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authorSilvio Rhatto <rhatto@riseup.net>2013-12-29 20:45:58 -0200
committerSilvio Rhatto <rhatto@riseup.net>2013-12-29 20:45:58 -0200
commit97e689213ff4e829f251af526ed4e796a3cc2b71 (patch)
treeb04d03ec56305041216b72328fc9b5afde27bc76 /mod/beechat/views/default/js/b64.js.php
parent0ab6351abb7a602d96c62b0ad35413c88113a6cf (diff)
parent69e2d8c5d8732042c9319aef1fdea45a82b63e42 (diff)
downloadelgg-97e689213ff4e829f251af526ed4e796a3cc2b71.tar.gz
elgg-97e689213ff4e829f251af526ed4e796a3cc2b71.tar.bz2
Merge branch 'master' into saravea
Conflicts: .gitmodules mod/admins mod/assemblies mod/audio_html5 mod/beechat mod/crud mod/elgg-activitystreams mod/elggman mod/elggpg mod/favorites mod/federated-objects mod/friendly_time mod/group_alias mod/group_operators mod/languages mod/lightpics mod/openid_client mod/spotlight mod/suicide mod/tasks mod/videolist
Diffstat (limited to 'mod/beechat/views/default/js/b64.js.php')
-rw-r--r--mod/beechat/views/default/js/b64.js.php74
1 files changed, 74 insertions, 0 deletions
diff --git a/mod/beechat/views/default/js/b64.js.php b/mod/beechat/views/default/js/b64.js.php
new file mode 100644
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+++ b/mod/beechat/views/default/js/b64.js.php
@@ -0,0 +1,74 @@
+// This code was written by Tyler Akins and has been placed in the
+// public domain. It would be nice if you left this header intact.
+// Base64 code from Tyler Akins -- http://rumkin.com
+
+var keyStr = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
+
+/**
+ * Encodes a string in base64
+ * @param {String} input The string to encode in base64.
+ */
+function encode64(input) {
+ var output = "";
+ var chr1, chr2, chr3;
+ var enc1, enc2, enc3, enc4;
+ var i = 0;
+
+ do {
+ chr1 = input.charCodeAt(i++);
+ chr2 = input.charCodeAt(i++);
+ chr3 = input.charCodeAt(i++);
+
+ enc1 = chr1 >> 2;
+ enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
+ enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
+ enc4 = chr3 & 63;
+
+ if (isNaN(chr2)) {
+ enc3 = enc4 = 64;
+ } else if (isNaN(chr3)) {
+ enc4 = 64;
+ }
+
+ output = output + keyStr.charAt(enc1) + keyStr.charAt(enc2) +
+ keyStr.charAt(enc3) + keyStr.charAt(enc4);
+ } while (i < input.length);
+
+ return output;
+}
+
+/**
+ * Decodes a base64 string.
+ * @param {String} input The string to decode.
+ */
+function decode64(input) {
+ var output = "";
+ var chr1, chr2, chr3;
+ var enc1, enc2, enc3, enc4;
+ var i = 0;
+
+ // remove all characters that are not A-Z, a-z, 0-9, +, /, or =
+ input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");
+
+ do {
+ enc1 = keyStr.indexOf(input.charAt(i++));
+ enc2 = keyStr.indexOf(input.charAt(i++));
+ enc3 = keyStr.indexOf(input.charAt(i++));
+ enc4 = keyStr.indexOf(input.charAt(i++));
+
+ chr1 = (enc1 << 2) | (enc2 >> 4);
+ chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
+ chr3 = ((enc3 & 3) << 6) | enc4;
+
+ output = output + String.fromCharCode(chr1);
+
+ if (enc3 != 64) {
+ output = output + String.fromCharCode(chr2);
+ }
+ if (enc4 != 64) {
+ output = output + String.fromCharCode(chr3);
+ }
+ } while (i < input.length);
+
+ return output;
+}