/**
* Execute the request for this resource.
*
* @param mod_lti\local\ltiservice\response $response Response object for this request.
*/
public function execute($response)
{
$params = $this->parse_template();
$contexttype = $params['context_type'];
$contextid = $params['context_id'];
$vendorcode = $params['vendor_code'];
$productcode = $params['product_code'];
$bubble = optional_param('bubble', '', PARAM_ALPHA);
$ok = !empty($contexttype) && !empty($contextid) && !empty($vendorcode) && !empty($productcode) && $this->check_tool_proxy($productcode, $response->get_request_data());
if (!$ok) {
$response->set_code(401);
}
$contenttype = $response->get_accept();
$simpleformat = !empty($contenttype) && $contenttype == $this->formats[1];
if ($ok) {
$ok = (empty($bubble) || ($bubble == 'distinct' || $bubble == 'all')) && (!$simpleformat || empty($bubble) || $bubble != 'all') && (empty($bubble) || $response->get_request_method() == 'GET');
}
if (!$ok) {
$response->set_code(404);
} else {
$systemsetting = null;
$contextsettings = lti_get_tool_settings($this->get_service()->get_tool_proxy()->id, $contextid);
if (!empty($bubble)) {
$systemsetting = new systemsettings($this->get_service());
$systemsetting->params['tool_proxy_id'] = $productcode;
$systemsettings = lti_get_tool_settings($this->get_service()->get_tool_proxy()->id);
if ($bubble == 'distinct') {
toolsettings::distinct_settings($systemsettings, $contextsettings, null);
}
} else {
$systemsettings = null;
}
if ($response->get_request_method() == 'GET') {
$json = '';
if ($simpleformat) {
$response->set_content_type($this->formats[1]);
$json .= "{";
} else {
$response->set_content_type($this->formats[0]);
$json .= "{\n \"@context\":\"http://purl.imsglobal.org/ctx/lti/v2/ToolSettings\",\n \"@graph\":[\n";
}
$settings = toolsettings::settings_to_json($systemsettings, $simpleformat, 'ToolProxy', $systemsetting);
$json .= $settings;
$isfirst = strlen($settings) <= 0;
$settings = toolsettings::settings_to_json($contextsettings, $simpleformat, 'ToolProxyBinding', $this);
if (strlen($settings) > 0 && !$isfirst) {
$json .= ",";
}
$json .= $settings;
if ($simpleformat) {
$json .= "\n}";
} else {
$json .= "\n ]\n}";
}
$response->set_body($json);
} else {
// PUT.
$settings = null;
if ($response->get_content_type() == $this->formats[0]) {
$json = json_decode($response->get_request_data());
$ok = !empty($json);
if ($ok) {
$ok = isset($json->{"@graph"}) && is_array($json->{"@graph"}) && count($json->{"@graph"}) == 1 && $json->{"@graph"}[0]->{"@type"} == 'ToolProxyBinding';
}
if ($ok) {
$settings = $json->{"@graph"}[0]->custom;
}
} else {
// Simple JSON.
$json = json_decode($response->get_request_data(), true);
$ok = !empty($json);
if ($ok) {
$ok = is_array($json);
}
if ($ok) {
$settings = $json;
}
}
if ($ok) {
lti_set_tool_settings($settings, $this->get_service()->get_tool_proxy()->id, $contextid);
} else {
$response->set_code(406);
}
}
}
}
/**
* This function builds the custom parameters
*
* @param object $toolproxy Tool proxy instance object
* @param object $tool Tool instance object
* @param object $instance Tool placement instance object
* @param array $params LTI launch parameters
* @param string $customstr Custom parameters defined for tool
* @param string $instructorcustomstr Custom parameters defined for this placement
* @param boolean $islti2 True if an LTI 2 tool is being launched
*
* @return array Custom parameters
*/
function lti_build_custom_parameters($toolproxy, $tool, $instance, $params, $customstr, $instructorcustomstr, $islti2)
{
// Concatenate the custom parameters from the administrator and the instructor
// Instructor parameters are only taken into consideration if the administrator
// has given permission.
$custom = array();
if ($customstr) {
$custom = lti_split_custom_parameters($toolproxy, $tool, $params, $customstr, $islti2);
}
if (!isset($typeconfig['allowinstructorcustom']) || $typeconfig['allowinstructorcustom'] != LTI_SETTING_NEVER) {
if ($instructorcustomstr) {
$custom = array_merge(lti_split_custom_parameters($toolproxy, $tool, $params, $instructorcustomstr, $islti2), $custom);
}
}
if ($islti2) {
$custom = array_merge(lti_split_custom_parameters($toolproxy, $tool, $params, $tool->parameter, true), $custom);
$settings = lti_get_tool_settings($tool->toolproxyid);
$custom = array_merge($custom, lti_get_custom_parameters($toolproxy, $tool, $params, $settings));
$settings = lti_get_tool_settings($tool->toolproxyid, $instance->course);
$custom = array_merge($custom, lti_get_custom_parameters($toolproxy, $tool, $params, $settings));
$settings = lti_get_tool_settings($tool->toolproxyid, $instance->course, $instance->id);
$custom = array_merge($custom, lti_get_custom_parameters($toolproxy, $tool, $params, $settings));
}
return $custom;
}
/**
* Execute the request for this resource.
*
* @param mod_lti\local\ltiservice\response $response Response object for this request.
*/
public function execute($response)
{
global $DB, $COURSE;
$params = $this->parse_template();
$linkid = $params['link_id'];
$bubble = optional_param('bubble', '', PARAM_ALPHA);
$contenttype = $response->get_accept();
$simpleformat = !empty($contenttype) && $contenttype == $this->formats[1];
$ok = (empty($bubble) || ($bubble == 'distinct' || $bubble == 'all')) && (!$simpleformat || empty($bubble) || $bubble != 'all') && (empty($bubble) || $response->get_request_method() == 'GET');
if (!$ok) {
$response->set_code(406);
}
$systemsetting = null;
$contextsetting = null;
if ($ok) {
$ok = !empty($linkid);
if ($ok) {
$lti = $DB->get_record('lti', array('id' => $linkid), 'course,typeid', MUST_EXIST);
$ltitype = $DB->get_record('lti_types', array('id' => $lti->typeid));
$toolproxy = $DB->get_record('lti_tool_proxies', array('id' => $ltitype->toolproxyid));
$ok = $this->check_tool_proxy($toolproxy->guid, $response->get_request_data());
}
if (!$ok) {
$response->set_code(401);
}
}
if ($ok) {
$linksettings = lti_get_tool_settings($this->get_service()->get_tool_proxy()->id, $lti->course, $linkid);
if (!empty($bubble)) {
$contextsetting = new contextsettings($this->get_service());
if ($COURSE == 'site') {
$contextsetting->params['context_type'] = 'Group';
} else {
$contextsetting->params['context_type'] = 'CourseSection';
}
$contextsetting->params['context_id'] = $lti->course;
$contextsetting->params['vendor_code'] = $this->get_service()->get_tool_proxy()->vendorcode;
$contextsetting->params['product_code'] = $this->get_service()->get_tool_proxy()->id;
$contextsettings = lti_get_tool_settings($this->get_service()->get_tool_proxy()->id, $lti->course);
$systemsetting = new systemsettings($this->get_service());
$systemsetting->params['tool_proxy_id'] = $this->get_service()->get_tool_proxy()->id;
$systemsettings = lti_get_tool_settings($this->get_service()->get_tool_proxy()->id);
if ($bubble == 'distinct') {
toolsettings::distinct_settings($systemsettings, $contextsettings, $linksettings);
}
} else {
$contextsettings = null;
$systemsettings = null;
}
if ($response->get_request_method() == 'GET') {
$json = '';
if ($simpleformat) {
$response->set_content_type($this->formats[1]);
$json .= "{";
} else {
$response->set_content_type($this->formats[0]);
$json .= "{\n \"@context\":\"http://purl.imsglobal.org/ctx/lti/v2/ToolSettings\",\n \"@graph\":[\n";
}
$settings = toolsettings::settings_to_json($systemsettings, $simpleformat, 'ToolProxy', $systemsetting);
$json .= $settings;
$isfirst = strlen($settings) <= 0;
$settings = toolsettings::settings_to_json($contextsettings, $simpleformat, 'ToolProxyBinding', $contextsetting);
if (strlen($settings) > 0) {
if (!$isfirst) {
$json .= ",";
if (!$simpleformat) {
$json .= "\n";
}
}
$isfirst = false;
}
$json .= $settings;
$settings = toolsettings::settings_to_json($linksettings, $simpleformat, 'LtiLink', $this);
if (strlen($settings) > 0 && !$isfirst) {
$json .= ",";
if (!$simpleformat) {
$json .= "\n";
}
}
$json .= $settings;
if ($simpleformat) {
$json .= "\n}";
} else {
$json .= "\n ]\n}";
}
$response->set_body($json);
} else {
// PUT.
$settings = null;
if ($response->get_content_type() == $this->formats[0]) {
$json = json_decode($response->get_request_data());
$ok = !empty($json);
if ($ok) {
$ok = isset($json->{"@graph"}) && is_array($json->{"@graph"}) && count($json->{"@graph"}) == 1 && $json->{"@graph"}[0]->{"@type"} == 'LtiLink';
}
if ($ok) {
$settings = $json->{"@graph"}[0]->custom;
}
} else {
// Simple JSON.
$json = json_decode($response->get_request_data(), true);
$ok = !empty($json);
if ($ok) {
$ok = is_array($json);
}
if ($ok) {
$settings = $json;
}
}
if ($ok) {
lti_set_tool_settings($settings, $this->get_service()->get_tool_proxy()->id, $lti->course, $linkid);
} else {
$response->set_code(406);
}
}
}
}
public function execute($response) {
$params = $this->parse_template();
$tpid = $params['tool_proxy_id'];
$bubble = optional_param('bubble', null, PARAM_ALPHA);
$ok = !empty($tpid) && $this->get_service()->check_tool_proxy($tpid, $response->get_request_data());
if (!$ok) {
$response->set_code(401);
}
$contenttype = $response->get_accept();
$simpleformat = !is_null($contenttype) && ($contenttype == $this->formats[1]);
if ($ok) {
$ok = (is_null($bubble) || ((($bubble == 'distinct') || ($bubble == 'all')))) &&
(!$simpleformat || is_null($bubble) || ($bubble != 'all')) &&
(is_null($bubble) || ($response->get_request_method() == 'GET'));
if (!$ok) {
$response->set_code(406);
}
}
if ($ok) {
$systemsettings = lti_get_tool_settings($this->get_service()->get_tool_proxy()->id);
if ($response->get_request_method() == 'GET') {
$json = '';
if ($simpleformat) {
$response->set_content_type($this->formats[1]);
$json .= "{";
} else {
$response->set_content_type($this->formats[0]);
$json .= "{\n \"@context\":\"http://purl.imsglobal.org/ctx/lti/v2/ToolSettings\",\n \"@graph\":[\n";
}
$json .= \ltiservice_toolsettings\service\toolsettings::settings_to_json($systemsettings, $simpleformat,
'ToolProxy', $this);
if ($simpleformat) {
$json .= "\n}";
} else {
$json .= "\n ]\n}";
}
$response->set_body($json);
} else { // PUT.
$settings = null;
if ($response->get_content_type() == $this->formats[0]) {
$json = json_decode($response->get_request_data());
$ok = !is_null($json);
if ($ok) {
$ok = isset($json->{"@graph"}) && is_array($json->{"@graph"}) && (count($json->{"@graph"}) == 1) &&
($json->{"@graph"}[0]->{"@type"} == 'ToolProxy');
}
if ($ok) {
$settings = $json->{"@graph"}[0]->custom;
}
} else { // Simple JSON.
$json = json_decode($response->get_request_data(), true);
$ok = !is_null($json);
if ($ok) {
$ok = is_array($json);
}
if ($ok) {
$settings = $json;
}
}
if ($ok) {
lti_set_tool_settings($settings, $this->get_service()->get_tool_proxy()->id);
} else {
$response->set_code(406);
}
}
}
}
