From 59cd40235bf4746a119421609b25d7e9b7f65f83 Mon Sep 17 00:00:00 2001
From: Geo Halkiadakis <gchalkiadakis@sklavenitis.co.gr>
Date: Mon, 15 May 2023 18:15:37 +0300
Subject: refactoring framework defaults

---
 public/app/config/setup-framework.php | 469 ++++++++++++++++++++++++++++++++++
 1 file changed, 469 insertions(+)
 create mode 100644 public/app/config/setup-framework.php

(limited to 'public/app/config/setup-framework.php')

diff --git a/public/app/config/setup-framework.php b/public/app/config/setup-framework.php
new file mode 100644
index 0000000..63eb486
--- /dev/null
+++ b/public/app/config/setup-framework.php
@@ -0,0 +1,469 @@
+<?php
+/** CONFIGURATION PARAMETRES
+ * -----------------------------------------------------------------------------
+ * 
+ * Here you can find all the setup paramaters that define
+ * key-decisions of your application;
+ * 
+ * ex. Session driver, Cache driver, Cookies Policy etc;
+ * 
+ * Other supplamentary constants according to your application's logic
+ * shall be defined at the end of this file, or in some extra file(s),
+ * ex: ~/public/app/config/setup-application.php
+ * 
+ * 
+ * NOTE:
+ * You may rewrite the defines setting any values manualy;
+ * SETTING anom CONSTANTS VIA an `.env` FILE IS HIGHLY RECOMMENDED;
+ * The default `.env` file is saved into project's root
+ *  
+ * -----------------------------------------------------------------------------
+ */
+
+
+/** Preload environmental file
+ * -----------------------------------------------------------------------------
+ * 
+ * Setting up main constants via en envoronment file is HIGHLY RECOMMENDED;
+ * read ini file if exist
+ * 
+ * -----------------------------------------------------------------------------
+ */
+if (file_exists(APP_ROOT ."/.env")) {
+  $env = parse_ini_file(APP_ROOT. "/.env");
+}
+
+
+
+
+## -----------------------------------------------------------------------------
+##
+##       - - - -- -- ---  M A I N  C O N S T A N T S  --- -- -- - - -
+##  Main constants (names, labels, security options, optimzation defaults etc)
+##
+## -----------------------------------------------------------------------------
+
+
+
+/** ENVIRONMENT constant
+ * -----------------------------------------------------------------------------
+ * 
+ * define application's environment stage; [PRODUCTION|staging|develpment|testing|*]
+ * seting this constant to 'PRODUCTION' eliminates debuggin comments;
+ * 
+ * DO NOT FORGET to change this setting when deploying to a different stage
+ * 
+ * -----------------------------------------------------------------------------
+ */
+
+define('PRODUCTION', ($env['ENVIRONMENT'] == 'PRODUCTION') );
+
+
+
+
+/** APPLICATION NAMES AND URL DEFAULTS
+ * -----------------------------------------------------------------------------
+ * 
+ * NOTE:
+ * if the `.env` file exists ... do not touch anything
+ * else ... replace $env[*] values with your setup/defaults
+ * 
+ * -----------------------------------------------------------------------------
+ */
+
+    // Application Name (how developer refers to it)
+define('APP_NAME', $env['APP_NAME'] ?? 'anom.App');
+
+    // Site Title (the end-users' title)
+define('SITE_TITLE', 'schoolGov');      
+
+    // Application version (major_version + subversion_class) keep it simple
+define('APP_VERSION', $env['APP_VERSION']);     // ex: '1.alfa' -or- '2.rc' etc.
+
+    // root url of the web app
+define('SITE_URL', $env['ANOM_HOSTNAME']);      
+
+
+
+
+/** APPLICATION PATHS
+ * -----------------------------------------------------------------------------
+ * 
+ * Obligarory:
+ * These are needed in order to run the bare minimum MVC system
+ * They also make code easier to read
+ * 
+ * NOTE:
+ * most likely you do not need to change any of these subsection defines;
+ * 
+ * -----------------------------------------------------------------------------
+ */
+
+define('URL_ROOT', '/');
+
+define('INIT_APPLICATION', APP_ROOT.'/core/config/init.php');
+ 
+define('VIEWS_DIRECTORY', $env['VIEWS_DIRECTORY'] ?? (WEB_ROOT.'/app/views/'));
+ 
+define('TESTS_DIRECTORY', $env['TESTS_DIRECTORY'] ?? (APP_ROOT."/tests/"));
+
+
+
+
+/** AUTOLOADER /////////////////////////////////////////////////////////////////
+ * -----------------------------------------------------------------------------
+ * 
+ * An autoloader for classes is required;
+ * 
+ * 
+ ** OPTION 1: COMPOSER
+ * -----------------------------------------------------------------------------
+ * Composer is recommended and makes much more than simple autoloding
+ * -----------------------------------------------------------------------------
+ */
+
+define('AUTOLOADER' , APP_ROOT.'/vendor/autoload.php');
+
+/** OPTION 2: Custom Autoloader
+ * -----------------------------------------------------------------------------
+ * If Composer is not supported, another autoloading proccess required
+ * Comment/Disable the 1st option and uncomment/Enable the next line
+ * -----------------------------------------------------------------------------
+ * 
+ * NOTE: if the custom autoloadet is used
+ * then you need to defing CLASSPATHS constant-array too;
+ */
+
+# define('AUTOLOADER' , '../core/helpers/autoload.php');
+ 
+/** Autoload paths 
+ * -----------------------------------------------------------------------------
+ * 
+ * CLASSPATHS : array of paths where classes are saved
+ * 
+ * NOTE:
+ * if the custom autoloader is used (instead of composer's)
+ * then you need to defing CLASSPATHS constant-array too;
+ * 
+ * In most cases you won't need this,
+ * so comment the next lines out of the code-base
+ * 
+ * -----------------------------------------------------------------------------
+ */
+# define('CLASSPATHS', array(
+#     APP_ROOT .'/core/classes/',       // core classes
+#     WEB_ROOT .'/app/controllers/',    // controller classes
+#     WEB_ROOT .'/app/models/',         // model classes
+#     WEB_ROOT .'/app/extends/',        // extending core classes
+#     APP_ROOT .'/vendor/'              // vendor/dependency classes
+#   )
+# );
+
+
+
+
+/** SESSION HANDLING
+ * -----------------------------------------------------------------------------
+ * 
+ * there are several session drivers for session handling:
+ *    
+ * 'DefaultSession'  : uses the default (file-based) php session management
+ * 'FileSession'     : defines a custom file-based session mechanism
+ * 'DatabaseSession' : mechanism that stores Session data into a DataBase
+ * -----------------------------------------------------------------------------
+ */
+
+define('SESSION_DRIVER', $env['SESSION_DRIVER'] ?? 'DefaultSession');
+
+
+
+/** FileSession Path
+ * --- -- -- - - -
+ * if FileSession is selected, a path for session-files is needed
+ * 
+ * TODO:
+ * also, the hybrid sessioning (in progress) will need this setting
+ * 
+ * NOTE:
+ * DefaultSession is also file-based but to not need a file-path setting
+ * (php will handle any file-needed actions to the file-system)
+ */
+
+# define('FILESESSION_PATH', '../storage/session');
+
+
+
+/** COOKIE SETTINGS
+ * -----------------------------------------------------------------------------
+ * 
+ * Define cookie policy (cookie sharing and securing)
+ * 
+ * recomended values for production environment:
+ * COOKIE_SECURE=true
+ * COOKIE_SAMESITE='Strict'
+ * 
+ * NOTE:
+ * on development environment COOKIE_SECURE has to be false
+ * in order for the test server to use them from http://locahost
+ * 
+ * for more info about cookie policy read:
+ * https://www.php.net/manual/en/function.session-set-cookie-params.php
+ * 
+ * -----------------------------------------------------------------------------
+ */
+
+define('COOKIE_SECURE', PRODUCTION);    // Secure cookie policy [true|false]
+
+define('COOKIE_SAMESITE', $env['COOKIE_SAMESITE'] ?? 'Strict');    // SameSite cookie policy [Strict|Lax|None]
+     
+# define('COOKIE_DOMAIN', $env['ANOM_HOSTNAME']);   // domain to be visible on
+
+
+
+
+/** Session and cookie names
+ * -----------------------------------------------------------------------------
+ */
+define('SESSION_NAME', 'offticket');    // cookie for session (office ticket)
+define('CONNECTION_COOKIE', 'con');     // cookie for connection
+define('MAX_SESSION_LIFE', 2*60*60);    // maximum session lifetime (2 hours)
+
+
+
+/** SECURITY SETTINGS ///////////////////////////////////////////////////////////
+ * -----------------------------------------------------------------------------
+ * 
+ * Cross Site Request Forgery
+ * ---
+ * Enables a CSRF cookie token to be set. When set to TRUE, token will be
+ * checked on a submitted form. If you are accepting user data, it is strongly
+ * recommended CSRF protection be enabled.
+ * -----------------------------------------------------------------------------
+ */
+
+define('CSRF_PROTECTION', false);
+
+define('CSRF_TOKEN_NAME', 'csrf_test_name');        // token name
+
+define('CSRF_COOKIE_NAME', 'csrf_cookie_name');     // cookie name
+
+define('CSRF_EXPIRE', 7200);            // The number in seconds the token should expire.
+
+define('CSRF_REGENERATE', TRUE);        // Regenerate token on every submission
+
+define('CSRF_EXCLUDE_URIS', array());   // Array of URIs which ignore CSRF checks
+
+
+
+
+/* ADVANCED OPTIMIZATION ///////////////////////////////////////////////////////
+ * -----------------------------------------------------------------------------
+ *
+ * APP_CACHE defines the cache-driver;
+ * accepted values are the name of the Cache-interface impementations (the exact
+ * names of the classes)
+ *
+ * 'FileCache'  : caching in filesystem; fair if caching on HDD; great on SSD
+ * 'RedisCache' : caching in Redis server; generally recommended if available
+ * 'MemCachedCache' : caching in Memcached server; recommended if available
+ *
+ * NOTE: FileCache on a NVMe SDD is the fastest option;
+ * Redis and Memcached are really-fast caching options and are available for
+ * scaling horizontaly your application (eache one has it's own strngths;
+ * study, then choose the one that fulfills your needs;
+ * -----------------------------------------------------------------------------
+ */
+  
+define('CACHE_DRIVER', $env['CACHE_DRIVER'] ?? 'FileCache');
+
+
+ 
+
+
+## -----------------------------------------------------------------------------
+##
+## - - - -- -- ---  C O N N E C T I O N   C R E D E N T I A L S  --- -- -- - - -
+##
+## -----------------------------------------------------------------------------
+
+
+
+/** SERVICE PARAMETRES
+ * -----------------------------------------------------------------------------
+ * 
+ * Connection parametres and credentials for accssing services 
+ * needed by the application; Such services may be..
+ * 
+ * - RDBMS
+ *   -- MySQL
+ *   -- PotgresSQL
+ * 
+ * - Caching services
+ *   -- Redis
+ *   -- MemCached
+ * 
+ * Edit only the constants needed by the application;
+ * Comment those you do not need;
+ * 
+ * /////////////////////////////////////////////////////////////////////////////
+ */
+
+/** DATABASE CONNECTION PARAMETRES
+ * -----------------------------------------------------------------------------
+ * Production and staging environments may use different databases.
+ * 
+ * A safe practice is to keep credentials outside plain files like this one
+ * in environmental variable or other secret file etc.
+ * 
+ * Uncomment/enable each group of definitions suits your case to define
+ * the credentials needed for accessing the database
+ */
+
+define('DB_NAME', $env['DB_NAME']);
+ 
+define('DB_USER', $env['DB_USER']);
+  
+define('DB_PASS', $env['DB_PASS']);
+  
+/** NOTE:
+ * PDO_HOST can be a hostname/port combination -or- a unix socket
+ * 
+ * ...examples:
+ * define('PDO_HOST', 'host=/localhost')    ## hostname case
+ * define('PDO_HOST', 'host=/localhost;port=3456')    ## hostname/port case
+ * define('PDO_HOST', 'unix_socket=/sql/ex123:europe:some-db');   ## unix socket
+ * define('PDO_HOST', 'unix_socket=/cloudsql/name-123456:europe-west4:name-db-eu');
+ */
+ 
+define('PDO_HOST', $env['PDO_HOST']);
+  
+define('DB_TIMEZONE', "SET time_zone = 'Europe/Athens'");
+ 
+ 
+ 
+ 
+/** CACHED SERVICES
+ * -----------------------------------------------------------------------------
+ * 
+ * impemented services:
+ * - File Cache
+ * - Redis
+ * - Memcached
+ * 
+ * NOTE:
+ * Both Redis and Memcached configurations are given as a template to work on;
+ * In most cases the default values should do the job -- of course you need to
+ * read the README file (check the project's root);
+ * As these caching services are not fully tested you may need to ochestrate
+ * the services in detail or edit the connection strings into the core classes
+ * (hosted under the '/core/classes/cacher' folder)
+ * 
+ * -----------------------------------------------------------------------------
+ */
+
+define('FILECACHE_PATH', APP_ROOT.'/storage/cache/');     // if CACHE_DRIVER is set to 'FileCache'
+
+define('MEDIA_STORAGE_ROOT', APP_ROOT.'/storage/uploads/');    // Media files root directory
+ 
+
+// CONNECTIONS (if Redis or Memcached is selected) ...
+ 
+
+# define('REDIS_HOST', '127.0.0.1');              // if CACHE_DRIVER is set to 'RedisCache'
+ 
+# define('MEMCAHCED_SERVER', '127.0.0.1');        // if CACHE_DRIVER is set to 'MemCached'
+ 
+ 
+ # define('MEMCAHCED_SERVER', '127.0.0.1');        // if CACHE_DRIVER is set to 'MemCached'
+ 
+/** REDIS SERVICE
+ * -----------------------------------------------------------------------------
+ * Most of the times Redis is running on 'localhost' (host = '127.0.0.1')
+ * When implemented via anom's docker-composer (redis via bridge) then you need
+ * do declare the hostname as 'redis'
+ */
+
+# define('REDIS_HOST', '127.0.0.1');    // if CACHE_DRIVER is set to 'RedisCache'
+# if (!defined('REDIS_HOST'))           define('REDIS_HOST', 'redis');
+# 
+# if (!defined('REDIS_PORT'))           define('REDIS_PORT', 6379);
+# 
+# if (!defined('REDIS_PASS'))           define('REDIS_PASS', null);
+ 
+ 
+/** MEMCACHED
+ * -----------------------------------------------------------------------------
+ * Memcached looks very much like Redis (plus, both are serving from RAM)
+ * Usualy Memcashed is running localy so host is 'localhost' ('127.0.0.1')
+ * If you use the framework's docker-composer implementation then
+ * the hostname is 'anomemcached'
+ */
+
+# if (!defined('MEMCACHE_HOST'))  define('MEMCACHE_HOST', 'anomemcached');
+ 
+
+
+
+
+
+
+
+/** General Scope Constants
+ * -----------------------------------------------------------------------------
+ * 
+ * needed by the framework for common tasks
+ * 
+ * Anom suggests:
+ * + Common Content Types, and
+ * + Proxy flags 
+ * 
+ * -----------------------------------------------------------------------------
+ */
+
+/** COMMON CONTENT TYPES
+ * -----------------------------------------------------------------------------
+ */
+define('COMMON_CONTENT_TYPES', array(
+        // text,css
+    'text/html; charset=UTF-8', 'text/css',
+        // json
+    'application/json; charset=utf-8',
+        // javascript
+    'application/javascript; charset=utf-8',
+        // images    
+    'image/png', 'image/jpeg', 'image/web',
+        // pdf
+    'application/pdf',
+        // word
+    'application/msword', 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
+        // excel
+    'application/vnd.ms-excel', 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
+        // rar
+    'application/vnd.rar', 'application/x-rar-compressed', 'application/octet-stream',
+        // zip
+    'application/zip', 'application/x-zip-compressed', 'multipart/x-zip', 'application/octet-stream',
+  )
+);
+
+
+/** PROXY_FLAGS
+ * -----------------------------------------------------------------------------
+ * These options represend altered/non-default behaviour
+ * and will be resolved bitwise, so use powers of 2
+ * -----------------------------------------------------------------------------
+ */
+define('PROXY_CACHE_ERRORS', 1);  // cache result even if error
+define('PROXY_IGNORE_CACHE', 2);  // ignore cache if exist
+define('PROXY_DO_NOT_CACHE', 4);  // do not cache result
+
+
+
+/** need even more constants?
+ * -----------------------------------------------------------------------------
+ * 
+ * Append them here,
+ * or require an extra `constants definition` file
+ * 
+ * -----------------------------------------------------------------------------
+ */
+require_once WEB_ROOT.'/app/config/setup-application.php';
\ No newline at end of file
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