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Commit d6318863 authored by Ivan Tyagov's avatar Ivan Tyagov
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Add AWS storage sceleton. 

Add  example and code to generate AWS signature(WIP).
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UNGProject/aws/aws.js 0 → 100644
View file @ d6318863
// Small library to connect within a browser to an amazon S3 storage
var AWSAccessKeyId= "PUT_IT_HERE"
var YourSecretAccessKeyID= "PUT_IT_HERE"
var now = new Date();
var formatted_date = now.toUTCString()
var StringToSign = "GET\n\n\n" +formatted_date +"\n/jio_file.txt"
remote_url = 'http://XXXXXXXXXXXXX.amazonaws.com/XXXX.txt'
function getAuthorization(AWSAccessKeyId, YourSecretAccessKeyID, StringToSign){
/* Create a Amazon S3 signature based on provided keys */
StringToSign=Utf8.encode(StringToSign)
YourSecretAccessKeyID = Utf8.encode(YourSecretAccessKeyID);
signature = $.base64.encode(str_hmac_sha1(YourSecretAccessKeyID, StringToSign));
authorization = "AWS" + " " + AWSAccessKeyId + ":" + signature
return authorization;
}
function test(){
// disable browser security firefox
// try {
// netscape.security.PrivilegeManager.enablePrivilege("UniversalBrowserRead");
// } catch (e) {
// alert("UniversalBrowserRead failed");
// }
authorization = getAuthorization(AWSAccessKeyId, YourSecretAccessKeyID, StringToSign)
$.ajax({
url:remote_url,
type: 'get',
//headers: {"Authorization":authorization},
success: function(data, status) {console.log(data);
console.log(status);},
error: function(xhr, desc, err) {
console.log(xhr);
console.log("Desc: " + desc + "\nErr:" + err);
}
});
}
UNGProject/aws/index.html 0 → 100644
View file @ d6318863
<html>
<head>
<title>StartPage</title>
<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
<script src="jquery-1.7.1.min.js" type="text/javascript"></script>
<script src="jquery.base64.js" type="text/javascript"></script>
<script src="sha1.js" type="text/javascript"></script>
<script src="webtoolkit.utf8.js" type="text/javascript"></script>
<script src="aws.js" type="text/javascript"></script>
<script type="text/javascript" language="javascript">
//<![CDATA[
test();
//]]>
</script>
</head>
<body>
Test communicating with AJAX request to Amazon S3 storage
</body>
</html>
\ No newline at end of file
UNGProject/aws/index.html~ 0 → 100644
View file @ d6318863
<html>
<head>
<title>StartPage</title>
<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
<script src="jquery-1.7.1.min.js" type="text/javascript"></script>
<script src="jquery.base64.js" type="text/javascript"></script>
<script src="sha1.js" type="text/javascript"></script>
<script src="webtoolkit.utf8.js" type="text/javascript"></script>
<script src="aws.js" type="text/javascript"></script>
<script type="text/javascript" language="javascript">
//<![CDATA[
test();
//]]>
</script>
</script>
</head>
<body>
Test communicating with AJAX request to Amazon S3 storage
</body>
</html>
\ No newline at end of file
UNGProject/aws/jquery-1.7.1.min.js 0 → 100644
View file @ d6318863
This diff is collapsed.
UNGProject/aws/jquery.base64.js 0 → 100644
View file @ d6318863
/*jslint adsafe: false, bitwise: true, browser: true, cap: false, css: false,
debug: false, devel: true, eqeqeq: true, es5: false, evil: false,
forin: false, fragment: false, immed: true, laxbreak: false, newcap: true,
nomen: false, on: false, onevar: true, passfail: false, plusplus: true,
regexp: false, rhino: true, safe: false, strict: false, sub: false,
undef: true, white: false, widget: false, windows: false */
/*global jQuery: false, window: false */
"use strict";
/*
* Original code (c) 2010 Nick Galbreath
* http://code.google.com/p/stringencoders/source/browse/#svn/trunk/javascript
*
* jQuery port (c) 2010 Carlo Zottmann
* http://github.com/carlo/jquery-base64
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
/* base64 encode/decode compatible with window.btoa/atob
*
* window.atob/btoa is a Firefox extension to convert binary data (the "b")
* to base64 (ascii, the "a").
*
* It is also found in Safari and Chrome. It is not available in IE.
*
* if (!window.btoa) window.btoa = $.base64.encode
* if (!window.atob) window.atob = $.base64.decode
*
* The original spec's for atob/btoa are a bit lacking
* https://developer.mozilla.org/en/DOM/window.atob
* https://developer.mozilla.org/en/DOM/window.btoa
*
* window.btoa and $.base64.encode takes a string where charCodeAt is [0,255]
* If any character is not [0,255], then an exception is thrown.
*
* window.atob and $.base64.decode take a base64-encoded string
* If the input length is not a multiple of 4, or contains invalid characters
* then an exception is thrown.
*/
jQuery.base64 = ( function( $ ) {
var _PADCHAR = "=",
_ALPHA = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/",
_VERSION = "1.0";
function _getbyte64( s, i ) {
// This is oddly fast, except on Chrome/V8.
// Minimal or no improvement in performance by using a
// object with properties mapping chars to value (eg. 'A': 0)
var idx = _ALPHA.indexOf( s.charAt( i ) );
if ( idx === -1 ) {
throw "Cannot decode base64";
}
return idx;
}
function _decode( s ) {
var pads = 0,
i,
b10,
imax = s.length,
x = [];
s = String( s );
if ( imax === 0 ) {
return s;
}
if ( imax % 4 !== 0 ) {
throw "Cannot decode base64";
}
if ( s.charAt( imax - 1 ) === _PADCHAR ) {
pads = 1;
if ( s.charAt( imax - 2 ) === _PADCHAR ) {
pads = 2;
}
// either way, we want to ignore this last block
imax -= 4;
}
for ( i = 0; i < imax; i += 4 ) {
b10 = ( _getbyte64( s, i ) << 18 ) | ( _getbyte64( s, i + 1 ) << 12 ) | ( _getbyte64( s, i + 2 ) << 6 ) | _getbyte64( s, i + 3 );
x.push( String.fromCharCode( b10 >> 16, ( b10 >> 8 ) & 0xff, b10 & 0xff ) );
}
switch ( pads ) {
case 1:
b10 = ( _getbyte64( s, i ) << 18 ) | ( _getbyte64( s, i + 1 ) << 12 ) | ( _getbyte64( s, i + 2 ) << 6 );
x.push( String.fromCharCode( b10 >> 16, ( b10 >> 8 ) & 0xff ) );
break;
case 2:
b10 = ( _getbyte64( s, i ) << 18) | ( _getbyte64( s, i + 1 ) << 12 );
x.push( String.fromCharCode( b10 >> 16 ) );
break;
}
return x.join( "" );
}
function _getbyte( s, i ) {
var x = s.charCodeAt( i );
if ( x > 255 ) {
throw "INVALID_CHARACTER_ERR: DOM Exception 5";
}
return x;
}
function _encode( s ) {
if ( arguments.length !== 1 ) {
throw "SyntaxError: exactly one argument required";
}
s = String( s );
var i,
b10,
x = [],
imax = s.length - s.length % 3;
if ( s.length === 0 ) {
return s;
}
for ( i = 0; i < imax; i += 3 ) {
b10 = ( _getbyte( s, i ) << 16 ) | ( _getbyte( s, i + 1 ) << 8 ) | _getbyte( s, i + 2 );
x.push( _ALPHA.charAt( b10 >> 18 ) );
x.push( _ALPHA.charAt( ( b10 >> 12 ) & 0x3F ) );
x.push( _ALPHA.charAt( ( b10 >> 6 ) & 0x3f ) );
x.push( _ALPHA.charAt( b10 & 0x3f ) );
}
switch ( s.length - imax ) {
case 1:
b10 = _getbyte( s, i ) << 16;
x.push( _ALPHA.charAt( b10 >> 18 ) + _ALPHA.charAt( ( b10 >> 12 ) & 0x3F ) + _PADCHAR + _PADCHAR );
break;
case 2:
b10 = ( _getbyte( s, i ) << 16 ) | ( _getbyte( s, i + 1 ) << 8 );
x.push( _ALPHA.charAt( b10 >> 18 ) + _ALPHA.charAt( ( b10 >> 12 ) & 0x3F ) + _ALPHA.charAt( ( b10 >> 6 ) & 0x3f ) + _PADCHAR );
break;
}
return x.join( "" );
}
return {
decode: _decode,
encode: _encode,
VERSION: _VERSION
};
}( jQuery ) );
\ No newline at end of file
UNGProject/aws/sha1.js 0 → 100644
View file @ d6318863
/*
* A JavaScript implementation of the Secure Hash Algorithm, SHA-1, as defined
* in FIPS PUB 180-1
* Version 2.1a Copyright Paul Johnston 2000 - 2002.
* Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
* Distributed under the BSD License
* See http://pajhome.org.uk/crypt/md5 for details.
*/
/*
* Configurable variables. You may need to tweak these to be compatible with
* the server-side, but the defaults work in most cases.
*/
var hexcase = 0; /* hex output format. 0 - lowercase; 1 - uppercase */
var b64pad = ""; /* base-64 pad character. "=" for strict RFC compliance */
var chrsz = 8; /* bits per input character. 8 - ASCII; 16 - Unicode */
/*
* These are the functions you'll usually want to call
* They take string arguments and return either hex or base-64 encoded strings
*/
function hex_sha1(s){return binb2hex(core_sha1(str2binb(s),s.length * chrsz));}
function b64_sha1(s){return binb2b64(core_sha1(str2binb(s),s.length * chrsz));}
function str_sha1(s){return binb2str(core_sha1(str2binb(s),s.length * chrsz));}
function hex_hmac_sha1(key, data){ return binb2hex(core_hmac_sha1(key, data));}
function b64_hmac_sha1(key, data){ return binb2b64(core_hmac_sha1(key, data));}
function str_hmac_sha1(key, data){ return binb2str(core_hmac_sha1(key, data));}
/*
* Perform a simple self-test to see if the VM is working
*/
function sha1_vm_test()
{
return hex_sha1("abc") == "a9993e364706816aba3e25717850c26c9cd0d89d";
}
/*
* Calculate the SHA-1 of an array of big-endian words, and a bit length
*/
function core_sha1(x, len)
{
/* append padding */
x[len >> 5] |= 0x80 << (24 - len % 32);
x[((len + 64 >> 9) << 4) + 15] = len;
var w = Array(80);
var a = 1732584193;
var b = -271733879;
var c = -1732584194;
var d = 271733878;
var e = -1009589776;
for(var i = 0; i < x.length; i += 16)
{
var olda = a;
var oldb = b;
var oldc = c;
var oldd = d;
var olde = e;
for(var j = 0; j < 80; j++)
{
if(j < 16) w[j] = x[i + j];
else w[j] = rol(w[j-3] ^ w[j-8] ^ w[j-14] ^ w[j-16], 1);
var t = safe_add(safe_add(rol(a, 5), sha1_ft(j, b, c, d)),
safe_add(safe_add(e, w[j]), sha1_kt(j)));
e = d;
d = c;
c = rol(b, 30);
b = a;
a = t;
}
a = safe_add(a, olda);
b = safe_add(b, oldb);
c = safe_add(c, oldc);
d = safe_add(d, oldd);
e = safe_add(e, olde);
}
return Array(a, b, c, d, e);
}
/*
* Perform the appropriate triplet combination function for the current
* iteration
*/
function sha1_ft(t, b, c, d)
{
if(t < 20) return (b & c) | ((~b) & d);
if(t < 40) return b ^ c ^ d;
if(t < 60) return (b & c) | (b & d) | (c & d);
return b ^ c ^ d;
}
/*
* Determine the appropriate additive constant for the current iteration
*/
function sha1_kt(t)
{
return (t < 20) ? 1518500249 : (t < 40) ? 1859775393 :
(t < 60) ? -1894007588 : -899497514;
}
/*
* Calculate the HMAC-SHA1 of a key and some data
*/
function core_hmac_sha1(key, data)
{
var bkey = str2binb(key);
if(bkey.length > 16) bkey = core_sha1(bkey, key.length * chrsz);
var ipad = Array(16), opad = Array(16);
for(var i = 0; i < 16; i++)
{
ipad[i] = bkey[i] ^ 0x36363636;
opad[i] = bkey[i] ^ 0x5C5C5C5C;
}
var hash = core_sha1(ipad.concat(str2binb(data)), 512 + data.length * chrsz);
return core_sha1(opad.concat(hash), 512 + 160);
}
/*
* Add integers, wrapping at 2^32. This uses 16-bit operations internally
* to work around bugs in some JS interpreters.
*/
function safe_add(x, y)
{
var lsw = (x & 0xFFFF) + (y & 0xFFFF);
var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
return (msw << 16) | (lsw & 0xFFFF);
}
/*
* Bitwise rotate a 32-bit number to the left.
*/
function rol(num, cnt)
{
return (num << cnt) | (num >>> (32 - cnt));
}
/*
* Convert an 8-bit or 16-bit string to an array of big-endian words
* In 8-bit function, characters >255 have their hi-byte silently ignored.
*/
function str2binb(str)
{
var bin = Array();
var mask = (1 << chrsz) - 1;
for(var i = 0; i < str.length * chrsz; i += chrsz)
bin[i>>5] |= (str.charCodeAt(i / chrsz) & mask) << (32 - chrsz - i%32);
return bin;
}
/*
* Convert an array of big-endian words to a string
*/
function binb2str(bin)
{
var str = "";
var mask = (1 << chrsz) - 1;
for(var i = 0; i < bin.length * 32; i += chrsz)
str += String.fromCharCode((bin[i>>5] >>> (32 - chrsz - i%32)) & mask);
return str;
}
/*
* Convert an array of big-endian words to a hex string.
*/
function binb2hex(binarray)
{
var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef";
var str = "";
for(var i = 0; i < binarray.length * 4; i++)
{
str += hex_tab.charAt((binarray[i>>2] >> ((3 - i%4)*8+4)) & 0xF) +
hex_tab.charAt((binarray[i>>2] >> ((3 - i%4)*8 )) & 0xF);
}
return str;
}
/*
* Convert an array of big-endian words to a base-64 string
*/
function binb2b64(binarray)
{
var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
var str = "";
for(var i = 0; i < binarray.length * 4; i += 3)
{
var triplet = (((binarray[i >> 2] >> 8 * (3 - i %4)) & 0xFF) << 16)
| (((binarray[i+1 >> 2] >> 8 * (3 - (i+1)%4)) & 0xFF) << 8 )
| ((binarray[i+2 >> 2] >> 8 * (3 - (i+2)%4)) & 0xFF);
for(var j = 0; j < 4; j++)
{
if(i * 8 + j * 6 > binarray.length * 32) str += b64pad;
else str += tab.charAt((triplet >> 6*(3-j)) & 0x3F);
}
}
return str;
}
UNGProject/aws/webtoolkit.utf8.js 0 → 100644
View file @ d6318863
/**
*
* UTF-8 data encode / decode
* http://www.webtoolkit.info/
*
**/
var Utf8 = {
// public method for url encoding
encode : function (string) {
string = string.replace(/\r\n/g,"\n");
var utftext = "";
for (var n = 0; n < string.length; n++) {
var c = string.charCodeAt(n);
if (c < 128) {
utftext += String.fromCharCode(c);
}
else if((c > 127) && (c < 2048)) {
utftext += String.fromCharCode((c >> 6) | 192);
utftext += String.fromCharCode((c & 63) | 128);
}
else {
utftext += String.fromCharCode((c >> 12) | 224);
utftext += String.fromCharCode(((c >> 6) & 63) | 128);
utftext += String.fromCharCode((c & 63) | 128);
}
}
return utftext;
},
// public method for url decoding
decode : function (utftext) {
var string = "";
var i = 0;
var c = c1 = c2 = 0;
while ( i < utftext.length ) {
c = utftext.charCodeAt(i);
if (c < 128) {
string += String.fromCharCode(c);
i++;
}
else if((c > 191) && (c < 224)) {
c2 = utftext.charCodeAt(i+1);
string += String.fromCharCode(((c & 31) << 6) | (c2 & 63));
i += 2;
}
else {
c2 = utftext.charCodeAt(i+1);
c3 = utftext.charCodeAt(i+2);
string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
i += 3;
}
}
return string;
}
}
UNGProject/unhosted/jio.js
View file @ d6318863
......@@ -864,6 +864,92 @@
}
/************************************************************
*********************** AWSStorage ************************/
/**
* Class AWSStorage
* @class provides usual API to save/load/delete documents on the Amazon Web S3
* @param data : object containing every element needed to build the storage :
* "userName" : the name of the user
* @param applicant : object containing inforamtion about the person/application needing this JIO object
* XXX: this is just a prototype
*/
JIO.AWSStorage = function(data, applicant) {
this.userName = data.userName;
if(!localStorage.getItem(this.userName)) {localStorage[this.userName] = "{}"}//new user
this.documents = JSON.parse(localStorage.getItem(this.userName));//load documents
// HACK : re-stringify the content :
}
JIO.AWSStorage.prototype = {
/**
* check if an user already exist
* @param name : the name you want to check
* @return true if the name is free, false otherwise
*/
userNameAvailable: function(name) {
// XXX: How to check username is available and how to represent
// an user space in a file system like AWS ?
// XXX: how to make sure an user can not access other user's data if from the same bucket
},
/**
* load a document in the storage
* @param fileName : the name of the file where the data will be stored
* @param option : optional object containing
* "success" : the function to execute when the load is done
* "errorHandler" : the function to execute if an error occures
* @return the content of the document
*/
loadDocument: function(fileName, option) {
// XXX: Load document from AWS filesystem
},
/**
* save a document in the storage
* @param data : the data to store
* @param fileName : the name of the file where the data will be stored
* @param option : optional object containing
* success : the function to execute when the save is done
* errorHandler : the function to execute if an error occures
* overwrite : a boolean set to true if the document has to be overwritten
* oldData : last data downloaded. Used to know if data has changed since last download and has to been merged
*/
saveDocument: function(data, fileName, option) {
// XXX: save document to AWS filesystem
},
/**
* Delete a document or a list of documents from the storage
* @param file : fileName or array of fileNames to delete
* @param option : optional object containing
* "success" : the function to execute when the delete is done
* "errorHandler" : the function to execute if an error occures
*/
deleteDocument: function(file, option) {
// XXX: delete document from AWS filesystem
},
/**
* load the list of the documents in this storage
* @param option : optional object containing
* "success" : the function to execute when the load is done
* "errorHandler" : the function to execute if an error occures
* @return null if the request is asynchronous, the list of documents otherwise.
* @example {"file1":{fileName:"file1",creationDate:"Tue, 23 Aug 2011 15:18:32 GMT",lastModified:"Tue, 23 Aug 2011 15:18:32 GMT"},...}
*/
getDocumentList: function(option) {
// XXX: get list of documents for current user
},
save: function() {
// XXX:
}
}
/*************************************************************************
*************************** other functions *****************************/
......
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