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path: root/tears.cgi
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#!/usr/local/bin/haserl --shell=/bin/bash

<%

VERSION=0.1
BASE="/~bie/tears"
HOST="low.radionova.no"

path=$(pdecode <<<"${PATH_INFO#/}")

error() {
  echo -e "Content-Type: text/plain; charset=utf-8\n"
  echo "$1"
  exit 1
}

irc() {
  teatime -c '#radionova' "$1"
}

byline() {
  echo # noe som fungerer både på lunix og bsd her
}

info() {
  stat -c '%n: %U %G %a %Y' $1
}

link() {
  [ "$BASE/$2" = $REQUEST_URI ] && echo "$1" || echo "<a href='$BASE/$2'>$1</a>"
}

qlink() {
  text="$1" && url="$BASE/$2" && shift 2
  IFS=\& && echo -n "<a href='$url?$*'>$text</a>"
}

redirect() {
  echo "Content-Type: text/html"
  echo -e "Location: https://$HOST$1\n"
  echo "٩(͡๏̯͡๏)۶>"
}

kalender() {
  [ "$action" = index.html -o "$action" = ditt -o "$action" = gruppe ] || return
  echo "<p><b>for mye? reis i tid…</b>"
  IFS=- read y m d <<<"$GET_dato"
  if [ -z "$y" ]; then
    for directory in $(cut -d / -f 2 | sort | uniq); do
      year=$(basename $directory)
      echo "<a href='?dato=$year'>$year</a>"
    done
  elif [ -z "$m" ]; then
    echo "<b><a href='?'>$y</a></del></b><br>"
    for directory in $(cut -d / -f 3 | sort | uniq); do
      month=$(basename $directory)
      echo "<a href='?dato=$y-$month'>$month</a>"
    done
  elif [ -z "$d" ]; then
    echo "<b><a href='?'>$y</a>/<a href='?dato=$y'>$m</a></b><br>"
    for directory in $(cut -d / -f 4 | sort | uniq); do
      day=$(basename $directory)
      echo "<a href='?dato=$y-$m-$day'>$day</a>"
    done
  else
    echo "<b><a href='?'>$y</a>/<a href='?dato=$y'>$m</a>/<a href='?dato=$y-$m'>$d</a></b>"
  fi
}

meny() {
  echo -e "Content-Type: text/html; charset=utf-8\n"
  echo "<!doctype html>"
  echo "<title>tears</title>"
  echo "<link href=$BASE/tears.css rel=stylesheet>"
  echo "<script src=$BASE/tears.js></script>"
  echo "<div id='meny'>"
  link "<pre>$(figlet -f threepoint tears)</pre>" ""
  echo "<p><b>hei, $(whoami) &hearts;</b><br>"
  link 'skriv en artikkel' 'skriv'
  echo "<p><b>du har tilgang til…</b><br>"
  link 'dine artikler' 'ditt' && echo "<br>"
  for group in $available; do
    link "$group" "gruppe/$group"
  done
  kalender
  echo "<p><b>kos deg! ٩(͡๏̯͡๏)۶</b>"
  echo "<p class=footer><b>tears $VERSION</b><br>"
  link 'todo' 'todo' && echo '|' && link 'teatime' 'teatime'
  echo "</div>"
}

liste() {
  n=$((${GET_n:-0} + 7))
  $finder -printf '%h\t%TT\t%f\n' | sort -r | head -$n | tail -7 | while read
  do
    d=$(cut -f 1 <<<"$REPLY")
    f=$(cut -f 3 <<<"$REPLY")
    kort $d/$f
  done
  echo "<hr><p>"
  qlink "eldre artikler…" "$action/$path" "dato=$GET_dato" "n=$n"
}

tags() {
  find -L tags -samefile "$1" -execdir dirname {} + | while read file; do
    echo -n "${file##*/} "
  done

  # tag "$1" "$POST_tags"
}

tag() {
  echo "<p>"
  for tag in $2; do
    echo "-- sjekke om tag $tag er ok --"
    echo "<br>"
    echo ln -s "$1" "tags/$tag/$(tr / - <<<$1)"
    echo "<br>"
  done
}

skjema() {
  [ ! -f "$1" ] && echo "<p>finner ikke $1: <pre>$(xxd <<<$1)</pre>" && exit
  [ ! -w "$1" ] && echo "<p>du har ikke skrivetilgang" && exit
  echo "<form method='post' action='$BASE/oppdater/$1'>"
  lupin -f <$1
  echo "<p><label>Magiske ord:</label>"
  echo "<input type='text' name='tags' value='$(tags $1)'>"
  tag "$1" "ok test haha"
  echo "<p><input type='submit' value='Lagre'>"
  echo "</form>"
  echo "<p><b>$(info $1)</b>"
}

vis() {
  [ ! -f "$1" ] && echo "<p>finner ikke $1: <pre>$(xxd <<<$1)</pre>" && exit
  [ ! -r "$1" ] && echo "<p>du har ikke lesetilgang" && exit
  lupin -h <$1
}

lagre() {
  path=$(date +%Y/%m/%d -d $POST_publisert)
  slug=$(sed -e 's|[ /]|-|g' -e 's|[?:]||g' <<<$POST_title)
  [ -z "$slug" ] && error "Ugyldig overskrift"
  [ -f "artikler/$path/$slug.txt" ] && error "Artikkelen finnes allerede"
  mkdir -m 777 -p "artikler/$path"
  [ -z "$POST_privat" ] && umask 0002
  lupin -l -e >"artikler/$path/$slug.txt"
  chgrp $POST_gruppe "artikler/$path/$slug.txt"
  irc "$(whoami) skriver ny artikkel: $POST_title"
  redirect "$BASE/rediger/artikler/$path/$slug.txt"
}

oppdater() {
  [ ! -f "$1" ] && error "finner ikke $1"
  [ ! -w "$1" ] && error "ikke skrivetilgang til $1"
  [ -z "$POST_title" ] && error "ingen overskrift"
  lupin -l -e >$1
  irc "$(whoami) redigerte $POST_title"
  redirect "$BASE/rediger/$path"
}

kort() {
  IFS=/. read -r type y m d hhmm slug ext <<< "$1"
  (
    read -r tittel
    echo "<h2>$tittel</h2>" "<p class='x'>$(byline $1), $y/$m/$d"
    [ -r "$1" ] && echo "·" && link "vis" $(pencode / <<<"vis/$1")
    [ -w "$1" ] && echo "·" && link "rediger" $(pencode / <<<"rediger/$1")
    [ -z "$2" ] && head -1 | marxup - || marxup -
  ) < $1
}

forbered() {
  echo "<form method=post action='$BASE/lagre/$path'>"
  echo "<p><label>Overskrift:</label>"
  echo "<input type=text name=title size=24>"
  echo "<p><label>Dato:</label>"
  echo "<input type=date name=publisert value=$(date +%Y-%m-%d) size=10>"
  echo "<p><label>*</label>"
  echo "<select name='type'>"
  for type in lupin/*; do
    id=$(basename $type .lua)
    echo "<option value='$id'>$(sed 's|.|\U&|' <<<$id)</option>"
  done
  echo "</select>"
  echo "for"
  echo "<select name=gruppe>"
  for group in $available; do
    echo "<option>$group</option>" 
  done
  echo "</select>"
  echo "(<input type=checkbox name=privat>privat artikkel?)"
  echo "<p><label>*</label><input type=submit value='Forbered artikkel...'>"
  echo "</form>"
}

[ -f tears.rc ] && . tears.rc

umask 0022

groups=$(groups | tr " " "\n" | sort)
available=$(comm -12 - <(ls redaksjoner | sort) <<<"$groups")
action=$(basename $SCRIPT_FILENAME)
kilde="artikler/$(sed 's|-|/|g' <<<$GET_dato)"
finder="find $kilde -type f"
[ "$action" = gruppe ] && finder="$finder -group $path"
[ "$action" = ditt ] && finder="$finder -user $REMOTE_USER"
[ "$REQUEST_METHOD" = GET ] && $finder | meny
case $action in
  index.html|ditt|gruppe) liste;;
  skriv) forbered;;
  rediger) skjema $path;;
  vis) vis $path;;
  lagre) lagre;;
  oppdater) oppdater $path;;
  teatime) irc "$(whoami) <3 teatime"; echo "<p><img src='http://atei.st/src/1352063360909860.jpg'><br>";;
  spökvåningen) echo "<p>spök";;
  todo) echo "<pre>$(cat TODO)</pre>";;
esac
%>