(DataFlex) Set Container ACL

Azure Storage Blob Service REST API: Sample code to set the permissions of a container.

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

Use ChilkatAx-win32.pkg

Procedure Test
    Handle hoRest
    Boolean iBTls
    Integer iPort
    Boolean iBAutoReconnect
    Boolean iSuccess
    Variant vAzAuth
    Handle hoAzAuth
    Handle hoPrng
    String sRandomId
    Handle hoDt
    Boolean iBLocal
    String sCurDtStr
    String sExpireDtStr
    Handle hoXml
    Variant vXSignedId
    Handle hoXSignedId
    Variant vXAccessPolicy
    Handle hoXAccessPolicy
    String sResponseStr
    String sTemp1
    Integer iTemp1
    Boolean bTemp1

    // Azure Blob Service Example: Set Container ACL
    // See also: https://msdn.microsoft.com/en-us/library/azure/dd179391.aspx

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

    Get Create (RefClass(cComChilkatRest)) To hoRest
    If (Not(IsComObjectCreated(hoRest))) Begin
        Send CreateComObject of hoRest
    End

    // Connect to the Azure Storage Blob Service
    Move True To iBTls
    Move 443 To iPort
    Move True To iBAutoReconnect
    // In this example, the storage account name is "chilkat".
    Get ComConnect Of hoRest "chilkat.blob.core.windows.net" iPort iBTls iBAutoReconnect To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoRest To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // Provide Azure Cloud credentials for the REST call.
    Get Create (RefClass(cComChilkatAuthAzureStorage)) To hoAzAuth
    If (Not(IsComObjectCreated(hoAzAuth))) Begin
        Send CreateComObject of hoAzAuth
    End
    Set ComAccessKey Of hoAzAuth To "AZURE_ACCESS_KEY"
    // The account name used here should match the 1st part of the domain passed in the call to Connect (above).
    Set ComAccount Of hoAzAuth To "chilkat"
    Set ComScheme Of hoAzAuth To "SharedKey"
    Set ComService Of hoAzAuth To "Blob"
    // This causes the "x-ms-version: 2021-08-06" header to be automatically added.
    Set ComXMsVersion Of hoAzAuth To "2021-08-06"
    Get pvComObject of hoAzAuth to vAzAuth
    Get ComSetAuthAzureStorage Of hoRest vAzAuth To iSuccess

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

    // The XML body of the request will look like this:

    // <?xml version="1.0" encoding="utf-8"?>
    // <SignedIdentifiers>
    //   <SignedIdentifier> 
    //     <Id>unique-character-value-of-up-to-64-chars</Id>
    //     <AccessPolicy>
    //       <Start>start-time</Start>
    //       <Expiry>expiry-time</Expiry>
    //       <Permission>abbreviated-permission-list</Permission>
    //     </AccessPolicy>
    //   </SignedIdentifier>
    // </SignedIdentifiers>

    // Generate a random 32-character string.
    Get Create (RefClass(cComChilkatPrng)) To hoPrng
    If (Not(IsComObjectCreated(hoPrng))) Begin
        Send CreateComObject of hoPrng
    End
    Get ComRandomString Of hoPrng 32 True True True To sRandomId

    // Get the current system date/time in ISO 8061 format
    Get Create (RefClass(cComCkDateTime)) To hoDt
    If (Not(IsComObjectCreated(hoDt))) Begin
        Send CreateComObject of hoDt
    End
    Get ComSetFromCurrentSystemTime Of hoDt To iSuccess
    Move False To iBLocal
    // Get the current date/time in ISO 8061 UTC format.
    Get ComGetAsTimestamp Of hoDt iBLocal To sCurDtStr
    // The expire time will be 365 days in the future.
    Get ComAddDays Of hoDt 365 To iSuccess
    Get ComGetAsTimestamp Of hoDt iBLocal To sExpireDtStr

    // Build the request:
    Get Create (RefClass(cComChilkatXml)) To hoXml
    If (Not(IsComObjectCreated(hoXml))) Begin
        Send CreateComObject of hoXml
    End
    Set ComTag Of hoXml To "SignedIdentifiers"
    Get ComNewChild Of hoXml "SignedIdentifier" "" To vXSignedId
    If (IsComObject(vXSignedId)) Begin
        Get Create (RefClass(cComChilkatXml)) To hoXSignedId
        Set pvComObject Of hoXSignedId To vXSignedId
    End
    Send ComNewChild2 To hoXSignedId "Id" sRandomId
    Get ComNewChild Of hoXSignedId "AccessPolicy" "" To vXAccessPolicy
    If (IsComObject(vXAccessPolicy)) Begin
        Get Create (RefClass(cComChilkatXml)) To hoXAccessPolicy
        Set pvComObject Of hoXAccessPolicy To vXAccessPolicy
    End
    Send ComNewChild2 To hoXAccessPolicy "Start" sCurDtStr
    Send ComNewChild2 To hoXAccessPolicy "Expiry" sExpireDtStr
    Send ComNewChild2 To hoXAccessPolicy "Permission" "rwd"
    Send Destroy of hoXAccessPolicy
    Send Destroy of hoXSignedId

    // Show the XML..
    Get ComGetXml Of hoXml To sTemp1
    Showln sTemp1

    // The expected response is a 200 response status code with no response body.
    Get ComGetXml Of hoXml To sTemp1
    Get ComFullRequestString Of hoRest "PUT" "/mycontainer?restype=container&comp=acl" sTemp1 To sResponseStr
    Get ComLastMethodSuccess Of hoRest To bTemp1
    If (bTemp1 <> True) Begin
        Get ComLastErrorText Of hoRest To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // When successful, the Azure Storage service will respond with a 200 response status code,
    // with no response body.

    Get ComResponseStatusCode Of hoRest To iTemp1
    If (iTemp1 <> 200) Begin
        // Examine the request/response to see what happened.
        Get ComResponseStatusCode Of hoRest To iTemp1
        Showln "response status code = " iTemp1
        Get ComResponseStatusText Of hoRest To sTemp1
        Showln "response status text = " sTemp1
        Get ComResponseHeader Of hoRest To sTemp1
        Showln "response header: " sTemp1
        Showln "response body (if any): " sResponseStr
        Showln "---"
        Get ComLastRequestStartLine Of hoRest To sTemp1
        Showln "LastRequestStartLine: " sTemp1
        Get ComLastRequestHeader Of hoRest To sTemp1
        Showln "LastRequestHeader: " sTemp1
        Procedure_Return
    End

    Showln "Success."


End_Procedure