mirror of
https://github.com/renbaoshuo/S2OJ.git
synced 2024-09-20 17:15:18 +00:00
293 lines
10 KiB
PHP
293 lines
10 KiB
PHP
<?php
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use Gregwar\Captcha\PhraseBuilder;
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use Gregwar\Captcha\CaptchaBuilder;
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requirePHPLib('form');
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requireLib('bootstrap5');
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if (!Auth::check()) {
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redirectToLogin();
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}
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if (!isNormalUser($myUser)) {
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become403Page();
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}
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$limit = $myUser['images_size_limit'];
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$_result = DB::selectFirst("SELECT SUM(size), count(*) FROM `users_images` WHERE uploader = '{$myUser['username']}'");
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$used = $_result["SUM(size)"];
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$count = $_result["count(*)"];
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function throwError($msg) {
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die(json_encode(['status' => 'error', 'message' => $msg]));
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}
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$allowedTypes = [IMAGETYPE_PNG, IMAGETYPE_JPEG, IMAGETYPE_GIF];
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if ($_POST['image_upload_file_submit'] == 'submit') {
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header('Content-Type: application/json');
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if (!crsf_check()) {
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throwError('expired');
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}
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if (!isset($_SESSION['phrase']) || !PhraseBuilder::comparePhrases($_SESSION['phrase'], $_POST['captcha'])) {
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throwError("bad_captcha");
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}
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if ($_FILES["image_upload_file"]["error"] > 0) {
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throwError($_FILES["image_upload_file"]["error"]);
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}
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if ($_FILES["image_upload_file"]["size"] > 5242880) { // 5 MB
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throwError('too_large');
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}
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if ($used + $_FILES["image_upload_file"]["size"] > $limit) {
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throwError('storage_limit_exceeded');
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}
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$size = getimagesize($_FILES['image_upload_file']['tmp_name']);
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if (!$size || !in_array($size[2], $allowedTypes)) {
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throwError('not_a_image');
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}
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list($width, $height, $type) = $size;
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$hash = hash_file("sha256", $_FILES['image_upload_file']['tmp_name']);
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$watermark_text = UOJConfig::$data['profile']['oj-name-short'];
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if (isSuperUser($myUser) && $_POST['watermark'] == 'no_watermark') {
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$watermark_text = "";
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$hash += "__no";
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} elseif ($_POST['watermark'] == 'site_shortname_and_username') {
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$watermark_text .= ' @'.Auth::id();
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$hash += "__id";
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}
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$existing_image = DB::selectFirst("SELECT * FROM users_images WHERE `hash` = '$hash'");
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if ($existing_image) {
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die(json_encode(['status' => 'success', 'path' => $existing_image['path']]));
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}
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$img = imagecreatefromstring(file_get_contents($_FILES["image_upload_file"]["tmp_name"]));
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$white = imagecolorallocate($img, 255, 255, 255);
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$black = imagecolorallocate($img, 150, 150, 150);
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imagettftext($img, '16', 0, 10 + 1, max(0, $height - 20) + 1, $black, UOJContext::documentRoot().'/fonts/roboto-mono/RobotoMono-Bold.ttf', $watermark_text);
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imagettftext($img, '16', 0, 10, max(0, $height - 20), $white, UOJContext::documentRoot().'/fonts/roboto-mono/RobotoMono-Bold.ttf', $watermark_text);
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imagepng($img, $_FILES["image_upload_file"]["tmp_name"]);
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imagedestroy($img);
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$filename = uojRandAvaiableFileName('/image_hosting/', 10, '.png');
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if (!move_uploaded_file($_FILES["image_upload_file"]["tmp_name"], UOJContext::storagePath().$filename)) {
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throwError('unknown error');
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}
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DB::insert("INSERT INTO users_images (`path`, uploader, width, height, upload_time, size, `hash`) VALUES ('$filename', '{$myUser['username']}', $width, $height, now(), {$_FILES["image_upload_file"]["size"]}, '$hash')");
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die(json_encode(['status' => 'success', 'path' => $filename]));
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}
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?>
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<?php echoUOJPageHeader(UOJLocale::get('image hosting')) ?>
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<style>
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.drop {
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display: flex;
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align-items: center;
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flex-direction: column;
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justify-content: center;
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align-self: center;
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flex-grow: 0 !important;
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width: 9em;
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height: 8.75em;
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user-select: none;
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cursor: pointer;
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margin-left: 0;
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background: #fafafa;
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border: 1px solid #e8e8e8;
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box-sizing: border-box;
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border-radius: 4px;
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}
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.drop:hover {
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border-color: #89d1f5;
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}
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</style>
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<h1 class="h2">
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<?= UOJLocale::get('image hosting') ?>
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</h1>
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<div class="card card-default">
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<div class="card-body">
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<form class="row m-0" id="image-upload-form" method="post" enctype="multipart/form-data">
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<div class="col-12 col-md-3 col-lg-3 order-1 drop mx-auto mx-md-0" id="image-upload-form-drop">
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<svg aria-hidden="true" focusable="false" role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 576 512" width="56" class="mb-2">
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<g>
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<path fill="#3498db" d="M424.49 120.48a12 12 0 0 0-17 0L272 256l-39.51-39.52a12 12 0 0 0-17 0L160 272v48h352V208zM64 336V128H48a48 48 0 0 0-48 48v256a48 48 0 0 0 48 48h384a48 48 0 0 0 48-48v-16H144a80.09 80.09 0 0 1-80-80z"></path>
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<path fill="#89d1f5" d="M528 32H144a48 48 0 0 0-48 48v256a48 48 0 0 0 48 48h384a48 48 0 0 0 48-48V80a48 48 0 0 0-48-48zM208 80a48 48 0 1 1-48 48 48 48 0 0 1 48-48zm304 240H160v-48l55.52-55.52a12 12 0 0 1 17 0L272 256l135.52-135.52a12 12 0 0 1 17 0L512 208z"></path>
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</g>
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</svg>
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<span class="small">点击此处选择图片</span>
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</div>
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<input id="image_upload_file" name="image_upload_file" type="file" accept="image/*" style="display: none;" />
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<div class="modal fade" id="image-upload-modal" tabindex="-1" aria-hidden="true">
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<div class="modal-dialog">
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<div class="modal-content">
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<div class="modal-header">
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<h1 class="modal-title fs-5" id="exampleModalLabel">上传图片</h1>
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<button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
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</div>
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<div class="modal-body">
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<div class="mb-3">
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您确定要上传图片吗？
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</div>
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<div class="mb-3" id="modal-file-info"></div>
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<div class="input-group">
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<input type="text" class="form-control" id="input-captcha" name="captcha" placeholder="<?= UOJLocale::get('enter verification code') ?>" maxlength="20" />
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<span class="input-group-text p-0 overflow-hidden rounded-0" style="border-bottom-right-radius: var(--bs-border-radius) !important">
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<img id="captcha" class="col w-100 h-100" src="/captcha">
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</span>
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</div>
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<div class="mt-3" id="modal-help-message" style="display: none"></div>
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</div>
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<div class="modal-footer">
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<button type="button" class="btn btn-secondary" data-bs-dismiss="modal">取消</button>
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<button type="submit" class="btn btn-primary">确定</button>
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</div>
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</div>
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</div>
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</div>
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<div class="col-12 col-md-4 col-lg-2 order-2 mt-3 mt-md-0 ms-md-2">
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<h2 class="h4">水印</h2>
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<?php if (isSuperUser($myUser)): ?>
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<div class="form-check d-inline-block d-md-block me-2">
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<input class="form-check-input" type="radio" name="watermark" id="watermark-no_watermark" data-value="no_watermark">
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<label class="form-check-label" for="watermark-no_watermark">
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无水印
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</label>
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</div>
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<?php endif ?>
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<div class="form-check d-inline-block d-md-block me-2">
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<input class="form-check-input" type="radio" name="watermark" id="watermark-site_shortname" data-value="site_shortname" checked>
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<label class="form-check-label" for="watermark-site_shortname">
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<?= UOJConfig::$data['profile']['oj-name-short'] ?>
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</label>
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</div>
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<div class="form-check d-inline-block d-md-block me-2">
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<input class="form-check-input" type="radio" name="watermark" id="watermark-site_shortname_and_username" data-value="site_shortname_and_username">
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<label class="form-check-label" for="watermark-site_shortname_and_username">
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<?= UOJConfig::$data['profile']['oj-name-short'] ?> @<?= Auth::id() ?>
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</label>
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</div>
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</div>
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<div class="col order-3 order-md-4 order-lg-3 mt-3 mt-lg-0 ms-lg-2">
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<h2 class="h4">上传须知</h2>
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<ul>
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<li>上传的图片必须符合法律与社会道德；</li>
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<li>图床仅供 S2OJ 站内使用，校外用户无法查看；</li>
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<li>在合适的地方插入图片即可引用。</li>
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</ul>
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</div>
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<div class="col-12 col-md-5 col-lg-3 order-4 order-md-3 order-lg-4 mt-3 mt-md-0 ms-md-2">
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<h2 class="h4">使用统计</h2>
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<div class="d-flex justify-content-between">
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<span class="small">已用空间</span>
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<span><?= round($used * 1.0 / 1024 / 1024, 2) ?> MB / <?= round($limit * 1.0 / 1024 / 1024, 2) ?> MB</span>
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</div>
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<div class="d-flex justify-content-between">
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<span class="small">上传总数</span>
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<span><?= $count ?> 张</span>
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</div>
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</div>
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</form>
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</div>
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</div>
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<script>
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var image_upload_modal = new bootstrap.Modal('#image-upload-modal');
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function refreshCaptcha() {
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var timestamp = new Date().getTime();
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$("#captcha").attr("src", "/captcha" + '?' + timestamp);
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}
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$("#captcha").click(function(e) {
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refreshCaptcha();
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});
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$('#image-upload-form').submit(function(event) {
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event.preventDefault();
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var data = new FormData();
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data.append('_token', "<?= crsf_token() ?>");
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data.append('image_upload_file_submit', 'submit');
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data.append('image_upload_file', $('#image_upload_file').prop('files')[0]);
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data.append('watermark', $('input[name=watermark]:checked', this).data('value'));
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data.append('captcha', $('#input-captcha').val());
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if ($('#image_upload_file').prop('files')[0].size > 5242880) {
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$('#modal-help-message').html('图片大小不能超过 5 MB。').show();
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return false;
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}
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$('#modal-help-message').html('上传中...').show();
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$.ajax({
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method: 'POST',
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processData: false,
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contentType: false,
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data: data,
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success: function(data) {
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if (data.status === 'success') {
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image_upload_modal.hide();
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location.reload();
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} else {
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if (data.message === 'bad_captcha') {
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refreshCaptcha();
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$('#modal-help-message').html('验证码错误。').show();
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} else if (data.message === 'expired') {
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$('#modal-help-message').html('页面过期，请刷新重试。').show();
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} else if (data.message === 'storage_limit_exceeded') {
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$('#modal-help-message').html('存储超限，请联系管理员提升限制。').show();
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} else if (data.message === 'not_a_image') {
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$('#modal-help-message').html('文件格式不受支持。').show();
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} else if (data.message === 'too_large') {
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$('#modal-help-message').html('图片大小不能超过 5 MB。').show();
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}
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}
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},
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});
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return false;
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});
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$('#image-upload-form-drop').click(function() {
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$('#image_upload_file').click();
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});
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$('#image_upload_file').change(function() {
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if ($(this).prop('files')) {
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refreshCaptcha();
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var watermark_type = $('input[name=watermark]:checked', '#image-upload-form').data('value');
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var html = '';
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html += '大小：<b>'+($(this).prop('files')[0].size / 1024).toFixed(2)+'</b> KB。';
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if (watermark_type === 'no_watermark') {
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html += '不添加水印。';
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} else if (watermark_type === 'site_shortname_and_username') {
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html += '使用水印：<?= UOJConfig::$data['profile']['oj-name-short'] ?> @<?= Auth::id() ?>。';
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} else {
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html += '使用水印：<?= UOJConfig::$data['profile']['oj-name-short'] ?>。';
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}
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$('#modal-file-info').html(html);
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$('#modal-help-message').html('').hide();
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image_upload_modal.show();
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}
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});
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</script>
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<?php echoUOJPageFooter() ?>
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