def manage_node(*args):
node_id = int(args[0]['node_id'])
action = args[0]['action']
db = cache.get_raw()
# add new state
if action in ['add', 'insert', 'a', 'i', '+']:
index = int(args[0]['index']) # state index
html = urllib.parse.unquote(args[0]['html'])
db['node_html'][node_id].insert(index, html)
db['force_update'] = True
# remove state
elif action in ['remove', 'delete', 'del', 'r', 'd', '-']:
index = int(args[0]['index']) # state index
del db['node_html'][node_id][index]
db['force_update'] = True
db['html_index'][node_id] = 0
# change update delay [reset timer to prevent overflow]
elif action in ["speed", "delay"]:
db['update_delay'][node_id] = abs(int(args[0]['delay']))
db['update_timer'][node_id] = 0
elif action in ["update", "change", "replace"]:
index = int(args[0]['index']) # state index
html = urllib.parse.unquote(args[0]['html'])
db['node_html'][node_id][index] = html
db['force_update'] = True
else:
return "Invalid action"
return "OK"
def delete_node(*args):
node_id = int(args[0]['node_id'])
db = cache.get_raw()
del db['node_html'][node_id]
del db['html_index'][node_id]
del db['update_timer'][node_id]
del db['update_delay'][node_id]
db['force_update'] = True
return 'OK'
def add_node(*args):
node_id = int(args[0]['node_id'])
db = cache.get_raw()
db['node_html'].insert(node_id, [])
db['html_index'].insert(node_id, 0)
db['update_timer'].insert(node_id, 0)
db['update_delay'].insert(node_id, 2)
db['force_update'] = True
return 'OK'
def delete_file(*args):
filename = args[0]['filename']
if '..' in filename: # no directory traversal
return "Nope"
try: # Delet the fiile, bu don't tell the user abput errors, tht would enable destructive enumeration
_os_remove_file("../Frontend/uploads/" + filename)
db = cache.get_raw()
db['force_update'] = True
return 'OK'
except FileNotFoundError:
pass
return 'File not found'
def newContentAvailable(*args):
# for faster access, get the DB object
db = cache.get_raw()
out = []
for nid, node in enumerate(db['update_timer']):
out.append(node <= 0 and len(db['node_html'][nid]) > 1
or db['force_update'])
if node <= 0:
db['update_timer'][nid] = db['update_delay'][nid] - 1
else:
db['update_timer'][nid] -= 1
db['force_update'] = False
return json.dumps(out)
def node_html(*args, **kwargs):
# extract node_id from GET params
node_id = int(args[0]['node_id'])
# for faster access, get the DB object
db = cache.get_raw()
try:
# fetch the current html data based on the html index of the node
out = db['node_html'][node_id][db['html_index'][node_id]]
# update the html_index and roll over
db['html_index'][node_id] += 1
db['html_index'][node_id] %= len(db['node_html'][node_id])
except IndexError:
out = ""
return out
def get_delay(*args):
return cache.get_raw()['update_delay'][int(args[0]['node_id'])]
def db(*args):
c = cache.get_raw().copy()
c['config'] = [
'No passwords for you, you don\'t need them anyways, right?'
]
return json.dumps(c)