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Zone file ingestion script now uses the same sentinal value as masscans ingestion, set document id as the domain name to allow updating records if they exist

This commit is contained in:
Dionysus 2024-03-06 14:12:27 -05:00
parent 84f124b23d
commit 654e4a8667
Signed by: acidvegas
GPG Key ID: EF4B922DB85DC9DE
1 changed files with 27 additions and 15 deletions
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42
ingestors/ingest_zone.py
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@ -9,8 +9,10 @@ try:
except ImportError:
raise ImportError('Missing required \'aiofiles\' library. (pip install aiofiles)')
default_index = 'dns-zones'
record_types = ('a','aaaa','caa','cdnskey','cds','cname','dnskey','ds','mx','naptr','ns','nsec','nsec3','nsec3param','ptr','rrsig','rp','sshfp','soa','srv','txt','type65534')
record_types = ('a','aaaa','caa','cdnskey','cds','cname','dnskey','ds','mx','naptr','ns','nsec','nsec3','nsec3param','ptr','rrsig','rp','sshfp','soa','srv','txt','type65534')
def construct_map() -> dict:
'''Construct the Elasticsearch index mapping for zone file records.'''
@ -61,6 +63,9 @@ async def process_data(file_path: str):
async for line in input_file:
line = line.strip()
if line == '~eof': # Sentinel value to indicate the end of a process (Used with --watch with FIFO)
break
if not line or line.startswith(';'):
continue
@ -76,14 +81,15 @@ async def process_data(file_path: str):
ttl = int(ttl)
# Anomaly...Doubtful any CHAOS/HESIOD records will be found in zone files
if record_class != 'in':
raise ValueError(f'Unsupported record class: {record_class} with line: {line}') # Anomaly (Doubtful any CHAOS/HESIOD records will be found)
raise ValueError(f'Unsupported record class: {record_class} with line: {line}')
# We do not want to collide with our current mapping (Again, this is an anomaly)
if record_type not in record_types:
raise ValueError(f'Unsupported record type: {record_type} with line: {line}')
# Little tidying up for specific record types
# Little tidying up for specific record types (removing trailing dots, etc)
if record_type == 'nsec':
data = ' '.join([data.split()[0].rstrip('.'), *data.split()[1:]])
elif record_type == 'soa':
@ -93,11 +99,15 @@ async def process_data(file_path: str):
if domain != last_domain:
if last_domain:
struct = {'domain': last_domain, 'records': domain_records[last_domain], 'seen': time.strftime('%Y-%m-%dT%H:%M:%SZ', time.gmtime())}
struct = {
'domain' : last_domain,
'records' : domain_records[last_domain],
'seen' : time.strftime('%Y-%m-%dT%H:%M:%SZ', time.gmtime()) # Zone files do not contain a timestamp, so we use the current time
}
del domain_records[last_domain]
yield {'_index': default_index, '_source': struct}
yield {'_id': domain, '_index': default_index, '_source': struct} # Set the ID to the domain name to allow the record to be reindexed if it exists.
last_domain = domain
@ -108,8 +118,6 @@ async def process_data(file_path: str):
domain_records[domain][record_type].append({'ttl': ttl, 'data': data})
return None # EOF
'''
@ -125,13 +133,17 @@ Example record:
Will be indexed as:
{
"domain": "1001.vegas",
"records": {
"ns": [
{"ttl": 3600, "data": "ns11.waterrockdigital.com"},
{"ttl": 3600, "data": "ns12.waterrockdigital.com"}
]
},
"seen": "2021-09-01T00:00:00Z" # Zulu time added upon indexing
"_id" : "1001.vegas"
"_index" : "dns-zones",
"_source" : {
"domain" : "1001.vegas",
"records" : { # All records are stored in a single dictionary
"ns": [
{"ttl": 3600, "data": "ns11.waterrockdigital.com"},
{"ttl": 3600, "data": "ns12.waterrockdigital.com"}
]
},
"seen" : "2021-09-01T00:00:00Z" # Zulu time added upon indexing
}
}
'''