bludit/bl-kernel/abstract/plugin.class.php

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<?php defined('BLUDIT') or die('Bludit CMS.');
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class Plugin {
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// (string) Plugin's directory name
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public $directoryName;
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// (string) Database path and filename
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public $filenameDb;
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public $filenameMetadata;
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// (array) Database unserialized
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public $db;
// (array) Database fields, only for initialize.
public $dbFields;
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// (string) Plugin's class name.
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public $className;
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// (array) Plugin's information.
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public $metadata;
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function __construct()
{
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$this->dbFields = array();
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$reflector = new ReflectionClass(get_class($this));
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// Directory name
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$this->directoryName = basename(dirname($reflector->getFileName()));
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// Class Name
$this->className = $reflector->getName();
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// Initialize dbFields from the children.
$this->init();
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// Init empty database
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$this->db = $this->dbFields;
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$this->filenameDb = PATH_PLUGINS_DATABASES.$this->directoryName.DS.'db.php';
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// --- Metadata ---
$this->filenameMetadata = PATH_PLUGINS.$this->directoryName().DS.'metadata.json';
$metadataString = file_get_contents($this->filenameMetadata);
$this->metadata = json_decode($metadataString, true);
// If the plugin is installed then get the database.
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if($this->installed())
{
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$Tmp = new dbJSON($this->filenameDb);
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$this->db = $Tmp->db;
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}
}
public function setDb($args)
{
foreach($this->dbFields as $key=>$value) {
if( isset($args[$key]) ) {
$value = Sanitize::html( $args[$key] );
settype($value, gettype($this->dbFields[$key]));
$this->db[$key] = $value;
}
}
$this->save();
}
public function save()
{
$tmp = new dbJSON($this->filenameDb);
$tmp->db = $this->db;
$tmp->save();
}
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public function htmlPath()
{
return HTML_PATH_PLUGINS.$this->directoryName.'/';
}
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public function phpPath()
{
return PATH_PLUGINS.$this->directoryName.DS;
}
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public function phpPathDB()
{
return PATH_PLUGINS_DATABASES.$this->directoryName.DS;
}
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// Returns the item from plugin-data.
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public function getMetadata($key)
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{
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if(isset($this->metadata[$key])) {
return $this->metadata[$key];
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}
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return '';
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}
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public function setMetadata($key, $value)
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{
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$this->metadata[$key] = $value;
return true;
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}
// Returns the value of the field from the database
// (string) $field
// (boolean) $html, TRUE returns the value sanitized, FALSE unsanitized
public function getValue($field, $html=true)
{
if( isset($this->db[$field]) ) {
if($html) {
return $this->db[$field];
}
else {
return Sanitize::htmlDecode($this->db[$field]);
}
}
return false;
}
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public function getDbField($key, $html=true)
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{
if(isset($this->db[$key])) {
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if($html) {
// All fields from DBField are sanitized.
return $this->db[$key];
}
else {
// Decode HTML tags, this action unsanitized the variable.
return Sanitize::htmlDecode($this->db[$key]);
}
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}
return '';
}
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public function name()
{
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return $this->getMetadata('name');
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}
public function description()
{
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return $this->getMetadata('description');
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}
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public function author()
{
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return $this->getMetadata('author');
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}
public function email()
{
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return $this->getMetadata('email');
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}
public function website()
{
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return $this->getMetadata('website');
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}
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public function version()
{
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return $this->getMetadata('version');
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}
public function releaseDate()
{
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return $this->getMetadata('releaseDate');
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}
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public function className()
{
return $this->className;
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}
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public function isCompatible()
{
$bluditRoot = explode('.', BLUDIT_VERSION);
$compatible = explode(',', $this->getMetadata('compatible'));
foreach( $compatible as $version ) {
$root = explode('.', $version);
if( $root[0]==$bluditRoot[0] && $root[1]==$bluditRoot[1] ) {
return true;
}
}
return false;
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}
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public function directoryName()
{
return $this->directoryName;
}
public function workspace()
{
return PATH_PLUGINS_DATABASES.$this->directoryName.DS;
}
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// Return TRUE if the installation success, otherwise FALSE.
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public function install($position=0)
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{
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if($this->installed()) {
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return false;
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}
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// Create plugin directory for databases and other files
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mkdir(PATH_PLUGINS_DATABASES.$this->directoryName, 0755, true);
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// Create database
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$this->dbFields['position'] = $position;
$this->setDb($this->dbFields);
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return true;
}
public function uninstall()
{
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// Delete all files.
$files = Filesystem::listFiles( $this->phpPathDB() );
foreach($files as $file) {
unlink($file);
}
// Delete the directory.
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rmdir(PATH_PLUGINS_DATABASES.$this->directoryName);
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}
public function installed()
{
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return file_exists($this->filenameDb);
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}
public function init()
{
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// This method is used on childre classes.
// The user can define your own dbFields.
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}
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}