public TimeSpan GrantJitAccessDynamicGroup(IGroup group, IUser user, string dcLocatorTarget, bool canExtend, TimeSpan requestedExpiry, out Action undo) { JitDynamicGroupMapping mapping = this.FindDomainMapping(group); string groupName = this.BuildGroupSamAccountName(mapping, user, group); string description = this.BuildGroupDescription(mapping); string fqGroupName = $"{this.BuildGroupDomain(group)}\\{groupName}"; TimeSpan grantedExpiry = requestedExpiry; this.logger.LogTrace("Processing request to have {user} added to the JIT group {group} via dynamicObject {dynamicGroup}", user.MsDsPrincipalName, group.Path, fqGroupName); IGroup dynamicGroup = null; this.discoveryServices.FindDcAndExecuteWithRetry(dcLocatorTarget, this.discoveryServices.GetDomainNameDns(mapping.GroupOU), DsGetDcNameFlags.DS_DIRECTORY_SERVICE_REQUIRED | DsGetDcNameFlags.DS_WRITABLE_REQUIRED, this.GetDcLocatorMode(), dc => { this.logger.LogTrace("Attempting to perform dynamic group operation against DC {dc}", dc); group.RetargetToDc(dc); if (directory.TryGetGroup(fqGroupName, out dynamicGroup)) { dynamicGroup.RetargetToDc(dc); this.logger.LogTrace("Dynamic group {dynamicGroup} already exists in the directory with a remaining TTL of {ttl}", dynamicGroup.Path, dynamicGroup.EntryTtl); if (!canExtend) { this.logger.LogTrace("User {user} is not permitted to extend the access, so the TTL will remain unchanged", user.MsDsPrincipalName); grantedExpiry = dynamicGroup.EntryTtl ?? new TimeSpan(); } else { dynamicGroup.ExtendTtl(requestedExpiry); this.logger.LogTrace("User {user} is permitted to extend the access, so the TTL will was updated to {ttl}", user.MsDsPrincipalName, requestedExpiry); } } else { this.logger.LogTrace("Creating a new dynamic group {groupName} in {ou} with TTL of {ttl}", groupName, mapping.GroupOU, grantedExpiry); dynamicGroup = this.directory.CreateTtlGroup(groupName, groupName, description, mapping.GroupOU, dc, grantedExpiry, mapping.GroupType, true); this.logger.LogInformation(EventIDs.JitDynamicGroupCreated, "Created a new dynamic group {group}", dynamicGroup.Path, grantedExpiry); } this.logger.LogTrace("Adding user {user} to dynamic group {dynamicGroup}", user.MsDsPrincipalName, dynamicGroup.Path); dynamicGroup.AddMember(user); this.logger.LogTrace("Adding dynamic group {dynamicGroup} to the JIT group {jitGroup}", dynamicGroup.Path, group.Path); group.AddMember(dynamicGroup); return(true); }); undo = () => { if (dynamicGroup != null) { this.logger.LogTrace("Rolling back JIT access by deleting dynamic group {dynamicGroup} created for {user} to become a member of {group}", dynamicGroup?.MsDsPrincipalName, user.MsDsPrincipalName, group.MsDsPrincipalName); this.directory.DeleteGroup(fqGroupName); this.logger.LogInformation(EventIDs.JitDynamicGroupDeleted, "Rolled back JIT access by deleting dynamic group {dynamicGroup} created for {user} to become a member of {group}", dynamicGroup?.MsDsPrincipalName, user.MsDsPrincipalName, group.MsDsPrincipalName); } }; return(grantedExpiry); }