From ec12ccc8526dba7481580d7e10507ac65fa24323 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E3=83=86=E3=82=AF=E3=83=8B=E3=82=AB=E3=83=AB=E8=AB=8F?=
 =?UTF-8?q?=E8=A8=AA=E5=AD=90?= <renraku@076.ne.jp>
Date: Wed, 30 Mar 2022 19:14:21 +0900
Subject: [PATCH] =?UTF-8?q?=E3=83=95=E3=82=A1=E3=82=A4=E3=83=AB=E3=82=A2?=
 =?UTF-8?q?=E3=83=83=E3=83=97=E3=83=AD=E3=83=BC=E3=83=89?=
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---
 helper/upload.php    | 105 ++++++++++++++++++++++++++++++++++++++++++-
 helper/uuid.php      |  12 +++++
 src/upload/index.php |  16 +++++++
 ui/upload/index.php  |   4 ++
 4 files changed, 136 insertions(+), 1 deletion(-)
 create mode 100644 helper/uuid.php
 create mode 100644 src/upload/index.php
 create mode 100644 ui/upload/index.php

diff --git a/helper/upload.php b/helper/upload.php
index e333e2d..f7a54ef 100644
--- a/helper/upload.php
+++ b/helper/upload.php
@@ -1,3 +1,106 @@
 <?php
-  function loliupload () {}
+  require_once('uuid.php');
+
+  function fileextension ($fname) {
+    $ext = strrpos($fname, '.');
+
+    return $ext === false ? '' : substr($fname, $ext + 1);
+  }
+
+  // ISOはfalseだったら、kB、MB、GB、TBになります。
+  // trueの場合、KiB、MiB、GiB、TiBです。
+  function humanreadablesize (int $byte, bool $iso=true): string {
+    $bit = $iso ? 1024 : 1000;
+    $res = 'B';
+    $size = $byte;
+
+    if ($byte >= ($bit * $bit * $bit * $bit * $bit)) {
+//dd(5);
+      $size = $byte / ($bit * $bit * $bit * $bit * $bit);
+      $res = $iso ? 'TiB' : 'TB';
+    }
+    else if ($byte >= ($bit * $bit * $bit * $bit)) {
+//dd(4);
+      $size = $byte / ($bit * $bit * $bit * $bit);
+      $res = $iso ? 'TiB' : 'TB';
+    }
+    else if ($byte >= ($bit * $bit * $bit)) {
+//dd(3);
+      $size = $byte / ($bit * $bit * $bit);
+      $res = $iso ? 'GiB' : 'GB';
+    }
+    else if ($byte >= ($bit * $bit)) {
+//dd(2);
+      $size = $byte / ($bit * $bit);
+      $res = $iso ? 'MiB' : 'MB';
+    }
+    else if ($byte >= $bit) {
+//dd(1);
+      $size = $byte / $bit;
+      $res = $iso ? 'KiB' : 'kB';
+    }
+//dd($size);
+
+    return number_format($size, 2).' '.$res;
+  }
+
+  function getmimetype (string $fname): string|null {
+    $i = 0;
+
+    foreach ($_FILES as $v) {
+      if ($fname == $v['name'][$i]) {
+        return $v['type'][$i];
+      }
+
+      $i++;
+    }
+
+    return null;
+  }
+
+  function verifyupload (): array {
+    $res = [];
+    $i = 0;
+
+    foreach ($_FILES as $file) {
+      if ($file['error'][$i] != 0) {
+        $err = '';
+        switch ($file['error'][$i]) {
+          case 1: $err = 'php.iniでの「upload_max_filesize」値が超えています。ファイルサイズ：'.humanreadablesize($file['size'][$i]); break;
+          case 2: $err = 'HTMLフォームの「MAX_FILE_SIZE」値が超えています。ファイルサイズ：'.humanreadablesize($file['size'][$i]); break;
+          case 3: $err = 'ファイルの部分の失敗です。'; break;
+          case 4: $err = 'ファイルをアップロード出来ません。'; break;
+          case 5: $err = '不明'; break;
+          case 6: $err = '仮フォルダがありません。'; break;
+          case 7: $err = 'uploadフォルダに書き込めません。'; break;
+          case 8: $err = '拡張子がありません。'; break;
+        }
+
+        $res[$file['name'][$i]] = $err;
+      }
+
+      $i++;
+    }
+
+    return $res;
+  }
+
+  function loliupload (array $files): bool {
+    $dir = __DIR__.'/../public/static/upload/';
+    $fname = '';
+
+    if (!file_exists($dir)) {
+      mkdir($dir, 0777);
+    }
+
+    do {
+      $fname = uuid().'.'.fileextension($files['name'][0]);
+    } while (file_exists($dir.$fname));
+
+    if (move_uploaded_file($files['tmp_name'][0], $dir.$fname)) {
+      return true;
+    }
+
+    return false;
+  }
 ?>
diff --git a/helper/uuid.php b/helper/uuid.php
new file mode 100644
index 0000000..dc222b0
--- /dev/null
+++ b/helper/uuid.php
@@ -0,0 +1,12 @@
+<?php
+  function uuid () {
+    return sprintf(
+      '%04x%04x-%04x-%04x-%04x-%04x%04x%04x',
+      mt_rand(0, 0xffff), mt_rand(0, 0xffff), // 32bitlow
+      mt_rand(0, 0xffff), // 16bitmid
+      mt_rand(0, 0x0fff) | 0x4000, // 16bithigh
+      mt_rand(0, 0x3fff) | 0x8000, // 16bit|8bithigh|low
+      mt_rand(0, 0xffff), mt_rand(0, 0xffff), mt_rand(0, 0xffff) // 48bitnode
+    );
+  }
+?>
diff --git a/src/upload/index.php b/src/upload/index.php
new file mode 100644
index 0000000..09c8ad9
--- /dev/null
+++ b/src/upload/index.php
@@ -0,0 +1,16 @@
+<?php
+  $title = 'アップロード';
+  $sitedesc = 'アップロードです。';
+  $siteurl  .= '/upload';
+  $childview = '../ui/upload/index.php';
+
+  if (isset($_FILES['file'])) {
+    //dd($_FILES['file']);
+    //dd(fileextension($_FILES['file']['name'][0]));
+    //dd(humanreadablesize($_FILES['file']['size'][0]));
+    //dd(getmimetype('egaokero.png')); // 存在する
+    //dd(getmimetype('klsdhnjkfjlsdjhnvgf.png')); // 存在しない
+    //dd(verifyupload());
+    dd(loliupload($_FILES['file']));
+  }
+?>
diff --git a/ui/upload/index.php b/ui/upload/index.php
new file mode 100644
index 0000000..f7fa116
--- /dev/null
+++ b/ui/upload/index.php
@@ -0,0 +1,4 @@
+<form method="POST" action="/upload" enctype="multipart/form-data">
+  <input type="file" name="file" />
+  <input type="submit" name="submit" value="送信" />
+</form>