mirror of
https://github.com/joomla-extensions/patchtester.git
synced 2024-12-24 20:00:26 +00:00
217 lines
5.8 KiB
PHP
217 lines
5.8 KiB
PHP
<?php
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/**
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* @package PatchTester
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* @copyright Copyright (C) 2011 Ian MacLennan, Inc. All rights reserved.
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* @license GNU General Public License version 2 or later; see LICENSE.txt
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*/
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defined('_JEXEC') or die;
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/**
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* Methods supporting pull requests.
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*
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* @package PatchTester
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*/
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class PatchtesterModelPull extends JModel
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{
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/**
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* Method to auto-populate the model state.
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*
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* Note. Calling getState in this method will result in recursion.
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*
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* @since 1.6
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*/
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protected function populateState()
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{
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// Load the parameters.
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$params = JComponentHelper::getParams('com_patchtester');
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$this->setState('params', $params);
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$this->setState('github_user', $params->get('org', 'joomla'));
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$this->setState('github_repo', $params->get('repo', 'joomla-cms'));
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parent::populateState();
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}
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protected function parsePatch($patch)
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{
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$state = 0;
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$files = array();
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$lines = explode("\n", $patch);
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foreach ($lines AS $line) {
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switch ($state)
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{
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case 0:
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if (strpos($line, 'diff --git') === 0) {
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$state = 1;
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}
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$file = new stdClass;
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$file->action = 'modified';
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break;
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case 1:
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if (strpos($line, 'index') === 0) {
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$file->index = substr($line, 6);
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}
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if (strpos($line, '---') === 0) {
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$file->old = substr($line, 6);
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}
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if (strpos($line, '+++') === 0) {
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$file->new = substr($line, 6);
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}
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if (strpos($line, 'new file mode') === 0) {
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$file->action = 'added';
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}
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if (strpos($line, 'deleted file mode') === 0) {
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$file->action = 'deleted';
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}
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if (strpos($line, '@@') === 0) {
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$state = 0;
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$files[] = $file;
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}
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break;
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}
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}
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return $files;
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}
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public function apply($id)
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{
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jimport('joomla.client.github');
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jimport('joomla.client.curl');
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$table = JTable::getInstance('tests', 'PatchTesterTable');
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$github = new JGithub;
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$pull = $github->pulls->get($this->getState('github_user'), $this->getState('github_repo'), $id);
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if (is_null($pull->head->repo)) {
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throw new Exception(JText::_('COM_PATCHTESTER_REPO_IS_GONE'));
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}
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$patch = JCurl::getAdapter($pull->diff_url)
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->fetch()->body;
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$files = $this->parsePatch($patch);
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foreach($files AS $file) {
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if ($file->action == 'deleted' && ! file_exists(JPATH_ROOT . '/' . $file->old)) {
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throw new Exception(sprintf(JText::_('COM_PATCHTESTER_FILE_DELETED_DOES_NOT_EXIST_S'), $file->old));
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}
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if ($file->action == 'added' || $file->action == 'modified') {
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// if the backup file already exists, we can't apply the patch
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if (file_exists(JPATH_COMPONENT . '/backups/' . md5($file->new) . '.txt')) {
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throw new Exception(sprintf(JText::_('COM_PATCHTESTER_CONFLICT_S'), $file->new));
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}
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if ($file->action == 'modified' && ! file_exists(JPATH_ROOT . '/' . $file->old)) {
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throw new Exception(sprintf(JText::_('COM_PATCHTESTER_FILE_MODIFIED_DOES_NOT_EXIST_S'), $file->old));
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}
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$url = 'https://raw.github.com/' . $pull->head->user->login . '/' . $pull->head->repo->name . '/' .
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$pull->head->ref . '/' . $file->new;
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$file->body = JCurl::getAdapter($url)
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->fetch()->body;
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}
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}
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// at this point, we have ensured that we have all the new files and there are no conflicts
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foreach ($files AS $file)
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{
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// we only create a backup if the file already exists
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if ($file->action == 'deleted' || (file_exists(JPATH_ROOT . '/' . $file->new) && $file->action == 'modified')) {
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if( ! JFile::copy(JPath::clean(JPATH_ROOT . '/' . $file->old), JPATH_COMPONENT . '/backups/' . md5($file->old) . '.txt')) {
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throw new Exception(sprintf('Can not copy file %s to %s'
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, JPATH_ROOT . '/' . $file->old, JPATH_COMPONENT . '/backups/' . md5($file->old) . '.txt'));
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}
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}
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switch ($file->action)
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{
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case 'modified':
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case 'added':
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if( ! JFile::write(JPath::clean(JPATH_ROOT . '/' . $file->new), $file->body)) {
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throw new Exception(sprintf('Can not write the file: %s', JPATH_ROOT . '/' . $file->new));
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}
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break;
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case 'deleted':
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if( ! JFile::delete(JPATH::clean(JPATH_ROOT . '/' . $file->old))) {
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throw new Exception(sprintf('Can not delete the file: %s', JPATH_ROOT . '/' . $file->old));
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}
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break;
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}
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}
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$table->pull_id = $pull->number;
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$table->data = json_encode($files);
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$table->patched_by = JFactory::getUser()->id;
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$table->applied = 1;
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$version = new JVersion;
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$table->applied_version = $version->getShortVersion();
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if ( ! $table->store()) {
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throw new Exception($table->getError());
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}
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return true;
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}
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public function revert($id)
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{
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$table = JTable::getInstance('tests', 'PatchTesterTable');
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$table->load($id);
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// we don't want to restore files from an older version
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$version = new JVersion;
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if ($table->applied_version != $version->getShortVersion()) {
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$table->applied = 0;
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$table->applied_version = '';
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$table->store();
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return true;
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}
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$files = json_decode($table->data);
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foreach ($files AS $file) {
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switch ($file->action) {
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case 'deleted':
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case 'modified':
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if ( ! JFile::copy(JPATH_COMPONENT . '/backups/' . md5($file->old) . '.txt', JPATH_ROOT . '/' . $file->old)) {
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throw new Exception(sprintf('Can not copy file %s to %s'
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, JPATH_COMPONENT . '/backups/' . md5($file->old) . '.txt'
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, JPATH_ROOT . '/' . $file->old));
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}
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if ( ! JFile::delete(JPATH_COMPONENT . '/backups/' . md5($file->old) . '.txt')) {
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throw new Exception(sprintf('Can not delete the file: %s'
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, JPATH_COMPONENT . '/backups/' . md5($file->old) . '.txt'));
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}
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break;
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case 'added':
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if ( ! JFile::delete(JPath::clean(JPATH_ROOT . '/' . $file->new))) {
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throw new Exception(sprintf('Can not delete the file: %s', JPATH_ROOT . '/' . $file->new));
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}
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break;
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}
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}
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$table->applied_version = '';
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$table->applied = 0;
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$table->store();
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return true;
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}
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}
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