934a87330d
- Replaced inline error throwing with NotFoundException in the BillingController to enhance error handling and provide clearer responses for missing WHMCS client mappings. - Updated multiple methods to ensure consistent error management across the controller, improving maintainability and clarity in API responses.
80 lines
2.4 KiB
TypeScript
80 lines
2.4 KiB
TypeScript
/**
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* Encoding utilities for WHMCS helpers (domain-internal)
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*
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* Avoid hard Node `Buffer` dependency. Use it when available; otherwise fall back
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* to pure JS UTF-8 + base64.
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*/
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const BASE64_ALPHABET = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
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function encodeUtf8Fallback(value: string): Uint8Array {
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const bytes: number[] = [];
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for (let i = 0; i < value.length; i++) {
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let codePoint = value.charCodeAt(i);
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// Handle surrogate pairs
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if (codePoint >= 0xd800 && codePoint <= 0xdbff && i + 1 < value.length) {
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const next = value.charCodeAt(i + 1);
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if (next >= 0xdc00 && next <= 0xdfff) {
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codePoint = ((codePoint - 0xd800) << 10) + (next - 0xdc00) + 0x10000;
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i++;
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}
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}
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if (codePoint <= 0x7f) {
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bytes.push(codePoint);
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} else if (codePoint <= 0x7ff) {
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bytes.push(0xc0 | (codePoint >> 6));
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bytes.push(0x80 | (codePoint & 0x3f));
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} else if (codePoint <= 0xffff) {
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bytes.push(0xe0 | (codePoint >> 12));
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bytes.push(0x80 | ((codePoint >> 6) & 0x3f));
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bytes.push(0x80 | (codePoint & 0x3f));
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} else {
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bytes.push(0xf0 | (codePoint >> 18));
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bytes.push(0x80 | ((codePoint >> 12) & 0x3f));
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bytes.push(0x80 | ((codePoint >> 6) & 0x3f));
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bytes.push(0x80 | (codePoint & 0x3f));
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}
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}
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return new Uint8Array(bytes);
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}
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function encodeUtf8(value: string): Uint8Array {
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if (typeof TextEncoder !== "undefined") {
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return new TextEncoder().encode(value);
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}
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return encodeUtf8Fallback(value);
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}
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export function byteLengthUtf8(value: string): number {
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if (typeof Buffer !== "undefined") {
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return Buffer.byteLength(value, "utf8");
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}
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return encodeUtf8(value).length;
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}
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function base64EncodeBytes(bytes: Uint8Array): string {
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let out = "";
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for (let i = 0; i < bytes.length; i += 3) {
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const b1 = bytes[i] ?? 0;
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const b2 = bytes[i + 1] ?? 0;
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const b3 = bytes[i + 2] ?? 0;
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const triplet = (b1 << 16) | (b2 << 8) | b3;
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out += BASE64_ALPHABET[(triplet >> 18) & 0x3f];
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out += BASE64_ALPHABET[(triplet >> 12) & 0x3f];
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out += i + 1 < bytes.length ? BASE64_ALPHABET[(triplet >> 6) & 0x3f] : "=";
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out += i + 2 < bytes.length ? BASE64_ALPHABET[triplet & 0x3f] : "=";
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}
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return out;
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}
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export function utf8ToBase64(value: string): string {
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if (typeof Buffer !== "undefined") {
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return Buffer.from(value, "utf8").toString("base64");
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}
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return base64EncodeBytes(encodeUtf8(value));
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}
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