From df4898ff94a8e97fcb0d1a1fde7cd06f8ebcfd58 Mon Sep 17 00:00:00 2001
From: myaaaaaaaaa <103326468+myaaaaaaaaa@users.noreply.github.com>
Date: Wed, 18 Dec 2024 02:16:52 -0500
Subject: [PATCH] add sha functions

---
 gojqx.go      | 22 ++++++++++++++++------
 gojqx_test.go | 14 +++++++++++++-
 2 files changed, 29 insertions(+), 7 deletions(-)

diff --git a/gojqx.go b/gojqx.go
index 6f98615..9b79b9b 100644
--- a/gojqx.go
+++ b/gojqx.go
@@ -2,8 +2,12 @@ package jqx
 
 import (
 	"crypto/md5"
+	"crypto/sha1"
+	"crypto/sha256"
+	"crypto/sha512"
 	"encoding/hex"
 	"fmt"
+	"hash"
 	"iter"
 	"maps"
 	"math/rand/v2"
@@ -35,7 +39,7 @@ func (s *State) snapshot(input any, kv []any) (rt any) {
 
 	return
 }
-func jshuffle(input any, seed []any) any {
+func shuffle(input any, seed []any) any {
 	s := fmt.Sprint(seed[0])
 	r := rand.PCG{}
 	r.Seed(0x701877fa59de0c16, 0x99f94bdb8143b770)
@@ -51,9 +55,12 @@ func jshuffle(input any, seed []any) any {
 	})
 	return rt
 }
-func jmd5(input any, _ []any) any {
-	hash := md5.Sum([]byte(input.(string)))
-	return hex.EncodeToString(hash[:])
+func hasher(f func() hash.Hash) func(any, []any) any {
+	return func(input any, _ []any) any {
+		h := f()
+		h.Write([]byte(input.(string)))
+		return hex.EncodeToString(h.Sum(nil))
+	}
 }
 
 func (s *State) Compile(code constString) FanOut {
@@ -80,8 +87,11 @@ func (s *State) Compile(code constString) FanOut {
 	compiled, err := gojq.Compile(
 		parsed,
 		gojq.WithFunction("snapshot", 2, 2, s.snapshot),
-		gojq.WithFunction("shuffle", 1, 1, jshuffle),
-		gojq.WithFunction("md5", 0, 0, jmd5),
+		gojq.WithFunction("shuffle", 1, 1, shuffle),
+		gojq.WithFunction("md5", 0, 0, hasher(md5.New)),
+		gojq.WithFunction("sha1", 0, 0, hasher(sha1.New)),
+		gojq.WithFunction("sha256", 0, 0, hasher(sha256.New)),
+		gojq.WithFunction("sha512", 0, 0, hasher(sha512.New)),
 		gojq.WithVariables(globalKeys),
 	)
 	failif(err, "compiling query")
diff --git a/gojqx_test.go b/gojqx_test.go
index 845b7aa..e871b3a 100644
--- a/gojqx_test.go
+++ b/gojqx_test.go
@@ -59,10 +59,22 @@ func TestState(t *testing.T) {
 
 func TestHash(t *testing.T) {
 	query := new(State).Compile(`md5`)
-
 	assertString(t, slices.Collect(query("")), `[d41d8cd98f00b204e9800998ecf8427e]`)
 	assertString(t, slices.Collect(query("\n")), `[68b329da9893e34099c7d8ad5cb9c940]`)
 	assertString(t, slices.Collect(query("hi")), `[49f68a5c8493ec2c0bf489821c21fc3b]`)
+
+	query = new(State).Compile(`sha1`)
+	assertString(t, slices.Collect(query("")), `[da39a3ee5e6b4b0d3255bfef95601890afd80709]`)
+	assertString(t, slices.Collect(query("\n")), `[adc83b19e793491b1c6ea0fd8b46cd9f32e592fc]`)
+	assertString(t, slices.Collect(query("hi")), `[c22b5f9178342609428d6f51b2c5af4c0bde6a42]`)
+	query = new(State).Compile(`sha256`)
+	assertString(t, slices.Collect(query("")), `[e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855]`)
+	assertString(t, slices.Collect(query("\n")), `[01ba4719c80b6fe911b091a7c05124b64eeece964e09c058ef8f9805daca546b]`)
+	assertString(t, slices.Collect(query("hi")), `[8f434346648f6b96df89dda901c5176b10a6d83961dd3c1ac88b59b2dc327aa4]`)
+	query = new(State).Compile(`sha512`)
+	assertString(t, slices.Collect(query("")), `[cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e]`)
+	assertString(t, slices.Collect(query("\n")), `[be688838ca8686e5c90689bf2ab585cef1137c999b48c70b92f67a5c34dc15697b5d11c982ed6d71be1e1e7f7b4e0733884aa97c3f7a339a8ed03577cf74be09]`)
+	assertString(t, slices.Collect(query("hi")), `[150a14ed5bea6cc731cf86c41566ac427a8db48ef1b9fd626664b3bfbb99071fa4c922f33dde38719b8c8354e2b7ab9d77e0e67fc12843920a712e73d558e197]`)
 }
 func TestShuffle(t *testing.T) {
 	query := new(State).Compile(`range(4) | [range(.)] | [shuffle(range(30))|join("")] | unique | join("-")`)