<?php
namespace Kanti;
#[\AllowDynamicProperties]
class HubUpdater
{
protected $options = array(
"cacheFile" => "downloadInfo.json",
"holdTime" => 43200,
"versionFile" => "installedVersion.json",
"zipFile" => "tmpZipFile.zip",
"updateignore" => ".updateignore",
"name" => "",
"branch" => "master",
"cache" => "cache/",
"save" => "",
"prerelease" => false,
"exceptions" => false,
);
protected $allRelease = array();
protected $streamContext = null;
public function __construct($option)
{
//options
if (is_array($option)) {
if (!isset($option['name']) || empty($option['name'])) {
throw new \Exception('No Name in Option Set');
}
$this->options = $option + $this->options;
} elseif (is_string($option)) {
if (empty($option)) {
throw new \Exception('No Name Set');
}
$this->options['name'] = $option;
} else {
throw new \Exception('No Option Set');
}
$this->options['save'] = rtrim($this->options['save'], '/');
if ($this->options['save'] !== '') {
$this->options['save'] .= '/';
if (!HelperClass::fileExists($this->options['save'])) {
mkdir($this->options['save']);
}
}
$this->options['cache'] = $this->options['save'] . rtrim($this->options['cache'], '/');
if ($this->options['cache'] !== '') {
$this->options['cache'] .= '/';
if (!HelperClass::fileExists($this->options['cache'])) {
mkdir(dirname($_SERVER["SCRIPT_FILENAME"]) . "/" . $this->options['cache']);
}
}
$caBundleDir = dirname(__FILE__);
if (HelperClass::isInPhar()) {
$caBundleDir = dirname($_SERVER["SCRIPT_FILENAME"]) . "/" . $this->options['cache'];
if (!HelperClass::fileExists($this->options['cache'] . "ca_bundle.crt")) {
copy(dirname(__FILE__) . "/ca_bundle.crt", $caBundleDir . "ca_bundle.crt");
}
}
$this->cachedInfo = new CacheOneFile(
dirname($_SERVER["SCRIPT_FILENAME"]) . "/" . $this->options['cache'] . $this->options['cacheFile'],
$this->options['holdTime']
);
$this->streamContext = stream_context_create(
array(
'http' => array(
'header' => "User-Agent: Awesome-Update-My-Self-" . $this->options['name'] . "\r\n"
. "Accept: application/vnd.github.v3+json\r\n",
),
'ssl' => array(
'cafile' => $caBundleDir . '/ca_bundle.crt',
'verify_peer' => true,
),
)
);
$this->streamContext2 = stream_context_create(
array(
'http' => array(
'header' => "User-Agent: Awesome-Update-My-Self-" . $this->options['name'] . "\r\n",
),
'ssl' => array(
'cafile' => $caBundleDir . '/ca_bundle.crt',
'verify_peer' => true,
),
)
);
$this->allRelease = $this->getRemoteInfos();
}
protected function getRemoteInfos()
{
$path = "https://api.github.com/repos/" . $this->options['name'] . "/releases";
if ($this->cachedInfo->is()) {
$fileContent = $this->cachedInfo->get();
} else {
if (!in_array('https', stream_get_wrappers())) {
if ($this->options["exceptions"]) {
throw new \Exception("No HTTPS Wrapper Exception");
} else {
return array();
}
}
$fileContent = @file_get_contents($path, false, $this->streamContext);
if ($fileContent === false) {
if ($this->options["exceptions"]) {
throw new \Exception("No Internet Exception");
} else {
return array();
}
}
$json = json_decode($fileContent, true);
if (isset($json['message'])) {
if ($this->options["exceptions"]) {
throw new \Exception("API Exception[" . $json['message'] . "]");
} else {
$json = array();
}
}
if (defined("JSON_PRETTY_PRINT")) {
$fileContent = json_encode($json, JSON_PRETTY_PRINT);
} else {
$fileContent = json_encode($json);
}
$this->cachedInfo->set($fileContent);
return $json;
}
return json_decode($fileContent, true);
}
public function able()
{
if (!in_array('https', stream_get_wrappers())) {
return false;
}
if (empty($this->allRelease)) {
return false;
}
$this->getNewestInfo();
if (HelperClass::fileExists($this->options['cache'] . $this->options['versionFile'])) {
$fileContent = file_get_contents(dirname($_SERVER["SCRIPT_FILENAME"]) . "/" . $this->options['cache'] . $this->options['versionFile']);
$current = json_decode($fileContent, true);
if (isset($current['id']) && $current['id'] == $this->newestInfo['id']) {
return false;
}
if (isset($current['tag_name']) && $current['tag_name'] == $this->newestInfo['tag_name']) {
return false;
}
}
return true;
}
public function update()
{
$newestRelease = $this->getNewestInfo();
if ($this->able()) {
if ($this->download($newestRelease['zipball_url'])) {
if ($this->unZip()) {
unlink(dirname($_SERVER["SCRIPT_FILENAME"]) . "/" . $this->options['cache'] . $this->options['zipFile']);
if (defined("JSON_PRETTY_PRINT")) {
file_put_contents(
dirname($_SERVER["SCRIPT_FILENAME"]) . "/" . $this->options['cache'] . $this->options['versionFile'],
json_encode(array(
"id" => $newestRelease['id'],
"tag_name" => $newestRelease['tag_name']
), JSON_PRETTY_PRINT)
);
} else {
file_put_contents(
dirname($_SERVER["SCRIPT_FILENAME"]) . "/" . $this->options['cache'] . $this->options['versionFile'],
json_encode(array(
"id" => $newestRelease['id'],
"tag_name" => $newestRelease['tag_name']
))
);
}
return true;
}
}
}
return false;
}
protected function download($url)
{
$file = @fopen($url, 'r', false, $this->streamContext2);
if ($file == false) {
if ($this->options["exceptions"]) {
throw new \Exception("Download faild Exception");
} else {
return false;
}
}
file_put_contents(
dirname($_SERVER['SCRIPT_FILENAME']) . "/" . $this->options['cache'] . $this->options['zipFile'],
$file
);
fclose($file);
return true;
}
protected function unZip()
{
$path = dirname($_SERVER['SCRIPT_FILENAME']) . "/" . $this->options['cache'] . $this->options['zipFile'];
$updateIgnore = array();
if (HelperClass::fileExists($this->options['updateignore'])) {
$updateIgnore = file($this->options['updateignore']);
foreach ($updateIgnore as &$ignore) {
$ignore = $this->options['save'] . trim($ignore);
}
}
$zip = new \ZipArchive();
if ($zip->open($path) === true) {
$cutLength = strlen($zip->getNameIndex(0));
for ($i = 1; $i < $zip->numFiles; $i++) {//iterate throw the Zip
$name = $this->options['save'] . substr($zip->getNameIndex($i), $cutLength);
$do = true;
foreach ($updateIgnore as $ignore) {
if (substr($name, 0, strlen($ignore)) == $ignore) {
$do = false;
break;
}
}
if ($do) {
$stat = $zip->statIndex($i);
if ($stat["crc"] == 0) {
if (!HelperClass::fileExists($name)) {
mkdir(dirname($_SERVER["SCRIPT_FILENAME"]) . "/" . $name);
}
} else {
copy(
"zip://" . $path . "#" . $zip->getNameIndex($i),
dirname($_SERVER["SCRIPT_FILENAME"]) . "/" . $name
);
}
}
}
$zip->close();
return true;
} else {
return false;
}
}
public function getCurrentInfo()
{
if (isset($this->currentInfo)) {
return $this->currentInfo;
}
$this->currentInfo = null;
if (HelperClass::fileExists($this->options['cache'] . $this->options['versionFile'])) {
$fileContent = file_get_contents(dirname($_SERVER["SCRIPT_FILENAME"]) . "/" . $this->options['cache'] . $this->options['versionFile']);
$current = json_decode($fileContent, true);
foreach ($this->allRelease as $release) {
if (isset($current['id']) && $current['id'] == $release['id']) {
$this->currentInfo = $release;
break;
}
if (isset($current['tag_name']) && $current['tag_name'] == $release['tag_name']) {
$this->currentInfo = $release;
break;
}
}
}
return $this->currentInfo;
}
public function getNewestInfo()
{
if (isset($this->newestInfo)) {
return $this->newestInfo;
}
foreach ($this->allRelease as $release) {
if (!$this->options['prerelease'] && $release['prerelease']) {
continue;
}
if ($this->options['branch'] !== $release['target_commitish']) {
continue;
}
$this->newestInfo = $release;
break;
}
if (!isset($this->newestInfo)) {
if ($this->options["exceptions"]) {
throw new \Exception("no suitable release found");
} else {
return array();
}
}
return $this->newestInfo;
}
}