shared-worker-import-csp.html (4826B)
1 <!DOCTYPE html> 2 <title>SharedWorker: CSP for ES Modules</title> 3 <meta name="timeout" content="long"> 4 <script src="/resources/testharness.js"></script> 5 <script src="/resources/testharnessreport.js"></script> 6 <script> 7 8 // This Set is for checking a shared worker in each test is newly created. 9 const existingWorkers = new Set(); 10 11 async function openWindow(url) { 12 const win = window.open(url, '_blank'); 13 add_result_callback(() => win.close()); 14 const msgEvent = await new Promise(resolve => window.onmessage = resolve); 15 assert_equals(msgEvent.data, 'LOADED'); 16 return win; 17 } 18 19 function import_csp_test( 20 cspHeader, importType, expectedImportedModules, description) { 21 // Append CSP header to windowURL for static import tests since static import 22 // scripts should obey Window's CSP. 23 const windowURL = "resources/new-shared-worker-window.html" 24 // Append CSP header to scriptURL as scripts should obey SharedWorker 25 // script's responce's CSP. 26 const scriptURL = `${importType}-import-remote-origin-script-worker.sub.js` + 27 `?pipe=header(Content-Security-Policy, ${cspHeader})`; 28 promise_test(async () => { 29 // Open a window that has the given CSP header. 30 const win = await openWindow(windowURL); 31 // Construct a unique name for SharedWorker. 32 const name = `${cspHeader}_${importType}`; 33 const workerProperties = { scriptURL, name }; 34 // Check if this shared worker is newly created. 35 assert_false(existingWorkers.has(workerProperties)); 36 existingWorkers.add(workerProperties); 37 38 // Ask the window to start a shared worker with the given CSP header. 39 // The shared worker doesn't inherits the window's CSP header. 40 // https://w3c.github.io/webappsec-csp/#initialize-global-object-csp 41 win.postMessage(workerProperties, '*'); 42 const msg_event = await new Promise(resolve => window.onmessage = resolve); 43 assert_array_equals(msg_event.data, expectedImportedModules); 44 }, description); 45 } 46 47 // Tests for static import. 48 // 49 // Static import should obey the worker-src directive and the script-src 50 // directive. If the both directives are specified, the worker-src directive 51 // should be prioritized. 52 // 53 // "The script-src directive acts as a default fallback for all script-like 54 // destinations (including worker-specific destinations if worker-src is not 55 // present)." 56 // https://w3c.github.io/webappsec-csp/#directive-script-src 57 58 import_csp_test( 59 "worker-src 'self' 'unsafe-inline'", "static", 60 ['ERROR'], 61 "worker-src 'self' directive should disallow cross origin static import."); 62 63 import_csp_test( 64 "worker-src * 'unsafe-inline'", "static", 65 ["export-on-load-script.js"], 66 "worker-src * directive should allow cross origin static import."); 67 68 import_csp_test( 69 "script-src 'self' 'unsafe-inline'", "static", 70 ['ERROR'], 71 "script-src 'self' directive should disallow cross origin static import."); 72 73 import_csp_test( 74 "script-src * 'unsafe-inline'", "static", 75 ["export-on-load-script.js"], 76 "script-src * directive should allow cross origin static import."); 77 78 import_csp_test( 79 "worker-src *; script-src 'self' 'unsafe-inline'", "static", 80 ["export-on-load-script.js"], 81 "worker-src * directive should override script-src 'self' directive and " + 82 "allow cross origin static import."); 83 84 import_csp_test( 85 "worker-src 'self'; script-src * 'unsafe-inline'", "static", 86 ['ERROR'], 87 "worker-src 'self' directive should override script-src * directive and " + 88 "disallow cross origin static import."); 89 90 // Tests for dynamic import. 91 // 92 // Dynamic import should obey SharedWorker script's CSP instead of parent 93 // Window's CSP. 94 // 95 // Dynamic import should obey the script-src directive instead of the worker-src 96 // directive according to the specs: 97 // 98 // Dynamic import has the "script" destination. 99 // Step 3: "Fetch a single module script graph given url, ..., "script", ..." 100 // https://html.spec.whatwg.org/multipage/webappapis.html#fetch-an-import()-module-script-graph 101 // 102 // The "script" destination should obey the script-src CSP directive. 103 // "The script-src directive acts as a default fallback for all script-like 104 // destinations (including worker-specific destinations if worker-src is not 105 // present)." 106 // https://w3c.github.io/webappsec-csp/#directive-script-src 107 108 import_csp_test( 109 "script-src 'self' 'unsafe-inline'", "dynamic", 110 ['ERROR'], 111 "script-src 'self' directive should disallow cross origin dynamic import."); 112 113 import_csp_test( 114 "script-src * 'unsafe-inline'", "dynamic", 115 ["export-on-load-script.js"], 116 "script-src * directive should allow cross origin dynamic import."); 117 118 import_csp_test( 119 "worker-src 'self' 'unsafe-inline'", "dynamic", 120 ["export-on-load-script.js"], 121 "worker-src 'self' directive should not take effect on dynamic import."); 122 123 </script>