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Swift 2 Examples

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(Swift 2) SFTP Get/Set File Permission

Demonstrates how to set the permissions of a file on the SFTP server

Chilkat Downloads for the Swift Programming Language

MAC OS X (Cocoa) Objective-C/Swift Libs

iOS Objective-C/Swift Libs

func chilkatTest() {
    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    let sftp = CkoSFtp()

    // Connect to the SSH/SFTP server.  
    var hostname: String? = "sftp.example.com"
    var port: Int = 22
    var success: Bool = sftp.Connect(hostname, port: port)
    if success != true {
        print("\(sftp.LastErrorText)")
        return
    }

    // Authenticate with the SSH server.  Chilkat SFTP supports
    // both password-based authenication as well as public-key
    // authentication.  This example uses password authenication.
    success = sftp.AuthenticatePw("myLogin", password: "myPassword")
    if success != true {
        print("\(sftp.LastErrorText)")
        return
    }

    // After authenticating, the SFTP subsystem must be initialized:
    success = sftp.InitializeSftp()
    if success != true {
        print("\(sftp.LastErrorText)")
        return
    }

    // Get the file permissions for the "hamlet.xml" file on the server.
    // The hamlet.xml file is located in the qa_data directory found under the HOME directory of the SSH user account.
    // We are passing the remote file path (we are not passing a file handle returned by a previous call to OpenFile).
    var isHandle: Bool = false
    var followLinks: Bool = true
    var permVal: Int = sftp.GetFilePermissions("qa_data/hamlet.xml", bFollowLinks: followLinks, bIsHandle: isHandle).intValue
    if permVal < 0 {
        print("\(sftp.LastErrorText)")
        return
    }

    // Note: Filesystem permissions on Linux/Unix/MacOSX are typically written in octal (POSIX file permissions).  For example 0644 is octal.
    // To convert to decimal: octal 644 = 6*8^2 + 4*8 + 4 = 420 (decimal)
    // 
    // The server may return a permissions value (in octal) such as 100644.
    // The "100" indicates the file type, such as regular file or directory. 

    // Show the decimal value of the permissions
    print("decimal permissions value: \(permVal)")

    // To set the file permissions, pass the integer value.
    // Let's change the permissions to 0664, which is 6*8^2 + 6*8 + 4 = 436 (decimal)
    success = sftp.SetPermissions("qa_data/hamlet.xml", bIsHandle: isHandle, perm: 436)
    if success != true {
        print("\(sftp.LastErrorText)")
        return
    }

    print("Success.")

}

 

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