Objective-C

S3 Upload Binary File from BinData

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Upload a binary file contained in a BinData object to Amazon S3. Objective-C

#import <CkoRest.h>
#import <CkoAuthAws.h>
#import <CkoBinData.h>
#import <CkoStringBuilder.h>

BOOL success = NO;

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

CkoRest *rest = [[CkoRest alloc] init];

// Connect to the Amazon AWS REST server.
BOOL bTls = YES;
int port = 443;
BOOL bAutoReconnect = YES;
// Make sure to connect to the region where the bucket is located..
success = [rest Connect: @"s3-us-west-2.amazonaws.com" port: [NSNumber numberWithInt: port] tls: bTls autoReconnect: bAutoReconnect];

// Provide AWS credentials for the REST call.
CkoAuthAws *authAws = [[CkoAuthAws alloc] init];
authAws.AccessKey = @"AWS_ACCESS_KEY";
authAws.SecretKey = @"AWS_SECRET_KEY";
// Use the correct region..
authAws.Region = @"us-west-2";
authAws.ServiceName = @"s3";

success = [rest SetAuthAws: authAws];

// Set the bucket name via the HOST header.
// In this case, the bucket name is "chilkat.qa".
// (Also make sure to use the correct region.)
rest.Host = @"chilkat.qa.s3-us-west-2.amazonaws.com";

// Load a text file into memory.
CkoBinData *pngData = [[CkoBinData alloc] init];
success = [pngData LoadFile: @"qa_data/png/anemone.png"];
if (success != YES) {
    NSLog(@"%@",@"Failed to load file from local filesystem.");
    return;
}

// Indicate the Content-Type of our upload.  (This is optional)
[rest AddHeader: @"Content-Type" value: @"image/png"];

// Upload the file to Amazon S3.
CkoStringBuilder *sbResponse = [[CkoStringBuilder alloc] init];
success = [rest FullRequestBd: @"PUT" uriPath: @"/images/sea_creatures/anemone.png" binData: pngData responseBody: sbResponse];
if (success != YES) {
    NSLog(@"%@",rest.LastErrorText);
    return;
}

// Did we get a 200 response indicating success?
int statusCode = [rest.ResponseStatusCode intValue];
if (statusCode != 200) {
    NSLog(@"%@%@",@"Error response: ",[sbResponse GetAsString]);
    NSLog(@"%@%d%@%@",@"Status code: ",statusCode,@", Status text: ",rest.ResponseStatusText);
    return;
}

NSLog(@"%@",@"File successfully uploaded.");