예제 #1
0
 /**
  * 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);
             }
         }
     }
 }
예제 #2
0
 /**
  * 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);
             }
         }
     }
 }