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Add Spring Authorization Server project: OAuth2/OIDC provider, client and resource server

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Three modules on Spring Boot 4.1.1 with Spring Authorization Server 7.1.1: the provider
itself, a relying party, and an API that trusts its tokens. Client registration, PKCE,
a custom consent page and token customisation, with profiles that make each failure
reproducible.

Every claim is backed by captured output in docs/output/as-*.txt, regenerated by
authorization-server/scripts/run-all.sh. Notable findings, verified against the jars:

  - OAuth2AuthorizationServerConfiguration.applyDefaultSecurity(HttpSecurity) was deleted
    in 7.0, and both configuration classes moved into spring-security-config
  - ClientSettings.requireProofKey flipped from false to true, on the authorization server
    (1.5.8 -> 7.1.1) and on the OAuth2 client (6.5.1 -> 7.1.1)
  - requireProofKey(false) does not make PKCE optional for a public client; the code
    verifier is that client's only authentication at the token endpoint
  - MediaTypeRequestMatcher(TEXT_HTML) matches Accept: */*, so the token endpoint answers
    API callers with 302 -> /login unless setIgnoredMediaTypes(ALL) is called

Also renames the repository to spring-auth-demo and cross-links the new chapter set from
the existing documentation.
This commit is contained in:
Ankur Mhatre
2026-08-24 08:12:36 +05:30
parent 4dc45d5e00
commit e9381dc5be
89 changed files with 5237 additions and 9 deletions
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28
authorization-server/scripts/run.sh Executable file
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#!/usr/bin/env bash
# ./scripts/run.sh <auth|rs|client> [profiles]
#
# ./scripts/run.sh auth the provider on :9000
# ./scripts/run.sh auth nopkce the provider with PKCE not required
# ./scripts/run.sh rs the API on :8090
# ./scripts/run.sh client the relying party on :8080
set -eu
cd "$(dirname "$0")/.."
. scripts/lib.sh
case "${1:-}" in
auth) MODULE=auth-server; MAIN=AuthServerApplication; PORT=9000 ;;
rs) MODULE=resource-server; MAIN=ResourceServerApplication; PORT=8090 ;;
client) MODULE=oidc-client; MAIN=ClientApplication; PORT=8080 ;;
*) echo "usage: $0 <auth|rs|client> [profiles]" >&2; exit 2 ;;
esac
PROFILES="${2:-}"
kill_app "$MAIN" "$PORT"
LOG="/tmp/${MODULE}.log"
ARGS=(-B -pl "$MODULE" org.springframework.boot:spring-boot-maven-plugin:run)
[ -n "$PROFILES" ] && ARGS+=("-Dspring-boot.run.profiles=$PROFILES")
# Detached, so the script returns and the demo scripts can drive it.
setsid nohup mvn "${ARGS[@]}" > "$LOG" 2>&1 < /dev/null &
echo "starting $MODULE${PROFILES:+ [$PROFILES]} -> $LOG"
wait_for "http://localhost:$PORT/" 120 && echo "$MODULE up on :$PORT"