Ratelimit acct creation (#2933)

apps/labrinth/src/util/ip.rs

@@ -0,0 +1,25 @@
+use std::net::{AddrParseError, IpAddr, Ipv6Addr};
+
+pub fn convert_to_ip_v6(src: &str) -> Result<Ipv6Addr, AddrParseError> {
+    let ip_addr: IpAddr = src.parse()?;
+
+    Ok(match ip_addr {
+        IpAddr::V4(x) => x.to_ipv6_mapped(),
+        IpAddr::V6(x) => x,
+    })
+}
+
+pub fn strip_ip(ip: Ipv6Addr) -> u64 {
+    if let Some(ip) = ip.to_ipv4_mapped() {
+        let octets = ip.octets();
+        u64::from_be_bytes([
+            octets[0], octets[1], octets[2], octets[3], 0, 0, 0, 0,
+        ])
+    } else {
+        let octets = ip.octets();
+        u64::from_be_bytes([
+            octets[0], octets[1], octets[2], octets[3], octets[4], octets[5],
+            octets[6], octets[7],
+        ])
+    }
+}

apps/labrinth/src/util/mod.rs

@@ -7,6 +7,7 @@ pub mod env;
 pub mod ext;
 pub mod guards;
 pub mod img;
+pub mod ip;
 pub mod ratelimit;
 pub mod redis;
 pub mod routes;