Start on encode and decode commands

master
Jonathan Hodgson 6 years ago
parent 4c2fd7b877
commit e960ecdbb6
  1. 41
      bin/decode
  2. 88
      bin/encode

@ -0,0 +1,41 @@
#!/usr/bin/env bash
##Helper Functions
urldecode() {
# urldecode <string>
local url_encoded="${1//+/ }"
printf '%b' "${url_encoded//%/\\x}"
}
string="$1"
if [ -z "$string" ]; then
string="$(cat)"
fi
# Base 64
decoded=$(echo -n "$string" | base64 -d 2> /dev/null)
# Check to see if base64 decode was successfull, only print if it was
if [ $? -eq 0 ] && [ "$decoded" != "$string" ]; then
echo -en "Base64\t"
echo "$decoded"
fi
#URL
decoded=$(urldecode "$string")
if [ "$decoded" != "$string" ]; then
echo -en "URL\t"
echo "$decoded"
fi
#Hex
decoded=$(echo -n "$string" | xxd -r -p)
if [ ! -z "$decoded" ] && [ "$decoded" != "$string" ]; then
echo -en "HEX\t"
echo $decoded
fi
# Binary
echo -en "
for i in $string; do
echo "ibase=2;$i" | bc

@ -0,0 +1,88 @@
#!/usr/bin/env bash
##Helper Functions
urlencodespecial() {
# urlencode <string>
old_lc_collate=$LC_COLLATE
LC_COLLATE=C
local length="${#1}"
for (( i = 0; i < length; i++ )); do
local c="${1:i:1}"
case $c in
[a-zA-Z0-9.~_-]) printf "$c" ;;
*) printf '%%%02X' "'$c" ;;
esac
done
LC_COLLATE=$old_lc_collate
}
urlencodeall() {
# urlencode <string>
old_lc_collate=$LC_COLLATE
LC_COLLATE=C
local length="${#1}"
for (( i = 0; i < length; i++ )); do
local c="${1:i:1}"
printf '%%%02X' "'$c"
done
LC_COLLATE=$old_lc_collate
}
string="$1"
if [ -z "$string" ]; then
string="$(cat)"
fi
# Base 64
echo -en "Base64\t"
echo "$string" | base64 --wrap=0
echo ""
#URL
echo -en "URL\t"
urlencodespecial "$string"
echo ""
#URL All
echo -en "URL All\t"
urlencodeall "$string"
echo ""
#Hex Encode
echo -en "Hex\t"
hex=$( echo -n "$string" | xxd -ps | sed 's/\([A-Fa-f0-9][A-Fa-f0-9]\)/\1 /g' | sed 's/ $//')
echo "$hex"
#Hex Encode With 0x
echo -en "Hex\t"
echo -n "0x$hex" | sed -e 's/ / 0x/g'
echo
#Decimal
echo -en "Decimal\t"
#for i in $(echo -n "$hex" ); do
for i in $hex; do
echo "ibase=16;$i" | bc
echo
done | tr '\n' ' '
echo
#Octal
echo -en "Octal\t"
for i in $hex; do
echo "ibase=16;obase=8;$i" | bc
done | tr '\n' ' '
echo
#Binary
echo -en "Binary\t"
for i in $hex; do
echo "ibase=16;obase=2;$i" | bc | awk '{printf "%08d", $1}'
echo
done | tr '\n' ' '
echo
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