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# GNU MediaGoblin -- federated, autonomous media hosting
# Copyright (C) 2013 MediaGoblin contributors. See AUTHORS.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import logging
import re
from werkzeug.exceptions import MethodNotAllowed, BadRequest, NotImplemented
from werkzeug.wrappers import BaseResponse
from mediagoblin.tools.translate import pass_to_ugettext as _
from mediagoblin.meddleware.csrf import csrf_exempt
from mediagoblin.auth.tools import check_login_simple
from mediagoblin.submit.lib import \
submit_media, check_file_field, get_upload_file_limits, \
FileUploadLimit, UserUploadLimit, UserPastUploadLimit
from mediagoblin.user_pages.lib import add_media_to_collection
from mediagoblin.db.models import Collection
from .tools import CmdTable, response_xml, check_form, \
PWGSession, PwgNamedArray, PwgError
from .forms import AddSimpleForm, AddForm
_log = logging.getLogger(__name__)
@CmdTable("pwg.session.login", True)
def pwg_login(request):
username = request.form.get("username")
password = request.form.get("password")
user = check_login_simple(username, password)
if not user:
return PwgError(999, 'Invalid username/password')
request.session["user_id"] = user.id
request.session.save()
return True
@CmdTable("pwg.session.logout")
def pwg_logout(request):
_log.info("Logout")
request.session.delete()
return True
@CmdTable("pwg.getVersion")
def pwg_getversion(request):
return "2.5.0 (MediaGoblin)"
@CmdTable("pwg.session.getStatus")
def pwg_session_getStatus(request):
if request.user:
username = request.user.username
else:
username = "guest"
return {'username': username}
@CmdTable("pwg.categories.getList")
def pwg_categories_getList(request):
catlist = [{'id': -29711,
'uppercats': "-29711",
'name': "All my images"}]
if request.user:
collections = Collection.query.filter_by(
get_actor=request.user).order_by(Collection.title)
for c in collections:
catlist.append({'id': c.id,
'uppercats': str(c.id),
'name': c.title,
'comment': c.description
})
return {
'categories': PwgNamedArray(
catlist,
'category',
(
'id',
'url',
'nb_images',
'total_nb_images',
'nb_categories',
'date_last',
'max_date_last',
)
)
}
@CmdTable("pwg.images.exist")
def pwg_images_exist(request):
return {}
@CmdTable("pwg.images.addSimple", True)
def pwg_images_addSimple(request):
form = AddSimpleForm(request.form)
if not form.validate():
_log.error("addSimple: form failed")
raise BadRequest()
dump = []
for f in form:
dump.append(f"{f.name}={f.data!r}")
_log.info("addSimple: %r %s %r", request.form, " ".join(dump),
request.files)
if not check_file_field(request, 'image'):
raise BadRequest()
try:
entry = submit_media(
mg_app=request.app, user=request.user,
submitted_file=request.files['image'],
filename=request.files['image'].filename,
title=str(form.name.data),
description=str(form.comment.data))
collection_id = form.category.data
if collection_id > 0:
collection = Collection.query.get(collection_id)
if collection is not None and collection.actor == request.user.id:
add_media_to_collection(collection, entry, "")
return {
'image_id': entry.id,
'url': entry.url_for_self(
request.urlgen,
qualified=True)}
# Handle upload limit issues
except FileUploadLimit:
raise BadRequest(
_('Sorry, the file size is too big.'))
except UserUploadLimit:
raise BadRequest(
_('Sorry, uploading this file will put you over your'
' upload limit.'))
except UserPastUploadLimit:
raise BadRequest(
_('Sorry, you have reached your upload limit.'))
md5sum_matcher = re.compile(r"^[0-9a-fA-F]{32}$")
def fetch_md5(request, parm_name, optional_parm=False):
val = request.form.get(parm_name)
if (val is None) and (not optional_parm):
_log.error("Parameter %s missing", parm_name)
raise BadRequest("Parameter %s missing" % parm_name)
if not md5sum_matcher.match(val):
_log.error("Parameter %s=%r has no valid md5 value", parm_name, val)
raise BadRequest("Parameter %s is not md5" % parm_name)
return val
@CmdTable("pwg.images.addChunk", True)
def pwg_images_addChunk(request):
o_sum = fetch_md5(request, 'original_sum')
typ = request.form.get('type')
pos = request.form.get('position')
data = request.form.get('data')
# Validate params:
pos = int(pos)
if not typ in ("file", "thumb"):
_log.error("type %r not allowed for now", typ)
return False
_log.info("addChunk for %r, type %r, position %d, len: %d",
o_sum, typ, pos, len(data))
if typ == "thumb":
_log.info("addChunk: Ignoring thumb, because we create our own")
return True
return True
@CmdTable("pwg.images.add", True)
def pwg_images_add(request):
_log.info("add: %r", request.form)
form = AddForm(request.form)
check_form(form)
return {'image_id': 123456, 'url': ''}
@csrf_exempt
def ws_php(request):
if request.method not in ("GET", "POST"):
_log.error("Method %r not supported", request.method)
raise MethodNotAllowed()
func = CmdTable.find_func(request)
if not func:
_log.warn("wsphp: Unhandled %s %r %r", request.method,
request.args, request.form)
raise NotImplemented()
with PWGSession(request) as session:
result = func(request)
if isinstance(result, BaseResponse):
return result
response = response_xml(result)
session.save_to_cookie(response)
return response
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