update maxminddb to 0.27.0

Cargo.lock

@@ -2719,9 +2719,9 @@ dependencies = [
 
 [[package]]
 name = "maxminddb"
-version = "0.26.0"
+version = "0.27.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2a197e44322788858682406c74b0b59bf8d9b4954fe1f224d9a25147f1880bba"
+checksum = "7ef0551fc3e7345a6c854c1026b0ddada1e443e51f4fb4cdcf86cc1a71d4b337"
 dependencies = [
  "ipnetwork",
  "log",

Cargo.toml

@@ -43,7 +43,7 @@ chrono = { version = "0.4.42", default-features = false, features = ["clock"] }
 plotters = { version = "0.3.7", default-features = false, features = ["area_series", "line_series"] }
 iced = { version = "0.13.1", features = ["tokio", "svg", "advanced", "lazy", "image"] }
 plotters-iced = "0.11.0"
-maxminddb = "0.26.0"
+maxminddb = "0.27.0"
 confy = "2.0.0"
 serde = { version = "1.0.228", default-features = false, features = ["derive"] }
 serde_json = { version = "1.0.145", features = ["preserve_order"] }

src/mmdb/asn.rs

@@ -7,7 +7,7 @@ pub const ASN_MMDB: &[u8] = include_bytes!("../../resources/DB/GeoLite2-ASN.mmdb
 
 #[allow(clippy::module_name_repetitions)]
 pub fn get_asn(address: &IpAddr, asn_db_reader: &MmdbReader) -> Asn {
-    if let Ok(Some(res)) = asn_db_reader.lookup::<MmdbAsnEntry>(*address) {
+    if let Some(res) = asn_db_reader.lookup::<MmdbAsnEntry>(*address) {
         return res.get_asn();
     }
     Asn::default()

src/mmdb/country.rs

@@ -7,7 +7,7 @@ pub const COUNTRY_MMDB: &[u8] = include_bytes!("../../resources/DB/GeoLite2-Coun
 
 #[allow(clippy::module_name_repetitions)]
 pub fn get_country(address: &IpAddr, country_db_reader: &MmdbReader) -> Country {
-    if let Ok(Some(res)) = country_db_reader.lookup::<MmdbCountryEntry>(*address) {
+    if let Some(res) = country_db_reader.lookup::<MmdbCountryEntry>(*address) {
         return res.get_country();
     }
     Country::ZZ // unknown

src/mmdb/types/mmdb_reader.rs

@@ -3,7 +3,7 @@ use std::sync::Arc;
 
 use crate::location;
 use crate::utils::error_logger::{ErrorLogger, Location};
-use maxminddb::{MaxMindDbError, Reader};
+use maxminddb::Reader;
 use serde::Deserialize;
 
 #[derive(Clone)]
@@ -32,14 +32,11 @@ impl MmdbReader {
         }
     }
 
-    pub fn lookup<'a, T: Deserialize<'a>>(
-        &'a self,
-        ip: IpAddr,
-    ) -> Result<Option<T>, MaxMindDbError> {
+    pub fn lookup<'a, T: Deserialize<'a>>(&'a self, ip: IpAddr) -> Option<T> {
         match self {
-            MmdbReader::Default(reader) => reader.lookup(ip),
-            MmdbReader::Custom(reader) => reader.lookup(ip),
-            MmdbReader::Empty => Ok(None),
+            MmdbReader::Default(reader) => reader.lookup(ip).and_then(|lr| lr.decode()).ok()?,
+            MmdbReader::Custom(reader) => reader.lookup(ip).and_then(|lr| lr.decode()).ok()?,
+            MmdbReader::Empty => None,
         }
     }
 }