sbeam/src/SuperBeam/__init__.py

153 lines
4.4 KiB
Python

import os
from http.server import BaseHTTPRequestHandler
import socketserver
import threading
import pyqrcode
import socket
import struct
import base64
from SuperBeam.RequestHandlers import (
ChunkTemplateHandler, ThumbHandler, ApkRequestHandler, LegacyListHandler,
SingleFileHandler, ZipFileHandler, SuperStreamHandler, AssetHandler,
JsonListHandler
)
class SuperBeamServer(BaseHTTPRequestHandler):
"""SuperBeam Server Request Handler
Handle incoming requests to serve information to the client.
Class inherited `BaseHTTPRequestHandler`.
"""
def __init__(self, debug=False, *args, **kwargs):
self.debug = debug
super(SuperBeamServer, self).__init__()
def do_GET(self):
# TODO Add globbing
if self.debug:
print(threading.current_thread())
paths = {
'index': ChunkTemplateHandler,
'/': ChunkTemplateHandler,
'/index.htm': ChunkTemplateHandler, # TODO handler2
'/getthumb': ThumbHandler,
'/light': ChunkTemplateHandler, # TODO handler2
'/superlist': LegacyListHandler,
'/jsonlist': JsonListHandler,
'/get/': SingleFileHandler,
'/getapk': ApkRequestHandler,
'/getzip': ZipFileHandler,
'/getstream': SuperStreamHandler,
'*': AssetHandler,
}
if self.path in paths: # TODO startswith key check
self.respond(paths[self.path])
def respond(self, handler):
if self.debug:
print('='*30 + ' DEBUG ' + '='*30)
print('CONNECTION:', self.connection)
print('HEADERS :', self.headers)
print('REQUEST :', self.request)
print('REQUEST* :', self.requestline)
print('PATH :', self.path)
print('COMMAND :', self.command)
print('HANDLER :', handler)
print('='*30 + ' DEBUG ' + '='*30)
handler.handle(self)
def get_primary_ip():
"""Get primary IP address.
Obtain the primary interface IP address. If an error occurs, the default
loopback adddress '127.0.0.1' is returned.
Returns:
str: IP Address
"""
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
try:
# doesn't even have to be reachable
s.connect(('10.255.255.255', 1))
IP = s.getsockname()[0]
except Exception as exc:
print(exc)
IP = '127.0.0.1'
finally:
s.close()
return IP
def get_qrcode():
"""Generate QR Code to be scanned by the SuperBeam Client.
Returns:
pyqrcode.QRCode: SuperBeam QR Code
"""
primary_ip = get_primary_ip()
octets = [1]
octets.extend([int(_) for _ in primary_ip.split('.')[::-1]])
url = 'http://superbe.am/q?' + base64.b64encode(
struct.pack('BBBBB', *octets)
).decode('utf-8')
return pyqrcode.create(url), primary_ip
def show_qrcode():
"""Display QR Code with link for SuperBeam Client.
The QR code is generated in function `get_code()`. The QR code is rendered
in the terminal window.
"""
qrcode, primary_ip = get_qrcode()
print(qrcode.terminal())
print(f'SuperBeam Server: http:://{primary_ip}:8080/\n')
def build_filelist(paths, recursive=True):
"""List of files or directories to be served to SuperBeam clients.
Args:
paths (list(str)): list of directories to serve.
recursive (bool, optional): serve subdirectories of `paths`. Defaults
to True
Returns:
list: list of files with fullpath to be served.
"""
filelist = []
for path in paths:
if os.path.isdir(path) and recursive:
for root, dirs, files in os.walk(path):
for file_ in files:
filelist.append(os.path.join(root, file_))
else:
filelist.append(path)
return filelist
def serve_forever(files):
"""Start the SuperBeam server and serve `files`.
Infinite main loop serving `files` via SuperBeam server.
The server tries to obtain the primary IP address of the system and binds
the server to TCP port 8080.
Args:
files (list(str)): a list of files with fullpath information to serve.
"""
Handler = SuperBeamServer
Handler.files = files
with socketserver.ThreadingTCPServer(('', 8080), Handler) as httpd:
show_qrcode()
httpd.serve_forever()