status-desktop/ui/app/AppLayouts/Wallet/services/dapps/DappsConnectorSDK.qml

646 lines
25 KiB
QML

import QtQuick 2.15
import QtQuick.Controls 2.15
import QtQuick.Layouts 1.15
import QtWebEngine 1.10
import QtWebChannel 1.15
import StatusQ.Core.Utils 0.1 as SQUtils
import StatusQ.Components 0.1
import StatusQ 0.1
import SortFilterProxyModel 0.2
import AppLayouts.Wallet.controls 1.0
import shared.popups.walletconnect 1.0
import AppLayouts.Wallet.services.dapps 1.0
import AppLayouts.Wallet.services.dapps.types 1.0
import shared.stores 1.0
import utils 1.0
import "types"
// Act as another layer of abstraction to the WalletConnectSDKBase
// Quick hack until the WalletConnectSDKBase could be refactored to a more generic DappProviderBase with API to match
// the UX requirements
WalletConnectSDKBase {
id: root
required property WalletConnectService wcService
required property var walletStore
required property DAppsStore store
required property int loginType
property var controller
property var dappInfo: null
property var txArgs: null
property bool sdkReady: true
property bool active: true
property string requestId: ""
property alias requestsModel: requests
readonly property string invalidDAppUrlError: "Invalid dappInfo: URL is missing"
projectId: ""
implicitWidth: 1
implicitHeight: 1
// TODO Refactor this code to avoid code duplication from Wallet Connect DAppsRequestHandler
// https://github.com/status-im/status-desktop/issues/15711
QtObject {
id: d
function sessionRequestEvent(event) {
let obj = d.resolveAsync(event)
if (obj === null) {
let error = true
controller.rejectTransactionSigning(root.requestId)
return
}
sessionRequestLoader.request = obj
requests.enqueue(obj)
}
function resolveAsync(event) {
let method = event.params.request.method
let account = lookupAccountFromEvent(event, method)
if(!account) {
console.error("Error finding account for event", JSON.stringify(event))
return null
}
let network = lookupNetworkFromEvent(event, method)
if(!network) {
console.error("Error finding network for event", JSON.stringify(event))
return null
}
let data = extractMethodData(event, method)
if(!data) {
console.error("Error in event data lookup", JSON.stringify(event))
return null
}
let enoughFunds = !isTransactionMethod(method)
let obj = sessionRequestComponent.createObject(null, {
event,
topic: event.topic,
id: event.id,
method,
account,
network,
data,
maxFeesText: "?",
maxFeesEthText: "?",
enoughFunds: enoughFunds,
estimatedTimeText: "?",
preparedData: event.params.request.tx.data,
})
if (obj === null) {
console.error("Error creating SessionRequestResolved for event")
return null
}
// Check later to have a valid request object
if (!SessionRequest.getSupportedMethods().includes(method)) {
console.error("Unsupported method", method)
return null
}
let session = getActiveSession(root.dappInfo)
if (session === null) {
console.error("Connector.lookupSession: error finding session for requestId ", obj.requestId)
return
}
obj.resolveDappInfoFromSession(session)
return obj
}
function isTransactionMethod(method) {
return method === SessionRequest.methods.signTransaction.name
|| method === SessionRequest.methods.sendTransaction.name
}
/// Returns null if the account is not found
function lookupAccountFromEvent(event, method) {
var address = ""
if (method === SessionRequest.methods.personalSign.name) {
if (event.params.request.params.length < 2) {
return null
}
address = event.params.request.params[0]
} else if (method === SessionRequest.methods.sign.name) {
if (event.params.request.params.length === 1) {
return null
}
address = event.params.request.params[0]
} else if(method === SessionRequest.methods.signTypedData_v4.name ||
method === SessionRequest.methods.signTypedData.name)
{
if (event.params.request.params.length < 2) {
return null
}
address = event.params.request.params[0]
} else if (method === SessionRequest.methods.signTransaction.name
|| method === SessionRequest.methods.sendTransaction.name) {
if (event.params.request.params.length == 0) {
return null
}
address = event.params.request.params[0]
}
const account = SQUtils.ModelUtils.getFirstModelEntryIf(root.wcService.validAccounts, (account) => {
return account.address.toLowerCase() === address.toLowerCase();
})
if (!account) {
return null
}
// deep copy to avoid operations on the original object
try {
return JSON.parse(JSON.stringify(account))
}
catch (e) {
console.error("Error parsing account", e.message)
return null
}
}
/// Returns null if the network is not found
function lookupNetworkFromEvent(event, method) {
if (SessionRequest.getSupportedMethods().includes(method) === false) {
return null
}
const chainId = DAppsHelpers.chainIdFromEip155(event.params.chainId)
const network = SQUtils.ModelUtils.getByKey(networksModule.flatNetworks, "chainId", chainId)
if (!network) {
return null
}
// deep copy to avoid operations on the original object
try {
return JSON.parse(JSON.stringify(network))
}
catch (e) {
console.error("Error parsing network", e)
return null
}
}
function extractMethodData(event, method) {
if (method === SessionRequest.methods.personalSign.name ||
method === SessionRequest.methods.sign.name)
{
if (event.params.request.params.length < 1) {
return null
}
let message = ""
const messageIndex = (method === SessionRequest.methods.personalSign.name ? 0 : 1)
const messageParam = event.params.request.tx.data
// There is no standard on how data is encoded. Therefore we support hex or utf8
if (DAppsHelpers.isHex(messageParam)) {
message = DAppsHelpers.hexToString(messageParam)
} else {
message = messageParam
}
return SessionRequest.methods.personalSign.buildDataObject(message)
} else if (method === SessionRequest.methods.signTypedData_v4.name ||
method === SessionRequest.methods.signTypedData.name)
{
if (event.params.request.params.length < 2) {
return null
}
let jsonMessage = event.params.request.params[1]
let methodObj = method === SessionRequest.methods.signTypedData_v4.name
? SessionRequest.methods.signTypedData_v4
: SessionRequest.methods.signTypedData
return methodObj.buildDataObject(jsonMessage)
} else if (method === SessionRequest.methods.signTransaction.name) {
if (event.params.request.params.length == 0) {
return null
}
let tx = event.params.request.params[0]
return SessionRequest.methods.signTransaction.buildDataObject(tx)
} else if (method === SessionRequest.methods.sendTransaction.name) {
if (event.params.request.params.length == 0) {
return null
}
let tx = event.params.request.params[0]
return SessionRequest.methods.sendTransaction.buildDataObject(tx)
} else {
return null
}
}
function executeSessionRequest(request, password, pin) {
if (!SessionRequest.getSupportedMethods().includes(request.method)) {
console.error("Unsupported method to execute: ", request.method)
return
}
if (password === "") {
console.error("No password provided to sign message")
return
}
if (request.method === SessionRequest.methods.sign.name) {
store.signMessageUnsafe(request.topic,
request.id,
request.account.address,
SessionRequest.methods.personalSign.getMessageFromData(request.data),
password,
pin)
} else if (request.method === SessionRequest.methods.personalSign.name) {
store.signMessage(request.topic,
request.id,
request.account.address,
SessionRequest.methods.personalSign.getMessageFromData(request.data),
password,
pin)
} else if (request.method === SessionRequest.methods.signTypedData_v4.name ||
request.method === SessionRequest.methods.signTypedData.name)
{
let legacy = request.method === SessionRequest.methods.signTypedData.name
store.safeSignTypedData(request.topic,
request.id,
request.account.address,
SessionRequest.methods.signTypedData.getMessageFromData(request.data),
request.network.chainId,
legacy,
password,
pin)
} else if (request.method === SessionRequest.methods.signTransaction.name) {
let txObj = SessionRequest.methods.signTransaction.getTxObjFromData(request.data)
store.signTransaction(request.topic,
request.id,
request.account.address,
request.network.chainId,
txObj,
password,
pin)
} else if (request.method === SessionRequest.methods.sendTransaction.name) {
let txObj = SessionRequest.methods.sendTransaction.getTxObjFromData(request.data)
store.sendTransaction(request.topic,
request.id,
request.account.address,
request.network.chainId,
txObj,
password,
pin)
}
}
function acceptSessionRequest(topic, id, signature) {
console.debug(`Connector DappsConnectorSDK.acceptSessionRequest; requestId: ${root.requestId}, signature: "${signature}"`)
sessionRequestLoader.active = false
controller.approveTransactionRequest(requestId, signature)
root.wcService.displayToastMessage(qsTr("Successfully signed transaction from %1").arg(root.dappInfo.url), false)
}
function getActiveSession(dappInfos) {
let sessionTemplate = (dappUrl, dappName, dappIcon) => {
return {
"peer": {
"metadata": {
"description": "-",
"icons": [
dappIcon
],
"name": dappName,
"url": dappUrl
}
},
"topic": dappUrl
};
}
let sessionString = root.wcService.connectorDAppsProvider.getActiveSession(dappInfos.url)
if (sessionString === null) {
console.error("Connector.lookupSession: error finding session for requestId ", root.requestId)
return
}
let session = JSON.parse(sessionString);
return sessionTemplate(session.url, session.name, session.icon)
}
function authenticate(request) {
return store.authenticateUser(request.topic, request.id, request.account.address)
}
}
Connections {
target: root.store
function onUserAuthenticated(topic, id, password, pin) {
var request = requests.findRequest(topic, id)
if (request === null) {
console.error(">Error finding event for topic", topic, "id", id)
return
}
d.executeSessionRequest(request, password, pin)
}
function onUserAuthenticationFailed(topic, id) {
var request = requests.findRequest(topic, id)
let methodStr = SessionRequest.methodToUserString(request.method)
if (request === null || !methodStr) {
return
}
d.lookupSession(topic, function(session) {
if (session === null)
return
root.displayToastMessage(qsTr("Failed to authenticate %1").arg(session.peer.metadata.url), true)
})
}
function onSigningResult(topic, id, data) {
let isSuccessful = (data != "")
if (isSuccessful) {
// acceptSessionRequest will trigger an sdk.sessionRequestUserAnswerResult signal
d.acceptSessionRequest(topic, id, data)
} else {
console.error("signing error")
}
}
}
Loader {
id: connectDappLoader
active: false
property var dappChains: []
property var sessionProposal: null
property var availableNamespaces: null
property var sessionTopic: null
readonly property var proposalMedatada: !!sessionProposal
? sessionProposal.params.proposer.metadata
: { name: "", url: "", icons: [] }
sourceComponent: ConnectDAppModal {
visible: true
onClosed: {
rejectSession(root.requestId)
connectDappLoader.active = false
}
flatNetworks: root.walletStore.filteredFlatModel
accounts: root.wcService.validAccounts
dAppUrl: proposalMedatada.url
dAppName: proposalMedatada.name
dAppIconUrl: !!proposalMedatada.icons && proposalMedatada.icons.length > 0 ? proposalMedatada.icons[0] : ""
multipleChainSelection: false
onConnect: {
connectDappLoader.active = false
approveSession(root.requestId, selectedAccount.address, selectedChains)
}
onDecline: {
connectDappLoader.active = false
rejectSession(root.requestId)
}
onDisconnect: {
connectDappLoader.active = false;
controller.recallDAppPermission(root.dappInfo.url)
}
}
}
Loader {
id: sessionRequestLoader
active: false
onLoaded: item.open()
property SessionRequestResolved request: null
property var dappInfo: null
sourceComponent: DAppSignRequestModal {
id: dappRequestModal
objectName: "connectorDappsRequestModal"
loginType: request.account.migragedToKeycard ? Constants.LoginType.Keycard : root.loginType
formatBigNumber: (number, symbol, noSymbolOption) => root.wcService.walletRootStore.currencyStore.formatBigNumber(number, symbol, noSymbolOption)
visible: true
dappName: request.dappName
dappUrl: request.dappUrl
dappIcon: request.dappIcon
accountColor: Utils.getColorForId(request.account.colorId)
accountName: request.account.name
accountAddress: request.account.address
accountEmoji: request.account.emoji
networkName: request.network.chainName
networkIconPath: Style.svg(request.network.iconUrl)
fiatFees: request.maxFeesText
cryptoFees: request.maxFeesEthText
estimatedTime: ""
feesLoading: !request.maxFeesText || !request.maxFeesEthText
hasFees: signingTransaction
enoughFundsForTransaction: request.enoughFunds
enoughFundsForFees: request.enoughFunds
signingTransaction: request.method === SessionRequest.methods.signTransaction.name || request.method === SessionRequest.methods.sendTransaction.name
requestPayload: {
switch(request.method) {
case SessionRequest.methods.personalSign.name:
return SessionRequest.methods.personalSign.getMessageFromData(request.data)
case SessionRequest.methods.sign.name: {
return SessionRequest.methods.sign.getMessageFromData(request.data)
}
case SessionRequest.methods.signTypedData_v4.name: {
const stringPayload = SessionRequest.methods.signTypedData_v4.getMessageFromData(request.data)
return JSON.stringify(JSON.parse(stringPayload), null, 2)
}
case SessionRequest.methods.signTypedData.name: {
const stringPayload = SessionRequest.methods.signTypedData.getMessageFromData(root.payloadData)
return JSON.stringify(JSON.parse(stringPayload), null, 2)
}
case SessionRequest.methods.signTransaction.name: {
const jsonPayload = SessionRequest.methods.signTransaction.getTxObjFromData(request.data)
return JSON.stringify(jsonPayload, null, 2)
}
case SessionRequest.methods.sendTransaction.name: {
const jsonPayload = SessionRequest.methods.sendTransaction.getTxObjFromData(request.data)
return JSON.stringify(jsonPayload, null, 2)
}
}
}
onClosed: {
Qt.callLater( () => {
sessionRequestLoader.active = false
})
}
onAccepted: {
if (!request) {
console.error("Error signing: request is null")
return
}
d.authenticate(request)
}
onRejected: {
sessionRequestLoader.active = false
controller.rejectTransactionSigning(root.requestId)
root.wcService.displayToastMessage(qsTr("Failed to sign transaction from %1").arg(request.dappUrl), true)
}
}
}
Component {
id: sessionRequestComponent
SessionRequestResolved {
}
}
SessionRequestsModel {
id: requests
}
Connections {
target: root.wcService
function onRevokeSession(dAppUrl) {
if (!dAppUrl) {
console.warn(invalidDAppUrlError)
return
}
controller.recallDAppPermission(dAppUrl)
const session = { url: dAppUrl, name: "", icon: "" }
root.wcService.connectorDAppsProvider.revokeSession(JSON.stringify(session))
}
}
Connections {
target: controller
onDappValidatesTransaction: function(requestId, dappInfoString) {
var dappInfo = JSON.parse(dappInfoString)
root.dappInfo = dappInfo
var txArgsParams = JSON.parse(dappInfo.txArgs)
root.txArgs = txArgsParams
let event = {
"id": root.requestId,
"topic": dappInfo.url,
"params": {
"chainId": `eip155:${dappInfo.chainId}`,
"request": {
"method": SessionRequest.methods.personalSign.name,
"tx": {
"data": txArgsParams.data,
},
"params": [
txArgsParams.from,
txArgsParams.to,
],
}
}
}
d.sessionRequestEvent(event)
sessionRequestLoader.active = true
root.requestId = requestId
}
onDappRequestsToConnect: function(requestId, dappInfoString) {
var dappInfo = JSON.parse(dappInfoString)
root.dappInfo = dappInfo
let sessionProposal = {
"params": {
"optionalNamespaces": {},
"proposer": {
"metadata": {
"description": "-",
"icons": [
dappInfo.icon
],
"name": dappInfo.name,
"url": dappInfo.url
}
},
"requiredNamespaces": {
"eip155": {
"chains": [
`eip155:${dappInfo.chainId}`
],
"events": [],
"methods": [SessionRequest.methods.personalSign.name]
}
}
}
};
connectDappLoader.sessionProposal = sessionProposal
connectDappLoader.active = true
root.requestId = requestId
}
onDappGrantDAppPermission: function(dappInfoString) {
let dappItem = JSON.parse(dappInfoString)
const { url, name, icon: iconUrl } = dappItem
if (!url) {
console.warn(invalidDAppUrlError)
return
}
const session = { url, name, iconUrl }
root.wcService.connectorDAppsProvider.addSession(JSON.stringify(session))
}
onDappRevokeDAppPermission: function(dappInfoString) {
let dappItem = JSON.parse(dappInfoString)
let session = {
"url": dappItem.url,
"name": dappItem.name,
"iconUrl": dappItem.icon
}
if (!session.url) {
console.warn(invalidDAppUrlError)
return
}
root.wcService.connectorDAppsProvider.revokeSession(JSON.stringify(session))
root.wcService.displayToastMessage(qsTr("Disconnected from %1").arg(dappItem.url), false)
}
}
approveSession: function(requestId, account, selectedChains) {
controller.approveDappConnectRequest(requestId, account, JSON.stringify(selectedChains))
const { url, name, icon: iconUrl } = root.dappInfo;
root.wcService.displayToastMessage(qsTr("Successfully authenticated %1").arg(url), false);
}
rejectSession: function(requestId) {
controller.rejectDappConnectRequest(requestId)
root.wcService.displayToastMessage(qsTr("Failed to authenticate %1").arg(root.dappInfo.url), true)
}
// We don't expect requests for these. They are here only to spot errors
pair: function(pairLink) { console.error("ConnectorSDK.pair: not implemented") }
getPairings: function(callback) { console.error("ConnectorSDK.getPairings: not implemented") }
disconnectPairing: function(topic) { console.error("ConnectorSDK.disconnectPairing: not implemented") }
buildApprovedNamespaces: function(params, supportedNamespaces) { console.error("ConnectorSDK.buildApprovedNamespaces: not implemented") }
}