421 lines
12 KiB
PHP
421 lines
12 KiB
PHP
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<?php
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/* Copyright 2014-2016 Presslabs SRL <ping@presslabs.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License, version 2, as
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published by the Free Software Foundation.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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function gitium_error_log( $message ) {
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if ( ! defined( 'WP_DEBUG' ) || ! WP_DEBUG ) { return; }
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error_log( "gitium_error_log: $message" );
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}
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function wp_content_is_versioned() {
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return file_exists( WP_CONTENT_DIR . '/.git' );
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}
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if ( ! function_exists( 'gitium_enable_maintenance_mode' ) ) :
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function gitium_enable_maintenance_mode() {
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$file = ABSPATH . '/.maintenance';
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if ( false === file_put_contents( $file, '<?php $upgrading = ' . time() .';' ) ) {
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return false;
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} else {
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return true;
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}
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}
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endif;
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if ( ! function_exists( 'gitium_disable_maintenance_mode' ) ) :
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function gitium_disable_maintenance_mode() {
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return unlink( ABSPATH . '/.maintenance' );
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}
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endif;
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function gitium_get_versions() {
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$versions = get_transient( 'gitium_versions' );
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if ( empty( $versions ) ) {
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$versions = gitium_update_versions();
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}
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return $versions;
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}
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function _gitium_commit_changes( $message, $dir = '.' ) {
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global $git;
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list( , $git_private_key ) = gitium_get_keypair();
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if (!$git_private_key)
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return false;
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$git->set_key( $git_private_key );
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$git->add( $dir );
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gitium_update_versions();
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$current_user = wp_get_current_user();
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return $git->commit( $message, $current_user->display_name, $current_user->user_email );
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}
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function _gitium_format_message( $name, $version = false, $prefix = '' ) {
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$commit_message = "`$name`";
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if ( $version ) {
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$commit_message .= " version $version";
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}
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if ( $prefix ) {
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$commit_message = "$prefix $commit_message";
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}
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return $commit_message;
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}
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/**
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* This function return the basic info about a path.
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*
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* base_path - means the path after wp-content dir (themes/plugins)
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* type - can be file/theme/plugin
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* name - the file name of the path, if it is a file, or the theme/plugin name
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* version - the theme/plugin version, othewise null
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*/
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/* Some examples:
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with 'wp-content/themes/twentyten/style.css' will return:
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array(
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'base_path' => 'wp-content/themes/twentyten'
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'type' => 'theme'
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'name' => 'TwentyTen'
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'version' => '1.12'
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)
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with 'wp-content/themes/twentyten/img/foo.png' will return:
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array(
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'base_path' => 'wp-content/themes/twentyten'
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'type' => 'theme'
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'name' => 'TwentyTen'
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'version' => '1.12'
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)
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with 'wp-content/plugins/foo.php' will return:
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array(
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'base_path' => 'wp-content/plugins/foo.php'
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'type' => 'plugin'
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'name' => 'Foo'
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'varsion' => '2.0'
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)
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with 'wp-content/plugins/autover/autover.php' will return:
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array(
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'base_path' => 'wp-content/plugins/autover'
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'type' => 'plugin'
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'name' => 'autover'
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'version' => '3.12'
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)
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with 'wp-content/plugins/autover/' will return:
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array(
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'base_path' => 'wp-content/plugins/autover'
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'type' => 'plugin'
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'name' => 'autover'
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'version' => '3.12'
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)
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*/
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function _gitium_module_by_path( $path ) {
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$versions = gitium_get_versions();
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// default values
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$module = array(
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'base_path' => $path,
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'type' => 'file',
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'name' => basename( $path ),
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'version' => null,
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);
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// find the base_path
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$split_path = explode( '/', $path );
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if ( 2 < count( $split_path ) ) {
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$module['base_path'] = "{$split_path[0]}/{$split_path[1]}/{$split_path[2]}";
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}
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// find other data for theme
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if ( array_key_exists( 'themes', $versions ) && 0 === strpos( $path, 'wp-content/themes/' ) ) {
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$module['type'] = 'theme';
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foreach ( $versions['themes'] as $theme => $data ) {
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if ( 0 === strpos( $path, "wp-content/themes/$theme" ) ) {
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$module['name'] = $data['name'];
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$module['version'] = $data['version'];
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break;
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}
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}
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}
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// find other data for plugin
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if ( array_key_exists( 'plugins', $versions ) && 0 === strpos( $path, 'wp-content/plugins/' ) ) {
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$module['type'] = 'plugin';
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foreach ( $versions['plugins'] as $plugin => $data ) {
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if ( '.' === dirname( $plugin ) ) { // single file plugin
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if ( "wp-content/plugins/$plugin" === $path ) {
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$module['base_path'] = $path;
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$module['name'] = $data['name'];
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$module['version'] = $data['version'];
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break;
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}
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} else if ( 'wp-content/plugins/' . dirname( $plugin ) === $module['base_path'] ) {
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$module['name'] = $data['name'];
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$module['version'] = $data['version'];
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break;
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}
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}
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}
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return $module;
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}
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function gitium_group_commit_modified_plugins_and_themes( $msg_append = '' ) {
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global $git;
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$uncommited_changes = $git->get_local_changes();
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$commit_groups = array();
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$commits = array();
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if ( ! empty( $msg_append ) ) {
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$msg_append = "($msg_append)";
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}
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foreach ( $uncommited_changes as $path => $action ) {
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$change = _gitium_module_by_path( $path );
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$change['action'] = $action;
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$commit_groups[ $change['base_path'] ] = $change;
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}
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foreach ( $commit_groups as $base_path => $change ) {
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$commit_message = _gitium_format_message( $change['name'], $change['version'], "${change['action']} ${change['type']}" );
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$commit = _gitium_commit_changes( "$commit_message $msg_append", $base_path, false );
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if ( $commit ) {
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$commits[] = $commit;
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}
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}
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return $commits;
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}
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function gitium_commit_and_push_gitignore_file( $path = '' ) {
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global $git;
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$current_user = wp_get_current_user();
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if ( ! empty( $path ) ) { $git->rm_cached( $path ); }
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$git->add( '.gitignore' );
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$commit = $git->commit( 'Update the `.gitignore` file', $current_user->display_name, $current_user->user_email );
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gitium_merge_and_push( $commit );
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}
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if ( ! function_exists( 'gitium_acquire_merge_lock' ) ) :
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function gitium_acquire_merge_lock() {
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$gitium_lock_path = apply_filters( 'gitium_lock_path', '/tmp/.gitium-lock' );
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$gitium_lock_handle = fopen( $gitium_lock_path, 'w+' );
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$lock_timeout = intval( ini_get( 'max_execution_time' ) ) > 10 ? intval( ini_get( 'max_execution_time' ) ) - 5 : 10;
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$lock_timeout_ms = 10;
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$lock_retries = 0;
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while ( ! flock( $gitium_lock_handle, LOCK_EX | LOCK_NB ) ) {
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usleep( $lock_timeout_ms * 1000 );
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$lock_retries++;
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if ( $lock_retries * $lock_timeout_ms > $lock_timeout * 1000 ) {
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return false; // timeout
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}
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}
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gitium_error_log( __FUNCTION__ );
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return array( $gitium_lock_path, $gitium_lock_handle );
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}
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endif;
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if ( ! function_exists( 'gitium_release_merge_lock' ) ) :
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function gitium_release_merge_lock( $lock ) {
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list( $gitium_lock_path, $gitium_lock_handle ) = $lock;
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gitium_error_log( __FUNCTION__ );
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flock( $gitium_lock_handle, LOCK_UN );
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fclose( $gitium_lock_handle );
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}
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endif;
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// Merges the commits with remote and pushes them back
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function gitium_merge_and_push( $commits ) {
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global $git;
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$lock = gitium_acquire_merge_lock()
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or trigger_error( 'Timeout when gitium lock was acquired', E_USER_WARNING );
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if ( ! $git->fetch_ref() ) {
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return false;
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}
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$merge_status = $git->merge_with_accept_mine( $commits );
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gitium_release_merge_lock( $lock );
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return $git->push() && $merge_status;
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}
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function gitium_check_after_event( $plugin, $event = 'activation' ) {
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global $git;
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if ( 'gitium/gitium.php' == $plugin ) { return; } // do not hook on activation of this plugin
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if ( $git->is_dirty() ) {
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$versions = gitium_update_versions();
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if ( isset( $versions['plugins'][ $plugin ] ) ) {
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$name = $versions['plugins'][ $plugin ]['name'];
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$version = $versions['plugins'][ $plugin ]['version'];
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} else {
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$name = $plugin;
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}
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gitium_auto_push( _gitium_format_message( $name, $version, "after $event of" ) );
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}
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}
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function gitium_update_remote_tracking_branch() {
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global $git;
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$remote_branch = $git->get_remote_tracking_branch();
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set_transient( 'gitium_remote_tracking_branch', $remote_branch );
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return $remote_branch;
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}
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function _gitium_get_remote_tracking_branch( $update_transient = false ) {
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if ( ! $update_transient && ( false !== ( $remote_branch = get_transient( 'gitium_remote_tracking_branch' ) ) ) ) {
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return $remote_branch;
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} else {
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return gitium_update_remote_tracking_branch();
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}
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}
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function gitium_update_is_status_working() {
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global $git;
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$is_status_working = $git->is_status_working();
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set_transient( 'gitium_is_status_working', $is_status_working );
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return $is_status_working;
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}
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function _gitium_is_status_working( $update_transient = false ) {
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if ( ! $update_transient && ( false !== ( $is_status_working = get_transient( 'gitium_is_status_working' ) ) ) ) {
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return $is_status_working;
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} else {
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return gitium_update_is_status_working();
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}
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}
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function _gitium_status( $update_transient = false ) {
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global $git;
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if ( ! $update_transient && ( false !== ( $changes = get_transient( 'gitium_uncommited_changes' ) ) ) ) {
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return $changes;
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}
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$git_version = get_transient( 'gitium_git_version' );
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if ( false === $git_version ) {
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set_transient( 'gitium_git_version', $git->get_version() );
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}
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if ( $git->is_status_working() && $git->get_remote_tracking_branch() ) {
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if ( ! $git->fetch_ref() ) {
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set_transient( 'gitium_remote_disconnected', $git->get_last_error() );
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} else {
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delete_transient( 'gitium_remote_disconnected' );
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}
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$changes = $git->status();
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} else {
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delete_transient( 'gitium_remote_disconnected' );
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$changes = array();
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}
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set_transient( 'gitium_uncommited_changes', $changes, 12 * 60 * 60 ); // cache changes for half-a-day
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return $changes;
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}
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function _gitium_ssh_encode_buffer( $buffer ) {
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$len = strlen( $buffer );
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if ( ord( $buffer[0] ) & 0x80 ) {
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$len++;
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$buffer = "\x00" . $buffer;
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}
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return pack( 'Na*', $len, $buffer );
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}
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function _gitium_generate_keypair() {
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$rsa_key = openssl_pkey_new(
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array(
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'private_key_bits' => 2048,
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'private_key_type' => OPENSSL_KEYTYPE_RSA,
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)
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);
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try {
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$private_key = openssl_pkey_get_private( $rsa_key );
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$try = openssl_pkey_export( $private_key, $pem ); //Private Key
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if (!$try)
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return false;
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} catch (Exception $e) {
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return false;
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}
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||
|
|
$key_info = openssl_pkey_get_details( $rsa_key );
|
||
|
|
$buffer = pack( 'N', 7 ) . 'ssh-rsa' .
|
||
|
|
_gitium_ssh_encode_buffer( $key_info['rsa']['e'] ) .
|
||
|
|
_gitium_ssh_encode_buffer( $key_info['rsa']['n'] );
|
||
|
|
$public_key = 'ssh-rsa ' . base64_encode( $buffer ) . ' gitium@' . parse_url( get_home_url(), PHP_URL_HOST );
|
||
|
|
|
||
|
|
return array( $public_key, $pem );
|
||
|
|
}
|
||
|
|
|
||
|
|
function gitium_get_keypair( $generate_new_keypair = false ) {
|
||
|
|
if ( $generate_new_keypair ) {
|
||
|
|
$keypair = _gitium_generate_keypair();
|
||
|
|
delete_option( 'gitium_keypair' );
|
||
|
|
add_option( 'gitium_keypair', $keypair, '', false );
|
||
|
|
}
|
||
|
|
if ( false === ( $keypair = get_option( 'gitium_keypair', false ) ) ) {
|
||
|
|
$keypair = _gitium_generate_keypair();
|
||
|
|
add_option( 'gitium_keypair', $keypair, '', false );
|
||
|
|
}
|
||
|
|
return $keypair;
|
||
|
|
}
|
||
|
|
|
||
|
|
function _gitium_generate_webhook_key() {
|
||
|
|
return md5( str_shuffle( 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789.()[]{}-_=+!@#%^&*~<>:;' ) );
|
||
|
|
}
|
||
|
|
|
||
|
|
function gitium_get_webhook_key( $generate_new_webhook_key = false ) {
|
||
|
|
if ( $generate_new_webhook_key ) {
|
||
|
|
$key = _gitium_generate_webhook_key();
|
||
|
|
delete_option( 'gitium_webhook_key' );
|
||
|
|
add_option( 'gitium_webhook_key', $key, '', false );
|
||
|
|
return $key;
|
||
|
|
}
|
||
|
|
if ( false === ( $key = get_option( 'gitium_webhook_key', false ) ) ) {
|
||
|
|
$key = _gitium_generate_webhook_key();
|
||
|
|
add_option( 'gitium_webhook_key', $key, '', false );
|
||
|
|
}
|
||
|
|
return $key;
|
||
|
|
}
|
||
|
|
|
||
|
|
function gitium_get_webhook() {
|
||
|
|
if ( defined( 'GIT_WEBHOOK_URL' ) && GIT_WEBHOOK_URL ) { return GIT_WEBHOOK_URL; }
|
||
|
|
$key = gitium_get_webhook_key();
|
||
|
|
$url = add_query_arg( 'key', $key, plugins_url( 'gitium-webhook.php', __FILE__ ) );
|
||
|
|
return apply_filters( 'gitium_webhook_url', $url, $key );
|
||
|
|
}
|
||
|
|
|
||
|
|
function gitium_admin_init() {
|
||
|
|
global $git;
|
||
|
|
|
||
|
|
$git_version = get_transient( 'gitium_git_version' );
|
||
|
|
if ( false === $git_version ) {
|
||
|
|
set_transient( 'gitium_git_version', $git->get_version() );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
add_action( 'admin_init', 'gitium_admin_init' );
|