Ejemplo n.º 1
0
    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', null, PARAM_ALPHA);
        $ok = !empty($contexttype) && !empty($contextid) &&
              !empty($vendorcode) && !empty($productcode) &&
              $this->get_service()->check_tool_proxy($productcode, $response->get_request_data());
        if (!$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(404);
        } else {
            $systemsetting = null;
            $contextsettings = lti_get_tool_settings($this->get_service()->get_tool_proxy()->id, $contextid);
            if (!is_null($bubble)) {
                $systemsetting = new \ltiservice_toolsettings\resource\systemsettings($this->get_service());
                $systemsetting->params['tool_proxy_id'] = $productcode;
                $systemsettings = lti_get_tool_settings($this->get_service()->get_tool_proxy()->id);
                if ($bubble == 'distinct') {
                    \ltiservice_toolsettings\service\toolsettings::distinct_settings($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";
                }
                $settings = \ltiservice_toolsettings\service\toolsettings::settings_to_json($systemsettings, $simpleformat,
                    'ToolProxy', $systemsetting);
                $json .= $settings;
                $isfirst = strlen($settings) <= 0;
                $settings = \ltiservice_toolsettings\service\toolsettings::settings_to_json($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());
                    $ok = !is_null($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);
                    $ok = !is_null($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, $contextid);
                } else {
                    $response->set_code(406);
                }
            }
        }
    }
Ejemplo n.º 2
0
    public function execute($response) {
        global $DB, $COURSE;

        $params = $this->parse_template();
        $linkid = $params['link_id'];
        $bubble = optional_param('bubble', null, PARAM_ALPHA);
        $contenttype = $response->get_accept();
        $simpleformat = !is_null($contenttype) && ($contenttype == $this->formats[1]);
        $ok = (is_null($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);
        }

        $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 = $this->get_service()->check_tool_proxy($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, $linkid);
            if (!is_null($bubble)) {
                $contextsetting = new \ltiservice_toolsettings\resource\contextsettings($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);
                $systemsetting = new \ltiservice_toolsettings\resource\systemsettings($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 ($bubble == 'distinct') {
                    \ltiservice_toolsettings\service\toolsettings::distinct_settings($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";
                }
                $settings = \ltiservice_toolsettings\service\toolsettings::settings_to_json($systemsettings, $simpleformat,
                    'ToolProxy', $systemsetting);
                $json .= $settings;
                $isfirst = strlen($settings) <= 0;
                $settings = \ltiservice_toolsettings\service\toolsettings::settings_to_json($contextsettings, $simpleformat,
                    'ToolProxyBinding', $contextsetting);
                if (strlen($settings) > 0) {
                    if (!$isfirst) {
                        $json .= ",";
                    }
                    $isfirst = false;
                }
                $json .= $settings;
                $settings = \ltiservice_toolsettings\service\toolsettings::settings_to_json($linksettings, $simpleformat,
                    'LtiLink', $this);
                if ((strlen($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());
                    $ok = !is_null($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);
                    $ok = !is_null($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, $lti->course, $linkid);
                } else {
                    $response->set_code(406);
                }
            }
        }
    }