PureBasic

Azure Storage: Get Blob Service Properties

See more Azure Cloud Storage Examples

Azure Storage Blob Service REST API: Sample code to get a blob's service properties. PureBasic

IncludeFile "CkXml.pb"
IncludeFile "CkRest.pb"
IncludeFile "CkAuthAzureStorage.pb"

Procedure ChilkatExample()

    success.i = 0

    ; Azure Blob Service Example: Get Blob Service Properties

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

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

    ; Connect to the Azure Storage Blob Service
    bTls.i = 1
    port.i = 443
    bAutoReconnect.i = 1
    ; In this example, the storage account name is "chilkat".
    success = CkRest::ckConnect(rest,"chilkat.blob.core.windows.net",port,bTls,bAutoReconnect)
    If success <> 1
        Debug CkRest::ckLastErrorText(rest)
        CkRest::ckDispose(rest)
        ProcedureReturn
    EndIf

    ; Provide Azure Cloud credentials for the REST call.
    azAuth.i = CkAuthAzureStorage::ckCreate()
    If azAuth.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkAuthAzureStorage::setCkAccessKey(azAuth, "AZURE_ACCESS_KEY")
    ; The account name used here should match the 1st part of the domain passed in the call to Connect (above).
    CkAuthAzureStorage::setCkAccount(azAuth, "chilkat")
    CkAuthAzureStorage::setCkScheme(azAuth, "SharedKey")
    CkAuthAzureStorage::setCkService(azAuth, "Blob")
    ; This causes the "x-ms-version: 2021-08-06" header to be automatically added.
    CkAuthAzureStorage::setCkXMsVersion(azAuth, "2021-08-06")
    success = CkRest::ckSetAuthAzureStorage(rest,azAuth)

    ; Note: The application does not need to explicitly set the following
    ; headers: x-ms-date, Authorization.  These headers
    ; are automatically set by Chilkat.

    responseStr.s = CkRest::ckFullRequestNoBody(rest,"GET","/?restype=service&comp=properties")
    If CkRest::ckLastMethodSuccess(rest) <> 1
        Debug CkRest::ckLastErrorText(rest)
        CkRest::ckDispose(rest)
        CkAuthAzureStorage::ckDispose(azAuth)
        ProcedureReturn
    EndIf

    ; When successful, the Azure Storage service will respond with a 200 response code,
    ; with an XML body.  
    If CkRest::ckResponseStatusCode(rest) <> 200
        ; Examine the request/response to see what happened.
        Debug "response status code = " + Str(CkRest::ckResponseStatusCode(rest))
        Debug "response status text = " + CkRest::ckResponseStatusText(rest)
        Debug "response header: " + CkRest::ckResponseHeader(rest)
        Debug "response body (if any): " + responseStr
        Debug "---"
        Debug "LastRequestStartLine: " + CkRest::ckLastRequestStartLine(rest)
        Debug "LastRequestHeader: " + CkRest::ckLastRequestHeader(rest)
        CkRest::ckDispose(rest)
        CkAuthAzureStorage::ckDispose(azAuth)
        ProcedureReturn
    EndIf

    ; Load the XML response for parsing.
    ; An example of the response XML is shown below.
    xml.i = CkXml::ckCreate()
    If xml.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    success = CkXml::ckLoadXml(xml,responseStr)

    Debug CkXml::ckGetXml(xml)

    ; Use the ChilkatPath method to get various pieces of information out
    ; of the XML.  For example:

    Debug "Logging retention policy #days = " + CkXml::ckChilkatPath(xml,"Logging|RetentionPolicy|Days|*")
    Debug "Hour metrics include APIs = " + CkXml::ckChilkatPath(xml,"HourMetrics|IncludeAPIs|*")

    ; <?xml version="1.0" encoding="utf-8" ?>
    ; <StorageServiceProperties>
    ;     <Logging>
    ;         <Version>1.0</Version>
    ;         <Read>true</Read>
    ;         <Write>true</Write>
    ;         <Delete>true</Delete>
    ;         <RetentionPolicy>
    ;             <Enabled>true</Enabled>
    ;             <Days>7</Days>
    ;         </RetentionPolicy>
    ;     </Logging>
    ;     <HourMetrics>
    ;         <Version>1.0</Version>
    ;         <Enabled>true</Enabled>
    ;         <IncludeAPIs>true</IncludeAPIs>
    ;         <RetentionPolicy>
    ;             <Enabled>true</Enabled>
    ;             <Days>7</Days>
    ;         </RetentionPolicy>
    ;     </HourMetrics>
    ;     <MinuteMetrics>
    ;         <Version>1.0</Version>
    ;         <Enabled>false</Enabled>
    ;         <RetentionPolicy>
    ;             <Enabled>false</Enabled>
    ;         </RetentionPolicy>
    ;     </MinuteMetrics>
    ;     <Cors />
    ; </StorageServiceProperties>


    CkRest::ckDispose(rest)
    CkAuthAzureStorage::ckDispose(azAuth)
    CkXml::ckDispose(xml)


    ProcedureReturn
EndProcedure