diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..bd3337f
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,4 @@
+{
+  "typescript.tsdk": "node_modules\\typescript\\lib",
+  "typescript.enablePromptUseWorkspaceTsdk": true
+}
\ No newline at end of file
diff --git a/components/AdminNav.tsx b/components/AdminNav.tsx
index f7700da..10c6fb3 100644
--- a/components/AdminNav.tsx
+++ b/components/AdminNav.tsx
@@ -1,14 +1,21 @@
 import React from "react";
 import Link from "next/link";
 import styles from "@/styles/modules/AdminNav.module.scss";
+import { useSession } from "next-auth/react";
+import { redirect, useRouter } from "next/navigation";
 
 function AdminNav() {
-  return (
-    <div className={styles.adminNav}>
-      <Link href={"/admin/editor/article/0"}>New article</Link>
-      <Link href={"/admin/editor/category/0"}>New category</Link>
-    </div>
-  );
+  const { data: session } = useSession();
+
+  if (session) {
+    return (
+      <div className={styles.adminNav}>
+        <Link href={"/admin/editor/article/0"}>New article</Link>
+        <Link href={"/admin/editor/category/0"}>New category</Link>
+        <Link href={"/api/auth/signout"}>Logout</Link>
+      </div>
+    );
+  }
 }
 
 export default AdminNav;
diff --git a/components/ArticleControl.tsx b/components/ArticleControl.tsx
index efd99d1..dc43d12 100644
--- a/components/ArticleControl.tsx
+++ b/components/ArticleControl.tsx
@@ -2,8 +2,12 @@ import React from "react";
 import { apiUrl } from "@/global";
 import urlJoin from "url-join";
 import { useRouter } from "next/navigation";
+import { useSession } from "next-auth/react";
+import { isElementAccessExpression } from "typescript";
 
 export default function ArticleControl({ articleId }: { articleId: string }) {
+  const { data: session } = useSession();
+
   const router = useRouter();
   async function deleteArticle() {
     await fetch(urlJoin(apiUrl, `articles/${articleId}`), { method: "DELETE" })
@@ -17,15 +21,18 @@ export default function ArticleControl({ articleId }: { articleId: string }) {
   function editArticle() {
     router.push("/admin/editor/article/" + articleId);
   }
-
-  return (
-    <div>
-      <button className="danger" onClick={deleteArticle}>
-        Delete
-      </button>
-      <button className="warning" onClick={editArticle}>
-        Edit
-      </button>
-    </div>
-  );
+  if (session) {
+    return (
+      <div>
+        <button className="danger" onClick={deleteArticle}>
+          Delete
+        </button>
+        <button className="warning" onClick={editArticle}>
+          Edit
+        </button>
+      </div>
+    );
+  } else {
+    return <></>;
+  }
 }
diff --git a/components/CategoryControl.tsx b/components/CategoryControl.tsx
index 99fe66a..1c79e68 100644
--- a/components/CategoryControl.tsx
+++ b/components/CategoryControl.tsx
@@ -2,8 +2,11 @@ import React from "react";
 import { apiUrl } from "@/global";
 import urlJoin from "url-join";
 import { useRouter } from "next/navigation";
+import { useSession } from "next-auth/react";
 
 export default function CategoryControl({ categoryId }: { categoryId: string }) {
+  const { data: session } = useSession();
+
   const router = useRouter();
   async function deleteCategory() {
     await fetch(urlJoin(apiUrl, `categories/${categoryId}`), { method: "DELETE" })
@@ -18,14 +21,18 @@ export default function CategoryControl({ categoryId }: { categoryId: string })
     router.push("/admin/editor/category/" + categoryId);
   }
 
-  return (
-    <div>
-      <button className="danger" onClick={deleteCategory}>
-        Delete
-      </button>
-      <button className="warning" onClick={editCategory}>
-        Edit
-      </button>
-    </div>
-  );
+  if (session) {
+    return (
+      <div>
+        <button className="danger" onClick={deleteCategory}>
+          Delete
+        </button>
+        <button className="warning" onClick={editCategory}>
+          Edit
+        </button>
+      </div>
+    );
+  } else {
+    return <></>;
+  }
 }
diff --git a/components/Nav.tsx b/components/Nav.tsx
index 37d5eaa..8848842 100644
--- a/components/Nav.tsx
+++ b/components/Nav.tsx
@@ -123,7 +123,7 @@ export default function Nav() {
               <path d="M416 208c0 45.9-14.9 88.3-40 122.7L502.6 457.4c12.5 12.5 12.5 32.8 0 45.3s-32.8 12.5-45.3 0L330.7 376c-34.4 25.2-76.8 40-122.7 40C93.1 416 0 322.9 0 208S93.1 0 208 0S416 93.1 416 208zM208 352c79.5 0 144-64.5 144-144s-64.5-144-144-144S64 128.5 64 208s64.5 144 144 144z" />
             </svg>
           </div>
-          <input onInput={handleSearchInput} type="text" name="" id="" />
+          <input onChange={handleSearchInput} type="text" name="" id="" />
         </div>
         <div className={styles.searchResults}>
           <div className={styles.content}>
diff --git a/package-lock.json b/package-lock.json
index 6e70bb2..ae4e2bb 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,13 +9,14 @@
       "version": "0.1.0",
       "dependencies": {
         "@next/font": "13.1.6",
-        "@prisma/client": "^4.9.0",
+        "@prisma/client": "^4.10.0",
         "@types/node": "18.11.19",
         "@types/react": "18.0.27",
         "@types/react-dom": "18.0.10",
         "eslint": "8.33.0",
         "eslint-config-next": "13.1.6",
         "next": "13.1.6",
+        "next-auth": "^4.19.2",
         "next-superjson-plugin": "^0.5.4",
         "react": "18.2.0",
         "react-dom": "18.2.0",
@@ -26,13 +27,14 @@
         "remark-gfm": "^3.0.1",
         "remark-stringify": "^10.0.2",
         "sass": "^1.58.0",
+        "swr": "^2.0.3",
         "typescript": "4.9.5",
         "url-join": "^5.0.0"
       },
       "devDependencies": {
         "@types/react-select": "^5.0.1",
         "@types/react-syntax-highlighter": "^15.5.6",
-        "prisma": "^4.9.0"
+        "prisma": "^4.10.0"
       }
     },
     "node_modules/@ampproject/remapping": {
@@ -964,6 +966,14 @@
         "node": ">= 8"
       }
     },
+    "node_modules/@panva/hkdf": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/@panva/hkdf/-/hkdf-1.0.2.tgz",
+      "integrity": "sha512-MSAs9t3Go7GUkMhpKC44T58DJ5KGk2vBo+h1cqQeqlMfdGkxaVB78ZWpv9gYi/g2fa4sopag9gJsNvS8XGgWJA==",
+      "funding": {
+        "url": "https://github.com/sponsors/panva"
+      }
+    },
     "node_modules/@pkgr/utils": {
       "version": "2.3.1",
       "resolved": "https://registry.npmjs.org/@pkgr/utils/-/utils-2.3.1.tgz",
@@ -984,12 +994,12 @@
       }
     },
     "node_modules/@prisma/client": {
-      "version": "4.9.0",
-      "resolved": "https://registry.npmjs.org/@prisma/client/-/client-4.9.0.tgz",
-      "integrity": "sha512-bz6QARw54sWcbyR1lLnF2QHvRW5R/Jxnbbmwh3u+969vUKXtBkXgSgjDA85nji31ZBlf7+FrHDy5x+5ydGyQDg==",
+      "version": "4.10.0",
+      "resolved": "https://registry.npmjs.org/@prisma/client/-/client-4.10.0.tgz",
+      "integrity": "sha512-sBmYb1S6SMKFIESaLMfKqWSalv3pH73cMCsFt9HslJvYjIIcKQCA6PDL2O4SZGWvc4JBef9cg5Gd7d9x3AtKjw==",
       "hasInstallScript": true,
       "dependencies": {
-        "@prisma/engines-version": "4.9.0-42.ceb5c99003b99c9ee2c1d2e618e359c14aef2ea5"
+        "@prisma/engines-version": "4.10.0-84.ca7fcef713137fa11029d519a9780db130cca91d"
       },
       "engines": {
         "node": ">=14.17"
@@ -1004,16 +1014,16 @@
       }
     },
     "node_modules/@prisma/engines": {
-      "version": "4.9.0",
-      "resolved": "https://registry.npmjs.org/@prisma/engines/-/engines-4.9.0.tgz",
-      "integrity": "sha512-t1pt0Gsp+HcgPJrHFc+d/ZSAaKKWar2G/iakrE07yeKPNavDP3iVKPpfXP22OTCHZUWf7OelwKJxQgKAm5hkgw==",
+      "version": "4.10.0",
+      "resolved": "https://registry.npmjs.org/@prisma/engines/-/engines-4.10.0.tgz",
+      "integrity": "sha512-ZPPo7q+nQZdTlPFedS7mFXPE3oZ2kWtTh3GO4sku0XQ8ikLqEyinuTPJbQCw/8qel2xglIEQicsK6yI4Jgh20A==",
       "devOptional": true,
       "hasInstallScript": true
     },
     "node_modules/@prisma/engines-version": {
-      "version": "4.9.0-42.ceb5c99003b99c9ee2c1d2e618e359c14aef2ea5",
-      "resolved": "https://registry.npmjs.org/@prisma/engines-version/-/engines-version-4.9.0-42.ceb5c99003b99c9ee2c1d2e618e359c14aef2ea5.tgz",
-      "integrity": "sha512-M16aibbxi/FhW7z1sJCX8u+0DriyQYY5AyeTH7plQm9MLnURoiyn3CZBqAyIoQ+Z1pS77usCIibYJWSgleBMBA=="
+      "version": "4.10.0-84.ca7fcef713137fa11029d519a9780db130cca91d",
+      "resolved": "https://registry.npmjs.org/@prisma/engines-version/-/engines-version-4.10.0-84.ca7fcef713137fa11029d519a9780db130cca91d.tgz",
+      "integrity": "sha512-UVpmVlvSaGfY4ue+hh8CTkIesbuXCFUfrr8zk//+u85WwkKfWMtt6nLB2tNSzR1YO8eAA8+HqNf8LM7mnXIq5w=="
     },
     "node_modules/@rushstack/eslint-patch": {
       "version": "1.2.0",
@@ -1660,6 +1670,14 @@
       "resolved": "https://registry.npmjs.org/convert-source-map/-/convert-source-map-1.9.0.tgz",
       "integrity": "sha512-ASFBup0Mz1uyiIjANan1jzLQami9z1PoYSZCiiYW2FczPbenXc45FZdBZLzOT+r6+iciuEModtmCti+hjaAk0A=="
     },
+    "node_modules/cookie": {
+      "version": "0.5.0",
+      "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.5.0.tgz",
+      "integrity": "sha512-YZ3GUyn/o8gfKJlnlX7g7xq4gyO6OSuhGPKaaGssGB2qgDUS0gPgtTvoyZLTt9Ab6dC4hfc9dV5arkvc/OCmrw==",
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
     "node_modules/copy-anything": {
       "version": "3.0.3",
       "resolved": "https://registry.npmjs.org/copy-anything/-/copy-anything-3.0.3.tgz",
@@ -3414,6 +3432,14 @@
       "resolved": "https://registry.npmjs.org/isexe/-/isexe-2.0.0.tgz",
       "integrity": "sha512-RHxMLp9lnKHGHRng9QFhRCMbYAcVpn69smSGcq3f36xjgVVWThj4qqLbTLlq7Ssj8B+fIQ1EuCEGI2lKsyQeIw=="
     },
+    "node_modules/jose": {
+      "version": "4.11.4",
+      "resolved": "https://registry.npmjs.org/jose/-/jose-4.11.4.tgz",
+      "integrity": "sha512-94FdcR8felat4vaTJyL/WVdtlWLlsnLMZP8v+A0Vru18K3bQ22vn7TtpVh3JlgBFNIlYOUlGqwp/MjRPOnIyCQ==",
+      "funding": {
+        "url": "https://github.com/sponsors/panva"
+      }
+    },
     "node_modules/js-sdsl": {
       "version": "4.3.0",
       "resolved": "https://registry.npmjs.org/js-sdsl/-/js-sdsl-4.3.0.tgz",
@@ -4474,6 +4500,33 @@
         }
       }
     },
+    "node_modules/next-auth": {
+      "version": "4.19.2",
+      "resolved": "https://registry.npmjs.org/next-auth/-/next-auth-4.19.2.tgz",
+      "integrity": "sha512-6V2YG3IJQVhgCAH7mvT3yopTW92gMdUrcwGX7NQ0dCreT/+axGua/JmVdarjec0C/oJukKpIYRgjMlV+L5ZQOQ==",
+      "dependencies": {
+        "@babel/runtime": "^7.16.3",
+        "@panva/hkdf": "^1.0.1",
+        "cookie": "^0.5.0",
+        "jose": "^4.9.3",
+        "oauth": "^0.9.15",
+        "openid-client": "^5.1.0",
+        "preact": "^10.6.3",
+        "preact-render-to-string": "^5.1.19",
+        "uuid": "^8.3.2"
+      },
+      "peerDependencies": {
+        "next": "^12.2.5 || ^13",
+        "nodemailer": "^6.6.5",
+        "react": "^17.0.2 || ^18",
+        "react-dom": "^17.0.2 || ^18"
+      },
+      "peerDependenciesMeta": {
+        "nodemailer": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/next-superjson-plugin": {
       "version": "0.5.4",
       "resolved": "https://registry.npmjs.org/next-superjson-plugin/-/next-superjson-plugin-0.5.4.tgz",
@@ -4500,6 +4553,11 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/oauth": {
+      "version": "0.9.15",
+      "resolved": "https://registry.npmjs.org/oauth/-/oauth-0.9.15.tgz",
+      "integrity": "sha512-a5ERWK1kh38ExDEfoO6qUHJb32rd7aYmPHuyCu3Fta/cnICvYmgd2uhuKXvPD+PXB+gCEYYEaQdIRAjCOwAKNA=="
+    },
     "node_modules/object-assign": {
       "version": "4.1.1",
       "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.1.tgz",
@@ -4508,6 +4566,14 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/object-hash": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/object-hash/-/object-hash-2.2.0.tgz",
+      "integrity": "sha512-gScRMn0bS5fH+IuwyIFgnh9zBdo4DV+6GhygmWM9HyNJSgS0hScp1f5vjtm7oIIOiT9trXrShAkLFSc2IqKNgw==",
+      "engines": {
+        "node": ">= 6"
+      }
+    },
     "node_modules/object-inspect": {
       "version": "1.12.3",
       "resolved": "https://registry.npmjs.org/object-inspect/-/object-inspect-1.12.3.tgz",
@@ -4613,6 +4679,14 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/oidc-token-hash": {
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/oidc-token-hash/-/oidc-token-hash-5.0.1.tgz",
+      "integrity": "sha512-EvoOtz6FIEBzE+9q253HsLCVRiK/0doEJ2HCvvqMQb3dHZrP3WlJKYtJ55CRTw4jmYomzH4wkPuCj/I3ZvpKxQ==",
+      "engines": {
+        "node": "^10.13.0 || >=12.0.0"
+      }
+    },
     "node_modules/once": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
@@ -4637,6 +4711,20 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
+    "node_modules/openid-client": {
+      "version": "5.4.0",
+      "resolved": "https://registry.npmjs.org/openid-client/-/openid-client-5.4.0.tgz",
+      "integrity": "sha512-hgJa2aQKcM2hn3eyVtN12tEA45ECjTJPXCgUh5YzTzy9qwapCvmDTVPWOcWVL0d34zeQoQ/hbG9lJhl3AYxJlQ==",
+      "dependencies": {
+        "jose": "^4.10.0",
+        "lru-cache": "^6.0.0",
+        "object-hash": "^2.0.1",
+        "oidc-token-hash": "^5.0.1"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/panva"
+      }
+    },
     "node_modules/optionator": {
       "version": "0.9.1",
       "resolved": "https://registry.npmjs.org/optionator/-/optionator-0.9.1.tgz",
@@ -4811,6 +4899,26 @@
         "node": "^10 || ^12 || >=14"
       }
     },
+    "node_modules/preact": {
+      "version": "10.12.0",
+      "resolved": "https://registry.npmjs.org/preact/-/preact-10.12.0.tgz",
+      "integrity": "sha512-+w8ix+huD8CNZemheC53IPjMUFk921i02o30u0K6h53spMX41y/QhVDnG/nU2k42/69tvqWmVsgNLIiwRAcmxg==",
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/preact"
+      }
+    },
+    "node_modules/preact-render-to-string": {
+      "version": "5.2.6",
+      "resolved": "https://registry.npmjs.org/preact-render-to-string/-/preact-render-to-string-5.2.6.tgz",
+      "integrity": "sha512-JyhErpYOvBV1hEPwIxc/fHWXPfnEGdRKxc8gFdAZ7XV4tlzyzG847XAyEZqoDnynP88akM4eaHcSOzNcLWFguw==",
+      "dependencies": {
+        "pretty-format": "^3.8.0"
+      },
+      "peerDependencies": {
+        "preact": ">=10"
+      }
+    },
     "node_modules/prelude-ls": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/prelude-ls/-/prelude-ls-1.2.1.tgz",
@@ -4819,14 +4927,19 @@
         "node": ">= 0.8.0"
       }
     },
+    "node_modules/pretty-format": {
+      "version": "3.8.0",
+      "resolved": "https://registry.npmjs.org/pretty-format/-/pretty-format-3.8.0.tgz",
+      "integrity": "sha512-WuxUnVtlWL1OfZFQFuqvnvs6MiAGk9UNsBostyBOB0Is9wb5uRESevA6rnl/rkksXaGX3GzZhPup5d6Vp1nFew=="
+    },
     "node_modules/prisma": {
-      "version": "4.9.0",
-      "resolved": "https://registry.npmjs.org/prisma/-/prisma-4.9.0.tgz",
-      "integrity": "sha512-bS96oZ5oDFXYgoF2l7PJ3Mp1wWWfLOo8B/jAfbA2Pn0Wm5Z/owBHzaMQKS3i1CzVBDWWPVnOohmbJmjvkcHS5w==",
+      "version": "4.10.0",
+      "resolved": "https://registry.npmjs.org/prisma/-/prisma-4.10.0.tgz",
+      "integrity": "sha512-xUHcF3Glc8QGgW8x0rfPITvyyTo04fskUdG7pI4kQbvDX/rhzDP4046x/FvazYqYHXMLR5/KTIi2p2Gth5vKOQ==",
       "devOptional": true,
       "hasInstallScript": true,
       "dependencies": {
-        "@prisma/engines": "4.9.0"
+        "@prisma/engines": "4.10.0"
       },
       "bin": {
         "prisma": "build/index.js",
@@ -5491,6 +5604,20 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/swr": {
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/swr/-/swr-2.0.3.tgz",
+      "integrity": "sha512-sGvQDok/AHEWTPfhUWXEHBVEXmgGnuahyhmRQbjl9XBYxT/MSlAzvXEKQpyM++bMPaI52vcWS2HiKNaW7+9OFw==",
+      "dependencies": {
+        "use-sync-external-store": "^1.2.0"
+      },
+      "engines": {
+        "pnpm": "7"
+      },
+      "peerDependencies": {
+        "react": "^16.11.0 || ^17.0.0 || ^18.0.0"
+      }
+    },
     "node_modules/synckit": {
       "version": "0.8.5",
       "resolved": "https://registry.npmjs.org/synckit/-/synckit-0.8.5.tgz",
@@ -5803,6 +5930,22 @@
         }
       }
     },
+    "node_modules/use-sync-external-store": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/use-sync-external-store/-/use-sync-external-store-1.2.0.tgz",
+      "integrity": "sha512-eEgnFxGQ1Ife9bzYs6VLi8/4X6CObHMw9Qr9tPY43iKwsPw8xE8+EFsf/2cFZ5S3esXgpWgtSCtLNS41F+sKPA==",
+      "peerDependencies": {
+        "react": "^16.8.0 || ^17.0.0 || ^18.0.0"
+      }
+    },
+    "node_modules/uuid": {
+      "version": "8.3.2",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-8.3.2.tgz",
+      "integrity": "sha512-+NYs2QeMWy+GWFOEm9xnn6HCDp0l7QBD7ml8zLUmJ+93Q5NF0NocErnwkTkXVFNiX3/fpC6afS8Dhb/gz7R7eg==",
+      "bin": {
+        "uuid": "dist/bin/uuid"
+      }
+    },
     "node_modules/uvu": {
       "version": "0.5.6",
       "resolved": "https://registry.npmjs.org/uvu/-/uvu-0.5.6.tgz",
@@ -6616,6 +6759,11 @@
         "fastq": "^1.6.0"
       }
     },
+    "@panva/hkdf": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/@panva/hkdf/-/hkdf-1.0.2.tgz",
+      "integrity": "sha512-MSAs9t3Go7GUkMhpKC44T58DJ5KGk2vBo+h1cqQeqlMfdGkxaVB78ZWpv9gYi/g2fa4sopag9gJsNvS8XGgWJA=="
+    },
     "@pkgr/utils": {
       "version": "2.3.1",
       "resolved": "https://registry.npmjs.org/@pkgr/utils/-/utils-2.3.1.tgz",
@@ -6630,23 +6778,23 @@
       }
     },
     "@prisma/client": {
-      "version": "4.9.0",
-      "resolved": "https://registry.npmjs.org/@prisma/client/-/client-4.9.0.tgz",
-      "integrity": "sha512-bz6QARw54sWcbyR1lLnF2QHvRW5R/Jxnbbmwh3u+969vUKXtBkXgSgjDA85nji31ZBlf7+FrHDy5x+5ydGyQDg==",
+      "version": "4.10.0",
+      "resolved": "https://registry.npmjs.org/@prisma/client/-/client-4.10.0.tgz",
+      "integrity": "sha512-sBmYb1S6SMKFIESaLMfKqWSalv3pH73cMCsFt9HslJvYjIIcKQCA6PDL2O4SZGWvc4JBef9cg5Gd7d9x3AtKjw==",
       "requires": {
-        "@prisma/engines-version": "4.9.0-42.ceb5c99003b99c9ee2c1d2e618e359c14aef2ea5"
+        "@prisma/engines-version": "4.10.0-84.ca7fcef713137fa11029d519a9780db130cca91d"
       }
     },
     "@prisma/engines": {
-      "version": "4.9.0",
-      "resolved": "https://registry.npmjs.org/@prisma/engines/-/engines-4.9.0.tgz",
-      "integrity": "sha512-t1pt0Gsp+HcgPJrHFc+d/ZSAaKKWar2G/iakrE07yeKPNavDP3iVKPpfXP22OTCHZUWf7OelwKJxQgKAm5hkgw==",
+      "version": "4.10.0",
+      "resolved": "https://registry.npmjs.org/@prisma/engines/-/engines-4.10.0.tgz",
+      "integrity": "sha512-ZPPo7q+nQZdTlPFedS7mFXPE3oZ2kWtTh3GO4sku0XQ8ikLqEyinuTPJbQCw/8qel2xglIEQicsK6yI4Jgh20A==",
       "devOptional": true
     },
     "@prisma/engines-version": {
-      "version": "4.9.0-42.ceb5c99003b99c9ee2c1d2e618e359c14aef2ea5",
-      "resolved": "https://registry.npmjs.org/@prisma/engines-version/-/engines-version-4.9.0-42.ceb5c99003b99c9ee2c1d2e618e359c14aef2ea5.tgz",
-      "integrity": "sha512-M16aibbxi/FhW7z1sJCX8u+0DriyQYY5AyeTH7plQm9MLnURoiyn3CZBqAyIoQ+Z1pS77usCIibYJWSgleBMBA=="
+      "version": "4.10.0-84.ca7fcef713137fa11029d519a9780db130cca91d",
+      "resolved": "https://registry.npmjs.org/@prisma/engines-version/-/engines-version-4.10.0-84.ca7fcef713137fa11029d519a9780db130cca91d.tgz",
+      "integrity": "sha512-UVpmVlvSaGfY4ue+hh8CTkIesbuXCFUfrr8zk//+u85WwkKfWMtt6nLB2tNSzR1YO8eAA8+HqNf8LM7mnXIq5w=="
     },
     "@rushstack/eslint-patch": {
       "version": "1.2.0",
@@ -7103,6 +7251,11 @@
       "resolved": "https://registry.npmjs.org/convert-source-map/-/convert-source-map-1.9.0.tgz",
       "integrity": "sha512-ASFBup0Mz1uyiIjANan1jzLQami9z1PoYSZCiiYW2FczPbenXc45FZdBZLzOT+r6+iciuEModtmCti+hjaAk0A=="
     },
+    "cookie": {
+      "version": "0.5.0",
+      "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.5.0.tgz",
+      "integrity": "sha512-YZ3GUyn/o8gfKJlnlX7g7xq4gyO6OSuhGPKaaGssGB2qgDUS0gPgtTvoyZLTt9Ab6dC4hfc9dV5arkvc/OCmrw=="
+    },
     "copy-anything": {
       "version": "3.0.3",
       "resolved": "https://registry.npmjs.org/copy-anything/-/copy-anything-3.0.3.tgz",
@@ -8345,6 +8498,11 @@
       "resolved": "https://registry.npmjs.org/isexe/-/isexe-2.0.0.tgz",
       "integrity": "sha512-RHxMLp9lnKHGHRng9QFhRCMbYAcVpn69smSGcq3f36xjgVVWThj4qqLbTLlq7Ssj8B+fIQ1EuCEGI2lKsyQeIw=="
     },
+    "jose": {
+      "version": "4.11.4",
+      "resolved": "https://registry.npmjs.org/jose/-/jose-4.11.4.tgz",
+      "integrity": "sha512-94FdcR8felat4vaTJyL/WVdtlWLlsnLMZP8v+A0Vru18K3bQ22vn7TtpVh3JlgBFNIlYOUlGqwp/MjRPOnIyCQ=="
+    },
     "js-sdsl": {
       "version": "4.3.0",
       "resolved": "https://registry.npmjs.org/js-sdsl/-/js-sdsl-4.3.0.tgz",
@@ -9015,6 +9173,22 @@
         "styled-jsx": "5.1.1"
       }
     },
+    "next-auth": {
+      "version": "4.19.2",
+      "resolved": "https://registry.npmjs.org/next-auth/-/next-auth-4.19.2.tgz",
+      "integrity": "sha512-6V2YG3IJQVhgCAH7mvT3yopTW92gMdUrcwGX7NQ0dCreT/+axGua/JmVdarjec0C/oJukKpIYRgjMlV+L5ZQOQ==",
+      "requires": {
+        "@babel/runtime": "^7.16.3",
+        "@panva/hkdf": "^1.0.1",
+        "cookie": "^0.5.0",
+        "jose": "^4.9.3",
+        "oauth": "^0.9.15",
+        "openid-client": "^5.1.0",
+        "preact": "^10.6.3",
+        "preact-render-to-string": "^5.1.19",
+        "uuid": "^8.3.2"
+      }
+    },
     "next-superjson-plugin": {
       "version": "0.5.4",
       "resolved": "https://registry.npmjs.org/next-superjson-plugin/-/next-superjson-plugin-0.5.4.tgz",
@@ -9034,11 +9208,21 @@
       "resolved": "https://registry.npmjs.org/normalize-path/-/normalize-path-3.0.0.tgz",
       "integrity": "sha512-6eZs5Ls3WtCisHWp9S2GUy8dqkpGi4BVSz3GaqiE6ezub0512ESztXUwUB6C6IKbQkY2Pnb/mD4WYojCRwcwLA=="
     },
+    "oauth": {
+      "version": "0.9.15",
+      "resolved": "https://registry.npmjs.org/oauth/-/oauth-0.9.15.tgz",
+      "integrity": "sha512-a5ERWK1kh38ExDEfoO6qUHJb32rd7aYmPHuyCu3Fta/cnICvYmgd2uhuKXvPD+PXB+gCEYYEaQdIRAjCOwAKNA=="
+    },
     "object-assign": {
       "version": "4.1.1",
       "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.1.tgz",
       "integrity": "sha512-rJgTQnkUnH1sFw8yT6VSU3zD3sWmu6sZhIseY8VX+GRu3P6F7Fu+JNDoXfklElbLJSnc3FUQHVe4cU5hj+BcUg=="
     },
+    "object-hash": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/object-hash/-/object-hash-2.2.0.tgz",
+      "integrity": "sha512-gScRMn0bS5fH+IuwyIFgnh9zBdo4DV+6GhygmWM9HyNJSgS0hScp1f5vjtm7oIIOiT9trXrShAkLFSc2IqKNgw=="
+    },
     "object-inspect": {
       "version": "1.12.3",
       "resolved": "https://registry.npmjs.org/object-inspect/-/object-inspect-1.12.3.tgz",
@@ -9108,6 +9292,11 @@
         "es-abstract": "^1.20.4"
       }
     },
+    "oidc-token-hash": {
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/oidc-token-hash/-/oidc-token-hash-5.0.1.tgz",
+      "integrity": "sha512-EvoOtz6FIEBzE+9q253HsLCVRiK/0doEJ2HCvvqMQb3dHZrP3WlJKYtJ55CRTw4jmYomzH4wkPuCj/I3ZvpKxQ=="
+    },
     "once": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
@@ -9126,6 +9315,17 @@
         "is-wsl": "^2.2.0"
       }
     },
+    "openid-client": {
+      "version": "5.4.0",
+      "resolved": "https://registry.npmjs.org/openid-client/-/openid-client-5.4.0.tgz",
+      "integrity": "sha512-hgJa2aQKcM2hn3eyVtN12tEA45ECjTJPXCgUh5YzTzy9qwapCvmDTVPWOcWVL0d34zeQoQ/hbG9lJhl3AYxJlQ==",
+      "requires": {
+        "jose": "^4.10.0",
+        "lru-cache": "^6.0.0",
+        "object-hash": "^2.0.1",
+        "oidc-token-hash": "^5.0.1"
+      }
+    },
     "optionator": {
       "version": "0.9.1",
       "resolved": "https://registry.npmjs.org/optionator/-/optionator-0.9.1.tgz",
@@ -9239,18 +9439,36 @@
         "source-map-js": "^1.0.2"
       }
     },
+    "preact": {
+      "version": "10.12.0",
+      "resolved": "https://registry.npmjs.org/preact/-/preact-10.12.0.tgz",
+      "integrity": "sha512-+w8ix+huD8CNZemheC53IPjMUFk921i02o30u0K6h53spMX41y/QhVDnG/nU2k42/69tvqWmVsgNLIiwRAcmxg=="
+    },
+    "preact-render-to-string": {
+      "version": "5.2.6",
+      "resolved": "https://registry.npmjs.org/preact-render-to-string/-/preact-render-to-string-5.2.6.tgz",
+      "integrity": "sha512-JyhErpYOvBV1hEPwIxc/fHWXPfnEGdRKxc8gFdAZ7XV4tlzyzG847XAyEZqoDnynP88akM4eaHcSOzNcLWFguw==",
+      "requires": {
+        "pretty-format": "^3.8.0"
+      }
+    },
     "prelude-ls": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/prelude-ls/-/prelude-ls-1.2.1.tgz",
       "integrity": "sha512-vkcDPrRZo1QZLbn5RLGPpg/WmIQ65qoWWhcGKf/b5eplkkarX0m9z8ppCat4mlOqUsWpyNuYgO3VRyrYHSzX5g=="
     },
+    "pretty-format": {
+      "version": "3.8.0",
+      "resolved": "https://registry.npmjs.org/pretty-format/-/pretty-format-3.8.0.tgz",
+      "integrity": "sha512-WuxUnVtlWL1OfZFQFuqvnvs6MiAGk9UNsBostyBOB0Is9wb5uRESevA6rnl/rkksXaGX3GzZhPup5d6Vp1nFew=="
+    },
     "prisma": {
-      "version": "4.9.0",
-      "resolved": "https://registry.npmjs.org/prisma/-/prisma-4.9.0.tgz",
-      "integrity": "sha512-bS96oZ5oDFXYgoF2l7PJ3Mp1wWWfLOo8B/jAfbA2Pn0Wm5Z/owBHzaMQKS3i1CzVBDWWPVnOohmbJmjvkcHS5w==",
+      "version": "4.10.0",
+      "resolved": "https://registry.npmjs.org/prisma/-/prisma-4.10.0.tgz",
+      "integrity": "sha512-xUHcF3Glc8QGgW8x0rfPITvyyTo04fskUdG7pI4kQbvDX/rhzDP4046x/FvazYqYHXMLR5/KTIi2p2Gth5vKOQ==",
       "devOptional": true,
       "requires": {
-        "@prisma/engines": "4.9.0"
+        "@prisma/engines": "4.10.0"
       }
     },
     "prismjs": {
@@ -9698,6 +9916,14 @@
       "resolved": "https://registry.npmjs.org/supports-preserve-symlinks-flag/-/supports-preserve-symlinks-flag-1.0.0.tgz",
       "integrity": "sha512-ot0WnXS9fgdkgIcePe6RHNk1WA8+muPa6cSjeR3V8K27q9BB1rTE3R1p7Hv0z1ZyAc8s6Vvv8DIyWf681MAt0w=="
     },
+    "swr": {
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/swr/-/swr-2.0.3.tgz",
+      "integrity": "sha512-sGvQDok/AHEWTPfhUWXEHBVEXmgGnuahyhmRQbjl9XBYxT/MSlAzvXEKQpyM++bMPaI52vcWS2HiKNaW7+9OFw==",
+      "requires": {
+        "use-sync-external-store": "^1.2.0"
+      }
+    },
     "synckit": {
       "version": "0.8.5",
       "resolved": "https://registry.npmjs.org/synckit/-/synckit-0.8.5.tgz",
@@ -9907,6 +10133,17 @@
       "integrity": "sha512-49L8yCO3iGT/ZF9QttjwLF/ZD9Iwto5LnH5LmEdk/6cFmXddqi2ulF0edxTwjj+7mqvpVVGQWvbXZdn32wRSHA==",
       "requires": {}
     },
+    "use-sync-external-store": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/use-sync-external-store/-/use-sync-external-store-1.2.0.tgz",
+      "integrity": "sha512-eEgnFxGQ1Ife9bzYs6VLi8/4X6CObHMw9Qr9tPY43iKwsPw8xE8+EFsf/2cFZ5S3esXgpWgtSCtLNS41F+sKPA==",
+      "requires": {}
+    },
+    "uuid": {
+      "version": "8.3.2",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-8.3.2.tgz",
+      "integrity": "sha512-+NYs2QeMWy+GWFOEm9xnn6HCDp0l7QBD7ml8zLUmJ+93Q5NF0NocErnwkTkXVFNiX3/fpC6afS8Dhb/gz7R7eg=="
+    },
     "uvu": {
       "version": "0.5.6",
       "resolved": "https://registry.npmjs.org/uvu/-/uvu-0.5.6.tgz",
diff --git a/package.json b/package.json
index 1307367..7c373b1 100644
--- a/package.json
+++ b/package.json
@@ -10,13 +10,14 @@
   },
   "dependencies": {
     "@next/font": "13.1.6",
-    "@prisma/client": "^4.9.0",
+    "@prisma/client": "^4.10.0",
     "@types/node": "18.11.19",
     "@types/react": "18.0.27",
     "@types/react-dom": "18.0.10",
     "eslint": "8.33.0",
     "eslint-config-next": "13.1.6",
     "next": "13.1.6",
+    "next-auth": "^4.19.2",
     "next-superjson-plugin": "^0.5.4",
     "react": "18.2.0",
     "react-dom": "18.2.0",
@@ -27,12 +28,13 @@
     "remark-gfm": "^3.0.1",
     "remark-stringify": "^10.0.2",
     "sass": "^1.58.0",
+    "swr": "^2.0.3",
     "typescript": "4.9.5",
     "url-join": "^5.0.0"
   },
   "devDependencies": {
     "@types/react-select": "^5.0.1",
     "@types/react-syntax-highlighter": "^15.5.6",
-    "prisma": "^4.9.0"
+    "prisma": "^4.10.0"
   }
 }
diff --git a/pages/_app.tsx b/pages/_app.tsx
index 669de45..ba425f8 100644
--- a/pages/_app.tsx
+++ b/pages/_app.tsx
@@ -8,16 +8,17 @@ import Footer from "@/components/Footer";
 import Nav from "@/components/Nav";
 import { Category } from "@prisma/client";
 import prisma from "@/lib/prisma";
+import { SessionProvider } from "next-auth/react";
 
-export default function App({ Component, pageProps }: AppProps) {
+export default function App({ Component, pageProps: { session, ...pageProps } }: AppProps) {
   return (
-    <>
+    <SessionProvider session={session}>
       <header>
         <Nav />
         <AdminNav />
       </header>
       <Component {...pageProps} />
       <Footer />
-    </>
+    </SessionProvider>
   );
 }
diff --git a/pages/admin/editor/article/[articleId].tsx b/pages/admin/editor/article/[articleId].tsx
index d6d207c..5097e50 100644
--- a/pages/admin/editor/article/[articleId].tsx
+++ b/pages/admin/editor/article/[articleId].tsx
@@ -13,9 +13,13 @@ import { apiUrl } from "@/global";
 import Markdown from "@/components/Markdown";
 import prisma, { ArticleWithIncludes, CategoryWithIncludes } from "@/lib/prisma";
 import { CLIENT_RENEG_LIMIT } from "tls";
+import { useSession } from "next-auth/react";
 
 export default function AdminArticlesEditorPage({ article, categories }: { article: ArticleWithIncludes | null; categories: CategoryWithIncludes[] }) {
   const router = useRouter();
+  const { status } = useSession({
+    required: true,
+  });
 
   const [title, setTitle] = useState<string>(article?.title ?? "");
   const [selectCategoriesOptions, setSelectCategoriesOptions] = useState<{ value: string; label: string }[]>(
@@ -116,132 +120,136 @@ export default function AdminArticlesEditorPage({ article, categories }: { artic
       .catch(console.error);
   }
 
-  return (
-    <div className={styles.adminArticlesCreate}>
-      <h1>{article ? "Update article" : "Create new article"}</h1>
-      <div className={styles.formControl}>
-        <p className="text-error" ref={errorTextRef}></p>
-        <button
-          type="button"
-          onClick={() => {
-            if (article) {
-              updateArticle();
-            } else {
-              createArticle();
-            }
-          }}
-        >
-          {article ? "Update article" : "Create article"}
-        </button>
-      </div>
+  if (status === "authenticated") {
+    return (
+      <div className={styles.adminArticlesCreate}>
+        <h1>{article ? "Update article" : "Create new article"}</h1>
+        <div className={styles.formControl}>
+          <p className="text-error" ref={errorTextRef}></p>
+          <button
+            type="button"
+            onClick={() => {
+              if (article) {
+                updateArticle();
+              } else {
+                createArticle();
+              }
+            }}
+          >
+            {article ? "Update article" : "Create article"}
+          </button>
+        </div>
 
-      <div className={styles.form}>
-        <div className={styles.articleEditor}>
-          <div className={styles.title}>
-            <label htmlFor="title">Title</label>
+        <div className={styles.form}>
+          <div className={styles.articleEditor}>
+            <div className={styles.title}>
+              <label htmlFor="title">Title</label>
 
-            <div className={styles.titleInputs}>
+              <div className={styles.titleInputs}>
+                <input
+                  onChange={(e: React.ChangeEvent<HTMLInputElement>) => {
+                    setTitle(e.target.value);
+                  }}
+                  className={!isValidText(title) && title ? "error" : ""}
+                  type="text"
+                  name="title"
+                  placeholder="title"
+                  ref={titleRef}
+                  defaultValue={title}
+                />
+                <input readOnly={true} className={""} type="text" name="name" value={title ? formatTextToUrlName(title) : ""} />
+              </div>
+            </div>
+            <div className={styles.category}>
+              <label htmlFor="title">Category</label>
+              <Select
+                ref={categorySelectRef}
+                className="react-select-container"
+                classNamePrefix="react-select"
+                options={selectCategoriesOptions}
+                defaultValue={article ? { value: article.category.id, label: article.category.title } : {}}
+              />
+            </div>
+            <div className={styles.introduction}>
+              <label htmlFor="title">Introduction</label>
               <input
                 onChange={(e: React.ChangeEvent<HTMLInputElement>) => {
-                  setTitle(e.target.value);
+                  setIntroduction(e.target.value);
                 }}
-                className={!isValidText(title) && title ? "error" : ""}
+                className={!isValidText(introduction) && introduction ? "error" : ""}
                 type="text"
-                name="title"
-                placeholder="title"
-                ref={titleRef}
-                defaultValue={title}
+                name="introduction"
+                placeholder="Introduction"
+                ref={introductionRef}
+                defaultValue={introduction}
               />
-              <input readOnly={true} className={""} type="text" name="name" value={title ? formatTextToUrlName(title) : ""} />
             </div>
-          </div>
-          <div className={styles.category}>
-            <label htmlFor="title">Category</label>
-            <Select
-              ref={categorySelectRef}
-              className="react-select-container"
-              classNamePrefix="react-select"
-              options={selectCategoriesOptions}
-              defaultValue={article ? { value: article.category.id, label: article.category.title } : {}}
-            />
-          </div>
-          <div className={styles.introduction}>
-            <label htmlFor="title">Introduction</label>
-            <input
-              onChange={(e: React.ChangeEvent<HTMLInputElement>) => {
-                setIntroduction(e.target.value);
-              }}
-              className={!isValidText(introduction) && introduction ? "error" : ""}
-              type="text"
-              name="introduction"
-              placeholder="Introduction"
-              ref={introductionRef}
-              defaultValue={introduction}
-            />
-          </div>
-          <div className={styles.markdown}>
-            <label htmlFor="">Markdown Editor</label>
-            <div className={styles.markdownEditor}>
-              <textarea
-                ref={markdownTextAreaRef}
-                onChange={(e: React.ChangeEvent<HTMLTextAreaElement>) => {
-                  setMarkdown(e.target.value);
-                }}
-                defaultValue={markdown}
-              ></textarea>
-              <Markdown value={markdown} />
-            </div>
-          </div>
-
-          <div className={styles.contentTable}>
-            <label htmlFor="">Table of contents</label>
-            <div className={styles.contentTableEditor}>
-              <div className={styles.entries}>
-                {contentTable?.map((entry: IContentTableEntry, i: number) => {
-                  return (
-                    <div key={i}>
-                      <input
-                        onChange={(e) => {
-                          changeContentTableEntryAnchor(i, e.target.value);
-                        }}
-                        type="text"
-                        placeholder={"Anchor"}
-                        defaultValue={entry.anchor}
-                      />
-                      <input
-                        onChange={(e) => {
-                          changeContentTableEntryTitle(i, e.target.value);
-                        }}
-                        type="text"
-                        placeholder={"Title"}
-                        defaultValue={entry.title}
-                      />{" "}
-                      <button
-                        onClick={() => {
-                          removeEntry(i);
-                        }}
-                      >
-                        Remove
-                      </button>
-                    </div>
-                  );
-                })}
-
-                <button
-                  onClick={() => {
-                    setContentTable([...contentTable, { title: "", anchor: "" }]);
+            <div className={styles.markdown}>
+              <label htmlFor="">Markdown Editor</label>
+              <div className={styles.markdownEditor}>
+                <textarea
+                  ref={markdownTextAreaRef}
+                  onChange={(e: React.ChangeEvent<HTMLTextAreaElement>) => {
+                    setMarkdown(e.target.value);
                   }}
-                >
-                  Add
-                </button>
+                  defaultValue={markdown}
+                ></textarea>
+                <Markdown value={markdown} />
+              </div>
+            </div>
+
+            <div className={styles.contentTable}>
+              <label htmlFor="">Table of contents</label>
+              <div className={styles.contentTableEditor}>
+                <div className={styles.entries}>
+                  {contentTable?.map((entry: IContentTableEntry, i: number) => {
+                    return (
+                      <div key={i}>
+                        <input
+                          onChange={(e) => {
+                            changeContentTableEntryAnchor(i, e.target.value);
+                          }}
+                          type="text"
+                          placeholder={"Anchor"}
+                          defaultValue={entry.anchor}
+                        />
+                        <input
+                          onChange={(e) => {
+                            changeContentTableEntryTitle(i, e.target.value);
+                          }}
+                          type="text"
+                          placeholder={"Title"}
+                          defaultValue={entry.title}
+                        />{" "}
+                        <button
+                          onClick={() => {
+                            removeEntry(i);
+                          }}
+                        >
+                          Remove
+                        </button>
+                      </div>
+                    );
+                  })}
+
+                  <button
+                    onClick={() => {
+                      setContentTable([...contentTable, { title: "", anchor: "" }]);
+                    }}
+                  >
+                    Add
+                  </button>
+                </div>
+                <Markdown value={markdown} />
               </div>
-              <Markdown value={markdown} />
             </div>
           </div>
         </div>
       </div>
-    </div>
-  );
+    );
+  } else {
+    return <></>;
+  }
 }
 
 export async function getServerSideProps(context: any) {
diff --git a/pages/admin/editor/category/[categoryId].tsx b/pages/admin/editor/category/[categoryId].tsx
index 209558f..23e6f39 100644
--- a/pages/admin/editor/category/[categoryId].tsx
+++ b/pages/admin/editor/category/[categoryId].tsx
@@ -9,8 +9,13 @@ import { useRouter } from "next/navigation";
 import { useEffect } from "react";
 import { apiUrl } from "@/global";
 import prisma, { CategoryWithIncludes } from "@/lib/prisma";
+import { useSession } from "next-auth/react";
 
 export default function AdminCategoriesEditor({ category }: { category: CategoryWithIncludes | null }) {
+  const { status } = useSession({
+    required: true,
+  });
+
   const router = useRouter();
   const [title, setTitle] = useState<string>(category?.title ?? "");
   const [color, setColor] = useState<string>(category?.color ?? "");
@@ -85,80 +90,84 @@ export default function AdminCategoriesEditor({ category }: { category: Category
       .catch(console.error);
   }
 
-  return (
-    <div className={styles.categoryEditor}>
-      <h1>{category ? "Update category" : "Create new category"}</h1>
-      <div className={styles.formControl}>
-        <p className="text-error" ref={errorTextRef}></p>
-        <button
-          type="button"
-          onClick={() => {
-            if (category) {
-              updateCategory();
-            } else {
-              createCategory();
-            }
-          }}
-        >
-          {category ? "Update category" : "Create category"}
-        </button>
-      </div>
-      <div className={styles.form}>
-        <div className={styles.title}>
-          <label htmlFor="title">Title</label>
-          <div className={styles.titleInputs}>
-            <input
-              onChange={(e: React.ChangeEvent<HTMLInputElement>) => {
-                setTitle(e.target.value);
-              }}
-              className={!isValidText(title) && title ? "error" : ""}
-              type="text"
-              name="title"
-              placeholder="title"
-              ref={titleRef}
-              defaultValue={title}
-            />
-            <input readOnly={true} className={""} type="text" name="name" value={title ? formatTextToUrlName(title) : ""} />
-          </div>
-          <div className={styles.svg}>
-            <label>SVG</label>
-            <div className={styles.svgInputs}>
+  if (status === "authenticated") {
+    return (
+      <div className={styles.categoryEditor}>
+        <h1>{category ? "Update category" : "Create new category"}</h1>
+        <div className={styles.formControl}>
+          <p className="text-error" ref={errorTextRef}></p>
+          <button
+            type="button"
+            onClick={() => {
+              if (category) {
+                updateCategory();
+              } else {
+                createCategory();
+              }
+            }}
+          >
+            {category ? "Update category" : "Create category"}
+          </button>
+        </div>
+        <div className={styles.form}>
+          <div className={styles.title}>
+            <label htmlFor="title">Title</label>
+            <div className={styles.titleInputs}>
               <input
                 onChange={(e: React.ChangeEvent<HTMLInputElement>) => {
-                  setSvgPath(e.target.value);
+                  setTitle(e.target.value);
                 }}
+                className={!isValidText(title) && title ? "error" : ""}
                 type="text"
-                placeholder="svg path"
-                ref={svgPathRef}
-                defaultValue={svgPath}
+                name="title"
+                placeholder="title"
+                ref={titleRef}
+                defaultValue={title}
               />
+              <input readOnly={true} className={""} type="text" name="name" value={title ? formatTextToUrlName(title) : ""} />
+            </div>
+            <div className={styles.svg}>
+              <label>SVG</label>
+              <div className={styles.svgInputs}>
+                <input
+                  onChange={(e: React.ChangeEvent<HTMLInputElement>) => {
+                    setSvgPath(e.target.value);
+                  }}
+                  type="text"
+                  placeholder="svg path"
+                  ref={svgPathRef}
+                  defaultValue={svgPath}
+                />
+                <input
+                  onChange={(e: React.ChangeEvent<HTMLInputElement>) => {
+                    setSvgViewbox(e.target.value);
+                  }}
+                  type="text"
+                  placeholder="0 0 512 512"
+                  ref={svgViewboxRef}
+                  defaultValue={svgViewbox}
+                />
+              </div>
+            </div>
+
+            <div className={styles.color}>
+              <label>Color</label>
               <input
                 onChange={(e: React.ChangeEvent<HTMLInputElement>) => {
-                  setSvgViewbox(e.target.value);
+                  setColor(e.target.value);
                 }}
-                type="text"
-                placeholder="0 0 512 512"
-                ref={svgViewboxRef}
-                defaultValue={svgViewbox}
+                type="color"
+                ref={colorRef}
+                defaultValue={color}
               />
             </div>
           </div>
-
-          <div className={styles.color}>
-            <label>Color</label>
-            <input
-              onChange={(e: React.ChangeEvent<HTMLInputElement>) => {
-                setColor(e.target.value);
-              }}
-              type="color"
-              ref={colorRef}
-              defaultValue={color}
-            />
-          </div>
         </div>
       </div>
-    </div>
-  );
+    );
+  } else {
+    return <></>;
+  }
 }
 
 export async function getServerSideProps(context: any) {
diff --git a/pages/api/articles/[articleId].ts b/pages/api/articles/[articleId].ts
index 4db8bb6..64e8d4a 100644
--- a/pages/api/articles/[articleId].ts
+++ b/pages/api/articles/[articleId].ts
@@ -6,66 +6,72 @@ import prisma, { ArticleWithIncludes } from "../../../lib/prisma";
 import type { NextApiRequest, NextApiResponse } from 'next'
 import { UpdateArticle } from "../../../types/api";
 import { isValidText } from "../../../validators";
+import { getServerSession } from "next-auth/next";
+import { authOptions } from "../auth/[...nextauth]";
 
 
 export default async function handler(req: NextApiRequest, res: NextApiResponse) {
-  const articleId: string = formatTextToUrlName(req.query?.articleId?.toString() ?? "")
-
-  if (req.method == "PUT") {//* PUT
-    console.log("PUT")
+  const session = await getServerSession(req, res, authOptions);
+  if (session) {
+    const articleId: string = formatTextToUrlName(req.query?.articleId?.toString() ?? "")
+    if (req.method == "PUT") {//* PUT
+      console.log("PUT")
 
 
-    console.log(`API articleId: ${articleId}`)
-    const articleData: UpdateArticle = req.body;
+      console.log(`API articleId: ${articleId}`)
+      const articleData: UpdateArticle = req.body;
 
-    if (articleData.title && !isValidText(articleData.title)) {
-      res.json({ target: "title", error: "Not a valid title" });
-      return;
-    }
-
-    if (articleData.introduction && !isValidText(articleData.introduction)) {
-      res.json({ target: "introduction", error: "Not a valid introduction" });
-      return;
-    }
-
-    const newArticle: Prisma.ArticleUncheckedUpdateInput = {
-      title: articleData.title ?? undefined,
-      name: articleData.title ? formatTextToUrlName(articleData.title) : undefined,
-      introduction: articleData.introduction ?? undefined,
-
-      categoryId: articleData.categoryId ?? undefined,
-      contentTable: articleData.contentTable ?? undefined,
-      markdown: articleData.markdown ?? undefined,
-      imageUrl: articleData.imageUrl ?? undefined,
-    }
-    console.log(newArticle)
-    await prisma.article.update({ data: newArticle, where: { id: articleId }, include: { category: true } })
-      .then(
-        (data) => {
-          res.json({ success: true, data: data });
-        },
-        (errorReason) => {
-          console.log(errorReason)
-          if (errorReason.code === "P2002") {
-            res.json({ target: errorReason.meta.target[0], error: "Already exists" });
-          }
-        }
-      )
-      .catch((err) => {
-        console.error(err);
-        res.status(500).end();
-      });
-  } else if (req.method == "DELETE") {
-    console.log("DELETE article")
-    prisma.article.delete({ where: { id: articleId }, include: { category: true } }).then((result: ArticleWithIncludes | null) => {
-      if (result) {
-        res.status(200).json(result)
-      } else {
-        res.status(500).json({ error: true, message: "No article found" })
+      if (articleData.title && !isValidText(articleData.title)) {
+        res.json({ target: "title", error: "Not a valid title" });
+        return;
       }
-    }, (err) => {
-      console.log(err)
-      res.status(500).end(err)
-    })
+
+      if (articleData.introduction && !isValidText(articleData.introduction)) {
+        res.json({ target: "introduction", error: "Not a valid introduction" });
+        return;
+      }
+
+      const newArticle: Prisma.ArticleUncheckedUpdateInput = {
+        title: articleData.title ?? undefined,
+        name: articleData.title ? formatTextToUrlName(articleData.title) : undefined,
+        introduction: articleData.introduction ?? undefined,
+
+        categoryId: articleData.categoryId ?? undefined,
+        contentTable: articleData.contentTable ?? undefined,
+        markdown: articleData.markdown ?? undefined,
+        imageUrl: articleData.imageUrl ?? undefined,
+      }
+      console.log(newArticle)
+      await prisma.article.update({ data: newArticle, where: { id: articleId }, include: { category: true } })
+        .then(
+          (data) => {
+            res.json({ success: true, data: data });
+          },
+          (errorReason) => {
+            console.log(errorReason)
+            if (errorReason.code === "P2002") {
+              res.json({ target: errorReason.meta.target[0], error: "Already exists" });
+            }
+          }
+        )
+        .catch((err) => {
+          console.error(err);
+          res.status(500).end();
+        });
+    } else if (req.method == "DELETE") {
+      console.log("DELETE article")
+      prisma.article.delete({ where: { id: articleId }, include: { category: true } }).then((result: ArticleWithIncludes | null) => {
+        if (result) {
+          res.status(200).json(result)
+        } else {
+          res.status(500).json({ error: true, message: "No article found" })
+        }
+      }, (err) => {
+        console.log(err)
+        res.status(500).end(err)
+      })
+    }
+  } else {
+    res.status(403).json({ error: true, message: "Authorization Required" });
   }
 }
diff --git a/pages/api/articles/index.ts b/pages/api/articles/index.ts
index 768d372..eedfb88 100644
--- a/pages/api/articles/index.ts
+++ b/pages/api/articles/index.ts
@@ -6,56 +6,64 @@ import { isValidText } from "../../../validators";
 
 import type { NextApiRequest, NextApiResponse } from 'next'
 import { Prisma } from '@prisma/client';
+import { getServerSession } from 'next-auth';
+import { authOptions } from "../auth/[...nextauth]";
 
 export default async function handler(req: NextApiRequest, res: NextApiResponse) {
-  if (req.method == "POST") { //* POST
-    console.log("API new article")
-    const articleData: CreateArticle = req.body
-    console.log(articleData)
+  const session = await getServerSession(req, res, authOptions);
+  if (session) {
+    if (req.method == "POST") { //* POST
+      console.log("API new article")
+      const articleData: CreateArticle = req.body
+      console.log(articleData)
 
 
-    if (!isValidText(articleData.title)) {
-      res.status(500).json({ target: "title", error: "Not a valid title" });
-      return;
-    }
+      if (!isValidText(articleData.title)) {
+        res.status(500).json({ target: "title", error: "Not a valid title" });
+        return;
+      }
 
-    if (!isValidText(articleData.introduction)) {
-      res.status(500).json({ target: "introduction", error: "Not a valid introduction" });
-      return;
-    }
+      if (!isValidText(articleData.introduction)) {
+        res.status(500).json({ target: "introduction", error: "Not a valid introduction" });
+        return;
+      }
 
-    if (!articleData.categoryId) {
-      res.status(500).json({ target: "category", error: "Category is required" });
-      return;
-    }
+      if (!articleData.categoryId) {
+        res.status(500).json({ target: "category", error: "Category is required" });
+        return;
+      }
 
-    const newArticle: Prisma.ArticleUncheckedCreateInput = {
-      title: articleData.title,
-      name: formatTextToUrlName(articleData.title),
-      introduction: articleData.introduction,
-      categoryId: articleData.categoryId,
-      markdown: articleData.markdown ?? "",
-      contentTable: articleData.contentTable ?? {},
-      imageUrl: articleData.imageUrl ?? ""
-    }
+      const newArticle: Prisma.ArticleUncheckedCreateInput = {
+        title: articleData.title,
+        name: formatTextToUrlName(articleData.title),
+        introduction: articleData.introduction,
+        categoryId: articleData.categoryId,
+        markdown: articleData.markdown ?? "",
+        contentTable: articleData.contentTable ?? {},
+        imageUrl: articleData.imageUrl ?? ""
+      }
 
-    prisma.article
-      .create({ data: newArticle, include: { category: true } })
-      .then(
-        (data: ArticleWithIncludes) => {
-          res.json({ success: true, data: data });
-        },
-        (errorReason) => {
-          console.log("reason", errorReason)
-          if (errorReason.code === "P2002") {
-            res.json({ target: errorReason.meta.target[0], error: "Already exists" });
+      prisma.article
+        .create({ data: newArticle, include: { category: true } })
+        .then(
+          (data: ArticleWithIncludes) => {
+            res.json({ success: true, data: data });
+          },
+          (errorReason) => {
+            console.log("reason", errorReason)
+            if (errorReason.code === "P2002") {
+              res.json({ target: errorReason.meta.target[0], error: "Already exists" });
+            }
           }
-        }
-      )
-      .catch((err) => {
-        console.error(err);
-        res.status(500).end();
-      });
+        )
+        .catch((err) => {
+          console.error(err);
+          res.status(500).end();
+        });
+    }
+  } else {
+    res.status(403).json({ error: true, message: "Authorization Required" });
   }
 
+
 }
diff --git a/pages/api/auth/[...nextauth].ts b/pages/api/auth/[...nextauth].ts
new file mode 100644
index 0000000..63aa665
--- /dev/null
+++ b/pages/api/auth/[...nextauth].ts
@@ -0,0 +1,30 @@
+import NextAuth, { AuthOptions } from "next-auth"
+import GithubProvider from "next-auth/providers/github"
+export const authOptions: AuthOptions = {
+  // Configure one or more authentication providers
+  providers: [
+    GithubProvider({
+      clientId: "1afc604704e6ac0149e3", //! env vars
+      clientSecret: "b8f76990fc0a9181eaba23359a27b2d140ab67e7",  //! env vars
+    }),
+    // ...add more providers here
+  ], callbacks: {
+    async signIn({ user, account, profile, email, credentials }) {
+
+      if (user.id.toString() == "76851529") { //! env vars
+        return true
+      } else {
+        // Return false to display a default error message
+        return false
+        // Or you can return a URL to redirect to:
+        // return '/unauthorized'
+      }
+    }
+  },
+  secret: "@AWeFkHpv!jzVr^a9nRXS8^PcRFnDaLvt65mJb&*C^pcCgpbHFzzKN",
+
+
+
+}
+export default NextAuth(authOptions)
+
diff --git a/pages/api/categories/[categoryId].ts b/pages/api/categories/[categoryId].ts
index d4d47d5..f29a63e 100644
--- a/pages/api/categories/[categoryId].ts
+++ b/pages/api/categories/[categoryId].ts
@@ -7,76 +7,83 @@ import type { NextApiRequest, NextApiResponse } from 'next'
 import { formatTextToUrlName } from "../../../utils";
 import { isValidText } from "../../../validators";
 import { UpdateCategory } from '../../../types/api';
+import { getServerSession } from "next-auth";
+import { authOptions } from "../auth/[...nextauth]";
 
 export default async function handler(req: NextApiRequest, res: NextApiResponse) {
   const categoryId: string = req.query.categoryId?.toString() ?? "";
 
-  if (req.method == "PUT") {
+  const session = await getServerSession(req, res, authOptions);
+  if (session) {
+    if (req.method == "PUT") {
 
-    const categoryData: UpdateCategory = req.body;
+      const categoryData: UpdateCategory = req.body;
 
-    if (categoryData.title && !isValidText(categoryData.title)) {
-      res.json({ target: "title", error: "Not a valid title" });
-      return;
-    }
-
-    const newSvg: Prisma.SvgUncheckedUpdateInput = {
-      viewbox: categoryData.svg?.viewbox ?? undefined,
-      path: categoryData.svg?.path ?? undefined,
-    };
-
-    const newCategory: Prisma.CategoryUncheckedUpdateInput = {
-      title: categoryData.title ?? undefined,
-      name: categoryData.title ? formatTextToUrlName(categoryData.title) : undefined,
-      color: categoryData.color ?? undefined,
-    };
-
-    await prisma.category
-      .update({
-        data: newCategory,
-        where: { id: categoryId },
-        include: { svg: true },
-      })
-      .then(
-        async (categoryData) => {
-          await prisma.svg
-            .update({ data: newSvg, where: { id: categoryData.svg.id } })
-            .then(
-              (svgData) => {
-                console.log("3");
-                res.json({ success: true, data: categoryData });
-              },
-              (errorReason) => {
-                res.status(500).end(errorReason);
-              }
-            )
-            .catch((err) => {
-              console.error(err);
-              res.status(500).end();
-            });
-        },
-        (errorReason) => {
-          console.log(errorReason);
-          if (errorReason.code === "P2002") {
-            res.json({ target: errorReason.meta.target[0], error: "Already exists" });
-          }
-        }
-      )
-      .catch((err) => {
-        console.error(err);
-        res.status(500).end();
-      });
-  } else if (req.method == "DELETE") {
-    console.log("DELETE category")
-    prisma.category.delete({ where: { id: categoryId }, include: { articles: true, svg: true } }).then((result: CategoryWithIncludes | null) => {
-      if (result) {
-        res.status(200).json(result)
-      } else {
-        res.status(500).json({ error: true, message: "No category found" })
+      if (categoryData.title && !isValidText(categoryData.title)) {
+        res.json({ target: "title", error: "Not a valid title" });
+        return;
       }
-    }, (err) => {
-      console.log(err)
-      res.status(500).end(err)
-    })
+
+      const newSvg: Prisma.SvgUncheckedUpdateInput = {
+        viewbox: categoryData.svg?.viewbox ?? undefined,
+        path: categoryData.svg?.path ?? undefined,
+      };
+
+      const newCategory: Prisma.CategoryUncheckedUpdateInput = {
+        title: categoryData.title ?? undefined,
+        name: categoryData.title ? formatTextToUrlName(categoryData.title) : undefined,
+        color: categoryData.color ?? undefined,
+      };
+
+      await prisma.category
+        .update({
+          data: newCategory,
+          where: { id: categoryId },
+          include: { svg: true },
+        })
+        .then(
+          async (categoryData) => {
+            await prisma.svg
+              .update({ data: newSvg, where: { id: categoryData.svg.id } })
+              .then(
+                (svgData) => {
+                  console.log("3");
+                  res.json({ success: true, data: categoryData });
+                },
+                (errorReason) => {
+                  res.status(500).end(errorReason);
+                }
+              )
+              .catch((err) => {
+                console.error(err);
+                res.status(500).end();
+              });
+          },
+          (errorReason) => {
+            console.log(errorReason);
+            if (errorReason.code === "P2002") {
+              res.json({ target: errorReason.meta.target[0], error: "Already exists" });
+            }
+          }
+        )
+        .catch((err) => {
+          console.error(err);
+          res.status(500).end();
+        });
+    } else if (req.method == "DELETE") {
+      console.log("DELETE category")
+      prisma.category.delete({ where: { id: categoryId }, include: { articles: true, svg: true } }).then((result: CategoryWithIncludes | null) => {
+        if (result) {
+          res.status(200).json(result)
+        } else {
+          res.status(500).json({ error: true, message: "No category found" })
+        }
+      }, (err) => {
+        console.log(err)
+        res.status(500).end(err)
+      })
+    }
+  } else {
+    res.status(403).json({ error: true, message: "Authorization Required" });
   }
 }
diff --git a/pages/api/categories/index.ts b/pages/api/categories/index.ts
index c0d2db2..0f35eb0 100644
--- a/pages/api/categories/index.ts
+++ b/pages/api/categories/index.ts
@@ -8,8 +8,12 @@ import { isValidText } from "../../../validators";
 
 import type { NextApiRequest, NextApiResponse } from 'next'
 import { CreateCategory } from "@/types/api";
+import { getServerSession } from "next-auth";
+import { authOptions } from "../auth/[...nextauth]";
 
 export default async function handler(req: NextApiRequest, res: NextApiResponse) {
+  const session = await getServerSession(req, res, authOptions);
+
   if (req.method == "GET") {
     console.log("API get categories")
     await prisma.category.findMany().then((result: Category[]) => {
@@ -22,65 +26,69 @@ export default async function handler(req: NextApiRequest, res: NextApiResponse)
     })
   } else
     if (req.method == "POST") {
-      console.log("API new category")
-      const categoryData: CreateCategory = req.body;
-      console.log(categoryData)
+      if (session) {
+        console.log("API new category")
+        const categoryData: CreateCategory = req.body;
+        console.log(categoryData)
 
-      if (!isValidText(categoryData.title)) {
-        res.json({ target: "title", error: "Not a valid title" });
-        return;
-      }
+        if (!isValidText(categoryData.title)) {
+          res.json({ target: "title", error: "Not a valid title" });
+          return;
+        }
 
-      categoryData.svg.viewbox = categoryData.svg.viewbox.length > 1 ? categoryData.svg.viewbox : "";
+        categoryData.svg.viewbox = categoryData.svg.viewbox.length > 1 ? categoryData.svg.viewbox : "";
 
-      const newSvg: Prisma.SvgUncheckedCreateInput = {
-        viewbox: categoryData.svg.viewbox,
-        path: categoryData.svg.path
-      }
+        const newSvg: Prisma.SvgUncheckedCreateInput = {
+          viewbox: categoryData.svg.viewbox,
+          path: categoryData.svg.path
+        }
 
-      await prisma.svg
-        .create({ data: newSvg })
-        .then(
-          async (createdSvg: Svg) => {
-            const newCategory: Prisma.CategoryUncheckedCreateInput = {
-              title: categoryData.title,
-              name: formatTextToUrlName(categoryData.title),
-              color: categoryData.color ?? "teal",
-              svgId: createdSvg.id,
+        await prisma.svg
+          .create({ data: newSvg })
+          .then(
+            async (createdSvg: Svg) => {
+              const newCategory: Prisma.CategoryUncheckedCreateInput = {
+                title: categoryData.title,
+                name: formatTextToUrlName(categoryData.title),
+                color: categoryData.color ?? "teal",
+                svgId: createdSvg.id,
+              }
+
+              await prisma.category
+                .create({
+                  data: newCategory,
+                  include: { svg: true, articles: true },
+                })
+                .then(
+                  (createdCategory: CategoryWithIncludes | null) => {
+                    if (createdCategory) {
+                      res.json({ success: true, data: createdCategory });
+                    } else {
+                      res.json({ error: true, message: "Could not create category" });
+                    }
+                  },
+                  (errorReason) => {
+                    console.log(errorReason)
+                    if (errorReason.code === "P2002") {
+                      res.json({ target: errorReason.meta.target[0], error: "Already exists" });
+                    }
+                  }
+                )
+                .catch((err) => {
+                  console.error(err);
+                  res.status(500).end();
+                });
+            },
+            (errorReason) => {
+              res.status(500).end(errorReason);
             }
-
-            await prisma.category
-              .create({
-                data: newCategory,
-                include: { svg: true, articles: true },
-              })
-              .then(
-                (createdCategory: CategoryWithIncludes | null) => {
-                  if (createdCategory) {
-                    res.json({ success: true, data: createdCategory });
-                  } else {
-                    res.json({ error: true, message: "Could not create category" });
-                  }
-                },
-                (errorReason) => {
-                  console.log(errorReason)
-                  if (errorReason.code === "P2002") {
-                    res.json({ target: errorReason.meta.target[0], error: "Already exists" });
-                  }
-                }
-              )
-              .catch((err) => {
-                console.error(err);
-                res.status(500).end();
-              });
-          },
-          (errorReason) => {
-            res.status(500).end(errorReason);
-          }
-        )
-        .catch((err) => {
-          console.error(err);
-          res.status(500).end();
-        });
+          )
+          .catch((err) => {
+            console.error(err);
+            res.status(500).end();
+          });
+      } else {
+        res.status(403).json({ error: true, message: "Authorization Required" });
+      }
     }
 }
diff --git a/pages/articles/[categoryName]/[articleName]/index.tsx b/pages/articles/[categoryName]/[articleName]/index.tsx
index db2336b..a1353dd 100644
--- a/pages/articles/[categoryName]/[articleName]/index.tsx
+++ b/pages/articles/[categoryName]/[articleName]/index.tsx
@@ -8,13 +8,14 @@ import prisma, { ArticleWithIncludes, CategoryWithIncludes } from "@/lib/prisma"
 import ArticleControl from "../../../../components/ArticleControl";
 import { IContentTableEntry } from "@/types/contentTable";
 import { Prisma } from "@prisma/client";
+import { useSession, signIn, signOut } from "next-auth/react";
+import { CLIENT_RENEG_LIMIT } from "tls";
 
 //* MAIN
 export default function ArticlePage({ article }: { article: ArticleWithIncludes }) {
   const dateUpdated: Date = new Date(article?.dateUpdated);
   const dateCreated: Date = new Date(article?.dateCreated);
   const dateOptions: Intl.DateTimeFormatOptions = { month: "long", day: "numeric", year: "numeric" };
-
   return (
     <>
       <ArticleControl articleId={article.id} />
diff --git a/prisma/schema.prisma b/prisma/schema.prisma
index 6b88e97..01aee73 100644
--- a/prisma/schema.prisma
+++ b/prisma/schema.prisma
@@ -27,7 +27,7 @@ model Category {
   title       String    @unique
   color       String
   svgId       String
-  svg         Svg       @relation(fields: [svgId], references: [id])
+  svg         Svg       @relation(fields: [svgId], references: [id], onDelete: Cascade)
   articles    Article[]
   dateCreated DateTime  @default(now())
   dateUpdated DateTime  @default(now())