diff options
| -rwxr-xr-x | bin/ak-fs | 34 | ||||
| -rwxr-xr-x | bin/ak-fs-add | 239 | ||||
| -rwxr-xr-x | bin/ak-fs-cat | 103 | ||||
| -rwxr-xr-x | bin/ak-fs-get | 107 | ||||
| -rwxr-xr-x | lib/_ak_fs | 345 |
5 files changed, 379 insertions, 449 deletions
diff --git a/bin/ak-fs b/bin/ak-fs new file mode 100755 index 0000000..10ff912 --- /dev/null +++ b/bin/ak-fs @@ -0,0 +1,34 @@ +#!/bin/bash +## +## Tools to add, get and cat files to/from the Arching Kaos File System +## +## Usage: +## +## -h, --help Prints this help message +## +## --add, --import <file> Adds/Imports a file to the AKFS system +## +## --get, --export <hash> <output file> Exports a file from the AKFS system +## +## --cat <hash> Concatenates from given hash +## +fullprogrampath="$(realpath $0)" +PROGRAM=$(basename $0) +descriptionString="AKFS tools" + +# At least these +source $AK_LIBDIR/_ak_log +source $AK_LIBDIR/_ak_script +source $AK_LIBDIR/_ak_fs + +# Flags to run +if [ ! -z $1 ]; then + case $1 in + -h | --help) _ak_usage; exit;; + --add|--import) _ak_fs_import $2; exit;; + --get|--export) _ak_fs_export $2 $3; exit;; + --cat) _ak_fs_cat $2; exit;; + * ) _ak_usage;; + esac +else _ak_usage +fi diff --git a/bin/ak-fs-add b/bin/ak-fs-add deleted file mode 100755 index 50833ea..0000000 --- a/bin/ak-fs-add +++ /dev/null @@ -1,239 +0,0 @@ -#!/bin/bash -# -# The concept is bit more complicated now -# -# 1. For a given file we split in 4KB files inside a temporary directory -# -# 2. We then create a map file and a merkle tree containing the resulted files -# and their sha512sum. -# -# 3. We move the splitted files to our $CHKDIR named after their checksums -# -# 4. We move the merkle tree pairs to $MERKLEDIR -# -# We ultimately want to be seeding the file so -# -# 4. We append the checksum of the original file with its name into the map file -# -# 5. We rename the map file after its checksum and move it to maps directory -# -# 6. We are done! -# - -# Uncomment next line if you want to debug -# set -xe -PROGRAM="$(basename $0)" -source $AK_LIBDIR/_ak_fs -source $AK_LIBDIR/_ak_log - -if [ ! -f "$1" ] -then - _ak_log_error "File $1 not found" - exit 1 -else - # TODO - # Side hustle, save the original hash and original filename - # This won't be expected in general - # The idea is: - # sha256sum as quick pointer to root of the tree - # - base64 $1 > file - FILE="file" -fi - -# The directory where the chunked data will be living at -CHKDIR="$AK_WORKDIR/ftr" -# The directory for the map files so we can reconstruct the file -FILEMAPSDIR="$AK_WORKDIR/fmp" -# Merkle tree file/references -MERKLEDIR="$AK_WORKDIR/fmrk" -# A temporary root dir to work on -TEMPORARYDIR="$(ak-tempassin)" -# A subdir to split the files there -TECHDIR="$TEMPORARYDIR/chks" -# A pin point to return from where we came from -CURRENTDIR="$(pwd)" - -# Our snippet for logging debug info -source $AK_LIBDIR/_ak_log - -# Checking directories and create them if necessary -rm -rf $TEMPORARYDIR - -# TECHDIR -if [ ! -d "$TECHDIR" ] -then - mkdir -p "$TECHDIR" - if [ $? -eq 0 ] - then - _ak_log_info "Folder $TECHDIR created!" - else - _ak_log_error "Problem occured while creating $TECHDIR" - exit 1 - fi -else - _ak_log_info "Temp dir found" -fi - -# FILEMAPSDIR -if [ ! -d "$FILEMAPSDIR" ] -then - mkdir -p "$FILEMAPSDIR" - if [ $? -eq 0 ] - then - _ak_log_info "Folder $FILEMAPSDIR created!" - else - _ak_log_error "Problem occured while creating $FILEMAPSDIR" - exit 1 - fi -else - _ak_log_info "Mapsdir found" -fi - -# CHKDIR -if [ ! -d "$CHKDIR" ] -then - mkdir -p "$CHKDIR" - if [ $? -eq 0 ] - then - _ak_log_info "Folder $CHKDIR created!" - else - _ak_log_error "Problem occured while creating $CHKDIR" - exit 1 - fi -else - _ak_log_info "Workdir found" -fi - -# MERKLEDIR -if [ ! -d "$MERKLEDIR" ] -then - mkdir -p "$MERKLEDIR" - if [ $? -eq 0 ] - then - _ak_log_info "Folder $MERKLEDIR created!" - else - _ak_log_error "Problem occured while creating $MERKLEDIR" - echo "ERROR Can't create $MERKLEDIR" - exit 1 - fi -else - _ak_log_info "Workdir found" -fi -# Uncomment next line in case you want to debug the resulting script as well -# echo 'set -xe' > $TEMPORARYDIR/cmd_queue.sh - -# We get the SHA512 hash for the $FILE given -CHECKSUM=$(sha512sum "$FILE"|awk '{print $1}') -FILE_SIZE="$(du -b $FILE | awk '{ print $1 }')" -if [ $FILE_SIZE -lt 4097 ] -then - cp $FILE "$TECHDIR/$(basename "$FILE")-00000000000000000000000000000000000000000000000000.chk" -else - FACTOR=1024 - while [ $(( $FILE_SIZE / $FACTOR )) -gt 250 ] - do - FACTOR=$(( $FACTOR * 2 )) - done - _ak_log_info "Gonna split in $FACTOR size" - sleep 30 - # We split the file into 4*1024 bytes and output the chunks into TECHDIR - split -a 50 -b $FACTOR --additional-suffix ".chk" -d "$FILE" "$TECHDIR/$(basename "$FILE")-" -fi - -# We go over there... -cd $TECHDIR -#set -xe -# We get every chunks' SHA512 and we craft a script to rename the chunks and -# move them to CHKDIR -for file in $TEMPORARYDIR/chks/* -do - sha512sum $file >> $TEMPORARYDIR/map -done -# Append last chk if not even number -appendLastIfNotEven(){ - if [ "$(( $(wc -l "$1" | awk '{ print $1 }') % 2))" -ne 0 ] - then - tail -n 1 "$1" >> "$1" - fi -} -appendLastIfNotEven "$TEMPORARYDIR/map" -# Figure out how many times we need to pack -totalChunks=`grep 'chk' $TEMPORARYDIR/map | wc -l` -temp="$totalChunks" -timesRan=0 -while [ $temp -ne 1 ] -do - temp=`expr $temp / 2` - timesRan=`expr $timesRan + 1` -done -printf "Ran %s times \n" "$timesRan" -printf "Total chunks %s \n" "$totalChunks" - -workingIndex="$TEMPORARYDIR/map" -c=$timesRan -while [ $c -ne 0 ] -do - a=1 - printf "Level: %s, will work on %s chunks\n" "$c" "$totalChunks" - while [[ "$a" -lt "$totalChunks" ]] - do - b=`expr "$a" + 1` - sed -n "$a"p "$workingIndex" | awk '{ print $1 }' >> level.$c.pair.$a-$b - sed -n "$b"p "$workingIndex" | awk '{ print $1 }' >> level.$c.pair.$a-$b - shaSum="$(sha512sum level.$c.pair.$a-$b | awk '{ print $1 }')" - mkdir -p $MERKLEDIR/$(_ak_fs_return_hash_dir $shaSum) - cp level.$c.pair.$a-$b $MERKLEDIR/$(_ak_fs_return_hash_path $shaSum) - sha512sum level.$c.pair.$a-$b | awk '{ print $1 }' >> level.$c.map - a=`expr "$a" + 2` - done - workingIndex="level.$c.map" - appendLastIfNotEven "$workingIndex" - shaSum=`sha512sum $workingIndex | awk '{ print $1 }'` - mkdir -p $MERKLEDIR/$(_ak_fs_return_hash_dir $shaSum) - cp $workingIndex $MERKLEDIR/$(_ak_fs_return_hash_path $shaSum) -# cp $workingIndex $MERKLEDIR/$shaSum - totalChunks=`cat $workingIndex | wc -l` - c=`expr $c - 1` -done - -if [ -f level.1.map ] -then - sha512sum level.1.map -else - echo error - exit 1 -fi - -# Reset file with uniq -cat $TEMPORARYDIR/map | uniq > $TEMPORARYDIR/map2 -cat $TEMPORARYDIR/map2 > $TEMPORARYDIR/map -rm $TEMPORARYDIR/map2 - -counter=0 -while IFS="" read -r p || [ -n "$p" ] -do - printf "mv %s %s/%s\n" "$(echo $p | awk '{ print $2 }')" "$CHKDIR" "$(echo $p | awk '{ print $1 }')" >> $TEMPORARYDIR/cmd_queue.sh - counter=`expr "$counter" + 1` -done < $TEMPORARYDIR/map - -# We run the crafted script -sh $TEMPORARYDIR/cmd_queue.sh - -# and we delete it -rm $TEMPORARYDIR/cmd_queue.sh - -# We inform the map about the original $FILE name and SHA512 -echo "$CHECKSUM $(basename "$FILE")" >> $TEMPORARYDIR/map - -# We get the SHA512 hash of the resulted map file -MAPFILEHASH="$(sha512sum $TEMPORARYDIR/map | awk '{ print $1 }')" - -# and we rename it with it and move it to FILEMAPSDIR -`sha512sum $TEMPORARYDIR/map | awk '{print "mv " $2 " '$FILEMAPSDIR/'" $1}'` - -# We remove the TEMPORARYDIR -rm -rf $TEMPORARYDIR - -# and print the MAPFILEHASH -echo "$MAPFILEHASH" diff --git a/bin/ak-fs-cat b/bin/ak-fs-cat deleted file mode 100755 index 0e819c2..0000000 --- a/bin/ak-fs-cat +++ /dev/null @@ -1,103 +0,0 @@ -#!/bin/bash -# set -xe -if [ -z $1 ] -then - echo "Please provide a SHA512 hash" - exit 1 -fi -# if [ -z $2 ] -# then -# echo "Please an output filename" -# exit 2 -# fi - -echo $1 | grep "[0123456789abcdef]\{128\}" -if [ $? -ne 0 ] -then - echo "Look, I asked for a SHA512 hash, please try again" - exit 1 -fi -treeRootHash="$1" -#outputFilename="$2" - -fmrk="$AK_WORKDIR/fmrk" -ftr="$AK_WORKDIR/ftr" - -# This would be a kind of bootstrap for remote downloads -# -#remoteMrk="http://z.kaotisk-hund.com:8610/mrk" -#remoteTr="http://z.kaotisk-hund.com:8610/tr" -# -pwd>.pwd - -dirWeWere=$(cat .pwd) - -# Enter temp folder -TEMPASSIN="$(ak-tempassin)" -cd $TEMPASSIN - -findDepth(){ - currentNode="$1" - if [ -f $fmrk/$currentNode ] && [ "$(du -b $fmrk/$currentNode | awk '{print $1}')" == "258" ] - then - fileHead="$(head -n 1 $fmrk/$currentNode)" - counter="$(expr $counter + 1)" - findDepth "$fileHead" - elif [ ! -f $fmrk/$currentNode ] - then - printf "%s" "$counter" > depth - else - exit 111 -# Try to download stuff -# wget -s $remoteMrk/$currentNode -O $fmrk/$currentNode -# if [ "$?" -ne 0 ] -# then -# exit 111 -# fi -# findDepth "$currentNode" - fi -} - -currentNode="$treeRootHash" -counter=0 - -printf "%s" "$currentNode" > workspace.0 -findDepth "$currentNode" -depth="$(expr `cat depth` + 1)" -counter="0" -printf "%s" "$depth" -if [ -f output ] -then - rm output -fi -touch output - -while [ "$counter" != "$depth" ] -do - printf "Entering loop... %s %s\n" "$counter" "$depth" >&2 - while IFS="" read -r p || [ -n "$p" ] - do - nextLevel="$(expr $counter + 1)" - if [ "$p" == "" ] - then - echo hi - else - if [ -f $fmrk/$p ] - then - if [ "$(head -n 1 $fmrk/$p)" == "$(tail -n 1 $fmrk/$p)" ] - then - head -n 1 $fmrk/$p >> workspace.$nextLevel - else - cat $fmrk/$p >> workspace.$nextLevel - fi - elif [ -f $ftr/$p ] - then - cat $ftr/$p >> output - fi - fi - done < workspace.$counter - counter="$(expr $counter + 1)" -done - -base64 -d output #> $dirWeWere/$outputFilename -rm $dirWeWere/.pwd diff --git a/bin/ak-fs-get b/bin/ak-fs-get deleted file mode 100755 index ea56caa..0000000 --- a/bin/ak-fs-get +++ /dev/null @@ -1,107 +0,0 @@ -#!/bin/bash -PROGRAM="$(basename $0)" -# set -xe -if [ -z $1 ] -then - echo "Please provide a SHA512 hash" - exit 1 -fi -if [ -z $2 ] -then - echo "Please an output filename" - exit 2 -fi - -echo $1 | grep "[0123456789abcdef]\{128\}" -if [ $? -ne 0 ] -then - echo "Look, I asked for a SHA512 hash, please try again" - exit 1 -fi -treeRootHash="$1" -outputFilename="$2" - -fmrk="$AK_WORKDIR/fmrk" -ftr="$AK_WORKDIR/ftr" - -# This would be a kind of bootstrap for remote downloads -# -#remoteMrk="http://z.kaotisk-hund.com:8610/mrk" -#remoteTr="http://z.kaotisk-hund.com:8610/tr" -# -pwd>.pwd - -dirWeWere=$(cat .pwd) - -# Enter temp folder -TEMPASSIN="$(ak-tempassin)" -cd $TEMPASSIN - -findDepth(){ - currentNode="$1" - pathToNode="$fmrk/$(ak-sm-hash-to-path --path $currentNode)" - if [ -f $pathToNode ] && [ "$(du -b $pathToNode | awk '{print $1}')" == "258" ] - then - fileHead="$(head -n 1 $pathToNode)" - counter="$(expr $counter + 1)" - findDepth "$fileHead" - elif [ ! -f $pathToNode ] - then - printf "%s" "$counter" > depth - else - exit 111 -# Try to download stuff -# wget -s $remoteMrk/$currentNode -O $fmrk/$currentNode -# if [ "$?" -ne 0 ] -# then -# exit 111 -# fi -# findDepth "$currentNode" - fi -} - -currentNode="$treeRootHash" -counter=0 - -printf "%s" "$currentNode" > workspace.0 -findDepth "$currentNode" -depth="$(expr `cat depth` + 1)" -counter="0" -printf "%s" "$depth" -if [ -f output ] -then - rm output -fi -touch output - -while [ "$counter" != "$depth" ] -do - printf "Entering loop... %s %s\n" "$counter" "$depth" - while IFS="" read -r p || [ -n "$p" ] - do - nextLevel="$(expr $counter + 1)" - if [ "$p" == "" ] - then - echo hi - else - expectedPath="$fmrk/$(ak-sm-hash-to-path --path $p)" - if [ -f $expectedPath ] - then - if [ "$(head -n 1 $expectedPath)" == "$(tail -n 1 $expectedPath)" ] - then - head -n 1 $expectedPath >> workspace.$nextLevel - else - cat $expectedPath >> workspace.$nextLevel - fi - elif [ -f $ftr/$p ] - then - cat $ftr/$p >> output - fi - fi - done < workspace.$counter - counter="$(expr $counter + 1)" -done - -base64 -d output > $dirWeWere/$outputFilename -rm $dirWeWere/.pwd -printf "Recreation of $treeRootHash as $outputFilename succeeded!" @@ -27,3 +27,348 @@ _ak_fs_create_dir_for_hash(){ mkdir -p "$1/$(_ak_fs_return_hash_dir $2)" fi } + +# Append last chk if not even number +_ak_fs_appendLastIfNotEven(){ + if [ "$(( $(wc -l "$1" | awk '{ print $1 }') % 2))" -ne 0 ] + then + tail -n 1 "$1" >> "$1" + fi +} + +_ak_fs_import(){ + # + # The concept is bit more complicated now + # + # 1. For a given file we split in 4KB files inside a temporary directory + # + # 2. We then create a map file and a merkle tree containing the resulted files + # and their sha512sum. + # + # 3. We move the splitted files to our $CHKDIR named after their checksums + # + # 4. We move the merkle tree pairs to $MERKLEDIR + # + # We ultimately want to be seeding the file so + # + # 4. We append the checksum of the original file with its name into the map file + # + # 5. We rename the map file after its checksum and move it to maps directory + # + # 6. We are done! + # + + # The directory where the chunked data will be living at + CHKDIR="$AK_WORKDIR/ftr" + # The directory for the map files so we can reconstruct the file + FILEMAPSDIR="$AK_WORKDIR/fmp" + # Merkle tree file/references + MERKLEDIR="$AK_WORKDIR/fmrk" + # A temporary root dir to work on + TEMPORARYDIR="$(ak-tempassin)" + # A subdir to split the files there + TECHDIR="$TEMPORARYDIR/chks" + # A pin point to return from where we came from + CURRENTDIR="$(pwd)" + + # Checking directories and create them if necessary + # rm -rf $TEMPORARYDIR + + # TECHDIR + if [ ! -d "$TECHDIR" ] + then + mkdir -p "$TECHDIR" + if [ $? -eq 0 ] + then + _ak_log_info "Folder $TECHDIR created!" + else + _ak_log_error "Problem occured while creating $TECHDIR" + exit 1 + fi + else + _ak_log_info "Temp dir found" + fi + + # FILEMAPSDIR + if [ ! -d "$FILEMAPSDIR" ] + then + mkdir -p "$FILEMAPSDIR" + if [ $? -eq 0 ] + then + _ak_log_info "Folder $FILEMAPSDIR created!" + else + _ak_log_error "Problem occured while creating $FILEMAPSDIR" + exit 1 + fi + else + _ak_log_info "Mapsdir found" + fi + + # CHKDIR + if [ ! -d "$CHKDIR" ] + then + mkdir -p "$CHKDIR" + if [ $? -eq 0 ] + then + _ak_log_info "Folder $CHKDIR created!" + else + _ak_log_error "Problem occured while creating $CHKDIR" + exit 1 + fi + else + _ak_log_info "Workdir found" + fi + + # MERKLEDIR + if [ ! -d "$MERKLEDIR" ] + then + mkdir -p "$MERKLEDIR" + if [ $? -eq 0 ] + then + _ak_log_info "Folder $MERKLEDIR created!" + else + _ak_log_error "Problem occured while creating $MERKLEDIR" + echo "ERROR Can't create $MERKLEDIR" + exit 1 + fi + else + _ak_log_info "Workdir found" + fi + if [ ! -f "$1" ] + then + _ak_log_error "File $1 not found" + exit 1 + else + # TODO + # Side hustle, save the original hash and original filename + # This won't be expected in general + # The idea is: + # sha256sum as quick pointer to root of the tree + # + sha512sum "$1" > $TEMPORARYDIR/3rd_gen_map + base64 $1 > file + FILE="file" + fi + + # Uncomment next line in case you want to debug the resulting script as well + # echo 'set -xe' > $TEMPORARYDIR/cmd_queue.sh + + # We get the SHA512 hash for the $FILE given + CHECKSUM=$(sha512sum "$FILE"|awk '{print $1}') + FILE_SIZE="$(du -b $FILE | awk '{ print $1 }')" + if [ $FILE_SIZE -lt 4097 ] + then + cp $FILE "$TECHDIR/$(basename "$FILE")-00000000000000000000000000000000000000000000000000.chk" + else + FACTOR=1024 + while [ $(( $FILE_SIZE / $FACTOR )) -gt 250 ] + do + FACTOR=$(( $FACTOR * 2 )) + done + _ak_log_info "Gonna split in $FACTOR size" + sleep 30 + # We split the file into 4*1024 bytes and output the chunks into TECHDIR + split -a 50 -b $FACTOR --additional-suffix ".chk" -d "$FILE" "$TECHDIR/$(basename "$FILE")-" + fi + + # We go over there... + cd $TECHDIR + #set -xe + # We get every chunks' SHA512 and we craft a script to rename the chunks and + # move them to CHKDIR + for file in $TEMPORARYDIR/chks/* + do + sha512sum $file >> $TEMPORARYDIR/map + done + _ak_fs_appendLastIfNotEven "$TEMPORARYDIR/map" + # Figure out how many times we need to pack + totalChunks=`grep 'chk' $TEMPORARYDIR/map | wc -l` + temp="$totalChunks" + timesRan=0 + while [ $temp -ne 1 ] + do + temp=`expr $temp / 2` + timesRan=`expr $timesRan + 1` + done + printf "Ran %s times \n" "$timesRan" + printf "Total chunks %s \n" "$totalChunks" + + workingIndex="$TEMPORARYDIR/map" + c=$timesRan + while [ $c -ne 0 ] + do + a=1 + printf "Level: %s, will work on %s chunks\n" "$c" "$totalChunks" + while [[ "$a" -lt "$totalChunks" ]] + do + b=`expr "$a" + 1` + sed -n "$a"p "$workingIndex" | awk '{ print $1 }' >> level.$c.pair.$a-$b + sed -n "$b"p "$workingIndex" | awk '{ print $1 }' >> level.$c.pair.$a-$b + shaSum="$(sha512sum level.$c.pair.$a-$b | awk '{ print $1 }')" + mkdir -p $MERKLEDIR/$(_ak_fs_return_hash_dir $shaSum) + cp level.$c.pair.$a-$b $MERKLEDIR/$(_ak_fs_return_hash_path $shaSum) + sha512sum level.$c.pair.$a-$b | awk '{ print $1 }' >> level.$c.map + a=`expr "$a" + 2` + done + workingIndex="level.$c.map" + _ak_fs_appendLastIfNotEven "$workingIndex" + shaSum=`sha512sum $workingIndex | awk '{ print $1 }'` + mkdir -p $MERKLEDIR/$(_ak_fs_return_hash_dir $shaSum) + cp $workingIndex $MERKLEDIR/$(_ak_fs_return_hash_path $shaSum) + # cp $workingIndex $MERKLEDIR/$shaSum + totalChunks=`cat $workingIndex | wc -l` + c=`expr $c - 1` + done + + if [ -f level.1.map ] + then + sha512sum level.1.map + sha512sum level.1.map >> $TEMPORARYDIR/3rd_gen_map + else + echo error + exit 1 + fi + + # Reset file with uniq + cat $TEMPORARYDIR/map | uniq > $TEMPORARYDIR/map2 + cat $TEMPORARYDIR/map2 > $TEMPORARYDIR/map + rm $TEMPORARYDIR/map2 + + counter=0 + while IFS="" read -r p || [ -n "$p" ] + do + printf "mv %s %s/%s\n" "$(echo $p | awk '{ print $2 }')" "$CHKDIR" "$(echo $p | awk '{ print $1 }')" >> $TEMPORARYDIR/cmd_queue.sh + counter=`expr "$counter" + 1` + done < $TEMPORARYDIR/map + + # We run the crafted script + sh $TEMPORARYDIR/cmd_queue.sh + + # and we delete it + rm $TEMPORARYDIR/cmd_queue.sh + + # We inform the map about the original $FILE name and SHA512 + echo "$CHECKSUM $(basename "$FILE")" >> $TEMPORARYDIR/map + + # We get the SHA512 hash of the resulted map file + MAPFILEHASH="$(sha512sum $TEMPORARYDIR/map | awk '{ print $1 }')" + + # and we rename it with it and move it to FILEMAPSDIR + `sha512sum $TEMPORARYDIR/map | awk '{print "mv " $2 " '$FILEMAPSDIR/'" $1}'` + + mp512p="$(sha512sum $TEMPORARYDIR/3rd_gen_map | awk '{print $1}')" + mv $TEMPORARYDIR/3rd_gen_map $FILEMAPSDIR/$mp512p + + # We remove the TEMPORARYDIR + rm -rf $TEMPORARYDIR + + # and print the MAPFILEHASH + echo "$MAPFILEHASH" + +} + +_ak_fs_find_depth(){ + currentNode="$1" + pathToNode="$fmrk/$(_ak_fs_return_hash_path $currentNode)" + if [ -f $pathToNode ] && [ "$(du -b $pathToNode | awk '{print $1}')" == "258" ] + then + fileHead="$(head -n 1 $pathToNode)" + counter="$(expr $counter + 1)" + _ak_fs_find_depth "$fileHead" + elif [ ! -f $pathToNode ] + then + printf "%s" "$counter" > depth + else + exit 111 + # Try to download stuff + # wget -s $remoteMrk/$currentNode -O $fmrk/$currentNode + # if [ "$?" -ne 0 ] + # then + # exit 111 + # fi + # _ak_fs_find_depth "$currentNode" + fi +} + +_ak_fs_cat(){ + if [ -z $1 ] + then + echo "Please provide a SHA512 hash" + exit 1 + fi + echo $1 | grep "[0123456789abcdef]\{128\}" + if [ $? -ne 0 ] + then + echo "Look, I asked for a SHA512 hash, please try again" + exit 1 + fi + treeRootHash="$1" + fmrk="$AK_WORKDIR/fmrk" + ftr="$AK_WORKDIR/ftr" + # Enter temp folder + TEMPASSIN="$(ak-tempassin)" + cd $TEMPASSIN + currentNode="$treeRootHash" + counter=0 + printf "%s" "$currentNode" > workspace.0 + _ak_fs_find_depth "$currentNode" + depth="$(expr `cat depth` + 1)" + counter="0" + printf "%s" "$depth" + if [ -f output ] + then + rm output + fi + touch output + while [ "$counter" != "$depth" ] + do + _ak_log_debug "Entering loop... $counter $depth" + while IFS="" read -r p || [ -n "$p" ] + do + nextLevel="$(expr $counter + 1)" + if [ "$p" == "" ] + then + echo hi + else + expectedPath="$fmrk/$(_ak_fs_return_hash_path $p)" + if [ -f $expectedPath ] + then + if [ "$(head -n 1 $expectedPath)" == "$(tail -n 1 $expectedPath)" ] + then + head -n 1 $expectedPath >> workspace.$nextLevel + else + cat $expectedPath >> workspace.$nextLevel + fi + elif [ -f $ftr/$p ] + then + cat $ftr/$p >> output + fi + fi + done < workspace.$counter + counter="$(expr $counter + 1)" + done + + base64 -d output + _ak_log_info "Recreation of $treeRootHash succeeded!" +} + +_ak_fs_export(){ + if [ -z $1 ] + then + _ak_log_error "Please provide a SHA512 hash" + exit 1 + fi + if [ -z $2 ] + then + _ak_log_error "Please an output filename" + exit 2 + fi + outputFilename="$2" + echo $1 | grep "[0123456789abcdef]\{128\}" + if [ $? -ne 0 ] + then + _ak_log_error "Look, I asked for a SHA512 hash, please try again" + exit 1 + fi + _ak_fs_export "$1" > $outputFilename +} |