1 files changed, 64 insertions, 0 deletions
diff --git a/phpBB/includes/extension/manager.php b/phpBB/includes/extension/manager.php
index 86d8fab64b..2eebebf9b2 100644
--- a/phpBB/includes/extension/manager.php
+++ b/phpBB/includes/extension/manager.php
@@ -464,4 +464,68 @@ class phpbb_extension_manager
 	{
 		return new phpbb_extension_finder($this, $this->phpbb_root_path, $this->cache, $this->php_ext, $this->cache_name . '_finder');
 	}
+
+	/**
+	* Gets and processes the contents of the composer.json file.
+	* 
+	* TODO: Add authors, fix it
+	* 
+	* @param string $name Extension name to check
+	* @return array       All the existing metadata keys
+	*/
+	public function get_meta_data($name)
+	{
+		// Find out where the composer.json is
+		$ext_filepath = get_extension_path($name);
+		$md_filepath = $phpbb_root_path . $ext_filepath . '/composer.json';
+
+		// Read the composer.json and decode it
+		$metadatafile = file_get_contents($filepath);
+		$metadata = json_decode($metadatafile, true);
+
+		// What keys are required
+		$required_md_keys = array(
+			$metadata['name'],
+			$metadata['type'],
+			$metadata['description'],
+			$metadata['version'],
+			$metadata['license'],
+			$medadata['require']['phpbb'],
+			$metadata['extra']['dispay-name'],
+		);
+
+		// Check for required keys and trigger and error if it doesn't exist
+		foreach ($required_md_keys as $md_key) 
+		{
+			if (empty($md_key))
+			{
+				trigger_error('Not all required items exist in the composer.json');
+			}
+			else
+			{
+				$existing_required_keys += $md_key;
+			}
+		}
+
+		// Which keys are optional
+		$optional_md_keys = array(
+			$metadata['require']['php'],
+			$metadata['time'],
+			$metadata['homepage'],
+		);
+
+		$existing_optional_keys = array();
+
+		foreach ($optional_md_keys as $md_key) 
+		{
+			if (!empty($md_key))
+			{
+				$existing_optional_keys += $md_key;
+			}
+		}
+
+		$keys = array_merge($existing_optional_keys, $existing_required_keys);
+
+		return $keys;
+	}
 }