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password validation meter

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This commit is contained in:
Michael Freno
2026-01-01 14:51:23 -05:00
parent 658cf98b7b
commit 0fb071a5d7
6 changed files with 271 additions and 100 deletions
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24
src/lib/validation.ts
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@@ -45,30 +45,34 @@ export function validatePassword(password: string): {
);
}
// Require uppercase letter
if (!/[A-Z]/.test(password)) {
// Require uppercase letter (if configured)
if (VALIDATION_CONFIG.PASSWORD_REQUIRE_UPPERCASE && !/[A-Z]/.test(password)) {
errors.push("Password must contain at least one uppercase letter");
}
// Require lowercase letter
// Require lowercase letter (always required for balanced security)
if (!/[a-z]/.test(password)) {
errors.push("Password must contain at least one lowercase letter");
}
// Require number
if (!/[0-9]/.test(password)) {
// Require number (if configured)
if (VALIDATION_CONFIG.PASSWORD_REQUIRE_NUMBER && !/[0-9]/.test(password)) {
errors.push("Password must contain at least one number");
}
// Require special character
if (!/[^A-Za-z0-9]/.test(password)) {
// Require special character (if configured)
if (
VALIDATION_CONFIG.PASSWORD_REQUIRE_SPECIAL &&
!/[^A-Za-z0-9]/.test(password)
) {
errors.push("Password must contain at least one special character");
}
// Check for common weak passwords
const commonPasswords = [
"password",
"12345678",
"1234",
"5678",
"qwerty",
"letmein",
"welcome",
@@ -93,9 +97,9 @@ export function validatePassword(password: string): {
let strength: PasswordStrength = "weak";
if (errors.length === 0) {
if (password.length >= 20) {
if (password.length >= 16) {
strength = "strong";
} else if (password.length >= 16) {
} else if (password.length >= 12) {
strength = "good";
} else if (password.length >= VALIDATION_CONFIG.MIN_PASSWORD_LENGTH) {
strength = "fair";