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Simple Python Http Server can upload multiple files
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| #!/usr/bin/env python3 | |
| """Simple HTTP Server With Upload. | |
| This module builds on BaseHTTPServer by implementing the standard GET | |
| and HEAD requests in a fairly straightforward manner. | |
| see: https://gist.github.com/UniIsland/3346170 | |
| """ | |
| __version__ = "0.1" | |
| __all__ = ["SimpleHTTPRequestHandler"] | |
| __author__ = "bones7456" | |
| __home_page__ = "http://li2z.cn/" | |
| import os | |
| import posixpath | |
| import http.server | |
| import urllib.request, urllib.parse, urllib.error | |
| import cgi | |
| import html | |
| import shutil | |
| import mimetypes | |
| import re | |
| from io import BytesIO | |
| 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. | |
| """ | |
| server_version = "SimpleHTTPWithUpload/" + __version__ | |
| 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'<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">') | |
| f.write(b"<html>\n<title>Upload Result Page</title>\n") | |
| f.write(b"<body>\n<h2>Upload Result Page</h2>\n") | |
| f.write(b"<hr>\n") | |
| if r: | |
| f.write(b"<strong>Success:</strong>") | |
| else: | |
| f.write(b"<strong>Failed:</strong>") | |
| f.write(info.encode()) | |
| f.write(("<br><a href=\"%s\">back</a>" % self.headers['referer']).encode()) | |
| f.write(b"<hr><small>Powerd By: bones7456, check new version at ") | |
| f.write(b"<a href=\"http://li2z.cn/?s=SimpleHTTPServerWithUpload\">") | |
| f.write(b"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() | |
| def deal_post_data(self): | |
| uploaded_files = [] | |
| 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") | |
| while remainbytes > 0: | |
| line = self.rfile.readline() | |
| remainbytes -= len(line) | |
| fn = re.findall(r'Content-Disposition.*name="file"; filename="(.*)"', line.decode()) | |
| if not fn or len(fn[0]) == 0: | |
| 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?") | |
| else: | |
| with out: | |
| 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) | |
| uploaded_files.append(fn) | |
| break | |
| else: | |
| out.write(preline) | |
| preline = line | |
| return (True, "File '%s' upload success!" % ",".join(uploaded_files)) | |
| 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 = html.escape(urllib.parse.unquote(self.path)) | |
| f.write(b'<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">') | |
| f.write(("<html>\n<title>Directory listing for %s</title>\n" % displaypath).encode()) | |
| f.write(("<body>\n<h2>Directory listing for %s</h2>\n" % displaypath).encode()) | |
| f.write(b"<hr>\n") | |
| f.write(b"<form ENCTYPE=\"multipart/form-data\" method=\"post\">") | |
| f.write(b"<input name=\"file\" type=\"file\" multiple/>") | |
| f.write(b"<input type=\"submit\" value=\"upload\"/></form>\n") | |
| f.write(b"<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.parse.quote(linkname), html.escape(displayname))).encode()) | |
| f.write(b"</ul>\n<hr>\n</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 | |
| 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.) | |
| """ | |
| # 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() | |
| 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', | |
| }) | |
| def test(HandlerClass = SimpleHTTPRequestHandler, | |
| ServerClass = http.server.HTTPServer): | |
| http.server.test(HandlerClass, ServerClass) | |
| if __name__ == '__main__': | |
| test() |
Appreciate the work. multiple uploads helps a lot as i send files across local networks without having to use an intermediary.
Some recommendations:
* DeprecationWarning: cgi.escape is deprecated, use html.escape instead as per https://gist.github.com/UniIsland/3346170?permalink_comment_id=2900206#gistcomment-2900206 * Edge case if no files selected (line 100), otherwise it will return permission error. > if not fn or len(fn[0]) == 0:
@amirmazmi
I modified the code as you suggested. Thanks for your helpful suggestions! 👍
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Appreciate the work. multiple uploads helps a lot as i send files across local networks without having to use an intermediary.
Some recommendations: