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import os
import sys
import subprocess
import time
from flask import Flask, Response, request, jsonify
app = Flask(__name__)
import logging
logging.basicConfig(format='%(asctime)s %(levelname)s - %(message)s', level=logging.INFO)
from yaml import load, dump
if "CONFIG_PATH" in os.environ:
filename = os.environ["CONFIG_PATH"]
else:
filename = "config.yaml"
try:
with open(filename) as f:
text = f.read()
config = load(text)
except:
print("Could not open file {}".format(filename))
sys.exit(1)
config_keys = config.keys()
@app.route("/<key>", methods=["POST"])
def key(key):
logging.info("User requested route \"{}\"".format(key))
if not key in config_keys:
logging.warning("Route \"{}\" does not exist!".format(key))
return Response("", status=404)
options = config[key]
auth_header = request.headers.get('Authorization')
protocol = request.url.split("://")[0]
logging.info("User uses protocol {}".format(protocol))
#if protocol != "https":
# return Response("HTTP requests not allowed! Use HTTPS!", status=400)
auth = options["auth"]
if auth != auth_header:
logging.warning("User request rejected due to incorrect Authorization header!")
return Response("", status=401)
if request.content_type != "application/json":
logging.warning("User request rejected due to incorrect content type (must be application/json)!")
return Response("", status=401)
content = request.json
cmd = options["command"]
for content_key in content:
cmd = cmd.replace("${" + str(content_key) + "}", content[content_key])
logging.info("User runs command:")
logging.info(cmd)
start = time.time()
output = subprocess.check_output(cmd, shell=True)
end = time.time()
output = output.decode("utf-8") if type(output) == bytes else output
duration = "{:.2f}".format(end - start)
logging.info("Command output:")
logging.info(output)
logging.info("Command duration: {}".format(duration))
return jsonify({
"command": cmd,
"output": str(output),
"duration": duration
})
@app.route("/")
def hello():
return "Welcome to remote HTTPS runner API!"
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