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<?php /** * <tasks:postinstallscript> * * PHP versions 4 and 5 * * @category pear * @package PEAR * @author Greg Beaver <cellog@php.net> * @copyright 1997-2009 The Authors * @license http://opensource.org/licenses/bsd-license.php New BSD License * @link http://pear.php.net/package/PEAR * @since File available since Release 1.4.0a1 / /* * Base class / require_once 'PEAR/Task/Common.php'; /* * Implements the postinstallscript file task. * * Note that post-install scripts are handled separately from installation, by the * "pear run-scripts" command * * @category pear * @package PEAR * @author Greg Beaver <cellog@php.net> * @copyright 1997-2009 The Authors * @license http://opensource.org/licenses/bsd-license.php New BSD License * @version Release: 1.10.16 * @link http://pear.php.net/package/PEAR * @since Class available since Release 1.4.0a1 / class PEAR_Task_Postinstallscript extends PEAR_Task_Common { public $type = 'script'; public $_class; public $_params; public $_obj; /* * * @var PEAR_PackageFile_v2 / public $_pkg; public $_contents; public $phase = PEAR_TASK_INSTALL; /* * Validate the raw xml at parsing-time. * * This also attempts to validate the script to make sure it meets the criteria * for a post-install script * * @param PEAR_PackageFile_v2 * @param array The XML contents of the <postinstallscript> tag * @param PEAR_Config * @param array the entire parsed <file> tag / public static function validateXml($pkg, $xml, $config, $fileXml) { if ($fileXml['role'] != 'php') { return array(PEAR_TASK_ERROR_INVALID, 'Post-install script "'. $fileXml['name'].'" must be role="php"', ); } PEAR::pushErrorHandling(PEAR_ERROR_RETURN); $file = $pkg->getFileContents($fileXml['name']); if (PEAR::isError($file)) { PEAR::popErrorHandling(); return array(PEAR_TASK_ERROR_INVALID, 'Post-install script "'. $fileXml['name'].'" is not valid: '. $file->getMessage(), ); } elseif ($file === null) { return array(PEAR_TASK_ERROR_INVALID, 'Post-install script "'. $fileXml['name'].'" could not be retrieved for processing!', ); } else { $analysis = $pkg->analyzeSourceCode($file, true); if (!$analysis) { PEAR::popErrorHandling(); $warnings = ''; foreach ($pkg->getValidationWarnings() as $warn) { $warnings .= $warn['message']."\n"; } return array(PEAR_TASK_ERROR_INVALID, 'Analysis of post-install script "'. $fileXml['name'].'" failed: '.$warnings, ); } if (count($analysis['declared_classes']) != 1) { PEAR::popErrorHandling(); return array(PEAR_TASK_ERROR_INVALID, 'Post-install script "'. $fileXml['name'].'" must declare exactly 1 class', ); } $class = $analysis['declared_classes'][0]; if ($class != str_replace( array('/', '.php'), array('_', ''), $fileXml['name'] ).'_postinstall') { PEAR::popErrorHandling(); return array(PEAR_TASK_ERROR_INVALID, 'Post-install script "'. $fileXml['name'].'" class "'.$class.'" must be named "'. str_replace( array('/', '.php'), array('_', ''), $fileXml['name'] ).'_postinstall"', ); } if (!isset($analysis['declared_methods'][$class])) { PEAR::popErrorHandling(); return array(PEAR_TASK_ERROR_INVALID, 'Post-install script "'. $fileXml['name'].'" must declare methods init() and run()', ); } $methods = array('init' => 0, 'run' => 1); foreach ($analysis['declared_methods'][$class] as $method) { if (isset($methods[$method])) { unset($methods[$method]); } } if (count($methods)) { PEAR::popErrorHandling(); return array(PEAR_TASK_ERROR_INVALID, 'Post-install script "'. $fileXml['name'].'" must declare methods init() and run()', ); } } PEAR::popErrorHandling(); $definedparams = array(); $tasksNamespace = $pkg->getTasksNs().':'; if (!isset($xml[$tasksNamespace.'paramgroup']) && isset($xml['paramgroup'])) { // in order to support the older betas, which did not expect internal tags // to also use the namespace $tasksNamespace = ''; } if (isset($xml[$tasksNamespace.'paramgroup'])) { $params = $xml[$tasksNamespace.'paramgroup']; if (!is_array($params) \|\| !isset($params[0])) { $params = array($params); } foreach ($params as $param) { if (!isset($param[$tasksNamespace.'id'])) { return array(PEAR_TASK_ERROR_INVALID, 'Post-install script "'. $fileXml['name'].'" <paramgroup> must have '. 'an '.$tasksNamespace.'id> tag', ); } if (isset($param[$tasksNamespace.'name'])) { if (!in_array($param[$tasksNamespace.'name'], $definedparams)) { return array(PEAR_TASK_ERROR_INVALID, 'Post-install script "'. $fileXml['name'].'" '.$tasksNamespace. 'paramgroup> id "'.$param[$tasksNamespace.'id']. '" parameter "'.$param[$tasksNamespace.'name']. '" has not been previously defined', ); } if (!isset($param[$tasksNamespace.'conditiontype'])) { return array(PEAR_TASK_ERROR_INVALID, 'Post-install script "'. $fileXml['name'].'" '.$tasksNamespace. 'paramgroup> id "'.$param[$tasksNamespace.'id']. '" must have a '.$tasksNamespace. 'conditiontype> tag containing either "=", '. '"!=", or "preg_match"', ); } if (!in_array( $param[$tasksNamespace.'conditiontype'], array('=', '!=', 'preg_match') )) { return array(PEAR_TASK_ERROR_INVALID, 'Post-install script "'. $fileXml['name'].'" '.$tasksNamespace. 'paramgroup> id "'.$param[$tasksNamespace.'id']. '" must have a '.$tasksNamespace. 'conditiontype> tag containing either "=", '. '"!=", or "preg_match"', ); } if (!isset($param[$tasksNamespace.'value'])) { return array(PEAR_TASK_ERROR_INVALID, 'Post-install script "'. $fileXml['name'].'" '.$tasksNamespace. 'paramgroup> id "'.$param[$tasksNamespace.'id']. '" must have a '.$tasksNamespace. 'value> tag containing expected parameter value', ); } } if (isset($param[$tasksNamespace.'instructions'])) { if (!is_string($param[$tasksNamespace.'instructions'])) { return array(PEAR_TASK_ERROR_INVALID, 'Post-install script "'. $fileXml['name'].'" '.$tasksNamespace. 'paramgroup> id "'.$param[$tasksNamespace.'id']. '" '.$tasksNamespace.'instructions> must be simple text', ); } } if (!isset($param[$tasksNamespace.'param'])) { continue; // <param> is no longer required } $subparams = $param[$tasksNamespace.'param']; if (!is_array($subparams) \|\| !isset($subparams[0])) { $subparams = array($subparams); } foreach ($subparams as $subparam) { if (!isset($subparam[$tasksNamespace.'name'])) { return array(PEAR_TASK_ERROR_INVALID, 'Post-install script "'. $fileXml['name'].'" parameter for '. $tasksNamespace.'paramgroup> id "'. $param[$tasksNamespace.'id'].'" must have '. 'a '.$tasksNamespace.'name> tag', ); } if (!preg_match( '/[a-zA-Z0-9]+/', $subparam[$tasksNamespace.'name'] )) { return array(PEAR_TASK_ERROR_INVALID, 'Post-install script "'. $fileXml['name'].'" parameter "'. $subparam[$tasksNamespace.'name']. '" for '.$tasksNamespace.'paramgroup> id "'. $param[$tasksNamespace.'id']. '" is not a valid name. Must contain only alphanumeric characters', ); } if (!isset($subparam[$tasksNamespace.'prompt'])) { return array(PEAR_TASK_ERROR_INVALID, 'Post-install script "'. $fileXml['name'].'" parameter "'. $subparam[$tasksNamespace.'name']. '" for '.$tasksNamespace.'paramgroup> id "'. $param[$tasksNamespace.'id']. '" must have a '.$tasksNamespace.'prompt> tag', ); } if (!isset($subparam[$tasksNamespace.'type'])) { return array(PEAR_TASK_ERROR_INVALID, 'Post-install script "'. $fileXml['name'].'" parameter "'. $subparam[$tasksNamespace.'name']. '" for '.$tasksNamespace.'paramgroup> id "'. $param[$tasksNamespace.'id']. '" must have a '.$tasksNamespace.'type> tag', ); } $definedparams[] = $param[$tasksNamespace.'id'].'::'. $subparam[$tasksNamespace.'name']; } } } return true; } /* * Initialize a task instance with the parameters * @param array $xml raw, parsed xml * @param array $fileattribs attributes from the <file> tag containing * this task * @param string\|null $lastversion last installed version of this package, * if any (useful for upgrades) / public function init($xml, $fileattribs, $lastversion) { $this->_class = str_replace('/', '_', $fileattribs['name']); $this->_filename = $fileattribs['name']; $this->_class = str_replace('.php', '', $this->_class).'_postinstall'; $this->_params = $xml; $this->_lastversion = $lastversion; } /* * Strip the tasks: namespace from internal params * * @access private / public function _stripNamespace($params = null) { if ($params === null) { $params = array(); if (!is_array($this->_params)) { return; } foreach ($this->_params as $i => $param) { if (is_array($param)) { $param = $this->_stripNamespace($param); } $params[str_replace($this->_pkg->getTasksNs().':', '', $i)] = $param; } $this->_params = $params; } else { $newparams = array(); foreach ($params as $i => $param) { if (is_array($param)) { $param = $this->_stripNamespace($param); } $newparams[str_replace($this->_pkg->getTasksNs().':', '', $i)] = $param; } return $newparams; } } /* * Unlike other tasks, the installed file name is passed in instead of the * file contents, because this task is handled post-installation * * @param mixed $pkg PEAR_PackageFile_v1\|PEAR_PackageFile_v2 * @param string $contents file name * @param string $dest the eventual final file location (informational only) * * @return bool\|PEAR_Error false to skip this file, PEAR_Error to fail * (use $this->throwError) / public function startSession($pkg, $contents, $dest) { if ($this->installphase != PEAR_TASK_INSTALL) { return false; } // remove the tasks: namespace if present $this->_pkg = $pkg; $this->_stripNamespace(); $this->logger->log( 0, 'Including external post-installation script "'. $contents.'" - any errors are in this script' ); include_once $contents; if (class_exists($this->_class)) { $this->logger->log(0, 'Inclusion succeeded'); } else { return $this->throwError( 'init of post-install script class "'.$this->_class .'" failed' ); } $this->_obj = new $this->_class(); $this->logger->log(1, 'running post-install script "'.$this->_class.'->init()"'); PEAR::pushErrorHandling(PEAR_ERROR_RETURN); $res = $this->_obj->init($this->config, $pkg, $this->_lastversion); PEAR::popErrorHandling(); if ($res) { $this->logger->log(0, 'init succeeded'); } else { return $this->throwError( 'init of post-install script "'.$this->_class. '->init()" failed' ); } $this->_contents = $contents; return true; } /* * No longer used * * @see PEAR_PackageFile_v2::runPostinstallScripts() * @param array an array of tasks * @param string install or upgrade * @access protected */ public static function run($tasks) { } }