329 lines
14 KiB
PHP
329 lines
14 KiB
PHP
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<?php
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/**
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* <tasks:postinstallscript>
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*
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* PHP versions 4 and 5
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*
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* LICENSE: This source file is subject to version 3.0 of the PHP license
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* that is available through the world-wide-web at the following URI:
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* http://www.php.net/license/3_0.txt. If you did not receive a copy of
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* the PHP License and are unable to obtain it through the web, please
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* send a note to license@php.net so we can mail you a copy immediately.
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*
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* @category pear
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* @package PEAR
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* @author Greg Beaver <cellog@php.net>
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* @copyright 1997-2006 The PHP Group
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* @license http://www.php.net/license/3_0.txt PHP License 3.0
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* @version CVS: $Id: Postinstallscript.php,v 1.18 2006/02/08 01:21:47 cellog Exp $
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* @link http://pear.php.net/package/PEAR
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* @since File available since Release 1.4.0a1
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*/
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/**
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* Base class
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*/
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require_once 'PEAR/Task/Common.php';
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/**
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* Implements the postinstallscript file task.
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*
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* Note that post-install scripts are handled separately from installation, by the
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* "pear run-scripts" command
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* @category pear
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* @package PEAR
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* @author Greg Beaver <cellog@php.net>
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* @copyright 1997-2006 The PHP Group
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* @license http://www.php.net/license/3_0.txt PHP License 3.0
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* @version Release: 1.4.11
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* @link http://pear.php.net/package/PEAR
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* @since Class available since Release 1.4.0a1
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*/
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class PEAR_Task_Postinstallscript extends PEAR_Task_Common
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{
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var $type = 'script';
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var $_class;
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var $_params;
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var $_obj;
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/**
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*
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* @var PEAR_PackageFile_v2
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*/
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var $_pkg;
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var $_contents;
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var $phase = PEAR_TASK_INSTALL;
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/**
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* Validate the raw xml at parsing-time.
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*
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* This also attempts to validate the script to make sure it meets the criteria
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* for a post-install script
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* @param PEAR_PackageFile_v2
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* @param array The XML contents of the <postinstallscript> tag
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* @param PEAR_Config
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* @param array the entire parsed <file> tag
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* @static
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*/
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function validateXml($pkg, $xml, &$config, $fileXml)
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{
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if ($fileXml['role'] != 'php') {
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return array(PEAR_TASK_ERROR_INVALID, 'Post-install script "' .
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$fileXml['name'] . '" must be role="php"');
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}
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PEAR::pushErrorHandling(PEAR_ERROR_RETURN);
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$file = $pkg->getFileContents($fileXml['name']);
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if (PEAR::isError($file)) {
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PEAR::popErrorHandling();
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return array(PEAR_TASK_ERROR_INVALID, 'Post-install script "' .
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$fileXml['name'] . '" is not valid: ' .
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$file->getMessage());
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} elseif ($file === null) {
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return array(PEAR_TASK_ERROR_INVALID, 'Post-install script "' .
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$fileXml['name'] . '" could not be retrieved for processing!');
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} else {
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$analysis = $pkg->analyzeSourceCode($file, true);
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if (!$analysis) {
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PEAR::popErrorHandling();
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$warnings = '';
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foreach ($pkg->getValidationWarnings() as $warn) {
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$warnings .= $warn['message'] . "\n";
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}
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return array(PEAR_TASK_ERROR_INVALID, 'Analysis of post-install script "' .
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$fileXml['name'] . '" failed: ' . $warnings);
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}
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if (count($analysis['declared_classes']) != 1) {
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PEAR::popErrorHandling();
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return array(PEAR_TASK_ERROR_INVALID, 'Post-install script "' .
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$fileXml['name'] . '" must declare exactly 1 class');
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}
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$class = $analysis['declared_classes'][0];
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if ($class != str_replace(array('/', '.php'), array('_', ''),
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$fileXml['name']) . '_postinstall') {
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PEAR::popErrorHandling();
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return array(PEAR_TASK_ERROR_INVALID, 'Post-install script "' .
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$fileXml['name'] . '" class "' . $class . '" must be named "' .
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str_replace(array('/', '.php'), array('_', ''),
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$fileXml['name']) . '_postinstall"');
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}
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if (!isset($analysis['declared_methods'][$class])) {
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PEAR::popErrorHandling();
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return array(PEAR_TASK_ERROR_INVALID, 'Post-install script "' .
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$fileXml['name'] . '" must declare methods init() and run()');
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}
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$methods = array('init' => 0, 'run' => 1);
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foreach ($analysis['declared_methods'][$class] as $method) {
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if (isset($methods[$method])) {
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unset($methods[$method]);
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}
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}
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if (count($methods)) {
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PEAR::popErrorHandling();
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return array(PEAR_TASK_ERROR_INVALID, 'Post-install script "' .
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$fileXml['name'] . '" must declare methods init() and run()');
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}
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}
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PEAR::popErrorHandling();
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$definedparams = array();
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$tasksNamespace = $pkg->getTasksNs() . ':';
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if (!isset($xml[$tasksNamespace . 'paramgroup']) && isset($xml['paramgroup'])) {
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// in order to support the older betas, which did not expect internal tags
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// to also use the namespace
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$tasksNamespace = '';
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}
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if (isset($xml[$tasksNamespace . 'paramgroup'])) {
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$params = $xml[$tasksNamespace . 'paramgroup'];
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if (!is_array($params) || !isset($params[0])) {
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$params = array($params);
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}
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foreach ($params as $param) {
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if (!isset($param[$tasksNamespace . 'id'])) {
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return array(PEAR_TASK_ERROR_INVALID, 'Post-install script "' .
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$fileXml['name'] . '" <paramgroup> must have ' .
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'an ' . $tasksNamespace . 'id> tag');
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}
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if (isset($param[$tasksNamespace . 'name'])) {
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if (!in_array($param[$tasksNamespace . 'name'], $definedparams)) {
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return array(PEAR_TASK_ERROR_INVALID, 'Post-install script "' .
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$fileXml['name'] . '" ' . $tasksNamespace .
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'paramgroup> id "' . $param[$tasksNamespace . 'id'] .
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'" parameter "' . $param[$tasksNamespace . 'name'] .
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'" has not been previously defined');
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}
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if (!isset($param[$tasksNamespace . 'conditiontype'])) {
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return array(PEAR_TASK_ERROR_INVALID, 'Post-install script "' .
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$fileXml['name'] . '" ' . $tasksNamespace .
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'paramgroup> id "' . $param[$tasksNamespace . 'id'] .
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'" must have a ' . $tasksNamespace .
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'conditiontype> tag containing either "=", ' .
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'"!=", or "preg_match"');
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}
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if (!in_array($param[$tasksNamespace . 'conditiontype'],
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array('=', '!=', 'preg_match'))) {
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return array(PEAR_TASK_ERROR_INVALID, 'Post-install script "' .
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$fileXml['name'] . '" ' . $tasksNamespace .
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'paramgroup> id "' . $param[$tasksNamespace . 'id'] .
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'" must have a ' . $tasksNamespace .
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'conditiontype> tag containing either "=", ' .
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'"!=", or "preg_match"');
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}
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if (!isset($param[$tasksNamespace . 'value'])) {
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return array(PEAR_TASK_ERROR_INVALID, 'Post-install script "' .
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$fileXml['name'] . '" ' . $tasksNamespace .
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'paramgroup> id "' . $param[$tasksNamespace . 'id'] .
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'" must have a ' . $tasksNamespace .
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'value> tag containing expected parameter value');
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}
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}
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if (isset($param[$tasksNamespace . 'instructions'])) {
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if (!is_string($param[$tasksNamespace . 'instructions'])) {
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return array(PEAR_TASK_ERROR_INVALID, 'Post-install script "' .
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$fileXml['name'] . '" ' . $tasksNamespace .
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'paramgroup> id "' . $param[$tasksNamespace . 'id'] .
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'" ' . $tasksNamespace . 'instructions> must be simple text');
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}
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}
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if (!isset($param[$tasksNamespace . 'param'])) {
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continue; // <param> is no longer required
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}
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$subparams = $param[$tasksNamespace . 'param'];
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if (!is_array($subparams) || !isset($subparams[0])) {
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$subparams = array($subparams);
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}
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foreach ($subparams as $subparam) {
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if (!isset($subparam[$tasksNamespace . 'name'])) {
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return array(PEAR_TASK_ERROR_INVALID, 'Post-install script "' .
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$fileXml['name'] . '" parameter for ' .
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$tasksNamespace . 'paramgroup> id "' .
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$param[$tasksNamespace . 'id'] . '" must have ' .
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'a ' . $tasksNamespace . 'name> tag');
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}
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if (!preg_match('/[a-zA-Z0-9]+/',
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$subparam[$tasksNamespace . 'name'])) {
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return array(PEAR_TASK_ERROR_INVALID, 'Post-install script "' .
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$fileXml['name'] . '" parameter "' .
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$subparam[$tasksNamespace . 'name'] .
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'" for ' . $tasksNamespace . 'paramgroup> id "' .
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$param[$tasksNamespace . 'id'] .
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'" is not a valid name. Must contain only alphanumeric characters');
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}
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if (!isset($subparam[$tasksNamespace . 'prompt'])) {
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return array(PEAR_TASK_ERROR_INVALID, 'Post-install script "' .
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$fileXml['name'] . '" parameter "' .
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$subparam[$tasksNamespace . 'name'] .
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'" for ' . $tasksNamespace . 'paramgroup> id "' .
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$param[$tasksNamespace . 'id'] .
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'" must have a ' . $tasksNamespace . 'prompt> tag');
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}
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if (!isset($subparam[$tasksNamespace . 'type'])) {
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return array(PEAR_TASK_ERROR_INVALID, 'Post-install script "' .
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$fileXml['name'] . '" parameter "' .
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$subparam[$tasksNamespace . 'name'] .
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'" for ' . $tasksNamespace . 'paramgroup> id "' .
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$param[$tasksNamespace . 'id'] .
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'" must have a ' . $tasksNamespace . 'type> tag');
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}
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$definedparams[] = $param[$tasksNamespace . 'id'] . '::' .
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$subparam[$tasksNamespace . 'name'];
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}
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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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* Initialize a task instance with the parameters
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* @param array raw, parsed xml
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* @param array attributes from the <file> tag containing this task
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* @param string|null last installed version of this package, if any (useful for upgrades)
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*/
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function init($xml, $fileattribs, $lastversion)
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{
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$this->_class = str_replace('/', '_', $fileattribs['name']);
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$this->_filename = $fileattribs['name'];
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$this->_class = str_replace ('.php', '', $this->_class) . '_postinstall';
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$this->_params = $xml;
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$this->_lastversion = $lastversion;
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}
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/**
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* Strip the tasks: namespace from internal params
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*
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* @access private
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*/
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function _stripNamespace($params = null)
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{
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if ($params === null) {
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$params = array();
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if (!is_array($this->_params)) {
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return;
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}
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foreach ($this->_params as $i => $param) {
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if (is_array($param)) {
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$param = $this->_stripNamespace($param);
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}
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$params[str_replace($this->_pkg->getTasksNs() . ':', '', $i)] = $param;
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}
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$this->_params = $params;
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} else {
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$newparams = array();
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foreach ($params as $i => $param) {
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if (is_array($param)) {
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$param = $this->_stripNamespace($param);
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}
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$newparams[str_replace($this->_pkg->getTasksNs() . ':', '', $i)] = $param;
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}
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return $newparams;
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}
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}
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/**
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* Unlike other tasks, the installed file name is passed in instead of the file contents,
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* because this task is handled post-installation
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* @param PEAR_PackageFile_v1|PEAR_PackageFile_v2
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* @param string file name
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* @return bool|PEAR_Error false to skip this file, PEAR_Error to fail
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* (use $this->throwError)
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*/
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function startSession($pkg, $contents)
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{
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if ($this->installphase != PEAR_TASK_INSTALL) {
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return false;
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}
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// remove the tasks: namespace if present
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$this->_pkg = $pkg;
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$this->_stripNamespace();
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$this->logger->log(0, 'Including external post-installation script "' .
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$contents . '" - any errors are in this script');
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include_once $contents;
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if (class_exists($this->_class)) {
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$this->logger->log(0, 'Inclusion succeeded');
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} else {
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return $this->throwError('init of post-install script class "' . $this->_class
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. '" failed');
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}
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$this->_obj = new $this->_class;
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$this->logger->log(1, 'running post-install script "' . $this->_class . '->init()"');
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PEAR::pushErrorHandling(PEAR_ERROR_RETURN);
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$res = $this->_obj->init($this->config, $pkg, $this->_lastversion);
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PEAR::popErrorHandling();
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if ($res) {
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$this->logger->log(0, 'init succeeded');
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} else {
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return $this->throwError('init of post-install script "' . $this->_class .
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'->init()" failed');
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}
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$this->_contents = $contents;
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return true;
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}
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/**
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* No longer used
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* @see PEAR_PackageFile_v2::runPostinstallScripts()
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* @param array an array of tasks
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* @param string install or upgrade
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* @access protected
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* @static
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*/
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function run()
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{
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}
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}
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?>
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