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(Unicode C) S3 Rename FileSee more Amazon S3 (new) ExamplesDemonstrates how to rename a file on Amazon S3. Renaming an object (file) in AWS S3 using the AWS S3 API involves copying the object to a new location with the desired name and then deleting the original object. For more information, see https://docs.aws.amazon.com/AmazonS3/latest/API/API_CopyObject.html#API_CopyObject_Examples
#include <C_CkRestW.h> #include <C_CkAuthAwsW.h> #include <C_CkStringBuilderW.h> void ChilkatSample(void) { HCkRestW rest; BOOL bTls; int port; BOOL bAutoReconnect; BOOL success; HCkAuthAwsW authAws; HCkStringBuilderW sbResponse; int statusCode; // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. rest = CkRestW_Create(); // Connect to the Amazon AWS REST server in the desired region. bTls = TRUE; port = 443; bAutoReconnect = TRUE; success = CkRestW_Connect(rest,L"s3-us-west-2.amazonaws.com",port,bTls,bAutoReconnect); // Provide AWS credentials. authAws = CkAuthAwsW_Create(); CkAuthAwsW_putAccessKey(authAws,L"AWS_ACCESS_KEY"); CkAuthAwsW_putSecretKey(authAws,L"AWS_SECRET_KEY"); CkAuthAwsW_putServiceName(authAws,L"s3"); // This particular bucket is in the Oregon region, as opposed to the US Standard, // therefore the Region must be set appropriately. // Also note that we connected to "s3-us-west-2.amazonaws.com". CkAuthAwsW_putRegion(authAws,L"us-west-2"); CkRestW_SetAuthAws(rest,authAws); // Set the bucket name via the HOST header. // In this case, the bucket name is "chilkat.qa". // Note that the Host header should use "bucketName.s3.amazonaws.com", not "bucketName.s3-us-west-2.amazonaws.com" CkRestW_putHost(rest,L"chilkat.qa.s3.amazonaws.com"); // Copy /images/sea_creatures/starfish.jpg to /images/sea_creatures/starfish3.jpg // Notice here that the x-amz-copy-source includes the bucket in the source path, // but the target path passed to FullRequestNoBody does NOT contain the bucket (because the bucket // was already specified in the Host header). CkRestW_AddHeader(rest,L"x-amz-copy-source",L"/chilkat.qa/images/sea_creatures/starfish.jpg"); sbResponse = CkStringBuilderW_Create(); success = CkRestW_FullRequestNoBodySb(rest,L"PUT",L"/images/sea_creatures/starfish3.jpg",sbResponse); if (success == FALSE) { wprintf(L"%s\n",CkRestW_lastErrorText(rest)); CkRestW_Dispose(rest); CkAuthAwsW_Dispose(authAws); CkStringBuilderW_Dispose(sbResponse); return; } // When successful, the S3 Storage service will respond with a 200 or 204 response code, // with an XML body. if (CkRestW_getResponseStatusCode(rest) != 200) { // Examine the request/response to see what happened. wprintf(L"response status code = %d\n",CkRestW_getResponseStatusCode(rest)); wprintf(L"response status text = %s\n",CkRestW_responseStatusText(rest)); wprintf(L"response header: %s\n",CkRestW_responseHeader(rest)); wprintf(L"response body: %s\n",CkStringBuilderW_getAsString(sbResponse)); wprintf(L"---\n"); wprintf(L"LastRequestStartLine: %s\n",CkRestW_lastRequestStartLine(rest)); wprintf(L"LastRequestHeader: %s\n",CkRestW_lastRequestHeader(rest)); } wprintf(L"%s\n",CkStringBuilderW_getAsString(sbResponse)); wprintf(L"Copy Successful.\n"); // -------------------------------------- // Now we can delete the original file.. // -------------------------------------- // We no longer want to send the x-amz-copy-source header. Remove it. CkRestW_RemoveHeader(rest,L"x-amz-copy-source"); success = CkRestW_FullRequestNoBodySb(rest,L"DELETE",L"/images/sea_creatures/starfish.jpg",sbResponse); if (success == FALSE) { wprintf(L"%s\n",CkRestW_lastErrorText(rest)); CkRestW_Dispose(rest); CkAuthAwsW_Dispose(authAws); CkStringBuilderW_Dispose(sbResponse); return; } // If successfully deleted, the response status code is 204 and the response body text will be empty. statusCode = CkRestW_getResponseStatusCode(rest); wprintf(L"Response status code = %d\n",statusCode); wprintf(L"Response text = \n"); wprintf(L"%s\n",CkStringBuilderW_getAsString(sbResponse)); CkRestW_Dispose(rest); CkAuthAwsW_Dispose(authAws); CkStringBuilderW_Dispose(sbResponse); } |
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