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WikkaWiki action to redirect a page.
<?php
/**
* Redirect the user to another, existing, wiki page.
*
* Save to actions/redirect/redirect.php
*
* ACL for the page have precedence, therefore the user will not be redirected
* if he is not allowed to see the page. The redirect only occurs if the method is 'show'.
* Append 'redirect=no' as a param to the page URL to be not redirected.
*
* To indicate a temporary redirect, use 'temporary=yes' as an action param.
* The default type of redirect is 'Moved permanently'.
*
* @usage {{redirect target="SandBox"}}
* @usage {{redirect to="CategoryCategory"}}
* @usage {{redirect page="HomePage" [temporary="yes"] }}
* @package Actions
* @version $Id$
*
* @author NilsLindenberg
* @license http://www.gnu.org/copyleft/gpl.html GNU General Public License
* @filesource
*
* @input string $page mandatory: target wiki page [may substitute "target" or "to" for "page"]
* @input bool $temporary optional: indiacte a temporary redirect
*
* @uses Wakka::cleanUrl()
* @uses Wakka::existsPage
* @uses Wakka::GetSafeVar()
* @uses Wakka::Link()
* @uses Wakka::Redirect()
*
* @todo test
* @todo move i18n constants to language file
*/
// defaults
$headercode = "HTTP/1.0 301 Moved Permanently";
$redirect = TRUE;
$page = '';
$target = '';
// only redirect if we show the page
if('show' != $this->GetHandler())
{
$redirect = FALSE;
}
// do not redirect when 'redirect=no' is appended to the pages URL.
$stop_redirect = $this->GetSafeVar('redirect');
if(null != $stop_redirect)
{
$redirect = FALSE;
}
// getting params
if (is_array($vars))
{
foreach ($vars as $param => $value)
{
if ($param == 'target' || $param == 'to' || $param == 'page')
{
if ($this->existsPage($this->htmlspecialchars_ent($value))) $target = $value;
}
if ($param == 'temporary')
{
$headercode = "HTTP/1.0 302 Moved Temporarily";
}
}
}
$full_target = $this->Href('',$target, 'redirect=no');
$full_target = str_replace('&amp;', '&', $full_target); # workaround for Href masking & in urls
//the actual redirect
if($redirect && '' != $full_target)
{
header($headercode);
#$message = sprintf(T_("Redirected from %s."), $this->Link($this->GetPageTag()));
$message = sprintf(T_("Redirected from %s."), $this->GetPageTag());
$this->Redirect($full_target, $message);
}
// only display a link
else
{
if ('' != $target)
{
printf(T_("This page has been moved to %s."), $this->Link($target));
}
else
{
echo '<em class="error">'.T_("Invalid redirect. Target must be an existing wiki page.").'</em>';
}
}
?>
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