AWS S3 PHP - How to open access to a file from PHP

Web links

• https://docs.aws.amazon.com/sdk-for-php/v3/developer-guide/getting-started_installation.html
  • Download AWS SDK .ZIP File.
  • Login to your website
  • Upload the AWS.ZIP into its own folder ie AWS_SDK
  • Extract the AWS.ZIP Setup Credentials:
• https://docs.aws.amazon.com/sdk-for-php/v3/developer-guide/guide_credentials.html
• https://docs.aws.amazon.com/sdk-for-php/v3/developer-guide/guide_credentials_profiles.html
• create .aws/ in home directory
• create file called “credentials” in .aws/ folder

Create Bucket

Lock down bucket to a policy:

• https://objectivefs.com/howto/how-to-restrict-s3-bucket-policy-to-only-one-aws-s3-bucket

Errors: PHP Fatal error: Uncaught Error: Call to undefined function JmesPath\mb_strlen() in /home/poultryp/public_html/S3/JmesPath/Lexer.php:343

• https://stackoverflow.com/questions/66179871/php-aws-sdk-fatal-error-creating-s3client
• https://trustiko.com/enable-php-mbstring-extension-in-cpanel/

PHP Fatal error: Uncaught Aws\Exception\CredentialsException: Cannot read credentials from /.aws/credentials in /home/poultryp/public_html/S3/Aws/Credentials/CredentialProvider.php:874

• See “Setup Credentials” above
• If this still happens:

• // Needed overwise AWS cannot find home directory
  

  putenv(‘HOME=/home/poultryp’);

Access Denied:

• https://zenesys.medium.com/grant-iam-user-access-to-only-one-s3-bucket-or-folder-using-iam-policy-6bd3043ae5be
• Make sure to add two resources, one for the Folder/Bucket and one for the files in the bucket:
• "Resource": [ "arn:aws:s3:::protectedwebsite", "arn:aws:s3:::protectedwebsite/*" ]