76 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			PHP
		
	
	
	
			
		
		
	
	
			76 lines
		
	
	
		
			2.4 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\Collection;
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use Illuminate\Support\Facades\DB;
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class ExternalAuthService
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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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     */
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    protected function matchGroupsToSystemsRoles(array $groupNames): Collection
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    {
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        foreach ($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()->get(['id', 'external_auth_id', 'display_name']);
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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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