From ccf654ce8aeb9d783617cb90476119bae82063fb Mon Sep 17 00:00:00 2001
From: sbyrd <steven@cooini.com>
Date: Tue, 6 Oct 2020 02:11:36 -0400
Subject: [PATCH] initial

---
 image.php              |  31 ++++++
 imageAnnotations.php   |  17 +++
 imageConfig.php        |  53 ++++++++++
 imageConfigConfig.php  |  63 +++++++++++
 podmanImageManager.php | 230 +++++++++++++++++++++++++++++++++++++++++
 5 files changed, 394 insertions(+)
 create mode 100644 image.php
 create mode 100644 imageAnnotations.php
 create mode 100644 imageConfig.php
 create mode 100644 imageConfigConfig.php
 create mode 100644 podmanImageManager.php

diff --git a/image.php b/image.php
new file mode 100644
index 0000000..276a74d
--- /dev/null
+++ b/image.php
@@ -0,0 +1,31 @@
+<?php
+
+
+namespace podmanImageManager;
+
+use \objectStructs\objectStructs;
+
+class image extends objectStructs
+{
+    /** @var imageAnnotations  */
+    public $annotations;
+    /** @var imageConfig */
+    public $config;
+    /** @var string name of image */
+    public $image;
+
+    public function __construct($vars)
+    {
+        $this->imageName = (isset($vars['image']) ? $vars['image'] :
+            (isset($vars['name']) ? $vars['name'] :
+                (iiset($vars['imageName'] ? $vars['imageName'] : "" ) ) ) )  ;
+        if (isset( $vars['imageBasic']->annotations) )
+            $annotations = $vars['imageBasic']->annotations;
+        elseif (isset($vars['annotations']))
+            $annotations = $vars['annotations'];
+
+            $this->annotations = new imageAnnotations($annotations);
+        if (isset($vars['imageConfig']))
+            $this->config = new imageConfig($vars['imageConfig']);
+    }
+}
\ No newline at end of file
diff --git a/imageAnnotations.php b/imageAnnotations.php
new file mode 100644
index 0000000..9676f4e
--- /dev/null
+++ b/imageAnnotations.php
@@ -0,0 +1,17 @@
+<?php
+
+
+namespace podmanImageManager;
+
+
+use objectStructs\objectStructs;
+
+class imageAnnotations extends objectStructs
+{
+    /** @var string */
+    public $purpose;
+    /** @var string */
+    public $hostController;
+    /** @var string */
+    public $clientController;
+}
\ No newline at end of file
diff --git a/imageConfig.php b/imageConfig.php
new file mode 100644
index 0000000..4b6a8f1
--- /dev/null
+++ b/imageConfig.php
@@ -0,0 +1,53 @@
+<?php
+
+
+namespace podmanImageManager;
+
+
+use objectStructs\objectStructs;
+
+class imageConfig extends objectStructs
+{
+    /** @var string */
+    public $created;
+    /** @var string */
+    public $author;
+    /** @var string */
+    public $architecture;
+    /** @var string */
+    public $os;
+    /** @var imageConfigConfig */
+    public $config;
+
+
+}
+
+/*
+ *
+ * created] => 2020-04-23T00:50:14.871449584Z
+    [author] => Cooini, LLC
+    [architecture] => amd64
+    [os] => linux
+
+
+    [rootfs] => stdClass Object
+        (
+            [type] => layers
+            [diff_ids] => Array
+                (
+                    [0] => sha256:7402c41ceaacfdd10fcdc3c64e67ed61797dadad8adaf081e9e9bea71e0eafc2
+                )
+
+        )
+
+    [history] => Array
+        (
+            [0] => stdClass Object
+                (
+                    [created] => 2020-04-23T00:50:14.871449584Z
+                    [created_by] => /bin/sh
+                    [author] => Cooini, LLC
+                )
+
+        )
+ */
\ No newline at end of file
diff --git a/imageConfigConfig.php b/imageConfigConfig.php
new file mode 100644
index 0000000..769f0fb
--- /dev/null
+++ b/imageConfigConfig.php
@@ -0,0 +1,63 @@
+<?php
+
+
+namespace podmanImageManager;
+
+
+use objectStructs\objectStructs;
+
+class imageConfigConfig extends objectStructs
+{
+    /** @var \stdClass */
+    public $ExposedPorts;
+
+}
+/*
+ *
+ *  [config] => stdClass Object
+        (
+            [ExposedPorts] => stdClass Object
+                (
+                    [443/tcp] => stdClass Object
+                        (
+                        )
+
+                    [80/tcp] => stdClass Object
+                        (
+                        )
+
+                )
+
+            [Env] => Array
+                (
+                    [0] => domain=example.com
+                    [1] => domainAliases=example.com-iniapp.generic.host
+                )
+
+            [Entrypoint] => Array
+                (
+                    [0] => /bin/sh
+                    [1] => -c
+                    [2] => /usr/local/hosting/container/start.sh
+                )
+
+            [Cmd] => Array
+                (
+                    [0] => /usr/local/hosting/container/start.sh
+                )
+
+            [Volumes] => stdClass Object
+                (
+                    [/var/www/vhosts/example.com] => stdClass Object
+                        (
+                        )
+
+                )
+
+            [Labels] => stdClass Object
+                (
+                    [io.buildah.version] => 1.11.6
+                )
+
+        )
+ */
\ No newline at end of file
diff --git a/podmanImageManager.php b/podmanImageManager.php
new file mode 100644
index 0000000..cb9f96c
--- /dev/null
+++ b/podmanImageManager.php
@@ -0,0 +1,230 @@
+<?php
+
+
+namespace podmanImageManager;
+
+
+interface podmanImageManagerInterface
+{
+    public function getImages( string $repo );
+}
+/**
+ * @version 0.1
+ */
+class podmanImageManager implements podmanImageManagerInterface
+{
+
+    public function __construct()
+    {
+
+    }
+
+    public function doRequest($URL, $PostFields=null, $Headers=array(), $json=false )
+    {
+         // This gets or posts to a page via curl and returns the body and headers via array.
+
+        $curl = curl_init(); // Init curl
+        if (!empty($PostFields))
+        {
+            // Post string is NOT empty, so clets do post
+            curl_setopt($curl, CURLOPT_POST, 1); // Set post field count
+            curl_setopt($curl, CURLOPT_POSTFIELDS, ($json ? json_encode($PostFields) : $PostFields)) ; // Set post fields
+        }
+        //#######     SET SETTINGS    #########
+
+        curl_setopt( $curl, CURLOPT_HTTPHEADER,
+            $Headers
+        );
+        curl_setopt($curl, CURLOPT_URL, $URL);
+        curl_setopt($curl, CURLOPT_RETURNTRANSFER, true); // This returns the page to us at curl_exec
+        curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
+        curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false);
+        curl_setopt($curl, CURLOPT_HEADER, true); // Get Headers -- used for any redirects
+
+        curl_setopt($curl, CURLOPT_USERAGENT, "iniApp-client 0.1"); // Spoof the user-agent to be the browser that the user is on (and accessing the php script)
+        curl_setopt($curl, CURLOPT_FRESH_CONNECT, true);
+        curl_setopt($curl, CURLOPT_CONNECTTIMEOUT, 250);
+        /*#############################
+                 GET PAGE
+        ##############################*/
+
+        $result = curl_exec($curl); // Get page
+         if ($result == false)
+        {
+            throw new \Exception("Error at image registry API: ".curl_errno($curl). " : " .curl_error($curl));
+        } // if curl was good.
+        else
+        {
+            list($Headers, $TheBody) = explode("\r\n\r\n", $result, 2);  // Separate headers and Body
+
+            $http_code = curl_getinfo($curl, CURLINFO_HTTP_CODE); // Get HTTP code
+            curl_close($curl); // Close connection
+
+            if ($http_code == 200)
+            {
+                $Response = ($json ? json_decode($TheBody) : $TheBody);
+                if ($Response)
+                {
+                    return $Response;
+                }
+            }
+            else
+                throw new \Exception(__FUNCTION__." HTTP Error at request:".$http_code . "<br><br>$TheBody");
+        }
+
+
+        return false;
+    }
+
+    /**
+     * @param string $ImageName image name including repo address
+     */
+    public function getImage(string $ImageNameComplete, $imageTag='latest')
+    {
+        $RepoURL = "https://".$ImageNameComplete;
+        if (preg_match("/\b(?:(?:https?|ftp):\/\/|www\.)[-a-z0-9+&@#\/%?=~_|!:,.;]*[-a-z0-9+&@#\/%=~_|]/", $RepoURL) ) {
+            //Good URL, now lets work it
+            $URLbits = parse_url($RepoURL);
+            if ($URLbits)
+            {
+                $imageName = ltrim($URLbits['path'], "/");
+                $registry = $URLbits['host'] .":".$URLbits['port'];
+            }
+        }
+        $tagsURL = "https://".$registry. "/v2/".$imageName."/tags/list";
+        try {
+            $TagsRaw = $this->doRequest($tagsURL, null, null, true);
+        }
+        catch (\Exception $e)
+        {
+            throw new \Exception("Exception getting tags:".$e->getMessage());
+        }
+
+        if ($TagsRaw and isset($TagsRaw->tags))
+        {
+             //echo "<br> tags<br><pre>".print_r($TagsRaw,true)."</pre>";
+
+            $ImagesReturn = array();
+            foreach($TagsRaw->tags as $tag)
+            {
+                $ImageManifestURL = "https://".$registry."/v2/".$imageName."/manifests/".$tag;
+                // echo $ImageManifestURL;
+                try {
+                    $ImageRaw = $this->doRequest($ImageManifestURL, null, array('Accept: application/vnd.oci.image.manifest.v1+json'),true);
+                    // echo "<br> image maniest<br><pre>".print_r($ImageRaw,true)."</pre>";
+                }
+                catch (\Exception $e)
+                {
+                    throw new \Exception("Exception getting image manifest:".$e->getMessage());
+                }
+                if (isset($ImageRaw->config->digest))
+                {
+                    $ImageConfigURL = "https://".$registry."/v2/".$imageName."/blobs/".$ImageRaw->config->digest;
+                    // echo $ImageConfigURL;
+                    $ImageConfigRaw = $this->doRequest($ImageConfigURL, null, null,true );
+                    //echo "<br> image config<br><pre>".print_r($ImageConfigRaw,true)."</pre>";
+
+                    try {
+                        $Image = new image( array('name'=>$ImageNameComplete, 'imageBasic'=>$ImageRaw, 'imageConfig'=>$ImageConfigRaw));
+                        if ($Image)
+                        {
+                            if ($imageTag === $tag )
+                                return $Image;
+                        }
+                        else
+                            throw new \Exception("Image object failed to create while fetching");
+                    }
+                    catch (\Exception $e)
+                    {
+                        throw new \Exception("Exception creating image object:".$e->getMessage());
+                    }
+                    //echo "<br> image <br><pre>".print_r($Image,true)."</pre>";
+                }
+                else
+                    throw new \Exception("Could not find image config digest");
+            } // tags loop
+        } // if tags exist
+        else
+            throw new \Exception("Could not get tags for image");
+
+        return false;
+
+    }
+
+
+    /**
+     * @param string $repo
+     * @return image[]
+     * @throws \Exception
+     */
+    public function getImages(string $repo )
+    {
+        //podman.registry.generic.host:5000/httpdphp7
+        $cache = $this->getCache($repo);
+        if ($cache)
+        {
+            return $cache;
+        }
+
+        // Not cached, continue ;
+
+        $ImagesReturn = array();
+        $URL = 'https://'.$repo.'/v2/_catalog';
+        if (preg_match("/\b(?:(?:https?|ftp):\/\/|www\.)[-a-z0-9+&@#\/%?=~_|!:,.;]*[-a-z0-9+&@#\/%=~_|]/", $URL) )
+        {
+            $Images = $this->doRequest( $URL, null, null, true );
+            if (isset($Images->repositories) )
+            {
+                foreach($Images->repositories as $imageName)
+                {
+                    $Image = $this->getImage($repo ."/". $imageName);
+                    if ($Image)
+                        $ImagesReturn[$imageName] = $Image;
+
+                } //Images loop
+            }
+            else
+                throw new \Exception("Images not valid");
+        }
+        else
+        {
+            throw new \Exception("Repo not valid");
+        }
+
+        $cache = $this->setCache($repo, $ImagesReturn);
+        return $ImagesReturn;
+    }
+
+    private function getCache($name)
+    {
+        $CacheDIr = __DIR__ . "/cache";
+        $name = str_replace(array('.',":"),'-',$name);
+        if (file_exists( $CacheDIr . "/".$name ) and is_readable($CacheDIr . "/".$name))
+        {
+            if ( (mktime() - filectime($CacheDIr . "/".$name) <= 60) )
+            {
+                $data = file_get_contents($CacheDIr . "/".$name);
+                return unserialize( $data );
+            }
+            else
+            {
+                return false;
+            }
+        }
+        return false;
+    }
+
+    private function setCache($name, $Object)
+    {
+        $CacheDIr = __DIR__ . "/cache";
+        if (! file_exists($CacheDIr))
+            mkdir($CacheDIr);
+        if (file_exists($CacheDIr))
+        {
+            $name = str_replace(array('.',":"),'-',$name);
+            return file_put_contents( $CacheDIr . "/".$name, serialize( $Object ) );
+        }
+        else
+            throw new \Exception("Image cache directory does not exist and could not create");
+    }
+}
\ No newline at end of file