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author | Silvio Rhatto <rhatto@riseup.net> | 2013-12-29 20:45:58 -0200 |
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committer | Silvio Rhatto <rhatto@riseup.net> | 2013-12-29 20:45:58 -0200 |
commit | 97e689213ff4e829f251af526ed4e796a3cc2b71 (patch) | |
tree | b04d03ec56305041216b72328fc9b5afde27bc76 /mod/beechat/views/default/js/b64.js.php | |
parent | 0ab6351abb7a602d96c62b0ad35413c88113a6cf (diff) | |
parent | 69e2d8c5d8732042c9319aef1fdea45a82b63e42 (diff) | |
download | elgg-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.php | 74 |
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 index 000000000..201bdbd7c --- /dev/null +++ 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; +} |