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(Classic ASP) S3 Upload with Transfer AccelerationDemonstrates how to upload from a pre-signed URL with transfer acceleration. Note: This example requires Chilkat v9.5.0.83 or greater.
<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> </head> <body> <% ' This example requires the Chilkat API to have been previously unlocked. ' See Global Unlock Sample for sample code. ' Note: This example requires Chilkat v9.5.0.83 or greater. ' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.Http") set http = Server.CreateObject("Chilkat.Http") http.AwsAccessKey = "AWS_ACCESS_KEY" http.AwsSecretKey = "AWS_SECRET_KEY" ' Make sure to set your AWS region correctly http.AwsRegion = "us-east-1" bucketName = "chilkat200" objectName = "starfish/starfish.jpg" awsService = "s3" httpVerb = "PUT" ' To use S3 acceleration, we simply set the AwsEndpoint to "s3-accelerate.amazonaws.com". ' Note: You must enable transfer acceleration on your bucket. Acceleration incurs a higher cost. http.AwsEndpoint = "s3-accelerate.amazonaws.com" ' The signed URL will be valid for this number of seconds: numSecondsValid = 86400 ' Choose between a URL beginning with "http://" or "https://"... bUseHttps = 0 ' Generate the pre-signed URL that will use s3-accelerate.amazonaws.com preSignedUrl = http.S3_GenPresignedUrl(httpVerb,bUseHttps,bucketName,objectName,numSecondsValid,awsService) If (http.LastMethodSuccess = 0) Then Response.Write "<pre>" & Server.HTMLEncode( http.LastErrorText) & "</pre>" Response.End End If ' The following URL can be copy-and-pasted into a browser.. Response.Write "<pre>" & Server.HTMLEncode( "Presigned URL for Upload: " & preSignedUrl) & "</pre>" ' Here's an example of a pre-signed URL ' ' http://chilkat200.s3-accelerate.amazonaws.com/starfish/starfish.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=AKIAIBJLOVZVXAU2AFUA%2F20200623%2Fus-east-1%2Fs3%2Faws4_request&X-Amz-Date=20200623T234049Z&X-Amz-Expires=86400&X-Amz-SignedHeaders=host&X-Amz-Signature=xxxxxeaea071178d772856c0a4e4c0114a8d9992f0d0812955e490d0exxxxxxx ' ' Upload a local file using the pre-signed URL. ' (Chilkat provides other methods to upload file data directly from binary or text data in memory.) ' resp is a Chilkat.HttpResponse Set resp = http.PFile("PUT",preSignedUrl,"qa_data/jpg/starfish.jpg","image/jpg",0,0) If (http.LastMethodSuccess = 0) Then Response.Write "<pre>" & Server.HTMLEncode( http.LastErrorText) & "</pre>" Response.End End If Response.Write "<pre>" & Server.HTMLEncode( "response status code = " & resp.StatusCode) & "</pre>" Response.Write "<pre>" & Server.HTMLEncode( "response body size: " & resp.ContentLength) & "</pre>" If (resp.ContentLength > 0) Then Response.Write "<pre>" & Server.HTMLEncode( "response body:") & "</pre>" Response.Write "<pre>" & Server.HTMLEncode( resp.BodyStr) & "</pre>" End If %> </body> </html> |
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