(Tcl) 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.

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load ./chilkat.dll

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

set http [new_CkHttp]

# keyID = Access Key ID or Access Key
CkHttp_put_AwsAccessKey $http "access-key"

# applicationKey = Secret Access Key or Secret Key
CkHttp_put_AwsSecretKey $http "secret-key"

# Region is the 2nd part of your S3 Endpoint
CkHttp_put_AwsEndpoint $http "s3.us-west-002.backblazeb2.com"

set bucketsXml [CkHttp_s3_ListBuckets $http]

if {[CkHttp_get_LastMethodSuccess $http] != 1} then {
    puts [CkHttp_lastErrorText $http]
    delete_CkHttp $http
    exit
}

set xml [new_CkXml]

CkXml_LoadXml $xml $bucketsXml
puts [CkXml_getXml $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>

set ListAllMyBucketsResult_xmlns [CkXml_getAttrValue $xml "xmlns"]
set ID [CkXml_getChildContent $xml "Owner|ID"]
set i 0
set count_i [CkXml_NumChildrenHavingTag $xml "Buckets|Bucket"]
while {$i < $count_i} {
    CkXml_put_I $xml $i
    set Name [CkXml_getChildContent $xml "Buckets|Bucket[i]|Name"]
    set CreationDate [CkXml_getChildContent $xml "Buckets|Bucket[i]|CreationDate"]
    set i [expr $i + 1]
}

delete_CkHttp $http
delete_CkXml $xml