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February 26, 2018 09:05
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Chrome extension that fails to adjust HTTP status line code.
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| let count = 0; | |
| function listener1(details){ | |
| return {cancel: true}; | |
| } | |
| function listener2(details){ | |
| console.log(count++, details); | |
| if (!details) return; | |
| for (let i = 0; i < details.responseHeaders.length; i++){ | |
| if (details.responseHeaders[i].name === 'status'){ | |
| details.responseHeaders[i].value = '500'; | |
| break; | |
| } | |
| } | |
| details.responseHeaders.push({name: 'josh', value: 'count: ' + count}); | |
| // Response is of type "Blocking Response" | |
| return {responseHeaders: details.responseHeaders}; | |
| } | |
| // Cancel and response headers cannot be combined. | |
| function listener3(details){ | |
| console.log(count++, details); | |
| if (!details) return; | |
| for (let i = 0; i < details.responseHeaders.length; i++){ | |
| if (details.responseHeaders[i].name === 'status'){ | |
| details.responseHeaders[i].value = '500'; | |
| break; | |
| } | |
| } | |
| details.responseHeaders.push({name: 'josh', value: 'count: ' + count}); | |
| // Response is of type "Blocking Response" | |
| return {cancel: true, responseHeaders: []}; | |
| } | |
| const filter1 = '<all_urls>'; | |
| const filter2 = 'https://www.google.com/' | |
| chrome.webRequest.onHeadersReceived.addListener(listener2, { urls: [filter2] }, ['blocking', 'responseHeaders']); |
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| { | |
| "name": "Server Error Simulation Extension", | |
| "description" : "Base Level Extension", | |
| "version": "1.0", | |
| "manifest_version": 2, | |
| "browser_action": { | |
| "default_popup": "popup.html", | |
| "default_icon": "logo.png" | |
| }, | |
| "background": { | |
| "persistent": true, | |
| "scripts": ["background.js"] | |
| }, | |
| "permissions": [ | |
| "activeTab", | |
| "storage", | |
| "webRequest", | |
| "webRequestBlocking", | |
| "*://*.com/" | |
| ] | |
| } |
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| <html> | |
| <body> | |
| <h1>Simulate Error</h1> | |
| </body> | |
| <form> | |
| <input type="text" placeholder="pattern"> | |
| <input type="number" placeholder="503"> | |
| </form> | |
| </html> |
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