(Lianja) S3 Add Tags to an Object

See more Amazon S3 (new) Examples

Demonstrates how to add one or more tags to an S3 object.

For more information, see https://docs.aws.amazon.com/AmazonS3/latest/API/API_PutObjectTagging.html

Chilkat Lianja Extension Download Chilkat Lianja Extension

// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

loRest = createobject("CkRest")

// Connect to the Amazon AWS REST server in the desired region.
// (for us-east-1, we use "s3.amazonaws.com", but for another region, such as us-west-2, we would use "s3-us-west-2.amazonaws.com")
llBTls = .T.
lnPort = 443
llBAutoReconnect = .T.
llSuccess = loRest.Connect("s3.amazonaws.com",lnPort,llBTls,llBAutoReconnect)

// Provide AWS credentials.
loAuthAws = createobject("CkAuthAws")
loAuthAws.AccessKey = "AWS_ACCESS_KEY"
loAuthAws.SecretKey = "AWS_SECRET_KEY"
loAuthAws.ServiceName = "s3"
loAuthAws.Region = "us-east-1"

loRest.SetAuthAws(loAuthAws)

// Set the bucket name via the HOST header.
// In this case, the bucket name is "chilkat100".
// Note that the Host header should use "bucketName.s3.amazonaws.com", not "bucketName.s3-us-east-1.amazonaws.com"
// The same applies to aother regions.  The Host header should simply be <bucketName>.s3.amazonaws.com regardless of the region.
loRest.Host = "chilkat100.s3.amazonaws.com"

loXml = createobject("CkXml")
loXml.Tag = "Tagging"
loXml.UpdateChildContent("TagSet|Tag|Key","plant")
loXml.UpdateChildContent("TagSet|Tag|Value","chili pepper")

loSbRequestBody = createobject("CkStringBuilder")
loXml.GetXmlSb(loSbRequestBody)

// It is important to add the terminating "=" after the "?tagging".
loSbResponse = createobject("CkStringBuilder")
llSuccess = loRest.FullRequestSb("PUT","/chiliPepper.gif?tagging=",loSbRequestBody,loSbResponse)
if (llSuccess = .F.) then
    ? loRest.LastErrorText
    release loRest
    release loAuthAws
    release loXml
    release loSbRequestBody
    release loSbResponse
    return
endif

? "Response status code: " + str(loRest.ResponseStatusCode)

// When successful, the S3 Storage service will respond with a 200 response code,
// with an XML body.  
if (loRest.ResponseStatusCode <> 200) then
    // Examine the request/response to see what happened.
    ? "response status code = " + str(loRest.ResponseStatusCode)
    ? "response status text = " + loRest.ResponseStatusText
    ? "response header: " + loRest.ResponseHeader
    ? "response body: " + loSbResponse.GetAsString()
    ? "---"
    ? "LastRequestStartLine: " + loRest.LastRequestStartLine
    ? "LastRequestHeader: " + loRest.LastRequestHeader
endif

? loSbResponse.GetAsString()
? "Success."


release loRest
release loAuthAws
release loXml
release loSbRequestBody
release loSbResponse