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Azure Storage: List Blobs
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Azure Storage Blob Service REST API: Sample code to fetch the list of blobs in the specified container.Chilkat Go Downloads
success := false
// Azure Blob Service Example: List the blobs in a specified container.
// See also: https://msdn.microsoft.com/en-us/library/azure/dd135734.aspx
// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
rest := chilkat.NewRest()
// Connect to the Azure Storage Blob Service
bTls := true
port := 443
bAutoReconnect := true
// In this example, the storage account name is "chilkat".
success = rest.Connect("chilkat.blob.core.windows.net",port,bTls,bAutoReconnect)
if success == false {
fmt.Println(rest.LastErrorText())
rest.DisposeRest()
return
}
// Provide Azure Cloud credentials for the REST call.
azAuth := chilkat.NewAuthAzureStorage()
azAuth.SetAccessKey("AZURE_ACCESS_KEY")
// The account name used here should match the 1st part of the domain passed in the call to Connect (above).
azAuth.SetAccount("chilkat")
azAuth.SetScheme("SharedKey")
azAuth.SetService("Blob")
// This causes the "x-ms-version: 2021-08-06" header to be automatically added.
azAuth.SetXMsVersion("2021-08-06")
success = rest.SetAuthAzureStorage(azAuth)
// Note: The application does not need to explicitly set the following
// headers: x-ms-date, Authorization. These headers
// are automatically set by Chilkat.
// The expected success response is a 200 response status code with an XML response body.
// In this example, we are listing the blobs in the container named "mycontainer".
responseStr := rest.FullRequestNoBody("GET","/mycontainer?restype=container&comp=list")
if rest.LastMethodSuccess() == false {
fmt.Println(rest.LastErrorText())
rest.DisposeRest()
azAuth.DisposeAuthAzureStorage()
return
}
// When successful, the Azure Storage service will respond with a 200 response status code,
// with an XML response body.
if rest.ResponseStatusCode() != 200 {
// Examine the request/response to see what happened.
fmt.Println("response status code = ", rest.ResponseStatusCode())
fmt.Println("response status text = ", rest.ResponseStatusText())
fmt.Println("response header: ", rest.ResponseHeader())
fmt.Println("response body (if any): ", *responseStr)
fmt.Println("---")
fmt.Println("LastRequestStartLine: ", rest.LastRequestStartLine())
fmt.Println("LastRequestHeader: ", rest.LastRequestHeader())
rest.DisposeRest()
azAuth.DisposeAuthAzureStorage()
return
}
// Load the XML response for parsing.
// An example of the response XML is shown below.
xml := chilkat.NewXml()
success = xml.LoadXml(*responseStr)
fmt.Println(*xml.GetXml())
// Let's iterate over the blobs...
lastMod := chilkat.NewCkDateTime()
numBlobs := xml.NumChildrenAt("Blobs")
i := 0
dt := chilkat.NewDtObj()
for i < numBlobs {
fmt.Println("---- Blob ", i, " ----")
xml.SetI(i)
fmt.Println("Name: ", *xml.GetChildContent("Blobs|Blob[i]|Name"))
fmt.Println("Content-Length: ", *xml.GetChildContent("Blobs|Blob[i]|Properties|Content-Length"))
fmt.Println("Content-Type: ", *xml.GetChildContent("Blobs|Blob[i]|Properties|Content-Type"))
fmt.Println("Content-MD5: ", *xml.GetChildContent("Blobs|Blob[i]|Properties|Content-MD5"))
fmt.Println("BlobType: ", *xml.GetChildContent("Blobs|Blob[i]|Properties|BlobType"))
fmt.Println("LeaseStatus: ", *xml.GetChildContent("Blobs|Blob[i]|Properties|LeaseStatus"))
lastMod.SetFromRfc822(*xml.GetChildContent("Blobs|Blob[i]|Properties|Last-Modified"))
lastMod.ToDtObj(true,dt)
fmt.Println("Last-Modified YMD: ", dt.Year(), ",", dt.Month(), ",", dt.Day())
i = i + 1
}
fmt.Println("-------------------------")
// Use the ChilkatPath method to get information for a specific blob:
// For example, let's say we want the Last-Modified date/time for
// the blob named "helloWorld.txt"
lastModStr := xml.ChilkatPath("/C/Name,helloWorld.txt|..|Properties|Last-Modified|*")
fmt.Println("helloWorld.txt Last-Modified: ", *lastModStr)
fmt.Println("Success.")
// <?xml version="1.0" encoding="utf-8" ?>
// <EnumerationResults ServiceEndpoint="https://chilkat.blob.core.windows.net/" ContainerName="test">
// <Blobs>
// <Blob>
// <Name>hamletC.xml</Name>
// <Properties>
// <Last-Modified>Mon, 02 May 2016 23:50:30 GMT</Last-Modified>
// <Etag>0x8D372E48B6D323A</Etag>
// <Content-Length>279658</Content-Length>
// <Content-Type>application/octet-stream</Content-Type>
// <Content-Encoding />
// <Content-Language />
// <Content-MD5>4E6prI9haw81xadSLeEj3Q==</Content-MD5>
// <Cache-Control />
// <Content-Disposition>attachment; filename="hamletC.xml"</Content-Disposition>
// <BlobType>BlockBlob</BlobType>
// <LeaseStatus>unlocked</LeaseStatus>
// <LeaseState>available</LeaseState>
// </Properties>
// </Blob>
// <Blob>
// <Name>helloWorld.txt</Name>
// <Properties>
// <Last-Modified>Mon, 02 May 2016 15:21:55 GMT</Last-Modified>
// <Etag>0x8D3729D7EE38299</Etag>
// <Content-Length>12</Content-Length>
// <Content-Type>application/octet-stream</Content-Type>
// <Content-Encoding />
// <Content-Language />
// <Content-MD5>7Qdih1MuhjZehB6Sv8UNjA==</Content-MD5>
// <Cache-Control />
// <Content-Disposition>attachment; filename="helloWorld.txt"</Content-Disposition>
// <BlobType>BlockBlob</BlobType>
// <LeaseStatus>unlocked</LeaseStatus>
// <LeaseState>available</LeaseState>
// </Properties>
// </Blob>
// <Blob>
// <Name>thisIsATest.txt</Name>
// <Properties>
// <Last-Modified>Tue, 03 May 2016 00:22:13 GMT</Last-Modified>
// <Etag>0x8D372E8F9B2A62E</Etag>
// <Content-Length>1600</Content-Length>
// <Content-Type>application/octet-stream</Content-Type>
// <Content-Encoding />
// <Content-Language />
// <Content-MD5>FhgUXYfePg2ItsraPmz0Xg==</Content-MD5>
// <Cache-Control />
// <Content-Disposition>attachment; filename="thisIsATest.txt"</Content-Disposition>
// <BlobType>BlockBlob</BlobType>
// <LeaseStatus>unlocked</LeaseStatus>
// <LeaseState>available</LeaseState>
// </Properties>
// </Blob>
// </Blobs>
// <NextMarker />
// </EnumerationResults>
//
rest.DisposeRest()
azAuth.DisposeAuthAzureStorage()
xml.DisposeXml()
lastMod.DisposeCkDateTime()
dt.DisposeDtObj()