"""Simple HTTP Server With Upload. This module builds on BaseHTTPServer by implementing the standard GET and HEAD requests in a fairly straightforward manner. """
"""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. """
defdo_GET(self): """Serve a GET request.""" f = self.send_head() if f: self.copyfile(f, self.wfile) f.close()
defdo_HEAD(self): """Serve a HEAD request.""" f = self.send_head() if f: f.close()
defdo_POST(self): """Serve a POST request.""" r, info = self.deal_post_data() print(str(r) + ' ' + info + ' by: %s' % (self.client_address,)) f = StringIO() f.write('<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">\n') f.write('<html lang="en">\n') f.write('<head>\n') f.write('<meta charset="utf-8">\n') f.write('</head>\n') f.write('<title>Upload Result Page</title>\n') f.write('<body>\n') f.write('<h2>Upload Result Page</h2>\n') f.write('<hr>\n') if r: f.write('<strong>Success:</strong> ') else: f.write('<strong>Failed:</strong> ') f.write(info) f.write('<br><a href="%s">back</a>' % self.headers['referer']) f.write('<hr><small>Powerd By: ShengYu, check new version at ') f.write('<a href="https://shengyu7697.github.io/SimpleHTTPServerWithUpload">') f.write('here</a>.</small></body>\n</html>\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()
defdeal_post_data(self): boundary = self.headers.plisttext.split('=')[1] remainbytes = int(self.headers['content-length']) line = self.rfile.readline() remainbytes -= len(line) ifnot 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) ifnot 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('\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.')
defsend_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): ifnot self.path.endswith('/'): # redirect browser - doing basically what apache does self.send_response(301) self.send_header('Location', self.path + '/') self.end_headers() returnNone 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') returnNone 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
deflist_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') returnNone list.sort(key=lambda a: a.lower()) f = StringIO() displaypath = cgi.escape(urllib.unquote(self.path)) f.write('<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">') f.write('<html lang="en">\n') f.write('<head>\n') f.write('<meta charset="utf-8">\n') f.write('</head>\n') f.write('<title>Directory listing for %s</title>\n' % displaypath) f.write('<body>\n') f.write('<h2>Directory listing for %s</h2>\n' % displaypath) f.write('<hr>\n') f.write('<form ENCTYPE="multipart/form-data" method="post" name="my_form">\n') f.write('<input type="file" id="file" name="file"/>\n') f.write('<input type="button" value="upload" onclick="my_submit()"/>\n') f.write('</form>\n') f.write('<hr>\n<ul>\n') for name in list: fullname = os.path.join(path, name) displayname = linkname = name # Append / for directories or @ for symbolic links if os.path.isdir(fullname): displayname = name + "/" linkname = name + "/" if os.path.islink(fullname): displayname = name + "@" # Note: a link to a directory displays with @ and links with / f.write('<li><a href="%s">%s</a>\n' % (urllib.quote(linkname), cgi.escape(displayname))) f.write('</ul>\n<hr>\n') f.write('<script>\n' 'function validation() {\n' ' var file = document.getElementById("file").value;\n' ' if (file === "") {\n' ' alert("file is empty!");\n' ' return false;\n' ' }\n' ' return true;\n' '}\n' '\n' 'function my_submit() {\n' ' if (validation()) {\n' ' var x = document.getElementsByName("my_form");\n' ' x[0].submit();\n' ' }\n' '}\n' '</script>\n') f.write('</body>\n</html>\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
deftranslate_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.) """ # abandon query parameters path = path.split('?',1)[0] path = path.split('#',1)[0] path = posixpath.normpath(urllib.unquote(path)) words = path.split('/') words = filter(None, words) path = os.getcwd() 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
defcopyfile(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)
defguess_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['']
