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documentazione_3di_riservata:manuali_sysadmin:cas_installazione

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CAS STANDALONE versione 5

Pacchetti che servono:

  1. Tomcat8
  2. JDK8
  3. CAS Overlay Template

1.) Prima di procedere con tutte le configurazioni si deve generare una chiave per il server CAS.

Eseguire il seguente comando per generare la chiave:

keytool -keystore /opt/jdk1.8.0_101/jre/lib/security/cacerts -genkey -alias cas -keyalg RSA

Importante inserire nel nome e cognome il nome del server(hostname) oppure localhost

2.) Attivare SSL su tomcat. Modifica server.xml: 

 <Connector port="8443" protocol="HTTP/1.1" SSLEnabled="true"
              maxThreads="150" scheme="https" secure="true"
              clientAuth="false" sslProtocol="TLS"
              keystoreFile="/opt/jdk1.8.0_101/jre/lib/security/thekeystore"
              keystorePass="changeit"
              truststoreFile="/opt/jdk1.8.0_101/jre/lib/security/cacerts"  /> 
 
 

3.) Installazione CAS Overlay Template

run build.sh package

  • Nella directory cas-overlay-master/target si trova il war file per il tomcat.
  • In /etc/cas/config/users.properties modifica in casuser=notused,ROLE_ADMIN,enabled nel caso si voglia usera l'utente casuser
  • Modifica il /etc/cas/config/cas.properties o /cas/WEB-INF/classes/application.properties:
 # CAS Server Context Configuration 
 
cas.server.name=https://localhost:8443
cas.server.prefix=https://localhost:8443/cas
 
cas.host.name=localhost
server.context-path=/cas
server.port=8443
 
server.ssl.key-store=file:/opt/jdk1.8.0_101/jre/lib/security/thekeystore
server.ssl.key-store-password=changeit
server.ssl.key-password=changeit
 
 
management.contextPath=/status
management.security.enabled=true
management.security.roles=ACTUATOR,ADMIN,ROLE_ADMIN
management.security.sessions=if_required
 
cas.adminPagesSecurity.ip=127\.0\.0\.1
logging.config=file:/etc/cas/config/log4j2.xml
 
cas.serviceRegistry.watcherEnabled=true
cas.serviceRegistry.repeatInterval=120000
cas.serviceRegistry.startDelay=15000
cas.serviceRegistry.initFromJson=true
cas.serviceRegistry.config.location=file:/etc/cas/services
 
#cas.authn.accept.users=casuser::Mellon
cas.authn.accept.users=
#logging.level.org.apereo=DEBUG
 
cas.authn.file.separator=::
cas.authn.file.filename=file:///home/utente/users.txt 
cas.serviceRegistry.initFromJson=true
  • Per autentificare tramite una lista file TXT, si deve mettere la dependency nel file pom.xml.
  • Scaricare nel cas/WEB-INF/lib il jar cas-server-support-generic-5.2.0-RC4.jar dal maven repository. https://mvnrepository.com/
  • Ricorda di copiare il codice della dependecy come suggerito nel sito maven
<dependency>
    <groupId>org.apereo.cas</groupId>
    <artifactId>cas-server-support-generic</artifactId>
    <version>5.2.0-RC4</version>
    <scope>test</scope>
</dependency>
  • Aggiungere nel webapps/cas/META-INF/maven/org.apereo.cas/cas-overlay/pom.xml
<dependency>
        <groupId>org.apereo.cas</groupId>
        <artifactId>cas-server-support-json-service-registry</artifactId>
        <version>${cas.version}</version>
    </dependency>
  • Crea file json in /cas/WEB-INF/classes/services con il nome allservices-101.json con il contenuto
{
  "@class" : "org.apereo.cas.services.RegexRegisteredService",
  "serviceId" : "^(http|https)://.*",
  "name" : "allservices",
  "id" : 101,
  "accessStrategy" : {
    "@class" : "org.apereo.cas.services.DefaultRegisteredServiceAccessStrategy",
    "enabled" : true,
    "ssoEnabled" : true
  }
}

Attenzione! Il nome del file deve essere name-id.json come specificato nello script.

CAS su DB MONGO versione 6.0.5

Prerequisiti
  • MongoDB
  • Tomcat8
  • openjdk11
Compilazione

Si parte dal progeto cas overlay template https://github.com/apereo/cas-overlay-template

Bisogna aggiungere le dipendenze di gradle nel file build.gradle

build.grandle
...
dependencies {
    compile "org.apereo.cas:cas-server-webapp${project.appServer}:${casServerVersion}"
    compile "org.apereo.cas:cas-server-support-mongo:${casServerVersion}"
    compile "org.apereo.cas:cas-server-support-mongo-ticket-registry:${casServerVersion}"
    compile "org.apereo.cas:cas-server-support-events-mongo:${casServerVersion}"
    compile "org.apereo.cas:cas-server-support-json-service-registry:${casServerVersion}"
    // compile "org.apereo.cas:cas-server-support-mongo-service-registry:${casServerVersion}"
    // Other CAS dependencies/modules may be listed here...
 
}
...

Compilare con 

./gradlew clean build

All'interno della cartella build/libs/ verrà prodotto il cas.war da utilizzare.

Configurazione

Copiare le configurazioni base con 

./gradlew copyCasConfiguration

Editare i file in /etc/cas/config

cas.properties
cas.server.name=https://localhost:8443
cas.server.prefix=${cas.server.name}/cas
 
logging.config: file:/etc/cas/config/log4j2.xml
 
 
# Lasciare la seguente property vuota per avere l autenticazione su mongo
cas.authn.accept.users=
 
 
 cas.serviceRegistry.watcherEnabled=true
 cas.serviceRegistry.schedule.repeatInterval=120000
 cas.serviceRegistry.schedule.startDelay=15000
# Auto-initialize the registry from default JSON service definitions
 cas.serviceRegistry.initFromJson=true
# cas.serviceRegistry.managementType=DEFAULT|DOMAIN
#cas.serviceRegistry.json.location=classpath:/services
cas.serviceRegistry.json.location=file:/etc/cas/services
 
###########################################################
#### MONGO PASSWORD ENCODING - encoding delle password ####
###########################################################
cas.authn.mongo.passwordEncoder.type=BCRYPT
# cas.authn.mongo.passwordEncoder.characterEncoding=
# cas.authn.mongo.passwordEncoder.encodingAlgorithm=
# cas.authn.mongo.passwordEncoder.secret=
cas.authn.mongo.passwordEncoder.strength=10
##############################################################
#### MONGO USER STRUCTURE - mapping struttura dati utente ####
##############################################################
cas.authn.mongo.attributes=first_name,last_name
cas.authn.mongo.usernameAttribute=username
cas.authn.mongo.passwordAttribute=password
# cas.authn.mongo.principalIdAttribute=
# cas.authn.mongo.name=
##################################################################
#### MONGO AUTHN - connessione a mongo per autenticazione cas ####
##################################################################
# cas.authn.mongo.host=localhost
cas.authn.mongo.clientUri=mongodb://localhost:27017/cas?safe=true&w=1
# cas.authn.mongo.idleTimeout=30000
# cas.authn.mongo.port=27017
# cas.authn.mongo.dropCollection=false
# cas.authn.mongo.socketKeepAlive=false
# cas.authn.mongo.password=
# Depending on the feature at hand, CAS may decide to dynamically create its own collections and ignore this setting.
cas.authn.mongo.collection=users
cas.authn.mongo.databaseName=cas
# cas.authn.mongo.timeout=5000
# cas.authn.mongo.userId=
# cas.authn.mongo.writeConcern=NORMAL
# cas.authn.mongo.authenticationDatabaseName=
# cas.authn.mongo.replicaSet=
# cas.authn.mongo.sslEnabled=false
# cas.authn.mongo.conns.lifetime=60000
# cas.authn.mongo.conns.perHost=10
##################################################
### MONGO TICKETIING - salvataggio ticketing  ####
##################################################
# cas.ticket.registry.mongo.host=localhost
cas.ticket.registry.mongo.clientUri=mongodb://localhost:27017/cas?safe=true&w=1
# cas.ticket.registry.mongo.idleTimeout=30000
# cas.ticket.registry.mongo.port=27017
# cas.ticket.registry.mongo.dropCollection=false
# cas.ticket.registry.mongo.socketKeepAlive=false
# cas.ticket.registry.mongo.password=
# Depending on the feature at hand, CAS may decide to dynamically create its own collections and ignore this setting.
# se si decommenta questa SI SPACCA
# perchè tickets estende direttamente BaseMongoDbProperties e non SingleCollectionMongoDbProperties
# cas.ticket.registry.mongo.collection=cas-tickets
cas.ticket.registry.mongo.databaseName=cas
# cas.ticket.registry.mongo.timeout=5000
# cas.ticket.registry.mongo.userId=
# cas.ticket.registry.mongo.writeConcern=NORMAL
# cas.ticket.registry.mongo.authenticationDatabaseName=
# cas.ticket.registry.mongo.replicaSet=
# cas.ticket.registry.mongo.sslEnabled=false
# cas.ticket.registry.mongo.conns.lifetime=60000
# cas.ticket.registry.mongo.conns.perHost=10
##############################################
#### MONGO AUDIT - auditing degli accessi ####
##############################################
# cas.events.mongo.host=localhost
cas.events.mongo.clientUri=mongodb://localhost:27017/cas?safe=true&w=1
# cas.events.mongo.idleTimeout=30000
# cas.events.mongo.port=27017
# cas.events.mongo.dropCollection=false
# cas.events.mongo.socketKeepAlive=false
# cas.events.mongo.password=
# Depending on the feature at hand, CAS may decide to dynamically create its own collections and ignore this setting.
cas.events.mongo.collection=audits
cas.events.mongo.databaseName=cas
# cas.events.mongo.timeout=5000
# cas.events.mongo.userId=
# cas.events.mongo.writeConcern=NORMAL
# cas.events.mongo.authenticationDatabaseName=
# cas.events.mongo.replicaSet=
# cas.events.mongo.sslEnabled=false
# cas.events.mongo.conns.lifetime=60000
# cas.events.mongo.conns.perHost=10
###############################################################################
#### MONGO SERVICE REGISTRY - persistenza delle configurazioni dei service ####
###############################################################################
# cas.serviceRegistry.mongo.host=localhost
#cas.serviceRegistry.mongo.clientUri=mongodb://localhost:27017/cas?safe=true&w=1
# cas.serviceRegistry.mongo.idleTimeout=30000
# cas.serviceRegistry.mongo.port=27017
# cas.serviceRegistry.mongo.dropCollection=false
# cas.serviceRegistry.mongo.socketKeepAlive=false
# cas.serviceRegistry.mongo.password=
# Depending on the feature at hand, CAS may decide to dynamically create its own collections and ignore this setting.
#cas.serviceRegistry.mongo.collection=services
#cas.serviceRegistry.mongo.databaseName=cas
# cas.serviceRegistry.mongo.timeout=500
# cas.serviceRegistry.mongo.userId=
# cas.serviceRegistry.mongo.writeConcern=NORMAL
# cas.serviceRegistry.mongo.authenticationDatabaseName=
# cas.serviceRegistry.mongo.replicaSet=
# cas.serviceRegistry.mongo.sslEnabled=false
# cas.serviceRegistry.mongo.conns.lifetime=60000
# cas.serviceRegistry.mongo.conns.perHost=10
 
cas.logout.followServiceRedirects=true

In log4j2.xml modificare solo la baseDir 

...
<Property name="baseDir">/opt/tomcat8/logs</Property>
...

Creare una cartella services in /etc/cas/ creare i file per i servizi come da esempio:

CollaudoEc-10000001.json
{
  "@class" : "org.apereo.cas.services.RegexRegisteredService",
  "serviceId" : "^(http|https)://collaudo-ibc-ec.xdams.org.*",
  "name" : "CollaudoEc",
  "theme" : "ec",
  "id" : 10000001,
  "description" : "Autenticazione per EC/xDams di Collaudo",
  "evaluationOrder" : 1
}

Il nome del file deve fare match con il name e l'id all'interno del json

Volendo si può usare un template generico per fare sempre match

allservices-101.json
{
  "@class" : "org.apereo.cas.services.RegexRegisteredService",
  "serviceId" : "^(http|https)://.*",
  "name" : "allservices",
  "id" : 101,
  "accessStrategy" : {
    "@class" : "org.apereo.cas.services.DefaultRegisteredServiceAccessStrategy",
    "enabled" : true,
    "ssoEnabled" : true
  }
}

Per personalizzare i temi bisogna creare un file di properties in …/webapps/cas/WEB-INF/classes/ con il nome [theme].properties

ec.properties
cas.standard.css.file=/themes/ec/css/cas.css
cas.javascript.file=/themes/ec/js/cas.js

All'iterno della cartella /opt/tomcat8/webapps/cas/WEB-INF/classes/static/themes/ copiare la cartella apereo con il nome del tema nb: deve fare match con il file properties e alla fine il risultato sarà: 

total 8
drwxr-x--- 5 cas cas 4096 Oct 29 15:45 apereo
drwxr-x--- 5 cas cas 4096 Oct 29 15:45 ec
/data/attic/documentazione_3di_riservata/manuali_sysadmin/cas_installazione.1572428369.txt.gz · Ultima modifica: 2019/10/30 10:39 da mpascale