205 lines
7.4 KiB
Python
205 lines
7.4 KiB
Python
# -*- coding: utf-8 -*-
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# vi:si:et:sw=4:sts=4:ts=4
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from datetime import datetime
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import mimetypes
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import os
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from urllib.request import quote
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import zipfile
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import ox
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from .models import Item, File
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from user.models import List
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from .scan import add_file
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import db
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import settings
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import tornado.web
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import tornado.gen
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import tornado.concurrent
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from oxtornado import json_dumps, json_response
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from media import get_id
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import state
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import logging
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logger = logging.getLogger(__name__)
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class OMLHandler(tornado.web.RequestHandler):
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def initialize(self):
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pass
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class EpubHandler(OMLHandler):
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def get(self, id, filename):
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with db.session():
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item = Item.get(id)
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path = item.get_path()
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if not item or item.info['extension'] != 'epub' or not path:
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self.set_status(404)
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self.write('')
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else:
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z = zipfile.ZipFile(path)
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if filename == '':
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self.write('<br>\n'.join([f.filename for f in z.filelist]))
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elif filename not in [f.filename for f in z.filelist]:
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self.set_status(404)
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self.write('')
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else:
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content_type = {
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'xpgt': 'application/vnd.adobe-page-template+xml'
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}.get(filename.split('.')[0], mimetypes.guess_type(filename)[0]) or 'text/plain'
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self.set_header('Content-Type', content_type)
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self.write(z.read(filename))
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def serve_static(handler, path, mimetype, include_body=True, disposition=None):
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handler.set_header('Content-Type', mimetype)
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size = os.stat(path).st_size
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handler.set_header('Accept-Ranges', 'bytes')
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if disposition:
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handler.set_header('Content-Disposition', "attachment; filename*=UTF-8''%s" % quote(disposition.encode('utf-8')))
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if include_body:
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if 'Range' in handler.request.headers:
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handler.set_status(206)
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r = handler.request.headers.get('Range').split('=')[-1].split('-')
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start = int(r[0])
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end = int(r[1]) if r[1] else size
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length = end - start + 1
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handler.set_header('Content-Length', str(length))
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handler.set_header('Content-Range', 'bytes %s-%s/%s' % (start, end, size))
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with open(path, 'rb') as fd:
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fd.seek(start)
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handler.write(fd.read(length))
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else:
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handler.set_header('Content-Length', str(size))
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with open(path, 'rb') as fd:
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handler.write(fd.read())
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else:
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handler.set_header('Content-Length', str(size))
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return
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class FileHandler(OMLHandler):
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def initialize(self, attachment=False):
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self._attachment = attachment
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def head(self, id):
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self.get(id, include_body=False)
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def get(self, id, include_body=True):
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with db.session():
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item = Item.get(id)
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path = item.get_path() if item else None
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if not item or not path:
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self.set_status(404)
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return
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mimetype = {
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'cbr': 'application/x-cbr',
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'cbz': 'application/x-cbz',
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'epub': 'application/epub+zip',
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'pdf': 'application/pdf',
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'txt': 'text/plain',
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}.get(path.split('.')[-1], None)
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if mimetype == 'text/plain':
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try:
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open(path, 'rb').read().decode('utf-8')
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mimetype = 'text/plain; charset=utf-8'
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except:
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mimetype = 'text/plain; charset=latin-1'
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if self._attachment:
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disposition = os.path.basename(path)
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else:
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disposition = None
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return serve_static(self, path, mimetype, include_body, disposition=disposition)
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class ReaderHandler(OMLHandler):
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def get(self, id):
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with db.session():
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item = Item.get(id)
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if not item:
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self.set_status(404)
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return
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if item.info['extension'] in ('cbr', 'cbz'):
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html = 'html/cbr.html'
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elif item.info['extension'] == 'epub':
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html = 'html/epub.html'
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elif item.info['extension'] == 'pdf':
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html = 'html/pdf.html'
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elif item.info['extension'] == 'txt':
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html = 'html/txt.html'
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else:
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self.set_status(404)
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return
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item.accessed = datetime.utcnow()
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item.timesaccessed = (item.timesaccessed or 0) + 1
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item.update_sort()
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item.save()
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path = os.path.join(settings.static_path, html)
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return serve_static(self, path, 'text/html')
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class UploadHandler(tornado.web.RequestHandler):
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def initialize(self, context=None):
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self._context = context
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def get(self):
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self.write('use POST')
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@tornado.web.asynchronous
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@tornado.gen.coroutine
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def post(self):
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if 'origin' in self.request.headers and self.request.host not in self.request.headers['origin']:
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logger.debug('reject cross site attempt to access api %s', self.request)
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self.set_status(403)
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self.write('')
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return
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def save_files(context, request, callback):
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listname = request.arguments.get('list', None)
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if listname:
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listname = listname[0]
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if isinstance(listname, bytes):
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listname = listname.decode('utf-8')
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with context():
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prefs = settings.preferences
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ids = []
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for upload in request.files.get('files', []):
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filename = upload.filename
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id = get_id(data=upload.body)
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ids.append(id)
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file = File.get(id)
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if not file:
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prefix_books = os.path.join(os.path.expanduser(prefs['libraryPath']), 'Books' + os.sep)
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prefix_imported = os.path.join(prefix_books, '.import' + os.sep)
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ox.makedirs(prefix_imported)
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import_name = os.path.join(prefix_imported, filename)
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n = 1
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while os.path.exists(import_name):
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n += 1
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name, extension = filename.rsplit('.', 1)
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if extension == 'kepub':
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extension = 'epub'
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import_name = os.path.join(prefix_imported, '%s [%d].%s' % (name, n, extension))
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with open(import_name, 'wb') as fd:
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fd.write(upload.body)
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file = add_file(id, import_name, prefix_books)
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file.move()
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else:
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user = state.user()
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file.item.add_user(user)
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if listname and ids:
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l = List.get(settings.USER_ID, listname)
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if l:
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l.add_items(ids)
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response = json_response({'ids': ids})
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callback(response)
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response = yield tornado.gen.Task(save_files, self._context, self.request)
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if not 'status' in response:
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response = json_response(response)
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response = json_dumps(response)
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self.set_header('Content-Type', 'application/json')
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self.write(response)
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