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urfd/wiresx/frequency.php

127 lines
4.3 KiB

<?php
// Initialize the session
session_start();
// Check if the user is logged in, otherwise redirect to login page
if (!isset($_SESSION["loggedin"]) || $_SESSION["loggedin"] !== true) {
header("location: login.php");
exit;
}
// Include config file
require_once "configure.php";
// find current frequencies and initialize
$sql = "SELECT txfreq, rxfreq FROM ysfnodes WHERE callsign = ?";
if ($stmt = mysqli_prepare($link, $sql)) {
// Bind variables to the prepared statement as parameters
mysqli_stmt_bind_param($stmt, "s", $_SESSION["callsign"]);
// Attempt to execute the prepared statement
if (mysqli_stmt_execute($stmt)) {
// Store result
mysqli_stmt_store_result($stmt);
// Check if callsign exists, if yes then verify password
if (mysqli_stmt_num_rows($stmt) == 1) {
// Bind result variables
mysqli_stmt_bind_result($stmt, $tx_freq_hz, $rx_freq_hz);
if (mysqli_stmt_fetch($stmt)) {
$txfreq = $tx_freq_hz / 1000000.0;
$rxfreq = $rx_freq_hz / 1000000.0;
} else {
die("Can't bind frequencies\n");
}
} else {
die("Couldn't find one row for callsign\n");
}
} else {
die("Trouble SELECTing row\n");
}
mysqli_stmt_close($stmt);
} else {
die("Couldn't prepare SELECT statement\n");
}
// Processing form data when form is submitted
if ($_SERVER["REQUEST_METHOD"] == "POST") {
// Validate new password
if ($txfreq > 1000.0 || $txfreq < 10.0) {
$txfreq_err = "TX out of range.";
}
// Validate confirm password
if ($rxfreq > 1000.0 || $rxfreq < 10.0) {
$rxfreq_err = "RX out of range.";
}
// Check input errors before updating the database
if (empty($txfreq_err) && empty($rxfreq_err)) {
// Prepare an update statement
$sql = "UPDATE ysfnodes SET txfreq = ?, rxfreq = ? WHERE callsign = ?";
if($stmt = mysqli_prepare($link, $sql)){
// Bind variables to the prepared statement as parameters
$tx_freq_hz = $_POST["txfreq"] * 1000000;
$rx_freq_hz = $_POST["rxfreq"] * 1000000;
mysqli_stmt_bind_param($stmt, "iis", $tx_freq_hz, $rx_freq_hz, $_SESSION["callsign"]);
// Attempt to execute the prepared statement
if(mysqli_stmt_execute($stmt)){
// Frequencies updated successfully, go to summary
header("location: finish.php");
exit();
} else{
echo "Oops! Something went wrong. Please try again later.";
}
// Close statement
mysqli_stmt_close($stmt);
}
}
// Close connection
mysqli_close($link);
}
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Set Frequency</title>
<link rel="stylesheet" href="bootstrap.css">
<style type="text/css">
body{ width: 350px; padding: 20px; }
</style>
</head>
<body>
<div class="page-header">
<h1>Set Frequencies for <?php echo htmlspecialchars($_SESSION["callsign"]); ?></h1>
</div>
<div class="wrapper">
<h2>Hot-Spot Frequencies</h2>
<p>Set your hot-spot frequencies (in MHz) here.</p>
<form action="<?php echo htmlspecialchars($_SERVER["PHP_SELF"]); ?>" method="post">
<div class="form-group <?php echo (!empty($new_txfreq_err)) ? 'has-error' : ''; ?>">
<label>Tx Frequency (MHz)</label>
<input type="number" size="12" name="txfreq" min="10" max="1000" step="0.0005" class="form-control" value="<?php echo $txfreq; ?>">
<span class="help-block"><?php echo $txfreq_err; ?></span>
</div>
<div class="form-group <?php echo (!empty($rxfreq_err)) ? 'has-error' : ''; ?>">
<label>Rx Frequency (MHz)</label>
<input type="number" size="12" name="rxfreq" min="10" max="1000" step="0.0005" class="form-control" value="<?php echo $rxfreq; ?>">
<span class="help-block"><?php echo $rxfreq_err; ?></span>
</div>
<div class="form-group">
<input type="submit" class="btn btn-primary" value="Submit">
<a class="btn btn-link" href="finish.php">Cancel</a>
</div>
</form>
</div>
<p>
<a href="reset-password.php" class="btn btn-warning">Reset Your Password</a>
<a href="logout.php" class="btn btn-danger">Sign Out of Your Account</a>
</p>
</body>
</html>

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