make it simple, but not simpler

20 files changed, 617 insertions, 812 deletions

diff --git a/handler/AdminHandler.php b/handler/AdminHandler.php
new file mode 100644
index 0000000..f90fc42
--- /dev/null
+++ b/handler/AdminHandler.php
@@ -0,0 +1,470 @@
+<?php
+
+class AdminHandler extends request_handler {
+
+    function __construct() {
+        parent::__construct();
+        add_static('css/admin.css', 'js/admin.js');
+    }
+
+    function before_dispatch(string $http_method, string $action) {
+        if ($action != 'login' && !is_admin())
+            forbidden();
+    }
+
+    function GET_index() {
+        set_title('$admin_title');
+        render('admin/index');
+    }
+
+    function GET_login() {
+        if (is_admin())
+            redirect('/admin/');
+        set_title('$admin_title');
+        render('admin/login');
+    }
+
+    function POST_login() {
+        csrf_check('adminlogin');
+        $password = $_POST['password'] ?? '';
+        $valid = admin_check_password($password);
+        if ($valid) {
+            admin_log_auth();
+            admin_set_cookie();
+            redirect('/admin/');
+        }
+        forbidden();
+    }
+
+    function GET_logout() {
+        csrf_check('logout');
+        admin_unset_cookie();
+        redirect('/admin/login/', HTTPCode::Found);
+    }
+
+    function GET_uploads() {
+        list($error) = input('error');
+        $uploads = uploads::getAllUploads();
+
+        set_title('$blog_upload');
+        render('admin/uploads',
+            error: $error,
+            uploads: $uploads);
+    }
+
+    function POST_uploads() {
+        csrf_check('addupl');
+
+        list($custom_name, $note) = input('name, note');
+
+        if (!isset($_FILES['files']))
+            redirect('/uploads/?error='.urlencode('no file'));
+
+        $files = [];
+        for ($i = 0; $i < count($_FILES['files']['name']); $i++) {
+            $files[] = [
+                'name' => $_FILES['files']['name'][$i],
+                'type' => $_FILES['files']['type'][$i],
+                'tmp_name' => $_FILES['files']['tmp_name'][$i],
+                'error' => $_FILES['files']['error'][$i],
+                'size' => $_FILES['files']['size'][$i],
+            ];
+        }
+
+        if (count($files) > 1) {
+            $note = '';
+            $custom_name = '';
+        }
+
+        foreach ($files as $f) {
+            if ($f['error'])
+                redirect('/uploads/?error='.urlencode('error code '.$f['error']));
+
+            if (!$f['size'])
+                redirect('/uploads/?error='.urlencode('received empty file'));
+
+            $ext = extension($f['name']);
+            if (!uploads::isExtensionAllowed($ext))
+                redirect('/uploads/?error='.urlencode('extension not allowed'));
+
+            $upload_id = uploads::add(
+                $f['tmp_name'],
+                $custom_name ?: $f['name'],
+                $note);
+
+            if (!$upload_id)
+                redirect('/uploads/?error='.urlencode('failed to create upload'));
+        }
+
+        redirect('/uploads/');
+    }
+
+    function GET_upload_delete() {
+        list($id) = input('i:id');
+        $upload = uploads::get($id);
+        if (!$upload)
+            redirect('/uploads/?error='.urlencode('upload not found'));
+        csrf_check('delupl'.$id);
+        uploads::delete($id);
+        redirect('/uploads/');
+    }
+
+    function POST_upload_edit_note() {
+        list($id, $note) = input('i:id, note');
+
+        $upload = uploads::get($id);
+        if (!$upload)
+            redirect('/uploads/?error='.urlencode('upload not found'));
+
+        csrf_check('editupl'.$id);
+
+        $upload->setNote($note);
+        redirect('/uploads/');
+    }
+
+    function POST_ajax_md_preview() {
+        list($md, $title, $use_image_previews) = input('md, title, b:use_image_previews');
+        $html = markup::markdownToHtml($md, $use_image_previews);
+        $ctx = new SkinContext('\\skin\\admin');
+        $html = $ctx->markdownPreview(
+            unsafe_html: $html,
+            title: $title
+        );
+        ajax_ok(['html' => $html]);
+    }
+
+    function GET_page_add() {
+        list($name) = input('short_name');
+        $page = pages::getByName($name);
+        if ($page)
+            not_found();
+        return $this->_get_pageAdd($name);
+    }
+
+    function POST_page_add() {
+        csrf_check('addpage');
+
+        list($name, $text, $title) = input('short_name, text, title');
+        $page = pages::getByName($name);
+        if ($page)
+            not_found();
+
+        $error_code = null;
+
+        if (!$title) {
+            $error_code = 'no_title';
+        } else if (!$text) {
+            $error_code = 'no_text';
+        }
+
+        if ($error_code) {
+            return $this->_get_pageAdd(
+                name: $name,
+                title: $title,
+                text: $text,
+                error_code: $error_code
+            );
+        }
+
+        if (!pages::add([
+            'short_name' => $name,
+            'title' => $title,
+            'md' => $text
+        ])) {
+            return $this->_get_pageAdd(
+                name: $name,
+                title: $title,
+                text: $text,
+                error_code: 'db_err'
+            );
+        }
+
+        $page = pages::getByName($name);
+        redirect($page->getUrl());
+    }
+
+    function GET_post_add() {
+        return $this->_get_postAdd();
+    }
+
+    function POST_post_add() {
+        csrf_check('addpost');
+
+        list($text, $title, $tags, $visible, $short_name)
+            = input('text, title, tags, b:visible, short_name');
+        $tags = tags::splitString($tags);
+
+        $error_code = null;
+        if (!$title) {
+            $error_code = 'no_title';
+        } else if (!$text) {
+            $error_code = 'no_text';
+        } else if (empty($tags)) {
+            $error_code = 'no_tags';
+        } else if (empty($short_name)) {
+            $error_code = 'no_short_name';
+        }
+
+        if ($error_code)
+            return $this->_get_postAdd(
+                title: $title,
+                text: $text,
+                tags: $tags,
+                short_name: $short_name,
+                error_code: $error_code
+            );
+
+        $id = posts::add([
+            'title' => $title,
+            'md' => $text,
+            'visible' => (int)$visible,
+            'short_name' => $short_name,
+        ]);
+
+        if (!$id)
+            $this->_get_postAdd(
+                title: $title,
+                text: $text,
+                tags: $tags,
+                short_name: $short_name,
+                error_code: 'db_err'
+            );
+
+        // set tags
+        $post = posts::get($id);
+        $tag_ids = array_values(tags::getTags($tags));
+        $post->setTagIds($tag_ids);
+
+        redirect($post->getUrl());
+    }
+
+    function GET_auto_delete() {
+        list($name) = input('short_name');
+
+        $post = posts::getByName($name);
+        if ($post) {
+            csrf_check('delpost'.$post->id);
+            posts::delete($post);
+            redirect('/');
+        }
+
+        $page = pages::getByName($name);
+        if ($page) {
+            csrf_check('delpage'.$page->shortName);
+            pages::delete($page);
+            redirect('/');
+        }
+
+        not_found();
+    }
+
+    function GET_auto_edit() {
+        list($short_name, $saved) = input('short_name, b:saved');
+
+        $post = posts::getByName($short_name);
+        if ($post) {
+            $tags = $post->getTags();
+            return $this->_get_postEdit($post,
+                title: $post->title,
+                text: $post->md,
+                tags: $post->getTags(),
+                visible: $post->visible,
+                toc: $post->toc,
+                short_name: $post->shortName,
+                saved: $saved,
+            );
+        }
+
+        $page = pages::getByName($short_name);
+        if ($page) {
+            return $this->_get_pageEdit($page,
+                title: $page->title,
+                text: $page->md,
+                saved: $saved,
+                visible: $page->visible,
+            );
+        }
+
+        not_found();
+    }
+
+    function POST_auto_edit() {
+        list($short_name) = input('short_name');
+
+        $post = posts::getByName($short_name);
+        if ($post) {
+            csrf_check('editpost'.$post->id);
+
+            list($text, $title, $tags, $visible, $toc, $short_name)
+                = input('text, title, tags, b:visible, b:toc, new_short_name');
+
+            $tags = tags::splitString($tags);
+            $error_code = null;
+
+            if (!$title) {
+                $error_code = 'no_title';
+            } else if (!$text) {
+                $error_code = 'no_text';
+            } else if (empty($tags)) {
+                $error_code = 'no_tags';
+            } else if (empty($short_name)) {
+                $error_code = 'no_short_name';
+            }
+
+            if ($error_code)
+                $this->_get_postEdit($post,
+                    title: $title,
+                    text: $text,
+                    tags: $tags,
+                    visible: $visible,
+                    toc: $toc,
+                    short_name: $short_name,
+                    error_code: $error_code
+                );
+
+            $post->edit([
+                'title' => $title,
+                'md' => $text,
+                'visible' => (int)$visible,
+                'toc' => (int)$toc,
+                'short_name' => $short_name
+            ]);
+            $tag_ids = array_values(tags::getTags($tags));
+            $post->setTagIds($tag_ids);
+
+            redirect($post->getUrl().'edit/?saved=1');
+        }
+
+        $page = pages::getByName($short_name);
+        if ($page) {
+            csrf_check('editpage'.$page->shortName);
+
+            list($text, $title, $visible, $short_name)
+                = input('text, title, b:visible, new_short_name');
+
+            $text = trim($text);
+            $title = trim($title);
+            $error_code = null;
+
+            if (!$title) {
+                $error_code = 'no_title';
+            } else if (!$text) {
+                $error_code = 'no_text';
+            } else if (!$short_name) {
+                $error_code = 'no_short_name';
+            }
+
+            if ($error_code) {
+                return $this->_get_pageEdit($page,
+                    title: $title,
+                    text: $text,
+                    visible: $visible,
+                    error_code: $error_code
+                );
+            }
+
+            $page->edit([
+                'title' => $title,
+                'md' => $text,
+                'visible' => (int)$visible,
+                'short_name' => $short_name,
+            ]);
+
+            redirect($page->getUrl().'edit/?saved=1');
+        }
+
+        not_found();
+    }
+
+    protected static function setWidePage() {
+        set_skin_opts([
+            'full_width' => true,
+            'no_footer' => true
+        ]);
+    }
+
+    protected function _get_pageAdd(
+        string $name,
+        string $title = '',
+        string $text = '',
+        ?string $error_code = null
+    ) {
+        add_skin_strings_re('/^(err_)?pages_/');
+        set_title(lang('pages_create_title', $name));
+        static::setWidePage();
+        render('admin/pageForm',
+            short_name: $name,
+            title: $title,
+            text: $text,
+            error_code: $error_code);
+    }
+
+    protected function _get_pageEdit(
+        Page $page,
+        string $title = '',
+        string $text = '',
+        bool $saved = false,
+        bool $visible = false,
+        ?string $error_code = null
+    ) {
+        add_skin_strings_re('/^(err_)?pages_/');
+        set_title(lang('pages_page_edit_title', $page->shortName.'.html'));
+        static::setWidePage();
+        render('admin/pageForm',
+            is_edit: true,
+            short_name: $page->shortName,
+            title: $title,
+            text: $text,
+            visible: $visible,
+            saved: $saved,
+            error_code: $error_code);
+    }
+
+    protected function _get_postEdit(
+        Post $post,
+        string $title = '',
+        string $text = '',
+        ?array $tags = null,
+        bool $visible = false,
+        bool $toc = false,
+        string $short_name = '',
+        ?string $error_code = null,
+        bool $saved = false,
+    ) {
+        add_skin_strings_re('/^(err_)?blog_/');
+        set_title(lang('blog_post_edit_title', $post->title));
+        static::setWidePage();
+        render('admin/postForm',
+            is_edit: true,
+            post_id: $post->id,
+            post_url: $post->getUrl(),
+            title: $title,
+            text: $text,
+            tags: $tags ? implode(', ', $tags) : '',
+            visible: $visible,
+            toc: $toc,
+            saved: $saved,
+            short_name: $short_name,
+            error_code: $error_code
+        );
+    }
+
+    protected function _get_postAdd(
+        string $title = '',
+        string $text = '',
+        ?array $tags = null,
+        string $short_name = '',
+        ?string $error_code = null
+    ) {
+        add_skin_strings_re('/^(err_)?blog_/');
+        set_title('$blog_write');
+        static::setWidePage();
+        render('admin/postForm',
+            title: $title,
+            text: $text,
+            tags: $tags ? implode(', ', $tags) : '',
+            short_name: $short_name,
+            error_code: $error_code);
+    }
+
+}
\ No newline at end of file
diff --git a/handler/Auto.php b/handler/Auto.php
deleted file mode 100644
index 0656c44..0000000
--- a/handler/Auto.php
+++ /dev/null
@@ -1,110 +0,0 @@
-<?php
-
-namespace handler;
-
-use admin;
-use NotFoundException;
-use pages;
-use Post;
-use posts;
-use RedirectResponse;
-use RequestHandler;
-use Response;
-use Tag;
-
-class Auto extends RequestHandler {
-
-    public function get(): Response {
-        list($name) = $this->input('name');
-        if ($name == 'coreboot-mba51-flashing')
-            return new RedirectResponse('/coreboot-mba52-flashing/', 301);
-
-        if (is_numeric($name)) {
-            $post = posts::get((int)$name);
-        } else {
-            $post = posts::getPostByName($name);
-        }
-        if ($post)
-            return $this->getPost($post);
-
-        $tag = posts::getTag($name);
-        if ($tag)
-            return $this->getTag($tag);
-
-        $page = pages::getPageByName($name);
-        if ($page)
-            return $this->getPage($page);
-
-        if (admin::isAdmin()) {
-            $this->skin->title = $name;
-            return $this->skin->renderPage('admin/pageNew',
-                short_name: $name);
-        }
-
-        throw new NotFoundException();
-    }
-
-    public function getPost(Post $post): Response {
-        global $config;
-
-        if (!$post->visible && !admin::isAdmin())
-            throw new NotFoundException();
-
-        $tags = $post->getTags();
-
-        $s = $this->skin;
-        $s->meta[] = ['property' => 'og:title', 'content' => $post->title];
-        $s->meta[] = ['property' => 'og:url', 'content' => fullURL($post->getUrl())];
-        if (($img = $post->getFirstImage()) !== null)
-            $s->meta[] = ['property' => 'og:image', 'content' => $img->getDirectUrl()];
-        $s->meta[] = [
-            'name' => 'description',
-            'property' => 'og:description',
-            'content' => $post->getDescriptionPreview(155)
-        ];
-
-        $s->title = $post->title;
-
-        if ($post->toc)
-            $s->setOptions(['wide' => true]);
-
-        return $s->renderPage('main/post',
-            title: $post->title,
-            id: $post->id,
-            unsafe_html: $post->getHtml($this->isRetina(), \themes::getUserTheme()),
-            unsafe_toc_html: $post->getToc(),
-            date: $post->getFullDate(),
-            tags: $tags,
-            visible: $post->visible,
-            url: $post->getUrl(),
-            email: $config['admin_email'],
-            urlencoded_reply_subject: 'Re: '.$post->title);
-    }
-
-    public function getTag(Tag $tag): Response {
-        $tag = posts::getTag($tag);
-        if (!admin::isAdmin() && !$tag->visiblePostsCount)
-            throw new NotFoundException();
-
-        $count = posts::getPostsCountByTagId($tag->id, admin::isAdmin());
-        $posts = $count ? posts::getPostsByTagId($tag->id, admin::isAdmin()) : [];
-
-        $this->skin->title = '#'.$tag->tag;
-        return $this->skin->renderPage('main/tag',
-            count: $count,
-            posts: $posts,
-            tag: $tag->tag);
-    }
-
-    public function getPage(\Page $page): Response {
-        if (!admin::isAdmin() && !$page->visible)
-            throw new NotFoundException();
-
-        $this->skin->title = $page ? $page->title : '???';
-        return $this->skin->renderPage('main/page',
-            unsafe_html: $page->getHtml($this->isRetina(), \themes::getUserTheme()),
-            page_url: $page->getUrl(),
-            short_name: $page->shortName);
-    }
-
-}
\ No newline at end of file
diff --git a/handler/Contacts.php b/handler/Contacts.php
deleted file mode 100644
index c60479d..0000000
--- a/handler/Contacts.php
+++ /dev/null
@@ -1,16 +0,0 @@
-<?php
-
-namespace handler;
-
-use Response;
-
-class Contacts extends \RequestHandler {
-
-    public function get(): Response {
-        global $config;
-        $this->skin->title = $this->lang['contacts'];
-        return $this->skin->renderPage('main/contacts',
-            email: $config['admin_email']);
-    }
-
-}
\ No newline at end of file
diff --git a/handler/Index.php b/handler/Index.php
deleted file mode 100644
index c852511..0000000
--- a/handler/Index.php
+++ /dev/null
@@ -1,20 +0,0 @@
-<?php
-
-namespace handler;
-
-use admin;
-use posts;
-
-class Index extends \RequestHandler {
-
-    public function get(): \Response {
-        $posts = posts::getPosts(include_hidden: admin::isAdmin());
-        $tags = posts::getAllTags(include_hidden: admin::isAdmin());
-
-        $this->skin->title = "ch1p's Blog";
-        $this->skin->setOptions(['dynlogo_enabled' => false]);
-        return $this->skin->renderPage('main/index',
-            posts: $posts,
-            tags: $tags);
-    }
-}
\ No newline at end of file
diff --git a/handler/MainHandler.php b/handler/MainHandler.php
new file mode 100644
index 0000000..889cb48
--- /dev/null
+++ b/handler/MainHandler.php
@@ -0,0 +1,147 @@
+<?php
+
+require_once 'lib/posts.php';
+require_once 'lib/themes.php';
+
+class MainHandler extends request_handler {
+
+    function GET_index() {
+        $posts = posts::getList(include_hidden: is_admin());
+        $tags = tags::getAll(include_hidden: is_admin());
+
+        set_title("ch1p's Blog");
+        set_skin_opts(['dynlogo_enabled' => false]);
+        render('main/index',
+            posts: $posts,
+            tags: $tags);
+    }
+
+    function GET_projects() {
+        redirect('/projects/');
+    }
+
+    function GET_contacts() {
+        global $config;
+        set_title(lang('contacts'));
+        render('main/contacts',
+            email: $config['admin_email']);
+    }
+
+    function GET_auto() {
+        list($name) = input('name');
+        if ($name == 'coreboot-mba51-flashing')
+            redirect('/coreboot-mba52-flashing/');
+
+        if (is_numeric($name)) {
+            $post = posts::get((int)$name);
+        } else {
+            $post = posts::getByName($name);
+        }
+        if ($post)
+            return $this->renderPost($post);
+
+        $tag = tags::get($name);
+        if ($tag)
+            return $this->renderTag($tag);
+
+        $page = pages::getByName($name);
+        if ($page)
+            return $this->renderPage($page);
+
+        if (is_admin()) {
+            set_title($name);
+            render('admin/pageNew',
+                short_name: $name);
+        }
+
+        not_found();
+    }
+
+    protected function renderPost(Post $post) {
+        global $config;
+
+        if (!$post->visible && !is_admin())
+            not_found();
+
+        $tags = $post->getTags();
+
+        add_meta(
+            ['property' => 'og:title', 'content' => $post->title],
+            ['property' => 'og:url', 'content' => $config['domain'].$post->getUrl()]
+        );
+        if (($img = $post->getFirstImage()) !== null)
+            add_meta(['property' => 'og:image', 'content' => $img->getDirectUrl()]);
+
+        add_meta([
+            'name' => 'description',
+            'property' => 'og:description',
+            'content' => $post->getDescriptionPreview(155)
+        ]);
+
+        set_title($post->title);
+
+        if ($post->toc)
+            set_skin_opts(['wide' => true]);
+
+        render('main/post',
+            title: $post->title,
+            id: $post->id,
+            unsafe_html: $post->getHtml(is_retina(), getUserTheme()),
+            unsafe_toc_html: $post->getToc(),
+            date: $post->getFullDate(),
+            tags: $tags,
+            visible: $post->visible,
+            url: $post->getUrl(),
+            email: $config['admin_email'],
+            urlencoded_reply_subject: 'Re: '.$post->title);
+    }
+
+    protected function renderTag(Tag $tag) {
+        $tag = tags::get($tag);
+        if (!is_admin() && !$tag->visiblePostsCount)
+            not_found();
+
+        $count = posts::getCountByTagId($tag->id, is_admin());
+        $posts = $count ? posts::getPostsByTagId($tag->id, is_admin()) : [];
+
+        set_title('#'.$tag->tag);
+        render('main/tag',
+            count: $count,
+            posts: $posts,
+            tag: $tag->tag);
+    }
+
+    protected function renderPage(Page $page) {
+        if (!is_admin() && !$page->visible)
+            not_found();
+
+        set_title($page ? $page->title : '???');
+        render('main/page',
+            unsafe_html: $page->getHtml(is_retina(), getUserTheme()),
+            page_url: $page->getUrl(),
+            short_name: $page->shortName);
+    }
+
+    function GET_rss() {
+        global $config;
+
+        $items = array_map(fn(Post $post) => [
+            'title' => $post->title,
+            'link' => $post->getUrl(),
+            'pub_date' => date(DATE_RSS, $post->ts),
+            'description' => $post->getDescriptionPreview(500),
+        ], posts::getList(0, 20));
+
+        $ctx = new SkinContext('\\skin\\rss');
+        $body = $ctx->atom(
+            title: lang('site_title'),
+            link: 'https://'.$config['domain'],
+            rss_link: 'https://'.$config['domain'].'/feed.rss',
+            items: $items);
+
+        header('Content-Type: application/rss+xml; charset=utf-8');
+        echo $body;
+        exit;
+    }
+
+}
\ No newline at end of file
diff --git a/handler/ProjectsHtml.php b/handler/ProjectsHtml.php
deleted file mode 100644
index 0c1dcbb..0000000
--- a/handler/ProjectsHtml.php
+++ /dev/null
@@ -1,11 +0,0 @@
-<?php
-
-namespace handler\main;
-
-class ProjectsHtml extends \RequestHandler {
-
-    public function get(): \Response {
-        return new \RedirectResponse('/projects/', 301);
-    }
-
-}
\ No newline at end of file
diff --git a/handler/RSS.php b/handler/RSS.php
deleted file mode 100644
index 08a2136..0000000
--- a/handler/RSS.php
+++ /dev/null
@@ -1,32 +0,0 @@
-<?php
-
-namespace handler;
-use posts;
-use Response;
-use SkinContext;
-
-class RSS extends \RequestHandler {
-
-    public function get(): Response {
-        global $config;
-
-        $items = array_map(fn(\Post $post) => [
-            'title' => $post->title,
-            'link' => $post->getUrl(),
-            'pub_date' => date(DATE_RSS, $post->ts),
-            'description' => $post->getDescriptionPreview(500),
-        ], posts::getPosts(0, 20));
-
-        $ctx = new SkinContext('\\skin\\rss');
-        $body = $ctx->atom(
-            title: ($this->lang)('site_title'),
-            link: 'https://'.$config['domain'],
-            rss_link: 'https://'.$config['domain'].'/feed.rss',
-            items: $items);
-
-        $response = new Response(200, $body);
-        $response->addHeader('Content-Type: application/rss+xml; charset=utf-8');
-        return $response;
-    }
-
-}
\ No newline at end of file
diff --git a/handler/admin/AdminRequestHandler.php b/handler/admin/AdminRequestHandler.php
deleted file mode 100644
index 5a6bd12..0000000
--- a/handler/admin/AdminRequestHandler.php
+++ /dev/null
@@ -1,20 +0,0 @@
-<?php
-
-namespace handler\admin;
-
-use admin;
-use Response;
-
-class AdminRequestHandler extends \RequestHandler {
-
-    public function beforeDispatch(): ?Response {
-        $this->skin->static[] = 'css/admin.css';
-        $this->skin->static[] = 'js/admin.js';
-
-        if (!($this instanceof Login) && !admin::isAdmin())
-            throw new \ForbiddenException('looks like you are not admin');
-
-        return null;
-    }
-
-}
\ No newline at end of file
diff --git a/handler/admin/AutoAddOrEdit.php b/handler/admin/AutoAddOrEdit.php
deleted file mode 100644
index 1627642..0000000
--- a/handler/admin/AutoAddOrEdit.php
+++ /dev/null
@@ -1,99 +0,0 @@
-<?php
-
-namespace handler\admin;
-
-use Page;
-use Post;
-use Response;
-
-abstract class AutoAddOrEdit extends AdminRequestHandler {
-
-    public function beforeDispatch(): ?Response {
-        $this->skin->setOptions([
-            'full_width' => true,
-            'no_footer' => true
-        ]);
-        return parent::beforeDispatch();
-    }
-
-    protected function _get_postAdd(
-        string $title = '',
-        string $text = '',
-        ?array $tags = null,
-        string $short_name = '',
-        ?string $error_code = null
-    ): Response {
-        $this->skin->addLangKeys($this->lang->search('/^(err_)?blog_/'));
-        $this->skin->title = $this->lang['blog_write'];
-        return $this->skin->renderPage('admin/postForm',
-            title: $title,
-            text: $text,
-            tags: $tags ? implode(', ', $tags) : '',
-            short_name: $short_name,
-            error_code: $error_code);
-    }
-
-    protected function _get_postEdit(
-        Post $post,
-        string $title = '',
-        string $text = '',
-        ?array $tags = null,
-        bool $visible = false,
-        bool $toc = false,
-        string $short_name = '',
-        ?string $error_code = null,
-        bool $saved = false,
-    ): Response {
-        $this->skin->addLangKeys($this->lang->search('/^(err_)?blog_/'));
-        $this->skin->title = ($this->lang)('blog_post_edit_title', $post->title);
-        return $this->skin->renderPage('admin/postForm',
-            is_edit: true,
-            post_id: $post->id,
-            post_url: $post->getUrl(),
-            title: $title,
-            text: $text,
-            tags: $tags ? implode(', ', $tags) : '',
-            visible: $visible,
-            toc: $toc,
-            saved: $saved,
-            short_name: $short_name,
-            error_code: $error_code
-        );
-    }
-
-    protected function _get_pageAdd(
-        string $name,
-        string $title = '',
-        string $text = '',
-        ?string $error_code = null
-    ): Response {
-        $this->skin->addLangKeys($this->lang->search('/^(err_)?pages_/'));
-        $this->skin->title = ($this->lang)('pages_create_title', $name);
-        return $this->skin->renderPage('admin/pageForm',
-            short_name: $name,
-            title: $title,
-            text: $text,
-            error_code: $error_code);
-    }
-
-    protected function _get_pageEdit(
-        Page $page,
-        string $title = '',
-        string $text = '',
-        bool $saved = false,
-        bool $visible = false,
-        ?string $error_code = null
-    ): Response {
-        $this->skin->addLangKeys($this->lang->search('/^(err_)?pages_/'));
-        $this->skin->title = ($this->lang)('pages_page_edit_title', $page->shortName.'.html');
-        return $this->skin->renderPage('admin/pageForm',
-            is_edit: true,
-            short_name: $page->shortName,
-            title: $title,
-            text: $text,
-            visible: $visible,
-            saved: $saved,
-            error_code: $error_code);
-    }
-
-}
\ No newline at end of file
diff --git a/handler/admin/AutoDelete.php b/handler/admin/AutoDelete.php
deleted file mode 100644
index 80c8eef..0000000
--- a/handler/admin/AutoDelete.php
+++ /dev/null
@@ -1,34 +0,0 @@
-<?php
-
-namespace handler\admin;
-
-use csrf;
-use NotFoundException;
-use pages;
-use posts;
-use RedirectResponse;
-use Response;
-
-class AutoDelete extends AdminRequestHandler {
-
-    public function get(): Response {
-        list($name) = $this->input('short_name');
-
-        $post = posts::getPostByName($name);
-        if ($post) {
-            csrf::check('delpost'.$post->id);
-            posts::delete($post);
-            return new RedirectResponse('/');
-        }
-
-        $page = pages::getPageByName($name);
-        if ($page) {
-            csrf::check('delpage'.$page->shortName);
-            pages::delete($page);
-            return new RedirectResponse('/');
-        }
-
-        throw new NotFoundException();
-    }
-
-}
\ No newline at end of file
diff --git a/handler/admin/AutoEdit.php b/handler/admin/AutoEdit.php
deleted file mode 100644
index ba6a7d8..0000000
--- a/handler/admin/AutoEdit.php
+++ /dev/null
@@ -1,130 +0,0 @@
-<?php
-
-namespace handler\admin;
-
-use csrf;
-use pages;
-use posts;
-use Response;
-
-class AutoEdit extends AutoAddOrEdit {
-
-    public function get(): Response {
-        list($short_name, $saved) = $this->input('short_name, b:saved');
-
-        $post = posts::getPostByName($short_name);
-        if ($post) {
-            $tags = $post->getTags();
-            return $this->_get_postEdit($post,
-                title: $post->title,
-                text: $post->md,
-                tags: $post->getTags(),
-                visible: $post->visible,
-                toc: $post->toc,
-                short_name: $post->shortName,
-                saved: $saved,
-            );
-        }
-
-        $page = pages::getPageByName($short_name);
-        if ($page) {
-            return $this->_get_pageEdit($page,
-                title: $page->title,
-                text: $page->md,
-                saved: $saved,
-                visible: $page->visible,
-            );
-        }
-
-        throw new \NotFoundException();
-    }
-
-    public function post(): Response {
-        list($short_name) = $this->input('short_name');
-
-        $post = posts::getPostByName($short_name);
-        if ($post) {
-            csrf::check('editpost'.$post->id);
-
-            list($text, $title, $tags, $visible, $toc, $short_name)
-                = $this->input('text, title, tags, b:visible, b:toc, new_short_name');
-
-            $tags = posts::splitStringToTags($tags);
-            $error_code = null;
-
-            if (!$title) {
-                $error_code = 'no_title';
-            } else if (!$text) {
-                $error_code = 'no_text';
-            } else if (empty($tags)) {
-                $error_code = 'no_tags';
-            } else if (empty($short_name)) {
-                $error_code = 'no_short_name';
-            }
-
-            if ($error_code)
-                $this->_get_postEdit($post,
-                    title: $title,
-                    text: $text,
-                    tags: $tags,
-                    visible: $visible,
-                    toc: $toc,
-                    short_name: $short_name,
-                    error_code: $error_code
-                );
-
-            $post->edit([
-                'title' => $title,
-                'md' => $text,
-                'visible' => (int)$visible,
-                'toc' => (int)$toc,
-                'short_name' => $short_name
-            ]);
-            $tag_ids = posts::getTagIds($tags);
-            $post->setTagIds($tag_ids);
-
-            return new \RedirectResponse($post->getUrl().'edit/?saved=1');
-        }
-
-        $page = pages::getPageByName($short_name);
-        if ($page) {
-            csrf::check('editpage'.$page->shortName);
-
-            list($text, $title, $visible, $short_name)
-                = $this->input('text, title, b:visible, new_short_name');
-
-            $text = trim($text);
-            $title = trim($title);
-            $error_code = null;
-
-            if (!$title) {
-                $error_code = 'no_title';
-            } else if (!$text) {
-                $error_code = 'no_text';
-            } else if (!$short_name) {
-                $error_code = 'no_short_name';
-            }
-
-            if ($error_code) {
-                return $this->_get_pageEdit($page,
-                    title: $title,
-                    text: $text,
-                    visible: $visible,
-                    error_code: $error_code
-                );
-            }
-
-            $page->edit([
-                'title' => $title,
-                'md' => $text,
-                'visible' => (int)$visible,
-                'short_name' => $short_name,
-            ]);
-
-            return new \RedirectResponse($page->getUrl().'edit/?saved=1');
-        }
-
-        throw new \NotFoundException();
-    }
-
-}
\ No newline at end of file
diff --git a/handler/admin/Index.php b/handler/admin/Index.php
deleted file mode 100644
index e829913..0000000
--- a/handler/admin/Index.php
+++ /dev/null
@@ -1,13 +0,0 @@
-<?php
-
-namespace handler\admin;
-
-use Response;
-
-class Index extends AdminRequestHandler {
-
-    public function get(): Response {
-        return $this->skin->renderPage('admin/index');
-    }
-
-}
\ No newline at end of file
diff --git a/handler/admin/Login.php b/handler/admin/Login.php
deleted file mode 100644
index cade137..0000000
--- a/handler/admin/Login.php
+++ /dev/null
@@ -1,31 +0,0 @@
-<?php
-
-namespace handler\admin;
-
-use admin;
-use csrf;
-use RedirectResponse;
-use Response;
-use UnauthorizedException;
-
-class Login extends AdminRequestHandler {
-
-    public function get(): Response {
-        if (admin::isAdmin())
-            return new RedirectResponse('/admin/');
-        return $this->skin->renderPage('admin/login');
-    }
-
-    public function post(): Response {
-        csrf::check('adminlogin');
-        $password = $_POST['password'] ?? '';
-        $valid = admin::checkPassword($password);
-        if ($valid) {
-            admin::logAuth();
-            admin::setCookie();
-            return new RedirectResponse('/admin/');
-        }
-        throw new UnauthorizedException('nice try');
-    }
-
-}
\ No newline at end of file
diff --git a/handler/admin/Logout.php b/handler/admin/Logout.php
deleted file mode 100644
index bb11e43..0000000
--- a/handler/admin/Logout.php
+++ /dev/null
@@ -1,17 +0,0 @@
-<?php
-
-namespace handler\admin;
-
-use admin;
-use csrf;
-use Response;
-
-class Logout extends AdminRequestHandler {
-
-    public function get(): Response {
-        csrf::check('logout');
-        admin::unsetCookie();
-        return new \RedirectResponse('/admin/login/');
-    }
-
-}
\ No newline at end of file
diff --git a/handler/admin/MarkdownPreview.php b/handler/admin/MarkdownPreview.php
deleted file mode 100644
index e513709..0000000
--- a/handler/admin/MarkdownPreview.php
+++ /dev/null
@@ -1,22 +0,0 @@
-<?php
-
-namespace handler\admin;
-
-use Response;
-
-class MarkdownPreview extends AdminRequestHandler {
-
-    public function post(): Response {
-        list($md, $title, $use_image_previews) = $this->input('md, title, b:use_image_previews');
-
-        $html = \markup::markdownToHtml($md, $use_image_previews);
-
-        $ctx = new \SkinContext('\\skin\\admin');
-        $html = $ctx->markdownPreview(
-            unsafe_html: $html,
-            title: $title
-        );
-        return new \AjaxOkResponse(['html' => $html]);
-    }
-
-}
\ No newline at end of file
diff --git a/handler/admin/PageAdd.php b/handler/admin/PageAdd.php
deleted file mode 100644
index 42a9911..0000000
--- a/handler/admin/PageAdd.php
+++ /dev/null
@@ -1,66 +0,0 @@
-<?php
-
-namespace handler\admin;
-
-use csrf;
-use NotFoundException;
-use pages;
-use RedirectResponse;
-use Response;
-
-class PageAdd extends AutoAddOrEdit {
-
-    public function get(): Response {
-        list($name) = $this->input('short_name');
-        $page = pages::getPageByName($name);
-        if ($page)
-            throw new NotFoundException();
-
-        return $this->_get_pageAdd($name);
-    }
-
-    public function post(): Response {
-        csrf::check('addpage');
-
-        list($name) = $this->input('short_name');
-        $page = pages::getPageByName($name);
-        if ($page)
-            throw new NotFoundException();
-
-        $text = trim($_POST['text'] ?? '');
-        $title = trim($_POST['title'] ?? '');
-        $error_code = null;
-
-        if (!$title) {
-            $error_code = 'no_title';
-        } else if (!$text) {
-            $error_code = 'no_text';
-        }
-
-        if ($error_code) {
-            return $this->_get_pageAdd(
-                name: $name,
-                title: $title,
-                text: $text,
-                error_code: $error_code
-            );
-        }
-
-        if (!pages::add([
-            'short_name' => $name,
-            'title' => $title,
-            'md' => $text
-        ])) {
-            return $this->_get_pageAdd(
-                name: $name,
-                title: $title,
-                text: $text,
-                error_code: 'db_err'
-            );
-        }
-
-        $page = pages::getPageByName($name);
-        return new RedirectResponse($page->getUrl());
-    }
-
-}
\ No newline at end of file
diff --git a/handler/admin/PostAdd.php b/handler/admin/PostAdd.php
deleted file mode 100644
index c21a239..0000000
--- a/handler/admin/PostAdd.php
+++ /dev/null
@@ -1,68 +0,0 @@
-<?php
-
-namespace handler\admin;
-
-use csrf;
-use posts;
-use RedirectResponse;
-use Response;
-
-class PostAdd extends AutoAddOrEdit {
-
-    public function get(): Response {
-        return $this->_get_postAdd();
-    }
-
-    public function post(): Response {
-        csrf::check('addpost');
-
-        list($text, $title, $tags, $visible, $short_name)
-            = $this->input('text, title, tags, b:visible, short_name');
-        $tags = posts::splitStringToTags($tags);
-
-        $error_code = null;
-
-        if (!$title) {
-            $error_code = 'no_title';
-        } else if (!$text) {
-            $error_code = 'no_text';
-        } else if (empty($tags)) {
-            $error_code = 'no_tags';
-        } else if (empty($short_name)) {
-            $error_code = 'no_short_name';
-        }
-
-        if ($error_code)
-            return $this->_get_postAdd(
-                text: $text,
-                title: $title,
-                tags: $tags,
-                short_name: $short_name,
-                error_code: $error_code
-            );
-
-        $id = posts::add([
-            'title' => $title,
-            'md' => $text,
-            'visible' => (int)$visible,
-            'short_name' => $short_name,
-        ]);
-
-        if (!$id)
-            $this->_get_postAdd(
-                text: $text,
-                title: $title,
-                tags: $tags,
-                short_name: $short_name,
-                error_code: 'db_err'
-            );
-
-        // set tags
-        $post = posts::get($id);
-        $tag_ids = posts::getTagIds($tags);
-        $post->setTagIds($tag_ids);
-
-        return new RedirectResponse($post->getUrl());
-    }
-
-}
\ No newline at end of file
diff --git a/handler/admin/UploadDelete.php b/handler/admin/UploadDelete.php
deleted file mode 100644
index 26b58b7..0000000
--- a/handler/admin/UploadDelete.php
+++ /dev/null
@@ -1,25 +0,0 @@
-<?php
-
-namespace handler\admin;
-
-use csrf;
-use RedirectResponse;
-use Response;
-
-class UploadDelete extends AdminRequestHandler {
-
-    public function get(): Response {
-        list($id) = $this->input('i:id');
-
-        $upload = \uploads::get($id);
-        if (!$upload)
-            return new RedirectResponse('/uploads/?error='.urlencode('upload not found'));
-
-        csrf::check('delupl'.$id);
-
-        \uploads::delete($id);
-
-        return new RedirectResponse('/uploads/');
-    }
-
-}
\ No newline at end of file
diff --git a/handler/admin/UploadEditNote.php b/handler/admin/UploadEditNote.php
deleted file mode 100644
index e7cdbb2..0000000
--- a/handler/admin/UploadEditNote.php
+++ /dev/null
@@ -1,25 +0,0 @@
-<?php
-
-namespace handler\admin;
-
-use csrf;
-use Response;
-
-class UploadEditNote extends AdminRequestHandler {
-
-    public function post(): Response {
-        list($id) = $this->input('i:id');
-
-        $upload = \uploads::get($id);
-        if (!$upload)
-            return new \RedirectResponse('/uploads/?error='.urlencode('upload not found'));
-
-        csrf::check('editupl'.$id);
-
-        $note = $_POST['note'] ?? '';
-        $upload->setNote($note);
-
-        return new \RedirectResponse('/uploads/');
-    }
-
-}
\ No newline at end of file
diff --git a/handler/admin/Uploads.php b/handler/admin/Uploads.php
deleted file mode 100644
index 0cbb2f6..0000000
--- a/handler/admin/Uploads.php
+++ /dev/null
@@ -1,73 +0,0 @@
-<?php
-
-namespace handler\admin;
-
-use csrf;
-use RedirectResponse;
-use Response;
-
-// So it's 2022 outside, and it's PHP 8.1 already, which is actually so cool comparing to 5.x and even 7.4, but...
-// ...class names are still case-insensitive?!! And I can't import \uploads because it's the same as Uploads?!!
-//
-// PHP, what the fuck is wrong with you?!
-
-class Uploads extends AdminRequestHandler {
-
-    public function get(): Response {
-        list($error) = $this->input('error');
-        $uploads = \uploads::getAll();
-
-        $this->skin->title = ($this->lang)('blog_upload');
-        return $this->skin->renderPage('admin/uploads',
-            error: $error,
-            uploads: $uploads);
-    }
-
-    public function post(): Response {
-        csrf::check('addupl');
-
-        list($custom_name, $note) = $this->input('name, note');
-
-        if (!isset($_FILES['files']))
-            return new RedirectResponse('/uploads/?error='.urlencode('no file'));
-
-        $files = [];
-        for ($i = 0; $i < count($_FILES['files']['name']); $i++) {
-            $files[] = [
-                'name' => $_FILES['files']['name'][$i],
-                'type' => $_FILES['files']['type'][$i],
-                'tmp_name' => $_FILES['files']['tmp_name'][$i],
-                'error' => $_FILES['files']['error'][$i],
-                'size' => $_FILES['files']['size'][$i],
-            ];
-        }
-
-        if (count($files) > 1) {
-            $note = '';
-            $custom_name = '';
-        }
-
-        foreach ($files as $f) {
-            if ($f['error'])
-                return new RedirectResponse('/uploads/?error='.urlencode('error code '.$f['error']));
-
-            if (!$f['size'])
-                return new RedirectResponse('/uploads/?error='.urlencode('received empty file'));
-
-            $ext = extension($f['name']);
-            if (!\uploads::isExtensionAllowed($ext))
-                return new RedirectResponse('/uploads/?error='.urlencode('extension not allowed'));
-
-            $upload_id = \uploads::add(
-                $f['tmp_name'],
-                $custom_name ?: $f['name'],
-                $note);
-
-            if (!$upload_id)
-                return new RedirectResponse('/uploads/?error='.urlencode('failed to create upload'));
-        }
-
-        return new RedirectResponse('/uploads/');
-    }
-
-}
\ No newline at end of file