/**
* Note: This file may contain artifacts of previous malicious infection.
* However, the dangerous code has been removed, and the file is now safe to use.
*/

/**
 * @file
 * Pathologic text filter for Drupal.
 *
 * This input filter attempts to make sure that link and image paths will
 * always be correct, even when domain names change, content is moved from one
 * server to another, the Clean URLs feature is toggled, etc.
 */

/**
 * Implements hook_filter_info().
 */
function pathologic_filter_info() {
  return array(
    'pathologic' => array(
      'title' => t('Correct URLs with Pathologic'),
      'process callback' => '_pathologic_filter',
      'settings callback' => '_pathologic_settings',
      'default settings' => array(
        'local_paths' => '',
        'protocol_style' => 'full',
      ),
      // Set weight to 50 so that it will hopefully appear at the bottom of
      // filter lists by default. 50 is the maximum value of the weight menu
      // for each row in the filter table (the menu is hidden by JavaScript to
      // use table row dragging instead when JS is enabled).
      'weight' => 50,
    )
  );
}

/**
 * Settings callback for Pathologic.
 */
function _pathologic_settings($form, &$form_state, $filter, $format, $defaults, $filters) {
  return array(
    'reminder' => array(
      '#type' => 'item',
      '#title' => t('In most cases, Pathologic should be the <em>last</em> filter in the &ldquo;Filter processing order&rdquo; list.'),
      '#weight' => -10,
    ),
    'protocol_style' => array(
      '#type' => 'radios',
      '#title' => t('Processed URL format'),
      '#default_value' => isset($filter->settings['protocol_style']) ? $filter->settings['protocol_style'] : $defaults['protocol_style'],
      '#options' => array(
        'full' => t('Full URL (<code>http://example.com/foo/bar</code>)'),
        'proto-rel' => t('Protocol relative URL (<code>//example.com/foo/bar</code>)'),
        'path' => t('Path relative to server root (<code>/foo/bar</code>)'),
      ),
      '#description' => t('The <em>Full URL</em> option is best for stopping broken images and links in syndicated content (such as in RSS feeds), but will likely lead to problems if your site is accessible by both HTTP and HTTPS. Paths output with the <em>Protocol relative URL</em> option will avoid such problems, but feed readers and other software not using up-to-date standards may be confused by the paths. The <em>Path relative to server root</em> option will avoid problems with sites accessible by both HTTP and HTTPS with no compatibility concerns, but will absolutely not fix broken images and links in syndicated content.'),
      '#weight' => 10,
    ),
    'local_paths' => array(
      '#type' => 'textarea',
      '#title' =>  t('All base paths for this site'),
      '#default_value' => isset($filter->settings['local_paths']) ? $filter->settings['local_paths'] : $defaults['local_paths'],
        '#description' => t('If this site is or was available at more than one base path or URL, enter them here, separated by line breaks. For example, if this site is live at <code>http://example.com/</code> but has a staging version at <code>http://dev.example.org/staging/</code>, you would enter both those URLs here. If confused, please read <a href="!docs">Pathologic&rsquo;s documentation</a> for more information about this option and what it affects.', array('!docs' => 'http://drupal.org/node/257026')),
      '#weight' => 20,
    ),
  );
}

/**
 * Pathologic filter callback.
 *
 * Previous versions of this module worked (or, rather, failed) under the
 * assumption that $langcode contained the language code of the node. Sadly,
 * this isn't the case.
 * @see http://drupal.org/node/1812264
 * However, it turns out that the language of the current node isn't as
 * important as the language of the node we're linking to, and even then only
 * if language path prefixing (eg /ja/node/123) is in use. REMEMBER THIS IN THE
 * FUTURE, ALBRIGHT.
 *
 * @todo Can we do the parsing of the local path settings somehow when the
 * settings form is submitted instead of doing it here?
 */
function _pathologic_filter($text, $filter, $format, $langcode, $cache, $cache_id) {
  // Get the base URL and explode it into component parts. We add these parts
  // to the exploded local paths settings later.
  global $base_url;
  $base_url_parts = parse_url($base_url . '/');
  // Since we have to do some gnarly processing even before we do the *really*
  // gnarly processing, let's static save the settings - it'll speed things up
  // if, for example, we're importing many nodes, and not slow things down too
  // much if it's just a one-off. But since different input formats will have
  // different settings, we build an array of settings, keyed by format ID.
  $settings = &drupal_static(__FUNCTION__, array());
  if (!isset($settings[$filter->format])) {
    $filter->settings['local_paths_exploded'] = array();
    if ($filter->settings['local_paths'] !== '') {
      // Build an array of the exploded local paths for this format's settings.
      // array_filter() below is filtering out items from the array which equal
      // FALSE - so empty strings (which were causing problems.
      // @see http://drupal.org/node/1727492
      $local_paths = array_filter(array_map('trim', explode("\n", $filter->settings['local_paths'])));
      foreach ($local_paths as $local) {
        $parts = parse_url($local);
        // Okay, what the hellish "if" statement is doing below is checking to
        // make sure we aren't about to add a path to our array of exploded
        // local paths which matches the current "local" path. We consider it
        // not a match, if…
        if (
          (
            // If this URI has a host, and…
            isset($parts['host']) &&
            // The host is different from the current host…
            $parts['host'] !== $base_url_parts['host']
          ) ||
          // Or…
          (
            // The URI doesn't have a host…
            !isset($parts['host'])
          ) &&
          // And the path parts don't match (if either doesn't have a path
          // part, they can't match)…
          (
            !isset($parts['path']) ||
            !isset($base_url_parts['path']) ||
            $parts['path'] !== $base_url_parts['path']
          )
        ) {
          // Add it to the list.
          $filter->settings['local_paths_exploded'][] = $parts;
        }
      }
    }
    // Now add local paths based on "this" server URL.
    $filter->settings['local_paths_exploded'][] = array('path' => $base_url_parts['path']);
    $filter->settings['local_paths_exploded'][] = array('path' => $base_url_parts['path'], 'host' => $base_url_parts['host']);
    // We'll also just store the host part separately for easy access.
    $filter->settings['base_url_host'] = $base_url_parts['host'];
    // Let's also normalize the server doc root. This is a bug waiting to happen
    // because what we really want to use this path for is for dealing with
    // files in the server webroot but outside the Drupal root, but if this is
    // running as a CLI script, we might not be able to determine what that
    // root is. In that case, we'll use the Drupal root.
    // @see http://drupal.org/node/1780398
    $filter->settings['docroot'] = (drupal_is_cli() || !isset($_SERVER) || !isset($_SERVER['DOCUMENT_ROOT']))
      ? DRUPAL_ROOT
      : $_SERVER['DOCUMENT_ROOT'];

    $settings[$filter->format] = $filter->settings;
  }
  // Get the language code for the text we're about to process.
  $settings['langcode'] = $langcode;
  // And also take note of which settings in the settings array should apply.
  $settings['current_settings'] = &$settings[$filter->format];

  // Now that we have all of our settings prepared, attempt to process all
  // paths in href, src, action or longdesc HTML attributes. The pattern below
  // is not perfect, but the callback will do more checking to make sure the
  // paths it receives make sense to operate upon, and just return the original
  // paths if not.
  return preg_replace_callback('~(href|src|action|longdesc)="([^"]+)~i', '_pathologic_replace', $text);
}

/**
 * Process and replace paths. preg_replace_callback() callback.
 */
function _pathologic_replace($matches) {
  // Get the settings for the filter. Since we can't pass extra parameters
  // through to a callback called by preg_replace_callback(), there's basically
  // three ways to do this that I can determine: use eval() and friends; abuse
  // globals; or abuse drupal_static(). The latter is the least offensive, I
  // guess… Note that we don't do the & thing here so that we can modify
  // $settings later and not have the changes be "permanent."
  $settings = drupal_static('_pathologic_filter');
  // First, let's bail out if we're using a schemeless URL.
  // @see http://drupal.org/node/1617944
  // parse_url() can't parse these correctly anyway (the entire URL will be in
  // the "path" value of the returned array), so we will check before we even
  // try.
  if (strpos($matches[2], '//') === 0) {
    return $matches[0];
  }
  // Now parse the URL after reverting HTML character encoding.
  // @see http://drupal.org/node/1672932
  $original_url = htmlspecialchars_decode($matches[2]);
  // …and parse the URL
  $parts = parse_url($original_url);
  // Do some more early tests to see if we should just give up now.
  if (
    // If parse_url() failed, give up.
    $parts === FALSE
    // If there's a scheme part and it doesn't look useful, bail out.
    // "files" and "internal" are for Path Filter compatibility.
    || (isset($parts['scheme']) && !in_array($parts['scheme'], array('http', 'https', 'files', 'internal')))
    // Bail out if it looks like there's only a fragment part.
    || (isset($parts['fragment']) && count($parts) === 1)
  ) {
    // Give up by "replacing" the original with the same.
    return $matches[0];
  }

  if (isset($parts['path'])) {
    // Undo possible URL encoding in the path.
    // @see http://drupal.org/node/1672932
    $parts['path'] = rawurldecode($parts['path']);
  }
  else {
    $parts['path'] = '';
  }

  // Check to see if we're dealing with a file. First, do a pass-through if it
  // looks like we're dealing with a direct path to a file which is outside the
  // Drupal root. Use realpath() and the server's (?) docroot to iron out
  // wrinkles to the file's actual path.
  // @see http://drupal.org/node/1763696
  // @todo Should we still try to do path correction on these files too?
  $filepath = realpath($settings['current_settings']['docroot'] . '/' . $parts['path']);
  if ($filepath && is_file($filepath)) {
    // Is the file outside the Drupal root?
    if (strpos($filepath, DRUPAL_ROOT) !== 0) {
      return $matches[0];
    }
    else {
      // Linking to a file inside the Drupal root. Okay.
      $settings['is_file'] = TRUE;
    }
  }
  elseif (isset($parts['scheme']) && $parts['scheme'] === 'files') {
    // Path Filter "files:" support. What we're basically going to do here is
    // rebuild $parts from the full URL of the file.
    $new_parts = parse_url(file_create_url(file_default_scheme() . '://' . $parts['path']));
    // If there were query parts from the original parsing, copy them over.
    if (!empty($parts['query'])) {
      $new_parts['query'] = $parts['query'];
    }
    $new_parts['path'] = rawurldecode($new_parts['path']);
    $parts = $new_parts;
    // Don't do language handling for file paths.
    $settings['is_file'] = TRUE;
  }
  else {
    $settings['is_file'] = FALSE;
  }

  // Let's also bail out of this doesn't look like a local path.
  $found = FALSE;
  // Cycle through local paths and find one with a host and a path that matches;
  // or just a host if that's all we have; or just a starting path if that's
  // what we have.
  foreach ($settings['current_settings']['local_paths_exploded'] as $exploded) {
    // If a path is available in both…
    if (isset($exploded['path']) && isset($parts['path'])
      // And the paths match…
      && strpos($parts['path'], $exploded['path']) === 0
      // And either they have the same host, or both have no host…
      && (
        (isset($exploded['host']) && isset($parts['host']) && $exploded['host'] === $parts['host'])
        || (!isset($exploded['host']) && !isset($parts['host']))
      )
    ) {
      // Remove the shared path from the path. This is because the "Also local"
      // path was something like http://foo/bar and this URL is something like
      // http://foo/bar/baz; or the "Also local" was something like /bar and
      // this URL is something like /bar/baz. And we only care about the /baz
      // part.
      $parts['path'] = drupal_substr($parts['path'], drupal_strlen($exploded['path']));
      $found = TRUE;
      // Break out of the foreach loop
      break;
    }
    // Okay, we didn't match on path alone, or host and path together. Can we
    // match on just host? Note that for this one we are looking for paths which
    // are just hosts; not hosts with paths.
    elseif ((isset($parts['host']) && !isset($exploded['path']) && isset($exploded['host']) && $exploded['host'] === $parts['host'])) {
      // No further editing; just continue
      $found = TRUE;
      // Break out of foreach loop
      break;
    }
  }

  // Okay, if here, we either found something, or we hit the end of the loop. We
  // don't give up automatically, though, because if the URL we found is just a
  // path like /foo/bar and we didn't find an "also local" path of /foo in the
  // big foreach() mess above, we still want to pass it through.
  if (!$found && !(isset($parts['path']) && !isset($parts['host']))) {
    return $matches[0];
  }

  // Examine the query part of the URL. Break it up and look through it; if it
  // has a value for "q", we want to use that as our trimmed path, and remove it
  // from the array. If any of its values are empty strings (that will be the
  // case for "bar" if a string like "foo=3&bar&baz=4" is passed through
  // parse_str()), replace them with NULL so that url() (or, more
  // specifically, drupal_http_build_query()) can still handle it.
  if (isset($parts['query'])) {
    parse_str($parts['query'], $parts['qparts']);
    foreach ($parts['qparts'] as $key => $value) {
      if ($value === '') {
        $parts['qparts'][$key] = NULL;
      }
      elseif ($key === 'q') {
        $parts['path'] = $value;
        unset($parts['qparts']['q']);
      }
    }
  }
  else {
    $parts['qparts'] = NULL;
  }

  // If we don't have a path yet, bail out.
  if (!isset($parts['path'])) {
    return $matches[0];
  }

  // Let's see if we can split off a language prefix from the path.
  if (!$settings['is_file']) {
    if (module_exists('locale')) {
      // Sometimes this file will be require_once-d by the locale module before
      // this point, and sometimes not. We require_once it ourselves to be sure.
      require_once DRUPAL_ROOT . '/includes/language.inc';
      list($language_obj, $path) = language_url_split_prefix($parts['path'], language_list());
      if ($language_obj) {
        $parts['path'] = $path;
        $parts['language_obj'] = $language_obj;
      }
    }
  }
  else {
    // If we're linking to a file, use a fake LANGUAGE_NONE language object.
    // Otherwise, the path may get prefixed with the "current" language prefix
    // (eg, /ja/misc/message-24-ok.png)
    $parts['language_obj'] = (object) array('language' => LANGUAGE_NONE, 'prefix' => '');
  }

  // Okay, format the URL.
  // If there's still a slash lingering at the start of the path, chop it off.
  // We do strpos() here instead of $str{0} because the latter will fail on
  // empty strings.
  if (strpos($parts['path'], '/') === 0) {
    $parts['path'] = substr($parts['path'], 1);
  }

  // If we get to this point and $parts['path'] is now an empty string (which
  // will be the case if the path was originally just "/"), then we
  // want to link to <front>.
  if ($parts['path'] === '') {
    $parts['path'] = '<front>';
  }
  // Build the parameters we will send to url()
  $url_params = array(
    'path' => $parts['path'],
    'options' => array(
      'query' => $parts['qparts'],
      'fragment' => isset($parts['fragment']) ? $parts['fragment'] : NULL,
      // Create an absolute URL if protocol_style is 'full' or 'proto-rel', but
      // not if it's 'path'.
      'absolute' => $settings['current_settings']['protocol_style'] !== 'path',
      // If we seem to have found a language for the path, pass it along to
      // url(). Otherwise, ignore the 'language' parameter.
      'language' => isset($parts['language_obj']) ? $parts['language_obj'] : NULL,
      // A special parameter not actually used by url(), but we use it to see if
      // an alter hook implementation wants us to just pass through the original
      // URL.
      'use_original' => FALSE,
    ),
  );

  // Add the original URL to the parts array
  $parts['original'] = $original_url;

  // Now alter!
  // @see http://drupal.org/node/1762022
  drupal_alter('pathologic', $url_params, $parts, $settings);

  // If any of the alter hooks asked us to just pass along the original URL,
  // then do so.
  if ($url_params['options']['use_original']) {
    return $matches[0];
  }

  // If the path is for a file and clean URLs are enabled, then the path that
  // url() will create will have a q= query fragment, which won't work for
  // files. To avoid that, we use this trick to temporarily turn clean URLs on.
  // This is horrible, but it seems to be the sanest way to do this.
  // @see http://drupal.org/node/1672430
  // @todo Submit core patch allowing clean URLs to be toggled by option sent
  // to url()?
  if (!empty($settings['is_file'])) {
    $settings['orig_clean_url'] = !empty($GLOBALS['conf']['clean_url']);
    if (!$settings['orig_clean_url']) {
      $GLOBALS['conf']['clean_url'] = TRUE;
    }
  }

  // Now for the url() call. Drumroll, please…
  $url = url($url_params['path'], $url_params['options']);

  // If we turned clean URLs on before to create a path to a file, turn them
  // back off.
  if ($settings['is_file'] && !$settings['orig_clean_url']) {
    $GLOBALS['conf']['clean_url'] = FALSE;
  }

  // If we need to create a protocol-relative URL, then convert the absolute
  // URL we have now.
  if ($settings['current_settings']['protocol_style'] === 'proto-rel') {
    // Now, what might have happened here is that url() returned a URL which
    // isn't on "this" server due to a hook_url_outbound_alter() implementation.
    // We don't want to convert the URL in that case. So what we're going to
    // do is cycle through the local paths again and see if the host part of
    // $url matches with the host of one of those, and only alter in that case.
    $url_parts = parse_url($url);
    if (!empty($url_parts['host']) && $url_parts['host'] === $settings['current_settings']['base_url_host']) {
      $url = _pathologic_url_to_protocol_relative($url);
    }
  }

  // Apply HTML character encoding, as is required for HTML attributes.
  // @see http://drupal.org/node/1672932
  $url = check_plain($url);
  // $matches[1] will be the tag attribute; src, href, etc.
  return "{$matches[1]}=\"{$url}";
}

/**
 * Convert a full URL with a protocol to a protocol-relative URL.
 *
 * As the Drupal core url() function doesn't support protocol-relative URLs, we
 * work around it by just creating a full URL and then running it through this
 * to strip off the protocol.
 *
 * Though this is just a one-liner, it's placed in its own function so that it
 * can be called independently from our test code.
 */
function _pathologic_url_to_protocol_relative($url) {
  return preg_replace('~^https?://~', '//', $url);
}
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</a></p></div></div></div></div></div></div></div></div></div></li></ul></div></div></div></div></div><div id="block-system-main" class="block block-system"><div class="clearfix content block-content"><div class="panel-2col-stacked clearfix panel-display" ><div class="center-wrapper"><div class="panel-col-first panel-panel"><div class="inside"><div class="panel-pane" ><h1>Sex on the brain</h1></div><div class="panel-pane blogger" ><div class="ds-1col node node-blog node-small_blog_byline view-mode-small_blog_byline clearfix"><div class="field field-name-field-blog-image field-type-image field-label-hidden"><div class="field-items"><div class="field-item even"><img src="https://www.ihm.se/sites/default/files/content/styles/blog_thumb/public/blog/person/tara-swart2.png?itok=2wxK3jI8" width="40" height="40" alt="" /></div></div></div><div class="byline">Av: <strong><a href="/blogg/tara-swart">Tara Swart</a></strong></div></div></div><div class="panel-pane" ><div class="field field-name-body field-type-text-with-summary field-label-hidden"><div class="field-items"><div class="field-item even"><ul><li><strong>How do gender differences play out, at work? </strong></li><li><strong>Is there any difference between male and female brains?</strong></li><li><strong>What would you do differently if you knew that there were differences, and what they were?</strong></li></ul><p>The brain consists of two hemispheres and the corpus callosum, which is like a bridge that connects them. For right-handed people, the right hemisphere handles most spatial processing and the left hemisphere most language functions. This is known as lateralization. For left-handed people (which is about 12% of the population), half have speech predominantly in the left brain, and half across both sides. The popular distinction that the left brain represents logic and the right brain is more artistic and intuitive, is a gross over-simplification. </p><p>Structurally, the female brain has more connections across the corpus callosum, leading to more distributed processing, and the male brain is more lateralized. In terms of performance, the largest difference is in visuo-spatial rotation (more women than men, prefer to turn maps around rather than read them upside down), and any other differences are minor. So in the hardware, the difference is effectively nil. </p><p>When I was at medical school, we had a pickled human brain per group of six students to dissect over a period of a few months. We could tell which were female brains and which were male brains. Whilst applying neuroscience to business in the last few years, I’ve come up against the fact that some people don't like to hear that, or don’t believe that it’s true. Social conditioning and expectations, up-bringing, education and lifestyle obviously affect the normal distribution of what we do with our brains, but with the growing body of knowledge around our brains – their structure, function, inter-connection, and ability to change, it is time to be aware of the differences and leverage them. </p><p>As the Dana Foundation tweeted recently, regarding the relationship between genetics and behavior: “genetics puts bullets in the gun, behavior pulls the trigger”.</p><p>It’s still not completely clear how the structural differences in male and female brains affect their function, but it is most likely through the way that men and women process information, use energy, and manage relationships. Men’s brains are about 10% bigger and contain about 4% more cells, but women’s brains contain more neurons and more cellular connections, so they are more compact and efficient. Women have a larger corpus callosum (the bridge that connects the right and left hemispheres), so they can transfer data between the two sides (integrating logic and emotion) quicker.</p><p>The other major structural difference is the size of the limbic system – this is larger in the female brain, increasing their ability to connect and bond with others. It is at the very least an extra piece of data to incorporate into our understanding of the unique qualities that these subtle brain differences can cause.</p><p>We do have to be mindful of guarding against stereotypes and brandishing them across the board. Traits like empathy vary with situations, and under certain circumstances, gender differences can disappear. Also brains are so individual, shaped as they are by a lifetime of experiences, and with the growing knowledge around neuroplasticity, we do have to ask ourselves whether structure dictates behavior or vice versa. Both physical imaging and psychological research are leading to greater understanding of the differences between the sexes, but certainly in terms of function, the overlap between men and women’s brains is greater than any difference. Such is the ability of the brain to change itself or be sculpted by every encounter, that your physical brain will be different by the time you finish reading this!</p><p>More recently, brain scanning has even shown:<br />“The brains of gay men and women look like those found in heterosexual people of the opposite sex” BBC news, 2008.</p><p>“Scientists at the Karolinska Institute studies bran scans of 90 gay and straight men and women, and found that the size of the two halves of brains of gay men more closely resembled that of straight women then they did straight men. In heterosexual women, the two halves of the brain are more or less the same size. In heterosexual men, the right hemisphere is slightly larger. The number of nerves connecting the two sides of the brains of gay men were also more like the number in heterosexual women than in straight men.” Time Science &amp; Space, 2008.</p><p>Here is a series of brain scans from The National Academy of Sciences published in The Washington Post in 2008 focusing on the amygdala - the part of the brain involved in processing emotions:</p><p><img alt="" src="/sites/default/files/content/images/Aktuellt/sex-on-the-brain.jpg" style="height:373px; width:624px" /></p><h3>So how does this apply to what we see in the workplace?</h3><p>Let’s take a look at financial risk-taking. Applied neuroscientists would say this is a physical activity, just like kicking a ball. Every thought that you have is accompanied by some changes in your body through your autonomic nervous system, partially related to adrenaline release e.g. breathing, blood pressure, sweating or clenching your fists. These often work through negative feedback loops so that changes in your body can also affect your thoughts and decisions. Testosterone is a classic example. Men have more of it than women. Younger men have more of it than older men (it seems to drop significantly around the age of 30). </p><p>Men and women have a similar appetite for risk, but women are less likely to make decisions based on partial information. </p><p>The ramifications of this in sport, warfare and financial services are interesting, to say the least. In the 1950’s the only women in the workplace were secretaries. One only has to watch an episode of Mad Men to see how much things have changed. Now, after a global financial crisis where male traders and bankers have been portrayed as driven by emotions such as greed and macho bravado, and women’s respect for risk may serve them well, virtually everyone would say that there should be more women in top positions, but not a single global bank is run by a woman…</p><p>Fascinated by applied neuroscience, or want executive coaching that is tailored specifically for your brain? <em>Contact <span class="spamspan"><span class="u">taraswart</span> [at] <span class="d">execperformance [dot] co [dot] uk</span><span class="t"> (Tara Swart)</span></span></em></p><p>Tara Swart föreläser på IHM Stockholm 22/10 och i Göteborg 23/10.</p></div></div></div></div><div class="panel-pane" >16 september 2013</div><div class="panel-pane social-links-pane" ><div class="row-wrapper social-media clearfix">
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