136 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			PHP
		
	
	
	
			
		
		
	
	
			136 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			PHP
		
	
	
	
<?php
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namespace BookStack\Auth\Access\Guards;
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use BookStack\Auth\Access\LdapService;
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use BookStack\Auth\Access\RegistrationService;
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use BookStack\Auth\User;
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use BookStack\Exceptions\JsonDebugException;
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use BookStack\Exceptions\LdapException;
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use BookStack\Exceptions\LoginAttemptEmailNeededException;
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use BookStack\Exceptions\LoginAttemptException;
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use BookStack\Exceptions\UserRegistrationException;
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use Illuminate\Contracts\Auth\UserProvider;
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use Illuminate\Contracts\Session\Session;
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use Illuminate\Support\Str;
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class LdapSessionGuard extends ExternalBaseSessionGuard
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{
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    protected LdapService $ldapService;
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    /**
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     * LdapSessionGuard constructor.
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     */
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    public function __construct(
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        $name,
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        UserProvider $provider,
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        Session $session,
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        LdapService $ldapService,
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        RegistrationService $registrationService
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    ) {
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        $this->ldapService = $ldapService;
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        parent::__construct($name, $provider, $session, $registrationService);
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    }
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    /**
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     * Validate a user's credentials.
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     *
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     * @param array $credentials
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     *
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     * @throws LdapException
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     *
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     * @return bool
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     */
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    public function validate(array $credentials = [])
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    {
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        $userDetails = $this->ldapService->getUserDetails($credentials['username']);
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        if (isset($userDetails['uid'])) {
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            $this->lastAttempted = $this->provider->retrieveByCredentials([
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                'external_auth_id' => $userDetails['uid'],
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            ]);
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        }
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        return $this->ldapService->validateUserCredentials($userDetails, $credentials['password']);
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    }
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    /**
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     * Attempt to authenticate a user using the given credentials.
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     *
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     * @param array $credentials
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     * @param bool  $remember
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     *
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     * @throws LdapException*@throws \BookStack\Exceptions\JsonDebugException
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     * @throws LoginAttemptException
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     * @throws JsonDebugException
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     *
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     * @return bool
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     */
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    public function attempt(array $credentials = [], $remember = false)
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    {
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        $username = $credentials['username'];
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        $userDetails = $this->ldapService->getUserDetails($username);
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        $user = null;
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        if (isset($userDetails['uid'])) {
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            $this->lastAttempted = $user = $this->provider->retrieveByCredentials([
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                'external_auth_id' => $userDetails['uid'],
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            ]);
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        }
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        if (!$this->ldapService->validateUserCredentials($userDetails, $credentials['password'])) {
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            return false;
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        }
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        if (is_null($user)) {
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            try {
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                $user = $this->createNewFromLdapAndCreds($userDetails, $credentials);
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            } catch (UserRegistrationException $exception) {
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                throw new LoginAttemptException($exception->getMessage());
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            }
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        }
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        // Sync LDAP groups if required
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        if ($this->ldapService->shouldSyncGroups()) {
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            $this->ldapService->syncGroups($user, $username);
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        }
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        // Attach avatar if non-existent
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        if (!$user->avatar()->exists()) {
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            $this->ldapService->saveAndAttachAvatar($user, $userDetails);
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        }
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        $this->login($user, $remember);
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        return true;
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    }
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    /**
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     * Create a new user from the given ldap credentials and login credentials.
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     *
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     * @throws LoginAttemptEmailNeededException
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     * @throws LoginAttemptException
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     * @throws UserRegistrationException
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     */
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    protected function createNewFromLdapAndCreds(array $ldapUserDetails, array $credentials): User
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    {
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        $email = trim($ldapUserDetails['email'] ?: ($credentials['email'] ?? ''));
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        if (empty($email)) {
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            throw new LoginAttemptEmailNeededException();
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        }
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        $details = [
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            'name'             => $ldapUserDetails['name'],
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            'email'            => $ldapUserDetails['email'] ?: $credentials['email'],
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            'external_auth_id' => $ldapUserDetails['uid'],
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            'password'         => Str::random(32),
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        ];
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        $user = $this->registrationService->registerUser($details, null, false);
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        $this->ldapService->saveAndAttachAvatar($user, $ldapUserDetails);
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        return $user;
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    }
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}
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