From: Paul Hänsch <paul@plutz.net>
Date: Wed, 10 Feb 2021 11:35:52 +0000 (+0100)
Subject: Squashed 'cgilite/' changes from a836764..31fd9a7
X-Git-Url: https://git.plutz.net/?a=commitdiff_plain;h=01b13a65484a01f314d6d97c74b48216ead2bc24;p=confetti

Squashed 'cgilite/' changes from a836764..31fd9a7

31fd9a7 experimental: basic set of css rules
6212086 simplified mac function and cookie format

git-subtree-dir: cgilite
git-subtree-split: 31fd9a726ec96dd58a9e69b941e18b93a3c01f26
---

diff --git a/common.css b/common.css
new file mode 100644
index 0000000..4b9501b
--- /dev/null
+++ b/common.css
@@ -0,0 +1,128 @@
+/* ======= GENERIC HTML STYLES ======= */
+
+* {
+  box-sizing: border-box;
+  position: relative;
+  font: inherit;
+  text-decoration: inherit;
+  color: inherit; background: transparent;
+  max-width: 100%;
+  margin: 0; padding: 0;
+  border: none;
+}
+
+body {
+  font: normal normal normal medium/1.5em sans-serif;
+  color: #000; background: #FFF;
+}
+
+ul, ol, dl, table, p { margin-bottom: .5em; }
+
+a {
+  font-style: italic;
+  text-decoration: underline;
+  color: #068;
+}
+a.button {
+  font-style: inherit;
+  text-decoration: inherit;
+  color: inherit;
+}
+
+sup { vertical-align: super; }
+sub { vertical-align: sub; }
+small { font-size: .75em; }
+big   { font-size: 1.25em; }
+strike, del, s { text-decoration: line-through; }
+u {text-decoration: underline; }
+i, em { font-style: italic; }
+b, strong { font-weight: bolder; }
+tt, code, var, samp, kbd { font-family: monospace; }
+kbd { font-style: italic; }
+
+ul, ol { margin-left: 1.125em; }
+dl dt { font-weight: bolder; }
+table th { font-weight: bold; }
+
+h1, h2, h3 {
+  font-weight: bold;
+  margin-top: .75em;
+  margin-bottom: .5em;
+}
+
+h4, h5, h6, form legend {
+  font-weight: bolder;
+  margin-bottom: .25em;
+}
+
+h1 { font-size: 1.5em; }
+h2 { font-size: 1.125em; }
+
+select, input, button, textarea, a.button {
+  display: inline-block;
+  background-color: #FFF;
+  border: .5pt solid;
+  padding: .25em .75em;
+  vertical-align: text-bottom;
+  border: 1pt solid #888;
+  border-radius: 2pt;
+}
+select { padding: .375em 0; }
+
+input[type=radio], input[type=checkbox] {
+  vertical-align: baseline;
+}
+input[type=number] { text-align: right; padding-right: 0; }
+
+button, input[type=button], a.button {
+  box-shadow: .125em .125em .25em;
+  cursor: pointer;
+}
+input[type=radio], input[type=checkbox], label[for] {
+  cursor: pointer;
+}
+
+label { margin-right: .75em; }
+input + label {
+  margin-left: .375em;
+}
+
+/* ======= End Generic Styles ======= */
+
+/* ======= Common Styles ======= */
+
+*[tooltip]:hover:after {
+  display: block;
+  position: absolute;
+  bottom: -100%; left: 50%; transform: translate(-50%, 0);
+  content: attr(tooltip);
+  padding: .5em;
+  background-color: #FFC;
+  color: #000;
+  border: .5pt solid;
+  z-index: 1;
+}
+
+input[type=radio].tab { display: none; }
+input[type=radio].tab + label {
+  display: table-cell;
+  padding: .5em 1em;
+  background-color: #EEE;
+  border: .5pt solid;
+}
+input[type=radio].tab:checked + label {
+  background-color: #FFF;
+  border-bottom: none;
+  box-shadow: .125em -.125em .125em #888;
+  z-index: 1;
+}
+input[type=radio].tab ~ *.tab {
+  display: none;
+  width: 100%;
+  margin-top: 0; padding: .25em .75em;
+  border: .5pt solid; border-top: none;
+  border-radius: 0;
+  box-shadow: .125em .125em .125em #888;
+}
+
+/* ======= End Common Styles ======= */
diff --git a/session.sh b/session.sh
index 0a2a2e8..93cc2f4 100755
--- a/session.sh
+++ b/session.sh
@@ -25,10 +25,13 @@ slopecode(){
 }
 
 session_mac(){
+  local info
+  [ $# -eq 0 ] && info="$(cat)" || info="$*"
+
   if which openssl >/dev/null; then
-    openssl dgst -sha1 -hmac "$(server_key)" -binary |slopecode
+    printf %s "$info" |openssl dgst -sha1 -hmac "$(server_key)" -binary |slopecode
   else
-    { cat; server_key; } |sha256sum |cut -d\  -f1
+    { printf %s "$info"; server_key; } |sha256sum |cut -d\  -f1
   fi
 }
 
@@ -55,20 +58,17 @@ checkid(){ grep -m 1 -xE '[0-9a-zA-Z:=]{16}'; }
 transid(){
   # transaction ID to modify a given file
   local file="$1"
-  { stat -c %F%i%n%N%s%Y "$file" 2>&-
-    printf %s "$SESSION_ID"
-  } | session_mac
+  session_mac "$(stat -c %F%i%n%N%s%Y "$file" 2>&-)" "$SESSION_ID"
 }
 
 update_session(){
-  local session sid time sig serverkey checksig
+  local session sid time sig checksig
 
-  IFS=- read -r sid time sig <<-END
+  read -r sid time sig <<-END
 	$(POST session_key || COOKIE session)
 	END
-  serverkey="$(server_key)"
   
-  checksig="$(printf %s "$sid" "$time" |session_mac)"
+  checksig="$(session_mac "$sid" "$time")"
   
   if ! [ "$checksig" = "$sig" \
     -a "$time" -ge "$_DATE" \
@@ -79,10 +79,10 @@ update_session(){
   fi
 
   time=$(( $_DATE + $SESSION_TIMEOUT ))
-  sig="$(printf %s "$sid" "$time" |session_mac)"
-  printf %s\\n "${sid}-${time}-${sig}"
+  sig="$(session_mac "$sid" "$time")"
+  printf %s\\n "${sid} ${time} ${sig}"
 }
 
 SESSION_KEY="$(update_session)"
 SET_COOKIE 0 session="$SESSION_KEY" Path=/ SameSite=Strict HttpOnly
-SESSION_ID="${SESSION_KEY%%-*}"
+SESSION_ID="${SESSION_KEY%% *}"