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 "$edit_file"
  32   else
  33     export ERRMSG="ERR_NOLOCK"
  34     REDIRECT "${_BASE}${PATH_INFO%\[edit\]}/[edit]"
  35   fi
  36
  37   if [ "$(which git)" ]; then
  38     git -C "$_DATA" add \
  39       -- "pages/$edit_page/#page.md"
  40     git -C "$_DATA" commit -m \
  41       "Page # ${edit_page} # updated by user @ ${USER_NAME} @" \
  42       -- "pages/$edit_page/#page.md"
  43   fi
  44
  45   REDIRECT "${_BASE}${PATH_INFO%\[edit\]}"
  46
  47 elif [ "$edit_action" = cancel ]; then
  48   S_RELEASE "$edit_file"
  49   REDIRECT "${_BASE}${PATH_INFO%\[edit\]}"
  50
  51 elif ! acl_write "$edit_page"; then
  52   theme_error 403
  53   return 0
  54
  55 elif mkdir -p -- "${edit_file%/#page.md}" \
  56      && S_LOCK "$edit_file"; then
  57   theme_editor "$edit_page"
  58   return 0
  59
  60 else
  61   printf 'Refresh: %i; url=%s\r\n' 4 ../
  62   export ERROR_MSG="Unable to lock page for editing"
  63   theme_error 409
  64   return 0
  65
  66 fi
  67
  68 return 1