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[dak.git] / daklib / gpg.py

diff --git a/daklib/gpg.py b/daklib/gpg.py
index 62bfe096510453c180acb4fda1f5b80af6581ffa..9935c6d554a6eedc0658ed4cc14be1e5c83687ad 100644 (file)
--- a/daklib/gpg.py
+++ b/daklib/gpg.py
@@ -19,6 +19,8 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
+import apt_pkg
+import datetime
 import errno
 import fcntl
 import os
@@ -68,7 +70,7 @@ class SignedFile(object):
     def __init__(self, data, keyrings, require_signature=True, gpg="/usr/bin/gpg"):
         """
         @param data: string containing the message
-        @param keyrings: seqeuence of keyrings
+        @param keyrings: sequence of keyrings
         @param require_signature: if True (the default), will raise an exception if no valid signature was found
         @param gpg: location of the gpg binary
         """
@@ -141,6 +143,17 @@ class SignedFile(object):
 
         return dict( (fd, "".join(read_lines[fd])) for fd in read_lines.keys() )
 
+    def _parse_date(self, value):
+        """parse date string in YYYY-MM-DD format
+
+        @rtype:   L{datetime.datetime}
+        @returns: datetime objects for 0:00 on the given day
+        """
+        year, month, day = value.split('-')
+        date = datetime.date(int(year), int(month), int(day))
+        time = datetime.time(0, 0)
+        return datetime.datetime.combine(date, time)
+
     def _parse_status(self, line):
         fields = line.split()
         if fields[0] != "[GNUPG:]":
@@ -153,6 +166,7 @@ class SignedFile(object):
             self.valid = True
             self.fingerprint = fields[2]
             self.primary_fingerprint = fields[11]
+            self.signature_timestamp = self._parse_date(fields[3])
 
         if fields[1] == "BADARMOR":
             raise GpgException("Bad armor.")
@@ -181,7 +195,12 @@ class SignedFile(object):
                 fcntl.fcntl(fd, fcntl.F_SETFD, old & ~fcntl.FD_CLOEXEC)
             os.closerange(4, _MAXFD)
 
-            args = [self.gpg, "--status-fd=3", "--no-default-keyring"]
+            args = [self.gpg,
+                    "--status-fd=3",
+                    "--no-default-keyring",
+                    "--batch",
+                    "--no-tty",
+                    "--trust-model", "always"]
             for k in self.keyrings:
                 args.append("--keyring=%s" % k)
             args.extend(["--decrypt", "-"])
@@ -190,4 +209,7 @@ class SignedFile(object):
         finally:
             os._exit(1)
 
+    def contents_sha1(self):
+        return apt_pkg.sha1sum(self.contents)
+
 # vim: set sw=4 et: