Purse Api Client

purse-client.sh

#!/bin/env bash
# Purse Api Client

# Usage:
# domain api.purse.io # sets domain, defaults to local.
# login [username]    # logs in as user.
# <url> [options]     # call out to curl with token.
#

PURSE_CLIENT_TOKEN_FILE="$HOME/.purse_client_token";
PURSE_CLIENT_URL_FILE="$HOME/.purse_client_url";

set_domain () {
	PURSE_CLIENT_BASE_URL="https://$1/api/v1";
	echo "$PURSE_CLIENT_BASE_URL" > "$PURSE_CLIENT_URL_FILE";
}

# Read url file
if [ -e "$PURSE_CLIENT_URL_FILE" ]; then
	PURSE_CLIENT_BASE_URL=$(cat "$PURSE_CLIENT_URL_FILE");
fi

# Use local dev by default
if [ -z "$PURSE_CLIENT_BASE_URL" ]; then
	set_domain "api.local.dev.purse.io";
	echo "Using: $PURSE_CLIENT_BASE_URL";
fi

first_arg="$1"; # defaut to "help"
if [ -z "$1" ]; then first_arg='help'; fi

case "$first_arg" in
	help | h)
		echo "Usage:
# domain api.purse.io # sets domain, defaults to local.
# login [username]    # logs in as user.
# <url> [options]     # call out to curl with token."
		;;
	domain | d )
		if [ -z "$2" ]; then
			# print url
			echo "$PURSE_CLIENT_BASE_URL";
		else
			# set url
			set_domain "$2";
		fi
		;;
	login | l )
		( #subshell to prevent leaking password if sourced.
			if [ -z "$2" ]; then
				echo -n "Enter email: ";
				read username;
			else
				username="$2";
			fi

			# If no '@', use username as password.
			if [[ ! "$username" =~ '@' ]]; then
				password="$username"
				username="$username@mail.com"
			else
				echo  -n "Enter password: ";
				read -s password;
				echo ""
			fi
			echo "Using: $PURSE_CLIENT_BASE_URL";
			response=$(curl -s -X POST -H 'content-type:application/json' \
				-d "{\"username\": \"$username\",\"password\": \"$password\"}" \
				"$PURSE_CLIENT_BASE_URL/auth/" "${@:2}");

			if ! [ -z "$3" ]; then # show response is there is a third flag.
				echo "RESPONSE: $response"
			fi

			# if token, save to token-file.
			if [[ "$response" =~ '"token":' ]]; then
				# pull toeken out of response
				token=$(echo "$response" | sed -n 's/.*"token": "\(.*\)".*/\1/p')
				echo "$token" > "$PURSE_CLIENT_TOKEN_FILE";
				chmod 600 "$PURSE_CLIENT_TOKEN_FILE";
			else
				echo "$response";
			fi
		)
		;;
	logout | logoff )
		echo > "$PURSE_CLIENT_TOKEN_FILE";
		;;
	*)
		token=$(cat "$PURSE_CLIENT_TOKEN_FILE")
		# echo curl -H 'content-type: application/json' \
		# 	-H "Authorization: JWT $token" \
		# 	"$PURSE_CLIENT_BASE_URL/$1" ${@:2};
		if [ -z "$token" ] ; then
			response=$(curl -s -H 'content-type:application/json' \
				"$PURSE_CLIENT_BASE_URL/$1" "${@:2}");
		else
			response=$(curl -s -H 'content-type:application/json' \
				-H "Authorization: JWT $token" \
				"$PURSE_CLIENT_BASE_URL/$1" "${@:2}");
		fi
		echo "$response"
		;;
esac