<?php

/**

* Bludit migration script for v2.3.4 to v3.0

* Tested on PHP7+

*/

// Set PHP max execution time to infinite, since script might take a lot of time depending on no. of posts/pages.

ini_set('max_execution_time', 0);

/**

* Config

*/

define('FILENAME', 'index.txt'); // Set the filename used by your Bludit installation

define('DS', DIRECTORY_SEPARATOR);

define('CHARSET', 'UTF-8');

$migrationDirectoryName = 'migrations';

$contentDirectoryName = 'bl-content';

$migratedContentPath = $migrationDirectoryName . DS . $contentDirectoryName;

function msg($string)

{

// Determine if CLI and set end of line according to the way script is called.

// This is for logging output.

$breakLine = (php_sapi_name() == 'cli' && empty($_SERVER['REMOTE_ADDR'])) ? PHP_EOL : '<br>';

echo $string . $breakLine;

}

// Core plugins/databases only.

// Not available in v3: discovery

// Available only in v3: robots, simple-stats, updater

$pluginsWhiteList = [

'about',

'api',

'backup',

'categories',

'disqus',

'html-code',

'links',

'maintenance-mode',

'navigation',

'opengraph',

'rss',

'simplemde',

'sitemap',

'static-pages',

'tags',

'tinymce',

'twitter-cards',

'version'

];

$databasesWhiteList = [

'categories.php',

'pages.php',

'security.php',

'site.php',

'tags.php',

'users.php',

'syslog.php'

];

/**

* Helper Functions

* 1. Recursive Copy. Thanks http://php.net/manual/en/function.copy.php

* 2. Recusive Delete recurse_delete() rm -rf. Thanks https://stackoverflow.com/questions/3338123/how-do-i-recursively-delete-a-directory-and-its-entire-contents-files-sub-dir

* 3. dd() Pretty print_r

* 4. stripFirstLine() : Removes mandatory BLUDIT string

* 5. insert() : Inserts mandatory BLUDIT string + encoded Json back to database

*/

function recurse_copy($src, $dst)

{

$dir = opendir($src);

@mkdir($dst);

while (false !== ( $file = readdir($dir))) {

if (( $file != '.' ) && ( $file != '..' )) {

if (is_dir($src . '/' . $file)) {

recurse_copy($src . '/' . $file, $dst . '/' . $file);

} else {

copy($src . '/' . $file, $dst . '/' . $file);

}

}

}

closedir($dir);

}

// Recursive delete

function recurse_delete($dir)

{

if (is_dir($dir)) {

$objects = scandir($dir);

foreach ($objects as $object) {

if ($object != "." && $object != "..") {

if (is_dir($dir."/".$object)) {

recurse_delete($dir."/".$object);

} else {

unlink($dir."/".$object);

}

}

}

rmdir($dir);

}

}

/* Dump and die */

function dd($variable, $die = false)

{

echo "<pre>";

($die) ? die(print_r($variable)) : print_r($variable);

echo "</pre>";

}

// Remove first line function. Helper function to remove string "<?php defined('BLUDIT')" from db

// Thanks ComFreek http://stackoverflow.com/questions/7740405/php-delete-the-first-line-of-a-text-and-return-the-rest

function stripFirstLine($text)

{

return substr($text, strpos($text, "\n")+1);

}

// Insert to database

function insert($filePath, $data)

{

$compulsoryBluditLine = "<?php defined('BLUDIT') or die('Bludit CMS.'); ?>".PHP_EOL;

$content = $compulsoryBluditLine . json_encode($data, JSON_PRETTY_PRINT);

file_put_contents($filePath, $content);

}

// Title

msg('================================');

msg('Bludit Migration from v2.3.4 to v3');

msg('================================');

/**

* First we check if script was copied to the right directory.

*/

if (!file_exists($contentDirectoryName)) {

die("Failed: Script was copied to the wrong directory. Make sure it is copied where $contentDirectoryName exists.");

}

/**

* Create migrations directory (Delete if it already exists)

*/

if (file_exists($migrationDirectoryName)) {

/**

* Empty the folder recursively

* Thanks https://stackoverflow.com/questions/4594180/deleting-all-files-from-a-folder-using-php

*/

recurse_delete($migrationDirectoryName);

}

if (!mkdir('migrations', 0755)) {

die('Failed to create directory. No write permission available.');

} else {

msg("Created Migration Directory...");

}

/**

* Copy everything from bl-content to migrations/

*/

recurse_copy($contentDirectoryName, $migratedContentPath);

$allPages = array_diff(scandir($migratedContentPath . '/pages'), array('.', '..'));

// Delete plugins/databases not present in white list

$allDatabases = array_diff(scandir($migratedContentPath . '/databases'), array('.', '..', 'plugins')); // Ignore plugins directory

$allPlugins = array_diff(scandir($migratedContentPath . '/databases/plugins'), array('.', '..'));

// dd($allDatabases);

// dd($allPlugins);

/* Delete non bludit core plugin/database configs */

foreach ($allDatabases as $database) {

if (! in_array($database, $databasesWhiteList)) {

if (is_dir($migratedContentPath . '/databases/' . $database)) {

recurse_delete($migratedContentPath . '/databases/' . $database);

} else {

unlink($migratedContentPath . '/databases/' . $database);

}

msg("Removed non Bludit core database config: $database");

}

}

foreach ($allPlugins as $plugin) {

if (! in_array($plugin, $pluginsWhiteList)) {

recurse_delete($migratedContentPath . '/databases/plugins/' . $plugin);

msg("Removed non Bludit core plugin config: $plugin");

}

}

/**

* Delete old v2 backup and timemachine-x directories to prevent potential problems in v3

*/

if (file_exists($migratedContentPath . '/backup')) {

recurse_delete($migratedContentPath . '/backup');

msg('Removed old v2 backups from backup plugin...');

}

if (file_exists($migratedContentPath . '/timemachine-x')) {

recurse_delete($migratedContentPath . '/timemachine-x');

msg('Removed old v2 timemachine-x points...');

}

/**

* Create workspaces directory (New v3 feature for plugins)

*/

mkdir($migratedContentPath . '/workspaces', 0755);

// Migrate Core Plugins

// Get Fresh List

msg('Migrating core plugin databases...');

$allPlugins = array_diff(scandir($migratedContentPath . '/databases/plugins'), array('.', '..'));

foreach ($allPlugins as $plugin) {

$tmp = $migratedContentPath . '/databases/plugins/' . $plugin . '/';

switch ($plugin) {

/**

* amountOfItems was changed to numberOfItems

*/

case 'api':

case 'navigation':

case 'rss':

if (file_exists($tmp . 'db.php')) {

$data = stripFirstLine(file_get_contents($tmp . 'db.php'));

$json = json_decode($data);

$json->numberOfItems = $json->amountOfItems;

unset($json->amountOfItems);

// Insert to db

insert($tmp . 'db.php', $json);

/**

* Create a rss workspace and move rss.xml to it.

*/

if ($plugin === 'rss') {

mkdir($migratedContentPath . '/workspaces/rss', 0755);

if (file_exists($tmp . 'rss.xml')) {

rename($tmp . 'rss.xml', $migratedContentPath . '/workspaces/rss/rss.xml');

}

}

} else {

msg("Plugin $plugin db.php not found");

}

// dd($json);

break;

case 'sitemap':

if (file_exists($tmp . 'db.php')) {

/**

* Create a sitemap workspace and move sitemap.xml to it.

*/

mkdir($migratedContentPath . '/workspaces/sitemap', 0755);

if (file_exists($tmp . 'sitemap.xml')) {

rename($tmp . 'sitemap.xml', $migratedContentPath . '/workspaces/sitemap/sitemap.xml');

}

} else {

msg("Plugin $plugin db.php not found");

}

case 'tinymce':

if (file_exists($tmp . 'db.php')) {

$data = stripFirstLine(file_get_contents($tmp . 'db.php'));

$json = json_decode($data);

// New items

$json->toolbar1 = "formatselect bold italic bullist numlist blockquote alignleft aligncenter alignright link pagebreak image removeformat code";

$json->toolbar2 = "";

$json->mobileToolbar = "bold italic bullist formatselect";

$json->plugins = "code autolink image link pagebreak advlist lists textcolor colorpicker textpattern";

// Insert to db

insert($tmp . 'db.php', $json);

} else {

msg("Plugin $plugin db.php not found");

}

// dd($json);

break;

case 'simplemde':

if (file_exists($tmp . 'db.php')) {

$data = stripFirstLine(file_get_contents($tmp . 'db.php'));

$json = json_decode($data);

// Obsolete

unset($json->autosave);

// Insert to db

insert($tmp . 'db.php', $json);

} else {

msg("Plugin $plugin db.php not found");

}

// dd($json);

break;

}

}

/**

* Enable simple-stats and robots plugin (Available only on v3)

*/

mkdir($migratedContentPath . '/databases/plugins/robots', 0755);

insert($migratedContentPath . '/databases/plugins/robots/db.php', [

'position' => 1

]);

mkdir($migratedContentPath . '/databases/plugins/simple-stats', 0755);

// Create workspace

mkdir($migratedContentPath . '/workspaces/simple-stats', 0755);

insert($migratedContentPath . '/databases/plugins/simple-stats/db.php', [

'numberOfDays' => 7,

'label' => 'Visits',

'excludeAdmins'=> false,

'position' => 1

]);

// Migrate Core Databases to v3.0

// Get Fresh List

$allDatabases = array_diff(scandir($migratedContentPath . '/databases'), array('.', '..', 'plugins')); // Ignore plugins directory

foreach ($allDatabases as $database) {

$tmp = $migratedContentPath . '/databases/' . $database;

switch ($database) {

case 'categories.php':

if (file_exists($tmp)) {

$data = stripFirstLine(file_get_contents($tmp));

$json = json_decode($data);

foreach ($json as $category) {

// New values

$category->description = '';

$category->template = '';

}

// Insert to db

insert($tmp, $json);

} else {

msg("Database $database not found");

}

break;

case 'pages.php':

if (file_exists($tmp)) {

$data = stripFirstLine(file_get_contents($tmp));

$json = json_decode($data);

$count = 0;

foreach ($json as $key => $page) {

$pageObject = new Page($key);

// Get title from index.txt

$page->title = $pageObject->vars['title'];

if (empty($page->title)) {

msg('WARNING: Page with empty title found.');

}

$page->type = $page->status;

unset($page->status);

// Insert rawContent to index.txt

file_put_contents($migratedContentPath.DS.'pages'.DS.$key.DS.FILENAME, $pageObject->vars['contentRaw']);

// Recalculate new index.txt md5

$page->md5file = md5_file($migratedContentPath.DS.'pages'.DS.$key.DS.FILENAME);

$page->noindex = false;

$page->nofollow = false;

$page->noarchive = false;

$count++;

}

// Insert to db

insert($tmp, $json);

msg("Migrated $count pages...");

} else {

msg("Database $database not found");

}

break;

case 'site.php':

if (file_exists($tmp)) {

$data = stripFirstLine(file_get_contents($tmp));

$json = json_decode($data);

// New values

// Safer compat

$json->theme = 'blogx';

$json->adminTheme = 'booty';

$json->currentBuild = 20180821;

$json->instagram = '';

$json->gitlab = '';

$json->linkedin = '';

$json->extremeFriendly = true;

$json->autosaveInterval = 2;

$json->titleFormatHomepage = '{{site-slogan}} | {{site-title}}';

$json->titleFormatPages = '{{page-title}} | {{site-title}}';

$json->titleFormatCategory = '{{category-name}} | {{site-title}}';

$json->titleFormatTag = '{{tag-name}} | {{site-title}}';

// Set uriCategory if not available.

$json->uriCategory = isset($json->uriCategory) ? $json->uriCategory : '/category/';

// Insert to db

insert($tmp, $json);

} else {

msg("Database $database not found");

}

break;

case 'users.php':

if (file_exists($tmp)) {

$data = stripFirstLine(file_get_contents($tmp));

$json = json_decode($data);

foreach ($json as $user) {

// New values

$user->nickname = ($user === 'admin') ? 'Admin' : $user->firstName;

$user->codepen = '';

$user->linkedin = '';

$user->github = '';

$user->gitlab = '';

}

// Insert to db

insert($tmp, $json);

} else {

msg("Database $database not found");

}

break;

// No changes in security.php, syslog.php, tags.php

}

}

msg("Fixing Permissions...");

chmod($contentDirectoryName, 0755);

msg("Successfuly migrated.");

/**

* Customised Bludit v2.3.4 page.class.php for migration purpose

*/

class Page

{

public $vars;

public function __construct($key)

{

$this->vars = false;

if ($this->build($key)) {

$this->vars['key'] = $key;

}

}

// Parse the content from the file index.txt

public function build($key)

{

// Get path from script.

global $migratedContentPath;

$filePath = $migratedContentPath.DS.'pages'.DS.$key.DS.FILENAME;

// Check if the file exists

if (!is_file($filePath)) {

return false;

}

$tmp = 0;

$file = file($filePath);

foreach ($file as $lineNumber => $line) {

// Split the line in 2 parts, limiter by :

$parts = explode(':', $line, 2);

$field = $parts[0]; // title, date, slug

$value = isset($parts[1])?$parts[1]:false; // value of title, value of date

// Remove all characters except letters and dash - from field

$field = preg_replace('/[^A-Za-z\-]/', '', $field);

// Field to lowercase

$field = mb_strtolower($field, CHARSET);

// Check if the current line start the content of the page

// We have two breakers, the word content or 3 dash ---

if ($field==='content') {

$tmp = $lineNumber;

$styleTypeUsed = 'Content:';

break;

}

if ($field==='---') {

$tmp = $lineNumber;

$styleTypeUsed = '---';

break;

}

if (!empty($field) && !empty($value)) {

// Remove missing dashs -

$field = preg_replace('/[^A-Za-z]/', '', $field);

// Remove <-- and -->

$value = preg_replace('/<\-\-/', '', $value);

$value = preg_replace('/\-\->/', '', $value);

// Remove empty spaces on borders

$value = trim($value);

// Position accepts only integers

if ($field=='position') {

$value = preg_replace('/[^0-9]/', '', $value);

}

// Sanitize all fields, except the content

$this->vars[$field] = $value;

}

}

// Process the content

if ($tmp!==0) {

// Get all lines starting from "Content:" or "---"

$content = array_slice($file, $tmp);

// Remove "Content:" or "---" and keep next characters if there are

$content[0] = substr($content[0], strpos($content[0], $styleTypeUsed) + strlen($styleTypeUsed));

$content[0] = ltrim($content[0]);

// Join lines in one variable, this is RAW content from file

$this->vars['contentRaw'] = implode($content);

}

return true;

}

}