35 lines
1.1 KiB
TypeScript
35 lines
1.1 KiB
TypeScript
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import validateEmail from 'deep-email-validator';
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import { UserProfiles } from '@/models';
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export async function validateEmailForAccount(emailAddress: string): Promise<{
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available: boolean;
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reason: null | 'used' | 'format' | 'disposable' | 'mx' | 'smtp';
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}> {
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const exist = await UserProfiles.count({
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emailVerified: true,
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email: emailAddress,
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});
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const validated = await validateEmail({
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email: emailAddress,
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validateRegex: true,
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validateMx: true,
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validateTypo: false, // TLDを見ているみたいだけどclubとか弾かれるので
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validateDisposable: true, // 捨てアドかどうかチェック
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validateSMTP: false, // 日本だと25ポートが殆どのプロバイダーで塞がれていてタイムアウトになるので
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});
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const available = exist === 0 && validated.valid;
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return {
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available,
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reason: available ? null :
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exist !== 0 ? 'used' :
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validated.reason === 'regex' ? 'format' :
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validated.reason === 'disposable' ? 'disposable' :
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validated.reason === 'mx' ? 'mx' :
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validated.reason === 'smtp' ? 'smtp' :
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null,
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};
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}
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