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