working sessions

package-lock.json

@@ -10,8 +10,11 @@
       "dependencies": {
         "@radix-ui/react-label": "^2.1.7",
         "@radix-ui/react-slot": "^1.2.3",
+        "@types/js-cookie": "^3.0.6",
+        "axios": "^1.10.0",
         "class-variance-authority": "^0.7.1",
         "clsx": "^2.1.1",
+        "js-cookie": "^3.0.5",
         "lucide-react": "^0.525.0",
         "next": "15.4.1",
         "react": "19.1.0",
@@ -20,7 +23,7 @@
       },
       "devDependencies": {
         "@tailwindcss/postcss": "^4",
-        "@types/node": "^20",
+        "@types/node": "^20.19.8",
         "@types/react": "^19",
         "@types/react-dom": "^19",
         "tailwindcss": "^4",
@@ -1033,6 +1036,12 @@
         "tailwindcss": "4.1.11"
       }
     },
+    "node_modules/@types/js-cookie": {
+      "version": "3.0.6",
+      "resolved": "https://registry.npmjs.org/@types/js-cookie/-/js-cookie-3.0.6.tgz",
+      "integrity": "sha512-wkw9yd1kEXOPnvEeEV1Go1MmxtBJL0RR79aOTAApecWFVu7w0NNXNqhcWgvw2YgZDYadliXkl14pa3WXw5jlCQ==",
+      "license": "MIT"
+    },
     "node_modules/@types/node": {
       "version": "20.19.8",
       "resolved": "https://registry.npmjs.org/@types/node/-/node-20.19.8.tgz",
@@ -1063,6 +1072,36 @@
         "@types/react": "^19.0.0"
       }
     },
+    "node_modules/asynckit": {
+      "version": "0.4.0",
+      "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
+      "integrity": "sha512-Oei9OH4tRh0YqU3GxhX79dM/mwVgvbZJaSNaRk+bshkj0S5cfHcgYakreBjrHwatXKbz+IoIdYLxrKim2MjW0Q==",
+      "license": "MIT"
+    },
+    "node_modules/axios": {
+      "version": "1.10.0",
+      "resolved": "https://registry.npmjs.org/axios/-/axios-1.10.0.tgz",
+      "integrity": "sha512-/1xYAC4MP/HEG+3duIhFr4ZQXR4sQXOIe+o6sdqzeykGLx6Upp/1p8MHqhINOvGeP7xyNHe7tsiJByc4SSVUxw==",
+      "license": "MIT",
+      "dependencies": {
+        "follow-redirects": "^1.15.6",
+        "form-data": "^4.0.0",
+        "proxy-from-env": "^1.1.0"
+      }
+    },
+    "node_modules/call-bind-apply-helpers": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/call-bind-apply-helpers/-/call-bind-apply-helpers-1.0.2.tgz",
+      "integrity": "sha512-Sp1ablJ0ivDkSzjcaJdxEunN5/XvksFJ2sMBFfq6x0ryhQV/2b/KwFe21cMpmHtPOSij8K99/wSfoEuTObmuMQ==",
+      "license": "MIT",
+      "dependencies": {
+        "es-errors": "^1.3.0",
+        "function-bind": "^1.1.2"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      }
+    },
     "node_modules/caniuse-lite": {
       "version": "1.0.30001727",
       "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001727.tgz",
@@ -1165,6 +1204,18 @@
         "simple-swizzle": "^0.2.2"
       }
     },
+    "node_modules/combined-stream": {
+      "version": "1.0.8",
+      "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.8.tgz",
+      "integrity": "sha512-FQN4MRfuJeHf7cBbBMJFXhKSDq+2kAArBlmRBvcvFE5BB1HZKXtSFASDhdlz9zOYwxh8lDdnvmMOe/+5cdoEdg==",
+      "license": "MIT",
+      "dependencies": {
+        "delayed-stream": "~1.0.0"
+      },
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
     "node_modules/csstype": {
       "version": "3.1.3",
       "resolved": "https://registry.npmjs.org/csstype/-/csstype-3.1.3.tgz",
@@ -1172,6 +1223,15 @@
       "devOptional": true,
       "license": "MIT"
     },
+    "node_modules/delayed-stream": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz",
+      "integrity": "sha512-ZySD7Nf91aLB0RxL4KGrKHBXl7Eds1DAmEdcoVawXnLD7SDhpNgtuII2aAkg7a7QS41jxPSZ17p4VdGnMHk3MQ==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=0.4.0"
+      }
+    },
     "node_modules/detect-libc": {
       "version": "2.0.4",
       "resolved": "https://registry.npmjs.org/detect-libc/-/detect-libc-2.0.4.tgz",
@@ -1182,6 +1242,20 @@
         "node": ">=8"
       }
     },
+    "node_modules/dunder-proto": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/dunder-proto/-/dunder-proto-1.0.1.tgz",
+      "integrity": "sha512-KIN/nDJBQRcXw0MLVhZE9iQHmG68qAVIBg9CqmUYjmQIhgij9U5MFvrqkUL5FbtyyzZuOeOt0zdeRe4UY7ct+A==",
+      "license": "MIT",
+      "dependencies": {
+        "call-bind-apply-helpers": "^1.0.1",
+        "es-errors": "^1.3.0",
+        "gopd": "^1.2.0"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      }
+    },
     "node_modules/enhanced-resolve": {
       "version": "5.18.2",
       "resolved": "https://registry.npmjs.org/enhanced-resolve/-/enhanced-resolve-5.18.2.tgz",
@@ -1196,6 +1270,145 @@
         "node": ">=10.13.0"
       }
     },
+    "node_modules/es-define-property": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/es-define-property/-/es-define-property-1.0.1.tgz",
+      "integrity": "sha512-e3nRfgfUZ4rNGL232gUgX06QNyyez04KdjFrF+LTRoOXmrOgFKDg4BCdsjW8EnT69eqdYGmRpJwiPVYNrCaW3g==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.4"
+      }
+    },
+    "node_modules/es-errors": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/es-errors/-/es-errors-1.3.0.tgz",
+      "integrity": "sha512-Zf5H2Kxt2xjTvbJvP2ZWLEICxA6j+hAmMzIlypy4xcBg1vKVnx89Wy0GbS+kf5cwCVFFzdCFh2XSCFNULS6csw==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.4"
+      }
+    },
+    "node_modules/es-object-atoms": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/es-object-atoms/-/es-object-atoms-1.1.1.tgz",
+      "integrity": "sha512-FGgH2h8zKNim9ljj7dankFPcICIK9Cp5bm+c2gQSYePhpaG5+esrLODihIorn+Pe6FGJzWhXQotPv73jTaldXA==",
+      "license": "MIT",
+      "dependencies": {
+        "es-errors": "^1.3.0"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      }
+    },
+    "node_modules/es-set-tostringtag": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/es-set-tostringtag/-/es-set-tostringtag-2.1.0.tgz",
+      "integrity": "sha512-j6vWzfrGVfyXxge+O0x5sh6cvxAog0a/4Rdd2K36zCMV5eJ+/+tOAngRO8cODMNWbVRdVlmGZQL2YS3yR8bIUA==",
+      "license": "MIT",
+      "dependencies": {
+        "es-errors": "^1.3.0",
+        "get-intrinsic": "^1.2.6",
+        "has-tostringtag": "^1.0.2",
+        "hasown": "^2.0.2"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      }
+    },
+    "node_modules/follow-redirects": {
+      "version": "1.15.9",
+      "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.15.9.tgz",
+      "integrity": "sha512-gew4GsXizNgdoRyqmyfMHyAmXsZDk6mHkSxZFCzW9gwlbtOW44CDtYavM+y+72qD/Vq2l550kMF52DT8fOLJqQ==",
+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://github.com/sponsors/RubenVerborgh"
+        }
+      ],
+      "license": "MIT",
+      "engines": {
+        "node": ">=4.0"
+      },
+      "peerDependenciesMeta": {
+        "debug": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/form-data": {
+      "version": "4.0.3",
+      "resolved": "https://registry.npmjs.org/form-data/-/form-data-4.0.3.tgz",
+      "integrity": "sha512-qsITQPfmvMOSAdeyZ+12I1c+CKSstAFAwu+97zrnWAbIr5u8wfsExUzCesVLC8NgHuRUqNN4Zy6UPWUTRGslcA==",
+      "license": "MIT",
+      "dependencies": {
+        "asynckit": "^0.4.0",
+        "combined-stream": "^1.0.8",
+        "es-set-tostringtag": "^2.1.0",
+        "hasown": "^2.0.2",
+        "mime-types": "^2.1.12"
+      },
+      "engines": {
+        "node": ">= 6"
+      }
+    },
+    "node_modules/function-bind": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/function-bind/-/function-bind-1.1.2.tgz",
+      "integrity": "sha512-7XHNxH7qX9xG5mIwxkhumTox/MIRNcOgDrxWsMt2pAr23WHp6MrRlN7FBSFpCpr+oVO0F744iUgR82nJMfG2SA==",
+      "license": "MIT",
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
+    "node_modules/get-intrinsic": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/get-intrinsic/-/get-intrinsic-1.3.0.tgz",
+      "integrity": "sha512-9fSjSaos/fRIVIp+xSJlE6lfwhES7LNtKaCBIamHsjr2na1BiABJPo0mOjjz8GJDURarmCPGqaiVg5mfjb98CQ==",
+      "license": "MIT",
+      "dependencies": {
+        "call-bind-apply-helpers": "^1.0.2",
+        "es-define-property": "^1.0.1",
+        "es-errors": "^1.3.0",
+        "es-object-atoms": "^1.1.1",
+        "function-bind": "^1.1.2",
+        "get-proto": "^1.0.1",
+        "gopd": "^1.2.0",
+        "has-symbols": "^1.1.0",
+        "hasown": "^2.0.2",
+        "math-intrinsics": "^1.1.0"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
+    "node_modules/get-proto": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/get-proto/-/get-proto-1.0.1.tgz",
+      "integrity": "sha512-sTSfBjoXBp89JvIKIefqw7U2CCebsc74kiY6awiGogKtoSGbgjYE/G/+l9sF3MWFPNc9IcoOC4ODfKHfxFmp0g==",
+      "license": "MIT",
+      "dependencies": {
+        "dunder-proto": "^1.0.1",
+        "es-object-atoms": "^1.0.0"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      }
+    },
+    "node_modules/gopd": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/gopd/-/gopd-1.2.0.tgz",
+      "integrity": "sha512-ZUKRh6/kUFoAiTAtTYPZJ3hw9wNxx+BIBOijnlG9PnrJsCcSjs1wyyD6vJpaYtgnzDrKYRSqf3OO6Rfa93xsRg==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.4"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
     "node_modules/graceful-fs": {
       "version": "4.2.11",
       "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.2.11.tgz",
@@ -1203,6 +1416,45 @@
       "dev": true,
       "license": "ISC"
     },
+    "node_modules/has-symbols": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/has-symbols/-/has-symbols-1.1.0.tgz",
+      "integrity": "sha512-1cDNdwJ2Jaohmb3sg4OmKaMBwuC48sYni5HUw2DvsC8LjGTLK9h+eb1X6RyuOHe4hT0ULCW68iomhjUoKUqlPQ==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.4"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
+    "node_modules/has-tostringtag": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/has-tostringtag/-/has-tostringtag-1.0.2.tgz",
+      "integrity": "sha512-NqADB8VjPFLM2V0VvHUewwwsw0ZWBaIdgo+ieHtK3hasLz4qeCRjYcqfB6AQrBggRKppKF8L52/VqdVsO47Dlw==",
+      "license": "MIT",
+      "dependencies": {
+        "has-symbols": "^1.0.3"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
+    "node_modules/hasown": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/hasown/-/hasown-2.0.2.tgz",
+      "integrity": "sha512-0hJU9SCPvmMzIBdZFqNPXWa6dqh7WdH0cII9y+CyS8rG3nL48Bclra9HmKhVVUHyPWNH5Y7xDwAB7bfgSjkUMQ==",
+      "license": "MIT",
+      "dependencies": {
+        "function-bind": "^1.1.2"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      }
+    },
     "node_modules/is-arrayish": {
       "version": "0.3.2",
       "resolved": "https://registry.npmjs.org/is-arrayish/-/is-arrayish-0.3.2.tgz",
@@ -1220,6 +1472,15 @@
         "jiti": "lib/jiti-cli.mjs"
       }
     },
+    "node_modules/js-cookie": {
+      "version": "3.0.5",
+      "resolved": "https://registry.npmjs.org/js-cookie/-/js-cookie-3.0.5.tgz",
+      "integrity": "sha512-cEiJEAEoIbWfCZYKWhVwFuvPX1gETRYPw6LlaTKoxD3s2AkXzkCjnp6h0V77ozyqj0jakteJ4YqDJT830+lVGw==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=14"
+      }
+    },
     "node_modules/lightningcss": {
       "version": "1.30.1",
       "resolved": "https://registry.npmjs.org/lightningcss/-/lightningcss-1.30.1.tgz",
@@ -1478,6 +1739,36 @@
         "@jridgewell/sourcemap-codec": "^1.5.0"
       }
     },
+    "node_modules/math-intrinsics": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/math-intrinsics/-/math-intrinsics-1.1.0.tgz",
+      "integrity": "sha512-/IXtbwEk5HTPyEwyKX6hGkYXxM9nbj64B+ilVJnC/R6B0pH5G4V3b0pVbL7DBj4tkhBAppbQUlf6F6Xl9LHu1g==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.4"
+      }
+    },
+    "node_modules/mime-db": {
+      "version": "1.52.0",
+      "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.52.0.tgz",
+      "integrity": "sha512-sPU4uV7dYlvtWJxwwxHD0PuihVNiE7TyAbQ5SWxDCB9mUYvOgroQOwYQQOKPJ8CIbE+1ETVlOoK1UC2nU3gYvg==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
+    "node_modules/mime-types": {
+      "version": "2.1.35",
+      "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.35.tgz",
+      "integrity": "sha512-ZDY+bPm5zTTF+YpCrAU9nK0UgICYPT0QtT1NZWFv4s++TNkcgVaT0g6+4R2uI4MjQjzysHB1zxuWL50hzaeXiw==",
+      "license": "MIT",
+      "dependencies": {
+        "mime-db": "1.52.0"
+      },
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
     "node_modules/minipass": {
       "version": "7.1.2",
       "resolved": "https://registry.npmjs.org/minipass/-/minipass-7.1.2.tgz",
@@ -1650,6 +1941,12 @@
         "node": "^10 || ^12 || >=14"
       }
     },
+    "node_modules/proxy-from-env": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/proxy-from-env/-/proxy-from-env-1.1.0.tgz",
+      "integrity": "sha512-D+zkORCbA9f1tdWRK0RaCR3GPv50cMxcrz4X8k5LTSUD1Dkw47mKJEZQNunItRTkWwgtaUSo1RVFRIG9ZXiFYg==",
+      "license": "MIT"
+    },
     "node_modules/react": {
       "version": "19.1.0",
       "resolved": "https://registry.npmjs.org/react/-/react-19.1.0.tgz",

package.json

@@ -11,8 +11,11 @@
   "dependencies": {
     "@radix-ui/react-label": "^2.1.7",
     "@radix-ui/react-slot": "^1.2.3",
+    "@types/js-cookie": "^3.0.6",
+    "axios": "^1.10.0",
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
+    "js-cookie": "^3.0.5",
     "lucide-react": "^0.525.0",
     "next": "15.4.1",
     "react": "19.1.0",
@@ -21,7 +24,7 @@
   },
   "devDependencies": {
     "@tailwindcss/postcss": "^4",
-    "@types/node": "^20",
+    "@types/node": "^20.19.8",
     "@types/react": "^19",
     "@types/react-dom": "^19",
     "tailwindcss": "^4",

src/app/api/auth/route.ts

@@ -0,0 +1,45 @@
+import axios, { HttpStatusCode } from "axios";
+import { NextResponse } from "next/server";
+import { findKey, sessions, users } from "../data";
+
+export async function POST(request: Request) {
+  const body = await request.json();
+
+  if (!body.username || !body.password)
+    return NextResponse.json(
+      { message: "Credentials are empty" },
+      { status: HttpStatusCode.BadRequest }
+    );
+
+  const uuid = findKey(
+    users,
+    (u) => u.username == body.username && u.password == body.password
+  );
+
+  if (!uuid) {
+    return NextResponse.json(
+      { message: "Invalid username or password" },
+      { status: HttpStatusCode.BadRequest }
+    );
+  }
+
+  const sessionId = "SESH-" + crypto.randomUUID();
+
+  sessions[sessionId] = uuid;
+
+  return NextResponse.json({ message: "ok", sessionId });
+}
+
+export async function GET(request: Request) {
+  const { searchParams } = new URL(request.url);
+
+  const id = searchParams.get("id") || "";
+
+  if (!sessions[id])
+    return NextResponse.json(
+      { message: "Invalid session" },
+      { status: HttpStatusCode.Unauthorized }
+    );
+
+  return NextResponse.json({ message: "ok" });
+}

src/app/api/data.ts

@@ -0,0 +1,22 @@
+export function findKey<T extends object>(
+  obj: T,
+  predicate: (value: T[keyof T], key: keyof T) => boolean
+): keyof T | undefined {
+  return Object.entries(obj).find(([key, value]) =>
+    predicate(value as T[keyof T], key as keyof T)
+  )?.[0] as keyof T | undefined;
+}
+
+export type User = {
+  username: string;
+  password: string;
+};
+
+export const users = {
+  admin: {
+    username: "admin",
+    password: "admin",
+  },
+};
+
+export const sessions: { [key: string]: string } = {};

src/app/api/route.ts

@@ -0,0 +1,5 @@
+import { NextResponse } from "next/server";
+
+export async function GET() {
+  return NextResponse.json({ message: "ok", version: "0.0.1" });
+}

src/app/dashboard/page.tsx

@@ -0,0 +1,6 @@
+import getSession from "@/hooks/getSession";
+
+export default async function Dashboard() {
+  const session = await getSession();
+  
+}

src/app/login/page.tsx

@@ -1,18 +1,71 @@
+"use client";
+
 import { Button } from "@/components/ui/button";
 import { Card } from "@/components/ui/card";
 import { Input } from "@/components/ui/input";
 import { Label } from "@/components/ui/label";
+import axios from "axios";
+import { useState } from "react";
+import Cookies from "js-cookie";
+import { useRouter } from "next/navigation";
 
 export default function Login() {
+  const [username, setUsername] = useState("");
+  const [password, setPassword] = useState("");
+  const [error, setError] = useState("");
+  const router = useRouter();
+
+  const login = () => {
+    setError("");
+    axios({
+      method: "post",
+      url: "/api/auth",
+      data: {
+        username,
+        password,
+      },
+    })
+      .then((r) => {
+        Cookies.set("session_id", r.data.sessionId);
+        router.replace("/dashboard");
+      })
+      .catch((e) => {
+        setError(e.response.data.message);
+      });
+  };
+
   return (
     <div className="min-h-screen flex items-center justify-center">
-      <Card className="h-max w-[25rem] px-8 pb-10">
+      <Card className="h-max w-[25rem] px-8 pb-8 gap-3">
         <h1 className="text-4xl font-bold text-center mt-5">Login</h1>
         <Label>Username</Label>
-        <Input placeholder="Enter your username" />
-        <Label>Password</Label>
-        <Input placeholder="Enter your password" type="password" />
-        <Button>Login</Button>
+        <Input
+          placeholder="Enter your username"
+          onInput={(e) => {
+            setUsername((e.target as any).value);
+          }}
+        />
+        <Label className="mt-1">Password</Label>
+        <Input
+          placeholder="Enter your password"
+          type="password"
+          onInput={(e) => {
+            setPassword((e.target as any).value);
+          }}
+          onKeyDown={(e) => {
+            if (e.key == "Enter" && username != "" && password != "") {
+              login();
+            }
+          }}
+        />
+        {error ? <Label className="text-destructive">{error}</Label> : ""}
+        <Button
+          className="w-max mx-auto mt-3"
+          onClick={login}
+          disabled={username == "" || password == ""}
+        >
+          Login
+        </Button>
       </Card>
     </div>
   );

src/app/page.tsx

@@ -1,6 +1,10 @@
+import getSession from "@/hooks/getSession";
 import { redirect } from "next/navigation";
 
-export default function Home() {
-  redirect("/login");
-  return <div>Hello, World!</div>;
+export default async function Home() {
+  const session = await getSession();
+  if (session) {
+    redirect("/dashboard");
+  }
+  return <div>Redirecting..</div>;
 }

src/hooks/getSession.ts

@@ -0,0 +1,25 @@
+import { cookies } from "next/headers";
+import axios from "axios";
+import Session from "@/lib/session";
+import { redirect } from "next/navigation";
+
+export default async function getSession(): Promise<Session | null> {
+  const cookieStore = await cookies();
+  const sessionId = cookieStore.get("session_id")?.value;
+
+  if (!sessionId) {
+    redirect("/login");
+    return null;
+  }
+
+  try {
+    await axios.get("http://localhost:3000/api/auth", {
+      params: { id: sessionId },
+    });
+
+    return new Session(sessionId);
+  } catch (err) {
+    redirect("/login");
+    return null;
+  }
+}

src/hooks/useSession.ts

@@ -0,0 +1,30 @@
+import axios from "axios";
+import { useRouter } from "next/navigation";
+import { useEffect, useState } from "react";
+import Cookies from "js-cookie";
+import Session from "@/lib/session";
+
+export default function useSession() {
+  const router = useRouter();
+  const [session, setSession] = useState<Session | null>(null);
+
+  useEffect(() => {
+    const id = Cookies.get("session_id");
+
+    if (id)
+      axios({
+        method: "get",
+        url: "/api/auth",
+        params: { id },
+      })
+        .then((r) => {
+          setSession(new Session(id));
+        })
+        .catch((e) => {
+          console.log(e);
+          router.replace("/login");
+        });
+  });
+
+  return session;
+}

src/lib/session.ts

@@ -0,0 +1,7 @@
+export default class Session {
+  id: string;
+
+  constructor(id: string) {
+    this.id = id;
+  }
+}