Initial commit

lib/auth.ts

@@ -0,0 +1,72 @@
+import bcrypt from "bcryptjs"
+
+export function validateIsraeliID(id: string): boolean {
+  if (!/^\d{9}$/.test(id)) return false
+
+  // Luhn algorithm for Israeli ID
+  let sum = 0
+  for (let i = 0; i < 9; i++) {
+    let digit = Number.parseInt(id[i])
+    if (i % 2 === 1) {
+      digit *= 2
+      if (digit > 9) digit -= 9
+    }
+    sum += digit
+  }
+  return sum % 10 === 0
+}
+
+export function generateValidIsraeliID(): string {
+  // Generate 8 random digits
+  let id = ""
+  for (let i = 0; i < 8; i++) {
+    id += Math.floor(Math.random() * 10).toString()
+  }
+
+  // Calculate the check digit using Luhn algorithm
+  let sum = 0
+  for (let i = 0; i < 8; i++) {
+    let digit = Number.parseInt(id[i])
+    if (i % 2 === 1) {
+      digit *= 2
+      if (digit > 9) digit -= 9
+    }
+    sum += digit
+  }
+
+  // Calculate check digit
+  const checkDigit = (10 - (sum % 10)) % 10
+  id += checkDigit.toString()
+
+  return id
+}
+
+export async function generateUniqueIsraeliID(): Promise<string> {
+  const { safeQuery } = await import("./database")
+
+  let attempts = 0
+  const maxAttempts = 100
+
+  while (attempts < maxAttempts) {
+    const newId = generateValidIsraeliID()
+
+    // Check if this ID already exists
+    const existingUsers = (await safeQuery("SELECT national_id FROM users WHERE national_id = ?", [newId])) as any[]
+
+    if (existingUsers.length === 0) {
+      return newId
+    }
+
+    attempts++
+  }
+
+  throw new Error("Unable to generate unique ID after maximum attempts")
+}
+
+export async function hashPassword(password: string): Promise<string> {
+  return bcrypt.hash(password, 12)
+}
+
+export async function verifyPassword(password: string, hash: string): Promise<boolean> {
+  return bcrypt.compare(password, hash)
+}