Chilkat Examples

ChilkatHOMEAndroid™Classic ASPCC++C#Mono C#.NET Core C#C# UWP/WinRTDataFlexDelphi ActiveXDelphi DLLVisual FoxProJavaLianjaMFCObjective-CPerlPHP ActiveXPHP ExtensionPowerBuilderPowerShellPureBasicCkPythonChilkat2-PythonRubySQL ServerSwift 2Swift 3/4TclUnicode CUnicode C++Visual Basic 6.0VB.NETVB.NET UWP/WinRTVBScriptXojo PluginNode.jsExcelGo

C Examples

Web API Categories

ASN.1
Amazon Glacier
Amazon S3
Amazon S3 (new)
Amazon SES
Amazon SNS
Amazon SQS
Async
Azure Cloud Storage
Azure Service Bus
Base64
Bounced Email
Box
CAdES
CSR
CSV
Certificates
Compression
DKIM / DomainKey
DSA
Diffie-Hellman
Digital Signatures
Dropbox
Dynamics CRM
ECC
Email Object
Encryption
FTP
FileAccess
Firebase
GMail REST API
Geolocation
Google APIs
Google Calendar
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
Microsoft Graph
NTLM
OAuth1
OAuth2
OneDrive
OpenSSL
Outlook
PEM
PFX/P12
POP3
PRNG
REST
REST Misc
RSA Encryption
SCP
SFTP
SMTP
SSH
SSH Key
SSH Tunnel
SharePoint
Socket/SSL/TLS
Spider
Stream
Tar Archive
Upload
WebSocket
XAdES
XML
XML Digital Signatures
XMP
Zip
curl

 

 

 

(C) S3 Upload String using AWS Signature Version 2

Example to upload the contents of a string to the Amazon S3 service, using the older AWS Signature Version 2.

Chilkat C/C++ Library Downloads

MS Visual C/C++

Linux/CentOS C/C++

Alpine Linux C/C++

MAC OS X C/C++

armhf/aarch64 C/C++

C++ Builder

iOS C/C++

Android C/C++

Win Mobile 5.0/Pocket PC 2003

Solaris C/C++

FreeBSD C/C++

OpenBSD C/C++

MinGW C/C++

#include <C_CkRest.h>
#include <C_CkAuthAws.h>
#include <C_CkFileAccess.h>

void ChilkatSample(void)
    {
    HCkRest rest;
    BOOL bTls;
    int port;
    BOOL bAutoReconnect;
    BOOL success;
    HCkAuthAws authAws;
    HCkFileAccess fac;
    const char *fileContents;
    const char *responseBodyStr;
    int statusCode;

    //  Demonstrates how to use older AWS S3 Signature Version 2 for uploading the contents
    //  of a string variable to an object in a bucket.

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

    rest = CkRest_Create();

    //  Connect to the Amazon AWS REST server.
    bTls = TRUE;
    port = 443;
    bAutoReconnect = TRUE;
    //  The file is uploaded to the bucket named "chilkat100", which becomes part of the domain:
    success = CkRest_Connect(rest,"chilkat100.s3.amazonaws.com",port,bTls,bAutoReconnect);

    //  ----------------------------------------------------------------------------
    //  Important: For buckets created in regions outside us-east-1,
    //  there are three important changes that need to be made.
    //  See Working with S3 Buckets in Non-us-east-1 Regions for the details.
    //  ----------------------------------------------------------------------------

    //  Provide AWS credentials for the REST call.
    authAws = CkAuthAws_Create();
    CkAuthAws_putAccessKey(authAws,"AWS_ACCESS_KEY");
    CkAuthAws_putSecretKey(authAws,"AWS_SECRET_KEY");
    CkAuthAws_putServiceName(authAws,"s3");

    //  For AWS Signature Version 2, the following two properties need to be set:
    CkAuthAws_putSignatureVersion(authAws,2);
    //  See http://docs.aws.amazon.com/AmazonS3/latest/dev/RESTAuthentication.html#ConstructingTheCanonicalizedResourceElement
    //  The bucket is "chilkat100", and the uriPath is "/hamlet_play.xml", which must match
    //  the URI path passed to the FullRequestString method below.
    CkAuthAws_putCanonicalizedResourceV2(authAws,"/chilkat100/hamlet_play.xml");

    success = CkRest_SetAuthAws(rest,authAws);

    //  Load a text file into memory.
    fac = CkFileAccess_Create();
    fileContents = CkFileAccess_readEntireTextFile(fac,"qa_data/xml/hamlet.xml","utf-8");
    if (CkFileAccess_getLastMethodSuccess(fac) != TRUE) {
        printf("%s\n",CkFileAccess_lastErrorText(fac));
        CkRest_Dispose(rest);
        CkAuthAws_Dispose(authAws);
        CkFileAccess_Dispose(fac);
        return;
    }

    //  To send the file in gzip or deflate compressed format, set the Content-Encoding request
    //  header to "gzip" or "deflate".  (this is optional)
    success = CkRest_AddHeader(rest,"Content-Encoding","gzip");

    //  Indicate the Content-Type of our upload.  (This is optional)
    success = CkRest_AddHeader(rest,"Content-Type","text/xml");

    //  We can add an "Expect: 100-continue" header so that if the request is rejected
    //  by the server immediately after receiving the request header, it can respond
    //  and the client (Chilkat) can avoid sending the file data.
    //  (this is optional)
    success = CkRest_AddHeader(rest,"Expect","100-continue");

    //  Upload the file to Amazon S3.
    responseBodyStr = CkRest_fullRequestString(rest,"PUT","/hamlet_play.xml",fileContents);
    if (CkRest_getLastMethodSuccess(rest) != TRUE) {
        printf("%s\n",CkRest_lastErrorText(rest));
        CkRest_Dispose(rest);
        CkAuthAws_Dispose(authAws);
        CkFileAccess_Dispose(fac);
        return;
    }

    //  Did we get a 200 response indicating success?
    statusCode = CkRest_getResponseStatusCode(rest);
    if (statusCode != 200) {
        printf("Error response: %s\n",responseBodyStr);
        printf("Status code: %d, Status text: %s\n",statusCode,CkRest_responseStatusText(rest));
        CkRest_Dispose(rest);
        CkAuthAws_Dispose(authAws);
        CkFileAccess_Dispose(fac);
        return;
    }

    printf("File successfully uploaded.\n");


    CkRest_Dispose(rest);
    CkAuthAws_Dispose(authAws);
    CkFileAccess_Dispose(fac);

    }

 

© 2000-2019 Chilkat Software, Inc. All Rights Reserved.