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apiify.py
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apiify.py
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#!/usr/bin/env python3
#apiify.py by Mark Baggett
#Twitter @MarkBaggett
import logging
import http.server
import expiring_cache
import datetime
import threading
import socketserver
import time
import urllib
import re
import json
import config
import subprocess
import functools
import resource
import pathlib
import os
import itertools
import code
import sys
if len(sys.argv)== 1:
config = config.config("apiify.yaml")
else:
config = config.config(sys.argv[1])
cacheable = lambda _:True
if config.get('no_caching_this_error'):
cacheable = lambda x:config['no_caching_this_error'].encode() not in x.lower()
def cacheable(item):
cache_it = config.get('no_caching_this_error').encode() not in item
cache_it &= "-ERRORNOTCACHED".encode() not in item
cache_it &= bool(item.strip()) #Don't cache it if it is a blank string (or all spaces)
if config.get('debug_statements'):
print("Cached:{} for {}".format(cache_it,item))
return cache_it
@expiring_cache.expiring_cache(maxsize=config['cached_max_items'], cacheable=cacheable, hours_to_live=config['item_hours_in_cache'])
def exec_command(arguments):
cli = config.get('base_command')
cli = cli.replace("*WEBINFO*",arguments)
try:
if config['block_command_injection']:
cli = cli.split()
ph = subprocess.Popen(cli, stdout=subprocess.PIPE, stderr=subprocess.PIPE, stdin= subprocess.PIPE)
else:
ph = subprocess.Popen(cli, shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE, stdin= subprocess.PIPE)
out,err = ph.communicate()
if config.get('debug_statements'):
debug_info = "Output {}\nError {}\n\n".format(out,err)
if config.get("result_regex"):
reopt = "|".join(itertools.compress(['re.MULTILINE','re.DOTALL','re.IGNORECASE'],
[config.get("regex_multiline"),config.get("regex_dotall"),config.get("regex_ignorecase")]))
if reopt:
reopt = ", {}".format(reopt)
debug_info += "re.findall('{}','{}'{}')".format(config.get('result_regex'),(out+err).decode(),reopt)
print(debug_info)
result = out
if config['combine_stderr_stdout']:
result += err
theregex = config.get('result_regex',"")
if theregex:
regex_options = 0
if config.get("regex_multiline"):
regex_options |= re.MULTILINE
if config.get("regex_dotall"):
regex_options |= re.DOTALL
if config.get("regex_ignorecase"):
regex_options |= re.IGNORECASE
if config.get('regex_findall'):
result = json.dumps( re.findall(theregex, result.decode(), regex_options)).encode()
else:
result = re.search(theregex, result.decode(), regex_options)
if result:
result = json.dumps(result.groupdict()).encode()
else:
result = b"ERROR: No result from regex match.-ERRORNOTCACHED"
except Exception as e:
return "ERROR: {}-ERRORNOTCACHED".format(str(e)).encode()
return result
class apiify(http.server.BaseHTTPRequestHandler):
def do_GET(self):
self.send_response(200)
self.send_header('Content-type','text/plain')
self.end_headers()
(ignore, ignore, urlpath, urlparams, ignore) = urllib.parse.urlsplit(self.path)
urlpath = urllib.parse.unquote_plus(urlpath)
if urlpath=="/cache":
self.wfile.write(exec_command.cache.cache_report().encode())
elif urlpath=="/stats":
self.wfile.write(exec_command.cache.cache_info().encode())
elif urlpath.startswith(r"/delete/"):
entry = urlpath.split("/")[-1]
try:
del exec_command.cache[(entry,)]
except KeyError:
self.wfile.write(b"Entry not found in cache.")
else:
self.wfile.write(f"Deleted entry {entry}".encode())
elif urlpath=="/save":
exec_command.cache.cache_dump(config['cache_file'])
self.wfile.write(b"The cache has been committed to disk.")
elif re.search("[\/?](.*)", urlpath):
part = re.search("[\/?](.*)",urlpath)
args = part.group(1)
result = exec_command(args)
self.wfile.write(result)
else:
api_hlp = 'API Documentation\nhttp://%s:%s/arguments to pass.' % (self.server.server_address[0], self.server.server_address[1])
self.wfile.write(api_hlp.encode())
return
def log_message(self, format, *args):
return
class ThreadedApiIfy(socketserver.ThreadingMixIn, http.server.HTTPServer):
def __init__(self, *args,**kwargs):
self.args = ""
self.screen_lock = threading.Lock()
self.exitthread = threading.Event()
self.exitthread.clear()
http.server.HTTPServer.__init__(self, *args, **kwargs)
if __name__ == "__main__":
if pathlib.Path(config['cache_file']).exists() and input("Load Cache?").lower().startswith("y"):
exec_command.cache.cache_load(config['cache_file'])
server = ThreadedApiIfy((config['local_address'], config['local_port']), apiify)
print("Resolving command {}".format(config.get("base_command")))
print('Server is Ready. http://%s:%s/arguments' % (config['local_address'], config['local_port']))
server_thread = threading.Thread(target=server.serve_forever)
server_thread.daemon = True
try:
server_thread.start()
#code.interact(local=locals())
while True: time.sleep(100)
except (KeyboardInterrupt, SystemExit):
server.shutdown()
server.server_close()
print("Web API Disabled...")
print("Control-C hit: Exiting server. Please wait..")
exec_command.cache.cache_dump(config['cache_file'])
print("Bye!")