e2ee

include/conversation.php

@@ -1134,6 +1134,8 @@ function status_editor($a,$x,$popup=false) {
 		'$defexpire' => '',
 		'$feature_expire' => ((feature_enabled($x['profile_uid'],'content_expire') && (! $webpage)) ? 'block' : 'none'),
 		'$expires' => t('Set expiration date'),
+		'$feature_encrypt' => ((feature_enabled($x['profile_uid'],'content_encrypt') && (! $webpage)) ? 'block' : 'none'),
+		'$encrypt' => t('Encrypt text'),
 	));
 
 

include/features.php

@@ -36,6 +36,7 @@ function get_features() {
 			array('richtext',       t('Richtext Editor'),			t('Enable richtext editor')),
 			array('preview',        t('Post Preview'),				t('Allow previewing posts and comments before publishing them')),
 			array('channel_sources', t('Channel Sources'),          t('Automatically import channel content from other channels or feeds')),
+			array('content_encrypt', t('Encrypt Content'),          t('Allow encryption of content end-to-end with a shared secret key')),
 		),
 
 		// Network Tools

js/crypto.js

@@ -31,33 +31,39 @@ function red_encrypt(alg, elem,text) {
 	var enc_text = '';
 	var newdiv = '';
 
-	if(! alg)
+	var text = $(elem).val();
+
+	var enc_key = prompt('key');
+
+	if(! enc_key)
 		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));
+		enc_text = CryptoJS.AES.encrypt(text,enc_key);
 
-		newdiv = "[crypt alg='aes256' hint=' + hint + ']" + enc_text + '[/crypt]';
+		encrypted = enc_text.toString();
+
+		newdiv = "[crypt alg='aes256' hint='" + enc_hint + "']" + encrypted + '[/crypt]';
 	}
 
 	alert(newdiv);
 
+	$(elem).val(newdiv);
 
-	textarea = document.getElementById(elem);
+//	textarea = document.getElementById(elem);
-	if (document.selection) {
+//	if (document.selection) {
-		textarea.focus();
+//		textarea.focus();
-		selected = document.selection.createRange();
+//		selected = document.selection.createRange();
-		selected.text = newdiv;
+//		selected.text = newdiv;
-	} else if (textarea.selectionStart || textarea.selectionStart == "0") {
+//	} else if (textarea.selectionStart || textarea.selectionStart == "0") {
-		var start = textarea.selectionStart;
+//		var start = textarea.selectionStart;
-		var end = textarea.selectionEnd;
+//		var end = textarea.selectionEnd;
-		textarea.value = textarea.value.substring(0, start) + newdiv + textarea.value.substring(end, textarea.value.length);
+//		textarea.value = textarea.value.substring(0, start) + newdiv + textarea.value.substring(end, textarea.value.length);
-	}
+//	}
 }
 
 function red_decrypt(alg,hint,text) {
@@ -69,10 +75,10 @@ function red_decrypt(alg,hint,text) {
 
 	if(alg == 'aes256') {
 		var enc_key = prompt(hint);
-		enc_text = CryptoJS.AES.decrypt(base64_decode(text),enc_key);
+		enc_text = CryptoJS.AES.decrypt(text,enc_key);
 	}
 
-	alert(enc_text);
+	alert(enc_text.toString(CryptoJS.enc.Utf8));
 
 }
 	

view/php/theme_init.php

@@ -25,6 +25,7 @@ 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/components/core-min.js');
 head_add_js('library/cryptojs/rollups/aes.js');
 head_add_js('js/acl.js');
 head_add_js('js/webtoolkit.base64.js');

view/theme/redbasic/css/style.css

@@ -321,6 +321,7 @@ footer {
 #profile-link,
 #profile-title,
 #profile-expires, 
+#profile-encrypt, 
 #wall-image-upload,
 #wall-file-upload,
 #profile-upload-wrapper,
@@ -1142,6 +1143,10 @@ footer {
 	float: left;
 	margin-left: 15px;
 }
+#profile-encrypt-wrapper {
+	float: left;
+	margin-left: 15px;
+}
 #jot-preview-link {
 	float: left;
 	margin-left: 45px;

view/tpl/jot.tpl

@@ -54,9 +54,9 @@
 	<div id="profile-expire-wrapper" style="display: {{$feature_expire}};" >
 		<i id="profile-expires" class="icon-eraser jot-icons" title="{{$expires}}" onclick="jotGetExpiry();return false;"></i>
 	</div> 
-	<!-- div id="profile-encrypt-wrapper" style="display: {{$feature_encrypt}};" >
+	<div id="profile-encrypt-wrapper" style="display: {{$feature_encrypt}};" >
-		<i id="profile-encrypt" class="icon-key jot-icons" title="{{$encrypt}}" onclick="red_encrypt('aes256','profile-jot-text',$('#profile-jot-text').val());return false;"></i>
+		<i id="profile-encrypt" class="icon-key jot-icons" title="{{$encrypt}}" onclick="red_encrypt('aes256','#profile-jot-text',$('#profile-jot-text').val());return false;"></i>
-	</div --> 
+	</div> 
 
 
 	<div id="profile-rotator-wrapper" style="display: {{$visitor}};" >