Add the base code with Google oauth (#1)

* Add the base code and Google oauth

* fix client program and integration

* add ci and funding

Author: wu-clan

.github/FUNDING.yml

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+custom: https://wu-clan.github.io/sponsor/

.github/workflows/ci.yml

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+name: CI
+
+on:
+  push:
+    branches:
+      - master
+    tags:
+      - '**'
+  pull_request:
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    name: lint ${{ matrix.python-version }}
+    strategy:
+      matrix:
+        python-version: [ '3.10', '3.11', '3.12' ]
+      fail-fast: false
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Setup PDM
+        uses: pdm-project/setup-pdm@v3
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Install dependencies
+        run: |
+          pdm sync -dG lint
+
+#      - name: Run Tests
+#        run: |
+#          pdm run -v pytest tests
+
+      - name: pre-commit
+        uses: pre-commit/action@v3.0.0
+        with:
+          extra_args: --all-files --verbose

.gitignore

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+__pycache__/
+.pytest_cache/
+.pdm.toml
+.pdm-python
+.pdm-build/
+.env
+.venv
+venv/
+.idea/
+.vscode/
+.ruff_cache/
+dist/

.pre-commit-config.yaml

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+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v4.5.0
+    hooks:
+      - id: end-of-file-fixer
+      - id: check-yaml
+      - id: check-toml
+
+  - repo: https://github.com/charliermarsh/ruff-pre-commit
+    rev: v0.2.0
+    hooks:
+      - id: ruff
+        args:
+          - '--fix'
+      - id: ruff-format
+
+  - repo: https://github.com/pdm-project/pdm
+    rev: 2.12.3
+    hooks:
+      - id: pdm-lock-check

README.md

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+# fastapi_oauth20
+
+在 fastapi 中轻松集成 OAuth 2.0 客户端
+
+全局异步，支持 python >= 3.10
+
+我们的目标是集成多个 CN 第三方客户端，敬请期待
+
+感谢 [httpx_oauth](https://github.com/frankie567/httpx-oauth) 鼎力相助
+
+#### TODO:
+
+如果我们能够很容易获取测试客户端，对接将会很快发生
+
+- [ ] tests
+- [ ] 微信
+- [ ] QQ
+- [ ] 抖音
+- [ ] 飞书
+- [ ] 钉钉
+- [ ] 微博
+- [ ] 百度
+- [ ] Gitee
+- [ ] Github
+- [ ] 开源中国
+- [ ] 阿里云
+- [ ] TestHome

example/__init__.py

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+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-

example/main.py

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+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+import uvicorn
+
+from fastapi import Depends, FastAPI
+from fastapi_oauth20.clients.google import GoogleOAuth20
+from fastapi_oauth20.integrations.fastapi import OAuth20
+from starlette.responses import PlainTextResponse
+
+app = FastAPI()
+
+GOOGLE_CLIENT_ID = '1053650337583-ljnla4m1e5cg16erq3tld5vjflqh4bij.apps.googleusercontent.com'
+GOOGLE_CLIENT_SECRET = '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'
+GOOGLE_REDIRECT_URI = 'http://localhost:8000/auth/google'
+
+google_client = GoogleOAuth20(GOOGLE_CLIENT_ID, GOOGLE_CLIENT_SECRET)
+oauth20 = OAuth20(google_client, GOOGLE_REDIRECT_URI)
+
+
+@app.get('/login/google')
+async def login_google():
+    return await google_client.get_authorization_url(redirect_uri=GOOGLE_REDIRECT_URI)
+
+
+@app.get('/auth/google', response_model=None)
+async def auth_google(oauth: oauth20 = Depends()):
+    token, state = oauth
+    access_token = token['access_token']
+    print(access_token)
+    # do something
+    userinfo = await google_client.get_userinfo(access_token)
+    print(userinfo)
+    # do something
+    return PlainTextResponse(content='恭喜你，OAuth2 登录成功')
+
+
+if __name__ == '__main__':
+    uvicorn.run('main:app', reload=True)