2fd237568b03a466ac5ed2f16d56215344d8ce23
6 import xml
.etree
.ElementTree
12 return mailbox
.uid('FETCH', num
, '(RFC822)')[1][0][1]
14 def xml_of_part(part
):
15 with zipfile
.ZipFile(io
.BytesIO(part
.get_payload(decode
=True))) as zf
:
16 fn
= zf
.infolist()[0].filename
17 contents
= zf
.read(fn
).decode('utf-8')
18 return xml
.etree
.ElementTree
.fromstring(contents
)
23 if message
.is_multipart():
24 for p
in message
.get_payload():
25 if 'zip' in p
.get_content_type():
26 reports
+= [xml_of_part(p
)]
28 reports
= [xml_of_part(message
)]
31 def extract_report(msg
):
32 pmsg
= email
.message_from_bytes(msg
)
35 def maybe_strip(text
):
41 field_maps
= {'./policy_published/adkim': {'pg_field_name': 'policy_published_adkim',
42 'pg_table': 'reports',
43 'pg_type': 'varchar'},
44 './policy_published/aspf': {'pg_field_name': 'policy_published_aspf',
45 'pg_table': 'reports',
46 'pg_type': 'varchar'},
47 './policy_published/domain': {'pg_field_name': 'policy_published_domain',
48 'pg_table': 'reports',
49 'pg_type': 'varchar'},
50 './policy_published/p': {'pg_field_name': 'policy_published_p',
51 'pg_table': 'reports',
52 'pg_type': 'varchar'},
53 './policy_published/pct': {'pg_field_name': 'policy_published_pct',
54 'pg_table': 'reports',
56 './record[{}]/auth_results/dkim/domain': {'pg_field_name': 'auth_results_dkim_domain',
57 'pg_table': 'report_items',
58 'pg_type': 'varchar'},
59 './record[{}]/auth_results/dkim/result': {'pg_field_name': 'auth_results_dkim_result',
60 'pg_table': 'report_items',
61 'pg_type': 'varchar'},
62 './record[{}]/auth_results/spf/domain': {'pg_field_name': 'auth_results_spf_domain',
63 'pg_table': 'report_items',
64 'pg_type': 'varchar'},
65 './record[{}]/auth_results/spf/result': {'pg_field_name': 'auth_results_spf_result',
66 'pg_table': 'report_items',
67 'pg_type': 'varchar'},
68 './record[{}]/identifiers/header_from': {'pg_field_name': 'identifiers_header_from',
69 'pg_table': 'report_items',
70 'pg_type': 'varchar'},
71 './record[{}]/row/count': {'pg_field_name': 'count',
72 'pg_table': 'report_items',
74 './record[{}]/row/policy_evaluated/disposition': {'pg_field_name': 'policy_evaluated_disposition',
75 'pg_table': 'report_items',
76 'pg_type': 'varchar'},
77 './record[{}]/row/policy_evaluated/dkim': {'pg_field_name': 'policy_evaluated_dkim',
78 'pg_table': 'report_items',
79 'pg_type': 'varchar'},
80 './record[{}]/row/policy_evaluated/spf': {'pg_field_name': 'policy_evaluated_spf',
81 'pg_table': 'report_items',
82 'pg_type': 'varchar'},
83 './record[{}]/row/source_ip': {'pg_field_name': 'source_ip',
84 'pg_table': 'report_items',
86 './report_metadata/date_range/begin': {'pg_field_name': 'report_metadata_date_range_begin',
87 'pg_table': 'reports',
88 'pg_type': 'timestamp'},
89 './report_metadata/date_range/end': {'pg_field_name': 'report_metadata_date_range_end',
90 'pg_table': 'reports',
91 'pg_type': 'timestamp'},
92 './report_metadata/email': {'pg_field_name': 'report_metadata_email',
93 'pg_table': 'reports',
94 'pg_type': 'varchar'},
95 './report_metadata/org_name': {'pg_field_name': 'report_metadata_org_name',
96 'pg_table': 'reports',
97 'pg_type': 'varchar'},
98 './report_metadata/report_id': {'pg_field_name': 'report_metadata_report_id',
99 'pg_table': 'reports',
100 'pg_type': 'varchar'}}
104 def build_insert_command(table_name
, report
, preamble_values
=None, i
=None):
107 values
= preamble_values
.copy()
110 for f
in [f
for f
in field_maps
if field_maps
[f
]['pg_table'] == table_name
]:
115 field_names
+= [field_maps
[f
]['pg_field_name']]
116 if field_maps
[f
]['pg_type'] == 'int':
117 values
[field_maps
[f
]['pg_field_name']] = int(report
.find(fp
).text
)
118 elif field_maps
[f
]['pg_type'] == 'timestamp':
119 values
[field_maps
[f
]['pg_field_name']] = datetime
.datetime
.utcfromtimestamp(int(report
.find(fp
).text
))
120 elif field_maps
[f
]['pg_type'] == 'inet':
121 values
[field_maps
[f
]['pg_field_name']] = maybe_strip(report
.find(fp
).text
)
123 values
[field_maps
[f
]['pg_field_name']] = maybe_strip(report
.find(fp
).text
)
124 insert_string
= 'insert into {} ('.format(table_name
)
126 insert_string
+= ', '.join(sorted(preamble_values
.keys())) + ', '
127 insert_string
+= ', '.join(field_names
) + ') '
128 insert_string
+= 'values ('
130 insert_string
+= ', '.join('%({})s'.format(fn
) for fn
in sorted(preamble_values
.keys())) + ', '
131 insert_string
+= ', '.join('%({})s'.format(f
) for f
in field_names
) + ');'
132 return insert_string
, values
135 def write_report(connection
, cursor
, report
):
136 insert_string
, values
= build_insert_command('reports', report
)
137 # print(insert_string, values)
138 cursor
.execute(insert_string
, values
)
140 for i
in range(1, len(report
.findall('./record'))+1):
142 cursor
.execute('select id, report_metadata_report_id from reports where report_metadata_report_id = %s;',
143 [report
.find('./report_metadata/report_id').text
])
144 results
= cursor
.fetchall()
145 if len(results
) != 1:
146 raise RuntimeError('Could not find report record for report item')
148 report_id
= results
[0][0]
149 insert_string
, values
= build_insert_command('report_items', report
, i
=i
,
150 preamble_values
={'report_id': report_id
})
151 # print(insert_string, values)
152 cursor
.execute(insert_string
, values
)
155 config
= configparser
.ConfigParser()
156 config
.read('dmarc.ini')
158 with psycopg2
.connect(host
=config
['database']['server'],
159 database
=config
['database']['database'],
160 user
=config
['database']['username'],
161 password
=config
['database']['password']) as conn
:
162 with conn
.cursor() as cur
:
163 cur
.execute('select max(report_metadata_date_range_end) from reports')
164 results
= cur
.fetchall()
165 most_recent_date
= results
[0][0]
167 mailbox
= imaplib
.IMAP4(host
=config
['imap']['server'],
168 port
=config
['imap']['port'])
170 mailbox
.login(config
['imap']['username'], config
['imap']['password'])
171 mailbox
.select('INBOX', readonly
=True)
175 mails_from
= "SINCE " + (most_recent_date
- datetime
.timedelta(days
=2)).strftime("%d-%b-%Y")
178 resp
, nums
= mailbox
.uid('SEARCH', None, mails_from
)
181 dmarc_reports
= [report
for report_set
in [extract_report(fetch_msg(n
)) for n
in nums
[0].split()]
182 for report
in report_set
]
188 with psycopg2
.connect(host
=config
['database']['server'],
189 database
=config
['database']['database'],
190 user
=config
['database']['username'],
191 password
=config
['database']['password']) as conn
:
192 with conn
.cursor() as cur
:
193 for report
in dmarc_reports
:
194 cur
.execute('select id, report_metadata_report_id from reports where report_metadata_report_id = %s;',
195 [report
.find('./report_metadata/report_id').text
])
196 results
= cur
.fetchall()
198 print('write', report
.find('./report_metadata/report_id').text
)
199 write_report(conn
, cur
, report
)