mirror of
https://github.com/Fluffy-Bean/image-gallery.git
synced 2025-06-08 11:23:11 +00:00
325 lines
No EOL
8.7 KiB
PHP
325 lines
No EOL
8.7 KiB
PHP
<?php
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namespace App;
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use Exception;
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use Throwable;
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use Imagick;
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class Make {
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function thumbnail($image_path, $thumbnail_path, $resolution = 300): Exception|string
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{
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try {
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$thumbnail = new Imagick($image_path);
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$thumbnail->resizeImage($resolution,null,null,1,null);
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$thumbnail->writeImage($thumbnail_path);
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return "success";
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} catch (Exception $e) {
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return $e;
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}
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}
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/*
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Clean up long text input and turn into an array for tags
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Returns clean string of words with equal white space between it
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*/
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function tags($string): string
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{
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$string = str_replace('-', '_', $string);
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$string = preg_replace('/[^A-Za-z0-9\_ ]/', '', $string);
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$string = strtolower($string);
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$string = preg_replace('/ +/', ' ', $string);
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$string = explode(' ', $string);
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$string_list = array();
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foreach ($string as $i) {
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if (!in_array($i, $string_list)) {
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$string_list[] = $i;
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}
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}
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$string = implode(' ', $string_list);
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return trim($string);
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}
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function get_image_colour($img): ?string
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{
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$img_type = pathinfo($img, PATHINFO_EXTENSION);
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if ($img_type == "png") {
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$img = imagecreatefrompng($img);
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} elseif ($img_type == "jpg" || $img_type == "jpeg") {
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$img = imagecreatefromjpeg($img);
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} elseif ($img_type == "webp") {
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$img = imagecreatefromwebp($img);
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} else {
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return null;
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}
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try {
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$w = imagesx($img);
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$h = imagesy($img);
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$r = $g = $b = 0;
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for($y = 0; $y < $h; $y++) {
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for($x = 0; $x < $w; $x++) {
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$rgb = imagecolorat($img, $x, $y);
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$r += $rgb >> 16;
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$g += $rgb >> 8 & 255;
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$b += $rgb & 255;
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}
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}
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$pxls = $w * $h;
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$r = dechex(round($r / $pxls));
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$g = dechex(round($g / $pxls));
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$b = dechex(round($b / $pxls));
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if(strlen($r) < 2) {
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$r = 0 . $r;
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}
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if(strlen($g) < 2) {
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$g = 0 . $g;
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}
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if(strlen($b) < 2) {
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$b = 0 . $b;
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}
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return "#" . $r . $g . $b;
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} catch (Throwable $e) {
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return null;
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}
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}
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}
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class Account {
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/*
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Check if user is loggedin
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Returns True if user is
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Returns False if user is NOT
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*/
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function is_loggedin($conn): bool
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{
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$error = 0;
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if (!isset($_SESSION["loggedin"]) || !$_SESSION["loggedin"]) $error += 1;
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if (empty($this->get_user_info($conn, $_SESSION["id"])) || $this->get_user_info($conn, $_SESSION["id"]) == null) $error += 1;
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if ($error > 0) {
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return false;
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} else {
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return true;
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}
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}
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/*
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Get full user info from database
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Returns array with user info
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*/
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function get_user_info($conn, $id): bool|array|null
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{
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$sql = "SELECT id, username, created_at, pfp_path FROM users WHERE id = ?";
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if ($stmt = mysqli_prepare($conn, $sql)) {
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// Bind variables to the prepared statement as parameters
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mysqli_stmt_bind_param($stmt, "i", $param_user_id);
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$param_user_id = $id;
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$stmt->execute();
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$query = $stmt->get_result();
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// Fetching associated info
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$user_array = mysqli_fetch_assoc($query);
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}
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return($user_array);
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}
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/*
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Check if user is admin
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Returns True if user is privilaged
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Returns False if user is NOT privilaged
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*/
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function is_admin($conn, $id): bool
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{
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if (isset($id) && !empty($id)) {
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// Setting SQL query
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$sql = "SELECT admin FROM users WHERE id = ?";
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if ($stmt = mysqli_prepare($conn, $sql)) {
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// Bind variables to the prepared statement as parameters
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mysqli_stmt_bind_param($stmt, "i", $param_user_id);
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$param_user_id = $id;
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$stmt->execute();
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$query = $stmt->get_result();
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// Fetching associated info
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$user_array = mysqli_fetch_assoc($query);
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}
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if ($user_array['admin'] || $id == 1) {
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return True;
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} else {
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return False;
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}
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} else {
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return False;
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}
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}
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/*
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Get target IP, used for logging
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*/
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function get_ip(): mixed
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{
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if (!empty($_SERVER['HTTP_CLIENT_IP'])) {
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$target_ip = $_SERVER['HTTP_CLIENT_IP'];
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} elseif (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
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$target_ip = $_SERVER['HTTP_X_FORWARDED_FOR'];
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} else {
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$target_ip = $_SERVER['REMOTE_ADDR'];
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}
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return $target_ip;
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}
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}
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class Image {
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/*
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Get full image info from database
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Returns array with image info
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*/
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function get_image_info($conn, $id): bool|array|null
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{
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$sql = "SELECT * FROM images WHERE id = ?";
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if ($stmt = mysqli_prepare($conn, $sql)) {
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// Bind variables to the prepared statement as parameters
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mysqli_stmt_bind_param($stmt, "i", $id);
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$stmt->execute();
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$query = $stmt->get_result();
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// Fetching associated info
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$group_array = mysqli_fetch_assoc($query);
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}
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return($group_array);
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}
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/*
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Check if user is image owner
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Returns True if user is privilaged
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Returns False if user is NOT privilaged
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*/
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function image_privilage($id): bool
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{
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$session_id = $_SESSION['id'];
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if (isset($session_id) || !empty($session_id)) {
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if ($session_id == $id) {
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return True;
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} else {
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return False;
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}
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} else {
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return False;
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}
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}
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}
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class Group {
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function get_group_info($conn, $id): bool|array|null
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{
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// Setting SQL query
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$sql = "SELECT * FROM groups WHERE id = ?";
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if ($stmt = mysqli_prepare($conn, $sql)) {
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// Bind variables to the prepared statement as parameters
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mysqli_stmt_bind_param($stmt, "i", $id);
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$stmt->execute();
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$query = $stmt->get_result();
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// Fetching associated info
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$group_array = mysqli_fetch_assoc($query);
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}
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return($group_array);
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}
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function get_group_members($conn, $id): array
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{
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$user_array = array();
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$sql = "SELECT * FROM groups WHERE id = ?";
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if ($stmt = mysqli_prepare($conn, $sql)) {
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// Bind variables to the prepared statement as parameters
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mysqli_stmt_bind_param($stmt, "i", $id);
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$stmt->execute();
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$query = $stmt->get_result();
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// Fetching associated info
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$group_array = mysqli_fetch_assoc($query);
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}
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try {
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$image_list = explode(" ", $group_array['image_list']);
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$user_array = array();
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foreach ($image_list as $image) {
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$image_request = mysqli_query($conn, "SELECT author FROM images WHERE id = ".$image);
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while ($author = mysqli_fetch_column($image_request)) {
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if (!in_array($author, $user_array)) {
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$user_array[] = $author;
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}
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}
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}
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} catch (Exception) {
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}
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return($user_array);
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}
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}
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class Diff {
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function time($past_time, $full_date = false): string
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{
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$now = new \DateTime;
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$ago = new \DateTime($past_time);
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$diff = $now->diff($ago);
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$diff->w = floor($diff->d / 7);
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$diff->d -= $diff->w * 7;
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$string = array(
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'y' => 'year',
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'm' => 'month',
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'w' => 'week',
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'd' => 'day',
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'h' => 'hour',
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'i' => 'minute',
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's' => 'second',
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);
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foreach ($string as $k => &$v) {
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if ($diff->$k) {
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$v = $diff->$k . ' ' . $v . ($diff->$k > 1 ? 's' : '');
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} else {
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unset($string[$k]);
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}
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}
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if (!$full_date) $string = array_slice($string, 0, 1);
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return $string ? implode(', ', $string) . ' ago' : 'just now';
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}
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} |