oss-client
Version:
Aliyun OSS(Object Storage Service) Node.js Client
26 lines • 2.63 kB
JavaScript
const ALLOW_STRING_RE = /^[a-zA-Z0-9 +-=._:/]+$/;
export function checkObjectTag(tag) {
if (typeof tag !== 'object') {
throw new TypeError('tag must be Object');
}
const entries = Object.entries(tag);
if (entries.length > 10) {
throw new TypeError('maximum of 10 tags for a object');
}
for (const [key, value] of entries) {
if (typeof key !== 'string' || typeof value !== 'string') {
throw new TypeError('the key and value of the tag must be String');
}
if (!ALLOW_STRING_RE.test(key) ||
(value.length > 0 && !ALLOW_STRING_RE.test(value))) {
throw new TypeError('tag can contain letters, numbers, spaces, and the following symbols: plus sign (+), hyphen (-), equal sign (=), period (.), underscore (_), colon (:), and forward slash (/)');
}
if (key.length === 0 || key.length > 128) {
throw new TypeError('tag key can be a minimum of 1 byte and a maximum of 128 bytes in length');
}
if (value.length > 256) {
throw new TypeError('tag value can be a maximum of 256 bytes in length');
}
}
}
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