cookie

Cookie management utilities with security features.

Functions

Function	Description	Example
set	Creates a cookie with specified properties	dphelper.cookie.set({name: 'user', value: 'john', time: 365})
get	Retrieves a cookie value by name	dphelper.cookie.get('user')
delete	Deletes a cookie by name	dphelper.cookie.delete('user')
removeAll	Clears all cookies	dphelper.cookie.removeAll()

Description

Complete cookie management:

• Create - Set cookies with expiration, path, security

• Read - Get cookie values

• Delete - Remove specific or all cookies

• Security - SameSite, Secure flags for CSRF protection

Usage Examples

Setting Cookies

// Simple cookie
dphelper.cookie.set({
  name: 'theme',
  value: 'dark'
});

// Cookie with expiration (days)
dphelper.cookie.set({
  name: 'user',
  value: '[e-mail]',
  time: 30 // 30 days
});

// Secure cookie (HTTPS only)
dphelper.cookie.set({
  name: 'session',
  value: 'abc123',
  secure: true,
  sameSite: 'Strict'
});

Reading Cookies

// Get cookie value
const theme = dphelper.cookie.get('theme');
console.log(theme); // "dark"

// Get session
const session = dphelper.cookie.get('session');

Deleting Cookies

// Delete specific cookie
dphelper.cookie.delete('theme');

// Clear all cookies
dphelper.cookie.removeAll();

Complete Example

class CookieManager {
  constructor() {}

  // Save user preferences
  savePreferences(prefs) {
    dphelper.cookie.set({
      name: 'preferences',
      value: JSON.stringify(prefs),
      time: 365,
      sameSite: 'Lax'
    });
  }

  // Load preferences
  loadPreferences() {
    const prefs = dphelper.cookie.get('preferences');
    return prefs ? JSON.parse(prefs) : null;
  }

  // Clear all
  clearAll() {
    dphelper.cookie.removeAll();
  }
}

Security Features

• SameSite - Default 'Lax' for CSRF protection

• Secure - Automatic on HTTPS

• Value Encoding - URL encoding to prevent injection

Details

• Author: Dario Passariello

• Version: 0.0.2

• Creation Date: 20210101

• Last Modified: 20240613

• Environment: Client-side only (browser)

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