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