def api_view(request, api_name):
# logged in user
c = Context() # duck-typed context object for Mako
c.ident = request.user
add_auth_info_to_context(request, c)
if api_name not in ['silos', 'datasets', 'states', 'items']:
# redirect(url(controller="api", action="apiview", api_name="silos"))
return redirect("/api/silos")
c.api_file = "%s_api.html"%api_name
return render_to_response('/api.html', {'c':c})
def welcome(request):
c = Context() # duck-typed context object for Mako
c.came_from = request.GET.get('came_from', "/")
c.ident = request.user
if request.user.is_authenticated():
add_auth_info_to_context(request, c)
request.session['user_id'] = request.user.username
return redirect(c.came_from)
else:
destination = "/login?came_from=%s" % (c.came_from)
return redirect(destination)
def welcome(request):
c = Context() # duck-typed context object for Mako
c.came_from = request.GET.get('came_from', "/")
c.ident = request.user
if request.user.is_authenticated():
add_auth_info_to_context(request, c)
request.session['user_id'] = request.user.username
return redirect(c.came_from)
else:
destination = "/login?came_from=%s" % (c.came_from)
return redirect(destination)
def login_handler(request):
c = Context() # duck-typed context object for Mako
c.came_from = request.GET.get('came_from', "/")
if request.method == "POST":
if request.POST.has_key('login') and request.POST.has_key('password'):
username = request.POST['login']
password = request.POST['password']
user = authenticate(username=username, password=password)
if user is not None:
if user.is_active:
login(request, user)
# Redirect to a success page.
return redirect('/welcome')
else:
# Return a 'disabled account' error message
request.session['login_flash'] = """Your account is currently disabled. Please contact the administrator."""
else:
# Return an 'invalid login' error message.
request.session['login_flash'] = """Wrong credentials. Have you been registered?"""
return render_to_response("login.html", {'c':c, 'request':request})
def login_handler(request):
c = Context() # duck-typed context object for Mako
c.came_from = request.GET.get('came_from', "/")
if request.method == "POST":
if request.POST.has_key('login') and request.POST.has_key('password'):
username = request.POST['login']
password = request.POST['password']
user = authenticate(username=username, password=password)
if user is not None:
if user.is_active:
login(request, user)
# Redirect to a success page.
return redirect('/welcome')
else:
# Return a 'disabled account' error message
request.session[
'login_flash'] = """Your account is currently disabled. Please contact the administrator."""
else:
# Return an 'invalid login' error message.
request.session[
'login_flash'] = """Wrong credentials. Have you been registered?"""
return render_to_response("login.html", {'c': c, 'request': request})
def index(request):
# logged in user
c = Context() # duck-typed context object for Mako
c.ident = request.user
add_auth_info_to_context(request, c)
c.silos = list_silos()
if settings.METADATA_EMBARGOED:
#if not ident:
# abort(401, "Not Authorised")
if request.user.is_authenticated():
c.silos = authz(ident)
else:
return HttpResponseForbidden("Forbidden")
c.silo_infos = {}
for silo in c.silos:
c.silo_infos[silo] = []
state_info = granary.describe_silo(silo)
if 'title' in state_info and state_info['title']:
c.silo_infos[silo].append(state_info['title'])
else:
c.silo_infos[silo].append(silo)
c.silo_infos[silo].append(get_datasets_count(silo))
c.silo_infos[silo].append(getSiloModifiedDate(silo))
# conneg return
accept_list = None
if request.META.has_key('HTTP_ACCEPT'):
try:
accept_list = conneg_parse(request.META['HTTP_ACCEPT'])
except:
accept_list= [MT("text", "html")]
if not accept_list:
accept_list= [MT("text", "html")]
mimetype = accept_list.pop(0)
while(mimetype):
if str(mimetype).lower() in ["text/html", "text/xhtml"]:
return render_to_response('list_of_silos.html', {'c':c})
elif str(mimetype).lower() in ["text/plain", "application/json"]:
response.content_type = 'application/json; charset="UTF-8"'
response.status_int = 200
response.status = "200 OK"
return HttpResponse(json.dumps(c.silos), mimetype='application/json; charset="UTF-8"')
try:
mimetype = accept_list.pop(0)
except IndexError:
mimetype = None
return render_to_response('list_of_silos.html', {'c':c})
def dataset_view(request, siloname, id):
if not granary.issilo(siloname):
raise Http404
rdfsilo = granary.get_rdf_silo(siloname)
if not rdfsilo.exists(id):
raise Http404
c = Context()
silo = siloname
#tmpl_context variables needed: c.silo_name, c.zipfiles, c.ident, c.id, c.path
c.silo_name = siloname
c.id = id
ident = request.user
c.ident = ident.username
dataset = rdfsilo.get_item(id)
creator = None
if dataset.manifest and dataset.manifest.state and 'metadata' in dataset.manifest.state and dataset.manifest.state['metadata'] and \
'createdby' in dataset.manifest.state['metadata'] and dataset.manifest.state['metadata']['createdby']:
creator = dataset.manifest.state['metadata']['createdby']
http_method = request.method
if http_method == "GET":
c.editor = False
if settings.METADATA_EMBARGOED:
if not ident:
return HttpResponse("Not Authorised", status=401)
silos = authz(ident)
if silo not in silos:
return HttpResponseForbidden("Forbidden")
silos_admin = authz(ident, permission='administrator')
silos_manager = authz(ident, permission='manager')
if c.ident == creator or silo in silos_admin or silo in silos_manager:
c.editor = True
elif ident:
silos = authz(ident)
if silo in silos:
silos_admin = authz(ident, permission='administrator')
silos_manager = authz(ident, permission='manager')
if ident['repoze.who.userid'] == creator or silo in silos_admin or silo in silos_manager:
c.editor = True
else:
#identity management of item
if not ident:
return HttpResponse("Not Authorised", status=401)
silos = authz(ident)
if silo not in silos:
return HttpResponseForbidden("Forbidden")
silos_admin = authz(ident, permission='administrator')
silos_manager = authz(ident, permission='manager')
if not (c.ident == creator or silo in silos_admin or silo in silos_manager):
return HttpResponseForbidden("Forbidden")
if http_method == "GET":
c.zipfiles = get_zipfiles_in_dataset(dataset)
# conneg return
accept_list = None
if 'HTTP_ACCEPT' in request.META:
try:
accept_list = conneg_parse(request.META['HTTP_ACCEPT'])
except:
accept_list= [MT("text", "html")]
if not accept_list:
accept_list= [MT("text", "html")]
mimetype = accept_list.pop(0)
while(mimetype):
if str(mimetype).lower() in ["text/html", "text/xhtml"]:
return render_to_response("/list_of_zipfiles.html", {'c':c,})
elif str(mimetype).lower() in ["text/plain", "application/json"]:
return HttpResponse(json.dumps(list(c.zipfiles.keys())),
mimetype = 'application/json; charset="UTF-8"')
try:
mimetype = accept_list.pop(0)
except IndexError:
mimetype = None
#Whoops nothing satisfies - return text/html
return render_to_response("/list_of_zipfiles.html", {'c':c,})
elif http_method == "POST":
params = request.POST
if not (params.has_key("filename") and params['filename']):
return HttpResponse("You must supply a filename to unpack", status=400)
item_real_filepath = dataset.to_dirpath()
target_filepath = "%s/%s"%(item_real_filepath, params['filename'])
if not os.path.isfile(target_filepath):
return HttpResponse("File to unpack not found", status=404)
if not check_file_mimetype(target_filepath, 'application/zip'):
return HttpResponse("File is not of type application/zip", status=415)
if params.has_key("id") and params['id']:
target_dataset_name = params['id']
else:
target_dataset_name = id
#step 1: Create / initialize target dataset
if not rdfsilo.exists(target_dataset_name):
if not allowable_id2(target_dataset_name):
return HttpResponse("Data package name can contain only the following characters - %s and has to be more than 1 character"%ag.naming_rule_humanized,
status=400,
mimetype="text/plain")
target_dataset = create_new(rdfsilo, target_dataset_name, c.ident)
hr = HttpResponse("Created",
status=201,
mimetype="text/plain")
hr["Content-Location"] = reverse("dataset_view", kwargs={'siloname': siloname, 'id': target_dataset_name})
else:
hr = HttpResponse("204 Updated",
status=204,
mimetype="text/plain")
target_dataset = rdfsilo.get_item(target_dataset_name)
#step 2: Unpack zip item
try:
unpack_zip_item(target_dataset, dataset, params['filename'], rdfsilo, c.ident)
except BadZipfile:
return HttpResponse("BadZipfile: Couldn't unpack zipfile", status=400, mimetype="text/plain")
# FIXME: err.. wat is this?!
target_dataset.sync()
target_dataset.sync()
target_dataset.sync()
if hr.status == 201:
try:
b.creation(silo, id, ident=c.ident)
except:
pass
else:
try:
b.change(silo, id, ident=c.ident)
except:
pass
# conneg return
accept_list = None
if 'HTTP_ACCEPT' in request.META:
try:
accept_list = conneg_parse(request.META['HTTP_ACCEPT'])
except:
accept_list= [MT("text", "html")]
if not accept_list:
accept_list= [MT("text", "html")]
mimetype = accept_list.pop(0)
while(mimetype):
if str(mimetype).lower() in ["text/html", "text/xhtml"]:
return redirect(reverse("dataset_view", kwargs={'silo': silo, 'id': id}))
elif str(mimetype).lower() in ["text/plain", "application/json"]:
hr.mimetype = "text/plain"
return hr
try:
mimetype = accept_list.pop(0)
except IndexError:
mimetype = None
# Whoops - nothing satisfies - return text/plain
hr.mimetype = "text/plain"
return hr
def home(request):
# logged in user
c = Context() # duck-typed context object for Mako
c.ident = request.user
add_auth_info_to_context(request, c)
return render_to_response("home.html", {'c':c})
def api_index(request):
# logged in user
c = Context() # duck-typed context object for Mako
c.ident = request.user
return redirect("/api/silos")
def dataset_view(request, siloname, id):
if not granary.issilo(siloname):
raise Http404
rdfsilo = granary.get_rdf_silo(siloname)
if not rdfsilo.exists(id):
raise Http404
c = Context()
silo = siloname
#tmpl_context variables needed: c.silo_name, c.zipfiles, c.ident, c.id, c.path
c.silo_name = siloname
c.id = id
ident = request.user
c.ident = ident.username
dataset = rdfsilo.get_item(id)
creator = None
if dataset.manifest and dataset.manifest.state and 'metadata' in dataset.manifest.state and dataset.manifest.state['metadata'] and \
'createdby' in dataset.manifest.state['metadata'] and dataset.manifest.state['metadata']['createdby']:
creator = dataset.manifest.state['metadata']['createdby']
http_method = request.method
if http_method == "GET":
c.editor = False
if settings.METADATA_EMBARGOED:
if not ident:
return HttpResponse("Not Authorised", status=401)
silos = authz(ident)
if silo not in silos:
return HttpResponseForbidden("Forbidden")
silos_admin = authz(ident, permission='administrator')
silos_manager = authz(ident, permission='manager')
if c.ident == creator or silo in silos_admin or silo in silos_manager:
c.editor = True
elif ident:
silos = authz(ident)
if silo in silos:
silos_admin = authz(ident, permission='administrator')
silos_manager = authz(ident, permission='manager')
if ident[
'repoze.who.userid'] == creator or silo in silos_admin or silo in silos_manager:
c.editor = True
else:
#identity management of item
if not ident:
return HttpResponse("Not Authorised", status=401)
silos = authz(ident)
if silo not in silos:
return HttpResponseForbidden("Forbidden")
silos_admin = authz(ident, permission='administrator')
silos_manager = authz(ident, permission='manager')
if not (c.ident == creator or silo in silos_admin
or silo in silos_manager):
return HttpResponseForbidden("Forbidden")
if http_method == "GET":
c.zipfiles = get_zipfiles_in_dataset(dataset)
# conneg return
accept_list = None
if 'HTTP_ACCEPT' in request.META:
try:
accept_list = conneg_parse(request.META['HTTP_ACCEPT'])
except:
accept_list = [MT("text", "html")]
if not accept_list:
accept_list = [MT("text", "html")]
mimetype = accept_list.pop(0)
while (mimetype):
if str(mimetype).lower() in ["text/html", "text/xhtml"]:
return render_to_response("/list_of_zipfiles.html", {
'c': c,
})
elif str(mimetype).lower() in ["text/plain", "application/json"]:
return HttpResponse(
json.dumps(list(c.zipfiles.keys())),
mimetype='application/json; charset="UTF-8"')
try:
mimetype = accept_list.pop(0)
except IndexError:
mimetype = None
#Whoops nothing satisfies - return text/html
return render_to_response("/list_of_zipfiles.html", {
'c': c,
})
elif http_method == "POST":
params = request.POST
if not (params.has_key("filename") and params['filename']):
return HttpResponse("You must supply a filename to unpack",
status=400)
item_real_filepath = dataset.to_dirpath()
target_filepath = "%s/%s" % (item_real_filepath, params['filename'])
if not os.path.isfile(target_filepath):
return HttpResponse("File to unpack not found", status=404)
if not check_file_mimetype(target_filepath, 'application/zip'):
return HttpResponse("File is not of type application/zip",
status=415)
if params.has_key("id") and params['id']:
target_dataset_name = params['id']
else:
target_dataset_name = id
#step 1: Create / initialize target dataset
if not rdfsilo.exists(target_dataset_name):
if not allowable_id2(target_dataset_name):
return HttpResponse(
"Data package name can contain only the following characters - %s and has to be more than 1 character"
% ag.naming_rule_humanized,
status=400,
mimetype="text/plain")
target_dataset = create_new(rdfsilo, target_dataset_name, c.ident)
hr = HttpResponse("Created", status=201, mimetype="text/plain")
hr["Content-Location"] = reverse("dataset_view",
kwargs={
'siloname': siloname,
'id': target_dataset_name
})
else:
hr = HttpResponse("204 Updated", status=204, mimetype="text/plain")
target_dataset = rdfsilo.get_item(target_dataset_name)
#step 2: Unpack zip item
try:
unpack_zip_item(target_dataset, dataset, params['filename'],
rdfsilo, c.ident)
except BadZipfile:
return HttpResponse("BadZipfile: Couldn't unpack zipfile",
status=400,
mimetype="text/plain")
# FIXME: err.. wat is this?!
target_dataset.sync()
target_dataset.sync()
target_dataset.sync()
if hr.status == 201:
try:
b.creation(silo, id, ident=c.ident)
except:
pass
else:
try:
b.change(silo, id, ident=c.ident)
except:
pass
# conneg return
accept_list = None
if 'HTTP_ACCEPT' in request.META:
try:
accept_list = conneg_parse(request.META['HTTP_ACCEPT'])
except:
accept_list = [MT("text", "html")]
if not accept_list:
accept_list = [MT("text", "html")]
mimetype = accept_list.pop(0)
while (mimetype):
if str(mimetype).lower() in ["text/html", "text/xhtml"]:
return redirect(
reverse("dataset_view", kwargs={
'silo': silo,
'id': id
}))
elif str(mimetype).lower() in ["text/plain", "application/json"]:
hr.mimetype = "text/plain"
return hr
try:
mimetype = accept_list.pop(0)
except IndexError:
mimetype = None
# Whoops - nothing satisfies - return text/plain
hr.mimetype = "text/plain"
return hr
def view(request, siloname):
c = Context() # duck-typed context object for Mako
add_auth_info_to_context(request, c)
if not granary.issilo(siloname):
raise Http404
ident = request.user
c.ident = ident
c.silo_name = siloname
c.user_permissions = list_user_permissions(ident.username, siloname)
c.editor = False
if settings.METADATA_EMBARGOED:
if request.user.is_authenticated():
c.silos = authz(ident)
if siloname in silos:
c.editor = True
else:
return HttpResponseForbidden("Forbidden")
else:
return HttpResponseForbidden("Forbidden")
else:
c.silos = authz(ident)
if siloname in c.silos:
c.editor = True
# FIXME: MAJOR issue - very specific 'if' here
# TODO: Add a flag to the Silo model to mark whether a silo is
# listable.
if siloname in ['ww1archives', 'digitalbooks']:
return HttpResponse("The silo %s contains too many data packages to list"%siloname, mimetype="text/plain")
rdfsilo = granary.get_rdf_silo(siloname)
state_info = granary.describe_silo(siloname)
if 'title' in state_info and state_info['title']:
c.title = state_info['title']
c.embargos = {}
c.items = []
for item in rdfsilo.list_items():
c.embargos[item] = None
try:
c.embargos[item] = is_embargoed(rdfsilo, item)
except:
pass
c.items.append(item)
#c.embargos[item] = ()
# conneg return
accept_list = None
if request.META.has_key('HTTP_ACCEPT'):
try:
accept_list = conneg_parse(request.META['HTTP_ACCEPT'])
except:
accept_list= [MT("text", "html")]
if not accept_list:
accept_list= [MT("text", "html")]
mimetype = accept_list.pop(0)
while(mimetype):
if str(mimetype).lower() in ["text/html", "text/xhtml"]:
return render_to_response('siloview.html', {'c':c})
elif str(mimetype).lower() in ["text/plain", "application/json"]:
response.content_type = 'application/json; charset="UTF-8"'
response.status_int = 200
response.status = "200 OK"
return simplejson.dumps(c.embargos)
try:
mimetype = accept_list.pop(0)
except IndexError:
mimetype = None
#Whoops nothing satisfies - return text/html
return render_to_response('siloview.html', {'c':c})
