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optimize signup.

This commit is contained in:
creme 2020-01-17 10:53:10 +01:00
parent 5cfa50d8f5
commit 854bb3f866
Signed by: creme
GPG Key ID: C147C3B7FBDF08D0
2 changed files with 19 additions and 17 deletions
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34
signup-mailer.php
View File

@ -14,14 +14,14 @@ function getUserIpAddr() {
}
function forbidden_name($name) {
$forbidden = file("/var/signups_forbidden", FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
$current = file("/var/signups_current", FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
$banned = file("/var/banned_names.txt", FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
$tmp = array_merge($forbidden, $current);
$fname = array_merge($tmp, $banned);
return in_array($name, $fname);
return in_array(
$name,
array_merge(
file("/var/signups_forbidden", FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES),
file("/var/signups_current", FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES),
file("/var/banned_names.txt", FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES)
)
);
}
function forbidden_email($email) {
@ -44,6 +44,7 @@ if (isset($_REQUEST["username"]) && isset($_REQUEST["email"])) {
$headers[] = "From: $mailFrom";
//$headers[] = "Cc: $mailFrom";
// Check the name.
$name = trim($_REQUEST["username"]);
if ($name == "")
$message .= "<li>fill in your desired username</li>\n";
@ -60,22 +61,23 @@ if (isset($_REQUEST["username"]) && isset($_REQUEST["email"])) {
if (posix_getpwnam($name) || forbidden_name($name))
$message .= "<li>sorry, the username $name is unavailable</li>\n";
// Check the e-mail address.
$email = trim($_REQUEST["email"]);
if ($email == "")
$message .= "<li>fill in your email address</li>\n";
else {
if (!filter_var($email, FILTER_VALIDATE_EMAIL))
$message .= "<li>Invalid email format</li>\n";
if ($email != "" && !filter_var($email, FILTER_VALIDATE_EMAIL))
$message .= "<li>Invalid email format</li>\n";
if ($name != "" && $email != "") {
if (forbidden_email($email)) {
elseif ($name != "" && forbidden_email($email)) {
$user_ip = getUserIpAddr();
$user_info = "$name - $email - $user_ip";
$message .= "<li>your email is banned!<br />IP: $user_ip</li>\n";
$message .= "<li>your email is banned!</li>\n";
file_put_contents("/var/signups_banned", $user_info.PHP_EOL, FILE_APPEND);
}
}
if ($_REQUEST["message"] == "")
if ($_REQUEST["interest"] == "")
$message .= "<li>explain why youre interested so we can make sure youre a real human being</li>\n";
if ($_REQUEST["sshkey"] == "" || substr($_REQUEST["sshkey"], 0, 4) !== "ssh-")
@ -91,7 +93,7 @@ if (isset($_REQUEST["username"]) && isset($_REQUEST["email"])) {
username: {$_REQUEST["username"]}
email: {$_REQUEST["email"]}
reason:
{$_REQUEST["message"]}
{$_REQUEST["interest"]}
$makeuser
";

2
signup.php
View File

@ -32,7 +32,7 @@ fill out this form and i'll get back to you with your account informations.
<input class="form-control" name="email" value="<?=$_REQUEST["email"] ?? ""?>" type="text" style="width: 300px;"></label>
<label>what interests you about envs.net?
<textarea class="form-control" name="message" cols="80" rows="8"><?=$_REQUEST["message"] ?? ""?></textarea></label>
<textarea class="form-control" name="interest" cols="80" rows="8"><?=$_REQUEST["interest"] ?? ""?></textarea></label>
<label>ssh public key:
<textarea class="form-control" name="sshkey" cols="80" rows="8"><?=$_REQUEST["sshkey"] ?? ""?></textarea></label>