simple "wrapper" around https://git.ao2.it/conversations_http_downloader.git/blob/HEAD:/README JABBER

aesgcm

#!/bin/bash
#ENJOY 
DL(){
conversations_http_downloader.py "$a"
}

#We are in /tmp?
if ! [[ "$PWD"  == '/tmp' ]]
then
echo 'Go to  /tmp'
cd /tmp || exit 
fi

#Mayby we will use this like aesgcm "aesgcm://" ?  and test mayby we have this file ;)
if [[ $# -eq 1 ]] && [[ ! -e "$(awk -F"#" '{print $1}' <<< "$@" | awk -F "/" '{print $7}')" ]] 
 then
  #get name of file and store it in "$REPLY"
  read -r <<< "$(awk -F"#" '{print $1}' <<< "$@" | awk -F "/" '{print $7}')"
  conversations_http_downloader.py "$@"
     feh "$REPLY" 
      rm "$REPLY"

elif [[ $# -eq  1 ]]  && [[ -e "$(awk -F"#" '{print $1}' <<< "$@" | awk -F "/" '{print $7}')" ]]
 then
     feh "$REPLY"
      rm -rf "$REPLY"  && echo "rm $REPLY"
      else

"http://host.tld/path/to/file.jpg#theivandkey"
#RUN IN LOOP read link, download, open remove and again ;)
while true
 do
  echo 'Please write aesgcm://URL
 read  -r a
   read -r <<< "$(awk -F"#" '{print $1}' <<< "$a" | awk -F "/" '{print $7}')"

if [ -e "$REPLY" ]
 then
feh "$REPLY"
rm -rf  "$REPLY" && echo "Removing $REPLY"

else  #DOWNLOAD $a, open it and remove after this 
DL "$a"
 OP "$REPLY"
  rm -rf "$REPLY" && echo  "Removing $REPLY"

fi #2nd IF
done #WHILE
fi #IF inside WHILE LOOP