Visual Basic Examples

ChilkatHOMEAndroid™ASPVisual BasicVB.NETC#iOS (IPhone)Objective-CC++CUnicode C++Unicode CMFCDelphi DLLDelphi ActiveXFoxProJavaPerlPHP ExtensionPHP ActiveXPythonPowerShellRubySQL ServerVBScript

VB Examples

Bounced Mail
Bz2
Character Encoding
CSV
Digital Certificates
Digital Signatures
Email
FTP
HTML Conversion
HTTP
IMAP
Encryption
MHT / HTML Email
POP3
RSA
S/MIME
SFTP
SMTP
Socket
Spider
SSH
SSH Key
SSH Tunnel
String
Tar
Upload
XML
XMP
Zip Compression

More Examples...
Amazon S3
Email Object
DKIM / DomainKey
NTLM
DH Key Exchange
DSA
FileAccess
RSS
Atom
Self-Extractor
Service
Bzip2
PPMD
Deflate
LZW


VB Strings
VB Byte Array

 

 

 

 

 

 

 

Amazon S3 - Create Bucket with PUT Request

Demonstrates how to create an Amazon S3 bucket by sending a PUT HTTP request.

Download Chilkat Crypt ActiveX

Download Chilkat HTTP ActiveX

Dim http As New ChilkatHttp
Dim success As Long
success = http.UnlockComponent("Anything for 30-day trial.")
If (success <> 1) Then
    '  Unlock failed.
    MsgBox http.LastErrorText
    Exit Sub
End If

'  The HTTP component now includes a method to generate
'  the current date/time in RFC 2616 compliant format.
'  Note: The GenTimeStamp method is available as a pre-release (as of 18-June-2008).
'  It will become available in the next new version dated after
'  18-June-2008.
Dim curDateTime As String
curDateTime = http.GenTimeStamp()

MsgBox curDateTime

'  The PUT request operation with a bucket URI creates a new bucket.
Dim strToSign As String
strToSign = "PUT" & vbLf & vbLf & vbLf & curDateTime & vbLf & "/chilkat/"

Dim crypt As New ChilkatCrypt2

success = crypt.UnlockComponent("Anything for 30-day trial.")
If (success <> 1) Then
    MsgBox crypt.LastErrorText
    Exit Sub
End If

'  We want SHA1 for the HMAC hash algorithm:
crypt.HashAlgorithm = "sha1"

'  These must be changed for your account:
Dim AWSAccessKeyId As String
AWSAccessKeyId = "zzzzzzzzzzzzzzzzzzzzz"
Dim AWSSecretAccessKey As String
AWSSecretAccessKey = "zzzzzzzzzzzzzzzzzzzzzzzzzzzz"

'  Set the HMAC secret key:
crypt.SetHmacKeyString AWSSecretAccessKey

'  By setting the charset = "utf-8", the string will be converted
'  to utf-8 (internal to the Chilkat component) prior to signing:
crypt.Charset = "utf-8"

'  Indicate that Base64 output is desired:
crypt.EncodingMode = "base64"

Dim signature As String
signature = crypt.HmacStringENC(strToSign)

Dim authValue As String
authValue = "AWS " & AWSAccessKeyId & ":" & signature

'  The bucket to be created is specified in the Host header.
'  In this example, the "chilkat" bucket is created:
http.SetRequestHeader "Host","chilkat.s3.amazonaws.com"

http.SetRequestHeader "Authorization",authValue
http.SetRequestHeader "Date",curDateTime
http.SetRequestHeader "Content-Length","0"

Dim xmlResponse As String
xmlResponse = http.QuickPutStr("http://s3.amazonaws.com/")
If (xmlResponse = vbNullString ) Then
    '  Failed.  Show the last request header, response header,
    '  and response body.
    Text1.Text = Text1.Text & http.LastHeader & vbCrLf
    Text1.Text = Text1.Text & "---" & vbCrLf
    Text1.Text = Text1.Text & http.LastResponseHeader & vbCrLf
    Text1.Text = Text1.Text & "---" & vbCrLf
    Text1.Text = Text1.Text & http.LastErrorText & vbCrLf
Else

    '  Success is indicated by an empty xmlResponse string, and
    '  a response status of 200.
    If (http.LastStatus = 200) Then
        MsgBox "Bucket created!"

        '  Let's check out the response header anyway...
        Text1.Text = Text1.Text & http.LastResponseHeader & vbCrLf

    Else
        '  Failed.  Show the last request header, response header,
        '  and response body.
        Text1.Text = Text1.Text & http.LastHeader & vbCrLf
        Text1.Text = Text1.Text & "---" & vbCrLf
        Text1.Text = Text1.Text & http.LastResponseHeader & vbCrLf
        Text1.Text = Text1.Text & "---" & vbCrLf
        Text1.Text = Text1.Text & http.LastErrorText & vbCrLf
    End If

End If

© 2000-2013 Chilkat Software, Inc. All Rights Reserved.