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Support unicode with subdomain sanitized

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Pallavi
2025-08-31 22:45:42 +05:30
parent 8a62f12e8b
commit 7d5961cf50
4 changed files with 29 additions and 32 deletions
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26
src/lib/subdomain-utils.ts
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@@ -1,29 +1,32 @@
export type DomainType = "organization" | "provided" | "provided-search";
export const SINGLE_LABEL_RE = /^[a-z0-9-]+$/i; // provided-search (no dots)
export const MULTI_LABEL_RE = /^[a-z0-9-]+(\.[a-z0-9-]+)*$/i; // ns/wildcard
export const SINGLE_LABEL_STRICT_RE = /^[a-z0-9](?:[a-z0-9-]*[a-z0-9])?$/i; // start/end alnum
export const SINGLE_LABEL_RE = /^[\p{L}\p{N}-]+$/u; // provided-search (no dots)
export const MULTI_LABEL_RE = /^[\p{L}\p{N}-]+(\.[\p{L}\p{N}-]+)*$/u; // ns/wildcard
export const SINGLE_LABEL_STRICT_RE = /^[\p{L}\p{N}](?:[\p{L}\p{N}-]*[\p{L}\p{N}])?$/u; // start/end alnum
export function sanitizeInputRaw(input: string): string {
if (!input) return "";
return input.toLowerCase().replace(/[^a-z0-9.-]/g, "");
return input
.toLowerCase()
.normalize("NFC") // normalize Unicode
.replace(/[^\p{L}\p{N}.-]/gu, ""); // allow Unicode letters, numbers, dot, hyphen
}
export function finalizeSubdomainSanitize(input: string): string {
if (!input) return "";
return input
.toLowerCase()
.replace(/[^a-z0-9.-]/g, "") // allow only valid chars
.replace(/\.{2,}/g, ".") // collapse multiple dots
.replace(/^-+|-+$/g, "") // strip leading/trailing hyphens
.replace(/^\.+|\.+$/g, ""); // strip leading/trailing dots
.normalize("NFC")
.replace(/[^\p{L}\p{N}.-]/gu, "") // allow Unicode
.replace(/\.{2,}/g, ".") // collapse multiple dots
.replace(/^-+|-+$/g, "") // strip leading/trailing hyphens
.replace(/^\.+|\.+$/g, "") // strip leading/trailing dots
.replace(/(\.-)|(-\.)/g, "."); // fix illegal dot-hyphen combos
}
export function validateByDomainType(subdomain: string, domainType: { type: "provided-search" | "organization"; domainType?: "ns" | "cname" | "wildcard" } ): boolean {
if (!domainType) return false;
@@ -47,7 +50,7 @@ export function validateByDomainType(subdomain: string, domainType: { type: "pro
export const isValidSubdomainStructure = (input: string): boolean => {
const regex = /^(?!-)([a-zA-Z0-9-]{1,63})(?<!-)$/;
const regex = /^(?!-)([\p{L}\p{N}-]{1,63})(?<!-)$/u;
if (!input) return false;
if (input.includes("..")) return false;
@@ -57,3 +60,4 @@ export const isValidSubdomainStructure = (input: string): boolean => {