1 files changed, 141 insertions, 0 deletions
diff --git a/Zotlabs/Storage/GitRepo.php b/Zotlabs/Storage/GitRepo.php
new file mode 100644
index 000000000..2a24e03c0
--- /dev/null
+++ b/Zotlabs/Storage/GitRepo.php
@@ -0,0 +1,141 @@
+<?php
+
+namespace Zotlabs\Storage;
+
+use PHPGit\Git as PHPGit;
+
+require __DIR__ . '/../../library/PHPGit.autoload.php'; // Load PHPGit dependencies
+
+/**
+ * Wrapper class for PHPGit class for git repositories managed by Hubzilla
+ *
+ * @author Andrew Manning <andrewmanning@grid.reticu.li>
+ */
+class GitRepo {
+
+	public $url = null;
+	public $name = null;
+	private $path = null;
+	private $channel = null;
+	public $git = null;
+	private $repoBasePath = null;
+
+	function __construct($channel = 'sys', $url = null, $clone = false, $name = null, $path = null) {
+
+		if ($channel === 'sys' && !is_site_admin()) {
+			logger('Only admin can use channel sys');
+			return null;
+		}
+
+		$this->repoBasePath = __DIR__ . '/../../store/git';
+		$this->channel = $channel;
+		$this->git = new PHPGit();
+
+		// Allow custom path for repo in the case of , for example
+		if ($path) {
+			$this->path = $path;
+		} else {
+			$this->path = $this->repoBasePath . "/" . $this->channel . "/" . $this->name;
+		}
+
+		if ($this->isValidGitRepoURL($url)) {
+			$this->url = $url;
+		}
+
+		if ($name) {
+			$this->name = $name;
+		} else {
+			$this->name = $this->getRepoNameFromURL($url);
+		}
+		if (!$this->name) {
+			logger('Error creating GitRepo. No repo name found.');
+			return null;
+		}
+
+		if (is_dir($this->path)) {
+			// ignore the $url input if it exists
+			// TODO: Check if the path is either empty or is a valid git repo and error if not
+			$this->git->setRepository($this->path);
+			// TODO: get repo metadata 
+			return;
+		}
+
+		if ($this->url) {
+			// create the folder and clone the repo at url to that folder if $clone is true
+			if ($clone) {
+				if (mkdir($this->path, 0770, true)) {
+					$this->git->setRepository($this->path);
+					if (!$this->cloneRepo()) {
+						// TODO: throw error
+						logger('git clone failed: ' . json_encode($this->git));
+					}
+				} else {
+					logger('git repo path could not be created: ' . json_encode($this->git));
+				}
+			}
+		}
+	}
+
+	public function pull() {
+		try {
+			$success = $this->git->pull();
+		} catch (\PHPGit\Exception\GitException $ex) {
+			return false;
+		}
+		return $success;
+	}
+
+	public function getRepoPath() {
+		return $this->path;
+	}
+
+	public function setRepoPath($directory) {
+		if (is_dir($directory)) {
+			$this->path->$directory;
+			$this->git->setRepository($directory);
+			return true;
+		}
+		return false;
+	}
+
+	public function setIdentity($user_name, $user_email) {
+		// setup user for commit messages
+		$this->git->config->set("user.name", $user_name, ['global' => false, 'system' => false]);
+		$this->git->config->set("user.email", $user_email, ['global' => false, 'system' => false]);
+	}
+
+	public function cloneRepo() {
+		if (validate_url($this->url) && $this->isValidGitRepoURL($this->url) && is_dir($this->path)) {
+			return $this->git->clone($this->url, $this->path);
+		}
+	}
+
+	public function probeRepo() {
+		$git = $this->git;
+		$repo = array();
+		$repo['remote'] = $git->remote();
+		$repo['branches'] = $git->branch(['all' => true]);
+		$repo['logs'] = $git->log(array('limit' => 50));
+		return $repo;
+	}
+
+	public static function isValidGitRepoURL($url) {
+		if (validate_url($url) && strrpos(parse_url($url, PHP_URL_PATH), '.')) {
+			return true;
+		} else {
+			return false;
+		}
+	}
+
+	public static function getRepoNameFromURL($url) {
+		$urlpath = parse_url($url, PHP_URL_PATH);
+		$lastslash = strrpos($urlpath, '/') + 1;
+		$gitext = strrpos($urlpath, '.');
+		if ($gitext) {
+			return substr($urlpath, $lastslash, $gitext - $lastslash);
+		} else {
+			return null;
+		}
+	}
+
+}