Cleanup

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