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86 lines (71 loc) · 2.63 KB
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<?php
namespace BookStack\Access;
use BookStack\Users\Models\Role;
use BookStack\Users\Models\User;
use Illuminate\Support\Collection;
class GroupSyncService
{
/**
* Check a role against an array of group names to see if it matches.
* Checked against role 'external_auth_id' if set otherwise the name of the role.
*/
protected function roleMatchesGroupNames(Role $role, array $groupNames): bool
{
if ($role->external_auth_id) {
return $this->externalIdMatchesGroupNames($role->external_auth_id, $groupNames);
}
$roleName = str_replace(' ', '-', trim(strtolower($role->display_name)));
return in_array($roleName, $groupNames);
}
/**
* Check if the given external auth ID string matches one of the given group names.
*/
protected function externalIdMatchesGroupNames(string $externalId, array $groupNames): bool
{
foreach ($this->parseRoleExternalAuthId($externalId) as $externalAuthId) {
if (in_array($externalAuthId, $groupNames)) {
return true;
}
}
return false;
}
protected function parseRoleExternalAuthId(string $externalId): array
{
$inputIds = preg_split('/(?<!\\\),/', strtolower($externalId));
$cleanIds = [];
foreach ($inputIds as $inputId) {
$cleanIds[] = str_replace('\,', ',', trim($inputId));
}
return $cleanIds;
}
/**
* Match an array of group names to BookStack system roles.
* Formats group names to be lower-case and hyphenated.
*/
protected function matchGroupsToSystemsRoles(array $groupNames): Collection
{
foreach ($groupNames as $i => $groupName) {
$groupNames[$i] = str_replace(' ', '-', trim(strtolower($groupName)));
}
$roles = Role::query()->get(['id', 'external_auth_id', 'display_name']);
$matchedRoles = $roles->filter(function (Role $role) use ($groupNames) {
return $this->roleMatchesGroupNames($role, $groupNames);
});
return $matchedRoles->pluck('id');
}
/**
* Sync the groups to the user roles for the current user.
*/
public function syncUserWithFoundGroups(User $user, array $userGroups, bool $detachExisting): void
{
// Get the ids for the roles from the names
$groupsAsRoles = $this->matchGroupsToSystemsRoles($userGroups);
// Sync groups
if ($detachExisting) {
$user->roles()->sync($groupsAsRoles);
$user->attachDefaultRole();
} else {
$user->roles()->syncWithoutDetaching($groupsAsRoles);
}
}
}