diff options
Diffstat (limited to 'bin/ak-pack_z_block')
| -rwxr-xr-x | bin/ak-pack_z_block | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/bin/ak-pack_z_block b/bin/ak-pack_z_block new file mode 100755 index 0000000..71aa4b7 --- /dev/null +++ b/bin/ak-pack_z_block @@ -0,0 +1,166 @@ +#!/bin/bash +# This file describe the structure of the ArchingKaos messages in their basis. +# +# As previously thought, we exchange one IPFS hash through whatever means we can. +# +# GPG is mentioned as a signing algorithm for encryption, decryption and signing. +# Let's say we have a file named as `example` +# +# We can extend this with calling the encoder and further send the transaction +# + +#FINGERPRINT="CHANGE THIS TO YOUR DEFAULT FINGERPRINT" +# We acquire the GPG fingerprint by email address +# The following example finds kaos@kaos.kaos' GPG fingerprint like this +# FINGERPRINT="$(gpg2 --list-keys | grep kaos@kaos.kaos -1 | head -n1 | awk '{print $1}')" + +PROGRAM="$(basename $0)" + +# Logging patch +logit(){ + logthis "<$PROGRAM>" "$1" "$2" +} + +# Below, the usage information +usage(){ + echo "" + echo "Usage:" + echo "$PROGRAM <action> <data_file>" + echo "" + echo " Creates and publishes a ZBLOCK based on ACTION and DATA file." + echo "" + echo " action An action for the render to grasp" + echo " data_file A data file that according to the action is valid" + echo "" + echo "#TODO:" + echo "implement flags to change the inputs so we can manufacture" + echo "zblocks directly from IPFS hashes refering to blocks." +} + + +main(){ + # We check firstly if the encapsulated value of the "ipfs" key has already + # appeared in the zchain. + TO_CHECK="$(cat $MESSAGE | jq | grep ipfs | awk '{print $2}' | sed -e 's/"//g;s/,//g')" + enter | jq | grep ipfs | awk '{print $2}' | sed -e 's/"//g;s/,//g' | sort | uniq > tempisalreadythere + while IFS="" read -r p || [ -n "$p" ] + do + if [ "$p" == "$TO_CHECK" ] + then + logit "[ERROR]" "Value $TO_CHECK already mentioned on the zchain" + exit 1 + fi + done < tempisalreadythere + rm tempisalreadythere + + logit "[INFO]" "We are doing" $ACTION "with content" $MESSAGE + # We add it to IPFS + MESSAGE_HASH=$(ipfs add -q $MESSAGE) + + # We create a detached and armor signature of it + MESSAGE_SIGN_FILE=$MESSAGE".asc" + gpg2 --detach-sign --sign-with $FINGERPRINT --armor --output $MESSAGE_SIGN_FILE $MESSAGE + + # We add the signature to IPFS + MESSAGE_SIGNATURE=$(ipfs add -q $MESSAGE_SIGN_FILE) + + # We will be using our public key also to put it in the block later + KEY="gpg.pub" + gpg2 --armour --output $KEY --export $FINGERPRINT + GPG_PUB_KEY=$(ipfs add -q $KEY) + + # Acquire last block of information, to chain this one with previous posted + PREVIOUS=$(ipfs files stat /zlatest | head -n 1) + + # We create a block of json like this: + cat > block <<EOF +{ + "timestamp":"$(date -u +%s)", + "action":"$ACTION", + "data":"$MESSAGE_HASH", + "detach":"$MESSAGE_SIGNATURE", + "gpg":"$GPG_PUB_KEY", + "previous":"$PREVIOUS" +} +EOF + BLOCK="block" + BLOCK_SIG=$BLOCK".asc" + # We have a block now, so we sign it + gpg2 --detach-sign --sign-with $FINGERPRINT --armor --output $BLOCK_SIG $BLOCK + + # We now add the signature to IPFS + BLOCK_SIGNATURE=$(ipfs add -q $BLOCK_SIG) + + # We also add the block! + BLOCK=$(ipfs add -q $BLOCK) + + # So we now do the think almost again + cat > zblock << EOF +{ + "block":"$BLOCK", + "block_signature":"$BLOCK_SIGNATURE" +} +EOF + ZBL="zblock" + # and we add it on IPFS + ZBLOCK=$(ipfs add -q $ZBL) + echo $ZBLOCK +} + +if [ ! -z $2 ]; +then + PWD="$(pwd)" + MESSAGE="$PWD/$2" + ACTION="$1" + if [ -f "$MESSAGE" ]; then + main + else + logit "[ERROR]" "File does not exist. Aborting..." + exit 1 + fi + + # cat $PWD/zblock | json_pp + # Optional or extending with + # python send_as_ak_tx $ZBLOCK + # or for "offline" use + echo $ZBLOCK > $ZLATEST + ipfs name publish --key=zchain $ZBLOCK > /dev/null 2>&1 + if [ "$?" -ne 0 ] + then + logit "[ERROR]" "Failed publishing ZBLOCK: $ZBLOCK" + exit 1 + fi + ipfs files ls /zarchive > /dev/null 2>&1 + if [ "$?" -ne 0 ] + then + logit "[WARNING]" "/zarchive does not exist" + ipfs files mkdir /zarchive > /dev/null 2>&1 + if [ "$?" -ne 0 ] + then + logit "[ERROR]" "Could not create /zarchive directory. Aborting." + exit 1 + fi + fi + ipfs files cp /zlatest /zarchive/$(date -u +%s)-$(ipfs files stat /zlatest | head -n 1) > /dev/null 2>&1 + if [ "$?" -ne 0 ] + then + logit "[ERROR]" "Could not back up previous /zlatest" + exit 1 + fi + ipfs files rm /zlatest > /dev/null 2>&1 + if [ "$?" -ne 0 ] + then + logit "[ERROR]" "Could not remove previous /zlatest" + exit 1 + fi + ipfs files cp /ipfs/$ZBLOCK /zlatest > /dev/null 2>&1 + if [ "$?" -ne 0 ] + then + logit "[ERROR]" "Could not copy $ZBLOCK to /zlatest" + exit 1 + fi +else + usage + exit 0 +fi + |