X-Git-Url: https://git.plutz.net/?a=blobdiff_plain;f=index.cgi;h=c121c3879b050597602b80cb8e39845254fdf737;hb=HEAD;hp=76f1bef6a0062b6e71e6191a3feeb74bd990a7c2;hpb=5188614dbad08cce02ab53910d9252b0007f228f;p=shellwiki

diff --git a/index.cgi b/index.cgi
index 76f1bef..c121c38 100755
--- a/index.cgi
+++ b/index.cgi
@@ -1,114 +1,77 @@
 #!/bin/sh
 
+# Copyright 2022 - 2023 Paul Hänsch
+# 
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+# 
+# THE SOFTWARE IS PROVIDED “AS IS” AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+# SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
+# IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+export REV_PAGES=${REV_PAGES:-true}
+export REV_ATTACHMENTS=${REV_ATTACHMENTS:-false}
+export WIKI_THEME="${WIKI_THEME:-default}"
+export SEARCH_INDEX="${SEARCH_INDEX:-true}"
+export USER_AUTH="${USER_AUTH:-default}"
+
 . "${_EXEC:-${0%/*}}/cgilite/cgilite.sh"
-set -- nocookie
 . "${_EXEC}/cgilite/session.sh"
-. "${_EXEC}/cgilite/file.sh"
-. "${_EXEC}/cgilite/users.sh"
-
-. "${_EXEC}/themes/default.sh"
+. "${_EXEC}/auth/${USER_AUTH}.sh"
+. "${_EXEC}/tools.sh"
+. "${_EXEC}/acl.sh"
+. "${_EXEC}/themes/${WIKI_THEME}.sh"
 
-CACHE_AGE=${CACHE_AGE:-1800}
-export MD_MACROS="$_EXEC/macros"
-export MD_HTML="${MD_HTML:-false}"
+which git >/dev/null || REV_PAGES=false
+[ "$REV_PAGES" != true ] && REV_ATTACHMENTS=false
 
-if [ "$(which awk)" ]; then
-  md() { awk -f "$_EXEC/md_macros.awk" -f "$_EXEC/cgilite/markdown.awk"; }
-elif [ "$(which busybox)" ]; then
-  md() { busybox awk -f "$_EXEC/md_macros.awk" -f "$_EXEC/cgilite/markdown.awk"; }
-else
-  md() { cat; }
-fi
+# Renew session cookie, only if cookie already set
+[ "$(COOKIE session)" ] && SESSION_COOKIE
 
 wiki_text() {
   # Print source text of a wiki page
   # Get page from data or underlay dir
-  local page="$(PATH "$1")"
-
-  if [ -f "$_DATA/pages/$page/#page.md" ]; then
-    cat -- "$_DATA/pages/$page/#page.md"
-  elif [ -f "$_EXEC/pages/$page/#page.md" ]; then
-    cat -- "$_EXEC/pages/$page/#page.md"
-  else
-    return 1
-  fi
-}
+  local page="$(PATH "$1")" mdfile
 
-wiki() {
-  # Print content of a wiki page
-  # Get page from data or underlay dir, handle caching
-  local page="$(PATH "$1")" md cache cachetime
-
-  cache="$_DATA/pages/$page/#page.cache"
-  if [ -f "$_DATA/pages/$page/#page.md" ]; then
-    md="$_DATA/pages/$page/#page.md"
-  elif [ -f "$_EXEC/pages/$page/#page.md" ]; then
-    md="$_EXEC/pages/$page/#page.md"
-  else
-    return 1
-  fi
-
-  cachetime="$(stat -c %Y -- "$md" "$cache" 2>/dev/null)"
-
-  if [ "${cachetime#*${BR}}" -gt "${cachetime%${BR}*}" \
-    -a "${cachetime#*${BR}}" -gt "$((_DATE - CACHE_AGE))" ]; then
-    cat "${cache}"
-  else
-    mkdir -p -- "$_DATA/pages/$page/"
-    # Macros expect to find page directory as working dir
-    ( cd -- "$_DATA/pages/$page/";
-      md <"$md" |tee -- "${cache}.$$"
-    )
-    mv -- "${cache}.$$" "${cache}"
-  fi
+  mdfile="$(mdfile "$page")" || return 4
+  acl_read "$page" || return 3
+  cat -- "$mdfile"
 }
 
-attachment() {
-  local file="$(PATH "$1")"
+if [ "$REV_PAGES" = true -a ! -f "$_DATA/.gitignore" ]; then
+  cat >"$_DATA/.gitignore" <<-EOF
+	users.db
+	serverkey
+	tags/
+	index/
+	**/#cache/
+	**/#page.md.lock
+	**/#page.*.cache
+	**/#page.*.cache.*
+	**/#page:*.*.cache
+	**/#page:*.*.cache.*
+	**/#index.flag
+	EOF
+  [ "$REV_ATTACHMENTS" != true ] \
+  && printf '**/#attachments/\n' >>"$_DATA/.gitignore"
+  git init "$_DATA"
+  git -C "$_DATA" add .gitignore
+  printf '%s\n' "" "[user]" \
+         "email = \"shellwiki@localhost\"" \
+         "name = \"Shellwiki\"" \
+         >>"$_DATA/.git/config"
+  git -C "$_DATA" commit -m 'initialization' -- .gitignore
+fi 1>&2
 
-  # TODO: deliver downscaled images, etc.
-  if [ -f "$_DATA/pages/${file%/*}/#attachments/${file#*/}" ]; then
-    FILE "$_DATA/pages/${file%/*}/#attachments/${file#*/}"
-  elif [ -f "$_EXEC/pages/${file%/*}/#attachments/${file#*/}" ]; then
-    FILE "$_EXEC/pages/${file%/*}/#attachments/${file#*/}"
-  elif [ -d "$_DATA/pages/${file}/" -o -d "$_EXEC/pages/${file}" ]; then
-    # path looks like a rogue page name (without trailing slash), so redirect
-    REDIRECT "$_BASE/${file}/"
-  else
-    return 1
-  fi
-}
-
-case "${PATH_INFO}" in
-  /"[.]"/*)
-    FILE "${_EXEC}/${PATH_INFO#/\[.\]}"
-    ;;
-  */)
-    if [ -f "$_DATA/pages/$PATH_INFO/#page.md" \
-      -o -f "$_EXEC/pages/$PATH_INFO/#page.md" ]; then
-      theme_page "${PATH_INFO}"
-    else
-      theme_404
-    fi
-    ;;
-  */"[edit]")
-    theme_editor "${PATH_INFO%\[edit\]}"
-    ;;
-  */"[login]")
-    [ "$USER_NAME" ] \
-    && REDIRECT "./" \
-    || theme_login
-    ;;
-  */"[register]")
-    theme_register
-    ;;
-  */"[attachment]"/*)
-    :  # TODO: Original attachment file
-    ;;
-  */"#"*)
-    :  # TODO: Invalid page name
-    ;;
-  *)
-    attachment "${PATH_INFO}"
-    ;;
-esac
+for handler in "$_EXEC"/handlers/*; do
+  . "$handler" && break
+done
+if [ $? != 0 ]; then
+  export ERROR_MSG="The presented URL schema cannot be handled"
+  theme_error 400
+fi