From bd8d23b6fde2aea625a25bd4c85c7a0aea92d28a Mon Sep 17 00:00:00 2001
From: Alexander Dumanskiy <dumanskiy@anylogic.com>
Date: Thu, 18 May 2023 19:26:32 +0200
Subject: [PATCH] Added an optional environment variable S3_SERVER support

---
 README.md | 4 +++-
 s3simple  | 7 ++++++-
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 6031cea..e46582c 100644
--- a/README.md
+++ b/README.md
@@ -22,7 +22,7 @@ possible, but it is not implemented here.
 
 1. Download the [s3simple](s3simple) script somewhere.
 2. Set `AWS_ACCESS_KEY_ID` and `AWS_SECRET_ACCESS_KEY` and optionally
-`AWS_SESSION_TOKEN` environment variables.
+`AWS_SESSION_TOKEN` and `S3_SERVER` environment variables.
 3. Run `s3simple` with a method, an `s3://` url and, optionally, a local
 filename.
 
@@ -32,6 +32,8 @@ For example:
     export AWS_SECRET_ACCESS_KEY=zzzz
     # optionally provide a temporary session token
     export AWS_SESSION_TOKEN=wwww...
+    # optionally provide an S3 server address
+    export S3_SERVER=http://my-s3.example.com:9000
 
     # get a file
     ./s3simple get s3://mybucket/myfile.txt myfile.txt
diff --git a/s3simple b/s3simple
index b468860..b13646e 100755
--- a/s3simple
+++ b/s3simple
@@ -72,7 +72,12 @@ s3simple() {
 	local bucket="${path%%/*}"
 	local key="${path#*/}"
 
-	curl "${args[@]}" -s -f -H "Date: ${date}" -H "Authorization: ${authorization}" "https://${bucket}.s3.amazonaws.com/${key}"
+	local url="https://${bucket}.s3.amazonaws.com"
+	if [ -n "${S3_SERVER-}" ]; then
+	    url="${S3_SERVER}/${bucket}"
+	fi
+
+	curl "${args[@]}" -s -f -H "Date: ${date}" -H "Authorization: ${authorization}" "${url}/${key}"
 }
 
 s3simple "$@"