ÿØÿà JFIF ÿÛ „ ( % "1!%)+... 383,7(-.+
- +++--++++---+-+-----+---------------+---+-++7-----ÿÀ ß â" ÿÄ ÿÄ H !1AQaq"‘¡2B±ÁÑð#R“Ò Tbr‚²á3csƒ’ÂñDS¢³$CÿÄ ÿÄ % !1AQa"23‘ÿÚ ? ôÿ ¨pŸªáÿ —åYõõ\?àÒü©ŠÄï¨pŸªáÿ —åYõõ\?àÓü©ŠÄá 0Ÿªáÿ Ÿå[úƒ ú® ði~TÁbqÐ8OÕpÿ ƒOò¤Oè`–RÂáœá™êi€ßÉ< FtŸI“öÌ8úDf´°å}“¾œ6
öFá°y¥jñÇh†ˆ¢ã/ÃÐ :ªcÈ
"Y¡ðÑl> ÿ ”ÏËte:qž\oäŠe÷ó²·˜HT4& ÿ ÓÐü6ö®¿øþ ßèô Ÿ•7Ñi’•j|“ñì>b…þS?*Óô ÿ ÓÐü*h¥£ír¶ü UãSç‚Ÿ[AÐaè[ûª•õ&õj?†Éö+EzP—WeÒírJFt ‘BŒ†Ï‡%#tE Øz ¥OÛ«!1›üä±Í™%ºÍãö]°î(–:@<‹ŒÊö× òÆt¦ãº+‡¦%Ìòh´OƒJŒtM Ü> ÀÜÊw3Y´•ç‰‹4ÇýÊ Tì>œú=Íwhyë,¾Ôò×õ¿ßÊa»«þˆ ѪQ|%6ž™ A õ%:øj<>É—ÿ Å_ˆCbõ¥š±ý¯Ýƒï…¶|RëócÍf溪“t.СøTÿ *Ä¿-{†çàczůŽ_–^Xþ Œ±miB[X±d 1,é”zEù»&
î9gœf™9Ð'.;—™i}!ôšåîqêÛ٤ёý£½ÆA–àôe"A$ËÚsäÿ
÷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[¨íÈRëÉä¢mgÑ.Ÿ<öäS0í„ǹÁU´f#Vß;Õ–…P@3ío<ä-±»Ž.L|kªÀê›fÂ6@»eu‚|ÓaÞÆŸ…¨ááå>åŠ?cKü6ùTÍÆ”†s ĤÚ;H2RÚ†õ\Ö·Ÿn'¾ ñ#ºI¤Å´%çÁ‚â7›‹qT3Iï¨ÖÚ5I7Ë!ÅOóŸ¶øÝñØôת¦$Tc ö‘[«Ö³šÒ';Aþ ¸èíg
A2Z"i¸vd Ä÷.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-GˆªÅËŠ›•zË}º±ŽÍFò¹}Uw×# ä5B¤{î}Ð <ÙD
é©¤&‡ïDbàÁôMÁ.registration = $registration;
$this->deployment_id = $deployment_id;
$this->deep_link_settings = $deep_link_settings;
}
public function getResponseJwt($resources)
{
$message_jwt = [
'iss' => $this->registration->getClientId(),
'aud' => [$this->registration->getIssuer()],
'exp' => time() + 600,
'iat' => time(),
'nonce' => LtiOidcLogin::secureRandomString('nonce-'),
LtiConstants::DEPLOYMENT_ID => $this->deployment_id,
LtiConstants::MESSAGE_TYPE => LtiConstants::MESSAGE_TYPE_DEEPLINK_RESPONSE,
LtiConstants::VERSION => LtiConstants::V1_3,
LtiConstants::DL_CONTENT_ITEMS => array_map(function ($resource) {
return $resource->toArray();
}, $resources),
];
// https://www.imsglobal.org/spec/lti-dl/v2p0/#deep-linking-request-message
// 'data' is an optional property which, if it exists, must be returned by the tool
if (isset($this->deep_link_settings['data'])) {
$message_jwt[LtiConstants::DL_DATA] = $this->deep_link_settings['data'];
}
return JWT::encode($message_jwt, $this->registration->getToolPrivateKey(), 'RS256', $this->registration->getKid());
}
/**
* This method builds an auto-submitting HTML form to post the deep linking response message
* back to platform, as per LTI-DL 2.0 specification. The resulting HTML is then written to standard output,
* so calling this method will automatically send an HTTP response to conclude the content selection flow.
*
* @param LtiDeepLinkResource[] $resources The list of selected resources to be sent to the platform
*
* @todo Consider wrapping the content inside a well-formed HTML document,
* and returning it instead of directly writing to standard output
*/
public function outputResponseForm($resources)
{
$jwt = $this->getResponseJwt($resources);
$formActionUrl = $this->deep_link_settings['deep_link_return_url'];
echo <<
HTML;
}
}