104 lines
2.6 KiB
TypeScript
104 lines
2.6 KiB
TypeScript
import type { Email } from '../core/classes.email.js';
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/**
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* SPF result qualifiers
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*/
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export declare enum SpfQualifier {
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PASS = "+",
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NEUTRAL = "?",
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SOFTFAIL = "~",
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FAIL = "-"
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}
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/**
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* SPF mechanism types
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*/
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export declare enum SpfMechanismType {
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ALL = "all",
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INCLUDE = "include",
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A = "a",
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MX = "mx",
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IP4 = "ip4",
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IP6 = "ip6",
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EXISTS = "exists",
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REDIRECT = "redirect",
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EXP = "exp"
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}
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/**
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* SPF mechanism definition
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*/
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export interface SpfMechanism {
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qualifier: SpfQualifier;
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type: SpfMechanismType;
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value?: string;
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}
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/**
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* SPF record parsed data
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*/
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export interface SpfRecord {
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version: string;
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mechanisms: SpfMechanism[];
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modifiers: Record<string, string>;
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}
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/**
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* SPF verification result
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*/
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export interface SpfResult {
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result: 'pass' | 'neutral' | 'softfail' | 'fail' | 'temperror' | 'permerror' | 'none';
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explanation?: string;
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domain: string;
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ip: string;
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record?: string;
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error?: string;
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}
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/**
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* Class for verifying SPF records
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*/
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export declare class SpfVerifier {
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private dnsManager?;
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private lookupCount;
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constructor(dnsManager?: any);
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/**
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* Parse SPF record from TXT record
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* @param record SPF TXT record
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* @returns Parsed SPF record or null if invalid
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*/
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parseSpfRecord(record: string): SpfRecord | null;
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/**
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* Check if IP is in CIDR range
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* @param ip IP address to check
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* @param cidr CIDR range
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* @returns Whether the IP is in the CIDR range
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*/
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private isIpInCidr;
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/**
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* Check if a domain has the specified IP in its A or AAAA records
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* @param domain Domain to check
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* @param ip IP address to check
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* @returns Whether the domain resolves to the IP
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*/
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private isDomainResolvingToIp;
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/**
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* Verify SPF for a given email with IP and helo domain
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* @param email Email to verify
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* @param ip Sender IP address
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* @param heloDomain HELO/EHLO domain used by sender
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* @returns SPF verification result
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*/
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verify(email: Email, ip: string, heloDomain: string): Promise<SpfResult>;
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/**
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* Check SPF record against IP address
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* @param spfRecord Parsed SPF record
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* @param domain Domain being checked
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* @param ip IP address to check
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* @returns SPF result
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*/
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private checkSpfRecord;
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/**
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* Check if email passes SPF verification
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* @param email Email to verify
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* @param ip Sender IP address
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* @param heloDomain HELO/EHLO domain used by sender
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* @returns Whether email passes SPF
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*/
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verifyAndApply(email: Email, ip: string, heloDomain: string): Promise<boolean>;
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}
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