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     public function __construct(ConfigBuilder $grabyConfigBuilder, TokenStorage $token, SiteCredentialRepository $credentialRepository, LoggerInterface $logger)
  39     {
  40         $this->grabyConfigBuilder = $grabyConfigBuilder;
  41         $this->credentialRepository = $credentialRepository;
  42         $this->logger = $logger;
  43
  44         if ($token->getToken()) {
  45             $this->currentUser = $token->getToken()->getUser();
  46         }
  47     }
  48
  49     /**
  50      * {@inheritdoc}
  51      */
  52     public function buildForHost($host)
  53     {
  54         // required by credentials below
  55         $host = strtolower($host);
  56         if ('www.' === substr($host, 0, 4)) {
  57             $host = substr($host, 4);
  58         }
  59
  60         if (!$this->currentUser) {
  61             $this->logger->debug('Auth: no current user defined.');
  62
  63             return false;
  64         }
  65
  66         $hosts = [$host];
  67         // will try to see for a host without the first subdomain (fr.example.org & .example.org)
  68         $split = explode('.', $host);
  69
  70         if (\count($split) > 1) {
  71             // remove first subdomain
  72             array_shift($split);
  73             $hosts[] = '.' . implode('.', $split);
  74         }
  75
  76         $credentials = $this->credentialRepository->findOneByHostsAndUser($hosts, $this->currentUser->getId());
  77
  78         if (null === $credentials) {
  79             $this->logger->debug('Auth: no credentials available for host.', ['host' => $host]);
  80
  81             return false;
  82         }
  83
  84         $config = $this->grabyConfigBuilder->buildForHost($host);
  85         $parameters = [
  86             'host' => $host,
  87             'requiresLogin' => $config->requires_login ?: false,
  88             'loginUri' => $config->login_uri ?: null,
  89             'usernameField' => $config->login_username_field ?: null,
  90             'passwordField' => $config->login_password_field ?: null,
  91             'extraFields' => $this->processExtraFields($config->login_extra_fields),
  92             'notLoggedInXpath' => $config->not_logged_in_xpath ?: null,
  93             'username' => $credentials['username'],
  94             'password' => $credentials['password'],
  95         ];
  96
  97         $config = new SiteConfig($parameters);
  98
  99         // do not leak usernames and passwords in log
 100         $parameters['username'] = '**masked**';
 101         $parameters['password'] = '**masked**';
 102
 103         $this->logger->debug('Auth: add parameters.', ['host' => $host, 'parameters' => $parameters]);
 104
 105         return $config;
 106     }
 107
 108     /**
 109      * Processes login_extra_fields config, transforming an '=' separated array of strings
 110      * into a key/value array.
 111      *
 112      * @param array|mixed $extraFieldsStrings
 113      *
 114      * @return array
 115      */
 116     protected function processExtraFields($extraFieldsStrings)
 117     {
 118         if (!\is_array($extraFieldsStrings)) {
 119             return [];
 120         }
 121
 122         $extraFields = [];
 123         foreach ($extraFieldsStrings as $extraField) {
 124             if (false === strpos($extraField, '=')) {
 125                 continue;
 126             }
 127
 128             list($fieldName, $fieldValue) = explode('=', $extraField, 2);
 129             $extraFields[$fieldName] = $fieldValue;
 130         }
 131
 132         return $extraFields;
 133     }
 134 }