feat(certgen/tls): add print color functions

.gitignore

@@ -1,3 +1,5 @@
 /node_modules
+/output
+/custom_tls_cert_gen/output
 
 yarn.lock

custom_tls_cert_gen/generate-custom-tls.sh

@@ -0,0 +1,106 @@
+#!/bin/bash
+
+set -eu
+
+ERROR_COLOR='\033[0;31m';
+HIGHLIGHT_COLOR='\033[0;32m';
+INPUT_COLOR='\033[0;33m';
+NO_COLOR='\033[0m';
+
+
+function print_highlight() {
+  printf "${HIGHLIGHT_COLOR}$1${NO_COLOR}\n"
+}
+
+function print_error() {
+  printf "${ERROR_COLOR}$1${NO_COLOR}\n"
+}
+
+function input() {
+  read -p "$(echo -e ${INPUT_COLOR}$1 ${NO_COLOR})" $2
+}
+
+input "Specify the output path:" OUTPUT_PATH
+
+if [ -z "$OUTPUT_PATH" ]; then
+  OUTPUT_PATH="$(pwd)/output"
+
+  if [[ ! -e "$OUTPUT_PATH" ]]; then 
+    mkdir "$OUTPUT_PATH"
+  fi 
+fi
+
+if [[ ! -e "$OUTPUT_PATH" ]]; then 
+  print_error "${OUTPUT_PATH} doesn't exist."
+  exit;
+fi
+
+input "Do you have cfssl installed?(y/n): " is_cfssl_installed
+
+CFSSLEXE=${OUTPUT_PATH}/cfssl
+CFSSLJSONEXE=${OUTPUT_PATH}/cfssljson
+
+if [[ "${is_cfssl_installed}" == "y" || "${is_cfssl_installed}" == "Y" ]]; then 
+  input "Specify the path where the cfssl and cfssljson are placed: " TOOL_PATH
+
+  CFSSLEXE=${TOOL_PATH}/cfssl
+  CFSSLJSONEXE=${TOOL_PATH}/cfssljson
+
+  print_highlight "Your cfssl binary path is ${CFSSLEXE}"
+
+  if [ ! -e "$CFSSLEXE" ]; then
+      print_error "no cfssl found."
+      exit;
+  fi
+
+  if [ ! -e "$CFSSLJSONEXE" ]; then
+      print_error "no cfssljson found."
+      exit;
+  fi
+
+else
+  # Download the cfssl for users
+  input "Specify your platform(darwin/linux/windows): " PLATFORM  
+
+  if [ -z "$PLATFORM" ]; then 
+    print_error "Platform must be provided."
+    exit;
+  fi
+
+  print_highlight "Only amd64 is supported"
+
+  wget "https://github.com/cloudflare/cfssl/releases/download/v1.6.1/cfssl_1.6.1_${PLATFORM}_amd64" -O "${OUTPUT_PATH}/cfssl"
+  chmod +x "${OUTPUT_PATH}/cfssl"
+  wget "https://github.com/cloudflare/cfssl/releases/download/v1.6.1/cfssljson_1.6.1_${PLATFORM}_amd64" -O "${OUTPUT_PATH}/cfssljson"
+  chmod +x "${OUTPUT_PATH}/cfssljson"
+
+  print_highlight "Download the cfssl bundle successfully."
+fi
+
+cd $OUTPUT_PATH
+
+input "Give a name to the CA certificate: " CA_CERT_NAME
+
+${CFSSLEXE} print-defaults csr | ${CFSSLEXE} gencert -initca - | ${CFSSLJSONEXE} -bare ${CA_CERT_NAME}-ca 
+
+CONFIG_CFSSL_JSON=${OUTPUT_PATH}/cfssl.json
+
+cat <<EOF >> ${CONFIG_CFSSL_JSON}
+{
+  "signing": {
+    "default": {
+      "expiry": "87600h",
+      "usages": ["signing", "key encipherment", "server auth"]
+    }
+  }
+}
+EOF
+
+input "Give a name to the certificate: " CERT_NAME
+
+input "Input the hostname(example.org,127.0.0.1): " CERT_HOSTNAME
+
+echo '{}' | ${CFSSLEXE} gencert -ca=ldap-ca.pem -ca-key=ldap-ca-key.pem -config=${CONFIG_CFSSL_JSON} \
+    -hostname="${CERT_HOSTNAME}" - | ${CFSSLJSONEXE} -bare ${CERT_NAME}
+
+print_highlight "The custom TLS certificates are successfully generated in the path ${OUTPUT_PATH}."