81 lines
2.3 KiB
PHP
81 lines
2.3 KiB
PHP
<?php
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// Create an account and apply SSH key
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$config = json_decode(file_get_contents("/var/www/usergen/secret/config.json", true));
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require_once("/var/www/usergen/secret/helpers.php");
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require_once("/var/www/usergen/secret/oauth.php");
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require_once("/var/www/usergen/secret/rsa.php");
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function checkParameters($parameterArray){
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$error = false;
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foreach($parameterArray as $parameter){
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if(!isset($_POST[$parameter])){
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$error = true;
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}
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}
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return $error;
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}
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function apiResult($result){
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header('Content-type: application/json');
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echo json_encode($result);
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exit();
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}
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function success($encryptedToken){
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$Auth = verifyEncToken($encryptedToken);
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returnSuccess(true, buildEncToken($Auth["AuthToken"], $Auth["UserID"], $_SERVER["REMOTE_ADDR"], $_SERVER["HTTP_USER_AGENT"]));
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}
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function error($error){
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returnError($error);
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}
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function validateUsername($username){
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return (preg_match("/^([a-zA-Z0-9_.]+)$/", $username) == 1);
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}
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function validatePublicKey($key){
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return (preg_match("/^(ssh-rsa AAAAB3NzaC1yc2|ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNT|ecdsa-sha2-nistp384 AAAAE2VjZHNhLXNoYTItbmlzdHAzODQAAAAIbmlzdHAzOD|ecdsa-sha2-nistp521 AAAAE2VjZHNhLXNoYTItbmlzdHA1MjEAAAAIbmlzdHA1Mj|ssh-ed25519 AAAAC3NzaC1lZDI1NTE5|ssh-dss AAAAB3NzaC1kc3)[0-9A-Za-z+\/]+[=]{0,3}( .*)?$/", $key) == 1);
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}
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if (checkParameters(array("pubkey", "token"))){
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error("Missing parameters");
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}
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$userToken = $_POST["token"];
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$pubkey = $_POST["pubkey"];
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if(!validatePublicKey($pubkey)){
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error("Invalid public key");
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}
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$User = verifyEncToken($userToken);
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// Check User
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if (gettype($User) == "string") {
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// Invalid Token
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error($User);
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}else{
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// Valid Token
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$User = $User["MastodonData"];
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}
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if(!validateUsername($User->username)){
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error("Invalid POSIX Username");
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}
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// Create temporary pubkey holding file
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$TempFileName = "/etc/ttyserver/tmp/".uniqid("ssh-", true).".pub";
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if(!file_put_contents($TempFileName, $pubkey."\n")){
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error("Key Addition Failed: Temp");
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}
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// Run User Generation Tool
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// TODO: Replace with custom Rust PHP Extension?
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$UserGenCode = shell_exec("/usr/bin/sudo /etc/ttyserver/bin/mkuser \"".$User->username."\" \"".$TempFileName."\" 2>&1; echo $?");
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if($UserGenCode != "0"){
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error("Key Addition Failed: MK-".$UserGenCode);
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}
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success($userToken);
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?>
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