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(C#) SCP Download/Upload Binary Files as Encoded StringsDemonstrates how to upload and download binary files as encoded strings (base64, hex, etc.) using the SCP protocol (Secure Copy Protocol over SSH).
// This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. Chilkat.Ssh ssh = new Chilkat.Ssh(); // Hostname may be an IP address or hostname: string hostname = "www.some-ssh-server.com"; int port = 22; // Connect to an SSH server: bool success = ssh.Connect(hostname,port); if (success != true) { Debug.WriteLine(ssh.LastErrorText); return; } // Wait a max of 5 seconds when reading responses.. ssh.IdleTimeoutMs = 5000; // Authenticate using login/password: success = ssh.AuthenticatePw("myLogin","myPassword"); if (success != true) { Debug.WriteLine(ssh.LastErrorText); return; } // Once the SSH object is connected and authenticated, we use it // in our SCP object. Chilkat.Scp scp = new Chilkat.Scp(); success = scp.UseSsh(ssh); if (success != true) { Debug.WriteLine(scp.LastErrorText); return; } string remotePath = "images/starfish.jpg"; // Download the binary file and return as a base64 string. // See <a href="http://www.cknotes.com/chilkat-binary-encoding-list/">List of Encodings</a> for a list of possible encodings. string encodedJpg = scp.DownloadBinaryEncoded(remotePath,"base64"); if (scp.LastMethodSuccess != true) { Debug.WriteLine(scp.LastErrorText); return; } remotePath = "images/starfish2.jpg"; // Now upload from the base64 string to the SSH server. // Insided the call to UploadBinaryEncoded, the base64 string is decoded, // and the decoded bytes are uploaded. The resulting starfish2.jpg on the // server will be identical to the original starfish.jpg success = scp.UploadBinaryEncoded(remotePath,encodedJpg,"base64"); if (success != true) { Debug.WriteLine(scp.LastErrorText); return; } Debug.WriteLine("SCP download/upload binary encoded success."); // Disconnect ssh.Disconnect(); |
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