pulls device Fingerprint from Server, if watch does not have one

- adds debug switch, where 'downloads' instead of 'wgt-private' is used
  so that files prevail after a reinstall
- watch saves a device fingerprint on the device itself
- some minor code simplification

-> future version of server should generate a UID and save to database

.sign/.manifest.tmp

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 <Reference URI=".git%2Fobjects%2F9d%2Fab2d1408775ca4094f6806e481cf85e8709ec4">
 <DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
 <DigestValue>8dWV9Unqdt7vmdOSzL5TGY9RETmJ1B9ZpX7jLIO3qBs=</DigestValue>
@@ -270,6 +294,14 @@
 <DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
 <DigestValue>Hljb7WQV6HW2SlXWnf79Z0JHFEEXiF854oWTNGeoqG0=</DigestValue>
 </Reference>
+<Reference URI=".git%2Fobjects%2Fa6%2Fbc412a33f362bd9ace7665ab3685485f0c4317">
+<DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
+<DigestValue>5GPHKyY55l27MwfkbPIQ9B5PntCJrDmUT/DkO0rl8hE=</DigestValue>
+</Reference>
+<Reference URI=".git%2Fobjects%2Fa9%2Fd3dcbd4f843cda902742f06e32b9dd18867332">
+<DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
+<DigestValue>EctDxWIH+mORkQkqEobAIposOPQ5h1l5hcgwPX4t+vE=</DigestValue>
+</Reference>
 <Reference URI=".git%2Fobjects%2Fb0%2F2c87ba502c06af3fb09ba7424e5846b1ba7575">
 <DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
 <DigestValue>9Ixa5p/uNZxKIdg2yDMUNp0wqic/7TnjdkMVm1eIqvs=</DigestValue>
@@ -350,13 +382,17 @@
 <DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
 <DigestValue>nGm01CzTeVlO+cEBhatCJfqvefpI81P907olWncqhbk=</DigestValue>
 </Reference>
+<Reference URI=".git%2Fobjects%2Ffc%2Ff3919d3b8e258f9e3bb0d698571e39d6736248">
+<DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
+<DigestValue>d7th5gSB33b1lhMhAY/fVAJdnL3sV+GK6VLWJYMB7i8=</DigestValue>
+</Reference>
 <Reference URI=".git%2Frefs%2Fheads%2Fdev">
 <DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
 <DigestValue>EIvs3h1xxNea4PFAxSSkyksJf7F8PzmIYmkW20Ddo64=</DigestValue>
 </Reference>
 <Reference URI=".git%2Frefs%2Fheads%2Fmaster">
 <DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
-<DigestValue>fs5KqXTQ2wG2taX9fbsDbEjAvOZzBrSuYdubB9dtFlk=</DigestValue>
+<DigestValue>TQyaXJWyglaOruKTOW7VIPIQVaoTdqnc1bOr24yqb8s=</DigestValue>
 </Reference>
 <Reference URI=".git%2Frefs%2Fremotes%2Forigin%2Fdev">
 <DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
@@ -364,7 +400,7 @@
 </Reference>
 <Reference URI=".git%2Frefs%2Fremotes%2Forigin%2Fmaster">
 <DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
-<DigestValue>fs5KqXTQ2wG2taX9fbsDbEjAvOZzBrSuYdubB9dtFlk=</DigestValue>
+<DigestValue>TQyaXJWyglaOruKTOW7VIPIQVaoTdqnc1bOr24yqb8s=</DigestValue>
 </Reference>
 <Reference URI="LICENSE.APLv2">
 <DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
@@ -400,7 +436,7 @@
 </Reference>
 <Reference URI="js%2Fapp.js">
 <DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
-<DigestValue>pn+BgYKiYnP40fp9amYrJvG/ksuToFs3d5Uolu/wnH8=</DigestValue>
+<DigestValue>KwYj3MbJUIv6eUkRR3bgZR0qICdD5G8Q8GZUG15S1Rg=</DigestValue>
 </Reference>
 <Reference URI="version.txt">
 <DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
@@ -415,11 +451,11 @@
 </Reference>
 </SignedInfo>
 <SignatureValue>
-cfa29AxcYNJE4l4ZqRgfsomvVMnAV4qomOmPnkgrY2llEpGnYwG68GSk/jOIp49edWRGrhHIgzck
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-emcQpDqZUBWjKpr0LJ31ti8mrN8CA99UbbYWNQ==
+gCJsXJLqH5hlBvLpi1nAVBvXuRwiJV3JsKaMHA==
 </SignatureValue>
 <KeyInfo>
 <X509Data>

.sign/signature1.xml

@@ -4,7 +4,7 @@
 <SignatureMethod Algorithm="http://www.w3.org/2001/04/xmldsig-more#rsa-sha256"></SignatureMethod>
 <Reference URI=".git%2FCOMMIT_EDITMSG">
 <DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
-<DigestValue>If4UvKpwCKVzkSRbfhig+JvSLjH1FoXhe8rrukf/WoY=</DigestValue>
+<DigestValue>0UtzmQB1ZW2nlb2XxSYxaRZULGy9s0DDn2H9wLrdTA8=</DigestValue>
 </Reference>
 <Reference URI=".git%2FHEAD">
 <DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
@@ -64,7 +64,7 @@
 </Reference>
 <Reference URI=".git%2Findex">
 <DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
-<DigestValue>rOuEvL2uYs09DB6RY1YHuSX6EuliHrA59IcqjMSFi8s=</DigestValue>
+<DigestValue>ORPU2uBnVg/LAARTyCr8tqUewoXLn+0NatGrBiJOcFc=</DigestValue>
 </Reference>
 <Reference URI=".git%2Finfo%2Fexclude">
 <DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
@@ -72,7 +72,7 @@
 </Reference>
 <Reference URI=".git%2Flogs%2FHEAD">
 <DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
-<DigestValue>0pObdvtd8sS6EgjGVhLlQucIjT6CBMHidnFrgD/Nrzk=</DigestValue>
+<DigestValue>jKVBtQOBaM24p9fsjNPFjcTLIz9DSchf180gxGNsneY=</DigestValue>
 </Reference>
 <Reference URI=".git%2Flogs%2Frefs%2Fheads%2Fdev">
 <DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
@@ -80,7 +80,7 @@
 </Reference>
 <Reference URI=".git%2Flogs%2Frefs%2Fheads%2Fmaster">
 <DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
-<DigestValue>9noZilKzpJNOhJ0Hb9OX2cXKZYG0FXdZO+kUsKM1pn8=</DigestValue>
+<DigestValue>MEkUz66a77lH7E+QVTF+qMq9d4jDs3yIkNi5HBX035g=</DigestValue>
 </Reference>
 <Reference URI=".git%2Flogs%2Frefs%2Fremotes%2Forigin%2Fdev">
 <DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
@@ -88,7 +88,7 @@
 </Reference>
 <Reference URI=".git%2Flogs%2Frefs%2Fremotes%2Forigin%2Fmaster">
 <DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
-<DigestValue>2PlqlV9Lby0oEWaD1BaFbRNn5iyYH+/ro4UnAO7qaOg=</DigestValue>
+<DigestValue>3rRj0Ge9+Nkmq4rA6UD/EfOyDAf9AQfip3tMiVdwpec=</DigestValue>
 </Reference>
 <Reference URI=".git%2Fobjects%2F02%2F741fe0d44ace36d88f500de55fe02f60e39681">
 <DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
@@ -146,6 +146,10 @@
 <DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
 <DigestValue>NWl0p1AAhqGIhpiPNnefVL7uzkqYFG1ZET6Oni7l45M=</DigestValue>
 </Reference>
+<Reference URI=".git%2Fobjects%2F49%2F496e1a19c44586b61915f6b716f9b4dfe5f053">
+<DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
+<DigestValue>aGSZypqKfEIjZK3p84gz/rWJF6x5Z0xxpiwpm0UIBpo=</DigestValue>
+</Reference>
 <Reference URI=".git%2Fobjects%2F4a%2Fb357c7634f49e522aeaaedefa83c4ff08443a9">
 <DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
 <DigestValue>a0Cz4lWC+0xWCzZUYUQL5O/bt35C7pRZ1XW3fOKXBBo=</DigestValue>
@@ -154,6 +158,10 @@
 <DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
 <DigestValue>f6PxYVuOzCEkwYdiFoTHy9qr/AuMjlE7eNGqr2N2Ok4=</DigestValue>
 </Reference>
+<Reference URI=".git%2Fobjects%2F4c%2F825cfc182d8c37a99229df7c319b939cbefcfe">
+<DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
+<DigestValue>70NBx2PRD46GwLI798K52XHYCCGDQS9609jvU+a+9hM=</DigestValue>
+</Reference>
 <Reference URI=".git%2Fobjects%2F4e%2F35166f13f37f8c3aed30d3019174573a026f4a">
 <DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
 <DigestValue>QvXy5hjAaFV6M3+qW1WfnrX4ZyFuiBAqpnCqfAheYXE=</DigestValue>
@@ -182,6 +190,10 @@
 <DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
 <DigestValue>RlbNnRkGavIiygXlfALbEtC8CSN19LfQ4x5Y92GdKfQ=</DigestValue>
 </Reference>
+<Reference URI=".git%2Fobjects%2F65%2F52df39f388ca27532fe33ddad968f78284d1b7">
+<DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
+<DigestValue>xgVfp/AbsWdR6aLsaJfH2NPufO47n+MtTNCu/oRuR14=</DigestValue>
+</Reference>
 <Reference URI=".git%2Fobjects%2F66%2F9e339e0d59da886483c0834d9397a29b53227a">
 <DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
 <DigestValue>+nhf1Io/Q9w8bVqA9LcSp1XFxyGSBjidM2mQC0g7m94=</DigestValue>
@@ -214,6 +226,10 @@
 <DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
 <DigestValue>3hbwK3TLaW1TVvT461gSaigsje2W/Ol74Ps+ElGSyIQ=</DigestValue>
 </Reference>
+<Reference URI=".git%2Fobjects%2F7b%2Fa4de53b4b4c9817ee311a5255e0b1c3d882d2f">
+<DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
+<DigestValue>8LW0HS2vKrstrtS0JkpW/MZUpYd6RGUQnC9Vq3OZAgU=</DigestValue>
+</Reference>
 <Reference URI=".git%2Fobjects%2F7c%2Fa3e1f9fd26cc61f712e13322b05c7e24ce1813">
 <DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
 <DigestValue>HvEW3s9pr5lX/U/e4ZOjuGQ5UKstesDe/4eJic1wvlo=</DigestValue>
@@ -222,6 +238,10 @@
 <DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
 <DigestValue>og3HdYsG8csdD7xUnIqOn7Lq9lyAlwRjG2XXXBZ+Cm4=</DigestValue>
 </Reference>
+<Reference URI=".git%2Fobjects%2F83%2F59de8d42ad6fe5fbab8aebdf5401a42ff60cd1">
+<DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
+<DigestValue>SSMX1i2uI8gZtbMt6DyZHNYo6dvP7yczWP13xfS/qqw=</DigestValue>
+</Reference>
 <Reference URI=".git%2Fobjects%2F84%2Ff503801400f81a402f3fb3f2830ec00ab4c630">
 <DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
 <DigestValue>evQo0GymDPIEFqd5BUKUqhrrNQXb9nr3wqTmCHV+J48=</DigestValue>
@@ -254,6 +274,10 @@
 <DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
 <DigestValue>3VGlqOkDSaru/bmv6eS/4byvPdKJeBDS6Bo/lnU2bgY=</DigestValue>
 </Reference>
+<Reference URI=".git%2Fobjects%2F9a%2F74540393adea282b7b01c01a403f85e611c788">
+<DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
+<DigestValue>iW4P0jXFYYZIzotFyAxh4PSJUhY4hc1mm2E+Y6ylLFg=</DigestValue>
+</Reference>
 <Reference URI=".git%2Fobjects%2F9d%2Fab2d1408775ca4094f6806e481cf85e8709ec4">
 <DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
 <DigestValue>8dWV9Unqdt7vmdOSzL5TGY9RETmJ1B9ZpX7jLIO3qBs=</DigestValue>
@@ -270,6 +294,14 @@
 <DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
 <DigestValue>Hljb7WQV6HW2SlXWnf79Z0JHFEEXiF854oWTNGeoqG0=</DigestValue>
 </Reference>
+<Reference URI=".git%2Fobjects%2Fa6%2Fbc412a33f362bd9ace7665ab3685485f0c4317">
+<DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
+<DigestValue>5GPHKyY55l27MwfkbPIQ9B5PntCJrDmUT/DkO0rl8hE=</DigestValue>
+</Reference>
+<Reference URI=".git%2Fobjects%2Fa9%2Fd3dcbd4f843cda902742f06e32b9dd18867332">
+<DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
+<DigestValue>EctDxWIH+mORkQkqEobAIposOPQ5h1l5hcgwPX4t+vE=</DigestValue>
+</Reference>
 <Reference URI=".git%2Fobjects%2Fb0%2F2c87ba502c06af3fb09ba7424e5846b1ba7575">
 <DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
 <DigestValue>9Ixa5p/uNZxKIdg2yDMUNp0wqic/7TnjdkMVm1eIqvs=</DigestValue>
@@ -350,13 +382,17 @@
 <DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
 <DigestValue>nGm01CzTeVlO+cEBhatCJfqvefpI81P907olWncqhbk=</DigestValue>
 </Reference>
+<Reference URI=".git%2Fobjects%2Ffc%2Ff3919d3b8e258f9e3bb0d698571e39d6736248">
+<DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
+<DigestValue>d7th5gSB33b1lhMhAY/fVAJdnL3sV+GK6VLWJYMB7i8=</DigestValue>
+</Reference>
 <Reference URI=".git%2Frefs%2Fheads%2Fdev">
 <DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
 <DigestValue>EIvs3h1xxNea4PFAxSSkyksJf7F8PzmIYmkW20Ddo64=</DigestValue>
 </Reference>
 <Reference URI=".git%2Frefs%2Fheads%2Fmaster">
 <DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
-<DigestValue>fs5KqXTQ2wG2taX9fbsDbEjAvOZzBrSuYdubB9dtFlk=</DigestValue>
+<DigestValue>TQyaXJWyglaOruKTOW7VIPIQVaoTdqnc1bOr24yqb8s=</DigestValue>
 </Reference>
 <Reference URI=".git%2Frefs%2Fremotes%2Forigin%2Fdev">
 <DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
@@ -364,7 +400,7 @@
 </Reference>
 <Reference URI=".git%2Frefs%2Fremotes%2Forigin%2Fmaster">
 <DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
-<DigestValue>fs5KqXTQ2wG2taX9fbsDbEjAvOZzBrSuYdubB9dtFlk=</DigestValue>
+<DigestValue>TQyaXJWyglaOruKTOW7VIPIQVaoTdqnc1bOr24yqb8s=</DigestValue>
 </Reference>
 <Reference URI="LICENSE.APLv2">
 <DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
@@ -380,7 +416,7 @@
 </Reference>
 <Reference URI="author-signature.xml">
 <DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
-<DigestValue>i5LdJFjTtonYJsYW4BDPEf6sR53/7HBmiMUs1FQP9L4=</DigestValue>
+<DigestValue>xSMT9koaQGLWaI27U8I/ENyfZYgCNld3eDcS063dBiE=</DigestValue>
 </Reference>
 <Reference URI="config.xml">
 <DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
@@ -404,7 +440,7 @@
 </Reference>
 <Reference URI="js%2Fapp.js">
 <DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
-<DigestValue>pn+BgYKiYnP40fp9amYrJvG/ksuToFs3d5Uolu/wnH8=</DigestValue>
+<DigestValue>KwYj3MbJUIv6eUkRR3bgZR0qICdD5G8Q8GZUG15S1Rg=</DigestValue>
 </Reference>
 <Reference URI="version.txt">
 <DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
@@ -419,11 +455,11 @@
 </Reference>
 </SignedInfo>
 <SignatureValue>
-FL55NCx5pBIhMWio7JMOrvQMi2nZikZrMM5aHLTC65SE/NuRiqEZHnfmSFldMLrq79K80HLsX9Vs
+OXlTUDqEKYQawnkNj+BXkKe+Q4i7aWYpBm67WsiV643m2thqC1MWdfAFwjIzXYmYsohD5uJOT3SU
-YUuu7YcRa5nPiT/wm+gaIkvH16tMM5fkdL/14bKr0POoDeiqgODoEApjoT+e/fuzFHOu1kxFRlIg
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-D5cDmt7X24vbt20wC/3W/wIs5xUDdRZiloLj16RlTu9k6RkyAN9cdOYNA8dsHA1XgiBiTrxuq+2/
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-F6bhh2/wkXcs60BUnhbA8NqDcEWgNv5dHzaB+Q==
+vtMJOwqVnwihQU2COuuzQErpVFnjpmPvEuNPlw==
 </SignatureValue>
 <KeyInfo>
 <X509Data>

js/app.js

@@ -14,8 +14,12 @@
  * limitations under the License. 	
  */
 
+
+/* 'downloads' for debugging, 
+ * 'wgt-private' for any release */
+var STORAGE_SPACE = "downloads";
 var events = null;
-var deviceId = null;
+var deviceFingerprint = null;
 var eventsTimeStamp = 0;
 
 (function() {
@@ -38,12 +42,18 @@ var eventsTimeStamp = 0;
             	console.log(exc.message)
             }
             
-            if(dirfile == null)
+            // if file not existed, call callback with null
-            	return null;
+            if(dirfile == null) {
+            	callback(null)
+            	return;
+            } else {
+            
+            	// if file was found, call callback with json
             dirfile.openStream("r", function(fs) {
             	callback(JSON.parse(fs.read(dirfile.fileSize)));
         		fs.close();
                 });
+            }
     	}
         
         function onerror(e){
@@ -51,7 +61,7 @@ var eventsTimeStamp = 0;
         }
         
         function onsuccessPermission(){
-        	tizen.filesystem.resolve("wgt-private", onsuccess, onerror, "rw");
+        	tizen.filesystem.resolve(STORAGE_SPACE, onsuccess, onerror, "rw");
         }
         
         function onErrorPermission(e){
@@ -61,7 +71,7 @@ var eventsTimeStamp = 0;
     	tizen.ppm.requestPermission("http://tizen.org/privilege/mediastorage", onsuccessPermission, onErrorPermission);
     }
     
-    function readJSON(path) {
+    function readJSON() {
     	/* - requests permission to view media storage
     	 * - resolves the file 'calendarevents'
     	 * - opens stream and reads entire file as json
@@ -70,25 +80,88 @@ var eventsTimeStamp = 0;
     	getJsonFile("calendarevents", function(eventlist) {events = eventlist;});
     	console.log(events);
     }
-
+    
-    function getDeviceID() {
+    function getNewFingerprintFromServer() {
-    	// check if device id set already as global, if it is return
+    	console.log("fingerprintfromserver");
-    	if(deviceId != null)
+    	getFileFromServer("/devicefingerprint.json", function() {
-    		return;
+        	console.log("1");
-    	
+    		getJsonFile("devicefingerprint", function(df) {devicefingerprint = df; console.log(devicefingerprint)});
-    	// otherwise, check if there is a devicefingerprint file in wft-private 
+    	});
-    	getJsonFile("devicefingerprint", function(df) {deviceId = df;})
-    	// if there is, open it up and get your device ID from it
-    	
-    	// otherwise, ask the longitude server for a device fingerprint file
     }
     
+
+    function getDeviceFingerprint() {
+    	console.log("getfingerprint");
+    	// check if device id set already as global, if it is return
+    	if(deviceFingerprint != null)
+    		return;
+    	
+    	// otherwise, check if there is a devicefingerprint file in wgt-private 
+    	// if there is, open it up and get your device ID from it
+    	getJsonFile("devicefingerprint", function(df) {
+    		if(df != null) {
+    			deviceFingerprint = df;
+    		} else {
+    			// otherwise, ask the longitude server for a device fingerprint file
+    			getNewFingerprintFromServer();
+    		}
+    	})
+    	
+    }
+    
+    function getFileFromServer(route, callback) {
+    	var server = "https://longitudecalendar.com/"
+    	var downloadRequest = new tizen.DownloadRequest(server + route, STORAGE_SPACE);
+    	tizen.systeminfo.getPropertyValue('NETWORK', function(networkInfo) {
+        if (networkInfo.networkType === 'NONE') {
+            console.log('Network connection is not available.Download is not possible.');
+            downloadRequest = null;
+        }
+    });
+    
+    var listener = {
+            /* When the download progresses (interval is platform-dependent) */
+            onprogress: function(id, receivedSize, totalSize) {
+            	console.log('progress for id: ' + id);
+            },
+
+            /* When the user pauses the download */
+            onpaused: function(id) {
+                console.log('Paused with id: ' + id);
+            },
+
+            /* When the user cancels the download */
+            oncanceled: function(id) {
+                console.log('Canceled with id: ' + id);
+            },
+
+            /* When the download is completed */
+            oncompleted: function(id, fullPath) {
+                console.log('Completed with id: ' + id + ', full path: ' + fullPath);
+                callback();
+            },
+
+            /* When the download fails */
+            onfailed: function(id, error) {
+                console.log('Failed with id: ' + id + ', error name: ' + error.name);
+            }
+        };
+    downloadId = tizen.download.start(downloadRequest, listener);
+    }
     function getJSON() {
     	
-    	/*if(deviceId == null) 
+    	if(deviceFingerprint == null) {
-    		return;
+    		getDeviceFingerprint();
-    	*/
+    		return false;
-        var downloadRequest = new tizen.DownloadRequest('https://longitudecalendar.com/userinfo/107971745944668140075/calendarevents.json', 'wgt-private');
+    	}
+    	
+    
+    	console.log(deviceFingerprint);
+    	console.log(deviceFingerprint.deviceId);
+    	getFileFromServer("userinfo/" + deviceFingerprint.deviceId + "/calendarevents.json", readJSON);
+    	return true;
+    	
+        var downloadRequest = new tizen.DownloadRequest('https://longitudecalendar.com/userinfo/107971745944668140075/calendarevents.json', STORAGE_SPACE);
             tizen.systeminfo.getPropertyValue('NETWORK', function(networkInfo) {
                 if (networkInfo.networkType === 'NONE') {
                     console.log('Network connection is not available.Download is not possible.');
@@ -116,7 +189,7 @@ var eventsTimeStamp = 0;
                     /* When the download is completed */
                     oncompleted: function(id, fullPath) {
                         console.log('Completed with id: ' + id + ', full path: ' + fullPath);
-                        readJSON(fullPath);
+                        readJSON();
                     },
 
                     /* When the download fails */
@@ -390,7 +463,6 @@ var eventsTimeStamp = 0;
         // Draw the text for date
         // renderText(ctxContent, date, center.x, center.y + (watchRadius * 0.5), 25, "#999999");
         
-        console.log(events);
         if(events == null)
         	return;
                 
@@ -454,8 +526,8 @@ var eventsTimeStamp = 0;
     	var currentTime = d.getTime();
     	if(eventsTimeStamp + offset_ms < currentTime){
     		getJSON();
-    		eventsTimeStamp = currentTime;
+			eventsTimeStamp = currentTime;
-    	}
+		}
     	
     	
     }
@@ -514,7 +586,7 @@ var eventsTimeStamp = 0;
         // Update the content of the watch every second
         setInterval(function() {
             drawWatchContent();
-            updateCalendar(600000);
+            updateCalendar(5000); //60000 -> 10 minutes
         }, 1000);
     }