move js files from core

1 files changed, 291 insertions, 0 deletions

diff --git a/view/js/crypto.js b/view/js/crypto.js
new file mode 100644
index 000000000..2e6402c62
--- /dev/null
+++ b/view/js/crypto.js
@@ -0,0 +1,291 @@
+
+
+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));
+	});
+}
+
+
+// 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 enc_key = bin2hex(prompt(aStr['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 red_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);
+	}
+
+	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;
+		}
+	}
+
+	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 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;
+}
+
+