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175 lines
3.8 KiB
175 lines
3.8 KiB
<?php
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class CacheOneFile
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{
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protected $fileName = "";
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protected $holdTime = 43200;//12h
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public function __construct($fileName , $holdTime = 43200)
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{
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$this->fileName = $fileName;
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$this->holdTime = $holdTime;
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}
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public function is()
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{
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if(! file_exists($this->fileName))
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return false;
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if(filemtime($this->fileName) < ( time() - $this->holdTime ) )
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{
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unlink($this->fileName);
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return false;
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}
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return true;
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}
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public function get()
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{
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return file_get_contents($this->fileName);
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}
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public function set($content)
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{
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file_put_contents($this->fileName,$content);
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}
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}
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class Updater
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{
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protected $cachedInfo = "cache/downloadInfo.json";
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protected $versionFile = "cache/installedVersion.json";
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protected $zipFile = "cache/tmpZipFile.zip";
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protected $infos = array();
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public function __construct()
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{
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if(! file_exists("cache/"))
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{
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mkdir("cache/");
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}
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$this->cachedInfo = new CacheOneFile($this->cachedInfo);
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$this->infos = $this->getInfos();
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}
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protected function getInfos()
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{
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$path = "https://api.github.com/repos/danpros/htmly/releases";
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if($this->cachedInfo->is())
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{
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$fileContent = $this->cachedInfo->get();
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}
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else
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{
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if(!in_array('https', stream_get_wrappers()))
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{
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return array();
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}
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$fileContent = @file_get_contents($path,false, stream_context_create(
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array(
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'http' => array(
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'header'=>"User-Agent: Awesome-Update-My-Self\r\n"
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)
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)
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));
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if($fileContent === false)
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{
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return array();
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}
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$json = json_decode($fileContent,true);
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$fileContent = json_encode($json, JSON_PRETTY_PRINT);
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$this->cachedInfo->set($fileContent);
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return $json;
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}
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return json_decode($fileContent,true);
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}
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public function updateAble()
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{
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if(!in_array('https', stream_get_wrappers()))
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return false;
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if(empty($this->infos))
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return false;
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if(file_exists($this->versionFile))
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{
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$fileContent = file_get_contents($this->versionFile);
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$current = json_decode($fileContent,true);
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if(isset($current['id']) && $current['id'] == $this->infos[0]['id'])
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return false;
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if(isset($current['tag_name']) && $current['tag_name'] == $this->infos[0]['tag_name'])
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return false;
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}
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return true;
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}
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public function update()
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{
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if($this->updateAble())
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{
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if($this->download("https://github.com/danpros/htmly/archive/" . $this->infos[0]['tag_name'] . ".zip"))
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{
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if($this->unZip())
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{
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unlink($this->zipFile);
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file_put_contents($this->versionFile, json_encode(array(
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"id" => $this->infos[0]['id'],
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"tag_name" => $this->infos[0]['tag_name']
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), JSON_PRETTY_PRINT));
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return true;
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}
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}
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}
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return false;
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}
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protected function download($url)
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{
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$file = @fopen($url, 'r');
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if($file == false)
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return false;
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file_put_contents($this->zipFile, $file);
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return true;
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}
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protected function unZip()
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{
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$path = dirname($_SERVER['SCRIPT_FILENAME']) . "/" . $this->zipFile;
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$zip = new ZipArchive;
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if ($zip->open($path) === true) {
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$cutLength = strlen($zip->getNameIndex(0));
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for($i = 1; $i < $zip->numFiles; $i++) {//iterate throw the Zip
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$fileName = $zip->getNameIndex($i);
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$stat = $zip->statIndex($i);
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if($stat["crc"] == 0)
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{
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$dirName = substr($fileName,$cutLength);
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if(! file_exists($dirName))
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{
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mkdir($dirName);
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}
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}
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else{
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copy("zip://".$path."#".$fileName, substr($fileName,$cutLength));
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}
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}
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$zip->close();
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return true;
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}
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else{
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return false;
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}
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}
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public function printOne()
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{
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$releases = $this->infos;
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$string = "<h3>Updated to<h3>";
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$string .= "<h2>[" . $releases[0]['tag_name'] . "] " . $releases[0]['name'] . "</h2>\n";
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$string .= "<p>" . $releases[0]['body'] . "</p>\n";
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return $string;
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}
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public function getName()
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{
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return $this->infos[0]['tag_name'];
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}
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}
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