omemo-gajim-to-dino.sh

#!/bin/bash

account=$1

if [[ "" == "$account" ]]; then
    echo "Usage:"
    echo "  $(basename $0) ACCOUNT"
    echo "Transfer OMEMO key from Gajim account with JID ACCOUNT to Dino"
    exit 1
fi

dino_account_id=$(sqlite3 ~/.local/share/dino/dino.db "SELECT id FROM account WHERE bare_jid='$account'")

private_key=$(sqlite3 -newline '' ~/.local/share/gajim/omemo_$account.db "SELECT private_key FROM identities where recipient_id=-1" | base64)
public_key=$(sqlite3 -newline '' ~/.local/share/gajim/omemo_$account.db "SELECT public_key FROM identities where recipient_id=-1" | base64)

echo "OMEMO identity for $account in Gajim is:"
echo -n "  "
echo -n "$public_key" | base64 -d | od -vt x1 -j1 | awk '{$1="";print}' | xargs echo | sed 's/[ \n]//g' | sed 's/\(........\)/\1 /g'
echo -n "Continue? (y/n) [y] "
read confirm
if [[ "n" == "$confirm" ]]; then
    echo "Abort."
    exit 2
fi

old_public_key=$(sqlite3 ~/.local/share/dino/omemo.db "SELECT identity_key_public_base64 FROM identity WHERE account_id=$dino_account_id")
if [[ "" != "$old_public_key" ]]; then
    echo "OMEMO identity in Dino already set up as:"
    echo -n "  "
    echo -n "$old_public_key" | base64 -d | od -vt x1 -j1 | awk '{$1="";print}' | xargs echo | sed 's/[ \n]//g' | sed 's/\(........\)/\1 /g'
    echo -n "Overwrite? (y/n) [n] "
    read confirm
    if [[ "y" != "$confirm" ]]; then
        echo "Abort."
        exit 2
    fi
    
    sqlite3 ~/.local/share/dino/omemo.db "UPDATE identity SET identity_key_private_base64='$private_key', identity_key_public_base64='$public_key' WHERE account_id=$dino_account_id" && echo "Done." || echo "Failed."
else
    device_id=$(dd if=/dev/urandom count=3 bs=1 2>/dev/null | od -t d | awk '{$1="";print}')
    echo "Configuring new device id $device_id for $account"
    sqlite3 ~/.local/share/dino/omemo.db "INSERT INTO identity(account_id,device_id,identity_key_private_base64,identity_key_public_base64) VALUES($dino_account_id,$device_id,'$private_key','$public_key')" && echo "Done." || echo "Failed."
fi