From 3769c54b3819d2ae8dccce5c93c8e3c88801ecfb Mon Sep 17 00:00:00 2001
From: "kayos@tcp.direct" <kayos@tcp.direct>
Date: Fri, 4 Feb 2022 00:04:22 -0800
Subject: [PATCH] Add: squish

---
 .gitignore       |  1 +
 squish/squish.go | 54 ++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 55 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 squish/squish.go

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..485dee6
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+.idea
diff --git a/squish/squish.go b/squish/squish.go
new file mode 100644
index 0000000..299b6ce
--- /dev/null
+++ b/squish/squish.go
@@ -0,0 +1,54 @@
+package squish
+
+import (
+        "bytes"
+        "compress/gzip"
+        "encoding/base64"
+        "io"
+)
+
+// Gzip compresses as slice of bytes using gzip compression.
+func Gzip(data []byte) ([]byte, error) {
+        var b bytes.Buffer
+        gz := gzip.NewWriter(&b)
+        if _, err := gz.Write(data); err != nil {
+                return data, err
+        }
+        if err := gz.Close(); err != nil {
+                return data, err
+        }
+        return b.Bytes(), nil
+}
+
+
+// Gunzip decompresses a gzip compressed slice of bytes.
+func Gunzip(data []byte) ([]byte, error) {
+        gz, err := gzip.NewReader(bytes.NewReader(data))
+        if err != nil {
+                return nil, err
+        }
+        out, err := io.ReadAll(gz)
+        if err != nil {
+                return nil, err
+        }
+        return out, err
+}
+
+// B64e encodes the given slice of bytes into base64 standard encoding.
+func B64e(cytes []byte) (data string) {
+        data = base64.StdEncoding.EncodeToString(cytes)
+        return
+}
+
+// B64d decodes the given string into the original slice of bytes.
+// Do note that this is for non critical tasks, it has no error handling for purposes of clean code.
+func B64d(str string) (data []byte) {
+        data, _ = base64.StdEncoding.DecodeString(str)
+        return data
+}
+
+// UnpackStr UNsafely unpacks (usually banners) that have been base64'd and then gzip'd.
+func UnpackStr(encoded string) string {
+        dcytes, _ := Gunzip(B64d(encoded))
+        return string(dcytes)
+}