sparrow-controllers
Version:
Collection of platform-agnostic modules for creating secure data models for cryptocurrency wallets
55 lines • 2.74 kB
JavaScript
;
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.requestPermissionsHandler = void 0;
const eth_rpc_errors_1 = require("eth-rpc-errors");
const utils_1 = require("../utils");
const errors_1 = require("../errors");
const util_1 = require("../../util");
exports.requestPermissionsHandler = {
methodNames: [utils_1.MethodNames.requestPermissions],
implementation: requestPermissionsImplementation,
hookNames: {
requestPermissionsForOrigin: true,
},
};
/**
* Request Permissions implementation to be used in JsonRpcEngine middleware.
*
* @param req - The JsonRpcEngine request
* @param res - The JsonRpcEngine result object
* @param _next - JsonRpcEngine next() callback - unused
* @param end - JsonRpcEngine end() callback
* @param options - Method hooks passed to the method implementation
* @param options.requestPermissionsForOrigin - The specific method hook needed for this method implementation
* @returns A promise that resolves to nothing
*/
function requestPermissionsImplementation(req, res, _next, end, { requestPermissionsForOrigin }) {
return __awaiter(this, void 0, void 0, function* () {
const { id, params } = req;
if ((typeof id !== 'number' && typeof id !== 'string') ||
(typeof id === 'string' && !id)) {
return end(eth_rpc_errors_1.ethErrors.rpc.invalidRequest({
message: 'Invalid request: Must specify a valid id.',
data: { request: req },
}));
}
if (!Array.isArray(params) || !(0, util_1.isPlainObject)(params[0])) {
return end((0, errors_1.invalidParams)({ data: { request: req } }));
}
const [requestedPermissions] = params;
const [grantedPermissions] = yield requestPermissionsForOrigin(requestedPermissions, String(id));
// `wallet_requestPermission` is specified to return an array.
res.result = Object.values(grantedPermissions);
return end();
});
}
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