@azure/data-tables
Version:
An isomorphic client library for the Azure Tables service.
55 lines • 2.84 kB
JavaScript
// Copyright (c) Microsoft Corporation.
// Licensed under the MIT License.
import { accountSasPermissionsToString } from "./accountSasPermissions";
import { ipRangeToString } from "./sasIPRange";
import { SasQueryParameters } from "./sasQueryParameters";
import { accountSasResourceTypesFromString, accountSasResourceTypesToString, } from "./accountSasResourceTypes";
import { accountSasServicesFromString, accountSasServicesToString } from "./accountSasServices";
import { SERVICE_VERSION } from "../utils/constants";
import { computeHMACSHA256 } from "../utils/computeHMACSHA256";
import { truncatedISO8061Date } from "../utils/truncateISO8061Date";
/**
* ONLY AVAILABLE IN NODE.JS RUNTIME.
*
* Generates a {@link SasQueryParameters} object which contains all SAS query parameters needed to make an actual
* REST request.
*
* @see https://docs.microsoft.com/en-us/rest/api/storageservices/constructing-an-account-sas
*
* @param accountSasSignatureValues -
* @param sharedKeyCredential -
*/
export function generateAccountSasQueryParameters(accountSasSignatureValues, credential) {
const version = accountSasSignatureValues.version
? accountSasSignatureValues.version
: SERVICE_VERSION;
const parsedPermissions = accountSasPermissionsToString(accountSasSignatureValues.permissions);
const parsedServices = accountSasServicesToString(accountSasServicesFromString(accountSasSignatureValues.services));
// to and from string to guarantee the correct order of resoruce types is generated
const parsedResourceTypes = accountSasResourceTypesToString(accountSasResourceTypesFromString(accountSasSignatureValues.resourceTypes));
const stringToSign = [
credential.name,
parsedPermissions,
parsedServices,
parsedResourceTypes,
accountSasSignatureValues.startsOn
? truncatedISO8061Date(accountSasSignatureValues.startsOn, false)
: "",
truncatedISO8061Date(accountSasSignatureValues.expiresOn, false),
accountSasSignatureValues.ipRange ? ipRangeToString(accountSasSignatureValues.ipRange) : "",
accountSasSignatureValues.protocol ? accountSasSignatureValues.protocol : "",
version,
"", // Account SAS requires an additional newline character
].join("\n");
const signature = computeHMACSHA256(stringToSign, credential.key);
return new SasQueryParameters(version, signature, {
permissions: parsedPermissions.toString(),
services: parsedServices,
resourceTypes: parsedResourceTypes,
protocol: accountSasSignatureValues.protocol,
startsOn: accountSasSignatureValues.startsOn,
expiresOn: accountSasSignatureValues.expiresOn,
ipRange: accountSasSignatureValues.ipRange,
});
}
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