OAuth 2 plugin README

plugins/auth-oauth2/README.md

@@ -0,0 +1,72 @@
+# OAuth 2.0 Authentication
+
+An [OAuth 2.0](https://datatracker.ietf.org/doc/html/rfc6749) authentication plugin that
+supports multiple grant types and flows, enabling secure API authentication with OAuth 2.0
+providers.
+
+![Screenshot of OAuth 2.0 auth UI](screenshot.png)
+
+## Overview
+
+This plugin implements OAuth 2.0 authentication for requests, supporting the most common
+OAuth 2.0 grant types used in modern API integrations. It handles token management,
+automatic refresh, and [PKCE](https://datatracker.ietf.org/doc/html/rfc7636) (Proof Key
+for Code Exchange) for enhanced security.
+
+## Supported Grant Types
+
+### Authorization Code Flow
+
+The most secure and commonly used OAuth 2.0 flow for web applications.
+
+- Standard Authorization Code flow
+- Optional PKCE (Proof Key for Code Exchange) for enhanced security
+- Supports automatic token refresh
+
+### Client Credentials Flow
+
+Ideal for server-to-server authentication where no user interaction is required. 
+
+### Implicit Flow
+
+Legacy flow for single-page applications (deprecated but still supported):
+
+- Direct access token retrieval
+- No refresh token support
+- Suitable for legacy integrations
+
+### Resource Owner Password Credentials Flow
+
+Direct username/password authentication.
+
+- User credentials are exchanged directly for tokens
+- Should only be used with trusted applications
+- Supports automatic token refresh
+
+## Features
+
+- **Automatic Token Management**: Handles token storage, expiration, and refresh
+  automatically
+- **PKCE Support**: Enhanced security for Authorization Code flow
+- **Token Persistence**: Stores tokens between sessions
+- **Flexible Configuration**: Supports custom authorization and token endpoints
+- **Scope Management**: Configure required OAuth scopes for your API
+- **Error Handling**: Comprehensive error handling and user feedback
+
+## Usage
+
+1. Configure the request, folder, or workspace to use OAuth 2.0 Authentication
+2. Select the appropriate grant type for your use case
+3. Fill in the required OAuth 2.0 parameters from your API provider
+4. The plugin will handle the authentication flow and token management automatically
+
+## Compatibility
+
+This plugin is compatible with OAuth 2.0 providers including:
+
+- Google APIs
+- Microsoft Graph
+- GitHub API
+- Auth0
+- Okta
+- And many other OAuth 2.0 compliant services

plugins/auth-oauth2/package.json

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   "name": "@yaak/auth-oauth2",
   "displayName": "OAuth 2.0 Authentication",
   "description": "Authenticate requests using OAuth 2.0",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/mountain-loop/yaak.git",
+    "directory": "plugins/auth-oauth2"
+  },
   "private": true,
   "version": "0.1.0",
   "scripts": {