refactor: Alibaba Cloud API

acme.sh

@@ -672,8 +672,10 @@ _hex_dump() {
 #0  1  2  3  4  5  6  7  8  9  -  _  .  ~
 #30 31 32 33 34 35 36 37 38 39 2d 5f 2e 7e
 
+#_url_encode [upper-hex]  the encoded hex will be upper-case if the argument upper-hex is followed
 #stdin stdout
 _url_encode() {
+  _upper_hex=$1
   _hex_str=$(_hex_dump)
   _debug3 "_url_encode"
   _debug3 "_hex_str" "$_hex_str"
@@ -883,6 +885,9 @@ _url_encode() {
       ;;
     #other hex
     *)
+      if [ "$_upper_hex" = "upper-hex" ]; then
+        _hex_code=$(printf "%s" "$_hex_code" | _upper_case)
+      fi
       printf '%%%s' "$_hex_code"
       ;;
     esac