+
+
+class UserTopicAuth(UserTopic):
+ # topic = "users"
+ # topic_msg = "users"
+ schema_new = user_new_schema
+ schema_edit = user_edit_schema
+
+ def __init__(self, db, fs, msg, auth):
+ UserTopic.__init__(self, db, fs, msg)
+ self.auth = auth
+
+ def check_conflict_on_new(self, session, indata):
+ """
+ Check that the data to be inserted is valid
+
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
+ :param indata: data to be inserted
+ :return: None or raises EngineException
+ """
+ username = indata.get("username")
+ user_list = list(map(lambda x: x["username"], self.auth.get_user_list()))
+
+ if "projects" in indata.keys():
+ raise EngineException("Format invalid: the keyword \"projects\" is not allowed for Keystone",
+ HTTPStatus.BAD_REQUEST)
+
+ if username in user_list:
+ raise EngineException("username '{}' exists".format(username), HTTPStatus.CONFLICT)
+
+ def check_conflict_on_edit(self, session, final_content, edit_content, _id):
+ """
+ Check that the data to be edited/uploaded is valid
+
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
+ :param final_content: data once modified
+ :param edit_content: incremental data that contains the modifications to apply
+ :param _id: internal _id
+ :return: None or raises EngineException
+ """
+ users = self.auth.get_user_list()
+ admin_user = [user for user in users if user["name"] == "admin"][0]
+
+ if _id == admin_user["_id"] and edit_content["project_role_mappings"]:
+ elem = {
+ "project": "admin",
+ "role": "system_admin"
+ }
+ if elem not in edit_content:
+ raise EngineException("You cannot remove system_admin role from admin user",
+ http_code=HTTPStatus.FORBIDDEN)
+
+ def check_conflict_on_del(self, session, _id, db_content):
+ """
+ Check if deletion can be done because of dependencies if it is not force. To override
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
+ :param _id: internal _id
+ :param db_content: The database content of this item _id
+ :return: None if ok or raises EngineException with the conflict
+ """
+ if _id == session["username"]:
+ raise EngineException("You cannot delete your own user", http_code=HTTPStatus.CONFLICT)
+
+ @staticmethod
+ def format_on_new(content, project_id=None, make_public=False):
+ """
+ Modifies content descriptor to include _id.
+
+ NOTE: No password salt required because the authentication backend
+ should handle these security concerns.
+
+ :param content: descriptor to be modified
+ :param make_public: if included it is generated as public for reading.
+ :return: None, but content is modified
+ """
+ BaseTopic.format_on_new(content, make_public=False)
+ content["_id"] = content["username"]
+ content["password"] = content["password"]
+
+ @staticmethod
+ def format_on_edit(final_content, edit_content):
+ """
+ Modifies final_content descriptor to include the modified date.
+
+ NOTE: No password salt required because the authentication backend
+ should handle these security concerns.
+
+ :param final_content: final descriptor generated
+ :param edit_content: alterations to be include
+ :return: None, but final_content is modified
+ """
+ BaseTopic.format_on_edit(final_content, edit_content)
+ if "password" in edit_content:
+ final_content["password"] = edit_content["password"]
+ else:
+ final_content["project_role_mappings"] = edit_content["project_role_mappings"]
+
+ @staticmethod
+ def format_on_show(content):
+ """
+ Modifies the content of the role information to separate the role
+ metadata from the role definition.
+ """
+ project_role_mappings = []
+
+ for project in content["projects"]:
+ for role in project["roles"]:
+ project_role_mappings.append({"project": project["_id"], "role": role["_id"]})
+
+ del content["projects"]
+ content["project_role_mappings"] = project_role_mappings
+
+ return content
+
+ def new(self, rollback, session, indata=None, kwargs=None, headers=None):
+ """
+ Creates a new entry into the authentication backend.
+
+ NOTE: Overrides BaseTopic functionality because it doesn't require access to database.
+
+ :param rollback: list to append created items at database in case a rollback may to be done
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
+ :param indata: data to be inserted
+ :param kwargs: used to override the indata descriptor
+ :param headers: http request headers
+ :return: _id: identity of the inserted data.
+ """
+ try:
+ content = BaseTopic._remove_envelop(indata)
+
+ # Override descriptor with query string kwargs
+ BaseTopic._update_input_with_kwargs(content, kwargs)
+ content = self._validate_input_new(content, session["force"])
+ self.check_conflict_on_new(session, content)
+ self.format_on_new(content, session["project_id"], make_public=session["public"])
+ _id = self.auth.create_user(content["username"], content["password"])["_id"]
+
+ for mapping in content["project_role_mappings"]:
+ self.auth.assign_role_to_user(_id, mapping["project"], mapping["role"])
+
+ rollback.append({"topic": self.topic, "_id": _id})
+ del content["password"]
+ # self._send_msg("create", content)
+ return _id
+ except ValidationError as e:
+ raise EngineException(e, HTTPStatus.UNPROCESSABLE_ENTITY)
+
+ def show(self, session, _id):
+ """
+ Get complete information on an topic
+
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
+ :param _id: server internal id
+ :return: dictionary, raise exception if not found.
+ """
+ users = [user for user in self.auth.get_user_list() if user["_id"] == _id]
+
+ if len(users) == 1:
+ return self.format_on_show(users[0])
+ elif len(users) > 1:
+ raise EngineException("Too many users found", HTTPStatus.CONFLICT)
+ else:
+ raise EngineException("User not found", HTTPStatus.NOT_FOUND)
+
+ def edit(self, session, _id, indata=None, kwargs=None, content=None):
+ """
+ Updates an user entry.
+
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
+ :param _id:
+ :param indata: data to be inserted
+ :param kwargs: used to override the indata descriptor
+ :param content:
+ :return: _id: identity of the inserted data.
+ """
+ indata = self._remove_envelop(indata)
+
+ # Override descriptor with query string kwargs
+ if kwargs:
+ BaseTopic._update_input_with_kwargs(indata, kwargs)
+ try:
+ indata = self._validate_input_edit(indata, force=session["force"])
+
+ if not content:
+ content = self.show(session, _id)
+ self.check_conflict_on_edit(session, content, indata, _id=_id)
+ self.format_on_edit(content, indata)
+
+ if "password" in content:
+ self.auth.change_password(content["name"], content["password"])
+ else:
+ user = self.show(session, _id)
+ original_mapping = user["project_role_mappings"]
+ edit_mapping = content["project_role_mappings"]
+
+ mappings_to_remove = [mapping for mapping in original_mapping
+ if mapping not in edit_mapping]
+
+ mappings_to_add = [mapping for mapping in edit_mapping
+ if mapping not in original_mapping]
+
+ for mapping in mappings_to_remove:
+ self.auth.remove_role_from_user(
+ user["name"],
+ mapping["project"],
+ mapping["role"]
+ )
+
+ for mapping in mappings_to_add:
+ self.auth.assign_role_to_user(
+ user["name"],
+ mapping["project"],
+ mapping["role"]
+ )
+
+ return content["_id"]
+ except ValidationError as e:
+ raise EngineException(e, HTTPStatus.UNPROCESSABLE_ENTITY)
+
+ def list(self, session, filter_q=None):
+ """
+ Get a list of the topic that matches a filter
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
+ :param filter_q: filter of data to be applied
+ :return: The list, it can be empty if no one match the filter.
+ """
+ if not filter_q:
+ filter_q = {}
+
+ users = [self.format_on_show(user) for user in self.auth.get_user_list(filter_q)]
+
+ return users
+
+ def delete(self, session, _id, dry_run=False):
+ """
+ Delete item by its internal _id
+
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
+ :param _id: server internal id
+ :param force: indicates if deletion must be forced in case of conflict
+ :param dry_run: make checking but do not delete
+ :return: dictionary with deleted item _id. It raises EngineException on error: not found, conflict, ...
+ """
+ self.check_conflict_on_del(session, _id, None)
+ if not dry_run:
+ v = self.auth.delete_user(_id)
+ return v
+ return None
+
+
+class ProjectTopicAuth(ProjectTopic):
+ # topic = "projects"
+ # topic_msg = "projects"
+ schema_new = project_new_schema
+ schema_edit = project_edit_schema
+
+ def __init__(self, db, fs, msg, auth):
+ ProjectTopic.__init__(self, db, fs, msg)
+ self.auth = auth
+
+ def check_conflict_on_new(self, session, indata):
+ """
+ Check that the data to be inserted is valid
+
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
+ :param indata: data to be inserted
+ :return: None or raises EngineException
+ """
+ project = indata.get("name")
+ project_list = list(map(lambda x: x["name"], self.auth.get_project_list()))
+
+ if project in project_list:
+ raise EngineException("project '{}' exists".format(project), HTTPStatus.CONFLICT)
+
+ def check_conflict_on_del(self, session, _id, db_content):
+ """
+ Check if deletion can be done because of dependencies if it is not force. To override
+
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
+ :param _id: internal _id
+ :param db_content: The database content of this item _id
+ :return: None if ok or raises EngineException with the conflict
+ """
+ projects = self.auth.get_project_list()
+ current_project = [project for project in projects
+ if project["name"] == session["project_id"]][0]
+
+ if _id == current_project["_id"]:
+ raise EngineException("You cannot delete your own project", http_code=HTTPStatus.CONFLICT)
+
+ def new(self, rollback, session, indata=None, kwargs=None, headers=None):
+ """
+ Creates a new entry into the authentication backend.
+
+ NOTE: Overrides BaseTopic functionality because it doesn't require access to database.
+
+ :param rollback: list to append created items at database in case a rollback may to be done
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
+ :param indata: data to be inserted
+ :param kwargs: used to override the indata descriptor
+ :param headers: http request headers
+ :return: _id: identity of the inserted data.
+ """
+ try:
+ content = BaseTopic._remove_envelop(indata)
+
+ # Override descriptor with query string kwargs
+ BaseTopic._update_input_with_kwargs(content, kwargs)
+ content = self._validate_input_new(content, session["force"])
+ self.check_conflict_on_new(session, content)
+ self.format_on_new(content, project_id=session["project_id"], make_public=session["public"])
+ _id = self.auth.create_project(content["name"])
+ rollback.append({"topic": self.topic, "_id": _id})
+ # self._send_msg("create", content)
+ return _id
+ except ValidationError as e:
+ raise EngineException(e, HTTPStatus.UNPROCESSABLE_ENTITY)
+
+ def show(self, session, _id):
+ """
+ Get complete information on an topic
+
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
+ :param _id: server internal id
+ :return: dictionary, raise exception if not found.
+ """
+ projects = [project for project in self.auth.get_project_list() if project["_id"] == _id]
+
+ if len(projects) == 1:
+ return projects[0]
+ elif len(projects) > 1:
+ raise EngineException("Too many projects found", HTTPStatus.CONFLICT)
+ else:
+ raise EngineException("Project not found", HTTPStatus.NOT_FOUND)
+
+ def list(self, session, filter_q=None):
+ """
+ Get a list of the topic that matches a filter
+
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
+ :param filter_q: filter of data to be applied
+ :return: The list, it can be empty if no one match the filter.
+ """
+ if not filter_q:
+ filter_q = {}
+
+ return self.auth.get_project_list(filter_q)
+
+ def delete(self, session, _id, dry_run=False):
+ """
+ Delete item by its internal _id
+
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
+ :param _id: server internal id
+ :param dry_run: make checking but do not delete
+ :return: dictionary with deleted item _id. It raises EngineException on error: not found, conflict, ...
+ """
+ self.check_conflict_on_del(session, _id, None)
+ if not dry_run:
+ v = self.auth.delete_project(_id)
+ return v
+ return None
+
+
+class RoleTopicAuth(BaseTopic):
+ topic = "roles_operations"
+ topic_msg = "roles"
+ schema_new = roles_new_schema
+ schema_edit = roles_edit_schema
+ multiproject = False
+
+ def __init__(self, db, fs, msg, auth, ops):
+ BaseTopic.__init__(self, db, fs, msg)
+ self.auth = auth
+ self.operations = ops
+
+ @staticmethod
+ def validate_role_definition(operations, role_definitions):
+ """
+ Validates the role definition against the operations defined in
+ the resources to operations files.
+
+ :param operations: operations list
+ :param role_definitions: role definition to test
+ :return: None if ok, raises ValidationError exception on error
+ """
+ ignore_fields = ["_id", "_admin", "name"]
+ for role_def in role_definitions.keys():
+ if role_def in ignore_fields:
+ continue
+ if role_def == ".":
+ if isinstance(role_definitions[role_def], bool):
+ continue
+ else:
+ raise ValidationError("Operation authorization \".\" should be True/False.")
+ if role_def[-1] == ".":
+ raise ValidationError("Operation cannot end with \".\"")
+
+ role_def_matches = [op for op in operations if op.startswith(role_def)]
+
+ if len(role_def_matches) == 0:
+ raise ValidationError("No matching operation found.")
+
+ if not isinstance(role_definitions[role_def], bool):
+ raise ValidationError("Operation authorization {} should be True/False.".format(role_def))
+
+ def _validate_input_new(self, input, force=False):
+ """
+ Validates input user content for a new entry.
+
+ :param input: user input content for the new topic
+ :param force: may be used for being more tolerant
+ :return: The same input content, or a changed version of it.
+ """
+ if self.schema_new:
+ validate_input(input, self.schema_new)
+ self.validate_role_definition(self.operations, input)
+
+ return input
+
+ def _validate_input_edit(self, input, force=False):
+ """
+ Validates input user content for updating an entry.
+
+ :param input: user input content for the new topic
+ :param force: may be used for being more tolerant
+ :return: The same input content, or a changed version of it.
+ """
+ if self.schema_edit:
+ validate_input(input, self.schema_edit)
+ self.validate_role_definition(self.operations, input)
+
+ return input
+
+ def check_conflict_on_new(self, session, indata):
+ """
+ Check that the data to be inserted is valid
+
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
+ :param indata: data to be inserted
+ :return: None or raises EngineException
+ """
+ role = indata.get("name")
+ role_list = list(map(lambda x: x["name"], self.auth.get_role_list()))
+
+ if role in role_list:
+ raise EngineException("role '{}' exists".format(role), HTTPStatus.CONFLICT)
+
+ def check_conflict_on_edit(self, session, final_content, edit_content, _id):
+ """
+ Check that the data to be edited/uploaded is valid
+
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
+ :param final_content: data once modified
+ :param edit_content: incremental data that contains the modifications to apply
+ :param _id: internal _id
+ :return: None or raises EngineException
+ """
+ roles = self.auth.get_role_list()
+ system_admin_role = [role for role in roles
+ if roles["name"] == "system_admin"][0]
+
+ if _id == system_admin_role["_id"]:
+ raise EngineException("You cannot edit system_admin role", http_code=HTTPStatus.FORBIDDEN)
+
+ def check_conflict_on_del(self, session, _id, db_content):
+ """
+ Check if deletion can be done because of dependencies if it is not force. To override
+
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
+ :param _id: internal _id
+ :param db_content: The database content of this item _id
+ :return: None if ok or raises EngineException with the conflict
+ """
+ roles = self.auth.get_role_list()
+ system_admin_role = [role for role in roles
+ if roles["name"] == "system_admin"][0]
+
+ if _id == system_admin_role["_id"]:
+ raise EngineException("You cannot delete system_admin role", http_code=HTTPStatus.FORBIDDEN)
+
+ @staticmethod
+ def format_on_new(content, project_id=None, make_public=False):
+ """
+ Modifies content descriptor to include _admin
+
+ :param content: descriptor to be modified
+ :param project_id: if included, it add project read/write permissions
+ :param make_public: if included it is generated as public for reading.
+ :return: None, but content is modified
+ """
+ now = time()
+ if "_admin" not in content:
+ content["_admin"] = {}
+ if not content["_admin"].get("created"):
+ content["_admin"]["created"] = now
+ content["_admin"]["modified"] = now
+
+ if "." in content.keys():
+ content["root"] = content["."]
+ del content["."]
+
+ if "root" not in content.keys():
+ content["root"] = False
+
+ ignore_fields = ["_id", "_admin", "name"]
+ content_keys = content.keys()
+ for role_def in content_keys:
+ if role_def in ignore_fields:
+ continue
+ content[role_def.replace(".", ":")] = content[role_def]
+ del content[role_def]
+
+ @staticmethod
+ def format_on_edit(final_content, edit_content):
+ """
+ Modifies final_content descriptor to include the modified date.
+
+ :param final_content: final descriptor generated
+ :param edit_content: alterations to be include
+ :return: None, but final_content is modified
+ """
+ final_content["_admin"]["modified"] = time()
+
+ ignore_fields = ["_id", "name", "_admin"]
+ delete_keys = [key for key in final_content.keys() if key not in ignore_fields]
+
+ for key in delete_keys:
+ del final_content[key]
+
+ # Saving the role definition
+ for role_def, value in edit_content.items():
+ final_content[role_def.replace(".", ":")] = value
+
+ if ":" in final_content.keys():
+ final_content["root"] = final_content[":"]
+ del final_content[":"]
+
+ if "root" not in final_content.keys():
+ final_content["root"] = False
+
+ @staticmethod
+ def format_on_show(content):
+ """
+ Modifies the content of the role information to separate the role
+ metadata from the role definition. Eases the reading process of the
+ role definition.
+
+ :param definition: role definition to be processed
+ """
+ content_keys = list(content.keys())
+
+ content["_id"] = str(content["_id"])
+
+ for key in content_keys:
+ if ":" in key:
+ content[key.replace(":", ".")] = content[key]
+ del content[key]
+
+ def show(self, session, _id):
+ """
+ Get complete information on an topic
+
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
+ :param _id: server internal id
+ :return: dictionary, raise exception if not found.
+ """
+ filter_db = {"_id": _id}
+
+ role = self.db.get_one(self.topic, filter_db)
+ new_role = dict(role)
+ self.format_on_show(new_role)
+
+ return new_role
+
+ def list(self, session, filter_q=None):
+ """
+ Get a list of the topic that matches a filter
+
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
+ :param filter_q: filter of data to be applied
+ :return: The list, it can be empty if no one match the filter.
+ """
+ if not filter_q:
+ filter_q = {}
+
+ if "root" in filter_q:
+ filter_q[":"] = filter_q["root"]
+ del filter_q["root"]
+
+ if len(filter_q) > 0:
+ keys = [key for key in filter_q.keys() if "." in key]
+
+ for key in keys:
+ filter_q[key.replace(".", ":")] = filter_q[key]
+ del filter_q[key]
+
+ roles = self.db.get_list(self.topic, filter_q)
+ new_roles = []
+
+ for role in roles:
+ new_role = dict(role)
+ self.format_on_show(new_role)
+ new_roles.append(new_role)
+
+ return new_roles
+
+ def new(self, rollback, session, indata=None, kwargs=None, headers=None):
+ """
+ Creates a new entry into database.
+
+ :param rollback: list to append created items at database in case a rollback may to be done
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
+ :param indata: data to be inserted
+ :param kwargs: used to override the indata descriptor
+ :param headers: http request headers
+ :return: _id: identity of the inserted data.
+ """
+ try:
+ content = BaseTopic._remove_envelop(indata)
+
+ # Override descriptor with query string kwargs
+ BaseTopic._update_input_with_kwargs(content, kwargs)
+ content = self._validate_input_new(content, session["force"])
+ self.check_conflict_on_new(session, content)
+ self.format_on_new(content, project_id=session["project_id"], make_public=session["public"])
+ role_name = content["name"]
+ role = self.auth.create_role(role_name)
+ content["_id"] = role["_id"]
+ _id = self.db.create(self.topic, content)
+ rollback.append({"topic": self.topic, "_id": _id})
+ # self._send_msg("create", content)
+ return _id
+ except ValidationError as e:
+ raise EngineException(e, HTTPStatus.UNPROCESSABLE_ENTITY)
+
+ def delete(self, session, _id, dry_run=False):
+ """
+ Delete item by its internal _id
+
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
+ :param _id: server internal id
+ :param dry_run: make checking but do not delete
+ :return: dictionary with deleted item _id. It raises EngineException on error: not found, conflict, ...
+ """
+ self.check_conflict_on_del(session, _id, None)
+ filter_q = {"_id": _id}
+ if not dry_run:
+ self.auth.delete_role(_id)
+ v = self.db.del_one(self.topic, filter_q)
+ return v
+ return None
+
+ def edit(self, session, _id, indata=None, kwargs=None, content=None):
+ """
+ Updates a role entry.
+
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
+ :param _id:
+ :param indata: data to be inserted
+ :param kwargs: used to override the indata descriptor
+ :param content:
+ :return: _id: identity of the inserted data.
+ """
+ indata = self._remove_envelop(indata)
+
+ # Override descriptor with query string kwargs
+ if kwargs:
+ self._update_input_with_kwargs(indata, kwargs)
+ try:
+ indata = self._validate_input_edit(indata, force=session["force"])
+
+ if not content:
+ content = self.show(session, _id)
+ self.check_conflict_on_edit(session, content, indata, _id=_id)
+ self.format_on_edit(content, indata)
+ self.db.replace(self.topic, _id, content)
+ return id
+ except ValidationError as e:
+ raise EngineException(e, HTTPStatus.UNPROCESSABLE_ENTITY)