Mathlock Guard

由ishanishr

描述

Mathlock Guard protects your site’s public-facing content behind a lightweight math verification challenge. Visitors must correctly answer a simple arithmetic question before accessing your pages, providing an accessible, low-friction alternative to traditional CAPTCHA systems. Site administrators and the login page remain fully accessible at all times, ensuring uninterrupted site management, while all other visitors, including logged-in users such as editors, authors, and subscribers, are required to pass the verification screen.

Demo

Try Mathlock Guard on the author’s website: https://ishanishrestha.com.np

Features include:

Random math challenges
Administrator bypass
Admin dashboard and login page exclusions
Nonce verification for form submissions
Server-side challenge storage
Temporary unlock functionality
Separate CSS and template files

螢幕截圖

安裝

Upload the mathlock-guard folder to the /wp-content/plugins/ directory.
Activate the plugin through the WordPress Plugins menu.
Visit the website to test the math lock.

常見問題

How long does the website remain unlocked?: The website remains unlocked for 1 minute after the correct answer is submitted.
Does the lock affect administrators?: No. Users with the manage_options capability can bypass the math lock.
Does the lock affect the WordPress dashboard?: No. The WordPress admin area and login page are excluded from the lock.

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貢獻者及開發者

“Mathlock Guard” 是一個開源的軟體。以下的人對這個外掛作出了貢獻。

ishanishr

將 Mathlock Guard 外掛本地化為台灣繁體中文版。

對開發相關資訊感興趣？

任何人均可瀏覽程式碼、查看 SVN 存放庫，或透過 RSS 訂閱開發記錄。

修改日誌

Version 1.8

Added translation support with a text domain for localization.
Improved compatibility with WordPress localization tools.

Version 1.7

Changed the unlock duration to 1 minute.
Updated the unlock cookie configuration.

Version 1.6

Added support for a separate CSS stylesheet.
Moved the lock page HTML into a separate template file.

Version 1.5

Added a signed cookie to remember successfully unlocked visitors.
Added automatic redirection after a correct answer.

Version 1.4

Added server-side math answer storage using WordPress transients.
Added unique challenge IDs for each math question.
Removed reliance on hidden form fields for answer validation.

Version 1.3

Added nonce protection and verification for form submissions.
Added input sanitization for submitted form data.

Version 1.2

Added an administrator bypass using the manage_options capability.
Excluded the admin dashboard and login page from the mathlock.

Version 1.1

Improved form handling and answer validation.
Added incorrect-answer error messages.

Version 1.0

Initial release.
Added a random math challenge to restrict website access.
Added custom lock page functionality.
Added direct-access protection.

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