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Merge pull request #2 from LozanoMatheus/feature/auto-add-mfa-cli
Add support for AWS MFA
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| # see @ https://docs.github.com/en/repositories/managing-your-repositorys-settings-and-features/customizing-your-repository/displaying-a-sponsor-button-in-your-repository | ||
| github: LozanoMatheus | ||
| custom: ['https://www.paypal.com/donate/?hosted_button_id=GP3EDMH3CY9Y2'] |
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| #!/usr/bin/env bash | ||
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| set -eo pipefail | ||
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| [[ ! -z "${AWSECURE_CLI_AWS_BIN_FILEPATH}" ]] && declare -x AWSECURE_CLI_AWS_BIN_FILEPATH_TMP="${AWSECURE_CLI_AWS_BIN_FILEPATH}" | ||
| [[ ! -z "${AWSECURE_CLI_MUTED}" ]] && declare -lx AWSECURE_CLI_MUTED_TMP="${AWSECURE_CLI_MUTED}" | ||
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| . ~/.awsecure-cli | ||
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| [[ ! -z "${AWSECURE_CLI_AWS_BIN_FILEPATH_TMP}" ]] && declare -gx AWSECURE_CLI_AWS_BIN_FILEPATH="${AWSECURE_CLI_AWS_BIN_FILEPATH_TMP:-$AWSECURE_CLI_AWS_BIN_FILEPATH}" | ||
| [[ ! -z "${AWSECURE_CLI_MUTED_TMP}" ]] && declare -glx AWSECURE_CLI_MUTED="${AWSECURE_CLI_MUTED_TMP:-$AWSECURE_CLI_MUTED}" | ||
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| if [[ $(type awsecure_cli_log_info 2> /dev/null) == "" || -z "${AWSECURE_CLI_SRC_DIRECTORY// /}" ]]; then | ||
| [[ -L ${0} ]] && declare -gr AWSECURE_CLI_SRC_DIRECTORY="$(realpath $(readlink ${0}) | xargs dirname)/../../src" || declare -gr AWSECURE_CLI_SRC_DIRECTORY="$(realpath ${0} | xargs dirname)/../../src" | ||
| . ${AWSECURE_CLI_SRC_DIRECTORY}/common/logging.shinc | ||
| fi | ||
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| if [[ ! -z "${ZSH_NAME}" ]]; then | ||
| declare -lr AWSECURE_CLI_SH_INTERPRETER="zsh" | ||
| elif [[ ! -z "${BASH}" ]]; then | ||
| declare -lr AWSECURE_CLI_SH_INTERPRETER="bash" | ||
| else | ||
| awsecure_cli_log_error "SH Interpreter not supported or not defined" | ||
| fi | ||
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| function awsecure_cli_auto_get_first_mfa_device() { | ||
| awsecure_cli_get_user | ||
| ${AWSECURE_CLI_AWS_BIN_FILEPATH} iam list-mfa-devices --user-name "${AWSECURE_CLI_USERNAME}" | jq -r '.MFADevices[0].SerialNumber' | ||
| } | ||
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| function awsecure_cli_get_user() { | ||
| local -r AWSECURE_CLI_USER_ARN="$(${AWSECURE_CLI_AWS_BIN_FILEPATH} sts get-caller-identity | jq -r '.Arn')" | ||
| local -rg AWSECURE_CLI_USERNAME="${AWSECURE_CLI_USER_ARN//*\/}" | ||
| } | ||
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| function awsecure_cli_set_mfa_session_token() { | ||
| local -r AWSECURE_CLI_MFA_TOKEN_FILE=~/.awsecure-cli-mfa-session-token-${AWS_PROFILE// /} | ||
| local -i AWSECURE_CLI_MFA_TOKEN_DURATION="${AWSECURE_CLI_MFA_TOKEN_DURATION:-"900"}" | ||
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| awsecure_cli_mfa_check_session_age | ||
| case "${AWSECURE_CLI_MFA_CHECK_SESSION_AGE// /}" in | ||
| older|none) | ||
| awsecure_cli_log_info "Your MFA session token is older than ${AWSECURE_CLI_MFA_TOKEN_DURATION}, renewing it." | ||
| echo "Please, inform your MFA code (e.g. 123 456): " | ||
| read -t 30 -r AWSECURE_CLI_MFA_CODE_TMP | ||
| local -r AWSECURE_CLI_MFA_CODE="${AWSECURE_CLI_MFA_CODE_TMP// /}" | ||
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| local -r AWS_SESSION_TOKEN="$(${AWSECURE_CLI_AWS_BIN_FILEPATH} sts get-session-token --serial-number "${AWSECURE_CLI_MFA_AWS_ARN}" --token-code ${AWSECURE_CLI_MFA_CODE} --duration-second "${AWSECURE_CLI_MFA_TOKEN_DURATION}" | jq -r '.Credentials.SessionToken')" | ||
| : "${AWS_SESSION_TOKEN:?"Variable not set or empty"}" | ||
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| rm -f ${AWSECURE_CLI_MFA_TOKEN_FILE} | ||
| echo "AWS_SESSION_TOKEN=${AWS_SESSION_TOKEN}" > ${AWSECURE_CLI_MFA_TOKEN_FILE} | ||
| chmod 0400 ${AWSECURE_CLI_MFA_TOKEN_FILE} | ||
| ;; | ||
| newer) | ||
| awsecure_cli_log_info "Your MFA session token is newer than ${AWSECURE_CLI_MFA_TOKEN_DURATION}, reusing it." | ||
| . ${AWSECURE_CLI_MFA_TOKEN_FILE} | ||
| ;; | ||
| esac | ||
| } | ||
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| function awsecure_cli_mfa_check_session_age() { | ||
| [[ -f ${AWSECURE_CLI_MFA_TOKEN_FILE} ]] && local -lrg AWSECURE_CLI_MFA_CHECK_SESSION_AGE="$(find ${AWSECURE_CLI_MFA_TOKEN_FILE} -type f -newermt "-${AWSECURE_CLI_MFA_TOKEN_DURATION} seconds" | grep . > /dev/null 2>&1 && echo "newer" || echo "older")" || local -lrg AWSECURE_CLI_MFA_CHECK_SESSION_AGE="none" | ||
| } | ||
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| function awsecure_cli_mfa_session_token() { | ||
| awsecure_cli_mfa_check_session_age | ||
| } | ||
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| function awsecure_cli_add_mfa_check() { | ||
| local -r AWSECURE_CLI_MFA_AUTO_GET_DEVICE="${AWSECURE_CLI_MFA_AUTO_GET_DEVICE:-true}" | ||
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| case "${AWSECURE_CLI_MFA_AUTO_GET_DEVICE// /}-${AWSECURE_CLI_MFA_AWS_ARN// /}" in | ||
| true-*) | ||
| local -r AWSECURE_CLI_MFA_AWS_ARN="$(awsecure_cli_auto_get_first_mfa_device)" | ||
| awsecure_cli_set_mfa_session_token | ||
| ;; | ||
| false-arn:aws:iam*) | ||
| awsecure_cli_set_mfa_session_token | ||
| ;; | ||
| *) | ||
| awsecure_cli_log_error "Invalid values for AWSECURE_CLI_MFA_AUTO_GET_DEVICE and/or AWSECURE_CLI_MFA_AWS_ARN" | ||
| ;; | ||
| esac | ||
| } | ||
| awsecure_cli_add_mfa_check |
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