make a privileges column in the users table and mark the first user as an admin

management/daemon.py

 #!/usr/bin/python3
 
-import os, os.path, re
+import os, os.path, re, json
 
-from flask import Flask, request, render_template, abort
+from flask import Flask, request, render_template, abort, Response
 app = Flask(__name__)
 
 import auth, utils
-from mailconfig import get_mail_users, add_mail_user, set_mail_password, remove_mail_user, get_mail_aliases, get_mail_domains, add_mail_alias, remove_mail_alias
+from mailconfig import get_mail_users, add_mail_user, set_mail_password, remove_mail_user
+from mailconfig import get_mail_user_privileges, add_remove_mail_user_privilege
+from mailconfig import get_mail_aliases, get_mail_domains, add_mail_alias, remove_mail_alias
 
 env = utils.load_environment()
 
@@ -29,7 +31,11 @@ def index():
 
 @app.route('/mail/users')
 def mail_users():
-    return "".join(x+"\n" for x in get_mail_users(env))
+	if request.args.get("format", "") == "json":
+		users = get_mail_users(env, as_json=True)
+		return Response(json.dumps(users), status=200, mimetype='application/json')
+	else:
+		return "".join(x+"\n" for x in get_mail_users(env))
 
 @app.route('/mail/users/add', methods=['POST'])
 def mail_users_add():
@@ -43,6 +49,22 @@ def mail_users_password():
 def mail_users_remove():
 	return remove_mail_user(request.form.get('email', ''), env)
 
+
+@app.route('/mail/users/privileges')
+def mail_user_privs():
+	privs = get_mail_user_privileges(request.args.get('email', ''), env)
+	if isinstance(privs, tuple): return privs # error
+	return "\n".join(privs)
+
+@app.route('/mail/users/privileges/add', methods=['POST'])
+def mail_user_privs_add():
+	return add_remove_mail_user_privilege(request.form.get('email', ''), request.form.get('privilege', ''), "add", env)
+
+@app.route('/mail/users/privileges/remove', methods=['POST'])
+def mail_user_privs_remove():
+	return add_remove_mail_user_privilege(request.form.get('email', ''), request.form.get('privilege', ''), "remove", env)
+
+
 @app.route('/mail/aliases')
 def mail_aliases():
     return "".join(x+"\t"+y+"\n" for x, y in get_mail_aliases(env))

management/mailconfig.py

@@ -46,10 +46,16 @@ def open_database(env, with_connection=False):
 	else:
 		return conn, conn.cursor()
 
-def get_mail_users(env):
+def get_mail_users(env, as_json=False):
 	c = open_database(env)
-	c.execute('SELECT email FROM users')
-	return [row[0] for row in c.fetchall()]
+	c.execute('SELECT email, privileges FROM users')
+	if not as_json:
+		return [row[0] for row in c.fetchall()]
+	else:
+		return [
+			{ "email": row[0], "privileges": parse_privs(row[1]) }
+			for row in c.fetchall()
+			 ]
 
 def get_mail_aliases(env):
 	c = open_database(env)
@@ -122,6 +128,40 @@ def remove_mail_user(email, env):
 	# Update things in case any domains are removed.
 	return kick(env, "mail user removed")
 
+def parse_privs(value):
+	return [p for p in value.split("\n") if p.strip() != ""]
+
+def get_mail_user_privileges(email, env):
+	c = open_database(env)
+	c.execute('SELECT privileges FROM users WHERE email=?', (email,))
+	rows = c.fetchall()
+	if len(rows) != 1:
+		return ("That's not a user (%s)." % email, 400)
+	return parse_privs(rows[0][0])
+
+def add_remove_mail_user_privilege(email, priv, action, env):
+	if "\n" in priv or priv.strip() == "":
+		return ("That's not a valid privilege (%s)." % priv, 400)
+
+	privs = get_mail_user_privileges(email, env)
+	if isinstance(privs, tuple): return privs # error
+
+	if action == "add":
+		if priv not in privs:
+			privs.append(priv)
+	elif action == "remove":
+		privs = [p for p in privs if p != priv]
+	else:
+		return ("Invalid action.", 400)
+
+	conn, c = open_database(env, with_connection=True)
+	c.execute("UPDATE users SET privileges=? WHERE email=?", ("\n".join(privs), email))
+	if c.rowcount != 1:
+		return ("Something went wrong.", 400)
+	conn.commit()
+
+	return "OK"
+
 def add_mail_alias(source, destination, env, do_kick=True):
 	if not validate_email(source, mode='alias'):
 		return ("Invalid email address.", 400)

setup/mail-users.sh

@@ -17,7 +17,7 @@ db_path=$STORAGE_ROOT/mail/users.sqlite
 # Create an empty database if it doesn't yet exist.
 if [ ! -f $db_path ]; then
 	echo Creating new user database: $db_path;
-	echo "CREATE TABLE users (id INTEGER PRIMARY KEY AUTOINCREMENT, email TEXT NOT NULL UNIQUE, password TEXT NOT NULL, extra);" | sqlite3 $db_path;
+	echo "CREATE TABLE users (id INTEGER PRIMARY KEY AUTOINCREMENT, email TEXT NOT NULL UNIQUE, password TEXT NOT NULL, extra, privileges TEXT NOT NULL DEFAULT '');" | sqlite3 $db_path;
 	echo "CREATE TABLE aliases (id INTEGER PRIMARY KEY AUTOINCREMENT, source TEXT NOT NULL UNIQUE, destination TEXT NOT NULL);" | sqlite3 $db_path;
 fi
 

setup/migrate.py

@@ -8,7 +8,7 @@
 import sys, os, os.path, glob, re, shutil
 
 sys.path.insert(0, 'management')
-from utils import load_environment, save_environment, safe_domain_name
+from utils import load_environment, save_environment, shell
 
 def migration_1(env):
 	# Re-arrange where we store SSL certificates. There was a typo also.
@@ -51,6 +51,11 @@ def migration_3(env):
 	# of the file will be handled by the main function.
 	pass
 
+def migration_4(env):
+	# Add a new column to the mail users table where we can store administrative privileges.
+	db = os.path.join(env["STORAGE_ROOT"], 'mail/users.sqlite')
+	shell("check_call", ["sqlite3", db, "ALTER TABLE users ADD privileges TEXT NOT NULL DEFAULT ''"])
+
 def get_current_migration():
 	ver = 0
 	while True:

setup/start.sh

@@ -302,17 +302,21 @@ if [ -z "`tools/mail.py user`" ]; then
 			EMAIL_ADDR=me@$PRIMARY_HOSTNAME
 			EMAIL_PW=1234
 			echo
-			echo "Creating a new mail account for $EMAIL_ADDR with password $EMAIL_PW."
+			echo "Creating a new administrative mail account for $EMAIL_ADDR with password $EMAIL_PW."
 			echo
 		fi
 	else
 		echo
-		echo "Okay. I'm about to set up $EMAIL_ADDR for you."
+		echo "Okay. I'm about to set up $EMAIL_ADDR for you. This account will also"
+		echo "have access to the box's control panel."
 	fi
 
 	# Create the user's mail account. This will ask for a password if none was given above.
 	tools/mail.py user add $EMAIL_ADDR $EMAIL_PW
 
+	# Make it an admin.
+	hide_output tools/mail.py user make-admin $EMAIL_ADDR
+
 	# Create an alias to which we'll direct all automatically-created administrative aliases.
 	tools/mail.py alias add administrator@$PRIMARY_HOSTNAME $EMAIL_ADDR
 fi

tools/mail.py

 #!/usr/bin/python3
 
-import sys, getpass, urllib.request, urllib.error
+import sys, getpass, urllib.request, urllib.error, json
 
-def mgmt(cmd, data=None):
+def mgmt(cmd, data=None, is_json=False):
 	mgmt_uri = 'http://localhost:10222'
 
 	setup_key_auth(mgmt_uri)
@@ -18,7 +18,9 @@ def mgmt(cmd, data=None):
 		else:
 			print(e, file=sys.stderr)
 		sys.exit(1)
-	return response.read().decode('utf8')
+	resp = response.read().decode('utf8')
+	if is_json: resp = json.loads(resp)
+	return resp
 
 def read_password():
 	first  = getpass.getpass('password: ')
@@ -47,6 +49,8 @@ if len(sys.argv) < 2:
 	print("  tools/mail.py user add user@domain.com [password]")
 	print("  tools/mail.py user password user@domain.com [password]")
 	print("  tools/mail.py user remove user@domain.com")
+	print("  tools/mail.py user make-admin user@domain.com")
+	print("  tools/mail.py user remove-admin user@domain.com")
 	print("  tools/mail.py alias  (lists aliases)")
 	print("  tools/mail.py alias add incoming.name@domain.com sent.to@other.domain.com")
 	print("  tools/mail.py alias remove incoming.name@domain.com")
@@ -55,7 +59,13 @@ if len(sys.argv) < 2:
 	print()
 
 elif sys.argv[1] == "user" and len(sys.argv) == 2:
-	print(mgmt("/mail/users"))
+	# Dump a list of users, one per line. Mark admins with an asterisk.
+	users = mgmt("/mail/users?format=json", is_json=True)
+	for user in users:
+		print(user['email'], end='')
+		if "admin" in user['privileges']:
+			print("*", end='')
+		print()
 
 elif sys.argv[1] == "user" and sys.argv[2] in ("add", "password"):
 	if len(sys.argv) < 5:
@@ -75,6 +85,13 @@ elif sys.argv[1] == "user" and sys.argv[2] in ("add", "password"):
 elif sys.argv[1] == "user" and sys.argv[2] == "remove" and len(sys.argv) == 4:
 	print(mgmt("/mail/users/remove", { "email": sys.argv[3] }))
 
+elif sys.argv[1] == "user" and sys.argv[2] in ("make-admin", "remove-admin") and len(sys.argv) == 4:
+	if sys.argv[2] == "make-admin":
+		action = "add"
+	else:
+		action = "remove"
+	print(mgmt("/mail/users/privileges/" + action, { "email": sys.argv[3], "privilege": "admin" }))
+
 elif sys.argv[1] == "alias" and len(sys.argv) == 2:
 	print(mgmt("/mail/aliases"))