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   1 #!/bin/sh
   2
   3 . "${_EXEC:-${0%/*}}/cgilite/cgilite.sh"
   4 set -- nocookie
   5 . "${_EXEC}/cgilite/session.sh"
   6 . "${_EXEC}/cgilite/file.sh"
   7 # . "$_EXEC"/cgilite/users.sh
   8
   9 . "${_EXEC}/themes/default.sh"
  10
  11 CACHE_AGE=${CACHE_AGE:-1800}
  12 export MD_MACROS="$_EXEC/macros"
  13 export MD_HTML="${MD_HTML:-false}"
  14
  15 if [ "$(which awk)" ]; then
  16   md() { awk -f "$_EXEC/md_macros.awk" -f "$_EXEC/cgilite/markdown.awk"; }
  17 elif [ "$(which busybox)" ]; then
  18   md() { busybox awk -f "$_EXEC/md_macros.awk" -f "$_EXEC/cgilite/markdown.awk"; }
  19 else
  20   md() { cat; }
  21 fi
  22
  23 wiki() {
  24   # Print content of a wiki page
  25   # Get page from data or underlay dir, handle caching
  26   local page="$(PATH "$1")" md cache cachetime
  27
  28   cache="$_DATA/pages/$page/#page.cache"
  29   if [ -f "$_DATA/pages/$page/#page.md" ]; then
  30     md="$_DATA/pages/$page/#page.md"
  31   elif [ -f "$_EXEC/pages/$page/#page.md" ]; then
  32     md="$_EXEC/pages/$page/#page.md"
  33   else
  34     return 1
  35   fi
  36
  37   cachetime="$(stat -c %Y -- "$md" "$cache" 2>/dev/null)"
  38
  39   if [ "${cachetime#*${BR}}" -gt "${cachetime%${BR}*}" \
  40     -a "${cachetime#*${BR}}" -gt "$((_DATE - CACHE_AGE))" ]; then
  41     cat "${cache}"
  42   else
  43     mkdir -p -- "$_DATA/pages/$page/"
  44     # Macros expect to find page directory as working dir
  45     ( cd -- "$_DATA/pages/$page/";
  46       md <"$md" |tee -- "${cache}.$$"
  47     )
  48     mv -- "${cache}.$$" "${cache}"
  49   fi
  50 }
  51
  52 attachment() {
  53   local file="$(PATH "$1")"
  54
  55   # TODO: deliver downscaled images, etc.
  56   if [ -f "$_DATA/pages/${file%/*}/#attachments/${file#*/}" ]; then
  57     FILE "$_DATA/pages/${file%/*}/#attachments/${file#*/}"
  58   elif [ -f "$_EXEC/pages/${file%/*}/#attachments/${file#*/}" ]; then
  59     FILE "$_EXEC/pages/${file%/*}/#attachments/${file#*/}"
  60   elif [ -d "$_DATA/pages/${file}/" -o -d "$_EXEC/pages/${file}" ]; then
  61     # path looks like a rogue page name (without trailing slash), so redirect
  62     REDIRECT "$_BASE/${file}/"
  63   else
  64     return 1
  65   fi
  66 }
  67
  68 case "${PATH_INFO}" in
  69   /"[wiki]"/*)
  70     FILE "${_EXEC}/${PATH_INFO#/\[wiki\]}"
  71     ;;
  72   */)
  73     if [ -f "$_DATA/pages/$PATH_INFO/#page.md" \
  74       -o -f "$_EXEC/pages/$PATH_INFO/#page.md" ]; then
  75       theme_page "${PATH_INFO}"
  76     else
  77       theme_404
  78     fi
  79     ;;
  80   */"[attachment]"/*)
  81     :  # TODO: Original attachment file
  82     ;;
  83   */"#"*)
  84     :  # TODO: Invalid page name
  85     ;;
  86   *)
  87     attachment "${PATH_INFO}"
  88     ;;
  89 esac