A Flask CORS Proxy

cors_proxy.py

# Requires flask and requests
import flask
import requests


app = flask.Flask(__name__)

# ------- Actual Code ------- 
@app.route("/cors_proxy/<path:urls>", methods=["GET", "POST"])
def cors_proxy(urls):
    if flask.request.method in ["GET", "POST"]:
        r = requests.request(flask.request.method, urls)
        f = flask.Response(r.content, status=r.status_code)
        for key in r.headers:
            f.headers.add(key, r.headers[key])
        f.headers.add("Forwarded", "Server/" + urls)
        return f
    else:
        return flask.abort(405)  # 405: Method Not Allowed
# ------- End of Actual Code ------- 

app.run()


# Usage:
# /cors_proxy/http://example.com