Modrinth Support (#11)

Co-authored-by: comp500 <comp500@users.noreply.github.com>

core/hash.go

@@ -2,16 +2,19 @@ package core
 
 import (
 	"crypto/md5"
+	"crypto/sha1"
 	"crypto/sha256"
 	"crypto/sha512"
-	"strings"
 	"errors"
 	"hash"
+	"strings"
 )
 
 // GetHashImpl gets an implementation of hash.Hash for the given hash type string
 func GetHashImpl(hashType string) (hash.Hash, error) {
 	switch strings.ToLower(hashType) {
+	case "sha1":
+		return sha1.New(), nil
 	case "sha256":
 		return sha256.New(), nil
 	case "sha512":

core/mod.go

@@ -3,12 +3,12 @@ package core
 import (
 	"encoding/hex"
 	"errors"
+	"fmt"
 	"io"
 	"net/http"
 	"os"
 	"path/filepath"
 	"strconv"
-	"fmt"
 
 	"github.com/BurntSushi/toml"
 )