dokuwiki\HTTP\Headers::contentSecurityPolicy()

Complexity

Conditions	5
Paths	9

Size

Total Lines

22

Duplication

Lines	0
Ratio	0 %

Importance

Changes

0

<?php
    static public function contentSecurityPolicy($policy)
    {
        foreach ($policy as $key => $values) {
            // if the value is not an array, we also accept newline terminated strings
            if (!is_array($values)) $values = explode("\n", $values);
            $values = array_map('trim', $values);
            $values = array_unique($values);
            $values = array_filter($values);
            $policy[$key] = $values;
        }

        $cspheader = 'Content-Security-Policy:';
        foreach ($policy as $key => $values) {
            if ($values) {
                $cspheader .= " $key " . join(' ', $values) . ';';
            } else {
                $cspheader .= " $key;";
            }
        }

        header($cspheader);
    }
}