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Diffstat (limited to 'jsaccess/jsa/jsa.js')
| -rw-r--r-- | jsaccess/jsa/jsa.js | 205 |
1 files changed, 0 insertions, 205 deletions
diff --git a/jsaccess/jsa/jsa.js b/jsaccess/jsa/jsa.js deleted file mode 100644 index 9f1cb9e..0000000 --- a/jsaccess/jsa/jsa.js +++ /dev/null @@ -1,205 +0,0 @@ -/* jsaccess - private web file sharing using client side crypto - * jsa.js: Main javascript file */ - -/* - * Copyright (c) 2013 Laurent Ghigonis <laurent@gouloum.fr> - * - * Permission to use, copy, modify, and distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR - * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF - * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -/* Reference code */ -//console.log(JSON.stringify(xhr)); - -/* ===== PUBLIC - called by html ===== */ - -/* Called on "body" load */ -function jsainit() { - /* Focus password field */ - $("input:text:visible:first").focus(); - - /* Banner text */ - $.ajax({ - url: "banner/banner.txt", - beforeSend: function ( xhr ) { - xhr.overrideMimeType("text/plain"); - }, - success: function (data) { - $('#header h1').html(data); - } - }); - /* Banner image */ - $.ajax({ - url: "banner/banner.png", - beforeSend: function ( xhr ) { - xhr.overrideMimeType("image/png"); - }, - success: function (data) { - $('#banner img').attr('src', "banner/banner.png"); - /* Banner image link */ - $.ajax({ - url: "banner/banner-png-href.txt", - beforeSend: function ( xhr ) { - xhr.overrideMimeType("text/plain"); - }, - success: function (data) { - $('#banner a').attr('href', data); - } - }); - }, - error: function (data) { - $('#banner img').remove(); - } - }); -} - -/* Called on "Get files list" click */ -function jsagetlist() { - var pass = document.getElementById('password').value; - var RMD160 = new Hashes.RMD160; - var hash = RMD160.hex(pass); - - _status("Getting file list ..."); - listreq = $.ajax({ - url: 'store/' + hash + '/index.txt', - beforeSend: function ( xhr ) { - xhr.overrideMimeType("application/base64"); - }, - success: function ( data ) { - _status("We have file list"); - _showfiles(data, pass, hash); - }, - error: function (xhr, opts, err) { - // XXX differentiate crypto and permission errors - _status("Bad password"); - document.getElementById('files').innerHTML = ""; - throw(err); - } - }); -} - -/* Called on "Download" click */ -function jsadl() { - var pass = document.getElementById('password').value; - var file = $('input[name=file]:checked').val(); - - if (!file) - _status("You have to select a file"); - else - obj = _dl(file, pass); -} - -/* ===== PRIVATE - called within this javascript file ===== */ - -function _index_read(file) { - var name = file.substring(0, file.lastIndexOf(" ")); - var meta = file.split(" ").pop().replace("(", "").replace(")", ""); - var size = meta.split(",")[0]; - var crypt = meta.split(",")[1]; - return {name: name, size: size, crypt: crypt}; -} - -function _showfiles(data, pass, hash) { - try { - var decrypted = GibberishAES.dec(data, pass); - } catch(err) { - _status(err.toString()); - throw err; - } - - document.getElementById('files').innerHTML = ""; - lines = decrypted.split("\n").filter(function(n){return n}); - $.each(lines, - function( idx, obj ){ - obj = obj.trim(); - var meta = _index_read(obj); - console.log(meta); - extra = ""; - if (meta.crypt == 'nocrypt') - extra = " (c)"; - var btn = $('<label><input type="radio" name="file" value="'+obj+'">'+meta.name+' ['+meta.size+']'+extra+'</input></label><br/>'); - btn.appendTo('#files'); - }); - $("input:radio[name=file]:first").attr('checked', true); -} - -function _dl(file, pass) { - var RMD160 = new Hashes.RMD160; - - var dirhash = RMD160.hex(pass); - var meta = _index_read(file); - _status("Downloading \""+meta.name+"\" ..."); - - /* File is not encrypted */ - if (meta.crypt == 'nocrypt') { - var path = 'store/' + dirhash + '/' + meta.name; - _status("File is in your hands,<br/>Have a good day.<br/>"); - window.location = path; - return; - } - - /* File is encrypted */ - var path = 'store/' + dirhash + '/' + RMD160.hex(dirhash + meta.name); - dlreq = $.ajax({ - url: path, - beforeSend: function ( xhr ) { - xhr.overrideMimeType("application/base64"); - }, - success: function ( data ) { - _status("Download complete, decrypting ...", - function() { _decrypt(data, pass, meta.name); }); - }, - error: function (xhr, opts, err) { - _status("Dowload failed (status="+xhr.status+")"); - throw(err); - } - }); -} - -function _decrypt(obj, pass, name) { - try { - var decrypted = GibberishAES.dec(obj, pass); - } catch(err) { - _status(err.toString()); - throw err; - } - out = $.base64.decode(decrypted.toString()); - _status("Decrypted successfuly, saving ..."); - _save(out, name); -} - -function _save(obj, name) { - var ab = new ArrayBuffer(obj.length); - var ia = new Uint8Array(ab); - for (var i = 0; i < obj.length; i++) { - ia[i] = obj.charCodeAt(i); - } - var blob = new Blob([ia], {type:"application/octet-binary"}); - saveAs(blob, name); - _status("File is in your hands,<br/>Have a good day.<br/>"); -} - -function _status(txt, run_func) { - var div = document.getElementById('status_p'); - div.innerHTML = div.innerHTML + '<br/>' + txt; - /* force refresh with trick */ - jQuery.fn.redraw = function() { - return this.hide(0, function() { - $(this).show(); - }); - }; - $('#status_p').redraw(); - /* force refresh with async execution */ - if (run_func) - setTimeout(run_func, 100); -} - |