-
Notifications
You must be signed in to change notification settings - Fork 53
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Merge pull request #1683 from seokho-son/main
Add encryption decryption script for credentials
- Loading branch information
Showing
5 changed files
with
301 additions
and
14 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,76 @@ | ||
| #!/bin/bash | ||
|
|
||
| # Define colors for output | ||
| RED='\033[0;31m' | ||
| LGREEN='\033[1;32m' | ||
| PURPLE='\033[0;35m' | ||
| NC='\033[0m' # No Color | ||
| CYAN='\033[0;36m' | ||
| YELLOW='\033[1;33m' | ||
|
|
||
| CRED_FILE_NAME="credentials.yaml" | ||
| CRED_PATH="$HOME/.cloud-barista" | ||
| FILE_PATH="$CRED_PATH/$CRED_FILE_NAME" | ||
| ENCRYPTED_FILE="$FILE_PATH.enc" | ||
| TEMP_DECRYPTED_FILE="$FILE_PATH.tmp" | ||
| KEY_FILE="$CRED_PATH/.tmp_enc_key" | ||
|
|
||
| # Check if OpenSSL is installed | ||
| if ! command -v openssl &> /dev/null; then | ||
| echo -e "\n${RED}OpenSSL is not installed. Installation guide:${NC}" | ||
| echo -e "${LGREEN}Ubuntu/Debian:${NC} sudo apt-get install openssl" | ||
| echo -e "${LGREEN}CentOS/RHEL:${NC} sudo yum install openssl" | ||
| echo -e "${LGREEN}Fedora:${NC} sudo dnf install openssl" | ||
| echo -e "${LGREEN}Arch Linux:${NC} sudo pacman -S openssl\n" | ||
| exit 1 | ||
| fi | ||
|
|
||
| # Check if the file is already decrypted | ||
| if [ -f "$FILE_PATH" ]; then | ||
| echo -e "\n${RED}The file is already decrypted.${NC}\n" | ||
| exit 0 | ||
| fi | ||
|
|
||
| # Check if the encrypted file exists | ||
| if [ ! -f "$ENCRYPTED_FILE" ]; then | ||
| echo -e "\n${RED}The encrypted file does not exist: ${CYAN}$ENCRYPTED_FILE${NC}\n" | ||
| exit 1 | ||
| fi | ||
|
|
||
| # Prompt for password or use the key file | ||
| if [ -f "$KEY_FILE" ]; then | ||
| TB_CRED_DECRYPT_KEY=$(cat "$KEY_FILE") | ||
| echo -e "\n${YELLOW}Using the temporary key file for decryption: ${CYAN}$KEY_FILE${NC}" | ||
| echo -e "${RED}Warning: It is not recommended to use temporary key file continuously. Please manage the key securely and delete the file after use.${NC}" | ||
| else | ||
| read -sp "Enter the password: " PASSWORD | ||
| echo | ||
|
|
||
| if [ -z "$PASSWORD" ]; then | ||
| echo -e "\n${RED}Password is required.${NC}\n" | ||
| exit 1 | ||
| fi | ||
|
|
||
| # Use the entered password | ||
| TB_CRED_DECRYPT_KEY=$PASSWORD | ||
| fi | ||
|
|
||
| # Decrypt the file to a temporary file, suppressing OpenSSL error messages | ||
| DECRYPT_OUTPUT=$(openssl enc -aes-256-cbc -d -pbkdf2 -in "$ENCRYPTED_FILE" -out "$TEMP_DECRYPTED_FILE" -pass pass:"$TB_CRED_DECRYPT_KEY" 2>&1) | ||
|
|
||
| # Check if decryption was successful | ||
| if [ $? -eq 0 ]; then | ||
| mv "$TEMP_DECRYPTED_FILE" "$FILE_PATH" | ||
| rm "$ENCRYPTED_FILE" | ||
| echo -e "\n${LGREEN}File successfully decrypted: ${CYAN}$FILE_PATH${NC}" | ||
| echo -e "(Encrypted file deleted: $ENCRYPTED_FILE)\n" | ||
| else | ||
| echo -e "\n${RED}Failed to decrypt the file. Exiting.${NC}\n" | ||
| if [ -f "$KEY_FILE" ]; then | ||
| echo -e "${RED}Failed to decrypt the file using the key file. Please delete the key file and retry with manual password input.${NC}" | ||
| fi | ||
| echo -e "${RED}log: ${DECRYPT_OUTPUT}${NC}\n" | ||
| rm -f "$TEMP_DECRYPTED_FILE" # Remove the temporary file if decryption failed | ||
| exit 1 | ||
| fi | ||
|
|
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,132 @@ | ||
| #!/bin/bash | ||
|
|
||
| # Define colors for output | ||
| RED='\033[0;31m' | ||
| LGREEN='\033[1;32m' | ||
| PURPLE='\033[0;35m' | ||
| NC='\033[0m' # No Color | ||
| CYAN='\033[0;36m' | ||
| YELLOW='\033[1;33m' | ||
|
|
||
| CRED_FILE_NAME="credentials.yaml" | ||
| CRED_PATH="$HOME/.cloud-barista" | ||
| FILE_PATH="$CRED_PATH/$CRED_FILE_NAME" | ||
| ENCRYPTED_FILE="$FILE_PATH.enc" | ||
| TEMP_DECRYPTED_FILE="$FILE_PATH.tmp.dec" | ||
| KEY_FILE="$CRED_PATH/.tmp_enc_key" | ||
| SCRIPT_DIR=$(dirname "$(realpath "$0")") | ||
| DECRYPT_SCRIPT_PATH="$SCRIPT_DIR/decCredential.sh" | ||
|
|
||
| # Check if OpenSSL is installed | ||
| if ! command -v openssl &> /dev/null; then | ||
| echo -e "\n${RED}OpenSSL is not installed. Installation guide:${NC}" | ||
| echo -e "${LGREEN}Ubuntu/Debian:${NC} sudo apt-get install openssl" | ||
| echo -e "${LGREEN}CentOS/RHEL:${NC} sudo yum install openssl" | ||
| echo -e "${LGREEN}Fedora:${NC} sudo dnf install openssl" | ||
| echo -e "${LGREEN}Arch Linux:${NC} sudo pacman -S openssl\n" | ||
| exit 1 | ||
| fi | ||
|
|
||
| # Check if the file is already encrypted | ||
| if [ -f "$ENCRYPTED_FILE" ]; then | ||
| echo -e "\n${RED}The file is already encrypted.${NC}\n" | ||
| exit 0 | ||
| fi | ||
|
|
||
| # Check if the file to be encrypted exists | ||
| if [ ! -f "$FILE_PATH" ]; then | ||
| echo -e "\n${RED}The file to be encrypted does not exist: ${CYAN}$FILE_PATH${NC}\n" | ||
| exit 1 | ||
| fi | ||
|
|
||
| # Prompt to proceed with encryption | ||
| while true; do | ||
| echo -e "\nDo you want to encrypt the file ${CYAN}$FILE_PATH${NC}? (y/n): \c" | ||
| read -e CONFIRM | ||
| case $CONFIRM in | ||
| [Yy]* ) | ||
| break | ||
| ;; | ||
| [Nn]* ) | ||
| echo -e "\n${RED}Encryption process aborted.${NC}\n" | ||
| exit 0 | ||
| ;; | ||
| * ) | ||
| echo -e "\n${RED}Please answer yes or no.${NC}\n" | ||
| ;; | ||
| esac | ||
| done | ||
|
|
||
| # Prompt for password | ||
| echo -e "Enter a password (press ${YELLOW}enter${NC} to generate a random key): \c" | ||
| read -sp "" PASSWORD | ||
| echo | ||
| if [ -n "$PASSWORD" ]; then | ||
| read -sp "Confirm the password: " PASSWORD_CONFIRM | ||
| echo | ||
| if [ "$PASSWORD" != "$PASSWORD_CONFIRM" ]; then | ||
| echo -e "\n${RED}Passwords do not match. Encryption aborted.${NC}\n" | ||
| exit 1 | ||
| fi | ||
| TB_CRED_DECRYPT_KEY=$PASSWORD | ||
| # Delete the existing key file if any | ||
| if [ -f "$KEY_FILE" ]; then | ||
| rm "$KEY_FILE" | ||
| fi | ||
| echo -e "\n${YELLOW}Remember the password you have entered. You will need it to decrypt the file.${NC}\n" | ||
| else | ||
| # Generate a random key | ||
| TB_CRED_DECRYPT_KEY=$(openssl rand -base64 64 | tr -d '\n') | ||
| echo -e "${YELLOW}A random key has been generated for encryption.${NC}\n" | ||
| while true; do | ||
| echo -e "Do you want to ${YELLOW}save${NC} the key to a temporary file or ${LGREEN}print${NC} it to stdout? (${YELLOW}s${NC}/${LGREEN}p${NC}): \c" | ||
| read -e OUTPUT_OPTION | ||
| case $OUTPUT_OPTION in | ||
| s ) | ||
| echo "$TB_CRED_DECRYPT_KEY" > "$KEY_FILE" | ||
| echo -e "\n${LGREEN}The encryption key has been saved to: ${CYAN}$KEY_FILE${NC}" | ||
| echo -e "${RED}Warning: It is not recommended to use this temporary file continuously. Please manage the key securely and delete the file after use.${NC}" | ||
| break | ||
| ;; | ||
| p ) | ||
| echo -e "\n${LGREEN}Encryption Key: ${CYAN}$TB_CRED_DECRYPT_KEY${NC}" | ||
| echo -e "${RED}Warning: Please copy and manage the key securely. This key will not be shown again.${NC}" | ||
| # Delete the existing key file if any | ||
| if [ -f "$KEY_FILE" ]; then | ||
| rm "$KEY_FILE" | ||
| fi | ||
| break | ||
| ;; | ||
| * ) | ||
| echo -e "${RED}Please answer 's' for save or 'p' for print.${NC}" | ||
| ;; | ||
| esac | ||
| done | ||
| fi | ||
|
|
||
| # Encrypt the file | ||
| openssl enc -aes-256-cbc -salt -pbkdf2 -in "$FILE_PATH" -out "$ENCRYPTED_FILE" -pass pass:"$TB_CRED_DECRYPT_KEY" | ||
|
|
||
| if [ $? -eq 0 ]; then | ||
| # Verify encryption by decrypting the file to a temporary file | ||
| openssl enc -aes-256-cbc -d -pbkdf2 -in "$ENCRYPTED_FILE" -out "$TEMP_DECRYPTED_FILE" -pass pass:"$TB_CRED_DECRYPT_KEY" | ||
| if [ $? -eq 0 ] && cmp -s "$FILE_PATH" "$TEMP_DECRYPTED_FILE"; then | ||
| rm "$TEMP_DECRYPTED_FILE" | ||
| rm "$FILE_PATH" | ||
| echo -e "\n${YELLOW}File successfully encrypted${NC}: ${CYAN}$ENCRYPTED_FILE${NC}" | ||
| echo -e "(Original file deleted: ${CYAN}$FILE_PATH${NC})\n" | ||
| echo -e "${YELLOW}To edit the credentials,${NC}" | ||
| echo -e "Use ${CYAN}$DECRYPT_SCRIPT_PATH${NC} to decrypt the file" | ||
| echo -e "Then edit ${CYAN}$FILE_PATH${NC}\n" | ||
| else | ||
| echo -e "\n${RED}Encryption verification failed.${NC}\n" | ||
| if [ $? -ne 0 ]; then | ||
| echo -e "${RED}Decryption failed during verification.${NC}\n" | ||
| else | ||
| echo -e "${RED}File comparison failed during verification.${NC}\n" | ||
| fi | ||
| rm "$TEMP_DECRYPTED_FILE" | ||
| fi | ||
| else | ||
| echo -e "\n${RED}Failed to encrypt the file.${NC}\n" | ||
| fi |
Oops, something went wrong.