Support credentials files inside $LAMBDA_TASK_ROOT

ChangeLog.md

@@ -3,6 +3,10 @@ AWS Core change log
 
 ## ?.?.? / ????-??-??
 
+## 2.2.0 / 2024-07-13
+
+* Included `LAMBDA_TASK_ROOT` in home directory lookup - @thekid
+
 ## 2.1.0 / 2024-07-07
 
 * Merged PR #12: Support for SSO credential provider - @thekid

src/main/php/com/amazon/aws/credentials/FromConfig.class.php

@@ -30,15 +30,20 @@ class FromConfig extends Provider {
   public function __construct($config= null, $credentials= null, $profile= null) {
     $this->config= new IniFile($config
       ?? Environment::variable('AWS_CONFIG_FILE', null)
-      ?? new Path(Environment::homeDir(), '.aws', 'config')
+      ?? new Path($this->homeDir(), '.aws', 'config')
     );
     $this->credentials= new IniFile($credentials
       ?? Environment::variable('AWS_SHARED_CREDENTIALS_FILE', null)
-      ?? new Path(Environment::homeDir(), '.aws', 'credentials')
+      ?? new Path($this->homeDir(), '.aws', 'credentials')
     );
     $this->profile= $profile ?? Environment::variable('AWS_PROFILE', 'default');
   }
 
+  /** @return string */
+  private function homeDir() {
+    return Environment::variable(['HOME', 'USERPROFILE', 'LAMBDA_TASK_ROOT'], DIRECTORY_SEPARATOR);
+  }
+
   /** @return ?com.amazon.aws.Credentials */
   public function credentials() {
     $modified= max($this->config->modified(), $this->credentials->modified());