2014-06-20 01:16:38 +00:00
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# Creates an nginx configuration file so we serve HTTP/HTTPS on all
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# domains for which a mail account has been set up.
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########################################################################
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2015-11-29 13:59:22 +00:00
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import os.path, re, rtyaml
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2014-06-20 01:16:38 +00:00
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from mailconfig import get_mail_domains
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2015-11-29 13:59:22 +00:00
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from dns_update import get_custom_dns_config, get_dns_zones
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from ssl_certificates import get_ssl_certificates, get_domain_ssl_files, check_certificate
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2014-06-22 15:34:36 +00:00
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from utils import shell, safe_domain_name, sort_domains
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2014-06-20 01:16:38 +00:00
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2021-05-09 12:16:07 +00:00
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def get_web_domains(env, include_www_redirects=True, include_auto=True, exclude_dns_elsewhere=True):
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2015-11-29 14:43:12 +00:00
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# What domains should we serve HTTP(S) for?
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2014-06-20 01:16:38 +00:00
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domains = set()
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2015-11-29 14:43:12 +00:00
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# Serve web for all mail domains so that we might at least
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2015-02-17 00:08:04 +00:00
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# provide auto-discover of email settings, and also a static website
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2015-11-29 14:43:12 +00:00
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# if the user wants to make one.
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domains |= get_mail_domains(env)
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2021-05-09 12:16:07 +00:00
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if include_www_redirects and include_auto:
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2015-11-29 14:43:12 +00:00
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# Add 'www.' subdomains that we want to provide default redirects
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# to the main domain for. We'll add 'www.' to any DNS zones, i.e.
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# the topmost of each domain we serve.
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domains |= set('www.' + zone for zone, zonefile in get_dns_zones(env))
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2021-05-09 12:16:07 +00:00
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if include_auto:
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# Add Autoconfiguration domains for domains that there are user accounts at:
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# 'autoconfig.' for Mozilla Thunderbird auto setup.
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2021-05-09 12:59:44 +00:00
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# 'autodiscover.' for ActiveSync autodiscovery (Z-Push).
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2021-05-09 12:16:07 +00:00
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domains |= set('autoconfig.' + maildomain for maildomain in get_mail_domains(env, users_only=True))
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domains |= set('autodiscover.' + maildomain for maildomain in get_mail_domains(env, users_only=True))
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2019-05-09 17:13:24 +00:00
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2021-05-09 12:16:07 +00:00
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# 'mta-sts.' for MTA-STS support for all domains that have email addresses.
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domains |= set('mta-sts.' + maildomain for maildomain in get_mail_domains(env))
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2020-05-29 19:30:07 +00:00
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2019-09-10 11:10:58 +00:00
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if exclude_dns_elsewhere:
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# ...Unless the domain has an A/AAAA record that maps it to a different
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# IP address than this box. Remove those domains from our list.
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domains -= get_domains_with_a_records(env)
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2015-11-29 14:43:12 +00:00
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# Ensure the PRIMARY_HOSTNAME is in the list so we can serve webmail
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# as well as Z-Push for Exchange ActiveSync. This can't be removed
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# by a custom A/AAAA record and is never a 'www.' redirect.
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domains.add(env['PRIMARY_HOSTNAME'])
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2014-06-20 01:16:38 +00:00
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2015-06-04 11:45:08 +00:00
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# Sort the list so the nginx conf gets written in a stable order.
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2014-06-22 15:34:36 +00:00
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domains = sort_domains(domains, env)
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2014-06-20 01:16:38 +00:00
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return domains
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2015-06-04 11:38:48 +00:00
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def get_domains_with_a_records(env):
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domains = set()
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dns = get_custom_dns_config(env)
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for domain, rtype, value in dns:
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2015-09-05 20:06:30 +00:00
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if rtype == "CNAME" or (rtype in ("A", "AAAA") and value not in ("local", env['PUBLIC_IP'])):
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2015-06-04 11:38:48 +00:00
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domains.add(domain)
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return domains
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2015-06-04 12:32:00 +00:00
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def get_web_domains_with_root_overrides(env):
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# Load custom settings so we can tell what domains have a redirect or proxy set up on '/',
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# which means static hosting is not happening.
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root_overrides = { }
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nginx_conf_custom_fn = os.path.join(env["STORAGE_ROOT"], "www/custom.yaml")
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if os.path.exists(nginx_conf_custom_fn):
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2023-01-15 13:28:43 +00:00
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with open(nginx_conf_custom_fn, 'r') as f:
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custom_settings = rtyaml.load(f)
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2015-06-04 12:32:00 +00:00
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for domain, settings in custom_settings.items():
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for type, value in [('redirect', settings.get('redirects', {}).get('/')),
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('proxy', settings.get('proxies', {}).get('/'))]:
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if value:
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root_overrides[domain] = (type, value)
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return root_overrides
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2015-05-28 18:45:35 +00:00
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def do_web_update(env):
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2015-09-18 13:03:07 +00:00
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# Pre-load what SSL certificates we will use for each domain.
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ssl_certificates = get_ssl_certificates(env)
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2023-01-15 13:28:43 +00:00
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# Helper for reading config files and templates
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def read_conf(conf_fn):
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with open(os.path.join(os.path.dirname(__file__), "../conf", conf_fn), "r") as f:
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return f.read()
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2014-06-20 01:16:38 +00:00
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# Build an nginx configuration file.
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2023-08-14 14:03:48 +00:00
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nginx_conf = [("nginx-top", read_conf("nginx-top.conf")), ]
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2014-08-12 11:00:54 +00:00
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2015-06-04 11:45:08 +00:00
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# Load the templates.
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2023-01-15 13:28:43 +00:00
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template0 = read_conf("nginx.conf")
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template1 = read_conf("nginx-alldomains.conf")
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template2 = read_conf("nginx-primaryonly.conf")
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2015-06-17 22:48:15 +00:00
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template3 = "\trewrite ^(.*) https://$REDIRECT_DOMAIN$1 permanent;\n"
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2015-06-04 11:45:08 +00:00
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# Add the PRIMARY_HOST configuration first so it becomes nginx's default server.
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2023-08-14 14:03:48 +00:00
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nginx_conf.append((env['PRIMARY_HOSTNAME'], make_domain_config(env['PRIMARY_HOSTNAME'], [template0, template1, template2], ssl_certificates, env)))
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2015-06-04 11:45:08 +00:00
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# Add configuration all other web domains.
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2015-06-04 12:32:00 +00:00
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has_root_proxy_or_redirect = get_web_domains_with_root_overrides(env)
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2015-11-29 14:43:12 +00:00
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web_domains_not_redirect = get_web_domains(env, include_www_redirects=False)
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2014-06-20 01:16:38 +00:00
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for domain in get_web_domains(env):
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2015-11-29 14:43:12 +00:00
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if domain == env['PRIMARY_HOSTNAME']:
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# PRIMARY_HOSTNAME is handled above.
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continue
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if domain in web_domains_not_redirect:
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# This is a regular domain.
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if domain not in has_root_proxy_or_redirect:
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2023-08-14 14:03:48 +00:00
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nginx_conf.append((domain, make_domain_config(domain, [template0, template1], ssl_certificates, env)))
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2015-11-29 14:43:12 +00:00
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else:
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2023-08-14 14:03:48 +00:00
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nginx_conf.append((domain, make_domain_config(domain, [template0], ssl_certificates, env)))
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2015-06-04 12:32:00 +00:00
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else:
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2015-11-29 14:43:12 +00:00
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# Add default 'www.' redirect.
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2023-08-14 14:03:48 +00:00
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nginx_conf.append((domain, make_domain_config(domain, [template0, template3], ssl_certificates, env)))
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2023-08-14 14:38:10 +00:00
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# Load the currently enabled sites for nginx.
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2023-08-14 14:40:12 +00:00
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_, sites_enabled = shell('check_output', ["ls", "/etc/nginx/sites-enabled"])
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2023-08-14 14:38:10 +00:00
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warnings = []
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2023-08-14 14:03:48 +00:00
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# Did the files change? If not, don't bother writing & restarting nginx.
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kick = False
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for domain, conf in nginx_conf:
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2023-08-14 14:38:10 +00:00
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if "miab_%s" % domain not in sites_enabled:
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warnings.append("Missing miab_%s in /etc/nginx/sites-enabled/\nCheck your configuration!" % domain)
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nginx_conf_fn = "/etc/nginx/sites-available/miab_%s" % domain
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2023-08-14 14:03:48 +00:00
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if os.path.exists(nginx_conf_fn):
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with open(nginx_conf_fn) as f:
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if f.read() == conf:
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continue
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# Save the file.
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with open(nginx_conf_fn, "w") as f:
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f.write(conf)
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kick = True
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if kick:
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# Kick nginx. Since this might be called from the web admin
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# don't do a 'restart'. That would kill the connection before
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# the API returns its response. A 'reload' should be good
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# enough and doesn't break any open connections.
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shell('check_call', ["/usr/sbin/service", "nginx", "reload"])
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2023-08-14 14:38:10 +00:00
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return "web updated\n" + "\n".join(warnings)
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2023-08-14 14:03:48 +00:00
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2023-08-14 14:38:10 +00:00
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return "" + "\n".join(warnings)
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2014-06-20 01:16:38 +00:00
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2015-09-18 13:03:07 +00:00
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def make_domain_config(domain, templates, ssl_certificates, env):
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2015-06-04 11:45:08 +00:00
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# GET SOME VARIABLES
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2014-06-20 01:16:38 +00:00
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2014-06-23 10:53:09 +00:00
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# Where will its root directory be for static files?
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root = get_web_root(domain, env)
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2014-06-20 01:16:38 +00:00
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2014-06-22 15:34:36 +00:00
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# What private key and SSL certificate will we use for this domain?
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2015-10-10 22:03:55 +00:00
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tls_cert = get_domain_ssl_files(domain, ssl_certificates, env)
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2014-06-22 15:34:36 +00:00
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2015-06-04 11:45:08 +00:00
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# ADDITIONAL DIRECTIVES.
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2014-08-16 12:33:10 +00:00
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2015-06-04 11:45:08 +00:00
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nginx_conf_extra = ""
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2014-07-09 12:31:32 +00:00
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2014-10-10 15:49:14 +00:00
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# Because the certificate may change, we should recognize this so we
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# can trigger an nginx update.
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def hashfile(filepath):
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import hashlib
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sha1 = hashlib.sha1()
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2023-01-15 13:28:43 +00:00
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with open(filepath, 'rb') as f:
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2014-10-10 15:49:14 +00:00
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sha1.update(f.read())
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return sha1.hexdigest()
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2020-09-27 11:13:33 +00:00
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nginx_conf_extra += "\t# ssl files sha1: %s / %s\n" % (hashfile(tls_cert["private-key"]), hashfile(tls_cert["certificate"]))
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2014-10-10 15:49:14 +00:00
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2014-08-24 21:34:15 +00:00
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# Add in any user customizations in YAML format.
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2015-09-08 21:20:13 +00:00
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hsts = "yes"
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2014-07-09 12:31:32 +00:00
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nginx_conf_custom_fn = os.path.join(env["STORAGE_ROOT"], "www/custom.yaml")
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if os.path.exists(nginx_conf_custom_fn):
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2023-01-15 13:28:43 +00:00
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with open(nginx_conf_custom_fn, 'r') as f:
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yaml = rtyaml.load(f)
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2014-07-09 12:31:32 +00:00
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if domain in yaml:
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yaml = yaml[domain]
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2015-09-08 21:20:13 +00:00
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# any proxy or redirect here?
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2014-08-16 17:43:55 +00:00
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for path, url in yaml.get("proxies", {}).items():
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2020-06-07 13:45:04 +00:00
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# Parse some flags in the fragment of the URL.
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pass_http_host_header = False
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2021-05-08 12:25:33 +00:00
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proxy_redirect_off = False
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frame_options_header_sameorigin = False
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2020-06-07 13:45:04 +00:00
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m = re.search("#(.*)$", url)
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if m:
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for flag in m.group(1).split(","):
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if flag == "pass-http-host":
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pass_http_host_header = True
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2021-05-08 12:25:33 +00:00
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elif flag == "no-proxy-redirect":
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proxy_redirect_off = True
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elif flag == "frame-options-sameorigin":
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frame_options_header_sameorigin = True
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2020-06-07 13:45:04 +00:00
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url = re.sub("#(.*)$", "", url)
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2018-02-24 12:54:32 +00:00
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nginx_conf_extra += "\tlocation %s {" % path
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nginx_conf_extra += "\n\t\tproxy_pass %s;" % url
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2021-05-08 12:25:33 +00:00
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if proxy_redirect_off:
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nginx_conf_extra += "\n\t\tproxy_redirect off;"
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2020-06-07 13:45:04 +00:00
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if pass_http_host_header:
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nginx_conf_extra += "\n\t\tproxy_set_header Host $http_host;"
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2021-05-08 12:25:33 +00:00
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if frame_options_header_sameorigin:
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nginx_conf_extra += "\n\t\tproxy_set_header X-Frame-Options SAMEORIGIN;"
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2018-02-24 12:54:32 +00:00
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nginx_conf_extra += "\n\t\tproxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;"
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2020-06-07 13:45:04 +00:00
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nginx_conf_extra += "\n\t\tproxy_set_header X-Forwarded-Host $http_host;"
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nginx_conf_extra += "\n\t\tproxy_set_header X-Forwarded-Proto $scheme;"
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nginx_conf_extra += "\n\t\tproxy_set_header X-Real-IP $remote_addr;"
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2018-02-24 12:54:32 +00:00
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nginx_conf_extra += "\n\t}\n"
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2020-04-11 18:17:46 +00:00
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for path, alias in yaml.get("aliases", {}).items():
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nginx_conf_extra += "\tlocation %s {" % path
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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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2014-12-05 16:57:26 +00:00
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for path, url in yaml.get("redirects", {}).items():
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2015-06-04 11:45:08 +00:00
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nginx_conf_extra += "\trewrite %s %s permanent;\n" % (path, url)
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2014-07-09 12:31:32 +00:00
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2015-09-08 21:20:13 +00:00
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# override the HSTS directive type
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hsts = yaml.get("hsts", hsts)
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# Add the HSTS header.
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if hsts == "yes":
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2020-09-27 11:13:33 +00:00
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nginx_conf_extra += "\tadd_header Strict-Transport-Security \"max-age=15768000\" always;\n"
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2015-09-08 21:20:13 +00:00
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elif hsts == "preload":
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2020-09-27 11:13:33 +00:00
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nginx_conf_extra += "\tadd_header Strict-Transport-Security \"max-age=15768000; includeSubDomains; preload\" always;\n"
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2015-09-08 21:20:13 +00:00
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2014-08-26 16:16:20 +00:00
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# Add in any user customizations in the includes/ folder.
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nginx_conf_custom_include = os.path.join(env["STORAGE_ROOT"], "www", safe_domain_name(domain) + ".conf")
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if os.path.exists(nginx_conf_custom_include):
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2015-06-04 11:45:08 +00:00
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nginx_conf_extra += "\tinclude %s;\n" % (nginx_conf_custom_include)
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# PUT IT ALL TOGETHER
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# Combine the pieces. Iteratively place each template into the "# ADDITIONAL DIRECTIVES HERE" placeholder
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# of the previous template.
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nginx_conf = "# ADDITIONAL DIRECTIVES HERE\n"
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for t in templates + [nginx_conf_extra]:
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nginx_conf = re.sub("[ \t]*# ADDITIONAL DIRECTIVES HERE *\n", t, nginx_conf)
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2014-08-24 21:34:15 +00:00
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2015-06-04 11:45:08 +00:00
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# Replace substitution strings in the template & return.
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nginx_conf = nginx_conf.replace("$STORAGE_ROOT", env['STORAGE_ROOT'])
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nginx_conf = nginx_conf.replace("$HOSTNAME", domain)
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nginx_conf = nginx_conf.replace("$ROOT", root)
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2015-10-10 22:03:55 +00:00
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nginx_conf = nginx_conf.replace("$SSL_KEY", tls_cert["private-key"])
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nginx_conf = nginx_conf.replace("$SSL_CERTIFICATE", tls_cert["certificate"])
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2015-06-04 11:45:08 +00:00
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nginx_conf = nginx_conf.replace("$REDIRECT_DOMAIN", re.sub(r"^www\.", "", domain)) # for default www redirects to parent domain
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2014-07-09 12:31:32 +00:00
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2014-06-22 15:34:36 +00:00
|
|
|
return nginx_conf
|
|
|
|
|
2014-10-07 16:05:38 +00:00
|
|
|
def get_web_root(domain, env, test_exists=True):
|
2014-06-23 10:53:09 +00:00
|
|
|
# Try STORAGE_ROOT/web/domain_name if it exists, but fall back to STORAGE_ROOT/web/default.
|
|
|
|
for test_domain in (domain, 'default'):
|
|
|
|
root = os.path.join(env["STORAGE_ROOT"], "www", safe_domain_name(test_domain))
|
2014-10-07 16:05:38 +00:00
|
|
|
if os.path.exists(root) or not test_exists: break
|
2014-06-23 10:53:09 +00:00
|
|
|
return root
|
|
|
|
|
2014-10-07 16:05:38 +00:00
|
|
|
def get_web_domains_info(env):
|
2015-11-29 14:43:12 +00:00
|
|
|
www_redirects = set(get_web_domains(env)) - set(get_web_domains(env, include_www_redirects=False))
|
|
|
|
has_root_proxy_or_redirect = set(get_web_domains_with_root_overrides(env))
|
2015-10-10 22:03:55 +00:00
|
|
|
ssl_certificates = get_ssl_certificates(env)
|
2015-02-05 13:55:57 +00:00
|
|
|
|
|
|
|
# for the SSL config panel, get cert status
|
2014-10-10 15:49:14 +00:00
|
|
|
def check_cert(domain):
|
2018-05-13 00:02:25 +00:00
|
|
|
try:
|
|
|
|
tls_cert = get_domain_ssl_files(domain, ssl_certificates, env, allow_missing_cert=True)
|
|
|
|
except OSError: # PRIMARY_HOSTNAME cert is missing
|
|
|
|
tls_cert = None
|
|
|
|
if tls_cert is None: return ("danger", "No certificate installed.")
|
2015-10-10 22:03:55 +00:00
|
|
|
cert_status, cert_status_details = check_certificate(domain, tls_cert["certificate"], tls_cert["private-key"])
|
2014-10-10 15:49:14 +00:00
|
|
|
if cert_status == "OK":
|
2015-10-10 22:03:55 +00:00
|
|
|
return ("success", "Signed & valid. " + cert_status_details)
|
2014-10-10 15:49:14 +00:00
|
|
|
elif cert_status == "SELF-SIGNED":
|
|
|
|
return ("warning", "Self-signed. Get a signed certificate to stop warnings.")
|
|
|
|
else:
|
|
|
|
return ("danger", "Certificate has a problem: " + cert_status)
|
|
|
|
|
2014-10-07 16:05:38 +00:00
|
|
|
return [
|
|
|
|
{
|
|
|
|
"domain": domain,
|
|
|
|
"root": get_web_root(domain, env),
|
|
|
|
"custom_root": get_web_root(domain, env, test_exists=False),
|
2014-10-10 15:49:14 +00:00
|
|
|
"ssl_certificate": check_cert(domain),
|
2015-11-29 14:43:12 +00:00
|
|
|
"static_enabled": domain not in (www_redirects | has_root_proxy_or_redirect),
|
2014-10-07 16:05:38 +00:00
|
|
|
}
|
|
|
|
for domain in get_web_domains(env)
|
2016-01-02 22:53:47 +00:00
|
|
|
]
|
2021-05-08 12:25:33 +00:00
|
|
|
|