1 files changed, 84 insertions, 0 deletions
diff --git a/bin/python/isc/keydict.py.in b/bin/python/isc/keydict.py.in
new file mode 100644
index 0000000..578a847
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+++ b/bin/python/isc/keydict.py.in
@@ -0,0 +1,84 @@
+############################################################################
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+############################################################################
+
+from collections import defaultdict
+from . import dnskey
+import os
+import glob
+
+
+########################################################################
+# Class keydict
+########################################################################
+class keydict:
+    """ A dictionary of keys, indexed by name, algorithm, and key id """
+
+    _keydict = defaultdict(lambda: defaultdict(dict))
+    _defttl = None
+    _missing = []
+
+    def __init__(self, dp=None, **kwargs):
+        self._defttl = kwargs.get('keyttl', None)
+        zones = kwargs.get('zones', None)
+
+        if not zones:
+            path = kwargs.get('path',None) or '.'
+            self.readall(path)
+        else:
+            for zone in zones:
+                if 'path' in kwargs and kwargs['path'] is not None:
+                    path = kwargs['path']
+                else:
+                    path = dp and dp.policy(zone).directory or '.'
+                if not self.readone(path, zone):
+                    self._missing.append(zone)
+
+    def readall(self, path):
+        files = glob.glob(os.path.join(path, '*.private'))
+
+        for infile in files:
+            key = dnskey(infile, path, self._defttl)
+            self._keydict[key.name][key.alg][key.keyid] = key
+
+    def readone(self, path, zone):
+        match='K' + zone + '.+*.private'
+        files = glob.glob(os.path.join(path, match))
+
+        found = False
+        for infile in files:
+            key = dnskey(infile, path, self._defttl)
+            if key.name != zone: # shouldn't ever happen
+                continue
+            self._keydict[key.name][key.alg][key.keyid] = key
+            found = True
+
+        return found
+
+    def __iter__(self):
+        for zone, algorithms in self._keydict.items():
+            for alg, keys in algorithms.items():
+                for key in keys.values():
+                    yield key
+
+    def __getitem__(self, name):
+        return self._keydict[name]
+
+    def zones(self):
+        return (self._keydict.keys())
+
+    def algorithms(self, zone):
+        return (self._keydict[zone].keys())
+
+    def keys(self, zone, alg):
+        return (self._keydict[zone][alg].keys())
+
+    def missing(self):
+        return (self._missing)