move cryptojs to addon

1 files changed, 5 insertions, 273 deletions

diff --git a/view/js/crypto.js b/view/js/crypto.js
index 98af6e09e..14bc1e0a2 100644
--- a/view/js/crypto.js
+++ b/view/js/crypto.js
@@ -1,4 +1,3 @@
-
 function str_rot13 (str) {
   // http://kevin.vanzonneveld.net
   // +   original by: Jonas Raoni Soares Silva (http://www.jsfromhell.com)
@@ -16,121 +15,6 @@ function str_rot13 (str) {
 	});
 }
 
-
-// Arrays for pluggable encryptors/decryptors
-
-var red_encryptors = new Array();
-var red_decryptors = new Array();
-
-// We probably just want the element where the text is and find it ourself. e.g. if 
-// there is highlighted text use it, otherwise use the entire text.
-// So the third element may be useless. Fix also in view/tpl/jot.tpl before 
-// adding to all the editor templates and enabling the feature
-
-// Should probably do some input sanitising and dealing with bbcode, hiding key text, and displaying
-// results in a lightbox and/or popup form are left as an exercise for the reader. 
-
-
-function red_encrypt(alg, elem,text) {
-	var enc_text = '';
-	var newdiv = '';
-
-	if(typeof tinyMCE !== "undefined")
-		tinyMCE.triggerSave(false,true);
-
-	var text = $(elem).val();
-
-	// key and hint need to be localised
-
-        var passphrase = prompt(aStr['passphrase']);
-        // let the user cancel this dialogue
-        if (passphrase == null)
-                return false;
-        var enc_key = bin2hex(passphrase);
-
-	// If you don't provide a key you get rot13, which doesn't need a key
-	// but consequently isn't secure.  
-
-	if(! enc_key)
-		alg = 'rot13';
-
-	if((alg == 'rot13') || (alg == 'triple-rot13'))
-		newdiv = "[crypt alg='rot13']" + str_rot13(text) + '[/crypt]';
-
-	if(alg == 'aes256') {
-
-			// This is the prompt we're going to use when the receiver tries to open it.
-			// Maybe "Grandma's maiden name" or "our secret place" or something. 
-
-			var enc_hint = bin2hex(prompt(aStr['passhint']));
-
-			enc_text = CryptoJS.AES.encrypt(text,enc_key);
-
-			encrypted = enc_text.toString();
-
-			newdiv = "[crypt alg='aes256' hint='" + enc_hint + "']" + encrypted + '[/crypt]';
-	}
-	if(alg == 'rabbit') {
-
-			// This is the prompt we're going to use when the receiver tries to open it.
-			// Maybe "Grandma's maiden name" or "our secret place" or something. 
-
-			var enc_hint = bin2hex(prompt(aStr['passhint']));
-
-			enc_text = CryptoJS.Rabbit.encrypt(text,enc_key);
-			encrypted = enc_text.toString();
-
-			newdiv = "[crypt alg='rabbit' hint='" + enc_hint + "']" + encrypted + '[/crypt]';
-	}
-	if(alg == '3des') {
-
-			// This is the prompt we're going to use when the receiver tries to open it.
-			// Maybe "Grandma's maiden name" or "our secret place" or something. 
-
-			var enc_hint = bin2hex(prompt(aStr['passhint']));
-
-			enc_text = CryptoJS.TripleDES.encrypt(text,enc_key);
-			encrypted = enc_text.toString();
-
-			newdiv = "[crypt alg='3des' hint='" + enc_hint + "']" + encrypted + '[/crypt]';
-	}
-	if((red_encryptors.length) && (! newdiv.length)) {
-		for(var i = 0; i < red_encryptors.length; i ++) {
-			newdiv = red_encryptors[i](alg,text);
-			if(newdiv.length)
-				break;
-		}
-	}
-
-	enc_key = '';
-
-//	alert(newdiv);
-
-	// This might be a comment box on a page with a tinymce editor
-	// so check if there is a tinymce editor but also check the display
-	// property of our source element - because a tinymce instance
-	// will have display "none". If a normal textarea such as in a comment
-	// box has display "none" you wouldn't be able to type in it.
-	
-	if($(elem).css('display') == 'none' && typeof tinyMCE !== "undefined") {
-		tinyMCE.activeEditor.setContent(newdiv);
-	}
-	else {
-		$(elem).val(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 hz_encrypt(alg, elem) {
 	var enc_text = '';
 	var newdiv = '';
@@ -188,59 +72,17 @@ function hz_encrypt(alg, elem) {
 
 }
 
-function red_decrypt(alg,hint,text,elem) {
+function hz_decrypt(alg, hint, text, elem) {
 
 	var dec_text = '';
 
-	if(alg == 'rot13' || alg == 'triple-rot13')
-		dec_text = str_rot13(text);
-	else {
-		var enc_key = bin2hex(prompt((hint.length) ? hex2bin(hint) : aStr['passphrase']));
-	}
-
-	if(alg == 'aes256') {
-		dec_text = CryptoJS.AES.decrypt(text,enc_key);
-	}
-	if(alg == 'rabbit') {
-		dec_text = CryptoJS.Rabbit.decrypt(text,enc_key);
-	}
-	if(alg == '3des') {
-		dec_text = CryptoJS.TripleDES.decrypt(text,enc_key);
-	}
+	var supported = ['AES-128-CCM', 'rot13', 'triple-rot13'];
 
-	if((red_decryptors.length) && (! dec_text.length)) {
-		for(var i = 0; i < red_decryptors.length; i ++) {
-			dec_text = red_decryptors[i](alg,text,enc_key);
-			if(dec_text.length)
-				break;
-		}
+	if(supported.indexOf(alg) < 0) {
+		alert('Sorry, this encryption type is not supported anymore.\r\nConsider asking your admin to install the cryptojs addon for legacy crypto support.');
+		return;
 	}
 
-	enc_key = '';
-
-	// Not sure whether to drop this back in the conversation display.
-	// It probably needs a lightbox or popup window because any conversation 
-	// updates could 
-	// wipe out the text and make you re-enter the key if it was in the
-	// conversation. For now we do that so you can read it.
-
-	var dec_result = dec_text.toString(CryptoJS.enc.Utf8);
-	delete dec_text;
-
-	// incorrect decryptions *usually* but don't always have zero length
-	// If the person typo'd let them try again without reloading the page
-	// otherwise they'll have no "padlock" to click to try again.
-
-	if(dec_result.length) {
-		$(elem).html(b2h(dec_result));
-		dec_result = '';
-	}
-}
-	
-function hz_decrypt(alg, hint, text, elem) {
-
-	var dec_text = '';
-
 	text = window.atob(text);
 
 	if(alg == 'rot13' || alg == 'triple-rot13')
@@ -274,113 +116,3 @@ function hz_decrypt(alg, hint, text, elem) {
 	}
 }
 
-
-
-function base64_encode (data) {
-  // http://kevin.vanzonneveld.net
-  // +   original by: Tyler Akins (http://rumkin.com)
-  // +   improved by: Bayron Guevara
-  // +   improved by: Thunder.m
-  // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
-  // +   bugfixed by: Pellentesque Malesuada
-  // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
-  // +   improved by: Rafa? Kukawski (http://kukawski.pl)
-  // *     example 1: base64_encode('Kevin van Zonneveld');
-  // *     returns 1: 'S2V2aW4gdmFuIFpvbm5ldmVsZA=='
-  // mozilla has this native
-  // - but breaks in 2.0.0.12!
-  //if (typeof this.window['btoa'] === 'function') {
-  //    return btoa(data);
-  //}
-	var b64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
-	var o1, o2, o3, h1, h2, h3, h4, bits, i = 0,
-    ac = 0,
-    enc = "",
-    tmp_arr = [];
-
-	if (!data) {
-		return data;
-	}
-
-	do { // pack three octets into four hexets
-		o1 = data.charCodeAt(i++);
-		o2 = data.charCodeAt(i++);
-		o3 = data.charCodeAt(i++);
-
-		bits = o1 << 16 | o2 << 8 | o3;
-
-		h1 = bits >> 18 & 0x3f;
-		h2 = bits >> 12 & 0x3f;
-		h3 = bits >> 6 & 0x3f;
-		h4 = bits & 0x3f;
-
-    // use hexets to index into b64, and append result to encoded string
-		tmp_arr[ac++] = b64.charAt(h1) + b64.charAt(h2) + b64.charAt(h3) + b64.charAt(h4);
-	} while (i < data.length);
-
-	enc = tmp_arr.join('');
-
-	var r = data.length % 3;
-
-	return (r ? enc.slice(0, r - 3) : enc) + '==='.slice(r || 3);
-
-}
-
-
-function base64_decode (data) {
-  // http://kevin.vanzonneveld.net
-  // +   original by: Tyler Akins (http://rumkin.com)
-  // +   improved by: Thunder.m
-  // +      input by: Aman Gupta
-  // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
-  // +   bugfixed by: Onno Marsman
-  // +   bugfixed by: Pellentesque Malesuada
-  // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
-  // +      input by: Brett Zamir (http://brett-zamir.me)
-  // +   bugfixed by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
-  // *     example 1: base64_decode('S2V2aW4gdmFuIFpvbm5ldmVsZA==');
-  // *     returns 1: 'Kevin van Zonneveld'
-  // mozilla has this native
-  // - but breaks in 2.0.0.12!
-  //if (typeof this.window['atob'] === 'function') {
-  //    return atob(data);
-  //}
-	var b64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
-	var o1, o2, o3, h1, h2, h3, h4, bits, i = 0,
-    ac = 0,
-    dec = "",
-    tmp_arr = [];
-
-	if (!data) {
-		return data;
-	}
-
-	data += '';
-
-	do { // unpack four hexets into three octets using index points in b64
-		h1 = b64.indexOf(data.charAt(i++));
-		h2 = b64.indexOf(data.charAt(i++));
-		h3 = b64.indexOf(data.charAt(i++));
-		h4 = b64.indexOf(data.charAt(i++));
-
-		bits = h1 << 18 | h2 << 12 | h3 << 6 | h4;
-
-		o1 = bits >> 16 & 0xff;
-		o2 = bits >> 8 & 0xff;
-		o3 = bits & 0xff;
-
-		if (h3 == 64) {
-			tmp_arr[ac++] = String.fromCharCode(o1);
-		} else if (h4 == 64) {
-			tmp_arr[ac++] = String.fromCharCode(o1, o2);
-		} else {
-			tmp_arr[ac++] = String.fromCharCode(o1, o2, o3);
-		}
-	} while (i < data.length);
-
-	dec = tmp_arr.join('');
-
-	return dec;
-}
-
-