[IMP] impersonate_login: restrict impersonate admins

Author: pcastelovigo

impersonate_login/README.rst

@@ -44,10 +44,11 @@ following measures are in place:
 - Mails and messages are sent from the original user.
 - Impersonated logins are logged and can be consulted through the
   Settings -> Technical menu.
-- 
-
-There is an alternative module to allow logins as another user
-(auth_admin_passkey), but it does not support these security mechanisms.
+- You can optionally forbid impersonation of users with "Administration:
+  Settings" rights by enabling the related option in the settings. There
+  is an alternative module to allow logins as another user
+  (auth_admin_passkey), but it does not support these security
+  mechanisms.
 
 **Table of contents**
 
@@ -59,6 +60,10 @@ Configuration
 
 The impersonating user must belong to group "Impersonate Users".
 
+If you want to prevent impersonation of users with the *Administration:
+Settings* rights, enable the *Restrict Impersonation of "Administration:
+Settings" Users* option in the settings.
+
 Usage
 =====
 

impersonate_login/__manifest__.py

@@ -20,6 +20,7 @@
     "data": [
         "security/group.xml",
         "security/ir.model.access.csv",
+        "views/res_config_settings.xml",
         "views/res_users.xml",
         "views/impersonate_log.xml",
     ],

impersonate_login/models/__init__.py

@@ -4,3 +4,4 @@
 from . import mail_message
 from . import impersonate_log
 from . import model
+from . import res_config_settings

impersonate_login/models/res_config_settings.py

@@ -0,0 +1,15 @@
+from odoo import fields, models
+
+
+class ResConfigSettings(models.TransientModel):
+    _inherit = "res.config.settings"
+
+    restrict_impersonate_admin_settings = fields.Boolean(
+        string="Restrict Impersonation of 'Administration: Settings' Users",
+        config_parameter="impersonate_login.restrict_impersonate_admin_settings",
+        help=(
+            "If enabled, users with the 'Administration: Settings' access right"
+            " cannot be impersonated."
+        ),
+        default=False,
+    )

impersonate_login/models/res_users.py

@@ -24,6 +24,20 @@ def _is_impersonate_user(self):
 
     def impersonate_login(self):
         if request:
+            config_restrict = (
+                self.env["ir.config_parameter"]
+                .sudo()
+                .get_param("impersonate_login.restrict_impersonate_admin_settings")
+            )
+            if config_restrict:
+                admin_settings_group = self.env.ref("base.group_system")
+                if admin_settings_group in self.groups_id:
+                    raise UserError(
+                        self.env._(
+                            "You cannot impersonate users with"
+                            " 'Administration: Settings' access rights."
+                        )
+                    )
             if request.session.get("impersonate_from_uid"):
                 if self.id == request.session.get("impersonate_from_uid"):
                     return self.back_to_origin_login()

impersonate_login/readme/CONFIGURE.md

@@ -1 +1,5 @@
 The impersonating user must belong to group "Impersonate Users".
+
+If you want to prevent impersonation of users with the *Administration: Settings*
+rights, enable the *Restrict Impersonation of "Administration: Settings" Users*
+option in the settings.

impersonate_login/readme/DESCRIPTION.md

@@ -6,6 +6,7 @@ To ensure that any abuse of this feature will not go unnoticed, the following me
 * In the chatter, it is displayed who is the user that is logged as another user.
 * Mails and messages are sent from the original user.
 * Impersonated logins are logged and can be consulted through the Settings -> Technical menu.
-* 
+* You can optionally forbid impersonation of users with "Administration: Settings"
+  rights by enabling the related option in the settings.
 There is an alternative module to allow logins as another user (auth_admin_passkey),
 but it does not support these security mechanisms.

impersonate_login/static/description/index.html

@@ -386,10 +386,12 @@ <h1>Impersonate Login</h1>
 <li>Mails and messages are sent from the original user.</li>
 <li>Impersonated logins are logged and can be consulted through the
 Settings -&gt; Technical menu.</li>
-<li></li>
+<li>You can optionally forbid impersonation of users with “Administration:
+Settings” rights by enabling the related option in the settings. There
+is an alternative module to allow logins as another user
+(auth_admin_passkey), but it does not support these security
+mechanisms.</li>
 </ul>
-<p>There is an alternative module to allow logins as another user
-(auth_admin_passkey), but it does not support these security mechanisms.</p>
 <p><strong>Table of contents</strong></p>
 <div class="contents local topic" id="contents">
 <ul class="simple">
@@ -407,6 +409,9 @@ <h1>Impersonate Login</h1>
 <div class="section" id="configuration">
 <h2><a class="toc-backref" href="#toc-entry-1">Configuration</a></h2>
 <p>The impersonating user must belong to group “Impersonate Users”.</p>
+<p>If you want to prevent impersonation of users with the <em>Administration:
+Settings</em> rights, enable the <em>Restrict Impersonation of “Administration:
+Settings” Users</em> option in the settings.</p>
 </div>
 <div class="section" id="usage">
 <h2><a class="toc-backref" href="#toc-entry-2">Usage</a></h2>

impersonate_login/tests/test_impersonate_login.py

@@ -336,3 +336,38 @@ def test_05_create_uid_on_transient_model(self):
         wizard = self.env["mail.wizard.invite"].browse(settings_id)
         self.assertIn("Hello", wizard.message)
         self.assertEqual(wizard.create_uid, self.demo_user)
+
+    def test_06_limit_access_to_admin(self):
+        """
+        Test restriction on impersonating admin users
+        with 'Administration: Settings' access rights.
+        """
+        config_settings = self.env["res.config.settings"].create(
+            {"restrict_impersonate_admin_settings": True}
+        )
+        config_settings.execute()
+
+        config_restrict = (
+            self.env["ir.config_parameter"]
+            .sudo()
+            .get_param("impersonate_login.restrict_impersonate_admin_settings")
+        )
+        self.assertTrue(config_restrict)
+
+        admin_settings_group = self.env.ref("base.group_system")
+        self.admin_user.group_ids += admin_settings_group
+
+        self.authenticate(user="demo", password="demo")
+        self.assertEqual(self.session.uid, self.demo_user.id)
+
+        self.demo_user.group_ids += self.env.ref(
+            "impersonate_login.group_impersonate_login"
+        )
+
+        with mute_logger("odoo.http"):
+            data = self._impersonate_user(self.admin_user)
+        self.assertEqual(
+            data["error"]["data"]["message"],
+            "You cannot impersonate users with "
+            "'Administration: Settings' access rights.",
+        )

impersonate_login/views/res_config_settings.xml

@@ -0,0 +1,20 @@
+<odoo>
+    <record id="view_res_config_settings_impersonate" model="ir.ui.view">
+        <field name="name">res.config.settings.impersonate</field>
+        <field name="model">res.config.settings</field>
+        <field name="inherit_id" ref="base_setup.res_config_settings_view_form" />
+        <field name="arch" type="xml">
+            <block id="user_default_rights" position="after">
+                <block title="Impersonation Login" id="impersonate_login">
+                    <setting
+                        id="restrict_impersonate_admin_settings"
+                        title="Restrict Impersonation of 'Administration: Settings' Users"
+                        help="Prevents impersonating users that have the 'Administration: Settings' access rights."
+                    >
+                        <field name="restrict_impersonate_admin_settings" />
+                    </setting>
+                </block>
+            </block>
+        </field>
+    </record>
+</odoo>