diff --git a/royalnet/web/royalprints/wikiedit/__init__.py b/royalnet/web/royalprints/wikiedit/__init__.py
index 0d918fef..33487c7c 100644
--- a/royalnet/web/royalprints/wikiedit/__init__.py
+++ b/royalnet/web/royalprints/wikiedit/__init__.py
@@ -2,6 +2,8 @@
 import flask as f
 import uuid
 import os
+import datetime
+import difflib
 from ... import Royalprint
 from ....database.tables import Royal, WikiPage, WikiRevision
 
@@ -14,6 +16,9 @@ rp = Royalprint("wikiedit", __name__, url_prefix="/wikiedit", template_folder=tm
 @rp.route("/<uuid:page_id>", defaults={"title": ""}, methods=["GET", "POST"])
 @rp.route("/<uuid:page_id>/<title>", methods=["GET", "POST"])
 def wikiedit_by_id(page_id: uuid.UUID, title: str):
+    if "royal" not in f.session:
+        return "Please login to edit wiki pages", 403
+
     alchemy, alchemy_session = f.current_app.config["ALCHEMY"], f.current_app.config["ALCHEMY_SESSION"]
     page = alchemy_session.query(alchemy.WikiPage).filter(alchemy.WikiPage.page_id == page_id).one_or_none()
     if page is None:
@@ -23,4 +28,24 @@ def wikiedit_by_id(page_id: uuid.UUID, title: str):
         return f.render_template("wikiedit_page.html", page=page)
 
     elif f.request.method == "POST":
-        return ""
\ No newline at end of file
+        fd = f.request.form
+        if "content" not in fd:
+            return "Missing page content", 400
+        # Create new revision
+        revision = alchemy.WikiRevision(revision_id=uuid.uuid4(),
+                                        page_id=page.page_id,
+                                        author_id=f.session["royal"]["uid"],
+                                        timestamp=datetime.datetime.now(),
+                                        reason=fd.get("reason"),
+                                        diff="\n".join(difflib.unified_diff(page.content.split("\n"), fd["content"].split("\n"))))
+        alchemy_session.add(revision)
+        # Apply changes
+        page.content = fd["content"]
+        if "title" in fd:
+            page.title = fd["title"]
+        if "format" in fd:
+            page.format = fd["format"]
+        if "css" in fd:
+            page.css = fd["css"] if fd["css"] != "None" else None
+        alchemy_session.commit()
+        return f.redirect(f.url_for("wikiview.wikiview_by_id", page_id=page.page_id, title=page.title))