AWS/S3 Bucket Policies

Working with JSON

Download Notepad++ plugin nppjsonviewer. Install the plugin by just dropping the DLL in the plugin folder. You can also use Plugin Manager bu going to Plugins > Plugin Manager > Show Plugin Manager > find JSON Viewer last current version 1.21.

Plugin shows the JSON in a tree format in a separate frame, it also formats JSON in a readable format in the main Notepad++ window. To format a JSON string, paste it into Notepad++ and select it. Then go to Plugins > JSON Viewer > Format JSON [Ctrl+Alt+Shift+M] and it should instantly format it for you, then choose Show JSON Viewer [Ctrl+Alt+Shift+J]

Example Policy

A sample AWS IAM json policy file with read-only access to certain S3 buckets. Formatted by JSON Viewer in NP++

{
	"Statement": [{
		"Effect": "Allow",
		"Action": ["s3:ListBucket",
		"s3:GetObject",
		"s3:GetObjectVersion"],
		"Resource": ["arn:aws:s3:::my_bucket/*",
		"arn:aws:s3:::my_bucket"]
	}],
	"Statement": [{
		"Effect": "Allow",
		"Action": ["s3:ListBucket",
		"s3:GetObject",
		"s3:GetObjectVersion"],
		"Resource": ["arn:aws:s3:::my_other_bucket/*",
		"arn:aws:s3:::my_other_bucket"]
	}],
	"Statement": [{
		"Effect": "Allow",
		"Action": ["s3:ListAllMyBuckets"],
		"Resource": "*",
		"Condition": {
			
		}
	}]
}