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add reverse dns lookup results for viewer's current IPs to session, show on hosts overview view (see panel at lower right)

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not showing it in home view's jumbotron due to potential cosmetic issues
This commit is contained in:
Thomas Waldmann 2013-11-27 08:16:49 +01:00
parent 71509fe935
commit 6b9c7e9511
4 changed files with 22 additions and 5 deletions
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2
nsupdate/api/views.py
View File

@ -79,7 +79,9 @@ class AjaxGetIps(View):
"""
response = dict(
ipv4=request.session.get('ipv4', ''),
ipv4_rdns=request.session.get('ipv4_rdns', ''),
ipv6=request.session.get('ipv6', ''),
ipv6_rdns=request.session.get('ipv6_rdns', ''),
)
logger.debug("ajax_get_ips response: %r" % (response, ))
return HttpResponse(json.dumps(response), content_type='application/json')

15
nsupdate/main/dnstools.py
View File

@ -187,10 +187,18 @@ def rev_lookup(ipaddr):
"""
do a normal reverse DNS lookup, IP to name
note: this call may be slow, especially if there is no reverse dns entry
:param ipaddr: ip address (str)
:return: hostname
:return: hostname (or empty string if lookup failed)
"""
return socket.gethostbyaddr(ipaddr)[0]
name = ''
if ipaddr:
try:
name = socket.gethostbyaddr(ipaddr)[0]
except socket.error:
pass
return name
def parse_name(fqdn, origin=None):
@ -337,8 +345,9 @@ def put_ip_into_session(session, ipaddr, kind=None, max_age=0,
# we try to avoid modifying the session if not necessary...
if session.get(kind) != ipaddr:
# we have a new ip, remember it, with timestamp
session[kind] = ipaddr
session[kind + '_timestamp'] = int(time.time())
session[kind] = ipaddr
session[kind + '_rdns'] = rev_lookup(ipaddr) # may be slow
else:
old_timestamp = session.get(kind + '_timestamp')
if not max_age or old_timestamp is None or old_timestamp + max_age < int(time.time()):

8
nsupdate/main/templates/main/overview.html
View File

@ -61,8 +61,12 @@
</div>
<div class="well well-sm">
<h3>Your current IP(s):</h3>
<p><b>IPv4:</b> <span id="ipv4" class="ipv4addr">{{ request.session.ipv4 }}</span></p>
<p><b>IPv6:</b> <span id="ipv6" class="ipv6addr">{{ request.session.ipv6 }}</span></p>
<p><b>IPv4:</b> <span id="ipv4" class="ipv4addr">{{ request.session.ipv4 }}</span>
<span id="ipv4_rdns" class="ipv4addr">{{ request.session.ipv4_rdns }}</span>
</p>
<p><b>IPv6:</b> <span id="ipv6" class="ipv6addr">{{ request.session.ipv6 }}</span>
<span id="ipv6_rdns" class="ipv6addr">{{ request.session.ipv6_rdns }}</span>
</p>
</div>
</div>
</div>

2
nsupdate/templates/base.html
View File

@ -155,7 +155,9 @@
$.getJSON("{% url 'ajax_get_ips' %}")
.done(function(data) {
$('#ipv4').text(data['ipv4']);
$('#ipv4_rdns').text(data['ipv4_rdns']);
$('#ipv6').text(data['ipv6']);
$('#ipv6_rdns').text(data['ipv6_rdns']);
});
}
setTimeout(insert_ips, 1500);