runff 1.0 commit

2019-04-29 16:09:00 +02:00
commit f1567f989b
1268 changed files with 98652 additions and 0 deletions
--- a/lib/SimpleSAML/Utils/Config.php
+++ b/lib/SimpleSAML/Utils/Config.php
@@ -0,0 +1,92 @@
+<?php
+namespace SimpleSAML\Utils;
+
+/**
+ * Utility class for SimpleSAMLphp configuration management and manipulation.
+ *
+ * @package SimpleSAMLphp
+ */
+class Config
+{
+
+    /**
+     * Resolves a path that may be relative to the cert-directory.
+     *
+     * @param string $path The (possibly relative) path to the file.
+     *
+     * @return string  The file path.
+     * @throws \InvalidArgumentException If $path is not a string.
+     *
+     * @author Olav Morken, UNINETT AS <olav.morken@uninett.no>
+     */
+    public static function getCertPath($path)
+    {
+        if (!is_string($path)) {
+            throw new \InvalidArgumentException('Invalid input parameters.');
+        }
+
+        $globalConfig = \SimpleSAML_Configuration::getInstance();
+        $base = $globalConfig->getPathValue('certdir', 'cert/');
+        return System::resolvePath($path, $base);
+    }
+
+
+    /**
+     * Retrieve the secret salt.
+     *
+     * This function retrieves the value which is configured as the secret salt. It will check that the value exists
+     * and is set to a non-default value. If it isn't, an exception will be thrown.
+     *
+     * The secret salt can be used as a component in hash functions, to make it difficult to test all possible values
+     * in order to retrieve the original value. It can also be used as a simple method for signing data, by hashing the
+     * data together with the salt.
+     *
+     * @return string The secret salt.
+     * @throws \InvalidArgumentException If the secret salt hasn't been configured.
+     *
+     * @author Olav Morken, UNINETT AS <olav.morken@uninett.no>
+     */
+    public static function getSecretSalt()
+    {
+        $secretSalt = \SimpleSAML_Configuration::getInstance()->getString('secretsalt');
+        if ($secretSalt === 'defaultsecretsalt') {
+            throw new \InvalidArgumentException('The "secretsalt" configuration option must be set to a secret value.');
+        }
+
+        return $secretSalt;
+    }
+
+    /**
+     * Returns the path to the config dir
+     *
+     * If the SIMPLESAMLPHP_CONFIG_DIR environment variable has been set, it takes precedence over the default
+     * $simplesamldir/config directory.
+     *
+     * @return string The path to the configuration directory.
+     */
+    public static function getConfigDir()
+    {
+        $configDir    = dirname(dirname(dirname(__DIR__))) . '/config';
+        /** @var string|false $configDirEnv */
+        $configDirEnv = getenv('SIMPLESAMLPHP_CONFIG_DIR');
+        
+        if($configDirEnv === false) {
+            $configDirEnv = getenv('REDIRECT_SIMPLESAMLPHP_CONFIG_DIR');
+        }
+        
+        if ($configDirEnv !== false) {
+            if (!is_dir($configDirEnv)) {
+                throw new \InvalidArgumentException(
+                    sprintf(
+                        'Config directory specified by environment variable SIMPLESAMLPHP_CONFIG_DIR is not a ' .
+                        'directory.  Given: "%s"',
+                        $configDirEnv
+                    )
+                );
+            }
+            $configDir = $configDirEnv;
+        }
+
+        return $configDir;
+    }
+}