/*
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* Copyright (c) Microsoft Corporation. All rights reserved.
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* Licensed under the MIT License.
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*/
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import { AuthError } from "./AuthError.js";
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/**
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* Converts a numeric tag from MSAL Runtime to a 5-character string representation.
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* Tags are encoded as 30-bit values (6 bits per character) using a custom symbol space.
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* @param tag - The numeric tag to convert
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* @returns The string representation of the tag
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*/
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function tagToString(tag: number): string {
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if (tag === 0) {
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return "UNTAG";
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}
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const tagSymbolSpace =
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"abcdefghijklmnopqrstuvwxyz0123456789****************************";
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let tagBuffer = "*****";
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const chars = [
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tagSymbolSpace[(tag >> 24) & 0x3f],
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tagSymbolSpace[(tag >> 18) & 0x3f],
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tagSymbolSpace[(tag >> 12) & 0x3f],
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tagSymbolSpace[(tag >> 6) & 0x3f],
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tagSymbolSpace[(tag >> 0) & 0x3f],
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];
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tagBuffer = chars.join("");
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return tagBuffer;
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}
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/**
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* Error class for MSAL Runtime errors that preserves detailed broker information
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*/
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export class PlatformBrokerError extends AuthError {
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/**
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* Numeric error code from MSAL Runtime
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*/
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public statusCode: number;
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/**
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* Error tag from MSAL Runtime
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*/
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public tag: string;
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constructor(
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errorStatus: string,
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errorContext: string,
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errorCode: number,
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errorTag: number
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) {
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const tagString = tagToString(errorTag);
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const enhancedErrorContext = errorContext
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? `${errorContext} (Error Code: ${errorCode}, Tag: ${tagString})`
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: `(Error Code: ${errorCode}, Tag: ${tagString})`;
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super(errorStatus, enhancedErrorContext);
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this.name = "PlatformBrokerError";
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this.statusCode = errorCode;
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this.tag = tagString;
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Object.setPrototypeOf(this, PlatformBrokerError.prototype);
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}
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}
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