JCLOUDS-1533 - Fix upload with SAS token when blob name contains slash (#61)

diff --git a/providers/azureblob/src/main/java/org/jclouds/azure/storage/filters/SharedKeyLiteAuthentication.java b/providers/azureblob/src/main/java/org/jclouds/azure/storage/filters/SharedKeyLiteAuthentication.java
index ad9f60d..6405800 100644
--- a/providers/azureblob/src/main/java/org/jclouds/azure/storage/filters/SharedKeyLiteAuthentication.java
+++ b/providers/azureblob/src/main/java/org/jclouds/azure/storage/filters/SharedKeyLiteAuthentication.java
@@ -23,6 +23,7 @@
 import static org.jclouds.util.Strings2.toInputStream;
 import org.jclouds.http.Uris.UriBuilder;
 
+import java.util.Arrays;
 import java.util.Collection;
 import java.util.Map;
 import java.util.Map.Entry;
@@ -120,8 +121,10 @@
       String[] parametersArray = cutUri(requestUri); 
       String containerName = parametersArray[1]; 
       UriBuilder endpoint = Uris.uriBuilder(storageUrl).appendPath(containerName);
-      if (parametersArray.length == 3) {
-         endpoint.appendPath(parametersArray[2]).query(finalQuery);
+      if (parametersArray.length >= 3) {
+         String[] blobNameParts = Arrays.copyOfRange(parametersArray, 2, parametersArray.length);
+         String blobName = Joiner.on("/").join(blobNameParts);
+         endpoint.appendPath(blobName).query(finalQuery);
       } else {
          endpoint.query("restype=container&" + finalQuery);
       }
diff --git a/providers/azureblob/src/test/java/org/jclouds/azure/storage/filters/SharedKeyLiteAuthenticationTest.java b/providers/azureblob/src/test/java/org/jclouds/azure/storage/filters/SharedKeyLiteAuthenticationTest.java
index 5e0c226..29672f4 100644
--- a/providers/azureblob/src/test/java/org/jclouds/azure/storage/filters/SharedKeyLiteAuthenticationTest.java
+++ b/providers/azureblob/src/test/java/org/jclouds/azure/storage/filters/SharedKeyLiteAuthenticationTest.java
@@ -62,6 +62,8 @@
                   + ".blob.core.windows.net/movies/MOV1.avi?comp=block&blockid=BlockId1&timeout=60").build(), filterSAS, "https://foo.blob.core.windows.net/movies/MOV1.avi?comp=block&blockid=BlockId1&timeout=60&sv=2018-03-28&ss=b&srt=sco&sp=rwdlac&se=2019-02-13T17%3A18%3A22Z&st=2019-02-13T09%3A18%3A22Z&spr=https&sig=sMnaKSD94CzEPeGnWauTT0wBNIn%2B4ySkZO5PEAW7zs%3D"},
             { HttpRequest.builder().method(HttpMethod.PUT).endpoint("https://" + ACCOUNT
                   + ".blob.core.windows.net/movies/MOV1.avi?comp=blocklist&timeout=120").build(), filterSAS, "https://foo.blob.core.windows.net/movies/MOV1.avi?comp=blocklist&timeout=120&sv=2018-03-28&ss=b&srt=sco&sp=rwdlac&se=2019-02-13T17%3A18%3A22Z&st=2019-02-13T09%3A18%3A22Z&spr=https&sig=sMnaKSD94CzEPeGnWauTT0wBNIn%2B4ySkZO5PEAW7zs%3D" },
+            { HttpRequest.builder().method(HttpMethod.PUT).endpoint("https://" + ACCOUNT
+                  + ".blob.core.windows.net/movies/comedy/MOV1.avi?comp=block&blockid=BlockId1&timeout=60").build(), filterSAS, "https://foo.blob.core.windows.net/movies/comedy/MOV1.avi?comp=block&blockid=BlockId1&timeout=60&sv=2018-03-28&ss=b&srt=sco&sp=rwdlac&se=2019-02-13T17%3A18%3A22Z&st=2019-02-13T09%3A18%3A22Z&spr=https&sig=sMnaKSD94CzEPeGnWauTT0wBNIn%2B4ySkZO5PEAW7zs%3D"},
             { HttpRequest.builder().method(HttpMethod.GET).endpoint("https://" + ACCOUNT
                   + ".blob.core.windows.net/movies/MOV1.avi").build(), filterSAS, "https://foo.blob.core.windows.net/movies/MOV1.avi?sv=2018-03-28&ss=b&srt=sco&sp=rwdlac&se=2019-02-13T17%3A18%3A22Z&st=2019-02-13T09%3A18%3A22Z&spr=https&sig=sMnaKSD94CzEPeGnWauTT0wBNIn%2B4ySkZO5PEAW7zs%3D" }, 
             { HttpRequest.builder().method(HttpMethod.GET).endpoint("https://" + ACCOUNT