initial commit for mobile app

lib/client/sendLoginRequest.ts

@@ -0,0 +1,56 @@
+import { Capacitor, CapacitorHttp } from "@capacitor/core";
+import { signIn } from "next-auth/react";
+
+interface FormData {
+  baseURL: string;
+  username: string;
+  password: string;
+}
+
+export default async function sendLoginRequest(form: FormData) {
+  if (Capacitor.isNativePlatform()) {
+    const csrfToken = await getCsrfToken(form.baseURL);
+
+    const data = {
+      username: form.username,
+      password: form.password,
+      redirect: false,
+      csrfToken: csrfToken,
+      callbackUrl: `${form.baseURL}/login`,
+      json: true,
+    };
+
+    const formBody = Object.entries(data)
+      .map(
+        ([key, value]) =>
+          `${encodeURIComponent(key)}=${encodeURIComponent(value as any)}`
+      )
+      .join("&");
+
+    return await CapacitorHttp.request({
+      url: form.baseURL + "/api/v1/auth/callback/credentials",
+      method: "POST",
+      headers: {
+        "Content-Type": "application/x-www-form-urlencoded",
+      },
+      data: formBody,
+    });
+  } else {
+    const response = await signIn("credentials", {
+      username: form.username,
+      password: form.password,
+      redirect: false,
+    });
+
+    return response;
+  }
+}
+
+export async function getCsrfToken(url: string) {
+  const token = await CapacitorHttp.request({
+    url: `${url}/api/v1/auth/csrf`,
+    method: "GET",
+  });
+  const { csrfToken } = token.data;
+  return csrfToken;
+}