Even more changes (devel commit messages are useless)

19 files changed, 1541 insertions, 99 deletions

diff --git a/src/application/mystic/forum/orm/Post.php b/src/application/mystic/forum/orm/Post.php
index becbb9d..186ea61 100644
--- a/src/application/mystic/forum/orm/Post.php
+++ b/src/application/mystic/forum/orm/Post.php
@@ -16,4 +16,5 @@ class Post extends Entity {
     public \DateTimeImmutable $postDate;
     #[References("public.topics", onDelete: References::CASCADE)] public string $topicId;
     #[DefaultValue("false")] public bool $deleted;
+    #[DefaultValue("false")] public bool $edited;
 }
diff --git a/src/application/views/form_login.php b/src/application/views/form_login.php
index 8ddb22e..27924e8 100644
--- a/src/application/views/form_login.php
+++ b/src/application/views/form_login.php
@@ -9,7 +9,9 @@ if ($lastFormUri !== $_SERVER["REQUEST_URI"]) $lastForm = [];
 RequestUtils::clearLastForm();
 
 ?>
-<h1>Log in</h1>
+<div class="page-header margin-top-0">
+    <h1>Log in</h1>
+</div>
 <div class="col-md-4"></div>
 <div class="well col-md-4">
 <?php
diff --git a/src/application/views/form_newtopic.php b/src/application/views/form_newtopic.php
index d5cbfbd..2e58268 100644
--- a/src/application/views/form_newtopic.php
+++ b/src/application/views/form_newtopic.php
@@ -3,22 +3,32 @@
 use mystic\forum\Messaging;
 use mystic\forum\utils\RequestUtils;
 
-if (($_formError = RequestUtils::getAndClearFormError()) !== null) {
-    Messaging::error($_formError);
-}
-
 $lastFormUri = "";
 $lastForm = RequestUtils::getLastForm($lastFormUri) ?? [];
 if ($lastFormUri !== $_SERVER["REQUEST_URI"]) $lastForm = [];
 RequestUtils::clearLastForm();
 
 ?>
-<form action="<?= htmlentities($_SERVER["REQUEST_URI"]) ?>" method="post">
-<strong>Topic title:</strong><br>
-<input type="text" name="title" value="<?= htmlentities($lastForm["title"] ?? "") ?>" required><br>
-
-<strong>Message:</strong><br>
-<textarea name="message" rows="12" cols="60" required></textarea><br>
-
-<button type="submit">Create topic</button>
+<div class="page-header margin-top-0">
+    <h1>New topic</h1>
+</div>
+<?php
+if (($_formError = RequestUtils::getAndClearFormError()) !== null) {
+    _view("alert_error", ["message" => $_formError]);
+}
+?>
+<form action="<?= htmlentities($_SERVER["REQUEST_URI"]) ?>#form" method="post" enctype="multipart/form-data">
+<div class="form-group">
+    <label for="i_message">Topic title:</label>
+    <input type="text" class="form-control" id="i_title" name="title" value="<?= htmlentities($lastForm["title"] ?? "") ?>" required autofocus>
+</div>
+<div class="form-group">
+    <label for="i_message">Message:</label>
+    <textarea class="form-control" id="i_message" name="message" required rows="12" cols="60" style="resize:vertical;max-height:499px"><?= htmlentities($lastForm["message"] ?? "") ?></textarea>
+</div>
+<div class="form-group">
+    <label for="i_files">Attachments: <small>(max. <?= htmlentities(MAX_ATTACHMENT_COUNT) ?> files, max. <?= htmlentities(MAX_ATTACHMENT_SIZE >> 20) ?> MiB each)</small></label>
+    <input type="file" name="files[]" id="i_files" multiple accept="*/*">
+</div>
+<button type="submit" class="btn btn-success">Create topic</button>
 </form>
diff --git a/src/application/views/form_register.php b/src/application/views/form_register.php
index 221f37d..6f62652 100644
--- a/src/application/views/form_register.php
+++ b/src/application/views/form_register.php
@@ -9,7 +9,9 @@ if ($lastFormUri !== $_SERVER["REQUEST_URI"]) $lastForm = [];
 RequestUtils::clearLastForm();
 
 ?>
-<h1>Register</h1>
+<div class="page-header margin-top-0">
+    <h1>Register</h1>
+</div>
 <div class="col-md-4"></div>
 <div class="well col-md-4">
 <?php
@@ -18,31 +20,49 @@ if (($_formError = RequestUtils::getAndClearFormError()) !== null) {
 }
 ?>
 <form action="<?= htmlentities($_SERVER["REQUEST_URI"]) ?>" method="post">
-<div class="form-group">
+<div class="form-group" id="group0">
     <label for="i_username">Username:</label>
     <input class="form-control" id="i_username" type="text" name="username" value="<?= htmlentities($lastForm["username"] ?? "") ?>" required>
 </div>
 
-<div class="form-group">
+<div class="form-group" id="group1">
+    <label for="i_username">Username:</label>
+    <input class="form-control" id="i_username" type="text" name="df82a9bc21" value="<?= htmlentities($lastForm["username"] ?? "") ?>" required>
+</div>
+
+<div class="form-group" id="group2">
     <label for="i_display_name">Display name:</label>
     <input class="form-control" id="i_display_name" type="text" name="display_name" value="<?= htmlentities($lastForm["display_name"] ?? "") ?>" required>
 </div>
 
-<div class="form-group">
+<div class="form-group" id="group3">
     <label for="i_password">Choose password:</label>
     <input class="form-control" id="i_password" type="password" name="password" required>
 </div>
 
-<div class="form-group">
+<div class="form-group" id="group4">
     <label for="i_password_retype">Repeat password:</label>
     <input class="form-control" id="i_password_retype" type="password" name="password_retype" required>
 </div>
 
-<div class="form-group">
+<div class="form-group" id="group5">
     <label for="i_email">Email address:</label>
     <input class="form-control" id="i_email" type="email" name="email" value="<?= htmlentities($lastForm["email"] ?? "") ?>" required>
 </div>
 
+<div class="form-group" id="group6">
+    <label for="i_email">CAPTCHA:</label>
+    <div class="text-center margin-bottom">
+        <img src="?_action=captcha&t=<?= htmlentities(strval(microtime(true) * 1000)) ?>" alt="CAPTCHA" width="192" height="48" id="captcha-img">
+    </div>
+    <div class="input-group">
+        <input type="text" name="captcha" id="i_captcha" class="form-control" required>
+        <div class="input-group-btn">
+            <button class="btn btn-default" type="button" id="btn-refresh-captcha"><span class="glyphicon glyphicon-refresh" aria-hidden="true"></span><span class="sr-only">New CAPTCHA</span></button>
+        </div>
+    </div>
+</div>
+
 <div class="form-group">
     <button class="btn btn-default" type="submit">Register now</button>
 </div>
@@ -53,3 +73,11 @@ if (($_formError = RequestUtils::getAndClearFormError()) !== null) {
 </form>
 </div>
 <div class="col-md-4"></div>
+
+<script>
+$(function() {
+    $("#btn-refresh-captcha").click(function() {
+        $("#captcha-img").attr("src", "?_action=captcha&t=" + new Date().getTime().toString());
+    });
+});
+</script>
diff --git a/src/application/views/nav_logged_in.php b/src/application/views/nav_logged_in.php
index f899ad8..8ed8d07 100644
--- a/src/application/views/nav_logged_in.php
+++ b/src/application/views/nav_logged_in.php
@@ -9,6 +9,6 @@ use mystic\forum\orm\User;
 <strong><?= htmlentities($user->displayName) ?></strong>!
 <?php endif; ?>
 </p></li>
-<li><a href="?_action=viewuser&amp;user=<?= htmlentities(urlencode($user->id)) ?>"><span class="glyphicon glyphicon-user" aria-hidden="true"><span class="sr-only">View profile</span></a></li>
-<li><a href="?_action=logout&amp;next=<?= htmlentities(urlencode($_SERVER["REQUEST_URI"])) ?>"><span class="glyphicon glyphicon-log-out" aria-hidden="true"><span class="sr-only">Log out</span></a></li>
+<li><a href="?_action=viewuser&amp;user=<?= htmlentities(urlencode($user->id)) ?>"><span class="glyphicon glyphicon-user" aria-hidden="true"></span><span class="sr-only">View profile</span></a></li>
+<li><a href="?_action=logout&amp;next=<?= htmlentities(urlencode($_SERVER["REQUEST_URI"])) ?>"><span class="glyphicon glyphicon-log-out" aria-hidden="true"></span><span class="sr-only">Log out</span></a></li>
 </ul>
diff --git a/src/application/views/template_end.php b/src/application/views/template_end.php
index 27fc3ba..7757780 100644
--- a/src/application/views/template_end.php
+++ b/src/application/views/template_end.php
@@ -3,7 +3,8 @@
 <div class="container">
 <div class="panel panel-default">
 <div class="panel-body">
-    &copy; <?= date("Y") ?>
+    &copy; <?= date("Y") ?> <?= htmlentities(env("MYSTIC_FORUM_COPYRIGHT") ?? env("MYSTIC_FORUM_TITLE") ?? "Forum") ?>.
+    Powered by <a href="https://git.jkohl.link/mystic-forum.git/">Mystic Forum</a>
 </div>
 </div>
 </div>
@@ -23,6 +24,28 @@ $(function() {
         var date = new Date($(e).text());
         $(e).text(date.toLocaleTimeString());
     });
+
+    $("input[type=file]").each(function(i, e) {
+        var isMultiple = !!$(e).prop("multiple");
+        var $input = $('<input type="text" readonly class="form-control" />').attr("placeholder", "No file" + (isMultiple ? "s" : "") + " selected");
+        $(e).after($('<div class="input-group file-input-group"></div>').append(
+            $input,
+            $('<span class="input-group-btn"></span>').append(
+                $('<button class="btn btn-default" type="button"></button>').text("Select file" + (isMultiple ? "s" : "") + "...").click(function() {
+                    $(e).click();
+                })
+            )
+        )).addClass("sr-only");
+        $(e).on("change", function() {
+            var files = $(e)[0].files;
+            if (files.length < 1)
+                $input.val("");
+            else if (files.length === 1)
+                $input.val(files[0].name);
+            else
+                $input.val(files.length + " files selected");
+        });
+    })
 });
 </script>
 
diff --git a/src/application/views/template_navigation_start.php b/src/application/views/template_navigation_start.php
index 48cdb9a..3c69bf4 100644
--- a/src/application/views/template_navigation_start.php
+++ b/src/application/views/template_navigation_start.php
@@ -7,6 +7,6 @@
                 <span class="icon-bar"></span>
                 <span class="icon-bar"></span>
             </button>
-            <a class="navbar-brand" href=".">Forum</a>
+            <a class="navbar-brand" href="."><?= htmlentities(env("MYSTIC_FORUM_TITLE") ?? "Forum") ?></a>
         </div>
         <div class="collapse navbar-collapse" id="nav-collapse">
diff --git a/src/application/views/template_start.php b/src/application/views/template_start.php
index 4cfdb74..56af9bf 100644
--- a/src/application/views/template_start.php
+++ b/src/application/views/template_start.php
@@ -1,3 +1,11 @@
+<?php
+
+$pageTitle = "";
+if (isset($_title) && $_title !== null)
+    $pageTitle = "$_title | ";
+$pageTitle .= env("MYSTIC_FORUM_TITLE") ?? "Forum";
+
+?>
 <!DOCTYPE html>
 <!--[if lt IE 7]>      <html lang="de" class="no-js lt-ie9 lt-ie8 lt-ie7"> <![endif]-->
 <!--[if IE 7]>         <html lang="de" class="no-js lt-ie9 lt-ie8"> <![endif]-->
@@ -5,10 +13,10 @@
 <!--[if gt IE 8]><!--> <html lang="de" class="no-js"> <!--<![endif]-->
 <head>
     <meta charset="utf-8">
-    <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
     <meta name="viewport" content="width=device-width,initial-scale=1">
-    <title><?= htmlentities($_title ?? "") ?></title>
-    <link rel="stylesheet" href="/ui/theme-default.css">
+    <title><?= htmlentities($pageTitle) ?></title>
+    <link rel="stylesheet" href="/themes/<?= env("MYSTIC_FORUM_THEME") ?? "default" ?>/theme.css">
     <script src="/ui/jquery-1.12.4.min.js"></script>
     <script src="/ui/dist/js/bootstrap.min.js"></script>
     <script src="/ui/modernizr-2.6.2.min.js"></script>
diff --git a/src/application/views/view_post.php b/src/application/views/view_post.php
index 5022d4a..26eec62 100644
--- a/src/application/views/view_post.php
+++ b/src/application/views/view_post.php
@@ -3,11 +3,17 @@
 use mystic\forum\orm\UserPermissions;
 use mystic\forum\orm\Attachment;
 
+/** @var mystic\forum\orm\Post $post */
+/** @var mystic\forum\orm\User $postAuthor */
+
 $fileAttachments = array_filter($attachments, fn(Attachment $a) => !str_starts_with($a->mimeType, "image/"));
 $imageAttachments = array_filter($attachments, fn(Attachment $a) => str_starts_with($a->mimeType, "image/"));
 
 $canReply = $GLOBALS["currentUser"]?->hasPermission(UserPermissions::CREATE_OWN_POST) ?? false;
 
+$canEdit = ($GLOBALS["currentUser"]?->id === $postAuthor?->id && $postAuthor?->hasPermission(UserPermissions::EDIT_OWN_POST))
+        || ($GLOBALS["currentUser"]?->hasPermission(UserPermissions::EDIT_OTHER_POST));
+
 $canDelete = ($GLOBALS["currentUser"]?->id === $postAuthor?->id && $postAuthor?->hasPermission(UserPermissions::DELETE_OWN_POST))
           || ($GLOBALS["currentUser"]?->hasPermission(UserPermissions::DELETE_OTHER_POST));
 
@@ -30,15 +36,15 @@ $your_are_the_author = $GLOBALS["currentUser"]?->id === $postAuthor?->id;
 </div>
 </div>
 <?php else: ?>
-<div class="media" id="post-<?= htmlentities($post->id) ?>">
+<div class="media" id="post-<?= htmlentities($post->id) ?>" data-text="<?= htmlentities($post->content) ?>">
 <?php if (!$hide_pfp): ?>
     <div class="media-left hidden-sm hidden-xs">
         <?php if ($postAuthor): ?>
             <?php if ($hide_actions): ?>
-                <img class="media-object" alt="Profile picture" src="?_action=profilepicture&amp;user=<?= htmlentities(urlencode($postAuthor->id)) ?>" alt="" width="64" height="64">
+                <img class="media-object" alt="Profile picture" src="?_action=profilepicture&amp;user=<?= htmlentities(urlencode($postAuthor->id)) ?>" width="64" height="64">
             <?php else: ?>
                 <a href="?_action=viewuser&amp;user=<?= htmlentities(urlencode($postAuthor->id)) ?>">
-                    <img class="media-object" alt="Profile picture" src="?_action=profilepicture&amp;user=<?= htmlentities(urlencode($postAuthor->id)) ?>" alt="" width="64" height="64">
+                    <img class="media-object" alt="Profile picture" src="?_action=profilepicture&amp;user=<?= htmlentities(urlencode($postAuthor->id)) ?>" width="64" height="64">
                 </a>
             <?php endif; ?>
         <?php else: ?>
@@ -49,12 +55,15 @@ $your_are_the_author = $GLOBALS["currentUser"]?->id === $postAuthor?->id;
     <div class="media-body">
         <div class="panel panel-default">
             <div class="panel-heading">
-                <h3 class="panel-title">
+                <div class="panel-title h3">
                     <?php if (!$hide_actions): ?>
                     <div class="pull-right">
-                        <?php if ($canReply): ?>
                         <a href="#post-<?= htmlentities(urlencode($post->id)) ?>" class="btn btn-default"><span class="glyphicon glyphicon-link" aria-hidden="true"></span><span class="sr-only">Permalink</span></a>
-                        <button data-text="<?= htmlentities($post->content) ?>" class="btn btn-default js-only _reply-post"><span class="glyphicon glyphicon-share-alt" aria-hidden="true"></span><span class="sr-only">Reply to post</span></button>
+                        <?php if ($canReply): ?>
+                            <button data-post-id="<?= htmlentities($post->id) ?>" class="btn btn-default js-only _reply-post"><span class="glyphicon glyphicon-share-alt" aria-hidden="true"></span><span class="sr-only">Reply to post</span></button>
+                        <?php endif; ?>
+                        <?php if ($canEdit): ?>
+                            <button data-post-id="<?= htmlentities($post->id) ?>" class="btn btn-default js-only _edit-post"><span class="glyphicon glyphicon-pencil" aria-hidden="true"></span><span class="sr-only">Edit post</span></button>
                         <?php endif; ?>
                         <?php if ($canDelete): ?>
                             <form action="?_action=deletepost" method="post" class="seamless-inline">
@@ -76,21 +85,24 @@ $your_are_the_author = $GLOBALS["currentUser"]?->id === $postAuthor?->id;
                     <?php else: ?>
                         <em class="text-muted">(deleted)</em>
                     <?php endif; ?>
-                </h3>
+                </div>
                 <span class="_time"><?= $post->postDate->format("c"); ?></span>
+                <?php if ($post->edited): ?>
+                    <em class="text-muted">(edited)</em>
+                <?php endif; ?>
             </div>
             <div class="panel-body">
-                <div class="post-content"><?= renderPost($post->content) ?></div>
+                <div class="post-content"><?= renderPost(trim($post->content)) ?></div>
                 <?php if (count($imageAttachments) > 0): ?>
                 <div class="post-images clearfix">
                     <?php /** @var Attachment $attachment */ foreach ($imageAttachments as $attachment): ?>
                         <?php if ($hide_actions): ?>
                             <span class="image-attachment" title="<?= htmlentities($attachment->name) ?>">
-                                <img class="image-attachment-image" src="?_action=thumb&amp;attachment=<?= htmlentities(urlencode($attachment->id)) ?>" alt="" width="110">
+                                <img class="image-attachment-image" src="?_action=thumb&amp;attachment=<?= htmlentities(urlencode($attachment->id)) ?>" alt="" width="100">
                             </span>
                         <?php else: ?>
                             <a class="image-attachment" href="?_action=attachment&amp;attachment=<?= htmlentities(urlencode($attachment->id)) ?>" title="<?= htmlentities($attachment->name) ?>">
-                                <img class="image-attachment-image" src="?_action=thumb&amp;attachment=<?= htmlentities(urlencode($attachment->id)) ?>" alt="" width="110">
+                                <img class="image-attachment-image" src="?_action=thumb&amp;attachment=<?= htmlentities(urlencode($attachment->id)) ?>" alt="" width="100">
                             </a>
                         <?php endif; ?>
                     <?php endforeach; ?>
diff --git a/src/application/views/view_topic_start.php b/src/application/views/view_topic_start.php
index 4006982..37e8cf8 100644
--- a/src/application/views/view_topic_start.php
+++ b/src/application/views/view_topic_start.php
@@ -9,30 +9,63 @@ $canEdit = ($GLOBALS["currentUser"]?->id === $topicAuthor->id && $topicAuthor->h
 $canDelete = ($GLOBALS["currentUser"]?->id === $topicAuthor->id && $topicAuthor->hasPermission(UserPermissions::DELETE_OWN_TOPIC))
           || ($GLOBALS["currentUser"]?->hasPermission(UserPermissions::DELETE_OTHER_TOPIC));
 ?>
+<?php if ($canEdit): ?>
+    <div class="modal fade" tabindex="-1" role="dialog" id="diag-edit-post">
+        <form class="modal-dialog" role="document" action="?_action=updatepost" method="post">
+            <input type="hidden" id="i_edit_post" name="post">
+            <div class="modal-content">
+                <div class="modal-header">
+                    <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
+                    <h4 class="modal-title">Edit post</h4>
+                </div>
+                <div class="modal-body">
+                    <div class="form-group">
+                        <label class="sr-only" for="i_edit_message">Message:</label>
+                        <textarea class="form-control" name="message" id="i_edit_message" rows="12" style="resize: vertical; max-height: 500px"></textarea>
+                    </div>
+                </div>
+                <div class="modal-footer">
+                    <button type="button" class="btn btn-default" data-dismiss="modal"><span class="glyphicon glyphicon-remove" aria-hidden="true"></span> Cancel</button>
+                    <button type="submit" class="btn btn-success"><span class="glyphicon glyphicon-floppy-disk" aria-hidden="true"></span> Save changes</button>
+                </div>
+            </div>
+        </form>
+    </div>
+<?php endif; ?>
+
 <div class="page-header margin-top-0 clearfix">
-    <div role="heading" class="h1 margin-top-0" id="displayHeading">
-        <?= htmlentities($topic->title) ?>
-        <div class="pull-right">
-            <?php if ($canEdit): ?>
-                <button id="btn-edit-title" class="btn btn-default js-only"><span class="glyphicon glyphicon-pencil" aria-hidden="true"></span> Edit title</button>
-            <?php endif; ?>
-            <?php if ($canReply): ?>
-                <button id="btn-reply" class="btn btn-default js-only"><span class="glyphicon glyphicon-share-alt" aria-hidden="true"></span> Reply</button>
-            <?php endif; ?>
-            <?php if ($canDelete): ?>
-                <form action="?_action=deletetopic" method="post" class="seamless-inline">
-                    <input type="hidden" name="topic" value="<?= htmlentities($topic->id) ?>">
-                    <button type="submit" class="btn btn-danger"><span class="glyphicon glyphicon-trash" aria-hidden="true"></span> Delete topic</button>
-                </form>
-            <?php endif; ?>
-        </div>
+    <div id="displayHeading">
+        <div role="heading" class="h1 seamless-inline">
+            <?= htmlentities($topic->title) ?>
+            <div class="pull-right text-normal">
+                <?php if ($canEdit): ?>
+                    <button id="btn-edit-title" class="btn btn-default js-only"><span class="glyphicon glyphicon-pencil" aria-hidden="true"></span> Edit title</button>
+                <?php endif; ?>
+                <?php if ($canReply): ?>
+                    <button id="btn-reply" class="btn btn-default js-only"><span class="glyphicon glyphicon-share-alt" aria-hidden="true"></span> Reply</button>
+                <?php endif; ?>
+                <?php if ($canDelete): ?>
+                    <form action="?_action=deletetopic" method="post" class="seamless-inline">
+                        <input type="hidden" name="topic" value="<?= htmlentities($topic->id) ?>">
+                        <button type="submit" class="btn btn-danger"><span class="glyphicon glyphicon-trash" aria-hidden="true"></span> Delete topic</button>
+                    </form>
+                <?php endif; ?>
+            </div>
+        </div><br>
+        Started by
+        <?php if ($topicAuthor !== null): ?>
+        <a href="?_action=viewuser&amp;user=<?= htmlentities(urlencode($topicAuthor->id)) ?>"><?= htmlentities($topicAuthor->displayName) ?></a>
+        <?php else: ?>
+        <em>(deleted)</em>
+        <?php endif; ?>
+        on <span class="_time"><?= htmlentities($topic->creationDate->format("c")) ?></span>
     </div>
     <?php if ($canEdit): ?>
         <form action="?_action=updatetopic" method="post" id="editHeading" style="display: none;" class="form-inline seamless-inline" style="display: block">
             <input type="hidden" name="topic" value="<?= htmlentities(urlencode($topic->id)) ?>">
             <div class="row">
                 <div class="col-md-8">
-                    <input type="text" class="form-control" name="title" id="i_edit_title" value="<?= htmlentities($topic->title) ?>" style="box-sizing: border-box; width: 100%">
+                    <input type="text" class="form-control" name="title" id="i_edit_title" data-original-value="<?= htmlentities($topic->title) ?>" value="<?= htmlentities($topic->title) ?>" style="box-sizing: border-box; width: 100%; font-size: 36px; height: 56px">
                 </div>
                 <div class="col-md-4 text-right">
                     <button type="button" id="topicTitleEditCancel" class="btn btn-default"><span class="glyphicon glyphicon-remove" aria-hidden="true"></span> Cancel</button>
@@ -42,22 +75,13 @@ $canDelete = ($GLOBALS["currentUser"]?->id === $topicAuthor->id && $topicAuthor-
         </form>
     <?php endif; ?>
 </div>
-<p>
-Started by
-<?php if ($topicAuthor !== null): ?>
-<a href="?_action=viewuser&amp;user=<?= htmlentities(urlencode($topicAuthor->id)) ?>"><?= htmlentities($topicAuthor->displayName) ?></a>
-<?php else: ?>
-<em>(deleted)</em>
-<?php endif; ?>
-on <span class="_time"><?= htmlentities($topic->creationDate->format("c")) ?></span>
-</p>
 <script>
 <?php if ($canEdit): ?>
 $(function() {
     $("#btn-edit-title").click(function() {
         $("#displayHeading").hide();
         $("#editHeading").show();
-        $("#i_edit_title").focus();
+        $("#i_edit_title").val($("#i_edit_title").attr("data-original-value")).focus();
     });
     $("#topicTitleEditCancel").click(function() {
         $("#displayHeading").show();
@@ -76,7 +100,7 @@ $(function() {
         focusReplyBox();
     });
     $("._reply-post").click(function() {
-        var text = $(this).attr("data-text");
+        var text = $("#post-" + $(this).attr("data-post-id")).attr("data-text");
         var val = $("#i_message").val();
         var lines = text.split("\n");
         for (var i = 0; i < lines.length; ++i)
@@ -86,5 +110,19 @@ $(function() {
         focusReplyBox();
     });
 });
-</script>
 <?php endif; ?>
+<?php if ($canEdit): ?>
+$(function() {
+    $("._edit-post").click(function() {
+        var $post = $("#post-" + $(this).attr("data-post-id"));
+        var $postContent = $post.find(".post-content");
+        $("#i_edit_message").css("height", "").val($post.attr("data-text"));
+        $("#i_edit_post").val($(this).attr("data-post-id"));
+        $("#diag-edit-post").modal();
+    });
+    $("#diag-edit-post").on("shown.bs.modal", function() {
+        $("#i_edit_message").focus();
+    });
+});
+<?php endif; ?>
+</script>
diff --git a/src/application/views/view_user.php b/src/application/views/view_user.php
index 23d2b71..79b57d2 100644
--- a/src/application/views/view_user.php
+++ b/src/application/views/view_user.php
@@ -26,13 +26,13 @@ $dateJoined = DateTime::createFromImmutable($user->created);
 $dateJoined->setTime(0, 0, 0, 0);
 ?>
 
-<div class="clearfix">
+<div class="clearfix page-header margin-top-0">
     <img class="pull-left margin-right" src="?_action=profilepicture&amp;user=<?= htmlentities(urlencode($user->id)) ?>">
     <span class="h1"><?= htmlentities($user->displayName) ?></span>
     <?php if ($isOwnProfile): ?>
         <span class="label label-primary">You</span>
     <?php endif; ?><br>
-    @<?= htmlentities($user->name) ?> &bull; <span class="text-muted">Member since <span class="_date"><?= htmlentities($dateJoined->format("c")); ?></span>
+    @<?= htmlentities($user->name) ?> &bull; <span class="text-muted">Member since <span class="_date"><?= htmlentities($dateJoined->format("c")); ?></span></span>
 </div>
 
 <?php if ($canEdit): ?>
@@ -97,18 +97,22 @@ if (($_formError = RequestUtils::getAndClearFormError()) !== null) {
         <label>Profile picture:</label>
 <?php
 $_checkbox_disabled = empty($user->profilePicture);
-$_checkbox_disabled_class = $_checkbox_disabled ? " disabled" : "";
+$_checkbox_disabled_class = $_checkbox_disabled ? " disabled text-muted" : "";
 ?>
         <div class="radio margin-top-0 <?= $_checkbox_disabled_class ?>">
             <label>
                 <input type="radio" name="pfp_action" id="pfp_action_1" value="keep"<?= !empty($user->profilePicture) ? ' checked' : ' disabled' ?>>
-                Existing profile picture
+                Keep current profile picture
             </label>
         </div>
         <div class="radio">
             <label>
                 <input type="radio" name="pfp_action" id="pfp_action_2" value="remove"<?= empty($user->profilePicture) ? ' checked' : '' ?>>
-                No profile picture
+                <?php if (empty($user->profilePicture)): ?>
+                    No profile picture
+                <?php else: ?>
+                    Remove profile picture
+                <?php endif; ?>
             </label>
         </div>
         <div class="radio">
@@ -141,12 +145,19 @@ $(function() {
 });
 <?php if ($canEdit): ?>
 $(function() {
-    $("#i_pfp").hide().prop("disabled", true).prop("required", false);
+    function _hide() {
+        $("#i_pfp").hide().prop("disabled", true).prop("required", false);
+        $("#i_pfp + .file-input-group").hide().find("button").prop("disabled", true);
+    }
+    _hide();
+    setTimeout(_hide, 10);
     $("[name='pfp_action']").on("change input check click", function() {
-        if ($("#pfp_action_3").is(":checked"))
+        if ($("#pfp_action_3").is(":checked")) {
             $("#i_pfp").show().prop("disabled", false).prop("required", true);
-        else
-            $("#i_pfp").hide().prop("disabled", true).prop("required", false);
+            $("#i_pfp + .file-input-group").show().find("button").prop("disabled", false);
+        } else {
+            _hide();
+        }
     })
 });
 <?php endif; ?>
diff --git a/src/composer.json b/src/composer.json
index 93c4e2f..82afc5b 100644
--- a/src/composer.json
+++ b/src/composer.json
@@ -3,5 +3,9 @@
         "psr-4": {
             "mystic\\forum\\": "application/mystic/forum/"
         }
+    },
+    "require": {
+        "symfony/mailer": "^7.1",
+        "gregwar/captcha": "^1.2"
     }
 }
diff --git a/src/composer.lock b/src/composer.lock
new file mode 100644
index 0000000..048b760
--- /dev/null
+++ b/src/composer.lock
@@ -0,0 +1,1151 @@
+{
+    "_readme": [
+        "This file locks the dependencies of your project to a known state",
+        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
+        "This file is @generated automatically"
+    ],
+    "content-hash": "6a9be35a60a5746ba957ae334c8f378a",
+    "packages": [
+        {
+            "name": "doctrine/lexer",
+            "version": "3.0.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/doctrine/lexer.git",
+                "reference": "31ad66abc0fc9e1a1f2d9bc6a42668d2fbbcd6dd"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/doctrine/lexer/zipball/31ad66abc0fc9e1a1f2d9bc6a42668d2fbbcd6dd",
+                "reference": "31ad66abc0fc9e1a1f2d9bc6a42668d2fbbcd6dd",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^8.1"
+            },
+            "require-dev": {
+                "doctrine/coding-standard": "^12",
+                "phpstan/phpstan": "^1.10",
+                "phpunit/phpunit": "^10.5",
+                "psalm/plugin-phpunit": "^0.18.3",
+                "vimeo/psalm": "^5.21"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "Doctrine\\Common\\Lexer\\": "src"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Guilherme Blanco",
+                    "email": "guilhermeblanco@gmail.com"
+                },
+                {
+                    "name": "Roman Borschel",
+                    "email": "roman@code-factory.org"
+                },
+                {
+                    "name": "Johannes Schmitt",
+                    "email": "schmittjoh@gmail.com"
+                }
+            ],
+            "description": "PHP Doctrine Lexer parser library that can be used in Top-Down, Recursive Descent Parsers.",
+            "homepage": "https://www.doctrine-project.org/projects/lexer.html",
+            "keywords": [
+                "annotations",
+                "docblock",
+                "lexer",
+                "parser",
+                "php"
+            ],
+            "support": {
+                "issues": "https://github.com/doctrine/lexer/issues",
+                "source": "https://github.com/doctrine/lexer/tree/3.0.1"
+            },
+            "funding": [
+                {
+                    "url": "https://www.doctrine-project.org/sponsorship.html",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://www.patreon.com/phpdoctrine",
+                    "type": "patreon"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/doctrine%2Flexer",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2024-02-05T11:56:58+00:00"
+        },
+        {
+            "name": "egulias/email-validator",
+            "version": "4.0.2",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/egulias/EmailValidator.git",
+                "reference": "ebaaf5be6c0286928352e054f2d5125608e5405e"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/egulias/EmailValidator/zipball/ebaaf5be6c0286928352e054f2d5125608e5405e",
+                "reference": "ebaaf5be6c0286928352e054f2d5125608e5405e",
+                "shasum": ""
+            },
+            "require": {
+                "doctrine/lexer": "^2.0 || ^3.0",
+                "php": ">=8.1",
+                "symfony/polyfill-intl-idn": "^1.26"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^10.2",
+                "vimeo/psalm": "^5.12"
+            },
+            "suggest": {
+                "ext-intl": "PHP Internationalization Libraries are required to use the SpoofChecking validation"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "4.0.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Egulias\\EmailValidator\\": "src"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Eduardo Gulias Davis"
+                }
+            ],
+            "description": "A library for validating emails against several RFCs",
+            "homepage": "https://github.com/egulias/EmailValidator",
+            "keywords": [
+                "email",
+                "emailvalidation",
+                "emailvalidator",
+                "validation",
+                "validator"
+            ],
+            "support": {
+                "issues": "https://github.com/egulias/EmailValidator/issues",
+                "source": "https://github.com/egulias/EmailValidator/tree/4.0.2"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/egulias",
+                    "type": "github"
+                }
+            ],
+            "time": "2023-10-06T06:47:41+00:00"
+        },
+        {
+            "name": "gregwar/captcha",
+            "version": "v1.2.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/Gregwar/Captcha.git",
+                "reference": "229d3cdfe33d6f1349e0aec94a26e9205a6db08e"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/Gregwar/Captcha/zipball/229d3cdfe33d6f1349e0aec94a26e9205a6db08e",
+                "reference": "229d3cdfe33d6f1349e0aec94a26e9205a6db08e",
+                "shasum": ""
+            },
+            "require": {
+                "ext-gd": "*",
+                "ext-mbstring": "*",
+                "php": ">=5.3.0",
+                "symfony/finder": "*"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^6.4"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "Gregwar\\": "src/Gregwar"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Grégoire Passault",
+                    "email": "g.passault@gmail.com",
+                    "homepage": "http://www.gregwar.com/"
+                },
+                {
+                    "name": "Jeremy Livingston",
+                    "email": "jeremy.j.livingston@gmail.com"
+                }
+            ],
+            "description": "Captcha generator",
+            "homepage": "https://github.com/Gregwar/Captcha",
+            "keywords": [
+                "bot",
+                "captcha",
+                "spam"
+            ],
+            "support": {
+                "issues": "https://github.com/Gregwar/Captcha/issues",
+                "source": "https://github.com/Gregwar/Captcha/tree/v1.2.1"
+            },
+            "time": "2023-09-26T13:45:37+00:00"
+        },
+        {
+            "name": "psr/container",
+            "version": "2.0.2",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/php-fig/container.git",
+                "reference": "c71ecc56dfe541dbd90c5360474fbc405f8d5963"
+            },
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+                "shasum": ""
+            },
+            "require": {
+                "php": ">=7.4.0"
+            },
+            "type": "library",
+            "extra": {
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+                    "dev-master": "2.0.x-dev"
+                }
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+            "autoload": {
+                "psr-4": {
+                    "Psr\\Container\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
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+                    "name": "PHP-FIG",
+                    "homepage": "https://www.php-fig.org/"
+                }
+            ],
+            "description": "Common Container Interface (PHP FIG PSR-11)",
+            "homepage": "https://github.com/php-fig/container",
+            "keywords": [
+                "PSR-11",
+                "container",
+                "container-interface",
+                "container-interop",
+                "psr"
+            ],
+            "support": {
+                "issues": "https://github.com/php-fig/container/issues",
+                "source": "https://github.com/php-fig/container/tree/2.0.2"
+            },
+            "time": "2021-11-05T16:47:00+00:00"
+        },
+        {
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+            "version": "1.0.0",
+            "source": {
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+                "url": "https://github.com/php-fig/event-dispatcher.git",
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+            },
+            "type": "library",
+            "extra": {
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+            "autoload": {
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+                    "Psr\\EventDispatcher\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
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+            ],
+            "authors": [
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+                    "name": "PHP-FIG",
+                    "homepage": "http://www.php-fig.org/"
+                }
+            ],
+            "description": "Standard interfaces for event handling.",
+            "keywords": [
+                "events",
+                "psr",
+                "psr-14"
+            ],
+            "support": {
+                "issues": "https://github.com/php-fig/event-dispatcher/issues",
+                "source": "https://github.com/php-fig/event-dispatcher/tree/1.0.0"
+            },
+            "time": "2019-01-08T18:20:26+00:00"
+        },
+        {
+            "name": "psr/log",
+            "version": "3.0.2",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/php-fig/log.git",
+                "reference": "f16e1d5863e37f8d8c2a01719f5b34baa2b714d3"
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+                "shasum": ""
+            },
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+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
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+            ],
+            "authors": [
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+                    "name": "PHP-FIG",
+                    "homepage": "https://www.php-fig.org/"
+                }
+            ],
+            "description": "Common interface for logging libraries",
+            "homepage": "https://github.com/php-fig/log",
+            "keywords": [
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+                "psr",
+                "psr-3"
+            ],
+            "support": {
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+            },
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+        },
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+            "license": [
+                "MIT"
+            ],
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+                    "email": "p@tchwork.com"
+                },
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+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "A generic function and convention to trigger deprecation notices",
+            "homepage": "https://symfony.com",
+            "support": {
+                "source": "https://github.com/symfony/deprecation-contracts/tree/v3.5.0"
+            },
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+                "symfony/config": "^6.4|^7.0",
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+            },
+            "type": "library",
+            "autoload": {
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+                },
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+                ]
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+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
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+            "authors": [
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+                },
+                {
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+            "description": "Provides tools that allow your application components to communicate with each other by dispatching events and listening to them",
+            "homepage": "https://symfony.com",
+            "support": {
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+            },
+            "funding": [
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+                {
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+                {
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+        },
+        {
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+            "version": "v3.5.0",
+            "source": {
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+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-main": "3.5-dev"
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+                "thanks": {
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+                    "url": "https://github.com/symfony/contracts"
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+            },
+            "autoload": {
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+                    "Symfony\\Contracts\\EventDispatcher\\": ""
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+            },
+            "notification-url": "https://packagist.org/downloads/",
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+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Generic abstractions related to dispatching event",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "abstractions",
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+                "interfaces",
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+        },
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+            "require": {
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+            "require-dev": {
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+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Component\\Finder\\": ""
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+                "exclude-from-classmap": [
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+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Fabien Potencier",
+                    "email": "fabien@symfony.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Finds files and directories via an intuitive fluent interface",
+            "homepage": "https://symfony.com",
+            "support": {
+                "source": "https://github.com/symfony/finder/tree/v7.1.4"
+            },
+            "funding": [
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+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
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+                    "type": "github"
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+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
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+        },
+        {
+            "name": "symfony/mailer",
+            "version": "v7.1.2",
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+                "php": ">=8.2",
+                "psr/event-dispatcher": "^1",
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+                "symfony/mime": "^6.4|^7.0",
+                "symfony/service-contracts": "^2.5|^3"
+            },
+            "conflict": {
+                "symfony/http-client-contracts": "<2.5",
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+                "symfony/messenger": "<6.4",
+                "symfony/mime": "<6.4",
+                "symfony/twig-bridge": "<6.4"
+            },
+            "require-dev": {
+                "symfony/console": "^6.4|^7.0",
+                "symfony/http-client": "^6.4|^7.0",
+                "symfony/messenger": "^6.4|^7.0",
+                "symfony/twig-bridge": "^6.4|^7.0"
+            },
+            "type": "library",
+            "autoload": {
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+                    "Symfony\\Component\\Mailer\\": ""
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+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
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+                    "email": "fabien@symfony.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Helps sending emails",
+            "homepage": "https://symfony.com",
+            "support": {
+                "source": "https://github.com/symfony/mailer/tree/v7.1.2"
+            },
+            "funding": [
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+                },
+                {
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+            ],
+            "time": "2024-06-28T08:00:31+00:00"
+        },
+        {
+            "name": "symfony/mime",
+            "version": "v7.1.4",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/mime.git",
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+            },
+            "dist": {
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+                "shasum": ""
+            },
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+            },
+            "conflict": {
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+                "symfony/mailer": "<6.4",
+                "symfony/serializer": "<6.4.3|>7.0,<7.0.3"
+            },
+            "require-dev": {
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+                "league/html-to-markdown": "^5.0",
+                "phpdocumentor/reflection-docblock": "^3.0|^4.0|^5.0",
+                "symfony/dependency-injection": "^6.4|^7.0",
+                "symfony/process": "^6.4|^7.0",
+                "symfony/property-access": "^6.4|^7.0",
+                "symfony/property-info": "^6.4|^7.0",
+                "symfony/serializer": "^6.4.3|^7.0.3"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Component\\Mime\\": ""
+                },
+                "exclude-from-classmap": [
+                    "/Tests/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Fabien Potencier",
+                    "email": "fabien@symfony.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Allows manipulating MIME messages",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "mime",
+                "mime-type"
+            ],
+            "support": {
+                "source": "https://github.com/symfony/mime/tree/v7.1.4"
+            },
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2024-08-13T14:28:19+00:00"
+        },
+        {
+            "name": "symfony/polyfill-intl-idn",
+            "version": "v1.31.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/polyfill-intl-idn.git",
+                "reference": "c36586dcf89a12315939e00ec9b4474adcb1d773"
+            },
+            "dist": {
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+                "url": "https://api.github.com/repos/symfony/polyfill-intl-idn/zipball/c36586dcf89a12315939e00ec9b4474adcb1d773",
+                "reference": "c36586dcf89a12315939e00ec9b4474adcb1d773",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=7.2",
+                "symfony/polyfill-intl-normalizer": "^1.10"
+            },
+            "suggest": {
+                "ext-intl": "For best performance"
+            },
+            "type": "library",
+            "extra": {
+                "thanks": {
+                    "name": "symfony/polyfill",
+                    "url": "https://github.com/symfony/polyfill"
+                }
+            },
+            "autoload": {
+                "files": [
+                    "bootstrap.php"
+                ],
+                "psr-4": {
+                    "Symfony\\Polyfill\\Intl\\Idn\\": ""
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Laurent Bassin",
+                    "email": "laurent@bassin.info"
+                },
+                {
+                    "name": "Trevor Rowbotham",
+                    "email": "trevor.rowbotham@pm.me"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony polyfill for intl's idn_to_ascii and idn_to_utf8 functions",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "compatibility",
+                "idn",
+                "intl",
+                "polyfill",
+                "portable",
+                "shim"
+            ],
+            "support": {
+                "source": "https://github.com/symfony/polyfill-intl-idn/tree/v1.31.0"
+            },
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
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+                    "type": "tidelift"
+                }
+            ],
+            "time": "2024-09-09T11:45:10+00:00"
+        },
+        {
+            "name": "symfony/polyfill-intl-normalizer",
+            "version": "v1.31.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/polyfill-intl-normalizer.git",
+                "reference": "3833d7255cc303546435cb650316bff708a1c75c"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/polyfill-intl-normalizer/zipball/3833d7255cc303546435cb650316bff708a1c75c",
+                "reference": "3833d7255cc303546435cb650316bff708a1c75c",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=7.2"
+            },
+            "suggest": {
+                "ext-intl": "For best performance"
+            },
+            "type": "library",
+            "extra": {
+                "thanks": {
+                    "name": "symfony/polyfill",
+                    "url": "https://github.com/symfony/polyfill"
+                }
+            },
+            "autoload": {
+                "files": [
+                    "bootstrap.php"
+                ],
+                "psr-4": {
+                    "Symfony\\Polyfill\\Intl\\Normalizer\\": ""
+                },
+                "classmap": [
+                    "Resources/stubs"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Nicolas Grekas",
+                    "email": "p@tchwork.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony polyfill for intl's Normalizer class and related functions",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "compatibility",
+                "intl",
+                "normalizer",
+                "polyfill",
+                "portable",
+                "shim"
+            ],
+            "support": {
+                "source": "https://github.com/symfony/polyfill-intl-normalizer/tree/v1.31.0"
+            },
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2024-09-09T11:45:10+00:00"
+        },
+        {
+            "name": "symfony/polyfill-mbstring",
+            "version": "v1.31.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/polyfill-mbstring.git",
+                "reference": "85181ba99b2345b0ef10ce42ecac37612d9fd341"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/85181ba99b2345b0ef10ce42ecac37612d9fd341",
+                "reference": "85181ba99b2345b0ef10ce42ecac37612d9fd341",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=7.2"
+            },
+            "provide": {
+                "ext-mbstring": "*"
+            },
+            "suggest": {
+                "ext-mbstring": "For best performance"
+            },
+            "type": "library",
+            "extra": {
+                "thanks": {
+                    "name": "symfony/polyfill",
+                    "url": "https://github.com/symfony/polyfill"
+                }
+            },
+            "autoload": {
+                "files": [
+                    "bootstrap.php"
+                ],
+                "psr-4": {
+                    "Symfony\\Polyfill\\Mbstring\\": ""
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Nicolas Grekas",
+                    "email": "p@tchwork.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony polyfill for the Mbstring extension",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "compatibility",
+                "mbstring",
+                "polyfill",
+                "portable",
+                "shim"
+            ],
+            "support": {
+                "source": "https://github.com/symfony/polyfill-mbstring/tree/v1.31.0"
+            },
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2024-09-09T11:45:10+00:00"
+        },
+        {
+            "name": "symfony/service-contracts",
+            "version": "v3.5.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/service-contracts.git",
+                "reference": "bd1d9e59a81d8fa4acdcea3f617c581f7475a80f"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/service-contracts/zipball/bd1d9e59a81d8fa4acdcea3f617c581f7475a80f",
+                "reference": "bd1d9e59a81d8fa4acdcea3f617c581f7475a80f",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=8.1",
+                "psr/container": "^1.1|^2.0",
+                "symfony/deprecation-contracts": "^2.5|^3"
+            },
+            "conflict": {
+                "ext-psr": "<1.1|>=2"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-main": "3.5-dev"
+                },
+                "thanks": {
+                    "name": "symfony/contracts",
+                    "url": "https://github.com/symfony/contracts"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Contracts\\Service\\": ""
+                },
+                "exclude-from-classmap": [
+                    "/Test/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Nicolas Grekas",
+                    "email": "p@tchwork.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Generic abstractions related to writing services",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "abstractions",
+                "contracts",
+                "decoupling",
+                "interfaces",
+                "interoperability",
+                "standards"
+            ],
+            "support": {
+                "source": "https://github.com/symfony/service-contracts/tree/v3.5.0"
+            },
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2024-04-18T09:32:20+00:00"
+        }
+    ],
+    "packages-dev": [],
+    "aliases": [],
+    "minimum-stability": "stable",
+    "stability-flags": [],
+    "prefer-stable": false,
+    "prefer-lowest": false,
+    "platform": [],
+    "platform-dev": [],
+    "plugin-api-version": "2.6.0"
+}
diff --git a/src/index.php b/src/index.php
index 6258131..c75d112 100644
--- a/src/index.php
+++ b/src/index.php
@@ -1,5 +1,6 @@
 <?php
 
+use Gregwar\Captcha\CaptchaBuilder;
 use mystic\forum\Database;
 use mystic\forum\exceptions\DatabaseConnectionException;
 use mystic\forum\Messaging;
@@ -14,12 +15,17 @@ use mystic\forum\utils\ValidationUtils;
 
 header_remove("X-Powered-By");
 
+if (($_SERVER["HTTP_USER_AGENT"] ?? "") === "") {
+    http_response_code(403);
+    exit;
+}
+
 // function exception_error_handler($errno, $errstr, $errfile, $errline ) {
 //     throw new ErrorException(html_entity_decode($errstr), $errno, 0, $errfile, $errline);
 // }
 // set_error_handler("exception_error_handler");
 
-define("REGISTRATION_ENABLED", true);
+define("REGISTRATION_ENABLED", isTrue(env("REGISTRATION_ENABLED") ?? ""));
 
 session_name("fsid");
 session_start();
@@ -27,12 +33,21 @@ session_start();
 const MAX_ATTACHMENT_SIZE = 0x200000;
 const MAX_ATTACHMENT_COUNT = 4;
 const THUMB_MAX_DIM = 100;
+const CAPTCHA_PHRASE_LENGTH = 7;
+const CAPTCHA_CHARSET = 'ABCDEFGHKLMNPQRTWXYZ234789abdefghkmnpqr';
 
 $_rq_method = $_SERVER["REQUEST_METHOD"] ?? "GET";
 $_action = $_GET["_action"] ?? null;
 
 $GLOBALS["action"] = $_action;
 
+function generateCaptchaText(): string {
+    $phrase = "";
+    for ($i = 0; $i < CAPTCHA_PHRASE_LENGTH; ++$i)
+        $phrase .= CAPTCHA_CHARSET[random_int(0, strlen(CAPTCHA_CHARSET) - 1)];
+    return $phrase;
+}
+
 function _view(string $name, array $params = []): void {
     $___NAME = $name;
     $___PARAMS = &$params;
@@ -42,13 +57,18 @@ function _view(string $name, array $params = []): void {
     echo "<!--{/" . htmlentities($name) . "}-->\n";
 }
 
+function isTrue(string $str): bool {
+    $str = strtolower($str);
+    return in_array($str, ["yes","true","y","t","on","enabled","1","?1"]);
+}
+
 function reArrayFiles(&$file_post) {
     $file_ary = [];
     $file_count = count($file_post['name']);
     $file_keys = array_keys($file_post);
 
     for ($i=0; $i<$file_count; $i++) {
-        if ($file_post["error"][$i] === UPLOAD_ERR_NO_FILE)
+        if ($file_post["error"][$i] !== UPLOAD_ERR_OK)
             continue;
         foreach ($file_keys as $key) {
             $file_ary[$i][$key] = $file_post[$key][$i];
@@ -93,6 +113,13 @@ function renderPost(string $contents): string {
     return $contents;
 }
 
+function env(string $key): ?string {
+    $val = getenv($key);
+    if ($val === false)
+        return null;
+    return $val;
+}
+
 require_once __DIR__ . "/vendor/autoload.php";
 
 $db = null;
@@ -169,7 +196,7 @@ if ($_action === "auth") {
         RequestUtils::setAuthorizedUser($user);
         header("Location: " . $_GET["next"] ?? ".");
     } else {
-        _view("template_start", ["_title" => "Forum"]);
+        _view("template_start", ["_title" => "Log in"]);
         _view("template_navigation_start");
         _view("template_navigation", ["user" => RequestUtils::getAuthorizedUser($db)]);
         _view("template_navigation_end");
@@ -189,11 +216,22 @@ if ($_action === "auth") {
     }
 
     if (RequestUtils::isRequestMethod("POST")) {
-        $username = RequestUtils::getRequiredField("username");
+        $doNotFill = $_POST["username"] ?? null;
+        if ($doNotFill !== null) {
+            sleep(10);
+            http_response_code(204);
+            exit;
+        }
+        $username = RequestUtils::getRequiredField("df82a9bc21");
         $password = RequestUtils::getRequiredField("password");
         $passwordRetype = RequestUtils::getRequiredField("password_retype");
         $email = trim(RequestUtils::getRequiredField("email"));
         $displayName = RequestUtils::getRequiredField("display_name");
+        $captcha = RequestUtils::getRequiredField("captcha");
+
+        if ($captcha !== $_SESSION["captchaPhrase"]) {
+            RequestUtils::triggerFormError("Incorrect CAPTCHA text!");
+        }
         
         // usernames are always lowercase
         $username = strtolower($username);
@@ -250,7 +288,7 @@ if ($_action === "auth") {
             Messaging::html('<p>Please click <a href="?_action=auth">here</a> to log in!</p>'),
         ]);
     } else {
-        _view("template_start", ["_title" => "Forum"]);
+        _view("template_start", ["_title" => "Register"]);
         _view("template_navigation_start");
         _view("template_navigation", ["user" => RequestUtils::getAuthorizedUser($db)]);
         _view("template_navigation_end");
@@ -302,6 +340,7 @@ if ($_action === "auth") {
         $post->content = $message;
         $post->postDate = new DateTimeImmutable();
         $post->deleted = false;
+        $post->edited = false;
 
         $db->insert($post);
 
@@ -335,7 +374,7 @@ if ($_action === "auth") {
             }
         }
 
-        _view("template_start", ["_title" => "Forum"]);
+        _view("template_start", ["_title" => $topic->title]);
         _view("template_navigation_start");
         _view("template_navigation", ["user" => RequestUtils::getAuthorizedUser($db)]);
         _view("template_navigation_end");
@@ -383,6 +422,18 @@ if ($_action === "auth") {
         $title = trim(RequestUtils::getRequiredField("title"));
         $message = trim(RequestUtils::getRequiredField("message"));
 
+        $attachments = reArrayFiles($_FILES["files"]);
+
+        if (count($attachments) > MAX_ATTACHMENT_COUNT)
+            RequestUtils::triggerFormError("Too many attachments");
+
+        // check all attachments before saving one
+        foreach ($attachments as $att) {
+            if ($att["size"] > MAX_ATTACHMENT_SIZE) {
+                RequestUtils::triggerFormError("Individual file size exceeded");
+            }
+        }
+
         if (strlen($title) < 1 || strlen($title) > 255) {
             RequestUtils::triggerFormError("Title too short or too long!");
         }
@@ -406,12 +457,29 @@ if ($_action === "auth") {
         $post->content = $message;
         $post->postDate = $topic->creationDate;
         $post->deleted = false;
+        $post->edited = false;
 
         $db->insert($post);
 
+        foreach ($attachments as $att) {
+            [
+                "name" => $name,
+                "type" => $type,
+                "tmp_name" => $tmpName,
+            ] = $att;
+            $attachment = new Attachment();
+            $attachment->id = $db->generateId();
+            $attachment->name = $name;
+            $attachment->mimeType = $type;
+            $attachment->postId = $post->id;
+            $attachment->contents = file_get_contents($tmpName);
+            
+            $db->insert($attachment);
+        }
+
         header("Location: ?_action=viewtopic&topic=" . urlencode($topic->id));
     } else {
-        _view("template_start", ["_title" => "Forum"]);
+        _view("template_start", ["_title" => "New topic"]);
         _view("template_navigation_start");
         _view("template_navigation", ["user" => RequestUtils::getAuthorizedUser($db)]);
         _view("template_navigation_end");
@@ -522,7 +590,7 @@ if ($_action === "auth") {
                 continue;
             $topics[$post->topicId] = $topic;
         }
-        _view("template_start", ["_title" => "Forum"]);
+        _view("template_start", ["_title" => $user->displayName]);
         _view("template_navigation_start");
         _view("template_navigation", ["user" => $currentUser]);
         _view("template_navigation_end");
@@ -549,12 +617,27 @@ if ($_action === "auth") {
         Messaging::error("No attachment exists with this id");
         exit;
     }
+
+    $name = preg_replace('/[\r\n\t\/]/', '_', $attachment->name);
     
     $extension = pathinfo($attachment->name, PATHINFO_EXTENSION);
-    header("Content-Type: " . FileUtils::getMimeTypeForExtension($extension));
+
+    $mime = FileUtils::getMimeTypeForExtension($extension);
+    switch ($mime) {
+        case "text/html":
+        case "text/css":
+        case "text/javascript":
+        case "text/xml":
+        case "application/css":
+        case "application/javascript":
+        case "application/xml":
+            $mime = "text/plain";
+            break;
+    }
+    header("Content-Type: " . $mime);
     header("Content-Length: " . strlen($attachment->contents));
     header("Cache-Control: no-cache");
-    header("Content-Disposition: inline; filename=\"" . $attachment->name . "\"");
+    header("Content-Disposition: inline; filename=\"" . $name . "\"");
     echo $attachment->contents;
 } elseif ($_action === "profilepicture") {
     $userId = $_GET["user"] ?? throw new Exception("Missing user id");
@@ -722,7 +805,7 @@ if ($_action === "auth") {
 
         header("Location: ?_action=viewtopic&topic=" . urlencode($post->topicId));
     } else {
-        _view("template_start", ["_title" => "Forum"]);
+        _view("template_start", ["_title" => "Delete post"]);
         _view("template_navigation_start");
         _view("template_navigation", ["user" => RequestUtils::getAuthorizedUser($db)]);
         _view("template_navigation_end");
@@ -733,6 +816,54 @@ if ($_action === "auth") {
         ]);
         _view("template_end");
     }
+} elseif ($_action === "updatepost") {
+    RequestUtils::ensureRequestMethod("POST");
+
+    if (!$currentUser) {
+        http_response_code(403);
+        Messaging::error("You need to be logged in to update posts!");
+        exit;
+    }
+
+    $postId = RequestUtils::getRequiredField("post");
+    $message = RequestUtils::getRequiredField("message");
+
+    $post = new Post();
+    $post->id = $postId;
+
+    if (!$db->fetch($post) || $post->deleted) {
+        http_response_code(404);
+        Messaging::error("No post exists with this id");
+        exit;
+    }
+
+    $topicAuthor = new User();
+    $topicAuthor->id = $post->authorId;
+
+    if (!$db->fetch($topicAuthor))
+        $topicAuthor = null;
+
+    $canEdit = ($currentUser->id === $topicAuthor?->id && $topicAuthor?->hasPermission(UserPermissions::EDIT_OWN_POST))
+              || ($currentUser->hasPermission(UserPermissions::EDIT_OTHER_POST));
+
+    if (!$canEdit) {
+        http_response_code(403);
+        Messaging::error("You don't have permission to edit this post");
+        exit;
+    }
+
+    $confirm = $_POST["confirm"] ?? null;
+
+    $post->content = $message;
+    $post->edited = true;
+
+    if (!$db->update($post)) {
+        http_response_code(500);
+        Messaging::error("Failed to update post");
+        exit;
+    }
+
+    header("Location: ?_action=viewtopic&topic=" . urlencode($post->topicId) . "#post-" . urlencode($postId));
 } elseif ($_action === "deletetopic") {
     RequestUtils::ensureRequestMethod("POST");
 
@@ -785,7 +916,7 @@ if ($_action === "auth") {
 
         header("Location: .");
     } else {
-        _view("template_start", ["_title" => "Forum"]);
+        _view("template_start", ["_title" => "Delete topic"]);
         _view("template_navigation_start");
         _view("template_navigation", ["user" => RequestUtils::getAuthorizedUser($db)]);
         _view("template_navigation_end");
@@ -840,8 +971,17 @@ if ($_action === "auth") {
     }
 
     header("Location: ./?_action=viewtopic&topic=" . urlencode($topicId));
+} elseif ($_action === "captcha") {
+    $phrase = generateCaptchaText();
+    $builder = new CaptchaBuilder($phrase);
+    $builder->build(192, 48);
+    $_SESSION["captchaPhrase"] = $phrase;
+    header("Content-Type: image/jpeg");
+    header("Pragma: no-cache");
+    header("Cache-Control: no-cache");
+    $builder->save(null, 40);
 } elseif ($_action === null) {
-    _view("template_start", ["_title" => "Forum"]);
+    _view("template_start");
     _view("template_navigation_start");
     _view("template_navigation", ["user" => RequestUtils::getAuthorizedUser($db)]);
     _view("template_navigation_end");
diff --git a/src/themes/default/theme.css b/src/themes/default/theme.css
new file mode 100644
index 0000000..8feb73e
--- /dev/null
+++ b/src/themes/default/theme.css
@@ -0,0 +1,10 @@
+/**
+ * @theme default
+ * @name Mystic Default
+ * @author Jonas Kohl
+ * @version 1.0.0
+ * @format 1
+ */
+@import url("../../ui/dist/css/bootstrap.min.css");
+@import url("../../ui/dist/css/bootstrap-theme.min.css");
+@import url("../../ui/site.css");
diff --git a/src/themes/slate/theme.css b/src/themes/slate/theme.css
new file mode 100644
index 0000000..a086ce7
--- /dev/null
+++ b/src/themes/slate/theme.css
@@ -0,0 +1,15 @@
+/**
+ * @theme slate
+ * @name Mystic Slate
+ * @author Jonas Kohl
+ * @version 1.0.0
+ * @format 1
+ */
+@import url("../../ui/slate.min.css");
+@import url("../../ui/site.css");
+.post-container-controls {
+    background-image: linear-gradient(transparent, #272b30 56%);
+}
+.post-container-controls::after {
+    background: rgba(0,0,0,0.6);
+}
diff --git a/src/ui/site.css b/src/ui/site.css
index 2979dd9..5e7829a 100644
--- a/src/ui/site.css
+++ b/src/ui/site.css
@@ -16,7 +16,7 @@
 html.no-js .js-only.js-only.js-only {
     display: none !important;
 }
-.panel-body > blockquote {
+.post-content > blockquote {
     font-size: 14px;
 }
 .post-images {
diff --git a/src/ui/theme-default.css b/src/ui/theme-default.css
deleted file mode 100644
index ea0bab8..0000000
--- a/src/ui/theme-default.css
+++ /dev/null
@@ -1,3 +0,0 @@
-@import url("./dist/css/bootstrap.min.css");
-@import url("./dist/css/bootstrap-theme.min.css");
-@import url("./site.css");
diff --git a/src/ui/theme-slate.css b/src/ui/theme-slate.css
deleted file mode 100644
index e72bf12..0000000
--- a/src/ui/theme-slate.css
+++ /dev/null
@@ -1,8 +0,0 @@
-@import url("./slate.min.css");
-@import url("./site.css");
-.post-container-controls {
-    background-image: linear-gradient(transparent, #272b30 56%);
-}
-.post-container-controls::after {
-    background: rgba(0,0,0,0.6);
-}