(Lianja) S3 List Bucket Objects (Bucket-in-Path)

Demonstrates how to fetch a list of objects in an S3 bucket, but using the bucket-in-path request format instead of putting the bucket name in the HOST header.

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// 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.
llBTls = .T.
lnPort = 443
llBAutoReconnect = .T.
llSuccess = loRest.Connect("s3.amazonaws.com",lnPort,llBTls,llBAutoReconnect)

// ----------------------------------------------------------------------------
// Important: For buckets created in regions outside us-east-1,
// there are three important changes that need to be made.
// See Working with S3 Buckets in Non-us-east-1 Regions for the details.
// ----------------------------------------------------------------------------

// Provide AWS credentials for the REST call.
loAuthAws = createobject("CkAuthAws")
loAuthAws.AccessKey = "AWS_ACCESS_KEY"
loAuthAws.SecretKey = "AWS_SECRET_KEY"
loAuthAws.ServiceName = "s3"
llSuccess = loRest.SetAuthAws(loAuthAws)

// The bucket name is "chilkat100"
loSbResponse = createobject("CkStringBuilder")
llSuccess = loRest.FullRequestNoBodySb("GET","/chilkat100",loSbResponse)
if (llSuccess <> .T.) then
    ? loRest.LastErrorText
    release loRest
    release loAuthAws
    release loSbResponse
    return
endif

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

loXml = createobject("CkXml")
loXml.LoadSb(loSbResponse,.T.)
? loXml.GetXml()

if (lnStatusCode <> 200) then
    ? "Failed.  See error information in the XML."
    release loRest
    release loAuthAws
    release loSbResponse
    release loXml
    return
endif

// Use this online tool to generate code from sample XML: 
// Generate Code to Create XML

lcName = loXml.GetChildContent("Name")
lnMaxKeys = loXml.GetChildIntValue("MaxKeys")
lcIsTruncated = loXml.GetChildContent("IsTruncated")
i = 0
lnCount_i = loXml.NumChildrenHavingTag("Contents")
do while i < lnCount_i
    loXml.I = i
    lcKey = loXml.GetChildContent("Contents[i]|Key")
    lcLastModified = loXml.GetChildContent("Contents[i]|LastModified")
    lcETag = loXml.GetChildContent("Contents[i]|ETag")
    lcSizeDecimalStr = loXml.GetChildContent("Contents[i]|Size")
    lcID = loXml.GetChildContent("Contents[i]|Owner|ID")
    lcDisplayName = loXml.GetChildContent("Contents[i]|Owner|DisplayName")
    lcStorageClass = loXml.GetChildContent("Contents[i]|StorageClass")
    i = i + 1
enddo

? "Success."


release loRest
release loAuthAws
release loSbResponse
release loXml