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"""Handle role endpoints"""
import uuid
from flask import flash, request, url_for, redirect, Blueprint
from .ui import render_ui
from .checks import require_oauth2
from .client import oauth2_get, oauth2_post
from .request_utils import request_error, process_error
roles = Blueprint("role", __name__)
@roles.route("/role/<uuid:role_id>", methods=["GET"])
@require_oauth2
def role(role_id: uuid.UUID):
def __success__(the_role):
return render_ui("oauth2/role.html",
role=the_role[0],
resource_id=uuid.UUID(the_role[1]))
return oauth2_get(f"auth/role/view/{role_id}").either(
request_error, __success__)
@roles.route("/create", methods=["GET", "POST"])
@require_oauth2
def create_role():
"""Create a new role."""
def __roles_error__(error):
return render_ui(
"oauth2/create-role.html", roles_error=process_error(error))
def __gprivs_error__(roles, error):
return render_ui(
"oauth2/create-role.html", roles=roles,
group_privileges_error=process_error(error))
def __success__(roles, gprivs):
uprivs = tuple(
privilege["privilege_id"] for role in roles
for privilege in role["privileges"])
return render_ui(
"oauth2/create-role.html", roles=roles, user_privileges=uprivs,
group_privileges=gprivs,
prev_role_name=request.args.get("role_name"))
def __fetch_gprivs__(roles):
return oauth2_get("auth/group/privileges").either(
lambda err: __gprivs_error__(roles, err),
lambda gprivs: __success__(roles, gprivs))
if request.method == "GET":
return oauth2_get("auth/user/roles").either(
__roles_error__, __fetch_gprivs__)
form = request.form
role_name = form.get("role_name")
privileges = form.getlist("privileges[]")
if len(privileges) == 0:
flash("You must assign at least one privilege to the role",
"alert-danger")
return redirect(url_for(
"oauth2.role.create_role", role_name=role_name))
def __create_error__(error):
err = process_error(error)
flash(f"{err['error']}: {err['error_description']}",
"alert-danger")
return redirect(url_for("oauth2.role.create_role"))
def __create_success__(*args):
flash("Role created successfully.", "alert-success")
return redirect(url_for("oauth2.role.user_roles"))
raise DeprecationWarning(
f"The `{__name__}.create_role(…)` function, as is currently, can "
"lead to unbounded privilege escalation. See "
"https://issues.genenetwork.org/issues/gn-auth/problems-with-roles")
# return oauth2_post(
# "auth/group/role/create",data={
# "role_name": role_name, "privileges[]": privileges}).either(
# __create_error__,__create_success__)
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