Upload Result Page

#!/usr/bin/env python3 # -*- coding: utf-8 -*- # Copyright (C) 2018 Andy Stewart # # Author: Andy Stewart # Maintainer: Andy Stewart # # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation, either version 3 of the License, or # any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see . from PyQt5 import QtGui, QtCore from PyQt5.QtCore import Qt from PyQt5.QtGui import QColor, QPixmap, QImage, QFont from PyQt5.QtGui import QColor, QPixmap, QPainter from PyQt5.QtWidgets import QApplication from PyQt5.QtWidgets import QWidget, QLabel from PyQt5.QtWidgets import QWidget, QVBoxLayout from io import BytesIO import socket import cgi import http.server import mimetypes import os import os import posixpath import qrcode import re import shutil import sys import threading import urllib.request, urllib.parse, urllib.error from core.buffer import Buffer class AppBuffer(Buffer): def __init__(self, buffer_id, url, argument): Buffer.__init__(self, buffer_id, url, argument, False, QColor(0, 0, 0, 255)) self.add_widget(FileUploaderWidget(url, QColor(0, 0, 0, 255))) class SimpleHTTPRequestHandler(http.server.BaseHTTPRequestHandler): """Simple HTTP request handler with GET/HEAD/POST commands. This serves files from the current directory and any of its subdirectories. The MIME type for files is determined by calling the .guess_type() method. And can reveive file uploaded by client. The GET/HEAD/POST requests are identical except that the HEAD request omits the actual contents of the file. """ def do_GET(self): """Serve a GET request.""" f = self.send_head() if f: self.copyfile(f, self.wfile) f.close() def do_HEAD(self): """Serve a HEAD request.""" f = self.send_head() if f: f.close() def do_POST(self): """Serve a POST request.""" r, info = self.deal_post_data() print((r, info, "by: ", self.client_address)) f = BytesIO() f.write(b'') f.write(b"\nUpload Result Page\n") f.write(b"\n

Upload Result Page

\n") f.write(b"

\n") if r: f.write(b"Success:") else: f.write(b"Failed:") f.write(info.encode()) f.write(("
back" % self.headers['referer']).encode()) f.write(b"

Powerd By: bones7456, check new version at ") f.write(b"") f.write(b"here.\n\n") length = f.tell() f.seek(0) self.send_response(200) self.send_header("Content-type", "text/html") self.send_header("Content-Length", str(length)) self.end_headers() if f: self.copyfile(f, self.wfile) f.close() def deal_post_data(self): content_type = self.headers['content-type'] if not content_type: return (False, "Content-Type header doesn't contain boundary") boundary = content_type.split("=")[1].encode() remainbytes = int(self.headers['content-length']) line = self.rfile.readline() remainbytes -= len(line) if not boundary in line: return (False, "Content NOT begin with boundary") line = self.rfile.readline() remainbytes -= len(line) fn = re.findall(r'Content-Disposition.*name="file"; filename="(.*)"', line.decode()) if not fn: return (False, "Can't find out file name...") path = self.translate_path(self.path) fn = os.path.join(path, fn[0]) line = self.rfile.readline() remainbytes -= len(line) line = self.rfile.readline() remainbytes -= len(line) try: out = open(fn, 'wb') except IOError: return (False, "Can't create file to write, do you have permission to write?") preline = self.rfile.readline() remainbytes -= len(preline) while remainbytes > 0: line = self.rfile.readline() remainbytes -= len(line) if boundary in line: preline = preline[0:-1] if preline.endswith(b'\r'): preline = preline[0:-1] out.write(preline) out.close() return (True, "File '%s' upload success!" % fn) else: out.write(preline) preline = line return (False, "Unexpect Ends of data.") def send_head(self): """Common code for GET and HEAD commands. This sends the response code and MIME headers. Return value is either a file object (which has to be copied to the outputfile by the caller unless the command was HEAD, and must be closed by the caller under all circumstances), or None, in which case the caller has nothing further to do. """ path = self.translate_path(self.path) f = None if os.path.isdir(path): if not self.path.endswith('/'): # redirect browser - doing basically what apache does self.send_response(301) self.send_header("Location", self.path + "/") self.end_headers() return None for index in "index.html", "index.htm": index = os.path.join(path, index) if os.path.exists(index): path = index break else: return self.list_directory(path) ctype = self.guess_type(path) try: # Always read in binary mode. Opening files in text mode may cause # newline translations, making the actual size of the content # transmitted *less* than the content-length! f = open(path, 'rb') except IOError: self.send_error(404, "File not found") return None self.send_response(200) self.send_header("Content-type", ctype) fs = os.fstat(f.fileno()) self.send_header("Content-Length", str(fs[6])) self.send_header("Last-Modified", self.date_time_string(fs.st_mtime)) self.end_headers() return f def list_directory(self, path): """Helper to produce a directory listing (absent index.html). Return value is either a file object, or None (indicating an error). In either case, the headers are sent, making the interface the same as for send_head(). """ try: list = os.listdir(path) except os.error: self.send_error(404, "No permission to list directory") return None list.sort(key=lambda a: a.lower()) f = BytesIO() displaypath = cgi.escape(urllib.parse.unquote(self.path)) f.write(b'') f.write(("\nDirectory listing for %s\n" % displaypath).encode()) f.write(("\n

Directory listing for %s

\n" % displaypath).encode()) f.write(b"

\n") f.write(b"\n") f.write(b"

%s\n' % (urllib.parse.quote(linkname), cgi.escape(displayname))).encode()) f.write(b"

\n\n\n") length = f.tell() f.seek(0) self.send_response(200) self.send_header("Content-type", "text/html") self.send_header("Content-Length", str(length)) self.end_headers() return f def translate_path(self, path): """Translate a /-separated PATH to the local filename syntax. Components that mean special things to the local file system (e.g. drive or directory names) are ignored. (XXX They should probably be diagnosed.) """ global upload_dir # abandon query parameters path = path.split('?',1)[0] path = path.split('#',1)[0] path = posixpath.normpath(urllib.parse.unquote(path)) words = path.split('/') words = [_f for _f in words if _f] # path = os.getcwd() path = upload_dir for word in words: drive, word = os.path.splitdrive(word) head, word = os.path.split(word) if word in (os.curdir, os.pardir): continue path = os.path.join(path, word) return path def copyfile(self, source, outputfile): """Copy all data between two file objects. The SOURCE argument is a file object open for reading (or anything with a read() method) and the DESTINATION argument is a file object open for writing (or anything with a write() method). The only reason for overriding this would be to change the block size or perhaps to replace newlines by CRLF -- note however that this the default server uses this to copy binary data as well. """ shutil.copyfileobj(source, outputfile) def guess_type(self, path): """Guess the type of a file. Argument is a PATH (a filename). Return value is a string of the form type/subtype, usable for a MIME Content-type header. The default implementation looks the file's extension up in the table self.extensions_map, using application/octet-stream as a default; however it would be permissible (if slow) to look inside the data to make a better guess. """ base, ext = posixpath.splitext(path) if ext in self.extensions_map: return self.extensions_map[ext] ext = ext.lower() if ext in self.extensions_map: return self.extensions_map[ext] else: return self.extensions_map[''] if not mimetypes.inited: mimetypes.init() # try to read system mime.types extensions_map = mimetypes.types_map.copy() extensions_map.update({ '': 'application/octet-stream', # Default '.py': 'text/plain', '.c': 'text/plain', '.h': 'text/plain', }) class Image(qrcode.image.base.BaseImage): def __init__(self, border, width, box_size): self.border = border self.width = width self.box_size = box_size size = (width + border * 2) * box_size self._image = QtGui.QImage(size, size, QtGui.QImage.Format_RGB16) self._image.fill(QtCore.Qt.white) def pixmap(self): return QtGui.QPixmap.fromImage(self._image) def drawrect(self, row, col): painter = QtGui.QPainter(self._image) painter.fillRect( (col + self.border) * self.box_size, (row + self.border) * self.box_size, self.box_size, self.box_size, QtCore.Qt.black) def save(self, stream, kind=None): pass class FileUploaderWidget(QWidget): def __init__(self, url, color): QWidget.__init__(self) url = os.path.expanduser(url) self.setStyleSheet("background-color: black"); self.file_name_font = QFont() self.file_name_font.setPointSize(24) self.file_name_label = QLabel(self) self.file_name_label.setText("Your file will uploading to\n{0}".format(url)) self.file_name_label.setFont(self.file_name_font) self.file_name_label.setAlignment(Qt.AlignCenter) self.file_name_label.setStyleSheet("color: #eee"); self.qrcode_label = QLabel(self) self.notify_font = QFont() self.notify_font.setPointSize(12) self.notify_label = QLabel(self) self.notify_label.setText("Scan above QR to uploading file.\nMake sure that your smartphone is connected to the same WiFi network as this computer.") self.notify_label.setFont(self.notify_font) self.notify_label.setAlignment(Qt.AlignCenter) self.notify_label.setStyleSheet("color: #eee"); layout = QVBoxLayout(self) layout.setContentsMargins(0, 0, 0, 0) layout.addStretch() layout.addWidget(self.qrcode_label, 0, Qt.AlignCenter) layout.addSpacing(20) layout.addWidget(self.file_name_label, 0, Qt.AlignCenter) layout.addSpacing(40) layout.addWidget(self.notify_label, 0, Qt.AlignCenter) layout.addStretch() self.port = "8000" self.local_ip = self.get_local_ip() self.address = "http://{0}:{1}".format(self.local_ip, self.port) self.qrcode_label.setPixmap(qrcode.make(self.address, image_factory=Image).pixmap()) global upload_dir upload_dir = url t = threading.Thread(target=self.run_http_server, name='LoopThread') t.start() def run_http_server(self): http.server.test(SimpleHTTPRequestHandler, http.server.HTTPServer) def get_local_ip(self): try: s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) s.connect(("8.8.8.8", 80)) return s.getsockname()[0] except OSError: print("Network is unreachable") sys.exit() if __name__ == "__main__": from PyQt5.QtWidgets import QApplication import sys import signal app = QApplication(sys.argv) test = FileUploaderWidget("/home/andy/", QColor(0, 0, 0, 255)) test.show() signal.signal(signal.SIGINT, signal.SIG_DFL) sys.exit(app.exec_())