lib/cac.sh: add _cac_get_api_v1

lib/cac.sh

@@ -1,3 +1,5 @@
+. ./lib/url.sh
+
 _cac_exec() {
   if test -z "${cac_via-}"; then
     (exec "$@")
@@ -6,20 +8,21 @@ _cac_exec() {
   fi
 }
 
+_cac_get_api_v1() {
+  _cac_exec curl -fsS \
+    $(shift
+      set -- "$@" login="$cac_login" key="$cac_key"
+      for arg; do
+        echo -d $(printf '%s' "$arg" | url_encode)
+      done
+    ) \
+    -G "https://panel.cloudatcost.com/api/v1/$1.php"
+}
+
 cac_listservers() {
-  _cac_exec \
-    curl -fsS \
-      -G \
-      --data-urlencode key="$cac_key" \
-      --data-urlencode login="$cac_login" \
-      'https://panel.cloudatcost.com/api/v1/listservers.php'
+  _cac_get_api_v1 listservers
 }
 
 cac_listtasks() {
-  _cac_exec \
-    curl -fsS \
-      -G \
-      --data-urlencode key="$cac_key" \
-      --data-urlencode login="$cac_login" \
-      'https://panel.cloudatcost.com/api/v1/listtasks.php'
+  _cac_get_api_v1 listtasks
 }