PureBasic

Backblaze S3 List Buckets

See more Backblaze S3 Examples

Demonstrates how to list Backblaze buckets.

The Chilkat S3 functions in the HTTP class are compatible with the Backblaze service. However, because of some specific issues, Chilkat v9.5.0.89 or later is needed.

PureBasic

IncludeFile "CkXml.pb"
IncludeFile "CkHttp.pb"

Procedure ChilkatExample()

    success.i = 0

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

    http.i = CkHttp::ckCreate()
    If http.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    ; keyID = Access Key ID or Access Key
    CkHttp::setCkAwsAccessKey(http, "access-key")

    ; applicationKey = Secret Access Key or Secret Key
    CkHttp::setCkAwsSecretKey(http, "secret-key")

    ; Region is the 2nd part of your S3 Endpoint
    CkHttp::setCkAwsEndpoint(http, "s3.us-west-002.backblazeb2.com")

    bucketsXml.s = CkHttp::ckS3_ListBuckets(http)

    If CkHttp::ckLastMethodSuccess(http) <> 1
        Debug CkHttp::ckLastErrorText(http)
        CkHttp::ckDispose(http)
        ProcedureReturn
    EndIf

    xml.i = CkXml::ckCreate()
    If xml.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkXml::ckLoadXml(xml,bucketsXml)
    Debug CkXml::ckGetXml(xml)

    ; Use this online tool to generate parsing code from sample XML: 
    ; Generate Parsing Code from XML

    ; Sample output:

    ; <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
    ; <ListAllMyBucketsResult xmlns="http://s3.amazonaws.com/doc/2006-03-01/">
    ;     <Owner>
    ;         <ID>f2ebbc5f792c</ID>
    ;         <DisplayName/>
    ;     </Owner>
    ;     <Buckets>
    ;         <Bucket>
    ;             <Name>chilkat</Name>
    ;             <CreationDate>2021-10-30T14:17:30.004Z</CreationDate>
    ;         </Bucket>
    ;         <Bucket>
    ;             <Name>chilkat-test</Name>
    ;             <CreationDate>2021-10-30T14:25:52.556Z</CreationDate>
    ;         </Bucket>
    ;     </Buckets>
    ; </ListAllMyBucketsResult>

    Name.s
    CreationDate.s

    ListAllMyBucketsResult_xmlns.s = CkXml::ckGetAttrValue(xml,"xmlns")
    ID.s = CkXml::ckGetChildContent(xml,"Owner|ID")
    i.i = 0
    count_i.i = CkXml::ckNumChildrenHavingTag(xml,"Buckets|Bucket")
    While i < count_i
        CkXml::setCkI(xml, i)
        Name = CkXml::ckGetChildContent(xml,"Buckets|Bucket[i]|Name")
        CreationDate = CkXml::ckGetChildContent(xml,"Buckets|Bucket[i]|CreationDate")
        i = i + 1
    Wend


    CkHttp::ckDispose(http)
    CkXml::ckDispose(xml)


    ProcedureReturn
EndProcedure