Finish API documentation and token auth (references #5)

services/ApiKeyService.php

@@ -0,0 +1,64 @@
+<?php
+
+namespace Grocy\Services;
+
+class ApiKeyService extends BaseService
+{
+	/**
+	 * @return boolean
+	 */
+	public function IsValidApiKey($apiKey)
+	{
+		if ($apiKey === null || empty($apiKey))
+		{
+			return false;
+		}
+		else
+		{
+			$apiKeyRow = $this->Database->api_keys()->where('api_key = :1 AND expires > :2', $apiKey, date('Y-m-d H:i:s', time()))->fetch();
+			if ($apiKeyRow !== null)
+			{
+				$apiKeyRow->update(array(
+					'last_used' => date('Y-m-d H:i:s', time())
+				));
+				return true;
+			}
+			else
+			{
+				return false;
+			}
+		}
+	}
+
+	/**
+	 * @return string
+	 */
+	public function CreateApiKey()
+	{
+		$newApiKey = $this->GenerateApiKey();
+		
+		$apiKeyRow = $this->Database->api_keys()->createRow(array(
+			'api_key' => $newApiKey,
+			'expires' => '2999-12-31 23:59:59' // Default is that API keys expire never
+		));
+		$apiKeyRow->save();
+
+		return $newApiKey;
+	}
+
+	public function RemoveApiKey($apiKey)
+	{
+		$this->Database->api_keys()->where('api_key', $apiKey)->delete();
+	}
+
+	public function GetApiKeyId($apiKey)
+	{
+		$apiKey = $this->Database->api_keys()->where('api_key', $apiKey)->fetch();
+		return $apiKey->id;
+	}
+
+	private function GenerateApiKey()
+	{
+		return RandomString(50);
+	}
+}

services/SessionService.php

@@ -15,7 +15,18 @@ class SessionService extends BaseService
 		}
 		else
 		{
-			return $this->Database->sessions()->where('session_key = :1 AND expires > :2', $sessionKey, time())->count() === 1;
+			$sessionRow = $this->Database->sessions()->where('session_key = :1 AND expires > :2', $sessionKey, date('Y-m-d H:i:s', time()))->fetch();
+			if ($sessionRow !== null)
+			{
+				$sessionRow->update(array(
+					'last_used' => date('Y-m-d H:i:s', time())
+				));
+				return true;
+			}
+			else
+			{
+				return false;
+			}
 		}
 	}
 
@@ -28,7 +39,7 @@ class SessionService extends BaseService
 		
 		$sessionRow = $this->Database->sessions()->createRow(array(
 			'session_key' => $newSessionKey,
-			'expires' => time() + 2592000 // 30 days
+			'expires' => date('Y-m-d H:i:s', time() + 2592000) // Default is that sessions expire in 30 days
 		));
 		$sessionRow->save();