absolute_url.inc in Feeds Tamper 6

File

plugins/absolute_url.inc

<?php

/**
 * @file
 * Make URLs absolute.
 */
$plugin = array(
  'form' => 'feeds_tamper_absolute_url_form',
  'callback' => 'feeds_tamper_absolute_url_callback',
  'name' => 'Make URLs absolute',
  'category' => 'HTML',
);
function feeds_tamper_absolute_url_form($importer, $element_key, $settings) {
  $form = array();
  $links = htmlentities('<a href="/stuff/things"> to <a href="http://example.com/stuff/things">');
  $form['info'] = array(
    '#value' => t('Make URLs in markup absolute. (i.e. !links).', array(
      '!links' => $links,
    )),
  );
  return $form;
}
function feeds_tamper_absolute_url_callback($source, $item_key, $element_key, &$field, $settings) {
  static $dom;
  $b = parse_url($source->batch->link);
  if (!isset($dom)) {
    $dom = new DOMDocument();
  }
  $field = (string) $field;
  if (!$field) {
    return;
  }

  // Supress warnings for invalid HTML.
  $errors = libxml_use_internal_errors(TRUE);
  $entity_loader = libxml_disable_entity_loader(TRUE);
  $dom
    ->loadHTML($field);
  libxml_clear_errors();
  libxml_use_internal_errors($errors);
  libxml_disable_entity_loader($entity_loader);
  $urls = array();
  $tags = array(
    'a' => 'href',
    'img' => 'src',
    'iframe' => 'src',
    'script' => 'src',
    'object' => 'codebase',
    'link' => 'href',
    'applet' => 'code',
    'base' => 'href',
  );
  foreach ($tags as $tag => $attr) {
    foreach ($dom
      ->getElementsByTagName($tag) as $t) {
      $value = trim($t
        ->getAttribute($attr));
      _feeds_tamper_absolute_url($value, $urls, $b);
    }
  }
  $field = strtr($field, $urls);
}
function _feeds_tamper_absolute_url($r_url, &$urls, $b) {
  if (!strlen($r_url)) {
    return;
  }
  $r = parse_url($r_url);
  if ($r === FALSE) {
    return;
  }
  if (!empty($r['scheme']) || !empty($r['host'])) {
    return;
  }
  $r['scheme'] = $b['scheme'];
  unset($r['port']);
  unset($r['user']);
  unset($r['pass']);

  // Copy base authority.
  $r['host'] = $b['host'];
  if (isset($b['port'])) {
    $r['port'] = $b['port'];
  }
  if (isset($b['user'])) {
    $r['user'] = $b['user'];
  }
  if (isset($b['pass'])) {
    $r['pass'] = $b['pass'];
  }

  // If relative URL has no path, use base path
  if (empty($r['path'])) {
    if (!empty($b['path'])) {
      $r['path'] = $b['path'];
    }
    if (!isset($r['query']) && isset($b['query'])) {
      $r['query'] = $b['query'];
    }
    $urls[$r_url] = _feeds_tamper_join_url($r);
    return;
  }

  // If relative URL path doesn't start with /, merge with base path
  if (strpos($r['path'], '/') !== 0) {
    if (empty($b['path'])) {
      $b['path'] = '';
    }
    $r['path'] = $b['path'] . '/' . $r['path'];
  }
  $urls[$r_url] = _feeds_tamper_join_url($r);
}
function _feeds_tamper_join_url($parts) {
  $url = '';
  if (!empty($parts['scheme'])) {
    $url .= $parts['scheme'] . ':';
  }
  if (isset($parts['host'])) {
    $url .= '//';
    if (isset($parts['user'])) {
      $url .= $parts['user'];
      if (isset($parts['pass'])) {
        $url .= ':' . $parts['pass'];
      }
      $url .= '@';
    }
    if (preg_match('/!^[\\da-f]*:[\\da-f.:]+$!ui/', $parts['host'])) {
      $url .= '[' . $parts['host'] . ']';

      // IPv6
    }
    else {
      $url .= $parts['host'];
    }

    // IPv4 or name
    if (isset($parts['port'])) {
      $url .= ':' . $parts['port'];
    }
    if (!empty($parts['path']) && $parts['path'][0] != '/') {
      $url .= '/';
    }
  }
  if (!empty($parts['path'])) {
    $url .= $parts['path'];
  }
  if (isset($parts['query'])) {
    $url .= '?' . $parts['query'];
  }
  if (isset($parts['fragment'])) {
    $url .= '#' . $parts['fragment'];
  }
  return $url;
}

Functions

Name	Description
feeds_tamper_absolute_url_callback
feeds_tamper_absolute_url_form
_feeds_tamper_absolute_url
_feeds_tamper_join_url