Web Utilities

The following are simple utilities that are helpful with web development.

Documentation

jwks-catalog: A catalog of JWKS endpoints for popular websites.

jwks-observer: Observes and records changes to public OIDC metadata and JWKS for services listed in the jwks-catalog.

dns-caa-catalog: Tracks CAA DNS configurations across top websites to surface insights on certificate issuance policies.

Tools

cert-observatory: Fetches the TLS certificate chain presented by a domain and renders each certificate in an easy-to-inspect format with decoded details and raw PEM.

certsummary: A tool for securely decoding and inspecting SSL/TLS certificates directly in your web browser.

oidcfinder: Automates the discovery of OpenID Connect configuration URLs across list of domains.

Applications

gowebshot: Simple command line application for capturing screen shots of webpages.

gologhttpbinary: A lightweight HTTP server that logs HTTP requests, including the body encoded in base64, enabling logging of binary payloads.

gologhttpjson: A lightweight HTTP server that logs HTTP requests containing JSON payloads, with optional header logging and environment-based metadata.

goenvecho: Simple app that responds to GET requests with a JSON payload listing all environment variables.

hellorest: A minimal Go API returning {“hello”: “world”} on a GET / request deployed using a container