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-rwxr-xr-xlib/_ak_zblock192
1 files changed, 189 insertions, 3 deletions
diff --git a/lib/_ak_zblock b/lib/_ak_zblock
index cb6af36..324d3aa 100755
--- a/lib/_ak_zblock
+++ b/lib/_ak_zblock
@@ -26,10 +26,196 @@ _ak_zblock_show(){
else
entrance="$(cat $AK_ZLATEST)"
fi
- ak-enter -l 1 "$entrance" > "$AK_CACHEDIR/fzblocks/$entrance"
+ # ak-enter -l 1 "$entrance" > "$AK_CACHEDIR/fzblocks/$entrance"
+ # Check if $zblock exists as variable
+ if [ ! -v $zblock ]
+ then
+ # Check if it is not our seed cause if it is we skip this part
+ if [ "$zblock" != "$seed" ]
+ then
+ # Reset timestamp since it's introduced later
+ timestamp=''
+ # Announce to logs which ZBLOCK is being read at the moment
+ logit "INFO" "Examining $zblock"
+
+ _ak_ipfs_cid_v0_check "$zblock"
+
+ # We check if any $zblock at all
+ _ak_ipfs_cat $zblock | jq -c -M > $AK_ZBLOCKDIR/$zblock
+ if [ "$?" -ne 0 ]
+ then
+ logit "ERROR" "ZBLOCK $zblock READ failed"
+ exit 1
+ fi
+ logit "INFO" "ZBLOCK $zblock READ"
+ echo -n '{'
+# echo -n '"id":"'$counter'",'
+ echo -n '"zblock":"'$zblock'",'
+
+ # If it's JSON formated
+ cat $AK_ZBLOCKDIR/$zblock | jq -M > /dev/null 2>&1
+ if [ $? -ne 0 ]
+ then
+ logit "ERROR" "ZBLOCK $zblock is not JSON"
+ cat /dev/null > $AK_ZBLOCKDIR/$zblock > /dev/null 2>&1
+ exit 1
+ fi
+ logit "INFO" "ZBLOCK $zblock is JSON"
+
+ # Be sure that there are the expected values
+ # We need 'block' and 'block_signature' inside a 'zblock'
+ # Exit if any is missing
+ block="$(cat $AK_ZBLOCKDIR/$zblock | jq -M -r .block)"
+ if [ "$block" == "null" ]
+ then
+ logit "ERROR" "ZBLOCK $zblock has no block"
+ exit 1
+ fi
+ _ak_ipfs_cid_v0_check "$block"
+ logit "INFO" "ZBLOCK $zblock has block"
+
+ block_signature="$(cat $AK_ZBLOCKDIR/$zblock | jq -M -r .block_signature)"
+ if [ "$block_signature" == "null" ]
+ then
+ logit "ERROR" "ZBLOCK $zblock doesn't contain a block_signature"
+ exit 1
+ fi
+ _ak_ipfs_cid_v0_check "$block_signature"
+ logit "INFO" "ZBLOCK $zblock contains a block_signature"
+
+ # Same as above applies to BLOCK and DATA subparts of each ZBLOCK
+ # BLOCKS
+ echo -n '"block":"'$block'",'
+ _ak_ipfs_cat $block | jq -c -M > $AK_BLOCKDIR/$block
+ cat $AK_BLOCKDIR/$block | jq -M > /dev/null 2>&1
+ if [ "$?" -ne 0 ]
+ then
+ logit "ERROR" "BLOCK $block READ failed"
+ exit 1
+ fi
+
+ grep -e 'timestamp' -e 'gpg' -e 'data' -e 'action' -e 'detach' -e 'previous' $AK_BLOCKDIR/$block > /dev/null 2>&1
+ if [ "$?" -ne 0 ]
+ then
+ logit "ERROR" "BLOCK $block is NOT a valid block"
+ exit 1
+ fi
+ logit "INFO" "BLOCK $block is a block"
+
+ action="$(cat $AK_BLOCKDIR/$block | jq -M -r .action)"
+ module="$(echo $action | sed -e 's/\// /g' | awk '{ print $1 }')"
+ logit "INFO" "DATA is $module module."
+
+ command="$(echo $action | sed -e 's/\// /g' | awk '{ print $2 }')"
+ logit "INFO" "COMMAND is $command"
+
+ timestamp="$(cat $AK_BLOCKDIR/$block | jq -M -r .timestamp)"
+ if [ "$timestamp" != "null" ]
+ then
+ echo -n '"timestamp":"'$timestamp'",'
+ fi
+
+ echo -n '"block_signature":"'$block_signature'",'
+
+ detach="$(cat $AK_BLOCKDIR/$block | jq -M -r .detach)"
+ echo -n '"detach":"'$detach'",'
+
+ echo -n '"module":"'$module'",'
+
+ echo -n '"action":"'$command'",'
+
+ gpg="$(cat $AK_BLOCKDIR/$block | jq -M -r .gpg)"
+ echo -n '"gpg":"'$gpg'",'
+
+ if [ $verify == 1 ]
+ then
+ _ak_ipfs_get $gpg > /dev/null 2>&1
+ if [ "$?" -ne 0 ]
+ then
+ logit "ERROR" "Could not get GPG key: $gpg ."
+ exit 1
+ fi
+ _ak_gpg_key_import_from_file $gpg > /dev/null 2>&1
+ if [ "$?" -ne 0 ]
+ then
+ logit "ERROR" "Could not import GPG key: $gpg ."
+ exit 1
+ fi
+ _ak_ipfs_get $block_signature > /dev/null 2>&1
+ if [ "$?" -ne 0 ]
+ then
+ logit "ERROR" "Error while getting $block_signature for $block"
+ exit 1
+ fi
+ mv $block_signature $block.asc
+ logit "INFO" "Block signature downloaded"
+
+ _ak_ipfs_get $block > /dev/null 2>&1
+ if [ "$?" -ne 0 ]
+ then
+ logit "ERROR" "Could not get $block block"
+ exit 1
+ fi
+ logit "INFO" "Downloaded block $block."
+
+ _ak_gpg_verify_signature $block.asc $block > /dev/null 2>&1
+ if [ "$?" -ne 0 ]
+ then
+ logit "ERROR" "Could not verify $block with GPG key $gpg."
+ exit 1
+ fi
+ logit "GPG" "$gpg signature of $block is verified."
+ fi
+
+ data="$(cat $AK_BLOCKDIR/$block | jq -M -r .data)"
+ _ak_ipfs_cid_v0_check "$data"
+ ak-data-expand $data $gpg
+ if [ "$?" -ne 0 ]
+ then
+ logit "ERROR" "Failed on data signature verification [data: $data, gpg: $gpg, zblock: $zblock]"
+ exit 1
+ fi
+
+ # DATA
+ # Only print to stdout
+ # _ak_ipfs_cat $data
+ touch $AK_DATADIR/$data
+
+ # Now, since we sourced the BLOCK to our terminal, we can search
+ # for $previous variable. In case we don't find one, we append one
+ # and we exit.
+ previous="$(cat $AK_BLOCKDIR/$block | jq -M -r .previous)"
+ if [ -v $previous ]
+ then
+ logit "WARNING" "Block $block has no previous zblock, appending pseudo genesis to exit with 2."
+ echo -n '"previous":"'$seed'"},{"genesis":"genesis"}]'
+ logit "INFO" "Reached pseudo-genesis, counted $counter zblocks."
+ exit 2
+
+ # Otherwise, we inform of the sequence
+ else
+ #echo "$zblock after $previous"
+ logit "INFO" "Found a previous block for $zblock: $previous"
+ echo -n '"previous":"'$previous'"}'
+ zblock=$previous
+ fi
+
+ # Now check if it is equal to the seed
+ # which apparently means we reached the seed.
+ elif [ "$zblock" == "$seed" ]
+ then
+ echo -n '{"genesis":"genesis"}]'
+ logit "INFO" "Reached $seed, counted $counter zblocks."
+ exit 0
+ fi
+ # And finally, if nothing is there exit with error
+ else
+ echo "Check not passed... No previous IPFS CID"
+ exit 1
+ fi
}
+
# _ak_zblock_manipulator(){
-# #!/bin/bash
# # This file describe the structure of the ArchingKaos messages in their basis.
# #
# # As previously thought, we exchange one IPFS hash through whatever means we can.
@@ -197,7 +383,7 @@ _ak_zblock_gen_html(){
fi
arg="$(mktemp)"
- ak-enter -l 1 "$1" | jq '.[]' > $arg
+ _ak_zblock_show "$1" | jq > $arg
( \
# Create HTML document