diff --git a/src/routes/register.rs b/src/routes/register.rs
index a5062c3..f253911 100644
--- a/src/routes/register.rs
+++ b/src/routes/register.rs
@@ -1,12 +1,58 @@
-use std::time::Duration;
+use std::{time::Duration, collections::HashSet};
 
 use axum::{extract::State, Json};
 use reqwest::StatusCode;
-use sea_orm::{EntityTrait, QueryFilter, ColumnTrait, Set, ActiveValue::NotSet};
+use sea_orm::{EntityTrait, QueryFilter, ColumnTrait, Set, ActiveValue::NotSet, DatabaseConnection, DbErr};
 use tracing::info;
 
 use crate::{AppState, proto::{self, Response}, entities};
 
+// TODO shouldn't be here probably
+pub async fn fill_missing_skins(db: &DatabaseConnection) -> Result<(), DbErr> {
+	let mut users_with_skins = HashSet::new();
+	
+	for skin in entities::property::Entity::find().all(db).await? {
+		users_with_skins.insert(skin.user_id);
+	}
+
+	for user in entities::user::Entity::find().all(db).await? {
+		if users_with_skins.contains(&user.id) {
+			continue;
+		}
+
+		info!("Updating skin for user {} ({})", user.name, user.uuid);
+		let url = format!("https://sessionserver.mojang.com/session/minecraft/profile/{}?unsigned=false", user.uuid.simple());
+		let res = reqwest::Client::new().get(url.clone()) //TODO: needs trimmed uuid, is it trimmed by default?
+			.json(&()).send()
+			.await.map_err(|_| DbErr::Custom(format!("could not fetch profile for user {}", user.uuid)))?
+			.text().await.expect("invalid body on response");
+
+		let doc = serde_json::from_str::<proto::SessionUser>(&res)
+			.map_err(|_| DbErr::Json("invalid texture response".into()))?;
+
+		let mut skin = proto::Property::default_skin();
+
+		for s in doc.properties.expect("missing properties field") {
+			if s.name == "textures" {
+				skin = s;
+				break;
+			}
+		}
+
+		entities::property::Entity::insert(
+			entities::property::ActiveModel {
+				id: NotSet,
+				name: Set("textures".into()),
+				user_id: Set(user.id),
+				value: Set(skin.value),
+				signature: Set(skin.signature),
+			}
+		).exec(db).await?;
+	}
+
+	Ok(())
+}
+
 //TODO: replace format! with axum's own
 pub async fn register_unmigrated(State(state): State<AppState>, Json(payload): Json<proto::RegisterRequest>) -> Response<proto::RegisterResponse> {
 	info!(target: "REGISTER", "[UNMIGRATED] called with {:?}", payload);