MWeb 本地图片上传到 Github 服务

MWeb.php

<?php
/**
 * MWeb 本地图片上传到 Github 服务
 * User: TingV
 * Date: 2019-05-31
 * Time: 06:10
 */

$token = $_SERVER['HTTP_TOKEN'];    // 个人访问令牌 [ 必须 ] 获取地址: https://github.com/settings/tokens
$owner = $_SERVER['HTTP_OWNER'];    // Github 用户名 [ 必须 ]
$repo = $_SERVER['HTTP_REPO'];      // 仓库名 [ 必须 ]
$branch = isset($_SERVER['HTTP_BRANCH']) ? $_SERVER['HTTP_BRANCH'] : 'master';  // 分支 [ 默认: master ]


$file_name = $_FILES['file']['name'];
$tmp_name = $_FILES['file']['tmp_name'];

if ( $_FILES['file']['error'] !== UPLOAD_ERR_OK ){
    die("图片 " . $file_name . " 上传失败");
}

$extension = strtolower(pathinfo($file_name, PATHINFO_EXTENSION));  // 获取文件后缀

if ( !in_array($extension, ['gif', 'jpg', 'jpeg', 'bmp', 'png', 'swf']) ) {
    die("图片 " . $file_name . " 后缀非法");
}

$save_name = date('YmdHis') . '.' . $extension; // 保存的文件名
$upload_path = date('Y') . DIRECTORY_SEPARATOR . date('m') . DIRECTORY_SEPARATOR . date('d');   // 上传目录
$tmp_save_file = __DIR__ . DIRECTORY_SEPARATOR . 'uploads' . DIRECTORY_SEPARATOR . $owner . DIRECTORY_SEPARATOR . $repo . DIRECTORY_SEPARATOR . $branch . DIRECTORY_SEPARATOR . $save_name;    // 临时保存文件
$tmp_save_path = dirname($tmp_save_file);   // 临时保存目录
!is_dir($tmp_save_path) && mkdir($tmp_save_path, 0755, true); // 创建临时保存目录

if( move_uploaded_file($tmp_name, $tmp_save_file) == false ){
    die("图片 " . $file_name . " 移动失败");
}

if ( !in_array(getImageType($tmp_save_file), [1, 2, 3, 4, 6, 13]) ){
    @unlink($tmp_save_file);
    die("图片 " . $file_name . " 类型非法");
}

$content = base64EncodeImage($tmp_save_file);

$headers = [
    'Authorization: token ' . $token,
    'Content-Type: application/json',
    'User-Agent: ' . (isset($_SERVER['HTTP_USER_AGENT']) ? $_SERVER['HTTP_USER_AGENT'] : 'MWeb/3.2.3 (Mac OS X ban ben 10.14.5(ban hao 18F132))'),
];

$data = json_encode([
    'branch'=> $branch,
    'message'=> isset($_SERVER['HTTP_MESSAGE']) ? $_SERVER['HTTP_MESSAGE'] : 'Upload by MWeb',
    'content'=> $content,
]);

$url = "https://api.github.com/repos/{$owner}/{$repo}/contents/{$upload_path}/{$save_name}";

$data = request($url, $headers, $data);

@unlink($tmp_save_file);

header('Content-Type:application/json; charset=utf-8');
die($data); // 输出 Github 返回值

function request($url, $headers, $data)
{
    $handle = curl_init();
    curl_setopt($handle,CURLOPT_URL, $url);
    curl_setopt($handle,CURLOPT_HEADER,0);
    curl_setopt($handle,CURLOPT_HTTPHEADER, $headers);
    curl_setopt($handle,CURLOPT_RETURNTRANSFER,true);
    curl_setopt($handle,CURLOPT_SSL_VERIFYHOST,false);
    curl_setopt($handle,CURLOPT_SSL_VERIFYPEER,false);
    curl_setopt($handle,CURLOPT_CUSTOMREQUEST,'PUT');
    curl_setopt($handle,CURLOPT_POSTFIELDS, $data);
    $data = curl_exec($handle);
    curl_close($handle);
    return $data;
}

function base64EncodeImage($image_file) {
    $image_data = fread(fopen($image_file, 'r'), filesize($image_file));
    $base64_image = base64_encode($image_data);
    return $base64_image;
}

function getImageType($image){
    if (function_exists('exif_imagetype')) {
        return exif_imagetype($image);
    }

    try {
        $info = getimagesize($image);
        return $info ? $info[2] : false;
    } catch (\Exception $e) {
        return false;
    }
}