bash upload custom emojis to Rocket.Chat

rocketchat_emoji_upload.sh

#!/usr/bin/env bash

: '

Get your yamls at https://github.com/amtypaldos/rocketchat-emoji-upload#emoji-packs
Create Personal Access Token at https://rocketchat.example.com/account/tokens

Usage: ./rocketchat_emoji_upload.sh $LINK_TO_YAML $RC_URL $RC_AUTHTOKEN $RC_USERID

Details https://rocket.chat/docs/developer-guides/rest-api/emoji-custom/

'


set -euo pipefail

command -v curl
command -v jq
command -v yq

YAML_PACK="${1}"
RC_URL="${2}"
RC_AUTHTOKEN="${3}"
RC_USERID="${4}"

pack_to_json() { curl -fsSLo- ${1} | yq read - -j; }

post_new_emoji() {
	EMOJI_NAME=${1}
	EMOJI_FILE=${2}
	EMOJI_PACK=${3}
	curl -fS \
		--header "X-Auth-Token: ${RC_AUTHTOKEN}" \
		--header "X-User-Id: ${RC_USERID}" \
		--form "emoji=@${EMOJI_FILE}" \
		--form "name=${EMOJI_NAME}" \
		--form "aliases=${EMOJI_PACK}-${EMOJI_NAME}" \
		"${RC_URL}/api/v1/emoji-custom.create"
}

JSON_PACK="$(pack_to_json ${YAML_PACK})"

EMOJI_PACK="$(echo $JSON_PACK | jq -cr '.title')"

_TMPDIR="$(mktemp -d)"

for _emoji_json in $(echo ${JSON_PACK} | jq -cr '.emojis[]'); do
	_name="$(echo ${_emoji_json} | jq -cr '.name')"
	_link="$(echo ${_emoji_json} | jq -cr '.src')"
	_fname="$(basename ${_link})"
	echo -e "Downloading ${_name} from ${_link}..\\n"
	curl -fsSLo "${_TMPDIR}/${_fname}" "${_link}"
	echo -e "Uploading ${_name} to Rocket.Chat..\\n"
	post_new_emoji "$_name" "${_TMPDIR}/${_fname}" "${EMOJI_PACK}" || echo "FAILED"
	echo
done