<?php

/**
 * @file
 * Tests that exercise the validation functions in the link module.
 */

/**
 * Validate Test Case.
 */
class LinkValidateTestCase extends LinkBaseTestClass {

  /**
   * Create Link.
   */
  protected function createLink($url, $title, $attributes = array()) {
    return array(
      'url' => $url,
      'title' => $title,
      'attributes' => $attributes,
    );
  }

  /**
   * Takes a URL, sees if it can validate that the URL is valid.
   */
  protected function linkTestValidateUrl($url) {
    $field_name = $this->createLinkField();

    $label = $this->randomName();
    $settings = array(
      'title' => $label,
      $field_name => array(
        LANGUAGE_NONE => array(
          array(
            'title' => $label,
            'url' => $url,
          ),
        ),
      ),
    );

    $node = $this->drupalCreateNode($settings);

    $this->assertNotNull($node, ' has been created.', 'Node created');

    $this->assertEqual($url, $node->{$field_name}[LANGUAGE_NONE][0]['url']);
  }

}

/**
 * Class for Validate Test.
 */
class LinkValidateTest extends LinkValidateTestCase {

  /**
   * Get Info.
   */
  public static function getInfo() {
    return array(
      'name' => 'Link Validation Tests',
      'description' => 'Tests the field validation.',
      'group' => 'Link',
    );
  }

  /**
   * Validate basic URL.
   */
  public function testLinkValidateBasicUrl() {
    $this->linkTestValidateUrl('http://www.example.com');
  }

  /**
   * Test if we're stopped from posting a bad url on default validation.
   */
  public function testLinkValidateBadUrlValidateDefault() {
    $this->web_user = $this->drupalCreateUser(array(
      'administer content types',
      'administer fields',
      'administer nodes',
      'administer filters',
      'access content',
      'create page content',
      'access administration pages',
    ));
    $this->drupalLogin($this->web_user);

    // Create field.
    $name = strtolower($this->randomName());
    $edit = array(
      'fields[_add_new_field][label]' => $name,
      'fields[_add_new_field][field_name]' => $name,
      'fields[_add_new_field][type]' => 'link_field',
      'fields[_add_new_field][widget_type]' => 'link_field',
    );
    $this->drupalPost('admin/structure/types/manage/page/fields', $edit, t('Save'));
    $this->drupalPost(NULL, array(), t('Save field settings'));
    $this->drupalPost(NULL, array(), t('Save settings'));

    // Is field created?
    $this->assertRaw(t('Saved %label configuration', array('%label' => $name)), 'Field added');
    node_types_rebuild();
    menu_rebuild();

    // Create page form.
    $this->drupalGet('node/add/page');
    $field_name = 'field_' . $name;
    $this->assertField('edit-field-' . $name . '-und-0-title', 'Title found');
    $this->assertField('edit-field-' . $name . '-und-0-url', 'URL found');

    $edit = array(
      'title' => 'Simple Title',
      $field_name . '[und][0][url]' => 'edik:naw',
    );

    $this->drupalPost(NULL, $edit, t('Save'));
    $this->assertText(t('The value @value provided for @field is not a valid URL.', array(
      '@value' => 'edik:naw',
      '@field' => $name,
    )));
  }

  /**
   * Test if we're stopped from posting a bad url with validation on.
   */
  public function testLinkValidateBadUrlValidateOn() {
    $this->web_user = $this->drupalCreateUser(array(
      'administer content types',
      'administer fields',
      'administer nodes',
      'administer filters',
      'access content',
      'create page content',
      'access administration pages',
    ));
    $this->drupalLogin($this->web_user);

    // Create field.
    $name = strtolower($this->randomName());
    $edit = array(
      'fields[_add_new_field][label]' => $name,
      'fields[_add_new_field][field_name]' => $name,
      'fields[_add_new_field][type]' => 'link_field',
      'fields[_add_new_field][widget_type]' => 'link_field',
    );
    $this->drupalPost('admin/structure/types/manage/page/fields', $edit, t('Save'));
    $this->drupalPost(NULL, array(), t('Save field settings'));
    $this->drupalPost(NULL, array('instance[settings][validate_url]' => TRUE), t('Save settings'));

    // Is field created?
    $this->assertRaw(t('Saved %label configuration', array('%label' => $name)), 'Field added');
    node_types_rebuild();
    menu_rebuild();

    // Create page form.
    $this->drupalGet('node/add/page');
    $field_name = 'field_' . $name;
    $this->assertField('edit-field-' . $name . '-und-0-title', 'Title found');
    $this->assertField('edit-field-' . $name . '-und-0-url', 'URL found');

    $edit = array(
      'title' => 'Simple Title',
      $field_name . '[und][0][url]' => 'edik:naw',
    );

    $this->drupalPost(NULL, $edit, t('Save'));
    $this->assertText(t('The value @value provided for @field is not a valid URL.', array(
      '@field' => $name,
      '@value' => 'edik:naw',
    )));

  }

  /**
   * Test if we can post a bad url if the validation is expressly turned off.
   */
  public function testLinkValidateBadUrlValidateOff() {
    $this->web_user = $this->drupalCreateUser(array(
      'administer content types',
      'administer fields',
      'administer nodes',
      'administer filters',
      'access content',
      'create page content',
      'access administration pages',
    ));
    $this->drupalLogin($this->web_user);

    // Create field.
    $name = strtolower($this->randomName());
    $edit = array(
      'fields[_add_new_field][label]' => $name,
      'fields[_add_new_field][field_name]' => $name,
      'fields[_add_new_field][type]' => 'link_field',
      'fields[_add_new_field][widget_type]' => 'link_field',
    );
    $this->drupalPost('admin/structure/types/manage/page/fields', $edit, t('Save'));
    $this->drupalPost(NULL, array(), t('Save field settings'));
    $this->drupalPost(NULL, array('instance[settings][validate_url]' => FALSE), t('Save settings'));

    // @codingStandardsIgnoreLine
    /*$instance_details = db_query("SELECT * FROM {field_config_instance} WHERE field_name = :field_name AND bundle = 'page'", array(':field_name' => 'field_'. $name))->fetchObject();
    $this->fail('<pre>'. print_r($instance_details, TRUE) .'</pre>');
    $this->fail('<pre>'. print_r(unserialize($instance_details->data), TRUE) .'</pre>');*/

    // Is field created?
    $this->assertRaw(t('Saved %label configuration', array('%label' => $name)), 'Field added');
    node_types_rebuild();
    menu_rebuild();

    // Create page form.
    $this->drupalGet('node/add/page');
    $field_name = 'field_' . $name;
    $this->assertField('edit-field-' . $name . '-und-0-title', 'Title found');
    $this->assertField('edit-field-' . $name . '-und-0-url', 'URL found');

    $edit = array(
      'title' => 'Simple Title',
      $field_name . '[und][0][url]' => 'edik:naw',
    );

    $this->drupalPost(NULL, $edit, t('Save'));
    $this->assertNoText(t('The value %value provided for %field is not a valid URL.', array(
      '%field' => $name,
      '%value' => 'edik:naw',
    )));
  }

  /**
   * Validate switching between validation status.
   *
   * Test if a bad url can sneak through un-filtered if we play with the
   * validation...
   */
  public function xTestLinkValidateSwitchingBetweenValidationStatus() {
    $this->acquireContentTypes(1);
    $this->web_user = $this->drupalCreateUser(array(
      'administer content types',
      'administer fields',
      'administer nodes',
      'access administration pages',
      'access content',
      'create ' . $this->content_types[0]->type . ' content',
      'edit any ' . $this->content_types[0]->type . ' content',
    ));
    $this->drupalLogin($this->web_user);
    variable_set('node_options_' . $this->content_types[0]->name, array(
      'status',
      'promote',
    ));
    $field_settings = array(
      'type' => 'link',
      'widget_type' => 'link',
      'type_name' => $this->content_types[0]->name,
      // <-- This is needed or we have an error.
      'attributes' => array(),
      'validate_url' => 0,
    );

    $field = $this->createField($field_settings, 0);

    $this->acquireNodes(2);

    $this->drupalGet('node/' . $this->nodes[0]->nid);

    $edit = array();
    $title = $this->randomName();
    $url = 'javascript:alert("http://example.com/' . $this->randomName() . '")';
    $edit[$field['field_name'] . '[0][url]'] = $url;
    $edit[$field['field_name'] . '[0][title]'] = $title;

    $this->drupalPost('node/' . $this->nodes[0]->nid . '/edit', $edit, t('Save'));
    // $this->pass($this->content);.
    // @codingStandardsIgnoreLine
    $this->assertNoText(t('The value %value provided for %field is not a valid URL.', array(
      // @codingStandardsIgnoreLine
      '%field' => $name,
      '%value' => trim($url),
    )));

    // Make sure we get a new version!
    $node = node_load($this->nodes[0]->nid, NULL, TRUE);
    $this->assertEqual($url, $node->{$field['field_name']}[0]['url']);

    $this->drupalGet('node/' . $node->nid);
    $this->assertNoRaw($url, 'Make sure Javascript does not display.');

    // Turn the array validation back _on_.
    $edit = array('validate_url' => TRUE);
    $node_type_link = str_replace('_', '-', $node->type);
    // @codingStandardsIgnoreLine
    // $this->drupalGet('admin/content/node-type/'. $node_type_link .'/fields'); ///'. $field['field_name']);
    // $this->fail($this->content);.
    $this->drupalPost('admin/content/node-type/' . $node_type_link . '/fields/' . $field['field_name'], $edit, t('Save field settings'));

    $this->drupalGet('node/' . $node->nid);
    // This actually works because the display_url goes through the core
    // url() function.  But we should have a test that makes sure it continues
    // to work.
    $this->assertNoRaw($url, 'Make sure Javascript does not display.');
    // $this->fail($this->content);.
  }

  /**
   * Validate that '<front>' is a valid url.
   */
  public function testLinkFrontUrl() {
    $this->linkTestValidateUrl('<front>');
  }

  /**
   * Validate that an internal url would be accepted.
   */
  public function testLinkInternalUrl() {
    // Create the content first.
    $node = $this->drupalCreateNode();

    $link = 'node/' . $node->nid;
    $this->linkTestValidateUrl($link);
    $type = link_url_type($link);
    $this->assertEqual(LINK_INTERNAL, $type, 'Test ' . $link . ' is an internal link.');
  }

  /**
   * Validate a simple mailto.
   */
  public function testLinkMailto() {
    $this->linkTestValidateUrl('mailto:jcfiala@gmail.com');
  }

  /**
   * Check link external https.
   */
  public function testLinkExternalHttps() {
    $this->linkTestValidateUrl('https://www.example.com/');
  }

  /**
   * Check link FTP.
   */
  public function testLinkFtp() {
    $this->linkTestValidateUrl('ftp://www.example.com/');
  }

}

/**
 * Validate Test News.
 */
class LinkValidateTestNews extends LinkValidateTestCase {

  /**
   * Get Info.
   */
  public static function getInfo() {
    return array(
      'name' => 'Link News Validation Tests',
      'description' => 'Tests the field validation for usenet urls.',
      'group' => 'Link',
    );
  }

  /**
   * Validate a news link to a message group.
   */
  public function testLinkNews() {
    $this->linkTestValidateUrl('news:comp.infosystems.www.misc');
  }

  /**
   * Validate a news link to a message id.  Said ID copied off of google groups.
   */
  public function testLinkNewsMessage() {
    $this->linkTestValidateUrl('news:hj0db8$vrm$1@news.eternal-september.org');
  }

}

/**
 * Validate Specific URL.
 */
class LinkValidateSpecificURL extends LinkValidateTestCase {

  /**
   * Get Info.
   */
  public static function getInfo() {
    return array(
      'name' => 'Link Specific URL Validation Tests',
      'description' => 'Tests field validation with unusual urls',
      'group' => 'Link',
    );
  }

  /**
   * Lets throw in a lot of umlouts for testing!
   */
  public function testUmloutUrl() {
    $this->linkTestValidateUrl('http://üÜü.exämple.com/nöde');
  }

  /**
   * Check umlout mailto.
   */
  public function testUmloutMailto() {
    $this->linkTestValidateUrl('mailto:Üser@exÅmple.com');
  }

  /**
   * Check German b in URL, aka Eszett.
   */
  public function testGermanEszettUrl() {
    $this->linkTestValidateUrl('http://www.test.com/ßstuff');
  }

  /**
   * Check Spanish ñ in URL.
   */
  public function testSpecialEneUrl() {
    $this->linkTestValidateUrl('http://www.testÑñ.com/');
  }

  /**
   * Curly brackets in query.
   */
  public function testCurlyBracketsInQuery() {
    $this->linkTestValidateUrl('http://www.healthyteennetwork.org/index.asp?Type=B_PR&SEC={2AE1D600-4FC6-4B4D-8822-F1D5F072ED7B}&DE={235FD1E7-208D-4363-9854-4E6775EB8A4C}');
  }

  /**
   * Here, we're testing that a very long url is stored properly in the db.
   *
   * Basically, trying to test http://drupal.org/node/376818
   */
  public function testLinkUrlFieldIsBig() {
    $long_url = 'http://th.wikipedia.org/wiki/%E0%B9%82%E0%B8%A3%E0%B8%87%E0%B9%80%E0%B8%A3%E0%B8%B5%E0%B8%A2%E0%B8%99%E0%B9%80%E0%B8%9A%E0%B8%8D%E0%B8%88%E0%B8%A1%E0%B8%A3%E0%B8%B2%E0%B8%8A%E0%B8%B9%E0%B8%97%E0%B8%B4%E0%B8%A8_%E0%B8%99%E0%B8%84%E0%B8%A3%E0%B8%A8%E0%B8%A3%E0%B8%B5%E0%B8%98%E0%B8%A3%E0%B8%A3%E0%B8%A1%E0%B8%A3%E0%B8%B2%E0%B8%8A';
    $this->linkTestValidateUrl($long_url);
  }

}

/**
 * Validate Url Light.
 *
 * A series of tests of links, only going against the link_validate_url function
 * in link.module.
 *
 * Validation is guided by the rules in http://tools.ietf.org/html/rfc1738 !
 */
class LinkValidateUrlLight extends DrupalWebTestCase {

  /**
   * Get Info.
   */
  public static function getInfo() {
    return array(
      'name' => 'Link Light Validation Tests',
      'description' => 'Tests the link_validate_url() function by itself, without invoking the full drupal/cck lifecycle.',
      'group' => 'Link',
    );
  }

  /**
   * {@inheritdoc}
   */
  public function setUp(array $modules = array()) {
    $modules[] = 'link';
    parent::setUp($modules);
  }

  /**
   * Name Link Type.
   *
   * Translates the LINK type constants to english for display and debugging of
   * tests.
   *
   * @codingStandardsIgnoreStart
   */
  public function name_Link_Type($type) {
    // @codingStandardsIgnoreEnd
    switch ($type) {
      case LINK_FRONT:
        return "Front";

      case LINK_EMAIL:
        return "Email";

      case LINK_TEL:
        return "Telephone";

      case LINK_NEWS:
        return "Newsgroup";

      case LINK_INTERNAL:
        return "Internal Link";

      case LINK_EXTERNAL:
        return "External Link";

      case FALSE:
        return "Invalid Link";

      default:
        return "Bad Value:" . $type;
    }
  }

  /**
   * Make sure that a link labeled <front> works.
   */
  public function testValidateFrontLink() {
    $valid = link_validate_url('<front>');
    $this->assertEqual(LINK_FRONT, $valid, 'Make sure that front link is verified and identified');
  }

  /**
   * Validate Email Link.
   */
  public function testValidateEmailLink() {
    $valid = link_validate_url('mailto:bob@example.com');
    $this->assertEqual(LINK_EMAIL, $valid, "Make sure a basic mailto is verified and identified");
  }

  /**
   * Validate Email Link Bad.
   */
  public function testValidateEmailLinkBad() {
    $valid = link_validate_url(':bob@example.com');
    $this->assertEqual(FALSE, $valid, 'Make sure just a bad address is correctly failed');
  }

  /**
   * Confirm that valid tel: links work as expected.
   */
  public function testValidateTelLinks() {
    $links = array(
      'tel:01',
      'tel:123456789012345',
      'tel:+123456789012345',
    );
    foreach ($links as $link) {
      $type = link_url_type($link);
      $this->assertEqual(LINK_TEL, $type, 'Test ' . $link . ' is a tel link.');
      $valid = link_validate_url($link);
      $this->assertTrue($valid, 'Test ' . $link . ' is valid tel link.');
    }
  }

  /**
   * Confirm that invalid tel: links work as expected.
   */
  public function testValidateTelLinksBad() {
    $links = array(
      'tel:0',
      'tel:1234567890123456',
      'tel:+1',
      'tel:+0123456789',
      'tel:+1234567890123456',
      ':12345678',
    );
    foreach ($links as $link) {
      $type = link_url_type($link);
      $this->assertFalse($type, 'Test ' . $link . ' is not a tel link.');
      $valid = link_validate_url($link);
      $this->assertFalse($valid, 'Test ' . $link . ' is not a valid tel link.');
    }
  }

  /**
   * Validate Newsgroup Link.
   */
  public function testValidateNewsgroupLink() {
    $valid = link_validate_url('news:comp.infosystems.www.misc');
    $this->assertEqual(LINK_NEWS, $valid, 'Make sure link to newsgroup validates as news.');
  }

  /**
   * Validate News Article Link.
   */
  public function testValidateNewsArticleLink() {
    $valid = link_validate_url('news:hj0db8$vrm$1@news.eternal-september.org');
    $this->assertEqual(LINK_NEWS, $valid, 'Make sure link to specific article validates as news.');
  }

  /**
   * Validate Bad Newsgroup Link.
   */
  public function testValidateBadNewsgroupLink() {
    $valid = link_validate_url('news:comp.bad_name.misc');
    $this->assertEqual(FALSE, $valid, 'newsgroup names can\'t contain underscores, so it should come back as invalid.');
  }

  /**
   * Validate Internal Links.
   */
  public function testValidateInternalLinks() {
    $tempfile = drupal_tempnam('public://files', 'test');
    $links = array(
      'rss.xml',
      'foo#bar',
      file_uri_target($tempfile),
      drupal_realpath($tempfile),
    );

    foreach ($links as $link) {
      $type = link_url_type($link);
      $this->assertEqual(LINK_INTERNAL, $type, 'Test ' . $link . ' is an internal link.');
      $valid = link_validate_url($link);
      $this->assertTrue($valid, 'Test ' . $link . ' is valid internal link.');
    }
  }

  /**
   * Validate External Links.
   */
  public function testValidateExternalLinks() {
    $links = array(
      'http://localhost:8080/',
      'www.example.com',
      'www.example.com/',
      'http://username:p%40ssw0rd!@www.example.com/',
      'http://@www.example.com/',
      'http://username:@www.example.com/',
      'http://username:password@www.example.com:8080/',
      'http://127.0.0.1:80/',
      'http://127.173.24.255:4723/',
      '127.173.24.255:4723/',
      'http://255.255.255.255:4823/',
      'www.test-site.com',
      'http://example.com/index.php?q=node/123',
      'http://example.com/?first_name=Joe Bob&last_name=Smith',
      // Anchors.
      'http://www.example.com/index.php#test',
      'http://www.example.com/index.php#this@that.',
      'http://www.example.com/index.php#',
      'http://www.cnn.com/video/#/video/politics/2008/12/09/intv.madeleine.albright.cnn',
      'http://www.archive.org/stream/aesopsfables00aesorich#page/n7/mode/2up',
      'http://www.example.com/blah/#this@that?',
    );

    // Test all of the protocols.
    $allowed_protocols = variable_get('filter_allowed_protocols', array(
      'http',
      'https',
      'ftp',
      'news',
      'nntp',
      'telnet',
      'mailto',
      'irc',
      'ssh',
      'sftp',
      'webcal',
    ));

    foreach ($allowed_protocols as $protocol) {
      if ($protocol !== 'news' && $protocol !== 'mailto') {
        $links[] = $protocol . '://www.example.com';
      }
    }
    foreach ($links as $link) {
      $type = link_url_type($link);
      $this->assertEqual(LINK_EXTERNAL, $type, 'Testing that ' . $link . ' is an external link.');
      $valid = link_validate_url($link);
      $this->assertTrue($valid, 'Test ' . $link . ' is valid external link.');
      // The following two lines are commented out and only used for
      // comparisons.
      // $valid2 = valid_url($link, TRUE);
      // $this->assertEqual(TRUE, $valid2, "Using valid_url() on $link.");.
    }
  }

  /**
   * Check Invalid External Links.
   */
  public function testInvalidExternalLinks() {
    $links = array(
      'http://www.ex ample.com/',
      // Bad ip!
      'http://25.0.0/',
      'http://4827.0.0.2/',
      // ß not allowed in domain names!
      'http://www.testß.com/',
      // Bad TLD.
      'http://.www.foo.bar./',
      // Domains can't have sections starting with a dash.
      // 'http://www.-fudge.com/',
      'http://example.com/index.php?page=this\that',
      'example@example.com',
    );
    foreach ($links as $link) {
      $valid = link_validate_url($link);
      $this->assertEqual(FALSE, $valid, 'Testing that ' . $link . ' is not a valid link.');
    }
  }

}
