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32 lines
728 B
32 lines
728 B
1 year ago
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#!/usr/bin/env bash
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set -euo pipefail
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_encode() {
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# - Print the input to stdout
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# - Remove the first two characters
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# - Convert from hex to binary
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# - Convert from binary to base64
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# - Remove newlines from `base64` output
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echo -n "$1" | cut -c 3- | xxd -r -p | base64 | tr -d \\n
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}
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encode() {
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# - Convert from base64 to hex
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# - Remove newlines from `xxd` output
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_encode "$1" | xxd -p | tr -d \\n
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}
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encodeURL() {
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# - Remove padding from `base64` output
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# - Replace `+` with `-`
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# - Replace `/` with `_`
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# - Convert from base64 to hex
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# - Remove newlines from `xxd` output
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_encode "$1" | sed 's/=//g' | sed 's/+/-/g' | sed 's/\//_/g' | xxd -p | tr -d \\n
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}
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# $1: function name
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# $2: input
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$1 $2
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