Evandro Fonseca Junior
a1800227a7
- Add rate limiting to prevent abuse on /api/donations/create endpoint - Replace manual input validation with Zod schema for better error handling and type safety - Switch from console.log to secureLogger to comply with LGPD and avoid exposing sensitive data - Remove sensitive request body logging in AbacatePay client for improved security
86 lines
2.5 KiB
TypeScript
86 lines
2.5 KiB
TypeScript
/**
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* Validador de documentos brasileiros (CPF e CNPJ)
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* Implementa algoritmo completo de validação de dígitos verificadores
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*/
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export function isValidCPF(cpf: string): boolean {
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// Remove caracteres não numéricos
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const cleaned = cpf.replace(/[^\d]/g, "");
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// Verifica se tem 11 dígitos
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if (cleaned.length !== 11) return false;
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// Verifica se todos os dígitos são iguais (ex: 111.111.111-11)
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if (/^(\d)\1+$/.test(cleaned)) return false;
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// Valida primeiro dígito verificador
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let sum = 0;
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for (let i = 0; i < 9; i++) {
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sum += parseInt(cleaned.charAt(i)) * (10 - i);
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}
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let remainder = (sum * 10) % 11;
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if (remainder === 10 || remainder === 11) remainder = 0;
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if (remainder !== parseInt(cleaned.charAt(9))) return false;
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// Valida segundo dígito verificador
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sum = 0;
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for (let i = 0; i < 10; i++) {
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sum += parseInt(cleaned.charAt(i)) * (11 - i);
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}
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remainder = (sum * 10) % 11;
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if (remainder === 10 || remainder === 11) remainder = 0;
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if (remainder !== parseInt(cleaned.charAt(10))) return false;
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return true;
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}
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export function isValidCNPJ(cnpj: string): boolean {
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// Remove caracteres não numéricos
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const cleaned = cnpj.replace(/[^\d]/g, "");
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// Verifica se tem 14 dígitos
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if (cleaned.length !== 14) return false;
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// Verifica se todos os dígitos são iguais
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if (/^(\d)\1+$/.test(cleaned)) return false;
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// Valida primeiro dígito verificador
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const weights1 = [5, 4, 3, 2, 9, 8, 7, 6, 5, 4, 3, 2];
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let sum = 0;
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for (let i = 0; i < 12; i++) {
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sum += parseInt(cleaned.charAt(i)) * weights1[i];
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}
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let remainder = sum % 11;
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const firstDigit = remainder < 2 ? 0 : 11 - remainder;
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if (firstDigit !== parseInt(cleaned.charAt(12))) return false;
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// Valida segundo dígito verificador
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const weights2 = [6, 5, 4, 3, 2, 9, 8, 7, 6, 5, 4, 3, 2];
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sum = 0;
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for (let i = 0; i < 13; i++) {
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sum += parseInt(cleaned.charAt(i)) * weights2[i];
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}
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remainder = sum % 11;
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const secondDigit = remainder < 2 ? 0 : 11 - remainder;
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if (secondDigit !== parseInt(cleaned.charAt(13))) return false;
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return true;
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}
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export function isValidDocument(document: string): boolean {
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const cleaned = document.replace(/[^\d]/g, "");
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if (cleaned.length === 11) {
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return isValidCPF(document);
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} else if (cleaned.length === 14) {
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return isValidCNPJ(document);
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}
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return false;
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}
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export function normalizeDocument(document: string): string {
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// Remove todos os caracteres não numéricos
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return document.replace(/[^\d]/g, "");
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}
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