def _get_signature_date(self, uri):
"""Read the date-stamp from the signature of the cached interface.
If the date-stamp is unavailable, returns None."""
import trust
sigs = self.get_cached_signatures(uri)
if sigs:
return self._oldest_trusted(sigs, trust.domain_from_url(uri))
def _get_signature_date(self, uri): """Read the date-stamp from the signature of the cached interface. If the date-stamp is unavailable, returns None.""" import trust sigs = self.get_cached_signatures(uri) if sigs: return self._oldest_trusted(sigs, trust.domain_from_url(uri))
def update_interface_if_trusted(self, interface, sigs, xml):
"""Update a cached interface (using L{update_interface_from_network})
if we trust the signatures.
If we don't trust any of the signatures, do nothing.
@param interface: the interface being updated
@type interface: L{model.Interface}
@param sigs: signatures from L{gpg.check_stream}
@type sigs: [L{gpg.Signature}]
@param xml: the downloaded replacement interface document
@type xml: str
@return: True if the interface was updated
@rtype: bool
"""
import trust
updated = self._oldest_trusted(sigs,
trust.domain_from_url(interface.uri))
if updated is None: return False # None are trusted
self.update_interface_from_network(interface, xml, updated)
return True
def update_feed_if_trusted(self, feed_url, sigs, xml):
"""Update a cached feed (using L{update_feed_from_network})
if we trust the signatures.
If we don't trust any of the signatures, do nothing.
@param feed_url: the feed being updated
@type feed_url: str
@param sigs: signatures from L{gpg.check_stream}
@type sigs: [L{gpg.Signature}]
@param xml: the downloaded replacement feed document
@type xml: str
@return: True if the feed was updated
@rtype: bool
@since: 0.48
"""
import trust
updated = self._oldest_trusted(sigs, trust.domain_from_url(feed_url))
if updated is None: return False # None are trusted
self.update_feed_from_network(feed_url, xml, updated)
return True
