145 lines
4.0 KiB
JavaScript
145 lines
4.0 KiB
JavaScript
import browser from 'webextension-polyfill'
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export const NO_PERMISSIONS_REQUIRED = {
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replaceURL: true,
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peekPublicKey: true
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}
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export const PERMISSION_NAMES = Object.fromEntries([
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['getPublicKey', 'read your public key'],
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['signEvent', 'sign events using your private key'],
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['nip04.encrypt', 'encrypt messages to peers'],
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['nip04.decrypt', 'decrypt messages from peers'],
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['nip44.encrypt', 'encrypt messages to peers'],
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['nip44.decrypt', 'decrypt messages from peers']
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])
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function matchConditions(conditions, event) {
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if (conditions?.kinds) {
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if (event.kind in conditions.kinds) return true
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else return false
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}
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return true
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}
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export async function getPermissionStatus(host, type, event) {
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const { policies } = await browser.storage.local.get('policies')
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const answers = [true, false]
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for (let i = 0; i < answers.length; i++) {
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const accept = answers[i]
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const { conditions } = policies?.[host]?.[accept]?.[type] || {}
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if (conditions) {
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if (type === 'signEvent') {
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if (matchConditions(conditions, event)) {
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return accept // may be true or false
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} else {
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}
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} else {
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return accept // may be true or false
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}
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}
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}
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return undefined
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}
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export async function updatePermission(host, type, accept, conditions) {
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const { policies = {} } = await browser.storage.local.get('policies')
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// if the new conditions is "match everything", override the previous
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if (Object.keys(conditions).length === 0) {
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conditions = {}
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} else {
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// if we already had a policy for this, merge the conditions
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const existingConditions = policies[host]?.[accept]?.[type]?.conditions
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if (existingConditions) {
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if (existingConditions.kinds && conditions.kinds) {
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Object.keys(existingConditions.kinds).forEach((kind) => {
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conditions.kinds[kind] = true
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})
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}
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}
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}
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// if we have a reverse policy (accept / reject) that is exactly equal to this, remove it
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const other = !accept
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const reverse = policies?.[host]?.[other]?.[type]
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if (
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reverse &&
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JSON.stringify(reverse.conditions) === JSON.stringify(conditions)
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) {
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delete policies[host][other][type]
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}
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// insert our new policy
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policies[host] = policies[host] || {}
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policies[host][accept] = policies[host][accept] || {}
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policies[host][accept][type] = {
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conditions, // filter that must match the event (in case of signEvent)
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created_at: Math.round(Date.now() / 1000)
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}
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browser.storage.local.set({ policies })
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}
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export async function removePermissions(host, accept, type) {
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const { policies = {} } = await browser.storage.local.get('policies')
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delete policies[host]?.[accept]?.[type]
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browser.storage.local.set({ policies })
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}
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export async function showNotification(host, answer, type, params) {
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const { notifications } = await browser.storage.local.get('notifications')
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if (notifications) {
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const action = answer ? 'allowed' : 'denied'
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browser.notifications.create(undefined, {
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type: 'basic',
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title: `${type} ${action} for ${host}`,
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message: JSON.stringify(
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params?.event
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? {
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kind: params.event.kind,
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content: params.event.content,
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tags: params.event.tags
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}
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: params,
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null,
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2
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),
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iconUrl: 'icons/48x48.png'
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})
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}
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}
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export async function getPosition(width, height) {
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let left = 0
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let top = 0
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try {
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const lastFocused = await browser.windows.getLastFocused()
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if (
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lastFocused &&
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lastFocused.top !== undefined &&
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lastFocused.left !== undefined &&
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lastFocused.width !== undefined &&
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lastFocused.height !== undefined
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) {
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top = Math.round(lastFocused.top + (lastFocused.height - height) / 2)
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left = Math.round(lastFocused.left + (lastFocused.width - width) / 2)
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} else {
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console.error('Last focused window properties are undefined.')
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}
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} catch (error) {
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console.error('Error getting window position:', error)
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}
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return {
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top,
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left
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}
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}
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