402 lines
		
	
	
		
			18 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			402 lines
		
	
	
		
			18 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| from flask import Flask
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| from flask_restful import Resource, Api
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| from flask import jsonify
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| from flask import Response
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| from flask import request
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| from threading import Thread
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| from OpenSSL import crypto
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| import docker
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| import uuid
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| import signal
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| import time
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| import os
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| import re
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| import sys
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| import ssl
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| import socket
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| 
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| docker_client = docker.DockerClient(base_url='unix://var/run/docker.sock', version='auto')
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| app = Flask(__name__)
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| api = Api(app)
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| 
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| class containers_get(Resource):
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|   def get(self):
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|     containers = {}
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|     try:
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|       for container in docker_client.containers.list(all=True):
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|         containers.update({container.attrs['Id']: container.attrs})
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|       return containers
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|     except Exception as e:
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|       return jsonify(type='danger', msg=str(e))
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| 
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| class container_get(Resource):
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|   def get(self, container_id):
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|     if container_id and container_id.isalnum():
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|       try:
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|         for container in docker_client.containers.list(all=True, filters={"id": container_id}):
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|           return container.attrs
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|       except Exception as e:
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|           return jsonify(type='danger', msg=str(e))
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|     else:
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|       return jsonify(type='danger', msg='no or invalid id defined')
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| 
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| class container_post(Resource):
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|   def post(self, container_id, post_action):
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|     if container_id and container_id.isalnum() and post_action:
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|       if post_action == 'stop':
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|         try:
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|           for container in docker_client.containers.list(all=True, filters={"id": container_id}):
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|             container.stop()
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|           return jsonify(type='success', msg='command completed successfully')
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|         except Exception as e:
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|           return jsonify(type='danger', msg=str(e))
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| 
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|       elif post_action == 'start':
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|         try:
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|           for container in docker_client.containers.list(all=True, filters={"id": container_id}):
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|             container.start()
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|           return jsonify(type='success', msg='command completed successfully')
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|         except Exception as e:
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|           return jsonify(type='danger', msg=str(e))
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| 
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|       elif post_action == 'restart':
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|         try:
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|           for container in docker_client.containers.list(all=True, filters={"id": container_id}):
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|             container.restart()
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|           return jsonify(type='success', msg='command completed successfully')
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|         except Exception as e:
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|           return jsonify(type='danger', msg=str(e))
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| 
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|       elif post_action == 'top':
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|         try:
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|           for container in docker_client.containers.list(all=True, filters={"id": container_id}):
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|             return jsonify(type='success', msg=container.top())
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|         except Exception as e:
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|           return jsonify(type='danger', msg=str(e))
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| 
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|       elif post_action == 'stats':
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|         try:
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|           for container in docker_client.containers.list(all=True, filters={"id": container_id}):
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|             return jsonify(type='success', msg=container.stats(decode=True, stream=False))
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|         except Exception as e:
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|           return jsonify(type='danger', msg=str(e))
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| 
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|       elif post_action == 'exec':
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| 
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|         if not request.json or not 'cmd' in request.json:
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|           return jsonify(type='danger', msg='cmd is missing')
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| 
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|         if request.json['cmd'] == 'mailq':
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|           if 'items' in request.json:
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|             r = re.compile("^[0-9a-fA-F]+$")
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|             filtered_qids = filter(r.match, request.json['items'])
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|             if filtered_qids:
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|               if request.json['task'] == 'delete':
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|                 flagged_qids = ['-d %s' % i for i in filtered_qids]
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|                 sanitized_string = str(' '.join(flagged_qids));
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|                 try:
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|                   for container in docker_client.containers.list(filters={"id": container_id}):
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|                     postsuper_r = container.exec_run(["/bin/bash", "-c", "/usr/sbin/postsuper " + sanitized_string])
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|                     return exec_run_handler('generic', postsuper_r)
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|                 except Exception as e:
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|                   return jsonify(type='danger', msg=str(e))
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|               if request.json['task'] == 'hold':
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|                 flagged_qids = ['-h %s' % i for i in filtered_qids]
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|                 sanitized_string = str(' '.join(flagged_qids));
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|                 try:
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|                   for container in docker_client.containers.list(filters={"id": container_id}):
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|                     postsuper_r = container.exec_run(["/bin/bash", "-c", "/usr/sbin/postsuper " + sanitized_string])
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|                     return exec_run_handler('generic', postsuper_r)
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|                 except Exception as e:
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|                   return jsonify(type='danger', msg=str(e))
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|               if request.json['task'] == 'unhold':
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|                 flagged_qids = ['-H %s' % i for i in filtered_qids]
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|                 sanitized_string = str(' '.join(flagged_qids));
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|                 try:
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|                   for container in docker_client.containers.list(filters={"id": container_id}):
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|                     postsuper_r = container.exec_run(["/bin/bash", "-c", "/usr/sbin/postsuper " + sanitized_string])
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|                     return exec_run_handler('generic', postsuper_r)
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|                 except Exception as e:
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|                   return jsonify(type='danger', msg=str(e))
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|               if request.json['task'] == 'deliver':
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|                 flagged_qids = ['-i %s' % i for i in filtered_qids]
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|                 try:
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|                   for container in docker_client.containers.list(filters={"id": container_id}):
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|                     for i in flagged_qids:
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|                       postqueue_r = container.exec_run(["/bin/bash", "-c", "/usr/sbin/postqueue " + i], user='postfix')
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|                       # todo: check each exit code
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|                     return jsonify(type='success', msg=str("Scheduled immediate delivery"))
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|                 except Exception as e:
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|                   return jsonify(type='danger', msg=str(e))
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|           elif request.json['task'] == 'list':
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|             try:
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|               for container in docker_client.containers.list(filters={"id": container_id}):
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|                 mailq_return = container.exec_run(["/usr/sbin/postqueue", "-j"], user='postfix')
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|                 return exec_run_handler('utf8_text_only', mailq_return)
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|             except Exception as e:
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|               return jsonify(type='danger', msg=str(e))
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|           elif request.json['task'] == 'flush':
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|             try:
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|               for container in docker_client.containers.list(filters={"id": container_id}):
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|                 postqueue_r = container.exec_run(["/usr/sbin/postqueue", "-f"], user='postfix')
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|                 return exec_run_handler('generic', postqueue_r)
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|             except Exception as e:
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|               return jsonify(type='danger', msg=str(e))
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|           elif request.json['task'] == 'super_delete':
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|             try:
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|               for container in docker_client.containers.list(filters={"id": container_id}):
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|                 postsuper_r = container.exec_run(["/usr/sbin/postsuper", "-d", "ALL"])
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|                 return exec_run_handler('generic', postsuper_r)
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|             except Exception as e:
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|               return jsonify(type='danger', msg=str(e))
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| 
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|         elif request.json['cmd'] == 'system':
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|           if request.json['task'] == 'fts_rescan':
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|             if 'username' in request.json:
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|               try:
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|                 for container in docker_client.containers.list(filters={"id": container_id}):
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|                   rescan_return = container.exec_run(["/bin/bash", "-c", "/usr/local/bin/doveadm fts rescan -u '" + request.json['username'].replace("'", "'\\''") + "'"], user='vmail')
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|                   if rescan_return.exit_code == 0:
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|                     return jsonify(type='success', msg='fts_rescan: rescan triggered')
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|                   else:
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|                     return jsonify(type='warning', msg='fts_rescan error')
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|               except Exception as e:
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|                 return jsonify(type='danger', msg=str(e))
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|             if 'all' in request.json:
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|               try:
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|                 for container in docker_client.containers.list(filters={"id": container_id}):
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|                   rescan_return = container.exec_run(["/bin/bash", "-c", "/usr/local/bin/doveadm fts rescan -A"], user='vmail')
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|                   if rescan_return.exit_code == 0:
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|                     return jsonify(type='success', msg='fts_rescan: rescan triggered')
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|                   else:
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|                     return jsonify(type='warning', msg='fts_rescan error')
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|               except Exception as e:
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|                 return jsonify(type='danger', msg=str(e))
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|           elif request.json['task'] == 'df':
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|             if 'dir' in request.json:
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|               try:
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|                 for container in docker_client.containers.list(filters={"id": container_id}):
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|                   df_return = container.exec_run(["/bin/bash", "-c", "/bin/df -H '" + request.json['dir'].replace("'", "'\\''") + "' | /usr/bin/tail -n1 | /usr/bin/tr -s [:blank:] | /usr/bin/tr ' ' ','"], user='nobody')
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|                   if df_return.exit_code == 0:
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|                     return df_return.output.rstrip()
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|                   else:
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|                     return "0,0,0,0,0,0"
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|               except Exception as e:
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|                 return jsonify(type='danger', msg=str(e))
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|           elif request.json['task'] == 'mysql_upgrade':
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|             try:
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|               for container in docker_client.containers.list(filters={"id": container_id}):
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|                 sql_shell = container.exec_run(["/bin/bash"], stdin=True, socket=True, user='mysql')
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|                 upgrade_cmd = "/usr/bin/mysql_upgrade -uroot -p'" + os.environ['DBROOT'].replace("'", "'\\''") + "'\n"
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|                 sql_socket = sql_shell.output;
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|                 try :
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|                   sql_socket.sendall(upgrade_cmd.encode('utf-8'))
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|                   sql_socket.shutdown(socket.SHUT_WR)
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|                 except socket.error:
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|                   return jsonify(type='danger', msg=str('socket error'))
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|                 worker_response = recv_socket_data(sql_socket)
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|                 matched = False
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|                 for line in worker_response.split("\n"):
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|                   if 'is already upgraded to' in line:
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|                     matched = True
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|                 if matched:
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|                   return jsonify(type='success', msg='mysql_upgrade: already upgraded')
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|                 else:
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|                   container.restart()
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|                   return jsonify(type='warning', msg='mysql_upgrade: upgrade was applied')
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|             except Exception as e:
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|               return jsonify(type='danger', msg=str(e))
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| 
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|         elif request.json['cmd'] == 'reload':
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|           if request.json['task'] == 'dovecot':
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|             try:
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|               for container in docker_client.containers.list(filters={"id": container_id}):
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|                 reload_return = container.exec_run(["/bin/bash", "-c", "/usr/local/sbin/dovecot reload"])
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|                 return exec_run_handler('generic', reload_return)
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|             except Exception as e:
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|               return jsonify(type='danger', msg=str(e))
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|           if request.json['task'] == 'postfix':
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|             try:
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|               for container in docker_client.containers.list(filters={"id": container_id}):
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|                 reload_return = container.exec_run(["/bin/bash", "-c", "/usr/sbin/postfix reload"])
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|                 return exec_run_handler('generic', reload_return)
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|             except Exception as e:
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|               return jsonify(type='danger', msg=str(e))
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|           if request.json['task'] == 'nginx':
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|             try:
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|               for container in docker_client.containers.list(filters={"id": container_id}):
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|                 reload_return = container.exec_run(["/bin/sh", "-c", "/usr/sbin/nginx -s reload"])
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|                 return exec_run_handler('generic', reload_return)
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|             except Exception as e:
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|               return jsonify(type='danger', msg=str(e))
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| 
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|         elif request.json['cmd'] == 'sieve':
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|           if request.json['task'] == 'list':
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|             if 'username' in request.json:
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|               try:
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|                 for container in docker_client.containers.list(filters={"id": container_id}):
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|                   sieve_return = container.exec_run(["/bin/bash", "-c", "/usr/local/bin/doveadm sieve list -u '" + request.json['username'].replace("'", "'\\''") + "'"])
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|                   return exec_run_handler('utf8_text_only', sieve_return)
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|               except Exception as e:
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|                 return jsonify(type='danger', msg=str(e))
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|           elif request.json['task'] == 'print':
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|             if 'username' in request.json and 'script_name' in request.json:
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|               try:
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|                 for container in docker_client.containers.list(filters={"id": container_id}):
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|                   sieve_return = container.exec_run(["/bin/bash", "-c", "/usr/local/bin/doveadm sieve get -u '" + request.json['username'].replace("'", "'\\''") + "' '" + request.json['script_name'].replace("'", "'\\''") + "'"])
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|                   return exec_run_handler('utf8_text_only', sieve_return)
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|               except Exception as e:
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|                 return jsonify(type='danger', msg=str(e))
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| 
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|         elif request.json['cmd'] == 'maildir':
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|           if request.json['task'] == 'cleanup':
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|             if 'maildir' in request.json:
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|               try:
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|                 for container in docker_client.containers.list(filters={"id": container_id}):
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|                   sane_name = re.sub(r'\W+', '', request.json['maildir'])
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|                   maildir_cleanup = container.exec_run(["/bin/bash", "-c", "if [[ -d '/var/vmail/" + request.json['maildir'].replace("'", "'\\''") + "' ]]; then /bin/mv '/var/vmail/" + request.json['maildir'].replace("'", "'\\''") + "' '/var/vmail/_garbage/" + str(int(time.time())) + "_" + sane_name + "'; fi"], user='vmail')
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|                   return exec_run_handler('generic', maildir_cleanup)
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|               except Exception as e:
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|                 return jsonify(type='danger', msg=str(e))
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| 
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|         elif request.json['cmd'] == 'rspamd':
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|           if request.json['task'] == 'worker_password':
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|             if 'raw' in request.json:
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|               try:
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|                 for container in docker_client.containers.list(filters={"id": container_id}):
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|                   worker_shell = container.exec_run(["/bin/bash"], stdin=True, socket=True, user='_rspamd')
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|                   worker_cmd = "/usr/bin/rspamadm pw -e -p '" + request.json['raw'].replace("'", "'\\''") + "' 2> /dev/null\n"
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|                   worker_socket = worker_shell.output;
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|                   try :
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|                     worker_socket.sendall(worker_cmd.encode('utf-8'))
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|                     worker_socket.shutdown(socket.SHUT_WR)
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|                   except socket.error:
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|                     return jsonify(type='danger', msg=str('socket error'))
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|                   worker_response = recv_socket_data(worker_socket)
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|                   matched = False
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|                   for line in worker_response.split("\n"):
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|                     if '$2$' in line:
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|                       matched = True
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|                       hash = line.strip()
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|                       hash_out = re.search('\$2\$.+$', hash).group(0)
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|                       f = open("/access.inc", "w")
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|                       f.write('enable_password = "' + re.sub('[^0-9a-zA-Z\$]+', '', hash_out.rstrip()) + '";\n')
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|                       f.close()
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|                       container.restart()
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|                   if matched:
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|                     return jsonify(type='success', msg='command completed successfully')
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|                   else:
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|                     return jsonify(type='danger', msg='command did not complete')
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|               except Exception as e:
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|                 return jsonify(type='danger', msg=str(e))
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| 
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|         else:
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|           return jsonify(type='danger', msg='Unknown command')
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| 
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|       else:
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|         return jsonify(type='danger', msg='invalid action')
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| 
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|     else:
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|       return jsonify(type='danger', msg='invalid container id or missing action')
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| 
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| class GracefulKiller:
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|   kill_now = False
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|   def __init__(self):
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|     signal.signal(signal.SIGINT, self.exit_gracefully)
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|     signal.signal(signal.SIGTERM, self.exit_gracefully)
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| 
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|   def exit_gracefully(self, signum, frame):
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|     self.kill_now = True
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| 
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| def startFlaskAPI():
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|   create_self_signed_cert()
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|   try:
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|     ctx = ssl.create_default_context(ssl.Purpose.CLIENT_AUTH)
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|     ctx.check_hostname = False
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|     ctx.load_cert_chain(certfile='/cert.pem', keyfile='/key.pem')
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|   except:
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|     print "Cannot initialize TLS, retrying in 5s..."
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|     time.sleep(5)
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|   app.run(debug=False, host='0.0.0.0', port=443, threaded=True, ssl_context=ctx)
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| 
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| def recv_socket_data(c_socket, timeout=10):
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|   c_socket.setblocking(0)
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|   total_data=[];
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|   data='';
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|   begin=time.time()
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|   while True:
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|     if total_data and time.time()-begin > timeout:
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|       break
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|     elif time.time()-begin > timeout*2:
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|       break
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|     try:
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|       data = c_socket.recv(8192)
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|       if data:
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|         total_data.append(data)
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|         #change the beginning time for measurement
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|         begin=time.time()
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|       else:
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|         #sleep for sometime to indicate a gap
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|         time.sleep(0.1)
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|         break
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|     except:
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|       pass
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|   return ''.join(total_data)
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| 
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| def exec_run_handler(type, output):
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|   if type == 'generic':
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|     if output.exit_code == 0:
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|       return jsonify(type='success', msg='command completed successfully')
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|     else:
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|       return jsonify(type='danger', msg='command failed: ' + output.output)
 | |
|   if type == 'utf8_text_only':
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|     r = Response(response=output.output, status=200, mimetype="text/plain")
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|     r.headers["Content-Type"] = "text/plain; charset=utf-8"
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|     return r
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| 
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| def create_self_signed_cert():
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|   success = False
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|   while not success:
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|     try:
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|       pkey = crypto.PKey()
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|       pkey.generate_key(crypto.TYPE_RSA, 2048)
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|       cert = crypto.X509()
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|       cert.get_subject().O = "mailcow"
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|       cert.get_subject().CN = "dockerapi"
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|       cert.set_serial_number(int(uuid.uuid4()))
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|       cert.gmtime_adj_notBefore(0)
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|       cert.gmtime_adj_notAfter(10*365*24*60*60)
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|       cert.set_issuer(cert.get_subject())
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|       cert.set_pubkey(pkey)
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|       cert.sign(pkey, 'sha512')
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|       cert = crypto.dump_certificate(crypto.FILETYPE_PEM, cert)
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|       pkey = crypto.dump_privatekey(crypto.FILETYPE_PEM, pkey)
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|       with os.fdopen(os.open('/cert.pem', os.O_WRONLY | os.O_CREAT, 0o644), 'w') as handle:
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|         handle.write(cert)
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|       with os.fdopen(os.open('/key.pem', os.O_WRONLY | os.O_CREAT, 0o600), 'w') as handle:
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|         handle.write(pkey)
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|       success = True
 | |
|     except:
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|       time.sleep(1)
 | |
|       try:
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|         os.remove('/cert.pem')
 | |
|         os.remove('/key.pem')
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|       except OSError:
 | |
|         pass
 | |
| 
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| api.add_resource(containers_get, '/containers/json')
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| api.add_resource(container_get, '/containers/<string:container_id>/json')
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| api.add_resource(container_post, '/containers/<string:container_id>/<string:post_action>')
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| 
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| if __name__ == '__main__':
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|   api_thread = Thread(target=startFlaskAPI)
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|   api_thread.daemon = True
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|   api_thread.start()
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|   killer = GracefulKiller()
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|   while True:
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|     time.sleep(1)
 | |
|     if killer.kill_now:
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|       break
 | |
|   print "Stopping dockerapi-mailcow"
 | |
| 
 | 
