<?php
/*
* rest_api_init
* Custom /upload route
*
* @since 3.0
*/
add_action( 'rest_api_init', function () {
$my_namespace = 'instant-images';
$my_endpoint = '/upload';
register_rest_route( $my_namespace, $my_endpoint,
array(
'methods' => 'POST',
'callback' => 'upload_image',
)
);
});
/*
* upload_image
* Upload Image to /uploads directory
*
* @param $request $_POST
* @return $response json
* @since 3.0
*/
function upload_image( WP_REST_Request $request ) {
if (is_user_logged_in() && current_user_can( 'edit_theme_options' )){
error_reporting(E_ALL|E_STRICT);
// Create /instant-images directory inside /uploads to temporarily store images
$dir = INSTANT_IMG_UPLOAD_PATH;
if(!is_dir($dir)){
mkdir($dir);
}
// Is directory writeable, if not exit with an error
if (!is_writable(INSTANT_IMG_UPLOAD_PATH.'/')) {
$json = json_encode(
array(
'error' => true,
'msg' => __('Unable to save image, check your server permissions', 'instant-images')
)
);
echo $json;
die();
}
$data = json_decode($request->get_body()); // Get contents of request
$id = sanitize_key($data->id); // Image ID
$img = sanitize_text_field($data->image); // Image URL
$desc = sanitize_text_field($data->desc); // Image Description
$path = INSTANT_IMG_UPLOAD_PATH.'/'; // Temp Image Path
$url = INSTANT_IMG_UPLOAD_URL; // Full url path for image upload
// Create temp. image variable
$filename = $id.'.jpg';
$tmp_img = $path .''.$filename;
// Generate temp image from URL and store it on server for upload
$ch = curl_init(); // Lets use cURL
curl_setopt($ch, CURLOPT_URL, $img);
curl_setopt($ch, CURLOPT_HEADER, 0);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_BINARYTRANSFER,1);
$picture = curl_exec($ch);
curl_close($ch);
// Save file to server
$saved_file = file_put_contents($tmp_img, $picture);
// Was the temporary image saved?
if ($saved_file) {
if(file_exists($path.''.$filename)){
// Successfully saved
$response = array(
'error' => false,
'msg' => __('Image successfully uploaded to server.', 'instant-images'),
'path' => $path,
'filename' => $filename,
'desc' => $desc,
'url' => $url,
);
}else{
// File does NOT exist
$response = array(
'error' => true,
'msg' => __('Uploaded image not found, please ensure you have proper permissions set on the uploads directory.', 'instant-images')
);
}
} else {
// Error on save
$response = array(
'error' => true,
'msg' => __('Unable to download image to server, please check your server permissions.', 'instant-images')
);
}
wp_send_json($response);
}
}