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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: 1.10.13
* @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)
{
}
}
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