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2022-04-18 18:57:27 +03:00

26 lines
1018 B
TypeScript

export const EMAIL_REGEX =
/^(([^<>()\[\]\\.,;:\s@"]+(\.[^<>()\[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/;
export function adjustEmail(email?: string): string | undefined {
if (!email) return email;
// body parser already checked if it is a valid email
const parts = <RegExpMatchArray>email.match(EMAIL_REGEX);
// @ts-ignore
if (!parts || parts.length < 5) return undefined;
const domain = parts[5];
const user = parts[1];
// TODO: check accounts with uncommon email domains
if (domain === "gmail.com" || domain === "googlemail.com") {
// replace .dots and +alternatives -> Gmail Dot Trick https://support.google.com/mail/answer/7436150 and https://generator.email/blog/gmail-generator
let v = user.replace(/[.]|(\+.*)/g, "") + "@gmail.com";
}
if (domain === "google.com") {
// replace .dots and +alternatives -> Google Staff GMail Dot Trick
let v = user.replace(/[.]|(\+.*)/g, "") + "@google.com";
}
return email;
}