Added support of mail only configuration

- added checkboxes to disable web and/or dns on alias or user creation
- added ignore lists for domain not being handled on either web or dns
- added API for managing ignore lists

Signed-off-by: Bernard `Guyzmo` Pratz <guyzmo+github@m0g.net>

management/daemon.py

@@ -155,7 +155,12 @@ def mail_users():
 @authorized_personnel_only
 def mail_users_add():
 	try:
-		return add_mail_user(request.form.get('email', ''), request.form.get('password', ''), request.form.get('privileges', ''), env)
+		return add_mail_user(request.form.get('email', ''),
+                       request.form.get('password', ''),
+                       request.form.get('privileges', ''),
+                       env,
+                       dns_enabled=request.form.get('dns_enabled', False),
+                       web_enabled=request.form.get('web_enabled', False))
 	except ValueError as e:
 		return (str(e), 400)
 
@@ -207,7 +212,9 @@ def mail_aliases_add():
 		request.form.get('forwards_to', ''),
 		request.form.get('permitted_senders', ''),
 		env,
-		update_if_exists=(request.form.get('update_if_exists', '') == '1')
+		update_if_exists=(request.form.get('update_if_exists', '') == '1'),
+		dns_enabled=request.form.get('dns_enabled', False),
+		web_enabled=request.form.get('web_enabled', False)
 		)
 
 @app.route('/mail/aliases/remove', methods=['POST'])

management/dns_update.py

@@ -15,8 +15,7 @@ from utils import shell, load_env_vars_from_file, safe_domain_name, sort_domains
 def get_dns_domains(env):
 	# Add all domain names in use by email users and mail aliases and ensure
 	# PRIMARY_HOSTNAME is in the list.
-	domains = set()
+	domains = get_mail_domains(env, filter_list='dns')
-	domains |= get_mail_domains(env)
 	domains.add(env['PRIMARY_HOSTNAME'])
 	return domains
 

management/mailconfig.py

@@ -3,8 +3,35 @@
 import subprocess, shutil, os, sqlite3, re
 import utils
 from email_validator import validate_email as validate_email_, EmailNotValidError
+import rtyaml
 import idna
 
+def load_domain_blacklist(env, service):
+	try:
+		return set(rtyaml.load(open(os.path.join(env['STORAGE_ROOT'], '{}/ignored.yaml'.format(service)))))
+	except:
+		return set()
+
+def add_domain_blacklist(env, domain, service):
+		try:
+			ignored = set(rtyaml.load(open(os.path.join(env['STORAGE_ROOT'], '{}/ignored.yaml'.format(service)))))
+			ignored.add(domain)
+		except Exception as err:
+			# if non-existent or baldy formatted, consider it new
+			ignored = {domain}
+		with open(os.path.join(env['STORAGE_ROOT'], '{}/ignored.yaml'.format(service)), "w") as f:
+			f.write(rtyaml.dump(list(ignored)))
+
+def remove_domain_blacklist(env, domain, service):
+	try:
+		ignored = set(rtyaml.load(open(os.path.join(env['STORAGE_ROOT'], '{}/ignored.yaml'.format(service)))))
+		if domain in ignored:
+			ignored.remove(domain)
+		with open(os.path.join(env['STORAGE_ROOT'], '{}/ignored.yaml'.format(service)), "w") as f:
+			f.write(rtyaml.dump(list(ignored)))
+	except Exception as err:
+		pass
+
 def validate_email(email, mode=None):
 	# Checks that an email address is syntactically valid. Returns True/False.
 	# Until Postfix supports SMTPUTF8, an email address may contain ASCII
@@ -253,15 +280,20 @@ def get_domain(emailaddr, as_unicode=True):
 			pass
 	return ret
 
-def get_mail_domains(env, filter_aliases=lambda alias : True):
+def get_mail_domains(env, filter_aliases=lambda alias : True, filter_list=None):
+	ignored = set()
+	if filter_list == 'dns':
+		ignored |= load_domain_blacklist(env, 'dns')
+	if filter_list in ('web', 'www'):
+		ignored |= load_domain_blacklist(env, 'www')
 	# Returns the domain names (IDNA-encoded) of all of the email addresses
 	# configured on the system.
 	return set(
 		   [get_domain(login, as_unicode=False) for login in get_mail_users(env)]
 		 + [get_domain(address, as_unicode=False) for address, *_ in get_mail_aliases(env) if filter_aliases(address) ]
-		 )
+		 ) - ignored
 
-def add_mail_user(email, pw, privs, env):
+def add_mail_user(email, pw, privs, env, dns_enabled=True, web_enabled=True):
 	# validate email
 	if email.strip() == "":
 		return ("No email address provided.", 400)
@@ -303,6 +335,14 @@ def add_mail_user(email, pw, privs, env):
 	# write databasebefore next step
 	conn.commit()
 
+	# Add non dns enabled domain to the ignored domain list
+	if dns_enabled == 'false':
+		add_domain_blacklist(env, get_domain(email), 'dns')
+
+	# Add non web enabled domain to the ignored domain list
+	if web_enabled == 'false':
+		add_domain_blacklist(env, get_domain(email), 'www')
+
 	# Update things in case any new domains are added.
 	return kick(env, "mail user added")
 
@@ -347,6 +387,9 @@ def remove_mail_user(email, env):
 		return ("That's not a user (%s)." % email, 400)
 	conn.commit()
 
+	remove_domain_blacklist(env, get_domain(address), 'dns')
+	remove_domain_blacklist(env, get_domain(address), 'www')
+
 	# Update things in case any domains are removed.
 	return kick(env, "mail user removed")
 
@@ -395,7 +438,7 @@ def add_remove_mail_user_privilege(email, priv, action, env):
 
 	return "OK"
 
-def add_mail_alias(address, forwards_to, permitted_senders, env, update_if_exists=False, do_kick=True):
+def add_mail_alias(address, forwards_to, permitted_senders, env, update_if_exists=False, dns_enabled=True, web_enabled=True, do_kick=True):
 	# convert Unicode domain to IDNA
 	address = sanitize_idn_email_address(address)
 
@@ -484,6 +527,14 @@ def add_mail_alias(address, forwards_to, permitted_senders, env, update_if_exist
 
 	conn.commit()
 
+	# Add non dns enabled domain to the ignored domain list
+	if dns_enabled == 'false':
+		add_domain_blacklist(env, get_domain(address), 'dns')
+
+	# Add non web enabled domain to the ignored domain list
+	if web_enabled == 'false':
+		add_domain_blacklist(env, get_domain(address), 'www')
+
 	if do_kick:
 		# Update things in case any new domains are added.
 		return kick(env, return_status)
@@ -499,6 +550,9 @@ def remove_mail_alias(address, env, do_kick=True):
 		return ("That's not an alias (%s)." % address, 400)
 	conn.commit()
 
+	remove_domain_blacklist(env, get_domain(address), 'dns')
+	remove_domain_blacklist(env, get_domain(address), 'www')
+
 	if do_kick:
 		# Update things in case any domains are removed.
 		return kick(env, "alias removed")

management/templates/aliases.html

@@ -64,6 +64,23 @@
       </div>
     </div>
   </div>
+  <div class="form-group">
+    <label for="addaliasDnsHandling" class="col-sm-1 control-label">New domain</label>
+    <div class="col-sm-10">
+      <div class="checkbox">
+        <label>
+          <input id="addaliasDnsHandling" name="addaliasDnsHandling" type="checkbox" checked>
+          If the email is of a non-managed domain, create DNS configuration for the domain.
+        </label>
+      </div>
+      <div class="checkbox">
+        <label>
+          <input id="addaliasWebHandling" name="addaliasWebHandling" type="checkbox" id="addaliasWebHandling" checked>
+          If the email is of a non-managed domain, create Web configuration for the domain.
+        </label>
+      </div>
+    </div>
+  </div>
   <div class="form-group">
     <div class="col-sm-offset-1 col-sm-11">
       <button id="add-alias-button" type="submit" class="btn btn-primary">Add Alias</button>
@@ -174,6 +191,8 @@ function do_add_alias() {
   var form_address = $("#addaliasAddress").val();
   var form_forwardsto = $("#addaliasForwardsTo").val();
   var form_senders = ($('#addaliasForwardsToAdvanced').prop('checked') ? $("#addaliasSenders").val() : '');
+  var form_dns = $('#addaliasDnsHandling').prop('checked');
+  var form_web = $('#addaliasWebHandling').prop('checked');
   if ($('#addaliasForwardsToAdvanced').prop('checked') && !/\S/.exec($("#addaliasSenders").val())) {
     show_modal_error(title, "You did not enter any permitted senders.");
     return false;
@@ -185,7 +204,9 @@ function do_add_alias() {
       update_if_exists: is_alias_add_update ? '1' : '0',
       address: form_address,
       forwards_to: form_forwardsto,
-      permitted_senders: form_senders
+      permitted_senders: form_senders,
+      dns_enabled: form_dns,
+      web_enabled: form_web
     },
     function(r) {
       // Responses are multiple lines of pre-formatted text.
@@ -204,6 +225,8 @@ function aliases_reset_form() {
   $("#addaliasAddress").val('')
   $("#addaliasForwardsTo").val('')
   $("#addaliasSenders").val('')
+  $('#addaliasDnsHandling').prop('disabled', false);
+  $('#addaliasWebHandling').prop('disabled', false);
   $('#alias-cancel').addClass('hidden');
   $('#add-alias-button').text('Add Alias');
   is_alias_add_update = false;
@@ -232,6 +255,8 @@ function aliases_edit(elem) {
   $('#addaliasForwardsToAdvanced').prop('checked', senders != "");
   $('#addaliasForwardsToNotAdvanced').prop('checked', senders == "");
   $("#addaliasSenders").val(senders);
+  $('#addaliasDnsHandling').prop('disabled', true);
+  $('#addaliasWebHandling').prop('disabled', true);
   $('#add-alias-button').text('Update');
   $('body').animate({ scrollTop: 0 })
   is_alias_add_update = true;

management/templates/users.html

@@ -28,6 +28,23 @@
       <option value="admin">Administrator</option>
     </select>
   </div>
+  <div class="form-group">
+    <label for="adduserDnsHandling" class="col-sm-1 control-label">New domain</label>
+    <div class="col-sm-10">
+      <div class="checkbox">
+        <label>
+          <input id="adduserDnsHandling" name="adduserDnsHandling" type="checkbox" checked>
+          If the email is of a non-managed domain, create DNS configuration for the domain.
+        </label>
+      </div>
+      <div class="checkbox">
+        <label>
+          <input id="adduserWebHandling" name="adduserWebHandling" type="checkbox" id="adduserWebHandling" checked>
+          If the email is of a non-managed domain, create Web configuration for the domain.
+        </label>
+      </div>
+    </div>
+  </div>
   <button type="submit" class="btn btn-primary">Add User</button>
 </form>
 <ul style="margin-top: 1em; padding-left: 1.5em; font-size: 90%;">
@@ -143,13 +160,17 @@ function do_add_user() {
   var email = $("#adduserEmail").val();
   var pw = $("#adduserPassword").val();
   var privs = $("#adduserPrivs").val();
+  var form_dns = $('#adduserDnsHandling').prop('checked');
+  var form_web = $('#adduserWebHandling').prop('checked');
   api(
     "/mail/users/add",
     "POST",
     {
       email: email,
       password: pw,
-      privileges: privs
+      privileges: privs,
+      dns_enabled: form_dns,
+      web_enabled: form_web
     },
     function(r) {
       // Responses are multiple lines of pre-formatted text.

management/web_update.py

@@ -16,7 +16,7 @@ def get_web_domains(env, include_www_redirects=True, exclude_dns_elsewhere=True)
 	# Serve web for all mail domains so that we might at least
 	# provide auto-discover of email settings, and also a static website
 	# if the user wants to make one.
-	domains |= get_mail_domains(env)
+	domains |= get_mail_domains(env, filter_list='www')
 
 	if include_www_redirects:
 		# Add 'www.' subdomains that we want to provide default redirects