package-extractor-react/original.html at master · maoyeedy/package-extractor-react · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Unity Package Extractor (Browser)</title>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/pako/2.1.0/pako.min.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/jszip/3.7.1/jszip.min.js"></script>
    <style>
        body {
            font-family: 'Noto Sans', 'Noto Sans JP', 'Noto Sans KR', Arial, sans-serif;
            max-width: 800px;
            margin: 0 auto;
            padding: 20px;
            background-color: #f0f0f0;
            color: #333;
        }
        h1 {
            color: #2c3e50;
            text-align: center;
        }
        #dropZone {
            border: 2px dashed #3498db;
            border-radius: 20px;
            width: 100%;
            height: 200px;
            display: flex;
            justify-content: center;
            align-items: center;
            margin-bottom: 20px;
            background-color: #ecf0f1;
            transition: background-color 0.3s;
            cursor: pointer;
        }
        #dropZone:hover {
            background-color: #d6eaf8;
        }
        #fileList {
            list-style-type: none;
            padding: 0;
        }
        #fileList li {
            margin-bottom: 10px;
            position: relative;
        }
        .category {
            margin-top: 20px;
            background-color: white;
            padding: 15px;
            border-radius: 10px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        }
        .category h3 {
            margin-bottom: 10px;
            color: #2980b9;
        }
        .download-all {
            margin-top: 20px;
            text-align: center;
        }
        button {
            background-color: #3498db;
            color: white;
            border: none;
            padding: 10px 20px;
            border-radius: 5px;
            cursor: pointer;
            transition: background-color 0.3s;
        }
        button:hover {
            background-color: #2980b9;
        }
        a {
            color: #3498db;
            text-decoration: none;
        }
        a:hover {
            text-decoration: underline;
        }
        .checkbox-container {
            margin-bottom: 10px;
        }
        .preview {
            position: absolute;
            left: 100%;
            top: 0;
            max-width: 200px;
            max-height: 200px;
            border: 1px solid #ccc;
            border-radius: 5px;
            box-shadow: 0 0 10px rgba(0,0,0,0.1);
            display: none;
            z-index: 1000;
        }
        .file-info {
            font-size: 0.8em;
            color: #666;
            margin-left: 10px;
        }
    </style>
</head>
<body>
    <h1 data-lang="title">Package Extractor</h1>
    <p><span data-lang="description">You can individually retrieve textures, model data, and other files within the .unitypackage extension from your browser. </span></p>

    <p><span data-lang="repository">Repository: </span><a href="https://github.com/peraperavrc/package-extractor" target="_blank">peraperavrc/package-extractor</a></p>
    <p><span data-lang="creator">Created by </span><a href="https://x.com/peraperavrc" target="_blank">@peraperavrc</a></p>

    <div id="dropZone" data-lang="dropZone">Drag and drop Unity package here</div>
    <input type="file" id="fileInput" style="display: none;" accept=".unitypackage">
    <div class="checkbox-container">
        <input type="checkbox" id="excludeMeta" checked>
        <label for="excludeMeta" data-lang="excludeMeta">Exclude .meta files</label>
    </div>
    <div class="checkbox-container">
        <input type="checkbox" id="categorizeByExtension" checked>
        <label for="categorizeByExtension" data-lang="categorizeByExtension">Categorize by file extension</label>
    </div>
    <div class="checkbox-container">
        <input type="checkbox" id="maintainStructure">
        <label for="maintainStructure" data-lang="maintainStructure">Maintain file structure</label>
    </div>
    <div class="checkbox-container">
        <input type="checkbox" id="enablePreview" checked>
        <label for="enablePreview" data-lang="enablePreview">Enable texture preview</label>
    </div>
    <div class="checkbox-container">
        <input type="checkbox" id="showFileSize" checked>
        <label for="showFileSize" data-lang="showFileSize">Show file size</label>
    </div>
    <div id="fileList"></div>
    <div class="download-all">
        <button id="downloadAllBtn" style="display: none;" data-lang="downloadAll">Download All as ZIP</button>
    </div>

    <script>
        const translations = {
            en: {
                title: "Package Extractor",
                description: "You can individually retrieve textures, model data, and other files within the .unitypackage extension from your browser. ",
                "description-end": "This implementation is based on the ",
                creator: "Created by ",
                repository: "Repository: ",
                dropZone: "Drag and drop .unitypackage here",
                excludeMeta: "Exclude .meta files",
                categorizeByExtension: "Categorize by file extension",
                maintainStructure: "Maintain file structure",
                enablePreview: "Enable texture preview",
                showFileSize: "Show file size",
                downloadAll: "Download All as ZIP",
                downloadCategory: "Download {0} as ZIP",
                errorMessage: "An error occurred while processing the package. Please check the console for details.",
                invalidFile: "Please drop a Unity package file (.unitypackage)."
            },
            ja: {
                title: "開ける君",
                description: "ブラウザーから.unitypackageの拡張子の中にあるテクスチャやモデルデータを見ることができます。スクリプトはクライアントサイドのみ（自分のブラウザ）で動作します。",
                "description-end": "この実装はunity-package-extractライブラリを参考にしています。",
                creator: "作成者: ",
                repository: "リポジトリ: ",
                dropZone: ".unitypackageをここにドラッグ＆ドロップしてください",
                excludeMeta: ".metaファイルを除外する",
                categorizeByExtension: "ファイル拡張子で分類する",
                maintainStructure: "ファイル構造を維持する",
                enablePreview: "テクスチャのプレビューを有効にする",
                showFileSize: "ファイルサイズを表示する",
                downloadAll: "すべてをZIPでダウンロード",
                downloadCategory: "{0}をZIPでダウンロード",
                errorMessage: "パッケージの処理中にエラーが発生しました。詳細はコンソールを確認してください。",
                invalidFile: "Unityパッケージファイル（.unitypackage）をドロップしてください。"
            },
            ko: {
                title: "Package Extractor",
                description: "브라우저에서 .unitypackage 확장자 내의 텍스처, 모델 데이터 등을 개별적으로 가져올 수 있습니다. ",
                "description-end": "이 구현은 ",
                creator: "제작자: ",
                repository: "리포지토리: ",
                dropZone: ".unitypackage를 여기에 드래그 앤 드롭하세요",
                excludeMeta: ".meta 파일 제외",
                categorizeByExtension: "파일 확장자별로 분류",
                maintainStructure: "파일 구조 유지",
                enablePreview: "텍스처 미리보기 활성화",
                showFileSize: "파일 크기 표시",
                downloadAll: "모두 ZIP으로 다운로드",
                downloadCategory: "{0}을(를) ZIP으로 다운로드",
                errorMessage: "패키지 처리 중 오류가 발생했습니다. 자세한 내용은 콘솔을 확인하세요.",
                invalidFile: "Unity 패키지 파일(.unitypackage)을 드롭해주세요."
            }
        };

        let currentLanguage = navigator.language.split('-')[0];
        if (!translations[currentLanguage]) {
            currentLanguage = 'en';
        }

        function updateLanguage(lang) {
            document.querySelectorAll('[data-lang]').forEach(el => {
                const key = el.getAttribute('data-lang');
                if (translations[lang][key]) {
                    el.textContent = translations[lang][key];
                }
            });
        }

        class UnityExtractClient {
            constructor() {}

            async extract(arrayBuffer) {
                const unzipped = pako.ungzip(new Uint8Array(arrayBuffer));
                return this.parseTarball(unzipped);
            }

            parseTarball(data) {
                const files = {};
                let offset = 0;

                while (offset < data.length) {
                    const header = data.slice(offset, offset + 512);
                    const nameBuffer = header.slice(0, 100);
                    const name = new TextDecoder().decode(nameBuffer).replace(/\0/g, '').trim();

                    const sizeBuffer = header.slice(124, 136);
                    const size = parseInt(new TextDecoder().decode(sizeBuffer).trim(), 8);

                    if (size > 0) {
                        const content = data.slice(offset + 512, offset + 512 + size);
                        files[name] = content;
                    }

                    offset += 512 + Math.ceil(size / 512) * 512;
                }

                return this.convert(files);
            }

            convert(files) {
                const convertedFiles = {};
                const directories = Object.keys(files).filter(filename => filename.endsWith('/pathname'));

                for (const dir of directories) {
                    const basePath = dir.replace('/pathname', '');
                    const pathContent = new TextDecoder().decode(files[dir]);
                    const newPath = pathContent.split('\n')[0];  // Only use the first line

                    const assetPath = `${basePath}/asset`;
                    const metaPath1 = `${basePath}/asset.meta`;
                    const metaPath2 = `${basePath}/metaData`;

                    if (files[assetPath]) {
                        convertedFiles[newPath] = files[assetPath];
                    }

                    if (files[metaPath1]) {
                        convertedFiles[`${newPath}.meta`] = files[metaPath1];
                    } else if (files[metaPath2]) {
                        convertedFiles[`${newPath}.meta`] = files[metaPath2];
                    }
                }

                return convertedFiles;
            }
        }

        const dropZone = document.getElementById('dropZone');
        const fileInput = document.getElementById('fileInput');
        const fileList = document.getElementById('fileList');
        const excludeMetaCheckbox = document.getElementById('excludeMeta');
        const categorizeByExtensionCheckbox = document.getElementById('categorizeByExtension');
        const maintainStructureCheckbox = document.getElementById('maintainStructure');
        const enablePreviewCheckbox = document.getElementById('enablePreview');
        const showFileSizeCheckbox = document.getElementById('showFileSize');
        const downloadAllBtn = document.getElementById('downloadAllBtn');
        const extractor = new UnityExtractClient();
        let extractedFiles = {};

        dropZone.addEventListener('dragover', (e) => {
            e.preventDefault();
            e.stopPropagation();
        });

        dropZone.addEventListener('drop', async (e) => {
            e.preventDefault();
            e.stopPropagation();

            const files = e.dataTransfer.files;
            if (files.length > 0) {
                const file = files[0];
                if (file.name.endsWith('.unitypackage')) {
                    await processUnityPackage(file);
                } else {
                    alert(translations[currentLanguage].invalidFile);
                }
            }
        });

        dropZone.addEventListener('click', () => {
            fileInput.click();
        });

        fileInput.addEventListener('change', async (e) => {
            const files = e.target.files;
            if (files.length > 0) {
                const file = files[0];
                if (file.name.endsWith('.unitypackage')) {
                    await processUnityPackage(file);
                } else {
                    alert(translations[currentLanguage].invalidFile);
                }
            }
        });

        async function processUnityPackage(file) {
            try {
                const arrayBuffer = await file.arrayBuffer();
                console.log('Package data length:', arrayBuffer.byteLength);

                extractedFiles = await extractor.extract(arrayBuffer);
                console.log('Extracted files:', Object.keys(extractedFiles));

                displayExtractedFiles(extractedFiles);
                downloadAllBtn.style.display = 'block';
            } catch (error) {
                console.error('Error processing Unity package:', error);
                alert(translations[currentLanguage].errorMessage);
            }
        }

        function displayExtractedFiles(files) {
            fileList.innerHTML = '';
            const categorizedFiles = {};

            for (const [path, content] of Object.entries(files)) {
                if (excludeMetaCheckbox.checked && path.endsWith('.meta')) {
                    continue;
                }

                const extension = path.split('.').pop().toLowerCase();
                if (!categorizedFiles[extension]) {
                    categorizedFiles[extension] = [];
                }
                categorizedFiles[extension].push({ path, content });
            }

            if (categorizeByExtensionCheckbox.checked) {
                for (const [extension, files] of Object.entries(categorizedFiles)) {
                    const category = document.createElement('div');
                    category.className = 'category';
                    const categoryTitle = document.createElement('h3');
                    categoryTitle.textContent = extension.toUpperCase();
                    category.appendChild(categoryTitle);

                    const categoryList = document.createElement('ul');
                    files.forEach(file => {
                        const li = createFileListItem(file.path, file.content);
                        categoryList.appendChild(li);
                    });
                    category.appendChild(categoryList);

                    const downloadCategoryBtn = document.createElement('button');
                    downloadCategoryBtn.textContent = translations[currentLanguage].downloadCategory.replace('{0}', extension.toUpperCase());
                    downloadCategoryBtn.addEventListener('click', () => downloadCategory(extension, files));
                    category.appendChild(downloadCategoryBtn);

                    fileList.appendChild(category);
                }
            } else {
                const allFiles = Object.values(categorizedFiles).flat();
                const ul = document.createElement('ul');
                allFiles.forEach(file => {
                    const li = createFileListItem(file.path, file.content);
                    ul.appendChild(li);
                });
                fileList.appendChild(ul);
            }
        }

        function createFileListItem(path, content) {
            const li = document.createElement('li');
            const a = document.createElement('a');
            const blob = new Blob([content], { type: 'application/octet-stream' });
            const url = URL.createObjectURL(blob);
            a.href = url;
            a.textContent = maintainStructureCheckbox.checked ? path : path.split('/').pop();
            a.download = maintainStructureCheckbox.checked ? path : path.split('/').pop();
            li.appendChild(a);

            if (showFileSizeCheckbox.checked) {
                const fileSize = document.createElement('span');
                fileSize.className = 'file-info';
                fileSize.textContent = ` (${formatFileSize(content.byteLength)})`;
                li.appendChild(fileSize);
            }

            if (enablePreviewCheckbox.checked && isImageFile(path)) {
                const preview = document.createElement('img');
                preview.className = 'preview';
                preview.src = url;
                li.appendChild(preview);

                a.addEventListener('mouseover', () => {
                    preview.style.display = 'block';
                });

                a.addEventListener('mouseout', () => {
                    preview.style.display = 'none';
                });
            }

            return li;
        }

        function formatFileSize(bytes) {
            const sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB'];
            if (bytes === 0) return '0 Byte';
            const i = parseInt(Math.floor(Math.log(bytes) / Math.log(1024)));
            return Math.round(bytes / Math.pow(1024, i), 2) + ' ' + sizes[i];
        }

        function isImageFile(path) {
            const extension = path.split('.').pop().toLowerCase();
            return ['png', 'jpg', 'jpeg', 'gif', 'bmp'].includes(extension);
        }

        async function downloadCategory(extension, files) {
            const zip = new JSZip();
            files.forEach(file => {
                const filePath = maintainStructureCheckbox.checked ? file.path : file.path.split('/').pop();
                zip.file(filePath, file.content);
            });
            const content = await zip.generateAsync({ type: 'blob' });
            const link = document.createElement('a');
            link.href = URL.createObjectURL(content);
            link.download = `${extension}_files.zip`;
            link.click();
        }

        async function downloadAll() {
            const zip = new JSZip();
            for (const [path, content] of Object.entries(extractedFiles)) {
                if (excludeMetaCheckbox.checked && path.endsWith('.meta')) {
                    continue;
                }
                const filePath = maintainStructureCheckbox.checked ? path : path.split('/').pop();
                zip.file(filePath, content);
            }
            const content = await zip.generateAsync({ type: 'blob' });
            const link = document.createElement('a');
            link.href = URL.createObjectURL(content);
            link.download = 'all_files.zip';
            link.click();
        }

        excludeMetaCheckbox.addEventListener('change', () => {
            displayExtractedFiles(extractedFiles);
        });

        categorizeByExtensionCheckbox.addEventListener('change', () => {
            displayExtractedFiles(extractedFiles);
        });

        maintainStructureCheckbox.addEventListener('change', () => {
            displayExtractedFiles(extractedFiles);
        });

        downloadAllBtn.addEventListener('click', downloadAll);

        // Initialize language
        updateLanguage(currentLanguage);
    </script>
</body>
</html>