118 lines
3.7 KiB
PHP
118 lines
3.7 KiB
PHP
<?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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class Gitium_Requirements {
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private $req = array();
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private $msg = array();
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/**
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* Gitium requires:
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* git min version
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* the function proc_open available
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* PHP min version
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* can exec the file inc/ssh-git
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*/
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public function __construct() {
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$this->_check_req();
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add_action( GITIUM_ADMIN_NOTICES_ACTION, array( $this, 'admin_notices' ) );
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}
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private function _check_req() {
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list($this->req['is_git_version'], $this->msg['is_git_version'] ) = $this->is_git_version();
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list($this->req['is_proc_open'], $this->msg['is_proc_open'] ) = $this->is_proc_open();
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list($this->req['is_php_verion'], $this->msg['is_php_verion'] ) = $this->is_php_version();
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list($this->req['can_exec_ssh_git_file'],$this->msg['can_exec_ssh_git_file']) = $this->can_exec_ssh_git_file();
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return $this->req;
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}
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public function admin_notices() {
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if ( ! current_user_can( GITIUM_MANAGE_OPTIONS_CAPABILITY ) ) {
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return;
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}
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foreach ( $this->req as $key => $value ) {
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if ( false === $value ) {
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echo "<div class='error-nag error'><p>Gitium Requirement: {$this->msg[$key]}</p></div>";
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}
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}
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}
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public function get_status() {
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$requirements = $this->req;
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foreach ( $requirements as $req ) :
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if ( false === $req ) :
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return false;
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endif;
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endforeach;
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return true;
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}
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private function is_git_version() {
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$git_version = get_transient( 'gitium_git_version' );
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if ( GITIUM_MIN_GIT_VER > substr( $git_version, 0, 3 ) ) {
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global $git;
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$git_version = $git->get_version();
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set_transient( 'gitium_git_version', $git_version );
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if ( empty( $git_version ) ) {
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return array( false, 'There is no git installed on this server.' );
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} else if ( GITIUM_MIN_GIT_VER > substr( $git_version, 0, 3 ) ) {
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return array( false, "The git version is `$git_version` and must be greater than `" . GITIUM_MIN_GIT_VER . "`!" );
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}
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}
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return array( true, "The git version is `$git_version`." );
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}
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private function is_proc_open() {
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if ( ! function_exists( 'proc_open' ) ) {
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return array( false, 'The function `proc_open` is disabled!' );
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} else {
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return array( true, 'The function `proc_open` is enabled!' );
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}
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}
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private function is_php_version() {
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if ( ! function_exists( 'phpversion' ) ) {
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return array( false, 'The function `phpversion` is disabled!' );
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} else {
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$php_version = phpversion();
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if ( GITIUM_MIN_PHP_VER <= substr( $php_version, 0, 3 ) ) {
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return array( true, "The PHP version is `$php_version`." );
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} else {
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return array( false, "The PHP version is `$php_version` and is not greater or equal to " . GITIUM_MIN_PHP_VER );
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}
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}
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}
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private function can_exec_ssh_git_file() {
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$filepath = dirname( __FILE__ ) . '/ssh-git';
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if ( ! function_exists( 'is_executable' ) ) {
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return array( false, 'The function `is_executable` is disabled!' );
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} else if ( is_executable( $filepath ) ) {
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return array( true, "The `$filepath` file can be executed!" );
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} else {
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return array( false, "The `$filepath` file is not executable" );
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}
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}
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}
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