add python server

server.py

@@ -0,0 +1,153 @@
+# -*- coding: utf-8 -*-
+
+# HTML5魔塔样板，启动服务Python版
+# 需要安装Python环境，并 pip install flask 安装Flask库
+# 运行方式：python server.py 或 python3 server.py
+
+import sys
+import json
+import os
+import base64
+
+isPy3 = sys.version_info > (3, 0)
+
+def p(s): #s is unicode in py2 and str in py3
+        if isPy3: print(s)
+        else: print(s.decode('utf-8'))
+p("")
+
+try:
+	from flask import Flask, request, Response, abort
+	import mimetypes
+	import socket
+except:
+	p("需要flask才可使用本服务。\n安装方式：%s install flask" % ("pip3" if isPy3 else "pip"))
+	exit(1)
+
+app = Flask(__name__, static_folder='')
+app.config['SEND_FILE_MAX_AGE_DEFAULT'] = 0
+
+@app.after_request
+def add_header(r):
+	r.headers["Cache-Control"] = "no-cache, no-store, must-revalidate"
+	r.headers["Pragma"] = "no-cache"
+	r.headers["Expires"] = "0"
+	r.headers['Cache-Control'] = 'public, max-age=0'
+	return r
+
+def is_sub(filename):
+	try:
+		return (os.path.realpath(filename) + os.sep).startswith(os.path.realpath(".") + os.sep)
+	except:
+		return True
+
+def get_mimetype(path):
+	return mimetypes.guess_type(path)[0] or 'application/octet-stream'
+
+def get_file(path):
+	if not os.path.exists(path):
+		abort(404)
+		return None
+	if not is_sub(path):
+		abort(403)
+		return None
+	with open(path, 'rb') as f:
+		content = f.read()#str in py2 and bytes in py3
+	return content 
+
+@app.route('/', methods=['GET'])
+def root():
+	return static_file('index.html')
+
+@app.route('/<path:path>', methods=['GET'])
+def static_file(path):
+	return Response(get_file(path), mimetype = get_mimetype(path))
+
+def process_request():
+	data = request.get_data()#str in py2 and bytes in py3
+	if isPy3: data = str(data, encoding = 'utf-8')
+	params = data.split("&")
+	d = {}
+	for one in params:
+		index = one.find("=")
+		if index >= 0:
+			d[one[:index]] = one[index+1:]
+	return d#str in py2&py3
+
+@app.route('/readFile', methods=['POST'])
+def readFile():
+	data = process_request()
+	tp = data.get('type', 'base64')
+	filename = data.get('name', None)
+	content = get_file(filename)
+	return content if tp == 'utf8' or content is None else base64.b64encode(content)
+
+@app.route('/writeFile', methods=['POST'])
+def writeFile():
+	data = process_request()
+	tp = data.get('type', 'base64')
+	filename = data.get('name', None)
+	if not is_sub(filename):
+		abort(403)
+		return
+	value = data.get('value', '')
+	if isPy3: value = value.encode('utf-8')
+	if tp == 'base64': value = base64.b64decode(value)
+	with open(filename, 'wb') as f:
+		f.write(value)#str in py2 and bytes in py3
+	return str(len(value))
+
+@app.route('/writeMultiFiles', methods=['POST'])
+def writeMultiFiles():
+	data = process_request()
+	filenames = data.get('name', '').split(';')
+	values = data.get('value', '').split(';')
+	l = 0
+	for i in range(len(filenames)):
+		if i >= len(values):
+			break
+		filename = filenames[i]
+		value = values[i].encode('utf-8') if isPy3 else values[i]
+		value = base64.b64decode(value)
+		if not is_sub(filename):
+			abort(403)
+			return
+		with open(filename, 'wb') as f:
+			f.write(value)
+		l += len(value)
+	return str(l)
+
+@app.route('/listFile', methods=['POST'])
+def listFile():
+	data = process_request()
+	filename = data.get('name', None)
+	if filename is None or not os.path.isdir(filename):
+		abort(404)
+		return
+	if not is_sub(filename):
+		abort(403)
+		return
+	files = [f
+		for f in os.listdir(filename)
+		if os.path.isfile(os.path.join(filename, f))]
+	return "[" + ", ".join(['"'+f+'"' for f in files]) + "]"
+
+def port_used(port):
+	sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+	result = True
+	try:
+		sock.bind(("0.0.0.0", port))
+		result = False
+	except:
+		pass
+	sock.close()
+	return result
+
+if __name__ == '__main__':
+	port = 1055
+	while port_used(port):
+		port += 1
+	if port > 1055:
+		p("默认的1055端口已被占用，自动选择%d端口。请注意，不同端口下的存档等信息都是不共用的。\n" % port)
+	p("服务已启动...\n游戏地址：http://127.0.0.1:%d/\n编辑器地址：http://127.0.0.1:%d/editor.html\n" % (port, port))
+	app.run(host = '0.0.0.0', port = port, debug = False)