FanFicFare/main.py

309 lines
9.8 KiB
Python

#!/usr/bin/env python
#
# Copyright 2007 Google Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
import os
import sys
import logging
import traceback
import StringIO
from google.appengine.runtime import DeadlineExceededError
from google.appengine.ext.webapp import template
from google.appengine.api import users
from google.appengine.ext import webapp
from google.appengine.ext.webapp import util
from fanficdownloader.downloader import *
from fanficdownloader.ffnet import *
from fanficdownloader.output import *
from fanficdownloader import twilighted
from google.appengine.ext import db
from fanficdownloader.zipdir import *
from ffstorage import *
class LoginRequired(webapp.RequestHandler):
def get(self):
user = users.get_current_user()
if user:
self.redirect('/')
else:
logging.debug(users.create_login_url('/'))
url = users.create_login_url(self.request.uri)
template_values = {'login_url' : url}
path = os.path.join(os.path.dirname(__file__), 'index-nonlogin.html')
self.response.out.write(template.render(path, template_values))
class MainHandler(webapp.RequestHandler):
def get(self):
user = users.get_current_user()
if user:
error = self.request.get('error')
template_values = {'nickname' : user.nickname(), 'authorized': True}
url = self.request.get('url')
template_values['url'] = url
if error != None and len(error) > 1:
if error == 'login_required':
template_values['error_message'] = 'This story (or one of the chapters) requires you to be logged in.'
elif error == 'bad_url':
template_values['error_message'] = 'Unsupported URL: ' + url
elif error == 'custom':
template_values['error_message'] = 'Error happened: ' + self.request.get('errtext')
filename = self.request.get('file')
if len(filename) > 1:
template_values['yourfile'] = '''<div id='yourfile'><a href='/file?id=%s'>"%s" by %s</a></div>''' % (filename, self.request.get('name'), self.request.get('author'))
self.response.headers['Content-Type'] = 'text/html'
path = os.path.join(os.path.dirname(__file__), 'index.html')
self.response.out.write(template.render(path, template_values))
else:
# self.redirect(users.create_login_url(self.request.uri))
# self.redirect('/login')
logging.debug(users.create_login_url('/'))
url = users.create_login_url(self.request.uri)
template_values = {'login_url' : url, 'authorized': False}
path = os.path.join(os.path.dirname(__file__), 'index.html')
self.response.out.write(template.render(path, template_values))
class FileServer(webapp.RequestHandler):
def get(self):
# user = users.get_current_user()
fileId = self.request.get('id')
if fileId == None or len(fileId) < 3:
self.redirect('/')
key = db.Key(fileId)
fanfic = db.get(key)
name = fanfic.name.encode('utf-8')
name = makeAcceptableFilename(name)
logging.info("Serving file: %s" % name)
if fanfic.format == 'epub':
self.response.headers['Content-Type'] = 'application/epub+zip'
self.response.headers['Content-disposition'] = 'attachment; filename=' + name + '.epub'
elif fanfic.format == 'html':
self.response.headers['Content-Type'] = 'text/html'
self.response.headers['Content-disposition'] = 'attachment; filename=' + name + '.html.zip'
elif fanfic.format == 'text':
self.response.headers['Content-Type'] = 'text/plain'
self.response.headers['Content-disposition'] = 'attachment; filename=' +name + '.txt.zip'
self.response.out.write(fanfic.blob)
class RecentFilesServer(webapp.RequestHandler):
def get(self):
user = users.get_current_user()
if not user:
self.redirect('/login')
# fics = db.GqlQuery("Select * From DownloadedFanfic WHERE user = :1 and cleared = :2", user)
q = DownloadedFanfic.all()
q.filter('user =', user)
q.filter('cleared =', False)
fics = q.fetch(100)
template_values = dict(fics = fics, nickname = user.nickname())
path = os.path.join(os.path.dirname(__file__), 'recent.html')
self.response.out.write(template.render(path, template_values))
class RecentAllFilesServer(webapp.RequestHandler):
def get(self):
user = users.get_current_user()
if user.nickname() != 'sigizmund':
return
fics = db.GqlQuery("Select * From DownloadedFanfic")
template_values = dict(fics = fics, nickname = user.nickname())
path = os.path.join(os.path.dirname(__file__), 'recent.html')
self.response.out.write(template.render(path, template_values))
class FanfictionDownloader(webapp.RequestHandler):
def _printableVersion(self, text):
text = removeEntities(text)
try:
d = text.decode('utf-8')
except:
d = text
return d
def post(self):
logging.getLogger().setLevel(logging.DEBUG)
user = users.get_current_user()
if not user:
self.redirect(users.create_login_url('/'))
format = self.request.get('format')
url = self.request.get('url')
login = self.request.get('login')
password = self.request.get('password')
logging.info("Downloading: " + url)
adapter = None
writerClass = None
download = OneDownload()
download.user = user
download.url = url
download.login = login
download.password = password
download.format = format
logging.info('Creating adapter...')
try:
if url.find('fictionalley') != -1:
adapter = fictionalley.FictionAlley(url)
elif url.find('ficwad') != -1:
adapter = ficwad.FicWad(url)
elif url.find('fanfiction.net') != -1 or url.find('fictionpress.com') != -1:
adapter = ffnet.FFNet(url)
elif url.find('harrypotterfanfiction.com') != -1:
adapter = hpfiction.HPFiction(url)
elif url.find('twilighted') != -1 or url.find('potionsandsnitches.net') != -1:
adapter = twilighted.Twilighted(url)
else:
logging.debug("Bad URL detected")
self.redirect('/?error=bad_url&url=' + urlEscape(url) )
return
except Exception, e:
logging.exception(e)
download.failure = "Adapter was not created: " + str(e)
download.put()
self.redirect('/?error=custom&url=' + urlEscape(url) + '&errtext=' + urlEscape(str(traceback.format_exc())) )
return
logging.info('Created an adaper: %s' % adapter)
if len(login) > 1:
adapter.setLogin(login)
adapter.setPassword(password)
if format == 'epub':
writerClass = output.EPubFanficWriter
elif format == 'html':
writerClass = output.HTMLWriter
else:
writerClass = output.TextWriter
loader = FanficLoader(adapter, writerClass, quiet = True, inmemory=True, compress=False)
try:
data = loader.download()
if format == 'html' or format == 'text':
# data is uncompressed hence huge
ext = '.html'
if format == 'text':
ext = '.txt'
files = {makeAcceptableFilename(str(adapter.getStoryName())) + ext : StringIO.StringIO(data.decode('utf-8')) }
d = inMemoryZip(files)
data = d.getvalue()
except LoginRequiredException, e:
logging.exception(e)
download.failure = 'Login problem detected'
download.put()
self.redirect('/?error=login_required&url=' + urlEscape(url))
return
except:
e = sys.exc_info()[0]
logging.exception(e)
download.failure = 'Some exception happened in downloader: ' + str(e)
download.put()
self.redirect('/?error=custom&url=' + urlEscape(url) + '&errtext=' + urlEscape(str(traceback.format_exc())) )
return
if data == None:
if loader.badLogin:
logging.debug("Bad login detected")
download.failure = 'Login problem detected'
download.put()
self.redirect('/?error=login_required&url=' + urlEscape(url))
else:
fic = DownloadedFanfic()
fic.user = user
fic.url = url
fic.format = format
fic.name = self._printableVersion(adapter.getStoryName())
fic.author = self._printableVersion(adapter.getAuthorName())
fic.blob = data
try:
fic.put()
key = fic.key()
download.put()
self.redirect('/?file='+str(key)+'&name=' + urlEscape(fic.name) + '&author=' + urlEscape(fic.author))
logging.info("Download finished OK")
except Exception, e:
logging.exception(e)
# it was too large, won't save it
name = str(makeAcceptableFilename(adapter.getStoryName()))
if format == 'epub':
self.response.headers['Content-Type'] = 'application/epub+zip'
self.response.headers['Content-disposition'] = 'attachment; filename=' + name + '.epub'
elif format == 'html':
self.response.headers['Content-Type'] = 'application/zip'
self.response.headers['Content-disposition'] = 'attachment; filename=' + name + '.html.zip'
elif format == 'text':
self.response.headers['Content-Type'] = 'application/zip'
self.response.headers['Content-disposition'] = 'attachment; filename=' + name + '.txt.zip'
self.response.out.write(data)
def toPercentDecimal(match):
"Return the %decimal number for the character for url escaping"
s = match.group(1)
return "%%%02x" % ord(s)
def urlEscape(data):
"Escape text, including unicode, for use in URLs"
p = re.compile(r'([^\w])')
return p.sub(toPercentDecimal, data.encode("utf-8"))
def main():
application = webapp.WSGIApplication([('/', MainHandler), ('/fdown', FanfictionDownloader), ('/file', FileServer), ('/recent', RecentFilesServer), ('/r2d2', RecentAllFilesServer), ('/login', LoginRequired)],
debug=False)
util.run_wsgi_app(application)
if __name__ == '__main__':
logging.getLogger().setLevel(logging.DEBUG)
main()