chiro-canto/public/upload/submitmetadata.php

<?php
session_start();
ini_set('display_errors', 1);
ini_set('display_startup_errors', 1);
error_reporting(E_ALL);
$root = realpath($_SERVER["DOCUMENT_ROOT"]);
$target_dir = $root."/storage/records/";
$fileName = $_FILES['file']['name'];
$target_file = $target_dir.basename($_FILES['file']['name']);
$uploadOk = 1;
$fileSize = $_FILES['file']['size'];
$temp = explode('.', $fileName);
$fileExtension = strtolower(end($temp));
$_SESSION['error_msg'] = "Form not submitted.\n";

if (isset($_POST['submit']))
{
    // /!\ Need to check if it is .wav.
    $file_extension_allowed = ['wav'];
    if (! in_array($fileExtension, $file_extension_allowed))
    {
        $_SESSION['error_msg'] .= "This file extension is not allowed; please upload a WAV file.\n";
    }
    if ($fileSize > 10*1024*1024) 
    {
        $_SESSION['error_msg'] .= "The file size must be below 10MB. \n";
    }
    if (move_uploaded_file($_FILES['file']['tmp_name'], $target_file)) 
    {
        echo "The file ". htmlspecialchars(basename($_FILES['file']['name']))." has been uploaded.";
        // Create a spectogram of the file : 
        
        exec("python3 $root./src/spectro_cli.py ".$_FILES['file']['name']);
    } else {
        echo "Sorry, there was an error uploading your file";
    }
    $_SESSION['observation']['file'] = basename($_FILES['file']['name']);
    
    $_SESSION['error_msg'] = "";
    if (isset($_POST['spchoice']))
    {
        if ($_POST['spchoice'] == "unknown") {
            $_SESSION['observation']['species'] = "unknown";
            $_SESSION['observation']['subspecies'] = "";
            setcookie('species', $_SESSION['observation']['species'], time() + 86400 * 365.2, "/");
        } else {
            if (isset($_POST['species'])) 
            {
                $_SESSION['observation']['species'] = $_POST['species'];
                setcookie('species', $_SESSION['observation']['species'], time() + 86400 * 365.2, "/");
            } else 
            {
                $_SESSION['error_msg'].= "Error, incorrect species name.\n";
            }
            if (isset($_POST['subspecies']))
            {
                $_SESSION['observation']['subspecies'] = $_POST['subspecies'];
                setcookie('subspecies', $_SESSION['observation']['subspecies'], time() + 86400 * 365.2, "/");
            } else 
            {
                $_SESSION['observation']['subspecies'] = "";
            }
        }
    }
    if (isset($_POST['recording-license']))
    {
        $_SESSION['observation']['license'] = $_POST['recording-license'];
        setcookie('license', $_SESSION['observation']['license'], time() + 86400 * 365.2, "/");
    } else 
    {
        $_SESSION['error_msg'] .= "Incorrect license\n";
    }
    if (isset($_POST['name'])) 
    {
        $_SESSION['observation']['recordist-name'] = $_POST['name'];
        setcookie('name', $_SESSION['observation']['name'], time() + 86400 * 365.2, "/");
    } else {
        $_SESSION['error_msg'] .= "Incorrect Recordist Name.\n";
    }
    if (isset($_POST['loc-country']))
    {
        $_SESSION['observation']['country'] = $_POST['loc-country'];
    } else 
    {
        $_SESSION['error_msg'] .= "Incorrect Country. \n";
    }
    if (isset($_POST['recording-date']))
    {
        $_SESSION['observation']['date'] = $_POST['recording-date'];
    } else 
    {
        $_SESSION['error_msg'] .= "Incorrect date. \n";
    }
    if (isset($_POST['recording-time']))
    {
        $_SESSION['observation']['time'] = $_POST['recording-time'];
    } else 
    {
        $_SESSION['error_msg'] .= "Incorrect time. \n";
    }
    if (isset($_POST['sound-type-option'])) 
    {
        $_SESSION['observation']['type'] = $_POST['sound-type-option'];
    } else 
    {
        $_SESSION['error_msg'] .= "Incorrect sound type. \n";
    }
    if (isset($_POST['quality']))
    {
        $_SESSION['observation']['quality'] = $_POST['quality'];
    } else
    {
        $_SESSION['error_msg'] .= "Incorrect quality value.\n";
    }
    if (isset($_POST['remarks']))
    {
        $_SESSION['observation']['remarks'] = $_POST['remarks'];
    }
}


if ($_SESSION['error_msg'] == "") 
{
    header('Location: '.'index.php?step=verify');
} else{
    $_SESSION['error_msg'] .= "Please try again.\n";
    header('Location: '.'index.php?step=metadata');
}