/
AccountSASResourceTypes.ts
93 lines (86 loc) · 2.76 KB
/
AccountSASResourceTypes.ts
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// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License.
/**
* ONLY AVAILABLE IN NODE.JS RUNTIME.
*
* This is a helper class to construct a string representing the resources accessible by an AccountSAS. Setting a value
* to true means that any SAS which uses these permissions will grant access to that resource type. Once all the
* values are set, this should be serialized with toString and set as the resources field on an
* {@link AccountSASSignatureValues} object. It is possible to construct the resources string without this class, but
* the order of the resources is particular and this class guarantees correctness.
*
* @export
* @class AccountSASResourceTypes
*/
export class AccountSASResourceTypes {
/**
* Creates an {@link AccountSASResourceTypes} from the specified resource types string. This method will throw an
* Error if it encounters a character that does not correspond to a valid resource type.
*
* @static
* @param {string} resourceTypes
* @returns {AccountSASResourceTypes}
* @memberof AccountSASResourceTypes
*/
public static parse(resourceTypes: string): AccountSASResourceTypes {
const accountSASResourceTypes = new AccountSASResourceTypes();
for (const c of resourceTypes) {
switch (c) {
case "s":
accountSASResourceTypes.service = true;
break;
case "c":
accountSASResourceTypes.container = true;
break;
case "o":
accountSASResourceTypes.object = true;
break;
default:
throw new RangeError(`Invalid resource type: ${c}`);
}
}
return accountSASResourceTypes;
}
/**
* Permission to access service level APIs granted.
*
* @type {boolean}
* @memberof AccountSASResourceTypes
*/
public service: boolean = false;
/**
* Permission to access container level APIs (Blob Containers, Tables, Queues, File Shares) granted.
*
* @type {boolean}
* @memberof AccountSASResourceTypes
*/
public container: boolean = false;
/**
* Permission to access object level APIs (Blobs, Table Entities, Queue Messages, Files) granted.
*
* @type {boolean}
* @memberof AccountSASResourceTypes
*/
public object: boolean = false;
/**
* Converts the given resource types to a string.
*
* @see https://docs.microsoft.com/en-us/rest/api/storageservices/constructing-an-account-sas
*
* @returns {string}
* @memberof AccountSASResourceTypes
*/
public toString(): string {
const resourceTypes: string[] = [];
if (this.service) {
resourceTypes.push("s");
}
if (this.container) {
resourceTypes.push("c");
}
if (this.object) {
resourceTypes.push("o");
}
return resourceTypes.join("");
}
}