initial commit 2

1 files changed, 66 insertions, 0 deletions

diff --git a/addons/http_routing/geoipresolver.py b/addons/http_routing/geoipresolver.py
new file mode 100644
index 00000000..2cd16952
--- /dev/null
+++ b/addons/http_routing/geoipresolver.py
@@ -0,0 +1,66 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+import os.path
+
+try:
+    import GeoIP    # Legacy
+except ImportError:
+    GeoIP = None
+
+try:
+    import geoip2
+    import geoip2.database
+except ImportError:
+    geoip2 = None
+
+class GeoIPResolver(object):
+    def __init__(self, fname):
+        self.fname = fname
+        try:
+            self._db = geoip2.database.Reader(fname)
+            self.version = 2
+        except Exception:
+            try:
+                self._db = GeoIP.open(fname, GeoIP.GEOIP_STANDARD)
+                self.version = 1
+                assert self._db.database_info is not None
+            except Exception:
+                raise ValueError('Invalid GeoIP database: %r' % fname)
+
+    def __del__(self):
+        if self.version == 2:
+            self._db.close()
+
+    @classmethod
+    def open(cls, fname):
+        if not GeoIP and not geoip2:
+            return None
+        if not os.path.exists(fname):
+            return None
+        return GeoIPResolver(fname)
+
+    def resolve(self, ip):
+        if self.version == 1:
+            return self._db.record_by_addr(ip) or {}
+        elif self.version == 2:
+            try:
+                r = self._db.city(ip)
+            except (ValueError, geoip2.errors.AddressNotFoundError):
+                return {}
+            # Compatibility with Legacy database.
+            # Some ips cannot be located to a specific country. Legacy DB used to locate them in
+            # continent instead of country. Do the same to not change behavior of existing code.
+            country, attr = (r.country, 'iso_code') if r.country.geoname_id else (r.continent, 'code')
+            return {
+                'city': r.city.name,
+                'country_code': getattr(country, attr),
+                'country_name': country.name,
+                'latitude': r.location.latitude,
+                'longitude': r.location.longitude,
+                'region': r.subdivisions[0].iso_code if r.subdivisions else None,
+                'time_zone': r.location.time_zone,
+            }
+
+    # compat
+    def record_by_addr(self, addr):
+        return self.resolve(addr)