<?php
/**
 * Plugin Name:     Gitium
 * Plugin URI:      https://www.presslabs.com/gitium/
 * Description:     Keep all your code on git version control system.
 * Author:          PRESSINFRA SRL
 * Author URI:      https://www.presslabs.com
 * Text Domain:     gitium
 * Domain Path:     /languages
 * Version:         1.2.1
 * License:         GPL3
 *
 * Gitium provides automatic git version control and deployment for
 * your plugins and themes integrated into wp-admin.
 *
 * Copyright (C) 2014-2025 PRESSINFRA SRL <ping@presslabs.com>
 *
 * Gitium is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * any later version.
 *
 * Gitium is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Gitium. If not, see <http://www.gnu.org/licenses/>.
 *
 * @package         Gitium
 */

define( 'GITIUM_LAST_COMMITS', 20 );
define( 'GITIUM_MIN_GIT_VER', '1.7' );
define( 'GITIUM_MIN_PHP_VER', '5.6' );

if ( is_multisite() ) {
	define( 'GITIUM_ADMIN_MENU_ACTION', 'network_admin_menu' );
	define( 'GITIUM_ADMIN_NOTICES_ACTION', 'network_admin_notices' );
	define( 'GITIUM_MANAGE_OPTIONS_CAPABILITY', 'manage_network_options' );
} else {
	define( 'GITIUM_ADMIN_MENU_ACTION', 'admin_menu' );
	define( 'GITIUM_ADMIN_NOTICES_ACTION', 'admin_notices' );
	define( 'GITIUM_MANAGE_OPTIONS_CAPABILITY', 'manage_options' );
}

require_once __DIR__ . '/functions.php';
require_once __DIR__ . '/inc/class-git-wrapper.php';
require_once __DIR__ . '/inc/class-gitium-requirements.php';
require_once __DIR__ . '/inc/class-gitium-admin.php';
require_once __DIR__ . '/inc/class-gitium-help.php';
require_once __DIR__ . '/inc/class-gitium-menu.php';
require_once __DIR__ . '/inc/class-gitium-menu-bubble.php';
require_once __DIR__ . '/inc/class-gitium-submenu-configure.php';
require_once __DIR__ . '/inc/class-gitium-submenu-status.php';
require_once __DIR__ . '/inc/class-gitium-submenu-commits.php';
require_once __DIR__ . '/inc/class-gitium-submenu-settings.php';

function gitium_load_textdomain() {
	load_plugin_textdomain( 'gitium', false, dirname( plugin_basename( __FILE__ ) ) . '/languages/' );
}
add_action( 'plugins_loaded', 'gitium_load_textdomain' );

function _gitium_make_ssh_git_file_exe() {
	$ssh_wrapper = dirname( __FILE__ ) . '/inc/ssh-git';
	$process = proc_open(
		"chmod -f +x $ssh_wrapper",
		array(
			0 => array( 'pipe', 'r' ),  // stdin
			1 => array( 'pipe', 'w' ),  // stdout
		),
		$pipes
	);
	if ( is_resource( $process ) ) {
		fclose( $pipes[0] );
		proc_close( $process );
	}
}
register_activation_hook( __FILE__, '_gitium_make_ssh_git_file_exe' );

function gitium_deactivation() {
	delete_transient( 'gitium_git_version' );
}
register_deactivation_hook( __FILE__, 'gitium_deactivation' );

function gitium_uninstall_hook() {
	delete_transient( 'gitium_remote_tracking_branch' );
	delete_transient( 'gitium_remote_disconnected' );
	delete_transient( 'gitium_uncommited_changes' );
	delete_transient( 'gitium_git_version' );
	delete_transient( 'gitium_versions' );
	delete_transient( 'gitium_menu_bubble' );
	delete_transient( 'gitium_is_status_working' );

	delete_option( 'gitium_keypair' );
	delete_option( 'gitium_webhook_key' );
}
register_uninstall_hook( __FILE__, 'gitium_uninstall_hook' );

/* Array
(
    [themes] => Array
        (
            [twentytwelve] => `Twenty Twelve` version 1.3
        )
    [plugins] => Array
        (
            [cron-view/cron-gui.php] => `Cron GUI` version 1.03
            [hello-dolly/hello.php] => `Hello Dolly` version 1.6
        )

) */
function gitium_update_versions() {
	$new_versions = [];

	// get all themes from WP
	$all_themes = wp_get_themes( array( 'allowed' => true ) );
	foreach ( $all_themes as $theme_name => $theme ) :
		$theme_versions[ $theme_name ] = array(
			'name'    => $theme->Name,
			'version' => null,
			'msg'     => '',
		);
		$theme_versions[ $theme_name ]['msg'] = '`' . $theme->Name . '`';
		$version = $theme->Version;
		if ( ! empty( $version ) ) {
			$theme_versions[ $theme_name ]['msg']     .= " version $version";
			$theme_versions[ $theme_name ]['version'] .= $version;
		}
	endforeach;

	if ( ! empty( $theme_versions ) ) {
		$new_versions['themes'] = $theme_versions;
	}
	// get all plugins from WP
	if ( ! function_exists( 'get_plugins' ) ) {
		require_once ABSPATH . 'wp-admin/includes/plugin.php';
	}
	$all_plugins = get_plugins();
	foreach ( $all_plugins as $name => $data ) :
		$plugin_versions[ $name ] = array(
			'name'    => $data['Name'],
			'version' => null,
			'msg'     => '',
		);
		$plugin_versions[ $name ]['msg'] = "`{$data['Name']}`";
		if ( ! empty( $data['Version'] ) ) {
			$plugin_versions[ $name ]['msg']     .= ' version ' . $data['Version'];
			$plugin_versions[ $name ]['version'] .= $data['Version'];
		}
	endforeach;

	if ( ! empty( $plugin_versions ) ) {
		$new_versions['plugins'] = $plugin_versions;
	}

	set_transient( 'gitium_versions', $new_versions );

	return $new_versions;
}
add_action( 'load-plugins.php', 'gitium_update_versions', 999 );

function gitium_upgrader_post_install( $res, $hook_extra, $result ) {
	_gitium_make_ssh_git_file_exe();

	$action = null;
	$type   = null;

	// install logic
	if ( isset( $hook_extra['type'] ) && ( 'plugin' === $hook_extra['type'] ) ) {
		$action = 'installed';
		$type   = 'plugin';
	} else if ( isset( $hook_extra['type'] ) && ( 'theme' === $hook_extra['type'] ) ) {
		$action = 'installed';
		$type   = 'theme';
        }

	// update/upgrade logic
	if ( isset( $hook_extra['plugin'] ) ) {
		$action = 'updated';
		$type   = 'plugin';
	} else if ( isset( $hook_extra['theme'] ) ) {
		$action = 'updated';
		$type   = 'theme';
	}

	// get action if missed above
	if ( isset( $hook_extra['action'] ) ) {
		$action = $hook_extra['action'];
		if ( 'install' === $action ) {
			$action = 'installed';
		}
		if ( 'update' === $action ) {
			$action = 'updated';
		}
	}

	if ( WP_DEBUG ) {
		error_log( __FUNCTION__ . ':hook_extra:' . serialize( $hook_extra ) );
		error_log( __FUNCTION__ . ':action:type:' . $action . ':' . $type );
	}

	$git_dir = $result['destination'];
	$version = '';

	if ( ABSPATH == substr( $git_dir, 0, strlen( ABSPATH ) ) ) {
		$git_dir = substr( $git_dir, strlen( ABSPATH ) );
	}
	switch ( $type ) {
		case 'theme':
			wp_clean_themes_cache();
			$theme_data = wp_get_theme( $result['destination_name'] );
			$name       = $theme_data->get( 'Name' );
			$version    = $theme_data->get( 'Version' );
		break;
		case 'plugin':
			foreach ( $result['source_files'] as $file ) :
				if ( '.php' != substr( $file, -4 ) ) { continue; }
				// every .php file is a possible plugin so we check if it's a plugin
				$filepath    = trailingslashit( $result['destination'] ) . $file;
				$plugin_data = get_plugin_data( $filepath );
				if ( $plugin_data['Name'] ) :
					$name    = $plugin_data['Name'];
					$version = $plugin_data['Version'];
					// We get info from the first plugin in the package
					break;
				endif;
			endforeach;
		break;
	}
	if ( empty( $name ) ) {
		$name = $result['destination_name'];
	}
	$commit_message = _gitium_format_message( $name,$version,"$action $type" );
	$commit = _gitium_commit_changes( $commit_message, $git_dir, false );
	gitium_merge_and_push( $commit );

	return $res;
}
add_filter( 'upgrader_post_install', 'gitium_upgrader_post_install', 10, 3 );

// Checks for local changes, tries to group them by plugin/theme and pushes the changes
function gitium_auto_push( $msg_prepend = '' ) {
	global $git;
	list( , $git_private_key ) = gitium_get_keypair();
	if ( ! $git_private_key )
		return;
	$git->set_key( $git_private_key );

	$commits = gitium_group_commit_modified_plugins_and_themes( $msg_prepend );
	gitium_merge_and_push( $commits );
	gitium_update_versions();
}
add_action( 'upgrader_process_complete', 'gitium_auto_push', 11, 0 );

function gitium_check_after_activate_modifications( $plugin ) {
	gitium_check_after_event( $plugin );
}
add_action( 'activated_plugin', 'gitium_check_after_activate_modifications', 999 );

function gitium_check_after_deactivate_modifications( $plugin ) {
	gitium_check_after_event( $plugin, 'deactivation' );
}
add_action( 'deactivated_plugin', 'gitium_check_after_deactivate_modifications', 999 );

function gitium_check_for_plugin_deletions() { // Handle plugin deletion
    // $_GET['deleted'] used to resemble if a plugin has been deleted (true)
    // ...meanwhile commit b28dd45f3dad19f0e06c546fdc89ed5b24bacd72 in github.com/WordPress/WordPress...
    // Now it resembles the number of deleted plugins (a number). Thanks WP
	if ( isset( $_GET['deleted'] ) && ( 1 <= (int) $_GET['deleted'] || 'true' == $_GET['deleted'] ) ) {
		gitium_auto_push();
	}
}
add_action( 'load-plugins.php', 'gitium_check_for_plugin_deletions' );

add_action( 'wp_ajax_wp-plugin-delete-success', 'gitium_auto_push' );
add_action( 'wp_ajax_wp-theme-delete-success', 'gitium_auto_push' );

function gitium_wp_plugin_delete_success() {
?>
	<script type='text/javascript'>
			jQuery(document).ready(function() {
					jQuery(document).on( 'wp-plugin-delete-success', function() {
							jQuery.post(ajaxurl, data={'action': 'wp-plugin-delete-success'});
					});
			});
	</script>
<?php
}
add_action( 'admin_head', 'gitium_wp_plugin_delete_success' );

function gitium_wp_theme_delete_success() {
?>
	<script type='text/javascript'>
			jQuery(document).ready(function() {
					jQuery(document).on( 'wp-theme-delete-success', function() {
							jQuery.post(ajaxurl, data={'action': 'wp-theme-delete-success'});
					});
			});
	</script>
<?php
}
add_action( 'admin_head', 'gitium_wp_theme_delete_success' );

function gitium_check_for_themes_deletions() { // Handle theme deletion
	if ( isset( $_GET['deleted'] ) && 'true' == $_GET['deleted'] ) {
		gitium_auto_push();
	}
}
add_action( 'load-themes.php', 'gitium_check_for_themes_deletions' );

// Deprecated function - backward compatibility
function gitium_hook_plugin_and_theme_editor_page( $hook )
{
    switch ($hook) {
        case 'plugin-editor.php':
            if (isset($_GET['a']) && 'te' == $_GET['a']) {
                gitium_auto_push();
            }
            break;

        case 'theme-editor.php':
            if (isset($_GET['updated']) && 'true' == $_GET['updated']) {
                gitium_auto_push();
            }
            break;
    }

    return;
}

/*
 * We execute the "gitium_auto_push" on "wp_die_ajax_handler" filter to make sure we are
 * at the end of our request and the latest file is saved on disk.
 */
function gitium_check_ajax_success_call($callback)
{
    gitium_auto_push();

    return $callback;
}

/*
 * We add this filer on "wp_die_ajax_handler" since our action executes before the actual file is saved on disk
 * which results in a race condition that would commit only the previously saved data not the
 * currently saved one.
 */
function add_filter_for_ajax_save()
{
	add_filter('wp_die_ajax_handler', 'gitium_check_ajax_success_call', 1);
}

/*
 * We need to apply different filters while checking for WP version to maintain
 * backworks compatibility since the Code Editor has changed drastically
 * with the 4.9 WP update.
 */
if ( version_compare( $GLOBALS['wp_version'], '4.9', '>=' ) )
    add_action( 'wp_ajax_edit-theme-plugin-file', 'add_filter_for_ajax_save', 1, 0 );
else
    add_action( 'admin_enqueue_scripts', 'gitium_hook_plugin_and_theme_editor_page' );

function gitium_options_page_check() {
	global $git;
	if ( ! $git->can_exec_git() ) { wp_die( 'Cannot exec git' ); }
	return true;
}

function gitium_remote_disconnected_notice() {
	if ( current_user_can( GITIUM_MANAGE_OPTIONS_CAPABILITY ) && $message = get_transient( 'gitium_remote_disconnected' ) ) : ?>
		<div class="error-nag error">
			<p>
				Could not connect to remote repository.
				<pre><?php echo esc_html( $message ); ?></pre>
			</p>
		</div>
	<?php endif;
}
add_action( 'admin_notices', 'gitium_remote_disconnected_notice' );