2023-01-13 04:40:33 +00:00
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import { validate as validateEmail } from "deep-email-validator";
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import { UserProfiles } from "@/models/index.js";
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import { fetchMeta } from "@/misc/fetch-meta.js";
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2021-11-07 11:16:01 +00:00
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export async function validateEmailForAccount(emailAddress: string): Promise<{
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available: boolean;
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2023-01-13 04:40:33 +00:00
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reason: null | "used" | "format" | "disposable" | "mx" | "smtp";
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2021-11-07 11:16:01 +00:00
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}> {
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2022-07-09 06:05:55 +00:00
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const meta = await fetchMeta();
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2022-03-26 06:34:00 +00:00
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const exist = await UserProfiles.countBy({
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2021-11-07 11:16:01 +00:00
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emailVerified: true,
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email: emailAddress,
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});
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2023-01-13 04:40:33 +00:00
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const validated = meta.enableActiveEmailValidation
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? 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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: { valid: true };
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2021-11-07 11:16:01 +00:00
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const available = exist === 0 && validated.valid;
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return {
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available,
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2023-01-13 04:40:33 +00:00
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reason: available
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? null
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: exist !== 0
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? "used"
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: validated.reason === "regex"
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? "format"
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: validated.reason === "disposable"
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? "disposable"
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: validated.reason === "mx"
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? "mx"
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: validated.reason === "smtp"
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? "smtp"
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: null,
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2021-11-07 11:16:01 +00:00
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};
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}
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