downloads: handle multi-page results from Azure (#19138)

downloads/index.html

@@ -305,13 +305,37 @@
     </script>
 
     <script type="text/javascript">
+      // Create the blob retriever that iterates over all the pages of the blobstore.
+      var blobs = [];
+      var retrieveBlobs = function(marker, finished) {
+        // Generate the blob listing URL and request it from Azure
+        var url = 'https://gethstore.blob.core.windows.net/builds?restype=container&comp=list&maxresults=5000&prefix=geth-';
+        if (marker != "") {
+          url += "&marker=" + marker;
+        }
         $.ajax({
-        url: 'https://gethstore.blob.core.windows.net/builds?restype=container&comp=list',
+          url: url,
+          type: 'GET',
           error: function() {
             alert("Failed to load releases!");
           },
           dataType: 'xml',
           success: function(data) {
+            // List of blobs retrieved, acumulate them first of all
+            Array.prototype.push.apply(blobs, $(data).find('Blob'));
+
+            // If there are more pages, load them all
+            marker = $($(data).find('NextMarker')[0]).text();
+            if (marker != "") {
+              retrieveBlobs(marker, finished);
+            } else {
+              finished(blobs);
+            }
+          }
+        });
+      }
+      // Start retrieving the release blobs and populate the page on success
+      retrieveBlobs("", function() {
         // Define the release tables
         var releases = {
           stable:  [],
@@ -321,7 +345,6 @@
         var signatures = {};
 
         // Iterate over all the blobs and populate the tables
-          var blobs = $(data).find('Blob')
         for (var i = 0; i < blobs.length; i++) {
           // Gather all available resources to later inspection
           var name = $($(blobs[i]).find('Name')[0]).text();
@@ -332,12 +355,6 @@
             signatures[name] = true;
             continue;
           }
-
-            // Skip any blobs that do not start with "geth"
-            if (!name.startsWith("geth")) {
-              continue;
-            }
-
           // Otherwise add an entry to one of the release tables
           var parts = name.split("-");
           var date  = parts[parts.length-1].split(".")[0];
@@ -521,8 +538,6 @@
         }
         // Mark the request done to possibly hide the loading page
         requestDone();
-        },
-        type: 'GET'
       });
     </script>