#!/bin/sh
-_EXEC=.
-_DATA=.
+_EXEC="${_EXEC:-.}"
+_DATA="${_DATA:-.}"
+SESSION_TIMEOUT=43200
. "$_EXEC/cgilite/logging.sh"
. "$_EXEC/cgilite/cgilite.sh"
. "$_EXEC/cgilite/session.sh"
. "$_EXEC/cgilite/storage.sh"
-
LOCATION="$(PATH "$PATH_INFO")"
LOCATION="${LOCATION#/}"
LOCATION="${LOCATION%%/*}"
-yield_css(){
- printf 'Content-Type: text/css; charset=utf-8\r\n\r\n'
- cat <<ENDCSS
-* { box-sizing: border-box;}
-#chat {
- position: fixed;
- bottom: 2.5em;
- left: 0; right: 0;
- border: 1px solid #08b;
- padding: 1ex;
- margin: .5ex;
- z-index: -1;
-}
-form#channel {
- position: fixed;
- bottom: 0;
- left: 0; right: 0;
-}
-
-#check_settings { display: none; }
-#check_settings + label {
- display: inline-block;
-}
-#check_settings + label:before {
- content: '\2699';
- padding: .5ex;
- margin-left: .5ex;
- margin-right: 2em;
-}
-#check_settings + label + #settings { display: none; }
-#check_settings:checked + label + #settings {
- display: block;
- position: fixed;
- min-width: 20%; max-width: 90%;
- width: 30em;
- top: 3em;
- left: 50%; transform: translate(-50%);
- background-color: #FFF;
- border: 1px solid;
- border-radius: 1ex 1ex .5ex .5ex;
-}
-#settings h1 {
- background-color: #08b;
- margin: 0;
- padding: 0 1ex;
- font-size: 1em;
- font-weight: bold;
- border-bottom: 1px solid;
- border-radius: 1ex 1ex 0 0;
-}
-#settings label[for=check_settings] {
- position: absolute;
- top: 0; right: 1px;
- background-color: #F88;
- border-left: 1px solid;
- border-radius: 0 1ex 0 0;
- width: 3ex;
- overflow: hidden;
-}
-#settings label[for=check_settings]:before {
- content: "x";
- padding: 0 1ex;
-}
-#settings input[type=radio] { display: none; }
-#settings input[type=radio] + label + * { display: none; }
-#settings input[type=radio]:checked + label + * { display: block; }
-#settings input[type=radio] + label {
- display: block;
- font-weight: bold;
- text-decoration: underline;
- margin: -1px 1px; padding: 0 1ex;
- border-top: 1px solid;
- background-color: #EEE;
-}
-#settings input[type=radio] + label + * {
- padding: 1ex 1ex .5ex 1ex;
-}
+NICK_REGISTRATION="${NICK_REGISTRATION:-on}"
+CHANNEL_LIST="${CHANNEL_LIST:-off}"
-form#channel input[name=message] {
- display: inline-block;
- position: absolute;
- left: 4.5ex;
- width: calc(100% - 5ex - 1px);
-}
-form#channel button[value=submit] { display: none; }
-#chat .message .date {
- color: #888;
- font-size: .75em;
-}
-#chat .message .nick {
- font-weight: bold;
-}
-#chat .message .nick .indicator {
- color: #888;
-}
-
-ENDCSS
-}
+# ToDo:
+# COOKIE_NICK_EXPIRE=$((86400 * 14))
+# REGEISTERED_NICK_EXPIRE=$((86400 * 365))
yield_page(){
page="$1"
- printf 'Content-Type: text/html; charset=utf-8\r\n\r\n'
+ printf '%s\r\n' 'Content-Type: text/html; charset=utf-8' \
+ "Content-Security-Policy: script-src 'none'" \
+ ''
{ printf '[html
[head
[meta name="viewport" content="width=device-width"]
[title Webchat]
] [body class="%s"
' "$page"
+ [ "$QUERY_STRING" = settings ] && settings_menu
cat
printf '] ]'
} |"$_EXEC/cgilite/html-sh.sed" -u
}
settings_menu(){
+ local nick="$(HTML "${nickname#\?}")"
printf '
- [input #check_settings type="checkbox"][label for=check_settings Settings]
- [div #settings
- [h1 Settings][label for=check_settings Close]
- [input #set_nick type=radio name="setting" value="nick" selected][label for=set_nick Nickname]
- [div [input name="nickname" value="%s"][submit "action" "nick" Set Cookie]]
- ]
- ' "$(HTML "${nickname#\?}")"
+ [form #settings method="POST" action="?settings"
+ [hidden "session_key" "%s"]
+ [h1 Settings][a .settings href="?" Close]
+ ' "$SESSION_KEY"
+ if [ "$ERROR" ]; then
+ printf '[p .error %s %s]' "${ERROR%% *}" "$(HTML "${ERROR#.* }")"
+ unset ERROR
+ fi
+ if [ "$NICK_REGISTRATION" != on -o "$nickname" = '?Guest' ]; then
+ printf '
+ [a .section href="#nick" Nickname]
+ [div #nick .open [input name="nickname" placeholder="%s"][submit "action" "nick" Set Cookie]]
+ ' "$nick"
+ else
+ printf '
+ [a .section href="#nick" Nickname]
+ [div #nick [input name="nickname" placeholder="%s"][submit "action" "nick" Set Cookie]]
+ [a .section href="#register" Register Nickname]
+ [div #register
+ [p Registration will set a permanent Cookie in your Browser.
+ Registration requires neither a password, nor an email address.]
+ [input name="regnick" value="%s"][submit "action" "register" Register]
+ ]' "$nick" "$nick"
+ fi
+ printf ']'
}
-case ${LOCATION} in
- \&?*) chatfile="$_DATA/${LOCATION}"
- page=channel
- ;;
- @?*) if [ -d "$_DATA/${LOCATION}" ]; then
- chatfile="$_DATA/${LOCATION}/?${SESSION_ID}"
- page=channel
- else
- REDIRECT /
- fi
- ;;
- ~?*) if [ -d "$_DATA/@${LOCATION#~}" ]; then
- pubinfo="$_DATA/@${LOCATION#~}/pubinfo"
- page=pubinfo
- else
- REDIRECT /
- fi
- ;;
- webchat.css) yield_css; exit 0;;
- '') page=front;;
- *) REDIRECT /;;
-esac
-
-if [ "$(COOKIE nick)" ]; then
- nickname="?$(COOKIE nick)"
-else
- nickname='?Guest'
-fi
-
-if [ -f "$chatfile" ]; then
- read -r channelkey x <"$chatfile"
- channelkey="$( printf '%s-%s' "$channelkey" "$SESSION_ID" |sha256sum)"
-fi
+. "$_EXEC/usernick.sh"
-case "$page $(POST action)" in
- channel\ create)
- if [ ! -f "$chatfile" ]; then
- { randomid; printf ' '; STRING "$nickname"; echo; } >"$chatfile"
- fi
- REDIRECT "$(URL "/$LOCATION")"
+case ${LOCATION} in
+ webchat.css)
+ . "$_EXEC/cgilite/file.sh"
+ FILE "$_EXEC/${LOCATION}"
+ return 0
+ ;;
+ \&?*)
+ [ "$(COOKIE nick)" -o "$QUERY_STRING" = settings ] || REDIRECT "/$LOCATION?settings#nick"
+ chatfile="$_DATA/${LOCATION}/channel"
+ . "$_EXEC/channel.sh"
+ exit 0
;;
- channel\ submit)
- if [ -f "$chatfile" -a "$channelkey" = "$(POST channelkey)" ]; then
- printf "%s %s: %s\n" "$(date +%F_%T)" "$(STRING "$nickname")" "$(POST message |STRING)" >>"$chatfile"
+ @?*)
+ if [ -d "$_DATA/${LOCATION}" ]; then
+ chatfile="$_DATA/${LOCATION}/?${SESSION_ID}"
+ . "$_EXEC/channel.sh"
+ else
+ REDIRECT /
fi
- REDIRECT "$(URL "/$LOCATION")"
+ exit 0
;;
- channel\ nick)
- SET_COOKIE +1209600 "nick=$(POST nickname |URL)"
- REDIRECT "$(URL "/$LOCATION")"
+ ~?*)
+ if [ -d "$_DATA/@${LOCATION#~}" ]; then
+ pubinfo="$_DATA/@${LOCATION#~}/pubinfo"
+ else
+ # ToDo Edit / Display of public user information
+ REDIRECT /
+ fi
;;
- channel\ *)
- if [ ! -f "$chatfile" ]; then
- yield_page create <<-EOF
- [form #nonexist method=POST action="$(URL "/$LOCATION")"
- There is no channel named $(HTML "$LOCATION")
- [submit "action" "create" Create]
- ]
- EOF
+ '')
+ if [ "$(POST action)" = join ]; then
+ REDIRECT "./&$(POST channel |URL)"
else
- { printf '
- [form #channel method=POST action="%s"
- [submit "action" "submit" style="display: none;"]
- [input type=hidden name=channelkey value="%s"]
- %s [input name="message" autofocus=true][submit "action" "submit" Send!]
- ]
- ' "$(URL "/$LOCATION")" "$channelkey" "$(settings_menu)"
- SHESCAPE='s;[]&<>#."[];\\&;g;'
-
- printf '[div #chat'
- # tail -n30 -f "$chatfile" | {
- # read x
- # while read -r date nick message; do
- # printf '[p .message [span .date %s] [span .nick [span .indicator %s]%s:] [span .message %s]]\n' \
- # "${date#*_}" "${nick%${nick#?}}" "$(UNSTRING "${nick#?}" |HTML)" "$(UNSTRING "$message" |HTML)"
- # done
- # }
- tail -n50 -f "$chatfile" \
- | sed -nuE '
- /^[^ ]+ [^ ]+ [^ ]+$/{
- h; s;^([^ ]+) ([^ ]+) ([^ ]+)$;\1;; s;.*_;;; s;.+;[p .message [span .date &];p;
- g; s;^([^ ]+) ([^ ]+) ([^ ]+)$;a\2;; bESC; :A s;.;;; s;(.)(.+);[span .nick [span .indicator \1]\2];p;
- g; s;^([^ ]+) ([^ ]+) ([^ ]+)$;b\3;; bESC; :B s;.;;; s;.+;[span .message &]];p;
- }
- b; :ESC
- '"$UNSTRING"' '"$SHESCAPE"'
- /^a/bA; /^b/bB;
- '
- } |yield_page channel
- fi
- ;;
- pubinfo\ *);;
- front\ *) yield_page front <<-EOF
- Front
+ yield_page front <<-EOF
+ [h1 Webchat]
+ [form method=POST
+ [label Join Channel: [input name=channel value='' placeholder="Name of Channel"][button type=submit name=action value=join Join]]
+ ]
+ $(if [ "$CHANNEL_LIST" = on ]; then
+ printf '[h2 Existing channels][div #channels'
+ for chan in "$_DATA/&"*; do
+ printf '[a href="./%s" . %s]\n' "$(HTML "${chan##*/}")" "$(HTML "${chan##*/}")"
+ done
+ printf ']'
+ fi)
EOF
+ fi
+ ;;
+ *) REDIRECT /
;;
esac
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