Initial commit

POC

.gitlab-ci.yml

+include: "https://git.autistici.org/noblogs/composer-publish/raw/master/common.yml"
\ No newline at end of file

composer.json

+{
+    "name": "noblogs/wp-mat",
+    "description": "git@git.autistici.org:noblogs/wp-mat.git",
+    "type": "wordpress-plugin",
+    "require": {
+        "composer/installers": "^1.9"
+    },
+    "authors": [
+        {
+            "name": "lucha",
+            "email": "lucha@paranoici.org"
+        }
+    ]
+}

wp-mat.php

+<?php
+/**
+ * Plugin Name: wp-mat
+ * Plugin URI: https://git.autistici.org/noblogs/wp-mat
+ * Description: Process uploaded files through MAT
+ * Version: 0.0.1
+ * Author: Autistici/Inventati
+ * Author URI: https://www.autistici.org/
+ * License: MIT
+ * License URI: http://opensource.org/licenses/MIT
+ */
+
+// Check if the mime type is one of those we want to clean up.
+function wp_mat_is_supported_mime_type($mimetype) {
+    if (substr($mimetype, 0, 6) === "image/") {
+        return true;
+    }
+    return false;
+}
+
+// Make a POST request to the MAT service with the uploaded file and
+// store the results into '$output_path'.
+function wp_mat_issue_request($path, $mimetype, $output_path) {
+    $upfile = new CURLFile($path, $mimetype, 'input');
+    
+    $curl = curl_init();
+    curl_setopt($curl, CURLOPT_URL, WP_MAT_ENDPOINT);
+    curl_setopt($curl, CURLOPT_USERAGENT, 'Wordpress');
+    curl_setopt($curl, CURLOPT_POST, true);
+    curl_setopt($curl, CURLOPT_POSTFIELDS, array(
+        "file" => $upfile,
+        "mime_type" => $mimetype,
+    ));
+
+    if (($fp = fopen($output_path, "wb")) === false) {
+        throw new Exception("fopen error for filename $output_path");
+    }
+    curl_setopt($curl, CURLOPT_FILE, $fp);
+    curl_setopt($curl, CURLOPT_BINARYTRANSFER, true);
+    
+    $ret = curl_exec($curl);
+
+    fclose($fp);
+    curl_close($curl);
+
+    return $ret;
+}
+
+function wp_mat_handle_upload_prefilter(&$file) {
+    if (isset($file['error'])) {
+        return $file;
+    }
+    if (!wp_mat_is_supported_mime_type($file['type'])) {
+        return $file;
+    }
+
+    $new_tmp_file = tempnam("", "wp_mat_");
+    if (wp_mat_issue_request($file['tmp_name'], $file['type'], $new_tmp_file)) {
+        unlink($file['tmp_name']);
+        return array(
+            "name" => $file['name'],
+            "type" => $file['type'],
+            "tmp_name" => $new_tmp_file,
+            "size" => filesize($new_tmp_file),
+        );
+    } else {
+        @unlink($new_tmp_file);
+    }
+
+    return $file;
+}
+
+add_filter('wp_handle_upload_prefilter', 'wp_mat_handle_upload_prefilter');