Add static user backend for testing purposes

auth.py

@@ -135,6 +135,30 @@ class ADManager:
         for result in reader.search():
             yield result.name.value
 
+
+class StaticUserManager:
+    def __init__(self, users):
+        self.passwords = {
+            username: password
+            for (username, password, groups) in users
+        }
+        self.groups = {
+            username: groups
+            for (username, password, groups) in users
+        }
+
+    def authenticate(self, username, password):
+        return (username in self.passwords
+            and self.passwords[username] == password)
+
+    def groups(self, username, password=None):
+        if username in self.groups:
+            yield from self.groups[username]
+
+    def all_groups(self):
+        return list(set(group for group in groups.values()))
+
+
 class SecurityManager:
     def __init__(self, key, max_duration=300):
         self.maccer = hmac.new(key.encode("utf-8"), digestmod=hashlib.sha512)

config.py.example

@@ -62,7 +62,7 @@ SESSION_PROTECTION = "strong" # do not change
 # authentication
 SECURITY_KEY = "some other random string" # change this
 AUTH_MAX_DURATION = 300
-from auth import LdapManager, ADManager
+from auth import LdapManager, ADManager, StaticUserManager
 AUTH_BACKENDS = [
     LdapManager(
         host="ldap.example.com",
@@ -73,7 +73,13 @@ AUTH_BACKENDS = [
         domain="EXAMPLE",
         user_dn="cn=users,dc=example,dc=com",
         group_dn="dc=example,dc=com",
-        ca_cert="/etc/ssl/certs/example-ca.pem")
+        ca_cert="/etc/ssl/certs/example-ca.pem"),
+    StaticUserManager(
+        users=(
+            ("username", "password", ("group1", "group2")),
+            ("testuser", "abc123", ("group1")),
+        )
+    )
 ]
 
 OBSOLETION_WARNING = """Please migrate your account!""" # not important