umstellung auf requests

modul mastodon gegen requests getauscht, import exceptions eingefuegt,
InitException wieder entfernt

source/server/apistatusd.py

@@ -2,81 +2,25 @@
 
 # file: apistatusd.py
 # date: 26.07.2019
-# email: berhsi@web.de
+# mail: berhsi@web.de
 
 # Status server, listening for door status updates. The IPv4 address and port
 # to listen on are configurable, by default localhost:10001 is used. The
 # connection is secured by TLS and client side authentication.
 
+try:
     import json
     import logging
     import os
     import socket
     import ssl
     import sys
+    import requests
     import threading
-from mastodon import Mastodon
     from time import time, localtime, strftime, sleep
     import configparser
-
+except ImportException as e:
-
+    print('Import error: {}'.format(e))
-class InitException(Exception):
-    '''
-    If the initialisation from the mastodon instance failes then we raise
-    this exception.
-    '''
-    def __init__(self, error):
-        self.error = error
-
-class Toot(threading.Thread):
-    '''
-    The thread to toot the status to mastodon.
-    '''
-    def __init__(self, status, timestamp, config):
-        '''
-        param1: boolean
-        param2: integer
-        param3: dictionary
-        '''
-        threading.Thread.__init__(self)
-        self.status = status
-        self.config = config
-        self.timestamp = timestamp
-        try:
-            self.mastodon = Mastodon(
-                api_base_url = self.config['mastodon']['host'],
-                access_token = self.config['mastodon']['token'])
-        except Exception as e:
-            logging.error('Exception occurred: {}'.format(e))
-            raise InitException('Mastodon instance initialisation failed')
-
-    def run(self):
-        '''
-        return: boolean
-        '''
-        msg = None
-        timeformat = '%d.%m.%Y %H:%M Uhr'
-        if self.status not in (True, False):
-            logging.error('Invalid status to toot')
-            return False
-        try:
-            timestring = strftime(timeformat, localtime(self.timestamp))
-        except Exception as e:
-            logging.error('Can not convert timestamp into timestring')
-            return False
-        logging.debug('Try to toot status to {}'.format(self.config['mastodon']['host']))
-        if self.status == True:
-            msg = 'The krautspace is open since: {}'.format(timestring)
-        elif self.status == False:
-            msg = 'The krautspace is closed since: {}'.format(timestring)
-        logging.debug('Send message: {}'.format(msg))
-        try:
-            mastodon.toot(mag)
-            return True
-        except Exception as e:
-            logging.error('Failed to toot status')
-            return False
-        return False
 
 
 def certs_readable(config):
@@ -93,7 +37,6 @@ def certs_readable(config):
             return False
     return True
 
-
 def print_config(config):
     '''
     Logs the config with level debug.
@@ -102,6 +45,9 @@ def print_config(config):
     for section in config.sections():
         logging.debug('Section {}'.format(section))
         for i in config[section]:
+            if i == 'token':
+                logging.debug('  {}: {}'.format(i, 'aaaaa-bbbbb-ccccc-ddddd-eeeee'))
+            else:
                 logging.debug('  {}: {}'.format(i, config[section][i]))
 
 def print_ciphers(cipherlist):
@@ -162,7 +108,6 @@ def receive_buffer_is_valid(raw_data):
     logging.debug('Argument is not valid: {}'.format(raw_data))
     return False
 
-
 def change_status(status, timestamp, filename):
     '''
     Write the new status together with a timestamp into the Space API JSON.
@@ -170,7 +115,6 @@ def change_status(status, timestamp, filename):
     param 2: string
     return: boolean
     '''
-
     logging.debug('Change status API')
     # todo: use walrus operator := when migrating to python >= 3.8
     data = read_api(filename)
@@ -196,7 +140,6 @@ def change_status(status, timestamp, filename):
     logging.info('API file successfull changed to {}'.format(status))
     return True
 
-
 def read_api(api):
     '''
     Reads the Space API JSON into a dict. Returns the dict on success and
@@ -206,7 +149,6 @@ def read_api(api):
     return: dict or boolean
     '''
     logging.debug('Open API file: {}'.format(api))
-
     # return early if the API JSON cannot be read
     if not os.access(api, os.R_OK):
         logging.error('Failed to read API file')
@@ -223,7 +165,6 @@ def read_api(api):
             return False
     return api_json_data
 
-
 def get_status_and_time(raw_data):
     '''
     Create a timestamp, changes the value of the given byte into a string
@@ -238,6 +179,83 @@ def get_status_and_time(raw_data):
                     str(timestamp), str(status)))
     return (status, timestamp)
 
+def join_path(host, api):
+    '''
+    Becomes two parts (host and api) of the mastodon url and concanate them
+    param1: string
+    param2: string
+    return: string
+    '''
+    url = ''
+    try:
+        if host[-1] == '/' and api[0] == '/':
+            url = ''.join((host, api[1:]))
+        elif host[-1] != '/' and api[0] != '/':
+            url = '/'.join((host, api))
+        else:
+            url = ''.join((host, api))
+    except TypeError as e:
+        logging.error('Can´t join path: {}'.format(e))
+    return url
+
+class Toot(threading.Thread):
+    '''
+    The thread to toot the status to mastodon.
+    '''
+    def __init__(self, status, timestamp, config):
+        '''
+        param1: boolean
+        param2: integer
+        param3: dictionary
+        '''
+        threading.Thread.__init__(self)
+        self.status = status
+        self.config = config
+        self.timestamp = timestamp
+        self.api = '/api/v1/statuses'
+        self.auth = {'Authorization': ''}
+        self.data = {'status': ''}
+        self.url = ''
+
+    def run(self):
+        '''
+        return: boolean
+        '''
+        timeformat = '%d.%m.%Y %H:%M Uhr'
+        # check if status is valid
+        if self.status not in (True, False):
+            logging.error('Invalid status to toot')
+            return False
+        # convert seconds into timestring
+        try:
+            timestring = strftime(timeformat, localtime(self.timestamp))
+        except Exception as e:
+            logging.error('Can not convert timestamp into timestring')
+            return False
+        # set status message
+        if self.status == True:
+            self.data['status'] = 'Krautspace is open since: {}'.format(timestring)
+        elif self.status == False:
+            self.data['status'] = 'Krautspace is closed since: {}'.format(timestring)
+        logging.debug('Message: {}'.format(self.data['status']))
+        # build mastodon api url
+        self.url = join_path(self.config['mastodon']['host'], self.api)
+        # build authentcation header
+        self.auth['Authorization'] = 'Bearer {}'.format(
+            self.config['mastodon']['token'])
+        # and finaly send request to mastodon
+        try:
+            logging.debug('Try to toot status')
+            response = requests.post(self.url, data = self.data,
+                headers = self.auth)
+            if response.status_code == 200:
+                logging.info('Toot successful send')
+                return True
+            else:
+                logging.error('Failed to toot. Response: {}'.format(response.status_code))
+        except Exception as e:
+            logging.error('Exception occurred: {}'.format(e))
+        return False
 
 def main():
     '''
@@ -248,7 +266,6 @@ def main():
     OP_DONT_ISERT_EMPTY_FRAGMENTS: prevention agains CBC 4 attack
     (cve-2011-3389)
     '''
-
     answer = '3'.encode(encoding='utf-8', errors='strict')
     loglevel = logging.WARNING
     formatstring = '%(asctime)s: %(levelname)s: %(message)s'