Hola Sergio, estamos instalando Huarpe, seguimos los pasos tal como indica la documentación oficial, lo estamos haciendo sobre la distribución Debian 9.3, despues que hacemos la sincronización de la aplicación como indica en el último paso, intentamos ingresar a la url de huarpe, como indicamos en la configuración, y ocurre lo siguiente, pego la información de depuración que habilite en la configuración de simplesamlphp :
arai:/var/www/html/arai-usuarios/logs# cat simplesamlphp.log
Dec 19 16:35:27 simplesamlphp INFO [c6454c7746] SAML2.0 - IdP.SSOService: Accessing SAML 2.0 IdP endpoint SSOService
Dec 19 16:35:27 simplesamlphp DEBUG [c6454c7746] Received message:
Dec 19 16:35:27 simplesamlphp DEBUG [c6454c7746] <samlp:AuthnRequest xmlns:samlp="urn:oasis:names:tc:SAML:2.0:protocol" xmlns:saml="urn:oasis:names:tc:SAML:2.0:assertion" ID="ONELOGIN_01a0b7250fef1566cd16565daa11fb3687fa5b44" Version="2.0" IssueInstant="2017-12-19T19:18:05Z" Destination="https://url/idp/saml2/idp/SSOService.php" ProtocolBinding="urn:oasis:names:tc:SAML:2.0:bindings:HTTP-POST" AssertionConsumerServiceURL="https://url/app_dev.php/saml/acs">
Dec 19 16:35:27 simplesamlphp DEBUG [c6454c7746] <saml:Issuer>https://url/app_dev.php/saml/metadata</saml:Issuer>
Dec 19 16:35:27 simplesamlphp DEBUG [c6454c7746] <samlp:NameIDPolicy Format="urn:oasis:names:tc:SAML:1.1:nameid-format:unspecified" AllowCreate="true"/>
Dec 19 16:35:27 simplesamlphp DEBUG [c6454c7746] <samlp:RequestedAuthnContext Comparison="exact">
Dec 19 16:35:27 simplesamlphp DEBUG [c6454c7746] <saml:AuthnContextClassRef>urn:oasis:names:tc:SAML:2.0:ac:classes:PasswordProtectedTransport</saml:AuthnContextClassRef>
Dec 19 16:35:27 simplesamlphp DEBUG [c6454c7746] </samlp:RequestedAuthnContext>
Dec 19 16:35:27 simplesamlphp DEBUG [c6454c7746] </samlp:AuthnRequest>
Dec 19 16:35:27 simplesamlphp ERROR [c6454c7746] SimpleSAML_Error_MetadataNotFound: METADATANOTFOUND('%ENTITYID%' => '\'https://url/app_dev.php/saml/metadata\'')
Dec 19 16:35:27 simplesamlphp ERROR [c6454c7746] Backtrace:
Dec 19 16:35:27 simplesamlphp ERROR [c6454c7746] 3 /var/www/html/arai-usuarios/vendor/simplesamlphp/simplesamlphp/lib/SimpleSAML/Metadata/MetaDataStorageHandler.php:305 (SimpleSAML_Metadata_MetaDataStorageHandler::getMetaData)
Dec 19 16:35:27 simplesamlphp ERROR [c6454c7746] 2 /var/www/html/arai-usuarios/vendor/simplesamlphp/simplesamlphp/lib/SimpleSAML/Metadata/MetaDataStorageHandler.php:325 (SimpleSAML_Metadata_MetaDataStorageHandler::getMetaDataConfig)
Dec 19 16:35:27 simplesamlphp ERROR [c6454c7746] 1 /var/www/html/arai-usuarios/vendor/simplesamlphp/simplesamlphp/modules/saml/lib/IdP/SAML2.php:303 (sspmod_saml_IdP_SAML2::receiveAuthnRequest)
Dec 19 16:35:27 simplesamlphp ERROR [c6454c7746] 0 /var/www/html/arai-usuarios/vendor/simplesamlphp/simplesamlphp/www/saml2/idp/SSOService.php:19 (N/A)
Dec 19 16:35:27 simplesamlphp ERROR [c6454c7746] Error report with id c9009934 generated.
Dec 19 16:35:27 simplesamlphp DEBUG [c6454c7746] Template: Reading [/var/www/html/arai-usuarios/vendor/simplesamlphp/simplesamlphp/modules/arai/dictionaries/arai]
Dec 19 16:35:27 simplesamlphp DEBUG [c6454c7746] Template: Reading [/var/www/html/arai-usuarios/vendor/simplesamlphp/simplesamlphp/dictionaries/errors]
Dec 19 16:35:44 simplesamlphp DEBUG [c6454c7746] Session: 'admin' not valid because we are not authenticated.
Dec 19 16:35:44 simplesamlphp DEBUG [c6454c7746] Session: 'login-admin' not valid because we are not authenticated.
Dec 19 16:35:44 simplesamlphp DEBUG [c6454c7746] Saved state: '_7037c5aa31c6efa329f454ae0e71bf463b6b097ec6:https://idp.arai-usuarios.uncaus.edu.ar/idp/module.php/core/as_login.php?AuthId=admin&ReturnTo=https%3A%2F%2Fidp.arai-usuarios.uncaus.edu.ar%2Fidp%2Fsaml2%2Fidp%2Fmetadata.php'
Dec 19 16:35:44 simplesamlphp DEBUG [c6454c7746] Template: Reading [/var/www/html/arai-usuarios/vendor/simplesamlphp/simplesamlphp/dictionaries/login]
Dec 19 16:35:44 simplesamlphp DEBUG [c6454c7746] Loading state: '_7037c5aa31c6efa329f454ae0e71bf463b6b097ec6:https://idp.arai-usuarios.uncaus.edu.ar/idp/module.php/core/as_login.php?AuthId=admin&ReturnTo=https%3A%2F%2Fidp.arai-usuarios.uncaus.edu.ar%2Fidp%2Fsaml2%2Fidp%2Fmetadata.php'
Es un recorte, pero en las primeras lineas se ve el error que desencadena el resto. Otro dato que no es menor lo comento, cuando ingreso a la url de huarpe me redirecciona a la siguiente dirección:
https://url/idp/saml2/idp/SSOService.php?SAMLRequest=fVNNj5swEL3nV0TcEwKkoVgJUpr0I1KaoJDtoZfVrBkaS2C7ttnN%2Fvsaw3az1RZfbMbz3rw3HpYa6kqSdWMu%2FIS%2FG9RmNLbrWldcE3e58hrFiQDNNOFQoyaGknz9fU%2FC6YxIJYygovL%2BgQ2jQGtUhgnewXbblXc8fN4fv%2B4O9%2BEsXsRxFMDDrEiSCEKgOP8YxRgmyRyj%2BWIxjyMsyw76A5W2PCvP0nqjjk3rBndcG%2BDGxmdBPAnCSZCcw4B8CEkQ%2FOygW2uWcTAOfjFGauL7jap8Vki%2F9RC6U54fc1SPjOJUXmQHzXrXnxgvGP81bPahS9Lk2%2FmcTbJjfu5I1i9N2AiumxpVX%2BbutH%2BrB6S8L%2FCxLe90%2BUC1lzqOZftNnGOVDmJqNFCAgaV%2FC3klkeRgle%2B2magYfXbxdn0Rqgbzf4PBNHARVkxKl0oariVSVjIsvL8066oSTxuFYHDlGdWgN%2FbfFO%2BHDws3irYjBq9mvBG1BMV0%2B0J4BWp626%2FWb9M3lZ2rE5bp4OhRQts8G87s9iRU0b4mUlv7rMCKF8r0TXqXvFPtD8hORy%2FXt%2F9V%2Bgc%3D&RelayState=https%3A%2F%2Fhuarpe.uncaus.edu.ar%2Fsaml%2Flogin
Gracias por tu tiempo.
Saludos.