119 lines
3.7 KiB
PHP
119 lines
3.7 KiB
PHP
<?php namespace BookStack\Auth\Access;
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use BookStack\Auth\Role;
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use BookStack\Auth\User;
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use Illuminate\Database\Eloquent\Builder;
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use Illuminate\Support\Str;
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class ExternalAuthService
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{
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protected $registrationService;
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protected $user;
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/**
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* ExternalAuthService base constructor.
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*/
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public function __construct(RegistrationService $registrationService, User $user)
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{
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$this->registrationService = $registrationService;
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$this->user = $user;
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}
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/**
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* Get the user from the database for the specified details.
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* @throws UserRegistrationException
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*/
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protected function getOrRegisterUser(array $userDetails): ?User
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{
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$user = $this->user->newQuery()
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->where('external_auth_id', '=', $userDetails['external_id'])
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->first();
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if (is_null($user)) {
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$userData = [
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'name' => $userDetails['name'],
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'email' => $userDetails['email'],
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'password' => Str::random(32),
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'external_auth_id' => $userDetails['external_id'],
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];
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$user = $this->registrationService->registerUser($userData, null, false);
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}
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return $user;
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}
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/**
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* Check a role against an array of group names to see if it matches.
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* Checked against role 'external_auth_id' if set otherwise the name of the role.
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*/
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protected function roleMatchesGroupNames(Role $role, array $groupNames): bool
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{
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if ($role->external_auth_id) {
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return $this->externalIdMatchesGroupNames($role->external_auth_id, $groupNames);
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}
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$roleName = str_replace(' ', '-', trim(strtolower($role->display_name)));
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return in_array($roleName, $groupNames);
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}
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/**
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* Check if the given external auth ID string matches one of the given group names.
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*/
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protected function externalIdMatchesGroupNames(string $externalId, array $groupNames): bool
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{
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$externalAuthIds = explode(',', strtolower($externalId));
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foreach ($externalAuthIds as $externalAuthId) {
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if (in_array(trim($externalAuthId), $groupNames)) {
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return true;
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}
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}
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return false;
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}
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/**
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* Match an array of group names to BookStack system roles.
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* Formats group names to be lower-case and hyphenated.
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* @param array $groupNames
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* @return \Illuminate\Support\Collection
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*/
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protected function matchGroupsToSystemsRoles(array $groupNames)
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{
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foreach ($groupNames as $i => $groupName) {
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$groupNames[$i] = str_replace(' ', '-', trim(strtolower($groupName)));
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}
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$roles = Role::query()->where(function (Builder $query) use ($groupNames) {
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$query->whereIn('name', $groupNames);
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foreach ($groupNames as $groupName) {
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$query->orWhere('external_auth_id', 'LIKE', '%' . $groupName . '%');
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}
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})->get();
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$matchedRoles = $roles->filter(function (Role $role) use ($groupNames) {
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return $this->roleMatchesGroupNames($role, $groupNames);
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});
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return $matchedRoles->pluck('id');
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}
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/**
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* Sync the groups to the user roles for the current user
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*/
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public function syncWithGroups(User $user, array $userGroups): void
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{
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// Get the ids for the roles from the names
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$groupsAsRoles = $this->matchGroupsToSystemsRoles($userGroups);
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// Sync groups
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if ($this->config['remove_from_groups']) {
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$user->roles()->sync($groupsAsRoles);
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$user->attachDefaultRole();
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} else {
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$user->roles()->syncWithoutDetaching($groupsAsRoles);
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}
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}
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}
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