218 lines
7.4 KiB
Python
218 lines
7.4 KiB
Python
import base64
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import unittest
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from app import reconcile_shares as rs
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ROOT_DN = "CN=FS_Data,OU=Groups,DC=example,DC=com"
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GROUP_A_DN = "CN=GroupA,OU=Groups,DC=example,DC=com"
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GROUP_B_DN = "CN=GroupB,OU=Groups,DC=example,DC=com"
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GROUP_C_DN = "CN=GroupC,OU=Groups,DC=example,DC=com"
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USER_1_DN = "CN=Alice,OU=Users,DC=example,DC=com"
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USER_2_DN = "CN=Bob,OU=Users,DC=example,DC=com"
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USER_3_DN = "CN=Carol,OU=Users,DC=example,DC=com"
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COMPUTER_DN = "CN=PC01,OU=Computers,DC=example,DC=com"
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def principal(dn, sam, classes, members=(), member_of=()):
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return {
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"dn": dn,
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"objectGUID": "",
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"samAccountName": sam,
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"objectClasses": set(classes),
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"memberDns": list(members),
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"memberOfDns": list(member_of),
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}
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class GroupFolderNameTests(unittest.TestCase):
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def test_sanitizer_preserves_leading_dot(self):
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self.assertEqual(rs.sanitize_group_folder_name(".Finance"), ".Finance")
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self.assertEqual(rs.sanitize_group_folder_name("..Finance"), "..Finance")
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def test_sanitizer_still_rejects_dot_only_names(self):
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self.assertEqual(rs.sanitize_group_folder_name("."), "")
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self.assertEqual(rs.sanitize_group_folder_name(".."), "")
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self.assertEqual(rs.sanitize_group_folder_name("Finance."), "Finance")
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class LdapParsingTests(unittest.TestCase):
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def test_parser_keeps_repeated_members_and_unfolds_lines(self):
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display_name = base64.b64encode(b"Data Folder").decode("ascii")
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output = f"""
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dn: {ROOT_DN}
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objectGUID: 550e8400-e29b-41d4-a716-446655440000
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objectClass: top
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objectClass: group
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sAMAccountName: FS_Data
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displayName:: {display_name}
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member: {USER_1_DN}
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member: CN=Nested,OU=Groups,DC=example,
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DC=com
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member;range=2-2: CN=Ranged,OU=Groups,DC=example,DC=com
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"""
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entries = rs.parse_ldap_entries(output)
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self.assertEqual(len(entries), 1)
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self.assertEqual(rs.ldap_first(entries[0], "displayName"), "Data Folder")
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self.assertEqual(
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rs.ldap_values(entries[0], "member"),
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[
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USER_1_DN,
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"CN=Nested,OU=Groups,DC=example,DC=com",
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"CN=Ranged,OU=Groups,DC=example,DC=com",
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],
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)
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self.assertEqual(rs.ldap_values(entries[0], "objectClass"), ["top", "group"])
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def test_parse_groups_includes_dn_members_and_classes(self):
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output = f"""
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dn: {ROOT_DN}
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objectGUID: 550e8400-e29b-41d4-a716-446655440000
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objectClass: group
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sAMAccountName: FS_Data
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displayName: Data Folder
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distinguishedName: {ROOT_DN}
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member: {GROUP_A_DN}
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memberOf: CN=Parent,OU=Groups,DC=example,DC=com
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"""
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groups = rs.parse_groups_from_ldap_output(output)
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self.assertEqual(len(groups), 1)
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self.assertEqual(groups[0]["samAccountName"], "FS_Data")
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self.assertEqual(groups[0]["shareName"], "Data Folder")
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self.assertEqual(groups[0]["distinguishedName"], ROOT_DN)
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self.assertEqual(groups[0]["memberDns"], [GROUP_A_DN])
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self.assertEqual(
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groups[0]["memberOfDns"], ["CN=Parent,OU=Groups,DC=example,DC=com"]
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)
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self.assertEqual(groups[0]["objectClasses"], {"group"})
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def test_distinguished_name_filter_escapes_rfc4515_specials(self):
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dn = r"CN=A*B(C)\\Name,DC=example,DC=com"
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self.assertEqual(
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rs.build_distinguished_name_filter([dn]),
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r"(distinguishedName=CN=A\2aB\28C\29\5c\5cName,DC=example,DC=com)",
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)
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def test_nested_group_filter_uses_recursive_memberof_match(self):
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self.assertEqual(
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rs.build_nested_groups_filter(ROOT_DN),
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"(&(objectClass=group)"
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f"(memberOf:{rs.LDAP_MATCHING_RULE_IN_CHAIN}:={ROOT_DN}))",
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)
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class MembershipExpansionTests(unittest.TestCase):
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def lookup_from(self, principals):
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indexed = {rs.normalize_dn(value["dn"]): value for value in principals}
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def lookup(root_dn):
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self.assertEqual(root_dn, ROOT_DN)
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return {
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key: value
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for key, value in indexed.items()
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if key != rs.normalize_dn(root_dn)
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}
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return lookup
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def test_recursive_expansion_dedupes_groups_and_detects_cycle(self):
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root_group = {
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"objectGUID": "root-guid",
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"samAccountName": "FS_Data",
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"distinguishedName": ROOT_DN,
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"memberDns": [USER_1_DN, GROUP_A_DN, GROUP_B_DN, COMPUTER_DN],
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"memberOfDns": [GROUP_A_DN],
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"objectClasses": {"group"},
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}
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lookup = self.lookup_from(
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[
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principal(GROUP_A_DN, "GroupA", {"group"}, member_of=[ROOT_DN]),
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principal(GROUP_B_DN, "GroupB", {"group"}, member_of=[GROUP_A_DN]),
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]
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)
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expansion = rs.expand_group_membership(root_group, lookup_func=lookup)
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self.assertEqual(expansion.group_sams, ["GroupA", "GroupB"])
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self.assertEqual(expansion.unresolved_dns, [])
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self.assertEqual(expansion.cycle_paths, [["FS_Data", "GroupA", "FS_Data"]])
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def test_self_cycle_is_reported_once(self):
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root_group = {
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"objectGUID": "root-guid",
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"samAccountName": "FS_Data",
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"distinguishedName": ROOT_DN,
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"memberDns": [GROUP_C_DN],
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"objectClasses": {"group"},
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}
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lookup = self.lookup_from(
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[principal(GROUP_C_DN, "GroupC", {"group"}, member_of=[GROUP_C_DN])]
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)
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expansion = rs.expand_group_membership(root_group, lookup_func=lookup)
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self.assertEqual(expansion.group_sams, ["GroupC"])
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self.assertEqual(expansion.cycle_paths, [["GroupC", "GroupC"]])
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def test_user_members_are_not_required_for_expansion(self):
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user_dns = [
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f"CN=User{index},OU=Users,DC=example,DC=com" for index in range(1000)
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]
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root_group = {
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"objectGUID": "root-guid",
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"samAccountName": "FS_Data",
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"distinguishedName": ROOT_DN,
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"memberDns": [*user_dns, GROUP_A_DN],
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"objectClasses": {"group"},
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}
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lookup = self.lookup_from(
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[principal(GROUP_A_DN, "GroupA", {"group"}, member_of=[ROOT_DN])]
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)
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expansion = rs.expand_group_membership(root_group, lookup_func=lookup)
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self.assertEqual(expansion.group_sams, ["GroupA"])
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self.assertEqual(expansion.unresolved_dns, [])
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self.assertEqual(expansion.cycle_paths, [])
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def test_missing_root_dn_is_reported(self):
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root_group = {
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"objectGUID": "root-guid",
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"samAccountName": "FS_Data",
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"distinguishedName": "",
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"memberDns": [],
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"objectClasses": {"group"},
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}
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expansion = rs.expand_group_membership(root_group, lookup_func=lambda root_dn: {})
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self.assertEqual(expansion.unresolved_dns, ["<missing root group distinguishedName>"])
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self.assertEqual(expansion.group_sams, [])
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class AclResolutionTests(unittest.TestCase):
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def test_gid_resolution_preserves_order_dedupes_and_reports_missing(self):
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mapping = {"FS_Data": 1001, "Nested": 1002}
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def resolver(workgroup, group_name):
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self.assertEqual(workgroup, "EXAMPLE")
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return mapping.get(group_name)
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gids, unresolved = rs.resolve_group_gids_for_acl(
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"EXAMPLE", ["FS_Data", "Nested", "nested", "Missing"], resolver
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)
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self.assertEqual(gids, [1001, 1002])
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self.assertEqual(unresolved, ["Missing"])
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if __name__ == "__main__":
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unittest.main()
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