From a4d68e7decb56579209f826830bb4c2e6233f62a Mon Sep 17 00:00:00 2001
From: Julian Maurice <julian.maurice@biblibre.com>
Date: Thu, 25 Jun 2015 11:45:01 +0200
Subject: [PATCH] Bug 14461: API authentication for SwaggerUI

---
 api/v1/doc/css/screen.css     |  5 ++++-
 api/v1/doc/index.html         | 41 ++++++++++++++++++++++++-----------------
 api/v1/doc/lib/hmac-sha256.js | 18 ++++++++++++++++++
 3 files changed, 46 insertions(+), 18 deletions(-)
 create mode 100644 api/v1/doc/lib/hmac-sha256.js

diff --git a/api/v1/doc/css/screen.css b/api/v1/doc/css/screen.css
index 32b199b..818252a 100644
--- a/api/v1/doc/css/screen.css
+++ b/api/v1/doc/css/screen.css
@@ -1216,7 +1216,10 @@
   margin: 0 10px 0 0;
 }
 .swagger-section #header form#api_selector .input input#input_apiKey {
-  width: 200px;
+  width: 100px;
+}
+.swagger-section #header form#api_selector .input input#input_username {
+  width: 100px;
 }
 .swagger-section #header form#api_selector .input input#input_baseUrl {
   width: 400px;
diff --git a/api/v1/doc/index.html b/api/v1/doc/index.html
index c06ab62..b430114 100644
--- a/api/v1/doc/index.html
+++ b/api/v1/doc/index.html
@@ -20,9 +20,10 @@
   <script src='swagger-ui.js' type='text/javascript'></script>
   <script src='lib/highlight.7.3.pack.js' type='text/javascript'></script>
   <script src='lib/marked.js' type='text/javascript'></script>
+  <script src="lib/hmac-sha256.js"></script>
 
   <!-- enabling this will enable oauth2 implicit scope support -->
-  <script src='lib/swagger-oauth.js' type='text/javascript'></script>
+  <!-- <script src='lib/swagger-oauth.js' type='text/javascript'></script> -->
   <script type="text/javascript">
     $(function () {
       var url = window.location.search.match(/url=([^&]+)/);
@@ -56,25 +57,30 @@
         sorter : "alpha"
       });
 
-      function addApiKeyAuthorization() {
-        var key = $('#input_apiKey')[0].value;
-        log("key: " + key);
-        if(key && key.trim() != "") {
-            log("added key " + key);
-            window.authorizations.add("api_key", new ApiKeyAuthorization("api_key", key, "query"));
-        }
+      function get_url_path_and_query(url) {
+        var a = document.createElement('a');
+        a.href = url;
+        return a.pathname + a.search;
       }
 
-      $('#input_apiKey').change(function() {
-        addApiKeyAuthorization();
-      });
+      var KohaAuthorization = function() {
+      };
+
+      KohaAuthorization.prototype.apply = function(obj, authorizations) {
+        var user = $('#input_username').val();
+        var apikey = $('#input_apiKey').val();
+        if (user && apikey) {
+          var method = obj.method.toUpperCase();
+          var url = get_url_path_and_query(obj.url);
+          var timestamp = +new Date();
+          var message = method + ' ' + url + ' ' + user + ' ' + timestamp;
+          obj.headers['X-Koha-Signature'] = CryptoJS.HmacSHA256(message, apikey);
+          obj.headers['X-Koha-Timestamp'] = timestamp;
+          obj.headers['X-Koha-Username'] = user;
+        }
+      };
 
-      // if you have an apiKey you would like to pre-populate on the page for demonstration purposes...
-      /*
-        var apiKey = "myApiKeyXXXX123456789";
-        $('#input_apiKey').val(apiKey);
-        addApiKeyAuthorization();
-      */
+      window.authorizations.add("koha", new KohaAuthorization());
 
       window.swaggerUi.load();
   });
@@ -87,6 +93,7 @@
     <a id="logo" href="http://swagger.io">swagger</a>
     <form id='api_selector'>
       <div class='input'><input placeholder="http://example.com/api" id="input_baseUrl" name="baseUrl" type="text"/></div>
+      <div class='input'><input placeholder="username" id="input_username" name="username" type="text"/></div>
       <div class='input'><input placeholder="api_key" id="input_apiKey" name="apiKey" type="text"/></div>
       <div class='input'><a id="explore" href="#">Explore</a></div>
     </form>
diff --git a/api/v1/doc/lib/hmac-sha256.js b/api/v1/doc/lib/hmac-sha256.js
new file mode 100644
index 0000000..c822cfb
--- /dev/null
+++ b/api/v1/doc/lib/hmac-sha256.js
@@ -0,0 +1,18 @@
+/*
+CryptoJS v3.1.2
+code.google.com/p/crypto-js
+(c) 2009-2013 by Jeff Mott. All rights reserved.
+code.google.com/p/crypto-js/wiki/License
+*/
+var CryptoJS=CryptoJS||function(h,s){var f={},g=f.lib={},q=function(){},m=g.Base={extend:function(a){q.prototype=this;var c=new q;a&&c.mixIn(a);c.hasOwnProperty("init")||(c.init=function(){c.$super.init.apply(this,arguments)});c.init.prototype=c;c.$super=this;return c},create:function(){var a=this.extend();a.init.apply(a,arguments);return a},init:function(){},mixIn:function(a){for(var c in a)a.hasOwnProperty(c)&&(this[c]=a[c]);a.hasOwnProperty("toString")&&(this.toString=a.toString)},clone:function(){return this.init.prototype.extend(this)}},
+r=g.WordArray=m.extend({init:function(a,c){a=this.words=a||[];this.sigBytes=c!=s?c:4*a.length},toString:function(a){return(a||k).stringify(this)},concat:function(a){var c=this.words,d=a.words,b=this.sigBytes;a=a.sigBytes;this.clamp();if(b%4)for(var e=0;e<a;e++)c[b+e>>>2]|=(d[e>>>2]>>>24-8*(e%4)&255)<<24-8*((b+e)%4);else if(65535<d.length)for(e=0;e<a;e+=4)c[b+e>>>2]=d[e>>>2];else c.push.apply(c,d);this.sigBytes+=a;return this},clamp:function(){var a=this.words,c=this.sigBytes;a[c>>>2]&=4294967295<<
+32-8*(c%4);a.length=h.ceil(c/4)},clone:function(){var a=m.clone.call(this);a.words=this.words.slice(0);return a},random:function(a){for(var c=[],d=0;d<a;d+=4)c.push(4294967296*h.random()|0);return new r.init(c,a)}}),l=f.enc={},k=l.Hex={stringify:function(a){var c=a.words;a=a.sigBytes;for(var d=[],b=0;b<a;b++){var e=c[b>>>2]>>>24-8*(b%4)&255;d.push((e>>>4).toString(16));d.push((e&15).toString(16))}return d.join("")},parse:function(a){for(var c=a.length,d=[],b=0;b<c;b+=2)d[b>>>3]|=parseInt(a.substr(b,
+2),16)<<24-4*(b%8);return new r.init(d,c/2)}},n=l.Latin1={stringify:function(a){var c=a.words;a=a.sigBytes;for(var d=[],b=0;b<a;b++)d.push(String.fromCharCode(c[b>>>2]>>>24-8*(b%4)&255));return d.join("")},parse:function(a){for(var c=a.length,d=[],b=0;b<c;b++)d[b>>>2]|=(a.charCodeAt(b)&255)<<24-8*(b%4);return new r.init(d,c)}},j=l.Utf8={stringify:function(a){try{return decodeURIComponent(escape(n.stringify(a)))}catch(c){throw Error("Malformed UTF-8 data");}},parse:function(a){return n.parse(unescape(encodeURIComponent(a)))}},
+u=g.BufferedBlockAlgorithm=m.extend({reset:function(){this._data=new r.init;this._nDataBytes=0},_append:function(a){"string"==typeof a&&(a=j.parse(a));this._data.concat(a);this._nDataBytes+=a.sigBytes},_process:function(a){var c=this._data,d=c.words,b=c.sigBytes,e=this.blockSize,f=b/(4*e),f=a?h.ceil(f):h.max((f|0)-this._minBufferSize,0);a=f*e;b=h.min(4*a,b);if(a){for(var g=0;g<a;g+=e)this._doProcessBlock(d,g);g=d.splice(0,a);c.sigBytes-=b}return new r.init(g,b)},clone:function(){var a=m.clone.call(this);
+a._data=this._data.clone();return a},_minBufferSize:0});g.Hasher=u.extend({cfg:m.extend(),init:function(a){this.cfg=this.cfg.extend(a);this.reset()},reset:function(){u.reset.call(this);this._doReset()},update:function(a){this._append(a);this._process();return this},finalize:function(a){a&&this._append(a);return this._doFinalize()},blockSize:16,_createHelper:function(a){return function(c,d){return(new a.init(d)).finalize(c)}},_createHmacHelper:function(a){return function(c,d){return(new t.HMAC.init(a,
+d)).finalize(c)}}});var t=f.algo={};return f}(Math);
+(function(h){for(var s=CryptoJS,f=s.lib,g=f.WordArray,q=f.Hasher,f=s.algo,m=[],r=[],l=function(a){return 4294967296*(a-(a|0))|0},k=2,n=0;64>n;){var j;a:{j=k;for(var u=h.sqrt(j),t=2;t<=u;t++)if(!(j%t)){j=!1;break a}j=!0}j&&(8>n&&(m[n]=l(h.pow(k,0.5))),r[n]=l(h.pow(k,1/3)),n++);k++}var a=[],f=f.SHA256=q.extend({_doReset:function(){this._hash=new g.init(m.slice(0))},_doProcessBlock:function(c,d){for(var b=this._hash.words,e=b[0],f=b[1],g=b[2],j=b[3],h=b[4],m=b[5],n=b[6],q=b[7],p=0;64>p;p++){if(16>p)a[p]=
+c[d+p]|0;else{var k=a[p-15],l=a[p-2];a[p]=((k<<25|k>>>7)^(k<<14|k>>>18)^k>>>3)+a[p-7]+((l<<15|l>>>17)^(l<<13|l>>>19)^l>>>10)+a[p-16]}k=q+((h<<26|h>>>6)^(h<<21|h>>>11)^(h<<7|h>>>25))+(h&m^~h&n)+r[p]+a[p];l=((e<<30|e>>>2)^(e<<19|e>>>13)^(e<<10|e>>>22))+(e&f^e&g^f&g);q=n;n=m;m=h;h=j+k|0;j=g;g=f;f=e;e=k+l|0}b[0]=b[0]+e|0;b[1]=b[1]+f|0;b[2]=b[2]+g|0;b[3]=b[3]+j|0;b[4]=b[4]+h|0;b[5]=b[5]+m|0;b[6]=b[6]+n|0;b[7]=b[7]+q|0},_doFinalize:function(){var a=this._data,d=a.words,b=8*this._nDataBytes,e=8*a.sigBytes;
+d[e>>>5]|=128<<24-e%32;d[(e+64>>>9<<4)+14]=h.floor(b/4294967296);d[(e+64>>>9<<4)+15]=b;a.sigBytes=4*d.length;this._process();return this._hash},clone:function(){var a=q.clone.call(this);a._hash=this._hash.clone();return a}});s.SHA256=q._createHelper(f);s.HmacSHA256=q._createHmacHelper(f)})(Math);
+(function(){var h=CryptoJS,s=h.enc.Utf8;h.algo.HMAC=h.lib.Base.extend({init:function(f,g){f=this._hasher=new f.init;"string"==typeof g&&(g=s.parse(g));var h=f.blockSize,m=4*h;g.sigBytes>m&&(g=f.finalize(g));g.clamp();for(var r=this._oKey=g.clone(),l=this._iKey=g.clone(),k=r.words,n=l.words,j=0;j<h;j++)k[j]^=1549556828,n[j]^=909522486;r.sigBytes=l.sigBytes=m;this.reset()},reset:function(){var f=this._hasher;f.reset();f.update(this._iKey)},update:function(f){this._hasher.update(f);return this},finalize:function(f){var g=
+this._hasher;f=g.finalize(f);g.reset();return g.finalize(this._oKey.clone().concat(f))}})})();
-- 
1.9.1