[FIX] mail_tracking: permissions

Refine which mail tracking record is allowed to see. We can rely on the
ACLs of the related records so we minimize inconvenient message subject
leaks.

A regular user can read these mail.tracking.email records:

- Those with a linked mail.message that the user can read
- Those with a linked mail.mail that the user can read
- Those with no message/mail link but a linked partner that the user can
read.
- Those with no linked records.

TT31399

mail_tracking/controllers/main.py

@@ -81,8 +81,10 @@ class MailTrackingController(MailController):
         metadata = self._request_metadata()
         with db_env(db) as env:
             try:
-                tracking_email = env["mail.tracking.email"].search(
-                    [("id", "=", tracking_email_id), ("token", "=", token)]
+                tracking_email = (
+                    env["mail.tracking.email"]
+                    .sudo()
+                    .search([("id", "=", tracking_email_id), ("token", "=", token)])
                 )
                 if not tracking_email:
                     _logger.warning(

mail_tracking/models/mail_tracking_email.py

@@ -8,7 +8,8 @@ import urllib.parse
 import uuid
 from datetime import datetime
 
-from odoo import api, fields, models, tools
+from odoo import _, api, fields, models, tools
+from odoo.exceptions import AccessError
 
 _logger = logging.getLogger(__name__)
 
@@ -130,11 +131,88 @@ class MailTrackingEmail(models.Model):
         if state and state in self.env["mail.message"].get_failed_states():
             self.mapped("mail_message_id").write({"mail_tracking_needs_action": True})
 
+    def _find_allowed_tracking_ids(self):
+        """Filter trackings based on related records ACLs"""
+        # Admins passby this filter
+        if not self or self.env.user.has_group("base.group_system"):
+            return self.ids
+        # Override ORM to get the values directly
+        self._cr.execute(
+            """
+            SELECT id, mail_message_id, mail_id, partner_id
+            FROM mail_tracking_email WHERE id IN %s
+            """,
+            (tuple(self.ids),),
+        )
+        msg_linked = self._cr.fetchall()
+        if not msg_linked:
+            return []
+        ids, msg_ids, mail_ids, partner_ids = zip(*msg_linked)
+        # Filter messages with their ACL rules
+        msg_ids = self.env["mail.message"]._search([("id", "in", msg_ids)])
+        mail_ids = self.env["mail.mail"]._search([("id", "in", mail_ids)])
+        partner_ids = self.env["res.partner"]._search([("id", "in", partner_ids)])
+        return [
+            x[0]
+            for x in msg_linked
+            if (x[1] in msg_ids)  # We can read the linked message
+            or (x[2] in mail_ids)  # We can read the linked mail
+            or (
+                not any({x[1], x[2]}) and x[3] in partner_ids
+            )  # No linked msg/mail but we can read the linked partner
+            or (not any({x[1], x[2], x[3]}))  # No linked record
+        ]
+
+    @api.model
+    def _search(
+        self,
+        args,
+        offset=0,
+        limit=None,
+        order=None,
+        count=False,
+        access_rights_uid=None,
+    ):
+        """Filter ids based on related records ACLs"""
+        ids = super()._search(
+            args, offset, limit, order, count=count, access_rights_uid=access_rights_uid
+        )
+        if not self.env.user.has_group("base.group_system") and not count:
+            ids = self.browse(ids)._find_allowed_tracking_ids()
+        return ids
+
+    def check_access_rule(self, operation):
+        """Rely on related messages ACLs"""
+        super().check_access_rule(operation)
+        allowed_ids = self._search([("id", "in", self._find_allowed_tracking_ids())])
+        disallowed_ids = set(self.exists().ids).difference(set(allowed_ids))
+        if not disallowed_ids:
+            return
+        raise AccessError(
+            _(
+                "The requested operation cannot be completed due to security "
+                "restrictions. Please contact your system administrator.\n\n"
+                "(Document type: %s, Operation: %s)"
+            )
+            % (self._description, operation)
+            + " - ({} {}, {} {})".format(
+                _("Records:"), list(disallowed_ids), _("User:"), self._uid
+            )
+        )
+
+    def read(self, fields=None, load="_classic_read"):
+        """Override to explicitly call check_access_rule, that is not called
+        by the ORM. It instead directly fetches ir.rules and apply them.
+        """
+        if not self.env.user.has_group("base.group_system"):
+            self.check_access_rule("read")
+        return super().read(fields=fields, load=load)
+
     @api.model
     def email_is_bounced(self, email):
         if not email:
             return False
-        res = self._email_last_tracking_state(email)
+        res = self.sudo()._email_last_tracking_state(email)
         return res and res[0].get("state", "") in {
             "rejected",
             "error",
@@ -155,13 +233,13 @@ class MailTrackingEmail(models.Model):
     def email_score_from_email(self, email):
         if not email:
             return 0.0
-        data = self.read_group(
+        data = self.sudo().read_group(
             [("recipient_address", "=", email.lower())],
             ["recipient_address", "state"],
             ["state"],
         )
         mapped_data = {state["state"]: state["state_count"] for state in data}
-        return self.with_context(mt_states=mapped_data).email_score()
+        return self.with_context(mt_states=mapped_data).sudo().email_score()
 
     @api.model
     def _email_score_weights(self):

mail_tracking/models/res_partner.py

@@ -17,14 +17,16 @@ class ResPartner(models.Model):
 
     @api.depends("email")
     def _compute_email_score_and_count(self):
+        self.email_score = 50.0
+        self.tracking_emails_count = 0
         partners_mail = self.filtered("email")
-        mail_tracking_obj = self.env["mail.tracking.email"]
+        mt_obj = self.env["mail.tracking.email"].sudo()
         for partner in partners_mail:
-            partner.email_score = self.env[
-                "mail.tracking.email"
-            ].email_score_from_email(partner.email)
-            partner.tracking_emails_count = mail_tracking_obj.search_count(
-                [("recipient_address", "=", partner.email.lower())]
+            partner.email_score = mt_obj.email_score_from_email(partner.email)
+            # We don't want performance issues due to heavy ACLs check for large
+            # recordsets. Our option is to hide the number for regular users.
+            if not self.env.user.has_group("base.group_system"):
+                continue
+            partner.tracking_emails_count = len(
+                mt_obj._search([("recipient_address", "=", partner.email.lower())])
             )
-        partners_no_mail = self - partners_mail
-        partners_no_mail.update({"email_score": 50.0, "tracking_emails_count": 0})

mail_tracking/tests/test_mail_tracking.py

@@ -10,6 +10,7 @@ import psycopg2.errorcodes
 from lxml import etree
 
 from odoo import http
+from odoo.tests import users
 from odoo.tests.common import TransactionCase
 from odoo.tools import mute_logger
 
@@ -75,19 +76,24 @@ class TestMailTracking(TransactionCase):
         tracking.write({"recipient": False})
         self.assertEqual(False, tracking.recipient_address)
 
+    @users("admin", "demo")
     def test_message_post(self):
         # This message will generate a notification for recipient
-        message = self.env["mail.message"].create(
-            {
-                "subject": "Message test",
-                "author_id": self.sender.id,
-                "email_from": self.sender.email,
-                "message_type": "comment",
-                "model": "res.partner",
-                "res_id": self.recipient.id,
-                "partner_ids": [(4, self.recipient.id)],
-                "body": "<p>This is a test message</p>",
-            }
+        message = (
+            self.env["mail.message"]
+            .sudo()
+            .create(
+                {
+                    "subject": "Message test",
+                    "author_id": self.sender.id,
+                    "email_from": self.sender.email,
+                    "message_type": "comment",
+                    "model": "res.partner",
+                    "res_id": self.recipient.id,
+                    "partner_ids": [(4, self.recipient.id)],
+                    "body": "<p>This is a test message</p>",
+                }
+            )
         )
         message._moderate_accept()
         # Search tracking created

mail_tracking/views/res_partner_view.xml

@@ -23,6 +23,7 @@
                         name="tracking_emails_count"
                         widget="statinfo"
                         string="Tracking emails"
+                        attrs="{'invisible': [('tracking_emails_count', '=', False)]}"
                     />
             </button>
         </div>