Fixed some URLs not getting registered properly.

assets/misuzu.css/news/feeds.css

@@ -1,6 +1,6 @@
 .news__feeds {
     display: grid;
-    grid-template-columns: 1fr 1fr;
+    grid-template-columns: 1fr;
     grid-gap: 2px;
     padding: 2px;
 }

assets/misuzu.js/messages/messages.js

@@ -1,5 +1,5 @@
 #include csrfp.js
-#include msgbox.js
+#include msgbox.jsx
 #include utility.js
 #include messages/actbtn.js
 #include messages/list.js

build.js

@@ -1,157 +1,30 @@
-// IMPORTS
+const assproc = require('@railcomm/assproc');
+const { join: pathJoin } = require('path');
 const fs = require('fs');
-const swc = require('@swc/core');
-const path = require('path');
-const util = require('util');
-const postcss = require('postcss');
-const utils = require('./assets/utils.js');
-const assproc = require('./assets/assproc.js');
 
-
-// CONFIG
-const rootDir = __dirname;
-const srcDir = path.join(rootDir, 'assets');
-const srcCurrentInfo = path.join(srcDir, 'current.json');
-const pubDir = path.join(rootDir, 'public');
-const pubAssetsDir = path.join(pubDir, 'assets');
-
-const isDebugBuild = fs.existsSync(path.join(rootDir, '.debug'));
-
-const buildTasks = {
-    js: [
-        { source: 'misuzu.js', target: '/assets', name: 'misuzu.{hash}.js', },
-    ],
-    css: [
-        { source: 'misuzu.css', target: '/assets', name: 'misuzu.{hash}.css', },
-    ],
-};
-
-
-// PREP
-const postcssPlugins = [ require('autoprefixer')({ remove: false }) ];
-if(!isDebugBuild)
-    postcssPlugins.push(require('cssnano')({
-        preset: [
-            'cssnano-preset-default',
-            {
-                minifyGradients: false,
-                reduceIdents: false,
-                zindex: true,
-            }
-        ],
-    }));
-
-const swcJscOptions = {
-    target: 'es2021',
-    loose: false,
-    externalHelpers: false,
-    keepClassNames: true,
-    preserveAllComments: false,
-    transform: {},
-    parser: {
-        syntax: 'ecmascript',
-        jsx: true,
-        dynamicImport: false,
-        privateMethod: false,
-        functionBind: false,
-        exportDefaultFrom: false,
-        exportNamespaceFrom: false,
-        decorators: false,
-        decoratorsBeforeExport: false,
-        topLevelAwait: true,
-        importMeta: false,
-    },
-    transform: {
-        react: {
-            runtime: 'classic',
-            pragma: '$er',
-        },
-    },
-};
-
-
-// BUILD
 (async () => {
-    const files = {};
+    const isDebug = fs.existsSync(pathJoin(__dirname, '.debug'));
 
-    console.log('Ensuring assets directory exists...');
-    fs.mkdirSync(pubAssetsDir, { recursive: true });
+    const env = {
+        root: __dirname,
+        source: pathJoin(__dirname, 'assets'),
+        public: pathJoin(__dirname, 'public'),
+        debug: isDebug,
+        swc: {
+            es: 'es2021',
+        },
+    };
 
+    const tasks = {
+        js: [
+            { source: 'misuzu.js', target: '/assets', name: 'misuzu.{hash}.js', },
+        ],
+        css: [
+            { source: 'misuzu.css', target: '/assets', name: 'misuzu.{hash}.css', },
+        ],
+    };
 
-    console.log();
-    console.log('JS assets');
-    for(const info of buildTasks.js) {
-        console.log(`=> Building ${info.source}...`);
+    const files = await assproc.process(env, tasks);
 
-        let origTarget = undefined;
-        if('es' in info) {
-            origTarget = swcJscOptions.target;
-            swcJscOptions.target = info.es;
-        }
-
-        const assprocOpts = {
-            prefix: '#',
-            entry: info.entry || 'main.js',
-        };
-        const swcOpts = {
-            filename: info.source,
-            sourceMaps: false,
-            isModule: false,
-            minify: !isDebugBuild,
-            jsc: swcJscOptions,
-        };
-
-        const pubName = await assproc.process(path.join(srcDir, info.source), assprocOpts)
-            .then(output => swc.transform(output, swcOpts))
-            .then(output => {
-                const name = utils.strtr(info.name, { hash: utils.shortHash(output.code) });
-                const pubName = path.join(info.target || '', name);
-
-                console.log(` Saving to ${pubName}...`);
-                fs.writeFileSync(path.join(pubDir, pubName), output.code);
-
-                return pubName;
-            });
-
-        if(origTarget !== undefined)
-            swcJscOptions.target = origTarget;
-
-        files[info.source] = pubName;
-    }
-
-
-    console.log();
-    console.log('CSS assets');
-    for(const info of buildTasks.css) {
-        console.log(`=> Building ${info.source}...`);
-
-        const sourcePath = path.join(srcDir, info.source);
-        const assprocOpts = {
-            prefix: '@',
-            entry: info.entry || 'main.css',
-        };
-        const postcssOpts = { from: sourcePath };
-
-        files[info.source] = await assproc.process(sourcePath, assprocOpts)
-            .then(output => postcss(postcssPlugins).process(output, postcssOpts)
-            .then(output => {
-                const name = utils.strtr(info.name, { hash: utils.shortHash(output.css) });
-                const pubName = path.join(info.target || '', name);
-
-                console.log(` Saving to ${pubName}...`);
-                fs.writeFileSync(path.join(pubDir, pubName), output.css);
-
-                return pubName;
-            }));
-    }
-
-
-    console.log();
-    console.log('Writing assets info...');
-    fs.writeFileSync(srcCurrentInfo, JSON.stringify(files));
-
-
-    console.log();
-    console.log('Cleaning up old builds...');
-    assproc.housekeep(pubAssetsDir);
+    fs.writeFileSync(pathJoin(__dirname, 'assets/current.json'), JSON.stringify(files));
 })();

composer.json

@@ -1,15 +1,13 @@
 {
-    "minimum-stability": "dev",
-    "prefer-stable": true,
     "require": {
-        "flashwave/index": "dev-master",
-        "flashwave/sasae": "dev-master",
+        "flashwave/index": "^0.2410",
+        "flashwave/aiwass": "^1.1",
         "erusev/parsedown": "~1.6",
         "chillerlan/php-qrcode": "^4.3",
         "symfony/mailer": "^6.0",
         "matomo/device-detector": "^6.1",
         "sentry/sdk": "^4.0",
-        "flashwave/syokuhou": "dev-master"
+        "nesbot/carbon": "^3.7"
     },
     "autoload": {
         "classmap": [
@@ -34,6 +32,6 @@
         }
     },
     "require-dev": {
-        "phpstan/phpstan": "^1.10"
+        "phpstan/phpstan": "^1.11"
     }
 }

database/2023_01_07_023235_initial_structure_ndx.php

@@ -1,11 +1,11 @@
 <?php
-use Index\Data\IDbConnection;
-use Index\Data\Migration\IDbMigration;
+use Index\Db\DbConnection;
+use Index\Db\Migration\DbMigration;
 
 // Switching to the Index migration system!!!!!!
 
-final class InitialStructureNdx_20230107_023235 implements IDbMigration {
-    public function migrate(IDbConnection $conn): void {
+final class InitialStructureNdx_20230107_023235 implements DbMigration {
+    public function migrate(DbConnection $conn): void {
         $hasMszTrack = false;
 
         // check if the old migrations table exists

database/2023_04_30_001226_create_topic_redirs_table.php

@@ -1,9 +1,9 @@
 <?php
-use Index\Data\IDbConnection;
-use Index\Data\Migration\IDbMigration;
+use Index\Db\DbConnection;
+use Index\Db\Migration\DbMigration;
 
-final class CreateTopicRedirsTable_20230430_001226 implements IDbMigration {
-    public function migrate(IDbConnection $conn): void {
+final class CreateTopicRedirsTable_20230430_001226 implements DbMigration {
+    public function migrate(DbConnection $conn): void {
         $conn->execute('
             CREATE TABLE msz_forum_topics_redirects (
                 topic_id            INT(10) UNSIGNED NOT NULL,

database/2023_07_21_121854_update_user_agent_storage.php

@@ -1,10 +1,10 @@
 <?php
-use Index\Data\IDbConnection;
-use Index\Data\Migration\IDbMigration;
+use Index\Db\DbConnection;
+use Index\Db\Migration\DbMigration;
 use Misuzu\ClientInfo;
 
-final class UpdateUserAgentStorage_20230721_121854 implements IDbMigration {
-    public function migrate(IDbConnection $conn): void {
+final class UpdateUserAgentStorage_20230721_121854 implements DbMigration {
+    public function migrate(DbConnection $conn): void {
         // convert user agent fields to BLOB and add field for client info storage
         $conn->execute('
             ALTER TABLE msz_login_attempts

database/2023_07_24_201010_add_moderator_notes_table.php

@@ -1,9 +1,9 @@
 <?php
-use Index\Data\IDbConnection;
-use Index\Data\Migration\IDbMigration;
+use Index\Db\DbConnection;
+use Index\Db\Migration\DbMigration;
 
-final class AddModeratorNotesTable_20230724_201010 implements IDbMigration {
-    public function migrate(IDbConnection $conn): void {
+final class AddModeratorNotesTable_20230724_201010 implements DbMigration {
+    public function migrate(DbConnection $conn): void {
         $conn->execute('
             CREATE TABLE msz_users_modnotes (
                 note_id      INT(10) UNSIGNED NOT NULL AUTO_INCREMENT,

database/2023_07_26_175936_add_new_bans_table.php

@@ -1,9 +1,9 @@
 <?php
-use Index\Data\IDbConnection;
-use Index\Data\Migration\IDbMigration;
+use Index\Db\DbConnection;
+use Index\Db\Migration\DbMigration;
 
-final class AddNewBansTable_20230726_175936 implements IDbMigration {
-    public function migrate(IDbConnection $conn): void {
+final class AddNewBansTable_20230726_175936 implements DbMigration {
+    public function migrate(DbConnection $conn): void {
         $conn->execute('
             CREATE TABLE msz_users_bans (
                 ban_id             INT(10) UNSIGNED NOT NULL AUTO_INCREMENT,

database/2023_07_26_210150_redo_warnings_table.php

@@ -1,9 +1,9 @@
 <?php
-use Index\Data\IDbConnection;
-use Index\Data\Migration\IDbMigration;
+use Index\Db\DbConnection;
+use Index\Db\Migration\DbMigration;
 
-final class RedoWarningsTable_20230726_210150 implements IDbMigration {
-    public function migrate(IDbConnection $conn): void {
+final class RedoWarningsTable_20230726_210150 implements DbMigration {
+    public function migrate(DbConnection $conn): void {
         $conn->execute('
             CREATE TABLE msz_users_warnings (
                 warn_id      INT(10) UNSIGNED NOT NULL AUTO_INCREMENT,

database/2023_07_27_130516_pluralise_users_for_role_relations.php

@@ -1,9 +1,9 @@
 <?php
-use Index\Data\IDbConnection;
-use Index\Data\Migration\IDbMigration;
+use Index\Db\DbConnection;
+use Index\Db\Migration\DbMigration;
 
-final class PluraliseUsersForRoleRelations_20230727_130516 implements IDbMigration {
-    public function migrate(IDbConnection $conn): void {
+final class PluraliseUsersForRoleRelations_20230727_130516 implements DbMigration {
+    public function migrate(DbConnection $conn): void {
         $conn->execute('RENAME TABLE msz_user_roles TO msz_users_roles');
     }
 }

database/2023_07_28_212101_create_counters_table.php

@@ -1,9 +1,9 @@
 <?php
-use Index\Data\IDbConnection;
-use Index\Data\Migration\IDbMigration;
+use Index\Db\DbConnection;
+use Index\Db\Migration\DbMigration;
 
-final class CreateCountersTable_20230728_212101 implements IDbMigration {
-    public function migrate(IDbConnection $conn): void {
+final class CreateCountersTable_20230728_212101 implements DbMigration {
+    public function migrate(DbConnection $conn): void {
         $conn->execute('
             CREATE TABLE msz_counters (
                 counter_name    VARBINARY(64) NOT NULL,

database/2023_08_03_114403_update_collations_in_various_tables.php

@@ -1,9 +1,9 @@
 <?php
-use Index\Data\IDbConnection;
-use Index\Data\Migration\IDbMigration;
+use Index\Db\DbConnection;
+use Index\Db\Migration\DbMigration;
 
-final class UpdateCollationsInVariousTables_20230803_114403 implements IDbMigration {
-    public function migrate(IDbConnection $conn): void {
+final class UpdateCollationsInVariousTables_20230803_114403 implements DbMigration {
+    public function migrate(DbConnection $conn): void {
         $conn->execute('
             ALTER TABLE msz_audit_log
                 CHANGE COLUMN log_action  log_action  VARCHAR(50) NOT NULL              COLLATE "ascii_general_ci" AFTER user_id,

database/2023_08_30_213930_new_permissions_system.php

@@ -1,9 +1,9 @@
 <?php
-use Index\Data\IDbConnection;
-use Index\Data\Migration\IDbMigration;
+use Index\Db\DbConnection;
+use Index\Db\Migration\DbMigration;
 
-final class NewPermissionsSystem_20230830_213930 implements IDbMigration {
-    public function migrate(IDbConnection $conn): void {
+final class NewPermissionsSystem_20230830_213930 implements DbMigration {
+    public function migrate(DbConnection $conn): void {
         // make sure cron doesn't fuck us over
         $conn->execute('DELETE FROM msz_config WHERE config_name = "perms.needsRecalc"');
 

database/2024_01_30_233734_create_messages_table.php

@@ -1,9 +1,9 @@
 <?php
-use Index\Data\IDbConnection;
-use Index\Data\Migration\IDbMigration;
+use Index\Db\DbConnection;
+use Index\Db\Migration\DbMigration;
 
-final class CreateMessagesTable_20240130_233734 implements IDbMigration {
-    public function migrate(IDbConnection $conn): void {
+final class CreateMessagesTable_20240130_233734 implements DbMigration {
+    public function migrate(DbConnection $conn): void {
         $conn->execute('
             CREATE TABLE msz_messages (
                 msg_id BINARY(8) NOT NULL,

database/2024_06_02_194809_base_sixty_four_encode_pms_in_db.php

@@ -1,9 +1,9 @@
 <?php
-use Index\Data\IDbConnection;
-use Index\Data\Migration\IDbMigration;
+use Index\Db\DbConnection;
+use Index\Db\Migration\DbMigration;
 
-final class BaseSixtyFourEncodePmsInDb_20240602_194809 implements IDbMigration {
-    public function migrate(IDbConnection $conn): void {
+final class BaseSixtyFourEncodePmsInDb_20240602_194809 implements DbMigration {
+    public function migrate(DbConnection $conn): void {
         $conn->execute('UPDATE msz_messages SET msg_title = TO_BASE64(msg_title), msg_body = TO_BASE64(msg_body)');
         $conn->execute('
             ALTER TABLE `msz_messages`

database/2024_09_16_205613_add_role_id_string.php

@@ -0,0 +1,13 @@
+<?php
+use Index\Db\DbConnection;
+use Index\Db\Migration\DbMigration;
+
+final class AddRoleIdString_20240916_205613 implements DbMigration {
+    public function migrate(DbConnection $conn): void {
+        $conn->execute(<<<SQL
+            ALTER TABLE msz_roles
+                ADD COLUMN role_string VARCHAR(20) NULL DEFAULT NULL COLLATE 'ascii_general_ci' AFTER role_id,
+                ADD UNIQUE INDEX roles_string_unique (role_string);
+        SQL);
+    }
+}

docs/source.md

@@ -13,6 +13,7 @@ Below are a number of links to source code repositories related to Flashii.net a
   - [Seria](https://patchii.net/flashii/seria): Software used by the downloads tracker.
   - [Mince](https://patchii.net/flashii/mince): Source code for the Minecraft servers subwebsite.
   - [Awaki](https://patchii.net/flashii/awaki): Redirect service hosted on fii.moe.
+  - [Aleister](https://patchii.net/flashii/aleister): Public API gateway.
 
 ## Tools & Software
   - [SoFii](https://patchii.net/flashii/sofii): Launcher for Soldier of Fortune 2
@@ -21,8 +22,7 @@ Below are a number of links to source code repositories related to Flashii.net a
 
 ## First-Party Libraries
   - [Index](https://patchii.net/flash/index): Base library used in almost any component of the website that uses PHP.
-  - [Sasae](https://patchii.net/flash/sasae): Extension to the Twig templating library.
-  - [Syokuhou](https://patchii.net/flash/syokuhou): Configuration library.
+  - [Aiwass](https://patchii.net/flashii/aiwass): Internal RPC extension, mainly used to supply data to the API gateway.
 
 ## Historical
   - [AJAX Chat (fork)](https://patchii.net/flashii/ajax-chat): Old chat software (2013-2015). Still kept on life support for the nostalgia.

misuzu.php

@@ -1,10 +1,9 @@
 <?php
 namespace Misuzu;
 
-use Index\Environment;
-use Index\Data\DbTools;
-use Syokuhou\DbConfig;
-use Syokuhou\SharpConfig;
+use Index\Db\DbTools;
+use Index\Config\Db\DbConfig;
+use Index\Config\Fs\FsConfig;
 
 define('MSZ_STARTUP', microtime(true));
 define('MSZ_ROOT', __DIR__);
@@ -19,11 +18,11 @@ define('MSZ_ASSETS', MSZ_ROOT . '/assets');
 
 require_once MSZ_ROOT . '/vendor/autoload.php';
 
-Environment::setDebug(MSZ_DEBUG);
+error_reporting(MSZ_DEBUG ? -1 : 0);
 mb_internal_encoding('UTF-8');
-date_default_timezone_set('UTC');
+date_default_timezone_set('GMT');
 
-$cfg = SharpConfig::fromFile(MSZ_CONFIG . '/config.cfg');
+$cfg = FsConfig::fromFile(MSZ_CONFIG . '/config.cfg');
 
 if($cfg->hasValues('sentry:dsn'))
     (function($cfg) {

package.json

@@ -1,8 +1,5 @@
 {
   "dependencies": {
-    "@swc/core": "^1.5.24",
-    "autoprefixer": "^10.4.19",
-    "cssnano": "^6.1.2",
-    "postcss": "^8.4.38"
+    "@railcomm/assproc": "^1.0.0"
   }
 }

phpstan.neon

@@ -4,3 +4,6 @@ parameters:
     - src
   bootstrapFiles:
     - misuzu.php
+  dynamicConstantNames:
+    - MSZ_CLI
+    - MSZ_DEBUG

public-legacy/auth/login.php

@@ -4,7 +4,7 @@ namespace Misuzu;
 use Exception;
 use Misuzu\Auth\AuthTokenCookie;
 
-$urls = $msz->getURLs();
+$urls = $msz->getUrls();
 $authInfo = $msz->getAuthInfo();
 if($authInfo->isLoggedIn()) {
     Tools::redirect($urls->format('index'));

public-legacy/auth/logout.php

@@ -24,4 +24,4 @@ if($authInfo->isLoggedIn()) {
     AuthTokenCookie::apply($tokenPacker->pack($tokenInfo));
 }
 
-Tools::redirect($msz->getURLs()->format('index'));;
+Tools::redirect($msz->getUrls()->format('index'));;

public-legacy/auth/password.php

@@ -4,7 +4,7 @@ namespace Misuzu;
 use RuntimeException;
 use Misuzu\Users\User;
 
-$urls = $msz->getURLs();
+$urls = $msz->getUrls();
 $authInfo = $msz->getAuthInfo();
 if($authInfo->isLoggedIn()) {
     Tools::redirect($urls->format('settings-account'));

public-legacy/auth/register.php

@@ -4,7 +4,7 @@ namespace Misuzu;
 use RuntimeException;
 use Misuzu\Users\User;
 
-$urls = $msz->getURLs();
+$urls = $msz->getUrls();
 $authInfo = $msz->getAuthInfo();
 if($authInfo->isLoggedIn()) {
     Tools::redirect($urls->format('index'));

public-legacy/auth/revert.php

@@ -3,7 +3,7 @@ namespace Misuzu;
 
 use Misuzu\Auth\AuthTokenCookie;
 
-$urls = $msz->getURLs();
+$urls = $msz->getUrls();
 if(CSRF::validateRequest()) {
     $tokenInfo = $msz->getAuthInfo()->getTokenInfo();
 

public-legacy/auth/twofactor.php

@@ -5,7 +5,7 @@ use RuntimeException;
 use Misuzu\TOTPGenerator;
 use Misuzu\Auth\AuthTokenCookie;
 
-$urls = $msz->getURLs();
+$urls = $msz->getUrls();
 $authInfo = $msz->getAuthInfo();
 if($authInfo->isLoggedIn()) {
     Tools::redirect($urls->format('index'));

public-legacy/comments.php

@@ -4,7 +4,7 @@ namespace Misuzu;
 use RuntimeException;
 
 $usersCtx = $msz->getUsersContext();
-$redirect = filter_input(INPUT_GET, 'return') ?? $_SERVER['HTTP_REFERER'] ?? $msz->getURLs()->format('index');
+$redirect = filter_input(INPUT_GET, 'return') ?? $_SERVER['HTTP_REFERER'] ?? $msz->getUrls()->format('index');
 
 if(!Tools::isLocalURL($redirect))
     Template::displayInfo('Possible request forgery detected.', 403);

public-legacy/forum/index.php

@@ -32,14 +32,14 @@ if($mode === 'mark') {
                 $forumCategories->updateUserReadCategory($userInfo, $categoryInfo);
         }
 
-        Tools::redirect($msz->getURLs()->format($categoryId ? 'forum-category' : 'forum-index', ['forum' => $categoryId]));
+        Tools::redirect($msz->getUrls()->format($categoryId ? 'forum-category' : 'forum-index', ['forum' => $categoryId]));
         return;
     }
 
     Template::render('confirm', [
         'title' => 'Mark forum as read',
         'message' => 'Are you sure you want to mark ' . ($categoryId < 1 ? 'the entire' : 'this') . ' forum as read?',
-        'return' => $msz->getURLs()->format($categoryId ? 'forum-category' : 'forum-index', ['forum' => $categoryId]),
+        'return' => $msz->getUrls()->format($categoryId ? 'forum-category' : 'forum-index', ['forum' => $categoryId]),
         'params' => [
             'forum' => $categoryId,
         ]

public-legacy/forum/leaderboard.php

@@ -94,7 +94,7 @@ MD;
         $markdown .= sprintf("| %s | [%s](%s%s) | %s |\r\n", $ranking->position,
             $ranking->user?->getName() ?? 'Deleted User',
             $msz->getSiteInfo()->getURL(),
-            $msz->getURLs()->format('user-profile', ['user' => $ranking->userId]),
+            $msz->getUrls()->format('user-profile', ['user' => $ranking->userId]),
             number_format($ranking->postsCount));
     }
 

public-legacy/forum/post.php

@@ -3,7 +3,7 @@ namespace Misuzu;
 
 use RuntimeException;
 
-$urls = $msz->getURLs();
+$urls = $msz->getUrls();
 $forumCtx = $msz->getForumContext();
 $forumPosts = $forumCtx->getPosts();
 $usersCtx = $msz->getUsersContext();

public-legacy/forum/posting.php

@@ -3,9 +3,10 @@ namespace Misuzu;
 
 use stdClass;
 use RuntimeException;
-use Index\DateTime;
 use Misuzu\Forum\ForumTopicInfo;
 use Misuzu\Parsers\Parser;
+use Index\XDateTime;
+use Carbon\CarbonImmutable;
 
 $authInfo = $msz->getAuthInfo();
 if(!$authInfo->isLoggedIn())
@@ -152,11 +153,11 @@ if(!empty($_POST)) {
         if($mode === 'create') {
             $postTimeout = $cfg->getInteger('forum.posting.timeout', 5);
             if($postTimeout > 0) {
-                $postTimeoutThreshold = DateTime::now()->modify(sprintf('-%d seconds', $postTimeout));
+                $postTimeoutThreshold = new CarbonImmutable(sprintf('-%d seconds', $postTimeout));
                 $lastPostCreatedAt = $forumPosts->getUserLastPostCreatedAt($currentUser);
 
-                if($lastPostCreatedAt->isMoreThan($postTimeoutThreshold)) {
-                    $waitSeconds = $postTimeout + ($lastPostCreatedAt->getUnixTimeSeconds() - time());
+                if(XDateTime::compare($lastPostCreatedAt, $postTimeoutThreshold) > 0) {
+                    $waitSeconds = $postTimeout + ((int)$lastPostCreatedAt->format('U') - time());
 
                     $notices[] = sprintf("You're posting too quickly! Please wait %s seconds before posting again.", number_format($waitSeconds));
                     $notices[] = "It's possible that your post went through successfully and you pressed the submit button twice by accident.";
@@ -257,7 +258,7 @@ if(!empty($_POST)) {
 
             if(empty($notices)) {
                 // does this ternary ever return forum-topic?
-                $redirect = $msz->getURLs()->format(empty($topicInfo) ? 'forum-topic' : 'forum-post', [
+                $redirect = $msz->getUrls()->format(empty($topicInfo) ? 'forum-topic' : 'forum-post', [
                     'topic' => $topicId ?? 0,
                     'post' => $postId ?? 0,
                 ]);

public-legacy/forum/topic.php

@@ -4,7 +4,7 @@ namespace Misuzu;
 use stdClass;
 use RuntimeException;
 
-$urls = $msz->getURLs();
+$urls = $msz->getUrls();
 $forumCtx = $msz->getForumContext();
 $forumCategories = $forumCtx->getCategories();
 $forumTopics = $forumCtx->getTopics();

public-legacy/manage/changelog/change.php

@@ -3,9 +3,9 @@ namespace Misuzu;
 
 use DateTimeInterface;
 use RuntimeException;
-use Index\DateTime;
-use Index\XArray;
 use Misuzu\Changelog\Changelog;
+use Carbon\CarbonImmutable;
+use Index\{XArray,XDateTime};
 
 $authInfo = $msz->getAuthInfo();
 if(!$authInfo->getPerms('global')->check(Perm::G_CL_CHANGES_MANAGE))
@@ -15,7 +15,7 @@ $changeActions = [];
 foreach(Changelog::ACTIONS as $action)
     $changeActions[$action] = Changelog::actionText($action);
 
-$urls = $msz->getURLs();
+$urls = $msz->getUrls();
 $changelog = $msz->getChangelog();
 $changeId = (string)filter_input(INPUT_GET, 'c', FILTER_SANITIZE_NUMBER_INT);
 $changeInfo = null;
@@ -58,8 +58,8 @@ while($_SERVER['REQUEST_METHOD'] === 'POST' && CSRF::validateRequest()) {
     if(empty($createdAt))
         $createdAt = null;
     else {
-        $createdAt = DateTime::createFromFormat(DateTimeInterface::ATOM, $createdAt . ':00Z');
-        if($createdAt->getUnixTimeSeconds() < 0)
+        $createdAt = CarbonImmutable::createFromFormat(DateTimeInterface::ATOM, $createdAt . ':00Z');
+        if((int)$createdAt->format('U') < 0)
             $createdAt = null;
     }
 
@@ -72,7 +72,7 @@ while($_SERVER['REQUEST_METHOD'] === 'POST' && CSRF::validateRequest()) {
             $summary = null;
         if($body === $changeInfo->getBody())
             $body = null;
-        if($createdAt !== null && $createdAt->equals($changeInfo->getCreatedAt()))
+        if($createdAt !== null && XDateTime::compare($createdAt, $changeInfo->getCreatedAt()) === 0)
             $createdAt = null;
         $updateUserInfo = $userId !== $changeInfo->getUserId();
 

public-legacy/manage/changelog/tag.php

@@ -6,7 +6,7 @@ use RuntimeException;
 if(!$msz->getAuthInfo()->getPerms('global')->check(Perm::G_CL_TAGS_MANAGE))
     Template::throwError(403);
 
-$urls = $msz->getURLs();
+$urls = $msz->getUrls();
 $changelog = $msz->getChangelog();
 $tagId = (string)filter_input(INPUT_GET, 't', FILTER_SANITIZE_NUMBER_INT);
 $loadTagInfo = fn() => $changelog->getTag($tagId);

public-legacy/manage/forum/redirs.php

@@ -5,7 +5,7 @@ $authInfo = $msz->getAuthInfo();
 if(!$authInfo->getPerms('global')->check(Perm::G_FORUM_TOPIC_REDIRS_MANAGE))
     Template::throwError(403);
 
-$urls = $msz->getURLs();
+$urls = $msz->getUrls();
 $forumCtx = $msz->getForumContext();
 $forumTopicRedirects = $forumCtx->getTopicRedirects();
 

public-legacy/manage/general/emoticon.php

@@ -97,7 +97,7 @@ while($_SERVER['REQUEST_METHOD'] === 'POST' && CSRF::validateRequest()) {
         [$emoteInfo->getId()]
     );
 
-    Tools::redirect($msz->getURLs()->format('manage-general-emoticon', ['emote' => $emoteInfo->getId()]));
+    Tools::redirect($msz->getUrls()->format('manage-general-emoticon', ['emote' => $emoteInfo->getId()]));
     return;
 }
 

public-legacy/manage/general/emoticons.php

@@ -37,7 +37,7 @@ if(CSRF::validateRequest() && !empty($_GET['emote'])) {
         }
     }
 
-    Tools::redirect($msz->getURLs()->format('manage-general-emoticons'));
+    Tools::redirect($msz->getUrls()->format('manage-general-emoticons'));
     return;
 }
 

public-legacy/manage/general/setting-delete.php

@@ -13,7 +13,7 @@ if($_SERVER['REQUEST_METHOD'] === 'POST' && CSRF::validateRequest()) {
     $valueName = $valueInfo->getName();
     $msz->createAuditLog('CONFIG_DELETE', [$valueName]);
     $cfg->removeValues($valueName);
-    Tools::redirect($msz->getURLs()->format('manage-general-settings'));
+    Tools::redirect($msz->getUrls()->format('manage-general-settings'));
     return;
 }
 

public-legacy/manage/general/setting.php

@@ -1,7 +1,7 @@
 <?php
 namespace Misuzu;
 
-use Syokuhou\DbConfig;
+use Index\Config\Db\DbConfig;
 
 if(!$msz->getAuthInfo()->getPerms('global')->check(Perm::G_CONFIG_MANAGE))
     Template::throwError(403);
@@ -73,7 +73,7 @@ while($_SERVER['REQUEST_METHOD'] === 'POST' && CSRF::validateRequest()) {
 
     $msz->createAuditLog($isNew ? 'CONFIG_CREATE' : 'CONFIG_UPDATE', [$sName]);
     $applyFunc($sName, $sValue);
-    Tools::redirect($msz->getURLs()->format('manage-general-settings'));
+    Tools::redirect($msz->getUrls()->format('manage-general-settings'));
     return;
 }
 

public-legacy/manage/news/category.php

@@ -6,7 +6,7 @@ use RuntimeException;
 if(!$msz->getAuthInfo()->getPerms('global')->check(Perm::G_NEWS_CATEGORIES_MANAGE))
     Template::throwError(403);
 
-$urls = $msz->getURLs();
+$urls = $msz->getUrls();
 $news = $msz->getNews();
 $categoryId = (string)filter_input(INPUT_GET, 'c', FILTER_SANITIZE_NUMBER_INT);
 $loadCategoryInfo = fn() => $news->getCategory(categoryId: $categoryId);

public-legacy/manage/news/post.php

@@ -7,7 +7,7 @@ $authInfo = $msz->getAuthInfo();
 if(!$authInfo->getPerms('global')->check(Perm::G_NEWS_POSTS_MANAGE))
     Template::throwError(403);
 
-$urls = $msz->getURLs();
+$urls = $msz->getUrls();
 $news = $msz->getNews();
 $postId = (string)filter_input(INPUT_GET, 'p', FILTER_SANITIZE_NUMBER_INT);
 $loadPostInfo = fn() => $news->getPost($postId);

public-legacy/manage/users/ban.php

@@ -3,13 +3,13 @@ namespace Misuzu;
 
 use DateTimeInterface;
 use RuntimeException;
-use Index\DateTime;
+use Carbon\CarbonImmutable;
 
 $authInfo = $msz->getAuthInfo();
 if(!$authInfo->getPerms('user')->check(Perm::U_BANS_MANAGE))
     Template::throwError(403);
 
-$urls = $msz->getURLs();
+$urls = $msz->getUrls();
 $usersCtx = $msz->getUsersContext();
 $bans = $usersCtx->getBans();
 
@@ -56,7 +56,7 @@ while($_SERVER['REQUEST_METHOD'] === 'POST' && CSRF::validateRequest()) {
         if($expires === -1) {
             $expires = null;
         } elseif($expires === -2) {
-            $expires = DateTime::createFromFormat(DateTimeInterface::ATOM, $expiresCustom . ':00Z');
+            $expires = CarbonImmutable::createFromFormat(DateTimeInterface::ATOM, $expiresCustom . ':00Z');
         } else {
             echo 'Invalid duration specified.';
             break;

public-legacy/manage/users/note.php

@@ -13,7 +13,7 @@ $hasUserId = filter_has_var(INPUT_GET, 'u');
 if((!$hasNoteId && !$hasUserId) || ($hasNoteId && $hasUserId))
     Template::throwError(400);
 
-$urls = $msz->getURLs();
+$urls = $msz->getUrls();
 $usersCtx = $msz->getUsersContext();
 $modNotes = $usersCtx->getModNotes();
 

public-legacy/manage/users/role.php

@@ -3,7 +3,7 @@ namespace Misuzu;
 
 use RuntimeException;
 use Index\Colour\Colour;
-use Index\Colour\ColourRGB;
+use Index\Colour\ColourRgb;
 use Misuzu\Perm;
 
 $authInfo = $msz->getAuthInfo();
@@ -42,6 +42,7 @@ while($_SERVER['REQUEST_METHOD'] === 'POST' && CSRF::validateRequest()) {
         break;
     }
 
+    $roleString = (string)filter_input(INPUT_POST, 'ur_string');
     $roleName = (string)filter_input(INPUT_POST, 'ur_name');
     $roleHide = !empty($_POST['ur_hidden']);
     $roleLeavable = !empty($_POST['ur_leavable']);
@@ -54,6 +55,7 @@ while($_SERVER['REQUEST_METHOD'] === 'POST' && CSRF::validateRequest()) {
     $colourBlue = (int)filter_input(INPUT_POST, 'ur_col_blue', FILTER_SANITIZE_NUMBER_INT);
 
     Template::set([
+        'role_ur_string' => $roleString,
         'role_ur_name' => $roleName,
         'role_ur_hidden' => $roleHide,
         'role_ur_leavable' => $roleLeavable,
@@ -84,7 +86,7 @@ while($_SERVER['REQUEST_METHOD'] === 'POST' && CSRF::validateRequest()) {
 
     $roleColour = $colourInherit
         ? Colour::none()
-        : new ColourRGB($colourRed, $colourGreen, $colourBlue);
+        : new ColourRgb($colourRed, $colourGreen, $colourBlue);
 
     if(mb_strlen($roleDesc) > 1000) {
         echo 'Description may not be longer than 1000 characters.';
@@ -96,11 +98,31 @@ while($_SERVER['REQUEST_METHOD'] === 'POST' && CSRF::validateRequest()) {
         break;
     }
 
+    if(strlen($roleString) > 20) {
+        echo 'Role string may not be longer than 20 characters.';
+        break;
+    }
+    if(strlen($roleString) > 1 && !ctype_alpha($roleString[0])) {
+        echo 'Role string most start with an alphabetical character.';
+        break;
+    }
+
     if($isNew) {
-        $roleInfo = $roles->createRole($roleName, $roleRank, $roleColour, $roleTitle, $roleDesc, $roleHide, $roleLeavable);
+        $roleInfo = $roles->createRole(
+            $roleName,
+            $roleRank,
+            $roleColour,
+            string: $roleString,
+            title: $roleTitle,
+            description: $roleDesc,
+            hidden: $roleHide,
+            leavable: $roleLeavable
+        );
     } else {
         if($roleName === $roleInfo->getName())
             $roleName = null;
+        if($roleString === $roleInfo->getString())
+            $roleString = null;
         if($roleHide === $roleInfo->isHidden())
             $roleHide = null;
         if($roleLeavable === $roleInfo->isLeavable())
@@ -115,7 +137,17 @@ while($_SERVER['REQUEST_METHOD'] === 'POST' && CSRF::validateRequest()) {
         if((string)$roleColour === (string)$roleInfo->getColour())
             $roleColour = null;
 
-        $roles->updateRole($roleInfo, $roleName, $roleRank, $roleColour, $roleTitle, $roleDesc, $roleHide, $roleLeavable);
+        $roles->updateRole(
+            $roleInfo,
+            string: $roleString,
+            name: $roleName,
+            rank: $roleRank,
+            colour: $roleColour,
+            title: $roleTitle,
+            description: $roleDesc,
+            hidden: $roleHide,
+            leavable: $roleLeavable
+        );
     }
 
     $msz->createAuditLog(
@@ -136,7 +168,7 @@ while($_SERVER['REQUEST_METHOD'] === 'POST' && CSRF::validateRequest()) {
         $msz->getConfig()->setBoolean('perms.needsRecalc', true);
     }
 
-    Tools::redirect($msz->getURLs()->format('manage-role', ['role' => $roleInfo->getId()]));
+    Tools::redirect($msz->getUrls()->format('manage-role', ['role' => $roleInfo->getId()]));
     return;
 }
 

public-legacy/manage/users/user.php

@@ -12,7 +12,7 @@ $viewerPerms = $authInfo->getPerms('user');
 if(!$authInfo->isLoggedIn())
     Template::throwError(403);
 
-$urls = $msz->getURLs();
+$urls = $msz->getUrls();
 $usersCtx = $msz->getUsersContext();
 $users = $usersCtx->getUsers();
 $roles = $usersCtx->getRoles();

public-legacy/manage/users/warning.php

@@ -7,7 +7,7 @@ $authInfo = $msz->getAuthInfo();
 if(!$authInfo->getPerms('user')->check(Perm::U_WARNINGS_MANAGE))
     Template::throwError(403);
 
-$urls = $msz->getURLs();
+$urls = $msz->getUrls();
 $usersCtx = $msz->getUsersContext();
 $users = $usersCtx->getUsers();
 $warns = $usersCtx->getWarnings();

public-legacy/profile.php

@@ -5,7 +5,6 @@ use stdClass;
 use InvalidArgumentException;
 use RuntimeException;
 use Index\ByteFormat;
-use Index\DateTime;
 use Misuzu\Parsers\Parser;
 use Misuzu\Users\User;
 use Misuzu\Users\Assets\UserAvatarAsset;
@@ -15,7 +14,7 @@ $userId = !empty($_GET['u']) && is_string($_GET['u']) ? trim($_GET['u']) : 0;
 $profileMode = !empty($_GET['m']) && is_string($_GET['m']) ? (string)$_GET['m'] : '';
 $isEditing = !empty($_GET['edit']) && is_string($_GET['edit']) ? (bool)$_GET['edit'] : !empty($_POST) && is_array($_POST);
 
-$urls = $msz->getURLs();
+$urls = $msz->getUrls();
 $usersCtx = $msz->getUsersContext();
 $users = $usersCtx->getUsers();
 $forumCtx = $msz->getForumContext();

public-legacy/settings/data.php

@@ -3,7 +3,6 @@ namespace Misuzu;
 
 use ZipArchive;
 use Index\XString;
-use Index\IO\FileStream;
 use Misuzu\Users\UserInfo;
 
 $authInfo = $msz->getAuthInfo();
@@ -42,7 +41,7 @@ function db_to_zip(ZipArchive $archive, UserInfo $userInfo, string $baseName, ar
     }
 
     $tmpName = sys_get_temp_dir() . DIRECTORY_SEPARATOR . sprintf('msz-user-data-%s-%s-%s.tmp', $userId, $baseName, XString::random(8));
-    $tmpStream = FileStream::newWrite($tmpName);
+    $tmpHandle = fopen($tmpName, 'wb');
 
     try {
         $stmt = $dbConn->prepare(sprintf('SELECT %s FROM msz_%s WHERE %s = ?', implode(', ', $fields), $baseName, $userIdField));
@@ -85,12 +84,12 @@ function db_to_zip(ZipArchive $archive, UserInfo $userInfo, string $baseName, ar
                 $row[$fieldInfo['name']] = $fieldValue;
             }
 
-            $tmpStream->write(json_encode($row, JSON_INVALID_UTF8_SUBSTITUTE));
-            $tmpStream->write("\n");
+            fwrite($tmpHandle, json_encode($row, JSON_INVALID_UTF8_SUBSTITUTE));
+            fwrite($tmpHandle, "\n");
         }
     } finally {
-        $tmpStream->flush();
-        $tmpStream->close();
+        fflush($tmpHandle);
+        fclose($tmpHandle);
     }
 
     $archive->addFile($tmpName, $baseName . '.jsonl');

public-legacy/settings/sessions.php

@@ -37,7 +37,7 @@ while($_SERVER['REQUEST_METHOD'] === 'POST' && CSRF::validateRequest()) {
     }
 
     if($activeSessionKilled) {
-        Tools::redirect($msz->getURLs()->format('index'));
+        Tools::redirect($msz->getUrls()->format('index'));
         return;
     } else break;
 }

public/index.php

@@ -2,10 +2,7 @@
 namespace Misuzu;
 
 use RuntimeException;
-use Misuzu\Auth\AuthTokenBuilder;
-use Misuzu\Auth\AuthTokenCookie;
-use Misuzu\Auth\AuthTokenInfo;
-use Sasae\SasaeEnvironment;
+use Misuzu\Auth\{AuthTokenBuilder,AuthTokenCookie,AuthTokenInfo};
 
 require_once __DIR__ . '/../misuzu.php';
 

src/AuditLog/AuditLog.php

@@ -2,28 +2,23 @@
 namespace Misuzu\AuditLog;
 
 use InvalidArgumentException;
-use Index\Data\DbStatementCache;
-use Index\Data\IDbConnection;
-use Index\Data\IDbResult;
-use Index\Net\IPAddress;
+use Index\Db\{DbConnection,DbStatementCache};
 use Misuzu\Pagination;
 use Misuzu\Users\UserInfo;
 
 class AuditLog {
     private DbStatementCache $cache;
 
-    public function __construct(IDbConnection $dbConn) {
+    public function __construct(DbConnection $dbConn) {
         $this->cache = new DbStatementCache($dbConn);
     }
 
     public function countLogs(
         UserInfo|string|null $userInfo = null,
-        IPAddress|string|null $remoteAddr = null
+        ?string $remoteAddr = null
     ): int {
         if($userInfo instanceof UserInfo)
             $userInfo = $userInfo->getId();
-        if($remoteAddr instanceof IPAddress)
-            $remoteAddr = (string)$remoteAddr;
 
         $hasUserInfo = $userInfo !== null;
         $hasRemoteAddr = $remoteAddr !== null;
@@ -59,13 +54,11 @@ class AuditLog {
 
     public function getLogs(
         UserInfo|string|null $userInfo = null,
-        IPAddress|string|null $remoteAddr = null,
+        ?string $remoteAddr = null,
         ?Pagination $pagination = null
     ): iterable {
         if($userInfo instanceof UserInfo)
             $userInfo = $userInfo->getId();
-        if($remoteAddr instanceof IPAddress)
-            $remoteAddr = (string)$remoteAddr;
 
         $hasUserInfo = $userInfo !== null;
         $hasRemoteAddr = $remoteAddr !== null;
@@ -106,13 +99,11 @@ class AuditLog {
         UserInfo|string|null $userInfo,
         string $action,
         array $params = [],
-        IPAddress|string $remoteAddr = '::1',
+        string $remoteAddr = '::1',
         string $countryCode = 'XX'
     ): void {
         if($userInfo instanceof UserInfo)
             $userInfo = $userInfo->getId();
-        if($remoteAddr instanceof IPAddress)
-            $remoteAddr = (string)$remoteAddr;
 
         // action names should have stricter validation,
         // i do want to switch to a lowercase colon separated format later but i'll save that for the unified log in Hanyuu

src/AuditLog/AuditLogInfo.php

@@ -2,9 +2,8 @@
 namespace Misuzu\AuditLog;
 
 use ValueError;
-use Index\DateTime;
-use Index\Data\IDbResult;
-use Index\Net\IPAddress;
+use Carbon\CarbonImmutable;
+use Index\Db\DbResult;
 
 class AuditLogInfo {
     public function __construct(
@@ -16,7 +15,7 @@ class AuditLogInfo {
         private string $country,
     ) {}
 
-    public static function fromResult(IDbResult $result): AuditLogInfo {
+    public static function fromResult(DbResult $result): AuditLogInfo {
         return new AuditLogInfo(
             userId: $result->getStringOrNull(0),
             action: $result->getString(1),
@@ -47,18 +46,14 @@ class AuditLogInfo {
         return $this->created;
     }
 
-    public function getCreatedAt(): DateTime {
-        return DateTime::fromUnixTimeSeconds($this->created);
+    public function getCreatedAt(): CarbonImmutable {
+        return CarbonImmutable::createFromTimestampUTC($this->created);
     }
 
-    public function getRemoteAddressRaw(): string {
+    public function getRemoteAddress(): string {
         return $this->address;
     }
 
-    public function getRemoteAddress(): IPAddress {
-        return IPAddress::parse($this->address);
-    }
-
     public function getCountryCode(): string {
         return $this->country;
     }

src/Auth/AuthContext.php

@@ -1,8 +1,8 @@
 <?php
 namespace Misuzu\Auth;
 
-use Index\Data\IDbConnection;
-use Syokuhou\IConfig;
+use Index\Config\Config;
+use Index\Db\DbConnection;
 
 class AuthContext {
     private Sessions $sessions;
@@ -10,9 +10,9 @@ class AuthContext {
     private RecoveryTokens $recoveryTokens;
     private TwoFactorAuthSessions $tfaSessions;
 
-    private IConfig $config;
+    private Config $config;
 
-    public function __construct(IDbConnection $dbConn, IConfig $config) {
+    public function __construct(DbConnection $dbConn, Config $config) {
         $this->config = $config;
         $this->sessions = new Sessions($dbConn);
         $this->loginAttempts = new LoginAttempts($dbConn);

src/Auth/AuthInfo.php

@@ -1,7 +1,6 @@
 <?php
 namespace Misuzu\Auth;
 
-use Index\XArray;
 use Misuzu\Auth\SessionInfo;
 use Misuzu\Forum\ForumCategoryInfo;
 use Misuzu\Perms\IPermissionResult;

src/Auth/AuthRpcActions.php

@@ -0,0 +1,63 @@
+<?php
+namespace Misuzu\Auth;
+
+use RuntimeException;
+use Misuzu\Users\{UsersContext,UserInfo};
+use Aiwass\Server\{RpcActionHandler,RpcProcedure};
+use Index\Config\Config;
+
+final class AuthRpcActions extends RpcActionHandler {
+    public function __construct(
+        private Config $impersonateConfig,
+        private UsersContext $usersCtx,
+        private AuthContext $authCtx
+    ) {}
+
+    private function canImpersonateUserId(UserInfo $impersonator, string $targetId): bool {
+        if($impersonator->isSuperUser())
+            return true;
+
+        $whitelist = $this->impersonateConfig->getArray(sprintf('allow.u%s', $impersonator->getId()));
+        return in_array($targetId, $whitelist, true);
+    }
+
+    #[RpcProcedure('misuzu:auth:attemptMisuzuAuth')]
+    public function procAttemptMisuzuAuth(string $remoteAddr, string $token): array {
+        $tokenInfo = $this->authCtx->createAuthTokenPacker()->unpack($token);
+        if(!$tokenInfo->isEmpty())
+            $token = $tokenInfo->getSessionToken();
+
+        $sessions = $this->authCtx->getSessions();
+        try {
+            $sessionInfo = $sessions->getSession(sessionToken: $token);
+        } catch(RuntimeException $ex) {
+            return ['method' => 'misuzu', 'error' => 'token'];
+        }
+
+        if($sessionInfo->hasExpired()) {
+            $sessions->deleteSessions(sessionInfos: $sessionInfo);
+            return ['method' => 'misuzu', 'error' => 'expired'];
+        }
+
+        $sessions->recordSessionActivity(sessionInfo: $sessionInfo, remoteAddr: $remoteAddr);
+
+        $users = $this->usersCtx->getUsers();
+        $userInfo = $users->getUser($sessionInfo->getUserId(), 'id');
+        if($tokenInfo->hasImpersonatedUserId() && $this->canImpersonateUserId($userInfo, $tokenInfo->getImpersonatedUserId())) {
+            $userInfoReal = $userInfo;
+
+            try {
+                $userInfo = $users->getUser($tokenInfo->getImpersonatedUserId(), 'id');
+            } catch(RuntimeException $ex) {
+                $userInfo = $userInfoReal;
+            }
+        }
+
+        return [
+            'method' => 'misuzu',
+            'type' => 'user',
+            'user' => $userInfo->getId(),
+            'expires' => $sessionInfo->getExpiresTime(),
+        ];
+    }
+}

src/Auth/AuthTokenPacker.php

@@ -2,8 +2,7 @@
 namespace Misuzu\Auth;
 
 use RuntimeException;
-use Index\IO\MemoryStream;
-use Index\Serialisation\UriBase64;
+use Index\UriBase64;
 
 class AuthTokenPacker {
     private const EPOCH_V2 = 1682985600;
@@ -64,32 +63,40 @@ class AuthTokenPacker {
 
             $unpackTime = unpack('Nts', $timestamp);
             if($unpackTime === false)
-                throw new RuntimeException('$token does not contain a valid timestamp.');
+                return AuthTokenInfo::empty();
 
             $timestamp = $unpackTime['ts'] + self::EPOCH_V2;
 
-            $stream = MemoryStream::fromString($data);
-            $stream->seek(0);
+            $handle = fopen('php://memory', 'rb+');
+            if($handle === false)
+                return AuthTokenInfo::empty();
 
-            for(;;) {
-                $length = $stream->readChar();
-                if($length === null)
-                    break;
+            try {
+                fwrite($handle, $data);
+                fseek($handle, 0);
 
-                $length = ord($length);
-                if($length < 1)
-                    break;
+                for(;;) {
+                    $length = fgetc($handle);
+                    if($length === false)
+                        break;
 
-                $name = $stream->read($length);
-                $value = null;
-                $length = $stream->readChar();
-                if($length !== null) {
                     $length = ord($length);
-                    if($length > 0)
-                        $value = $stream->read($length);
-                }
+                    if($length < 1)
+                        break;
 
-                $builder->setProperty($name, $value);
+                    $name = fread($handle, $length);
+                    $value = null;
+                    $length = fgetc($handle);
+                    if($length !== false) {
+                        $length = ord($length);
+                        if($length > 0)
+                            $value = fread($handle, $length);
+                    }
+
+                    $builder->setProperty($name, $value);
+                }
+            } finally {
+                fclose($handle);
             }
         } else
             return AuthTokenInfo::empty();

src/Auth/LoginAttemptInfo.php

@@ -1,10 +1,9 @@
 <?php
 namespace Misuzu\Auth;
 
-use Index\DateTime;
-use Index\Data\IDbResult;
-use Index\Net\IPAddress;
 use Misuzu\ClientInfo;
+use Carbon\CarbonImmutable;
+use Index\Db\DbResult;
 
 class LoginAttemptInfo {
     public function __construct(
@@ -17,7 +16,7 @@ class LoginAttemptInfo {
         private string $clientInfo,
     ) {}
 
-    public static function fromResult(IDbResult $result): LoginAttemptInfo {
+    public static function fromResult(DbResult $result): LoginAttemptInfo {
         return new LoginAttemptInfo(
             userId: $result->getStringOrNull(0),
             success: $result->getBoolean(1),
@@ -41,14 +40,10 @@ class LoginAttemptInfo {
         return $this->success;
     }
 
-    public function getRemoteAddressRaw(): string {
+    public function getRemoteAddress(): string {
         return $this->remoteAddr;
     }
 
-    public function getRemoteAddress(): IPAddress {
-        return IPAddress::parse($this->remoteAddr);
-    }
-
     public function getCountryCode(): string {
         return $this->countryCode;
     }
@@ -57,8 +52,8 @@ class LoginAttemptInfo {
         return $this->created;
     }
 
-    public function getCreatedAt(): DateTime {
-        return DateTime::fromUnixTimeSeconds($this->created);
+    public function getCreatedAt(): CarbonImmutable {
+        return CarbonImmutable::createFromTimestampUTC($this->created);
     }
 
     public function getUserAgentString(): string {

src/Auth/LoginAttempts.php

@@ -1,10 +1,7 @@
 <?php
 namespace Misuzu\Auth;
 
-use Index\TimeSpan;
-use Index\Data\DbStatementCache;
-use Index\Data\IDbConnection;
-use Index\Net\IPAddress;
+use Index\Db\{DbConnection,DbStatementCache};
 use Misuzu\ClientInfo;
 use Misuzu\Pagination;
 use Misuzu\Users\UserInfo;
@@ -15,22 +12,18 @@ class LoginAttempts {
 
     private DbStatementCache $cache;
 
-    public function __construct(IDbConnection $dbConn) {
+    public function __construct(DbConnection $dbConn) {
         $this->cache = new DbStatementCache($dbConn);
     }
 
     public function countAttempts(
         ?bool $success = null,
         UserInfo|string|null $userInfo = null,
-        IPAddress|string|null $remoteAddr = null,
-        TimeSpan|int|null $timeRange = null
+        ?string $remoteAddr = null,
+        int|null $timeRange = null
     ): int {
         if($userInfo instanceof UserInfo)
             $userInfo = $userInfo->getId();
-        if($remoteAddr instanceof IPAddress)
-            $remoteAddr = (string)$remoteAddr;
-        if($timeRange instanceof TimeSpan)
-            $timeRange = (int)$timeRange->totalSeconds();
 
         $hasSuccess = $success !== null;
         $hasUserInfo = $userInfo !== null;
@@ -69,7 +62,7 @@ class LoginAttempts {
         return $count;
     }
 
-    public function countRemainingAttempts(IPAddress|string $remoteAddr): int {
+    public function countRemainingAttempts(string $remoteAddr): int {
         return self::REMAINING_MAX - $this->countAttempts(
             success: false,
             timeRange: self::REMAINING_WINDOW,
@@ -80,16 +73,12 @@ class LoginAttempts {
     public function getAttempts(
         ?bool $success = null,
         UserInfo|string|null $userInfo = null,
-        IPAddress|string|null $remoteAddr = null,
-        TimeSpan|int|null $timeRange = null,
+        ?string $remoteAddr = null,
+        ?int $timeRange = null,
         ?Pagination $pagination = null
     ): iterable {
         if($userInfo instanceof UserInfo)
             $userInfo = $userInfo->getId();
-        if($remoteAddr instanceof IPAddress)
-            $remoteAddr = (string)$remoteAddr;
-        if($timeRange instanceof TimeSpan)
-            $timeRange = (int)$timeRange->totalSeconds();
 
         $hasSuccess = $success !== null;
         $hasUserInfo = $userInfo !== null;
@@ -132,14 +121,12 @@ class LoginAttempts {
 
     public function recordAttempt(
         bool $success,
-        IPAddress|string $remoteAddr,
+        string $remoteAddr,
         string $countryCode,
         string $userAgentString,
         ?ClientInfo $clientInfo = null,
         UserInfo|string|null $userInfo = null
     ): void {
-        if($remoteAddr instanceof IPAddress)
-            $remoteAddr = (string)$remoteAddr;
         if($userInfo instanceof UserInfo)
             $userInfo = $userInfo->getId();
 

src/Auth/RecoveryTokenInfo.php

@@ -1,9 +1,8 @@
 <?php
 namespace Misuzu\Auth;
 
-use Index\DateTime;
-use Index\Data\IDbResult;
-use Index\Net\IPAddress;
+use Carbon\CarbonImmutable;
+use Index\Db\DbResult;
 
 class RecoveryTokenInfo {
     public const LIFETIME = 60 * 60;
@@ -13,7 +12,7 @@ class RecoveryTokenInfo {
     private int $created;
     private ?string $code;
 
-    public function __construct(IDbResult $result) {
+    public function __construct(DbResult $result) {
         $this->userId = (string)$result->getInteger(0);
         $this->remoteAddr = $result->getString(1);
         $this->created = $result->getInteger(2);
@@ -24,28 +23,24 @@ class RecoveryTokenInfo {
         return $this->userId;
     }
 
-    public function getRemoteAddressRaw(): string {
+    public function getRemoteAddress(): string {
         return $this->remoteAddr;
     }
 
-    public function getRemoteAddress(): IPAddress {
-        return IPAddress::parse($this->remoteAddr);
-    }
-
     public function getCreatedTime(): int {
         return $this->created;
     }
 
-    public function getCreatedAt(): DateTime {
-        return DateTime::fromUnixTimeSeconds($this->created);
+    public function getCreatedAt(): CarbonImmutable {
+        return CarbonImmutable::createFromTimestampUTC($this->created);
     }
 
     public function getExpiresTime(): int {
         return $this->created + self::LIFETIME;
     }
 
-    public function getExpiresAt(): DateTime {
-        return DateTime::fromUnixTimeSeconds($this->created + self::LIFETIME);
+    public function getExpiresAt(): CarbonImmutable {
+        return CarbonImmutable::createFromTimestampUTC($this->getExpiresTime());
     }
 
     public function hasExpired(): bool {

src/Auth/RecoveryTokens.php

@@ -3,10 +3,8 @@ namespace Misuzu\Auth;
 
 use InvalidArgumentException;
 use RuntimeException;
-use Index\Data\DbStatementCache;
-use Index\Data\IDbConnection;
-use Index\Net\IPAddress;
-use Index\Serialisation\Base32;
+use Index\Base32;
+use Index\Db\{DbConnection,DbStatementCache};
 use Misuzu\ClientInfo;
 use Misuzu\Pagination;
 use Misuzu\Users\UserInfo;
@@ -14,7 +12,7 @@ use Misuzu\Users\UserInfo;
 class RecoveryTokens {
     private DbStatementCache $cache;
 
-    public function __construct(IDbConnection $dbConn) {
+    public function __construct(DbConnection $dbConn) {
         $this->cache = new DbStatementCache($dbConn);
     }
 
@@ -25,14 +23,12 @@ class RecoveryTokens {
 
     public function getToken(
         UserInfo|string|null $userInfo = null,
-        IPAddress|string|null $remoteAddr = null,
+        ?string $remoteAddr = null,
         ?string $verifyCode = null,
         ?bool $isUnused = null
     ): RecoveryTokenInfo {
         if($userInfo instanceof UserInfo)
             $userInfo = $userInfo->getId();
-        if($remoteAddr instanceof IPAddress)
-            $remoteAddr = (string)$remoteAddr;
 
         $hasUserInfo = $userInfo !== null;
         $hasRemoteAddr = $remoteAddr !== null;
@@ -76,12 +72,11 @@ class RecoveryTokens {
 
     public function createToken(
         UserInfo|string $userInfo,
-        IPAddress|string $remoteAddr
+        string $remoteAddr
     ): RecoveryTokenInfo {
         if($userInfo instanceof UserInfo)
             $userInfo = $userInfo->getId();
-        if($remoteAddr instanceof IPAddress)
-            $remoteAddr = (string)$remoteAddr;
+
         $verifyCode = self::generateCode();
 
         $stmt = $this->cache->get('INSERT INTO msz_users_password_resets (user_id, reset_ip, verification_code) VALUES (?, INET6_ATON(?), ?)');

src/Auth/SessionInfo.php

@@ -1,10 +1,9 @@
 <?php
 namespace Misuzu\Auth;
 
-use Index\DateTime;
-use Index\Data\IDbResult;
-use Index\Net\IPAddress;
 use Misuzu\ClientInfo;
+use Carbon\CarbonImmutable;
+use Index\Db\DbResult;
 
 class SessionInfo {
     public function __construct(
@@ -22,7 +21,7 @@ class SessionInfo {
         private ?int $lastActive,
     ) {}
 
-    public static function fromResult(IDbResult $result): SessionInfo {
+    public static function fromResult(DbResult $result): SessionInfo {
         return new SessionInfo(
             id: $result->getString(0),
             userId: $result->getString(1),
@@ -51,26 +50,18 @@ class SessionInfo {
         return $this->token;
     }
 
-    public function getFirstRemoteAddressRaw(): string {
+    public function getFirstRemoteAddress(): string {
         return $this->firstRemoteAddr;
     }
 
-    public function getFirstRemoteAddress(): IPAddress {
-        return IPAddress::parse($this->firstRemoteAddr);
-    }
-
     public function hasLastRemoteAddress(): bool {
         return $this->lastRemoteAddr !== null;
     }
 
-    public function getLastRemoteAddressRaw(): string {
+    public function getLastRemoteAddress(): ?string {
         return $this->lastRemoteAddr;
     }
 
-    public function getLastRemoteAddress(): ?IPAddress {
-        return $this->lastRemoteAddr === null ? null : IPAddress::parse($this->lastRemoteAddr);
-    }
-
     public function getUserAgentString(): string {
         return $this->userAgent;
     }
@@ -91,8 +82,8 @@ class SessionInfo {
         return $this->expires;
     }
 
-    public function getExpiresAt(): DateTime {
-        return DateTime::fromUnixTimeSeconds($this->expires);
+    public function getExpiresAt(): CarbonImmutable {
+        return CarbonImmutable::createFromTimestampUTC($this->expires);
     }
 
     public function shouldBumpExpires(): bool {
@@ -107,8 +98,8 @@ class SessionInfo {
         return $this->created;
     }
 
-    public function getCreatedAt(): DateTime {
-        return DateTime::fromUnixTimeSeconds($this->created);
+    public function getCreatedAt(): CarbonImmutable {
+        return CarbonImmutable::createFromTimestampUTC($this->created);
     }
 
     public function hasLastActive(): bool {
@@ -119,7 +110,7 @@ class SessionInfo {
         return $this->lastActive;
     }
 
-    public function getLastActiveAt(): ?DateTime {
-        return $this->lastActive === null ? null : DateTime::fromUnixTimeSeconds($this->lastActive);
+    public function getLastActiveAt(): ?CarbonImmutable {
+        return $this->lastActive === null ? null : CarbonImmutable::createFromTimestampUTC($this->lastActive);
     }
 }

src/Auth/Sessions.php

@@ -4,19 +4,16 @@ namespace Misuzu\Auth;
 use InvalidArgumentException;
 use RuntimeException;
 use Index\XString;
-use Index\Data\DbStatementCache;
-use Index\Data\DbTools;
-use Index\Data\IDbConnection;
-use Index\Net\IPAddress;
+use Index\Db\{DbConnection,DbStatementCache,DbTools};
 use Misuzu\ClientInfo;
 use Misuzu\Pagination;
 use Misuzu\Users\UserInfo;
 
 class Sessions {
-    private IDbConnection $dbConn;
+    private DbConnection $dbConn;
     private DbStatementCache $cache;
 
-    public function __construct(IDbConnection $dbConn) {
+    public function __construct(DbConnection $dbConn) {
         $this->dbConn = $dbConn;
         $this->cache = new DbStatementCache($dbConn);
     }
@@ -123,15 +120,13 @@ class Sessions {
 
     public function createSession(
         UserInfo|string $userInfo,
-        IPAddress|string $remoteAddr,
+        string $remoteAddr,
         string $countryCode,
         string $userAgentString,
         ?ClientInfo $clientInfo = null
     ): SessionInfo {
         if($userInfo instanceof UserInfo)
             $userInfo = $userInfo->getId();
-        if($remoteAddr instanceof IPAddress)
-            $remoteAddr = (string)$remoteAddr;
 
         $sessionToken = self::generateToken();
         $clientInfo = json_encode($clientInfo ?? ClientInfo::parse($userAgentString));
@@ -243,7 +238,7 @@ class Sessions {
     public function recordSessionActivity(
         SessionInfo|string|null $sessionInfo = null,
         ?string $sessionToken = null,
-        IPAddress|string|null $remoteAddr = null
+        ?string $remoteAddr = null
     ): void {
         if($sessionInfo === null && $sessionToken === null)
             throw new InvalidArgumentException('Either $sessionInfo or $sessionToken needs to be set.');
@@ -251,8 +246,6 @@ class Sessions {
             throw new InvalidArgumentException('Only one of $sessionInfo and $sessionToken may be set at once.');
         if($sessionInfo instanceof SessionInfo)
             $sessionInfo = $sessionInfo->getId();
-        if($remoteAddr instanceof IPAddress)
-            $remoteAddr = (string)$remoteAddr;
 
         $hasSessionInfo = $sessionInfo !== null;
         $hasSessionToken = $sessionToken !== null;

src/Auth/TwoFactorAuthSessions.php

@@ -2,14 +2,13 @@
 namespace Misuzu\Auth;
 
 use Index\XString;
-use Index\Data\DbStatementCache;
-use Index\Data\IDbConnection;
+use Index\Db\{DbConnection,DbStatementCache};
 use Misuzu\Users\UserInfo;
 
 class TwoFactorAuthSessions {
     private DbStatementCache $cache;
 
-    public function __construct(IDbConnection $dbConn) {
+    public function __construct(DbConnection $dbConn) {
         $this->cache = new DbStatementCache($dbConn);
     }
 

src/CSRF.php

@@ -1,13 +1,23 @@
 <?php
 namespace Misuzu;
 
-use Index\Security\CSRFP;
+use Index\CsrfToken;
 
 final class CSRF {
-    private static CSRFP $instance;
+    private static CsrfToken $instance;
+    private static string $secretKey = '';
+
+    public static function create(string $identity, ?string $secretKey = null): CsrfToken {
+        if($secretKey === null)
+            $secretKey = self::$secretKey;
+        else
+            self::$secretKey = $secretKey;
+
+        return new CsrfToken($secretKey, $identity);
+    }
 
     public static function init(string $secretKey, string $identity): void {
-        self::$instance = new CSRFP($secretKey, $identity);
+        self::$instance = self::create($identity, $secretKey);
     }
 
     public static function validate(string $token, int $tolerance = -1): bool {

src/Changelog/ChangeInfo.php

@@ -1,8 +1,8 @@
 <?php
 namespace Misuzu\Changelog;
 
-use Index\DateTime;
-use Index\Data\IDbResult;
+use Carbon\CarbonImmutable;
+use Index\Db\DbResult;
 
 class ChangeInfo {
     public function __construct(
@@ -14,7 +14,7 @@ class ChangeInfo {
         private string $body,
     ) {}
 
-    public static function fromResult(IDbResult $result): ChangeInfo {
+    public static function fromResult(DbResult $result): ChangeInfo {
         return new ChangeInfo(
             id: $result->getString(0),
             userId: $result->getStringOrNull(1),
@@ -53,8 +53,8 @@ class ChangeInfo {
         return $this->created;
     }
 
-    public function getCreatedAt(): DateTime {
-        return DateTime::fromUnixTimeSeconds($this->created);
+    public function getCreatedAt(): CarbonImmutable {
+        return CarbonImmutable::createFromTimestampUTC($this->created);
     }
 
     public function getDate(): string {

src/Changelog/ChangeTagInfo.php

@@ -2,8 +2,8 @@
 namespace Misuzu\Changelog;
 
 use Stringable;
-use Index\DateTime;
-use Index\Data\IDbResult;
+use Carbon\CarbonImmutable;
+use Index\Db\DbResult;
 
 class ChangeTagInfo implements Stringable {
     private string $id;
@@ -13,7 +13,7 @@ class ChangeTagInfo implements Stringable {
     private int $archived;
     private int $changes;
 
-    public function __construct(IDbResult $result) {
+    public function __construct(DbResult $result) {
         $this->id = (string)$result->getInteger(0);
         $this->name = $result->getString(1);
         $this->description = $result->getString(2);
@@ -38,16 +38,16 @@ class ChangeTagInfo implements Stringable {
         return $this->created;
     }
 
-    public function getCreatedAt(): DateTime {
-        return DateTime::fromUnixTimeSeconds($this->created);
+    public function getCreatedAt(): CarbonImmutable {
+        return CarbonImmutable::createFromTimestampUTC($this->created);
     }
 
     public function getArchivedTime(): int {
         return $this->archived;
     }
 
-    public function getArchivedAt(): DateTime {
-        return DateTime::fromUnixTimeSeconds($this->created);
+    public function getArchivedAt(): CarbonImmutable {
+        return CarbonImmutable::createFromTimestampUTC($this->archived);
     }
 
     public function isArchived(): bool {

src/Changelog/Changelog.php

@@ -3,11 +3,8 @@ namespace Misuzu\Changelog;
 
 use InvalidArgumentException;
 use RuntimeException;
-use Index\DateTime;
-use Index\Data\DbStatementCache;
-use Index\Data\DbTools;
-use Index\Data\IDbConnection;
-use Index\Data\IDbResult;
+use DateTimeInterface;
+use Index\Db\{DbConnection,DbStatementCache,DbTools};
 use Misuzu\Pagination;
 use Misuzu\Users\UserInfo;
 
@@ -15,12 +12,12 @@ class Changelog {
     // not a strict list but useful to have
     public const ACTIONS = ['add', 'remove', 'update', 'fix', 'import', 'revert'];
 
-    private IDbConnection $dbConn;
+    private DbConnection $dbConn;
     private DbStatementCache $cache;
 
     private array $tags = [];
 
-    public function __construct(IDbConnection $dbConn) {
+    public function __construct(DbConnection $dbConn) {
         $this->dbConn = $dbConn;
         $this->cache = new DbStatementCache($dbConn);
     }
@@ -66,13 +63,13 @@ class Changelog {
 
     public function countChanges(
         UserInfo|string|null $userInfo = null,
-        DateTime|int|null $dateTime = null,
+        DateTimeInterface|int|null $dateTime = null,
         ?array $tags = null
     ): int {
         if($userInfo instanceof UserInfo)
             $userInfo = $userInfo->getId();
-        if($dateTime instanceof DateTime)
-            $dateTime = $dateTime->getUnixTimeSeconds();
+        if($dateTime instanceof DateTimeInterface)
+            $dateTime = (int)$dateTime->format('U');
 
         $args = 0;
         $hasUserInfo = $userInfo !== null;
@@ -118,14 +115,14 @@ class Changelog {
 
     public function getChanges(
         UserInfo|string|null $userInfo = null,
-        DateTime|int|null $dateTime = null,
+        DateTimeInterface|int|null $dateTime = null,
         ?array $tags = null,
         ?Pagination $pagination = null
     ): iterable {
         if($userInfo instanceof UserInfo)
             $userInfo = $userInfo->getId();
-        if($dateTime instanceof DateTime)
-            $dateTime = $dateTime->getUnixTimeSeconds();
+        if($dateTime instanceof DateTimeInterface)
+            $dateTime = (int)$dateTime->format('U');
 
         $args = 0;
         $hasUserInfo = $userInfo !== null;
@@ -189,14 +186,14 @@ class Changelog {
         string $summary,
         string $body = '',
         UserInfo|string|null $userInfo = null,
-        DateTime|int|null $createdAt = null
+        DateTimeInterface|int|null $createdAt = null
     ): ChangeInfo {
         if(is_string($action))
             $action = self::convertToActionId($action);
         if($userInfo instanceof UserInfo)
             $userInfo = $userInfo->getId();
-        if($createdAt instanceof DateTime)
-            $createdAt = $createdAt->getUnixTimeSeconds();
+        if($createdAt instanceof DateTimeInterface)
+            $createdAt = (int)$createdAt->format('U');
 
         $summary = trim($summary);
         if(empty($summary))
@@ -233,7 +230,7 @@ class Changelog {
         ?string $body = null,
         bool $updateUserInfo = false,
         UserInfo|string|null $userInfo = null,
-        DateTime|int|null $createdAt = null
+        DateTimeInterface|int|null $createdAt = null
     ): void {
         if($infoOrId instanceof ChangeInfo)
             $infoOrId = $infoOrId->getId();
@@ -242,8 +239,8 @@ class Changelog {
             $action = self::convertToActionId($action);
         if($userInfo instanceof UserInfo)
             $userInfo = $userInfo->getId();
-        if($createdAt instanceof DateTime)
-            $createdAt = $createdAt->getUnixTimeSeconds();
+        if($createdAt instanceof DateTimeInterface)
+            $createdAt = (int)$createdAt->format('U');
 
         if($summary !== null) {
             $summary = trim($summary);

src/Changelog/ChangelogRoutes.php

@@ -3,18 +3,20 @@ namespace Misuzu\Changelog;
 
 use ErrorException;
 use RuntimeException;
-use Index\Http\Routing\{HttpGet,RouteHandler};
+use Index\Http\Routing\{HttpGet,RouteHandler,RouteHandlerTrait};
+use Index\Syndication\FeedBuilder;
+use Index\Urls\{UrlFormat,UrlRegistry,UrlSource,UrlSourceTrait};
 use Misuzu\{Pagination,SiteInfo,Template};
 use Misuzu\Auth\AuthInfo;
 use Misuzu\Comments\{Comments,CommentsEx};
-use Misuzu\Feeds\{Feed,FeedItem,AtomFeedSerializer,RssFeedSerializer};
-use Misuzu\URLs\{URLInfo,URLRegistry};
 use Misuzu\Users\UsersContext;
 
-final class ChangelogRoutes extends RouteHandler {
+final class ChangelogRoutes implements RouteHandler, UrlSource {
+    use RouteHandlerTrait, UrlSourceTrait;
+
     public function __construct(
         private SiteInfo $siteInfo,
-        private URLRegistry $urls,
+        private UrlRegistry $urls,
         private Changelog $changelog,
         private UsersContext $usersCtx,
         private AuthInfo $authInfo,
@@ -27,7 +29,7 @@ final class ChangelogRoutes extends RouteHandler {
     }
 
     #[HttpGet('/changelog')]
-    #[URLInfo('changelog-index', '/changelog', ['date' => '<date>', 'user' => '<user>', 'tags' => '<tags>', 'p' => '<page>'])]
+    #[UrlFormat('changelog-index', '/changelog', ['date' => '<date>', 'user' => '<user>', 'tags' => '<tags>', 'p' => '<page>'])]
     public function getIndex($response, $request) {
         $filterDate = (string)$request->getParam('date');
         $filterUser = (string)$request->getParam('user', FILTER_SANITIZE_NUMBER_INT);
@@ -96,8 +98,8 @@ final class ChangelogRoutes extends RouteHandler {
     }
 
     #[HttpGet('/changelog/change/([0-9]+)')]
-    #[URLInfo('changelog-change', '/changelog/change/<change>')]
-    #[URLInfo('changelog-change-comments', '/changelog/change/<change>', fragment: 'comments')]
+    #[UrlFormat('changelog-change', '/changelog/change/<change>')]
+    #[UrlFormat('changelog-change-comments', '/changelog/change/<change>', fragment: 'comments')]
     public function getChange($response, $request, string $changeId) {
         try {
             $changeInfo = $this->changelog->getChange($changeId);
@@ -117,44 +119,29 @@ final class ChangelogRoutes extends RouteHandler {
         ]);
     }
 
-    private function createFeed(string $feedMode): Feed {
+    #[HttpGet('/changelog.(xml|rss|atom)')]
+    #[UrlFormat('changelog-feed', '/changelog.xml')]
+    public function getFeed($response) {
+        $response->setContentType('application/rss+xml; charset=utf-8');
+
         $siteName = $this->siteInfo->getName();
+        $siteUrl = $this->siteInfo->getURL();
         $changes = $this->changelog->getChanges(pagination: new Pagination(10));
 
-        $feed = (new Feed)
-            ->setTitle($siteName . ' » Changelog')
-            ->setDescription('Live feed of changes to ' . $siteName . '.')
-            ->setContentUrl($this->siteInfo->getURL() . $this->urls->format('changelog-index'))
-            ->setFeedUrl($this->siteInfo->getURL() . $this->urls->format("changelog-feed-{$feedMode}"));
+        $feed = new FeedBuilder;
+        $feed->setTitle(sprintf('%s » Changelog', $siteName));
+        $feed->setDescription(sprintf('Live feed of changes to %s.', $siteName));
+        $feed->setContentUrl($siteUrl . $this->urls->format('changelog-index'));
+        $feed->setFeedUrl($siteUrl . $this->urls->format('changelog-feed'));
 
-        foreach($changes as $change) {
-            $changeUrl = $this->siteInfo->getURL() . $this->urls->format('changelog-change', ['change' => $change->getId()]);
-            $commentsUrl = $this->siteInfo->getURL() . $this->urls->format('changelog-change-comments', ['change' => $change->getId()]);
+        foreach($changes as $change)
+            $feed->createEntry(function($item) use ($change, $siteUrl) {
+                $item->setTitle(sprintf('%s: %s', $change->getActionText(), $change->getSummary()));
+                $item->setCreatedAt($change->getCreatedTime());
+                $item->setContentUrl($siteUrl . $this->urls->format('changelog-change', ['change' => $change->getId()]));
+                $item->setCommentsUrl($siteUrl . $this->urls->format('changelog-change-comments', ['change' => $change->getId()]));
+            });
 
-            $feedItem = (new FeedItem)
-                ->setTitle($change->getActionText() . ': ' . $change->getSummary())
-                ->setCreationDate($change->getCreatedTime())
-                ->setUniqueId($changeUrl)
-                ->setContentUrl($changeUrl)
-                ->setCommentsUrl($commentsUrl);
-
-            $feed->addItem($feedItem);
-        }
-
-        return $feed;
-    }
-
-    #[HttpGet('/changelog.rss')]
-    #[URLInfo('changelog-feed-rss', '/changelog.rss')]
-    public function getFeedRSS($response) {
-        $response->setContentType('application/rss+xml; charset=utf-8');
-        return (new RssFeedSerializer)->serializeFeed($this->createFeed('rss'));
-    }
-
-    #[HttpGet('/changelog.atom')]
-    #[URLInfo('changelog-feed-atom', '/changelog.atom')]
-    public function getFeedAtom($response) {
-        $response->setContentType('application/atom+xml; charset=utf-8');
-        return (new AtomFeedSerializer)->serializeFeed($this->createFeed('atom'));
+        return $feed->toXmlString();
     }
 }

src/ClientInfo.php

@@ -5,10 +5,12 @@ use stdClass;
 use JsonSerializable;
 use RuntimeException;
 use Stringable;
-use DeviceDetector\ClientHints;
-use DeviceDetector\DeviceDetector;
+use DeviceDetector\{ClientHints,DeviceDetector};
+use Index\Json\{JsonProperty,JsonSerializableTrait};
 
 class ClientInfo implements Stringable, JsonSerializable {
+    use JsonSerializableTrait;
+
     private const SERIALIZE_VERSION = 1;
 
     public function __construct(
@@ -19,6 +21,39 @@ class ClientInfo implements Stringable, JsonSerializable {
         private string $modelName
     ) {}
 
+    #[JsonProperty('version')]
+    public function getVersion(): int {
+        return self::SERIALIZE_VERSION;
+    }
+
+    #[JsonProperty('bot')]
+    public function getBotInfo(): bool|array|null {
+        if($this->botInfo === true || is_array($this->botInfo))
+            return $this->botInfo;
+
+        return null;
+    }
+
+    #[JsonProperty('client')]
+    public function getClientInfo(): ?array {
+        return $this->clientInfo;
+    }
+
+    #[JsonProperty('os')]
+    public function getOsInfo(): ?array {
+        return $this->osInfo;
+    }
+
+    #[JsonProperty('vendor', omitIfValue: '')]
+    public function getVendorName(): string {
+        return $this->brandName;
+    }
+
+    #[JsonProperty('model', omitIfValue: '')]
+    public function getModelName(): string {
+        return $this->modelName;
+    }
+
     public function __toString(): string {
         if($this->botInfo === true || is_array($this->botInfo)) {
             if($this->botInfo === true)
@@ -64,24 +99,6 @@ class ClientInfo implements Stringable, JsonSerializable {
         return json_encode($this);
     }
 
-    public function jsonSerialize(): mixed {
-        $data = new stdClass;
-        $data->version = self::SERIALIZE_VERSION;
-
-        if($this->botInfo === true || is_array($this->botInfo))
-            $data->bot = $this->botInfo;
-        if($this->clientInfo !== null)
-            $data->client = $this->clientInfo;
-        if($this->osInfo !== null)
-            $data->os = $this->osInfo;
-        if($this->brandName !== '')
-            $data->vendor = $this->brandName;
-        if($this->modelName !== '')
-            $data->model = $this->modelName;
-
-        return $data;
-    }
-
     public static function decode(string $encoded): self {
         $data = json_decode($encoded, true);
         $version = $data['version'] ?? 0;

src/Comments/Comments.php

@@ -3,17 +3,15 @@ namespace Misuzu\Comments;
 
 use InvalidArgumentException;
 use RuntimeException;
-use Index\Data\DbStatementCache;
-use Index\Data\IDbConnection;
-use Index\Data\IDbResult;
+use Index\Db\{DbConnection,DbStatementCache};
 use Misuzu\Pagination;
 use Misuzu\Users\UserInfo;
 
 class Comments {
-    private IDbConnection $dbConn;
+    private DbConnection $dbConn;
     private DbStatementCache $cache;
 
-    public function __construct(IDbConnection $dbConn) {
+    public function __construct(DbConnection $dbConn) {
         $this->dbConn = $dbConn;
         $this->cache = new DbStatementCache($dbConn);
     }

src/Comments/CommentsCategoryInfo.php

@@ -1,9 +1,9 @@
 <?php
 namespace Misuzu\Comments;
 
-use Index\DateTime;
-use Index\Data\IDbResult;
 use Misuzu\Users\UserInfo;
+use Carbon\CarbonImmutable;
+use Index\Db\DbResult;
 
 class CommentsCategoryInfo {
     public function __construct(
@@ -15,7 +15,7 @@ class CommentsCategoryInfo {
         private int $comments,
     ) {}
 
-    public static function fromResult(IDbResult $result): CommentsCategoryInfo {
+    public static function fromResult(DbResult $result): CommentsCategoryInfo {
         return new CommentsCategoryInfo(
             id: $result->getString(0),
             name: $result->getString(1),
@@ -54,16 +54,17 @@ class CommentsCategoryInfo {
         return $this->created;
     }
 
-    public function getCreatedAt(): DateTime {
-        return DateTime::fromUnixTimeSeconds($this->created);
+    public function getCreatedAt(): CarbonImmutable {
+        return CarbonImmutable::createFromTimestampUTC($this->created);
+
     }
 
     public function getLockedTime(): ?int {
         return $this->locked;
     }
 
-    public function getLockedAt(): ?DateTime {
-        return $this->locked === null ? null : DateTime::fromUnixTimeSeconds($this->locked);
+    public function getLockedAt(): ?CarbonImmutable {
+        return $this->locked === null ? null : CarbonImmutable::createFromTimestampUTC($this->locked);
     }
 
     public function isLocked(): bool {

src/Comments/CommentsPostInfo.php

@@ -1,8 +1,8 @@
 <?php
 namespace Misuzu\Comments;
 
-use Index\DateTime;
-use Index\Data\IDbResult;
+use Carbon\CarbonImmutable;
+use Index\Db\DbResult;
 
 class CommentsPostInfo {
     public function __construct(
@@ -22,7 +22,7 @@ class CommentsPostInfo {
     ) {}
 
     public static function fromResult(
-        IDbResult $result,
+        DbResult $result,
         bool $includeRepliesCount = false,
         bool $includeVotesCount = false
     ): CommentsPostInfo {
@@ -86,16 +86,16 @@ class CommentsPostInfo {
         return $this->created;
     }
 
-    public function getCreatedAt(): DateTime {
-        return DateTime::fromUnixTimeSeconds($this->created);
+    public function getCreatedAt(): CarbonImmutable {
+        return CarbonImmutable::createFromTimestampUTC($this->created);
     }
 
     public function getPinnedTime(): ?int {
         return $this->pinned;
     }
 
-    public function getPinnedAt(): DateTime {
-        return $this->pinned === null ? null : DateTime::fromUnixTimeSeconds($this->pinned);
+    public function getPinnedAt(): ?CarbonImmutable {
+        return $this->pinned === null ? null : CarbonImmutable::createFromTimestampUTC($this->pinned);
     }
 
     public function isPinned(): bool {
@@ -106,8 +106,8 @@ class CommentsPostInfo {
         return $this->updated;
     }
 
-    public function getUpdatedAt(): DateTime {
-        return $this->updated === null ? null : DateTime::fromUnixTimeSeconds($this->updated);
+    public function getUpdatedAt(): ?CarbonImmutable {
+        return $this->updated === null ? null : CarbonImmutable::createFromTimestampUTC($this->updated);
     }
 
     public function isEdited(): bool {
@@ -118,8 +118,8 @@ class CommentsPostInfo {
         return $this->deleted;
     }
 
-    public function getDeletedAt(): DateTime {
-        return $this->deleted === null ? null : DateTime::fromUnixTimeSeconds($this->deleted);
+    public function getDeletedAt(): ?CarbonImmutable {
+        return $this->deleted === null ? null : CarbonImmutable::createFromTimestampUTC($this->deleted);
     }
 
     public function isDeleted(): bool {

src/Comments/CommentsPostVoteInfo.php

@@ -1,14 +1,14 @@
 <?php
 namespace Misuzu\Comments;
 
-use Index\Data\IDbResult;
+use Index\Db\DbResult;
 
 class CommentsPostVoteInfo {
     private string $commentId;
     private string $userId;
     private int $weight;
 
-    public function __construct(IDbResult $result) {
+    public function __construct(DbResult $result) {
         $this->commentId = (string)$result->getInteger(0);
         $this->userId = (string)$result->getInteger(1);
         $this->weight = $result->getInteger(2);

src/Counters/CounterInfo.php

@@ -1,8 +1,8 @@
 <?php
 namespace Misuzu\Counters;
 
-use Index\DateTime;
-use Index\Data\IDbResult;
+use Carbon\CarbonImmutable;
+use Index\Db\DbResult;
 
 class CounterInfo {
     public function __construct(
@@ -11,7 +11,7 @@ class CounterInfo {
         private int $updated,
     ) {}
 
-    public static function fromResult(IDbResult $result): CounterInfo {
+    public static function fromResult(DbResult $result): CounterInfo {
         return new CounterInfo(
             name: $result->getString(0),
             value: $result->getInteger(1),
@@ -31,7 +31,7 @@ class CounterInfo {
         return $this->updated;
     }
 
-    public function getUpdatedAt(): DateTime {
-        return DateTime::fromUnixTimeSeconds($this->updated);
+    public function getUpdatedAt(): CarbonImmutable {
+        return CarbonImmutable::createFromTimestampUTC($this->updated);
     }
 }

src/Counters/Counters.php

@@ -2,9 +2,7 @@
 namespace Misuzu\Counters;
 
 use InvalidArgumentException;
-use Index\Data\DbStatementCache;
-use Index\Data\DbTools;
-use Index\Data\IDbConnection;
+use Index\Db\{DbConnection,DbStatementCache,DbTools};
 use Misuzu\Pagination;
 
 // insert increment and decrement calls in places someday
@@ -12,7 +10,7 @@ use Misuzu\Pagination;
 class Counters {
     private DbStatementCache $cache;
 
-    public function __construct(IDbConnection $dbConn) {
+    public function __construct(DbConnection $dbConn) {
         $this->cache = new DbStatementCache($dbConn);
     }
 

src/Emoticons/EmoteInfo.php

@@ -2,7 +2,7 @@
 namespace Misuzu\Emoticons;
 
 use Stringable;
-use Index\Data\IDbResult;
+use Index\Db\DbResult;
 
 class EmoteInfo implements Stringable {
     public function __construct(
@@ -12,7 +12,7 @@ class EmoteInfo implements Stringable {
         private string $url,
     ) {}
 
-    public static function fromResult(IDbResult $result): EmoteInfo {
+    public static function fromResult(DbResult $result): EmoteInfo {
         return new EmoteInfo(
             id: $result->getString(0),
             order: $result->getInteger(1),

src/Emoticons/EmoteStringInfo.php

@@ -2,7 +2,7 @@
 namespace Misuzu\Emoticons;
 
 use Stringable;
-use Index\Data\IDbResult;
+use Index\Db\DbResult;
 
 class EmoteStringInfo implements Stringable {
     public function __construct(
@@ -11,7 +11,7 @@ class EmoteStringInfo implements Stringable {
         private string $string,
     ) {}
 
-    public static function fromResult(IDbResult $result): EmoteStringInfo {
+    public static function fromResult(DbResult $result): EmoteStringInfo {
         return new EmoteStringInfo(
             emoteId: $result->getString(0),
             order: $result->getInteger(1),

src/Emoticons/Emotes.php

@@ -3,8 +3,7 @@ namespace Misuzu\Emoticons;
 
 use InvalidArgumentException;
 use RuntimeException;
-use Index\Data\DbStatementCache;
-use Index\Data\IDbConnection;
+use Index\Db\{DbConnection,DbStatementCache};
 
 class Emotes {
     private const EMOTE_ORDER = [
@@ -13,10 +12,10 @@ class Emotes {
         'rank' => 'emote_hierarchy',
     ];
 
-    private IDbConnection $dbConn;
+    private DbConnection $dbConn;
     private DbStatementCache $cache;
 
-    public function __construct(IDbConnection $dbConn) {
+    public function __construct(DbConnection $dbConn) {
         $this->dbConn = $dbConn;
         $this->cache = new DbStatementCache($dbConn);
     }

src/Feeds/AtomFeedSerializer.php

@@ -1,117 +0,0 @@
-<?php
-namespace Misuzu\Feeds;
-
-use DOMDocument;
-use DOMElement;
-use DOMNode;
-
-class AtomFeedSerializer extends XmlFeedSerializer {
-    protected function formatTime(int $time): string {
-        return date('c', $time);
-    }
-
-    protected function createRoot(DOMDocument $document, Feed $feed): DOMNode {
-        $atom = $document->appendChild($document->createElement('feed'));
-        if($atom instanceof DOMElement)
-            $atom->setAttribute('xmlns', 'http://www.w3.org/2005/Atom');
-
-        $atom->appendChild(
-            $document->createElement(
-                'id',
-                $feed->hasContentUrl()
-                    ? $this->cleanString($feed->getContentUrl())
-                    : time()
-            )
-        );
-
-        return $atom;
-    }
-
-    protected function createTitle(DOMDocument $document, string $title): DOMNode {
-        return $document->createElement('title', $this->cleanString($title));
-    }
-
-    protected function createDescription(DOMDocument $document, string $description): ?DOMNode {
-        return $document->createElement('subtitle', $this->cleanString($description));
-    }
-
-    protected function createLastUpdate(DOMDocument $document, int $lastUpdate): ?DOMNode {
-        return $document->createElement('updated', $this->formatTime($lastUpdate));
-    }
-
-    protected function createContentUrl(DOMDocument $document, string $contentUrl): ?DOMNode {
-        $link = $document->createElement('link');
-        $link->setAttribute('href', $this->cleanString($contentUrl));
-        return $link;
-    }
-
-    protected function createFeedUrl(DOMDocument $document, string $feedUrl): ?DOMNode {
-        $link = $document->createElement('link');
-        $link->setAttribute('href', $this->cleanString($feedUrl));
-        $link->setAttribute('ref', 'self');
-        return $link;
-    }
-
-    protected function createItem(DOMDocument $document, FeedItem $feedItem): DOMNode {
-        $elem = $document->createElement('entry');
-
-        $elem->appendChild(
-            $document->createElement(
-                'id',
-                $feedItem->hasContentUrl()
-                    ? $this->cleanString($feedItem->getContentUrl())
-                    : time()
-            )
-        );
-
-        return $elem;
-    }
-
-    protected function createItemTitle(DOMDocument $document, string $title): DOMNode {
-        return $document->createElement('title', $this->cleanString($title));
-    }
-
-    protected function createItemSummary(DOMDocument $document, string $summary): ?DOMNode {
-        return $document->createElement('summary', $this->cleanString($summary));
-    }
-
-    protected function createItemContent(DOMDocument $document, string $content): ?DOMNode {
-        $elem = $document->createElement('content', $this->cleanString($content));
-        $elem->setAttribute('type', 'html');
-        return $elem;
-    }
-
-    protected function createItemCreationDate(DOMDocument $document, int $creationDate): ?DOMNode {
-        return $document->createElement('updated', $this->formatTime($creationDate));
-    }
-
-    protected function createItemUniqueId(DOMDocument $document, string $uniqueId): ?DOMNode {
-        return null;
-    }
-
-    protected function createItemContentUrl(DOMDocument $document, string $contentUrl): ?DOMNode {
-        $elem = $document->createElement('link');
-        $elem->setAttribute('href', $this->cleanString($contentUrl));
-        $elem->setAttribute('type', 'text/html');
-        return $elem;
-    }
-
-    protected function createItemCommentsUrl(DOMDocument $document, string $commentsUrl): ?DOMNode {
-        return null;
-    }
-
-    protected function createItemAuthor(DOMDocument $document, ?string $authorName, ?string $authorUrl): ?DOMNode {
-        if(empty($authorName) && empty($authorUrl))
-            return null;
-
-        $elem = $document->createElement('author');
-
-        if(!empty($authorName))
-            $elem->appendChild($document->createElement('name', $this->cleanString($authorName)));
-
-        if(!empty($authorUrl))
-            $elem->appendChild($document->createElement('uri', $this->cleanString($authorUrl)));
-
-        return $elem;
-    }
-}

src/Feeds/Feed.php

@@ -1,74 +0,0 @@
-<?php
-namespace Misuzu\Feeds;
-
-class Feed {
-    private string $title = '';
-    private ?string $description = null;
-    private ?int $lastUpdate = null;
-    private ?string $contentUrl = null;
-    private ?string $feedUrl = null;
-    private array $feedItems = [];
-
-    public function getTitle(): string {
-        return $this->title;
-    }
-    public function setTitle(string $title): self {
-        $this->title = $title;
-        return $this;
-    }
-
-    public function getDescription(): string {
-        return $this->description ?? '';
-    }
-    public function hasDescription(): bool {
-        return isset($this->description);
-    }
-    public function setDescription(?string $description): self {
-        $this->description = $description;
-        return $this;
-    }
-
-    public function getLastUpdate(): int {
-        return $this->lastUpdate ?? 0;
-    }
-    public function hasLastUpdate(): bool {
-        return isset($this->lastUpdate);
-    }
-    public function setLastUpdate(?int $lastUpdate): self {
-        $this->lastUpdate = $lastUpdate;
-        return $this;
-    }
-
-    public function getContentUrl(): string {
-        return $this->contentUrl ?? '';
-    }
-    public function hasContentUrl(): bool {
-        return isset($this->contentUrl);
-    }
-    public function setContentUrl(?string $contentUrl): self {
-        $this->contentUrl = $contentUrl;
-        return $this;
-    }
-
-    public function getFeedUrl(): string {
-        return $this->feedUrl ?? '';
-    }
-    public function hasFeedUrl(): bool {
-        return isset($this->feedUrl);
-    }
-    public function setFeedUrl(?string $feedUrl): self {
-        $this->feedUrl = $feedUrl;
-        return $this;
-    }
-
-    public function getItems(): array {
-        return $this->feedItems;
-    }
-    public function hasItems(): bool {
-        return count($this->feedItems) > 0;
-    }
-    public function addItem(FeedItem $item): self {
-        $this->feedItems[] = $item;
-        return $this;
-    }
-}

src/Feeds/FeedItem.php

@@ -1,110 +0,0 @@
-<?php
-namespace Misuzu\Feeds;
-
-class FeedItem {
-    private string $title = '';
-    private ?string $summary = null;
-    private ?string $content = null;
-    private ?int $creationDate = null;
-    private ?string $uniqueId = null;
-    private ?string $contentUrl = null;
-    private ?string $commentsUrl = null;
-    private ?string $authorName = null;
-    private ?string $authorUrl = null;
-
-    public function getTitle(): string {
-        return $this->title;
-    }
-    public function setTitle(string $title): self {
-        $this->title = $title;
-        return $this;
-    }
-
-    public function getSummary(): string {
-        return $this->summary ?? '';
-    }
-    public function hasSummary(): bool {
-        return isset($this->summary);
-    }
-    public function setSummary(?string $summary): self {
-        $this->summary = $summary;
-        return $this;
-    }
-
-    public function getContent(): string {
-        return $this->content ?? '';
-    }
-    public function hasContent(): bool {
-        return isset($this->content);
-    }
-    public function setContent(?string $content): self {
-        $this->content = $content;
-        return $this;
-    }
-
-    public function getCreationDate(): int {
-        return $this->creationDate;
-    }
-    public function hasCreationDate(): bool {
-        return isset($this->creationDate);
-    }
-    public function setCreationDate(?int $creationDate): self {
-        $this->creationDate = $creationDate;
-        return $this;
-    }
-
-    public function getUniqueId(): string {
-        return $this->uniqueId ?? '';
-    }
-    public function hasUniqueId(): bool {
-        return isset($this->uniqueId);
-    }
-    public function setUniqueId(?string $uniqueId): self {
-        $this->uniqueId = $uniqueId;
-        return $this;
-    }
-
-    public function getContentUrl(): string {
-        return $this->contentUrl ?? '';
-    }
-    public function hasContentUrl(): bool {
-        return isset($this->contentUrl);
-    }
-    public function setContentUrl(?string $contentUrl): self {
-        $this->contentUrl = $contentUrl;
-        return $this;
-    }
-
-    public function getCommentsUrl(): string {
-        return $this->commentsUrl ?? '';
-    }
-    public function hasCommentsUrl(): bool {
-        return isset($this->commentsUrl);
-    }
-    public function setCommentsUrl(?string $commentsUrl): self {
-        $this->commentsUrl = $commentsUrl;
-        return $this;
-    }
-
-    public function getAuthorName(): string {
-        return $this->authorName ?? '';
-    }
-    public function hasAuthorName(): bool {
-        return isset($this->authorName);
-    }
-    public function setAuthorName(?string $authorName): self {
-        $this->authorName = $authorName;
-        return $this;
-    }
-
-    public function getAuthorUrl(): string {
-        return $this->authorUrl ?? '';
-    }
-    public function hasAuthorUrl(): bool {
-        return isset($this->authorUrl);
-    }
-    public function setAuthorUrl(?string $authorUrl): self {
-        $this->authorUrl = $authorUrl;
-        return $this;
-    }
-}

src/Feeds/FeedSerializer.php

@@ -1,6 +0,0 @@
-<?php
-namespace Misuzu\Feeds;
-
-abstract class FeedSerializer {
-    abstract public function serializeFeed(Feed $feed): string;
-}

src/Feeds/RssFeedSerializer.php

@@ -1,85 +0,0 @@
-<?php
-namespace Misuzu\Feeds;
-
-use DOMDocument;
-use DOMElement;
-use DOMNode;
-
-class RssFeedSerializer extends XmlFeedSerializer {
-    protected function formatTime(int $time): string {
-        return date('r', $time);
-    }
-
-    protected function createRoot(DOMDocument $document, Feed $feed): DOMNode {
-        $rss = $document->appendChild($document->createElement('rss'));
-        if($rss instanceof DOMElement) {
-            $rss->setAttribute('version', '2.0');
-            $rss->setAttribute('xmlns:atom', 'http://www.w3.org/2005/Atom');
-        }
-
-        $channel = $rss->appendChild($document->createElement('channel'));
-        $channel->appendChild($document->createElement('ttl', '900'));
-        return $channel;
-    }
-
-    protected function createTitle(DOMDocument $document, string $title): DOMNode {
-        return $document->createElement('title', $this->cleanString($title));
-    }
-
-    protected function createDescription(DOMDocument $document, string $description): ?DOMNode {
-        return $document->createElement('description', $this->cleanString($description));
-    }
-
-    protected function createLastUpdate(DOMDocument $document, int $lastUpdate): ?DOMNode {
-        return $document->createElement('pubDate', $this->formatTime($lastUpdate));
-    }
-
-    protected function createContentUrl(DOMDocument $document, string $contentUrl): ?DOMNode {
-        return $document->createElement('link', $this->cleanString($contentUrl));
-    }
-
-    protected function createFeedUrl(DOMDocument $document, string $feedUrl): ?DOMNode {
-        $link = $document->createElement('atom:link');
-        $link->setAttribute('href', $this->cleanString($feedUrl));
-        $link->setAttribute('ref', 'self');
-        return $link;
-    }
-
-    protected function createItem(DOMDocument $document, FeedItem $feedItem): DOMNode {
-        return $document->createElement('item');
-    }
-
-    protected function createItemTitle(DOMDocument $document, string $title): DOMNode {
-        return $document->createElement('title', $this->cleanString($title));
-    }
-
-    protected function createItemSummary(DOMDocument $document, string $summary): ?DOMNode {
-        return $document->createElement('description', $this->cleanString($summary));
-    }
-
-    protected function createItemContent(DOMDocument $document, string $content): ?DOMNode {
-        return null;
-    }
-
-    protected function createItemCreationDate(DOMDocument $document, int $creationDate): ?DOMNode {
-        return $document->createElement('pubDate', $this->formatTime($creationDate));
-    }
-
-    protected function createItemUniqueId(DOMDocument $document, string $uniqueId): ?DOMNode {
-        $elem = $document->createElement('guid', $uniqueId);
-        $elem->setAttribute('isPermaLink', 'true');
-        return $elem;
-    }
-
-    protected function createItemContentUrl(DOMDocument $document, string $contentUrl): ?DOMNode {
-        return $document->createElement('link', $contentUrl);
-    }
-
-    protected function createItemCommentsUrl(DOMDocument $document, string $commentsUrl): ?DOMNode {
-        return $document->createElement('comments', $commentsUrl);
-    }
-
-    protected function createItemAuthor(DOMDocument $document, ?string $authorName, ?string $authorUrl): ?DOMNode {
-        return null;
-    }
-}

src/Feeds/XmlFeedSerializer.php

@@ -1,79 +0,0 @@
-<?php
-namespace Misuzu\Feeds;
-
-use DOMDocument;
-use DOMNode;
-
-abstract class XmlFeedSerializer extends FeedSerializer {
-    public function serializeFeed(Feed $feed): string {
-        $document = new DOMDocument('1.0', 'utf-8');
-        $root = $this->createRoot($document, $feed);
-        $root->appendChild($this->createTitle($document, $feed->getTitle()));
-
-        if($feed->hasDescription())
-            self::appendChild($root, $this->createDescription($document, $feed->getDescription()));
-        if($feed->hasLastUpdate())
-            self::appendChild($root, $this->createLastUpdate($document, $feed->getLastUpdate()));
-        if($feed->hasContentUrl())
-            self::appendChild($root, $this->createContentUrl($document, $feed->getContentUrl()));
-        if($feed->hasFeedUrl())
-            self::appendChild($root, $this->createFeedUrl($document, $feed->getFeedUrl()));
-
-        if($feed->hasItems()) {
-            foreach($feed->getItems() as $item) {
-                $root->appendChild($this->serializeFeedItem($document, $item));
-            }
-        }
-
-        return $document->saveXML();
-    }
-
-    private function serializeFeedItem(DOMDocument $document, FeedItem $feedItem): DOMNode {
-        $elem = $this->createItem($document, $feedItem);
-        $elem->appendChild($this->createItemTitle($document, $feedItem->getTitle()));
-
-        if($feedItem->hasSummary())
-            self::appendChild($elem, $this->createItemSummary($document, $feedItem->getSummary()));
-        if($feedItem->hasContent())
-            self::appendChild($elem, $this->createItemContent($document, $feedItem->getContent()));
-        if($feedItem->hasCreationDate())
-            self::appendChild($elem, $this->createItemCreationDate($document, $feedItem->getCreationDate()));
-        if($feedItem->hasUniqueId())
-            self::appendChild($elem, $this->createItemUniqueId($document, $feedItem->getUniqueId()));
-        if($feedItem->hasContentUrl())
-            self::appendChild($elem, $this->createItemContentUrl($document, $feedItem->getContentUrl()));
-        if($feedItem->hasCommentsUrl())
-            self::appendChild($elem, $this->createItemCommentsUrl($document, $feedItem->getCommentsUrl()));
-        if($feedItem->hasAuthorName() || $feedItem->hasAuthorUrl())
-            self::appendChild($elem, $this->createItemAuthor($document, $feedItem->getAuthorName(), $feedItem->getAuthorUrl()));
-
-        return $elem;
-    }
-
-    protected function cleanString(string $string): string {
-        return htmlspecialchars($string, ENT_XML1 | ENT_COMPAT | ENT_SUBSTITUTE);
-    }
-
-    protected static function appendChild(DOMNode $parent, ?DOMNode $elem): ?DOMNode {
-        if($elem !== null)
-            return $parent->appendChild($elem);
-        return $elem;
-    }
-
-    abstract protected function formatTime(int $time): string;
-    abstract protected function createRoot(DOMDocument $document, Feed $feed): DOMNode;
-    abstract protected function createTitle(DOMDocument $document, string $title): DOMNode;
-    abstract protected function createDescription(DOMDocument $document, string $description): ?DOMNode;
-    abstract protected function createLastUpdate(DOMDocument $document, int $lastUpdate): ?DOMNode;
-    abstract protected function createContentUrl(DOMDocument $document, string $contentUrl): ?DOMNode;
-    abstract protected function createFeedUrl(DOMDocument $document, string $feedUrl): ?DOMNode;
-    abstract protected function createItem(DOMDocument $document, FeedItem $feedItem): DOMNode;
-    abstract protected function createItemTitle(DOMDocument $document, string $title): DOMNode;
-    abstract protected function createItemSummary(DOMDocument $document, string $summary): ?DOMNode;
-    abstract protected function createItemContent(DOMDocument $document, string $content): ?DOMNode;
-    abstract protected function createItemCreationDate(DOMDocument $document, int $creationDate): ?DOMNode;
-    abstract protected function createItemUniqueId(DOMDocument $document, string $uniqueId): ?DOMNode;
-    abstract protected function createItemContentUrl(DOMDocument $document, string $contentUrl): ?DOMNode;
-    abstract protected function createItemCommentsUrl(DOMDocument $document, string $commentsUrl): ?DOMNode;
-    abstract protected function createItemAuthor(DOMDocument $document, ?string $authorName, ?string $authorUrl): ?DOMNode;
-}

src/Forum/ForumCategories.php

@@ -5,16 +5,14 @@ use InvalidArgumentException;
 use RuntimeException;
 use stdClass;
 use Index\Colour\Colour;
-use Index\Data\DbStatementCache;
-use Index\Data\DbTools;
-use Index\Data\IDbConnection;
+use Index\Db\{DbConnection,DbStatementCache,DbTools};
 use Misuzu\Pagination;
 use Misuzu\Users\UserInfo;
 
 class ForumCategories {
     private DbStatementCache $cache;
 
-    public function __construct(IDbConnection $dbConn) {
+    public function __construct(DbConnection $dbConn) {
         $this->cache = new DbStatementCache($dbConn);
     }
 

src/Forum/ForumCategoryInfo.php

@@ -1,9 +1,9 @@
 <?php
 namespace Misuzu\Forum;
 
-use Index\DateTime;
+use Carbon\CarbonImmutable;
 use Index\Colour\Colour;
-use Index\Data\IDbResult;
+use Index\Db\DbResult;
 
 class ForumCategoryInfo {
     // should the types just be replaced with flags indicating what's allowed?
@@ -44,7 +44,7 @@ class ForumCategoryInfo {
         private int $postsCount,
     ) {}
 
-    public static function fromResult(IDbResult $result): ForumCategoryInfo {
+    public static function fromResult(DbResult $result): ForumCategoryInfo {
         return new ForumCategoryInfo(
             id: $result->getString(0),
             order: $result->getInteger(1),
@@ -176,8 +176,8 @@ class ForumCategoryInfo {
         return $this->created;
     }
 
-    public function getCreatedAt(): DateTime {
-        return DateTime::fromUnixTimeSeconds($this->created);
+    public function getCreatedAt(): CarbonImmutable {
+        return CarbonImmutable::createFromTimestampUTC($this->created);
     }
 
     public function isArchived(): bool {

src/Forum/ForumContext.php

@@ -2,7 +2,7 @@
 namespace Misuzu\Forum;
 
 use stdClass;
-use Index\Data\IDbConnection;
+use Index\Db\DbConnection;
 use Misuzu\Users\UserInfo;
 
 class ForumContext {
@@ -14,7 +14,7 @@ class ForumContext {
     private array $totalUserTopics = [];
     private array $totalUserPosts = [];
 
-    public function __construct(IDbConnection $dbConn) {
+    public function __construct(DbConnection $dbConn) {
         $this->categories = new ForumCategories($dbConn);
         $this->topics = new ForumTopics($dbConn);
         $this->topicRedirects = new ForumTopicRedirects($dbConn);

src/Forum/ForumPostInfo.php

@@ -1,10 +1,10 @@
 <?php
 namespace Misuzu\Forum;
 
-use Index\DateTime;
-use Index\Data\IDbResult;
-use Index\Net\IPAddress;
 use Misuzu\Parsers\Parser;
+use Carbon\CarbonImmutable;
+use Index\XDateTime;
+use Index\Db\DbResult;
 
 class ForumPostInfo {
     public function __construct(
@@ -21,7 +21,7 @@ class ForumPostInfo {
         private ?int $deleted,
     ) {}
 
-    public static function fromResult(IDbResult $result): ForumPostInfo {
+    public static function fromResult(DbResult $result): ForumPostInfo {
         return new ForumPostInfo(
             id: $result->getString(0),
             topicId: $result->getString(1),
@@ -57,14 +57,10 @@ class ForumPostInfo {
         return $this->userId;
     }
 
-    public function getRemoteAddressRaw(): string {
+    public function getRemoteAddress(): string {
         return $this->remoteAddr;
     }
 
-    public function getRemoteAddress(): IPAddress {
-        return IPAddress::parse($this->remoteAddr);
-    }
-
     public function getBody(): string {
         return $this->body;
     }
@@ -93,16 +89,17 @@ class ForumPostInfo {
         return $this->created;
     }
 
-    public function getCreatedAt(): DateTime {
-        return DateTime::fromUnixTimeSeconds($this->created);
+    public function getCreatedAt(): CarbonImmutable {
+        return CarbonImmutable::createFromTimestampUTC($this->created);
     }
 
-    private static ?DateTime $markAsEditedThreshold = null;
+    private static ?CarbonImmutable $markAsEditedThreshold = null;
+
     public function shouldMarkAsEdited(): bool {
         if(self::$markAsEditedThreshold === null)
-            self::$markAsEditedThreshold = DateTime::now()->modify('-5 minutes');
+            self::$markAsEditedThreshold = new CarbonImmutable('-5 minutes');
 
-        return $this->getCreatedAt()->isLessThan(self::$markAsEditedThreshold);
+        return XDateTime::compare($this->getCreatedAt(), self::$markAsEditedThreshold) < 0;
     }
 
     public function isEdited(): bool {
@@ -113,16 +110,17 @@ class ForumPostInfo {
         return $this->edited;
     }
 
-    public function getEditedAt(): ?DateTime {
-        return $this->edited === null ? null : DateTime::fromUnixTimeSeconds($this->edited);
+    public function getEditedAt(): ?CarbonImmutable {
+        return $this->edited === null ? null : CarbonImmutable::createFromTimestampUTC($this->edited);
     }
 
-    private static ?DateTime $canBeDeletedThreshold = null;
+    private static ?CarbonImmutable $canBeDeletedThreshold = null;
+
     public function canBeDeleted(): bool {
         if(self::$canBeDeletedThreshold === null)
-            self::$canBeDeletedThreshold = DateTime::now()->modify('-1 week');
+            self::$canBeDeletedThreshold = new CarbonImmutable('-1 week');
 
-        return $this->getCreatedAt()->isMoreThanOrEqual(self::$canBeDeletedThreshold);
+        return XDateTime::compare($this->getCreatedAt(), self::$canBeDeletedThreshold) >= 0;
     }
 
     public function isDeleted(): bool {
@@ -133,7 +131,7 @@ class ForumPostInfo {
         return $this->deleted;
     }
 
-    public function getDeletedAt(): ?DateTime {
-        return $this->deleted === null ? null : DateTime::fromUnixTimeSeconds($this->deleted);
+    public function getDeletedAt(): ?CarbonImmutable {
+        return $this->deleted === null ? null : CarbonImmutable::createFromTimestampUTC($this->deleted);
     }
 }

src/Forum/ForumPosts.php

@@ -4,19 +4,16 @@ namespace Misuzu\Forum;
 use InvalidArgumentException;
 use RuntimeException;
 use stdClass;
-use Index\DateTime;
-use Index\Data\DbStatementCache;
-use Index\Data\DbTools;
-use Index\Data\IDbConnection;
-use Index\Net\IPAddress;
+use Carbon\CarbonImmutable;
+use Index\Db\{DbConnection,DbStatementCache,DbTools};
 use Misuzu\Pagination;
 use Misuzu\Users\UserInfo;
 
 class ForumPosts {
-    private IDbConnection $dbConn;
+    private DbConnection $dbConn;
     private DbStatementCache $cache;
 
-    public function __construct(IDbConnection $dbConn) {
+    public function __construct(DbConnection $dbConn) {
         $this->dbConn = $dbConn;
         $this->cache = new DbStatementCache($dbConn);
     }
@@ -267,7 +264,7 @@ class ForumPosts {
     public function createPost(
         ForumTopicInfo|string $topicInfo,
         UserInfo|string|null $userInfo,
-        IPAddress|string $remoteAddr,
+        string $remoteAddr,
         string $body,
         int $bodyParser,
         bool $displaySignature,
@@ -285,9 +282,6 @@ class ForumPosts {
         if($userInfo instanceof UserInfo)
             $userInfo = $userInfo->getId();
 
-        if($remoteAddr instanceof IPAddress)
-            $remoteAddr = (string)$remoteAddr;
-
         $stmt = $this->cache->get('INSERT INTO msz_forum_posts (topic_id, forum_id, user_id, post_ip, post_text, post_parse, post_display_signature) VALUES (?, ?, ?, INET6_ATON(?), ?, ?, ?)');
         $stmt->addParameter(1, $topicInfo);
         $stmt->addParameter(2, $categoryInfo);
@@ -303,7 +297,7 @@ class ForumPosts {
 
     public function updatePost(
         ForumPostInfo|string $postInfo,
-        IPAddress|string|null $remoteAddr = null,
+        ?string $remoteAddr = null,
         ?string $body = null,
         ?int $bodyParser = null,
         ?bool $displaySignature = null,
@@ -316,9 +310,6 @@ class ForumPosts {
         $values = [];
 
         if($remoteAddr !== null) {
-            if($remoteAddr instanceof IPAddress)
-                $remoteAddr = (string)$remoteAddr;
-
             $fields[] = 'post_ip = INET6_ATON(?)';
             $values[] = $remoteAddr;
         }
@@ -395,8 +386,8 @@ class ForumPosts {
         return $result->getInteger(0);
     }
 
-    public function getUserLastPostCreatedAt(UserInfo|string $userInfo): DateTime {
-        return DateTime::fromUnixTimeSeconds($this->getUserLastPostCreatedTime($userInfo));
+    public function getUserLastPostCreatedAt(UserInfo|string $userInfo): CarbonImmutable {
+        return CarbonImmutable::createFromTimestampUTC($this->getUserLastPostCreatedTime($userInfo));
     }
 
     public function generatePostRankings(

src/Forum/ForumTopicInfo.php

@@ -1,8 +1,9 @@
 <?php
 namespace Misuzu\Forum;
 
-use Index\DateTime;
-use Index\Data\IDbResult;
+use Carbon\CarbonImmutable;
+use Index\XDateTime;
+use Index\Db\DbResult;
 
 class ForumTopicInfo {
     public const TYPE_DISCUSSION = 0;
@@ -32,7 +33,7 @@ class ForumTopicInfo {
         private ?int $locked,
     ) {}
 
-    public static function fromResult(IDbResult $result): ForumTopicInfo {
+    public static function fromResult(DbResult $result): ForumTopicInfo {
         return new ForumTopicInfo(
             id: $result->getString(0),
             categoryId: $result->getString(1),
@@ -136,25 +137,25 @@ class ForumTopicInfo {
         return $this->created;
     }
 
-    public function getCreatedAt(): DateTime {
-        return DateTime::fromUnixTimeSeconds($this->created);
+    public function getCreatedAt(): CarbonImmutable {
+        return CarbonImmutable::createFromTimestampUTC($this->created);
     }
 
-    private static ?DateTime $lastActiveAt = null;
+    private static ?CarbonImmutable $lastActiveAt = null;
 
     public function isActive(): bool {
         if(self::$lastActiveAt === null)
-            self::$lastActiveAt = DateTime::now()->modify('-1 month');
+            self::$lastActiveAt = new CarbonImmutable('-1 month');
 
-        return $this->getBumpedAt()->isMoreThanOrEqual(self::$lastActiveAt);
+        return XDateTime::compare($this->getBumpedAt(), self::$lastActiveAt) >= 0;
     }
 
     public function getBumpedTime(): int {
         return $this->bumped;
     }
 
-    public function getBumpedAt(): DateTime {
-        return DateTime::fromUnixTimeSeconds($this->bumped);
+    public function getBumpedAt(): CarbonImmutable {
+        return CarbonImmutable::createFromTimestampUTC($this->bumped);
     }
 
     public function isDeleted(): bool {
@@ -165,8 +166,8 @@ class ForumTopicInfo {
         return $this->deleted;
     }
 
-    public function getDeletedAt(): ?DateTime {
-        return $this->deleted === null ? null : DateTime::fromUnixTimeSeconds($this->deleted);
+    public function getDeletedAt(): ?CarbonImmutable {
+        return $this->deleted === null ? null : CarbonImmutable::createFromTimestampUTC($this->deleted);
     }
 
     public function isLocked(): bool {
@@ -177,7 +178,7 @@ class ForumTopicInfo {
         return $this->locked;
     }
 
-    public function getLockedAt(): ?DateTime {
-        return $this->locked === null ? null : DateTime::fromUnixTimeSeconds($this->locked);
+    public function getLockedAt(): ?CarbonImmutable {
+        return $this->locked === null ? null : CarbonImmutable::createFromTimestampUTC($this->locked);
     }
 }

src/Forum/ForumTopicRedirectInfo.php

@@ -1,8 +1,8 @@
 <?php
 namespace Misuzu\Forum;
 
-use Index\DateTime;
-use Index\Data\IDbResult;
+use Carbon\CarbonImmutable;
+use Index\Db\DbResult;
 
 class ForumTopicRedirectInfo {
     public function __construct(
@@ -12,7 +12,7 @@ class ForumTopicRedirectInfo {
         private int $created,
     ) {}
 
-    public static function fromResult(IDbResult $result): ForumTopicRedirectInfo {
+    public static function fromResult(DbResult $result): ForumTopicRedirectInfo {
         return new ForumTopicRedirectInfo(
             topicId: $result->getString(0),
             userId: $result->getStringOrNull(1),
@@ -41,7 +41,7 @@ class ForumTopicRedirectInfo {
         return $this->created;
     }
 
-    public function getCreatedAt(): DateTime {
-        return DateTime::fromUnixTimeSeconds($this->created);
+    public function getCreatedAt(): CarbonImmutable {
+        return CarbonImmutable::createFromTimestampUTC($this->created);
     }
 }

src/Forum/ForumTopicRedirects.php

@@ -2,15 +2,14 @@
 namespace Misuzu\Forum;
 
 use RuntimeException;
-use Index\Data\DbStatementCache;
-use Index\Data\IDbConnection;
+use Index\Db\{DbConnection,DbStatementCache};
 use Misuzu\Pagination;
 use Misuzu\Users\UserInfo;
 
 class ForumTopicRedirects {
     private DbStatementCache $cache;
 
-    public function __construct(IDbConnection $dbConn) {
+    public function __construct(DbConnection $dbConn) {
         $this->cache = new DbStatementCache($dbConn);
     }
 

src/Forum/ForumTopics.php

@@ -4,17 +4,15 @@ namespace Misuzu\Forum;
 use InvalidArgumentException;
 use RuntimeException;
 use stdClass;
-use Index\Data\DbStatementCache;
-use Index\Data\DbTools;
-use Index\Data\IDbConnection;
+use Index\Db\{DbConnection,DbStatementCache,DbTools};
 use Misuzu\Pagination;
 use Misuzu\Users\UserInfo;
 
 class ForumTopics {
-    private IDbConnection $dbConn;
+    private DbConnection $dbConn;
     private DbStatementCache $cache;
 
-    public function __construct(IDbConnection $dbConn) {
+    public function __construct(DbConnection $dbConn) {
         $this->dbConn = $dbConn;
         $this->cache = new DbStatementCache($dbConn);
     }

src/Hanyuu/HanyuuRpcActions.php

@@ -0,0 +1,162 @@
+<?php
+namespace Misuzu\Hanyuu;
+
+use RuntimeException;
+use Misuzu\CSRF;
+use Misuzu\Auth\AuthContext;
+use Misuzu\Users\{UsersContext,UserInfo};
+use Aiwass\Server\{RpcActionHandler,RpcProcedure};
+use Index\Colour\Colour;
+use Index\Config\Config;
+use Index\Urls\UrlRegistry;
+
+final class HanyuuRpcActions extends RpcActionHandler {
+    public function __construct(
+        private $getBaseUrl,
+        private Config $impersonateConfig,
+        private UrlRegistry $urls,
+        private UsersContext $usersCtx,
+        private AuthContext $authCtx
+    ) {}
+
+    private static function createPayload(string $name, array $attrs = []): array {
+        $payload = ['name' => $name, 'attrs' => []];
+        foreach($attrs as $name => $value) {
+            if($value === null)
+                continue;
+            $payload['attrs'][(string)$name] = $value;
+        }
+
+        return $payload;
+    }
+
+    private static function createErrorPayload(string $code, ?string $text = null): array {
+        $attrs = ['code' => $code];
+        if($text !== null && $text !== '')
+            $attrs['text'] = $text;
+
+        return self::createPayload('error', $attrs);
+    }
+
+    private function canImpersonateUserId(UserInfo $impersonator, string $targetId): bool {
+        if($impersonator->isSuperUser())
+            return true;
+
+        return in_array(
+            $targetId,
+            $this->impersonateConfig->getArray(sprintf('allow.u%s', $impersonator->getId())),
+            true
+        );
+    }
+
+    #[RpcProcedure('mszhau:authCheck')]
+    public function procAuthCheck(string $method, string $remoteAddr, string $token, string $avatars = '') {
+        if($method !== 'Misuzu')
+            return self::createErrorPayload('auth:check:method', 'Requested auth method is not supported.');
+
+        if(filter_var($remoteAddr, FILTER_VALIDATE_IP) === false)
+            return self::createErrorPayload('auth:check:remote_addr', 'Provided remote address is not in a valid format.');
+
+        $avatarResolutions = trim($avatars);
+        if($avatarResolutions === '') {
+            $avatarResolutions = [];
+        } else {
+            $avatarResolutions = explode(',', $avatarResolutions);
+            foreach($avatarResolutions as $key => $avatarRes) {
+                if(!ctype_digit($avatarRes))
+                    return self::createErrorPayload('auth:check:avatars', 'Avatar resolution set must be a comma separated set of numbers or empty.');
+                $avatarResolutions[$key] = (int)$avatarRes;
+            }
+            $avatarResolutions = array_unique($avatarResolutions);
+        }
+
+        $baseUrl = ($this->getBaseUrl)();
+        $loginUrl = $baseUrl . $this->urls->format('auth-login');
+        $registerUrl = $baseUrl . $this->urls->format('auth-register');
+
+        $tokenPacker = $this->authCtx->createAuthTokenPacker();
+        $tokenInfo = $tokenPacker->unpack(trim($token));
+        if($tokenInfo->isEmpty())
+            return self::createPayload('auth:check:fail', ['reason' => 'empty', 'login_url' => $loginUrl, 'register_url' => $registerUrl]);
+
+        $sessions = $this->authCtx->getSessions();
+        try {
+            $sessionInfo = $sessions->getSession(sessionToken: $tokenInfo->getSessionToken());
+        } catch(RuntimeException $ex) {
+            return self::createPayload('auth:check:fail', ['reason' => 'session', 'login_url' => $loginUrl, 'register_url' => $registerUrl]);
+        }
+
+        if($sessionInfo->hasExpired()) {
+            $sessions->deleteSessions(sessionInfos: $sessionInfo);
+            return self::createPayload('auth:check:fail', ['reason' => 'expired', 'login_url' => $loginUrl, 'register_url' => $registerUrl]);
+        }
+
+        $sessions->recordSessionActivity(sessionInfo: $sessionInfo, remoteAddr: $remoteAddr);
+
+        $users = $this->usersCtx->getUsers();
+        $userInfo = $userInfoReal = $users->getUser($sessionInfo->getUserId(), 'id');
+        if($tokenInfo->hasImpersonatedUserId() && $this->canImpersonateUserId($userInfo, $tokenInfo->getImpersonatedUserId())) {
+            try {
+                $userInfo = $users->getUser($tokenInfo->getImpersonatedUserId(), 'id');
+            } catch(RuntimeException $ex) {
+                $userInfo = $userInfoReal;
+            }
+        }
+
+        $response = [];
+        $response['session'] = [
+            'token' => $sessionInfo->getToken(),
+            'created_at' => $sessionInfo->getCreatedTime(),
+            'expires_at' => $sessionInfo->getExpiresTime(),
+            'lifetime_extends' => $sessionInfo->shouldBumpExpires(),
+        ];
+
+        $banInfo = $this->usersCtx->tryGetActiveBan($userInfo);
+        if($banInfo !== null)
+            $response['ban'] = [
+                'severity' => $banInfo->getSeverity(),
+                'reason' => $banInfo->getPublicReason(),
+                'created_at' => $banInfo->getCreatedTime(),
+                'is_permanent' => $banInfo->isPermanent(),
+                'expires_at' => $banInfo->getExpiresTime(),
+                'duration_str' => $banInfo->getDurationString(),
+                'remaining_str' => $banInfo->getRemainingString(),
+            ];
+
+        $gatherRequestedAvatars = function($userInfo) use ($avatarResolutions, $baseUrl) {
+            $formatAvatarUrl = fn($res = 0) => (
+                $baseUrl . $this->urls->format('user-avatar', ['user' => $userInfo->getId(), 'res' => $res])
+            );
+
+            $avatars = ['original' => $formatAvatarUrl()];
+
+            foreach($avatarResolutions as $avatarRes)
+                $avatars[sprintf('x%d', $avatarRes)] = $formatAvatarUrl($avatarRes);
+
+            return $avatars;
+        };
+
+        $extractUserInfo = fn($userInfo) => [
+            'id' => $userInfo->getId(),
+            'name' => $userInfo->getName(),
+            'colour' => (string)$users->getUserColour($userInfo),
+            'rank' => $users->getUserRank($userInfo),
+            'is_super' => $userInfo->isSuperUser(),
+            'country_code' => $userInfo->getCountryCode(),
+            'is_deleted' => $userInfo->isDeleted(),
+            'has_totp' => $userInfo->hasTOTPKey(),
+            'profile_url' => $baseUrl . $this->urls->format('user-profile', ['user' => $userInfo->getId()]),
+            'avatars' => $gatherRequestedAvatars($userInfo),
+        ];
+
+        $response['user'] = $extractUserInfo($userInfo);
+        if($userInfo !== $userInfoReal) {
+            $response['guise'] = $extractUserInfo($userInfoReal);
+
+            $csrfp = CSRF::create($sessionInfo->getToken());
+            $response['guise']['revert_url'] = $baseUrl . $this->urls->format('auth-revert', ['csrf' => $csrfp->createToken()]);
+        }
+
+        return self::createPayload('auth:check:success', $response);
+    }
+}

src/Home/HomeRoutes.php

@@ -2,23 +2,25 @@
 namespace Misuzu\Home;
 
 use RuntimeException;
-use Index\DateTime;
-use Index\Data\{DbTools,IDbConnection};
-use Index\Http\Routing\{HttpGet,RouteHandler};
-use Syokuhou\IConfig;
+use Index\XDateTime;
+use Index\Config\Config;
+use Index\Db\{DbConnection,DbTools};
+use Index\Http\Routing\{HttpGet,RouteHandler,RouteHandlerTrait};
+use Index\Urls\{UrlFormat,UrlSource,UrlSourceTrait};
 use Misuzu\{Pagination,SiteInfo,Template};
 use Misuzu\Auth\AuthInfo;
 use Misuzu\Changelog\Changelog;
 use Misuzu\Comments\Comments;
 use Misuzu\Counters\Counters;
 use Misuzu\News\News;
-use Misuzu\URLs\URLInfo;
 use Misuzu\Users\UsersContext;
 
-class HomeRoutes extends RouteHandler {
+class HomeRoutes implements RouteHandler, UrlSource {
+    use RouteHandlerTrait, UrlSourceTrait;
+
     public function __construct(
-        private IConfig $config,
-        private IDbConnection $dbConn,
+        private Config $config,
+        private DbConnection $dbConn,
         private SiteInfo $siteInfo,
         private AuthInfo $authInfo,
         private Changelog $changelog,
@@ -151,7 +153,7 @@ class HomeRoutes extends RouteHandler {
     }
 
     #[HttpGet('/')]
-    #[URLInfo('index', '/')]
+    #[UrlFormat('index', '/')]
     public function getIndex(...$args) {
         return $this->authInfo->isLoggedIn()
             ? $this->getHome(...$args)
@@ -167,7 +169,7 @@ class HomeRoutes extends RouteHandler {
         $stats['users:online:recent'] = count($onlineUserInfos);
 
         $birthdays = [];
-        $birthdayInfos = $this->usersCtx->getUsers()->getUsers(deleted: false, birthdate: DateTime::now(), orderBy: 'random');
+        $birthdayInfos = $this->usersCtx->getUsers()->getUsers(deleted: false, birthdate: XDateTime::now(), orderBy: 'random');
         foreach($birthdayInfos as $birthdayInfo)
             $birthdays[] = [
                 'info' => $birthdayInfo,

src/Info/InfoRoutes.php

@@ -1,12 +1,14 @@
 <?php
 namespace Misuzu\Info;
 
-use Index\Http\Routing\{HttpGet,RouteHandler};
+use Index\Http\Routing\{HttpGet,RouteHandler,RouteHandlerTrait};
+use Index\Urls\{UrlFormat,UrlSource,UrlSourceTrait};
 use Misuzu\Template;
 use Misuzu\Parsers\Parser;
-use Misuzu\URLs\URLInfo;
 
-class InfoRoutes extends RouteHandler {
+class InfoRoutes implements RouteHandler, UrlSource {
+    use RouteHandlerTrait, UrlSourceTrait;
+
     private const DOCS_PATH = MSZ_ROOT . '/docs';
     private const PROJECT_PATHS = [
         'misuzu' => MSZ_ROOT,
@@ -18,14 +20,14 @@ class InfoRoutes extends RouteHandler {
     ];
 
     #[HttpGet('/info')]
-    #[URLInfo('info-index', '/info')]
+    #[UrlFormat('info-index', '/info')]
     public function getIndex() {
         return Template::renderRaw('info.index');
     }
 
     #[HttpGet('/info/([A-Za-z0-9_]+)')]
-    #[URLInfo('info', '/info/<title>')]
-    #[URLInfo('info-doc', '/info/<title>')]
+    #[UrlFormat('info', '/info/<title>')]
+    #[UrlFormat('info-doc', '/info/<title>')]
     public function getDocsPage($response, $request, string $name) {
         return $this->serveMarkdownDocument(
             sprintf('%s/%s.md', self::DOCS_PATH, $name)
@@ -71,7 +73,7 @@ class InfoRoutes extends RouteHandler {
     }
 
     #[HttpGet('/info/([A-Za-z0-9_]+)/([A-Za-z0-9_]+)')]
-    #[URLInfo('info-project-doc', '/info/<project>/<title>')]
+    #[UrlFormat('info-project-doc', '/info/<project>/<title>')]
     public function getProjectPage($response, $request, string $project, string $name) {
         if(!array_key_exists($project, self::PROJECT_PATHS))
             return 404;

src/LegacyRoutes.php

@@ -1,15 +1,19 @@
 <?php
 namespace Misuzu;
 
-use Index\Http\Routing\{HttpGet,RouteHandler};
-use Misuzu\URLs\{IURLSource,URLInfo,URLRegistry};
+use Index\Http\Routing\{HttpGet,RouteHandler,RouteHandlerTrait};
+use Index\Urls\{UrlFormat,UrlRegistry,UrlSource};
+
+class LegacyRoutes implements RouteHandler, UrlSource {
+    use RouteHandlerTrait;
 
-class LegacyRoutes extends RouteHandler implements IURLSource {
     public function __construct(
-        private URLRegistry $urls
+        private UrlRegistry $urls
     ) {}
 
-    public function registerURLs(URLRegistry $urls): void {
+    public function registerUrls(UrlRegistry $urls): void {
+        UrlFormat::register($urls, $this);
+
         // eventually this should be handled by context classes
         $urls->register('search-index', '/search.php');
         $urls->register('search-query', '/search.php', ['q' => '<query>'], '<section>');
@@ -156,20 +160,6 @@ class LegacyRoutes extends RouteHandler implements IURLSource {
         $response->redirect($location, true);
     }
 
-    #[HttpGet('/news.php/rss')]
-    public function getNewsRssPHP($response, $request): void {
-        $catId = (int)$request->getParam('c', FILTER_SANITIZE_NUMBER_INT);
-        $location = $this->urls->format($catId > 0 ? 'news-category-feed-rss' : 'news-feed-rss', ['category' => $catId]);
-        $response->redirect($location, true);
-    }
-
-    #[HttpGet('/news.php/atom')]
-    public function getNewsAtomPHP($response, $request): void {
-        $catId = (int)$request->getParam('c', FILTER_SANITIZE_NUMBER_INT);
-        $location = $this->urls->format($catId > 0 ? 'news-category-feed-atom' : 'news-feed-atom', ['category' => $catId]);
-        $response->redirect($location, true);
-    }
-
     #[HttpGet('/news/index.php')]
     public function getNewsIndexPHP($response, $request): void {
         $response->redirect($this->urls->format('news-index', [
@@ -192,25 +182,15 @@ class LegacyRoutes extends RouteHandler implements IURLSource {
         ]), true);
     }
 
+    #[HttpGet('/news.php/rss')]
+    #[HttpGet('/news.php/atom')]
     #[HttpGet('/news/feed.php')]
-    public function getNewsFeedPHP($response, $request): int {
-        return 400;
-    }
-
     #[HttpGet('/news/feed.php/rss')]
-    public function getNewsFeedRssPHP($response, $request): void {
-        $catId = (int)$request->getParam('c', FILTER_SANITIZE_NUMBER_INT);
-        $response->redirect($this->urls->format(
-            $catId > 0 ? 'news-category-feed-rss' : 'news-feed-rss',
-            ['category' => $catId]
-        ), true);
-    }
-
     #[HttpGet('/news/feed.php/atom')]
-    public function getNewsFeedAtomPHP($response, $request): void {
+    public function getNewsFeedPHP($response, $request): void {
         $catId = (int)$request->getParam('c', FILTER_SANITIZE_NUMBER_INT);
         $response->redirect($this->urls->format(
-            $catId > 0 ? 'news-category-feed-atom' : 'news-feed-atom',
+            $catId > 0 ? 'news-category-feed' : 'news-feed',
             ['category' => $catId]
         ), true);
     }
@@ -262,7 +242,7 @@ class LegacyRoutes extends RouteHandler implements IURLSource {
     }
 
     #[HttpGet('/manage')]
-    #[URLInfo('manage-index', '/manage')]
+    #[UrlFormat('manage-index', '/manage')]
     public function getManageIndex($response): void {
         $response->redirect($this->urls->format('manage-general-overview'));
     }