#!/usr/bin/env bash # Requires: --spring.profiles.active=hs256,shortlived (2-second access tokens) set -u BASE="${1:-http://localhost:8080}" show() { local out; out=$(curl -sS -D /tmp/.h -o /tmp/.b -w '%{http_code}' "$@") printf 'HTTP %s\n' "$out" grep -iE '^www-authenticate:' /tmp/.h | sed 's/\r$//' [ -s /tmp/.b ] && { python3 -m json.tool < /tmp/.b 2>/dev/null | head -6 || cat /tmp/.b; } echo } hr(){ printf '\n%s\n' "--------------------------------------------------------------------------"; } echo "==========================================================================" echo " jwt-auth-demo - token expiry and the 60-second clock skew" echo " profiles: hs256,shortlived (access-token-ttl = 2s)" echo "==========================================================================" TOK=$(curl -sS -X POST "$BASE/api/auth/login" -H 'Content-Type: application/json' \ -d '{"username":"alice","password":"alice-password"}' | python3 -c 'import json,sys;print(json.load(sys.stdin)["accessToken"])') hr; echo "# T+0s - fresh token"; echo; show "$BASE/api/me" -H "Authorization: Bearer $TOK" hr; echo "# T+5s - exp has passed, but JwtTimestampValidator allows 60s of clock skew" echo "# by default, so the token is STILL accepted. This surprises people" echo "# who write a test that sleeps past exp and expects a 401." echo; sleep 5; show "$BASE/api/me" -H "Authorization: Bearer $TOK" hr; echo "# T+65s - past exp + the 60s skew window. Now it is refused." echo; sleep 60; show "$BASE/api/me" -H "Authorization: Bearer $TOK" hr; echo "# end"