From 8fd4aa7e2d7e6b9bd201ac5f0717438740e5725d Mon Sep 17 00:00:00 2001
From: Daniil Gentili <daniil@daniil.it>
Date: Sun, 9 Jul 2023 18:42:42 +0200
Subject: [PATCH] Improve pure phar installs

---
 src/Ipc/Runner/RunnerAbstract.php |  7 +++++
 tools/makephar.php                | 43 ++++++++++++++++++++++++++++++-
 tools/phar.php                    |  8 ++----
 3 files changed, 51 insertions(+), 7 deletions(-)

diff --git a/src/Ipc/Runner/RunnerAbstract.php b/src/Ipc/Runner/RunnerAbstract.php
index 04c3145bd..b716f5b20 100644
--- a/src/Ipc/Runner/RunnerAbstract.php
+++ b/src/Ipc/Runner/RunnerAbstract.php
@@ -6,6 +6,7 @@ namespace danog\MadelineProto\Ipc\Runner;
 
 use Phar;
 
+use const MADELINE_PHAR;
 use const MADELINE_PHP;
 
 /**
@@ -29,6 +30,12 @@ abstract class RunnerAbstract
         if (\defined('MADELINE_PHP')) {
             return MADELINE_PHP;
         }
+        /**
+         * If using madeline.phar, simply return madeline.phar path.
+         */
+        if (\defined('MADELINE_PHAR')) {
+            return MADELINE_PHAR;
+        }
         // Write process runner to external file if inside a PHAR different from madeline.phar,
         // because PHP can't open files inside a PHAR directly except for the stub.
         if (\strpos(self::SCRIPT_PATH, 'phar://') === 0) {
diff --git a/tools/makephar.php b/tools/makephar.php
index 211cbf894..c3770c823 100755
--- a/tools/makephar.php
+++ b/tools/makephar.php
@@ -25,12 +25,53 @@ $p->addFromString('.git/refs/heads/v8', $argv[3]);
 
 $p->setStub('<?php
 
+if ((PHP_MAJOR_VERSION === 8 && PHP_MINOR_VERSION < 1) || PHP_MAJOR_VERSION <= 7) {
+    die("MadelineProto requires at least PHP 8.1.".PHP_EOL);
+}
+if (PHP_INT_SIZE < 8) {
+    die("A 64-bit build of PHP is required to run MadelineProto, PHP 8.1 is required.".PHP_EOL);
+}
+
+if (\defined("MADELINE_PHAR")) {
+    throw new \Exception("Please do not include madeline.phar twice, use require_once \'madeline.phar\';!");
+}
+
+if (!\defined(\'MADELINE_ALLOW_COMPOSER\') && \class_exists(\Composer\Autoload\ClassLoader::class)) {
+    throw new \Exception(\'Composer autoloader detected: madeline.phar is incompatible with Composer, please install MadelineProto using composer: https://docs.madelineproto.xyz/docs/INSTALLATION.html#composer-from-existing-project\');
+}
+
+\define(\'MADELINE_PHAR\', __FILE__);
+
 if (defined("MADELINE_REAL_ROOT")) {
     @chdir(MADELINE_REAL_ROOT);
+} else {
+    $backtrace = \debug_backtrace(0);
+    if (\count($backtrace) === 1) {
+        if (isset($GLOBALS["argv"]) && !empty($GLOBALS["argv"])) {
+            $arguments = \array_slice($GLOBALS["argv"], 1);
+        } elseif (isset($_GET["argv"]) && !empty($_GET["argv"])) {
+            $arguments = $_GET["argv"];
+        } else {
+            $arguments = [];
+        }
+        if (\count($arguments) >= 2) {
+            \define(\MADELINE_WORKER_TYPE::class, \array_shift($arguments));
+            \define(\MADELINE_WORKER_ARGS::class, $arguments);
+        } else {
+            die("MadelineProto loader: you must include this file in another PHP script, see https://docs.madelineproto.xyz for more info.".PHP_EOL);
+        }
+        \define("MADELINE_REAL_ROOT", \dirname($backtrace[0]["file"]));
+    }
 }
 
 Phar::interceptFileFuncs();
 Phar::mapPhar("'.$argv[2].'"); 
-return require_once "phar://'.$argv[2].'/vendor/autoload.php"; 
+$result = require_once "phar://'.$argv[2].'/vendor/autoload.php"; 
+
+if (\defined("MADELINE_WORKER_TYPE") && \constant("MADELINE_WORKER_TYPE") === "madeline-ipc") {
+    require_once "phar://'.$argv[2].'/vendor/danog/madelineproto/src/Ipc/Runner/entry.php";
+}
+
+return $result;
 
 __HALT_COMPILER(); ?>');
diff --git a/tools/phar.php b/tools/phar.php
index 3febca1b3..b260d5a67 100644
--- a/tools/phar.php
+++ b/tools/phar.php
@@ -7,7 +7,7 @@ if (\defined('MADELINE_PHP')) {
 }
 
 if (!\defined('MADELINE_ALLOW_COMPOSER') && \class_exists(\Composer\Autoload\ClassLoader::class)) {
-    throw new \Exception('Composer autoloader detected: madeline.php is incompatible with Composer, please require \'danog/madelineproto:^7\' using composer.');
+    throw new \Exception('Composer autoloader detected: madeline.php is incompatible with Composer, please install MadelineProto using composer: https://docs.madelineproto.xyz/docs/INSTALLATION.html#composer-from-existing-project');
 }
 
 \define('MADELINE_PHP', __FILE__);
@@ -169,11 +169,7 @@ class Installer
             self::$lock = \fopen("$phar.lock", 'c');
         }
         \flock(self::$lock, LOCK_SH);
-        $result = require_once $phar;
-        if (\defined('MADELINE_WORKER_TYPE') && \constant('MADELINE_WORKER_TYPE') === 'madeline-ipc') {
-            require_once "phar://$phar/vendor/danog/madelineproto/src/Ipc/Runner/entry.php";
-        }
-        return $result;
+        return require_once $phar;
     }
 
     /**