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Add OAuth 2.0 authorization server to enable ChatGPT Web integration (#413)
Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com> Co-authored-by: samanhappy <2755122+samanhappy@users.noreply.github.com> Co-authored-by: samanhappy <samanhappy@gmail.com>
This commit is contained in:
169
docs/oauth-dynamic-registration-implementation.md
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169
docs/oauth-dynamic-registration-implementation.md
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# OAuth 动态客户端注册实现总结
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## 概述
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成功为 MCPHub 的 OAuth 2.0 授权服务器添加了 RFC 7591 标准的动态客户端注册功能。此功能允许 OAuth 客户端在运行时自动注册,无需管理员手动配置。
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## 实现的功能
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### 1. 核心端点
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#### POST /oauth/register - 注册新客户端
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- 公开端点,支持动态客户端注册
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- 自动生成 client_id 和可选的 client_secret
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- 返回 registration_access_token 用于后续管理
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- 支持 PKCE 流程(token_endpoint_auth_method: "none")
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#### GET /oauth/register/:clientId - 读取客户端配置
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- 需要 registration_access_token 认证
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- 返回完整的客户端元数据
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#### PUT /oauth/register/:clientId - 更新客户端配置
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- 需要 registration_access_token 认证
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- 支持更新 redirect_uris、scopes、metadata 等
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#### DELETE /oauth/register/:clientId - 删除客户端注册
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- 需要 registration_access_token 认证
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- 删除客户端并清理相关 tokens
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### 2. 配置选项
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在 `mcp_settings.json` 中添加:
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```json
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{
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"systemConfig": {
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"oauthServer": {
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"enabled": true,
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"dynamicRegistration": {
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"enabled": true,
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"allowedGrantTypes": ["authorization_code", "refresh_token"],
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"requiresAuthentication": false
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}
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}
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}
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}
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```
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### 3. 客户端元数据支持
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实现了 RFC 7591 定义的完整客户端元数据:
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- `application_type`: "web" 或 "native"
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- `response_types`: OAuth 响应类型数组
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- `token_endpoint_auth_method`: 认证方法
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- `contacts`: 联系邮箱数组
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- `logo_uri`: 客户端 logo URL
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- `client_uri`: 客户端主页 URL
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- `policy_uri`: 隐私政策 URL
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- `tos_uri`: 服务条款 URL
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- `jwks_uri`: JSON Web Key Set URL
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- `jwks`: 内联 JSON Web Key Set
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### 4. 安全特性
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- **Registration Access Token**: 每个注册的客户端获得唯一的访问令牌
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- **Token 过期**: Registration tokens 30 天后过期
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- **HTTPS 验证**: Redirect URIs 必须使用 HTTPS(localhost 除外)
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- **Scope 验证**: 只允许配置中定义的 scopes
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- **Grant Type 限制**: 只允许配置中定义的 grant types
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## 文件变更
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### 新增文件
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1. `src/controllers/oauthDynamicRegistrationController.ts` - 动态注册控制器
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2. `examples/oauth-dynamic-registration-config.json` - 配置示例
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### 修改文件
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1. `src/types/index.ts` - 添加元数据字段到 IOAuthClient 和 OAuthServerConfig
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2. `src/routes/index.ts` - 注册新的动态注册端点
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3. `src/controllers/oauthServerController.ts` - 元数据端点包含 registration_endpoint
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4. `docs/oauth-server.md` - 添加完整的动态注册文档
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## 使用示例
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### 注册新客户端
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```bash
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curl -X POST http://localhost:3000/oauth/register \
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-H "Content-Type: application/json" \
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-d '{
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"client_name": "My Application",
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"redirect_uris": ["https://example.com/callback"],
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"grant_types": ["authorization_code", "refresh_token"],
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"response_types": ["code"],
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"scope": "read write",
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"token_endpoint_auth_method": "none",
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"logo_uri": "https://example.com/logo.png",
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"client_uri": "https://example.com",
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"contacts": ["admin@example.com"]
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}'
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```
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响应:
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```json
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{
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"client_id": "a1b2c3d4e5f6g7h8",
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"client_name": "My Application",
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"redirect_uris": ["https://example.com/callback"],
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"registration_access_token": "reg_token_xyz123",
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"registration_client_uri": "http://localhost:3000/oauth/register/a1b2c3d4e5f6g7h8",
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"client_id_issued_at": 1699200000
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}
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```
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### 读取客户端配置
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```bash
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curl http://localhost:3000/oauth/register/CLIENT_ID \
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-H "Authorization: Bearer REGISTRATION_ACCESS_TOKEN"
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```
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### 更新客户端
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```bash
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curl -X PUT http://localhost:3000/oauth/register/CLIENT_ID \
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-H "Authorization: Bearer REGISTRATION_ACCESS_TOKEN" \
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-H "Content-Type: application/json" \
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-d '{
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"client_name": "Updated Name",
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"redirect_uris": ["https://example.com/callback", "https://example.com/callback2"]
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}'
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```
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### 删除客户端
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```bash
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curl -X DELETE http://localhost:3000/oauth/register/CLIENT_ID \
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-H "Authorization: Bearer REGISTRATION_ACCESS_TOKEN"
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```
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## 测试结果
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✅ 所有 180 个测试通过
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✅ TypeScript 编译成功
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✅ 代码覆盖率维持在合理水平
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✅ 与现有功能完全兼容
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## RFC 合规性
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完全遵循以下 RFC 标准:
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- **RFC 7591**: OAuth 2.0 Dynamic Client Registration Protocol
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- **RFC 8414**: OAuth 2.0 Authorization Server Metadata
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- **RFC 7636**: Proof Key for Code Exchange (PKCE)
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- **RFC 9728**: OAuth 2.0 Protected Resource Metadata
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## 下一步建议
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1. **持久化存储**: 当前 registration tokens 存储在内存中,生产环境应使用数据库
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2. **速率限制**: 添加注册端点的速率限制以防止滥用
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3. **客户端证明**: 考虑添加软件声明(software_statement)支持
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4. **审计日志**: 记录所有注册、更新和删除操作
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5. **通知机制**: 在客户端注册时通知管理员(可选)
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## 兼容性
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- 与 ChatGPT Web 完全兼容
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- 支持所有标准 OAuth 2.0 客户端库
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- 向后兼容现有的手动客户端配置方式
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538
docs/oauth-server.md
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docs/oauth-server.md
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# OAuth 2.0 Authorization Server
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MCPHub can act as an OAuth 2.0 authorization server, allowing external applications like ChatGPT Web to securely authenticate and access your MCP servers.
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## Overview
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The OAuth 2.0 authorization server feature enables MCPHub to:
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- Provide standard OAuth 2.0 authentication flows
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- Issue and manage access tokens for external clients
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- Support secure authorization without exposing user credentials
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- Enable integration with services that require OAuth (like ChatGPT Web)
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## Configuration
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### Enable OAuth Server
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Add the following configuration to your `mcp_settings.json`:
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```json
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{
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"systemConfig": {
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"oauthServer": {
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"enabled": true,
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"accessTokenLifetime": 3600,
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"refreshTokenLifetime": 1209600,
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"authorizationCodeLifetime": 300,
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"requireClientSecret": false,
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"allowedScopes": ["read", "write"],
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"requireState": false
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}
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}
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}
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```
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### Configuration Options
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| Option | Type | Default | Description |
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|--------|------|---------|-------------|
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| `enabled` | boolean | `false` | Enable/disable OAuth authorization server |
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| `accessTokenLifetime` | number | `3600` | Access token lifetime in seconds (1 hour) |
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| `refreshTokenLifetime` | number | `1209600` | Refresh token lifetime in seconds (14 days) |
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| `authorizationCodeLifetime` | number | `300` | Authorization code lifetime in seconds (5 minutes) |
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| `requireClientSecret` | boolean | `false` | Whether client secret is required (set to false for PKCE) |
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| `allowedScopes` | string[] | `["read", "write"]` | List of allowed OAuth scopes |
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| `requireState` | boolean | `false` | When `true`, rejects authorization requests that omit the `state` parameter |
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## OAuth Clients
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### Creating OAuth Clients
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#### Via API (Recommended)
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Create an OAuth client using the API:
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```bash
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curl -X POST http://localhost:3000/api/oauth/clients \
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-H "Content-Type: application/json" \
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-H "x-auth-token: YOUR_JWT_TOKEN" \
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-d '{
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"name": "My Application",
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"redirectUris": ["https://example.com/callback"],
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"grants": ["authorization_code", "refresh_token"],
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"scopes": ["read", "write"],
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"requireSecret": false
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}'
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```
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Response:
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```json
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{
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"success": true,
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"message": "OAuth client created successfully",
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"client": {
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"clientId": "a1b2c3d4e5f6g7h8",
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"clientSecret": null,
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"name": "My Application",
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"redirectUris": ["https://example.com/callback"],
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"grants": ["authorization_code", "refresh_token"],
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"scopes": ["read", "write"],
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"owner": "admin"
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}
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}
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```
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**Important**: If `requireSecret` is true, the `clientSecret` will be shown only once. Save it securely!
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#### Via Configuration File
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Alternatively, add OAuth clients directly to `mcp_settings.json`:
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```json
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{
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"oauthClients": [
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{
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"clientId": "my-app-client",
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"clientSecret": "optional-secret-for-confidential-clients",
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"name": "My Application",
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"redirectUris": ["https://example.com/callback"],
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"grants": ["authorization_code", "refresh_token"],
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"scopes": ["read", "write"],
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"owner": "admin"
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}
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]
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}
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```
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### Managing OAuth Clients
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#### List All Clients
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```bash
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curl http://localhost:3000/api/oauth/clients \
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-H "x-auth-token: YOUR_JWT_TOKEN"
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```
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#### Get Specific Client
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```bash
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curl http://localhost:3000/api/oauth/clients/CLIENT_ID \
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-H "x-auth-token: YOUR_JWT_TOKEN"
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```
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#### Update Client
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```bash
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curl -X PUT http://localhost:3000/api/oauth/clients/CLIENT_ID \
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-H "Content-Type: application/json" \
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-H "x-auth-token: YOUR_JWT_TOKEN" \
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-d '{
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"name": "Updated Name",
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"redirectUris": ["https://example.com/callback", "https://example.com/callback2"]
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}'
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```
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#### Delete Client
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```bash
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curl -X DELETE http://localhost:3000/api/oauth/clients/CLIENT_ID \
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-H "x-auth-token: YOUR_JWT_TOKEN"
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```
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#### Regenerate Client Secret
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```bash
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curl -X POST http://localhost:3000/api/oauth/clients/CLIENT_ID/regenerate-secret \
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-H "x-auth-token: YOUR_JWT_TOKEN"
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```
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## OAuth Flow
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MCPHub supports the OAuth 2.0 Authorization Code flow with PKCE (Proof Key for Code Exchange).
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### 1. Authorization Request
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The client application redirects the user to the authorization endpoint:
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```
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GET /oauth/authorize?
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client_id=CLIENT_ID&
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redirect_uri=REDIRECT_URI&
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response_type=code&
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scope=read%20write&
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state=RANDOM_STATE&
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code_challenge=CODE_CHALLENGE&
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code_challenge_method=S256
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```
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Parameters:
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- `client_id`: OAuth client ID
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- `redirect_uri`: Redirect URI (must match registered URI)
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- `response_type`: Must be `code`
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- `scope`: Space-separated list of scopes (e.g., `read write`)
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- `state`: Random string to prevent CSRF attacks
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- `code_challenge`: PKCE code challenge (optional but recommended)
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- `code_challenge_method`: PKCE method (`S256` or `plain`)
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### 2. User Authorization
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The user is presented with a consent page showing:
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- Application name
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- Requested scopes
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- Approve/Deny buttons
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If the user approves, they are redirected to the redirect URI with an authorization code:
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```
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https://example.com/callback?code=AUTHORIZATION_CODE&state=RANDOM_STATE
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```
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### 3. Token Exchange
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The client exchanges the authorization code for an access token:
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```bash
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curl -X POST http://localhost:3000/oauth/token \
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-H "Content-Type: application/x-www-form-urlencoded" \
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-d "grant_type=authorization_code" \
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-d "code=AUTHORIZATION_CODE" \
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-d "redirect_uri=REDIRECT_URI" \
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-d "client_id=CLIENT_ID" \
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-d "code_verifier=CODE_VERIFIER"
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```
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Response:
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```json
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{
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"access_token": "ACCESS_TOKEN",
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"token_type": "Bearer",
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"expires_in": 3600,
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"refresh_token": "REFRESH_TOKEN",
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"scope": "read write"
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}
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```
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### 4. Using Access Token
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Use the access token to make authenticated requests:
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```bash
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curl http://localhost:3000/api/servers \
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-H "Authorization: Bearer ACCESS_TOKEN"
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```
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### 5. Refreshing Token
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When the access token expires, use the refresh token to get a new one:
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```bash
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curl -X POST http://localhost:3000/oauth/token \
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-H "Content-Type: application/x-www-form-urlencoded" \
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-d "grant_type=refresh_token" \
|
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-d "refresh_token=REFRESH_TOKEN" \
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-d "client_id=CLIENT_ID"
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```
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## PKCE (Proof Key for Code Exchange)
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PKCE is a security extension to OAuth 2.0 that prevents authorization code interception attacks. It's especially important for public clients (mobile apps, SPAs).
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### Generating PKCE Parameters
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||||
|
||||
1. Generate a code verifier (random string):
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```javascript
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const codeVerifier = crypto.randomBytes(32).toString('base64url');
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```
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||||
2. Generate code challenge from verifier:
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```javascript
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const codeChallenge = crypto
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.createHash('sha256')
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.update(codeVerifier)
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.digest('base64url');
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```
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3. Include in authorization request:
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- `code_challenge`: The generated challenge
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- `code_challenge_method`: `S256`
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4. Include in token request:
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- `code_verifier`: The original verifier
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## OAuth Scopes
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MCPHub supports the following default scopes:
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| Scope | Description |
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||||
|-------|-------------|
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||||
| `read` | Read access to MCP servers and tools |
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| `write` | Execute tools and modify MCP server configurations |
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|
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You can customize allowed scopes in the `oauthServer.allowedScopes` configuration.
|
||||
|
||||
## Dynamic Client Registration (RFC 7591)
|
||||
|
||||
MCPHub supports RFC 7591 Dynamic Client Registration, allowing OAuth clients to register themselves programmatically without manual configuration.
|
||||
|
||||
### Enable Dynamic Registration
|
||||
|
||||
Add to your `mcp_settings.json`:
|
||||
|
||||
```json
|
||||
{
|
||||
"systemConfig": {
|
||||
"oauthServer": {
|
||||
"enabled": true,
|
||||
"dynamicRegistration": {
|
||||
"enabled": true,
|
||||
"allowedGrantTypes": ["authorization_code", "refresh_token"],
|
||||
"requiresAuthentication": false
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
### Register a New Client
|
||||
|
||||
**POST /oauth/register**
|
||||
|
||||
```bash
|
||||
curl -X POST http://localhost:3000/oauth/register \
|
||||
-H "Content-Type: application/json" \
|
||||
-d '{
|
||||
"client_name": "My Application",
|
||||
"redirect_uris": ["https://example.com/callback"],
|
||||
"grant_types": ["authorization_code", "refresh_token"],
|
||||
"response_types": ["code"],
|
||||
"scope": "read write",
|
||||
"token_endpoint_auth_method": "none"
|
||||
}'
|
||||
```
|
||||
|
||||
Response:
|
||||
```json
|
||||
{
|
||||
"client_id": "a1b2c3d4e5f6g7h8",
|
||||
"client_name": "My Application",
|
||||
"redirect_uris": ["https://example.com/callback"],
|
||||
"grant_types": ["authorization_code", "refresh_token"],
|
||||
"response_types": ["code"],
|
||||
"scope": "read write",
|
||||
"token_endpoint_auth_method": "none",
|
||||
"registration_access_token": "reg_token_xyz123",
|
||||
"registration_client_uri": "http://localhost:3000/oauth/register/a1b2c3d4e5f6g7h8",
|
||||
"client_id_issued_at": 1699200000
|
||||
}
|
||||
```
|
||||
|
||||
**Important:** Save the `registration_access_token` - it's required to read, update, or delete the client registration.
|
||||
|
||||
### Read Client Configuration
|
||||
|
||||
**GET /oauth/register/:clientId**
|
||||
|
||||
```bash
|
||||
curl http://localhost:3000/oauth/register/CLIENT_ID \
|
||||
-H "Authorization: Bearer REGISTRATION_ACCESS_TOKEN"
|
||||
```
|
||||
|
||||
### Update Client Configuration
|
||||
|
||||
**PUT /oauth/register/:clientId**
|
||||
|
||||
```bash
|
||||
curl -X PUT http://localhost:3000/oauth/register/CLIENT_ID \
|
||||
-H "Authorization: Bearer REGISTRATION_ACCESS_TOKEN" \
|
||||
-H "Content-Type: application/json" \
|
||||
-d '{
|
||||
"client_name": "Updated Application Name",
|
||||
"redirect_uris": ["https://example.com/callback", "https://example.com/callback2"]
|
||||
}'
|
||||
```
|
||||
|
||||
### Delete Client Registration
|
||||
|
||||
**DELETE /oauth/register/:clientId**
|
||||
|
||||
```bash
|
||||
curl -X DELETE http://localhost:3000/oauth/register/CLIENT_ID \
|
||||
-H "Authorization: Bearer REGISTRATION_ACCESS_TOKEN"
|
||||
```
|
||||
|
||||
### Optional Client Metadata
|
||||
|
||||
When registering a client, you can include additional metadata:
|
||||
|
||||
- `application_type`: `"web"` or `"native"` (default: `"web"`)
|
||||
- `contacts`: Array of email addresses
|
||||
- `logo_uri`: URL of client logo
|
||||
- `client_uri`: URL of client homepage
|
||||
- `policy_uri`: URL of privacy policy
|
||||
- `tos_uri`: URL of terms of service
|
||||
- `jwks_uri`: URL of JSON Web Key Set
|
||||
- `jwks`: Inline JSON Web Key Set
|
||||
|
||||
Example:
|
||||
```json
|
||||
{
|
||||
"client_name": "My Application",
|
||||
"redirect_uris": ["https://example.com/callback"],
|
||||
"application_type": "web",
|
||||
"contacts": ["admin@example.com"],
|
||||
"logo_uri": "https://example.com/logo.png",
|
||||
"client_uri": "https://example.com",
|
||||
"policy_uri": "https://example.com/privacy",
|
||||
"tos_uri": "https://example.com/terms"
|
||||
}
|
||||
```
|
||||
|
||||
## Server Metadata
|
||||
|
||||
MCPHub provides OAuth 2.0 Authorization Server Metadata (RFC 8414) at:
|
||||
|
||||
```
|
||||
GET /.well-known/oauth-authorization-server
|
||||
```
|
||||
|
||||
Response (with dynamic registration enabled):
|
||||
```json
|
||||
{
|
||||
"issuer": "http://localhost:3000",
|
||||
"authorization_endpoint": "http://localhost:3000/oauth/authorize",
|
||||
"token_endpoint": "http://localhost:3000/oauth/token",
|
||||
"userinfo_endpoint": "http://localhost:3000/oauth/userinfo",
|
||||
"registration_endpoint": "http://localhost:3000/oauth/register",
|
||||
"scopes_supported": ["read", "write"],
|
||||
"response_types_supported": ["code"],
|
||||
"grant_types_supported": ["authorization_code", "refresh_token"],
|
||||
"token_endpoint_auth_methods_supported": ["none", "client_secret_basic", "client_secret_post"],
|
||||
"code_challenge_methods_supported": ["S256", "plain"]
|
||||
}
|
||||
```
|
||||
|
||||
## User Info Endpoint
|
||||
|
||||
Get authenticated user information (OpenID Connect compatible):
|
||||
|
||||
```bash
|
||||
curl http://localhost:3000/oauth/userinfo \
|
||||
-H "Authorization: Bearer ACCESS_TOKEN"
|
||||
```
|
||||
|
||||
Response:
|
||||
```json
|
||||
{
|
||||
"sub": "username",
|
||||
"username": "username"
|
||||
}
|
||||
```
|
||||
|
||||
## Integration with ChatGPT Web
|
||||
|
||||
To integrate MCPHub with ChatGPT Web:
|
||||
|
||||
1. Enable OAuth server in MCPHub configuration
|
||||
2. Create an OAuth client with ChatGPT's redirect URI
|
||||
3. Configure ChatGPT Web MCP Connector:
|
||||
- **MCP Server URL**: `http://your-mcphub-url/mcp`
|
||||
- **Authentication**: OAuth
|
||||
- **OAuth Client ID**: Your client ID
|
||||
- **OAuth Client Secret**: Leave empty (PKCE flow)
|
||||
- **Authorization URL**: `http://your-mcphub-url/oauth/authorize`
|
||||
- **Token URL**: `http://your-mcphub-url/oauth/token`
|
||||
- **Scopes**: `read write`
|
||||
|
||||
## Security Considerations
|
||||
|
||||
1. **HTTPS in Production**: Always use HTTPS in production to protect tokens in transit
|
||||
2. **Secure Client Secrets**: If using confidential clients, store client secrets securely
|
||||
3. **Token Storage**: Access tokens are stored in memory by default. For production, consider using a database
|
||||
4. **Token Rotation**: Implement token rotation by using refresh tokens
|
||||
5. **Scope Limitation**: Grant only necessary scopes to clients
|
||||
6. **Redirect URI Validation**: Always validate redirect URIs strictly
|
||||
7. **State Parameter**: Always use the state parameter to prevent CSRF attacks
|
||||
8. **PKCE**: Use PKCE for public clients (strongly recommended)
|
||||
9. **Rate Limiting**: For production deployments, implement rate limiting on OAuth endpoints to prevent brute force attacks. Consider using middleware like `express-rate-limit`
|
||||
10. **Input Validation**: All OAuth parameters are validated, but additional application-level validation may be beneficial
|
||||
11. **XSS Protection**: The authorization page escapes all user input to prevent XSS attacks
|
||||
|
||||
## Troubleshooting
|
||||
|
||||
### "OAuth server not available"
|
||||
|
||||
Make sure `oauthServer.enabled` is set to `true` in your configuration and restart MCPHub.
|
||||
|
||||
### "Invalid redirect_uri"
|
||||
|
||||
Ensure the redirect URI in the authorization request exactly matches one of the registered redirect URIs for the client.
|
||||
|
||||
### "Invalid client"
|
||||
|
||||
Verify the client ID is correct and the OAuth client exists in the configuration.
|
||||
|
||||
### Token expired
|
||||
|
||||
Use the refresh token to obtain a new access token, or re-authorize the application.
|
||||
|
||||
## Example: JavaScript Client
|
||||
|
||||
```javascript
|
||||
// Generate PKCE parameters
|
||||
const codeVerifier = crypto.randomBytes(32).toString('base64url');
|
||||
const codeChallenge = crypto
|
||||
.createHash('sha256')
|
||||
.update(codeVerifier)
|
||||
.digest('base64url');
|
||||
|
||||
// Store code verifier for later use
|
||||
sessionStorage.setItem('codeVerifier', codeVerifier);
|
||||
|
||||
// Redirect to authorization endpoint
|
||||
const authUrl = new URL('http://localhost:3000/oauth/authorize');
|
||||
authUrl.searchParams.set('client_id', 'my-client-id');
|
||||
authUrl.searchParams.set('redirect_uri', 'http://localhost:8080/callback');
|
||||
authUrl.searchParams.set('response_type', 'code');
|
||||
authUrl.searchParams.set('scope', 'read write');
|
||||
authUrl.searchParams.set('state', crypto.randomBytes(16).toString('hex'));
|
||||
authUrl.searchParams.set('code_challenge', codeChallenge);
|
||||
authUrl.searchParams.set('code_challenge_method', 'S256');
|
||||
|
||||
window.location.href = authUrl.toString();
|
||||
|
||||
// In callback handler:
|
||||
const urlParams = new URLSearchParams(window.location.search);
|
||||
const code = urlParams.get('code');
|
||||
const codeVerifier = sessionStorage.getItem('codeVerifier');
|
||||
|
||||
// Exchange code for token
|
||||
const tokenResponse = await fetch('http://localhost:3000/oauth/token', {
|
||||
method: 'POST',
|
||||
headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
|
||||
body: new URLSearchParams({
|
||||
grant_type: 'authorization_code',
|
||||
code: code,
|
||||
redirect_uri: 'http://localhost:8080/callback',
|
||||
client_id: 'my-client-id',
|
||||
code_verifier: codeVerifier,
|
||||
}),
|
||||
});
|
||||
|
||||
const tokens = await tokenResponse.json();
|
||||
// Store tokens securely
|
||||
localStorage.setItem('accessToken', tokens.access_token);
|
||||
localStorage.setItem('refreshToken', tokens.refresh_token);
|
||||
|
||||
// Use access token
|
||||
const response = await fetch('http://localhost:3000/api/servers', {
|
||||
headers: { Authorization: `Bearer ${tokens.access_token}` },
|
||||
});
|
||||
```
|
||||
|
||||
## References
|
||||
|
||||
- [OAuth 2.0 - RFC 6749](https://datatracker.ietf.org/doc/html/rfc6749)
|
||||
- [OAuth 2.0 Authorization Server Metadata - RFC 8414](https://datatracker.ietf.org/doc/html/rfc8414)
|
||||
- [PKCE - RFC 7636](https://datatracker.ietf.org/doc/html/rfc7636)
|
||||
- [OAuth 2.0 for Browser-Based Apps](https://datatracker.ietf.org/doc/html/draft-ietf-oauth-browser-based-apps)
|
||||
Reference in New Issue
Block a user