action_plugin_dokusioc::isRdfXmlRequest()

Complexity

Conditions	9
Paths	4

Size

Total Lines	54
Code Lines	20

Duplication

Lines	0
Ratio	0 %

Importance

Changes	2
Bugs	0	Features	0

<?php
    public function isRdfXmlRequest(): bool {
        // get accepted types
        $http_accept = trim($_SERVER['HTTP_ACCEPT']);

        // save accepted types in array
        $accepted = explode(',', $http_accept);

        /*
        $debuginfo = implode(' // ', array(date('c',$_SERVER['REQUEST_TIME']), $_SERVER['HTTP_REFERER'],
        $_SERVER['REMOTE_ADDR'], $_SERVER['REMOTE_HOST'], $_SERVER['HTTP_USER_AGENT'], $_SERVER['HTTP_ACCEPT']));
        global $conf; //print_r($conf); die();
        //die($debuginfo);
        $debuglog = @fopen($conf['tmpdir'].DIRECTORY_SEPARATOR.'requests.log', 'ab');
        @fwrite($debuglog, $debuginfo."\n");
        @fclose($debuglog);
        @chmod($conf['tmpdir'].DIRECTORY_SEPARATOR.'requests.log', 0777);
        */

        // soft check, route to RDF when client requests it (don't check quality of request)

        if($this->getConf('softck') && strpos($_SERVER['HTTP_ACCEPT'], 'application/rdf+xml') !== false) {
            return true;
        }

        if(count($accepted) > 0) {
            // hard check, only serve RDF if it is requested first or equal to first type

            // extract accepting ratio
            $test_accept = array();
            foreach($accepted as $format) {
                $formatspec = explode(';', $format);
                $k          = trim($formatspec[0]);
                if(count($formatspec) === 2) {
                    $test_accept[$k] = trim($formatspec[1]);
                } else {
                    $test_accept[$k] = 'q=1.0';
                }
            }

            // sort by ratio
            arsort($test_accept);
            $accepted_order = array_keys($test_accept);

            if($accepted_order[0] === 'application/rdf+xml' ||
                (array_key_exists('application/rdf+xml', $test_accept)
                    && $test_accept['application/rdf+xml'] === 'q=1.0')
            ) {
                return true;
            }
        }

        // print_r($accepted_order);print_r($test_accept);die();

        return false;