feat(admin): overpay certificate upload block

(cherry picked from commit b51b9d7d45db7b4597838d25a475291e453c7a7a)

src/api/adminOverpayCertificate.ts

@@ -0,0 +1,48 @@
+import apiClient from './client';
+
+export const OVERPAY_CERT_MAX_SIZE = 1024 * 1024;
+
+export interface OverpayCertificateStatus {
+  uploaded: boolean;
+  valid: boolean;
+  path: string;
+  subject: string | null;
+  not_valid_after: string | null;
+  has_chain: boolean | null;
+  env_locked_path: boolean;
+  env_locked_passphrase: boolean;
+}
+
+export interface OverpayCertificateUploadResponse {
+  subject: string;
+  not_valid_after: string;
+  has_chain: boolean;
+  path: string;
+  env_locked_path: boolean;
+  env_locked_passphrase: boolean;
+  warning: string | null;
+}
+
+export const adminOverpayCertificateApi = {
+  getStatus: async (): Promise<OverpayCertificateStatus> => {
+    const response = await apiClient.get<OverpayCertificateStatus>(
+      '/cabinet/admin/overpay/certificate',
+    );
+    return response.data;
+  },
+
+  upload: async (file: File, passphrase: string): Promise<OverpayCertificateUploadResponse> => {
+    const formData = new FormData();
+    formData.append('file', file);
+    formData.append('passphrase', passphrase);
+    const response = await apiClient.post<OverpayCertificateUploadResponse>(
+      '/cabinet/admin/overpay/certificate',
+      formData,
+    );
+    return response.data;
+  },
+
+  remove: async (): Promise<void> => {
+    await apiClient.delete('/cabinet/admin/overpay/certificate');
+  },
+};