/**
* Uploads image given as a binnary stream or the base64 data.
*/
function imgevr_upload_image()
{
$mime = !empty($_POST['imgMime']) ? $_POST['imgMime'] : null;
if ('null' === $mime) {
$mime = null;
}
$name = !empty($_POST['imgName']) ? $_POST['imgName'] : null;
if ('null' === $name) {
$name = null;
}
$parentId = isset($_POST['imgParent']) ? intval($_POST['imgParent']) : 0;
$ref = isset($_POST['imgRef']) ? $_POST['imgRef'] : false;
if (empty($mime)) {
if (!empty($_POST['file']) && preg_match('/image\\/[a-z0-9]+/', $_POST['file'], $matches)) {
$mime = $matches[0];
} else {
factory_325_json_error('Unable to get mime type of the file.');
}
}
// gets extension
$parts = explode('/', $mime);
$ext = empty($parts[1]) ? 'png' : $parts[1];
// check the path to upload
$uploadInfo = wp_upload_dir();
$targetPath = $uploadInfo['path'];
if (!is_dir($targetPath)) {
mkdir($targetPath, 0777, true);
}
// move the uploaded file to the upload path
$imageName = !empty($name) && $name !== 'undefined' ? factory_325_filename_without_ext($name) : 'img_' . uniqid();
$target = $targetPath . '/' . $imageName . '.' . $ext;
if (isset($_FILES['file'])) {
if (empty($_FILES['file']['size'])) {
factory_325_json_error('Sorry, the error of reading image data occured. May be the image is empty of has incorrect format.');
}
$source = $_FILES['file']['tmp_name'];
move_uploaded_file($source, $target);
} else {
if (preg_match('/base64,(.*)/', $_POST['file'], $matches)) {
$img = str_replace(' ', '+', $matches[1]);
$data = base64_decode($img);
$success = file_put_contents($target, $data);
if (!$success) {
factory_325_json_error('Unable to save the image.');
}
} else {
factory_325_json_error('Incorrect file format (base64).');
}
}
$media = array();
$media['base'] = array('guid' => $uploadInfo['url'] . '/' . $imageName . '.' . $ext, 'path' => $target, 'name' => $imageName);
$resizingEnabled = false;
$compressionEnabled = false;
// for the function wp_generate_attachment_metadata() to work
require_once ABSPATH . 'wp-admin/includes/image.php';
foreach ($media as $key => $item) {
$attachment = array('guid' => $item['guid'], 'post_mime_type' => $mime, 'post_title' => $item['name'], 'post_name' => $item['name'], 'post_content' => '', 'post_status' => 'inherit');
$media[$key]['id'] = wp_insert_attachment($attachment, $item['path'], $parentId);
$attach_data = wp_generate_attachment_metadata($media[$key]['id'], $item['path']);
wp_update_attachment_metadata($media[$key]['id'], $attach_data);
}
$id = $media['base']['id'];
$cssClasses = ' ' . trim(get_option('imgevr_css_class', ''));
if (!empty($id)) {
$html = "<img alt='' class='alignnone size-full wp-image-" . $id . $cssClasses . "' src='" . $media['base']['guid'] . "' />";
} else {
$html = "<img alt='' class='alignnone size-full" . $cssClasses . "' src='" . $media['base']['guid'] . "' />";
}
$linksEnabled = get_option('imgevr_links_enable', false);
if ($linksEnabled) {
$saveOriginal = get_option('imgevr_resizing_save_original', false);
if ($resizingEnabled && $saveOriginal) {
$html = "<a href='" . $media['original']['guid'] . "'>" . $html . '</a>';
} else {
$html = "<a href='" . $media['base']['guid'] . "'>" . $html . '</a>';
}
}
$result = array('html' => $html);
echo json_encode($result);
exit;
}
/**
* Renames the given image. May return a confirmation request.
*/
function imgevr_rename_image()
{
global $clipImages;
if (in_array($clipImages->license->type, array('free'))) {
return;
}
// value of the 'src' attribute of a given image
$imgUrl = trim($_POST['imgUrl']);
// a new image name specified by a user
$imgName = sanitize_title(trim($_POST['imgName']));
// image attachment id, may be missed
$imgId = isset($_POST['imgId']) ? intval($_POST['imgId']) : 0;
// post id where a given image is
$postId = isset($_POST['imgPostId']) ? intval($_POST['imgPostId']) : 0;
// post id where a given image is
$overwrite = isset($_POST['imgOverwrite']) && $_POST['imgOverwrite'] ? true : false;
if (empty($imgUrl) || empty($imgName)) {
exit;
}
// extracts relative image path from url
$uploadData = wp_upload_dir();
$siteUrl = trailingslashit(site_url());
// default 'wp-content/uploads/'
$term = trailingslashit(str_replace($siteUrl, '', $uploadData['baseurl']));
$partPos = strpos($imgUrl, $term);
if ($partPos === false) {
factory_325_json_error('Sorry, the file for renaming has been not found on your server.');
}
$relPath = substr($imgUrl, $partPos + strlen($term), strlen($imgUrl));
$absPath = $uploadData['basedir'] . '/' . $relPath;
$orgData = factory_325_pathinfo($relPath);
if (!is_file($absPath)) {
factory_325_json_error('Sorry, the file for renaming is not found on your server.');
}
// if original file already has a given name
if ($orgData['basename'] == $imgName) {
return;
}
$newRelPath = $orgData['dirname'] . '/' . $imgName . '.' . $orgData['extension'];
$newAbsPath = $uploadData['basedir'] . '/' . $newRelPath;
$newAbsUrl = $uploadData['baseurl'] . '/' . $newRelPath;
// checks if the file with the specified name already exist
if (is_file($newAbsPath) && !$overwrite) {
echo json_encode(array('confirm' => 'The file <strong>' . $imgName . '.' . $orgData['extension'] . '</strong> already exists on the server. What to do?', 'src' => $newAbsUrl));
exit;
}
// updates a post content to avoid the situation
// when the a user have renamed an images, but did't not save the post
if (!empty($postId)) {
$post = get_post($postId);
$content = str_replace($relPath, $newRelPath, $post->post_content);
wp_update_post(array('ID' => $post->ID, 'post_content' => $content));
}
// deletes the existing file if a user asked to overwrite it
if (is_file($newAbsPath) && $overwrite) {
unlink($newAbsPath);
}
// renames the file
rename($absPath, $newAbsPath);
// updates attachemnt data if the image id is specified
if (!empty($imgId)) {
$data = array('ID' => $imgId, 'guid' => $newAbsUrl, 'post_name' => $imgName, 'post_title' => $imgName);
wp_update_post($data);
$attach_data = wp_generate_attachment_metadata($imgId, $newAbsPath);
wp_update_attachment_metadata($imgId, $attach_data);
update_post_meta($imgId, '_wp_attached_file', $newRelPath);
}
echo json_encode(array('src' => $newAbsUrl));
exit;
}
