Chilkat Examples

ChilkatHOME.NET Core C#Android™AutoItCC#C++Chilkat2-PythonCkPythonClassic ASPDataFlexDelphi ActiveXDelphi DLLGoJavaLianjaMono C#Node.jsObjective-CPHP ActiveXPHP ExtensionPerlPowerBuilderPowerShellPureBasicRubySQL ServerSwift 2Swift 3,4,5...TclUnicode CUnicode C++VB.NETVBScriptVisual Basic 6.0Visual FoxProXojo Plugin

PowerBuilder Examples

Web API Categories

ASN.1
AWS KMS
AWS Misc
Amazon EC2
Amazon Glacier
Amazon S3
Amazon S3 (new)
Amazon SES
Amazon SNS
Amazon SQS
Async
Azure Cloud Storage
Azure Key Vault
Azure Service Bus
Azure Table Service
Base64
Bounced Email
Box
CAdES
CSR
CSV
Certificates
Cloud Signature CSC
Code Signing
Compression
DKIM / DomainKey
DNS
DSA
Diffie-Hellman
Digital Signatures
Dropbox
Dynamics CRM
EBICS
ECC
Ed25519
Email Object
Encryption
FTP
FileAccess
Firebase
GMail REST API
GMail SMTP/IMAP/POP
Geolocation
Google APIs
Google Calendar
Google Cloud SQL
Google Cloud Storage
Google Drive
Google Photos
Google Sheets
Google Tasks
Gzip
HTML-to-XML/Text
HTTP

HTTP Misc
IMAP
JSON
JSON Web Encryption (JWE)
JSON Web Signatures (JWS)
JSON Web Token (JWT)
Java KeyStore (JKS)
MHT / HTML Email
MIME
MS Storage Providers
Microsoft Graph
Misc
NTLM
OAuth1
OAuth2
OIDC
Office365
OneDrive
OpenSSL
Outlook
Outlook Calendar
Outlook Contact
PDF Signatures
PEM
PFX/P12
PKCS11
POP3
PRNG
REST
REST Misc
RSA
SCP
SCard
SFTP
SMTP
SSH
SSH Key
SSH Tunnel
ScMinidriver
SharePoint
SharePoint Online
Signing in the Cloud
Socket/SSL/TLS
Spider
Stream
Tar Archive
ULID/UUID
Upload
WebSocket
XAdES
XML
XML Digital Signatures
XMP
Zip
curl
uncategorized

 

 

 

(PowerBuilder) Upload File in Blocks (with Content-MD5 header) and Commit the Block List

Demonstrates how to upload a file in blocks and then commit the block list. This example includes a Content-MD5 header for each block.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

integer li_rc
oleobject loo_Rest
integer li_BTls
integer li_Port
integer li_BAutoReconnect
integer li_Success
oleobject loo_AzAuth
oleobject loo_Xml
oleobject loo_Fac
integer li_BlockSize
integer li_NumBlocks
oleobject loo_Crypt
oleobject loo_SbResponseBody
oleobject loo_UriPath
string ls_BlockId
oleobject loo_DataBlock
string ls_ContentMd5
integer i
string ls_XmlStr
string ls_ResponseStr

// Azure Blob Service Example: Upload a file in blocks, and then commit the block list.
// See also: https://msdn.microsoft.com/en-us/library/azure/dd135726.aspx

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

loo_Rest = create oleobject
// Use "Chilkat_9_5_0.Rest" for versions of Chilkat < 10.0.0
li_rc = loo_Rest.ConnectToNewObject("Chilkat.Rest")
if li_rc < 0 then
    destroy loo_Rest
    MessageBox("Error","Connecting to COM object failed")
    return
end if

// Connect to the Azure Storage Blob Service
li_BTls = 1
li_Port = 443
li_BAutoReconnect = 1
// In this example, the storage account name is "chilkat".
li_Success = loo_Rest.Connect("chilkat.blob.core.windows.net",li_Port,li_BTls,li_BAutoReconnect)
if li_Success <> 1 then
    Write-Debug loo_Rest.LastErrorText
    destroy loo_Rest
    return
end if

// Provide Azure Cloud credentials for the REST call.
loo_AzAuth = create oleobject
// Use "Chilkat_9_5_0.AuthAzureStorage" for versions of Chilkat < 10.0.0
li_rc = loo_AzAuth.ConnectToNewObject("Chilkat.AuthAzureStorage")

loo_AzAuth.AccessKey = "AZURE_ACCESS_KEY"
// The account name used here should match the 1st part of the domain passed in the call to Connect (above).
loo_AzAuth.Account = "chilkat"
loo_AzAuth.Scheme = "SharedKey"
loo_AzAuth.Service = "Blob"
// This causes the "x-ms-version: 2021-08-06" header to be automatically added.
loo_AzAuth.XMsVersion = "2021-08-06"
li_Success = loo_Rest.SetAuthAzureStorage(loo_AzAuth)

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

// As the blocks are uploaded, we'll keep an XML block list for the subsequent commit..
loo_Xml = create oleobject
// Use "Chilkat_9_5_0.Xml" for versions of Chilkat < 10.0.0
li_rc = loo_Xml.ConnectToNewObject("Chilkat.Xml")

loo_Xml.Tag = "BlockList"

// Any type of file can be uploaded in this way.  It can a text file, binary file, anything...
// This example will upload an XML file that is approximately 275K in size.  It can be downloaded
// at http://www.chilkatsoft.com/hamlet.xml
loo_Fac = create oleobject
// Use "Chilkat_9_5_0.FileAccess" for versions of Chilkat < 10.0.0
li_rc = loo_Fac.ConnectToNewObject("Chilkat.FileAccess")

li_Success = loo_Fac.OpenForRead("qa_data/xml/hamlet.xml")
// Assuming success for the example..

// We'll upload in 16K blocks (normally a program would upload in larger block sizes than this,
// but this is just an example...)
li_BlockSize = 16384

// How many 16K blocks?  (Including 1 for the last partial block)
li_NumBlocks = loo_Fac.GetNumBlocks(li_BlockSize)

loo_Crypt = create oleobject
// Use "Chilkat_9_5_0.Crypt2" for versions of Chilkat < 10.0.0
li_rc = loo_Crypt.ConnectToNewObject("Chilkat.Crypt2")

loo_Crypt.HashAlgorithm = "md5"

loo_SbResponseBody = create oleobject
// Use "Chilkat_9_5_0.StringBuilder" for versions of Chilkat < 10.0.0
li_rc = loo_SbResponseBody.ConnectToNewObject("Chilkat.StringBuilder")

loo_UriPath = create oleobject
// Use "Chilkat_9_5_0.StringBuilder" for versions of Chilkat < 10.0.0
li_rc = loo_UriPath.ConnectToNewObject("Chilkat.StringBuilder")

loo_DataBlock = create oleobject
// Use "Chilkat_9_5_0.BinData" for versions of Chilkat < 10.0.0
li_rc = loo_DataBlock.ConnectToNewObject("Chilkat.BinData")

i = 0
do while i < li_NumBlocks

    loo_DataBlock.Clear()
    li_Success = loo_Fac.ReadBlockBd(i,li_BlockSize,loo_DataBlock)
    if li_Success = 0 then
        Write-Debug loo_Fac.LastErrorText
        destroy loo_Rest
        destroy loo_AzAuth
        destroy loo_Xml
        destroy loo_Fac
        destroy loo_Crypt
        destroy loo_SbResponseBody
        destroy loo_UriPath
        destroy loo_DataBlock
        return
    end if

    // Generate a base64 block ID.  
    // (Chilkat provides a helper method named GenBlockId to make this easy)
    // A pre-base64 encoded block ID length of 4 is sufficient in this case because
    // this file certainly won't have more than 99,999 blocks..
    ls_BlockId = loo_Fac.GenBlockId(i,4,"base64")

    // Add this blockId to the list of blocks to be committed.
    loo_Xml.NewChild2("Latest",ls_BlockId)

    // Build the URI path
    loo_UriPath.Clear()
    li_Success = loo_UriPath.Append("/mycontainer/hamlet.xml?comp=block&blockId=")
    li_Success = loo_UriPath.Append(ls_BlockId)

    ls_ContentMd5 = loo_Crypt.HashBdENC(loo_DataBlock)
    loo_Rest.AddHeader("Content-MD5",ls_ContentMd5)

    // Upload this block..
    loo_SbResponseBody.Clear()
    li_Success = loo_Rest.FullRequestBd("PUT",loo_UriPath.GetAsString(),loo_DataBlock,loo_SbResponseBody)
    if li_Success = 0 then
        Write-Debug loo_Rest.LastErrorText
        destroy loo_Rest
        destroy loo_AzAuth
        destroy loo_Xml
        destroy loo_Fac
        destroy loo_Crypt
        destroy loo_SbResponseBody
        destroy loo_UriPath
        destroy loo_DataBlock
        return
    end if

    // Verify that we received a 201 status code.
    if loo_Rest.ResponseStatusCode <> 201 then
        // Examine the request/response to see what happened.
        Write-Debug "response status code = " + string(loo_Rest.ResponseStatusCode)
        Write-Debug "response status text = " + loo_Rest.ResponseStatusText
        Write-Debug "response header: " + loo_Rest.ResponseHeader
        Write-Debug "response body (if any): " + loo_SbResponseBody.GetAsString()
        Write-Debug "---"
        Write-Debug "LastRequestStartLine: " + loo_Rest.LastRequestStartLine
        Write-Debug "LastRequestHeader: " + loo_Rest.LastRequestHeader
        destroy loo_Rest
        destroy loo_AzAuth
        destroy loo_Xml
        destroy loo_Fac
        destroy loo_Crypt
        destroy loo_SbResponseBody
        destroy loo_UriPath
        destroy loo_DataBlock
        return
    end if

    i = i + 1
loop

loo_Fac.FileClose()

// Now commit the blocks.
// Let's have a look at the XML that will commit the blocks:
ls_XmlStr = loo_Xml.GetXml()
Write-Debug ls_XmlStr

// The XML will look like this:

// <?xml version="1.0" encoding="utf-8" ?>
// <BlockList>
//     <Latest>MDAwMA==</Latest>
//     <Latest>MDAwMQ==</Latest>
//     <Latest>MDAwMg==</Latest>
//     <Latest>MDAwMw==</Latest>
//     <Latest>MDAwNA==</Latest>
//     <Latest>MDAwNQ==</Latest>
//     <Latest>MDAwNg==</Latest>
//     <Latest>MDAwNw==</Latest>
//     <Latest>MDAwOA==</Latest>
//     <Latest>MDAwOQ==</Latest>
//     <Latest>MDAxMA==</Latest>
//     <Latest>MDAxMQ==</Latest>
//     <Latest>MDAxMg==</Latest>
//     <Latest>MDAxMw==</Latest>
//     <Latest>MDAxNA==</Latest>
//     <Latest>MDAxNQ==</Latest>
//     <Latest>MDAxNg==</Latest>
//     <Latest>MDAxNw==</Latest>
// </BlockList>

// --------------------------------------------------------------------------
// IMPORTANT: Remove the Content-MD5 header previously set in the loop above.
// --------------------------------------------------------------------------
loo_Rest.RemoveHeader("Content-MD5")

// Send the PUT Block List...
ls_ResponseStr = loo_Rest.FullRequestString("PUT","/mycontainer/hamlet.xml?comp=blocklist",ls_XmlStr)
if loo_Rest.LastMethodSuccess <> 1 then
    Write-Debug loo_Rest.LastErrorText
    destroy loo_Rest
    destroy loo_AzAuth
    destroy loo_Xml
    destroy loo_Fac
    destroy loo_Crypt
    destroy loo_SbResponseBody
    destroy loo_UriPath
    destroy loo_DataBlock
    return
end if

// When successful, the Azure Storage service will respond with a 201 response status code,
// with no response body.

if loo_Rest.ResponseStatusCode <> 201 then
    // Examine the request/response to see what happened.
    Write-Debug "response status code = " + string(loo_Rest.ResponseStatusCode)
    Write-Debug "response status text = " + loo_Rest.ResponseStatusText
    Write-Debug "response header: " + loo_Rest.ResponseHeader
    Write-Debug "response body (if any): " + ls_ResponseStr
    Write-Debug "---"
    Write-Debug "LastRequestStartLine: " + loo_Rest.LastRequestStartLine
    Write-Debug "LastRequestHeader: " + loo_Rest.LastRequestHeader
    destroy loo_Rest
    destroy loo_AzAuth
    destroy loo_Xml
    destroy loo_Fac
    destroy loo_Crypt
    destroy loo_SbResponseBody
    destroy loo_UriPath
    destroy loo_DataBlock
    return
end if

Write-Debug "Success."


destroy loo_Rest
destroy loo_AzAuth
destroy loo_Xml
destroy loo_Fac
destroy loo_Crypt
destroy loo_SbResponseBody
destroy loo_UriPath
destroy loo_DataBlock

 

© 2000-2024 Chilkat Software, Inc. All Rights Reserved.