59 lines
1.4 KiB
Python
59 lines
1.4 KiB
Python
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import falcon
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import ipaddress
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from datetime import datetime
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from certidude import config
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from certidude.decorators import serialize
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from certidude.api.lease import parse_dn
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def address_to_identity(conn, addr):
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"""
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Translate currently online client's IP-address to distinguished name
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"""
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SQL_LEASES = """
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select
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acquired,
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released,
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identities.data as identity
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from
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addresses
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right join
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identities
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on
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identities.id = addresses.identity
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where
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address = %s and
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released is not null
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"""
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cursor = conn.cursor()
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import struct
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cursor.execute(SQL_LEASES, (struct.pack("!L", int(addr)),))
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for acquired, released, identity in cursor:
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cursor.close()
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return addr, datetime.utcfromtimestamp(acquired), parse_dn(bytes(identity))
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cursor.close()
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return None
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class WhoisResource(object):
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@serialize
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def on_get(self, req, resp):
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conn = config.DATABASE_POOL.get_connection()
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identity = address_to_identity(
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conn,
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req.context.get("remote_addr")
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)
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conn.close()
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if identity:
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return dict(address=identity[0], acquired=identity[1], identity=identity[2])
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else:
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resp.status = falcon.HTTP_403
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resp.body = "Failed to look up node %s" % req.context.get("remote_addr")
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