smsapi

#!/bin/bash
VERBOSE=0
OAUTH=""
SMSAPI_PL="https://api.smsapi.pl/"
SMSAPI_COM="https://api.smsapi.com/"
help() {
	echo "Usage: smsapi sms send [OPTIONS] <to> <message>"
	echo "Options:
  --service <SMSAPI_PL or SMSAPI_COM>
  --oauth <OAuth token>
  --from <string>        Sender name
  --encoding <string>    Message encoding (default:utf8)
  -f, --fast <0|1>       Fast
  -n, --normalize <0|1>  Normalize message
  -v                     Verbose"
	exit 0;
}
ARGS=( )
declare -A OPTIONS
if [ -f ./.smsapi.rc ]; then
	source ./.smsapi.rc
elif [ -f ~/.smsapi.rc ]; then
	source ~/.smsapi.rc
fi
setOption() {
	case $1 in
		"f") OPTIONS[fast]="$2" ;;
		"n") OPTIONS[normalize]="$2" ;;
		*) OPTIONS[$1]="$2";
	esac
}
setParam() {
	case $1 in
		"v") VERBOSE=$2 ;;
		"oauth") OAUTH="$2" ;;
		"service") SERVICE="$2" ;;
		*) OPTIONS[$1]="$2";
	esac
}
while [ ! -z "$1" ]; do
	if [[ $1 =~ ^-([a-zA-Z0-9])$ ]]; then
		setParam ${BASH_REMATCH[1]} 1
	elif [[ $1 =~ ^--([a-z0-9A-Z_\-]+)=(.*)$ ]]; then
		setParam ${BASH_REMATCH[1]} "${BASH_REMATCH[2]}"
	elif [[ $1 =~ ^--([a-z0-9A-Z_\-]+)$ ]]; then
		shift
		setParam ${BASH_REMATCH[1]} "$1"
	elif [[ $1 =~ ^--$ ]]; then
		shift
		ARGS[${#ARGS[@]}]="$1"
	else
		ARGS[${#ARGS[@]}]="$1"
	fi
	shift
done
rawurlencode() {
	local string="${1}"
	local strlen=${#string}
	local encoded=""
	for (( pos=0 ; pos<strlen ; pos++ )); do
		c=${string:$pos:1}
		case "$c" in
			[-_.~a-zA-Z0-9]) o="${c}" ;;
			*) printf -v o '%%%02x' "'$c"
		esac
		encoded+="${o}"
	done
	echo "${encoded}"
}
verbose() {
	if [ $VERBOSE == 1 ]; then
		echo "$@" 1>&2
	fi
}
sms_send() {
	local url="${!SERVICE}sms.do"
	local params=()
	params[${#params[@]}]=to=$(rawurlencode "$1")
	params[${#params[@]}]=message=$(rawurlencode "$2")
	if [ ! -z ${OPTIONS[normalize]} ] && [ ${OPTIONS[normalize]} -eq 1 ]; then
		params[${#params[@]}]="normalize=1"
	fi
	if [ ! -z ${OPTIONS[encoding]} ]; then
		params[${#params[@]}]="encoding=${OPTIONS[encoding]}"
	else
		params[${#params[@]}]="encoding=utf8"
	fi
	if [ ! -z "${OPTIONS[from]}" ]; then
		local fromName=$(rawurlencode "${OPTIONS[from]}")
		params[${#params[@]}]="from=${fromName}"
	fi
	if [ ! -z ${OPTIONS[fast]} ] && [ ${OPTIONS[fast]} -eq 1 ]; then
		params[${#params[@]}]="fast=1"
	fi
	verbose "${params[@]}"
	local data=$( printf "&%s" "${params[@]}" )
	data=${data:1}
	token=${OAUTH}
	RESULT=$(curl "$url" -A "smsapi/bash-client" --header "Authorization: Bearer $token" -d "$data" -s -S 2>&2)
	echo $RESULT
}
if [ ${#ARGS[@]} -lt 2 ]; then help; fi
COMMAND="${ARGS[0]}"
ACTION="${ARGS[1]}"
ARGS=("${ARGS[@]:2}")
if [ "$COMMAND" == "sms" ]; then
	if [ "$ACTION" == "send" ]; then
		sms_send "${ARGS[0]}" "${ARGS[1]}"
	else 
		help "$COMMAND"
	fi
else
	help
fi