/**
* Get two or three letter country code.
*
* @param boolean $threeLetterCode TRUE to return 3-letter country code
*
* @return string|false Country code or FALSE on failure
*/
public function getCountryCode($threeLetterCode = false)
{
try {
// Net_GeoIP provides no method to return 3-letter-code
if ($threeLetterCode) {
$location = $this->geoLiteCity->lookupLocation($this->ip);
if ($location instanceof Net_GeoIP_Location) {
$data = $location->getData();
return $data['countryCode3'];
}
return false;
}
return $this->geoLiteCountry->lookupCountryCode($this->ip);
} catch (Exception $exception) {
return false;
}
}
/**
* The main function recognizes the browser's preferred languages and
* reloads the page accordingly. Exits if successful.
*
* @param string $content HTML content
* @param array $conf The mandatory configuration array
* @return string
*/
public function main($content, $conf)
{
$this->conf = $conf;
$this->cookieLifetime = (int) $conf['cookieLifetime'];
$this->domainRecord = $this->getCurrentDomainRecord();
// Break out if domain record is disabled
if ($this->domainRecord["disable_language_detection"]) {
return $content;
}
// Break out if language already selected
if (!$this->conf['dontBreakIfLanguageIsAlreadySelected'] && GeneralUtility::_GP($this->conf['languageGPVar']) !== NULL) {
if (TYPO3_DLOG) {
GeneralUtility::devLog('Break out since language is already selected', $this->extKey);
}
return $content;
}
// Break out if the last page visited was also on our site:
$referrer = (string) GeneralUtility::getIndpEnv('HTTP_REFERER');
if (TYPO3_DLOG) {
GeneralUtility::devLog('Referrer: ' . $referrer, $this->extKey);
}
if (!$this->conf['dontBreakIfLastPageWasOnSite'] && $referrer !== '' && (stripos($referrer, GeneralUtility::getIndpEnv('TYPO3_SITE_URL')) !== FALSE || stripos($referrer, $this->getTSFE()->baseUrl) !== FALSE || stripos($referrer . '/', GeneralUtility::getIndpEnv('TYPO3_SITE_URL')) !== FALSE || stripos($referrer . '/', $this->getTSFE()->baseUrl) !== FALSE)) {
return $content;
}
// Break out if the session tells us that the user has selected language
if (!$this->conf['dontBreakIfLanguageIsAlreadySelected']) {
if ($this->cookieLifetime) {
// read from browser-cookie
$languageSessionKey = $_COOKIE[$this->extKey . '_languageSelected'];
} else {
$languageSessionKey = $this->getTSFE()->fe_user->getKey('ses', $this->extKey . '_languageSelected');
}
// If session key exists but no language GP var -
// we should redirect client to selected language
if (isset($languageSessionKey)) {
// Can redirect only in one tree method for now
if ($this->conf['useOneTreeMethod'] && is_numeric($languageSessionKey)) {
$this->doRedirect($languageSessionKey, $referrer);
return '';
}
return $content;
}
}
//GATHER DATA
//Get available languages
$availableLanguagesArr = $this->conf['useOneTreeMethod'] ? $this->getSysLanguages() : $this->getMultipleTreeLanguages();
if (TYPO3_DLOG) {
GeneralUtility::devLog('Detecting available languages in installation', $this->extKey, 0, $availableLanguagesArr);
}
//Collect language aliases
$languageAliases = array();
if ($this->conf['useLanguageAliases']) {
$tmp = $conf['languageAliases.'];
foreach ($tmp as $key => $languageAlias) {
$languageAliases[strtolower($key)] = GeneralUtility::trimExplode(',', strtolower($languageAlias), TRUE);
}
}
$testOrder = GeneralUtility::trimExplode(',', $conf['testOrder'], TRUE);
$preferredLanguageOrPageUid = FALSE;
for ($i = 0; $i < count($testOrder) && $preferredLanguageOrPageUid === FALSE; $i++) {
switch ($testOrder[$i]) {
//Browser information
case 'browser':
//Get Accepted Languages from Browser
$acceptedLanguagesArr = $this->getAcceptedLanguages();
if (TYPO3_DLOG) {
GeneralUtility::devLog('Detecting user browser languages', $this->extKey, 0, $acceptedLanguagesArr);
}
//Break out if the default languange is already selected
//Thanks to Stefan Mielke
$first = substr(key($acceptedLanguagesArr), 0, 2);
if ($first === $this->conf['defaultLang']) {
$preferredLanguageOrPageUid = 0;
break;
}
//Iterate through the user's accepted languages
for ($j = 0; $j < count($acceptedLanguagesArr); $j++) {
$currentLanguage = array_values($acceptedLanguagesArr);
$currentLanguage = $currentLanguage[$j];
if (TYPO3_DLOG) {
GeneralUtility::devLog('Testing language: ' . $currentLanguage, $this->extKey);
}
//If the current language is available (full "US_en" type check)
if (isset($availableLanguagesArr[$currentLanguage])) {
$preferredLanguageOrPageUid = $availableLanguagesArr[$currentLanguage];
if (TYPO3_DLOG) {
GeneralUtility::devLog('Found: ' . $preferredLanguageOrPageUid . ' (full check)', $this->extKey);
}
break;
}
//Old-fashioned 2-char test ("en")
if (strlen($currentLanguage) > 2 && $preferredLanguageOrPageUid === FALSE) {
$currentLanguageShort = substr($currentLanguage, 0, 2);
if (isset($availableLanguagesArr[$currentLanguageShort])) {
$preferredLanguageOrPageUid = $availableLanguagesArr[$currentLanguageShort];
if (TYPO3_DLOG) {
GeneralUtility::devLog('Found: ' . $preferredLanguageOrPageUid . ' (normal check)', $this->extKey);
}
break;
}
}
//If the user's language is in language aliases
if ($this->conf['useLanguageAliases'] && array_key_exists($currentLanguage, $languageAliases) && $preferredLanguageOrPageUid === FALSE) {
$values = $languageAliases[$currentLanguage];
//Iterate through aliases and choose the first possible
foreach ($values as $value) {
if (isset($availableLanguagesArr[$value])) {
$preferredLanguageOrPageUid = $availableLanguagesArr[$value];
if (TYPO3_DLOG) {
GeneralUtility::devLog('Found: ' . $preferredLanguageOrPageUid . ' (alias check)', $this->extKey);
}
break 2;
}
}
}
}
break;
//GeoIP
//GeoIP
case 'ip':
$countryCode = '';
if ($this->conf['pearDirectory']) {
$pearDirectory = $this->conf['pearDirectory'];
} else {
$pearDirectory = PEAR_INSTALL_DIR;
}
if (file_exists($pearDirectory . '/Net/GeoIP.php') && $this->conf['pathToDatabaseForGeoIPData']) {
require_once $pearDirectory . '/Net/GeoIP.php';
$pathToDatabase = GeneralUtility::getFileAbsFileName($this->conf['pathToDatabaseForGeoIPData']);
$geoIp = new \Net_GeoIP($pathToDatabase);
// Get country code from geoip
if (TYPO3_DLOG) {
GeneralUtility::devLog('IP: ' . $this->getUserIP(), $this->extKey);
}
$countryCode = strtolower($geoIp->lookupCountryCode($this->getUserIP()));
if (TYPO3_DLOG) {
GeneralUtility::devLog('GeoIP Country Code: ' . $countryCode, $this->extKey);
}
unset($geoIp);
}
// PHP module geoip
if (!$countryCode && function_exists('geoip_country_code_by_name')) {
// Get country code from geoip
if (TYPO3_DLOG) {
GeneralUtility::devLog('IP: ' . $this->getUserIP(), $this->extKey);
}
$countryCode = strtolower(geoip_country_code_by_name($this->getUserIP()));
if (TYPO3_DLOG) {
GeneralUtility::devLog('GeoIP Country Code: ' . $countryCode, $this->extKey);
}
}
if ($countryCode) {
//Check for the country code in the configured list of country to languages
if (array_key_exists($countryCode, $this->conf['countryCodeToLanguageCode.']) && array_key_exists($this->conf['countryCodeToLanguageCode.'][$countryCode], $availableLanguagesArr)) {
if (TYPO3_DLOG) {
GeneralUtility::devLog('Available language found in configured: ' . $countryCode, $this->extKey);
}
$preferredLanguageOrPageUid = $availableLanguagesArr[$this->conf['countryCodeToLanguageCode.'][$countryCode]];
//Use the static_info_tables lg_collate_locale to attempt to find a country to language relation.
} elseif (ExtensionManagementUtility::isLoaded('static_info_tables')) {
if (TYPO3_DLOG) {
GeneralUtility::devLog('Checking in static_info_tables.', $this->extKey);
}
//Get the language codes from lg_collate_locate
$values = $this->getLanguageCodesForCountry($countryCode);
foreach ($values as $value) {
//If one of the languages exist
if (array_key_exists($value, $availableLanguagesArr)) {
if (TYPO3_DLOG) {
GeneralUtility::devLog('Found in static_info_tables: ' . $value, $this->extKey);
}
$preferredLanguageOrPageUid = $availableLanguagesArr[$value];
break;
}
}
}
}
break;
//Handle hooks
//Handle hooks
default:
//Hook for adding other language processing
if (is_array($GLOBALS['TYPO3_CONF_VARS']['EXTCONF']['rlmp_language_detection']['preferredLanguageHooks'])) {
foreach ($GLOBALS['TYPO3_CONF_VARS']['EXTCONF']['rlmp_language_detection']['preferredLanguageHooks'] as $key => $_funcRef) {
if ($key == $testOrder[$i]) {
$preferredLanguageOrPageUid = GeneralUtility::callUserFunction($_funcRef, $availableLanguagesArr, $this);
if ($preferredLanguageOrPageUid) {
break;
}
}
}
}
break;
}
}
if (TYPO3_DLOG) {
GeneralUtility::devLog('END result: Preferred=' . $preferredLanguageOrPageUid, $this->extKey);
}
if ($preferredLanguageOrPageUid !== FALSE) {
$this->doRedirect($preferredLanguageOrPageUid, $referrer);
}
return '';
}
