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file_server.py
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file_server.py
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from flask import Flask, make_response, request, session, render_template, send_file, Response
from flask.views import MethodView
from werkzeug import secure_filename
from datetime import datetime
import humanize
import os
import re
import stat
import json
import mimetypes
app = Flask(__name__, static_url_path='/assets', static_folder='assets')
root = os.path.expanduser('~')
ignored = ['.bzr', '$RECYCLE.BIN', '.DAV', '.DS_Store', '.git', '.hg', '.htaccess', '.htpasswd', '.Spotlight-V100', '.svn', '__MACOSX', 'ehthumbs.db', 'robots.txt', 'Thumbs.db', 'thumbs.tps']
datatypes = {'audio': 'm4a,mp3,oga,ogg,webma,wav', 'archive': '7z,zip,rar,gz,tar', 'image': 'gif,ico,jpe,jpeg,jpg,png,svg,webp', 'pdf': 'pdf', 'quicktime': '3g2,3gp,3gp2,3gpp,mov,qt', 'source': 'atom,bat,bash,c,cmd,coffee,css,hml,js,json,java,less,markdown,md,php,pl,py,rb,rss,sass,scpt,swift,scss,sh,xml,yml,plist', 'text': 'txt', 'video': 'mp4,m4v,ogv,webm', 'website': 'htm,html,mhtm,mhtml,xhtm,xhtml'}
icontypes = {'fa-music': 'm4a,mp3,oga,ogg,webma,wav', 'fa-archive': '7z,zip,rar,gz,tar', 'fa-picture-o': 'gif,ico,jpe,jpeg,jpg,png,svg,webp', 'fa-file-text': 'pdf', 'fa-film': '3g2,3gp,3gp2,3gpp,mov,qt', 'fa-code': 'atom,plist,bat,bash,c,cmd,coffee,css,hml,js,json,java,less,markdown,md,php,pl,py,rb,rss,sass,scpt,swift,scss,sh,xml,yml', 'fa-file-text-o': 'txt', 'fa-film': 'mp4,m4v,ogv,webm', 'fa-globe': 'htm,html,mhtm,mhtml,xhtm,xhtml'}
@app.template_filter('size_fmt')
def size_fmt(size):
return humanize.naturalsize(size)
@app.template_filter('time_fmt')
def time_desc(timestamp):
mdate = datetime.fromtimestamp(timestamp)
str = mdate.strftime('%Y-%m-%d %H:%M:%S')
return str
@app.template_filter('data_fmt')
def data_fmt(filename):
t = 'unknown'
for type, exts in datatypes.items():
if filename.split('.')[-1] in exts:
t = type
return t
@app.template_filter('icon_fmt')
def icon_fmt(filename):
i = 'fa-file-o'
for icon, exts in icontypes.items():
if filename.split('.')[-1] in exts:
i = icon
return i
@app.template_filter('humanize')
def time_humanize(timestamp):
mdate = datetime.utcfromtimestamp(timestamp)
return humanize.naturaltime(mdate)
def get_type(mode):
if stat.S_ISDIR(mode) or stat.S_ISLNK(mode):
type = 'dir'
else:
type = 'file'
return type
def partial_response(path, start, end=None):
file_size = os.path.getsize(path)
if end is None:
end = file_size - start - 1
end = min(end, file_size - 1)
length = end - start + 1
with open(path, 'rb') as fd:
fd.seek(start)
bytes = fd.read(length)
assert len(bytes) == length
response = Response(
bytes,
206,
mimetype=mimetypes.guess_type(path)[0],
direct_passthrough=True,
)
response.headers.add(
'Content-Range', 'bytes {0}-{1}/{2}'.format(
start, end, file_size,
),
)
response.headers.add(
'Accept-Ranges', 'bytes'
)
return response
def get_range(request):
range = request.headers.get('Range')
m = re.match('bytes=(?P<start>\d+)-(?P<end>\d+)?', range)
if m:
start = m.group('start')
end = m.group('end')
start = int(start)
if end is not None:
end = int(end)
return start, end
else:
return 0, None
class PathView(MethodView):
def get(self, p=''):
hide_dotfile = request.args.get('hide-dotfile', request.cookies.get('hide-dotfile', 'no'))
path = os.path.join(root, p)
if os.path.isdir(path):
contents = []
total = {'size': 0, 'dir': 0, 'file': 0}
for filename in os.listdir(path):
if filename in ignored:
continue
if hide_dotfile == 'yes' and filename[0] == '.':
continue
filepath = os.path.join(path, filename)
stat_res = os.stat(filepath)
info = {}
info['name'] = filename
info['mtime'] = stat_res.st_mtime
ft = get_type(stat_res.st_mode)
info['type'] = ft
total[ft] += 1
sz = stat_res.st_size
info['size'] = sz
total['size'] += sz
contents.append(info)
page = render_template('index.html', path=p, contents=contents, total=total, hide_dotfile=hide_dotfile)
res = make_response(page, 200)
res.set_cookie('hide-dotfile', hide_dotfile, max_age=16070400)
elif os.path.isfile(path):
if 'Range' in request.headers:
start, end = get_range(request)
res = partial_response(path, start, end)
else:
res = send_file(path)
res.headers.add('Content-Disposition', 'attachment')
else:
res = make_response('Not found', 404)
return res
def post(self, p=''):
path = os.path.join(root, p)
info = {}
if os.path.isdir(path):
files = request.files.getlist('files[]')
for file in files:
try:
filename = secure_filename(file.filename)
file.save(os.path.join(path, filename))
except Exception as e:
info['status'] = 'error'
info['msg'] = str(e)
else:
info['status'] = 'success'
info['msg'] = 'File Saved'
else:
info['status'] = 'error'
info['msg'] = 'Invalid Operation'
res = make_response(json.JSONEncoder().encode(info), 200)
res.headers.add('Content-type', 'application/json')
return res
path_view = PathView.as_view('path_view')
app.add_url_rule('/', view_func=path_view)
app.add_url_rule('/<path:p>', view_func=path_view)
app.run('0.0.0.0', 8000, threaded=True, debug=False)