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Test Intercom Content Security Policy as per https://docs.intercom.com/configure-intercom-for-your-product-or-site/staying-secure/using-intercom-with-content-security-policy
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| <?php | |
| $random = rand(); | |
| $date = date('Y-m-d H:i:s'); | |
| $report_to_file = true; | |
| $report_page = "./csp.php?report=1"; | |
| $report_file_name = "report.txt"; | |
| $intercom_app_id = "YOUR_APP_ID"; | |
| $config = [ | |
| 'report' => (@$_GET['report'] == "1"), | |
| 'usemeta' => (@$_GET['usemeta'] == "1"), | |
| 'v2' => (@$_GET['v2'] == "1"), | |
| 'reportonly' => (@$_GET['reportonly'] == "1"), | |
| ]; | |
| if($config['report']){ | |
| $data = $date . ": " . $random . " | " . file_get_contents("php://input") . "\n"; | |
| if($report_to_file) | |
| file_put_contents($report_file_name, $data, FILE_APPEND); | |
| die(); | |
| } | |
| $report_page_policy = ($config["usemeta"] ? "" : "report-uri $report_page;"); | |
| $v3 = "". | |
| " object-src 'none'; " . | |
| $report_page_policy . | |
| " script-src 'nonce-" . $random . "' 'unsafe-inline' 'unsafe-eval' 'strict-dynamic' https: http:; " . | |
| " base-uri 'self'; " . | |
| ""; | |
| $v2 = "". | |
| $report_page_policy . | |
| "connect-src " . | |
| " https://api.intercom.io " . | |
| " https://api-iam.intercom.io " . | |
| " https://api-ping.intercom.io " . | |
| " https://nexus-websocket-a.intercom.io " . | |
| " https://nexus-websocket-b.intercom.io " . | |
| " https://nexus-long-poller-a.intercom.io " . | |
| " https://nexus-long-poller-b.intercom.io " . | |
| " wss://nexus-websocket-a.intercom.io " . | |
| " wss://nexus-websocket-b.intercom.io " . | |
| " https://uploads.intercomcdn.com " . | |
| " https://uploads.intercomusercontent.com " . | |
| " https://app.getsentry.com " . | |
| "; " . | |
| "child-src " . | |
| " https://share.intercom.io " . | |
| " https://intercom-sheets.com " . | |
| " https://www.youtube.com " . | |
| " https://player.vimeo.com " . | |
| " https://fast.wistia.net " . | |
| "; " . | |
| "font-src " . | |
| " https://js.intercomcdn.com " . | |
| "; " . | |
| "media-src " . | |
| " https://js.intercomcdn.com " . | |
| "; " . | |
| "img-src " . | |
| " data: " . | |
| " https://js.intercomcdn.com " . | |
| " https://static.intercomassets.com " . | |
| " https://downloads.intercomcdn.com " . | |
| " https://uploads.intercomusercontent.com " . | |
| " https://gifs.intercomcdn.com " . | |
| "; " . | |
| "script-src " . | |
| " https://app.intercom.io " . | |
| " https://widget.intercom.io " . | |
| " https://js.intercomcdn.com " . | |
| " 'nonce-" . $random . "' " . // added line to allow inline script at bottom of page to run | |
| "; " . | |
| "style-src " . | |
| " 'unsafe-inline' " . | |
| ""; | |
| $type = $config["reportonly"] ? "Content-Security-Policy-Report-Only" : "Content-Security-Policy"; | |
| $policy = ($config["v2"] ? $v2 : $v3); | |
| if(!$config["usemeta"]) header($type . ":" . $policy); | |
| ?><html> | |
| <head> | |
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
| <?php if($config["usemeta"]) : ?> | |
| <meta http-equiv="<?php echo $type ?>" content="<?php echo $policy ?>"> | |
| <?php endif; ?> | |
| </head> | |
| <body> | |
| <h1>Intercom CSP test page</h1> | |
| <p><a href="https://docs.intercom.com/configure-intercom-for-your-product-or-site/staying-secure/using-intercom-with-content-security-policy">Source article/configuration</a></p> | |
| <?php | |
| $url = $_SERVER['PHP_SELF']; | |
| parse_str($_SERVER['QUERY_STRING'], $query); | |
| ?> | |
| <div> | |
| <?php $tmp = $query; $tmp['v2'] = !$tmp['v2']; ?> | |
| <a class="button" href="<?php echo "$url?" . http_build_query($tmp) ?>">Toggle version</a> currently | |
| <?php if($config["v2"]) : ?> | |
| V1/V2 | |
| <?php else : ?> | |
| V3 | |
| <?php endif; ?> | |
| </div> | |
| <div> | |
| <?php $tmp = $query; $tmp['usemeta'] = !$tmp['usemeta']; ?> | |
| <a class="button" href="<?php echo "$url?" . http_build_query($tmp) ?>">Toggle using meta</a> currently | |
| <?php if($config["usemeta"]) : ?> | |
| YES | |
| <?php else : ?> | |
| NO | |
| <?php endif; ?> | |
| </div> | |
| <div> | |
| <?php $tmp = $query; $tmp['reportonly'] = !$tmp['reportonly']; ?> | |
| <a class="button" href="<?php echo "$url?" . http_build_query($tmp) ?>">Toggle report</a> currently | |
| <?php if($config["reportonly"]) : ?> | |
| reportonly | |
| <?php else : ?> | |
| enforced | |
| <?php endif; ?> | |
| </div> | |
| <h2>Policy in use</h2> | |
| <pre><?php echo str_replace("wss://", "\n wss://", | |
| str_replace("http://", "\n http://", | |
| str_replace("https://", "\n https://", | |
| str_replace(";", ";\n\n", $policy)))); ?></pre> | |
| <script type="text/javascript" nonce="<?php echo $random ?>"> | |
| var APP_ID = "<?php echo $intercom_app_id ?>"; | |
| (function(){var w=window;var ic=w.Intercom;if(typeof ic==="function"){ic('reattach_activator');ic('update',intercomSettings);}else{var d=document;var i=function(){i.c(arguments)};i.q=[];i.c=function(args){i.q.push(args)};w.Intercom=i;function l(){var s=d.createElement('script');s.type='text/javascript';s.async=true; | |
| s.src='https://widget.intercom.io/widget/'+APP_ID;var x=d.getElementsByTagName('script')[0];x.parentNode.insertBefore(s,x);}if(w.attachEvent){w.attachEvent('onload',l);}else{w.addEventListener('load',l,false);}}})() | |
| window.intercomSettings = {app_id: APP_ID}; | |
| </script> | |
| </div> | |
| </div> | |
| </html> |
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