From 3a10e698c9932df64c6e4fa9e0785efaf4357362 Mon Sep 17 00:00:00 2001
From: friendica <info@friendica.com>
Date: Sun, 10 Nov 2013 19:58:08 -0800
Subject: Didn't finish it. Gotta' pee.

---
 include/bbcode.php      | 11 ++------
 js/crypto.js            | 72 +++++++++++++++++++++++++++++++++++++++++++++++++
 view/php/theme_init.php |  2 ++
 3 files changed, 76 insertions(+), 9 deletions(-)

diff --git a/include/bbcode.php b/include/bbcode.php
index 14d0ce14a..de71eb4e3 100644
--- a/include/bbcode.php
+++ b/include/bbcode.php
@@ -121,14 +121,7 @@ function bb_parse_crypt($match) {
 	if ($matches[1] != "")
 		$hint = html_entity_decode($matches[1],ENT_QUOTES,'UTF-8');
 
-	// Next we really should link to a JS routine based on the algorithm which prompts for a key
-	// something like zdecrypt_{algorithm}, which will be a no-op if the decryption algorithm is not present 
-	// We can either pass the text or pass a message ID and let the decryption module call /viewsrc or something
-	// to get the text. The text might be large so the message ID might be preferable. But if we pass the 
-	// text directly we won't have to do a network fetch; and can potentially display the results in a popup.
-
-
-	$Text = '<br/><img src="' . z_root() . '/images/lock_icon.gif" alt="' . t('Encrypted content') . '" title="' . t('Encrypted content') . '" /><br />' . t('Algorithm: ') . $algorithm . '<br />' . t('Key hint: ') . $hint . '<br />';
+	$Text = '<br/><img src="' . z_root() . '/images/lock_icon.gif" onclick="red_decrypt(\'' .  $algorithm . '\',\'' . $hint . '\',\'' . $match[2] . '\');" alt="' . t('Encrypted content') . '" title="' . t('Encrypted content') . '" /><br />';
 
 	return $Text;
 
@@ -503,7 +496,7 @@ function bbcode($Text,$preserve_nl = false, $tryoembed = true) {
 	}
 
 	if (strpos($Text,'[/crypt]') !== false) {	
-		$Text = preg_replace("/\[crypt\](.*?)\[\/crypt\]/ism",'<br/><img src="' .$a->get_baseurl() . '/images/lock_icon.gif" alt="' . t('Encrypted content') . '" title="' . t('Encrypted content') . '" /><br />', $Text);
+		$Text = preg_replace("/\[crypt\](.*?)\[\/crypt\]/ism",'<br/><img src="' .$a->get_baseurl() . '/images/lock_icon.gif" onclick="red_decrypt(\'rot13\',\'\',\'$1\');" alt="' . t('Encrypted content') . '" title="' . t('Encrypted content') . '" /><br />', $Text);
 		$Text = preg_replace_callback("/\[crypt (.*?)\](.*?)\[\/crypt\]/ism", 'bb_parse_crypt', $Text);
 	}
 	// Try to Oembed
diff --git a/js/crypto.js b/js/crypto.js
index 4f1570f7e..022613128 100644
--- a/js/crypto.js
+++ b/js/crypto.js
@@ -1,4 +1,76 @@
 
+
+function str_rot13 (str) {
+  // http://kevin.vanzonneveld.net
+  // +   original by: Jonas Raoni Soares Silva (http://www.jsfromhell.com)
+  // +   improved by: Ates Goral (http://magnetiq.com)
+  // +   bugfixed by: Onno Marsman
+  // +   improved by: Rafa? Kukawski (http://blog.kukawski.pl)
+  // *     example 1: str_rot13('Kevin van Zonneveld');
+  // *     returns 1: 'Xriva ina Mbaariryq'
+  // *     example 2: str_rot13('Xriva ina Mbaariryq');
+  // *     returns 2: 'Kevin van Zonneveld'
+  // *     example 3: str_rot13(33);
+  // *     returns 3: '33'
+	return (str + '').replace(/[a-z]/gi, function (s) {
+		return String.fromCharCode(s.charCodeAt(0) + (s.toLowerCase() < 'n' ? 13 : -13));
+	});
+}
+
+
+function red_encrypt(alg, elem,text) {
+	var enc_text = '';
+	var newdiv = '';
+
+	if(! alg)
+		alg = 'rot13';
+
+	if((alg == 'rot13') || (alg == 'triple-rot13'))
+		newdiv = "[crypt alg='rot13']" + str_rot13(text) + '[/crypt]';
+	else if(alg == 'aes256') {
+		var enc_key = prompt('key');
+		var enc_hint = prompt('hint');
+
+		enc_text = base64_encode(CryptoJS.AES.encrypt(text,key));
+
+		newdiv = "[crypt alg='aes256' hint=' + hint + ']" + enc_text + '[/crypt]';
+	}
+
+	alert(newdiv);
+
+
+	textarea = document.getElementById(elem);
+	if (document.selection) {
+		textarea.focus();
+		selected = document.selection.createRange();
+		selected.text = newdiv;
+	} else if (textarea.selectionStart || textarea.selectionStart == "0") {
+		var start = textarea.selectionStart;
+		var end = textarea.selectionEnd;
+		textarea.value = textarea.value.substring(0, start) + newdiv + textarea.value.substring(end, textarea.value.length);
+	}
+}
+
+function red_decrypt(alg,hint,text) {
+
+	var enc_text = '';
+
+	if(alg == 'rot13' || alg == 'triple-rot13')
+		enc_text = str_rot13(text);
+
+	if(alg == 'aes256') {
+		var enc_key = prompt(hint);
+		enc_text = CryptoJS.AES.decrypt(base64_decode(text),enc_key);
+	}
+
+	alert(enc_text);
+
+}
+	
+	
+
+
+
 function base64_encode (data) {
   // http://kevin.vanzonneveld.net
   // +   original by: Tyler Akins (http://rumkin.com)
diff --git a/view/php/theme_init.php b/view/php/theme_init.php
index 8b75bc940..0cb5d4d68 100644
--- a/view/php/theme_init.php
+++ b/view/php/theme_init.php
@@ -25,9 +25,11 @@ head_add_js('library/jquery_ac/friendica.complete.js');
 head_add_js('library/tiptip/jquery.tipTip.minified.js');
 head_add_js('library/jgrowl/jquery.jgrowl_minimized.js');
 head_add_js('library/tinymce/jscripts/tiny_mce/tiny_mce_src.js');
+head_add_js('library/cryptojs/rollups/aes.js');
 head_add_js('js/acl.js');
 head_add_js('js/webtoolkit.base64.js');
 head_add_js('js/main.js');
+head_add_js('js/crypto.js');
 head_add_js('library/jslider/bin/jquery.slider.min.js');
 head_add_js('docready.js');
 head_add_js('library/prettyphoto/js/jquery.prettyPhoto.js');
-- 
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