diff --git a/backend/core/core.js b/backend/core/core.js
index 0ac804e..fe39f0c 100644
--- a/backend/core/core.js
+++ b/backend/core/core.js
@@ -5,6 +5,7 @@ const { S3Client, PutObjectCommand, GetObjectCommand, DeleteObjectCommand, ListO
 const { getSignedUrl } = require("@aws-sdk/s3-request-presigner");
 let s3;
 const crypto = require("crypto");
+const validate = require("../form_validation");
 const md = require("markdown-it")()
   .use(require("markdown-it-underline"))
   .use(require("markdown-it-footnote"))
@@ -59,22 +60,23 @@ function _initS3Storage() {
 
 // Users
 async function newUser({ username, password, role } = {}) {
-  if (!username) return _r(false, "Username not specified");
-  if (!password) return _r(false, "Password not specified");
+  // Sanity check on user registration.
+  const valid = validate.newUser({ username: username, password: password });
+  if (!valid.success) return _r(false, valid.message);
 
   // Create the account
   try {
     user_database_entry = await prisma.user.create({ data: { username: username, password: password, role: role } });
   } catch (e) {
     let message = "Unknown error";
-    return { success: false, message: message };
+    return _r(false, message);
   }
 
   // Create the profile page and link
   try {
     user_profile_database_entry = await prisma.profilePage.create({ data: { owner: { connect: { id: user_database_entry.id } } } });
   } catch (e) {
-    return { success: false, message: `Error creating profile page for user ${username}` };
+    return _r(false, `Error creating profile page for user ${username}`);
   }
 
   // Master user was created; server initialized
diff --git a/backend/core/internal_api.js b/backend/core/internal_api.js
index 8bc5354..91ecfd3 100644
--- a/backend/core/internal_api.js
+++ b/backend/core/internal_api.js
@@ -62,7 +62,7 @@ async function patchBlog(req, res) {
   // User is admin, or user is author
 
   // Validate blog info
-  let valid = await validate.postBlog(req.body);
+  let valid = await validate.patchPost(req.body);
 
   if (!valid.success) return { success: false, message: valid.message || "Post failed validation" };
   valid = valid.data;
diff --git a/backend/form_validation.js b/backend/form_validation.js
index de46b88..1d2f771 100644
--- a/backend/form_validation.js
+++ b/backend/form_validation.js
@@ -1,33 +1,36 @@
+//
+// Form validation
+//
+// Preform sanity checks on content
+// Format given data in an accessible way
+//
+
 const core = require("./core/core");
 
-async function registerUser(username, password) {
-  if (!username) return { success: false, message: "No username provided" };
-  if (!password) return { success: false, message: "No password provided" };
-  if (password.length < core.settings["USER_MINIMUM_PASSWORD_LENGTH"]) return { success: false, message: "Password not long enough" };
+// Make sure the user registration data is safe and valid.
+function newUser({ username, password } = {}) {
+  if (!username) return _r(false, "No username provided");
+  if (!password) return _r(false, "No password provided");
+  if (password.length < core.settings["USER_MINIMUM_PASSWORD_LENGTH"]) return _r(false, `Password is not long enough. Minimum length is ${core.settings["USER_MINIMUM_PASSWORD_LENGTH"]}`);
 
-  // Check if username only uses URL safe characters
-  if (!_isUrlSafe(username)) return { success: false, message: "Username is not URL safe" };
+  // TODO: Method to block special characters
+  if (!_isUrlSafe(username)) return _r(false, "Invalid Username. Please only use a-z A-Z 0-9");
 
-  // All good! Validation complete
-  return { success: true };
+  return _r(true);
 }
 
-async function postBlog(blog_object) {
-  // TODO: Validate blog posts before upload
-  // Check title length
-  // Check description length
-  // Check content length
-  // Check valid date
-  // Return formatted object
+function patchPost(post_content) {
+  let post_formatted = {}; // The formatted post content object that will be returned upon success
+  let publish_date; // Time and date the post should be made public
+  let tags = []; // An array of tags for the post
 
   // Get the publish date in a standard format
-  const [year, month, day] = blog_object.date.split("-");
-  const [hour, minute] = blog_object.time.split(":");
-  let publish_date = new Date(year, month - 1, day, hour, minute);
+  const [year, month, day] = post_content.date.split("-");
+  const [hour, minute] = post_content.time.split(":");
+  publish_date = new Date(year, month - 1, day, hour, minute);
 
-  // Go though our tags and ensure they are:
-  let valid_tag_array = [];
-  blog_object.tags.forEach((tag) => {
+  // Go though tags list, and turn into a pretty array
+  post_content.tags.forEach((tag) => {
     // Trimmed
     tag = tag.trim();
 
@@ -35,27 +38,31 @@ async function postBlog(blog_object) {
     tag = tag.toLowerCase();
 
     // Non-empty
-    if (tag.length !== 0) valid_tag_array.push(tag);
+    if (tag.length !== 0) tags.push(tag);
   });
 
-  // Format our data to save
-  let blog_post_formatted = {
-    title: blog_object.title,
-    description: blog_object.description,
-    content: blog_object.content,
-    visibility: blog_object.visibility,
+  // Format the post content
+  post_formatted = {
+    // Autofill the given data
+    ...post_content,
+
+    // Update tags to our pretty array
+    tags: tags,
+
+    // Update date
     publish_date: publish_date,
-    tags: valid_tag_array,
-    media: blog_object.media,
-    thumbnail: blog_object.thumbnail,
   };
 
-  return { success: true, data: blog_post_formatted };
+  return _r(true, null, post_formatted);
 }
 
+//  Helper functions --------------------
 function _isUrlSafe(str) {
   const pattern = /^[A-Za-z0-9\-_.~]+$/;
   return pattern.test(str);
 }
+function _r(s, m, d) {
+  return { success: s, m: m ? m || "Unknown error" : undefined, data: d };
+}
 
-module.exports = { registerUser, postBlog };
+module.exports = { newUser, patchPost };