import psycopg2
import re
import datetime
+import argparse
+
+parser = argparse.ArgumentParser(description='Process DMARC records.')
+parser.add_argument('-c', '--config', action='store',
+ default='', dest='config_file',
+ help='Path to config file')
+parser.add_argument('-t', '--test', action='store_true',
+ default=False,
+ help='Test, but do not add records to the database')
+args = parser.parse_args()
def fetch_msg(num):
return mailbox.uid('FETCH', num, '(RFC822)')[1][0][1]
def xml_of_part(part):
- with zipfile.ZipFile(io.BytesIO(part.get_payload(decode=True))) as zf:
+ try:
+ with zipfile.ZipFile(io.BytesIO(part.get_payload(decode=True))) as zf:
fn = zf.infolist()[0].filename
contents = zf.read(fn).decode('utf-8')
return xml.etree.ElementTree.fromstring(contents)
+ except zipfile.BadZipFile:
+ return None
def xml_of(message):
'pg_type': 'inet'},
'./report_metadata/date_range/begin': {'pg_field_name': 'report_metadata_date_range_begin',
'pg_table': 'reports',
- 'pg_type': 'timestamp'},
+ 'pg_type': 'timestamptz'},
'./report_metadata/date_range/end': {'pg_field_name': 'report_metadata_date_range_end',
'pg_table': 'reports',
- 'pg_type': 'timestamp'},
+ 'pg_type': 'timestamptz'},
'./report_metadata/email': {'pg_field_name': 'report_metadata_email',
'pg_table': 'reports',
'pg_type': 'varchar'},
field_names += [field_maps[f]['pg_field_name']]
if field_maps[f]['pg_type'] == 'int':
values[field_maps[f]['pg_field_name']] = int(report.find(fp).text)
- elif field_maps[f]['pg_type'] == 'timestamp':
+ elif field_maps[f]['pg_type'] == 'timestamptz':
# values[field_maps[f]['pg_field_name']] = datetime.datetime.utcfromtimestamp(int(report.find(fp).text))
values[field_maps[f]['pg_field_name']] = \
datetime.datetime.fromtimestamp(int(report.find(fp).text),
connection.commit()
config = configparser.ConfigParser()
-config.read('dmarc.ini')
+if args.config_file:
+ config.read(args.config_file)
+else:
+ config.read(['/etc/dmarc_to_database.ini', './dmarc_to_database.ini'])
+
+if not config.sections():
+ raise RuntimeError('Could not find configuration file')
conn = psycopg2.connect(host=config['database']['server'],
database=config['database']['database'],
dmarc_reports = [report for report_set in [extract_report(fetch_msg(n)) for n in nums[0].split()]
- for report in report_set]
+ for report in report_set
+ if report]
mailbox.close()
mailbox.logout()
results = cur.fetchall()
if not results:
print('write', report.find('./report_metadata/report_id').text)
- write_report(conn, cur, report)
+ if not args.test:
+ write_report(conn, cur, report)
conn.close()