diff options
author | vnugent <public@vaughnnugent.com> | 2023-09-06 13:51:13 -0400 |
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committer | vnugent <public@vaughnnugent.com> | 2023-09-06 13:51:13 -0400 |
commit | cd8e865dad326f85ff2357ad90bbd6aa65dea68e (patch) | |
tree | 0d4a0bb8bafc4f807407e99c5e6bf4e1cb34217a /extension/src/entries/contentScript/nostr-shim.js |
initial commit
Diffstat (limited to 'extension/src/entries/contentScript/nostr-shim.js')
-rw-r--r-- | extension/src/entries/contentScript/nostr-shim.js | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/extension/src/entries/contentScript/nostr-shim.js b/extension/src/entries/contentScript/nostr-shim.js new file mode 100644 index 0000000..26b17a9 --- /dev/null +++ b/extension/src/entries/contentScript/nostr-shim.js @@ -0,0 +1,87 @@ +// Copyright (C) 2023 Vaughn Nugent +// +// This program is free software: you can redistribute it and/or modify +// it under the terms of the GNU Affero General Public License as +// published by the Free Software Foundation, either version 3 of the +// License, or (at your option) any later version. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU Affero General Public License for more details. +// +// You should have received a copy of the GNU Affero General Public License +// along with this program. If not, see <https://www.gnu.org/licenses/>. + + +import { runtime } from "webextension-polyfill"; +import { isEqual, isNil, isEmpty } from 'lodash' +import { sendMessage } from 'webext-bridge/content-script' +import { apiCall } from '@vnuge/vnlib.browser' +import { useManagment } from './../../bg-api/content-script' + +const { getSiteConfig } = useManagment() +const nip07Enabled = () => getSiteConfig().then(p => p.autoInject); + +//Setup listener for the content script to process nostr messages + +const ext = '@vnuge/nvault-extension' + +let _promptHandler = () => {} + +export const usePrompt = (callback) => { + //Register the callback + _promptHandler = async (event) => { + return new Promise((resolve, reject) => { + callback(event).then(resolve).catch(reject) + }) + } + return {} +} + +//Only inject the script if the site has autoInject enabled +nip07Enabled().then(enabled => { + console.log('Nip07 enabled:', enabled) + if (enabled) { + // inject the script that will provide window.nostr + let script = document.createElement('script'); + script.setAttribute('async', 'false'); + script.setAttribute('type', 'text/javascript'); + script.setAttribute('src', runtime.getURL('src/entries/nostr-provider.js')); + document.head.appendChild(script); + + //Only listen for messages if injection is enabled + window.addEventListener('message', async ({ source, data, origin }) => { + //Confirm the message format is correct + if (!isEqual(source, window) || isEmpty(data) || isNil(data.type)) { + return + } + //Confirm extension is for us + if (!isEqual(data.ext, ext)) { + return + } + + // pass on to background + var response; + await apiCall(async () => { + switch (data.type) { + case 'getPublicKey': + case 'signEvent': + //Check the public key against selected key + case 'getRelays': + case 'nip04.encrypt': + case 'nip04.decrypt': + //await propmt for user to allow the request + const allow = await _promptHandler({ ...data, origin }) + //send request to background + response = allow ? await sendMessage(data.type, { ...data.payload, origin }) : { error: 'User denied permission' } + break; + default: + throw new Error('Unknown nostr message type') + } + }) + // return response message, must have the same id as the request + window.postMessage({ ext, id: data.id, response }, origin); + }); + } +}) |