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https://github.com/mail-in-a-box/mailinabox.git
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96 lines
3.6 KiB
Python
96 lines
3.6 KiB
Python
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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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import os, os.path
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from mailconfig import get_mail_domains
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from utils import shell, safe_domain_name
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def get_web_domains(env):
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# What domains should we serve HTTP/HTTPS for?
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domains = set()
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# Add all domain names in use by email users and mail aliases.
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domains |= get_mail_domains(env)
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# Ensure the PUBLIC_HOSTNAME is in the list.
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domains.add(env['PUBLIC_HOSTNAME'])
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# Sort the list. Put PUBLIC_HOSTNAME first so it becomes the
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# default server (nginx's default_server).
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domains = sorted(domains, key = lambda domain : (domain != env["PUBLIC_HOSTNAME"], list(reversed(domain.split(".")))) )
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return domains
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def do_web_update(env):
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# Build an nginx configuration file.
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nginx_conf = ""
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template = open(os.path.join(os.path.dirname(__file__), "../conf/nginx.conf")).read()
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for domain in get_web_domains(env):
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nginx_conf += make_domain_config(domain, template, env)
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# Save the file.
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with open("/etc/nginx/conf.d/local.conf", "w") as f:
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f.write(nginx_conf)
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# Nick nginx.
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shell('check_call', ["/usr/sbin/service", "nginx", "restart"])
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return "OK"
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def make_domain_config(domain, template, env):
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# How will we configure this domain.
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# Where will its root directory be for static files? Try STORAGE_ROOT/web/domain_name
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# if it exists, but fall back to STORAGE_ROOT/web/default.
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for test_domain in (domain, 'default'):
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root = os.path.join(env["STORAGE_ROOT"], "www", safe_domain_name(test_domain))
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if os.path.exists(root): break
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# What SSL private key will we use? Allow the user to override this, but
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# in many cases using the same private key for all domains would be fine.
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# Don't allow the user to override the key for PUBLIC_HOSTNAME because
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# that's what's in the main file.
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ssl_key = os.path.join(env["STORAGE_ROOT"], 'ssl/ssl_private_key.pem')
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alt_key = os.path.join(env["STORAGE_ROOT"], 'ssl/domains/%s_private_key.pem' % safe_domain_name(domain))
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if domain != env['PUBLIC_HOSTNAME'] and os.path.exists(alt_key):
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ssl_key = alt_key
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# What SSL certificate will we use? This has to be differnet for each
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# domain name. The certificate is already generated for PUBLIC_HOSTNAME.
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# For other domains, generate a self-signed certificate if one doesn't
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# already exist. See setup/mail.sh for documentation.
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if domain == env['PUBLIC_HOSTNAME']:
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ssl_certificate = os.path.join(env["STORAGE_ROOT"], 'ssl/ssl_certificate.pem')
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else:
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ssl_certificate = os.path.join(env["STORAGE_ROOT"], 'ssl/domains/%s_certifiate.pem' % safe_domain_name(domain))
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os.makedirs(os.path.dirname(ssl_certificate), exist_ok=True)
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if not os.path.exists(ssl_certificate):
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# Generate a new self-signed certificate using the same private key that we already have.
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# Start with a CSR.
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csr = os.path.join(env["STORAGE_ROOT"], 'ssl/domains/%s_cert_sign_req.csr' % safe_domain_name(domain))
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shell("check_call", [
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"openssl", "req", "-new",
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"-key", ssl_key,
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"-out", csr,
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"-subj", "/C=%s/ST=/L=/O=/CN=%s" % (env["CSR_COUNTRY"], domain)])
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# And then make the certificate.
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shell("check_call", [
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"openssl", "x509", "-req",
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"-days", "365",
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"-in", csr,
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"-signkey", ssl_key,
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"-out", ssl_certificate])
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# Replace substitution strings in the template & return.
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nginx_conf = template
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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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nginx_conf = nginx_conf.replace("$SSL_KEY", ssl_key)
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nginx_conf = nginx_conf.replace("$SSL_CERTIFICATE", ssl_certificate)
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return nginx_conf
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