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 OutOfRangeException;
   9 use Psr\Log\LoggerInterface;
  10
  11 class GrabySiteConfigBuilder implements SiteConfigBuilder
  12 {
  13     /**
  14      * @var ConfigBuilder
  15      */
  16     private $grabyConfigBuilder;
  17     /**
  18      * @var array
  19      */
  20     private $credentials;
  21     /**
  22      * @var LoggerInterface
  23      */
  24     private $logger;
  25
  26     /**
  27      * GrabySiteConfigBuilder constructor.
  28      *
  29      * @param ConfigBuilder   $grabyConfigBuilder
  30      * @param array           $credentials
  31      * @param LoggerInterface $logger
  32      */
  33     public function __construct(ConfigBuilder $grabyConfigBuilder, array $credentials, LoggerInterface $logger)
  34     {
  35         $this->grabyConfigBuilder = $grabyConfigBuilder;
  36         $this->credentials = $credentials;
  37         $this->logger = $logger;
  38     }
  39
  40     /**
  41      * {@inheritdoc}
  42      */
  43     public function buildForHost($host)
  44     {
  45         // required by credentials below
  46         $host = strtolower($host);
  47         if (substr($host, 0, 4) == 'www.') {
  48             $host = substr($host, 4);
  49         }
  50
  51         if (empty($this->credentials[$host])) {
  52             $this->logger->debug('Auth: no credentials available for host.', ['host' => $host]);
  53
  54             return false;
  55         }
  56
  57         $config = $this->grabyConfigBuilder->buildForHost($host);
  58         $parameters = [
  59             'host' => $host,
  60             'requiresLogin' => $config->requires_login ?: false,
  61             'loginUri' => $config->login_uri ?: null,
  62             'usernameField' => $config->login_username_field ?: null,
  63             'passwordField' => $config->login_password_field ?: null,
  64             'extraFields' => $this->processExtraFields($config->login_extra_fields),
  65             'notLoggedInXpath' => $config->not_logged_in_xpath ?: null,
  66             'username' => $this->credentials[$host]['username'],
  67             'password' => $this->credentials[$host]['password'],
  68         ];
  69
  70         $config = new SiteConfig($parameters);
  71
  72         // do not leak password in log
  73         $parameters['password'] = '**masked**';
  74
  75         $this->logger->debug('Auth: add parameters.', ['host' => $host, 'parameters' => $parameters]);
  76
  77         return $config;
  78     }
  79
  80     /**
  81      * Processes login_extra_fields config, transforming an '=' separated array of strings
  82      * into a key/value array.
  83      *
  84      * @param array|mixed $extraFieldsStrings
  85      *
  86      * @return array
  87      */
  88     protected function processExtraFields($extraFieldsStrings)
  89     {
  90         if (!is_array($extraFieldsStrings)) {
  91             return [];
  92         }
  93
  94         $extraFields = [];
  95         foreach ($extraFieldsStrings as $extraField) {
  96             if (strpos($extraField, '=') === false) {
  97                 continue;
  98             }
  99
 100             list($fieldName, $fieldValue) = explode('=', $extraField, 2);
 101             $extraFields[$fieldName] = $fieldValue;
 102         }
 103
 104         return $extraFields;
 105     }
 106 }