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smtp/connection: use WeakSet for greylist tracking

This commit is contained in:
Zack Schuster 2020-11-24 16:56:08 -08:00
parent d4748a3cb2
commit d1fca9efe3
1 changed files with 4 additions and 7 deletions
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11
smtp/connection.ts
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@ -120,10 +120,7 @@ export class SMTPConnection extends EventEmitter {
protected tls: boolean | SMTPSocketOptions = false;
protected port: number;
private greylistResponseTracker = new WeakMap<
(...rest: any[]) => void,
boolean
>();
private greylistResponseTracker = new WeakSet<(...rest: any[]) => void>();
/**
* SMTP class written using python's (2.7) smtplib.py as a base.
@ -411,9 +408,9 @@ export class SMTPConnection extends EventEmitter {
} else if (
(code === 450 || code === 451) &&
msg.message.toLowerCase().includes('greylist') &&
this.greylistResponseTracker.get(response) === false
this.greylistResponseTracker.has(response) === false
) {
this.greylistResponseTracker.set(response, true);
this.greylistResponseTracker.add(response);
setTimeout(() => {
this.send(cmd + CRLF, response);
}, GREYLIST_DELAY);
@ -435,7 +432,7 @@ export class SMTPConnection extends EventEmitter {
}
};
this.greylistResponseTracker.set(response, false);
this.greylistResponseTracker.delete(response);
this.send(cmd + CRLF, response);
}