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1 files changed, 59 insertions, 0 deletions

diff --git a/mojang.ts b/mojang.ts
new file mode 100644
index 0000000..746f674
--- /dev/null
+++ b/mojang.ts
@@ -0,0 +1,59 @@
+import fetch from 'node-fetch'
+import { Agent } from 'https'
+
+// We need to create an agent to prevent memory leaks
+const httpsAgent = new Agent({
+	keepAlive: true
+})
+
+interface AshconHistoryItem {
+	username: string
+	changed_at?: string
+}
+
+interface AshconTextures {
+	custom: boolean
+	slim: boolean
+	skin: { url: string, data: string }
+	raw: { value: string, signature: string }
+}
+
+interface AshconResponse {
+	uuid: string
+	username: string
+	username_history: AshconHistoryItem[]
+	textures: AshconTextures
+	created_at?: string
+}
+
+/**
+ * Get mojang api data from ashcon.app
+ */
+export async function mojangDataFromUser(user: string): Promise<AshconResponse> {
+	console.log('cache miss :( mojangDataFromUser', user)
+    const fetchResponse = await fetch(
+		'https://api.ashcon.app/mojang/v2/user/' + user,
+		{ agent: () => httpsAgent }
+	)
+    return await fetchResponse.json()
+}
+
+/**
+ * Fetch the uuid from a user
+ * @param user A user can be either a uuid or a username 
+ */
+export async function uuidFromUser(user: string): Promise<string> {
+    const fetchJSON = await mojangDataFromUser(user)
+    return fetchJSON.uuid.replace(/-/g, '')
+}
+
+/**
+ * Fetch the username from a user
+ * @param user A user can be either a uuid or a username 
+ */
+export async function usernameFromUser(user: string): Promise<string> {
+    // get a minecraft uuid from a username, using ashcon.app's mojang api
+    const fetchJSON = await mojangDataFromUser(user)
+    return fetchJSON.username
+}
+