redacteur

#!/bin/bash

api_url="$JOURNALIST_API_URL"

depcheck() {
  dep="$1"
  if ! type "$dep" > /dev/null
  then
    printf "%s missing, please install\n" "$dep"
    exit 1
  fi
}

usage() {
  printf "Redacteur, the Journalist API client\n"
  printf "https://github.com/mrusme/journalist\n"
  printf "\n"
  printf "usage: %s <subcommand> [args...]\n" "$0"
  printf "\n"
  printf "SUBCOMMANDS\n"
  printf "\n"
  printf "  perform: Perform raw API call\n"
  printf "    args:\n"
  printf "    <action> on <endpoint> as <username> <password> "
  printf "[with <payload>]\n"
  printf "\n"
  printf "    action:   get, post, put, delete\n"
  printf "    endpoint: users[/<id>], tokens[/<id>], feeds[/<id>]\n"
  printf "    payload:  JSON string\n"
  printf "\n"
  printf "    env: JOURNALIST_API_URL\n"
  printf "\n"
  printf "    EXAMPLES\n"
  printf "\n"
  printf "    %s perform get \\ \n" "$0"
  printf "       on users/d83807a0-22ec-4c9f-94bf-fee5cf882d6e\\ \n"
  printf "       as admin \$(pass show journalist/admin)\n"
  printf "\n"
  printf "    %s perform post \\ \n" "$0"
  printf "       on tokens \\ \n"
  printf "       as myuser mypassword \\ \n"
  printf "       with '{ \"name\": \"mytoken\" }'\n"
  printf "\n"
  printf "  add: Helper for adding users, tokens, feeds, etc.\n"
  printf "    args:\n"
  printf "    <entity>\n"
  printf "\n"
  printf "    entity: user, token, feed\n"
  printf "\n"
  printf "    env: JOURNALIST_API_URL, JOURNALIST_API_USERNAME,\n"
  printf "         JOURNALIST_API_PASSWORD\n"
  printf "\n"
  printf "    EXAMPLES\n"
  printf "\n"
  printf "    %s add user\n" "$0"
  printf "\n"
  printf "    %s add token\n" "$0"
  printf "\n"
  printf "ENVIRONMENT\n"
  printf "\n"
  printf "  JOURNALIST_API_URL: Journalist API endpoint, "
  printf "e.g. http://127.0.0.1:8000/api\n"
  printf "  JOURNALIST_API_USERNAME: user to use for API requests\n"
  printf "  JOURNALIST_API_PASSWORD: password for API user\n"
  printf "\n"
}

perform() {
  if [ "$#" -lt 6 ]
  then
    usage
    exit 1
  fi

  action=$(printf "%s" "$1" | tr '[:lower:]' '[:upper:]')
  # "on"=$2
  endpoint="$3"
  # "as"=$4
  user="$5"
  pass="$6"
  # "with"=$7
  payload="$8"

  if [ "$payload" = "" ]
  then
    json=$(curl \
      -s \
      -u "$user:$pass" \
      -H 'Content-Type: application/json; charset=utf-8' \
      -X "$action" \
      "$api_url/$endpoint")
  else
    json=$(curl \
      -s \
      -u "$user:$pass" \
      -H 'Content-Type: application/json; charset=utf-8' \
      -X "$action" \
      "$api_url/$endpoint" \
      -d "$payload")
  fi

  if [ $? -ne 0 ]
  then
    printf "{}"
    return 1
  fi

  printf "%s" "$json"
  if printf "%s" "$json" | jq '.success' | grep "false" > /dev/null
  then
    return 2
  fi

  return 0
}

add() {
  if [ "$#" -lt 1 ]
  then
    usage
    exit 1
  fi

  case "$1" in
    "user")
      add_user
      ;;
    "token")
      add_token
      ;;
    "feed")
      add_feed
      ;;
  esac
}

add_user() {
  printf "Username: "
  read -r username
  printf "Password: "
  read -r password
  printf "Role (admin/[user]): "
  read -r role
  if [ "$role" = "" ]
  then
    role="user"
  fi

  perform post \
       on users \
       as "$JOURNALIST_API_USERNAME" "$JOURNALIST_API_PASSWORD" \
     with "{
       \"username\": \"$username\",
       \"password\": \"$password\",
       \"role\": \"$role\"
     }"
  exit $?
}

add_token() {
  printf "Token name: "
  read -r tokenname

  perform post \
       on tokens \
       as "$JOURNALIST_API_USERNAME" "$JOURNALIST_API_PASSWORD" \
     with "{
       \"name\": \"$tokenname\"
     }"
  exit $?
}

add_feed() {
  printf "URL: "
  read -r url
  printf "Name: "
  read -r feedname
  printf "Group: "
  read -r group

  perform post \
       on feeds \
       as "$JOURNALIST_API_USERNAME" "$JOURNALIST_API_PASSWORD" \
     with "{
       \"name\": \"$feedname\",
       \"url\": \"$url\",
       \"group\": \"$group\"
     }"
  exit $?
}

depcheck curl
depcheck jq

if [ "$#" -lt 1 ]
then
  usage
  exit 1
fi

subcommand="$1"

case "$subcommand" in
  "perform")
    perform "${@:2}"
    exit $?
    ;;
  "add")
    add "${@:2}"
    exit $?
    ;;
  "help")
    usage
    exit 0
    ;;
  *)
    usage
    exit 1
    ;;
esac