Add validation script

Author: InfinityGhost

validate.sh

@@ -0,0 +1,60 @@
+#!/usr/bin/env bash
+shopt -s globstar # Decend into subdirectories
+ROOTDIR="$(readlink -f $(dirname ${BASH_SOURCE[0]}))"
+[ ! -d "${ROOTDIR}" ] && exit 100;
+
+RESET='\033[0;0m'
+ACCENT='\033[0;97m'
+ERROR='\033[1;91m'
+SUCCESS='\033[1;92m'
+
+print_clr() {
+  [ "$#" -ne 2 ] && exit 101;
+  printf "$1$2${RESET}\n"
+}
+
+test_dep() {
+  [ "$#" -ne 1 ] && exit 102;
+  if [ -z "$(command -v $1)" ]; then
+    printf "Error: '$1' was not found in PATH.\n"
+    exit 102;
+  fi
+}
+
+test_dependencies() {
+  test_dep "sha256sum"
+  test_dep "jq"
+  test_dep "xargs"
+}
+
+check_sha256() {
+  [ "$#" -ne 2 ] && exit 103;
+
+  printf "  URL:     $1\n"
+  printf "  SHA256:  $2\n"
+
+  CURL_OUTPUT=$(curl -sL "$1" | sha256sum)
+  REMOTE_SHA256="$(printf ${CURL_OUTPUT% -} | xargs)"
+
+  if [ "${REMOTE_SHA256}" == "$2" ]; then
+    print_clr ${SUCCESS} "  Success: ${REMOTE_SHA256}"
+  else
+    print_clr ${ERROR} "  Failed:  ${REMOTE_SHA256}"
+    exit 200;
+  fi
+}
+
+validate() {
+  print_clr ${ACCENT} "Validating '$1'"
+  SHA256=$(jq -r '.SHA256' $1)
+  DOWNLOAD_URL=$(jq -r '.DownloadUrl' $1)
+
+  check_sha256 "${DOWNLOAD_URL}" "${SHA256}"
+}
+
+test_dependencies
+
+for file in ${ROOTDIR}/**; do
+  [ "${file: -5}" == ".json" ] && validate "${file}"
+done
+exit 0