/**
* Exchange EWS authentication handling
*/
import type { ExchangeProviderConfig, ExchangeAuthMethod } from '../../types/index.js';
import { CalendarMCPError, ErrorCodes } from '../../utils/error.js';
/**
* Exchange credentials interface
*/
export interface ExchangeCredentials {
username: string;
password: string;
domain?: string;
}
/**
* Exchange auth manager
*/
export class ExchangeAuthManager {
private config: ExchangeProviderConfig;
private credentials: ExchangeCredentials | null = null;
constructor(config: ExchangeProviderConfig) {
this.config = config;
this.initializeCredentials();
}
private initializeCredentials(): void {
if (this.config.authMethod === 'ntlm' || this.config.authMethod === 'basic') {
if (this.config.username && this.config.password) {
this.credentials = {
username: this.config.username,
password: this.config.password,
domain: this.config.domain,
};
}
} else if (this.config.authMethod === 'oauth' && this.config.oauth) {
// OAuth is handled separately
}
}
/**
* Get authentication method
*/
getAuthMethod(): ExchangeAuthMethod {
return this.config.authMethod;
}
/**
* Get EWS URL
*/
getEwsUrl(): string {
return this.config.ewsUrl;
}
/**
* Get credentials for NTLM/Basic auth
*/
getCredentials(): ExchangeCredentials {
if (!this.credentials) {
throw new CalendarMCPError(
'No Exchange credentials available',
ErrorCodes.AUTH_MISSING,
{ provider: 'exchange' }
);
}
return this.credentials;
}
/**
* Get OAuth access token
*/
async getOAuthToken(): Promise<string> {
if (this.config.authMethod !== 'oauth' || !this.config.oauth?.accessToken) {
throw new CalendarMCPError(
'OAuth not configured for Exchange',
ErrorCodes.AUTH_MISSING,
{ provider: 'exchange' }
);
}
return this.config.oauth.accessToken;
}
/**
* Check if we have valid credentials
*/
hasCredentials(): boolean {
if (this.config.authMethod === 'ntlm' || this.config.authMethod === 'basic') {
return !!(this.credentials?.username && this.credentials?.password);
} else if (this.config.authMethod === 'oauth') {
return !!this.config.oauth?.accessToken;
}
return false;
}
}
/**
* Create auth manager from config
*/
export function createExchangeAuthManager(config: ExchangeProviderConfig): ExchangeAuthManager {
return new ExchangeAuthManager(config);
}
