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mirrorps/wordpress-taler-payments
=================================

WordPress plugin integrating GNU Taler payments.

v1.2.1.1(1mo ago)10GPL-2.0-or-laterPHPPHP >=8.1CI passing

Since Mar 29Pushed 1mo agoCompare

[ Source](https://github.com/mirrorps/wordpress-taler-payments)[ Packagist](https://packagist.org/packages/mirrorps/wordpress-taler-payments)[ RSS](/packages/mirrorps-wordpress-taler-payments/feed)WikiDiscussions main Synced 1mo ago

READMEChangelogDependencies (5)Versions (3)Used By (0)

Taler Payments for WordPress
============================

[](#taler-payments-for-wordpress)

Developer-focused documentation for the GNU Taler WordPress plugin.

This plugin adds a shortcode-driven payment UI that creates Merchant Backend orders on demand, opens the wallet with a `taler://` URI, and supports QR-based mobile payment.

Admin quick start (self-hosted)
-------------------------------

[](#admin-quick-start-self-hosted)

If you only need to use the plugin on your own site:

1. Copy plugin to `wp-content/plugins/mirrorps-payments-for-gnu-taler`.
2. Run `composer install --no-dev` inside the plugin directory.
3. Activate **mirrorps Payments for GNU Taler** in WordPress.
4. Open **Settings -> mirrorps Payments for GNU Taler**.
5. Save:
    - Base URL (must include `/instances/` and use `https://`)
    - Either Access Token or Username/Password/Instance ID
6. Add shortcode to a page:
    - `[taler_pay_button amount="KUDOS:1.00" summary="Donation"]`

For user-facing documentation, use `readme.txt` (WordPress.org-oriented).

Requirements
------------

[](#requirements)

- WordPress 6.0+
- PHP 8.1+
- Composer
- Reachable GNU Taler Merchant Backend over HTTPS

Core behavior
-------------

[](#core-behavior)

- Shortcode: `[taler_pay_button]`
- Order is created only after user interaction (button click)
- Modal flow includes:
    - amount + summary preview
    - wallet deep-link (`taler://...`)
    - QR code generation for mobile wallets
    - manual "Check payment status" action
- Public page support adds `` when needed

Configuration details
---------------------

[](#configuration-details)

Settings are stored in WordPress option `taler_options`.

### Base URL

[](#base-url)

- Key: `taler_base_url`
- Must be `https://`
- Must include instance path (example: `https://backend.demo.taler.net/instances/sandbox`)

### Authentication

[](#authentication)

Two auth methods are supported:

- Access token
    - Key: `taler_token` (stored encrypted)
    - Token auth has priority when both methods are present
- Username/password/instance
    - Keys: `ext_username`, `ext_password` (encrypted), `taler_instance`

Runtime fallback behavior:

- If token-auth order operations receive `401`, the plugin retries once using configured username/password credentials.

### Public text overrides

[](#public-text-overrides)

Optional text keys:

- `public_thank_you_message`
- `public_pay_button_cta`
- `public_check_status_button_text`
- `public_check_status_hint`

Public endpoints and protections
--------------------------------

[](#public-endpoints-and-protections)

AJAX actions:

- `taler_wp_create_order`
- `taler_wp_check_order_status`

Protections:

- WordPress nonce checks on both actions
- Per-request throttling with transients
- Generic public errors (detailed backend messages only with `WP_DEBUG`)

Rate-limit filters:

- `taler_wp_rate_limit_window_seconds`
- `taler_wp_rate_limit_max_requests`
- `taler_wp_status_rate_limit_window_seconds`
- `taler_wp_status_rate_limit_max_requests`

Developer setup
---------------

[](#developer-setup)

Install all dependencies (including dev):

- `composer install`

Run tests:

- `composer test`

Project structure
-----------------

[](#project-structure)

- `mirrorps-payments-for-gnu-taler.php` - plugin bootstrap and protocol allowance
- `src/Admin` - settings page and form rendering
- `src/Public` - shortcode presentation, modal wiring, AJAX controllers
- `src/Services` - merchant auth/config and order logic
- `src/Settings` - sanitization and options mapping
- `css` - frontend/admin CSS
- `js` - frontend JS and bundled third-party library
- `tests/Unit` - PHPUnit unit tests

Contributing
------------

[](#contributing)

Contributions are welcome! Please see [CONTRIBUTING.md](CONTRIBUTING.md) for guidelines.

Privacy
-------

[](#privacy)

The plugin does not create user profiles.

When users trigger payment actions, WordPress sends order-related requests to the configured Merchant Backend. Hosting and backend logs may include metadata such as IP addresses and request details.

License and third-party components
----------------------------------

[](#license-and-third-party-components)

- Plugin license: GPLv2 or later
- Bundled component: `js/davidshimjs-qrcodejs-04f46c6/qrcode.min.js` (MIT License, davidshimjs)

See:

- `js/davidshimjs-qrcodejs-04f46c6/LICENSE`
- `THIRD-PARTY-LICENSES.txt`

Funding
-------

[](#funding)

This project is funded through [NGI TALER Fund](https://nlnet.nl/taler), a fund established by [NLnet](https://nlnet.nl) with financial support from the European Commission's [Next Generation Internet](https://ngi.eu) program. Learn more at the [NLnet project page](https://nlnet.nl/project/TalerPHP).

[![NLnet foundation logo](https://camo.githubusercontent.com/b2f4296f9a60d61a382b0bbaa9e688d8f75dd688d9769b10ca67b4889481d636/68747470733a2f2f6e6c6e65742e6e6c2f6c6f676f2f62616e6e65722e706e67)](https://nlnet.nl)

###  Health Score

37

—

LowBetter than 83% of packages

Maintenance91

Actively maintained with recent releases

Popularity2

Limited adoption so far

Community6

Small or concentrated contributor base

Maturity43

Maturing project, gaining track record

 Bus Factor1

Top contributor holds 100% of commits — single point of failure

How is this calculated?**Maintenance (25%)** — Last commit recency, latest release date, and issue-to-star ratio. Uses a 2-year decay window.

**Popularity (30%)** — Total and monthly downloads, GitHub stars, and forks. Logarithmic scaling prevents top-heavy scores.

**Community (15%)** — Contributors, dependents, forks, watchers, and maintainers. Measures real ecosystem engagement.

**Maturity (30%)** — Project age, version count, PHP version support, and release stability.

###  Release Activity

Cadence

Every ~0 days

Total

2

Last Release

44d ago

### Community

Maintainers

![](https://www.gravatar.com/avatar/fc68fd6683b55985e3b4328c1d90b14e0ff9f29b1ee97a14206fc9561628e66a?d=identicon)[mirrorps](/maintainers/mirrorps)

---

Top Contributors

[![mirrorps](https://avatars.githubusercontent.com/u/10708724?v=4)](https://github.com/mirrorps "mirrorps (39 commits)")

###  Code Quality

TestsPHPUnit

### Embed Badge

![Health badge](/badges/mirrorps-wordpress-taler-payments/health.svg)

```
[![Health](https://phpackages.com/badges/mirrorps-wordpress-taler-payments/health.svg)](https://phpackages.com/packages/mirrorps-wordpress-taler-payments)
```

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