Table of Contents generated with DocToc
- SimpleSAMLphp
- Ports Matter - Use a Proxy
- Environmental variables
- Build Image
- Using real TLS certificates
This image is pre-configured with Apache 2.4, php 7.4 and SSP. The behavior of the image can be controlled with
- environmental variables
- mounting custom configuration and certificates
- enabling SSP modules at run time
- installing composer modules at run time
These run time configurations options are useful for experimenting and
development. However if you want to distribute a specific
preconfigured image then you should build on top of this image and
perform these customizations in your Dockerfile
SSP is installed into the /var/simplesamlphp and Apache aliases the
path /simplesaml to the SSP's public folder. You can adjust the
Apache mapping with SSP_APACHE_ALIAS environmental variable. The
default document root is /var/www
A number of php extensions are installed by default to simplify integrating the image with ldap and databases.
Port information is important in SAML metadata. If the metadata says your service is on port 443 then your docker container won't work correctly if its running on port 47651. We recommend using jwilder/nginx-proxy image simplifies your life. The proxy listens on port 443 and routes traffice to the appropriate SSP image.
You can run SSP
docker run --name ssp-default -p 443:443 cirrusid/simplesamlphp:v2.2.2
then navigate to https://localhost/simplesaml/ (and accept the certificate) and you can see the welcome page and navigate to some of the menus. Functionality is limited since no admin password has been set.
You can view the logs
docker logs ssp-default
A wildcard TLS certificate is included for testing. You may use your own (see the APACHE_CERT_NAME env variable and ssp-apache.conf)
or you can test with the on included.
docker run --name ssp-default -p 443:443 cirrusid/simplesamlphp:v2.2.2
And visit https://example.local.stack-dev.cirrusidentity.com/simplesaml/ to access your localhost with a valid certificate. You may use any subdomain, not just example, for your testing. Certificates expire every 90 days so you'll need to periodically pull new images.
A number of settings can be set with env variables to allow you to explore functionality.
This example will set the admin account secret and run SSP under /altinstall/
docker run --name ssp-env \
-e SSP_ADMIN_PASSWORD=secret1 \
-e SSP_SECRET_SALT=mysalt \
-e SSP_APACHE_ALIAS=altinstall/ \
-p 443:443 cirrusid/simplesamlphp:v2.2.2The new UI does not take you from the root index directly to the front page, so visit the front page
directly: https://localhost/altinstall/module.php/core/frontpage_welcome.php You should be able to
click the Configuration menu, and then PHP Info and authenticate as an admin.
For testing purposes you can install composer dependencies at container start. Some modules also need to be enabled.
docker run --name ssp-composer \
-e SSP_ADMIN_PASSWORD=secret1 \
-e COMPOSER_REQUIRE="simplesamlphp/simplesamlphp-module-modinfo simplesamlphp/simplesamlphp-module-fticks" \
-e SSP_ENABLED_MODULES="modinfo metarefresh fticks" \
-p 443:443 cirrusid/simplesamlphp:v2.2.2note: modinfo is not compatible with SSP 2. This example has
been left in to show how to require modules, but modinfo will not work
This should install and enable modinfo which will tell you the
status of installed modules. Visit
https://localhost/simplesaml/module.php/modinfo/ to see the
list. You should see fticks and metarefresh are enabled.
For a production image you want your dependencies built into your
image, not installed at runtime. You can set these same variables in
your Dockerfile and call the module-setup.sh to install. You can
of course install dependencies anyway you see fit.
The image allows you to mount a config-overide.php into the config to change certain configuration settings,
including enabling idp mode and allowing exampleauth
In this example we mount a an override of some configuration options, and the file needed to configure an IdP.
docker run --name ssp-idp \
--mount type=bind,source="$(pwd)/samples/cert",target=/var/simplesamlphp/cert,readonly \
--mount type=bind,source="$(pwd)/samples/idp/authsources.php",target=/var/simplesamlphp/config/authsources.php,readonly \
--mount type=bind,source="$(pwd)/samples/idp/config-override.php",target=/var/simplesamlphp/config/config-override.php,readonly \
--mount type=bind,source="$(pwd)/samples/idp/saml20-idp-hosted.php",target=/var/simplesamlphp/metadata/saml20-idp-hosted.php,readonly \
--mount type=bind,source="$(pwd)/samples/idp/saml20-sp-remote.php",target=/var/simplesamlphp/metadata/saml20-sp-remote.php,readonly \
-e SSP_ADMIN_PASSWORD=secret1 \
-e SSP_SECRET_SALT=mysalt \
-e SSP_APACHE_ALIAS=sample-idp/ \
-p 443:443 cirrusid/simplesamlphp:v2.2.2
You can view the IdP metadata
and test authentication. To
access the test authetnication page you must first auth as admin/secret1 and then the credentials
are username student and password studentpass. See the authsources.php for how this is configured.
You can view the admin page
Test metadata conversion with metadata conversion admin web tool.
After running the below docker command,
You can view the metadata converter page
(password secret1)
docker run --name ssp-metadata-convert \
--mount type=bind,source="$(pwd)/samples/idp/authsources.php",target=/var/simplesamlphp/config/authsources.php,readonly \
-e SSP_ADMIN_PASSWORD=secret1 \
-p 443:443 cirrusid/simplesamlphp:v2.2.2
Metadata refresh module provides a CLI tool that allows you to convert an xml file into SSP's internal format. If nothing is outputted then the xml file may be invalid. Unfortunately the script is not informative as to the cause of the error.
docker run \
-e SSP_ENABLED_MODULES="metarefresh" \
-e COMPOSER_REQUIRE="simplesamlphp/simplesamlphp-module-metarefresh" \
--mount type=bind,source=$(pwd)/samples/metadata,target=/tmp/metadata,readonly \
--entrypoint /var/simplesamlphp/modules/metarefresh/bin/metarefresh.php \
cirrusid/simplesamlphp:v2.2.2 -s /tmp/metadata/example.xml
If you are developing a module locally you can mount it into an SSP container to test it. If your module has
additional dependencies the you can't just mount it into the container because your dependencies won't be installed.
Instead mount it into the staging-modules folder and the container can add it as a composer dependency and install
it for you.
# pretend you are developing this module
git clone https://github.com/simplesamlphp/simplesamlphp-module-modinfo
cd simplesamlphp-module-modinfo/
# Checkout a tag compatible with the SSP version.
git checkout v1.1.1
docker run --name ssp-staging \
--mount type=bind,source="$(pwd)",target=/var/simplesamlphp/staging-modules/modinfo,readonly \
-e STAGINGCOMPOSERREPOS=modinfo \
-e COMPOSER_REQUIRE="simplesamlphp/simplesamlphp-module-modinfo:v1.1.1" \
-e SSP_ADMIN_PASSWORD=secret1 \
-e SSP_SECRET_SALT=mysalt \
-e SSP_APACHE_ALIAS=sample-staging/ \
-p 443:443 cirrusid/simplesamlphp:v2.2.2
In the output, you should see a line like below, indicating the module was installed.
- Installing simplesamlphp/simplesamlphp-module-modinfo (v1.1.1): Symlinking from /var/simplesamlphp/staging-modules/modinfo
We mounted the module under development as a read only file system. This means we need to create a local enable
file in our writable file system. Let's make a few edits to the module to show how they are reflected into SSP.
$ touch enable
$ vim dictionaries/modinfo.definition.json
# Change `Available modules` to some other text, or edit the correct text for your languageNow visit https://localhost/sample-staging/module.php/core/frontpage_config.php and you should see you text change visible.
You may want to test a module against the master branch (or other git commit of SSP). Build a version of this image using that branch (search for SSP_COMPOSER_VERSION in this document).
In this example we test the latest SSP master branch, against a specifc commit of ADFS module
docker run --name ssp-master \
--mount type=bind,source="$(pwd)/samples/cert",target=/var/simplesamlphp/cert,readonly \
--mount type=bind,source="$(pwd)/samples/adfs/authsources.php",target=/var/simplesamlphp/config/authsources.php,readonly \
--mount type=bind,source="$(pwd)/samples/adfs/config-override.php",target=/var/simplesamlphp/config/config-override.php,readonly \
--mount type=bind,source="$(pwd)/samples/adfs/metadata/adfs-idp-hosted.php",target=/var/simplesamlphp/metadata/adfs-idp-hosted.php,readonly \
--mount type=bind,source="$(pwd)/samples/adfs/metadata/adfs-sp-remote.php",target=/var/simplesamlphp/metadata/adfs-sp-remote.php,readonly \
-e SSP_ENABLED_MODULES="adfs exampleauth" \
-e COMPOSER_REQUIRE="simplesamlphp/simplesamlphp-module-adfs:dev-master#617e92b37d0889dd623f62821ef1aac0f8431667" \
-e SSP_ADMIN_PASSWORD=secret1 \
-e SSP_SECRET_SALT=mysalt \
-p 443:443 cirrusid/simplesamlphp:v2.0.0:composer-dev-master
You can view ADFS metadata https://adfs-sample.local.stack-dev.cirrusidentity.com/simplesaml/module.php/adfs/metadata or authenticate using WS-FED https://adfs-sample.local.stack-dev.cirrusidentity.com/simplesaml/module.php/adfs/prp?wa=wsignin1.0&wtrealm=urn:federation:localhost&wctx=some-context
Some modules require additional apache configuration rules to function. In this example we install the casserver module.
The convention for CAS is to run at https://hostname/cas/login. The apache override file will create that mapping to
the path /simplesaml/module.php/casserver/login.php
docker run --name ssp-casserver \
-e SSP_ADMIN_PASSWORD=secret1 \
-e COMPOSER_REQUIRE="simplesamlphp/simplesamlphp-module-modinfo simplesamlphp/simplesamlphp-module-casserver" \
-e SSP_ENABLED_MODULES="modinfo casserver exampleauth" \
--mount type=bind,source="$(pwd)/samples/casserver/authsources.php",target=/var/simplesamlphp/config/authsources.php,readonly \
--mount type=bind,source="$(pwd)/samples/casserver/module_casserver.php",target=/var/simplesamlphp/config/module_casserver.php,readonly \
--mount type=bind,source="$(pwd)/samples/casserver/ssp-override.cf",target=/etc/apache2/sites-enabled/ssp-override.cf,readonly \
-p 443:443 cirrusid/simplesamlphp:v2.2.2Now perform a CAS authentication and you should authenticate and then be sent to 404 url with a ticket as a query parameter in the URL.
- COMPOSER_REQUIRE Any additional composer modules to install. This should be a space seperated list.
- SSP_ADMIN_PASSWORD The admin password. Defaults to '123' (same as regular SSP). For production you should use a hash or other authsource.
- SSP_APACHE_ALIAS The apache path to map to simplesamlphp. Defaults to '/simplesaml'
- SSP_ENABLE_IDP: Set to 'true' to enable an IdP. You'll still need to mount certs and configure an authsource.
- SSP_ENABLED_MODULES The SSP modules that should be enabled. Example: 'cron metarefresh' will enable cron and metarefresh modules
- APACHE_CERT_NAME The certificate name used for SSL. Apache expects to find
/etc/ssl/certs/${APACHE_CERT_NAME}.pemand/etc/ssl/private/${APACHE_CERT_NAME}.key - SSP_LOG_HANDLER The log handler to use. Defaults to
errorlog - SSP_LOG_LEVEL The log level to use. Must be numeric value. Default is
6(INFO)- 3: SimpleSAML_Logger::ERR No statistics, only errors
- 4: SimpleSAML_Logger::WARNING No statistics, only warnings/errors
- 5: SimpleSAML_Logger::NOTICE Statistics and errors
- 6: SimpleSAML_Logger::INFO Verbose logs
- 7: SimpleSAML_Logger::DEBUG Full debug logs - not recommended for production
- SSP_SECRET_SALT Set a secret salt
This will build an image called cirrusid/simplesamlphp and tag it. You must edit docker/Dockerfile to set the SSP version and SSP file hash to use
cd docker
SSP_IMAGE_TAG=v2.2.2
# Build a multi-arch image
docker buildx build --platform linux/amd64,linux/arm64 -t cirrusid/simplesamlphp:$SSP_IMAGE_TAG \
-f Dockerfile .
# Load one of those arch into Docker to test. e.g the previous build step doesn't make the image
# available without doing a load
docker buildx build --load --platform linux/arm64 -t cirrusid/simplesamlphp:$SSP_IMAGE_TAG .
# Push a multi-arch image (same as build command but with a push)
docker buildx build --push --platform linux/amd64,linux/arm64 -t cirrusid/simplesamlphp:$SSP_IMAGE_TAG \
-f Dockerfile .
docker buildx build --push --platform linux/amd64,linux/arm64 -t cirrusid/simplesamlphp:$SSP_IMAGE_TAG.$(date -u +"%Y%m%dT%H%M%S") \
-f Dockerfile .
If you are building the latest version of ssp, then you can tag it with latest to make certain things easier in the future.
docker buildx build --push --platform linux/amd64,linux/arm64 -t cirrusid/simplesamlphp:latest \
-f Dockerfile .
If you want to build from git commit then you can build using a composer to install SSP. This is useful to test
the latest version from git. It does require npm to be installed into the resulting image, doubling its size.
cd docker
SSP_COMPOSER_VERSION=dev-master
docker build -t cirrusid/simplesamlphp:composer-${SSP_COMPOSER_VERSION} \
--build-arg SSP_COMPOSER_VERSION=${SSP_COMPOSER_VERSION} \
-f Dockerfile .
docker tag cirrusid/simplesamlphp:composer-${SSP_COMPOSER_VERSION} cirrusid/simplesamlphp:composer-${SSP_COMPOSER_VERSION}.$(date -u +"%Y%m%dT%H%M%S")
You can see the images
docker images cirrusid/simplesamlphp
REPOSITORY TAG IMAGE ID CREATED SIZE
cirrusid/simplesamlphp composer-dev-master 4c26787e2f1e About a minute ago 1.13GB
cirrusid/simplesamlphp 1.19.1 9ed316f77cac 8 minutes ago 607MB
cirrusid/simplesamlphp 1.19.1.20210813T180530 27f0c093717c 2 weeks ago 562MB
cirrusid/simplesamlphp latest 27f0c093717c 2 weeks ago 562MB
TODO
The dns entry *.local.stack-dev.cirrusidentity.com resolves to your
localhost. Using this DNS name allows us to include a real TLS cert
and key in the docker image to ease testing things. An added benefit
is that you can work around restrictions in some software that limit
redirects to localhost.
You can use any subdomain of local.stack-dev.cirrusidentity.com in your testing.
This needs to be done every 90 days.
Form https://certbot-dns-route53.readthedocs.io/en/stable/
# Generate TLS cets
$ docker pull certbot/dns-route53
$ AWS_KEY=secretsecretsecret
$ docker run -it --rm --name certbot --platform linux/amd64 \
--env AWS_ACCESS_KEY_ID=AKIAYOX74EZ5CVNENIM7 \
--env AWS_SECRET_ACCESS_KEY=$AWS_KEY \
-v "$PWD/letsencrypt:/etc/letsencrypt" \
certbot/dns-route53 certonly -d '*.local.stack-dev.cirrusidentity.com' -m [email protected] --agree-tos --dns-route53
# Wait a while and certs should appear in letsencrypt/
# Copy the keys to the docker folder
cp letsencrypt/live/local.stack-dev.cirrusidentity.com/privkey.pem docker/tls/local-stack-dev.key
cp letsencrypt/live/local.stack-dev.cirrusidentity.com/fullchain.pem docker/tls/local-stack-dev.pem
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