct. It is '{}' but it should be '{}'.
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It may take several hours for public DNS to update after a change.""".format(tlsa_qname, tlsa25, tlsa25_expected))
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output.print_error(f"""The DANE TLSA record for incoming mail ({tlsa_qname}) is not correct. It is '{tlsa25}' but it should be '{tlsa25_expected}'.
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It may take several hours for public DNS to update after a change.""")
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# Check that the hostmaster@ email address exists.
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check_alias_exists("Hostmaster contact address", "hostmaster@" + domain, env, output)
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@ -492,7 +492,7 @@ def check_alias_exists(alias_name, alias, env, output):
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mail_aliases = {address: receivers for address, receivers, *_ in get_mail_aliases(env)}
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if alias in mail_aliases:
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if mail_aliases[alias]:
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output.print_ok("{} exists as a mail alias. [{} ↦ {}]".format(alias_name, alias, mail_aliases[alias]))
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output.print_ok(f"{alias_name} exists as a mail alias. [{alias} ↦ {mail_aliases[alias]}]")
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else:
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output.print_error("""You must set the destination of the mail alias for %s to direct email to you or another administrator.""" % alias)
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else:
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@ -527,12 +527,12 @@ def check_dns_zone(domain, env, output, dns_zonefiles):
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output.print_ok("Nameservers are set correctly at registrar. [%s]" % correct_ns)
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elif ip == correct_ip:
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# The domain resolves correctly, so maybe the user is using External DNS.
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output.print_warning("""The nameservers set on this domain at your domain name registrar should be {}. They are currently {}.
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If you are using External DNS, this may be OK.""".format(correct_ns, existing_ns) )
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output.print_warning(f"""The nameservers set on this domain at your domain name registrar should be {correct_ns}. They are currently {existing_ns}.
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If you are using External DNS, this may be OK.""" )
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probably_external_dns = True
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else:
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output.print_error("""The nameservers set on this domain are incorrect. They are currently {}. Use your domain name registrar's
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control panel to set the nameservers to {}.""".format(existing_ns, correct_ns) )
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output.print_error(f"""The nameservers set on this domain are incorrect. They are currently {existing_ns}. Use your domain name registrar's
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control panel to set the nameservers to {correct_ns}.""" )
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# Check that each custom secondary nameserver resolves the IP address.
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@ -553,7 +553,7 @@ def check_dns_zone(domain, env, output, dns_zonefiles):
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elif ip is None:
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output.print_error("Secondary nameserver %s is not configured to resolve this domain." % ns)
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else:
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output.print_error("Secondary nameserver {} is not configured correctly. (It resolved this domain as {}. It should be {}.)".format(ns, ip, correct_ip))
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output.print_error(f"Secondary nameserver {ns} is not configured correctly. (It resolved this domain as {ip}. It should be {correct_ip}.)")
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def check_dns_zone_suggestions(domain, env, output, dns_zonefiles, domains_with_a_records):
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# Warn if a custom DNS record is preventing this or the automatic www redirect from
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@ -693,7 +693,7 @@ def check_mail_domain(domain, env, output):
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# the primary hostname's A record (the MX fallback) is... itself,
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# which is what we want the MX to be.
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if domain == env['PRIMARY_HOSTNAME']:
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output.print_ok("Domain's email is directed to this domain. [{} has no MX record, which is ok]".format(domain))
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output.print_ok(f"Domain's email is directed to this domain. [{domain} has no MX record, which is ok]")
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# And a missing MX record is okay on other domains if the A record
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# matches the A record of the PRIMARY_HOSTNAME. Actually this will
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@ -702,16 +702,16 @@ def check_mail_domain(domain, env, output):
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domain_a = query_dns(domain, "A", nxdomain=None)
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primary_a = query_dns(env['PRIMARY_HOSTNAME'], "A", nxdomain=None)
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if domain_a is not None and domain_a == primary_a:
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output.print_ok("Domain's email is directed to this domain. [{} has no MX record but its A record is OK]".format(domain))
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output.print_ok(f"Domain's email is directed to this domain. [{domain} has no MX record but its A record is OK]")
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else:
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output.print_error("""This domain's DNS MX record is not set. It should be '{}'. Mail will not
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output.print_error(f"""This domain's DNS MX record is not set. It should be '{recommended_mx}'. Mail will not
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be delivered to this box. It may take several hours for public DNS to update after a
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change. This problem may result from other issues listed here.""".format(recommended_mx))
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change. This problem may result from other issues listed here.""")
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elif mxhost == env['PRIMARY_HOSTNAME']:
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good_news = "Domain's email is directed to this domain. [{} ↦ {}]".format(domain, mx)
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good_news = f"Domain's email is directed to this domain. [{domain} ↦ {mx}]"
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if mx != recommended_mx:
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good_news += " This configuration is non-standard. The recommended configuration is '{}'.".format(recommended_mx)
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good_news += f" This configuration is non-standard. The recommended configuration is '{recommended_mx}'."
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output.print_ok(good_news)
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# Check MTA-STS policy.
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@ -727,9 +727,9 @@ def check_mail_domain(domain, env, output):
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output.print_error(f"MTA-STS policy is missing: {valid}")
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else:
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output.print_error("""This domain's DNS MX record is incorrect. It is currently set to '{}' but should be '{}'. Mail will not
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output.print_error(f"""This domain's DNS MX record is incorrect. It is currently set to '{mx}' but should be '{recommended_mx}'. Mail will not
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be delivered to this box. It may take several hours for public DNS to update after a change. This problem may result from
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other issues listed here.""".format(mx, recommended_mx))
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other issues listed here.""")
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# Check that the postmaster@ email address exists. Not required if the domain has a
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# catch-all address or domain alias.
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@ -747,9 +747,9 @@ def check_mail_domain(domain, env, output):
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elif dbl == "[Not Set]":
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output.print_warning(f"Could not connect to dbl.spamhaus.org. We could not determine whether the domain {domain} is blacklisted. Please try again later.")
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else:
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output.print_error("""This domain is listed in the Spamhaus Domain Block List (code {}),
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output.print_error(f"""This domain is listed in the Spamhaus Domain Block List (code {dbl}),
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which may prevent recipients from receiving your mail.
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See http://www.spamhaus.org/dbl/ and http://www.spamhaus.org/query/domain/{}.""".format(dbl, domain))
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See http://www.spamhaus.org/dbl/ and http://www.spamhaus.org/query/domain/{domain}.""")
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def check_web_domain(domain, rounded_time, ssl_certificates, env, output):
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# See if the domain's A record resolves to our PUBLIC_IP. This is already checked
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@ -763,9 +763,9 @@ def check_web_domain(domain, rounded_time, ssl_certificates, env, output):
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if value == normalize_ip(expected):
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ok_values.append(value)
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else:
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output.print_error("""This domain should resolve to your box's IP address ({} {}) if you would like the box to serve
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webmail or a website on this domain. The domain currently resolves to {} in public DNS. It may take several hours for
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public DNS to update after a change. This problem may result from other issues listed here.""".format(rtype, expected, value))
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output.print_error(f"""This domain should resolve to your box's IP address ({rtype} {expected}) if you would like the box to serve
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webmail or a website on this domain. The domain currently resolves to {value} in public DNS. It may take several hours for
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public DNS to update after a change. This problem may result from other issues listed here.""")
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return
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# If both A and AAAA are correct...
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@ -937,7 +937,7 @@ def check_miab_version(env, output):
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elif latest_ver is None:
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output.print_error("Latest Mail-in-a-Box version could not be determined. You are running version %s." % this_ver)
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else:
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output.print_error("A new version of Mail-in-a-Box is available. You are running version {}. The latest version is {}. For upgrade instructions, see https://mailinabox.email. ".format(this_ver, latest_ver))
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output.print_error(f"A new version of Mail-in-a-Box is available. You are running version {this_ver}. The latest version is {latest_ver}. For upgrade instructions, see https://mailinabox.email. ")
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def run_and_output_changes(env, pool):
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import json
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@ -22,7 +22,7 @@ def load_env_vars_from_file(fn):
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def save_environment(env):
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with open("/etc/mailinabox.conf", "w") as f:
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for k, v in env.items():
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f.write("{}={}\n".format(k, v))
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f.write(f"{k}={v}\n")
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# THE SETTINGS FILE AT STORAGE_ROOT/settings.yaml.
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@ -195,7 +195,7 @@ def make_domain_config(domain, templates, ssl_certificates, env):
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nginx_conf_extra += "\n\t\talias %s;" % alias
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nginx_conf_extra += "\n\t}\n"
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for path, url in yaml.get("redirects", {}).items():
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nginx_conf_extra += "\trewrite {} {} permanent;\n".format(path, url)
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nginx_conf_extra += f"\trewrite {path} {url} permanent;\n"
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# override the HSTS directive type
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hsts = yaml.get("hsts", hsts)
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@ -222,7 +222,7 @@ def run_migrations():
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if migration_id is None:
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print()
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print("{} file doesn't exists. Skipping migration...".format(migration_id_file))
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print(f"{migration_id_file} file doesn't exists. Skipping migration...")
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return
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ourver = int(migration_id)
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@ -152,7 +152,7 @@ def restart_fail2ban_service(final=False):
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if not final:
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# Stop recidive jails during testing.
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command += " && sudo fail2ban-client stop recidive"
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os.system('{} "{}"'.format(ssh_command, command))
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os.system(f'{ssh_command} "{command}"')
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def testfunc_runner(i, testfunc, *args):
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print(i+1, end=" ", flush=True)
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@ -98,7 +98,7 @@ else:
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# And if that's OK, also check reverse DNS (the PTR record).
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if not test_ptr("8.8.8.8", "Google Public DNS (Reverse DNS)"):
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print ()
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print ("The reverse DNS for {} is not correct. Consult your ISP for how to set the reverse DNS (also called the PTR record) for {} to {}.".format(hostname, hostname, ipaddr))
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print (f"The reverse DNS for {hostname} is not correct. Consult your ISP for how to set the reverse DNS (also called the PTR record) for {hostname} to {ipaddr}.")
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sys.exit(1)
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else:
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print ("And the reverse DNS for the domain is correct.")
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@ -6,11 +6,11 @@ if len(sys.argv) < 3:
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sys.exit(1)
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host, toaddr, fromaddr = sys.argv[1:4]
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msg = """From: {}
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To: {}
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msg = f"""From: {fromaddr}
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To: {toaddr}
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Subject: SMTP server test
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This is a test message.""".format(fromaddr, toaddr)
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This is a test message."""
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server = smtplib.SMTP(host, 25)
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server.set_debuglevel(1)
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