144 lines
3.5 KiB
PHP
144 lines
3.5 KiB
PHP
<?php
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class DockerHubBridge extends BridgeAbstract {
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const NAME = 'Docker Hub Bridge';
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const URI = 'https://hub.docker.com';
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const DESCRIPTION = 'Returns new images for a container';
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const MAINTAINER = 'VerifiedJoseph';
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const PARAMETERS = array(
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'User Submitted Image' => array(
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'user' => array(
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'name' => 'User',
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'type' => 'text',
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'required' => true,
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'exampleValue' => 'rssbridge',
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),
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'repo' => array(
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'name' => 'Repository',
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'type' => 'text',
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'required' => true,
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'exampleValue' => 'rss-bridge',
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)
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),
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'Official Image' => array(
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'repo' => array(
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'name' => 'Repository',
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'type' => 'text',
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'required' => true,
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'exampleValue' => 'postgres',
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)
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),
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);
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const CACHE_TIMEOUT = 3600; // 1 hour
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private $apiURL = 'https://hub.docker.com/v2/repositories/';
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public function collectData() {
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$json = getContents($this->getApiUrl())
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or returnServerError('Could not request: ' . $this->getURI());
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$data = json_decode($json, false);
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foreach ($data->results as $result) {
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$item = array();
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$lastPushed = date('Y-m-d H:i:s', strtotime($result->tag_last_pushed));
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$item['title'] = $result->name;
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$item['uid'] = $result->id;
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$item['uri'] = $this->getTagUrl($result->name);
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$item['author'] = $result->last_updater_username;
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$item['timestamp'] = $result->tag_last_pushed;
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$item['content'] = <<<EOD
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<Strong>Tag</strong><br>
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<p>{$result->name}</p>
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<Strong>Last pushed</strong><br>
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<p>{$lastPushed}</p>
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<Strong>Images</strong><br>
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{$this->getImages($result)}
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EOD;
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$this->items[] = $item;
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}
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}
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public function getURI() {
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if ($this->queriedContext === 'Official Image') {
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return self::URI . '/_/' . $this->getRepo();
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}
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if ($this->getInput('repo')) {
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return self::URI . '/r/' . $this->getRepo();
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}
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return parent::getURI();
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}
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public function getName() {
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if ($this->getInput('repo')) {
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return $this->getRepo() . ' - Docker Hub';
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}
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return parent::getName();
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}
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private function getRepo() {
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if ($this->queriedContext === 'Official Image') {
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return $this->getInput('repo');
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}
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return $this->getInput('user') . '/' . $this->getInput('repo');
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}
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private function getApiUrl() {
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if ($this->queriedContext === 'Official Image') {
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return $this->apiURL . 'library/' . $this->getRepo() . '/tags/?page_size=25&page=1';
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}
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return $this->apiURL . $this->getRepo() . '/tags/?page_size=25&page=1';
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}
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private function getLayerUrl($name, $digest) {
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if ($this->queriedContext === 'Official Image') {
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return self::URI . '/layers/' . $this->getRepo() . '/library/' .
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$this->getRepo() . '/' . $name . '/images/' . $digest;
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}
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return self::URI . '/layers/' . $this->getRepo() . '/' . $name . '/images/' . $digest;
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}
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private function getTagUrl($name) {
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if ($this->queriedContext === 'Official Image') {
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return self::URI . '/_/' . $this->getRepo() . '?tab=tags&name=' . $name;
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}
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return self::URI . '/r/' . $this->getRepo() . '/tags?name=' . $name;
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}
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private function getImages($result) {
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$html = <<<EOD
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<table style="width:300px;"><thead><tr><th>Digest</th><th>OS/architecture</th></tr></thead></tbody>
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EOD;
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foreach ($result->images as $image) {
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$layersUrl = $this->getLayerUrl($result->name, $image->digest);
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$id = $this->getShortDigestId($image->digest);
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$html .= <<<EOD
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<tr>
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<td><a href="{$layersUrl}">{$id}</a></td>
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<td>{$image->os}/{$image->architecture}</td>
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</tr>
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EOD;
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}
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return $html . '</tbody></table>';
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}
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private function getShortDigestId($digest) {
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$parts = explode(':', $digest);
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return substr($parts[1], 0, 12);
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}
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}
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