tags
$title = JString::trim(JString::trim(stripslashes(html_entity_decode(JString::trim($titleBits[1])))), '"');
}
else
{ // title is not linked
$titleBits = array();
preg_match('/(.*)()/iusU', $matches[1], $titleBits); // extract title-may still have tags
$title = str_replace('', '', $titleBits[1]);
$title = str_replace('
', '', $title);
$title = JString::trim(JString::trim(stripslashes(html_entity_decode(JString::trim($title)))), '"');
}
$result = str_replace('%%shTitle%%', $title, $result);
// restore possible additionnal articles
$articles = implode('', $otherArticles);
$matches[1] = (empty($articles) ? '' : $articles . ' ') . $matches[1];
$result = str_replace('%%shM1%%', $matches[1], $result);
$result = str_replace('%%shM2%%', $matches[2], $result);
$result = str_replace('class="contentpagetitle">', 'title="' . $title . '" class="contentpagetitle">', $result);
return $result;
}
function shDoRedirectOutboundLinksCallback($matches)
{
if (count($matches) != 2)
return empty($matches) ? '' : $matches[0];
if (strpos($matches[1], Sh404sefFactory::getPageInfo()->getDefaultFrontLiveSite()) === false)
{
$mask = 'getDefaultFrontLiveSite())) != $shPageInfo->getDefaultFrontLiveSite()
&& (substr($link, 0, 7) == 'http://' || substr($link, 0, 7) == 'https://')
&& (empty($shPageInfo->basePath) || substr($link, 0, strlen($shPageInfo->basePath)) != $shPageInfo->basePath)
&& strpos($link, 'pinterest.com') === false)
{
$mask = '%%shM1%%href="%%shM2%%" %%shM3%% >%%shM4%%
. '/components/com_sh404sef/images/' . $sefConfig->shImageForOutboundLinks . ')
';
$result = str_replace('%%shM1%%', $bits[0], $mask);
$result = str_replace('%%shM2%%', $link, $result);
$m3 = str_replace($sep . $link . $sep, '', str_replace('', '', $part2)); // remove link from part 2
$bits2 = explode('>', $m3);
$m3 = $bits2[0];
$result = str_replace('%%shM3%%', $m3, $result);
array_shift($bits2); // remove first bit
$m4 = implode($bits2, '>');
$result = str_replace('%%shM4%%', $m4, $result);
$m5 = strip_tags($m4);
$result = str_replace('%%shM5%%', $m5, $result);
}
else
{
$result = $matches[0];
}
return $result;
}
function shGetCustomMetaData($nonSef)
{
static $_tags;
if (is_null($_tags))
{
$_tags = JTable::getInstance('metas', 'Sh404sefTable');
// now read manually setup tags
try
{
$data = ShlDbHelper::selectObject('#__sh404sef_metas', '*', array('newurl' => $nonSef));
}
catch (Exception $e)
{
ShlSystem_Log::error('sh404sef', '%s::%s::%d: %s', __CLASS__, __METHOD__, __LINE__, $e->getMessage());
}
if (!empty($data))
{
$_tags->bind($data);
}
}
return $_tags;
}
function shGetCurrentNonSef()
{
// remove Google tracking vars, would prevent us to find the correct meta tags
$nonSef = Sh404sefHelperUrl::stripTrackingVarsFromNonSef(Sh404sefFactory::getPageInfo()->currentNonSefUrl);
// Virtuemart hack
// VM 2.x actually sets JRequest variables to communicate between view.html.php and layouts!
// so the current non-sef url is modified (showall=1 is added) which prevent
// all meta data associated with this non-sef to be properly retrieved
$isVm = Sh404sefHelperUrl::getUrlVar($nonSef, 'option', null) == 'com_virtuemart';
$isProductDetails = $isVm && Sh404sefHelperUrl::getUrlVar($nonSef, 'view', null) == 'productdetails';
if ($isProductDetails)
{
$nonSef = str_replace('&showall=1', '', $nonSef);
}
// normalize, set variables in alpha order
return Sh404sefHelperUrl::sortUrl($nonSef);
}
function shDoTitleTags(&$buffer)
{
// Replace TITLE and DESCRIPTION and KEYWORDS
if (empty($buffer))
return;
global $shCustomTitleTag, $shCustomDescriptionTag, $shCustomKeywordsTag, $shCustomRobotsTag, $shCustomLangTag, $shCanonicalTag;
$database = ShlDbHelper::getDb();
$shPageInfo = &Sh404sefFactory::getPageInfo();
$sefConfig = &Sh404sefFactory::getConfig();
$document = JFactory::getDocument();
$headData = $document->getHeadData();
// V 1.2.4.t protect against error if using shCustomtags without sh404SEF activated
// this should not happen, so we simply do nothing
if (!isset($sefConfig) || empty($shPageInfo->currentNonSefUrl))
{
return;
}
// check if there is a manually created set of tags from tags file
// need to get them from DB
if ($sefConfig->shMetaManagementActivated)
{
shIncludeMetaPlugin();
// is this homepage ? set flag for future use
// V 1.2.4.t make sure we have lang info and properly sorted params
if (!preg_match('/(&|\?)lang=[a-zA-Z]{2,3}/iuU', $shPageInfo->currentNonSefUrl))
{
// no lang string, let's add default
$shTemp = explode('-', $shPageInfo->currentLanguageTag);
$shLangTemp = $shTemp[0] ? $shTemp[0] : 'en';
$shPageInfo->currentNonSefUrl .= '&lang=' . $shLangTemp;
}
$nonSef = shGetCurrentNonSef();
$isHome = $nonSef == Sh404sefHelperUrl::sortUrl(shCleanUpAnchor(Sh404sefFactory::getPageInfo()->homeLink));
$shCustomTags = shGetCustomMetaData($isHome ? sh404SEF_HOMEPAGE_CODE : $nonSef);
// J! 2.5 finder canonical handling/hack
$highlight = Sh404sefHelperUrl::getUrlVar($nonSef, 'highlight', null);
if (!empty($highlight) && empty($shCanonicalTag))
{
$searchCanoNonSef = str_replace('?highlight=' . $highlight, '', $nonSef);
$searchCanoNonSef = str_replace('&highlight=' . $highlight, '', $searchCanoNonSef);
$shCanonicalTag = JRoute::_($searchCanoNonSef);
}
// splash page hack
$splash = Sh404sefHelperUrl::getUrlVar($nonSef, 'sh404sef_splash', null);
if (!empty($splash) && empty($shCanonicalTag))
{
$shCanonicalTag = $sefConfig->shForcedHomePage;
}
// group new tags insertion, better perf
$tagsToInsert = '';
if (!empty($shCustomTags))
{
$shCustomTitleTag = !empty($shCustomTags->metatitle) ? $shCustomTags->metatitle : $shCustomTitleTag;
$shCustomDescriptionTag = !empty($shCustomTags->metadesc) ? $shCustomTags->metadesc : $shCustomDescriptionTag;
$shCustomKeywordsTag = !empty($shCustomTags->metakey) ? $shCustomTags->metakey : $shCustomKeywordsTag;
$shCustomRobotsTag = !empty($shCustomTags->metarobots) ? $shCustomTags->metarobots : $shCustomRobotsTag;
$shCustomLangTag = !empty($shCustomTags->metalang) ? $shCustomTags->metalang : $shCustomLangTag;
$shCanonicalTag = !empty($shCustomTags->canonical) ? $shCustomTags->canonical : $shCanonicalTag;
}
// then insert them in page
if (empty($shCustomTitleTag))
{
$shCustomTitleTag = $document->getTitle();
}
if (!empty($shCustomTitleTag))
{
$prepend = $isHome ? '' : $sefConfig->prependToPageTitle;
$append = $isHome ? '' : $sefConfig->appendToPageTitle;
$shPageInfo->pageTitle = htmlspecialchars(shCleanUpTitle($prepend . $shCustomTitleTag . $append), ENT_COMPAT, 'UTF-8');
$shPageInfo->pageTitlePr = shProtectPageTitle($shPageInfo->pageTitle);
$buffer = ShlSystem_Strings::pr('/\<\s*title\s*\>.*\<\s*\/title\s*\>/isuU', '' . $shPageInfo->pageTitlePr . ' ', $buffer);
$buffer = ShlSystem_Strings::pr('/\<\s*meta\s+name\s*=\s*"title.*\/\>/isuU', '', $buffer); // remove any title meta
}
if (!is_null($shCustomDescriptionTag))
{
$t = htmlspecialchars(shCleanUpDesc($shCustomDescriptionTag), ENT_COMPAT, 'UTF-8');
$shPageInfo->pageDescription = ShlSystem_Strings::pr('#\$([0-9]*)#u', '\\\$${1}', $t);
if (strpos($buffer, '/isUu',
'', $buffer);
}
else
{
$tagsToInsert .= "\n" . '';
}
}
else
{
// read Joomla! description if none set by us
if (empty($shPageInfo->pageDescription))
{
$shPageInfo->pageDescription = empty($headData['description']) ? ''
: htmlspecialchars(shCleanUpDesc($headData['description']), ENT_COMPAT, 'UTF-8');
}
}
if (!is_null($shCustomKeywordsTag))
{
$t = htmlspecialchars(shCleanUpDesc($shCustomKeywordsTag), ENT_COMPAT, 'UTF-8');
$shPageInfo->pageKeywords = ShlSystem_Strings::pr('#\$([0-9]*)#u', '\\\$${1}', $t);
if (strpos($buffer, '/isUu',
'', $buffer);
}
else
{
$tagsToInsert .= "\n" . '';
}
}
else
{
// read Joomla! description if none set by us
if (empty($shPageInfo->pageKeywords))
{
$shPageInfo->pageKeywords = empty($headData['metaTags']['standard']['keywords']) ? ''
: htmlspecialchars(shCleanUpDesc($headData['metaTags']['standard']['keywords']), ENT_COMPAT, 'UTF-8');
}
}
if (!is_null($shCustomRobotsTag))
{
$shPageInfo->pageRobotsTag = $shCustomRobotsTag;
if (strpos($buffer, '/isUu',
'', $buffer);
}
else if (!empty($shCustomRobotsTag))
{
$tagsToInsert .= "\n" . '';
}
}
else
{
// read Joomla! description if none set by us
if (empty($shPageInfo->pageRobotsTag))
{
$shPageInfo->pageRobotsTag = empty($headData['metaTags']['standard']['robots']) ? ''
: htmlspecialchars(shCleanUpDesc($headData['metaTags']['standard']['robots']), ENT_COMPAT, 'UTF-8');
}
}
if (!is_null($shCustomLangTag))
{
$shLang = $shCustomLangTag;
$shPageInfo->pageLangTag = $shCustomLangTag;
if (strpos($buffer, '/isUu',
'', $buffer);
}
else
{
$tagsToInsert .= "\n" . '';
}
}
// custom handling of canonical
$canonicalPattern = '/\<\s*link[^>]+rel\s*=\s*"canonical[^>]+\/\>/isUu';
$matches = array();
$canonicalCount = preg_match_all($canonicalPattern, $buffer, $matches);
// more than one canonical already: kill them all
if ($canonicalCount > 1 && Sh404sefFactory::getConfig()->removeOtherCanonicals)
{
$buffer = ShlSystem_Strings::pr($canonicalPattern, '', $buffer);
$canonicalCount = 0;
}
// more than one and J3: must be the one inserted by J3 SEF plugin
if ($canonicalCount > 0 && Sh404sefFactory::getConfig()->removeOtherCanonicals && version_compare(JVERSION, '3.0', 'ge'))
{
// kill it, if asked to
$buffer = ShlSystem_Strings::pr($canonicalPattern, '', $buffer);
$canonicalCount = 0;
}
// make sure canonical is absolute, to avoid users complaining despite links being totally fine see #342
if(!empty($shCanonicalTag) && substr($shCanonicalTag, 0, 1) == '/')
{
$basePath = Juri::base(true);
$baseFull = JUri::base(false);
$shCanonicalTag = trim($baseFull, '/') . str_replace($basePath, '', $shCanonicalTag);
}
// if there' a custom canonical for that page, insert it, or replace any existing ones
if (!empty($shCanonicalTag) && $canonicalCount == 0)
{
// insert a new canonical
$tagsToInsert .= "\n" . '' . "\n";
}
else if (!empty($shCanonicalTag))
{
// replace existing canonical
$buffer = ShlSystem_Strings::pr($canonicalPattern,
'', $buffer);
}
// insert all tags in one go
if (!empty($tagsToInsert))
{
$buffer = shInsertCustomTagInBuffer($buffer, '', 'after', $tagsToInsert, 'first');
}
// remove Generator tag
if ($sefConfig->shRemoveGeneratorTag)
{
$buffer = ShlSystem_Strings::pr('/ tags around content elements titles
if ($sefConfig->shPutH1Tags)
{
if (strpos($buffer, 'class="componentheading') !== false)
{
$buffer = ShlSystem_Strings::pr('/$2
', $buffer);
$buffer = ShlSystem_Strings::pr('/$2
$2
') > 1)
{
$buffer = str_replace('', '', $buffer);
$buffer = str_replace('', '', $buffer);
$buffer = str_replace('
', '
', $buffer);
$buffer = str_replace('
', '', $buffer);
}
// V 1.3.1 : replace outbounds links by internal redirects
if (sh404SEF_REDIRECT_OUTBOUND_LINKS)
{
$tmp = preg_replace_callback('/<\s*a\s*href\s*=\s*"(.*)"/isUu', 'shDoRedirectOutboundLinksCallback', $buffer);
if (empty($tmp))
{
ShlSystem_Log::error('shlib', '%s::%s::%d: %s', __CLASS__, __METHOD__, __LINE__,
'RegExp failed: invalid character on page ' . Sh404sefFactory::getPageInfo()->currentSefUrl);
}
else
{
$buffer = $tmp;
}
}
// V 1.3.1 : add symbol to outbounds links
if ($sefConfig->shInsertOutboundLinksImage)
{
$tmp = preg_replace_callback("/<\s*a\s*href\s*=\s*(\"|').*(\"|')\s*>.*<\/a>/isUu", 'shDoInsertOutboundLinksImageCallback', $buffer);
if (empty($tmp))
{
ShlSystem_Log::error('shlib', '%s::%s::%d: %s', __CLASS__, __METHOD__, __LINE__,
'RegExp failed: invalid character on page ' . Sh404sefFactory::getPageInfo()->currentSefUrl);
}
else
{
$buffer = $tmp;
}
}
// all done
return $buffer;
}
}
function shDoAnalytics(&$buffer)
{
// get sh404sef config
$config = &Sh404sefFactory::getConfig();
// check if set to insert snippet
if (!Sh404sefHelperAnalytics::isEnabled())
{
return;
}
// calculate params
$className = 'Sh404sefAdapterAnalytics' . strtolower($config->analyticsType);
$handler = new $className();
// do insert
$snippet = $handler->getSnippet();
if (empty($snippet))
{
return;
}
// use page rewrite utility function to insert as needed
if ($config->analyticsEdition != 'gtm')
{
$buffer = shInsertCustomTagInBuffer($buffer, '', 'before', $snippet, $firstOnly = 'first');
}
else
{
$buffer = shPregInsertCustomTagInBuffer($buffer, '<\s*body[^>]*>', 'after', $snippet, $firstOnly = 'first');
}
}
function shDoSocialButtons(&$buffer)
{
// get sh404sef config
$sefConfig = &Sh404sefFactory::getConfig();
// fire event so that social plugin can attach required external js
$dispatcher = ShlSystem_factory::dispatcher();
$dispatcher->trigger('onSh404sefInsertFBJavascriptSDK', array(&$buffer, $sefConfig));
// fire event so that social plugin can attach required external js and css
$dispatcher->trigger('onSh404sefInsertSocialButtons', array(&$buffer, $sefConfig));
}
function shDoSocialAnalytics(&$buffer)
{
// get sh404sef config
$sefConfig = &Sh404sefFactory::getConfig();
// check if set to insert snippet
if (!Sh404sefHelperAnalytics::isEnabled())
{
return;
}
// fire event so that social plugin can attach required external js
$dispatcher = ShlSystem_factory::dispatcher();
$dispatcher->trigger('onSh404sefInsertFBJavascriptSDK', array(&$buffer, $sefConfig));
}
function shDoShURL(&$buffer)
{
// get sh404sef config
$sefConfig = &Sh404sefFactory::getConfig();
// check if shURLs are enabled
if (!$sefConfig->Enabled || !$sefConfig->enablePageId)
{
return;
}
// get current page information
$shPageInfo = &Sh404sefFactory::getPageInfo();
// insert shURL if tag found, except if editing item on frontend
if (strpos($buffer, '{sh404sef_pageid}') !== false || strpos($buffer, '{sh404sef_shurl}') !== false)
{
// pull out contents of editor to prevent URL changes inside edit area
//$editor =JFactory::getEditor();
//$regex = '#'.$editor->_tagForSEF['start'].'(.*)'.$editor->_tagForSEF['end'].'#Us';
//preg_match_all($regex, $buffer, $editContents, PREG_PATTERN_ORDER);
// create an array to hold the placeholder text (in case there are more than one editor areas)
//$placeholders = array();
//for ($i = 0; $i < count($editContents[0]); $i++) {
// $placeholders[] = $editor->_tagForSEF['start'].$i.$editor->_tagForSEF['end'];
//}
// replace editor contents with placeholder text
//$buffer = str_replace($editContents[0], $placeholders, $buffer);
$buffer = str_replace(array('{sh404sef_pageid}', '{sh404sef_shurl}'), $shPageInfo->shURL, $buffer);
// restore the editor contents
//$buffer = str_replace($placeholders, $editContents[0], $buffer);
}
}
function shInsertOpenGraphData(&$buffer)
{
// get sh404sef config
$sefConfig = &Sh404sefFactory::getConfig();
$pageInfo = &Sh404sefFactory::getPageInfo();
if (empty($sefConfig->shMetaManagementActivated) || !isset($sefConfig) || empty($pageInfo->currentNonSefUrl)
|| (!empty($pageInfo->httpStatus) && $pageInfo->httpStatus == 404))
{
return;
}
$nonSef = shGetCurrentNonSef();
$customData = shGetCustomMetaData($nonSef);
// user can disable per url
if ($customData->og_enable == SH404SEF_OPTION_VALUE_NO
|| (empty($sefConfig->enableOpenGraphData) && $customData->og_enable == SH404SEF_OPTION_VALUE_USE_DEFAULT))
{
return;
}
$openGraphData = '';
$ogNameSpace = '';
$fbNameSpace = '';
// add locale - FB use underscore in language tags
$locale = str_replace('-', '_', JFactory::getLanguage()->getTag());
$openGraphData .= "\n" . ' ';
// insert title
if (!empty($pageInfo->pageTitle))
{
$openGraphData .= "\n" . ' ';
}
// insert description
if ((($sefConfig->ogEnableDescription && $customData->og_enable_description == SH404SEF_OPTION_VALUE_USE_DEFAULT)
|| $customData->og_enable_description == SH404SEF_OPTION_VALUE_YES) && !empty($pageInfo->pageDescription))
{
$openGraphData .= "\n" . ' ';
}
// insert type
$content = $customData->og_type == SH404SEF_OPTION_VALUE_USE_DEFAULT ? $sefConfig->ogType : $customData->og_type;
if (!empty($content))
{
$openGraphData .= "\n" . ' ';
}
// insert url. If any, we insert the canonical url rather than current, to consolidate
$content = empty($pageInfo->pageCanonicalUrl) ? $pageInfo->currentSefUrl : $pageInfo->pageCanonicalUrl;
$content = Sh404sefHelperUrl::stripTrackingVarsFromSef($content);
$openGraphData .= "\n" . ' ';
// insert image
$content = empty($customData->og_image) ? $sefConfig->ogImage : $customData->og_image;
if (!empty($content))
{
$content = JURI::root(false, '') . JString::ltrim($content, '/');
$openGraphData .= "\n" . ' ';
}
// insert site name
if (($sefConfig->ogEnableSiteName && $customData->og_enable_site_name == SH404SEF_OPTION_VALUE_USE_DEFAULT)
|| $customData->og_enable_site_name == SH404SEF_OPTION_VALUE_YES)
{
$content = empty($customData->og_site_name) ? $sefConfig->ogSiteName : $customData->og_site_name;
$content = empty($content) ? JFactory::getApplication()->getCfg('sitename') : $content;
if (!empty($content))
{
$content = htmlspecialchars(shCleanUpDesc($content), ENT_COMPAT, 'UTF-8');
$openGraphData .= "\n" . ' ';
}
}
// insert location
// disabled: Facebook removed all of that after reducing number of object types to bare minimum
if (false
&& (($sefConfig->ogEnableLocation && $customData->og_enable_location == SH404SEF_OPTION_VALUE_USE_DEFAULT)
|| $customData->og_enable_location == SH404SEF_OPTION_VALUE_YES))
{
$content = empty($customData->og_latitude) ? $sefConfig->ogLatitude : $customData->og_latitude;
if (!empty($content))
{
$content = htmlspecialchars(shCleanUpDesc($content), ENT_COMPAT, 'UTF-8');
$openGraphData .= "\n" . ' ';
}
$content = empty($customData->og_longitude) ? $sefConfig->ogLongitude : $customData->og_longitude;
if (!empty($content))
{
$content = htmlspecialchars(shCleanUpDesc($content), ENT_COMPAT, 'UTF-8');
$openGraphData .= "\n" . ' ';
}
$content = empty($customData->og_street_address) ? $sefConfig->ogStreetAddress : $customData->og_street_address;
if (!empty($content))
{
$content = htmlspecialchars(shCleanUpDesc($content), ENT_COMPAT, 'UTF-8');
$openGraphData .= "\n" . ' ';
}
$content = empty($customData->og_locality) ? $sefConfig->ogLocality : $customData->og_locality;
if (!empty($content))
{
$content = htmlspecialchars(shCleanUpDesc($content), ENT_COMPAT, 'UTF-8');
$openGraphData .= "\n" . ' ';
}
$content = empty($customData->og_postal_code) ? $sefConfig->ogPostalCode : $customData->og_postal_code;
if (!empty($content))
{
$content = htmlspecialchars(shCleanUpDesc($content), ENT_COMPAT, 'UTF-8');
$openGraphData .= "\n" . ' ';
}
$content = empty($customData->og_region) ? $sefConfig->ogRegion : $customData->og_region;
if (!empty($content))
{
$content = htmlspecialchars(shCleanUpDesc($content), ENT_COMPAT, 'UTF-8');
$openGraphData .= "\n" . ' ';
}
$content = empty($customData->og_country_name) ? $sefConfig->ogCountryName : $customData->og_country_name;
if (!empty($content))
{
$content = htmlspecialchars(shCleanUpDesc($content), ENT_COMPAT, 'UTF-8');
$openGraphData .= "\n" . ' ';
}
}
// insert contact
// disabled: Facebook removed all of that after reducing number of object types to bare minimum
if (false
&& (($sefConfig->ogEnableContact && $customData->og_enable_contact == SH404SEF_OPTION_VALUE_USE_DEFAULT)
|| $customData->og_enable_contact == SH404SEF_OPTION_VALUE_YES))
{
$content = empty($customData->og_email) ? $sefConfig->ogEmail : $customData->og_email;
if (!empty($content))
{
$content = htmlspecialchars(shCleanUpDesc($content), ENT_COMPAT, 'UTF-8');
$openGraphData .= "\n" . ' ';
}
$content = empty($customData->og_phone_number) ? $sefConfig->ogPhoneNumber : $customData->og_phone_number;
if (!empty($content))
{
$content = htmlspecialchars(shCleanUpDesc($content), ENT_COMPAT, 'UTF-8');
$openGraphData .= "\n" . ' ';
}
$content = empty($customData->og_fax_number) ? $sefConfig->ogFaxNumber : $customData->og_fax_number;
if (!empty($content))
{
$content = htmlspecialchars(shCleanUpDesc($content), ENT_COMPAT, 'UTF-8');
$openGraphData .= "\n" . ' ';
}
}
if (!empty($openGraphData))
{
$ogNameSpace = 'xmlns:og="http://ogp.me/ns#"';
}
// insert fb admin id
if ((!empty($sefConfig->fbAdminIds) && $customData->og_enable_fb_admin_ids == SH404SEF_OPTION_VALUE_USE_DEFAULT)
|| $customData->og_enable_fb_admin_ids == SH404SEF_OPTION_VALUE_YES)
{
$content = empty($customData->fb_admin_ids) ? $sefConfig->fbAdminIds : $customData->fb_admin_ids;
if ($customData->og_enable_fb_admin_ids != SH404SEF_OPTION_VALUE_NO && !empty($content))
{
$openGraphData .= "\n" . ' ';
$fbNameSpace = 'xmlns:fb="https://www.facebook.com/2008/fbml"';
}
}
// actually insert the tags
if (!empty($openGraphData))
{
$buffer = shInsertCustomTagInBuffer($buffer, '', 'after', $openGraphData, 'first');
}
if (!empty($fbNameSpace) || !empty($ogNameSpace))
{
// insert as well namespaces
$buffer = str_replace('') === false)
{
return;
}
// get sh404sef config
$sefConfig = Sh404sefFactory::getConfig();
$pageInfo = Sh404sefFactory::getPageInfo();
if (empty($sefConfig->shMetaManagementActivated) || !isset($sefConfig) || empty($pageInfo->currentNonSefUrl)
|| (!empty($pageInfo->httpStatus) && $pageInfo->httpStatus == 404))
{
return;
}
$nonSef = shGetCurrentNonSef();
$customData = shGetCustomMetaData($nonSef);
// user can disable per url
if (isset($customData->google_authorship_enable) && $customData->google_authorship_enable == SH404SEF_OPTION_VALUE_NO
|| (empty($sefConfig->enableGoogleAuthorship)
&& (!isset($customData->google_authorship_enable) || $customData->google_authorship_enable == SH404SEF_OPTION_VALUE_USE_DEFAULT)))
{
return;
}
// figure out if we should insert authorship info: only on article page
if (!shShouldInsertMeta($input = null, $sefConfig->googleAuthorshipCategories))
{
return;
}
// site
$authorUrl = empty($customData->google_authorship_author_profile) ? $sefConfig->googleAuthorshipAuthorProfile
: $customData->google_authorship_author_profile;
$authorUrl = JString::trim($authorUrl, '/');
$authorName = empty($customData->google_authorship_author_name) ? $sefConfig->googleAuthorshipAuthorName
: $customData->google_authorship_author_name;
if (empty($authorUrl) || empty($authorName))
{
return;
}
$authorUrl = 'https://plus.google.com/' . htmlspecialchars($authorUrl, ENT_COMPAT, 'UTF-8') . '?rel=author';
$authorName = htmlspecialchars($authorName, ENT_COMPAT, 'UTF-8');
$googleAuthorshipData = JText::sprintf('COM_CONTENT_WRITTEN_BY', JHtml::_('link', $authorUrl, $authorName));
// actually insert the tags
if (!empty($googleAuthorshipData))
{
$buffer = ShlSystem_Strings::pr('#\.*\<\/dd\>#iUsu',
'' . $googleAuthorshipData . ' ', $buffer);
}
}
function shInsertGooglePublisherData(&$buffer)
{
// don't insert head link to publisher page if there's
// already a visible badge (see sh404sef core social plugin
if(strpos( $buffer, 'rel=\'publisher\'') !== false)
{
return;
}
// get sh404sef config
$sefConfig = Sh404sefFactory::getConfig();
$pageInfo = Sh404sefFactory::getPageInfo();
if (empty($sefConfig->shMetaManagementActivated) || !isset($sefConfig) || empty($pageInfo->currentNonSefUrl)
|| (!empty($pageInfo->httpStatus) && $pageInfo->httpStatus == 404))
{
return;
}
$nonSef = shGetCurrentNonSef();
$customData = shGetCustomMetaData($nonSef);
// user can disable per url
if (isset($customData->google_publisher_enable) && $customData->google_publisher_enable == SH404SEF_OPTION_VALUE_NO
|| (empty($sefConfig->enableGooglePublisher)
&& (!isset($customData->google_publisher_enable) || $customData->google_publisher_enable == SH404SEF_OPTION_VALUE_USE_DEFAULT)))
{
return;
}
// site
$publisherUrl = empty($customData->google_publisher_url) ? $sefConfig->googlePublisherUrl
: $customData->google_publisher_url;
$publisherUrl = JString::trim($publisherUrl, '/');
if (empty($publisherUrl))
{
return;
}
$publisherUrl = 'https://plus.google.com/' . htmlspecialchars($publisherUrl, ENT_COMPAT, 'UTF-8');
$publisherTag = sprintf( ' ' , $publisherUrl);
// actually insert the tags
if (!empty($publisherTag))
{
$buffer = shInsertCustomTagInBuffer($buffer, '', 'after', "\n" . $publisherTag . "\n", 'first');
}
}
function shShouldInsertMeta($input = null, $categories = array())
{
$input = empty($input) ? JFactory::getApplication()->input : $input;
$shouldInsertMeta = false;
// get request details
$component = $input->getCmd('option');
$view = $input->getCmd('view');
$printing = $input->getInt('print');
// we are set to only display on canonical page for an item
// this can only be true if context and current request matches
if (empty($component) && empty($view))
{
return false;
}
switch ($component)
{
case 'com_content':
// only display if on an article page
$shouldInsertMeta = ($view == 'article' || $view == 'featured') && empty($printing);
// check category
if ($shouldInsertMeta)
{
if (!empty($categories) && ($categories[0] != 'show_on_all'))
{
// find about article category
$catid = $input->getInt('catid', 0);
if (empty($catid))
{
$id = $input->getInt('id', 0);
if ($id)
{
$article = JTable::getInstance('content');
$article->load($id);
$catid = $article->catid;
}
}
if (!empty($catid))
{
$shouldInsertMeta = in_array($catid, $categories);
}
}
else
{
$shouldInsertMeta = true;
}
}
break;
case 'com_k2':
$shouldInsertMeta = $view == 'item';
break;
default:
$shouldInsertMeta = true;
break;
}
return $shouldInsertMeta;
}
function shInsertTwitterCardsData(&$buffer)
{
// get sh404sef config
$sefConfig = Sh404sefFactory::getConfig();
$pageInfo = Sh404sefFactory::getPageInfo();
if (empty($sefConfig->shMetaManagementActivated) || !isset($sefConfig) || empty($pageInfo->currentNonSefUrl)
|| (!empty($pageInfo->httpStatus) && $pageInfo->httpStatus == 404))
{
return;
}
$nonSef = shGetCurrentNonSef();
$customData = shGetCustomMetaData($nonSef);
// user can disable per url
if (isset($customData->twittercards_enable) && $customData->twittercards_enable == SH404SEF_OPTION_VALUE_NO
|| (empty($sefConfig->enableTwitterCards)
&& (!isset($customData->twittercards_enable) || $customData->twittercards_enable == SH404SEF_OPTION_VALUE_USE_DEFAULT)))
{
return;
}
// check categories
if (!shShouldInsertMeta($input = null, $sefConfig->twitterCardsCategories))
{
return;
}
// prepare data
$twitterCardsData = '';
// card type
$twitterCardsData .= "\n" . ' ';
// site
$siteAccount = !isset($customData->twittercards_site_account) || empty($customData->twittercards_site_account)
? $sefConfig->twitterCardsSiteAccount : $customData->twittercards_site_account;
if (!empty($siteAccount))
{
$twitterCardsData .= "\n" . ' ';
}
// creator
$creatorAccount = empty($customData->twittercards_creator_account) ? $sefConfig->twitterCardsCreatorAccount
: $customData->twittercards_creator_account;
if (!empty($creatorAccount))
{
$twitterCardsData .= "\n" . ' ';
}
// title
if (!empty($pageInfo->pageTitle))
{
$twitterCardsData .= "\n" . ' ';
}
// description
if (!empty($pageInfo->pageDescription))
{
$twitterCardsData .= "\n" . ' ';
}
// image : we share with OpenGraph image
$image = empty($customData->og_image) ? $sefConfig->ogImage : $customData->og_image;
if (!empty($image))
{
$image = JURI::root(false, '') . JString::ltrim($image, '/');
$twitterCardsData .= "\n" . ' ';
}
// actually insert the tags
if (!empty($twitterCardsData))
{
$buffer = shInsertCustomTagInBuffer($buffer, '', 'after', $twitterCardsData, 'first');
}
}
function shDoHeadersChanges()
{
global $shCanonicalTag;
$sefConfig = &Sh404sefFactory::getConfig();
if (!isset($sefConfig) || empty($sefConfig->shMetaManagementActivated) || empty($pageInfo->currentNonSefUrl))
{
return;
}
// include plugin to build canonical if needed
shIncludeMetaPlugin();
// issue headers for canonical
if (!empty($shCanonicalTag))
{
jimport('joomla.utilities.string');
$link = JURI::root(false, '') . ltrim($sefConfig->shRewriteStrings[$sefConfig->shRewriteMode], '/')
. JString::ltrim($shCanonicalTag, '/');
JResponse::setHeader('Link', '<' . htmlspecialchars($link, ENT_COMPAT, 'UTF-8') . '>; rel="canonical"');
}
}
function shAddPaginationHeaderLinks(&$buffer)
{
$sefConfig = &Sh404sefFactory::getConfig();
if (!isset($sefConfig) || empty($sefConfig->shMetaManagementActivated) || empty($sefConfig->insertPaginationTags))
{
return;
}
$pageInfo = &Sh404sefFactory::getPageInfo();
// handle pagination
if (!empty($pageInfo->paginationNextLink))
{
$link = "\n " . '';
$buffer = shInsertCustomTagInBuffer($buffer, '', 'after', $link, 'first');
}
if (!empty($pageInfo->paginationPrevLink))
{
$link = "\n " . '';
$buffer = shInsertCustomTagInBuffer($buffer, '', 'after', $link, 'first');
}
}
// begin main output --------------------------------------------------------
// check we are outputting document for real
$document = JFactory::getDocument();
if ($document->getType() == 'html')
{
$shPage = JResponse::getBody();
// do TITLE and DESCRIPTION and KEYWORDS and ROBOTS tags replacement
shDoTitleTags($shPage);
// insert analytics snippet
shDoAnalytics($shPage);
shDoSocialAnalytics($shPage);
shDoSocialButtons($shPage);
// insert short urls stuff
shDoShURL($shPage);
// Google autoriship
shInsertGoogleAuthorshipData($shPage);
shInsertGooglePublisherData($shPage);
// Twitter cards data
shInsertTwitterCardsData($shPage);
// Open Graph data
shInsertOpenGraphData($shPage);
// pagination links for lists
shAddPaginationHeaderLinks($shPage);
if (Sh404sefFactory::getConfig()->displayUrlCacheStats)
{
$shPage .= Sh404sefHelperCache::getCacheStats();
}
JResponse::setBody($shPage);
}
else
{
shDoHeadersChanges();
}
}
tags
$title = str_replace('', '', $titleBits[1]);
$title = str_replace('
', '', $title);
$title = JString::trim(JString::trim(stripslashes(html_entity_decode(JString::trim($title)))), '"');
}
$result = str_replace('%%shTitle%%', $title, $result);
// restore possible additionnal articles
$articles = implode('', $otherArticles);
$matches[1] = (empty($articles) ? '' : $articles . ' ') . $matches[1];
$result = str_replace('%%shM1%%', $matches[1], $result);
$result = str_replace('%%shM2%%', $matches[2], $result);
$result = str_replace('class="contentpagetitle">', 'title="' . $title . '" class="contentpagetitle">', $result);
return $result;
}
function shDoRedirectOutboundLinksCallback($matches)
{
if (count($matches) != 2)
return empty($matches) ? '' : $matches[0];
if (strpos($matches[1], Sh404sefFactory::getPageInfo()->getDefaultFrontLiveSite()) === false)
{
$mask = 'getDefaultFrontLiveSite())) != $shPageInfo->getDefaultFrontLiveSite()
&& (substr($link, 0, 7) == 'http://' || substr($link, 0, 7) == 'https://')
&& (empty($shPageInfo->basePath) || substr($link, 0, strlen($shPageInfo->basePath)) != $shPageInfo->basePath)
&& strpos($link, 'pinterest.com') === false)
{
$mask = '%%shM1%%href="%%shM2%%" %%shM3%% >%%shM4%%';
$result = str_replace('%%shM1%%', $bits[0], $mask);
$result = str_replace('%%shM2%%', $link, $result);
$m3 = str_replace($sep . $link . $sep, '', str_replace('', '', $part2)); // remove link from part 2
$bits2 = explode('>', $m3);
$m3 = $bits2[0];
$result = str_replace('%%shM3%%', $m3, $result);
array_shift($bits2); // remove first bit
$m4 = implode($bits2, '>');
$result = str_replace('%%shM4%%', $m4, $result);
$m5 = strip_tags($m4);
$result = str_replace('%%shM5%%', $m5, $result);
}
else
{
$result = $matches[0];
}
return $result;
}
function shGetCustomMetaData($nonSef)
{
static $_tags;
if (is_null($_tags))
{
$_tags = JTable::getInstance('metas', 'Sh404sefTable');
// now read manually setup tags
try
{
$data = ShlDbHelper::selectObject('#__sh404sef_metas', '*', array('newurl' => $nonSef));
}
catch (Exception $e)
{
ShlSystem_Log::error('sh404sef', '%s::%s::%d: %s', __CLASS__, __METHOD__, __LINE__, $e->getMessage());
}
if (!empty($data))
{
$_tags->bind($data);
}
}
return $_tags;
}
function shGetCurrentNonSef()
{
// remove Google tracking vars, would prevent us to find the correct meta tags
$nonSef = Sh404sefHelperUrl::stripTrackingVarsFromNonSef(Sh404sefFactory::getPageInfo()->currentNonSefUrl);
// Virtuemart hack
// VM 2.x actually sets JRequest variables to communicate between view.html.php and layouts!
// so the current non-sef url is modified (showall=1 is added) which prevent
// all meta data associated with this non-sef to be properly retrieved
$isVm = Sh404sefHelperUrl::getUrlVar($nonSef, 'option', null) == 'com_virtuemart';
$isProductDetails = $isVm && Sh404sefHelperUrl::getUrlVar($nonSef, 'view', null) == 'productdetails';
if ($isProductDetails)
{
$nonSef = str_replace('&showall=1', '', $nonSef);
}
// normalize, set variables in alpha order
return Sh404sefHelperUrl::sortUrl($nonSef);
}
function shDoTitleTags(&$buffer)
{
// Replace TITLE and DESCRIPTION and KEYWORDS
if (empty($buffer))
return;
global $shCustomTitleTag, $shCustomDescriptionTag, $shCustomKeywordsTag, $shCustomRobotsTag, $shCustomLangTag, $shCanonicalTag;
$database = ShlDbHelper::getDb();
$shPageInfo = &Sh404sefFactory::getPageInfo();
$sefConfig = &Sh404sefFactory::getConfig();
$document = JFactory::getDocument();
$headData = $document->getHeadData();
// V 1.2.4.t protect against error if using shCustomtags without sh404SEF activated
// this should not happen, so we simply do nothing
if (!isset($sefConfig) || empty($shPageInfo->currentNonSefUrl))
{
return;
}
// check if there is a manually created set of tags from tags file
// need to get them from DB
if ($sefConfig->shMetaManagementActivated)
{
shIncludeMetaPlugin();
// is this homepage ? set flag for future use
// V 1.2.4.t make sure we have lang info and properly sorted params
if (!preg_match('/(&|\?)lang=[a-zA-Z]{2,3}/iuU', $shPageInfo->currentNonSefUrl))
{
// no lang string, let's add default
$shTemp = explode('-', $shPageInfo->currentLanguageTag);
$shLangTemp = $shTemp[0] ? $shTemp[0] : 'en';
$shPageInfo->currentNonSefUrl .= '&lang=' . $shLangTemp;
}
$nonSef = shGetCurrentNonSef();
$isHome = $nonSef == Sh404sefHelperUrl::sortUrl(shCleanUpAnchor(Sh404sefFactory::getPageInfo()->homeLink));
$shCustomTags = shGetCustomMetaData($isHome ? sh404SEF_HOMEPAGE_CODE : $nonSef);
// J! 2.5 finder canonical handling/hack
$highlight = Sh404sefHelperUrl::getUrlVar($nonSef, 'highlight', null);
if (!empty($highlight) && empty($shCanonicalTag))
{
$searchCanoNonSef = str_replace('?highlight=' . $highlight, '', $nonSef);
$searchCanoNonSef = str_replace('&highlight=' . $highlight, '', $searchCanoNonSef);
$shCanonicalTag = JRoute::_($searchCanoNonSef);
}
// splash page hack
$splash = Sh404sefHelperUrl::getUrlVar($nonSef, 'sh404sef_splash', null);
if (!empty($splash) && empty($shCanonicalTag))
{
$shCanonicalTag = $sefConfig->shForcedHomePage;
}
// group new tags insertion, better perf
$tagsToInsert = '';
if (!empty($shCustomTags))
{
$shCustomTitleTag = !empty($shCustomTags->metatitle) ? $shCustomTags->metatitle : $shCustomTitleTag;
$shCustomDescriptionTag = !empty($shCustomTags->metadesc) ? $shCustomTags->metadesc : $shCustomDescriptionTag;
$shCustomKeywordsTag = !empty($shCustomTags->metakey) ? $shCustomTags->metakey : $shCustomKeywordsTag;
$shCustomRobotsTag = !empty($shCustomTags->metarobots) ? $shCustomTags->metarobots : $shCustomRobotsTag;
$shCustomLangTag = !empty($shCustomTags->metalang) ? $shCustomTags->metalang : $shCustomLangTag;
$shCanonicalTag = !empty($shCustomTags->canonical) ? $shCustomTags->canonical : $shCanonicalTag;
}
// then insert them in page
if (empty($shCustomTitleTag))
{
$shCustomTitleTag = $document->getTitle();
}
if (!empty($shCustomTitleTag))
{
$prepend = $isHome ? '' : $sefConfig->prependToPageTitle;
$append = $isHome ? '' : $sefConfig->appendToPageTitle;
$shPageInfo->pageTitle = htmlspecialchars(shCleanUpTitle($prepend . $shCustomTitleTag . $append), ENT_COMPAT, 'UTF-8');
$shPageInfo->pageTitlePr = shProtectPageTitle($shPageInfo->pageTitle);
$buffer = ShlSystem_Strings::pr('/\<\s*title\s*\>.*\<\s*\/title\s*\>/isuU', '' . $shPageInfo->pageTitlePr . ' ', $buffer);
$buffer = ShlSystem_Strings::pr('/\<\s*meta\s+name\s*=\s*"title.*\/\>/isuU', '', $buffer); // remove any title meta
}
if (!is_null($shCustomDescriptionTag))
{
$t = htmlspecialchars(shCleanUpDesc($shCustomDescriptionTag), ENT_COMPAT, 'UTF-8');
$shPageInfo->pageDescription = ShlSystem_Strings::pr('#\$([0-9]*)#u', '\\\$${1}', $t);
if (strpos($buffer, '/isUu',
'', $buffer);
}
else
{
$tagsToInsert .= "\n" . '';
}
}
else
{
// read Joomla! description if none set by us
if (empty($shPageInfo->pageDescription))
{
$shPageInfo->pageDescription = empty($headData['description']) ? ''
: htmlspecialchars(shCleanUpDesc($headData['description']), ENT_COMPAT, 'UTF-8');
}
}
if (!is_null($shCustomKeywordsTag))
{
$t = htmlspecialchars(shCleanUpDesc($shCustomKeywordsTag), ENT_COMPAT, 'UTF-8');
$shPageInfo->pageKeywords = ShlSystem_Strings::pr('#\$([0-9]*)#u', '\\\$${1}', $t);
if (strpos($buffer, '/isUu',
'', $buffer);
}
else
{
$tagsToInsert .= "\n" . '';
}
}
else
{
// read Joomla! description if none set by us
if (empty($shPageInfo->pageKeywords))
{
$shPageInfo->pageKeywords = empty($headData['metaTags']['standard']['keywords']) ? ''
: htmlspecialchars(shCleanUpDesc($headData['metaTags']['standard']['keywords']), ENT_COMPAT, 'UTF-8');
}
}
if (!is_null($shCustomRobotsTag))
{
$shPageInfo->pageRobotsTag = $shCustomRobotsTag;
if (strpos($buffer, '/isUu',
'', $buffer);
}
else if (!empty($shCustomRobotsTag))
{
$tagsToInsert .= "\n" . '';
}
}
else
{
// read Joomla! description if none set by us
if (empty($shPageInfo->pageRobotsTag))
{
$shPageInfo->pageRobotsTag = empty($headData['metaTags']['standard']['robots']) ? ''
: htmlspecialchars(shCleanUpDesc($headData['metaTags']['standard']['robots']), ENT_COMPAT, 'UTF-8');
}
}
if (!is_null($shCustomLangTag))
{
$shLang = $shCustomLangTag;
$shPageInfo->pageLangTag = $shCustomLangTag;
if (strpos($buffer, '/isUu',
'', $buffer);
}
else
{
$tagsToInsert .= "\n" . '';
}
}
// custom handling of canonical
$canonicalPattern = '/\<\s*link[^>]+rel\s*=\s*"canonical[^>]+\/\>/isUu';
$matches = array();
$canonicalCount = preg_match_all($canonicalPattern, $buffer, $matches);
// more than one canonical already: kill them all
if ($canonicalCount > 1 && Sh404sefFactory::getConfig()->removeOtherCanonicals)
{
$buffer = ShlSystem_Strings::pr($canonicalPattern, '', $buffer);
$canonicalCount = 0;
}
// more than one and J3: must be the one inserted by J3 SEF plugin
if ($canonicalCount > 0 && Sh404sefFactory::getConfig()->removeOtherCanonicals && version_compare(JVERSION, '3.0', 'ge'))
{
// kill it, if asked to
$buffer = ShlSystem_Strings::pr($canonicalPattern, '', $buffer);
$canonicalCount = 0;
}
// make sure canonical is absolute, to avoid users complaining despite links being totally fine see #342
if(!empty($shCanonicalTag) && substr($shCanonicalTag, 0, 1) == '/')
{
$basePath = Juri::base(true);
$baseFull = JUri::base(false);
$shCanonicalTag = trim($baseFull, '/') . str_replace($basePath, '', $shCanonicalTag);
}
// if there' a custom canonical for that page, insert it, or replace any existing ones
if (!empty($shCanonicalTag) && $canonicalCount == 0)
{
// insert a new canonical
$tagsToInsert .= "\n" . '' . "\n";
}
else if (!empty($shCanonicalTag))
{
// replace existing canonical
$buffer = ShlSystem_Strings::pr($canonicalPattern,
'', $buffer);
}
// insert all tags in one go
if (!empty($tagsToInsert))
{
$buffer = shInsertCustomTagInBuffer($buffer, '', 'after', $tagsToInsert, 'first');
}
// remove Generator tag
if ($sefConfig->shRemoveGeneratorTag)
{
$buffer = ShlSystem_Strings::pr('/ tags around content elements titles
if ($sefConfig->shPutH1Tags)
{
if (strpos($buffer, 'class="componentheading') !== false)
{
$buffer = ShlSystem_Strings::pr('/$2
', $buffer);
$buffer = ShlSystem_Strings::pr('/$2
$2
') > 1)
{
$buffer = str_replace('', '', $buffer);
$buffer = str_replace('', '', $buffer);
$buffer = str_replace('
', '
', $buffer);
$buffer = str_replace('
', '', $buffer);
}
// V 1.3.1 : replace outbounds links by internal redirects
if (sh404SEF_REDIRECT_OUTBOUND_LINKS)
{
$tmp = preg_replace_callback('/<\s*a\s*href\s*=\s*"(.*)"/isUu', 'shDoRedirectOutboundLinksCallback', $buffer);
if (empty($tmp))
{
ShlSystem_Log::error('shlib', '%s::%s::%d: %s', __CLASS__, __METHOD__, __LINE__,
'RegExp failed: invalid character on page ' . Sh404sefFactory::getPageInfo()->currentSefUrl);
}
else
{
$buffer = $tmp;
}
}
// V 1.3.1 : add symbol to outbounds links
if ($sefConfig->shInsertOutboundLinksImage)
{
$tmp = preg_replace_callback("/<\s*a\s*href\s*=\s*(\"|').*(\"|')\s*>.*<\/a>/isUu", 'shDoInsertOutboundLinksImageCallback', $buffer);
if (empty($tmp))
{
ShlSystem_Log::error('shlib', '%s::%s::%d: %s', __CLASS__, __METHOD__, __LINE__,
'RegExp failed: invalid character on page ' . Sh404sefFactory::getPageInfo()->currentSefUrl);
}
else
{
$buffer = $tmp;
}
}
// all done
return $buffer;
}
}
function shDoAnalytics(&$buffer)
{
// get sh404sef config
$config = &Sh404sefFactory::getConfig();
// check if set to insert snippet
if (!Sh404sefHelperAnalytics::isEnabled())
{
return;
}
// calculate params
$className = 'Sh404sefAdapterAnalytics' . strtolower($config->analyticsType);
$handler = new $className();
// do insert
$snippet = $handler->getSnippet();
if (empty($snippet))
{
return;
}
// use page rewrite utility function to insert as needed
if ($config->analyticsEdition != 'gtm')
{
$buffer = shInsertCustomTagInBuffer($buffer, '', 'before', $snippet, $firstOnly = 'first');
}
else
{
$buffer = shPregInsertCustomTagInBuffer($buffer, '<\s*body[^>]*>', 'after', $snippet, $firstOnly = 'first');
}
}
function shDoSocialButtons(&$buffer)
{
// get sh404sef config
$sefConfig = &Sh404sefFactory::getConfig();
// fire event so that social plugin can attach required external js
$dispatcher = ShlSystem_factory::dispatcher();
$dispatcher->trigger('onSh404sefInsertFBJavascriptSDK', array(&$buffer, $sefConfig));
// fire event so that social plugin can attach required external js and css
$dispatcher->trigger('onSh404sefInsertSocialButtons', array(&$buffer, $sefConfig));
}
function shDoSocialAnalytics(&$buffer)
{
// get sh404sef config
$sefConfig = &Sh404sefFactory::getConfig();
// check if set to insert snippet
if (!Sh404sefHelperAnalytics::isEnabled())
{
return;
}
// fire event so that social plugin can attach required external js
$dispatcher = ShlSystem_factory::dispatcher();
$dispatcher->trigger('onSh404sefInsertFBJavascriptSDK', array(&$buffer, $sefConfig));
}
function shDoShURL(&$buffer)
{
// get sh404sef config
$sefConfig = &Sh404sefFactory::getConfig();
// check if shURLs are enabled
if (!$sefConfig->Enabled || !$sefConfig->enablePageId)
{
return;
}
// get current page information
$shPageInfo = &Sh404sefFactory::getPageInfo();
// insert shURL if tag found, except if editing item on frontend
if (strpos($buffer, '{sh404sef_pageid}') !== false || strpos($buffer, '{sh404sef_shurl}') !== false)
{
// pull out contents of editor to prevent URL changes inside edit area
//$editor =JFactory::getEditor();
//$regex = '#'.$editor->_tagForSEF['start'].'(.*)'.$editor->_tagForSEF['end'].'#Us';
//preg_match_all($regex, $buffer, $editContents, PREG_PATTERN_ORDER);
// create an array to hold the placeholder text (in case there are more than one editor areas)
//$placeholders = array();
//for ($i = 0; $i < count($editContents[0]); $i++) {
// $placeholders[] = $editor->_tagForSEF['start'].$i.$editor->_tagForSEF['end'];
//}
// replace editor contents with placeholder text
//$buffer = str_replace($editContents[0], $placeholders, $buffer);
$buffer = str_replace(array('{sh404sef_pageid}', '{sh404sef_shurl}'), $shPageInfo->shURL, $buffer);
// restore the editor contents
//$buffer = str_replace($placeholders, $editContents[0], $buffer);
}
}
function shInsertOpenGraphData(&$buffer)
{
// get sh404sef config
$sefConfig = &Sh404sefFactory::getConfig();
$pageInfo = &Sh404sefFactory::getPageInfo();
if (empty($sefConfig->shMetaManagementActivated) || !isset($sefConfig) || empty($pageInfo->currentNonSefUrl)
|| (!empty($pageInfo->httpStatus) && $pageInfo->httpStatus == 404))
{
return;
}
$nonSef = shGetCurrentNonSef();
$customData = shGetCustomMetaData($nonSef);
// user can disable per url
if ($customData->og_enable == SH404SEF_OPTION_VALUE_NO
|| (empty($sefConfig->enableOpenGraphData) && $customData->og_enable == SH404SEF_OPTION_VALUE_USE_DEFAULT))
{
return;
}
$openGraphData = '';
$ogNameSpace = '';
$fbNameSpace = '';
// add locale - FB use underscore in language tags
$locale = str_replace('-', '_', JFactory::getLanguage()->getTag());
$openGraphData .= "\n" . ' ';
// insert title
if (!empty($pageInfo->pageTitle))
{
$openGraphData .= "\n" . ' ';
}
// insert description
if ((($sefConfig->ogEnableDescription && $customData->og_enable_description == SH404SEF_OPTION_VALUE_USE_DEFAULT)
|| $customData->og_enable_description == SH404SEF_OPTION_VALUE_YES) && !empty($pageInfo->pageDescription))
{
$openGraphData .= "\n" . ' ';
}
// insert type
$content = $customData->og_type == SH404SEF_OPTION_VALUE_USE_DEFAULT ? $sefConfig->ogType : $customData->og_type;
if (!empty($content))
{
$openGraphData .= "\n" . ' ';
}
// insert url. If any, we insert the canonical url rather than current, to consolidate
$content = empty($pageInfo->pageCanonicalUrl) ? $pageInfo->currentSefUrl : $pageInfo->pageCanonicalUrl;
$content = Sh404sefHelperUrl::stripTrackingVarsFromSef($content);
$openGraphData .= "\n" . ' ';
// insert image
$content = empty($customData->og_image) ? $sefConfig->ogImage : $customData->og_image;
if (!empty($content))
{
$content = JURI::root(false, '') . JString::ltrim($content, '/');
$openGraphData .= "\n" . ' ';
}
// insert site name
if (($sefConfig->ogEnableSiteName && $customData->og_enable_site_name == SH404SEF_OPTION_VALUE_USE_DEFAULT)
|| $customData->og_enable_site_name == SH404SEF_OPTION_VALUE_YES)
{
$content = empty($customData->og_site_name) ? $sefConfig->ogSiteName : $customData->og_site_name;
$content = empty($content) ? JFactory::getApplication()->getCfg('sitename') : $content;
if (!empty($content))
{
$content = htmlspecialchars(shCleanUpDesc($content), ENT_COMPAT, 'UTF-8');
$openGraphData .= "\n" . ' ';
}
}
// insert location
// disabled: Facebook removed all of that after reducing number of object types to bare minimum
if (false
&& (($sefConfig->ogEnableLocation && $customData->og_enable_location == SH404SEF_OPTION_VALUE_USE_DEFAULT)
|| $customData->og_enable_location == SH404SEF_OPTION_VALUE_YES))
{
$content = empty($customData->og_latitude) ? $sefConfig->ogLatitude : $customData->og_latitude;
if (!empty($content))
{
$content = htmlspecialchars(shCleanUpDesc($content), ENT_COMPAT, 'UTF-8');
$openGraphData .= "\n" . ' ';
}
$content = empty($customData->og_longitude) ? $sefConfig->ogLongitude : $customData->og_longitude;
if (!empty($content))
{
$content = htmlspecialchars(shCleanUpDesc($content), ENT_COMPAT, 'UTF-8');
$openGraphData .= "\n" . ' ';
}
$content = empty($customData->og_street_address) ? $sefConfig->ogStreetAddress : $customData->og_street_address;
if (!empty($content))
{
$content = htmlspecialchars(shCleanUpDesc($content), ENT_COMPAT, 'UTF-8');
$openGraphData .= "\n" . ' ';
}
$content = empty($customData->og_locality) ? $sefConfig->ogLocality : $customData->og_locality;
if (!empty($content))
{
$content = htmlspecialchars(shCleanUpDesc($content), ENT_COMPAT, 'UTF-8');
$openGraphData .= "\n" . ' ';
}
$content = empty($customData->og_postal_code) ? $sefConfig->ogPostalCode : $customData->og_postal_code;
if (!empty($content))
{
$content = htmlspecialchars(shCleanUpDesc($content), ENT_COMPAT, 'UTF-8');
$openGraphData .= "\n" . ' ';
}
$content = empty($customData->og_region) ? $sefConfig->ogRegion : $customData->og_region;
if (!empty($content))
{
$content = htmlspecialchars(shCleanUpDesc($content), ENT_COMPAT, 'UTF-8');
$openGraphData .= "\n" . ' ';
}
$content = empty($customData->og_country_name) ? $sefConfig->ogCountryName : $customData->og_country_name;
if (!empty($content))
{
$content = htmlspecialchars(shCleanUpDesc($content), ENT_COMPAT, 'UTF-8');
$openGraphData .= "\n" . ' ';
}
}
// insert contact
// disabled: Facebook removed all of that after reducing number of object types to bare minimum
if (false
&& (($sefConfig->ogEnableContact && $customData->og_enable_contact == SH404SEF_OPTION_VALUE_USE_DEFAULT)
|| $customData->og_enable_contact == SH404SEF_OPTION_VALUE_YES))
{
$content = empty($customData->og_email) ? $sefConfig->ogEmail : $customData->og_email;
if (!empty($content))
{
$content = htmlspecialchars(shCleanUpDesc($content), ENT_COMPAT, 'UTF-8');
$openGraphData .= "\n" . ' ';
}
$content = empty($customData->og_phone_number) ? $sefConfig->ogPhoneNumber : $customData->og_phone_number;
if (!empty($content))
{
$content = htmlspecialchars(shCleanUpDesc($content), ENT_COMPAT, 'UTF-8');
$openGraphData .= "\n" . ' ';
}
$content = empty($customData->og_fax_number) ? $sefConfig->ogFaxNumber : $customData->og_fax_number;
if (!empty($content))
{
$content = htmlspecialchars(shCleanUpDesc($content), ENT_COMPAT, 'UTF-8');
$openGraphData .= "\n" . ' ';
}
}
if (!empty($openGraphData))
{
$ogNameSpace = 'xmlns:og="http://ogp.me/ns#"';
}
// insert fb admin id
if ((!empty($sefConfig->fbAdminIds) && $customData->og_enable_fb_admin_ids == SH404SEF_OPTION_VALUE_USE_DEFAULT)
|| $customData->og_enable_fb_admin_ids == SH404SEF_OPTION_VALUE_YES)
{
$content = empty($customData->fb_admin_ids) ? $sefConfig->fbAdminIds : $customData->fb_admin_ids;
if ($customData->og_enable_fb_admin_ids != SH404SEF_OPTION_VALUE_NO && !empty($content))
{
$openGraphData .= "\n" . ' ';
$fbNameSpace = 'xmlns:fb="https://www.facebook.com/2008/fbml"';
}
}
// actually insert the tags
if (!empty($openGraphData))
{
$buffer = shInsertCustomTagInBuffer($buffer, '', 'after', $openGraphData, 'first');
}
if (!empty($fbNameSpace) || !empty($ogNameSpace))
{
// insert as well namespaces
$buffer = str_replace('') === false)
{
return;
}
// get sh404sef config
$sefConfig = Sh404sefFactory::getConfig();
$pageInfo = Sh404sefFactory::getPageInfo();
if (empty($sefConfig->shMetaManagementActivated) || !isset($sefConfig) || empty($pageInfo->currentNonSefUrl)
|| (!empty($pageInfo->httpStatus) && $pageInfo->httpStatus == 404))
{
return;
}
$nonSef = shGetCurrentNonSef();
$customData = shGetCustomMetaData($nonSef);
// user can disable per url
if (isset($customData->google_authorship_enable) && $customData->google_authorship_enable == SH404SEF_OPTION_VALUE_NO
|| (empty($sefConfig->enableGoogleAuthorship)
&& (!isset($customData->google_authorship_enable) || $customData->google_authorship_enable == SH404SEF_OPTION_VALUE_USE_DEFAULT)))
{
return;
}
// figure out if we should insert authorship info: only on article page
if (!shShouldInsertMeta($input = null, $sefConfig->googleAuthorshipCategories))
{
return;
}
// site
$authorUrl = empty($customData->google_authorship_author_profile) ? $sefConfig->googleAuthorshipAuthorProfile
: $customData->google_authorship_author_profile;
$authorUrl = JString::trim($authorUrl, '/');
$authorName = empty($customData->google_authorship_author_name) ? $sefConfig->googleAuthorshipAuthorName
: $customData->google_authorship_author_name;
if (empty($authorUrl) || empty($authorName))
{
return;
}
$authorUrl = 'https://plus.google.com/' . htmlspecialchars($authorUrl, ENT_COMPAT, 'UTF-8') . '?rel=author';
$authorName = htmlspecialchars($authorName, ENT_COMPAT, 'UTF-8');
$googleAuthorshipData = JText::sprintf('COM_CONTENT_WRITTEN_BY', JHtml::_('link', $authorUrl, $authorName));
// actually insert the tags
if (!empty($googleAuthorshipData))
{
$buffer = ShlSystem_Strings::pr('#\.*\<\/dd\>#iUsu',
'' . $googleAuthorshipData . ' ', $buffer);
}
}
function shInsertGooglePublisherData(&$buffer)
{
// don't insert head link to publisher page if there's
// already a visible badge (see sh404sef core social plugin
if(strpos( $buffer, 'rel=\'publisher\'') !== false)
{
return;
}
// get sh404sef config
$sefConfig = Sh404sefFactory::getConfig();
$pageInfo = Sh404sefFactory::getPageInfo();
if (empty($sefConfig->shMetaManagementActivated) || !isset($sefConfig) || empty($pageInfo->currentNonSefUrl)
|| (!empty($pageInfo->httpStatus) && $pageInfo->httpStatus == 404))
{
return;
}
$nonSef = shGetCurrentNonSef();
$customData = shGetCustomMetaData($nonSef);
// user can disable per url
if (isset($customData->google_publisher_enable) && $customData->google_publisher_enable == SH404SEF_OPTION_VALUE_NO
|| (empty($sefConfig->enableGooglePublisher)
&& (!isset($customData->google_publisher_enable) || $customData->google_publisher_enable == SH404SEF_OPTION_VALUE_USE_DEFAULT)))
{
return;
}
// site
$publisherUrl = empty($customData->google_publisher_url) ? $sefConfig->googlePublisherUrl
: $customData->google_publisher_url;
$publisherUrl = JString::trim($publisherUrl, '/');
if (empty($publisherUrl))
{
return;
}
$publisherUrl = 'https://plus.google.com/' . htmlspecialchars($publisherUrl, ENT_COMPAT, 'UTF-8');
$publisherTag = sprintf( ' ' , $publisherUrl);
// actually insert the tags
if (!empty($publisherTag))
{
$buffer = shInsertCustomTagInBuffer($buffer, '', 'after', "\n" . $publisherTag . "\n", 'first');
}
}
function shShouldInsertMeta($input = null, $categories = array())
{
$input = empty($input) ? JFactory::getApplication()->input : $input;
$shouldInsertMeta = false;
// get request details
$component = $input->getCmd('option');
$view = $input->getCmd('view');
$printing = $input->getInt('print');
// we are set to only display on canonical page for an item
// this can only be true if context and current request matches
if (empty($component) && empty($view))
{
return false;
}
switch ($component)
{
case 'com_content':
// only display if on an article page
$shouldInsertMeta = ($view == 'article' || $view == 'featured') && empty($printing);
// check category
if ($shouldInsertMeta)
{
if (!empty($categories) && ($categories[0] != 'show_on_all'))
{
// find about article category
$catid = $input->getInt('catid', 0);
if (empty($catid))
{
$id = $input->getInt('id', 0);
if ($id)
{
$article = JTable::getInstance('content');
$article->load($id);
$catid = $article->catid;
}
}
if (!empty($catid))
{
$shouldInsertMeta = in_array($catid, $categories);
}
}
else
{
$shouldInsertMeta = true;
}
}
break;
case 'com_k2':
$shouldInsertMeta = $view == 'item';
break;
default:
$shouldInsertMeta = true;
break;
}
return $shouldInsertMeta;
}
function shInsertTwitterCardsData(&$buffer)
{
// get sh404sef config
$sefConfig = Sh404sefFactory::getConfig();
$pageInfo = Sh404sefFactory::getPageInfo();
if (empty($sefConfig->shMetaManagementActivated) || !isset($sefConfig) || empty($pageInfo->currentNonSefUrl)
|| (!empty($pageInfo->httpStatus) && $pageInfo->httpStatus == 404))
{
return;
}
$nonSef = shGetCurrentNonSef();
$customData = shGetCustomMetaData($nonSef);
// user can disable per url
if (isset($customData->twittercards_enable) && $customData->twittercards_enable == SH404SEF_OPTION_VALUE_NO
|| (empty($sefConfig->enableTwitterCards)
&& (!isset($customData->twittercards_enable) || $customData->twittercards_enable == SH404SEF_OPTION_VALUE_USE_DEFAULT)))
{
return;
}
// check categories
if (!shShouldInsertMeta($input = null, $sefConfig->twitterCardsCategories))
{
return;
}
// prepare data
$twitterCardsData = '';
// card type
$twitterCardsData .= "\n" . ' ';
// site
$siteAccount = !isset($customData->twittercards_site_account) || empty($customData->twittercards_site_account)
? $sefConfig->twitterCardsSiteAccount : $customData->twittercards_site_account;
if (!empty($siteAccount))
{
$twitterCardsData .= "\n" . ' ';
}
// creator
$creatorAccount = empty($customData->twittercards_creator_account) ? $sefConfig->twitterCardsCreatorAccount
: $customData->twittercards_creator_account;
if (!empty($creatorAccount))
{
$twitterCardsData .= "\n" . ' ';
}
// title
if (!empty($pageInfo->pageTitle))
{
$twitterCardsData .= "\n" . ' ';
}
// description
if (!empty($pageInfo->pageDescription))
{
$twitterCardsData .= "\n" . ' ';
}
// image : we share with OpenGraph image
$image = empty($customData->og_image) ? $sefConfig->ogImage : $customData->og_image;
if (!empty($image))
{
$image = JURI::root(false, '') . JString::ltrim($image, '/');
$twitterCardsData .= "\n" . ' ';
}
// actually insert the tags
if (!empty($twitterCardsData))
{
$buffer = shInsertCustomTagInBuffer($buffer, '', 'after', $twitterCardsData, 'first');
}
}
function shDoHeadersChanges()
{
global $shCanonicalTag;
$sefConfig = &Sh404sefFactory::getConfig();
if (!isset($sefConfig) || empty($sefConfig->shMetaManagementActivated) || empty($pageInfo->currentNonSefUrl))
{
return;
}
// include plugin to build canonical if needed
shIncludeMetaPlugin();
// issue headers for canonical
if (!empty($shCanonicalTag))
{
jimport('joomla.utilities.string');
$link = JURI::root(false, '') . ltrim($sefConfig->shRewriteStrings[$sefConfig->shRewriteMode], '/')
. JString::ltrim($shCanonicalTag, '/');
JResponse::setHeader('Link', '<' . htmlspecialchars($link, ENT_COMPAT, 'UTF-8') . '>; rel="canonical"');
}
}
function shAddPaginationHeaderLinks(&$buffer)
{
$sefConfig = &Sh404sefFactory::getConfig();
if (!isset($sefConfig) || empty($sefConfig->shMetaManagementActivated) || empty($sefConfig->insertPaginationTags))
{
return;
}
$pageInfo = &Sh404sefFactory::getPageInfo();
// handle pagination
if (!empty($pageInfo->paginationNextLink))
{
$link = "\n " . '';
$buffer = shInsertCustomTagInBuffer($buffer, '', 'after', $link, 'first');
}
if (!empty($pageInfo->paginationPrevLink))
{
$link = "\n " . '';
$buffer = shInsertCustomTagInBuffer($buffer, '', 'after', $link, 'first');
}
}
// begin main output --------------------------------------------------------
// check we are outputting document for real
$document = JFactory::getDocument();
if ($document->getType() == 'html')
{
$shPage = JResponse::getBody();
// do TITLE and DESCRIPTION and KEYWORDS and ROBOTS tags replacement
shDoTitleTags($shPage);
// insert analytics snippet
shDoAnalytics($shPage);
shDoSocialAnalytics($shPage);
shDoSocialButtons($shPage);
// insert short urls stuff
shDoShURL($shPage);
// Google autoriship
shInsertGoogleAuthorshipData($shPage);
shInsertGooglePublisherData($shPage);
// Twitter cards data
shInsertTwitterCardsData($shPage);
// Open Graph data
shInsertOpenGraphData($shPage);
// pagination links for lists
shAddPaginationHeaderLinks($shPage);
if (Sh404sefFactory::getConfig()->displayUrlCacheStats)
{
$shPage .= Sh404sefHelperCache::getCacheStats();
}
JResponse::setBody($shPage);
}
else
{
shDoHeadersChanges();
}
}
';
$result = str_replace('%%shM1%%', $bits[0], $mask);
$result = str_replace('%%shM2%%', $link, $result);
$m3 = str_replace($sep . $link . $sep, '', str_replace('', '', $part2)); // remove link from part 2
$bits2 = explode('>', $m3);
$m3 = $bits2[0];
$result = str_replace('%%shM3%%', $m3, $result);
array_shift($bits2); // remove first bit
$m4 = implode($bits2, '>');
$result = str_replace('%%shM4%%', $m4, $result);
$m5 = strip_tags($m4);
$result = str_replace('%%shM5%%', $m5, $result);
}
else
{
$result = $matches[0];
}
return $result;
}
function shGetCustomMetaData($nonSef)
{
static $_tags;
if (is_null($_tags))
{
$_tags = JTable::getInstance('metas', 'Sh404sefTable');
// now read manually setup tags
try
{
$data = ShlDbHelper::selectObject('#__sh404sef_metas', '*', array('newurl' => $nonSef));
}
catch (Exception $e)
{
ShlSystem_Log::error('sh404sef', '%s::%s::%d: %s', __CLASS__, __METHOD__, __LINE__, $e->getMessage());
}
if (!empty($data))
{
$_tags->bind($data);
}
}
return $_tags;
}
function shGetCurrentNonSef()
{
// remove Google tracking vars, would prevent us to find the correct meta tags
$nonSef = Sh404sefHelperUrl::stripTrackingVarsFromNonSef(Sh404sefFactory::getPageInfo()->currentNonSefUrl);
// Virtuemart hack
// VM 2.x actually sets JRequest variables to communicate between view.html.php and layouts!
// so the current non-sef url is modified (showall=1 is added) which prevent
// all meta data associated with this non-sef to be properly retrieved
$isVm = Sh404sefHelperUrl::getUrlVar($nonSef, 'option', null) == 'com_virtuemart';
$isProductDetails = $isVm && Sh404sefHelperUrl::getUrlVar($nonSef, 'view', null) == 'productdetails';
if ($isProductDetails)
{
$nonSef = str_replace('&showall=1', '', $nonSef);
}
// normalize, set variables in alpha order
return Sh404sefHelperUrl::sortUrl($nonSef);
}
function shDoTitleTags(&$buffer)
{
// Replace TITLE and DESCRIPTION and KEYWORDS
if (empty($buffer))
return;
global $shCustomTitleTag, $shCustomDescriptionTag, $shCustomKeywordsTag, $shCustomRobotsTag, $shCustomLangTag, $shCanonicalTag;
$database = ShlDbHelper::getDb();
$shPageInfo = &Sh404sefFactory::getPageInfo();
$sefConfig = &Sh404sefFactory::getConfig();
$document = JFactory::getDocument();
$headData = $document->getHeadData();
// V 1.2.4.t protect against error if using shCustomtags without sh404SEF activated
// this should not happen, so we simply do nothing
if (!isset($sefConfig) || empty($shPageInfo->currentNonSefUrl))
{
return;
}
// check if there is a manually created set of tags from tags file
// need to get them from DB
if ($sefConfig->shMetaManagementActivated)
{
shIncludeMetaPlugin();
// is this homepage ? set flag for future use
// V 1.2.4.t make sure we have lang info and properly sorted params
if (!preg_match('/(&|\?)lang=[a-zA-Z]{2,3}/iuU', $shPageInfo->currentNonSefUrl))
{
// no lang string, let's add default
$shTemp = explode('-', $shPageInfo->currentLanguageTag);
$shLangTemp = $shTemp[0] ? $shTemp[0] : 'en';
$shPageInfo->currentNonSefUrl .= '&lang=' . $shLangTemp;
}
$nonSef = shGetCurrentNonSef();
$isHome = $nonSef == Sh404sefHelperUrl::sortUrl(shCleanUpAnchor(Sh404sefFactory::getPageInfo()->homeLink));
$shCustomTags = shGetCustomMetaData($isHome ? sh404SEF_HOMEPAGE_CODE : $nonSef);
// J! 2.5 finder canonical handling/hack
$highlight = Sh404sefHelperUrl::getUrlVar($nonSef, 'highlight', null);
if (!empty($highlight) && empty($shCanonicalTag))
{
$searchCanoNonSef = str_replace('?highlight=' . $highlight, '', $nonSef);
$searchCanoNonSef = str_replace('&highlight=' . $highlight, '', $searchCanoNonSef);
$shCanonicalTag = JRoute::_($searchCanoNonSef);
}
// splash page hack
$splash = Sh404sefHelperUrl::getUrlVar($nonSef, 'sh404sef_splash', null);
if (!empty($splash) && empty($shCanonicalTag))
{
$shCanonicalTag = $sefConfig->shForcedHomePage;
}
// group new tags insertion, better perf
$tagsToInsert = '';
if (!empty($shCustomTags))
{
$shCustomTitleTag = !empty($shCustomTags->metatitle) ? $shCustomTags->metatitle : $shCustomTitleTag;
$shCustomDescriptionTag = !empty($shCustomTags->metadesc) ? $shCustomTags->metadesc : $shCustomDescriptionTag;
$shCustomKeywordsTag = !empty($shCustomTags->metakey) ? $shCustomTags->metakey : $shCustomKeywordsTag;
$shCustomRobotsTag = !empty($shCustomTags->metarobots) ? $shCustomTags->metarobots : $shCustomRobotsTag;
$shCustomLangTag = !empty($shCustomTags->metalang) ? $shCustomTags->metalang : $shCustomLangTag;
$shCanonicalTag = !empty($shCustomTags->canonical) ? $shCustomTags->canonical : $shCanonicalTag;
}
// then insert them in page
if (empty($shCustomTitleTag))
{
$shCustomTitleTag = $document->getTitle();
}
if (!empty($shCustomTitleTag))
{
$prepend = $isHome ? '' : $sefConfig->prependToPageTitle;
$append = $isHome ? '' : $sefConfig->appendToPageTitle;
$shPageInfo->pageTitle = htmlspecialchars(shCleanUpTitle($prepend . $shCustomTitleTag . $append), ENT_COMPAT, 'UTF-8');
$shPageInfo->pageTitlePr = shProtectPageTitle($shPageInfo->pageTitle);
$buffer = ShlSystem_Strings::pr('/\<\s*title\s*\>.*\<\s*\/title\s*\>/isuU', '