src/Wallabag/CoreBundle/GuzzleSiteAuthenticator/GrabySiteConfigBuilder.php

   1 <?php
   2
   3 namespace Wallabag\CoreBundle\GuzzleSiteAuthenticator;
   4
   5 use BD\GuzzleSiteAuthenticator\SiteConfig\SiteConfig;
   6 use BD\GuzzleSiteAuthenticator\SiteConfig\SiteConfigBuilder;
   7 use Graby\SiteConfig\ConfigBuilder;
   8 use Psr\Log\LoggerInterface;
   9 use Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorage;
  10 use Wallabag\CoreBundle\Repository\SiteCredentialRepository;
  11 use Wallabag\UserBundle\Entity\User;
  12
  13 class GrabySiteConfigBuilder implements SiteConfigBuilder
  14 {
  15     /**
  16      * @var ConfigBuilder
  17      */
  18     private $grabyConfigBuilder;
  19
  20     /**
  21      * @var SiteCredentialRepository
  22      */
  23     private $credentialRepository;
  24
  25     /**
  26      * @var LoggerInterface
  27      */
  28     private $logger;
  29
  30     /**
  31      * @var User|null
  32      */
  33     private $currentUser;
  34
  35     /**
  36      * GrabySiteConfigBuilder constructor.
  37      *
  38      * @param ConfigBuilder            $grabyConfigBuilder
  39      * @param TokenStorage             $token
  40      * @param SiteCredentialRepository $credentialRepository
  41      * @param LoggerInterface          $logger
  42      */
  43     public function __construct(ConfigBuilder $grabyConfigBuilder, TokenStorage $token, SiteCredentialRepository $credentialRepository, LoggerInterface $logger)
  44     {
  45         $this->grabyConfigBuilder = $grabyConfigBuilder;
  46         $this->credentialRepository = $credentialRepository;
  47         $this->logger = $logger;
  48
  49         if ($token->getToken()) {
  50             $this->currentUser = $token->getToken()->getUser();
  51         }
  52     }
  53
  54     /**
  55      * {@inheritdoc}
  56      */
  57     public function buildForHost($host)
  58     {
  59         // required by credentials below
  60         $host = strtolower($host);
  61         if (substr($host, 0, 4) === 'www.') {
  62             $host = substr($host, 4);
  63         }
  64
  65         $credentials = null;
  66         if ($this->currentUser) {
  67             $credentials = $this->credentialRepository->findOneByHostAndUser($host, $this->currentUser->getId());
  68         }
  69
  70         if (null === $credentials) {
  71             $this->logger->debug('Auth: no credentials available for host.', ['host' => $host]);
  72
  73             return false;
  74         }
  75
  76         $config = $this->grabyConfigBuilder->buildForHost($host);
  77         $parameters = [
  78             'host' => $host,
  79             'requiresLogin' => $config->requires_login ?: false,
  80             'loginUri' => $config->login_uri ?: null,
  81             'usernameField' => $config->login_username_field ?: null,
  82             'passwordField' => $config->login_password_field ?: null,
  83             'extraFields' => $this->processExtraFields($config->login_extra_fields),
  84             'notLoggedInXpath' => $config->not_logged_in_xpath ?: null,
  85             'username' => $credentials['username'],
  86             'password' => $credentials['password'],
  87         ];
  88
  89         $config = new SiteConfig($parameters);
  90
  91         // do not leak usernames and passwords in log
  92         $parameters['username'] = '**masked**';
  93         $parameters['password'] = '**masked**';
  94
  95         $this->logger->debug('Auth: add parameters.', ['host' => $host, 'parameters' => $parameters]);
  96
  97         return $config;
  98     }
  99
 100     /**
 101      * Processes login_extra_fields config, transforming an '=' separated array of strings
 102      * into a key/value array.
 103      *
 104      * @param array|mixed $extraFieldsStrings
 105      *
 106      * @return array
 107      */
 108     protected function processExtraFields($extraFieldsStrings)
 109     {
 110         if (!is_array($extraFieldsStrings)) {
 111             return [];
 112         }
 113
 114         $extraFields = [];
 115         foreach ($extraFieldsStrings as $extraField) {
 116             if (strpos($extraField, '=') === false) {
 117                 continue;
 118             }
 119
 120             list($fieldName, $fieldValue) = explode('=', $extraField, 2);
 121             $extraFields[$fieldName] = $fieldValue;
 122         }
 123
 124         return $extraFields;
 125     }
 126 }