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