@iexec/web3mail
Version:
This product enables users to confidentially store data–such as mail address, documents, personal information ...
224 lines • 10.5 kB
JavaScript
import { Buffer } from 'buffer';
import { DEFAULT_CONTENT_TYPE, MAX_DESIRED_APP_ORDER_PRICE, MAX_DESIRED_DATA_ORDER_PRICE, MAX_DESIRED_WORKERPOOL_ORDER_PRICE, PROD_WORKERPOOL_ADDRESS, } from '../config/config.js';
import { handleIfProtocolError, WorkflowError } from '../utils/errors.js';
import { generateSecureUniqueId } from '../utils/generateUniqueId.js';
import * as ipfs from '../utils/ipfs-service.js';
import { checkProtectedDataValidity } from '../utils/subgraphQuery.js';
import { addressOrEnsSchema, addressSchema, booleanSchema, contentTypeSchema, emailContentSchema, emailSubjectSchema, labelSchema, positiveNumberSchema, senderNameSchema, throwIfMissing, } from '../utils/validators.js';
import { checkUserVoucher, filterWorkerpoolOrders, } from './sendEmail.models.js';
export const sendEmail = async ({ graphQLClient = throwIfMissing(), iexec = throwIfMissing(), workerpoolAddressOrEns = PROD_WORKERPOOL_ADDRESS, dappAddressOrENS, dappWhitelistAddress, ipfsNode, ipfsGateway, emailSubject, emailContent, contentType = DEFAULT_CONTENT_TYPE, label, dataMaxPrice = MAX_DESIRED_DATA_ORDER_PRICE, appMaxPrice = MAX_DESIRED_APP_ORDER_PRICE, workerpoolMaxPrice = MAX_DESIRED_WORKERPOOL_ORDER_PRICE, senderName, protectedData, useVoucher = false, }) => {
const vDatasetAddress = addressOrEnsSchema()
.required()
.label('protectedData')
.validateSync(protectedData);
const vEmailSubject = emailSubjectSchema()
.required()
.label('emailSubject')
.validateSync(emailSubject);
const vEmailContent = emailContentSchema()
.required()
.label('emailContent')
.validateSync(emailContent);
const vContentType = contentTypeSchema()
.required()
.label('contentType')
.validateSync(contentType);
const vSenderName = senderNameSchema()
.label('senderName')
.validateSync(senderName);
const vLabel = labelSchema().label('label').validateSync(label);
const vWorkerpoolAddressOrEns = addressOrEnsSchema()
.required()
.label('WorkerpoolAddressOrEns')
.validateSync(workerpoolAddressOrEns);
const vDappAddressOrENS = addressOrEnsSchema()
.required()
.label('dappAddressOrENS')
.validateSync(dappAddressOrENS);
const vDappWhitelistAddress = addressSchema()
.required()
.label('dappWhitelistAddress')
.validateSync(dappWhitelistAddress);
const vDataMaxPrice = positiveNumberSchema()
.label('dataMaxPrice')
.validateSync(dataMaxPrice);
const vAppMaxPrice = positiveNumberSchema()
.label('appMaxPrice')
.validateSync(appMaxPrice);
const vWorkerpoolMaxPrice = positiveNumberSchema()
.label('workerpoolMaxPrice')
.validateSync(workerpoolMaxPrice);
const vUseVoucher = booleanSchema()
.label('useVoucher')
.validateSync(useVoucher);
// Check protected data schema through subgraph
const isValidProtectedData = await checkProtectedDataValidity(graphQLClient, vDatasetAddress);
if (!isValidProtectedData) {
throw new Error('This protected data does not contain "email:string" in its schema.');
}
const requesterAddress = await iexec.wallet.getAddress();
let userVoucher;
if (vUseVoucher) {
try {
userVoucher = await iexec.voucher.showUserVoucher(requesterAddress);
checkUserVoucher({ userVoucher });
}
catch (err) {
if (err?.message?.startsWith('No Voucher found for address')) {
throw new Error('Oops, it seems your wallet is not associated with any voucher. Check on https://builder.iex.ec/');
}
throw err;
}
}
try {
const [datasetorderForApp, datasetorderForWhitelist, apporder, workerpoolorder,] = await Promise.all([
// Fetch dataset order for web3mail app
iexec.orderbook
.fetchDatasetOrderbook(vDatasetAddress, {
app: dappAddressOrENS,
requester: requesterAddress,
})
.then((datasetOrderbook) => {
const desiredPriceDataOrderbook = datasetOrderbook.orders.filter((order) => order.order.datasetprice <= vDataMaxPrice);
return desiredPriceDataOrderbook[0]?.order; // may be undefined
}),
// Fetch dataset order for web3mail whitelist
iexec.orderbook
.fetchDatasetOrderbook(vDatasetAddress, {
app: vDappWhitelistAddress,
requester: requesterAddress,
})
.then((datasetOrderbook) => {
const desiredPriceDataOrderbook = datasetOrderbook.orders.filter((order) => order.order.datasetprice <= vDataMaxPrice);
return desiredPriceDataOrderbook[0]?.order; // may be undefined
}),
// Fetch app order
iexec.orderbook
.fetchAppOrderbook(dappAddressOrENS, {
minTag: ['tee', 'scone'],
maxTag: ['tee', 'scone'],
workerpool: workerpoolAddressOrEns,
})
.then((appOrderbook) => {
const desiredPriceAppOrderbook = appOrderbook.orders.filter((order) => order.order.appprice <= vAppMaxPrice);
const desiredPriceAppOrder = desiredPriceAppOrderbook[0]?.order;
if (!desiredPriceAppOrder) {
throw new Error('No App order found for the desired price');
}
return desiredPriceAppOrder;
}),
// Fetch workerpool order for App or AppWhitelist
Promise.all([
// for app
iexec.orderbook.fetchWorkerpoolOrderbook({
workerpool: workerpoolAddressOrEns,
app: vDappAddressOrENS,
dataset: vDatasetAddress,
requester: requesterAddress, // public orders + user specific orders
isRequesterStrict: useVoucher, // If voucher, we only want user specific orders
minTag: ['tee', 'scone'],
maxTag: ['tee', 'scone'],
category: 0,
}),
// for app whitelist
iexec.orderbook.fetchWorkerpoolOrderbook({
workerpool: workerpoolAddressOrEns,
app: vDappWhitelistAddress,
dataset: vDatasetAddress,
requester: requesterAddress, // public orders + user specific orders
isRequesterStrict: useVoucher, // If voucher, we only want user specific orders
minTag: ['tee', 'scone'],
maxTag: ['tee', 'scone'],
category: 0,
}),
]).then(([workerpoolOrderbookForApp, workerpoolOrderbookForAppWhitelist]) => {
const desiredPriceWorkerpoolOrder = filterWorkerpoolOrders({
workerpoolOrders: [
...workerpoolOrderbookForApp.orders,
...workerpoolOrderbookForAppWhitelist.orders,
],
workerpoolMaxPrice: vWorkerpoolMaxPrice,
useVoucher: vUseVoucher,
userVoucher,
});
if (!desiredPriceWorkerpoolOrder) {
throw new Error('No Workerpool order found for the desired price');
}
return desiredPriceWorkerpoolOrder;
}),
]);
if (!workerpoolorder) {
throw new Error('No Workerpool order found for the desired price');
}
const datasetorder = datasetorderForApp || datasetorderForWhitelist;
if (!datasetorder) {
throw new Error('No Dataset order found for the desired price');
}
// Push requester secrets
const requesterSecretId = generateSecureUniqueId(16);
const emailContentEncryptionKey = iexec.dataset.generateEncryptionKey();
const encryptedFile = await iexec.dataset
.encrypt(Buffer.from(vEmailContent, 'utf8'), emailContentEncryptionKey)
.catch((e) => {
throw new WorkflowError({
message: 'Failed to encrypt email content',
errorCause: e,
});
});
const cid = await ipfs
.add(encryptedFile, {
ipfsNode: ipfsNode,
ipfsGateway: ipfsGateway,
})
.catch((e) => {
throw new WorkflowError({
message: 'Failed to upload encrypted email content',
errorCause: e,
});
});
const multiaddr = `/ipfs/${cid}`;
await iexec.secrets.pushRequesterSecret(requesterSecretId, JSON.stringify({
emailSubject: vEmailSubject,
emailContentMultiAddr: multiaddr,
contentType: vContentType,
senderName: vSenderName,
emailContentEncryptionKey,
}));
const requestorderToSign = await iexec.order.createRequestorder({
app: vDappAddressOrENS,
category: workerpoolorder.category,
dataset: vDatasetAddress,
datasetmaxprice: datasetorder.datasetprice,
appmaxprice: apporder.appprice,
workerpoolmaxprice: workerpoolorder.workerpoolprice,
tag: ['tee', 'scone'],
workerpool: vWorkerpoolAddressOrEns,
params: {
iexec_secrets: {
1: requesterSecretId,
},
iexec_args: vLabel,
},
});
const requestorder = await iexec.order.signRequestorder(requestorderToSign);
// Match orders and compute task ID
const { dealid } = await iexec.order.matchOrders({
apporder: apporder,
datasetorder: datasetorder,
workerpoolorder: workerpoolorder,
requestorder: requestorder,
}, { useVoucher: vUseVoucher });
const taskId = await iexec.deal.computeTaskId(dealid, 0);
return {
taskId,
};
}
catch (error) {
handleIfProtocolError(error);
throw new WorkflowError({
message: 'Failed to sendEmail',
errorCause: error,
});
}
};
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