File "api.php"

Full Path: /var/www/bvnghean.vn/save_bvnghean.vn/wp-content/plugins/backupbuddy/lib/updater/api.php
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Charset: utf-8

<?php

/*
Provides an easy to use interface for communicating with the iThemes updater server.
Written by Chris Jean for iThemes.com
Version 1.1.1

Version History
	1.0.0 - 2013-04-11 - Chris Jean
		Release ready
	1.0.1 - 2013-09-19 - Chris Jean
		Updated requires to not use dirname().
		Updated ithemes-updater-object to ithemes-updater-settings.
	1.1.0 - 2013-10-02 - Chris Jean
		Added get_package_changelog().
	1.1.1 - 2014-11-13 - Chris Jean
		Improved caching.
		Updated code to meet WordPress coding standards.
*/


class Ithemes_Updater_API {
	public static function activate_package( $username, $password, $packages ) {
		return self::get_response( 'activate_package', compact( 'username', 'password', 'packages' ), false );
	}
	
	public static function deactivate_package( $username, $password, $packages ) {
		return self::get_response( 'deactivate_package', compact( 'username', 'password', 'packages' ), false );
	}
	
	public static function get_package_details( $cache = true ) {
		$packages = array();
		
		return self::get_response( 'get_package_details', compact( 'packages' ), $cache );
	}
	
	public static function get_package_changelog( $package, $cur_version = false ) {
		$response = wp_remote_get( 'http://api.ithemes.com/product/changelog?package=' . urlencode( $package ) );
		
		if ( is_wp_error( $response ) ) {
			return sprintf( __( '<p>Unable to get changelog data at this time.</p><p>Error <code>%1$s</code>: %2$s</p>', 'it-l10n-backupbuddy' ), $response->get_error_code(), $response->get_error_message() );
		}
		
		if ( ! is_array( $response ) || ! isset( $response['body'] ) ) {
			return __( '<p>Unable to get changelog data at this time.</p><p>Error: Unrecognized response from <code>wp_remote_get</code>.</p>', 'it-l10n-backupbuddy' );
		}
		
		if ( isset( $response['response']['code'] ) && ( '200' != $response['response']['code'] ) ) {
			return sprintf( __( '<p>Unable to get changelog data at this time.</p><p>Error code <code>%1$s</code>: %2$s</p>', 'it-l10n-backupbuddy' ), $response['response']['code'], $response['response']['message'] );
		}
		
		
		$body = $response['body'];
		
		if ( '{' === substr( $body, 0, 1 ) ) {
			$error = json_decode( $body, true );
			
			if ( is_array( $error ) && isset( $error['error'] ) && is_array( $error['error'] ) && isset( $error['error']['type'] ) && isset( $error['error']['message'] ) ) {
				return sprintf( __( '<p>Unable to get changelog data at this time.</p><p>Error <code>%1$s</code>: %2$s</p>', 'it-l10n-backupbuddy' ), $error['error']['type'], $error['error']['message'] );
			} else {
				return __( '<p>Unable to get changelog data at this time.</p><p>Error: Unrecognized response from iThemes API server.</p>', 'it-l10n-backupbuddy' );
			}
		}
		
		
		$versions = array();
		$version = false;
		$depth = 0;
		
		$lines = preg_split( '/[\n\r]+/', $body );
		
		foreach ( $lines as $line ) {
			if ( preg_match( '/^\d/', $line ) ) {
				if ( ! empty( $version ) && ( $depth > 0 ) ) {
					while ( $depth-- > 0 ) {
						$versions[$version] .= "</ul>\n";
					}
				}
				
				$depth = 0;
				
				$parts = preg_split( '/\s+-\s+/', $line );
				$version = $parts[0];
				
				if ( version_compare( $version, $cur_version, '<=' ) ) {
					$version = '';
					continue;
				}
				
				$versions[$version] = '';
				
				continue;
			} else if ( preg_match( '/^\S/', $line ) ) {
				$version = '';
				continue;
			} else if ( empty( $version ) ) {
				continue;
			}
			
			$line = str_replace( '    ', "\t", $line );
			$line = str_replace( "\t", '', $line, $count );
			$line = preg_replace( '/^\s+/', '', $line );
			
			if ( empty( $line ) ) {
				continue;
			}
			
			$details = '';
			
			if ( $count > $depth ) {
				$details .= "<ul>\n";
				$depth++;
			} else if ( $count < $depth ) {
				$details .= "</ul>\n";
				$depth--;
			}
			
			$details .= "<li>$line</li>\n";
			
			
			$versions[$version] .= $details;
		}
		
		if ( ! empty( $version ) && ( $depth > 0 ) ) {
			while ( $depth-- > 0 ) {
				$versions[$version] .= "</ul>\n";
			}
		}
		
		
		uksort( $versions, 'version_compare' );
		$versions = array_reverse( $versions );
		
		
		$changelog = '';
		
		foreach ( $versions as $version => $details ) {
			$changelog .= "<h4>$version</h4>\n$details\n";
		}
		
		$changelog = preg_replace( '/\s+$/', '', $changelog );
		
		
		return $changelog;
	}
	
	public static function get_response( $action, $args, $cache ) {
		require_once( $GLOBALS['ithemes_updater_path'] . '/server.php' );
		require_once( $GLOBALS['ithemes_updater_path'] . '/updates.php' );
		
		
		if ( isset( $args['packages'] ) ) {
			$args['packages'] = self::get_request_package_details( $args['packages'] );
		}
		
		
		$response = false;
		$source = '';
		$cached = true;
		
		$md5 = substr( md5( serialize( $args ) ), 0, 5 );
		$time = time();
		$cache_var = "it-updater-$action-$md5";
		
		
		if ( $cache ) {
			if ( isset( $GLOBALS[$cache_var] ) ) {
				$response = $GLOBALS[$cache_var];
				$source = 'GLOBALS';
			} else if ( false !== ( $transient = get_site_transient( $cache_var ) ) ) {
				$response = $transient;
				$source = 'transient';
			}
		}
		
		
		if ( false === $response ) {
			$response = call_user_func_array( array( 'Ithemes_Updater_Server', $action ), $args );
			$source = 'server';
			
			if ( is_wp_error( $response ) ) {
				return $response;
			}
			
			$cache_length = 86400 * $GLOBALS['ithemes-updater-settings']->get_option( 'timeout-multiplier' );
			
			set_site_transient( $cache_var, $response, $cache_length );
			
			$cached = false;
		}
		
		
		Ithemes_Updater_Updates::process_server_response( $response, $cached );
		
		$GLOBALS[$cache_var] = $response;
		
		return $response;
	}
	
	private static function get_request_package_details( $desired_packages = array() ) {
		require_once( $GLOBALS['ithemes_updater_path'] . '/packages.php' );
		require_once( $GLOBALS['ithemes_updater_path'] . '/keys.php' );
		
		
		$all_packages = Ithemes_Updater_Packages::get_local_details();
		reset( $desired_packages );
		
		if ( empty( $desired_packages ) ) {
			$desired_packages = $all_packages;
		} else if ( is_numeric( key( $desired_packages ) ) ) {
			$new_desired_packages = array();
			
			foreach ( $all_packages as $path => $details ) {
				foreach ( $desired_packages as $package ) {
					if ( $package != $details['package'] ) {
						continue;
					}
					
					$new_desired_packages[$path] = $details;
					
					break;
				}
			}
			
			$desired_packages = $new_desired_packages;
		}
		
		
		$packages = array();
		$keys = Ithemes_Updater_Keys::get();
		
		
		$package_slugs = array();
		
		foreach ( $desired_packages as $data ) {
			$package_slugs[] = $data['package'];
		}
		
		$legacy_keys = Ithemes_Updater_Keys::get_legacy( $package_slugs );
		
		
		$active_themes = array(
			'stylesheet' => get_stylesheet_directory(),
			'template'   => get_template_directory(),
		);
		$active_themes = array_unique( $active_themes );
		
		foreach ( $active_themes as $index => $path ) {
			$active_themes[$index] = basename( $path );
		}
		
		
		foreach ( $desired_packages as $path => $data ) {
			$key = ( isset( $keys[$data['package']] ) ) ? $keys[$data['package']] : '';
			
			$package = array(
				'ver' => $data['installed'],
				'key' => $key,
			);
			
			if ( ! empty( $legacy_keys[$data['package']] ) ) {
				$package['old-key'] = $legacy_keys[$data['package']];
			}
			
			
			if ( 'plugins' == $data['type'] ) {
				$package['active'] = (int) is_plugin_active( $path );
			} else {
				$dir = dirname( $path );
				
				$package['active'] = (int) in_array( $dir, $active_themes );
				
				if ( $package['active'] && ( count( $active_themes ) > 1 ) ) {
					if ( $dir == $active_themes['stylesheet'] ) {
						$package['child-theme'] = 1;
					} else {
						$package['parent-theme'] = 1;
					}
				}
			}
			
			
			$package_key = $data['package'];
			$counter = 0;
			
			while ( isset( $packages[$package_key] ) ) {
				$package_key = "{$data['package']} ||| " . ++$counter;
			}
			
			$packages[$package_key] = $package;
		}
		
		
		if ( ! empty( $legacy_keys ) ) {
			Ithemes_Updater_Keys::delete_legacy( array_keys( $legacy_keys ) );
		}
		
		
		return $packages;
	}
}