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from django import template
from django.conf import settings
from django.utils.html import conditional_escape
from django.utils.safestring import mark_safe
register = template.Library()
def format_key(key_id):
if len(key_id) in (8, 20):
return u'0x%s' % key_id
elif len(key_id) == 40:
# normal display format is 5 groups of 4 hex chars seperated by spaces,
# double space, then 5 more groups of 4 hex chars
split = tuple(key_id[i:i+4] for i in range(0, 40, 4))
return u'%s %s' % (' '.join(split[0:5]), ' '.join(split[5:10]))
return u'0x%s' % key_id
@register.simple_tag
def pgp_key_link(key_id):
if not key_id:
return "Unknown"
# Something like 'pgp.mit.edu:11371'
pgp_server = getattr(settings, 'PGP_SERVER', None)
if not pgp_server:
return format_key(key_id)
url = 'http://%s/pks/lookup?op=vindex&fingerprint=on&exact=on&search=0x%s' % \
(pgp_server, key_id)
values = (url, format_key(key_id), key_id[-8:])
return '<a href="%s" title="PGP key search for %s">0x%s</a>' % values
@register.filter
def pgp_fingerprint(key_id, autoescape=True):
if not key_id:
return u''
if autoescape:
esc = conditional_escape
else:
esc = lambda x: x
return mark_safe(format_key(esc(key_id)))
pgp_fingerprint.needs_autoescape = True
# vim: set ts=4 sw=4 et:
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