Bulk Emoji Uploader for Mattermost 5.x (v4 api)

mattermost-bulk-emoji-uploader.sh

#!/usr/bin/env bash

if [[ -d "${1}" ]]; then
	dir="${1}"
else
	echo "USAGE: $(basename "${0}") /path/to/emoji/folder"
	exit
fi

read -r -p "Server Hostname: " MMSERVER
read -r -p "Username: " YOUR_USERNAME
read -r -s -p "Password: " VALID_PASSWORD

curl -c cookies.txt -d "{\"login_id\":\"${YOUR_USERNAME}\",\"password\":\"${VALID_PASSWORD}\"}" "https://${MMSERVER}/api/v4/users/login" || exit
MMAUTHTOKEN=$(grep MMAUTHTOKEN cookies.txt | cut -f7)
MMUSERID=$(grep MMUSERID cookies.txt | cut -f7)

pushd "${dir}"
for filename in *.png *.jpg *.gif; do
	NAME=$(basename "${filename}" | cut -d '.' -f1)
    IMAGE="@${dir}/${filename}"
    FILENAME="${filename}"
    EMOJI="{\"name\":\"${NAME}\",\"creator_id\":\"${MMUSERID}\"}"

    curl -i -X POST -H "Authorization: Bearer ${MMAUTHTOKEN}" \
		-H "Content-Type: multipart/form-data" \
		-F "image=${IMAGE}" -F "filename=${FILENAME}" \
		-F "emoji=${EMOJI}" -k "https://${MMSERVER}/api/v4/emoji"
done
popd
rm cookies.txt