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authorFrederick Muriuki Muriithi2024-01-29 04:54:37 +0300
committerFrederick Muriuki Muriithi2024-01-29 07:32:58 +0300
commitb1b2bfbc71faa65210a17de7b6da55b25506607f (patch)
treeb177306bc3b6d0ff7d53f02d61b57401d69fb7fc
parent575119831dc107d9846050d9d99551a490ee1614 (diff)
downloadgn-auth-b1b2bfbc71faa65210a17de7b6da55b25506607f.tar.gz
Error handling: Handle 404 error.
-rw-r--r--gn_auth/errors.py18
-rw-r--r--gn_auth/templates/404.html13
2 files changed, 29 insertions, 2 deletions
diff --git a/gn_auth/errors.py b/gn_auth/errors.py
index bd2c5eb..52fc489 100644
--- a/gn_auth/errors.py
+++ b/gn_auth/errors.py
@@ -1,8 +1,21 @@
"""Handle application level errors."""
-from flask import Flask, jsonify, current_app
+from werkzeug.exceptions import NotFound
+from flask import Flask, request, jsonify, current_app, render_template
from gn_auth.auth.authorisation.errors import AuthorisationError
+def page_not_found(exc):
+ """404 handler."""
+ content_type = request.content_type
+ if bool(content_type) and content_type.lower() == "application/json":
+ return jsonify({
+ "error": exc.name,
+ "error_description": (f"The page '{request.url}' does not exist on "
+ "this server.")
+ }), 404
+
+ return render_template("404.html", page=request.url)
+
def handle_authorisation_error(exc: AuthorisationError):
"""Handle AuthorisationError if not handled anywhere else."""
current_app.logger.error(exc)
@@ -12,7 +25,8 @@ def handle_authorisation_error(exc: AuthorisationError):
}), exc.error_code
__error_handlers__ = {
- AuthorisationError: handle_authorisation_error
+ AuthorisationError: handle_authorisation_error,
+ NotFound: page_not_found
}
def register_error_handlers(app: Flask):
"""Register ALL defined error handlers"""
diff --git a/gn_auth/templates/404.html b/gn_auth/templates/404.html
new file mode 100644
index 0000000..e17bfe8
--- /dev/null
+++ b/gn_auth/templates/404.html
@@ -0,0 +1,13 @@
+{%extends "base.html"%}
+
+{%block title%}404: Page Not Found{%endblock%}
+
+{%block pagetitle%}404: Could Not Find the Requested Page{%endblock%}
+
+{%block content%}
+
+<p>
+ The page "<strong>{{page}}</strong>" does not exist on this server.
+</p>
+
+{%endblock%}