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server.py
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server.py
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import falcon,hashlib
import json,sqlite3
from titus.genpy import PFAEngine
import os.path
class GaloisServer(object):
def __init__(self,queries,cache):
self.queries = queries
self.cache = cache
def is_path_model(self,path):
return path.endswith(".pfa")
def is_path_dir(self,path):
return not self.is_path_model(path)
def path_exists(self,path):
if self.queries.can_rwx("root",path) is None:
return False
else:
return True
def on_get_dir(self,request,response):
url = request.path
try:
# list directory
ls = ""
for lsobj in self.queries.list_dir(url):
filename,user_name,group_name,read_owner,write_owner,execute_owner,read_group,write_group,execute_group,read_other,write_other,execute_other = lsobj
ls += "%s,o=%s,g=%s:ro=%s,wo=%s,xo=%s,rg=%s;wg=%s,xg=%s,rot=%s;wot=%s,xot=%s\n" % (filename,user_name,group_name,read_owner,write_owner,execute_owner,read_group,write_group,execute_group,read_other,write_other,execute_other)
response.body = ls
response.status = falcon.HTTP_200
except Exception, e:
response.body = "%s not found,%s" % (url,e)
response.status = falcon.HTTP_404
def on_get_model(self,request,response):
url = request.path
path,file_id,parent_id,content,engine = self.cache.getFile(url)
if not content is None:
# print content of file
response.body = content
response.status = falcon.HTTP_200
else:
response.body = "%s not found" % url
response.status = falcon.HTTP_404
def on_post_dir(self,request,response):
url = request.path
try:
name = request.get_header("filename")
username = request.get_header("username")
if not name.endswith(".pfa"):
raise Exception("not supported file: %s" % name)
path,file_id,parent_id,content,engine = self.cache.getFile(url)
# post model to directory if it does not exist
if not self.path_exists(os.path.join(url,name)):
content = request.stream.read(request.content_length or 0)
engine, = PFAEngine.fromJson(json.loads(content))
engine.begin()
# read the file-rights of the directory
read_owner,write_owner,execute_owner,read_group,write_group,execute_group,read_other,write_other,execute_other = self.cache.getFileRights(file_id)
owner_id, group_id = self.cache.getFileOwners(file_id)
new_file_id = self.queries.insertFile(
content = content,
name = name,
parent_id = file_id,
owner_id = owner_id,
group_id = group_id,
read_owner = read_owner,
write_owner = write_owner,
execute_owner = execute_owner,
read_group = read_group,
write_group = write_group,
execute_group = execute_group,
read_other = read_other,
write_other = write_other,
execute_other = execute_other
)
# insert new file in cache
newfilepath = os.path.join(url,name)
self.cache.path2file[newfilepath] = (newfilepath,new_file_id,parent_id,content,engine)
self.cache.filesMetaData[new_file_id] = (owner_id, group_id, read_owner,read_group,read_other,write_owner,write_group,write_other,execute_owner,execute_group,execute_other)
response.status = falcon.HTTP_200
else:
modelpath = os.path.join(url,name)
response.body = "%s already exists. try PUT %s" % (modelpath,modelpath)
response.status = falcon.HTTP_409 # Conflict, model already exists
except Exception, e:
response.body = "%s an error occured, %s" % (url,e)
response.status = falcon.HTTP_505
def on_post_model(self,request,response):
url = request.path
try:
path,file_id,parent_id,content,engine = self.cache.getFile(url)
# execute model
d = json.loads(request.stream.read(request.content_length or 0))
resp = engine.action(d)
response.media = resp
response.status = falcon.HTTP_200
except Exception, e:
response.body = "%s not found, %s" % (url,e)
response.status = falcon.HTTP_404
def on_put_dir(self,request,response):
url = request.path
try:
name = request.get_header("filename")
path,file_id,parent_id,content,engine = self.cache.getFile(url)
# create new subdirectory if it does not exist, otherwise do not do anything
if not self.path_exists(os.path.join(url,name)):
# read the file-rights of the directory
read_owner,write_owner,execute_owner,read_group,write_group,execute_group,read_other,write_other,execute_other = self.cache.getFileRights(file_id)
owner_id, group_id = self.cache.getFileOwners(file_id)
new_file_id = self.queries.insertFile(
content = None,
name = name,
parent_id = file_id,
owner_id = owner_id,
group_id = group_id,
read_owner = read_owner,
write_owner = write_owner,
execute_owner = execute_owner,
read_group = read_group,
write_group = write_group,
execute_group = execute_group,
read_other = read_other,
write_other = write_other,
execute_other = execute_other
)
# insert new file in cache
newfilepath = os.path.join(url,name)
self.cache.path2file[newfilepath] = (newfilepath,new_file_id,parent_id,None,None)
self.cache.filesMetaData[new_file_id] = (owner_id, group_id, read_owner,read_group,read_other,write_owner,write_group,write_other,execute_owner,execute_group,execute_other)
response.status = falcon.HTTP_200
else:
response.body = "directory %s already exists." % os.path.join(url,name)
response.status = falcon.HTTP_409
except Exception, e:
response.body = "%s not found, %s" % (url,e)
response.status = falcon.HTTP_404
def on_put_model(self,request,response):
url = request.path
splitted = url.split("/")
parentpath = os.path.join('/',*splitted[0:-1])
modelname = splitted[-1]
if self.path_exists(url):
path,file_id,parent_id,content,engine = self.cache.getFile(url)
# overwrite content, restart engine
newcontent = request.stream.read(request.content_length or 0)
newengine, = PFAEngine.fromJson(json.loads(newcontent))
newengine.begin()
self.queries.updateFile(file_id = file_id,content = newcontent)
# update cache
self.cache.path2file[url] = (url,file_id,parent_id,newcontent,newengine)
elif self.path_exists(parentpath) and self.is_path_dir(parentpath): # create model in dir, if parent directory exists, start engine
path,file_id,parent_id,content,engine = self.cache.getFile(parentpath)
content = request.stream.read(request.content_length or 0)
engine, = PFAEngine.fromJson(json.loads(content))
engine.begin()
# read the file-rights of the directory
read_owner,write_owner,execute_owner,read_group,write_group,execute_group,read_other,write_other,execute_other = self.cache.getFileRights(file_id)
owner_id, group_id = self.cache.getFileOwners(file_id)
new_file_id = self.queries.insertFile(
content = content,
name = modelname,
parent_id = file_id,
owner_id = owner_id,
group_id = group_id,
read_owner = read_owner,
write_owner = write_owner,
execute_owner = execute_owner,
read_group = read_group,
write_group = write_group,
execute_group = execute_group,
read_other = read_other,
write_other = write_other,
execute_other = execute_other
)
# insert new file in cache
self.cache.path2file[url] = (url,new_file_id,parent_id,content,engine)
self.cache.filesMetaData[new_file_id] = (owner_id, group_id, read_owner,read_group,read_other,write_owner,write_group,write_other,execute_owner,execute_group,execute_other)
response.status = falcon.HTTP_200
else:
response.body = "%s not found" % url
response.status = falcon.HTTP_404
def on_delete_dir(self,request,response):
url = request.path
try:
path,file_id,parent_id,content,engine = self.cache.getFile(parentpath)
if self.queries.is_empty_dir(url):
self.queries.deleteFile(file_id)
del self.cache.path2file[file_id]
except Exception,e: # dir does not exist, -> return 404
response.status = falcon.HTTP_404
return
response.status = falcon.HTTP_200
def on_delete_model(self,request,response):
url = request.path
try:
path,file_id,parent_id,content,engine = self.cache.getFile(url)
self.queries.deleteFile(file_id)
del self.cache.path2file[file_id]
del self.cache.fileMetaData[file_id]
except Exception,e: # file does not exist, -> return 404
response.status = falcon.HTTP_404
return
response.status = falcon.HTTP_200
def on_delete(self, request,response):
username = request.get_header("username")
url = request.path
if self.path_exists(url):
r,w,x = self.queries.can_rwx(username,url)
if self.is_path_model(url) and w:
self.on_delete_model(request,response)
elif self.is_path_dir(url) and w:
self.on_delete_dir(request,response)
else:
response.body = "505 : (%s,%s)" % (username,url)
response.status = falcon.HTTP_505
else:
response.body = "404 : %s" % url
response.status = falcon.HTTP_404
def on_get(self, request,response):
username = request.get_header("username")
url = request.path
if self.path_exists(url):
r,w,x = self.queries.can_rwx(username,url)
if self.is_path_model(url) and r:
self.on_get_model(request,response)
elif self.is_path_dir(url) and r:
self.on_get_dir(request,response)
else:
response.body = "505 : (%s,%s)" % (username,url)
response.status = falcon.HTTP_505
else:
response.body = "404 : %s" % url
response.status = falcon.HTTP_404
def on_post(self, request,response):
username = request.get_header("username")
url = request.path
if self.path_exists(url):
r,w,x = self.queries.can_rwx(username,url)
if self.is_path_model(url) and x:
self.on_post_model(request,response)
elif self.is_path_dir(url) and w:
self.on_post_dir(request,response)
else:
response.body = "505 : (%s,%s)" % (username,url)
response.status = falcon.HTTP_505
else:
response.body = "404 : %s" % url
response.status = falcon.HTTP_404
def on_put(self, request,response):
username = request.get_header("username")
url = request.path
splitted = url.split("/")
parentpath = os.path.join('/',*splitted[0:-1])
modelname = splitted[-1]
if self.path_exists(parentpath):
r,w,x = self.queries.can_rwx(username,parentpath)
if self.is_path_model(url) and w:
self.on_put_model(request,response)
elif self.is_path_dir(url) and w:
self.on_put_dir(request,response)
else:
response.body = "505 : (%s,%s)" % (username,url)
response.status = falcon.HTTP_505
else:
response.body = "404 : %s" % url
response.status = falcon.HTTP_404
def on_patch(self,request,response):
username = request.get_header("username")
if username=="root" or self.queries.user_is_owner(username,request.path):
try:
owner_name = request.get_header("owner_name")
group_name = request.get_header("group_name")
read_owner = bool(int(request.get_header("read_owner")))
write_owner = bool(int(request.get_header("write_owner")))
execute_owner = bool(int(request.get_header("execute_owner")))
read_group = bool(int(request.get_header("read_group")))
write_group = bool(int(request.get_header("write_group")))
execute_group = bool(int(request.get_header("execute_group")))
read_other = bool(int(request.get_header("read_other")))
write_other = bool(int(request.get_header("write_other")))
execute_other = bool(int(request.get_header("execute_other")))
owner_id = self.queries.get_uid(owner_name)
group_id = self.queries.get_gid(group_name)
path,file_id,parent_id,content,engine = self.cache.getFile(request.path)
self.queries.updateFileMetaData(file_id,owner_id,group_id,read_owner,write_owner,execute_owner,read_group,write_group,execute_group,read_other,write_other,execute_other)
self.cache.filesMetaData[file_id] = (owner_id, group_id, read_owner,write_owner,execute_owner,read_group,write_group,execute_group,read_other,write_other,execute_other)
response.body = "200"
response.status = falcon.HTTP_200
except Exception,e :
response.body = "403 : %s " % e
response.status = falcon.HTTP_403
return
else:
response.body = "403: (%s,%s)" % (request.path, username)
response.status = falcon.HTTP_403
def router(request,response):
username = request.get_header("username")
pw = request.get_header("password")
try:
m = hashlib.sha256()
m.update(pw)
hpw = m.digest()
if galoisServer.queries.user_has_pw(username,hpw):
if request.method == 'DELETE':
galoisServer.on_delete(request,response)
if request.method == 'GET':
galoisServer.on_get(request,response)
if request.method == 'PUT':
galoisServer.on_put(request,response)
if request.method == 'POST':
galoisServer.on_post(request,response)
if request.method == 'PATCH':
galoisServer.on_patch(request,response)
else:
response.body = "505"
response.status = falcon.HTTP_505
except Exception,e:
response.body = "505 : %s" % e
response.status = falcon.HTTP_505
class Conn(object):
def __init__(self, sqlitefile = "galois.db"):
self.db = sqlite3.connect(sqlitefile)
self.db.text_factory = str
class Queries(object):
def __init__(self,db):
self.db = db
self.cursor = self.db.cursor()
def get_uid(self,user_name):
sql = """select uid from s_user where name = ?;"""
return self.cursor.execute(sql, (user_name,)).fetchone()[0]
def get_gid(self,group_name):
sql = """select gid from s_group where name = ?;"""
return self.cursor.execute(sql, (group_name,)).fetchone()[0]
def updateFileMetaData(self,file_id,owner_id,group_id,read_owner,write_owner,execute_owner,read_group,write_group,execute_group,read_other,write_other,execute_other):
sql = """update s_file set owner_id = ?,group_id=?, read_owner=?, write_owner=?, execute_owner=?, read_group=?, write_group=?, execute_group=?, read_other=?, write_other=?, execute_other=? where file_id = ?;"""
self.cursor.execute(sql, (owner_id,group_id,read_owner,write_owner,execute_owner,read_group,write_group,execute_group,read_other,write_other,execute_other,file_id,))
self.db.commit()
def deleteFile(self, file_id):
sql = """delete from s_file where file_id = ?;"""
self.cursor.execute(sql,(file_id,))
self.db.commit()
def updateFile(self, file_id,content):
sql = """update s_file set content = ? where file_id = ?"""
self.cursor.execute(sql, (sqlite3.Binary(content),file_id,))
self.db.commit()
def insertFile(self,content,name,parent_id,owner_id,group_id,read_owner,write_owner,
execute_owner,read_group,write_group,execute_group,read_other,write_other,execute_other):
sql = """insert into s_file(content,name,parent_id,owner_id,group_id,read_owner,write_owner,execute_owner,
read_group,write_group,execute_group,read_other,write_other,execute_other) values (?,?,?,?,?,?,?,?,?,?,?,?,?,?);"""
self.cursor.execute(sql,(content,name,parent_id,owner_id,group_id,read_owner,write_owner,
execute_owner,read_group,write_group,execute_group,read_other,write_other,execute_other,))
self.db.commit()
return self.cursor.lastrowid
def user_has_pw(self,username,hpw):
sql = """select name from s_user where name = ? and password = ? """
row = self.cursor.execute(sql,(username,hpw,)).fetchone()
return not (row is None)
def can_rwx(self,user_name,path):
sql = """select can_write,can_read,can_execute from global_rights gr left join s_user u on gr.uid = u.uid where u.name = ? and gr.path = ?"""
can = self.cursor.execute(sql,(user_name,path,)).fetchone()
if can is None:
return None
elif user_name == "root":
return (True,True,True)
else:
w,r,x = can
return (r,w,x)
def list_dir(self,path):
sql = """select lr.name as file_name, u.name as user_name, g.name as group_name, f.read_owner, f.write_owner, f.execute_owner, f.read_group, f.write_group, f.execute_group, f.read_other, f.write_other, f.execute_other from local_rights lr left join global_rights gr on lr.uid = gr.uid and lr.parent_id = gr.file_id left join s_file f on f.file_id = lr.file_id left join s_user u on u.uid = f.owner_id left join s_group g on g.gid = f.group_id where gr.path = ? and lr.uid = 1;"""
ls = self.cursor.execute(sql,(path,)).fetchall()
if len(ls)==0 or ls is None:
return []
else:
return [ls[i] for i in range(len(ls))]
def is_empty_dir(self,path):
return len(self.list_dir(path)) == 0
def user_is_owner(self,username, path):
sql = """select case when f.owner_id = u.uid then 1 else 0 end as user_is_owner from global_rights gr left join s_user u on gr.uid = u.uid left join s_file f on f.file_id = gr.file_id where u.name = ? and gr.path = ?"""
user_is_owner = self.cursor.execute(sql,(username,path,)).fetchone()[0]
return user_is_owner
class Cache(object):
def __init__(self,db):
self.db = db
self.cursor = self.db.cursor()
self.__load_cache()
def __load_cache(self):
fileMetaData = self.cursor.execute("select file_id, owner_id, group_id, read_owner,write_owner,execute_owner,read_group,write_group,execute_group,read_other,write_other,execute_other from s_file;").fetchall()
self.filesMetaData = dict([ (fileMetaData[i][0],fileMetaData[i][1:]) for i in range(len(fileMetaData))] )
files = self.cursor.execute("select gr.path,f.file_id,f.parent_id, f.content from s_file f left join global_rights gr on f.file_id = gr.file_id where gr.uid = 1").fetchall()
self.path2file = {}
for file in files:
path,file_id,parent_id,content = file
if not content is None:
content = str(content)
engine, = PFAEngine.fromJson(json.loads(content))
engine.begin()
self.path2file[path] = (path,file_id,parent_id,content, engine)
else:
self.path2file[path] = (path,file_id,parent_id,None,None)
def getFile(self,path):
if path in self.path2file.keys():
return self.path2file[path]
else:
return None
def getFileOwners(self,file_id):
if file_id in self.filesMetaData.keys():
return self.filesMetaData[file_id][0:2]
else:
return None
def getFileRights(self,file_id):
if file_id in self.filesMetaData.keys():
return self.filesMetaData[file_id][2:]
else:
return None
#logging.basicConfig(filename='server.log',level=logging.INFO)
conn = Conn()
qr = Queries(conn.db)
cache = Cache(conn.db)
galoisServer = GaloisServer(queries = qr,cache=cache)
api = falcon.API()
api.add_sink(router,'/galois.*')
#only for root
#/user
#GET: list of all usernames
#PUT: create or overwrite specific user
#DELETE: delete specific user
#/group
#GET: list of all groups
#PUT: create or overwrite specific group
#DELETE: delete specific group
#/user_in_group
#GET: list all users in which groups
#PUT: create or overwrite (user,group) in the list
#DELETE: delete specific (user,group) from the list
class User(object):
def __init__(self, queries):
self.queries = queries
def list_users(self):
return self.queries.cursor.execute("select name from s_user;").fetchall()
def put_user(self,username,password):
m = hashlib.sha256()
m.update(password)
password = m.digest()
self.queries.cursor.execute("insert or replace into s_user(name,password) values (?,?);",(username,password,))
self.queries.db.commit()
def delete_user(self,username):
# make all files which are owned by user belong to root:
userid = self.queries.cursor.execute("select uid from s_user where name = ?;", (username,)).fetchone()[0]
self.queries.cursor.execute("update s_file set owner_id = 1 where owner_id = ?;",(userid,))
# delete user
self.queries.cursor.execute("delete from s_user where name = ?;",(username,))
self.queries.db.commit()
def on_get(self,request,response):
try:
username = request.get_header("username")
pw = request.get_header("password")
m = hashlib.sha256()
m.update(pw)
hpw = m.digest()
if self.queries.user_has_pw(username,hpw):
users = self.list_users()
ls = ""
for user in users:
ls += user[0] + "\n"
response.body = ls
response.status = falcon.HTTP_200
else:
response.body = "username and password do not match"
response.status = falcon.HTTP_403
except Exception,e:
response.body = "403 : %s, no username or password given" % e
response.status = falcon.HTTP_403
def on_put(self,request,response):
try:
username = request.get_header("username")
pw = request.get_header("password")
newuser = request.get_header("newusername")
newpassword = request.get_header("newpassword")
m = hashlib.sha256()
m.update(pw)
hpw = m.digest()
M = hashlib.sha256()
M.update(newpassword)
nhpw = M.digest()
if self.queries.user_has_pw(username,hpw) and username=="root":
self.put_user(newuser, nhpw)
response.status = "user %s created or updated" % newuser
response.status = falcon.HTTP_200
else:
response.body = "you are not root. only root can put users"
response.status = falcon.HTTP_403
except Exception,e:
response.body = "403 : %s, you have to supply the following http-headers: username, password, newusername, newpassword" % e
response.status = falcon.HTTP_403
def on_delete(self,request,response):
try:
username = request.get_header("username")
pw = request.get_header("password")
deluser = request.get_header("delusername")
m = hashlib.sha256()
m.update(pw)
hpw = m.digest()
if self.queries.user_has_pw(username,hpw) and username == "root":
self.delete_user(deluser)
response.body = "user %s deleted. all his files belong to root now." % deluser
response.status = falcon.HTTP_200
else:
response.body = "username and password do not match"
response.status = falcon.HTTP_403
except Exception,e:
response.body = "403 : %s, please provide the following http-headers: username, password, delusername = which user should be deleted?" % e
response.status = falcon.HTTP_403
user = User(qr)
api.add_route('/user', user)
class Group(object):
def __init__(self, queries):
self.queries = queries
def list_groups(self):
return self.queries.cursor.execute("select name from s_group;").fetchall()
def put_group(self,groupname):
self.queries.cursor.execute("insert or replace into s_group(name) values (?);",(groupname,))
self.queries.db.commit()
def delete_group(self,groupname):
# make all files which are owned by group belong to root-group:
gid = self.queries.cursor.execute("select gid from s_group where name = ?;", (groupname,)).fetchone()[0]
self.queries.cursor.execute("update s_file set group_id = 1 where group_id = ?;",(gid,))
# delete group
self.queries.cursor.execute("delete from s_group where name = ?;",(groupname,))
self.queries.db.commit()
def on_get(self,request,response):
try:
username = request.get_header("username")
pw = request.get_header("password")
m = hashlib.sha256()
m.update(pw)
hpw = m.digest()
if self.queries.user_has_pw(username,hpw):
groups = self.list_groups()
ls = ""
for group in groups:
ls += group[0] + "\n"
response.body = ls
response.status = falcon.HTTP_200
else:
response.body = "username and password do not match"
response.status = falcon.HTTP_403
except Exception,e:
response.body = "403 : %s, no username or password given" % e
response.status = falcon.HTTP_403
def on_put(self,request,response):
try:
username = request.get_header("username")
pw = request.get_header("password")
groupname = request.get_header("groupname")
m = hashlib.sha256()
m.update(pw)
hpw = m.digest()
if self.queries.user_has_pw(username,hpw) and username=="root":
self.put_group(groupname)
response.status = "group %s created or updated" % groupname
response.status = falcon.HTTP_200
else:
response.body = "you are not root. only root can put groups"
response.status = falcon.HTTP_403
except Exception,e:
response.body = "403 : %s, you have to supply the following http-headers: username, password, groupname" % e
response.status = falcon.HTTP_403
def on_delete(self,request,response):
try:
username = request.get_header("username")
pw = request.get_header("password")
delgroup = request.get_header("delgroup")
m = hashlib.sha256()
m.update(pw)
hpw = m.digest()
if self.queries.user_has_pw(username,hpw) and username == "root":
self.delete_group(delgroup)
response.body = "group %s deleted. all his files belong to root now." % delgroup
response.status = falcon.HTTP_200
else:
response.body = "username and password do not match"
response.status = falcon.HTTP_403
except Exception,e:
response.body = "403 : %s, please provide the following http-headers: username, password, delgroup = which group should be deleted?" % e
response.status = falcon.HTTP_403
group = Group(qr)
api.add_route('/group', group)
class UserInGroup(object):
def __init__(self, queries):
self.queries = queries
def list_uigs(self):
return self.queries.cursor.execute("select u.name, g.name from s_user_in_group uig left join s_user u on uig.uid = u.uid left join s_group g on g.gid = uig.gid;").fetchall()
def put_uig(self,username, groupname):
uid = self.queries.cursor.execute("select uid from s_user where name = ?", (username,)).fetchone()[0]
gid = self.queries.cursor.execute("select gid from s_group where name = ?", (groupname,)).fetchone()[0]
self.queries.cursor.execute("insert or replace into s_user_in_group(uid,gid) values (?,?);",(uid,gid,))
self.queries.db.commit()
def delete_uig(self,username,groupname):
uid = self.queries.cursor.execute("select uid from s_user where name = ?", (username,)).fetchone()[0]
gid = self.queries.cursor.execute("select gid from s_group where name = ?", (groupname,)).fetchone()[0]
# delete user in group
self.queries.cursor.execute("delete from s_user_in_group where uid = ? and gid = ?;",(uid,gid,))
self.queries.db.commit()
def on_get(self,request,response):
try:
username = request.get_header("username")
pw = request.get_header("password")
m = hashlib.sha256()
m.update(pw)
hpw = m.digest()
if self.queries.user_has_pw(username,hpw):
uigs = self.list_uigs()
ls = ""
for uig in uigs:
ls += uig[0]+","+uig[1] + "\n"
response.body = ls
response.status = falcon.HTTP_200
else:
response.body = "username and password do not match"
response.status = falcon.HTTP_403
except Exception,e:
response.body = "403 : %s, no username or password given" % e
response.status = falcon.HTTP_403
def on_put(self,request,response):
try:
username = request.get_header("username")
pw = request.get_header("password")
putgroup = request.get_header("putgroup")
putuser = request.get_header("putuser")
m = hashlib.sha256()
m.update(pw)
hpw = m.digest()
if self.queries.user_has_pw(username,hpw) and username=="root":
self.put_uig(putuser,putgroup)
response.status = "uig (%s,%s) created or updated" % (putuser,putgroup)
response.status = falcon.HTTP_200
else:
response.body = "you are not root. only root can put users in groups"
response.status = falcon.HTTP_403
except Exception,e:
response.body = "403 : %s, you have to supply the following http-headers: username, password, putuser,putgroup" % e
response.status = falcon.HTTP_403
def on_delete(self,request,response):
try:
username = request.get_header("username")
pw = request.get_header("password")
delgroup = request.get_header("delgroup")
deluser = request.get_header("deluser")
m = hashlib.sha256()
m.update(pw)
hpw = m.digest()
if self.queries.user_has_pw(username,hpw) and username == "root":
self.delete_uig(deluser,delgroup)
response.body = "user in group (%s, %s) deleted" % (deluser,delgroup)
response.status = falcon.HTTP_200
else:
response.body = "username and password do not match"
response.status = falcon.HTTP_403
except Exception,e:
response.body = "403 : %s, please provide the following http-headers: username, password, deluser, delgroup = which group should be deleted?" % e
response.status = falcon.HTTP_403
uig = UserInGroup(qr)
api.add_route('/uig',uig)