From 8733f95d481d341a74d95cd97ecbef39a1f0609f Mon Sep 17 00:00:00 2001
From: Christian Franke <nobody@nowhere.ws>
Date: Tue, 12 Mar 2013 06:12:24 +0100
Subject: World day against cyber censorship

---
 public/css/sublab-2012-09-16.css | 444 -------------------------------------
 public/css/sublab-2013-03-12.css | 464 +++++++++++++++++++++++++++++++++++++++
 public/inc/zensur.js             | 169 ++++++++++++++
 3 files changed, 633 insertions(+), 444 deletions(-)
 delete mode 100644 public/css/sublab-2012-09-16.css
 create mode 100644 public/css/sublab-2013-03-12.css
 create mode 100644 public/inc/zensur.js

(limited to 'public')

diff --git a/public/css/sublab-2012-09-16.css b/public/css/sublab-2012-09-16.css
deleted file mode 100644
index 9ad8eda..0000000
--- a/public/css/sublab-2012-09-16.css
+++ /dev/null
@@ -1,444 +0,0 @@
-*	{
-	font-family: Verdana, Helvetica, sans-serif;
-	font-size: 12px;
-	color: #ddd;
-	}
-
-iframe.youtube {
-	margin: 5px 15px 0px 15px;
-	width: 300px;
-	height: 235px;
-	border: 1px solid #444;
-	}
-
-iframe.osm {
-	margin: 5px 15px 0px 15px;
-	width: 500px;
-	height: 325px;
-	border: 1px solid #444;
-	scroll: no;
-	}
-
-body	{
-	background: #000 url(../img/background.jpg) no-repeat fixed center center;
-	}
-
-div.frame	{
-	border: 1px solid #aaa;
-	background-color: rgba(0, 0, 0, 0.75);
-	margin-left: auto;
-	margin-right: auto;
-	min-width: 700px;
-	max-width: 1500px;
-	position: relative;
-	}
-
-div.hiddenframe	{
-	margin: 50px;
-	}
-
-div.logo	{
-	float: left;
-	height: 150px;
-	width: 110px;
-	margin: 5px 5px 5px 5px;
-	border: 0px solid #222;
-	background: #000 url(../img/logo.png) no-repeat center center;
-	}
-
-div.image	{
-	margin-top: 0px;
-	margin: 5px;
-	margin-left: 125px;
-	border: 1px solid #444;
-	height: 150px;
-	background: #000 url(../img/topimage.jpg) no-repeat left bottom;
-	}
-
-div.menu	{
-	clear: both;
-	color: #fff;
-	border: 1px solid #444;
-	padding: 5px;
-	background-color: rgba(16, 16, 16, 0.5);
-	margin-left: 5px;
-	position: absolute;
-	top: 160px;
-	width: 100px;
-	min-height: 150px;
-	}
-
-div.content	{
-	color: #fff;
-	border: 1px solid #444;
-	padding: 5px;
-	background-color: rgba(16, 16, 16, 0.5);
-	position: static;
-	margin: 0px 225px 5px 125px;
-	top: 160px;
-	min-height: 120px;
-	height: 100%;
-	}
-
-div.info	{
-	color: #fff;
-	background-color: rgba(16, 16, 16, 0.5);
-        border: 1px solid #444;
-        padding: 5px;
-        margin-right: 5px;
-	margin-bottom: 5px;
-        width: 200px;
-	position: absolute;
-	right: 0px;
-	min-height: 200px;
-	}
-
-div.status	{
-	width: 180px;
-	margin-left: 10px;
-	margin-right: 10px;
-	}
-
-div.footer	{
-	clear: both;
-	background-color: rgba(16, 16, 16, 0.5);
-	color: #fff;
-	border: 1px solid #444;
-	padding: 5px;
-	margin: 5px;
-	text-align: center;
-	}
-
-.imagecontent	{
-	clear: both;
-	float: right;
-	margin: 5px 10px 5px 10px;
-	width: 35%;
-	min-width: 150px;
-	}
-
-img	{
-	border: 1px solid #444;
-	}
-
-img.webcam	{
-	border: 1px solid #444;
-	width: 400px;
-	margin: 5px 5px 0px 15px;
-	}
-
-img.logo	{
-	height: 140px;
-	width: auto;
-	border: 0px;
-	}
-
-img.webcamthumb	{
-	margin: 10px;
-	border: 1px solid #444;
-	width: 180px;
-	height: auto;
-	}
-
-.contentimage {
-	width: 95%;
-	height: auto;
-	margin: 0px 5px 0px 5px;
-	border: 2px solid #444;
-	}
-
-img.bigimage {
-	width: 100%;
-	max-width: 640px;
-	margin-left: auto;
-	margin-right: auto;
-	display: block;
-	}
-
-.floatright	{
-	float: right;
-	}
-
-.floatleft	{
-	float: left;
-	}
-
-table	{
-	width: 200px;
-	margin: auto;
-	}
-
-hr	{
-	margin: 10px;
-	color: #ddd;
-	clear: both;
-	}
-
-#menu	{
-	list-style: none;
-	margin: 5px;
-	padding: 0px;
-	}
-
-#menu a	{
-	text-decoration: none;
-	font-weight: bold;
-	line-height: 15px;
-	border: 0px;
-	color: #ddd;
-	}
-
-#menu a:hover	{
-	text-decoration: none;
-	font-weight: bold;
-	color: #fff;
-	}
-
-#menu a:active {
-	text-decoration: none;
-	font-weight: bold;
-	color: #bbb;
-	}
-
-h1	{
-	text-align: center;
-	visibility: hidden;
-	}
-
-h3	{
-	/*clear: both;*/
-	font-size: 14px;
-	text-align: left;
-	color: #ddd;
-	line-height: 20px;
-	margin: 15px 10px 5px 10px;
-	}
-
-h4	{
-	line-height: 25px;
-	text-align: center;
-	color: #ddd;
-	margin-top: 5px;
-	}
-
-h2	{
-	font-size: 18px;
-	line-height: 40px;
-	margin-left: 10px;
-	color: #ddd;
-	}
-
-p	{
-	margin: 5px 15px 5px 15px;
-	color: #ddd;
-	line-height: 20px;
-	}
-
-p.subtext	{
-	color: #ddd;
-	line-height: 12px;
-	margin: 2px 5px 5px 15px;
-	}
-
-p.header {
-	text-align: right;
-	margin: 10px;
-	}
-
-span.header {
-	background-color: rgba(16, 16, 16, 0.75);
-	padding: 5px 10px 5px 10px;
-	}
-
-.statusinfo	{
-	line-height: 20px;
-	}
-
-.status {
-	line-height: 20px;
-	margin-left: 10px;
-	margin-right: 10px;
-	}
-
-.member	{
-	line-height: 20px;
-	font-weight: bold;
-	margin-left: 10px;
-	margin-right: 10px;
-	text-align: center;
-	}
-
-a       {
-	text-decoration: none;
-	border-bottom: 1px dotted;
-	color: #ddd;
-	}
-
-a:hover {
-	text-decoration: none;
-	color: #fff;
-	}
-
-a:active {
-	text-decoration: none;
-	color: #bbb;
-	}
-
-a.img	{
-	text-decoration: none;
-	border: 0px;
-	color: #ddd;
-	}
-
-a.img:hover {
-	text-decoration: none;
-	color: #bbb;
-	}
-
-a.img:active {
-	text-decoration: none;
-	color: #999;
-	}
-
-span.box	{
-	border: 1px solid #222;
-	padding: 2px;
-	}
-
-.olFramedCloudPopupContent h2 {
-	color: #000000;
-	font-size: 14px;
-	}
-
-.olFramedCloudPopupContent p {
-	color: #000000;
-	font-size: 12px;
-	}
-
-.olFramedCloudPopupContent a {
-	color: #3333FF;
-	font-size: 14px;
-	}
-
-#mapdiv img {
-	border: 0px;
-	}
-
-/* These are for the wiki */
-div.page {
-	border: none;
-	margin: 0px;
-	margin-right: 1em;
-}
-
-.actions ul {
-	text-align: right;
-	margin-top: -3px;
-}
-.actions li {
-	display: inline;
-	padding: 2px;
-	border-style: solid;
-	border-width: 1px;
-	border-top-width: 0px;
-	border-color: #444;
-	background-color: rgba(16,16,16,0.5);
-}
-
-.actions a {
-	border-bottom: 0px;
-}
-
-div.pageheader {
-	margin-left: 10px;
-}
-
-div.pagedate {
-	text-align: right;
-}
-
-span.title, span.parentlinks, .parentlinks a {
-	font-size: 18px;
-	font-weight: bold;
-	line-height: 40px;
-}
-
-span.title:after {
-	content: " ]";
-}
-
-span.parentlinks:before {
-	content: "[ ";
-}
-
-textarea, input, select {
-	background-color: #101010;
-}
-
-div.recentchanges {
-	border-style: solid;
-	border-width: 1px;
-	overflow: auto;
-	width: auto;
-	clear: none;
-	background: #404040;
-}
-.recentchanges .metadata {
-	padding: 0px 0.5em;
-}
-.recentchanges .changelog {
-	font-style: italic;
-	clear: both;
-	display: block;
-	padding: 1px 2px;
-}
-.recentchanges .desc {
-	display: none;
-}
-.recentchanges .diff {
-	display: none;
-}
-.recentchanges .committer {
-	float: left;
-	margin: 0;
-	width: 40%;
-}
-.recentchanges .committype {
-	float: left;
-	margin: 0;
-	width: 5%;
-	font-size: small;
-}
-.recentchanges .changedate {
-	float: left;
-	margin: 0;
-	width: 35%;
-	font-size: small;
-}
-.recentchanges .pagelinks,
-.recentchanges .revert {
-	float: right;
-	margin: 0;
-	width: 60%;
-}
-
-li.menu {
-	padding: 0px;
-}
-
-li {
-	padding: 5px;
-}
-
-img.img	{
-	clear: both;
-	float: right;
-	margin: 5px 10px 5px 10px;
-	width: 35%;
-	height: auto;
-	min-width: 150px;
-	}
-
-.pagefooter {
-	clear: both;
-}
diff --git a/public/css/sublab-2013-03-12.css b/public/css/sublab-2013-03-12.css
new file mode 100644
index 0000000..68a1a97
--- /dev/null
+++ b/public/css/sublab-2013-03-12.css
@@ -0,0 +1,464 @@
+*	{
+	font-family: Verdana, Helvetica, sans-serif;
+	font-size: 12px;
+	color: #ddd;
+	}
+
+.censored {
+	color: #ddd;
+	background-color: #ddd;
+}
+
+#zensurinfo {
+	padding: 0.5em;
+	position: absolute;
+	left: 0px;
+	top: 0px;
+	right: 0px;
+	font-size: 1.5em;
+	font-weight: bold;
+	color: white;
+	background-color: red;
+}
+#zensurinfo * { color: white }
+#zensurinfo .censored { color: white; background-color: grey; }
+#zensurinfo a, #zensurinfo a:hover, #zensurinfo a:visited { color: yellow }
+
+iframe.youtube {
+	margin: 5px 15px 0px 15px;
+	width: 300px;
+	height: 235px;
+	border: 1px solid #444;
+	}
+
+iframe.osm {
+	margin: 5px 15px 0px 15px;
+	width: 500px;
+	height: 325px;
+	border: 1px solid #444;
+	scroll: no;
+	}
+
+body	{
+	background: #000 url(../img/background.jpg) no-repeat fixed center center;
+	}
+
+div.frame	{
+	border: 1px solid #aaa;
+	background-color: rgba(0, 0, 0, 0.75);
+	margin-left: auto;
+	margin-right: auto;
+	min-width: 700px;
+	max-width: 1500px;
+	position: relative;
+	}
+
+div.hiddenframe	{
+	margin: 50px;
+	}
+
+div.logo	{
+	float: left;
+	height: 150px;
+	width: 110px;
+	margin: 5px 5px 5px 5px;
+	border: 0px solid #222;
+	background: #000 url(../img/logo.png) no-repeat center center;
+	}
+
+div.image	{
+	margin-top: 0px;
+	margin: 5px;
+	margin-left: 125px;
+	border: 1px solid #444;
+	height: 150px;
+	background: #000 url(../img/topimage.jpg) no-repeat left bottom;
+	}
+
+div.menu	{
+	clear: both;
+	color: #fff;
+	border: 1px solid #444;
+	padding: 5px;
+	background-color: rgba(16, 16, 16, 0.5);
+	margin-left: 5px;
+	position: absolute;
+	top: 160px;
+	width: 100px;
+	min-height: 150px;
+	}
+
+div.content	{
+	color: #fff;
+	border: 1px solid #444;
+	padding: 5px;
+	background-color: rgba(16, 16, 16, 0.5);
+	position: static;
+	margin: 0px 225px 5px 125px;
+	top: 160px;
+	min-height: 120px;
+	height: 100%;
+	}
+
+div.info	{
+	color: #fff;
+	background-color: rgba(16, 16, 16, 0.5);
+        border: 1px solid #444;
+        padding: 5px;
+        margin-right: 5px;
+	margin-bottom: 5px;
+        width: 200px;
+	position: absolute;
+	right: 0px;
+	min-height: 200px;
+	}
+
+div.status	{
+	width: 180px;
+	margin-left: 10px;
+	margin-right: 10px;
+	}
+
+div.footer	{
+	clear: both;
+	background-color: rgba(16, 16, 16, 0.5);
+	color: #fff;
+	border: 1px solid #444;
+	padding: 5px;
+	margin: 5px;
+	text-align: center;
+	}
+
+.imagecontent	{
+	clear: both;
+	float: right;
+	margin: 5px 10px 5px 10px;
+	width: 35%;
+	min-width: 150px;
+	}
+
+img	{
+	border: 1px solid #444;
+	}
+
+img.webcam	{
+	border: 1px solid #444;
+	width: 400px;
+	margin: 5px 5px 0px 15px;
+	}
+
+img.logo	{
+	height: 140px;
+	width: auto;
+	border: 0px;
+	}
+
+img.webcamthumb	{
+	margin: 10px;
+	border: 1px solid #444;
+	width: 180px;
+	height: auto;
+	}
+
+.contentimage {
+	width: 95%;
+	height: auto;
+	margin: 0px 5px 0px 5px;
+	border: 2px solid #444;
+	}
+
+img.bigimage {
+	width: 100%;
+	max-width: 640px;
+	margin-left: auto;
+	margin-right: auto;
+	display: block;
+	}
+
+.floatright	{
+	float: right;
+	}
+
+.floatleft	{
+	float: left;
+	}
+
+table	{
+	width: 200px;
+	margin: auto;
+	}
+
+hr	{
+	margin: 10px;
+	color: #ddd;
+	clear: both;
+	}
+
+#menu	{
+	list-style: none;
+	margin: 5px;
+	padding: 0px;
+	}
+
+#menu a	{
+	text-decoration: none;
+	font-weight: bold;
+	line-height: 15px;
+	border: 0px;
+	color: #ddd;
+	}
+
+#menu a:hover	{
+	text-decoration: none;
+	font-weight: bold;
+	color: #fff;
+	}
+
+#menu a:active {
+	text-decoration: none;
+	font-weight: bold;
+	color: #bbb;
+	}
+
+h1	{
+	text-align: center;
+	visibility: hidden;
+	}
+
+h3	{
+	/*clear: both;*/
+	font-size: 14px;
+	text-align: left;
+	color: #ddd;
+	line-height: 20px;
+	margin: 15px 10px 5px 10px;
+	}
+
+h4	{
+	line-height: 25px;
+	text-align: center;
+	color: #ddd;
+	margin-top: 5px;
+	}
+
+h2	{
+	font-size: 18px;
+	line-height: 40px;
+	margin-left: 10px;
+	color: #ddd;
+	}
+
+p	{
+	margin: 5px 15px 5px 15px;
+	color: #ddd;
+	line-height: 20px;
+	}
+
+p.subtext	{
+	color: #ddd;
+	line-height: 12px;
+	margin: 2px 5px 5px 15px;
+	}
+
+p.header {
+	text-align: right;
+	margin: 10px;
+	}
+
+span.header {
+	background-color: rgba(16, 16, 16, 0.75);
+	padding: 5px 10px 5px 10px;
+	}
+
+.statusinfo	{
+	line-height: 20px;
+	}
+
+.status {
+	line-height: 20px;
+	margin-left: 10px;
+	margin-right: 10px;
+	}
+
+.member	{
+	line-height: 20px;
+	font-weight: bold;
+	margin-left: 10px;
+	margin-right: 10px;
+	text-align: center;
+	}
+
+a       {
+	text-decoration: none;
+	border-bottom: 1px dotted;
+	color: #ddd;
+	}
+
+a:hover {
+	text-decoration: none;
+	color: #fff;
+	}
+
+a:active {
+	text-decoration: none;
+	color: #bbb;
+	}
+
+a.img	{
+	text-decoration: none;
+	border: 0px;
+	color: #ddd;
+	}
+
+a.img:hover {
+	text-decoration: none;
+	color: #bbb;
+	}
+
+a.img:active {
+	text-decoration: none;
+	color: #999;
+	}
+
+span.box	{
+	border: 1px solid #222;
+	padding: 2px;
+	}
+
+.olFramedCloudPopupContent h2 {
+	color: #000000;
+	font-size: 14px;
+	}
+
+.olFramedCloudPopupContent p {
+	color: #000000;
+	font-size: 12px;
+	}
+
+.olFramedCloudPopupContent a {
+	color: #3333FF;
+	font-size: 14px;
+	}
+
+#mapdiv img {
+	border: 0px;
+	}
+
+/* These are for the wiki */
+div.page {
+	border: none;
+	margin: 0px;
+	margin-right: 1em;
+}
+
+.actions ul {
+	text-align: right;
+	margin-top: -3px;
+}
+.actions li {
+	display: inline;
+	padding: 2px;
+	border-style: solid;
+	border-width: 1px;
+	border-top-width: 0px;
+	border-color: #444;
+	background-color: rgba(16,16,16,0.5);
+}
+
+.actions a {
+	border-bottom: 0px;
+}
+
+div.pageheader {
+	margin-left: 10px;
+}
+
+div.pagedate {
+	text-align: right;
+}
+
+span.title, span.parentlinks, .parentlinks a {
+	font-size: 18px;
+	font-weight: bold;
+	line-height: 40px;
+}
+
+span.title:after {
+	content: " ]";
+}
+
+span.parentlinks:before {
+	content: "[ ";
+}
+
+textarea, input, select {
+	background-color: #101010;
+}
+
+div.recentchanges {
+	border-style: solid;
+	border-width: 1px;
+	overflow: auto;
+	width: auto;
+	clear: none;
+	background: #404040;
+}
+.recentchanges .metadata {
+	padding: 0px 0.5em;
+}
+.recentchanges .changelog {
+	font-style: italic;
+	clear: both;
+	display: block;
+	padding: 1px 2px;
+}
+.recentchanges .desc {
+	display: none;
+}
+.recentchanges .diff {
+	display: none;
+}
+.recentchanges .committer {
+	float: left;
+	margin: 0;
+	width: 40%;
+}
+.recentchanges .committype {
+	float: left;
+	margin: 0;
+	width: 5%;
+	font-size: small;
+}
+.recentchanges .changedate {
+	float: left;
+	margin: 0;
+	width: 35%;
+	font-size: small;
+}
+.recentchanges .pagelinks,
+.recentchanges .revert {
+	float: right;
+	margin: 0;
+	width: 60%;
+}
+
+li.menu {
+	padding: 0px;
+}
+
+li {
+	padding: 5px;
+}
+
+img.img	{
+	clear: both;
+	float: right;
+	margin: 5px 10px 5px 10px;
+	width: 35%;
+	height: auto;
+	min-width: 150px;
+	}
+
+.pagefooter {
+	clear: both;
+}
diff --git a/public/inc/zensur.js b/public/inc/zensur.js
new file mode 100644
index 0000000..d6b4d29
--- /dev/null
+++ b/public/inc/zensur.js
@@ -0,0 +1,169 @@
+(function() {
+  // states
+  // 0: uncensored
+  // 1: start_censor
+  // 2: censored
+  // state transition probabilities:
+  var p_trans = [
+    // x     uncensored   -> uncensored
+    0.08, // uncensored   -> start_censor
+    // 0     uncensored   -> censored
+    // 0     start_censor -> uncensored
+    // 0     start_censor -> start_censor
+    // 1     start_censor -> censored
+    0.55, // censored   -> uncensored
+    // 0     censored   -> start_censor
+    // x     censored   -> censored
+  ];
+  var censored_tag = "span";
+  var censored_class = "censored";
+  var start_censor = "<" + censored_tag + " class=\"" + censored_class + "\">";
+  var stop_censor = "</" + censored_tag + ">";
+  var re_censor = /[0-9A-Za-z]/;
+  var isCensored = true;
+  var censoredElements = [];
+
+  function splitWords(text) {
+    // some older IEs don't suppport capturing parentheses
+    // return text.split(/([\t\n\r ])/);
+    if (text.length === 0) {
+      return [""];
+    }
+    var words = [];
+    var last_i = 0;
+    for (var i = 0; i < text.length; i++) {
+      switch(text[i]) {
+        case '\t':
+        case '\n':
+        case '\r':
+        case ' ':
+          if (last_i !== i) {
+            words.push(text.slice(last_i, i));
+          }
+          words.push(text[i]);
+          last_i = i + 1;
+      }
+    }
+    if (last_i !== text.length) {
+      words.push(text.slice(last_i));
+    }
+    return words;
+  }
+
+  function censorWord(state, word) {
+    // ignore words not containing letters (may be spaces only)
+    if (!word.match(re_censor)) {
+      return word;
+    }
+
+    var r = Math.random();
+    var prefix = "";
+    var suffix = "";
+
+    if (state.s === 1) {
+      // start_censor -> censored
+      state.s = 2;
+      prefix = start_censor;
+    }
+
+    if (state.s === 0 && r < p_trans[0]) {
+      // uncensored -> start_censor
+      state.s = 1;
+    }
+    else if (state.s === 2 && r < p_trans[1]) {
+      // censored -> uncensored
+      state.s = 0;
+      suffix = stop_censor;
+    }
+
+    return prefix + word + suffix;
+  }
+
+  function censorTextNode(node) {
+    var state = { s: 0 };
+    if (Math.random() < p_trans[0]) {
+      // start_censor
+      state.s = 1;
+    }
+    var words = splitWords(node.nodeValue);
+    for (var i in words) {
+      words[i] = censorWord(state, words[i]);
+    }
+    if (state.s === 2) {
+      words[words.length-1] = words[words.length-1] + stop_censor;
+    }
+    var newnode = document.createElement(censored_tag);
+    newnode.innerHTML = words.join("");
+    return newnode;
+  }
+
+  function censorElement(element, on) {
+    var childs = element.childNodes;
+    var uncensored = false;
+    for (var i in childs) {
+
+      if (childs[i].nodeType === 1 &&
+          childs[i].nodeName !== "OPTION" &&
+          childs[i].nodeName !== "SCRIPT" &&
+          childs[i].nodeName !== "SELECT" &&
+          childs[i].nodeName !== "STYLE" &&
+          childs[i].nodeName !== "TEXTAREA" &&
+          childs[i].nodeName !== "TITLE")
+      {
+        if (!on &&
+            childs[i].nodeName === censored_tag.toUpperCase() &&
+            childs[i].className === censored_class &&
+            childs[i].childNodes.length === 1)
+        {
+          uncensored = true;
+          element.replaceChild(childs[i].childNodes[0], childs[i]);
+        }
+
+        var childUncensored = censorElement(childs[i], on);
+        if (!on && childUncensored)
+        {
+          var newnode = document.createTextNode("");
+          for (var j in childs[i].childNodes) {
+            if (!childs[i].childNodes[j].nodeType === 3) {
+              return;
+            }
+            if (childs[i].childNodes[j].nodeValue) {
+              newnode.nodeValue += childs[i].childNodes[j].nodeValue;
+            }
+          }
+          element.replaceChild(newnode, childs[i]);
+        }
+      }
+
+      else if (on &&
+          childs[i].nodeType === 3 &&
+          childs[i].nodeValue.match(re_censor))
+      {
+        element.replaceChild(censorTextNode(childs[i]), childs[i]);
+      }
+
+    }
+
+    return uncensored;
+  }
+
+  function doCensor(on) {
+    for (var i in censoredElements) {
+      censorElement(censoredElements[i], on);
+    }
+  }
+
+  window.zensurjs = function(arg) {
+    if (arg === undefined) {
+      isCensored = !isCensored;
+      doCensor(isCensored);
+    }
+    else {
+      censoredElements.push(arg);
+      if (isCensored) {
+        censorElement(arg, true);
+      }
+    }
+    return isCensored;
+  };
+})();
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