From c383b024c0198eb81b1b815e93783471490339ef Mon Sep 17 00:00:00 2001
From: hunshnet <337490703@qq.com>
Date: Thu, 9 Apr 2020 22:26:51 +0800
Subject: [PATCH] =?UTF-8?q?=E6=96=B0=E5=A2=9Epython=E7=89=88=E6=9C=AC?=
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---
 Dockerfile    | 27 ++++++++++++++++++++
 README.md     | 39 ++++++++++++++++++++++-------
 app/main.py   | 69 +++++++++++++++++++++++++++++++++++++++++++++++++++
 app/uwsgi.ini |  3 +++
 entrypoint.sh | 26 +++++++++++++++++++
 5 files changed, 155 insertions(+), 9 deletions(-)
 create mode 100644 Dockerfile
 create mode 100644 app/main.py
 create mode 100644 app/uwsgi.ini
 create mode 100644 entrypoint.sh

diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..3ece28d
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,27 @@
+FROM tiangolo/uwsgi-nginx:python3.7
+
+LABEL maintainer="Sebastian Ramirez <tiangolo@gmail.com>"
+
+RUN pip install flask requests
+
+COPY ./app /app
+WORKDIR /app
+
+# Make /app/* available to be imported by Python globally to better support several use cases like Alembic migrations.
+ENV PYTHONPATH=/app
+
+# Move the base entrypoint to reuse it
+RUN mv /entrypoint.sh /uwsgi-nginx-entrypoint.sh
+# Copy the entrypoint that will generate Nginx additional configs
+COPY entrypoint.sh /entrypoint.sh
+RUN chmod +x /entrypoint.sh
+
+ENTRYPOINT ["/entrypoint.sh"]
+
+# Run the start script provided by the parent image tiangolo/uwsgi-nginx.
+# It will check for an /app/prestart.sh script (e.g. for migrations)
+# And then will start Supervisor, which in turn will start Nginx and uWSGI
+
+EXPOSE 80
+
+CMD ["/start.sh"]
diff --git a/README.md b/README.md
index 2818dbd..3b4773e 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # gh-proxy
 ## 简介
 
-利用Cloudflare Workers对github release、archive以及项目文件进行加速，并且支持clone，部署无需服务器且自带cdn。
+github release、archive以及项目文件的加速项目，支持clone，有Cloudflare Workers无服务器版本以及Python版本
 
 ## 演示
 
@@ -9,12 +9,10 @@
 
 ## 使用
 
-直接在copy出来的url前加`https://shrill-pond-3e81.hunsh.workers.dev/`即可
+直接在copy出来的url前加`https://gh.api.99988866.xyz/`即可
 
 也可以直接访问，在input输入
 
-注意，如果是项目文件会302到jsdeliver，由国内加速会更快。
-
 ***大量使用请自行部署，以上域名仅为演示使用。***
 
 以下都是合法输入（仅示例，文件不存在）：
@@ -29,17 +27,39 @@
 
  - commit文件：https://github.com/hunshcn/project/blob/1111111111111111111111111111/filename
 
-## 自行部署
+## cf worker版本自行部署
 
 首页：https://workers.cloudflare.com
 
 注册，登陆，`Start building`，取一个子域名，`Create a Worker`。
 
-复制 [index.js](https://cdn.jsdeliver.net/hunshcn/gh-proxy@master/index.js) 或 [index2.js](https://cdn.jsdeliver.net/hunshcn/gh-proxy@master/index2.js) 到左侧代码框，`Save and deploy`。如果正常，右侧应显示首页。
+复制 [index.js](https://cdn.jsdeliver.net/hunshcn/gh-proxy@master/index.js)  到左侧代码框，`Save and deploy`。如果正常，右侧应显示首页。
+
+`index.js`默认配置下clone走github.com.cnpmjs.org，项目文件会走jsDeliver，如需走worker，修改Config变量即可
+
+## Python版本部署
+
+### Docker部署
+```
+docker run -d --name="gh-proxy-py" \
+  -p 0.0.0.0:80:80 \
+  --restart=always \
+  hunsh/gh-proxy-py:latest
+```
+第一个80是你要暴露出去的端口
+
+### 直接部署
+安装依赖（请使用python3）
 
-`index.js`的clone走github.com.cnpmjs.org，`index2.js`的clone走你的cf worker，请自行选择
+```pip install flask requests```
 
-## 计费
+按需求修改`app/main.py`的前几项配置
+
+### 注意
+
+默认配置下clone走github.com.cnpmjs.org，项目文件会走jsDeliver，如需走worker，修改配置即可
+
+## Cloudflare Workers计费
 
 到 `overview` 页面可参看使用情况。免费版每天有 10 万次免费请求，并且有每分钟1000次请求的限制。
 
@@ -47,8 +67,9 @@
 
 ## Changelog
 
-2020.03.22 初始版本
+2020.04.09 增加Python版本（使用Flask）
 2020.03.23 新增了clone的支持
+2020.03.22 初始版本
 
 ## 链接
 
diff --git a/app/main.py b/app/main.py
new file mode 100644
index 0000000..432bbef
--- /dev/null
+++ b/app/main.py
@@ -0,0 +1,69 @@
+# -*- coding: utf-8 -*-
+import re
+
+import requests
+from flask import Flask, Response, redirect, request
+
+# config
+# git使用cnpmjs镜像、分支文件使用jsDelivr镜像的开关，0为关闭，默认开启
+jsdelivr = 1
+cnpmjs = 1
+HOST = '127.0.0.1'  # 监听地址，建议监听本地然后由web服务器反代
+PORT = 80  # 监听端口
+ASSET_URL = 'https://hunshcn.github.io/gh-proxy'  # 主页
+
+app = Flask(__name__)
+app.debug = True
+CHUNK_SIZE = 1024 * 10
+index_html = requests.get(ASSET_URL, timeout=10).text
+exp1 = re.compile(r'^(?:https?:\/\/)?github\.com\/.+?\/.+?\/(?:releases|archive)\/.*$')
+exp2 = re.compile(r'^(?:https?:\/\/)?github\.com\/.+?\/.+?\/(?:blob)\/.*$')
+exp3 = re.compile(r'^(?:https?:\/\/)?github\.com\/.+?\/.+?\/(?:info|git-upload-pack).*$')
+
+
+@app.route('/')
+def index():
+    if 'q' in request.args:
+        return redirect('/' + request.args.get('q'))
+    return index_html
+
+
+@app.route('/<path:u>')
+def proxy(u):
+    u = u if u.startswith('http') else 'https://' + u
+    u = u.replace(':/g', '://g', 1)  # uwsgi会将//传递为/
+    if jsdelivr and exp2.match(u):
+        u = u.replace('/blob/', '@').replace('github.com', 'cdn.jsdelivr.net/gh')
+        return redirect(u)
+    elif cnpmjs and exp3.match(u):
+        u = u.replace('github.com', 'github.com.cnpmjs.org') + request.url.replace(request.base_url, '')
+        return redirect(u)
+    # elif exp1.match(u):
+    else:
+        headers = {}
+        r_headers = {}
+        for i in ['Range', 'User-Agent']:
+            if i in request.headers:
+                r_headers[i] = request.headers.get(i)
+        try:
+            r = requests.get(u, headers=r_headers, stream=True)
+            for i in ['Content-Type']:
+                if i in r.headers:
+                    headers[i] = r.headers.get(i)
+            if r.status_code == 200:
+                headers = dict(r.headers)
+
+            def generate():
+                for chunk in r.iter_content(chunk_size=CHUNK_SIZE):
+                    yield chunk
+
+            return Response(generate(), headers=headers, status=r.status_code)
+        except Exception as e:
+            headers['content-type'] = 'text/html; charset=UTF-8'
+            return Response('server error' + str(e), status=500, headers=headers)
+    # else:
+    #     return Response('Illegal input', status=403, mimetype='text/html; charset=UTF-8')
+
+
+if __name__ == '__main__':
+    app.run(host=HOST, port=PORT)
diff --git a/app/uwsgi.ini b/app/uwsgi.ini
new file mode 100644
index 0000000..327bbb2
--- /dev/null
+++ b/app/uwsgi.ini
@@ -0,0 +1,3 @@
+[uwsgi]
+module = main
+callable = app
diff --git a/entrypoint.sh b/entrypoint.sh
new file mode 100644
index 0000000..c0f461d
--- /dev/null
+++ b/entrypoint.sh
@@ -0,0 +1,26 @@
+#! /usr/bin/env bash
+set -e
+
+/uwsgi-nginx-entrypoint.sh
+
+# Get the listen port for Nginx, default to 80
+USE_LISTEN_PORT=${LISTEN_PORT:-80}
+
+if [ -f /app/nginx.conf ]; then
+    cp /app/nginx.conf /etc/nginx/nginx.conf
+else
+    content_server='server {\n'
+    content_server=$content_server"    listen ${USE_LISTEN_PORT};\n"
+    content_server=$content_server'    location / {\n'
+    content_server=$content_server'        try_files $uri @app;\n'
+    content_server=$content_server'    }\n'
+    content_server=$content_server'    location @app {\n'
+    content_server=$content_server'        include uwsgi_params;\n'
+    content_server=$content_server'        uwsgi_pass unix:///tmp/uwsgi.sock;\n'
+    content_server=$content_server'    }\n'
+    content_server=$content_server'}\n'
+    # Save generated server /etc/nginx/conf.d/nginx.conf
+    printf "$content_server" > /etc/nginx/conf.d/nginx.conf
+fi
+
+exec "$@"