urnresolve


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#!/bin/sh
export PREFIX="${PREFIX:-/usr/local}"
echo "urnstart: working on:" "$1" >&2
urn="$(printf '%s\n' "$1" | cut -d: -f1)"
if [ "$urn" != "urn" ];then
  echo "this isn't a urn. wtf are you waking me up for? I'm going back to bed. fuck this shit." >&2
  exit 1
fi

nid="$(printf '%s\n' "$1" | cut -d: -f2)"
nss="$(printf '%s\n' "$1" | cut -d: -f3)"
nss2="$(printf '%s\n' "$1" | cut -d: -f4-)"

if [ "$nid" = "anonet" ];then
  if [ "$nss" = "asn" ];then
    echo "whois://whois.ano/AS${nss2}"
  elif [ "$nss" = "ip4" -o "$nss" = "ip6" -o "$nss" = "dom" ];then
    echo "whois://whois.ano/${nss2}"
  fi
fi

if [ "$nid" = "ietf" ];then
  if [ "$nss" = "rfc" ];then
    echo gopher://thebackupbox.net:70/0/rfc/rfc${nss2}.txt
  fi
fi

if [ "$nid" = "phrack" ];then
  if [ "$nss" ];then
    if [ "$nss2" ];then
      echo "gopher://thebackupbox.net:70/0/phrack/issues/${nss}/${nss2}.txt"
    else
      echo "gopher://thebackupbox.net:70/1/phrack/issues/${nss}/"
    fi
  fi
fi

if [ "$nid" = "xkcd" ];then
  echo "https://xkcd.com/${nss}/"
fi

if [ "$nid" = "mitre" ];then
  if [ "$nss" = "cve" ];then
    echo "https://www.cvedetails.com/cve/CVE-${nss2}/"
  fi
fi


if [ "$nid" = "btih" ];then
  btih2magnet "$nss"
fi

file="/usr/local/share/urn/$nid:$nss"
if [ -e "$file" ];then
  grep "^${nss2}\s" "$file" | cut -f2-
fi