mirror of
https://github.com/kremalicious/metamask-extension.git
synced 2024-10-23 03:36:18 +02:00
2301d9980e
* eth_requestAccounts: wait on unlock return error on duplicate eth_requestAccounts add getUnlockPromise mock to permissions unit tests * only await unlock if already permitted * add notification badge for wait on unlock * fixup * more fixup * cleanup * update keyring controller, us its unlock event * move keyring update unlock logic to unlock event handler * fix unit tests * delete onUnlock handler * fix eth-keyring-controller resolution * update eth-keyring-controller
110 lines
2.8 KiB
JavaScript
110 lines
2.8 KiB
JavaScript
import createAsyncMiddleware from 'json-rpc-engine/src/createAsyncMiddleware'
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import { ethErrors } from 'eth-json-rpc-errors'
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/**
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* Create middleware for handling certain methods and preprocessing permissions requests.
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*/
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export default function createMethodMiddleware ({
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getAccounts,
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getUnlockPromise,
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hasPermission,
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requestAccountsPermission,
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store,
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storeKey,
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}) {
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let isProcessingRequestAccounts = false
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return createAsyncMiddleware(async (req, res, next) => {
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switch (req.method) {
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// Intercepting eth_accounts requests for backwards compatibility:
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// The getAccounts call below wraps the rpc-cap middleware, and returns
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// an empty array in case of errors (such as 4100:unauthorized)
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case 'eth_accounts':
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res.result = await getAccounts()
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return
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case 'eth_requestAccounts':
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if (isProcessingRequestAccounts) {
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res.error = ethErrors.rpc.resourceUnavailable(
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'Already processing eth_requestAccounts. Please wait.'
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)
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return
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}
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if (hasPermission('eth_accounts')) {
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isProcessingRequestAccounts = true
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await getUnlockPromise()
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isProcessingRequestAccounts = false
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}
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// first, just try to get accounts
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let accounts = await getAccounts()
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if (accounts.length > 0) {
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res.result = accounts
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return
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}
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// if no accounts, request the accounts permission
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try {
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await requestAccountsPermission()
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} catch (err) {
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res.error = err
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return
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}
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// get the accounts again
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accounts = await getAccounts()
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/* istanbul ignore else: too hard to induce, see below comment */
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if (accounts.length > 0) {
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res.result = accounts
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} else {
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// this should never happen, because it should be caught in the
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// above catch clause
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res.error = ethErrors.rpc.internal(
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'Accounts unexpectedly unavailable. Please report this bug.'
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)
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}
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return
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// custom method for getting metadata from the requesting domain,
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// sent automatically by the inpage provider
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case 'wallet_sendDomainMetadata':
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const storeState = store.getState()[storeKey]
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const extensionId = storeState[req.origin]
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? storeState[req.origin].extensionId
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: undefined
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if (
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req.domainMetadata &&
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typeof req.domainMetadata.name === 'string'
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) {
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store.updateState({
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[storeKey]: {
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...storeState,
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[req.origin]: {
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extensionId,
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...req.domainMetadata,
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},
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},
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})
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}
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res.result = true
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return
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default:
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break
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}
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next()
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})
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}
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