#86: Switched the update check from Github to Gitea

app/Http/Controllers/Admin/DefaultController.php

@@ -15,6 +15,7 @@ use App\Http\Requests\SaveSettingsRequest;
 use App\Label;
 use App\Mail\TestMailConfig;
 use App\Photo;
+use App\Services\GiteaService;
 use App\Services\GithubService;
 use App\Services\PhotoService;
 use App\Storage;
@@ -46,18 +47,18 @@ class DefaultController extends Controller
     {
         try
         {
-            $githubService = new GithubService();
-            $releaseInfo = $githubService->checkForLatestRelease();
+            $giteaService = new GiteaService();
+            $releaseInfo = $giteaService->checkForLatestRelease();
 
             // Convert the publish date so we can re-format it with the user's settings
-            $publishDate = \DateTime::createFromFormat('Y-m-d\TH:i:s\Z', $releaseInfo->published_at);
+            $publishDate = \DateTime::createFromFormat('Y-m-d\TH:i:sP', $releaseInfo->published_at);
 
             // HTML-ify the body text
             $body = nl2br($releaseInfo->body);
             $body = preg_replace('/\*\*(.+)\*\*/', '<b>$1</b>', $body);
 
             // Remove the "v" from the release name
-            $version = substr($releaseInfo->name, 1);
+            $version = substr($releaseInfo->tag_name, 1);
 
             // Determine if we can upgrade
             $canUpgrade = version_compare($version, config('app.version')) > 0;

app/Services/GiteaService.php

@@ -0,0 +1,112 @@
+<?php
+
+namespace App\Services;
+
+class GiteaService
+{
+    private $cacheFile = null;
+    private $config = [];
+
+    public function __construct()
+    {
+        $this->config = config('services.gitea');
+        $this->cacheFile = storage_path('app/gitea_cache.txt');
+    }
+
+    public function checkForLatestRelease()
+    {
+        $cacheData = null;
+
+        if ($this->doesCacheExist())
+        {
+            // Get the etag from the cache
+            $cacheData = $this->getCacheData();
+        }
+        else
+        {
+            // Lookup and store the version information
+            $statusCode = -1;
+            $result = $this->getLatestReleaseFromGitea($statusCode);
+
+            if ($statusCode == 200)
+            {
+                $releases = json_decode($result[1]);
+
+                $latestRelease = null;
+                foreach ($releases as $release)
+                {
+                    if (is_null($latestRelease) || version_compare($release->tag_name, $latestRelease->tag_name) > 0)
+                    {
+                        $latestRelease = $release;
+                    }
+                }
+
+                $cacheData = $this->setCacheData($latestRelease);
+            }
+        }
+
+        // GitHub compatibility
+        $cacheData->html_url = sprintf($this->config['releases_url'], $this->config['repo_owner'], $this->config['repo_name']);
+
+        return $cacheData;
+    }
+
+    private function doesCacheExist()
+    {
+        $exists = file_exists($this->cacheFile);
+
+        if ($exists)
+        {
+            // Check modified time on the file
+            $stat = stat($this->cacheFile);
+
+            $diff = time() - $stat['mtime'];
+            if ($diff > $this->config['cache_time_seconds'])
+            {
+                $exists = false;
+            }
+        }
+
+        return $exists;
+    }
+
+    private function getCacheData()
+    {
+        return json_decode(file_get_contents($this->cacheFile));
+    }
+
+    private function getLatestReleaseFromGitea(&$statusCode)
+    {
+        $httpHeaders = [
+            sprintf('User-Agent: aheathershaw/blue-twilight (v%s)', config('app.version'))
+        ];
+
+        if (isset($this->config['api_key']) && !empty($this->config['api_key']))
+        {
+            $httpHeaders[] = sprintf('Authorization: %s', $this->config['api_key']);
+        }
+
+        $apiUrl = sprintf('%s/repos/%s/%s/releases', $this->config['api_url'], $this->config['repo_owner'], $this->config['repo_name']);
+
+        $ch = curl_init($apiUrl);
+        curl_setopt($ch, CURLOPT_HTTPHEADER, $httpHeaders);
+        curl_setopt($ch, CURLOPT_HEADER, true);
+        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
+        $result = curl_exec($ch);
+
+        if ($result === false)
+        {
+            throw new \Exception(sprintf('Error from Gitea: %s', curl_error($ch)));
+        }
+
+        $statusCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
+
+        return explode("\r\n\r\n", $result, 2);
+    }
+
+    private function setCacheData($data)
+    {
+        file_put_contents($this->cacheFile, json_encode(get_object_vars($data)));
+        return $data;
+    }
+}

config/services.php

@@ -14,33 +14,15 @@ return [
     |
     */
 
-    'github' => [
-        'latest_release_url' => 'https://api.github.com/repos/andysh-uk/blue-twilight/releases/latest'
+    'gitea' => [
+        'api_url' => 'https://apps.andysh.uk/api/v1',
+        'cache_time_seconds' => 3600,
+        'releases_url' => 'https://apps.andysh.uk/%s/%s/releases',
+        'repo_name' => 'blue-twilight',
+        'repo_owner' => 'aheathershaw'
     ],
 
     'recaptcha' => [
         'verify_url' => 'https://www.google.com/recaptcha/api/siteverify'
     ]
-
-    /*'mailgun' => [
-        'domain' => env('MAILGUN_DOMAIN'),
-        'secret' => env('MAILGUN_SECRET'),
-    ],
-
-    'ses' => [
-        'key' => env('SES_KEY'),
-        'secret' => env('SES_SECRET'),
-        'region' => 'us-east-1',
-    ],
-
-    'sparkpost' => [
-        'secret' => env('SPARKPOST_SECRET'),
-    ],
-
-    'stripe' => [
-        'model' => App\User::class,
-        'key' => env('STRIPE_KEY'),
-        'secret' => env('STRIPE_SECRET'),
-    ],*/
-
 ];