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PHP code example of elgg / content-security-policy

1. Go to this page and download the library: Download elgg/content-security-policy library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php.

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

elgg / content-security-policy example snippets


use Elgg\ContentSecurityPolicy\Directive;
use Elgg\ContentSecurityPolicy\Header;
use Elgg\ContentSecurityPolicy\Policy;
use Elgg\ContentSecurityPolicy\Source;

$policy = new Policy();
$policy = $policy->withSource(Directive::DEFAULT_SRC(), Source::SELF)
            ->withSource(Directive::IMAGE_SRC(), Source::DATA);
            
header(Header::STANDARD . ": $policy");
// Sends "Content-Security-Policy: default-src 'self'; img-src data:"


$policy = new Policy();
echo $policy; // default-src 'none'; sandbox