.clang-format

+# SPDX-FileCopyrightText: 2018 Istituto Nazionale di Fisica Nucleare
+#
+# SPDX-License-Identifier: EUPL-1.2
+
 ---
 Language:        Cpp
 # BasedOnStyle:  Google

.devcontainer/Dockerfile

+# SPDX-FileCopyrightText: 2018 Istituto Nazionale di Fisica Nucleare
+#
+# SPDX-License-Identifier: EUPL-1.2
+
+FROM almalinux:9
+
+# Allow customization of build user ID and name
+ARG USERNAME=vscode
+ARG USER_UID=1000
+ARG USER_GID=${USER_UID}
+
+COPY library-scripts/*.sh /tmp/library-scripts/
+
+RUN \
+    sh /tmp/library-scripts/provide-dev-deps.sh && \
+    sh /tmp/library-scripts/provide-user.sh ${USERNAME} ${USER_UID} ${USER_GID} && \
+    dnf clean all && rm -rf /var/cache/dnf
+
+USER $USERNAME

.devcontainer/README.md

+<!--
+SPDX-FileCopyrightText: 2018 Istituto Nazionale di Fisica Nucleare
+
+SPDX-License-Identifier: EUPL-1.2
+-->
+
+# `ngx_http_voms_module` for developers
+
+A devcontainer is ready to use for the developers. A set of packages without nginx are already installed.
+
+## How to build and install nginx with or without httpg patch
+
+To build and install the latest stable version of [nginx](http://nginx.org/en/download.html) you have to copy the `nginx.repo` file (it is contained in the `docker` directory) into the `/etc/yum.repos.d/` directory and install nginx with `yum`:
+
+```shell
+$ sudo cp docker/nginx.repo /etc/yum.repos.d/
+$ sudo yum install -y nginx
+```
+
+Otherwise, if you want to build and install the latest stable version of [nginx](http://nginx.org/en/download.html) with the httpg patch, a bash library is ready to use. You can source it and follow the commands below:
+
+```shell
+$ source .devcontainer/assets/build-library.sh
+$ downloadNginx
+$ buildHttpgNginxRPM
+$ sudo rpm -ivh ~/rpmbuild/RPMS/x86_64/nginx-*.httpg.x86_64.rpm
+```
+
+## How to build and install the `ngx_http_voms_module`
+
+If you want to build and install the `ngx_http_voms_module`, nginx have to be installed in the container (see the previous section). When this requirement is satisfied, you can use the library contained in the `.devcontainer/assets` folder as follows (NOTE: if you have already download nginx source file, you can skip the relative command):
+
+```shell
+$ source .devcontainer/assets/build-library.sh
+$ downloadNginx
+$ buildVomsModuleRPM
+$ sudo rpm -ivh ~/rpmbuild/RPMS/x86_64/nginx-module-http-voms-*.x86_64.rpm
+```
+## How to manage this project
+
+If you want to understand how this project works, start from the CI. Three stages are defined:
+
+### 1. build-rpms
+
+Starting from a clear AlmaLinux 9, we install all the useful packages to compile nginx and to build a rpm package. The bash steps that achieves these results are defined in the `.devcontainer/assets/build-library.sh` file, so you can read that bash script to learn which nginx version we use, how to download it, how to set up the environment and how to build the rpm. 
+
+It is important to underline that to build the nginx rpm we use the spec file in the `rpm` repo, that is the official nginx 1.24.0 spec file increased by the HTTPG patch. To build the `ngx_http_voms_module` we have defined an appropriate spec file indeed. The files that are used to build the rpm module are written, called and collocated following the common practices of the nginx modules: a source file is defined in the `src` folder, the `config` and the `config.make` files are in the root project directory.
+
+At the end of this stage, all the useful rpms are saved as job artifacts.
+
+### 2. docker-build-rpms
+
+In this stage we set up a docker image with nginx, the httpg patch and the `ngx_http_voms_module`. To do this, we use a set of scripts in the [`helper-scripts`](https://baltig.infn.it/mw-devel/helper-scripts.git) project.
+
+The dockerfile and all the files needed for its compilation are in the `docker` directory. The image starts from AlmaLinux 9, defines a user and installs a set of useful packages. After that we import the nginx repo file, in this way we can download a lot of packages provided by nginx, including its last stable version. In the end we install the rpm packages that we build in the previous stage and the njs module.
+
+### 3. push-to-dockerhub
+
+In this last stage we push on dockerhub the image that we have builded in the previous stage. Note that this stage is run only when we push something in the master branch.

.devcontainer/assets/build-library.sh

+#!/usr/bin/env bash
+
+# SPDX-FileCopyrightText: 2018 Istituto Nazionale di Fisica Nucleare
+#
+# SPDX-License-Identifier: EUPL-1.2
+
+downloadNginx() {
+
+  # check if ~/rpmbuild exists and is not empty
+  if [ -d ${HOME}/rpmbuild ] && [ "$(ls -A ${HOME}/rpmbuild)" ]; then
+    >&2 echo "Error: ${HOME}/rpmbuild already exists and is not empty"
+    return 1
+  fi
+
+  # set nginx version
+  if [ -z ${NGINX_VERSION} ]; then
+    >&2 echo "Error: NGINX_VERSION variable not set"
+    return 1
+  fi
+  elVersion=$(rpmbuild --eval %{rhel})
+  echo "Downloading nginx version ${NGINX_VERSION} (EL${elVersion})"
+  src_package_name="nginx-${NGINX_VERSION}.el${elVersion}.ngx.src.rpm"
+  src_package_url="https://nginx.org/packages/centos/${elVersion}/SRPMS/${src_package_name}"
+
+  curl -O ${src_package_url}
+  rpm -i ${src_package_name}
+
+}
+
+buildHttpgNginxRPM() {
+
+  if ! printenv CI_PROJECT_DIR > /dev/null; then
+    >&2 echo "CI_PROJECT_DIR is not set in the environment, assuming the current working directory '${PWD}'"
+    export CI_PROJECT_DIR="${PWD}"
+  fi
+
+  sh ${CI_PROJECT_DIR}/rpm/addPatchToNginxSpec.sh
+
+  # build rpm
+  rpmlint ~/rpmbuild/SPECS/nginx.spec
+  rpmbuild -ba ~/rpmbuild/SPECS/nginx.spec
+}
+
+buildVomsModuleRPM() {
+
+  if [ -z ${CI_PROJECT_DIR} ]; then
+    CI_PROJECT_DIR="/workspaces/ngx_http_voms_module"
+  fi
+
+  # set voms modules sources
+  cd ~/rpmbuild/SOURCES/
+  mkdir ngx-http-voms-module
+  cp ${CI_PROJECT_DIR}/config ngx-http-voms-module/
+  cp ${CI_PROJECT_DIR}/config.make ngx-http-voms-module/
+  cp -r ${CI_PROJECT_DIR}/src ngx-http-voms-module/
+  cp ${CI_PROJECT_DIR}/rpm/nginx-module-http-voms.spec ~/rpmbuild/SPECS
+
+  # build rpm
+  rpmlint ~/rpmbuild/SPECS/nginx-module-http-voms.spec
+  rpmbuild --define "base_version ${VERSION}" --define "nginx_version ${NGINX_VERSION%-*}" -ba ~/rpmbuild/SPECS/nginx-module-http-voms.spec
+
+  cd ${CI_PROJECT_DIR}
+
+}

.devcontainer/devcontainer.json

+// SPDX-FileCopyrightText: 2018 Istituto Nazionale di Fisica Nucleare
+// SPDX-License-Identifier: EUPL-1.2
+
+// For format details, see https://aka.ms/vscode-remote/devcontainer.json or this file's README at:
+// https://github.com/microsoft/vscode-dev-containers/tree/v0.159.0/containers/cpp
+{
+  "name": "C++",
+  "build": {
+    "dockerfile": "Dockerfile",
+  },
+  "runArgs": [
+    "--cap-add=SYS_PTRACE",
+    "--security-opt",
+    "seccomp=unconfined"
+  ],
+  // Set *default* container specific settings.json values on container create.
+  "settings": {
+    "terminal.integrated.defaultProfile.linux": "bash"
+  },
+  // Add the IDs of extensions you want installed when the container is created.
+  "extensions": [
+    "ms-vscode.cpptools",
+  ],
+  // Use 'forwardPorts' to make a list of ports inside the container available locally.
+  // "forwardPorts": [],
+  // Use 'postCreateCommand' to run commands after the container is created.
+  //"postCreateCommand": "sudo debuginfo-install -y voms",
+  // Comment out this line to run as root instead.
+  "remoteUser": "vscode",
+  "remoteEnv": {"NGX_HTTP_VOMS_MODULE_ROOT": "${containerWorkspaceFolder}"}
+}

.devcontainer/library-scripts/provide-dev-deps.sh

+#!/usr/bin/env bash
+
+# SPDX-FileCopyrightText: 2018 Istituto Nazionale di Fisica Nucleare
+#
+# SPDX-License-Identifier: EUPL-1.2
+
+set -ex
+
+dnf install -y epel-release
+dnf update -y
+
+# https://openresty.org/en/linux-packages.html#centos
+curl -o /etc/yum.repos.d/openresty.repo https://openresty.org/package/centos/openresty2.repo
+
+dnf config-manager --set-enabled crb
+
+dnf install -y --setopt=tsflags=nodocs \
+    boost-devel \
+    ccache \
+    file \
+    gcc-c++ \
+    gd-devel \
+    gettext \
+    git \
+    lcov \
+    libxslt-devel \
+    make \
+    patch \
+    pcre2-devel \
+    perl-Digest-SHA \
+    perl-ExtUtils-Embed \
+    perl-Test-Nginx \
+    procps-ng \
+    readline-devel \
+    rpmdevtools \
+    rpmlint \
+    sudo \
+    voms-clients-cpp \
+    voms-devel \
+    which \
+    zlib-devel

.devcontainer/library-scripts/provide-user.sh

+#!/usr/bin/env bash
+
+# SPDX-FileCopyrightText: 2018 Istituto Nazionale di Fisica Nucleare
+#
+# SPDX-License-Identifier: EUPL-1.2
+
+USERNAME=${1}
+USER_UID=${2}
+USER_GID=${3}
+
+set -e
+
+if [ "$(id -u)" -ne 0 ]; then
+    echo -e 'Script must be run as root. Use sudo, su, or add "USER root" to your Dockerfile before running this script.'
+    exit 1
+fi
+
+groupadd --gid $USER_GID $USERNAME
+useradd --uid $USER_UID --gid $USER_GID -m $USERNAME
+
+echo $USERNAME ALL=\(root\) NOPASSWD:ALL > /etc/sudoers.d/$USERNAME
+chmod 0440 /etc/sudoers.d/$USERNAME
+
+CODESPACES_BASH="$(cat \
+<<'EOF'
+
+# Codespaces bash prompt theme
+__bash_prompt() {
+    local userpart='`export XIT=$? \
+        && [ ! -z "${GITHUB_USER}" ] && echo -n "\[\033[0;32m\]@${GITHUB_USER} " || echo -n "\[\033[0;32m\]\u " \
+        && [ "$XIT" -ne "0" ] && echo -n "\[\033[1;31m\]➜" || echo -n "\[\033[0m\]➜"`'
+    local gitbranch='`\
+        export BRANCH=$(git rev-parse --abbrev-ref HEAD 2>/dev/null); \
+        if [ "${BRANCH}" = "HEAD" ]; then \
+            export BRANCH=$(git describe --contains --all HEAD 2>/dev/null); \
+        fi; \
+        if [ "${BRANCH}" != "" ]; then \
+            echo -n "\[\033[0;36m\](\[\033[1;31m\]${BRANCH}" \
+            && if git ls-files --error-unmatch -m --directory --no-empty-directory -o --exclude-standard ":/*" > /dev/null 2>&1; then \
+                    echo -n " \[\033[1;33m\]✗"; \
+            fi \
+            && echo -n "\[\033[0;36m\]) "; \
+        fi`'
+    local lightblue='\[\033[1;34m\]'
+    local removecolor='\[\033[0m\]'
+    PS1="${userpart} ${lightblue}\w ${gitbranch}${removecolor}\$ "
+    unset -f __bash_prompt
+}
+__bash_prompt
+
+EOF
+)"
+
+USER_RC_PATH="/home/${USERNAME}"
+echo "${CODESPACES_BASH}" >> "${USER_RC_PATH}/.bashrc"
+chown ${USERNAME}:${USER_GID} "${USER_RC_PATH}/.bashrc"
+
+echo "Done!"

.gitignore

+# SPDX-FileCopyrightText: 2018 Istituto Nazionale di Fisica Nucleare
+#
+# SPDX-License-Identifier: EUPL-1.2
+
 .vscode
 servroot*
-nginx
\ No newline at end of file
+nginx
+docker/artifacts
+node_modules
+t/*
+!t/README.md
+!t/*.t
+!t/setup.sh
+!t/conf.d
+!t/proxies.d
+!t/openssl.conf
+!t/socket.js
+

.gitlab-ci.yml

-image: storm2/ngx-voms-build:latest
+# SPDX-FileCopyrightText: 2018 Istituto Nazionale di Fisica Nucleare
+#
+# SPDX-License-Identifier: EUPL-1.2
 
-stages:
-  - build
-  - test
-  - docker-build
-  - docker-push
-  - deploy
+variables:
+  NGINX_VERSION: "1.26.3-1"
 
-build-no-debug:
+calculate-version:
   stage: build
+  image: almalinux:latest
+  variables:
+    GIT_STRATEGY: clone
+    GIT_DEPTH: 0
   script:
-    - env
-    - sh ${HOME}/build-install-ngx-voms.sh
-    - mv ${HOME}/local/openresty openresty && rm openresty/nginx/sbin/nginx.old && tar cvzf openresty-no-debug.tar.gz openresty
+    - |
+      if [[ -n ${CI_COMMIT_TAG} ]]; then
+        # In case is a tag, check if the tag matches v<x>.<y>.<z>+<a>.<b>.<c>(-[0-9A-Za-z-]+)?
+        if [[ ${CI_COMMIT_TAG} =~ ^v([0-9]+\.[0-9]+\.[0-9]+)\+([0-9]+\.[0-9]+\.[0-9]+)(-[[:alnum:]-]+)?$ ]]; then
+          if [[ -z ${BASH_REMATCH[3]} ]]; then
+            REPO='stable'
+            VERSION="${BASH_REMATCH[1]}"
+            if [[ ${BASH_REMATCH[1]} != ${NGINX_VERSION%-*} ]]; then
+              echo "NGINX version mismatch between tag (${BASH_REMATCH[1]}) and .gitlab-ci.yml file (${NGINX_VERSION%-*})"
+              exit 1
+            fi
+            if [[ ${BASH_REMATCH[2]} != "$(cat version.txt)" ]]; then
+              echo "Module version mismatch between tag (${BASH_REMATCH[2]}) and version.txt file ($(cat version.txt))"
+              exit 1
+            fi
+            VERSION="${BASH_REMATCH[1]}+${BASH_REMATCH[2]}"
+          else
+            # If the tag includes a "-" is a beta, substitute the first "-" with "~" and any other ones with "_"
+            REPO='beta'
+            PRERELEASE=$(echo ${BASH_REMATCH[3]:1} | sed 's/-/_/g')
+            VERSION="${BASH_REMATCH[1]}+${BASH_REMATCH[2]}~${PRERELEASE}"
+          fi
+        fi
+      else
+        dnf install -y git
+        # Use the output of "git describe" to create version dropping the leading "v" and substituting:
+        # - the last "-" with "."
+        # - the now last "-" with "^"
+        # - the first remaining "-" (if any) with "~"
+        # - all possible remaining "-" with "_"
+        VERSION=$(git describe --tags --long | sed 's/^v//' | sed -r 's/(.*)-/\1./' | sed -r 's/(.*)-/\1^/' | sed 's/-/~/' | sed 's/-/_/g')
+        if [[ ${CI_COMMIT_REF_NAME} = "${CI_DEFAULT_BRANCH}" ]]; then
+          REPO='nightly'
+        fi
+      fi
+      echo "VERSION=${VERSION}" >> build.env
+      echo "REPO=${REPO}" >> build.env
+      echo "Version: ${VERSION}"
+      echo "Repo: ${REPO:-none}"
   artifacts:
-    paths:
-      - openresty-no-debug.tar.gz 
+    reports:
+      dotenv: build.env
 
-build4c:
+build-rpms:
   stage: build
+  needs: ["calculate-version"]
+  parallel:
+    matrix:
+      - EL_VERSION: ["8", "9"]
+  image: almalinux:${EL_VERSION}
   script:
-    - env
-    - sh ${HOME}/build-install-ngx-voms.sh -d -c
-    - mv ${HOME}/local local
-    - mv ${HOME}/openresty-1.13.6.1/build/nginx-1.13.6 nginx-1.13.6
-    - tar cvzf artifacts.tar.gz local nginx-1.13.6
+    - dnf -y install epel-release
+    - dnf install -y openssl-devel zlib-devel pcre2-devel make rpmdevtools rpmlint boost-devel voms-devel gcc-c++
+    - source .devcontainer/assets/build-library.sh
+    - CI_PROJECT_DIR=$PWD
+    - downloadNginx
+    - buildHttpgNginxRPM
+    - buildVomsModuleRPM
+    - mkdir artifacts
+    - cp ~/rpmbuild/SRPMS/* artifacts/
+    - cp ~/rpmbuild/RPMS/x86_64/* artifacts/
   artifacts:
     paths:
-      - artifacts.tar.gz
+      - artifacts/
 
-test4c:
-  stage: test
-  dependencies:
-    - build4c
+build-devcontainer:
+  stage: build
+  image: docker:latest
+  services:
+    - docker:dind
+  variables:
+    IMAGE_TAG: $CI_REGISTRY_IMAGE/devcontainer:$CI_COMMIT_REF_SLUG
   script:
-    - rm -rf ${HOME}/local/
-    - rm -rf ${HOME}/openresty-1.13.6.1/build/nginx-1.13.6/
-    - tar xvzf artifacts.tar.gz
-    - mv local ${HOME}
-    - mv nginx-1.13.6 ${HOME}/openresty-1.13.6.1/build/
-    - sh test-ngx-voms.sh
-    - sh cov-ngx-voms.sh
-    - mv /tmp/coverage-report coverage
-  artifacts:
-    paths:
-      - coverage
+    - |
+      cd .devcontainer
+      echo "$CI_REGISTRY_PASSWORD" | docker login $CI_REGISTRY -u $CI_REGISTRY_USER --password-stdin
+      docker build -t $IMAGE_TAG .
+      docker push $IMAGE_TAG
+  rules:
+    - changes:
+      - .devcontainer/**/*
 
-pages:
-  stage: deploy
-  image: docker:latest
-  dependencies:
-    - test4c
+reuse:
+  stage: build
+  image:
+    name: fsfe/reuse:latest
+    entrypoint: [""]
   script:
-    - mv coverage/ public/
-  artifacts:
-    paths:
-      - public
-    expire_in: 30 days
+    - reuse lint
 
-docker-build:
-  stage: docker-build
-  image: docker:latest
-  services:
-    - docker:dind
-  dependencies:
-    - build-no-debug
+run-tests:
+  stage: test
+  image: $CI_REGISTRY_IMAGE/devcontainer:$CI_COMMIT_REF_SLUG
   script:
-    - cp openresty-no-debug.tar.gz ${CI_PROJECT_DIR}/docker/openresty.tar.gz && cd ${CI_PROJECT_DIR}/docker && sh build-image.sh
-    - docker tag storm2/ngx-voms:latest ${CI_REGISTRY_IMAGE}/ngx-voms:${CI_COMMIT_SHA:0:8}
-    - docker login -u gitlab-ci-token -p ${CI_JOB_TOKEN} ${CI_REGISTRY}
-    - docker push ${CI_REGISTRY_IMAGE}/ngx-voms:${CI_COMMIT_SHA:0:8}
+    - |
+      elVersion=$(rpmbuild --eval %{rhel})
+      sudo dnf install -y artifacts/nginx-*.el${elVersion}.httpg.x86_64.rpm
+      sudo dnf install -y artifacts/nginx-module-http-voms-*.el${elVersion}.x86_64.rpm
+      git clone https://baltig.infn.it/mw-devel/helper-scripts.git
+      PATH=$(pwd)/helper-scripts/x509-scripts/scripts:$PATH
+      (cd t && ./setup.sh)
+      prove
 
-dockerhub-push:
-  stage: docker-push
+upload-rpms:
+  stage: deploy
+  image: almalinux:latest
+  script:
+    - |
+      if [[ -n ${REPO} ]]; then
+        for file in artifacts/*.rpm; do
+          if [[ ${file} =~ \.el([0-9]+)\. ]]; then
+            curl --fail --user "${NEXUS_USERNAME}:${NEXUS_PASSWORD}" --upload-file "${file}" https://repo.cloud.cnaf.infn.it/repository/nginx-rpm-${REPO}/redhat${BASH_REMATCH[1]}/
+          fi
+        done
+      fi
+
+docker-image:
+  stage: deploy
   image: docker:latest
   services:
     - docker:dind
-  dependencies:
-    - docker-build
+  variables:
+    IMAGE_TAG: $CI_REGISTRY_IMAGE:$CI_COMMIT_REF_SLUG
+    DOCKERHUB_IMAGE: cnafsd/nginx-httpg-voms
   script:
-    - docker login -u gitlab-ci-token -p ${CI_JOB_TOKEN} ${CI_REGISTRY}
-    - docker pull ${CI_REGISTRY_IMAGE}/ngx-voms:${CI_COMMIT_SHA:0:8}
-    - docker tag ${CI_REGISTRY_IMAGE}/ngx-voms:${CI_COMMIT_SHA:0:8} storm2/ngx-voms:${CI_COMMIT_SHA:0:8}
-    - docker tag ${CI_REGISTRY_IMAGE}/ngx-voms:${CI_COMMIT_SHA:0:8} storm2/ngx-voms:latest
-    - docker login -u ${DOCKERHUB_USER} -p ${DOCKERHUB_PASSWORD}
-    - docker push storm2/ngx-voms:${CI_COMMIT_SHA:0:8}
-    - docker push storm2/ngx-voms:latest
-  only:
-    - master
+    - |
+      rm ${CI_PROJECT_DIR}/artifacts/*-debuginfo*.rpm
+      echo "$CI_REGISTRY_PASSWORD" | docker login $CI_REGISTRY -u $CI_REGISTRY_USER --password-stdin
+      docker build -t $IMAGE_TAG .
+      docker push $IMAGE_TAG
+      if [ "${REPO}" = 'stable' ]; then
+        echo "$DOCKERHUB_PASSWORD" | docker login -u $DOCKERHUB_USER --password-stdin
+        # Tag latest
+        docker image tag $IMAGE_TAG $CI_REGISTRY_IMAGE
+        docker push $CI_REGISTRY_IMAGE
+        docker image tag $IMAGE_TAG $DOCKERHUB_IMAGE
+        docker push $DOCKERHUB_IMAGE
+        # Commit tag
+        docker image tag $IMAGE_TAG $CI_REGISTRY_IMAGE:$CI_COMMIT_TAG
+        docker push $CI_REGISTRY_IMAGE:$CI_COMMIT_TAG
+        docker image tag $IMAGE_TAG $DOCKERHUB_IMAGE:$CI_COMMIT_TAG
+        docker push $DOCKERHUB_IMAGE:$CI_COMMIT_TAG
+      fi

Dockerfile

+# SPDX-FileCopyrightText: 2018 Istituto Nazionale di Fisica Nucleare
+#
+# SPDX-License-Identifier: EUPL-1.2
+
+ARG EL_VERSION=9
+
+FROM almalinux:${EL_VERSION}
+
+# https://docs.docker.com/reference/dockerfile/#understand-how-arg-and-from-interact
+ARG EL_VERSION
+
+# Allow customization of nginx user ID and name
+ARG USERNAME=nginx
+ARG USER_UID=1000
+ARG USER_GID=${USER_UID}
+
+# install dependencies and create user
+RUN dnf update -y && \
+    dnf install -y epel-release && \
+    groupadd --gid $USER_GID $USERNAME && \
+    useradd --uid $USER_UID --gid $USER_GID -m $USERNAME && \
+    mkdir /pkgs
+
+COPY artifacts/*.rpm /pkgs/
+
+# install nginx httpg + voms and njs dynamic module
+COPY <<'EOF' /etc/yum.repos.d/nginx.repo
+[nginx-stable]
+name=nginx stable repo
+baseurl=http://nginx.org/packages/centos/$releasever/$basearch/
+gpgcheck=1
+enabled=1
+gpgkey=https://nginx.org/keys/nginx_signing.key
+module_hotfixes=true
+EOF
+RUN dnf install -y /pkgs/nginx-*.el${EL_VERSION}.httpg.x86_64.rpm && \
+    dnf install -y /pkgs/nginx-module-http-voms-*.el${EL_VERSION}.x86_64.rpm && \
+    dnf install -y nginx-module-njs-$(rpm -q --qf %{VERSION} nginx)* \
+    && rm -rf /pkgs \
+    && dnf clean all && rm -rf /var/cache/dnf \
+    && sed -i '1i load_module modules/ngx_http_voms_module.so;' /etc/nginx/nginx.conf \
+# forward request and error logs to docker log collector
+    && ln -sf /dev/stdout /var/log/nginx/access.log \
+    && ln -sf /dev/stderr /var/log/nginx/error.log
+
+STOPSIGNAL SIGQUIT
+
+CMD ["nginx", "-g", "daemon off;"]

LICENSES/EUPL-1.2.txt

+EUROPEAN UNION PUBLIC LICENCE v. 1.2
+EUPL © the European Union 2007, 2016
+
+This European Union Public Licence (the ‘EUPL’) applies to the Work (as defined below) which is provided under the
+terms of this Licence. Any use of the Work, other than as authorised under this Licence is prohibited (to the extent such
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+a European Union Member State.
+
+
+                                                         Appendix
+
+‘Compatible Licences’ according to Article 5 EUPL are:
+— GNU General Public License (GPL) v. 2, v. 3
+— GNU Affero General Public License (AGPL) v. 3
+— Open Software License (OSL) v. 2.1, v. 3.0
+— Eclipse Public License (EPL) v. 1.0
+— CeCILL v. 2.0, v. 2.1
+— Mozilla Public Licence (MPL) v. 2
+— GNU Lesser General Public Licence (LGPL) v. 2.1, v. 3
+— Creative Commons Attribution-ShareAlike v. 3.0 Unported (CC BY-SA 3.0) for works other than software
+— European Union Public Licence (EUPL) v. 1.1, v. 1.2
+— Québec Free and Open-Source Licence — Reciprocity (LiLiQ-R) or Strong Reciprocity (LiLiQ-R+).
+
+The European Commission may update this Appendix to later versions of the above licences without producing
+a new version of the EUPL, as long as they provide the rights granted in Article 2 of this Licence and protect the
+covered Source Code from exclusive appropriation.
+All other changes or additions to this Appendix require the production of a new EUPL version.

README.md

-# ngx_http_voms_module
+<!--
+SPDX-FileCopyrightText: 2018 Istituto Nazionale di Fisica Nucleare
 
-[![pipeline status](https://baltig.infn.it/storm2/ngx_http_voms_module/badges/master/pipeline.svg)](https://baltig.infn.it/storm2/ngx_http_voms_module/commits/master)
+SPDX-License-Identifier: EUPL-1.2
+-->
 
-## Description
-
-_ngx_http_voms_module_ is a module for the [Nginx web server](https://www.nginx.org/) that enables client-side authentication based on X.509 proxy certificates augmented with VOMS Attribute Certificates, typically obtained from a [Virtual Organization Membership Service](https://italiangrid.github.io/voms/) (VOMS) server.
+# `ngx_http_voms_module`
 
-The module defines a set of [_embedded_ variables](~embedded-variables), whose values are extracted from the first Attribute Certificate found in the certificate chain.
+[![pipeline status](https://baltig.infn.it/cnafsd/ngx_http_voms_module/badges/master/pipeline.svg)](https://baltig.infn.it/cnafsd/ngx_http_voms_module/commits/master)
 
-## Installation
-
-The generic installation instructions are:
-
-    $ cd nginx-1.x.y
-    $ ./configure --add-module=/path/to/ngx_http_voms_module
-    $ make && make install
+## Description
 
-A Docker image is available for use in the context of the StoRM2 project, where the OpenResty distribution is used:
+`ngx_http_voms_module` is a module for the [Nginx web server](https://www.nginx.org/) that enables client-side authentication based on X.509 proxy certificates augmented with VOMS Attribute Certificates, typically obtained from a [Virtual Organization Membership Service](https://italiangrid.github.io/voms/) (VOMS) server.
 
-    $ docker run --rm -it -v /path/to/ngx_http_voms_module:/home/build/ngx_http_voms_module storm2/ngx-voms-build
-    % cd openresty-1.x.y
-    % ./configure ${RESTY_CONFIG_OPTIONS} --add-module=../ngx_http_voms_module
-    % make && make install
+The module defines a set of *embedded* variables, whose values are extracted from the first Attribute Certificate found in the certificate chain.
 
-## Embedded Variables
+### Embedded Variables
 
 The module makes the following embedded variables available for use in an Nginx configuration file:
 
-### voms_user
+#### voms_user
 
 The Subject of the End-Entity certificate, used to sign the proxy.
 
 _Example_: ``/C=IT/O=IGI/CN=test0``
 
-### ssl_client_ee_s_dn
+#### ssl_client_ee_s_dn
 
 Like `voms_user`, the Subject of the End-Entity certificate. Unlike `voms_user`, it is available even for non-VOMS proxies and is formatted according to RFC 2253.
 
-_Example_: ``CN=test0,O=IGI,C=IT``
+_Example_: `CN=test0,O=IGI,C=IT`
 
-### voms_user_ca
+#### voms_user_ca
 
 The Issuer (Certificate Authority) of the End-Entity certificate.
 
-_Example_: ``/C=IT/O=IGI/CN=Test CA``
+_Example_: `/C=IT/O=IGI/CN=Test CA`
 
-### ssl_client_ee_i_dn
+#### ssl_client_ee_i_dn
 
 Like `voms_user_ca`, the Issuer of the End-Entity certificate. Unlike `voms_user_ca`, it is available even for non-VOMS proxies and is formatted according to RFC 2253.
 
-_Example_: ``CN=Test CA,O=IGI,C=IT``
+_Example_: `CN=Test CA,O=IGI,C=IT`
 
-### voms_fqans
+#### voms_fqans
 
 A comma-separated list of Fully Qualified Attribute Names. See [The VOMS Attribute Certificate Format](http://ogf.org/documents/GFD.182.pdf) for more details.
 
-_Example_: ``/test/exp1,/test/exp2,/test/exp3/Role=PIPPO``
+_Example_: `/test.vo/exp1,/test.vo/exp2,/test.vo/exp3/Role=PIPPO`
 
-### voms_server
+#### voms_server
 
 The Subject of the VOMS server certificate, used to sign the Attribute Certificate.
 
-_Example_: ``/C=IT/O=IGI/CN=voms.example``
+_Example_: `/C=IT/O=IGI/CN=voms.example`
 
-### voms_server_ca
+#### voms_server_ca
 
 The Issuer (Certificate Authority) of the VOMS server certificate.
 
-_Example_: ``/C=IT/O=IGI/CN=Test CA``
+_Example_: `/C=IT/O=IGI/CN=Test CA`
 
-### voms_vo
+#### voms_vo
 
 The name of the Virtual Organization (VO) to which the End Entity belongs.
 
-_Example_: ``test.vo``
+_Example_: `test.vo`
 
-### voms_server_uri
+#### voms_server_uri
 
 The hostname and port of the VOMS network service that issued the Attribute Certificate, in the form _hostname_ :_port_.
 
-_Example_: ``voms.example:15000``
+_Example_: `voms.example:15000`
 
-### voms_not_before
+#### voms_not_before
 
-The date before which the Attribute Certificate is not yet valid, in the form _YYYYMMDDhhmmss_ ``Z``.
+The date before which the Attribute Certificate is not yet valid, in the form _YYYYMMDDhhmmss_ `Z`.
 
-_Example_: ``20180101000000Z``
+_Example_: `20180101000000Z`
 
-### voms_not_after
+#### voms_not_after
 
-The date after which the Attribute Certificate is not valid anymore, in the form _YYYYMMDDhhmmss_ ``Z``.
+The date after which the Attribute Certificate is not valid anymore, in the form _YYYYMMDDhhmmss_ `Z`.
 
-_Example_: ``20180101120000Z``
+_Example_: `20180101120000Z`
 
-### voms_generic_attributes
+#### voms_generic_attributes
 
-A comma-separated list of attributes, each defined by three properties and formatted as ``n=``_name_ ``v=``_value_ ``q=``_qualifier_. The qualifier typically coincides with the name of the VO.
+A comma-separated list of attributes, each defined by three properties and formatted as `n=`_name_ `v=`_value_ `q=`_qualifier_. The qualifier typically coincides with the name of the VO.
 
-_Example_: ``n=nickname v=newland q=test.vo,n=nickname v=giaco q=test.vo``
+_Example_: `n=nickname v=newland q=test.vo,n=nickname v=giaco q=test.vo`
 
-### voms_serial
+#### voms_serial
 
 The serial number of the Attribute Certificate in hexadecimal format.
 
-_Example_: ``7B``
+_Example_: `7B`
+
+## Installation
+
+### prerequisites
+The software dependencies are listed in the [provide-dev-deps](.devcontainer/library-scripts/provide-dev-deps.sh) script in the `.devcontainer` directory.
+
+The nginx source files are also needed. To download them in `/tmp/nginx-x.y.z` you can execute:
+
+```shell
+$ ngxVersion=<version>
+$ curl -o /tmp/nginx-$ngxVersion.tar.gz https://nginx.org/download/nginx-$ngxVersion.tar.gz
+$ cd /tmp && tar -xzvf /tmp/nginx-$ngxVersion.tar.gz && cd -
+```
+
+### Generic installation
+The generic installation instructions are:
+
+```shell
+$ cd /tmp/nginx-x.y.z
+$ ./configure --add-module=/path/to/ngx_http_voms_module
+$ make && make install
+```
+
+### Docker container
+
+A Docker image with nginx and the `ngx_http_voms_module` is available, you can find it [here](https://hub.docker.com/r/cnafsd/nginx-httpg-voms).
+
+### For the developers
+A [.devcontainer](.devcontainer) is provided for the developers with all the instructions on how to use it, how to build the rpm module and how to install it.
 
 ## Testing
 
-Setup and files to test the *ngx\_http\_voms\_module* are contained in the `t` folder. 
+Setup and files to test the `ngx_http_voms_module` are contained in the [`t`](t) folder.

REUSE.toml

+# SPDX-FileCopyrightText: 2018 Istituto Nazionale di Fisica Nucleare
+#
+# SPDX-License-Identifier: EUPL-1.2
+
+version = 1
+
+[[annotations]]
+path = ["nginx-httpg_no_delegation.patch", "version.txt", "t/proxies.d/*"]
+SPDX-FileCopyrightText = "2018 Istituto Nazionale di Fisica Nucleare"
+SPDX-License-Identifier = "EUPL-1.2"

config

+# SPDX-FileCopyrightText: 2018 Istituto Nazionale di Fisica Nucleare
+#
+# SPDX-License-Identifier: EUPL-1.2
+
+ngx_addon_name=ngx_http_voms_module
 ngx_module_type=HTTP
-ngx_addon_name=voms
 ngx_module_name=ngx_http_voms_module
 ngx_module_srcs="$ngx_addon_dir/src/ngx_http_voms_module.cpp"
 ngx_module_libs="-lvomsapi -lstdc++"

config.make

+# SPDX-FileCopyrightText: 2018 Istituto Nazionale di Fisica Nucleare
+#
+# SPDX-License-Identifier: EUPL-1.2
+
+echo "objs/addon/src/ngx_http_voms_module.o: CFLAGS += -Werror" >> $NGX_MAKEFILE
+

cov-ngx-voms.sh

-#!/bin/sh
-
-# Copyright 2018 Istituto Nazionale di Fisica Nucleare
-#
-# Licensed under the EUPL, Version 1.2 or - as soon they will be approved by the
-# European Commission - subsequent versions of the EUPL (the "Licence"). You may
-# not use this work except in compliance with the Licence. You may obtain a copy
-# of the Licence at:
-#
-# https://joinup.ec.europa.eu/software/page/eupl
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the Licence is distributed on an "AS IS" basis, WITHOUT
-# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-# Licence for the specific language governing permissions and limitations under
-# the Licence.
-
-# This script builds in debug mode and installs openresty together with the
-# ngx_http_voms_module.
-#
-# The script requires the locations of the openresty bundle and of the
-# ngx_http_voms_module code (for example as checked-out from git). The locations
-# are expressed by the environment variables OPENRESTY_ROOT and
-# NGX_HTTP_VOMS_MODULE_ROOT respectively, if available. If they are not set,
-# they are guessed:
-# * a unique openresty bundle is looked for in ${HOME}
-# * the ngx_http_voms_module code is looked for in the working directory of the
-#   continuous integration environment first and then in ${HOME}
-#
-# The script works best (i.e. it is tested) if run within a docker container
-# started from the storm2/ngx-voms-build image.
-
-#geninfo --base-directory ${HOME}/openresty-1.13.6.1/build/nginx-1.13.6/objs/addon/src/ --output-filename coverage.info ${HOME}/openresty-1.13.6.1/build/nginx-1.13.6/objs/addon/src/
-geninfo --output-filename /tmp/coverage.info ${HOME}/openresty-1.13.6.1/build/nginx-1.13.6/objs/addon/src/
-genhtml --prefix ${HOME}/openresty-1.13.6.1/build/nginx-1.13.6/objs/addon/src/ --ignore-errors source --demangle-cpp /tmp/coverage.info \
-  --legend --title "coverage ngix" --output-directory=/tmp/coverage-report
-
-exit_status=$?
-if [ ! $exit_status -eq 0 ]; then
-   echo "check output"
-fi
-echo $exit_status
-

docker/Dockerfile

-FROM storm2/base:latest
-
-RUN sudo yum -y install voms zlib pcre readline gettext && \
-      sudo yum clean all && rm -rf /var/cache/yum && \
-      mkdir -p /etc/nginx/conf.d && \
-      mkdir -p /home/build/local && \
-      chown -R build:build /etc/nginx/conf.d /home/build/local
-
-USER build
-ADD openresty.tar.gz /home/build/local
-
-RUN ls -lR /home/build && sudo chown -R build:build /home/build
-
-RUN \
-      touch /home/build/local/openresty/nginx/logs/access.log && \
-      touch /home/build/local/openresty/nginx/logs/error.log && \
-      ln -sf /dev/stdout /home/build/local/openresty/nginx/logs/access.log && \
-      ln -sf /dev/stderr /home/build/local/openresty/nginx/logs/error.log
-
-COPY assets/nginx.conf /home/build/local/openresty/nginx/conf/nginx.conf
-COPY assets/srm.conf /etc/nginx/conf.d/
-
-USER root
-
-# Embed TINI since compose v3 syntax do not support the init
-# option to run docker --init
-#
-ENV TINI_VERSION v0.18.0
-ADD https://github.com/krallin/tini/releases/download/${TINI_VERSION}/tini /tini
-RUN chmod +x /tini
-ENTRYPOINT ["/tini", "--"]
-
-CMD ["/home/build/local/openresty/bin/openresty", "-g", "daemon off;"]

docker/README.md

-This folder contains a Dockerfile to run an instance of Openresty/NGINX
-compiled and linked against the ngx_voms_http_module.
-
-For more details see the [Dockerfile](./Dockerfile)
-
-The default configuration for NGINX is provided in [this conf file](
-./assets/nginx.conf). 
-
-A configuration for the `/srm` endpoint useful for the storm docker compose
-file is provided in [this conf file](./assets/srm.conf).

docker/assets/nginx.conf

-user build;
-worker_processes  1;
-
-env OPENSSL_ALLOW_PROXY_CERTS=1;
-env X509_VOMS_DIR=/vomsdir;
-
-error_log logs/error.log  warn;
-
-events {
-  worker_connections 1024;
-}
-
-http {
-
-    include       mime.types;
-    default_type  application/octet-stream;
-
-    log_format storm '$time_iso8601 [$request_id] $remote_addr - $remote_user "$request" <$upstream_response_time> '
-                    '$ssl_protocol/$ssl_cipher '
-                    '"$ssl_client_s_dn" '
-                    '[$voms_fqans] '
-                    '$status $body_bytes_sent "$http_referer" '
-                    '"$http_user_agent" "$http_x_forwarded_for"';
-
-    access_log logs/access.log  storm;
-
-    sendfile        on;
-    #tcp_nopush     on;
-
-    keepalive_timeout  65;
-
-    #gzip  on;
-
-    include /etc/nginx/conf.d/*.conf;
-}

docker/assets/srm.conf

-server {
-
-  error_log logs/error.log debug;
-  access_log logs/access.log storm;
-
-  listen 443 ssl;
-  server_name storm.example;
-
-  ssl on;
-  ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
-
-  ssl_certificate      /certs/cert.pem;
-  ssl_certificate_key  /certs/key.pem;
-  ssl_client_certificate  /etc/pki/tls/certs/ca-bundle.crt;
-
-  ssl_verify_client optional;
-  ssl_verify_depth 100;
-  ssl_session_cache shared:SSL:10m;
-  ssl_session_timeout 10m;
-
-  location /srm {
-
-    proxy_pass              http://fe:8080;
-
-    proxy_set_header        X-Real-IP $remote_addr;
-    proxy_set_header        X-Forwarded-For $proxy_add_x_forwarded_for;
-    proxy_set_header        X-Forwarded-Proto https;
-    proxy_set_header        Host $http_host;
-
-    # Simple tracing via request_id
-    proxy_set_header        X-Request-Id $request_id;
-
-    # VOMS headers
-    proxy_set_header        x-ssl_client_ee_s_dn $ssl_client_ee_s_dn;
-    proxy_set_header        x-ssl_client_ee_i_dn $ssl_client_ee_i_dn;
-    proxy_set_header        x-voms_fqans $voms_fqans;
-    proxy_set_header        x-voms_user $voms_user;
-    proxy_set_header        x-voms_user_ca $voms_user_ca;
-    proxy_set_header        x-voms_vo $voms_vo;
-    proxy_set_header        x-voms_not_before $voms_not_before;
-    proxy_set_header        x-voms_not_after $voms_not_after;
-    proxy_set_header        x-voms_generic_attributes $voms_generic_attributes;
-    proxy_set_header        x-voms_serial $voms_serial;
-  }
-}