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# sql.py - DMARC report aggregator sqlite interface.
# Copyright (C) 2016-2017 Tomasz Kramkowski <tk@the-tk.com>
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import sqlite3
_schema = '''
CREATE TABLE feedback (
feedbackid INTEGER PRIMARY KEY AUTOINCREMENT,
rm_org_name TEXT NOT NULL,
rm_email TEXT NOT NULL,
rm_extra_contact_info TEXT,
rm_report_id TEXT UNIQUE NOT NULL,
rm_date_begin INTEGER NOT NULL,
rm_date_end INTEGER NOT NULL,
pp_domain TEXT NOT NULL,
pp_adkim TEXT,
pp_aspf TEXT,
pp_p TEXT NOT NULL,
pp_sp TEXT NOT NULL,
pp_pct TEXT NOT NULL
);
CREATE TABLE rm_error (
rm_errorid INTEGER PRIMARY KEY AUTOINCREMENT,
feedbackid INTEGER NOT NULL,
error TEXT NOT NULL,
FOREIGN KEY(feedbackid) REFERENCES feedback
);
CREATE TABLE record (
recordid INTEGER PRIMARY KEY AUTOINCREMENT,
feedbackid INTEGER NOT NULL,
row_source_ip TEXT NOT NULL,
row_count INTEGER NOT NULL,
row_pol_disposition TEXT NOT NULL,
row_pol_dkim TEXT NOT NULL,
row_pol_spf TEXT NOT NULL,
ids_envelope_to TEXT,
ids_header_from TEXT NOT NULL,
FOREIGN KEY(feedbackid) REFERENCES feedback
);
CREATE TABLE row_pol_reason (
row_pol_reasonid INTEGER PRIMARY KEY AUTOINCREMENT,
recordid INTEGER NOT NULL,
type TEXT NOT NULL,
comment TEXT,
FOREIGN KEY(recordid) REFERENCES record
);
CREATE TABLE res_dkim (
res_dkimid INTEGER PRIMARY KEY AUTOINCREMENT,
recordid INTEGER NOT NULL,
domain TEXT NOT NULL,
selector TEXT,
result TEXT NOT NULL,
human_result TEXT,
FOREIGN KEY(recordid) REFERENCES record
);
CREATE TABLE res_spf (
res_spfid INTEGER PRIMARY KEY AUTOINCREMENT,
recordid INTEGER NOT NULL,
domain TEXT NOT NULL,
result TEXT NOT NULL,
FOREIGN KEY(recordid) REFERENCES record
);
'''
def _init_db(conn):
c = conn.cursor()
c.execute('PRAGMA foreign_keys = ON')
version = c.execute('PRAGMA user_version').fetchone()[0]
if version == 1:
return
assert(version == 0)
c.executescript(_schema)
c.execute('PRAGMA user_version = 1')
def _flatten(t):
for v in t:
if isinstance(v, tuple):
for vv in flatten(v):
yield vv
else:
yield v
def _insert_dmarc(conn, dmarc):
c = conn.cursor()
c.execute('''INSERT INTO feedback (rm_org_name, rm_email,
rm_extra_contact_info, rm_report_id, rm_date_begin, rm_date_end,
pp_domain, pp_adkim, pp_aspf, pp_p, pp_sp, pp_pct) VALUES
(?,?,?,?,?,?,?,?,?,?,?,?)''', (
dmarc.report_metadata.org_name,
dmarc.report_metadata.email,
dmarc.report_metadata.extra_contact_info,
dmarc.report_metadata.report_id,
*_flatten(dmarc.report_metadata.date_range),
*_flatten(dmarc.policy_published)
))
feedback = c.lastrowid
c.executemany('INSERT INTO rm_error (feedbackid, error) VALUES (?,?)', (
*((
feedback, e
) for e in dmarc.report_metadata.error
),
))
for rec in dmarc.record:
c.execute('''INSERT INTO record (feedbackid, row_source_ip, row_count,
row_pol_disposition, row_pol_dkim, row_pol_spf, ids_envelope_to,
ids_header_from) VALUES (?,?,?,?,?,?,?,?)''', (
feedback,
rec.row.source_ip,
rec.row.count,
rec.row.policy_evaluated.disposition,
rec.row.policy_evaluated.dkim,
rec.row.policy_evaluated.spf,
*_flatten(rec.identifiers)
))
record = c.lastrowid
c.executemany('''INSERT INTO row_pol_reason (recordid, type, comment)
VALUES (?,?,?)''', (
*((
record, r.type, r.comment
) for r in rec.row.policy_evaluated.reason
),
))
c.executemany('''INSERT INTO res_dkim (recordid, domain, selector,
result, human_result) VALUES (?,?,?,?,?)''', (
*((
record, *_flatten(d)
) for d in rec.auth_results.dkim
),
))
c.executemany('''INSERT INTO res_spf (recordid, domain, result)
VALUES (?,?,?)''', (
*((
record, *_flatten(s)
) for s in rec.auth_results.spf
),
))
def store_dmarc(dbfile, dmarc):
with sqlite3.connect(dbfile) as conn:
with conn:
_init_db(conn)
with conn:
_insert_dmarc(conn, dmarc)
|
