git.plutz.net Git - shellwiki/blob - handlers/30_edit.sh

   1 #!/bin/sh
   2
   3 . "${_EXEC}/session_lock.sh"
   4
   5 wiki_text() {
   6   # Print source text of a wiki page
   7   # Get page from data or underlay dir
   8   local page="$(PATH "$1")"
   9
  10   if [ -f "$_DATA/pages/$page/#page.md" ]; then
  11     cat -- "$_DATA/pages/$page/#page.md"
  12   elif [ -f "$_EXEC/pages/$page/#page.md" ]; then
  13     cat -- "$_EXEC/pages/$page/#page.md"
  14   else
  15     return 1
  16   fi
  17 }
  18
  19 edit_page="${PATH_INFO%\[edit\]}"
  20 edit_file="$_DATA/pages/$edit_page/#page.md"
  21 [ "$REQUEST_METHOD" = POST ] && edit_action="$(POST action)"
  22
  23 if [ "$edit_page" = "$PATH_INFO" ]; then
  24   unset edit_page edit_action edit_file
  25   # END EDIT SCRIPT, continue in index.cgi
  26
  27 elif [ "$edit_action" = update ]; then
  28   if mkdir -p -- "${edit_file%/#page.md}" \
  29        && S_LOCK "$edit_file"; then
  30     POST pagetext >"$edit_file"
  31     S_RELEASE "$edit_file"
  32     REDIRECT "${_BASE}${PATH_INFO%\[edit\]}"
  33   else
  34     export ERRMSG="ERR_NOLOCK"
  35     REDIRECT "${_BASE}${PATH_INFO%\[edit\]}/[edit]"
  36   fi
  37
  38 elif [ "$edit_action" = cancel ]; then
  39   S_RELEASE "$edit_file"
  40   REDIRECT "${_BASE}${PATH_INFO%\[edit\]}"
  41
  42 elif ! acl_write "$edit_page"; then
  43   theme_error 403
  44   return 0
  45
  46 elif mkdir -p -- "${edit_file%/#page.md}" \
  47      && S_LOCK "$edit_file"; then
  48   theme_editor "$edit_page"
  49   return 0
  50
  51 else
  52   printf 'Refresh: %i; url=%s\r\n' 4 ../
  53   export ERROR_MSG="Unable to lock page for editing"
  54   theme_error 409
  55   return 0
  56
  57 fi
  58
  59 return 1