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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,3 @@ | ||
| <!doctype html> | ||
| <textarea id="text"></textarea> | ||
| <script src="offscreen.js"></script> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,74 @@ | ||
| // Copyright 2023 Google LLC | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // https://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| // Once the message has been posted from the service worker, checks are made to | ||
| // confirm the message type and target before proceeding. This is so that the | ||
| // module can easily be adapted into existing workflows where secondary uses for | ||
| // the document (or alternate offscreen documents) might be implemented. | ||
|
|
||
| // Registering this listener when the script is first executed ensures that the | ||
| // offscreen document will be able to receive messages when the promise returned | ||
| // by `offscreen.createDocument()` resolves. | ||
| chrome.runtime.onMessage.addListener(handleMessages); | ||
|
|
||
| // This function performs basic filtering and error checking on messages before | ||
| // dispatching the | ||
| // message to a more specific message handler. | ||
| async function handleMessages(message) { | ||
| // Return early if this message isn't meant for the offscreen document. | ||
| if (message.target !== 'offscreen-doc') { | ||
| return; | ||
| } | ||
|
|
||
| // Dispatch the message to an appropriate handler. | ||
| switch (message.type) { | ||
| case 'copy-data-to-clipboard': | ||
| handleClipboardWrite(message.data); | ||
| break; | ||
| default: | ||
| console.warn(`Unexpected message type received: '${message.type}'.`); | ||
| } | ||
| } | ||
|
|
||
| // We use a <textarea> element for two main reasons: | ||
| // 1. preserve the formatting of multiline text, | ||
| // 2. select the node's content using this element's `.select()` method. | ||
| const textEl = document.querySelector('#text'); | ||
|
|
||
| // Use the offscreen document's `document` interface to write a new value to the | ||
| // system clipboard. | ||
| // | ||
| // At the time this demo was created (Jan 2023) the `navigator.clipboard` API | ||
| // requires that the window is focused, but offscreen documents cannot be | ||
| // focused. As such, we have to fall back to `document.execCommand()`. | ||
| async function handleClipboardWrite(data) { | ||
| try { | ||
| // Error if we received the wrong kind of data. | ||
| if (typeof data !== 'string') { | ||
| throw new TypeError( | ||
| `Value provided must be a 'string', got '${typeof data}'.` | ||
| ); | ||
| } | ||
|
|
||
| // `document.execCommand('copy')` works against the user's selection in a web | ||
| // page. As such, we must insert the string we want to copy to the web page | ||
| // and to select that content in the page before calling `execCommand()`. | ||
| textEl.value = data; | ||
| textEl.select(); | ||
| document.execCommand('copy'); | ||
| } finally { | ||
| // Job's done! Close the offscreen document. | ||
| window.close(); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,11 +1,32 @@ | ||
| export const copyToClipboard = (str: string) => { | ||
| const el = document.createElement('input'); | ||
| el.value = str; | ||
| el.setAttribute('readonly', ''); | ||
| el.style.display = 'absolute'; | ||
| el.style.left = '-9999px'; | ||
| document.body.appendChild(el); | ||
| el.select(); | ||
| document.execCommand('copy'); | ||
| document.body.removeChild(el); | ||
| export const copyToClipboard = async (str: string) => { | ||
| if (chrome) { | ||
| // Solution 1 - As of Jan 2023, service workers cannot directly interact with | ||
| // the system clipboard using either `navigator.clipboard` or | ||
| // `document.execCommand()`. To work around this, we'll create an offscreen | ||
| // document and pass it the data we want to write to the clipboard. | ||
| await chrome.offscreen.createDocument({ | ||
| url: 'offscreen.html', | ||
| reasons: [chrome.offscreen.Reason.CLIPBOARD], | ||
| justification: 'Write text to the clipboard.' | ||
| }); | ||
|
|
||
| // Now that we have an offscreen document, we can dispatch the | ||
| // message. | ||
| await chrome.runtime.sendMessage({ | ||
| type: 'copy-data-to-clipboard', | ||
| target: 'offscreen-doc', | ||
| data: str | ||
| }); | ||
| } | ||
| if (document) { | ||
| const el = document.createElement('input'); | ||
| el.value = str; | ||
| el.setAttribute('readonly', ''); | ||
| el.style.display = 'absolute'; | ||
| el.style.left = '-9999px'; | ||
| document.body.appendChild(el); | ||
| el.select(); | ||
| document.execCommand('copy'); | ||
| document.body.removeChild(el); | ||
| } | ||
| }; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,14 +1,25 @@ | ||
| import { api } from '../api'; | ||
|
|
||
| export const fillInput = async (text: string) => { | ||
| console.log(text); | ||
| await api.tabs.executeScript({ | ||
| code: ` | ||
| if (!document.querySelectorAll("input[type='password']")[0]) { | ||
| alert('No he encontrado donde poner la contraseña ☹️'); | ||
| } else { | ||
| document.querySelectorAll("input[type='password']")[0].value = '${text}'; | ||
| document.querySelectorAll("input[type='password']")[0].closest('form').submit(); | ||
| }`, | ||
| chrome.tabs.query({ active: true, currentWindow: true }, (tabs) => { | ||
| if (tabs.length > 0 && tabs[0].id) { | ||
| chrome.scripting.executeScript({ | ||
| target: { tabId: tabs[0].id }, | ||
| func: (password) => { | ||
| // Injected function that fills in the password field | ||
| const passwordInput: HTMLInputElement = document.querySelector("input[type='password']"); | ||
| if (!passwordInput) { | ||
| alert('No password field found ☹️'); | ||
| } else { | ||
| passwordInput.value = password; | ||
| const form = passwordInput.closest('form'); | ||
| if (form) { | ||
| form.submit(); | ||
| } | ||
| } | ||
| }, | ||
| args: [text], // Pass the password text to the injected function | ||
| }); | ||
| } | ||
| }); | ||
| }; |
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