[tor-commits] [bridgedb/develop] Fixed some defects isis found in the previous patch

[isis@xxxxxxxxxxxxxx]

commit 4c5c35dca9ec768d8b5db031a9253eb50b3544f7
Author: Alden S. Page <pagea@xxxxxxxxxxxxx>
Date:   Wed Jan 7 16:07:29 2015 -0500

    Fixed some defects isis found in the previous patch
    
    Changes in geo.py: Made sure we loaded GeoIP databases without a hitch before
    looking up any IPs. Load compressed IP from IPAddr instead of exploded. Removed
    unused import.
    
    Changes in HTTPServer.py: Restored accidentally removed whitespace; validated
    ip before calling getCountryCode.
    
    Changes in Bridges.py: Fixed documentation whitespace issue, validated ip before
    calling getCountryCode.
    
    Signed-off-by: Isis Lovecruft <isis@xxxxxxxxxxxxxx>
    
    Again, I removed the changes to bridgedb.Bridges.Bridge, since the class
    has been rewritten for #9380 and now lives in bridgedb.bridges.Bridge.
---
 lib/bridgedb/HTTPServer.py |    9 +++++++--
 lib/bridgedb/geo.py        |   21 ++++++++++++++-------
 2 files changed, 21 insertions(+), 9 deletions(-)

diff --git a/lib/bridgedb/HTTPServer.py b/lib/bridgedb/HTTPServer.py
index 3a51f7c..258861e 100644
--- a/lib/bridgedb/HTTPServer.py
+++ b/lib/bridgedb/HTTPServer.py
@@ -675,8 +675,12 @@ class WebResourceBridges(resource.Resource):
         else:
             ip = request.getClientIP()
 
-        # Record what country the client is in.
-        countryCode = bridgedb.geo.getCountryCode(IPAddress(ip))
+        # Look up the country code of the input IP
+        if isIPAddress(ip):
+            countryCode = bridgedb.geo.getCountryCode(IPAddress(ip))
+        else:
+            logging.warn("Invalid IP detected; skipping country lookup.")
+            countryCode = None
 
         # XXX separate function again
         format = request.args.get("format", None)
@@ -786,6 +790,7 @@ class WebResourceBridges(resource.Resource):
 
         return rendered
 
+
 class WebRoot(resource.Resource):
     """The parent resource of all other documents hosted by the webserver."""
 
diff --git a/lib/bridgedb/geo.py b/lib/bridgedb/geo.py
index b2be72c..1e2e9e7 100644
--- a/lib/bridgedb/geo.py
+++ b/lib/bridgedb/geo.py
@@ -16,7 +16,6 @@ and geoip-database packages.
 import logging
 from os.path import isfile
 
-from bridgedb.safelog import logSafely
 from ipaddr import IPv4Address, IPv6Address
 
 # IPv4 database
@@ -37,16 +36,18 @@ try:
 except Exception as err:  # pragma: no cover
     logging.warn("Error while loading geoip module: %r" % err)
     geoip = None
+    geoipv6 = None
 
 def getCountryCode(IPAddr):
-    """Returns the two-letter country code of a given IP address.
+    """Return the two-letter country code of a given IP address.
 
     :param IPAddr: (:class:`ipaddr.IPAddress`) An IPv4 OR IPv6 address.
     """
+
     ip = None
     version = None
     try:
-        ip = IPAddr.exploded
+        ip = IPAddr.compressed
         version = IPAddr.version
     except AttributeError as err:
         logging.warn("Wrong type passed to getCountryCode. Offending call:"
@@ -55,11 +56,17 @@ def getCountryCode(IPAddr):
 
     # GeoIP has two databases: one for IPv4 addresses, and one for IPv6
     # addresses. This will ensure we use the correct one.
-    db = None    
-    if version == 4:
-        db = geoip
+    db = None
+    # First, make sure we loaded GeoIP properly.
+    if None in (geoip, geoipv6):
+        logging.warn("GeoIP databases failed to load; could not look up"\
+                     " country code.")
+        return None
     else:
-        db = geoipv6
+        if version == 4:
+            db = geoip
+        else:
+            db = geoipv6
 
     # Look up the country code of the address.
     countryCode = db.country_code_by_addr(ip)



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