ÿØÿà JFIF    ÿÛ „  ( %"1!%)+...383,7(-.+  -+++--++++---+-+-----+---------------+---+-++7-----ÿÀ  ß â" ÿÄ     ÿÄ H    !1AQaq"‘¡2B±ÁÑð#R“Ò Tbr‚²á3csƒ’ÂñDS¢³$CÿÄ   ÿÄ %  !1AQa"23‘ÿÚ   ? ôÿ ¨pŸªáÿ —åYõõ\?àÒü©ŠÄï¨pŸªáÿ —åYõõ\?àÓü©ŠÄá 0Ÿªáÿ Ÿå[úƒ ú®ði~TÁbqÐ8OÕpÿ ƒOò¤Oè`–RÂáœá™êi€ßÉ< FtŸI“öÌ8úDf´°å}“¾œ6  öFá°y¥jñÇh†ˆ¢ã/ÃÐ:ªcÈ "Y¡ðÑl>ÿ ”ÏËte:qž\oäŠe÷󲍷˜HT4&ÿ ÓÐü6ö®¿øþßèô Ÿ•7Ñi’•j|“ñì>b…þS?*Óôÿ ÓÐü*h¥£ír¶ü UãSç‚Ÿ[AÐaè[ûª•õ&õj?†Éö+EzP—WeÒírJFt ‘BŒ†Ï‡%#tE Øz ¥OÛ«!1›üä±Í™%ºÍãö]°î(–:@<‹ŒÊö×òÆt¦ãº+‡¦%ÌÁ²h´OƒJŒtMÜ>ÀÜÊw3Y´•牋4ǍýʏTì>œú=Íwhyë,¾Ôò×õ¿ßÊa»«þˆѪQ|%6ž™A õ%:øj<>É—ÿ Å_ˆCbõ¥š±ý¯Ýƒï…¶|RëócÍf溪“t.СøTÿ *Ä¿-{†çàczůŽ_–^XþŒ±miB[X±d 1,é”zEù»& î9gœf™9Ð'.;—™i}!ôšåîqêÛ٤ёý£½ÆA–àôe"A$˝Úsäÿ ÷Û #°xŸëí(l »ý3—¥5m! rt`†0~'j2(]S¦¦kv,ÚÇ l¦øJA£Šƒ J3E8ÙiŽ:cÉžúeZ°€¯\®kÖ(79«Ž:¯X”¾³Š&¡* ….‰Ž(ÜíŸ2¥ª‡×Hi²TF¤ò[¨íÈRëÉ䢍mgÑ.Ÿ<öäS0í„ǹÁU´f#Vß;Õ–…P@3ío<ä-±»Ž.L|kªÀê›fÂ6@»eu‚|ÓaÞÆŸ…¨ááå>åŠ?cKü6ùTÍÆ”†sĤÚ;H2RÚ†õ\Ö·Ÿn'¾ ñ#ºI¤Å´%çÁ­‚â7›‹qT3Iï¨ÖÚ5I7Ë!ÅOóŸ¶øÝñØôת¦$Tcö‘[«Ö³šÒ';Aþ ¸èíg A2Z"i¸vdÄ÷.iõ®§)¿]¤À†–‡É&ä{V¶iŽ”.Ó×Õÿ û?h¬Mt–íª[ÿ Ñÿ ÌV(í}=ibÔ¡›¥¢±b Lô¥‡piη_Z<‡z§èŒ)iÖwiÇ 2hÙ3·=’d÷8éŽ1¦¸c¤µ€7›7Ø ð\á)} ¹fËí›pAÃL%âc2 í§æQz¿;T8sæ°qø)QFMð‰XŒÂ±N¢aF¨…8¯!U  Z©RÊ ÖPVÄÀÍin™Ì-GˆªÅËŠ›•zË}º±ŽÍFò¹}Uw×#ä5B¤{î}Ð<ÙD é©¤&‡ïDbàÁôMÁ." ¤‡ú*õ'VŽ|¼´Úgllº¼klz[Æüï÷Aób‡Eÿ dÑ»Xx9ÃÜ£ÁT/`¼¸vI±Ýµ·Ë‚“G³þ*Ÿû´r|*}<¨îºœ @¦mÄ’M¹”.œ«Y–|6ÏU¤jç¥ÕÞqO ˜kDÆÁ¨5ÿ š;Њ¦¦€GÙk \ –Þ=â¼=SͧµªS°ÚÍpÜãQűÀõ¬?ÃÁ1Ñ•õZà?hóœ€ L¦l{Y*K˜Ù›zc˜–ˆâ ø+¾ ­-Ök¥%ùEÜA'}ˆ><ÊIè“bpÍ/qÞâvoX€w,\úªò6Z[XdÒæ­@Ö—€$òJí#é>'°Ú ôª˜<)4ryÙ£|óAÅn5žêŸyÒäMÝ2{"}‰–¤l÷ûWX\l¾Á¸góÉOÔ /óñB¤f¸çñ[.P˜ZsÊË*ßT܈§QN¢’¡¨§V¼(Üù*eÕ“”5T¨‹Âê¥FŒã½Dü[8'Ò¥a…Ú¶k7a *•›¼'Ò·\8¨ª\@\õ¢¦íq+DÙrmÎ…_ªæ»ŠÓœ¡¯’Ré9MÅ×D™lælffc+ŒÑ,ý™ÿ ¯þǤ=Å’Á7µ÷ÚÛ/“Ü€ñýã¼àí¾ÕÑ+ƒ,uµMâÀÄbm:ÒÎPæ{˜Gz[ƒ¯«® KHà`ßØŠéí¯P8Aq.C‰ à€kòpj´kN¶qô€…Õ,ÜNŠª-­{Zö’æû44‰sŽè‰îVíRœÕm" 6?³D9¡ÇTíÅꋇ`4«¸ÝÁô ï’ýorqКÇZ«x4Žâéþuïf¹µö[P ,Q£éaX±`PÉÍZ ¸äYúg üAx ’6Lê‚xÝÓ*äQ  Ï’¨hÍ =²,6ï#rÃ<¯–£»ƒ‹,–ê•€ aÛsñ'%Æ"®ÛüìBᝠHÚ3ß°©$“XnœÖ’î2ËTeûìxîß ¦å¿çÉ ðK§þ{‘t‚Ϋ¬jéîZ[ ”š7L¥4VÚCE×]m¤Øy”ä4-dz£œ§¸x.*ãÊÊ b÷•h:©‡¦s`BTÁRû¾g⻩‹jø sF¢àJøFl‘È•Xᓁà~*j¯ +(ÚÕ6-£¯÷GŠØy‚<Ç’.F‹Hœw(+)ÜÜâÈzÄäT§FߘãÏ;DmVœ3Àu@mÚüXÝü•3B¨òÌÁÛ<·ÃÜ z,Ì@õÅ·d2]ü8s÷IôÞ¯^Ç9¢u„~ëAŸï4«M? 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'", "' . $id . '", {theme: "' . $theme . '",' . $this->_getLanguage() . 'tabindex: 0});});'); } else { // Load callback first for browser compatibility JHtml::_('script', 'plg_captcha_recaptcha/recaptcha.min.js', array('version' => 'auto', 'relative' => true)); $file = 'https://www.google.com/recaptcha/api.js?onload=JoomlaInitReCaptcha2&render=explicit&hl=' . JFactory::getLanguage()->getTag(); JHtml::_('script', $file); } return true; } /** * Gets the challenge HTML * * @param string $name The name of the field. Not Used. * @param string $id The id of the field. * @param string $class The class of the field. This should be passed as * e.g. 'class="required"'. * * @return string The HTML to be embedded in the form. * * @since 2.5 */ public function onDisplay($name = null, $id = 'dynamic_recaptcha_1', $class = '') { if ($this->params->get('version', '1.0') === '1.0') { return '
'; } else { return '
'; } } /** * Calls an HTTP POST function to verify if the user's guess was correct * * @param string $code Answer provided by user. Not needed for the Recaptcha implementation * * @return True if the answer is correct, false otherwise * * @since 2.5 */ public function onCheckAnswer($code = null) { $input = JFactory::getApplication()->input; $privatekey = $this->params->get('private_key'); $version = $this->params->get('version', '1.0'); $remoteip = $input->server->get('REMOTE_ADDR', '', 'string'); switch ($version) { case '1.0': $challenge = $input->get('recaptcha_challenge_field', '', 'string'); $response = $input->get('recaptcha_response_field', '', 'string'); $spam = ($challenge === '' || $response === ''); break; case '2.0': // Challenge Not needed in 2.0 but needed for getResponse call $challenge = null; $response = $input->get('g-recaptcha-response', '', 'string'); $spam = ($response === ''); break; } // Check for Private Key if (empty($privatekey)) { $this->_subject->setError(JText::_('PLG_RECAPTCHA_ERROR_NO_PRIVATE_KEY')); return false; } // Check for IP if (empty($remoteip)) { $this->_subject->setError(JText::_('PLG_RECAPTCHA_ERROR_NO_IP')); return false; } // Discard spam submissions if ($spam) { $this->_subject->setError(JText::_('PLG_RECAPTCHA_ERROR_EMPTY_SOLUTION')); return false; } return $this->getResponse($privatekey, $remoteip, $response, $challenge); } /** * Get the reCaptcha response. * * @param string $privatekey The private key for authentication. * @param string $remoteip The remote IP of the visitor. * @param string $response The response received from Google. * @param string $challenge The challenge field from the reCaptcha. Only for 1.0. * * @return bool True if response is good | False if response is bad. * * @since 3.4 */ private function getResponse($privatekey, $remoteip, $response, $challenge = null) { $version = $this->params->get('version', '1.0'); switch ($version) { case '1.0': $response = $this->_recaptcha_http_post( 'www.google.com', '/recaptcha/api/verify', array( 'privatekey' => $privatekey, 'remoteip' => $remoteip, 'challenge' => $challenge, 'response' => $response ) ); $answers = explode("\n", $response[1]); if (trim($answers[0]) !== 'true') { // @todo use exceptions here $this->_subject->setError(JText::_('PLG_RECAPTCHA_ERROR_' . strtoupper(str_replace('-', '_', $answers[1])))); return false; } break; case '2.0': require_once 'recaptchalib.php'; $reCaptcha = new JReCaptcha($privatekey); $response = $reCaptcha->verifyResponse($remoteip, $response); if (!isset($response->success) || !$response->success) { // @todo use exceptions here if (is_array($response->errorCodes)) { foreach ($response->errorCodes as $error) { $this->_subject->setError($error); } } return false; } break; } return true; } /** * Encodes the given data into a query string format. * * @param array $data Array of string elements to be encoded * * @return string Encoded request * * @since 2.5 */ private function _recaptcha_qsencode($data) { $req = ''; foreach ($data as $key => $value) { $req .= $key . '=' . urlencode(stripslashes($value)) . '&'; } // Cut the last '&' $req = rtrim($req, '&'); return $req; } /** * Submits an HTTP POST to a reCAPTCHA server. * * @param string $host Host name to POST to. * @param string $path Path on host to POST to. * @param array $data Data to be POSTed. * @param int $port Optional port number on host. * * @return array Response * * @since 2.5 */ private function _recaptcha_http_post($host, $path, $data, $port = 80) { $req = $this->_recaptcha_qsencode($data); $http_request = "POST $path HTTP/1.0\r\n"; $http_request .= "Host: $host\r\n"; $http_request .= "Content-Type: application/x-www-form-urlencoded;\r\n"; $http_request .= "Content-Length: " . strlen($req) . "\r\n"; $http_request .= "User-Agent: reCAPTCHA/PHP\r\n"; $http_request .= "\r\n"; $http_request .= $req; $response = ''; if (($fs = @fsockopen($host, $port, $errno, $errstr, 10)) === false) { die('Could not open socket'); } fwrite($fs, $http_request); while (!feof($fs)) { // One TCP-IP packet $response .= fgets($fs, 1160); } fclose($fs); $response = explode("\r\n\r\n", $response, 2); return $response; } /** * Get the language tag or a custom translation * * @return string * * @since 2.5 */ private function _getLanguage() { $language = JFactory::getLanguage(); $tag = explode('-', $language->getTag()); $tag = $tag[0]; $available = array('en', 'pt', 'fr', 'de', 'nl', 'ru', 'es', 'tr'); if (in_array($tag, $available)) { return "lang : '" . $tag . "',"; } // If the default language is not available, let's search for a custom translation if ($language->hasKey('PLG_RECAPTCHA_CUSTOM_LANG')) { $custom[] = 'custom_translations : {'; $custom[] = "\t" . 'instructions_visual : "' . JText::_('PLG_RECAPTCHA_INSTRUCTIONS_VISUAL') . '",'; $custom[] = "\t" . 'instructions_audio : "' . JText::_('PLG_RECAPTCHA_INSTRUCTIONS_AUDIO') . '",'; $custom[] = "\t" . 'play_again : "' . JText::_('PLG_RECAPTCHA_PLAY_AGAIN') . '",'; $custom[] = "\t" . 'cant_hear_this : "' . JText::_('PLG_RECAPTCHA_CANT_HEAR_THIS') . '",'; $custom[] = "\t" . 'visual_challenge : "' . JText::_('PLG_RECAPTCHA_VISUAL_CHALLENGE') . '",'; $custom[] = "\t" . 'audio_challenge : "' . JText::_('PLG_RECAPTCHA_AUDIO_CHALLENGE') . '",'; $custom[] = "\t" . 'refresh_btn : "' . JText::_('PLG_RECAPTCHA_REFRESH_BTN') . '",'; $custom[] = "\t" . 'help_btn : "' . JText::_('PLG_RECAPTCHA_HELP_BTN') . '",'; $custom[] = "\t" . 'incorrect_try_again : "' . JText::_('PLG_RECAPTCHA_INCORRECT_TRY_AGAIN') . '",'; $custom[] = '},'; $custom[] = "lang : '" . $tag . "',"; return implode("\n", $custom); } // If nothing helps fall back to english return ''; } }