500 lines
17 KiB
Python
500 lines
17 KiB
Python
#!/usr/bin/env python3
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import socket
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import threading
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import mimetypes
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from pathlib import Path
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from typing import List, Optional, Callable
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from http.server import HTTPServer, BaseHTTPRequestHandler
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import html
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import json
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def format_size(bytes_val: int) -> str:
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if bytes_val is None: return ""
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if bytes_val < 1024:
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return f"{bytes_val} Bytes"
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elif bytes_val < 1024**2:
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return f"{bytes_val/1024:.2f} KB"
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elif bytes_val < 1024**3:
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return f"{bytes_val/1024**2:.2f} MB"
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else:
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return f"{bytes_val/1024**3:.2f} GB"
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class FileShareHandler(BaseHTTPRequestHandler):
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shared_files: List[str] = []
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shared_text: Optional[str] = None
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on_download: Optional[Callable[[str, str], None]] = None
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def log_message(self, format, *args):
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pass
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def _get_base_html(self, title: str, body_content: str, initial_data_script: str = "") -> str:
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return f"""<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<title>{html.escape(title)}</title>
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<style type="text/css">
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html {{
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box-sizing: border-box;
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}}
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*, *:before, *:after {{
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-webkit-box-sizing: inherit;
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-moz-box-sizing: inherit;
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box-sizing: inherit;
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}}
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html, body {{
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margin: 0;
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padding: 0;
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}}
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body {{
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font-family: Arial, Helvetica, sans-serif;
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background: #f3f4f6;
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color: #222;
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line-height: 1.4;
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font-size: 14px;
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}}
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.container {{
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width: 95%;
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max-width: 760px;
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margin: 10px auto;
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background: #ffffff;
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border: 1px solid #cfcfcf;
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padding: 16px;
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}}
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.header {{
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padding-bottom: 12px;
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border-bottom: 2px solid #e6e6e6;
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overflow: hidden;
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}}
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.brand {{
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float: left;
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font-weight: bold;
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font-size: 20px;
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color: #2b65a3;
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}}
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.subtitle {{
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float: right;
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color: #666;
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font-size: 12px;
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margin-top: 4px;
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text-align: right;
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}}
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.main {{
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margin-top: 16px;
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overflow: hidden;
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}}
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.left-col {{
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float: left;
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width: 60%;
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min-width: 300px;
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}}
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.right-col {{
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float: left;
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width: 36%;
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min-width: 160px;
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margin-left: 12px;
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}}
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.section {{ margin-bottom: 18px; }}
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h2 {{
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font-size: 16px;
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margin: 6px 0 10px 0;
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color: #333;
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}}
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p {{ margin: 8px 0; color: #444; }}
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table.file-list {{
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width: 100%;
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border-collapse: collapse;
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border-spacing: 0;
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}}
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table.file-list th, table.file-list td {{
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padding: 8px 6px;
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border-bottom: 1px solid #eaeaea;
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text-align: left;
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vertical-align: middle;
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}}
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table.file-list th {{
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background: #f7f7f7;
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font-size: 13px;
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color: #333;
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}}
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a.button {{
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display: inline-block;
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padding: 6px 10px;
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text-decoration: none;
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border: 1px solid #9fb3d6;
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background: #e9f0fb;
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color: #1a4f86;
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cursor: pointer;
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font-size: 13px;
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}}
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a.button:hover {{ text-decoration: underline; }}
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textarea.share-text {{
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width: 100%;
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height: 220px;
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font-family: "Courier New", Courier, monospace;
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font-size: 12px;
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padding: 6px;
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border: 1px solid #ccc;
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background: #fafafa;
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}}
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.clearfix {{ display: block; }}
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.footer {{
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margin-top: 16px;
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padding-top: 12px;
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border-top: 1px solid #eaeaea;
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text-align: center;
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font-size: 11px;
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color: #888;
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}}
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.footer a {{
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color: #555;
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text-decoration: none;
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}}
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.footer a:hover {{ text-decoration: underline; }}
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/* Responsive styles */
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@media screen and (max-width: 600px) {{
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.left-col, .right-col {{
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width: 100%;
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float: none;
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margin-left: 0;
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min-width: 0;
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}}
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.subtitle {{
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float: none;
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text-align: left;
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margin-top: 8px;
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}}
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}}
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</style>
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</head>
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<body>
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<div class="container">
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<div class="header">
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<div class="brand">CLARA Share</div>
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<div class="subtitle">Simple file & text sharing — local network</div>
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</div>
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{body_content}
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<div class="footer">
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<p>Powered by <a href="https://github.com/n0va-bot/CLARA" target="_blank">CLARA</a>, your friendly desktop assistant.</p>
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</div>
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</div>
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{initial_data_script}
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<script type="text/javascript">
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(function() {{
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var lastData = '';
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function updateContent(data) {{
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var textContainer = document.getElementById('shared-text-container');
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var filesContainer = document.getElementById('shared-files-container');
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var noContent = document.getElementById('no-content-message');
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var hasText = data.text && data.text.length > 0;
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var hasFiles = data.files && data.files.length > 0;
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if (textContainer) {{
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var textHtml = '';
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if (hasText) {{
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textHtml = '<h2>Shared Text</h2>' +
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'<p>Select the text below and copy it to your clipboard.</p>' +
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'<textarea class="share-text" readonly="readonly">' + data.text + '</textarea>';
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}}
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textContainer.innerHTML = textHtml;
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}}
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if (filesContainer) {{
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var filesHtml = '';
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if (hasFiles) {{
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var rows = '';
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for (var i = 0; i < data.files.length; i++) {{
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var file = data.files[i];
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rows += '<tr>' +
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'<td>' + file.name + '</td>' +
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'<td>' + file.size + '</td>' +
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'<td><a class="button" href="' + file.url + '">Download</a></td>' +
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'</tr>';
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}}
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filesHtml = '<h2>Shared Files</h2>' +
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'<p>Click a button to download the corresponding file.</p>' +
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'<table class="file-list" cellpadding="0" cellspacing="0">' +
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'<tr><th>Filename</th><th>Size</th><th>Action</th></tr>' + rows + '</table>';
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}}
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filesContainer.innerHTML = filesHtml;
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}}
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if (noContent) {{
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noContent.style.display = (hasText || hasFiles) ? 'none' : 'block';
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}}
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}}
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function fetchData() {{
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var xhr = new (window.XMLHttpRequest || ActiveXObject)('MSXML2.XMLHTTP.3.0');
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xhr.open('GET', '/api/data', true);
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xhr.onreadystatechange = function () {{
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if (xhr.readyState === 4 && xhr.status === 200) {{
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if (xhr.responseText !== lastData) {{
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lastData = xhr.responseText;
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try {{
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var data = JSON.parse(xhr.responseText);
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updateContent(data);
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}} catch (e) {{}}
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}}
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}}
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}};
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xhr.send(null);
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}}
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if (typeof initialDataJSON !== 'undefined' && initialDataJSON) {{
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lastData = initialDataJSON;
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try {{
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var initialData = JSON.parse(initialDataJSON);
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updateContent(initialData);
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}} catch (e) {{}}
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}}
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setInterval(fetchData, 5000);
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}})();
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</script>
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</body>
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</html>"""
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def do_GET(self):
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if self.path == '/':
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self.send_combined_index_page()
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elif self.path.startswith('/download/'):
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self.handle_download()
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elif self.path == '/api/data':
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self.send_api_data()
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else:
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self.send_error(404, "Not Found")
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def _get_api_data_dict(self):
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files_data = []
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for i, filepath in enumerate(self.shared_files):
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try:
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path = Path(filepath)
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if path.exists() and path.is_file():
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files_data.append({
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"name": html.escape(path.name),
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"size": format_size(path.stat().st_size),
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"url": f"/download/{i}"
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})
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except Exception:
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continue
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return {
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"text": html.escape(self.shared_text or ""),
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"files": files_data
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}
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def send_combined_index_page(self):
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has_content = bool(self.shared_text or self.shared_files)
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hostname = socket.gethostname()
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total_size_info = ""
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if self.shared_files:
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total_size_bytes = 0
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for filepath in self.shared_files:
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try:
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p = Path(filepath)
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if p.is_file():
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total_size_bytes += p.stat().st_size
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except (FileNotFoundError, OSError):
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pass
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if total_size_bytes > 0:
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total_size_info = f'<p><strong>Total Size:</strong><br/><span>{format_size(total_size_bytes)}</span></p>'
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main_content = f"""<div class="main clearfix">
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<div class="left-col">
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<div class="section" id="shared-text-container"></div>
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<div class="section" id="shared-files-container"></div>
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</div>
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<div class="right-col">
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<div class="section">
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<h2>Quick Info</h2>
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<p><strong>Host:</strong><br/><span>{html.escape(hostname)}</span></p>
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<p><strong>URL:</strong><br/><span>{html.escape(f"http://{self._get_local_ip()}:%s/")}</span></p>
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{total_size_info}
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<p><strong>Status:</strong><br/><span>Server running</span></p>
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</div>
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</div>
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<div id="no-content-message" style="display: {'none' if has_content else 'block'};">
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<p>No content is currently being shared.</p>
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</div>
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</div>""" % self.server.server_address[1] #type: ignore
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initial_data_dict = self._get_api_data_dict()
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json_string = json.dumps(initial_data_dict)
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initial_data_script = f'<script type="text/javascript">var initialDataJSON = {json.dumps(json_string)};</script>'
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html_content = self._get_base_html(
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"CLARA Share",
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main_content,
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initial_data_script=initial_data_script
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).encode('utf-8')
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self.send_response(200)
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self.send_header('Content-Type', 'text/html; charset=utf-8')
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self.send_header('Content-Length', str(len(html_content)))
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self.end_headers()
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self.wfile.write(html_content)
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def send_api_data(self):
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data = self._get_api_data_dict()
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json_response = json.dumps(data).encode('utf-8')
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self.send_response(200)
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self.send_header('Content-Type', 'application/json; charset=utf-8')
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self.send_header('Content-Length', str(len(json_response)))
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self.end_headers()
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self.wfile.write(json_response)
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def _get_local_ip(self) -> str:
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try:
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with socket.socket(socket.AF_INET, socket.SOCK_DGRAM) as s:
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s.connect(("8.8.8.8", 80))
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return s.getsockname()[0]
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except Exception:
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return "127.0.0.1"
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def handle_download(self):
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try:
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index = int(self.path.split('/')[-1])
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if 0 <= index < len(self.shared_files):
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filepath = self.shared_files[index]
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path = Path(filepath)
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if not path.exists() or not path.is_file():
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self.send_error(404, "File not found")
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return
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client_ip = self.client_address[0]
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if FileShareHandler.on_download:
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FileShareHandler.on_download(path.name, client_ip)
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mime_type, _ = mimetypes.guess_type(str(path))
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if mime_type is None:
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mime_type = 'application/octet-stream'
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file_size = path.stat().st_size
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self.send_response(200)
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self.send_header('Content-Type', mime_type)
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self.send_header('Content-Length', str(file_size))
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self.send_header('Content-Disposition', f'attachment; filename="{path.name}"')
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self.end_headers()
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with open(path, 'rb') as f:
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self.wfile.write(f.read())
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else:
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self.send_error(404, "File not found")
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except Exception as e:
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print(f"Error handling download: {e}")
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if not self.wfile.closed:
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self.send_error(500, "Internal Server Error")
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class FileShareServer:
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def __init__(self, port: int = 8080):
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self.port = port
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self.server: Optional[HTTPServer] = None
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self.thread: Optional[threading.Thread] = None
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self.running = False
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self.shared_files: List[str] = []
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self.shared_text: Optional[str] = None
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self.on_download: Optional[Callable[[str, str], None]] = None
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def get_local_ip(self) -> str:
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try:
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with socket.socket(socket.AF_INET, socket.SOCK_DGRAM) as s:
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s.connect(("8.8.8.8", 80))
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return s.getsockname()[0]
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except Exception:
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return "127.0.0.1"
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def _start_server_if_needed(self) -> str:
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if self.running and self.server:
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local_ip = self.get_local_ip()
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return f"http://{local_ip}:{self.port}"
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FileShareHandler.on_download = self.on_download
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port = self.port
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max_attempts = 10
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for attempt in range(max_attempts):
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try:
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self.server = HTTPServer(('0.0.0.0', port), FileShareHandler)
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break
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except OSError:
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port += 1
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if attempt == max_attempts - 1:
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raise RuntimeError(f"Could not find available port after {max_attempts} attempts")
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self.port = port
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self.running = True
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self.thread = threading.Thread(target=self._run_server, daemon=True)
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self.thread.start()
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local_ip = self.get_local_ip()
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return f"http://{local_ip}:{self.port}"
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def share_files(self, files: List[str]) -> str:
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self.shared_files = files
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FileShareHandler.shared_files = self.shared_files
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return self._start_server_if_needed()
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def add_files(self, files: List[str]):
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if not self.running:
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return
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current_files = set(self.shared_files)
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for f in files:
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if f not in current_files:
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self.shared_files.append(f)
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def share_text(self, text: str) -> str:
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self.shared_text = text
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FileShareHandler.shared_text = self.shared_text
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return self._start_server_if_needed()
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def _run_server(self):
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if self.server:
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try:
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self.server.serve_forever()
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except Exception:
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pass
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self.running = False
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def stop(self):
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if self.server:
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self.running = False
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self.server.shutdown()
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self.server.server_close()
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self.server = None
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if self.thread and self.thread.is_alive():
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self.thread.join(timeout=2)
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self.thread = None
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self.shared_files = []
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self.shared_text = None
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FileShareHandler.shared_files = []
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FileShareHandler.shared_text = None
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def is_running(self) -> bool:
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return self.running
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def get_url(self) -> Optional[str]:
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if self.running:
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local_ip = self.get_local_ip()
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return f"http://{local_ip}:{self.port}"
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return None |