diff options
Diffstat (limited to 'bin/enter')
| -rwxr-xr-x | bin/enter | 277 |
1 files changed, 0 insertions, 277 deletions
diff --git a/bin/enter b/bin/enter deleted file mode 100755 index 584d0e0..0000000 --- a/bin/enter +++ /dev/null @@ -1,277 +0,0 @@ -#!/bin/bash -# enter -# -# Using this tool, we can seek a whole zchain, if available from -# an IPFS CID or an IPNS link. -# -# Default (no arguments) will retrieve the local ZCHAIN starting -# from the IPFS CID stored in the file that is tracked by the -# $ZLATEST environment variable. -# -# enter [-n IPNS_LINK] -# enter [IPFS CID] -# enter -nV -# enter -# -# Returns a JSON array representing the chain retrieved. -# Logs messages to $LOGSFILE. - -PROGRAM="$(basename $0)" - -logit(){ - logthis "<$PROGRAM>" "$1" "$2" -} - -usage(){ - echo "$PROGRAM - Crawl an arching kaos chain" - echo "-----------------------------------" - echo "Usage:" - echo " --help, -h Print this help and exit" - echo " --chain <ipns-link>, -n <ipns-link> Crawl specified chain" - echo " --no-verify, -nV Don't verify signatures" - echo " <ipfs-link> Specify IPFS CID for entrance" - echo "" - echo "Note that combined flags don't work for now" - echo "Running with no flags crawls your chain based on ZLATEST environment variable" -} -# Start of tests -#entrance="QmW5WVXCJfhb4peHG6cbEdamC24vZzMX2Vz386vpENh38U" -#entrance="QmNjQq7GkuXGF8kFT1z2Mv3i4JhY7sBXVUmHDiR1zkQjoE" -#entrance="QmbFMke1KXqnYyBBWxB74N4c5SBnJMVAiMNRcGu6x1AwQH" -# End of tests -verify=1 -if [ ! -z "$1" ] && [ "$1" == "-h" ] || [ "$1" == "--help" ] -then - usage - exit -elif [ ! -z "$1" ] && [ "$1" == "-nV" ] || [ "$1" == "--no-verify" ] -then - verify=0 - entrance="$(cat $ZLATEST)" -elif [ ! -z "$1" ] && [ "$1" == "-n" ] -then - entrance="$(ipns-resolve $2)" -elif [ ! -z "$1" ] -then - echo $1 | grep -e 'Qm.\{44\}' >/dev/null - if [ "$?" -ne 0 ] - then - logit "[ERROR]" "Argument provided was not an IPFS CIDv0 string" - exit 1 - fi - entrance="$1" -else - # By default we enter from the latest block - # We can alter this by changing this value - entrance="$(cat $ZLATEST)" -fi -# We assign the IPFS CIDv0 of an empty file as this is used -# as our GENESIS block, hence the "seed" that the tree grows -# from. -seed="$(cat $ZGENESIS)" - -# We assume that we found the entrance inside a block, hence -# ZBLOCK is labeled as previous -zblock="$entrance" - -# Enter temp folder -TEMPASSIN="/tmp/aktmp_$(date -u +%s)" -mkdir $TEMPASSIN -cd $TEMPASSIN -counter=0 -# The loop -# We break the loop from inside the loop -while true -do - if [ $counter == 0 ] - then - echo -n '[' - fi - counter=$(expr $counter + 1) - # 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 $zblock" - echo -n '{"zblock":"'$zblock'",' - - # We concatenate the zblock's contents, pipe - # them through filter json2bash and output - # them to tmp-file - # - # We check if any $zblock at all - ipfs --timeout=10s cat $zblock > /dev/null 2>&1 - if [ "$?" -ne 0 ] - then - logit "[ERROR]" "ZBLOCK $zblock READ failed" - exit 1 - fi - logit "[INFO]" "ZBLOCK $zblock READ" - - # If it's JSON formated - ipfs --timeout=10s cat $zblock | json_pp > /dev/null 2>&1 - if [ "$?" -ne 0 ] - then - logit "[ERROR]" "ZBLOCK $zblock is not JSON" - exit 1 - fi - logit "[INFO]" "ZBLOCK $zblock is JSON" - - # Then we pass it through the filter and save it - ipfs --timeout=10s cat $zblock | json2bash > $TEMPASSIN/tmp-zblock - - # Be sure that there are the expected values - # We need 'block' and 'block_signature' inside a 'zblock' - # Exit if any is missing - grep -e 'block_signature' $TEMPASSIN/tmp-zblock > /dev/null 2>&1 - if [ "$?" -ne 0 ] - then - logit "[ERROR]" "ZBLOCK $zblock doesn't contain a block_signature" - exit 1 - fi - logit "[INFO]" "ZBLOCK $zblock contains a block_signature" - - grep -e 'block=' $TEMPASSIN/tmp-zblock > /dev/null 2>&1 - if [ "$?" -ne 0 ] - then - logit "[ERROR]" "ZBLOCK $zblock has no block" - exit 1 - fi - logit "[INFO]" "ZBLOCK $zblock has block" - - # We create files named after each ZBLOCK IPFS CID for later - # reference. Files are empty. - touch $ZBLOCKDIR/$zblock - logit "[INFO]" "Created reference" - - # Supposingly you are on a safe environment and you only have - # access to your chain, I would consider mild secure to source - # the files into your bash. - # File an issue/pull request if you think it can be done better!! - source $TEMPASSIN/tmp-zblock - logit "[INFO]" "ZBLOCK SOURCED" - - # Same as above applies to BLOCK and DATA subparts of each ZBLOCK - # BLOCKS - echo -n '"block":"'$block'",' - ipfs --timeout=10s cat $block | json2bash > $TEMPASSIN/tmp-block - if [ "$?" -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' $TEMPASSIN/tmp-block > /dev/null 2>&1 - if [ "$?" -ne 0 ] - then - logit "[ERROR]" "BLOCK $block is NOT a valid block" - exit 1 - fi - logit "[INFO]" "BLOCK $block is a block" - - source $TEMPASSIN/tmp-block - logit "[INFO]" "BLOCK $block SOURCED" - touch $BLOCKDIR/$block - logit "[INFO]" "BLOCK REFERENCED" - 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" - if [ ! -v $timestamp ] - then - echo -n '"timestamp":"'$timestamp'",' - fi - echo -n '"block_signature":"'$block_signature'",' - echo -n '"detach":"'$detach'",' - echo -n '"module":"'$module'",' - echo -n '"action":"'$command'",' - echo -n '"gpg":"'$gpg'",' - if [ $verify == 1 ] - then - ipfs get $gpg > /dev/null 2>&1 - if [ "$?" -ne 0 ] - then - logit "[ERROR]" "Could not get GPG key: $gpg ." - exit 1 - fi - gpg2 --import $gpg > /dev/null 2>&1 - if [ "$?" -ne 0 ] - then - logit "[ERROR]" "Could not import GPG key: $gpg ." - exit 1 - fi - 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" - 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." - gpg2 --verify $block.asc > /dev/null 2>&1 - if [ "$?" -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 - 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 (but we don't source it's stuff) - # Only print to stdout - #ipfs --timeout=10s cat $data - touch $DATADIR/$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. - if [ -v $previous ] - then - logit "[WARNING]" "Block $block has no previous zblock, appending pseudo genesis to exit gracefully." - echo -n '"previous":"genesis"},{"genesis":"genesis"}]' - logit "[INFO]" "Reached pseudo-genesis, counted $counter zblocks." - exit 0 - - # Otherwise, we inform of the sequence - else - #echo "$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" == "$seed" ] - then - #echo "$zblock is GENESIS block" - #echo '"'$zblock'":{ "GENESIS":"GENESIS"}] ' - 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 -done |