Bump version

Update copyright notice
Fix post-installation sound check for a case with disabled mod_rewrite
2025-06-25 17:28:38 +03:00 · 2023-05-30 21:51:49 +03:00 · 2023-05-30 21:49:59 +03:00 · 2023-05-24 17:37:34 +03:00 · 2023-05-24 16:47:30 +03:00 · 2023-05-24 16:46:14 +03:00
553 changed files with 9442 additions and 1083 deletions
--- a/.gitignore
+++ b/.gitignore
@ -1,6 +1,11 @@
+# IDE folders
+.idea
+
 src/mibew/install/package
 src/absent_*
 src/release*
+src/upload*
+src/*.po

 # Do not index actual configuration files
 src/mibew/configs/config.yml
@ -33,17 +38,18 @@ src/mibew/js/vendor

 # Do not index node.js modules that are used for building
 src/node_modules
+src/package-lock.json

 # Do not index compiled js files of the core
 src/mibew/js/compiled/*
 !src/mibew/js/compiled/.keep

 # Do not index compiled files of chat styles
-src/mibew/styles/chats/default/templates_compiled/client_side/*
-!src/mibew/styles/chats/default/templates_compiled/client_side/.keep
-src/mibew/styles/chats/default/js/compiled/*
-!src/mibew/styles/chats/default/js/compiled/.keep
+src/mibew/styles/chats/*/templates_compiled/client_side/*
+!src/mibew/styles/chats/*/templates_compiled/client_side/.keep
+src/mibew/styles/chats/*/js/compiled/*
+!src/mibew/styles/chats/*/js/compiled/.keep

 # Do not index compiled files of page styles
-src/mibew/styles/pages/default/templates_compiled/client_side/*
-!src/mibew/styles/pages/default/templates_compiled/client_side/.keep
+src/mibew/styles/pages/*/templates_compiled/client_side/*
+!src/mibew/styles/pages/*/templates_compiled/client_side/.keep
--- a/.gitmodules
+++ b/.gitmodules
@ -0,0 +1,3 @@
+[submodule "src/i18n"]
+	path = src/i18n
+	url = git@github.com:Mibew/i18n.git
--- a/ISSUE_TEMPLATE.md
+++ b/ISSUE_TEMPLATE.md
@ -0,0 +1,12 @@
+### Environment
+* Mibew Messenger version:
+* OS:
+* Web server:
+* PHP:
+* PHP extensions:
+* MySQL: 
+### Expected behavior
+
+### Actual behavior
+
+### Steps to reproduce the behavior
--- a/1
+++ b/1
@ -0,0 +1 @@
+./src/mibew/LICENSE.txt
--- a/PULL_REQUEST_TEMPLATE.md
+++ b/PULL_REQUEST_TEMPLATE.md
@ -0,0 +1,8 @@
+Fixes # .
+
+Changes proposed in this pull request:
+-
+-
+-
+
+@Mibew/core-developers
--- a/README.md
+++ b/README.md
@ -11,7 +11,7 @@ This repository contains the core of Mibew Messenger application.
 ## Server requirements

 1. A webserver or web hosting account running on any major Operating System
-2. PHP (5.3.3 and above) with PDO, pdo_mysql, cURL, mbstring and gd extensions
+2. PHP (7.2.5 and above) with PDO, pdo_mysql, cURL, mbstring and gd extensions
 3. MySQL 5.0 and above

 ## Build from sources
@ -33,7 +33,39 @@ Mibew Messenger is licensed under the terms of [Apache License, Version 2.0](htt

 ## Other repositories of the Mibew project

+### Actual
 1. [Mibew Messenger i18n repository](https://github.com/Mibew/i18n)
 2. [Mibew Messenger design repository](https://github.com/Mibew/design)
-3. [Mibew Java applications repository](https://github.com/Mibew/java)
-4. [Mibew Tray repository](https://github.com/Mibew/tray)
+3. [Mibew documentation repository](https://github.com/Mibew/docs.mibew.org)
+
+### Obsolete
+1. [Mibew Java applications repository](https://github.com/Mibew/java)
+2. [Mibew Tray repository](https://github.com/Mibew/tray)
+
+### Plugins
+
+1. [Mibew Boilerplate plugin](https://github.com/Mibew/boilerplate-plugin) - a template for a real plugin
+
+#### Ready for production use
+
+1. [Mibew Advanced Button plugin](https://github.com/Mibew/advanced-button-plugin)
+2. [Mibew Auto Invite plugin](https://github.com/Mibew/auto-invite-plugin)
+3. [Mibew Auto Reply plugin](https://github.com/Mibew/auto-reply-plugin)
+4. [Mibew Broadcast plugin](https://github.com/Mibew/broadcast-plugin)
+5. [Mibew Bulk Logs Operations plugin](https://github.com/Mibew/bulk-logs-operations-plugin)
+6. [Mibew Button Refresh plugin](https://github.com/Mibew/button-refresh-plugin)
+7. [Mibew Emoji plugin](https://github.com/Mibew/emoji-plugin)
+8. [Mibew Filter Visitors By Operator Code plugin](https://github.com/Mibew/filter-visitors-by-operator-code-plugin)
+9. [Mibew First Message plugin](https://github.com/Mibew/first-message-plugin)
+10. [Mibew Geo IP plugin](https://github.com/Mibew/geo-ip-plugin)
+11. [Mibew Google Maps plugin](https://github.com/Mibew/google-maps-plugin)
+12. [Mibew Open Street Map plugin](https://github.com/Mibew/open-street-map-plugin)
+13. [Mibew Operator Status plugin](https://github.com/Mibew/mibew-operator-status-plugin)
+14. [Mibew Purge History plugin](https://github.com/Mibew/purge-history-plugin)
+15. [Mibew Real Ban plugin](https://github.com/Mibew/real-ban-plugin)
+16. [Mibew Slack plugin](https://github.com/Mibew/mibew_slack)
+17. [Mibew Title Notification plugin](https://github.com/Mibew/title-notification-plugin)
+
+#### Not ready for production use (not stable, broken, obsolete, etc.)
+
+1. [Mibew External API plugin](https://github.com/Mibew/external-api-plugin)
--- a/src/bower.json
+++ b/src/bower.json
@ -7,7 +7,7 @@
        "jquery": "1.11.3",
        "backbone": "1.1.2",
        "marionette": "2.4.1",
-        "handlebars": "3.0.3",
+        "handlebars": "4.3.0",
        "vex": "2.3.2",
        "validator-js": "3.40.0"
    },
--- a/src/composer.json
+++ b/src/composer.json
@ -1,41 +1,51 @@
 {
    "name": "mibew/mibew",
-    "version": "2.1.2",
+    "version": "3.6.0",
    "description": "Mibew Messenger - open-source live support application",
    "type": "project",
-    "homepage": "http://mibew.org",
+    "homepage": "https://mibew.org",
    "license": "Apache-2.0",
    "authors": [
        {
            "name": "Mibew Messenger Project",
-            "homepage": "http://mibew.org/credits"
+            "homepage": "https://mibew.org/credits"
        }
    ],
    "support": {
        "email": "support@mibew.org",
        "issues": "https://github.com/mibew/mibew/issues",
-        "forum": "http://mibew.org/forums",
+        "forum": "https://mibew.org/forums",
        "source": "https://github.com/mibew/mibew"
    },
+    "repositories": [
+        {
+            "type": "vcs",
+            "url": "https://github.com/mibew/handlebars.php"
+        },
+        {
+            "type": "vcs",
+            "url": "https://github.com/mibew/handlebars.php-helpers"
+        }
+    ],
    "require": {
-        "xamin/handlebars.php": "0.10.*",
-        "justblackbird/handlebars.php-helpers": "~0.2.1",
-        "symfony/http-foundation": "2.6.*",
-        "symfony/routing": "2.6.*",
-        "symfony/config": "2.6.*",
-        "symfony/yaml": "2.6.*",
+        "mibew/handlebars.php": "~0.10.5",
+        "mibew/handlebars.php-helpers": "1.*",
+        "symfony/http-foundation": "4.4.*",
+        "symfony/routing": "4.4.*",
+        "symfony/config": "4.4.*",
+        "symfony/yaml": "^5.2",
        "symfony/translation": "2.6.*",
        "tedivm/stash": "0.12.*",
-        "canteen/html5": "1.1.*",
+        "mibew/html5": "1.1.*",
        "vierbergenlars/php-semver": "3.0.*",
        "swiftmailer/swiftmailer": "~5.4.0",
-        "ua-parser/uap-php": "~3.4.1",
+        "ua-parser/uap-php": "^3.9",
        "true/punycode": "~1.1"
    },
    "require-dev": {
-        "squizlabs/php_codesniffer": "~2.3.3"
+        "squizlabs/php_codesniffer": "3.*"
    },
    "config": {
        "vendor-dir": "mibew/vendor"
    }
-}
+}
--- a/src/gulpfile.js
+++ b/src/gulpfile.js
@ -1,8 +1,9 @@
+// Initialize requirements
 var fs = require('fs'),
    https = require('https'),
    exec = require('child_process').exec,
    eventStream = require('event-stream'),
-    runSequence = require('run-sequence'),
+    runSequence = require('gulp4-run-sequence'),
    through = require('through2'),
    lodash = require('lodash'),
    PoFile = require('pofile'),
@ -25,9 +26,11 @@ var fs = require('fs'),
    xgettext = require('gulp-xgettext'),
    concatPo = require('gulp-concat-po'),
    rename = require('gulp-rename'),
-    eslint = require('gulp-eslint');
+    eslint = require('gulp-eslint'),
+    removeDuplicateHeaders = require('mibew-gulp-greh'),
+    mkdirp = require('mkdirp');

-// Set global configs.
+// Set global configuration
 var config = {
    mibewPath: 'mibew',
    configsPath: 'mibew/configs',
@ -39,69 +42,83 @@ var config = {
    jsPath: 'mibew/js',
    chatStylesPath: 'mibew/styles/chats',
    pageStylesPath: 'mibew/styles/pages',
+    i18nPath: 'i18n',
+    i18nPrefix: 'mibew-i18n-',
+    releasePath: 'release',
+    uploadPath: 'upload',
    compiledTemplatesHeader: fs.readFileSync('tools/compiled_templates_header.txt'),
    getComposerUrl: 'https://getcomposer.org/installer',
-    phpBin: 'php -d "suhosin.executor.include.whitelist = phar"',
-    package: require('./composer.json')
+    phpBin: 'php -d "suhosin.executor.include.whitelist = phar" -d "memory_limit=512M"',
+    package: require('./composer.json'),
+    msginit: 'msginit',
+    msgcat: 'msgcat'
 }
+config.i18nSuffix = '-' + config.package.version + '-' + strftime('%Y%m%d');

+// Tasks for cleaning //////////////////

 // Cleans all built files
 gulp.task('clean', function(callback) {
-    del([
-        'release',
+    return del([
+        config.releasePath,
        'composer.lock',
        config.phpVendorPath,
        config.jsVendorPath,
        config.jsPath + '/compiled/**/*',
        '!' + config.jsPath + '/compiled/.keep',
-        config.chatStylesPath + '/default/templates_compiled/client_side/*.js',
-        config.chatStylesPath + '/default/js/compiled/*.js',
-        config.pageStylesPath + '/default/templates_compiled/client_side/*.js'
+        config.chatStylesPath + '/*/templates_compiled/client_side/*.js',
+        config.chatStylesPath + '/*/js/compiled/*.js',
+        config.pageStylesPath + '/*/templates_compiled/client_side/*.js'
    ], callback);
 });

-// Checks all PHP files with PHP Code Sniffer.
-gulp.task('phpcs', ['composer-install-dev'], function() {
-    return gulp.src([
-        config.mibewPath + '/**/*.php',
-        '!' + config.phpVendorPath + '/**/*.*',
-        '!' + config.pluginsPath + '/**/*.*',
-        '!' + config.cachePath + '/**/*.*'
-    ], {
-        // Content of the cache directory is readable only for webserver. Thus
-        // we must to set "strict" option to false to prevent "EACCES" errors.
-        // At the same we need to see all errors that take place.
-        strict: false,
-        silent: false
-    })
-    .pipe(phpcs({
-        bin: config.phpVendorPath + '/bin/phpcs',
-        standard: 'PSR2',
-        warningSeverity: 0
-    }))
-    .pipe(phpcs.reporter('log'))
-    .pipe(phpcs.reporter('fail'));
+// Cleans temporary English translation in the release dir
+gulp.task('clean-tmp-po', function(callback) {
+    return del([config.releasePath + '/translation.po'], callback);
 });

-// Checks all JavaScript Source files with ESLint.
-gulp.task('eslint', function() {
-    return gulp.src(config.jsPath + '/source/**/*.js')
-        .pipe(eslint())
-        .pipe(eslint.format())
-        .pipe(eslint.failAfterError());
+// Cleans temporary files of translations in the release dir
+gulp.task('clean-tmp-i18n-files', function(callback) {
+    return del([
+            config.releasePath + '/**/*',
+            '!' + config.releasePath + '/*.zip',
+            '!' + config.releasePath + '/*.tar.gz',
+            '!' + config.releasePath + '/*.pot'
+    ], callback);
 });

+// Cleans all files prepared for uploading to CDN
+gulp.task('clean-upload', function(callback) {
+    return del([config.uploadPath], callback);
+});
+
+// Cleans everything
+gulp.task('clean-all', function(callback) {
+    runSequence( ['clean', 'clean-upload'],
+                 callback );
+});
+
+
+// Watcher tasks ///////////////////////
+
+// Watch styles
+gulp.task('watch', function() {
+    gulp.watch(config.pageStylesPath + '/**/*.handlebars', gulp.series('page-styles'));
+    gulp.watch(config.chatStylesPath + '/**/js/source/**/*.js', gulp.series('chat-styles-js'));
+    gulp.watch(config.chatStylesPath + '/**/*.handlebars', gulp.series('chat-styles-handlebars'));
+});
+
+// Service tasks //////////////////
+
 // Get and install PHP Composer
 gulp.task('get-composer', function(callback) {
-    // Check if Composer already in place
+    // Check whether Composer is already in place
    if (fs.existsSync('./composer.phar')) {
        callback(null);
-
        return;
    }

-    // Get installer from the internet
+    // Get installer from the Internet
    https.get(config.getComposerUrl, function(response) {
        // Run PHP to install Composer
        var php = exec(config.phpBin, function(error, stdout, stderr) {
@ -113,18 +130,20 @@ gulp.task('get-composer', function(callback) {
 });

 // Install Composer dependencies excluding development ones
-gulp.task('composer-install', ['get-composer'], function(callback) {
-    exec(config.phpBin + ' composer.phar install --no-dev', function(error, stdout, stderr) {
-        callback(error ? stderr : null);
-    });
-});
+gulp.task('composer-install', gulp.series('get-composer', function(callback) {
+    exec(config.phpBin + ' composer.phar install --no-dev',
+        function(error, stdout, stderr) {
+            callback(error ? stderr : null);
+        });
+}));

 // Install all Composer dependencies
-gulp.task('composer-install-dev', ['get-composer'], function(callback) {
-    exec(config.phpBin + ' composer.phar install', function(error, stdout, stderr) {
-        callback(error ? stderr : null);
-    });
-});
+gulp.task('composer-install-dev', gulp.series('get-composer', function(callback) {
+    exec(config.phpBin + ' composer.phar install',
+        function(error, stdout, stderr) {
+            callback(error ? stderr : null);
+        });
+}));

 // Installs bower dependencies
 gulp.task('bower-install', function(callback) {
@ -134,14 +153,15 @@ gulp.task('bower-install', function(callback) {
        })
        .on('end', function() {
            // We should manually minify JavaScript files that was not minified
-            // by bower packages' authors.
+            // by bower packages' authors
            // TODO: This is a temproary workaround and should be removed once
-            // the packages will be fixed.
+            // the packages will be fixed
            var stream = eventStream.merge(
-                gulp.src(config.jsVendorPath + '/backbone/backbone.js', {base: config.jsVendorPath})
+                gulp.src(config.jsVendorPath + '/backbone/backbone.js',
+                         {base: config.jsVendorPath})
                    .pipe(uglify({preserveComments: 'some'}))
                    // There are neither "@license" tag nor "!preserve" in the
-                    // header. Add the header manually.
+                    // header. Add the header manually
                    .pipe(header(
                        "// Backbone.js 1.1.2\n"
                            + "// (c) 2010-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors\n"
@ -150,10 +170,11 @@ gulp.task('bower-install', function(callback) {
                            + "// http://backbonejs.org\n"
                    ))
                    .pipe(rename('backbone/backbone-min.js')),
-                gulp.src(config.jsVendorPath + '/json/json2.js', {base: config.jsVendorPath})
+                gulp.src(config.jsVendorPath + '/json/json2.js',
+                         {base: config.jsVendorPath})
                    .pipe(uglify({preserveComments: 'some'}))
                    // There are neither "@license" tag nor "!preserve" in the
-                    // header. Add the header manually.
+                    // header, add the header manually
                    .pipe(header("// json2.js. Public Domain. See http://www.JSON.org/js.html\n"))
                    .pipe(rename('json/json2.min.js'))
            )
@ -165,7 +186,51 @@ gulp.task('bower-install', function(callback) {
        });
 });

-// Compile all JavaScript files of the Mibew Core
+// Tasks for checking //////////////////
+
+// Checks all PHP files with PHP Code Sniffer
+gulp.task('phpcs', gulp.series('composer-install-dev', function() {
+    return gulp.src([
+                config.mibewPath + '/**/*.php',
+                '!' + config.phpVendorPath + '/**/*.*',
+                '!' + config.pluginsPath + '/**/*.*',
+                '!' + config.cachePath + '/**/*.*'
+        ], {
+            // Content of the cache directory is readable only for webserver.
+            // Thus we must to set "strict" option to false to prevent "EACCES"
+            // errors. At the same we need to see all errors that take place.
+            strict: false,
+            silent: false
+        })
+        .pipe(phpcs({
+            bin: config.phpVendorPath + '/bin/phpcs',
+            standard: 'PSR2',
+            warningSeverity: 0
+        }))
+        .pipe(phpcs.reporter('log'))
+        .pipe(phpcs.reporter('fail'));
+}));
+
+// Checks all JavaScript Source files with ESLint
+gulp.task('eslint', function() {
+    return gulp.src(config.jsPath + '/source/**/*.js')
+        .pipe(eslint())
+        .pipe(eslint.format())
+        .pipe(eslint.failAfterError());
+});
+
+
+// Restore empty English translation in the source code
+gulp.task('post-pack-cleanup', function(callback) {
+    gulp.src('translation.po')
+        .pipe(gulp.dest(config.mibewPath + '/locales/en/'));
+
+    del(['translation.po', config.releasePath + '/translation.po'], callback);
+});
+
+// Tasks of compiling //////////////////
+
+// Compile all JavaScript files of the Mibew Messenger Core
 gulp.task('js', function() {
    return eventStream.merge(
        getClientSideApp('default'),
@ -175,75 +240,111 @@ gulp.task('js', function() {
        gulp.src(config.jsPath + '/source/**/*.js')
    )
    .pipe(uglify({preserveComments: 'some'}))
+    .pipe(removeDuplicateHeaders())
    .pipe(gulp.dest(config.jsPath + '/compiled'));
 });

-// Performs all job related with chat styles.
-gulp.task('chat-styles', ['chat-styles-handlebars', 'chat-styles-js'], function() {
-    // This task is just a combination of other tasks. That is why there is no
-    // real code.
-});
-
-// Compile and concatenate handlebars files for all chat styles.
+// Compile and concatenate Handlebars templates for all chat styles
 gulp.task('chat-styles-handlebars', function() {
-    // TODO: Process all available styles, not only the default one.
-    var stylePath = config.chatStylesPath + '/default';
-
-    return gulp.src(stylePath + '/templates_src/client_side/**/*.handlebars')
-        .pipe(handlebars({
-            // Use specific version of Handlebars.js
-            handlebars: handlebarsEngine
-        }))
-        .pipe(wrapHandlebarsTemplate())
-        .pipe(concat('templates.js'))
-        .pipe(uglify({preserveComments: 'some'}))
-        .pipe(header(config.compiledTemplatesHeader))
-        .pipe(gulp.dest(stylePath + '/templates_compiled/client_side'));
+    return getChildDirs(config.chatStylesPath)
+        .then(function (dirs) {
+            return Promise.all(dirs.map(function (dir) {
+                return new Promise(function(resolve, reject) {
+                    gulp.src(config.chatStylesPath + '/' + dir
+                             + '/templates_src/client_side/**/*.handlebars')
+                        .pipe(handlebars({
+                            // Use specific version of Handlebars.js
+                            handlebars: handlebarsEngine
+                        }))
+                        .pipe(wrapHandlebarsTemplate())
+                        .pipe(concat('templates.js'))
+                        .pipe(uglify({preserveComments: 'some'}))
+                        .pipe(header(config.compiledTemplatesHeader))
+                        .pipe(gulp.dest(config.chatStylesPath + '/' + dir
+                                        + '/templates_compiled/client_side'))
+                        .on('end', resolve)
+                        .on('error', reject);
+                });
+            }));
+        });
 });

-// Compile and concatenate js files for all chat styles.
+// Compile and concatenate js files for all chat styles
 gulp.task('chat-styles-js', function() {
-    // TODO: Process all available styles, not only the default one.
-    var stylePath = config.chatStylesPath + '/default';
-
-    return gulp.src(stylePath + '/js/source/**/*.js')
-        .pipe(concat('scripts.js'))
-        .pipe(uglify({preserveComments: 'some'}))
-        .pipe(gulp.dest(stylePath + '/js/compiled'));
+    return getChildDirs(config.chatStylesPath)
+        .then(function (dirs) {
+            return Promise.all(dirs.map(function (dir) {
+                return new Promise(function(resolve, reject) {
+                    gulp.src(config.chatStylesPath + '/' + dir
+                             + '/js/source/**/*.js')
+                        .pipe(concat('scripts.js'))
+                        .pipe(uglify({preserveComments: 'some'}))
+                        .pipe(gulp.dest(config.chatStylesPath + '/' + dir
+                                        + '/js/compiled'))
+                        .on('end', resolve)
+                        .on('error', reject);
+                });
+            }));
+        });
 });

-// Performs all job related with pages styles.
+// Performs all job related to pages styles
 gulp.task('page-styles', function() {
-    // TODO: Process all available styles, not only the default one.
-    var stylePath = config.pageStylesPath + '/default';
-
-    return gulp.src(stylePath + '/templates_src/client_side/**/*.handlebars')
-        .pipe(handlebars({
-            // Use specific version of Handlebars.js
-            handlebars: handlebarsEngine
-        }))
-        .pipe(wrapHandlebarsTemplate())
-        .pipe(concat('templates.js'))
-        .pipe(uglify({preserveComments: 'some'}))
-        .pipe(header(config.compiledTemplatesHeader))
-        .pipe(gulp.dest(stylePath + '/templates_compiled/client_side'));
+    return getChildDirs(config.pageStylesPath)
+        .then(function (dirs) {
+            return Promise.all(dirs.map(function (dir) {
+                return new Promise(function(resolve, reject){
+                    gulp.src(config.pageStylesPath + '/' + dir
+                             + '/templates_src/client_side/**/*.handlebars')
+                        .pipe(handlebars({
+                            // Use specific version of Handlebars.js
+                            handlebars: handlebarsEngine
+                        }))
+                        .pipe(wrapHandlebarsTemplate())
+                        .pipe(concat('templates.js'))
+                        .pipe(uglify({preserveComments: 'some'}))
+                        .pipe(header(config.compiledTemplatesHeader))
+                        .pipe(gulp.dest(config.pageStylesPath + '/' + dir
+                                        + '/templates_compiled/client_side'))
+                        .on('end', resolve)
+                        .on('error', reject);
+                });
+            }));
+        });
 });

-// Generate .pot files based on the sources
+// Performs all job related to chat styles
+gulp.task('chat-styles', gulp.series('chat-styles-handlebars', 'chat-styles-js'));
+
+// Prepares ready to use development version of Mibew Messenger without
+// packing or validating it
+gulp.task('rebuild', function(callback) {
+    runSequence(
+        'clean',
+        ['js', 'chat-styles', 'page-styles', 'composer-install',
+         'bower-install'],
+        callback
+    );
+});
+
+// Tasks for localization issues ///////
+
+// Generate POT-file based upon the source code
 gulp.task('generate-pot', function() {
    return eventStream.merge(
        gulp.src([
-            config.mibewPath + '/**/*.php',
-            '!' + config.phpVendorPath + '/**/*.*',
-            '!' + config.pluginsPath + '/**/*.*',
-            '!' + config.cachePath + '/**/*.*'
-        ], {
-            // Content of the cache directory is readable only for webserver.
-            // Thus we must to set "strict" option to false to prevent "EACCES"
-            // errors. At the same we need to see all errors that take place.
-            strict: false,
-            silent: false
-        })
+                config.mibewPath + '/**/*.php',
+                '!' + config.phpVendorPath + '/**/*.*',
+                '!' + config.pluginsPath + '/**/*.*',
+                '!' + config.cachePath + '/**/*.*'
+            ], {
+                // Content of the cache directory is readable only for
+                // webserver. Thus we must to set "strict" option to false
+                // to prevent "EACCES" errors. At the same we need to see all
+                // errors that take place.
+                strict: false,
+                silent: false
+            })
            .pipe(xgettext({
                language: 'PHP',
                keywords: [
@ -261,27 +362,88 @@ gulp.task('generate-pot', function() {
                ]
            })),
        gulp.src([
-            config.chatStylesPath + '/default/templates_src/**/*.handlebars',
-            config.pageStylesPath + '/default/templates_src/**/*.handlebars'
-        ], {base: config.mibewPath})
+                config.chatStylesPath + '/default/templates_src/**/*.handlebars',
+                config.pageStylesPath + '/default/templates_src/**/*.handlebars'
+            ], {base: config.mibewPath})
            .pipe(xgettextHandlebars())
    )
-    .pipe(concatPo('translation.pot', {
-        headers: {
-            'Project-Id-Version': 'Mibew Messenger ' + config.package.version,
-            'Report-Msgid-Bugs-To': config.package.support.email,
-            'POT-Creation-Date': strftime('%Y-%m-%d %H:%M%z'),
-            'PO-Revision-Date': '',
-            'Last-Translator': '',
-            'Language-Team': '',
-            'Content-Type': 'text/plain; charset=UTF-8'
-        }
-    }))
-    .pipe(gulp.dest('release'));
+    .pipe(concatPo(config.i18nPrefix + 'translation'
+                   + config.i18nSuffix + '.pot',
+            {
+                headers: {
+                    'Project-Id-Version': 'Mibew Messenger '
+                                            + config.package.version,
+                    'Report-Msgid-Bugs-To': config.package.support.email,
+                    'POT-Creation-Date': strftime('%Y-%m-%d %H:%M%z'),
+                    'PO-Revision-Date': '',
+                    'Last-Translator': '',
+                    'Language-Team': '',
+                    'Content-Type': 'text/plain; charset=UTF-8'
+                }
+            })
+    )
+    .pipe(gulp.dest(config.releasePath));
 });

-// Pack sources to .zip and .tar.gz archives.
-gulp.task('pack-sources', ['composer-install', 'bower-install'], function() {
+// Generate temporary English translation to be used in the release
+gulp.task('generate-tmp-po', gulp.series('generate-pot', function(callback) {
+    return exec(config.msginit + ' --no-translator --no-wrap -i '
+                + config.releasePath + '/' + config.i18nPrefix + 'translation'
+                + config.i18nSuffix + '.pot' + ' -l en -o '
+                + config.releasePath + '/translation.po',
+            function(error, stdout, stderr) {
+                callback(error ? stderr : null);
+            });
+}));
+
+// Generate complete translations (that includes missed strings) to be used
+// in the release
+gulp.task('generate-pos', gulp.series('generate-tmp-po', function(callback) {
+
+    return getChildDirs(config.i18nPath + '/translations')
+       .then(function (dirs) {
+            return Promise.all(dirs.map(function (dir) {
+                return new Promise(function(resolve, reject) {
+                    mkdirp(config.releasePath + '/' + dir, function (error) {
+                        if (error) {
+                            reject(error);
+                        }
+                    });
+                    exec(config.msgcat + ' ' + config.i18nPath + '/translations/'
+                         + dir + '/translation.po ' + config.releasePath
+                         + '/translation.po --no-location --no-wrap --use-first'
+                         + ' -o ' + config.releasePath + '/' + dir
+                         + '/translation.po',
+                         function(error, stdout, stderr) {
+                            if (error) {
+                                reject(error);
+                            }
+                    });
+
+                    var sources = [
+                        config.i18nPath + '/translations/' + dir + '/**/*',
+                        '!' + config.i18nPath + '/translations/' + dir
+                        + '/translation.po'
+                    ];
+
+                    gulp.src(sources)
+                        .pipe(gulp.dest(config.releasePath + '/' + dir))
+                        .on('error', reject)
+                        .on('end', resolve);
+                });
+            }));
+    });
+}));
+
+// Packaging tasks /////////////////////
+
+// Pack sources for release as .zip and .tar.gz archives
+gulp.task('pack-sources', gulp.series('composer-install', 'bower-install', function() {
+    gulp.src(config.mibewPath + '/locales/en/translation.po')
+        .pipe(gulp.dest('.'));
+    gulp.src(config.releasePath + '/translation.po')
+        .pipe(gulp.dest(config.mibewPath + '/locales/en/'));
+
    var sources = [
        config.mibewPath + '/**/*',
        // Exclude user's config
@ -324,13 +486,15 @@ gulp.task('pack-sources', ['composer-install', 'bower-install'], function() {
        '!' + config.jsVendorPath + '/vex/coffee{,/**}'
    ];
    var srcOptions = {
-        // Dot files (.htaccess, .keep, etc.) must be included in the package.
+        // Dot files (.htaccess, .keep, etc.) must be included in the package
        dot: true,
        // Content of the cache directory is readable only for webserver. Thus
        // we must to set "strict" option to false to prevent "EACCES" errors.
        // At the same we need to see all errors that take place.
        strict: false,
-        silent: false
+        silent: false,
+        // Preserve root directory name (i.e. 'mibew/')
+        base: '.'
    }
    var version = config.package.version;

@ -341,46 +505,111 @@ gulp.task('pack-sources', ['composer-install', 'bower-install'], function() {
            .pipe(tar('mibew-' + version + '.tar'))
            .pipe(gzip())
    )
-    .pipe(chmod(0644))
-    .pipe(gulp.dest('release'));
+    .pipe(chmod(644))
+    .pipe(gulp.dest(config.releasePath));
+}));
+
+// Pack translations for release as .zip and .tar.gz archives
+gulp.task('pack-i18n', function(callback) {
+    return getChildDirs(config.i18nPath + '/translations')
+       .then(function (dirs) {
+            return Promise.all(dirs.map(function (dir) {
+                return new Promise(function(resolve, reject) {
+
+                    var srcOptions = {
+                        base: config.releasePath
+                    };
+
+                    eventStream.merge(
+                        gulp.src(config.releasePath + '/' + dir
+                                 + '/**/*', srcOptions)
+                            .pipe(zip(config.i18nPrefix + dir
+                                      + config.i18nSuffix + '.zip')),
+                        gulp.src(config.releasePath + '/' + dir
+                                 + '/**/*', srcOptions)
+                            .pipe(tar(config.i18nPrefix + dir
+                                      + config.i18nSuffix + '.tar'))
+                            .pipe(gzip())
+                    )
+                    .pipe(chmod(644))
+                    .pipe(gulp.dest(config.releasePath))
+                    .on('error', reject)
+                    .on('end', resolve);
+
+                });
+            }));
+    });
 });

-// Performs all tasks in the correct order.
+// Tasks of releasing //////////////////
+
+// Prepare release of Mibew Messenger
 gulp.task('prepare-release', function(callback) {
    runSequence(
        'clean',
-        ['phpcs', 'js', 'chat-styles', 'page-styles', 'generate-pot'],
+        ['phpcs', 'js', 'chat-styles', 'page-styles', 'generate-pot',
+         'generate-tmp-po'],
        'pack-sources',
+        'post-pack-cleanup',
        callback
    );
 });

-// Prepares ready to use development version of Mibew without packing or
-// validating it.
-gulp.task('rebuild', function(callback) {
-    runSequence(
-        'clean',
-        ['js', 'chat-styles', 'page-styles', 'composer-install', 'bower-install'],
-        callback
+// Prepare releases of translations for Mibew Messenger
+gulp.task('prepare-i18n-release', function(callback) {
+    runSequence( 'clean-tmp-po',
+                 'generate-pos',
+                 'pack-i18n',
+                 'clean-tmp-i18n-files',
+                 callback
    );
 });

-// Builds the sources
+// Mirror prepared releases of Mibew Messenger and its translations in a form
+// intended for uploading into the CDN
+gulp.task('prepare-for-upload', function(callback) {
+    gulp.src(config.releasePath + '/mibew-' + config.package.version + '.*')
+        .pipe(gulp.dest(config.uploadPath + '/core/' + config.package.version + '/'));
+
+    gulp.src(config.releasePath + '/mibew-i18n-translation-' + config.package.version + '-*.pot')
+        .pipe(gulp.dest(config.uploadPath + '/i18n/_pot/' + config.package.version + '/'));
+
+    return getChildDirs(config.i18nPath + '/translations')
+           .then(function (dirs) {
+                return Promise.all(dirs.map(function (dir) {
+                    return new Promise(function(resolve, reject) {
+                        gulp.src(config.releasePath + '/mibew-i18n-' + dir + '-' + config.package.version + '-*.*')
+                            .pipe(gulp.dest(config.uploadPath + '/i18n/' + dir + '/' + config.package.version + '/'))
+                            .on('error', reject)
+                            .on('end', resolve);
+                    });
+                }));
+           });
+});
+
+// Perform all preparations before uploading the release of Mibew Messenger and
+// its translations into the CDN
+gulp.task('prepare-all', function(callback) {
+    runSequence('clean-all', 'prepare-release', 'prepare-i18n-release',
+                'prepare-for-upload', callback);
+});
+
+// Prepare release archives of the development version of Mibew Messenger
 gulp.task('default', function(callback) {
    runSequence(
        'clean',
-        ['js', 'chat-styles', 'page-styles'],
+        ['js', 'chat-styles', 'page-styles', 'generate-tmp-po'],
        'pack-sources',
+        ['post-pack-cleanup', 'clean-tmp-po'],
        callback
    );
 });

-
 /**
 * Loads and prepare js file for a client side application with the specified
 * name.
 *
- * @param {String} name Application name
+ * @param {String} name Application name.
 * @returns A files stream that can be piped to any gulp plugin.
 */
 var getClientSideApp = function(name) {
@ -450,7 +679,7 @@ var xgettextHandlebars = function() {
            contents = file.contents.toString();

        while (match = helperRegExp.exec(contents)) {
-            // Try to find item in the .po file by its name.
+            // Try to find item in the .po file by its name
            var item = lodash.find(po.items, function(item) {
                return match[2] === item.msgid;
            });
@ -458,7 +687,7 @@ var xgettextHandlebars = function() {
            var line = contents.substr(0, match.index).split(/\r?\n|\r/g).length;

            if (!item) {
-                // There is no such item. Create new one.
+                // There is no such item, create new one
                item = new PoFile.Item();
                item.msgid = match[2].replace(/\\'/g, "'").replace(/\\"/g, '"');
                po.items.push(item);
@ -469,9 +698,46 @@ var xgettextHandlebars = function() {
        }

        // Update file contents
-        file.contents = new Buffer(po.toString());
+        file.contents = Buffer.from(po.toString());
        this.push(file);

        callback();
    });
 }
+
+/**
+ * Retrieves list of all dirs which are placed in the specified one.
+ *
+ * @param {String} srcDir A dir to search.
+ * @returns Promise A promise which will be resolved with list of child dirs or
+ *   rejected with the occured error.
+ */
+var getChildDirs = function(srcDir) {
+    return (new Promise(function(resolve, reject) {
+        fs.readdir(srcDir, function (err, files) {
+            if (err) {
+                reject(err);
+            } else {
+                resolve(files);
+            }
+        });
+    })).then(function (files) {
+        // Replace all files that are not a directory with nulls.
+        return Promise.all(files.map(function (file) {
+            return new Promise(function (resolve, reject) {
+                fs.lstat(srcDir + '/' + file, function (err, stat) {
+                    if (err) {
+                        reject(err);
+                    } else {
+                        resolve(stat.isDirectory() ? file : null);
+                    }
+                });
+            });
+        }));
+    }).then(function(dirs) {
+        // Remove all nulls from the array.
+        return dirs.filter(function (dir) {
+            return null !== dir;
+        });
+    });
+}
--- a/src/i18n
+++ b/src/i18n
@ -0,0 +1 @@
+Subproject commit 55868d9973f531c3550575481bde4233cc625b91
--- a/src/mibew/.htaccess
+++ b/src/mibew/.htaccess
@ -46,9 +46,10 @@ Options +FollowSymLinks
 </IfModule>

 <IfModule !mod_rewrite.c>
-    # There is no mod_rewrite in the system. For the root Mibew directory
-    # index_fallback.php should be loaded first to activate old-fashioned URLs.
-    # For all other directories index.php is just a directory index file.
+    # There is no mod_rewrite in the system. For the root Mibew Messenger
+    # directory index_fallback.php should be loaded first to activate
+    # old-fashioned URLs. For all other directories index.php is just a
+    # directory index file.
    DirectoryIndex index_fallback.php index.php
 </IfModule>

--- a/src/mibew/README.txt
+++ b/src/mibew/README.txt
@ -1,12 +1,12 @@
 Mibew Messenger
-Copyright 2005-2016 the original author or authors.
+Copyright 2005-2023 the original author or authors.

 REQUIREMENTS

 * Apache web server 1.3.34 or above with the ability to use local .htaccess
   files (mod_rewrite module is optional, but recommended)
 * MySQL database 5.0 or above
- * PHP 5.3.3 or above with PDO, pdo_mysql, cURL, mbstring and gd extensions
+ * PHP 7.2.5 or above with PDO, pdo_mysql, cURL, mbstring and gd extensions

 INSTALLATION

@ -41,14 +41,16 @@ On unix/linux platforms change the owner of /mibew/files/avatar and
 UPDATE

 1. Backup your actual installation (i.e. code and database).
-2. Delete all items in your Mibew Messenger directory on the server.
-3. Unpack the archive with the official distrubition in that directory.
-4. Remove install.php file.
-5. Restore configuration (configs/ directory), plugins (plugins/ directory),
+2. Disable all plugins.
+3. Delete all items in your Mibew Messenger directory on the server.
+4. Unpack the archive with the official distrubition in that directory.
+5. Remove install.php file.
+6. Restore configuration (configs/ directory), plugins (plugins/ directory),
   (maybe) custom styles (if you have any), (maybe) additional
   locales (if you use any), and avatars (files/avatar/ directory) from the
   backup you've made at the step 1.
-6. Visit http://<yourdomain>/<path to your Mibew Messenger>/update and follow
+7. Visit http://<yourdomain>/<path to your Mibew Messenger>/update and follow
   the instructions to update the database tables (if needed).
+8. Enable disabled plugins.


--- a/src/mibew/VERSION.txt
+++ b/src/mibew/VERSION.txt
@ -1 +1 @@
-Mibew/2.0
+Mibew/3.6.0
--- a/src/mibew/configs/database_schema.yml
+++ b/src/mibew/configs/database_schema.yml
@ -72,7 +72,7 @@ thread:
        useragent: "varchar(255)"
        # Total count of user's messages related with the thread.
        messagecount: "varchar(16)"
-        # ID of the group at Mibew side related with the thread.
+        # ID of the group at Mibew Messenger side related with the thread.
        groupid: "int references {opgroup}(groupid)"

 # Contains "by thread" statistics
@ -104,7 +104,7 @@ requestcallback:
    fields:
        callbackid: "int NOT NULL auto_increment PRIMARY KEY"
        token: "varchar(64) NOT NULL DEFAULT ''"
-        function: "varchar(64) NOT NULL"
+        func: "varchar(64) NOT NULL"
        arguments: "varchar(1024)"
    indexes:
        token: [token]
@ -226,7 +226,7 @@ operatorstatistics:

 revision:
    fields:
-        id: "INT NOT NULL"
+        id: "INT NOT NULL PRIMARY KEY"

 # Contains relations between operators and groups
 operatortoopgroup:
@ -314,6 +314,8 @@ plugin:
        installed: "tinyint NOT NULL DEFAULT 0"
        # Indicates if the plugin is enabled or not.
        enabled: "tinyint NOT NULL DEFAULT 0"
+        # Indicates if the plugin is initialized or not.
+        initialized: "tinyint NOT NULL DEFAULT 0"
    unique_keys:
        name: [name]

--- a/src/mibew/configs/default_config.yml
+++ b/src/mibew/configs/default_config.yml
@ -1,5 +1,5 @@
-# IMPORTANT: Before install mibew copy this file to config.yml and fill it with
-# your own settings!
+# IMPORTANT: Before install Mibew Messenger copy this file to config.yml and
+# fill it with your own settings!


 # MySQL Database parameters
@ -13,7 +13,7 @@ database:
    use_persistent_connection: false

 # Mail
-## This value will be used as sender address in all e-mails Mibew send.
+## This value will be used as sender address in all e-mails Mibew Messenger send.
 mailbox: mibew@yourdomain.com

 ## Mailer parameters
@ -77,10 +77,19 @@ default_locale: en
 # http://php.net/manual/en/timezones.php
 timezone: ""

+# List of proxy's IP Mibew Messenger should trust. You should set this option
+# if you use Mibew Messenger with a load balancer or behind a proxy.
+trusted_proxies: []
+# Here is an example of what values this option can take:
+# trusted_proxies:
+#     - 127.0.0.1
+#     - ::1
+#     - 10.0.0.0/8
+
 # Plugins
 plugins: []

-## Exapmle of plugins configuration
+## Example of plugins configuration
 # plugins:
 #     "VendorName:PluginName":
 #         weight: 100
--- a/src/mibew/configs/routing.yml
+++ b/src/mibew/configs/routing.yml
@ -49,6 +49,14 @@ chat_user:
        thread_id: \d{1,10}
        token: \d{1,10}

+chat_user_check:
+    path: /chat/{thread_id}/{token}/check
+    defaults:
+        _controller: Mibew\Controller\Chat\UserChatController::checkAction
+    requirements:
+        thread_id: \d{1,10}
+        token: \d{1,10}
+
 chat_user_invitation:
    path: /chat/invitation
    defaults:
@ -80,11 +88,25 @@ chat_user_popup_style:
    requirements:
        style: "[0-9A-Za-z_]*"

+chat_user_popup_style_force_secure:
+    path: /chat/style/popup/{style}/force_secure
+    defaults:
+        _controller: Mibew\Controller\Chat\StyleController::loadPopupStyleAction
+        style: ""
+        force_secure: on
+    requirements:
+        style: "[0-9A-Za-z_]*"
+
 chat_user_start:
    path: /chat
    defaults:
        _controller: Mibew\Controller\Chat\UserChatController::startAction

+chat_user_cookie_set_permission:
+    path: /chat/cookies-set-permission
+    defaults:
+        _controller: Mibew\Controller\Chat\UserChatController::cookieSetPermissionAction
+
 # Pages that are available for all users
 button:
    path: /b
@ -178,21 +200,24 @@ canned_message_add:
    path: /operator/canned-message/add
    defaults:
        _controller: Mibew\Controller\CannedMessageController::showEditFormAction
-        _access_check: Mibew\AccessControl\Check\LoggedInCheck
+        _access_check: Mibew\AccessControl\Check\PermissionsCheck
+        _access_permissions: [CAN_ADMINISTRATE]
    methods: [GET]

 canned_message_add_save:
    path: /operator/canned-message/add
    defaults:
        _controller: Mibew\Controller\CannedMessageController::submitEditFormAction
-        _access_check: Mibew\AccessControl\Check\LoggedInCheck
+        _access_check: Mibew\AccessControl\Check\PermissionsCheck
+        _access_permissions: [CAN_ADMINISTRATE]
    methods: [POST]

 canned_message_delete:
    path: /operator/canned-message/{message_id}/delete
    defaults:
        _controller: Mibew\Controller\CannedMessageController::deleteAction
-        _access_check: Mibew\AccessControl\Check\LoggedInCheck
+        _access_check: Mibew\AccessControl\Check\PermissionsCheck
+        _access_permissions: [CAN_ADMINISTRATE]
    requirements:
        message_id: \d{1,10}

@ -200,7 +225,8 @@ canned_message_edit:
    path: /operator/canned-message/{message_id}/edit
    defaults:
        _controller: Mibew\Controller\CannedMessageController::showEditFormAction
-        _access_check: Mibew\AccessControl\Check\LoggedInCheck
+        _access_check: Mibew\AccessControl\Check\PermissionsCheck
+        _access_permissions: [CAN_ADMINISTRATE]
    requirements:
        message_id: \d{1,10}
    methods: [GET]
@ -209,7 +235,8 @@ canned_message_edit_save:
    path: /operator/canned-message/{message_id}/edit
    defaults:
        _controller: Mibew\Controller\CannedMessageController::submitEditFormAction
-        _access_check: Mibew\AccessControl\Check\LoggedInCheck
+        _access_check: Mibew\AccessControl\Check\PermissionsCheck
+        _access_permissions: [CAN_ADMINISTRATE]
    requirements:
        message_id: \d{1,10}
    methods: [POST]
@ -218,7 +245,8 @@ canned_messages:
    path: /operator/canned-message
    defaults:
        _controller: Mibew\Controller\CannedMessageController::indexAction
-        _access_check: Mibew\AccessControl\Check\LoggedInCheck
+        _access_check: Mibew\AccessControl\Check\PermissionsCheck
+        _access_permissions: [CAN_ADMINISTRATE]

 ## Groups
 group_add:
@ -349,7 +377,7 @@ locale_disable:
        _access_check: Mibew\AccessControl\Check\PermissionsCheck
        _access_permissions: [CAN_ADMINISTRATE]
    requirements:
-        locale: "[a-z\-]{2,5}"
+        locale: "[a-z\\-]{2,5}"

 locale_edit:
    path: /operator/locale/{locale}/edit
@ -358,7 +386,7 @@ locale_edit:
        _access_check: Mibew\AccessControl\Check\PermissionsCheck
        _access_permissions: [CAN_ADMINISTRATE]
    requirements:
-        locale: "[a-z\-]{2,5}"
+        locale: "[a-z\\-]{2,5}"
    methods: [GET]

 locale_edit_save:
@ -368,7 +396,7 @@ locale_edit_save:
        _access_check: Mibew\AccessControl\Check\PermissionsCheck
        _access_permissions: [CAN_ADMINISTRATE]
    requirements:
-        locale: "[a-z\-]{2,5}"
+        locale: "[a-z\\-]{2,5}"
    methods: [POST]

 locale_enable:
@ -378,7 +406,7 @@ locale_enable:
        _access_check: Mibew\AccessControl\Check\PermissionsCheck
        _access_permissions: [CAN_ADMINISTRATE]
    requirements:
-        locale: "[a-z\-]{2,5}"
+        locale: "[a-z\\-]{2,5}"

 locales:
    path: /operator/locale
@ -670,7 +698,8 @@ statistics:
    defaults:
        type: "by-date"
        _controller: Mibew\Controller\StatisticsController::indexAction
-        _access_check: Mibew\AccessControl\Check\LoggedInCheck
+        _access_check: Mibew\AccessControl\Check\PermissionsCheck
+        _access_permissions: [CAN_VIEWSTATISTICS]
    requirements:
        type: by-date|by-operator|by-page

@ -692,7 +721,7 @@ translation_edit:
        _access_check: Mibew\AccessControl\Check\PermissionsCheck
        _access_permissions: [CAN_ADMINISTRATE]
    requirements:
-        string_id: "\d{1,10}"
+        string_id: "\\d{1,10}"
    methods: [GET]

 translation_edit_save:
@ -702,7 +731,7 @@ translation_edit_save:
        _access_check: Mibew\AccessControl\Check\PermissionsCheck
        _access_permissions: [CAN_ADMINISTRATE]
    requirements:
-        string_id: "\d{1,10}"
+        string_id: "\\d{1,10}"
    methods: [POST]

 translation_export:
--- a/src/mibew/cron.php
+++ b/src/mibew/cron.php
@ -2,7 +2,7 @@
 /*
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
@ -22,6 +22,7 @@ require_once(dirname(__FILE__) . '/libs/init.php');

 use Mibew\Cache\CacheFactory;
 use Mibew\Maintenance\CronWorker;
+use Mibew\Plugin\PluginManager;

 $configs = load_system_configs();

@ -30,6 +31,13 @@ $cache_factory = new CacheFactory($configs['cache']);
 // For now directory for cache files cannot be changed via the configs file.
 $cache_factory->setOption('path', MIBEW_FS_ROOT . '/cache/stash');

+// Run plugins
+if (get_maintenance_mode() === false) {
+    $plugin_manager = PluginManager::getInstance();
+    $plugin_manager->setCache($cache_factory->getCache());
+    $plugin_manager->loadPlugins($configs['plugins']);
+}
+
 // Do the job.
 $worker = new CronWorker($cache_factory->getCache());
 $success = $worker->run();
--- a/src/mibew/index.php
+++ b/src/mibew/index.php
@ -2,7 +2,7 @@
 /*
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
@ -24,6 +24,7 @@ use Mibew\Application;
 use Mibew\Authentication\AuthenticationManager;
 use Mibew\Cache\CacheFactory;
 use Mibew\Mail\MailerFactory;
+use Mibew\Plugin\PluginManager;
 use Mibew\Routing\Router;
 use Mibew\Routing\Loader\CacheLoader;
 use Mibew\Routing\Loader\PluginLoader;
@ -40,6 +41,13 @@ $cache_factory = new CacheFactory($configs['cache']);
 // TODO: Evaluate possibility of using custom cache directory.
 $cache_factory->setOption('path', MIBEW_FS_ROOT . '/cache/stash');

+// Run plugins
+if (get_maintenance_mode() === false) {
+    $plugin_manager = PluginManager::getInstance();
+    $plugin_manager->setCache($cache_factory->getCache());
+    $plugin_manager->loadPlugins($configs['plugins']);
+}
+
 // The main route loader which loads nothig but works as a cache proxy for other
 // loaders.
 $route_loader = new CacheLoader($cache_factory->getCache());
--- a/src/mibew/index_fallback.php
+++ b/src/mibew/index_fallback.php
@ -2,7 +2,7 @@
 /*
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
@ -20,4 +20,4 @@
 // Force the user to specify the entry point. This should be done only when
 // mod_rewrite is not used by apache.
 header('HTTP/1.0 301 Moved Permanently');
-header('Location: index.php/');
+header('Location: index.php');
--- a/src/mibew/install.php
+++ b/src/mibew/install.php
@ -2,7 +2,7 @@
 /*
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/bans.js
+++ b/src/mibew/js/source/bans.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/button_code.js
+++ b/src/mibew/js/source/button_code.js
@ -0,0 +1,26 @@
+/*!
+ * This file is a part of Mibew Messenger.
+ *
+ * Copyright 2005-2023 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+(function(Mibew, $) {
+    $(document).ready(function(){
+        $('#copy-button-code').click(function(e){
+            $("#button-code").select();
+            document.execCommand('copy');
+        });
+    });
+})(Mibew, jQuery);
--- a/src/mibew/js/source/chat/app.js
+++ b/src/mibew/js/source/chat/app.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/chat/collection_views/messages_collection.js
+++ b/src/mibew/js/source/chat/collection_views/messages_collection.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/chat/collection_views/status_collection.js
+++ b/src/mibew/js/source/chat/collection_views/status_collection.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/chat/collections/messages.js
+++ b/src/mibew/js/source/chat/collections/messages.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/chat/collections/status.js
+++ b/src/mibew/js/source/chat/collections/status.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/chat/init.js
+++ b/src/mibew/js/source/chat/init.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/chat/layouts/chat.js
+++ b/src/mibew/js/source/chat/layouts/chat.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/chat/layouts/invitation.js
+++ b/src/mibew/js/source/chat/layouts/invitation.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/chat/layouts/leave_message.js
+++ b/src/mibew/js/source/chat/layouts/leave_message.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/chat/layouts/survey.js
+++ b/src/mibew/js/source/chat/layouts/survey.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/chat/mibewapi_chat_interaction.js
+++ b/src/mibew/js/source/chat/mibewapi_chat_interaction.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/chat/model_views/avatar.js
+++ b/src/mibew/js/source/chat/model_views/avatar.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/chat/model_views/controls/close.js
+++ b/src/mibew/js/source/chat/model_views/controls/close.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
@ -49,7 +49,7 @@
             */
            closeThread: function() {
                // Show confirmation message if can
-                var confirmMessage = Mibew.Localization.trans('Are you sure want to leave chat?'),
+                var confirmMessage = Mibew.Localization.trans('Are you sure that you want to leave the chat?'),
                    context = this;
                if (confirmMessage !== false) {
                    Mibew.Utils.confirm(confirmMessage, function(value) {
--- a/src/mibew/js/source/chat/model_views/controls/history.js
+++ b/src/mibew/js/source/chat/model_views/controls/history.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
@ -45,7 +45,7 @@
            ),

            /**
-             * Dispalay history window
+             * Display history window
             */
            showHistory: function() {
                var user = Mibew.Objects.Models.user;
--- a/src/mibew/js/source/chat/model_views/controls/redirect.js
+++ b/src/mibew/js/source/chat/model_views/controls/redirect.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/chat/model_views/controls/refresh.js
+++ b/src/mibew/js/source/chat/model_views/controls/refresh.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/chat/model_views/controls/secure_mode.js
+++ b/src/mibew/js/source/chat/model_views/controls/secure_mode.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
@ -48,14 +48,18 @@
             * Move to secure chat
             */
            secure: function() {
+                if (window.location.protocol == 'https:') {
+                    return;
+                }
                var link = this.model.get('link');
                if (link) {
                    var style = Mibew.Objects.Models.page.get('style');
                    window.location.href = link.replace(/\&amp\;/g, '&')
-                        + (style ? ('&style=' + style) : '');
+                        + (style ? ((link.indexOf('?') > -1 ? '&' : '?')
+                        + 'style=' + style) : '');
                }
            }
        }
    );

-})(Mibew, Handlebars, _);
+})(Mibew, Handlebars, _);
--- a/src/mibew/js/source/chat/model_views/controls/send_mail.js
+++ b/src/mibew/js/source/chat/model_views/controls/send_mail.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
@ -44,6 +44,17 @@
                }
            ),

+            /**
+             * Override Backbone.Marionette.ItemView.serializeData to pass some
+             * extra fields to template.
+             * @returns {Object} Template data
+             */
+            serializeData: function() {
+                var data = this.model.toJSON();
+                data.user = Mibew.Objects.Models.user.toJSON();
+                return data;
+            },
+
            /**
             * Load and display send mail window
             */
--- a/src/mibew/js/source/chat/model_views/controls/sound.js
+++ b/src/mibew/js/source/chat/model_views/controls/sound.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/chat/model_views/controls/tracked_path.js
+++ b/src/mibew/js/source/chat/model_views/controls/tracked_path.js
@ -0,0 +1,68 @@
+/*!
+ * This file is a part of Mibew Messenger.
+ *
+ * Copyright 2005-2023 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+(function(Mibew, Handlebars, _) {
+    /**
+     * @class Represents Tracked path control view
+     */
+    Mibew.Views.TrackedPathControl = Mibew.Views.Control.extend(
+        /** @lends Mibew.Views.TrackedPathControl.prototype */
+        {
+            /**
+             * Template function
+             * @type Function
+             */
+            template: Handlebars.templates['chat/controls/tracked_path'],
+
+            /**
+             * Map ui events to view methods
+             * The view inherits events from
+             * {@link Mibew.Views.Control.prototype.events}.
+             * @type Object
+             */
+            events: _.extend(
+                {},
+                Mibew.Views.Control.prototype.events,
+                {
+                    'click': 'showTrackedPath'
+                }
+            ),
+
+            /**
+             * Display tracked path window
+             */
+            showTrackedPath: function() {
+                var user = Mibew.Objects.Models.user;
+                var link = this.model.get('link');
+                if (user.get('isAgent') && link) {
+                    var winParams = Mibew.Utils.buildWindowParams(this.model.get('windowParams'));
+
+                    // TODO: Kill &amp; at the server side
+                    link = link.replace('&amp;', '&', 'g');
+
+                    var newWindow = window.open(link, 'UserTrackedPath', winParams);
+                    if (newWindow !== null) {
+                        newWindow.focus();
+                        newWindow.opener=window;
+                    }
+                }
+            }
+        }
+    );
+
+})(Mibew, Handlebars, _);
--- a/src/mibew/js/source/chat/model_views/controls/user_name.js
+++ b/src/mibew/js/source/chat/model_views/controls/user_name.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/chat/model_views/leave_message/leave_message_description.js
+++ b/src/mibew/js/source/chat/model_views/leave_message/leave_message_description.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/chat/model_views/leave_message/leave_message_form.js
+++ b/src/mibew/js/source/chat/model_views/leave_message/leave_message_form.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/chat/model_views/leave_message/leave_message_sent_description.js
+++ b/src/mibew/js/source/chat/model_views/leave_message/leave_message_sent_description.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/chat/model_views/messages/message.js
+++ b/src/mibew/js/source/chat/model_views/messages/message.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/chat/model_views/messages/message_form.js
+++ b/src/mibew/js/source/chat/model_views/messages/message_form.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/chat/model_views/status/base_status.js
+++ b/src/mibew/js/source/chat/model_views/status/base_status.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/chat/model_views/status/message.js
+++ b/src/mibew/js/source/chat/model_views/status/message.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/chat/model_views/status/typing.js
+++ b/src/mibew/js/source/chat/model_views/status/typing.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/chat/model_views/survey/base_survey_form.js
+++ b/src/mibew/js/source/chat/model_views/survey/base_survey_form.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
@ -39,7 +39,7 @@
             */
            ui: {
                groupSelect: 'select[name="group"]',
-                groupDescription: '#groupDescription',
+                groupDescription: '#group-description',
                name: 'input[name="name"]',
                email: 'input[name="email"]',
                message: 'textarea[name="message"]',
--- a/src/mibew/js/source/chat/model_views/survey/survey_form.js
+++ b/src/mibew/js/source/chat/model_views/survey/survey_form.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/chat/models/avatar.js
+++ b/src/mibew/js/source/chat/models/avatar.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/chat/models/chat_user.js
+++ b/src/mibew/js/source/chat/models/chat_user.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
@ -57,7 +57,7 @@
                    * Not applicable for agents.
                    * @type Boolean
                    */
-                    dafaultName: true
+                    defaultName: true
                }
            )
        }
--- a/src/mibew/js/source/chat/models/controls/close.js
+++ b/src/mibew/js/source/chat/models/controls/close.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/chat/models/controls/history.js
+++ b/src/mibew/js/source/chat/models/controls/history.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/chat/models/controls/redirect.js
+++ b/src/mibew/js/source/chat/models/controls/redirect.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/chat/models/controls/refresh.js
+++ b/src/mibew/js/source/chat/models/controls/refresh.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/chat/models/controls/secure_mode.js
+++ b/src/mibew/js/source/chat/models/controls/secure_mode.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/chat/models/controls/send_mail.js
+++ b/src/mibew/js/source/chat/models/controls/send_mail.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/chat/models/controls/sound.js
+++ b/src/mibew/js/source/chat/models/controls/sound.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/chat/models/controls/tracked_path.js
+++ b/src/mibew/js/source/chat/models/controls/tracked_path.js
@ -0,0 +1,63 @@
+/*!
+ * This file is a part of Mibew Messenger.
+ *
+ * Copyright 2005-2023 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+(function(Mibew, _){
+
+    /**
+     * @class Tracked path control model
+     */
+    Mibew.Models.TrackedPathControl = Mibew.Models.Control.extend(
+        /** @lends Mibew.Models.TrackedPathControl.prototype */
+        {
+            /**
+             * A list of default model values.
+             *
+             * The model inherits defaults from
+             * {@link Mibew.Models.Control.prototype.defaults}.
+             * @type Object
+             */
+            defaults: _.extend(
+                {},
+                Mibew.Models.Control.prototype.defaults,
+                {
+                    /**
+                     * An URL of the tracked path page or false by default.
+                     * @type String|Boolean
+                     */
+                    link: false,
+
+                    /**
+                     * Params string for tracked path popup window
+                     * @type String
+                     */
+                    windowParams: ''
+                }
+            ),
+
+            /**
+             * Returns model type
+             * @returns {String} Model type
+             */
+            getModelType: function() {
+                return 'TrackedPathControl';
+            }
+
+        }
+    );
+
+})(Mibew, _);
--- a/src/mibew/js/source/chat/models/controls/user_name.js
+++ b/src/mibew/js/source/chat/models/controls/user_name.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/chat/models/leave_message/leave_message_form.js
+++ b/src/mibew/js/source/chat/models/leave_message/leave_message_form.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/chat/models/messages/message_form.js
+++ b/src/mibew/js/source/chat/models/messages/message_form.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/chat/models/sound_managers/base.js
+++ b/src/mibew/js/source/chat/models/sound_managers/base.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/chat/models/sound_managers/chat.js
+++ b/src/mibew/js/source/chat/models/sound_managers/chat.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/chat/models/status/base_status.js
+++ b/src/mibew/js/source/chat/models/status/base_status.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/chat/models/status/message.js
+++ b/src/mibew/js/source/chat/models/status/message.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/chat/models/status/typing.js
+++ b/src/mibew/js/source/chat/models/status/typing.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/chat/models/survey/base_survey_form.js
+++ b/src/mibew/js/source/chat/models/survey/base_survey_form.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/chat/models/survey/survey_form.js
+++ b/src/mibew/js/source/chat/models/survey/survey_form.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/chat/modules/chat.js
+++ b/src/mibew/js/source/chat/modules/chat.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
@ -101,6 +101,15 @@
                windowParams: options.windowsParams.history
            });
            ctrlsCollection.add(controls.history);
+
+            if (options.links.tracked) {
+                controls.tracked_path = new Mibew.Models.TrackedPathControl({
+                    weight: 170,
+                    link: options.links.tracked,
+                    windowParams: options.windowsParams.trackedPath
+                });
+                ctrlsCollection.add(controls.tracked_path);
+            }
        }

        // Create toggle sound button
--- a/src/mibew/js/source/chat/modules/invitation.js
+++ b/src/mibew/js/source/chat/modules/invitation.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/chat/modules/leave_message.js
+++ b/src/mibew/js/source/chat/modules/leave_message.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/chat/modules/survey.js
+++ b/src/mibew/js/source/chat/modules/survey.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/chat/regions/messages.js
+++ b/src/mibew/js/source/chat/regions/messages.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/chat/utils.js
+++ b/src/mibew/js/source/chat/utils.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/chat_popup.js
+++ b/src/mibew/js/source/chat_popup.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
@ -17,7 +17,7 @@
 */

 /**
- * @namespace Holds all Mibew functionality
+ * @namespace Holds all Mibew Messenger functionality
 */
 var Mibew = Mibew || {};

@ -57,11 +57,27 @@ var Mibew = Mibew || {};
     * omitted a session cookie will be created.
     */
    Mibew.Utils.createCookie = function(name, value, expires) {
-        var domain = /([^\.]+\.[^\.]+)$/.exec(document.location.hostname);
-        document.cookie = "" + name + "=" + value + "; "
-            + "path=/; "
-            + (domain ? ("domain=" + domain[1] + "; ") : '')
-            + (expires ?  ('expires=' + expires.toUTCString() + '; ') : '');
+        if (navigator.cookieEnabled) {
+            var domain_parts = document.location.hostname.split('.').reverse();
+            var domain = domain_parts[0];
+            var position = 0;
+            do {
+                document.cookie = "" + name + "=" + value + "; "
+                    + "path=/; "
+                    + (document.location.protocol == 'https:' ? "SameSite=None; secure; " : '')
+                    + "domain=" + (Mibew.Utils.cookiesDomain || domain) + "; "
+                    + (expires ?  ('expires=' + expires.toUTCString() + '; ') : '');
+                if (Mibew.Utils.readCookie(name) == value) {
+                    if (!Mibew.Utils.cookiesDomain) {
+                        Mibew.Utils.cookiesDomain = domain;
+                    }
+                }
+                else {
+                    position++;
+                    domain = domain_parts[position] + '.' + domain;
+                }
+            } while((position < domain_parts.length) && !Mibew.Utils.cookiesDomain);
+        }
    };

    /**
@ -203,7 +219,6 @@ var Mibew = Mibew || {};
    Mibew.ChatPopup.init = function(options) {
        var canUseIFrame = (window.postMessage && options.preferIFrame),
            Popup = canUseIFrame ? Mibew.ChatPopup.IFrame : Mibew.ChatPopup.Window;
-
        Mibew.Objects.ChatPopups[options.id] = new Popup(options);
    };

@ -260,6 +275,13 @@ var Mibew = Mibew || {};
         * @type {Boolean}
         */
        this.modSecurity = options.modSecurity || false;
+
+        /**
+         * Chat style
+         * @type {String}
+         */
+        this.styleName = options.style;
+
    };

    /**
@ -292,18 +314,48 @@ var Mibew = Mibew || {};
        // Call parent constructor.
        BasePopup.call(this, options);

+        /**
+        * Store options in case we need some of them later.
+        * @type {Object}
+        */
+        this.options = options;
+
+        /**
+         * Wrapper for popup iframe DOM Element.
+         * @type {Node}
+         */
+        this.wrapperDiv = null;
+
        /**
         * Popup iframe DOM Element.
         * @type {Node}
         */
        this.iframe = null;

+        /**
+         * Toggle iframe DOM Element.
+         * @type {Node}
+         */
+        this.toggleDiv = null;
+
        /**
         * Indicates if the popup is opened.
         * @type {Boolean}
         */
        this.isOpened = false;

+        /**
+         * Indicates if the popup is minified.
+         * @type {Boolean}
+         */
+        this.isMinified = false;
+
+        /**
+         * Indicates if cookies are blocked.
+         * @type {Boolean}
+         */
+        this.cookiesBlocked = false;
+
        // Load default styles. These styles hide the popup while real styles
        // are loading.
        this.attachDefaultStyles();
@ -315,8 +367,20 @@ var Mibew = Mibew || {};
        if (openedChatUrl) {
            // The chat was not closed so the popup should be reopened when a
            // new page is visited.
-            this.open(openedChatUrl);
+            this.safeOpen(openedChatUrl);
        }
+
+        // Check if it's possible to set cookies at all
+        var rnd = Math.random();
+        Mibew.Utils.createCookie('mibewCheckToken', rnd);
+        var checkCookiesBlock = Mibew.Utils.loadScript(options.url.split('?')[0] + '/cookies-set-permission' + '?rnd=' + rnd);
+        checkCookiesBlock.popup = this;
+        checkCookiesBlock.onload = function() {
+            this.popup.cookiesBlocked = false;
+        };
+        checkCookiesBlock.onerror = function() {
+            this.popup.cookiesBlocked = true;
+        };
    };

    // Set correct prototype chain for IFrame popup.
@ -367,25 +431,80 @@ var Mibew = Mibew || {};
            return;
        }

-        if (!this.iframe) {
-            // Create new iframe.
+        if (this.cookiesBlocked) {
+            // Last resort. Replace this iframe-based popup with window-based popup
+            // and try to open a chat in a separate window.
+            Mibew.Objects.ChatPopups[this.id] = new Mibew.ChatPopup.Window(this.options);
+            Mibew.Objects.ChatPopups[this.id].open(url);
+            return;
+        }
+
+        if (!this.wrapperDiv) {
+            // Create new iframe and its wrapper.
            // There is a bug in IE <= 7 that make "name" attribute unchangeble
            // for elements that already exist. Thus a temporary div is used
            // here as a workaround.
-            var tmpDiv = document.createElement('div');
-            tmpDiv.innerHTML = '<iframe name="mibewChat' + this.id + '"></iframe>';
+            this.wrapperDiv = document.createElement('div');
+            this.wrapperDiv.className = 'mibew-chat-wrapper';
+            this.wrapperDiv.setAttribute('id', 'mibew-chat-wrapper-' + this.id);
+            this.wrapperDiv.style.display = 'none';
+            this.wrapperDiv.innerHTML = '<iframe name="mibewChat' + this.id + '"></iframe>';

-            this.iframe = tmpDiv.getElementsByTagName('iframe')[0];
+            this.iframe = this.wrapperDiv.getElementsByTagName('iframe')[0];
            this.iframe.setAttribute('id', 'mibew-chat-frame-' + this.id);
            this.iframe.className = 'mibew-chat-frame';
            this.iframe.setAttribute('frameBorder', 0);
-            this.iframe.style.display = 'none';
-            document.getElementsByTagName('body')[0].appendChild(this.iframe);
+
+            document.getElementsByTagName('body')[0].appendChild(this.wrapperDiv);
+
+            // Setup toggle element. As it's not a part of the iframe, it should be
+            // treated separately.
+            this.toggleDiv = document.createElement('div');
+            this.toggleDiv.setAttribute('id', 'mibew-chat-frame-toggle-' + this.id);
+            this.toggleDiv.className = 'mibew-chat-frame-toggle mibew-chat-frame-toggle-on';
+            Mibew.Utils.addEventListener(this.toggleDiv, 'click', function(event) {
+                var popups = Mibew.Objects.ChatPopups,
+                    matches = /^mibew-chat-frame-toggle-([0-9A-Za-z]+)$/.exec(this.id);
+
+                if (matches && popups[matches[1]]) {
+                    popups[matches[1]].toggle();
+                }
+            });
+            document.getElementsByTagName('body')[0].appendChild(this.toggleDiv);
        }

-        this.iframe.style.display = 'block';
+        this.wrapperDiv.style.display = 'block';
+        this.toggleDiv.style.display = 'block';
        this.iframe.src = url || this.buildChatUrl();
        this.isOpened = true;
+
+// Store style name in case we need it during iframe reopening
+        Mibew.Utils.createCookie('mibew-chat-frame-style-' + this.id, this.styleName);
+
+// Check minification status of the popup and toggle it if needed.
+        var minifiedPopup = Mibew.Utils.readCookie('mibew-chat-frame-minified-' + this.id);
+        if (minifiedPopup === 'true') {
+            this.toggle();
+        }
+    };
+
+    /**
+     * Check chat URL via special request, open the chat if check passes,
+     * close the popup if the check fails.
+     *
+     * @param {String} [url] The URL to open in the popup
+     */
+    Mibew.ChatPopup.IFrame.prototype.safeOpen = function(url) {
+        var check = Mibew.Utils.loadScript(url + '/check', 'mibew-check-iframe-' + this.id);
+        check.popup = this;
+        check.url = url;
+        var style = Mibew.Utils.readCookie('mibew-chat-frame-style-' + this.id);
+        check.onload = function() {
+            this.popup.open(this.url + (style ? '?style=' + style : ''));
+        };
+        check.onerror = function() {
+            this.popup.close();
+        };
    };

    /**
@ -397,10 +516,23 @@ var Mibew = Mibew || {};
            return;
        }

-        this.iframe.style.display = 'none';
+        this.wrapperDiv.style.display = 'none';
        this.iframe.src = '';
        this.isOpened = false;
+        this.toggleDiv.style.display = 'none';
        Mibew.Utils.deleteCookie('mibew-chat-frame-' + this.id);
+        Mibew.Utils.deleteCookie('mibew-chat-frame-minified-' + this.id);
+    };
+
+    /**
+     * Toggles the popup.
+     */
+    Mibew.ChatPopup.IFrame.prototype.toggle = function() {
+        this.wrapperDiv.style.display = this.isMinified ? "block" : "none";
+        this.isMinified = !this.isMinified;
+        this.toggleDiv.className = 'mibew-chat-frame-toggle mibew-chat-frame-toggle-'
+            + (this.isMinified ? 'off' : 'on');
+        Mibew.Utils.createCookie('mibew-chat-frame-minified-' + this.id, this.isMinified);
    };

    /**
@ -426,6 +558,10 @@ var Mibew = Mibew || {};
     * value is omitted, the chat initialization URL will be loaded.
     */
    Mibew.ChatPopup.Window.prototype.open = function(url) {
+        // Windows is already opened, nothing to do.
+        if (this.window != null && !this.window.closed) {
+            return;
+        }
        this.window = window.open(
            url || this.buildChatUrl(),
            'mibewChat' + this.id,
@ -474,7 +610,6 @@ var Mibew = Mibew || {};
    // which is opened in iframe popup.
    Mibew.Utils.addEventListener(window, 'message', function(event) {
        var matches = /^mibew-chat-started\:mibewChat([0-9A-Za-z]+)\:(.*)$/.exec(event.data);
-
        if (matches) {
            Mibew.Utils.createCookie('mibew-chat-frame-' + matches[1], matches[2]);
        }
--- a/src/mibew/js/source/default/collection_views/base_collection.js
+++ b/src/mibew/js/source/default/collection_views/base_collection.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/default/collection_views/controls_collection.js
+++ b/src/mibew/js/source/default/collection_views/controls_collection.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/default/collections/controls.js
+++ b/src/mibew/js/source/default/collections/controls.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/default/handlebars_helpers.js
+++ b/src/mibew/js/source/default/handlebars_helpers.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
@ -41,7 +41,7 @@
    /**
     * Register 'urlReplace' Handlebars helper.
     *
-     * This helper serch URLs and replace them by 'a' tag
+     * This helper seeks URLs and replaces them by 'a' tag
     */
    Handlebars.registerHelper('urlReplace', function(text) {
        return new Handlebars.SafeString(
--- a/src/mibew/js/source/default/init.js
+++ b/src/mibew/js/source/default/init.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/default/localization.js
+++ b/src/mibew/js/source/default/localization.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/default/model_views/control.js
+++ b/src/mibew/js/source/default/model_views/control.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/default/model_views/message.js
+++ b/src/mibew/js/source/default/model_views/message.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/default/models/base.js
+++ b/src/mibew/js/source/default/models/base.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/default/models/control.js
+++ b/src/mibew/js/source/default/models/control.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/default/models/message.js
+++ b/src/mibew/js/source/default/models/message.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/default/models/page.js
+++ b/src/mibew/js/source/default/models/page.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/default/models/thread.js
+++ b/src/mibew/js/source/default/models/thread.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/default/models/user.js
+++ b/src/mibew/js/source/default/models/user.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/default/server.js
+++ b/src/mibew/js/source/default/server.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
@ -41,6 +41,8 @@
            // Pause before restarting updater using Server.restartUpdater
            // function (in seconds)
            reconnectPause: 1,
+            // Call on successful response
+            onReceiveResponse: function() {},
            // Call on request timeout
            onTimeout: function() {},
            // Call when transport error was caught
@ -371,6 +373,8 @@
     * @private
     */
    Mibew.Server.prototype.receiveResponse = function(data, textStatus, jqXHR) {
+        // Call hook on successful request
+        this.options.onReceiveResponse();
        // Do not parse empty responses
        if (data == '') {
            this.updateAfter(this.options.requestsFrequency);
--- a/src/mibew/js/source/default/utils.js
+++ b/src/mibew/js/source/default/utils.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
@ -102,7 +102,7 @@
    };

    /**
-     * Play .wav or .mp3 sound file
+     * Play .wav, or .mp3, or .ogg sound file
     * @param {String} file File path (without extension)
     */
    Mibew.Utils.playSound = function (file) {
@ -114,6 +114,7 @@
            var audioTag = $("<audio>", {autoplay: true, style: "display: none"}).append(
            '<source src="' + file + '.wav" type="audio/x-wav" />' +
            '<source src="' + file + '.mp3" type="audio/mpeg" codecs="mp3" />' +
+            '<source src="' + file + '.ogg" type="audio/ogg" codecs="vorbis" />' +
            '<embed src="' + file + '.wav" type="audio/x-wav" hidden="true" autostart="true" loop="false" />'
            );
            $('body').append(audioTag);
@ -172,6 +173,21 @@
        return (vex.getAllVexes().length > 0);
    };

+    /**
+     * Sanitize message used in Vex dialog
+     * @type {Function}
+     * @param {String} message A message to sanitize.
+     * @returns {String}
+     */
+
+    var sanitizeMessage = function(message) {
+        return message.replace(/&/g, "&amp;")
+                      .replace(/</g, "&lt;")
+                      .replace(/>/g, "&gt;")
+                      .replace(/"/g, "&quot;")
+                      .replace(/'/g, "&#039;");
+    };
+
    /**
     * Alerts a message.
     * @param {String} message A message that should be displayed.
@ -182,7 +198,7 @@
            // Do not open alert if one already opened.
            return;
        }
-        vex.dialog.alert({message: message});
+        return vex.dialog.alert({message: sanitizeMessage(message)});
    };

    /**
@ -195,7 +211,7 @@
    Mibew.Utils.confirm = function(message, callback) {
        setVexDefaults();
        vex.dialog.confirm({
-            message: message,
+            message: sanitizeMessage(message),
            callback: callback
        });
    };
@ -210,9 +226,17 @@
    Mibew.Utils.prompt = function(message, callback) {
        setVexDefaults();
        vex.dialog.prompt({
-            message: message,
+            message: sanitizeMessage(message),
            callback: callback
        });
    };

+    /**
+     * Close alert.
+     * @param {Object} alert instance.
+     */
+    Mibew.Utils.closeAlert = function(alertInstance) {
+        var res = vex.close(alertInstance.id);
+    };
+
 })(Mibew, jQuery, _, vex, validator);
--- a/src/mibew/js/source/features.js
+++ b/src/mibew/js/source/features.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
@ -17,6 +17,14 @@
 */

 (function($) {
+    function updateSendEmail() {
+        if ($("#user-can-send-email").is(":checked")) {
+            $(".under-user-can-send-email").show();
+        } else {
+            $(".under-user-can-send-email").hide();
+        }
+    }
+
    function updateSurvey() {
        if ($("#enable-presurvey").is(":checked")) {
            $(".under-survey").show();
@ -49,7 +57,18 @@
        }
    }

+    function updatePrivacyPolicy() {
+        if ($("#enable-privacy-policy").is(":checked")) {
+            $(".under-privacy-policy").show();
+        } else {
+            $(".under-privacy-policy").hide();
+        }
+    }
+
    $(function() {
+        $("#user-can-send-email").change(function() {
+            updateSendEmail();
+        });
        $("#enable-presurvey").change(function() {
            updateSurvey();
        });
@ -62,9 +81,14 @@
        $("#enable-tracking").change(function() {
            updateTracking();
        });
+        $("#enable-privacy-policy").change(function() {
+            updatePrivacyPolicy();
+        });
+        updateSendEmail();
        updateSurvey();
        updateSSL();
        updateGroups();
        updateTracking();
+        updatePrivacyPolicy();
    });
 })(jQuery);
--- a/src/mibew/js/source/group.js
+++ b/src/mibew/js/source/group.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/groups.js
+++ b/src/mibew/js/source/groups.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
--- a/src/mibew/js/source/mibewapi.js
+++ b/src/mibew/js/source/mibewapi.js
@ -1,7 +1,7 @@
 /*!
 * This file is a part of Mibew Messenger.
 *
- * Copyright 2005-2016 the original author or authors.
+ * Copyright 2005-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
@ -26,7 +26,7 @@
 function MibewAPI(interaction) {

    /**
-     * Version of the MIBEW API protocol implemented by the object
+     * Version of the Mibew API protocol implemented by the object
     */
    this.protocolVersion = "1.0";

@ -91,7 +91,7 @@ MibewAPI.prototype.checkFunction = function(functionObject, filterReservedFuncti
            // Work with own properties only.
            continue;
        }
-        for (var i = 0; i < mandatoryArgumentsList.length; i++) {
+        for (i = 0; i < mandatoryArgumentsList.length; i++) {
            if (argName == mandatoryArgumentsList[i]) {
                mandatoryArgumentsCount++;
                continue argumentsLoop;
@ -358,7 +358,7 @@ MibewAPIInteraction.prototype.getMandatoryArguments = function(functionName) {
    }
    // Add mandatory arguments for given function
    if (typeof allMandatoryArguments[functionName] == 'object') {
-        for (var arg in allMandatoryArguments[functionName]) {
+        for (arg in allMandatoryArguments[functionName]) {
            if (! allMandatoryArguments[functionName].hasOwnProperty(arg)) {
                continue;
            }
@ -389,7 +389,7 @@ MibewAPIInteraction.prototype.getMandatoryArgumentsDefaults = function(functionN
    }
    // Add mandatory arguments for given function
    if (typeof allMandatoryArguments[functionName] == 'object') {
-        for (var arg in allMandatoryArguments[functionName]) {
+        for (arg in allMandatoryArguments[functionName]) {
            if (! allMandatoryArguments[functionName].hasOwnProperty(arg)) {
                continue;
            }
--- a/Show More
+++ b/Show More
				`@ -0,0 +1 @@`
				`Subproject commit 55868d9973f531c3550575481bde4233cc625b91`