Re: Hoping for a working example of SFTP in PHP

Hello, Instead of $connection = ssh2_connect('shell.example.com', 22); ssh2_auth_password($connection, 'username', 'password'); $sftp = ssh2_sftp($connection); do: $connection = ssh2_connect('shell.example.com', 22, array('hostkey'=> 'ssh-rsa')); if (ssh2_auth_pubkey_file($connection, 'username', '/home/username/.ssh/id_rsa.pub', '/home/username/.ssh/id_rsa', 'secret')) { echo "Public Key Authentication Successful\n"; $sftp = ssh2_sftp($connection); } else { die('Public Key Authentication Failed'); } Taken from https://www.php.net/manual/en/function.ssh2-sftp and https://www.php.net/manual/en/function.ssh2-auth-pubkey-file.php Just a recommendation: The PHP manual is about learning to use PHP, not about learning programming, algorithms, the examples in the manual is just a plus. Once just learn to program (I recommend learning it in pseudocode and then in c, and then in c++) and then you can jump to more high-level language: PHP, Javascript, Python, any language will be easy once you become for example a Software engineer. Regards, José Nobile On Mon, Jan 25, 2021 at 7:52 AM David Spector < david025@springtimesoftware.com> wrote: > I have a question about uploading a file (text.txt) securely in PHP > using the SFTP protocol and a public/private key pair. > > I have posted this question is several fora, but no one seems to know > for sure how to do it. Although I've received much advice, none of the > actual published examples (including those in the PHP Manual) are known > to work, and do not work for me. I know my parameters are okay, since > they work in CoreFTP and PuTTY, two manual applications that implement > SFTP with private keys. Also, the short FTP insecure example in the PHP > Manual works perfectly for me. There seem to be many subtle undocumented > issues with getting any of the published example code using private keys > to work. I'm inexperienced with SFTP and other advanced features of PHP > and am hoping to find a working example. > > So far I have tried a number of examples using the ssh2 PHP extension > and the cURL PHP extension. They fail, and the error messages, if any, > are uninformative. > > A little background: > > I do website development work for two small companies on a Windows > computer (Apache/PHP 7), uploading to a remote production server > (VPS/cPanel/Centos). My local software versions are: Windows 10 > Hone/2004, Bitnami WAMP/7.4.13-0, Apache/2.4.46 (Win64), OpenSSL/1.1.1h, > PHP/7.4.13, libssh2/1.9.0. > > Where I am now is that I used cPanel on the remote server to install an > SSH/SFTP public key for a particular account. I then copied the > generated encrypted x.key and x.ppk private key files to my local > computer. Now I am ready to upload files securely, if only PHP made the > task easy. Unfortunately, it does not. > > I know that phpseclib is available and is said to work well, but it is a > very large PHP source code library, so I'd rather use the php_ssh2.dll > or cURL PHP extension, or something similar. > > In summary, I'm looking for someone who has successfully used SFTP file > upload with private key in PHP to share their code with me. I pledge to > test the code and post it further to help others with this difficult but > increasingly important and useful problem. > > David Spector > Springtime Software >