nyaa/nyaa/views/torrents.py

275 lines
9.5 KiB
Python

import json
import os.path
from urllib.parse import quote
import flask
from werkzeug.datastructures import CombinedMultiDict
from sqlalchemy.orm import joinedload
from nyaa import backend, forms, models, torrents
from nyaa.extensions import db
from nyaa.utils import cached_function
app = flask.current_app
bp = flask.Blueprint('torrents', __name__)
@bp.route('/view/<int:torrent_id>', endpoint='view', methods=['GET', 'POST'])
def view_torrent(torrent_id):
if flask.request.method == 'POST':
torrent = models.Torrent.by_id(torrent_id)
else:
torrent = models.Torrent.query \
.options(joinedload('filelist'),
joinedload('comments')) \
.filter_by(id=torrent_id) \
.first()
if not torrent:
flask.abort(404)
# Only allow admins see deleted torrents
if torrent.deleted and not (flask.g.user and flask.g.user.is_moderator):
flask.abort(404)
comment_form = None
if flask.g.user:
comment_form = forms.CommentForm()
if flask.request.method == 'POST':
if not flask.g.user:
flask.abort(403)
if comment_form.validate():
comment_text = (comment_form.comment.data or '').strip()
comment = models.Comment(
torrent_id=torrent_id,
user_id=flask.g.user.id,
text=comment_text)
db.session.add(comment)
db.session.flush()
torrent_count = torrent.update_comment_count()
db.session.commit()
flask.flash('Comment successfully posted.', 'success')
return flask.redirect(flask.url_for('torrents.view',
torrent_id=torrent_id,
_anchor='com-' + str(torrent_count)))
# Only allow owners and admins to edit torrents
can_edit = flask.g.user and (flask.g.user is torrent.user or flask.g.user.is_moderator)
files = None
if torrent.filelist:
files = json.loads(torrent.filelist.filelist_blob.decode('utf-8'))
report_form = forms.ReportForm()
return flask.render_template('view.html', torrent=torrent,
files=files,
comment_form=comment_form,
comments=torrent.comments,
can_edit=can_edit,
report_form=report_form)
@bp.route('/view/<int:torrent_id>/edit', endpoint='edit', methods=['GET', 'POST'])
def edit_torrent(torrent_id):
torrent = models.Torrent.by_id(torrent_id)
form = forms.EditForm(flask.request.form)
form.category.choices = _create_upload_category_choices()
editor = flask.g.user
if not torrent:
flask.abort(404)
# Only allow admins edit deleted torrents
if torrent.deleted and not (editor and editor.is_moderator):
flask.abort(404)
# Only allow torrent owners or admins edit torrents
if not editor or not (editor is torrent.user or editor.is_moderator):
flask.abort(403)
if flask.request.method == 'POST' and form.validate():
# Form has been sent, edit torrent with data.
torrent.main_category_id, torrent.sub_category_id = \
form.category.parsed_data.get_category_ids()
torrent.display_name = (form.display_name.data or '').strip()
torrent.information = (form.information.data or '').strip()
torrent.description = (form.description.data or '').strip()
torrent.hidden = form.is_hidden.data
torrent.remake = form.is_remake.data
torrent.complete = form.is_complete.data
torrent.anonymous = form.is_anonymous.data
if editor.is_trusted:
torrent.trusted = form.is_trusted.data
deleted_changed = torrent.deleted != form.is_deleted.data
if editor.is_moderator:
torrent.deleted = form.is_deleted.data
url = flask.url_for('torrents.view', torrent_id=torrent.id)
if deleted_changed and editor.is_moderator:
log = "Torrent [#{0}]({1}) marked as {2}".format(
torrent.id, url, "deleted" if torrent.deleted else "undeleted")
adminlog = models.AdminLog(log=log, admin_id=editor.id)
db.session.add(adminlog)
db.session.commit()
flask.flash(flask.Markup(
'Torrent has been successfully edited! Changes might take a few minutes to show up.'),
'info')
return flask.redirect(url)
else:
if flask.request.method != 'POST':
# Fill form data only if the POST didn't fail
form.category.data = torrent.sub_category.id_as_string
form.display_name.data = torrent.display_name
form.information.data = torrent.information
form.description.data = torrent.description
form.is_hidden.data = torrent.hidden
form.is_remake.data = torrent.remake
form.is_complete.data = torrent.complete
form.is_anonymous.data = torrent.anonymous
form.is_trusted.data = torrent.trusted
form.is_deleted.data = torrent.deleted
return flask.render_template('edit.html',
form=form,
torrent=torrent)
@bp.route('/view/<int:torrent_id>/magnet')
def redirect_magnet(torrent_id):
torrent = models.Torrent.by_id(torrent_id)
if not torrent:
flask.abort(404)
return flask.redirect(torrents.create_magnet(torrent))
@bp.route('/view/<int:torrent_id>/torrent')
@bp.route('/download/<int:torrent_id>.torrent', endpoint='download')
def download_torrent(torrent_id):
torrent = models.Torrent.by_id(torrent_id)
if not torrent or not torrent.has_torrent:
flask.abort(404)
torrent_file, torrent_file_size = _get_cached_torrent_file(torrent)
disposition = 'attachment; filename="{0}"; filename*=UTF-8\'\'{0}'.format(
quote(torrent.torrent_name.encode('utf-8')))
resp = flask.Response(torrent_file)
resp.headers['Content-Type'] = 'application/x-bittorrent'
resp.headers['Content-Disposition'] = disposition
resp.headers['Content-Length'] = torrent_file_size
return resp
@bp.route('/view/<int:torrent_id>/comment/<int:comment_id>/delete', methods=['POST'])
def delete_comment(torrent_id, comment_id):
if not flask.g.user:
flask.abort(403)
torrent = models.Torrent.by_id(torrent_id)
if not torrent:
flask.abort(404)
comment = models.Comment.query.filter_by(id=comment_id).first()
if not comment:
flask.abort(404)
if not (comment.user.id == flask.g.user.id or flask.g.user.is_moderator):
flask.abort(403)
db.session.delete(comment)
db.session.flush()
torrent.update_comment_count()
url = flask.url_for('torrents.view', torrent_id=torrent.id)
if flask.g.user.is_moderator:
log = "Comment deleted on torrent [#{}]({})".format(torrent.id, url)
adminlog = models.AdminLog(log=log, admin_id=flask.g.user.id)
db.session.add(adminlog)
db.session.commit()
flask.flash('Comment successfully deleted.', 'success')
return flask.redirect(url)
@bp.route('/view/<int:torrent_id>/submit_report', endpoint='report', methods=['POST'])
def submit_report(torrent_id):
if not flask.g.user:
flask.abort(403)
form = forms.ReportForm(flask.request.form)
if flask.request.method == 'POST' and form.validate():
report_reason = form.reason.data
current_user_id = flask.g.user.id
report = models.Report(
torrent_id=torrent_id,
user_id=current_user_id,
reason=report_reason)
db.session.add(report)
db.session.commit()
flask.flash('Successfully reported torrent!', 'success')
return flask.redirect(flask.url_for('torrents.view', torrent_id=torrent_id))
@bp.route('/upload', methods=['GET', 'POST'])
def upload():
upload_form = forms.UploadForm(CombinedMultiDict((flask.request.files, flask.request.form)))
upload_form.category.choices = _create_upload_category_choices()
if flask.request.method == 'POST' and upload_form.validate():
torrent = backend.handle_torrent_upload(upload_form, flask.g.user)
return flask.redirect(flask.url_for('torrents.view', torrent_id=torrent.id))
else:
# If we get here with a POST, it means the form data was invalid: return a non-okay status
status_code = 400 if flask.request.method == 'POST' else 200
return flask.render_template('upload.html', upload_form=upload_form), status_code
@cached_function
def _create_upload_category_choices():
''' Turns categories in the database into a list of (id, name)s '''
choices = [('', '[Select a category]')]
id_map = backend.get_category_id_map()
for key in sorted(id_map.keys()):
cat_names = id_map[key]
is_main_cat = key.endswith('_0')
# cat_name = is_main_cat and cat_names[0] or (' - ' + cat_names[1])
cat_name = ' - '.join(cat_names)
choices.append((key, cat_name, is_main_cat))
return choices
def _get_cached_torrent_file(torrent):
# Note: obviously temporary
cached_torrent = os.path.join(app.config['BASE_DIR'],
'torrent_cache', str(torrent.id) + '.torrent')
if not os.path.exists(cached_torrent):
with open(cached_torrent, 'wb') as out_file:
out_file.write(torrents.create_bencoded_torrent(torrent))
return open(cached_torrent, 'rb'), os.path.getsize(cached_torrent)