Backend moved to a separate repository

src/main/core/api/crypto.ts

@@ -0,0 +1,76 @@
+import { API_BASE_URL } from "@/core/config";
+import { getAuthHeaders } from "./account";
+import type { UploadPublicKeyRequest, BackupBlob } from "@/core/types";
+import { b64, ub64 } from "@/utils/utils";
+
+/**
+ * Fetches the current user's public key
+ */
+export async function fetchPublicKey(token: string): Promise<Uint8Array | null> {
+    const headers = getAuthHeaders(token, true);
+    const res = await fetch(`${API_BASE_URL}/crypto/public-key`, { method: "GET", headers });
+    if (!res.ok) return null;
+    const data = await res.json();
+    if (!data?.publicKey) return null;
+    return ub64(data.publicKey);
+}
+
+/**
+ * Uploads the current user's public key
+ */
+export async function uploadPublicKey(publicKey: Uint8Array, token: string): Promise<void> {
+    const payload: UploadPublicKeyRequest = {
+        publicKey: b64(publicKey)
+    }
+
+    const headers = getAuthHeaders(token, true);
+    const res = await fetch(`${API_BASE_URL}/crypto/public-key`, {
+        method: "POST",
+        headers,
+        body: JSON.stringify(payload)
+    });
+    if (!res.ok) throw new Error("Failed to upload public key");
+}
+
+/**
+ * Fetches another user's public key by user ID
+ */
+export async function fetchUserPublicKey(userId: number, token: string): Promise<string | null> {
+    const res = await fetch(`${API_BASE_URL}/crypto/public-key/of/${userId}`, { headers: getAuthHeaders(token, true) });
+    if (!res.ok) return null;
+    const data = await res.json();
+    return data.publicKey;
+}
+
+/**
+ * Fetches the current user's backup blob
+ */
+export async function fetchBackupBlob(token: string): Promise<string | null> {
+    const headers = getAuthHeaders(token, true);
+    const res = await fetch(`${API_BASE_URL}/crypto/backup`, {
+        method: "GET",
+        headers
+    });
+    if (res.ok) {
+        const response: BackupBlob = await res.json();
+        return response.blob;
+    } else {
+        return null;
+    }
+}
+
+/**
+ * Uploads the current user's backup blob
+ */
+export async function uploadBackupBlob(blobJson: string, token: string): Promise<void> {
+    const payload: BackupBlob = { blob: blobJson }
+
+    const headers = getAuthHeaders(token, true);
+    const res = await fetch(`${API_BASE_URL}/crypto/backup`, {
+        method: "POST",
+        headers,
+        body: JSON.stringify(payload)
+    });
+    if (!res.ok) throw new Error("Failed to upload backup blob");
+}
+