From 7aab0ecf2f78ce58f28b53c1fa19bfd824cc3cd7 Mon Sep 17 00:00:00 2001
From: Bertrand Dunogier <bertrand.dunogier@gmail.com>
Date: Thu, 29 Sep 2016 10:14:43 +0200
Subject: Added authentication for restricted access articles Fix #438. Thank
 you so much @bdunogier

---
 .../GrabySiteConfigBuilder.php                     | 68 ++++++++++++++++++++++
 .../CoreBundle/Helper/HttpClientFactory.php        | 44 ++++++++++++++
 .../CoreBundle/Resources/config/services.yml       | 32 ++++++++++
 3 files changed, 144 insertions(+)
 create mode 100644 src/Wallabag/CoreBundle/GuzzleSiteAuthenticator/GrabySiteConfigBuilder.php
 create mode 100644 src/Wallabag/CoreBundle/Helper/HttpClientFactory.php

(limited to 'src/Wallabag')

diff --git a/src/Wallabag/CoreBundle/GuzzleSiteAuthenticator/GrabySiteConfigBuilder.php b/src/Wallabag/CoreBundle/GuzzleSiteAuthenticator/GrabySiteConfigBuilder.php
new file mode 100644
index 00000000..6d4129e8
--- /dev/null
+++ b/src/Wallabag/CoreBundle/GuzzleSiteAuthenticator/GrabySiteConfigBuilder.php
@@ -0,0 +1,68 @@
+<?php
+
+namespace Wallabag\CoreBundle\GuzzleSiteAuthenticator;
+
+use BD\GuzzleSiteAuthenticator\SiteConfig\SiteConfig;
+use BD\GuzzleSiteAuthenticator\SiteConfig\SiteConfigBuilder;
+use Graby\SiteConfig\ConfigBuilder;
+use OutOfRangeException;
+
+class GrabySiteConfigBuilder implements SiteConfigBuilder
+{
+    /**
+     * @var \Graby\SiteConfig\ConfigBuilder
+     */
+    private $grabyConfigBuilder;
+    /**
+     * @var array
+     */
+    private $credentials;
+
+    /**
+     * GrabySiteConfigBuilder constructor.
+     *
+     * @param \Graby\SiteConfig\ConfigBuilder $grabyConfigBuilder
+     * @param array                           $credentials
+     */
+    public function __construct(ConfigBuilder $grabyConfigBuilder, array $credentials = [])
+    {
+        $this->grabyConfigBuilder = $grabyConfigBuilder;
+        $this->credentials = $credentials;
+    }
+
+    /**
+     * Builds the SiteConfig for a host.
+     *
+     * @param string $host The "www." prefix is ignored
+     *
+     * @return SiteConfig
+     *
+     * @throws OutOfRangeException If there is no config for $host
+     */
+    public function buildForHost($host)
+    {
+        // required by credentials below
+        $host = strtolower($host);
+        if (substr($host, 0, 4) == 'www.') {
+            $host = substr($host, 4);
+        }
+
+        $config = $this->grabyConfigBuilder->buildForHost($host);
+        $parameters = [
+            'host' => $host,
+            'requiresLogin' => $config->requires_login ?: false,
+            'loginUri' => $config->login_uri ?: null,
+            'usernameField' => $config->login_username_field ?: null,
+            'passwordField' => $config->login_password_field ?: null,
+            'extraFields' => is_array($config->login_extra_fields) ? $config->login_extra_fields : [],
+            'notLoggedInXpath' => $config->not_logged_in_xpath ?: null,
+        ];
+
+        if (isset($this->credentials[$host])) {
+            $parameters['username'] = $this->credentials[$host]['username'];
+            $parameters['password'] = $this->credentials[$host]['password'];
+        }
+
+        return new SiteConfig($parameters);
+    }
+}
diff --git a/src/Wallabag/CoreBundle/Helper/HttpClientFactory.php b/src/Wallabag/CoreBundle/Helper/HttpClientFactory.php
new file mode 100644
index 00000000..3e1d1ed5
--- /dev/null
+++ b/src/Wallabag/CoreBundle/Helper/HttpClientFactory.php
@@ -0,0 +1,44 @@
+<?php
+
+namespace Wallabag\CoreBundle\Helper;
+
+use Graby\Ring\Client\SafeCurlHandler;
+use GuzzleHttp\Client;
+use GuzzleHttp\Cookie\CookieJar;
+use GuzzleHttp\Event\SubscriberInterface;
+
+/**
+ * Builds and configures the Guzzle HTTP client.
+ */
+class HttpClientFactory
+{
+    /** @var \GuzzleHttp\Event\SubscriberInterface */
+    private $authenticatorSubscriber;
+
+    /** @var \GuzzleHttp\Cookie\CookieJar */
+    private $cookieJar;
+
+    /**
+     * HttpClientFactory constructor.
+     *
+     * @param \GuzzleHttp\Event\SubscriberInterface $authenticatorSubscriber
+     * @param \GuzzleHttp\Cookie\CookieJar          $cookieJar
+     */
+    public function __construct(SubscriberInterface $authenticatorSubscriber, CookieJar $cookieJar)
+    {
+        $this->authenticatorSubscriber = $authenticatorSubscriber;
+        $this->cookieJar = $cookieJar;
+    }
+
+    /**
+     * @return \GuzzleHttp\Client
+     */
+    public function buildHttpClient()
+    {
+        // need to set the (shared) cookie jar
+        $client = new Client(['handler' => new SafeCurlHandler(), 'defaults' => ['cookies' => $this->cookieJar]]);
+        $client->getEmitter()->attach($this->authenticatorSubscriber);
+
+        return $client;
+    }
+}
diff --git a/src/Wallabag/CoreBundle/Resources/config/services.yml b/src/Wallabag/CoreBundle/Resources/config/services.yml
index 0280bc18..1b7f39fc 100644
--- a/src/Wallabag/CoreBundle/Resources/config/services.yml
+++ b/src/Wallabag/CoreBundle/Resources/config/services.yml
@@ -41,11 +41,43 @@ services:
         arguments:
             -
                 error_message: '%wallabag_core.fetching_error_message%'
+            - "@wallabag_core.guzzle.http_client"
+            - "@wallabag_core.graby.config_builder"
         calls:
             - [ setLogger, [ "@logger" ] ]
         tags:
             - { name: monolog.logger, channel: graby }
 
+    wallabag_core.graby.config_builder:
+        class: Graby\SiteConfig\ConfigBuilder
+        arguments:
+            - {}
+            - "@logger"
+
+    wallabag_core.guzzle.http_client:
+        class: GuzzleHttp\ClientInterface
+        factory: ["@wallabag_core.guzzle.http_client_factory", buildHttpClient]
+
+    wallabag_core.guzzle_authenticator.config_builder:
+        class: Wallabag\CoreBundle\GuzzleSiteAuthenticator\GrabySiteConfigBuilder
+        arguments:
+            - "@wallabag_core.graby.config_builder"
+            - "%sites_credentials%"
+
+    # service alias override
+    bd_guzzle_site_authenticator.site_config_builder:
+        alias: wallabag_core.guzzle_authenticator.config_builder
+
+    wallabag_core.guzzle.http_client_factory:
+        class: Wallabag\CoreBundle\Helper\HttpClientFactory
+        arguments:
+            - "@bd_guzzle_site_authenticator.authenticator_subscriber"
+            - "@wallabag_core.guzzle.cookie_jar"
+
+    wallabag_core.guzzle.cookie_jar:
+        class: GuzzleHttp\Cookie\FileCookieJar
+        arguments: ["%kernel.cache_dir%/cookiejar.json"]
+
     wallabag_core.content_proxy:
         class: Wallabag\CoreBundle\Helper\ContentProxy
         arguments:
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