@azure/storage-blob
Version:
Microsoft Azure Storage SDK for JavaScript - Blob
78 lines • 2.48 kB
JavaScript
// Copyright (c) Microsoft Corporation.
// Licensed under the MIT License.
/**
* ONLY AVAILABLE IN NODE.JS RUNTIME.
*
* This is a helper class to construct a string representing the services accessible by an AccountSAS. Setting a value
* to true means that any SAS which uses these permissions will grant access to that service. Once all the
* values are set, this should be serialized with toString and set as the services field on an
* {@link AccountSASSignatureValues} object. It is possible to construct the services string without this class, but
* the order of the services is particular and this class guarantees correctness.
*/
export class AccountSASServices {
/**
* Creates an {@link AccountSASServices} from the specified services string. This method will throw an
* Error if it encounters a character that does not correspond to a valid service.
*
* @param services -
*/
static parse(services) {
const accountSASServices = new AccountSASServices();
for (const c of services) {
switch (c) {
case "b":
accountSASServices.blob = true;
break;
case "f":
accountSASServices.file = true;
break;
case "q":
accountSASServices.queue = true;
break;
case "t":
accountSASServices.table = true;
break;
default:
throw new RangeError(`Invalid service character: ${c}`);
}
}
return accountSASServices;
}
/**
* Permission to access blob resources granted.
*/
blob = false;
/**
* Permission to access file resources granted.
*/
file = false;
/**
* Permission to access queue resources granted.
*/
queue = false;
/**
* Permission to access table resources granted.
*/
table = false;
/**
* Converts the given services to a string.
*
*/
toString() {
const services = [];
if (this.blob) {
services.push("b");
}
if (this.table) {
services.push("t");
}
if (this.queue) {
services.push("q");
}
if (this.file) {
services.push("f");
}
return services.join("");
}
}
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