From 5d34332f356164ce539044f538ed74b983fcc706 Mon Sep 17 00:00:00 2001
From: Frederick Muriuki Muriithi
Date: Thu, 6 Jun 2024 15:13:46 -0500
Subject: migration: Move role-manipulation privileges from group to resources

Attach the role-manipulation privileges to the resource rather than
the group, because the roles actually act on the resource itself -
thus each role needs to track which resource it acts on.
---
 ...ipulation-privileges-from-group-to-resources.py | 94 ++++++++++++++++++++++
 1 file changed, 94 insertions(+)
 create mode 100644 migrations/auth/20240606_01_xQDwL-move-role-manipulation-privileges-from-group-to-resources.py

(limited to 'migrations/auth')

diff --git a/migrations/auth/20240606_01_xQDwL-move-role-manipulation-privileges-from-group-to-resources.py b/migrations/auth/20240606_01_xQDwL-move-role-manipulation-privileges-from-group-to-resources.py
new file mode 100644
index 0000000..a45fd30
--- /dev/null
+++ b/migrations/auth/20240606_01_xQDwL-move-role-manipulation-privileges-from-group-to-resources.py
@@ -0,0 +1,94 @@
+"""
+Move role-manipulation privileges from group to resources
+"""
+import sqlite3
+from yoyo import step
+
+__depends__ = {'20240529_01_ALNWj-update-schema-for-user-verification'}
+
+def role_by_name(cursor, role_name):
+    """Fetch group-admin role"""
+    cursor.execute("SELECT * FROM roles WHERE role_name=?",
+                   (role_name,))
+    return dict(cursor.fetchone())
+
+
+def move_privileges_to_resources(conn):
+    """Move role-manipulation privileges from group to resource."""
+    conn.row_factory = sqlite3.Row
+    cursor = conn.cursor()
+    cursor.execute(
+        "DELETE FROM role_privileges WHERE privilege_id IN ("
+        "  'group:role:create-role',"
+        "  'group:role:delete-role',"
+        "  'group:role:edit-role',"
+        "  'group:user:assign-role'"
+        ")")
+    cursor.execute(
+        "DELETE FROM privileges WHERE privilege_id IN ("
+        "  'group:role:create-role',"
+        "  'group:role:delete-role',"
+        "  'group:role:edit-role',"
+        "  'group:user:assign-role'"
+        ")")
+
+    resource_owner_role = role_by_name(cursor, "resource-owner")
+    privileges = (
+        ("resource:role:create-role",
+         "Create a new role on a specific resource"),
+        ("resource:role:delete-role",
+         "Delete an existing role from a specific resource"),
+        ("resource:role:edit-role",
+         "Edit an existing role on a specific resource"),
+        ("resource:user:assign-role",
+         "Assign a user to a role on a specific resource"))
+    cursor.executemany(
+        ("INSERT INTO privileges(privilege_id, privilege_description) "
+         "VALUES (?, ?)"),
+        privileges)
+    cursor.executemany(
+        ("INSERT INTO role_privileges(role_id, privilege_id) "
+         "VALUES(?, ?)"),
+        tuple((resource_owner_role["role_id"], privilege[0])
+              for privilege in privileges))
+    cursor.close()
+
+def move_privileges_to_groups(conn):
+    """Move role-manipulation privileges from resource to group."""
+    conn.row_factory = sqlite3.Row
+    cursor = conn.cursor()
+    cursor.execute(
+        "DELETE FROM role_privileges WHERE privilege_id IN ("
+        "  'resource:role:create-role',"
+        "  'resource:role:delete-role',"
+        "  'resource:role:edit-role',"
+        "  'resource:user:assign-role'"
+        ")")
+    cursor.execute(
+        "DELETE FROM privileges WHERE privilege_id IN ("
+        "  'resource:role:create-role',"
+        "  'resource:role:delete-role',"
+        "  'resource:role:edit-role',"
+        "  'resource:user:assign-role'"
+        ")")
+
+    group_leader_role = role_by_name(cursor, "group-leader")
+    privileges = (
+        ("group:role:create-role", "Create a new role"),
+        ("group:role:delete-role", "Delete an existing role"),
+        ("group:role:edit-role", "edit/update an existing role"),
+        ("group:user:assign-role", "Assign a role to an existing user"))
+    cursor.executemany(
+        ("INSERT INTO privileges(privilege_id, privilege_description) "
+         "VALUES (?, ?)"),
+        privileges)
+    cursor.executemany(
+        ("INSERT INTO role_privileges(role_id, privilege_id) "
+         "VALUES(?, ?)"),
+        tuple((group_leader_role["role_id"], privilege[0])
+              for privilege in privileges))
+    cursor.close()
+
+steps = [
+    step(move_privileges_to_resources, move_privileges_to_groups)
+]
-- 
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