mirror of
https://github.com/Combodo/iTop.git
synced 2026-02-13 07:24:13 +01:00
601 lines
18 KiB
PHP
601 lines
18 KiB
PHP
<?php
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use Combodo\iTop\Setup\ModuleDiscovery\ModuleFileReader;
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use Combodo\iTop\Setup\ModuleDiscovery\ModuleFileReaderException;
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require_once(APPROOT.'/setup/parameters.class.inc.php');
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require_once(APPROOT.'/core/cmdbsource.class.inc.php');
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require_once(APPROOT.'/setup/modulediscovery.class.inc.php');
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require_once(APPROOT.'/setup/moduleinstaller.class.inc.php');
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/**
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* Basic helper class to describe an extension, with some characteristics and a list of modules
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*/
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class iTopExtension
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{
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public const SOURCE_WIZARD = 'datamodels';
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public const SOURCE_MANUAL = 'extensions';
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public const SOURCE_REMOTE = 'data';
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/**
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* @var string
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*/
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public $sCode;
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/**
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* @var string
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*/
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public $sVersion;
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/**
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* @var string
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*/
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public $sInstalledVersion;
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/**
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* @var string
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*/
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public $sLabel;
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/**
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* @var string
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*/
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public $sDescription;
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/**
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* @var string
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*/
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public $sSource;
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/**
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* @var bool
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*/
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public $bMandatory;
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/**
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* @var string
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*/
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public $sMoreInfoUrl;
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/**
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* @var bool
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*/
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public $bMarkedAsChosen;
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/**
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* If null, check if at least one module cannot be uninstalled
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* @var bool|null
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*/
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public ?bool $bCanBeUninstalled = null;
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/**
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* @var bool
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*/
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public $bVisible;
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/**
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* @var string[]
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*/
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public $aModules;
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/**
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* @var string[]
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*/
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public $aModuleVersion;
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/**
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* @var string[]
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*/
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public $aModuleInfo;
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/**
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* @var string
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*/
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public $sSourceDir;
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/**
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*
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* @var string[]
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*/
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public $aMissingDependencies;
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/**
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* @var bool
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*/
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public bool $bInstalled = false;
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/**
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* @var bool
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*/
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public bool $bRemovedFromDisk = false;
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public function __construct()
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{
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$this->sCode = '';
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$this->sLabel = '';
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$this->sDescription = '';
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$this->sSource = self::SOURCE_WIZARD;
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$this->bMandatory = false;
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$this->sMoreInfoUrl = '';
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$this->bMarkedAsChosen = false;
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$this->sVersion = ITOP_VERSION;
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$this->sInstalledVersion = '';
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$this->aModules = [];
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$this->aModuleVersion = [];
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$this->aModuleInfo = [];
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$this->sSourceDir = '';
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$this->bVisible = true;
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$this->aMissingDependencies = [];
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}
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/**
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* @since 3.3.0
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* @return bool
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*/
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public function CanBeUninstalled(): bool
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{
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if (!is_null($this->bCanBeUninstalled)) {
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return $this->bCanBeUninstalled;
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}
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foreach ($this->aModuleInfo as $sModuleCode => $aModuleInfo) {
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$this->bCanBeUninstalled = $aModuleInfo['uninstallable'] === 'yes';
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return $this->bCanBeUninstalled;
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}
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return true;
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}
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}
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/**
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* Helper class to discover all available extensions on a given iTop system
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*/
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class iTopExtensionsMap
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{
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/**
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* The list of all discovered extensions
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* @param string $sFromEnvironment The environment to scan
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* @param bool $bNormailizeOldExtension true to "magically" convert some well-known old extensions (i.e. a set of modules) to the new iTopExtension format
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* @return void
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*/
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protected $aExtensions;
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/**
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* The list of all currently installed extensions
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* @var array|null
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*/
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protected ?array $aInstalledExtensions = null;
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/**
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* The list of directories browsed using the ReadDir method when building the map
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* @var string[]
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*/
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protected $aScannedDirs;
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public function __construct($sFromEnvironment = 'production', $aExtraDirs = [])
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{
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$this->aExtensions = [];
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$this->aScannedDirs = [];
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$this->ScanDisk($sFromEnvironment);
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foreach ($aExtraDirs as $sDir) {
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$this->ReadDir($sDir, iTopExtension::SOURCE_REMOTE);
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}
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$this->CheckDependencies($sFromEnvironment);
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}
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/**
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* Populate the list of available (pseudo)extensions by scanning the disk
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* where the iTop files are located
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* @param string $sEnvironment
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* @return void
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*/
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protected function ScanDisk($sEnvironment)
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{
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if (!$this->ReadInstallationWizard(APPROOT.'/datamodels/2.x') && !$this->ReadInstallationWizard(APPROOT.'/datamodels/2.x')) {
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if (!$this->ReadDir(APPROOT.'/datamodels/2.x', iTopExtension::SOURCE_WIZARD)) {
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$this->ReadDir(APPROOT.'/datamodels/1.x', iTopExtension::SOURCE_WIZARD);
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}
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}
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$this->ReadDir(APPROOT.'/extensions', iTopExtension::SOURCE_MANUAL);
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$this->ReadDir(APPROOT.'/data/'.$sEnvironment.'-modules', iTopExtension::SOURCE_REMOTE);
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}
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/**
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* Read the information contained in the "installation.xml" file in the given directory
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* and create pseudo extensions from the list of choices described in this file
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* @param string $sDir
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* @return boolean Return true if the installation.xml file exists and is readable
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*/
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protected function ReadInstallationWizard($sDir)
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{
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if (!is_readable($sDir.'/installation.xml')) {
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return false;
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}
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$oXml = new XMLParameters($sDir.'/installation.xml');
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foreach ($oXml->Get('steps') as $aStepInfo) {
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if (array_key_exists('options', $aStepInfo)) {
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$this->ProcessWizardChoices($aStepInfo['options']);
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}
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if (array_key_exists('alternatives', $aStepInfo)) {
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$this->ProcessWizardChoices($aStepInfo['alternatives']);
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}
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}
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return true;
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}
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/**
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* Helper to process a "choice" array read from the installation.xml file
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* @param array $aChoices
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* @return void
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*/
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protected function ProcessWizardChoices($aChoices)
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{
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foreach ($aChoices as $aChoiceInfo) {
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if (array_key_exists('extension_code', $aChoiceInfo)) {
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$oExtension = new iTopExtension();
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$oExtension->sCode = $aChoiceInfo['extension_code'];
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$oExtension->sLabel = $aChoiceInfo['title'];
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$oExtension->sDescription = $aChoiceInfo['description'];
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if (array_key_exists('modules', $aChoiceInfo)) {
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// Some wizard choices are not associated with any module
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$oExtension->aModules = $aChoiceInfo['modules'];
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}
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if (array_key_exists('sub_options', $aChoiceInfo)) {
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if (array_key_exists('options', $aChoiceInfo['sub_options'])) {
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$this->ProcessWizardChoices($aChoiceInfo['sub_options']['options']);
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}
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if (array_key_exists('alternatives', $aChoiceInfo['sub_options'])) {
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$this->ProcessWizardChoices($aChoiceInfo['sub_options']['alternatives']);
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}
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}
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$this->AddExtension($oExtension);
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}
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}
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}
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/**
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* Add an extension to the list of existing extensions, taking care of removing duplicates
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* (only the latest/greatest version is kept)
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* @param iTopExtension $oNewExtension
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* @return void
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*/
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protected function AddExtension(iTopExtension $oNewExtension)
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{
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foreach ($this->aExtensions as $key => $oExtension) {
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if ($oExtension->sCode == $oNewExtension->sCode) {
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if (version_compare($oNewExtension->sVersion, $oExtension->sVersion, '>')) {
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// This "new" extension is "newer" than the previous one, let's replace the previous one
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unset($this->aExtensions[$key]);
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$this->aExtensions[$oNewExtension->sCode.'/'.$oNewExtension->sVersion] = $oNewExtension;
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return;
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} else {
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// This "new" extension is not "newer" than the previous one, let's ignore it
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return;
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}
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}
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}
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// Finally it's not a duplicate, let's add it to the list
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$this->aExtensions[$oNewExtension->sCode.'/'.$oNewExtension->sVersion] = $oNewExtension;
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}
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/**
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* @since 3.3.0
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* @param string $sExtensionCode
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*
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* @return \iTopExtension|null
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*/
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public function GetFromExtensionCode(string $sExtensionCode): ?iTopExtension
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{
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foreach ($this->aExtensions as $oExtension) {
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if ($oExtension->sCode === $sExtensionCode) {
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return $oExtension;
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}
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}
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return null;
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}
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/**
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* Read (recursively) a directory to find if it contains extensions (or modules)
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*
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* @param string $sSearchDir The directory to scan
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* @param string $sSource The 'source' value for the extensions found in this directory
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* @param string|null $sParentExtensionId Not null if the directory is under a declared extension
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*
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* @return boolean false if we cannot open dir
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*/
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protected function ReadDir($sSearchDir, $sSource, $sParentExtensionId = null)
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{
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if (!is_readable($sSearchDir)) {
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return false;
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}
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$hDir = opendir($sSearchDir);
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if ($hDir !== false) {
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if ($sParentExtensionId == null) {
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// We're not recursing, let's add the directory to the list of scanned dirs
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$this->aScannedDirs[] = $sSearchDir;
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}
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$sExtensionId = null;
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$aSubDirectories = [];
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// First check if there is an extension.xml file in this directory
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if (is_readable($sSearchDir.'/extension.xml')) {
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$oXml = new XMLParameters($sSearchDir.'/extension.xml');
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$oExtension = new iTopExtension();
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$oExtension->sCode = $oXml->Get('extension_code');
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$oExtension->sLabel = $oXml->Get('label');
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$oExtension->sDescription = $oXml->Get('description');
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$oExtension->sVersion = $oXml->Get('version');
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$oExtension->bMandatory = ($oXml->Get('mandatory') == 'true');
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$oExtension->sMoreInfoUrl = $oXml->Get('more_info_url');
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$oExtension->sSource = $sSource;
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$oExtension->sSourceDir = $sSearchDir;
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$sParentExtensionId = $sExtensionId = $oExtension->sCode.'/'.$oExtension->sVersion;
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$this->AddExtension($oExtension);
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}
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// Then scan the other files and subdirectories
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while (($sFile = readdir($hDir)) !== false) {
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if (($sFile !== '.') && ($sFile !== '..')) {
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$aMatches = [];
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if (is_dir($sSearchDir.'/'.$sFile)) {
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// Recurse after parsing all the regular files
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$aSubDirectories[] = $sSearchDir.'/'.$sFile;
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} elseif (preg_match('/^module\.(.*).php$/i', $sFile, $aMatches)) {
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// Found a module
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try {
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$aModuleInfo = ModuleFileReader::GetInstance()->ReadModuleFileInformation($sSearchDir.'/'.$sFile);
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} catch (ModuleFileReaderException $e) {
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continue;
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}
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// If we are not already inside a formal extension, then the module itself is considered
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// as an extension, otherwise, the module is just added to the list of modules belonging
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// to this extension
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$sModuleId = $aModuleInfo[ModuleFileReader::MODULE_INFO_ID];
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list($sModuleName, $sModuleVersion) = ModuleDiscovery::GetModuleName($sModuleId);
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if ($sModuleVersion == '') {
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// Provide a default module version since version is mandatory when recording ExtensionInstallation
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$sModuleVersion = '0.0.1';
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}
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$aModuleInfo[ModuleFileReader::MODULE_INFO_CONFIG]['uninstallable'] ??= 'yes';
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if (($sParentExtensionId !== null) && (array_key_exists($sParentExtensionId, $this->aExtensions)) && ($this->aExtensions[$sParentExtensionId] instanceof iTopExtension)) {
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// Already inside an extension, let's add this module the list of modules belonging to this extension
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$this->aExtensions[$sParentExtensionId]->aModules[] = $sModuleName;
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$this->aExtensions[$sParentExtensionId]->aModuleVersion[$sModuleName] = $sModuleVersion;
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$this->aExtensions[$sParentExtensionId]->aModuleInfo[$sModuleName] = $aModuleInfo[ModuleFileReader::MODULE_INFO_CONFIG];
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} else {
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// Not already inside a folder containing an 'extension.xml' file
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// Ignore non-visible modules and auto-select ones, since these are never prompted
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// as a choice to the end-user
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$bVisible = true;
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if (!$aModuleInfo[ModuleFileReader::MODULE_INFO_CONFIG]['visible'] || isset($aModuleInfo[ModuleFileReader::MODULE_INFO_CONFIG]['auto_select'])) {
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$bVisible = false;
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}
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// Let's create a "fake" extension from this module (containing just this module) for backwards compatibility
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$oExtension = new iTopExtension();
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$oExtension->sCode = $sModuleName;
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$oExtension->sLabel = $aModuleInfo[ModuleFileReader::MODULE_INFO_CONFIG]['label'];
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$oExtension->sDescription = '';
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$oExtension->sVersion = $sModuleVersion;
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$oExtension->sSource = $sSource;
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$oExtension->bMandatory = $aModuleInfo[ModuleFileReader::MODULE_INFO_CONFIG]['mandatory'];
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$oExtension->sMoreInfoUrl = $aModuleInfo[ModuleFileReader::MODULE_INFO_CONFIG]['doc.more_information'];
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$oExtension->aModules = [$sModuleName];
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$oExtension->aModuleVersion[$sModuleName] = $sModuleVersion;
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$oExtension->aModuleInfo[$sModuleName] = $aModuleInfo[ModuleFileReader::MODULE_INFO_CONFIG];
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$oExtension->sSourceDir = $sSearchDir;
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$oExtension->bVisible = $bVisible;
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$this->AddExtension($oExtension);
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}
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closedir($hDir);
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return true; // we found a module, no more digging necessary !
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}
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}
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}
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closedir($hDir);
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foreach ($aSubDirectories as $sDir) {
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// Recurse inside the subdirectories
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$this->ReadDir($sDir, $sSource, $sExtensionId);
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}
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return true;
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}
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return false;
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}
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/**
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* Check if some extension contains a module with missing dependencies...
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* If so, populate the aMissingDepenencies array
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* @param string $sFromEnvironment
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* @return void
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*/
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protected function CheckDependencies($sFromEnvironment)
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{
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$aSearchDirs = [];
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if (is_dir(APPROOT.'/datamodels/2.x')) {
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$aSearchDirs[] = APPROOT.'/datamodels/2.x';
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} elseif (is_dir(APPROOT.'/datamodels/1.x')) {
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$aSearchDirs[] = APPROOT.'/datamodels/1.x';
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}
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$aSearchDirs = array_merge($aSearchDirs, $this->aScannedDirs);
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try {
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$aAllModules = ModuleDiscovery::GetAvailableModules($aSearchDirs, true);
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} catch (MissingDependencyException $e) {
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// Some modules have missing dependencies
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// Let's check what is the impact at the "extensions" level
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foreach ($this->aExtensions as $sKey => $oExtension) {
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foreach ($oExtension->aModules as $sModuleName) {
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if (array_key_exists($sModuleName, $oExtension->aModuleVersion)) {
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// This information is not available for pseudo modules defined in the installation wizard, but let's ignore them
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$sVersion = $oExtension->aModuleVersion[$sModuleName];
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$sModuleId = $sModuleName.'/'.$sVersion;
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if (array_key_exists($sModuleId, $e->aModulesInfo)) {
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// The extension actually contains a module which has unmet dependencies
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$aModuleInfo = $e->aModulesInfo[$sModuleId];
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$this->aExtensions[$sKey]->aMissingDependencies = array_merge($oExtension->aMissingDependencies, $aModuleInfo['dependencies']);
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}
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}
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}
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}
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}
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}
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/**
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* Get all available extensions
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* @return iTopExtension[]
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*/
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public function GetAllExtensions()
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{
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return $this->aExtensions;
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}
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/**
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* @return array All available extensions and extensions currently installed but not available due to files removal
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*/
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public function GetAllExtensionsWithPreviouslyInstalled(): array
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{
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//Mind the order, local extensions data must overwrite installed extensions data since installed extensions does not have the associated modules.
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return array_merge($this->aInstalledExtensions ?? [], $this->aExtensions);
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}
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/**
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* Mark the given extension as chosen
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* @param string $sExtensionCode The code of the extension (code without version number)
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* @param bool $bMark The value to set for the bMarkAsChosen flag
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* @return void
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*/
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public function MarkAsChosen($sExtensionCode, $bMark = true)
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{
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foreach ($this->aExtensions as $oExtension) {
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if ($oExtension->sCode == $sExtensionCode) {
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$oExtension->bMarkedAsChosen = $bMark;
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break;
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}
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}
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}
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/**
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* Tells if a given extension(code) is marked as chosen
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* @param string $sExtensionCode
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* @return boolean
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*/
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public function IsMarkedAsChosen($sExtensionCode)
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{
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foreach ($this->aExtensions as $oExtension) {
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if ($oExtension->sCode == $sExtensionCode) {
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return $oExtension->bMarkedAsChosen;
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}
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}
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return false;
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}
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/**
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* Set the 'installed_version' of the given extension(code)
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* @param string $sExtensionCode
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* @param string $sInstalledVersion
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* @return void
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*/
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protected function SetInstalledVersion($sExtensionCode, $sInstalledVersion)
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{
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foreach ($this->aExtensions as $oExtension) {
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if ($oExtension->sCode == $sExtensionCode) {
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$oExtension->sInstalledVersion = $sInstalledVersion;
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break;
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}
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}
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}
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/**
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* Get the list of the "chosen" extensions
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* @return iTopExtension[]
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*/
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public function GetChoices()
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{
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$aResult = [];
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foreach ($this->aExtensions as $oExtension) {
|
|
if ($oExtension->bMarkedAsChosen) {
|
|
$aResult[] = $oExtension;
|
|
}
|
|
}
|
|
return $aResult;
|
|
}
|
|
|
|
/**
|
|
* Load the choices (i.e. MarkedAsChosen) from the database defined in the supplied Config
|
|
* @param Config $oConfig
|
|
* @return bool
|
|
*/
|
|
public function LoadChoicesFromDatabase(Config $oConfig)
|
|
{
|
|
foreach ($this->LoadInstalledExtensionsFromDatabase($oConfig) as $oExtension) {
|
|
$this->MarkAsChosen($oExtension->sCode);
|
|
$this->SetInstalledVersion($oExtension->sCode, $oExtension->sVersion);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
protected function LoadInstalledExtensionsFromDatabase(Config $oConfig): array|false
|
|
{
|
|
try {
|
|
if (CMDBSource::DBName() === null) {
|
|
CMDBSource::InitFromConfig($oConfig);
|
|
}
|
|
$sLatestInstallationDate = CMDBSource::QueryToScalar("SELECT max(installed) FROM ".$oConfig->Get('db_subname')."priv_extension_install");
|
|
$aDBInfo = CMDBSource::QueryToArray("SELECT * FROM ".$oConfig->Get('db_subname')."priv_extension_install WHERE installed = '".$sLatestInstallationDate."'");
|
|
|
|
$this->aInstalledExtensions = [];
|
|
foreach ($aDBInfo as $aExtensionInfo) {
|
|
$oExtension = new iTopExtension();
|
|
$oExtension->sCode = $aExtensionInfo['code'];
|
|
$oExtension->sLabel = $aExtensionInfo['label'];
|
|
$oExtension->sDescription = $aExtensionInfo['description'] ?? '';
|
|
$oExtension->sVersion = $aExtensionInfo['version'];
|
|
$oExtension->sSource = $aExtensionInfo['source'];
|
|
$oExtension->bMandatory = false;
|
|
$oExtension->sMoreInfoUrl = '';
|
|
$oExtension->aModules = [];
|
|
$oExtension->aModuleVersion = [];
|
|
$oExtension->aModuleInfo = [];
|
|
$oExtension->sSourceDir = '';
|
|
$oExtension->bVisible = true;
|
|
$oExtension->bInstalled = true;
|
|
$oExtension->bCanBeUninstalled = !isset($aExtensionInfo['uninstallable']) || $aExtensionInfo['uninstallable'] === 'yes';
|
|
$oChoice = $this->GetFromExtensionCode($oExtension->sCode);
|
|
if ($oChoice) {
|
|
$oChoice->bInstalled = true;
|
|
} else {
|
|
$oExtension->bRemovedFromDisk = true;
|
|
}
|
|
|
|
$this->aInstalledExtensions[$oExtension->sCode.'/'.$oExtension->sVersion] = $oExtension;
|
|
}
|
|
|
|
return $this->aInstalledExtensions;
|
|
} catch (MySQLException $e) {
|
|
// No database or erroneous information
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Tells if the given module name is "chosen" since it is part of a "chosen" extension (in the specified source dir)
|
|
* @param string $sModuleNameToFind
|
|
* @param string $sInSourceOnly
|
|
* @return boolean
|
|
*/
|
|
public function ModuleIsChosenAsPartOfAnExtension($sModuleNameToFind, $sInSourceOnly = iTopExtension::SOURCE_REMOTE)
|
|
{
|
|
$bChosen = false;
|
|
|
|
foreach ($this->GetAllExtensions() as $oExtension) {
|
|
if (($oExtension->sSource == $sInSourceOnly) &&
|
|
($oExtension->bMarkedAsChosen == true) &&
|
|
(array_key_exists($sModuleNameToFind, $oExtension->aModuleVersion))) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
}
|