From d694910822fe9699b47071f28a59d4c510b4170a Mon Sep 17 00:00:00 2001
From: Andrey Helldar <helldar@dragon-code.pro>
Date: Thu, 23 May 2024 00:16:32 +0300
Subject: [PATCH] Added search for saved authorization token

---
 README.md                    | 17 ++++++++++----
 app/Commands/ReadCommand.php |  3 ++-
 app/Services/Process.php     | 28 ++++++++++++++++++++++
 app/Services/Token.php       | 45 ++++++++++++++++++++++++++++++++++++
 4 files changed, 88 insertions(+), 5 deletions(-)
 create mode 100644 app/Services/Process.php
 create mode 100644 app/Services/Token.php

diff --git a/README.md b/README.md
index 4ea9b9e..2f30e95 100644
--- a/README.md
+++ b/README.md
@@ -36,10 +36,20 @@ You'll also need to create yourself a
 [personal access token](https://github.com/settings/tokens/new?description=Notifications%20Reader)
 for GitHub's API with access to the `notifications` scope.
 
-## Usage
+By default, we check several places for the presence of a token in the following order:
+
+1. The `token` parameter passed when calling the console command
+2. The `GITHUB_TOKEN` environment variable
+3. `~/.composer/auth.json` file
+4. `~/.config/.composer/auth.json` file
+5. `~/.config/composer/auth.json` file
+6. `~/AppData/Roaming/Composer/auth.json` file
+7. `~/composer/auth.json` file
+8. `%USERPROFILE%/AppData/Roaming/Composer/auth.json` file
 
-By default, we'll try and read your personal access token for GitHub from the `GITHUB_TOKEN` environment variable,
-however you can also specify a token with the `--token` command-line flag.
+If the token is not found, you will receive a message about this.
+
+## Usage
 
 To read all issue notifications:
 
@@ -132,7 +142,6 @@ With this set of options, notifications that have:
 - will not be asked to continue in the console
 - repositories `laravel/framework` and `laravel/breeze` will not be processed
 
-
 ## Result
 
 ### Before
diff --git a/app/Commands/ReadCommand.php b/app/Commands/ReadCommand.php
index 883a90a..ec48d36 100644
--- a/app/Commands/ReadCommand.php
+++ b/app/Commands/ReadCommand.php
@@ -5,6 +5,7 @@
 use DragonCode\GithubNotifications\Factories\ClientFactory;
 use DragonCode\GithubNotifications\Services\GitHub;
 use DragonCode\GithubNotifications\Services\Output;
+use DragonCode\GithubNotifications\Services\Token;
 use Github\ResultPager;
 use Illuminate\Support\Str;
 use LaravelZero\Framework\Commands\Command;
@@ -152,6 +153,6 @@ protected function token(): string
 
     protected function detectToken(): ?string
     {
-        return $this->option('token') ?: ($_SERVER['GITHUB_TOKEN'] ?? null);
+        return $this->option('token') ?: Token::detect();
     }
 }
diff --git a/app/Services/Process.php b/app/Services/Process.php
new file mode 100644
index 0000000..9253eea
--- /dev/null
+++ b/app/Services/Process.php
@@ -0,0 +1,28 @@
+<?php
+
+declare(strict_types=1);
+
+namespace DragonCode\GithubNotifications\Services;
+
+use Illuminate\Support\Facades\Process as BaseProcess;
+
+class Process
+{
+    public static function run(string $command): ?array
+    {
+        $result = BaseProcess::run($command);
+
+        if ($result->failed() || ! static::validateJson($result->output())) {
+            return null;
+        }
+
+        return json_decode($result->output(), true);
+    }
+
+    protected static function validateJson(string $json): bool
+    {
+        json_decode($json);
+
+        return json_last_error() === JSON_ERROR_NONE;
+    }
+}
diff --git a/app/Services/Token.php b/app/Services/Token.php
new file mode 100644
index 0000000..5e46c8f
--- /dev/null
+++ b/app/Services/Token.php
@@ -0,0 +1,45 @@
+<?php
+
+declare(strict_types=1);
+
+namespace DragonCode\GithubNotifications\Services;
+
+class Token
+{
+    public static function detect(): ?string
+    {
+        return static::fromServer() ?? static::fromComposer();
+    }
+
+    protected static function fromServer(): ?string
+    {
+        return $_SERVER['GITHUB_TOKEN'] ?? null;
+    }
+
+    protected static function fromComposer(): ?string
+    {
+        foreach (static::composerPath() as $path) {
+            if (! $data = Process::run('cat ' . $path)) {
+                continue;
+            }
+
+            if ($token = $data['github-oauth']['github.com'] ?? null) {
+                return $token;
+            }
+        }
+
+        return null;
+    }
+
+    protected static function composerPath(): array
+    {
+        return [
+            '~/.composer/auth.json',
+            '~/.config/.composer/auth.json',
+            '~/.config/composer/auth.json',
+            '~/AppData/Roaming/Composer/auth.json',
+            '~/composer/auth.json',
+            '%USERPROFILE%/AppData/Roaming/Composer/auth.json',
+        ];
+    }
+}