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<?php |
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class RealMeService extends Object |
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{ |
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/** |
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* Current RealMe supported environments. |
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*/ |
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const ENV_MTS = 'mts'; |
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const ENV_ITE = 'ite'; |
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const ENV_PROD = 'prod'; |
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/** |
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* the valid AuthN context values for each supported RealMe environment. |
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*/ |
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const AUTHN_LOW_STRENGTH = 'urn:nzl:govt:ict:stds:authn:deployment:GLS:SAML:2.0:ac:classes:LowStrength'; |
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const AUTHN_MOD_STRENTH = 'urn:nzl:govt:ict:stds:authn:deployment:GLS:SAML:2.0:ac:classes:ModStrength'; |
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const AUTHN_MOD_MOBILE_SMS = 'urn:nzl:govt:ict:stds:authn:deployment:GLS:SAML:2.0:ac:classes:ModStrength::OTP:Mobile:SMS'; |
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const AUTHN_MOD_TOKEN_SID = 'urn:nzl:govt:ict:stds:authn:deployment:GLS:SAML:2.0:ac:classes:ModStrength::OTP:Token:SID'; |
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/** |
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* @var ArrayData|null User data returned by RealMe. Provided by {@link self::ensureLogin()}. |
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* |
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* Data within this ArrayData is as follows: |
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* - NameID: ArrayData Includes the UserFlt and associated formatting information |
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* - UserFlt: string RealMe pseudonymous username / identity |
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* - Attributes: ArrayData User attributes returned by RealMe |
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* - Expire: SS_Datetime The expiry date & time of this authentication session |
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* - SessionIndex: string Unique identifier used to identify a user with both IdP and SP for given user. |
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*/ |
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private static $user_data = null; |
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/** |
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* @config |
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* @var string The authentication source to use, which ultimately determines which RealMe environment is |
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* authenticated against. This should be set by Config, and generally be different per environment (e.g. developer |
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* environments would generally use 'realme-mts', UAT/staging sites might use 'realme-ite', and production sites |
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* would use 'realme-prod'. |
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*/ |
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private static $auth_source_name = 'realme-mts'; |
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/** |
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* @config |
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* @var string The base url path that is passed through to SimpleSAMLphp. This should be relative to the web root, |
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* and is passed through to SimpleSAMLphp's config.php for it to base all its URLs from. The default is |
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* 'vendor/madmatt/simplesamlphp/www/', which implies that '//your-site-url.com/vendor/madmatt/simplesamlphp/www/' |
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* is routed through to the SimpleSAMLphp `www` directory. |
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* @see RealMeSetupTask for more information on how this is configured |
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*/ |
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private static $simplesaml_base_url_path = 'vendor/madmatt/simplesamlphp/www/'; |
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/** |
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* @config |
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* @var string The complete password that will be passed to SimpleSAMLphp for admin logins to the SimpleSAMLphp web |
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* interface. If set to the default `null`, the @link self::findOrMakeSimpleSAMLPassword() will make a random |
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* password which won't be accessible again later. If this value is set via the Config API, then it should be in |
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* the format required by SimpleSAMLphp. To generate a password in this format, see the bin/pwgen.php file in the |
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* SimpleSAMLphp base directory. |
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* @see self::findOrMakeSimpleSAMLPassword() |
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*/ |
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private static $simplesaml_hashed_admin_password = null; |
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/** |
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* @config |
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* @var string A 32-byte salt that is used by SimpleSAMLphp when signing content. Stored in SimpleSAMLphp's config |
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* if required. |
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* @see self::generateSimpleSAMLSalt() |
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*/ |
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private static $simplesaml_secret_salt = null; |
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/** |
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* @config |
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* @var array The RealMe environments that can be used. If this is changed, then the RealMeSetupTask would need to |
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* be run again, and updated environment names would need to be put into the authsources.php and |
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* saml20-idp-remote.php files. |
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*/ |
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private static $allowed_realme_environments = array(self::ENV_MTS, self::ENV_ITE, self::ENV_PROD); |
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/** |
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* @config |
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* @var array Stores the entity ID value for each supported RealMe environment. This needs to be setup prior to |
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* running the `RealMeSetupTask` build task. For more information, see the module documentation. An entity ID takes |
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* the form of a URL, e.g. https://www.agency.govt.nz/privacy-realm-name/application-name |
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*/ |
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private static $entity_ids = array( |
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self::ENV_MTS => null, |
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self::ENV_ITE => null, |
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self::ENV_PROD => null |
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); |
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/** |
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* @config |
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* @var array Stores the AuthN context values for each supported RealMe environment. This needs to be setup prior to |
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* running the `RealMeSetupTask` build task. For more information, see the module documentation. An AuthN context |
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* can be one of the following: |
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* |
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* Username and password only: |
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* - urn:nzl:govt:ict:stds:authn:deployment:GLS:SAML:2.0:ac:classes:LowStrength |
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* |
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* Username, password, and any moderate strength second level of authenticator (RSA token, Google Auth, SMS) |
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* - urn:nzl:govt:ict:stds:authn:deployment:GLS:SAML:2.0:ac:classes:ModStrength |
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* |
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* The following two are less often used, and shouldn't be used unless there's a specific need. |
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* |
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* Username, password, and only SMS 2FA token |
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* - urn:nzl:govt:ict:stds:authn:deployment:GLS:SAML:2.0:ac:classes:ModStrength::OTP:Mobile:SMS |
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* |
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* Username, password, and only RSA 2FA token |
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* - urn:nzl:govt:ict:stds:authn:deployment:GLS:SAML:2.0:ac:classes:ModStrength::OTP:Token:SID |
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*/ |
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private static $authn_contexts = array( |
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self::ENV_MTS => null, |
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self::ENV_ITE => null, |
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self::ENV_PROD => null |
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); |
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/** |
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* @config $allowed_authn_context_list |
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* @var $allowed_authn_context_list array |
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* |
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* A list of the valid authn context values supported for realme. |
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*/ |
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private static $allowed_authn_context_list = array( |
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self::AUTHN_LOW_STRENGTH, |
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self::AUTHN_MOD_STRENTH, |
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self::AUTHN_MOD_MOBILE_SMS, |
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self::AUTHN_MOD_TOKEN_SID |
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); |
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/** |
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* @config |
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* @var array Stores the proxy_host values used when creating the back-channel SoapClient connection to the RealMe |
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* artifact resolution service. This can either be: |
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* - null (indicating no proxy is required), |
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* - a plain string (e.g. gateway.your-network.govt.nz), |
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* - the name of an environment variable that can be called (via getenv()) to retrieve the proxy URL from |
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* (e.g. env:http_proxy). In this case, it is assumed that a full URL would exist in this environment variable |
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* (e.g. tcp://gateway.your-network.govt.nz:8080) as it is intended to be used to mimic how curl handles HTTP |
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* proxy (if you specify the http_proxy env-var, curl will automatically parse it as a full URL and use that |
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* for resolving all requests by default. |
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*/ |
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private static $backchannel_proxy_hosts = array( |
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self::ENV_MTS => null, |
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self::ENV_ITE => null, |
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self::ENV_PROD => null |
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); |
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/** |
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* @config |
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* @var array Stores the proxy_port values used when creating the back-channel SoapClient connection to the RealMe |
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* artifact resolution service. |
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* |
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* See the definition for self::$backchannel_proxy_hosts for more information on the |
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* valid values. |
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*/ |
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private static $backchannel_proxy_ports = array( |
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self::ENV_MTS => null, |
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self::ENV_ITE => null, |
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self::ENV_PROD => null |
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); |
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/** |
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* @config |
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* @var array Domain names for metadata files. Used in @link RealMeSetupTask when outputting metadata XML |
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*/ |
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private static $metadata_assertion_service_domains = array( |
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self::ENV_MTS => null, |
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self::ENV_ITE => null, |
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self::ENV_PROD => null |
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); |
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/** |
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* @config |
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* @var string|null The organisation name to be used in metadata XML that is submitted to RealMe |
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*/ |
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private static $metadata_organisation_name = null; |
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/** |
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* @config |
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* @var string|null The organisation display name to be used in metadata XML that is submitted to RealMe |
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*/ |
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private static $metadata_organisation_display_name = null; |
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/** |
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* @config |
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* @var string|null The organisation URL to be used in metadata XML that is submitted to RealMe |
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*/ |
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private static $metadata_organisation_url = null; |
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/** |
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* @config |
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* @var string|null The support contact's company name to be used in metadata XML that is submitted to RealMe |
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*/ |
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private static $metadata_contact_support_company = null; |
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/** |
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* @config |
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* @var string|null The support contact's first name(s) to be used in metadata XML that is submitted to RealMe |
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*/ |
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private static $metadata_contact_support_firstnames = null; |
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/** |
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* @config |
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* @var string|null The support contact's surname to be used in metadata XML that is submitted to RealMe |
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*/ |
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private static $metadata_contact_support_surname = null; |
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/** |
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* @return bool true if the user is correctly authenticated, false if there was an error with login |
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* NB: If the user is not authenticated, they will be redirected to RealMe to login, so a boolean false return here |
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* indicates that there was a failure during the authentication process (perhaps a communication issue) |
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*/ |
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public function enforceLogin() |
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{ |
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$auth = new SimpleSAML_Auth_Simple($this->config()->auth_source_name); |
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$auth->requireAuth(array( |
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'ReturnTo' => '/Security/realme/acs', |
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'ErrorURL' => '/Security/realme/error' |
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)); |
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$loggedIn = false; |
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$authData = $this->getAuthData($auth); |
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if (is_null($authData)) { |
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// no-op, $loggedIn stays false and no data is written |
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} else { |
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$this->config()->user_data = $authData; |
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Session::set('RealMeSessionDataSerialized', serialize($authData)); |
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$loggedIn = true; |
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} |
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return $loggedIn; |
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} |
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/** |
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* Clear the RealMe credentials from Session, and also remove SimpleSAMLphp session information. |
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* @return void |
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*/ |
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public function clearLogin() |
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{ |
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Session::clear('RealMeSessionDataSerialized'); |
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$this->config()->__set('user_data', null); |
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$session = SimpleSAML_Session::getSessionFromRequest(); |
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if ($session instanceof SimpleSAML_Session) { |
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$session->doLogout($this->config()->auth_source_name); |
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} |
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} |
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/** |
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* Return the user data which was saved to session from the first RealMe auth. |
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* Note: Does not check authenticity or expiry of this data |
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* |
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* @return ArrayData |
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*/ |
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public function getUserData() |
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{ |
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if (is_null($this->config()->user_data)) { |
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$sessionData = Session::get('RealMeSessionDataSerialized'); |
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if (!is_null($sessionData) && unserialize($sessionData) !== false) { |
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$this->config()->user_data = unserialize($sessionData); |
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} |
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} |
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return $this->config()->user_data; |
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} |
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/** |
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* @param SimpleSAML_Auth_Simple $auth The authentication context as returned from RealMe |
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* @return ArrayData |
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*/ |
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private function getAuthData(SimpleSAML_Auth_Simple $auth) |
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{ |
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// returns null if the current auth is invalid or timed out. |
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$data = $auth->getAuthDataArray(); |
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$returnedData = null; |
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if ( |
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is_array($data) && |
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isset($data['saml:sp:IdP']) && |
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isset($data['saml:sp:NameID']) && |
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is_array($data['saml:sp:NameID']) && |
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isset($data['saml:sp:NameID']['Value']) && |
|
285
|
|
|
isset($data['Expire']) && |
|
286
|
|
|
isset($data['Attributes']) && |
|
287
|
|
|
isset($data['saml:sp:SessionIndex']) |
|
288
|
|
|
) { |
|
289
|
|
|
$returnedData = new ArrayData(array( |
|
290
|
|
|
'NameID' => new ArrayData($data['saml:sp:NameID']), |
|
291
|
|
|
'UserFlt' => $data['saml:sp:NameID']['Value'], |
|
292
|
|
|
'Attributes' => new ArrayData($data['Attributes']), |
|
293
|
|
|
'Expire' => $data['Expire'], |
|
294
|
|
|
'SessionIndex' => $data['saml:sp:SessionIndex'] |
|
295
|
|
|
)); |
|
296
|
|
|
} |
|
297
|
|
|
return $returnedData; |
|
298
|
|
|
} |
|
299
|
|
|
|
|
300
|
|
|
/** |
|
301
|
|
|
* @return string A BackURL as specified originally when accessing /Security/login, for use after authentication |
|
302
|
|
|
*/ |
|
303
|
|
|
public function getBackURL() |
|
|
|
|
|
|
304
|
|
|
{ |
|
305
|
|
|
if (!empty($_REQUEST['BackURL'])) { |
|
306
|
|
|
$url = $_REQUEST['BackURL']; |
|
307
|
|
|
} elseif (Session::get('BackURL')) { |
|
308
|
|
|
$url = Session::get('BackURL'); |
|
309
|
|
|
Session::clear('BackURL'); // Ensure we don't redirect back to the same error twice |
|
310
|
|
|
} |
|
311
|
|
|
|
|
312
|
|
|
if (isset($url) && Director::is_site_url($url)) { |
|
313
|
|
|
$url = Director::absoluteURL($url); |
|
314
|
|
|
} else { |
|
315
|
|
|
// Spoofing attack or no back URL set, redirect to homepage instead of spoofing url |
|
316
|
|
|
$url = Director::absoluteBaseURL(); |
|
317
|
|
|
} |
|
318
|
|
|
|
|
319
|
|
|
return $url; |
|
320
|
|
|
} |
|
321
|
|
|
|
|
322
|
|
|
/** |
|
323
|
|
|
* @return string|null Either the directory where SimpleSAMLphp configuration is stored, or null if undefined |
|
324
|
|
|
*/ |
|
325
|
|
|
public function getSimpleSamlConfigDir() |
|
326
|
|
|
{ |
|
327
|
|
|
return (defined('REALME_CONFIG_DIR') ? rtrim(REALME_CONFIG_DIR, '/') : null); |
|
328
|
|
|
} |
|
329
|
|
|
|
|
330
|
|
|
/** |
|
331
|
|
|
* @return string The path to SimpleSAMLphp's metadata. This will either be defined in config, or just '/metadata' |
|
332
|
|
|
*/ |
|
333
|
|
|
public function getSimpleSamlMetadataDir() |
|
334
|
|
|
{ |
|
335
|
|
|
return sprintf('%s/metadata', $this->getSimpleSamlConfigDir()); |
|
336
|
|
|
} |
|
337
|
|
|
|
|
338
|
|
|
/** |
|
339
|
|
|
* @return string Either the value for baseurlpath in SimpleSAML's config, or a default value if it's been unset |
|
340
|
|
|
*/ |
|
341
|
|
|
public function getSimpleSamlBaseUrlPath() |
|
342
|
|
|
{ |
|
343
|
|
|
if (strlen($this->config()->simplesaml_base_url_path) > 0) { |
|
344
|
|
|
return $this->config()->simplesaml_base_url_path; |
|
345
|
|
|
} else { |
|
346
|
|
|
return 'simplesaml/'; |
|
347
|
|
|
} |
|
348
|
|
|
} |
|
349
|
|
|
|
|
350
|
|
|
/** |
|
351
|
|
|
* @return string|null Either the directory where certificates are stored, or null if undefined |
|
352
|
|
|
*/ |
|
353
|
|
|
public function getCertDir() |
|
354
|
|
|
{ |
|
355
|
|
|
return (defined('REALME_CERT_DIR') ? REALME_CERT_DIR : null); |
|
356
|
|
|
} |
|
357
|
|
|
|
|
358
|
|
|
/** |
|
359
|
|
|
* @return string|null Either the directory where logging information is kept by SimpleSAMLphp, or null if undefined |
|
360
|
|
|
*/ |
|
361
|
|
|
public function getLoggingDir() |
|
362
|
|
|
{ |
|
363
|
|
|
return (defined('REALME_LOG_DIR') ? REALME_LOG_DIR : null); |
|
364
|
|
|
} |
|
365
|
|
|
|
|
366
|
|
|
/** |
|
367
|
|
|
* @return string|null Either the directory where temp files can be written by SimpleSAMLphp, or null if undefined |
|
368
|
|
|
*/ |
|
369
|
|
|
public function getTempDir() |
|
370
|
|
|
{ |
|
371
|
|
|
return (defined('REALME_TEMP_DIR') ? REALME_TEMP_DIR : null); |
|
372
|
|
|
} |
|
373
|
|
|
|
|
374
|
|
|
/** |
|
375
|
|
|
* This looks first to a Config variable that can be set in YML configuration, and falls back to generating a |
|
376
|
|
|
* salted SHA256-hashed password. To generate a password in this format, see the bin/pwgen.php file in the |
|
377
|
|
|
* SimpleSAMLphp vendor directory (normally vendor/madmatt/simplesamlphp/bin/pwgen.php). If setting a password |
|
378
|
|
|
* via Config, ensure it contains {SSHA256} at the start of the line. |
|
379
|
|
|
* |
|
380
|
|
|
* @return string|null The administrator password set for SimpleSAMLphp. If null, it means a strong hash couldn't be |
|
381
|
|
|
* created due to the code being deployed on an older machine, and a generated password will need to be set. |
|
382
|
|
|
*/ |
|
383
|
|
|
public function findOrMakeSimpleSAMLPassword() |
|
384
|
|
|
{ |
|
385
|
|
|
if (strlen($this->config()->simplesaml_hashed_admin_password) > 0) { |
|
386
|
|
|
$password = $this->config()->simplesaml_hashed_admin_password; |
|
387
|
|
|
|
|
388
|
|
|
if (strpos($password, '{SSHA256}') !== 0) { |
|
389
|
|
|
$password = null; // Ensure password is salted SHA256 |
|
390
|
|
|
} |
|
391
|
|
|
} else { |
|
392
|
|
|
$salt = openssl_random_pseudo_bytes(8, $strongSalt); // SHA256 needs 8 bytes |
|
393
|
|
|
$password = openssl_random_pseudo_bytes(32, $strongPassword); // Make a random 32-byte password |
|
394
|
|
|
|
|
395
|
|
|
if (!$strongSalt || !$strongPassword || !$salt || !$password) { |
|
|
|
|
|
|
396
|
|
|
$password = null; // Ensure the password is strong, return null if we can't guarantee a strong one |
|
397
|
|
|
} else { |
|
398
|
|
|
$hash = hash('sha256', $password.$salt, true); |
|
399
|
|
|
$password = sprintf('{SSHA256}%s', base64_encode($hash.$salt)); |
|
400
|
|
|
} |
|
401
|
|
|
} |
|
402
|
|
|
|
|
403
|
|
|
return $password; |
|
404
|
|
|
} |
|
405
|
|
|
|
|
406
|
|
|
/** |
|
407
|
|
|
* @return string A 32-byte salt string for SimpleSAML to use when signing content |
|
408
|
|
|
*/ |
|
409
|
|
|
public function generateSimpleSAMLSalt() |
|
410
|
|
|
{ |
|
411
|
|
|
if (strlen($this->config()->simplesaml_secret_salt) > 0) { |
|
412
|
|
|
$salt = $this->config()->simplesaml_secret_salt; |
|
413
|
|
|
} else { |
|
414
|
|
|
$salt = base64_encode(openssl_random_pseudo_bytes(32, $strongSalt)); |
|
415
|
|
|
|
|
416
|
|
|
if (!$salt || !$strongSalt) { |
|
|
|
|
|
|
417
|
|
|
$salt = null; // Ensure salt is strong, return null if we can't generate a strong one |
|
418
|
|
|
} |
|
419
|
|
|
} |
|
420
|
|
|
|
|
421
|
|
|
return $salt; |
|
422
|
|
|
} |
|
423
|
|
|
|
|
424
|
|
|
/** |
|
425
|
|
|
* Returns the appropriate entity ID for RealMe, given the environment passed in. The entity ID may be different per |
|
426
|
|
|
* environment, and should be a full URL, including privacy realm and application name. For example, this may be: |
|
427
|
|
|
* https://www.agency.govt.nz/privacy-realm-name/application-name |
|
428
|
|
|
* |
|
429
|
|
|
* @param string $env The environment to return the entity ID for. Must be one of the RealMe environment names |
|
430
|
|
|
* @return string|null Returns the entity ID for the given $env, or null if no entity ID exists |
|
431
|
|
|
*/ |
|
432
|
|
|
public function getEntityIDForEnvironment($env) |
|
433
|
|
|
{ |
|
434
|
|
|
return $this->getConfigurationVarByEnv('entity_ids', $env); |
|
435
|
|
|
} |
|
436
|
|
|
|
|
437
|
|
|
/** |
|
438
|
|
|
* Returns the appropriate AuthN Context, given the environment passed in. The AuthNContext may be different per |
|
439
|
|
|
* environment, and should be one of the strings as defined in the static {@link self::$authn_contexts} at the top |
|
440
|
|
|
* of this class. |
|
441
|
|
|
* |
|
442
|
|
|
* @param string $env The environment to return the AuthNContext for. Must be one of the RealMe environment names |
|
443
|
|
|
* @return string|null Returns the AuthNContext for the given $env, or null if no context exists |
|
444
|
|
|
*/ |
|
445
|
|
|
public function getAuthnContextForEnvironment($env) |
|
446
|
|
|
{ |
|
447
|
|
|
return $this->getConfigurationVarByEnv('authn_contexts', $env); |
|
448
|
|
|
} |
|
449
|
|
|
|
|
450
|
|
|
/** |
|
451
|
|
|
* Gets the proxy host (if required) for back-channel SOAP requests. The proxy host can begin with the string 'env:' |
|
452
|
|
|
* in which case the script will call getenv() on the returned value and attempt to parse it as a full URL. This is |
|
453
|
|
|
* designed primarily to be compatible with the 'http_proxy' that curl uses by default. In other words, passing in |
|
454
|
|
|
* `env:http_proxy` is the equivalent of saying 'use the same HTTP proxy that curl will use in this environment'. |
|
455
|
|
|
* |
|
456
|
|
|
* @param string $env The environment to return the proxy_host for. Must be one of the RealMe environment names |
|
457
|
|
|
* @return string|null Returns the SOAPClient `proxy_host` param, or null if there isn't one |
|
458
|
|
|
*/ |
|
459
|
|
View Code Duplication |
public function getProxyHostForEnvironment($env) |
|
|
|
|
|
|
460
|
|
|
{ |
|
461
|
|
|
$host = $this->getConfigurationVarByEnv('backchannel_proxy_hosts', $env); |
|
462
|
|
|
|
|
463
|
|
|
// Allow usage of an environment variable to define this |
|
464
|
|
|
if (substr($host, 0, 4) === 'env:') { |
|
465
|
|
|
$host = getenv(substr($host, 4)); |
|
466
|
|
|
|
|
467
|
|
|
if ($host === false) { |
|
468
|
|
|
// getenv() didn't return a valid environment var, it's either mis-spelled or doesn't exist |
|
469
|
|
|
$host = null; |
|
470
|
|
|
} else { |
|
471
|
|
|
$host = parse_url($host, PHP_URL_HOST); |
|
472
|
|
|
|
|
473
|
|
|
// This may happen on seriously malformed URLs, in which case we should return null |
|
474
|
|
|
if ($host === false) { |
|
475
|
|
|
$host = null; |
|
476
|
|
|
} |
|
477
|
|
|
} |
|
478
|
|
|
} |
|
479
|
|
|
|
|
480
|
|
|
return $host; |
|
481
|
|
|
} |
|
482
|
|
|
|
|
483
|
|
|
/** |
|
484
|
|
|
* Gets the proxy port (if required) for back-channel SOAP requests. The proxy port can begin with the string 'env:' |
|
485
|
|
|
* in which case the script will call getenv() on the returned value and attempt to parse it as a full URL. This is |
|
486
|
|
|
* designed primarily to be compatible with the 'http_proxy' that curl uses by default. In other words, passing in |
|
487
|
|
|
* `env:http_proxy` is the equivalent of saying 'use the same HTTP proxy that curl will use in this environment'. |
|
488
|
|
|
* |
|
489
|
|
|
* @param string $env The environment to return the proxy_port for. Must be one of the RealMe environment names |
|
490
|
|
|
* @return string|null Returns the SOAPClient `proxy_port` param, or null if there isn't one |
|
491
|
|
|
*/ |
|
492
|
|
View Code Duplication |
public function getProxyPortForEnvironment($env) |
|
|
|
|
|
|
493
|
|
|
{ |
|
494
|
|
|
$port = $this->getConfigurationVarByEnv('backchannel_proxy_ports', $env); |
|
495
|
|
|
|
|
496
|
|
|
// Allow usage of an environment variable to define this |
|
497
|
|
|
if (substr($port, 0, 4) === 'env:') { |
|
498
|
|
|
$port = getenv(substr($port, 4)); |
|
499
|
|
|
|
|
500
|
|
|
if($port === false) { |
|
501
|
|
|
// getenv() didn't return a valid environment var, it's either mis-spelled or doesn't exist |
|
502
|
|
|
$port = null; |
|
503
|
|
|
} else { |
|
504
|
|
|
$port = parse_url($port, PHP_URL_PORT); |
|
505
|
|
|
|
|
506
|
|
|
// This may happen on seriously malformed URLs, in which case we should return null |
|
507
|
|
|
if ($port === false) { |
|
508
|
|
|
$port = null; |
|
509
|
|
|
} |
|
510
|
|
|
} |
|
511
|
|
|
} |
|
512
|
|
|
|
|
513
|
|
|
return $port; |
|
514
|
|
|
} |
|
515
|
|
|
|
|
516
|
|
|
/** |
|
517
|
|
|
* @param string $cfgName The static configuration value to get. This should be an array |
|
518
|
|
|
* @param string $env The environment to return the value for. Must be one of the RealMe environment names |
|
519
|
|
|
* @return string|null Returns the value as defined in $cfgName for the given environment, or null if none exist |
|
520
|
|
|
*/ |
|
521
|
|
|
private function getConfigurationVarByEnv($cfgName, $env) |
|
522
|
|
|
{ |
|
523
|
|
|
$value = null; |
|
524
|
|
|
|
|
525
|
|
|
if (in_array($env, $this->getAllowedRealMeEnvironments())) { |
|
526
|
|
|
$values = $this->config()->$cfgName; |
|
527
|
|
|
|
|
528
|
|
|
if (is_array($values) && isset($values[$env])) { |
|
529
|
|
|
$value = $values[$env]; |
|
530
|
|
|
} |
|
531
|
|
|
} |
|
532
|
|
|
|
|
533
|
|
|
return $value; |
|
534
|
|
|
} |
|
535
|
|
|
|
|
536
|
|
|
/** |
|
537
|
|
|
* Returns the full path to the SAML signing certificate file, used by SimpleSAMLphp to sign all messages sent to |
|
538
|
|
|
* RealMe. |
|
539
|
|
|
* |
|
540
|
|
|
* @return string|null Either the full path to the SAML signing certificate file, or null if it doesn't exist |
|
541
|
|
|
*/ |
|
542
|
|
|
public function getSigningCertPath() |
|
543
|
|
|
{ |
|
544
|
|
|
return $this->getCertPath('SIGNING'); |
|
545
|
|
|
} |
|
546
|
|
|
|
|
547
|
|
|
/** |
|
548
|
|
|
* Returns the full path to the mutual back-channel certificate file, used by SimpleSAMLphp to communicate securely |
|
549
|
|
|
* with RealMe when connecting to the RealMe Assertion Resolution Service (Artifact Resolver). |
|
550
|
|
|
* |
|
551
|
|
|
* @return string|null Either the full path to the SAML mutual certificate file, or null if it doesn't exist |
|
552
|
|
|
*/ |
|
553
|
|
|
public function getMutualCertPath() |
|
554
|
|
|
{ |
|
555
|
|
|
return $this->getCertPath('MUTUAL'); |
|
556
|
|
|
} |
|
557
|
|
|
|
|
558
|
|
|
/** |
|
559
|
|
|
* @param string $certName The certificate name, either 'SIGNING' or 'MUTUAL' |
|
560
|
|
|
* @return string|null Either the full path to the certificate file, or null if it doesn't exist |
|
561
|
|
|
* @see self::getSigningCertPathForEnvironment(), self::getMutualCertPathForEnvironment() |
|
562
|
|
|
*/ |
|
563
|
|
|
private function getCertPath($certName) |
|
564
|
|
|
{ |
|
565
|
|
|
$certPath = null; |
|
566
|
|
|
$certDir = $this->getCertDir(); |
|
567
|
|
|
|
|
568
|
|
|
if (in_array($certName, array('SIGNING', 'MUTUAL'))) { |
|
569
|
|
|
$constName = sprintf('REALME_%s_CERT_FILENAME', strtoupper($certName)); |
|
570
|
|
|
if (defined($constName)) { |
|
571
|
|
|
$filename = constant($constName); |
|
572
|
|
|
$certPath = Controller::join_links($certDir, $filename); |
|
573
|
|
|
} |
|
574
|
|
|
} |
|
575
|
|
|
|
|
576
|
|
|
// Ensure the file exists, if it doesn't then set it to null |
|
577
|
|
|
if (!is_null($certPath) && !file_exists($certPath)) { |
|
578
|
|
|
$certPath = null; |
|
579
|
|
|
} |
|
580
|
|
|
|
|
581
|
|
|
return $certPath; |
|
582
|
|
|
} |
|
583
|
|
|
|
|
584
|
|
|
/** |
|
585
|
|
|
* Returns the password (if any) necessary to decrypt the signing cert specified by self::getSigningCertPath(). If |
|
586
|
|
|
* no password is set, then this method returns null. MTS certificates require a password, however generally the |
|
587
|
|
|
* certificates used for ITE and production don't need one. |
|
588
|
|
|
* |
|
589
|
|
|
* @return string|null Either the password, or null if there is no password. |
|
590
|
|
|
*/ |
|
591
|
|
|
public function getSigningCertPassword() |
|
592
|
|
|
{ |
|
593
|
|
|
return (defined('REALME_SIGNING_CERT_PASSWORD') ? REALME_SIGNING_CERT_PASSWORD : null); |
|
594
|
|
|
} |
|
595
|
|
|
|
|
596
|
|
|
/** |
|
597
|
|
|
* Returns the password (if any) necessary to decrypt the mutual back-channel cert specified by |
|
598
|
|
|
* self::getSigningCertPath(). If no password is set, then this method returns null. MTS certificates require a |
|
599
|
|
|
* password, however generally the certificates used for ITE and production don't need one. |
|
600
|
|
|
* |
|
601
|
|
|
* @return string|null Either the password, or null if there is no password. |
|
602
|
|
|
*/ |
|
603
|
|
|
public function getMutualCertPassword() |
|
604
|
|
|
{ |
|
605
|
|
|
return (defined('REALME_MUTUAL_CERT_PASSWORD') ? REALME_MUTUAL_CERT_PASSWORD : null); |
|
606
|
|
|
} |
|
607
|
|
|
|
|
608
|
|
|
/** |
|
609
|
|
|
* Returns the content of the SAML signing certificate. This is used by @link RealMeSetupTask to output metadata. |
|
610
|
|
|
* The metadata file requires just the certificate to be included, without the BEGIN/END CERTIFICATE lines |
|
611
|
|
|
* @return string|null The content of the signing certificate |
|
612
|
|
|
*/ |
|
613
|
|
|
public function getSigningCertContent() |
|
614
|
|
|
{ |
|
615
|
|
|
$certPath = $this->getSigningCertPath(); |
|
616
|
|
|
$certificate = null; |
|
617
|
|
|
|
|
618
|
|
|
if (!is_null($certPath)) { |
|
619
|
|
|
$certificateContents = file_get_contents($certPath); |
|
620
|
|
|
|
|
621
|
|
|
// This is a PEM key, and we need to extract just the certificate, stripping out the private key etc. |
|
622
|
|
|
// So we search for everything between '-----BEGIN CERTIFICATE-----' and '-----END CERTIFICATE-----' |
|
623
|
|
|
preg_match( |
|
624
|
|
|
'/-----BEGIN CERTIFICATE-----\n([^-]*)\n-----END CERTIFICATE-----/', |
|
625
|
|
|
$certificateContents, |
|
626
|
|
|
$matches |
|
627
|
|
|
); |
|
628
|
|
|
|
|
629
|
|
|
if (isset($matches) && is_array($matches) && isset($matches[1])) { |
|
630
|
|
|
$certificate = $matches[1]; |
|
631
|
|
|
} |
|
632
|
|
|
} |
|
633
|
|
|
|
|
634
|
|
|
return $certificate; |
|
635
|
|
|
} |
|
636
|
|
|
|
|
637
|
|
|
/** |
|
638
|
|
|
* @param string $env The environment to return the entity ID for. Must be one of the RealMe environment names |
|
639
|
|
|
* @return string|null Either the assertion consumer service location, or null if information doesn't exist |
|
640
|
|
|
*/ |
|
641
|
|
|
public function getAssertionConsumerServiceUrlForEnvironment($env) |
|
642
|
|
|
{ |
|
643
|
|
|
if (false === in_array($env, $this->getAllowedRealMeEnvironments())) { |
|
644
|
|
|
return null; |
|
645
|
|
|
} |
|
646
|
|
|
|
|
647
|
|
|
// Returns http://domain.govt.nz/vendor/madmatt/simplesamlphp/www/module.php/saml/sp/saml2-acs.php/realme-mts |
|
648
|
|
|
$domain = $this->getMetadataAssertionServiceDomainForEnvironment($env); |
|
649
|
|
|
if (false === filter_var($domain, FILTER_VALIDATE_URL)) { |
|
650
|
|
|
return null; |
|
651
|
|
|
} |
|
652
|
|
|
|
|
653
|
|
|
$basePath = $this->getSimpleSamlBaseUrlPath(); |
|
654
|
|
|
$modulePath = 'module.php/saml/sp/saml2-acs.php/'; |
|
655
|
|
|
$authSource = sprintf('realme-%s', $env); |
|
656
|
|
|
return Controller::join_links($domain, $basePath, $modulePath, $authSource); |
|
657
|
|
|
} |
|
658
|
|
|
|
|
659
|
|
|
/** |
|
660
|
|
|
* @param string $env The environment to return the domain name for. Must be one of the RealMe environment names |
|
661
|
|
|
* @return string|null Either the FQDN (e.g. https://www.realme-demo.govt.nz/) or null if none is specified |
|
662
|
|
|
*/ |
|
663
|
|
|
private function getMetadataAssertionServiceDomainForEnvironment($env) |
|
664
|
|
|
{ |
|
665
|
|
|
return $this->getConfigurationVarByEnv('metadata_assertion_service_domains', $env); |
|
666
|
|
|
} |
|
667
|
|
|
|
|
668
|
|
|
/** |
|
669
|
|
|
* @return string|null The organisation name to be used in metadata XML output, or null if none exists |
|
670
|
|
|
*/ |
|
671
|
|
|
public function getMetadataOrganisationName() |
|
672
|
|
|
{ |
|
673
|
|
|
$orgName = $this->config()->metadata_organisation_name; |
|
674
|
|
|
return (strlen($orgName) > 0) ? $orgName : null; |
|
675
|
|
|
} |
|
676
|
|
|
|
|
677
|
|
|
/** |
|
678
|
|
|
* @return string|null The organisation display name to be used in metadata XML output, or null if none exists |
|
679
|
|
|
*/ |
|
680
|
|
|
public function getMetadataOrganisationDisplayName() |
|
681
|
|
|
{ |
|
682
|
|
|
$displayName = $this->config()->metadata_organisation_display_name; |
|
683
|
|
|
return (strlen($displayName) > 0) ? $displayName : null; |
|
684
|
|
|
} |
|
685
|
|
|
|
|
686
|
|
|
/** |
|
687
|
|
|
* @return string|null The organisation website URL to be used in metadata XML output, or null if none exists |
|
688
|
|
|
*/ |
|
689
|
|
|
public function getMetadataOrganisationUrl() |
|
690
|
|
|
{ |
|
691
|
|
|
$url = $this->config()->metadata_organisation_url; |
|
692
|
|
|
return (strlen($url) > 0) ? $url: null; |
|
693
|
|
|
} |
|
694
|
|
|
|
|
695
|
|
|
/** |
|
696
|
|
|
* @return array The support contact details to be used in metadata XML output, with null values if they don't exist |
|
697
|
|
|
*/ |
|
698
|
|
|
public function getMetadataContactSupport() |
|
699
|
|
|
{ |
|
700
|
|
|
$company = $this->config()->metadata_contact_support_company; |
|
701
|
|
|
$firstNames = $this->config()->metadata_contact_support_firstnames; |
|
702
|
|
|
$surname = $this->config()->metadata_contact_support_surname; |
|
703
|
|
|
|
|
704
|
|
|
return array( |
|
705
|
|
|
'company' => (strlen($company) > 0) ? $company : null, |
|
706
|
|
|
'firstNames' => (strlen($firstNames) > 0) ? $firstNames : null, |
|
707
|
|
|
'surname' => (strlen($surname) > 0) ? $surname : null |
|
708
|
|
|
); |
|
709
|
|
|
} |
|
710
|
|
|
|
|
711
|
|
|
/** |
|
712
|
|
|
* The list of RealMe environments that can be used. By default, we allow mts, ite and production. |
|
713
|
|
|
* @return array |
|
714
|
|
|
*/ |
|
715
|
|
|
public function getAllowedRealMeEnvironments() |
|
716
|
|
|
{ |
|
717
|
|
|
return $this->config()->allowed_realme_environments; |
|
718
|
|
|
} |
|
719
|
|
|
|
|
720
|
|
|
/** |
|
721
|
|
|
* The list of valid realme AuthNContexts |
|
722
|
|
|
* @return array |
|
723
|
|
|
*/ |
|
724
|
|
|
public function getAllowedAuthNContextList() |
|
725
|
|
|
{ |
|
726
|
|
|
return $this->config()->allowed_authn_context_list; |
|
727
|
|
|
} |
|
728
|
|
|
} |
|
729
|
|
|
|
You can fix this by adding a namespace to your class:
When choosing a vendor namespace, try to pick something that is not too generic to avoid conflicts with other libraries.