twilio-flex-token-validator
Version:
Flex JWE Token Validator
156 lines • 8.15 kB
JavaScript
;
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step((generator = generator.apply(thisArg, _arguments || [])).next());
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var __generator = (this && this.__generator) || function (thisArg, body) {
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Object.defineProperty(exports, "__esModule", { value: true });
exports.functionValidator = exports.validator = void 0;
var https = require("https");
/**
* Validates that the Token is valid
*
* @param token the token to validate
* @param accountSid the accountSid
* @param authToken the authToken
* @param apiCredentials optional api credentials to use instead of root account credentials
*/
var validator = function (token, accountSid, authToken, realm, apiCredentials) { return __awaiter(void 0, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2 /*return*/, new Promise(function (resolve, reject) {
if (!token) {
reject('Unauthorized: Token was not provided');
return;
}
if (!accountSid) {
reject('Unauthorized: AccountSid was not provided');
return;
}
if (!authToken && (!(apiCredentials === null || apiCredentials === void 0 ? void 0 : apiCredentials.Sid) || !(apiCredentials === null || apiCredentials === void 0 ? void 0 : apiCredentials.Secret))) {
reject('Unauthorized: AuthToken or Api Credentials were not provided');
return;
}
var authorization = authToken
? Buffer.from(accountSid + ":" + authToken)
: Buffer.from((apiCredentials === null || apiCredentials === void 0 ? void 0 : apiCredentials.Sid) + ":" + (apiCredentials === null || apiCredentials === void 0 ? void 0 : apiCredentials.Secret));
var requestData = JSON.stringify({ token: token });
var hostname = realm ? "iam." + realm + ".twilio.com" : "iam.twilio.com";
var requestOption = {
hostname: hostname,
port: 443,
path: "/v1/Accounts/" + accountSid + "/Tokens/validate",
method: 'POST',
headers: {
Authorization: "Basic " + authorization.toString('base64'),
'Cache-Control': 'no-cache',
'Content-Type': 'application/json',
'Content-Length': requestData.length,
},
};
var req = https.request(requestOption, function (resp) {
var data = '';
resp.setEncoding('utf8');
resp.on('data', function (d) { return (data += d); });
resp.on('end', function () {
try {
var result = JSON.parse(data);
if (result.valid) {
resolve(result);
}
else {
reject(result.message);
}
}
catch (err) {
reject(err.message);
}
});
});
req.on('error', function (err) { return reject(err.message); });
req.write(requestData);
req.end();
})];
});
}); };
exports.validator = validator;
/**
* A validator to be used with Twilio Function. It uses the {@link validator} to validate the token
*
* @param handlerFn the Twilio Runtime Handler Function
*/
var functionValidator = function (handlerFn) {
return function (context, event, callback) {
var failedResponse = function (message) {
var response = new Twilio.Response();
response.appendHeader('Access-Control-Allow-Origin', '*');
response.appendHeader('Access-Control-Allow-Methods', 'OPTIONS, POST, GET');
response.appendHeader('Access-Control-Allow-Headers', 'Content-Type');
response.appendHeader('Content-Type', 'plain/text');
response.setStatusCode(403);
response.setBody(message);
callback(null, response);
};
var accountSid = context.ACCOUNT_SID;
var authToken = context.AUTH_TOKEN;
var apiKey = context.API_KEY;
var apiSecret = context.API_SECRET;
var token = event.Token;
if (!accountSid) {
return failedResponse('Unauthorized: AccountSid was not provided. For more information, please visit https://twilio.com/console/runtime/functions/configure');
}
if (!authToken && (!apiKey || !apiSecret)) {
return failedResponse('Unauthorized: AuthToken or Api Credentials were not provided. For more information, please visit https://twilio.com/console/runtime/functions/configure');
}
var region = context.TWILIO_REGION ? context.TWILIO_REGION.split('-')[0] : '';
if (!authToken) {
return exports.validator(token, accountSid, undefined, region, {
Sid: apiKey,
Secret: apiSecret,
})
.then(function (result) {
event.TokenResult = result;
return handlerFn(context, event, callback);
})
.catch(failedResponse);
}
return exports.validator(token, accountSid, authToken, region)
.then(function (result) {
event.TokenResult = result;
return handlerFn(context, event, callback);
})
.catch(failedResponse);
};
};
exports.functionValidator = functionValidator;
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