Webbserverprogrammering 1

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Webserver1/Ovningar/Slutprojekt/

.env
DEBUG/
Media/
account.js
account.php
callback_log.txt
change_account_details.php
composer.json
composer.lock
forgot_pass.php
forgot_pass_new_pass.php
header.php
index.php
login.php
mediaplayer.php
node_modules/
package-lock.json
package.json
signup.php
style.css
upload.js
upload_callback.php
upload_callback_simulated.php
upload_chunk.php
upload_errors.log
upload_form.php
upload_handler.php
upload_success.log
vendor/
verify_file.php
verifypage.php

upload_callback_simulated.php

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<?php
// Denna fil kommer att kallas på när Sightengine har något viktigt att säga

ignore_user_abort(true);
set_time_limit(0);

file_put_contents(__DIR__ . "/callback_log.txt", "HIT\n", FILE_APPEND);

define("MAX_SEXUAL_THRESHOLD", 0.4);
define("MAX_GORE_THRESHOLD", 0.5);

/**
 * @var PDO $dbconn
 * @var bool $local
 * @var class DBManager
 */
include('../../incl/dbconnection.php');

$payload = file_get_contents("php://input");
$content = json_decode($payload, true);

$dbmanager = new DBManager();

// You now have access to the following:
// the media id => $content['media']['id']
// the moderation data => $content['data']
// the moderation status => $content['data']['status']

$output =  "Confirmation recieved for: "
  . $content['media']['id']
  . "\nStatus: "
  . $content['data']['status']
  . "\n";

file_put_contents(__DIR__ . "/callback_log.txt", $output, FILE_APPEND);

$med_id = $content['media']['id'];
$req_id = $content['request'];
$status = $content['data']['status'];
$frames = $content['data']['frames'];

http_response_code(200);

// Wait 1 minute to simulate asynchronous background moderation
sleep(60);

if ($status == "finished" || $status == "ongoing") {
  $allowed = true;

  foreach ($frames as $frame) {
    $sexual_activity = $frame['nudity']['sexual_activity'] ?? 0.0;
    $sexual_display = $frame['nudity']['sexual_display'] ?? 0.0;
    $suggestive = $frame['nudity']['suggestive'] ?? 0.0;

    $very_bloody = $frame['gore']['very_bloody'] ?? 0.0;
    $corpse = $frame['gore']['corpse'] ?? 0.0;
    $serious_injury = $frame['gore']['serious_injury'] ?? 0.0;
    $animated = $frame['gore']['type']['animated'] ?? 0.0;

    if (max($sexual_activity, $sexual_display, $suggestive) > MAX_SEXUAL_THRESHOLD) {
      $allowed = false;
      break;
    }
    elseif (max($very_bloody, $corpse, $serious_injury) > MAX_GORE_THRESHOLD) {
      # Tillåt animerat men inte riktigt våld
      if ($animated < 0.8) {
        $allowed = false;
        break;
      }
    }
  }

  if ($allowed) {
    $dbmanager->update_table_values("bay_media", ["hidden" => 0], ["media_id" => $med_id]);
    file_put_contents(__DIR__ . "/callback_log.txt", "Media approved!\n", FILE_APPEND);
  }
  else {
    $paths = $dbmanager->fetch_from_table(["href_video", "href_thumb"], "bay_media", ["media_id" => $med_id]);
    $video_path = $paths[0]['href_video'] ?? "";
    $thumb_path = $paths[0]['href_thumb'] ?? "";
    if (file_exists($video_path)) {
      unlink($video_path);
    }
    if (file_exists($thumb_path)) {
      unlink($thumb_path);
    }
    $dbmanager->remove_from_table("bay_media", ["media_id" => $med_id]);
    file_put_contents(__DIR__ . "/callback_log.txt", "Media rejected!\n", FILE_APPEND);
  }
}

http_response_code(200);