cloudku-uploader/index.cjs

Modern zero-dependency file uploader with auto-conversion, chunked uploads, and TypeScript support. Upload images, videos, audio, and documents to CloudKu with blazing-fast performance.

class UploadFile {
    constructor() {
        this.baseUrls = [
            'https://cloudkuimages.guru',
            'https://cloudkuimages-guru.us.itpanel.app'
        ];
        this.headers = {
            'x-content-type-options': 'nosniff',
            'x-frame-options': 'DENY',
            'x-xss-protection': '0',
            'referrer-policy': 'strict-origin-when-cross-origin,origin',
            'x-provided-by': 'StackCDN',
            'Referer': 'https://cloudkuimages.guru',
            'Origin': 'https://cloudkuimages.guru',
            'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36'
        };
        this.currentUrlIndex = 0;
    }

    buildFormData(fileBuffer, fileName, expireDate = null) {
        const boundary = '----formdata-' + Math.random().toString(36);
        let body = `--${boundary}\r\n`;
        body += `Content-Disposition: form-data; name="file"; filename="${fileName}"\r\n`;
        body += `Content-Type: application/octet-stream\r\n\r\n`;
        
        const encoder = new TextEncoder();
        const bodyStart = encoder.encode(body);
        
        let expireSection = new Uint8Array(0);
        if (expireDate) {
            const expireBody = `\r\n--${boundary}\r\n`;
            const expireField = `Content-Disposition: form-data; name="expire_date"\r\n\r\n${expireDate}`;
            expireSection = encoder.encode(expireBody + expireField);
        }
        
        const bodyEnd = encoder.encode(`\r\n--${boundary}--\r\n`);
        const totalLength = bodyStart.length + fileBuffer.length + expireSection.length + bodyEnd.length;
        const fullBody = new Uint8Array(totalLength);
        
        let offset = 0;
        fullBody.set(bodyStart, offset);
        offset += bodyStart.length;
        fullBody.set(new Uint8Array(fileBuffer), offset);
        offset += fileBuffer.length;
        fullBody.set(expireSection, offset);
        offset += expireSection.length;
        fullBody.set(bodyEnd, offset);
        
        return { fullBody, boundary };
    }

    upload(fileBuffer, fileName = 'upload.jpg', expireDate = null) {
        return new Promise((resolve) => {
            this.currentUrlIndex = 0;
            const endpoint = expireDate ? '/temp.php' : '/upload.php';
            
            const tryUpload = () => {
                const url = this.baseUrls[this.currentUrlIndex] + endpoint;
                const { fullBody, boundary } = this.buildFormData(fileBuffer, fileName, expireDate);
                
                fetch(url, {
                    method: 'POST',
                    headers: {
                        ...this.headers,
                        'Content-Type': `multipart/form-data; boundary=${boundary}`
                    },
                    body: fullBody
                })
                .then(response => response.json())
                .then(result => {
                    result.information = 'https://cloudkuimages.guru/ch';
                    resolve(result);
                })
                .catch(err => {
                    this.currentUrlIndex++;
                    if (this.currentUrlIndex < this.baseUrls.length) {
                        tryUpload();
                    } else {
                        resolve({
                            status: 'error',
                            message: 'Upload failed: ' + err.message,
                            information: 'https://cloudkuimages.guru/ch'
                        });
                    }
                });
            };
            
            tryUpload();
        });
    }
}

module.exports = UploadFile;