micropub.php

<?php 

if ($_POST['content']){
    $content = $_POST['content'];
    $reply = $_POST['in-reply-to'];
    $summary = implode(' ', array_slice(explode(' ', $content), 0, 10));
    $alphanum = preg_replace("/[^A-Za-z0-9 ]/", '', $summary);
    $words = split(" ", $alphanum);
    $filename = join("-", $words);
    $date = subStr(date("c"), 0, 19)."Z";
    $title = $summary;
    $bin = $reply ? "reply" : "post";
    $response = $reply ? "<div>In response to <a class='u-in-reply-to' rel='in-reply-to' href='$reply'>" . $reply . "</a></div>" : "";
    $body = <<<META
+++
date = "$date"
title = "$title"

+++

<div class='e-content'>$content</div>

$response
META;
    $file = "/home/ubuntu/Dropbox/hugo/content/$bin/$filename.md";
    file_put_contents($file, $body);
}
$post_url = "http://tyler.cat/$bin/$filename";
if ($reply) {
    $curl = <<<CURL
curl $reply|grep rel=\"webmention\"|sed -re 's/.*href="(.*?)".*/\\1/'
CURL;
    error_log($curl);
    $webmention = trim(shell_exec($curl));
    error_log(print_r($webmention, true));
    //error_log($webmention);
    $curl = <<<CURL
curl $webmention -dtarget="$reply" -dsource="$post_url"
CURL;
    error_log($curl);
    $post = shell_exec($curl);
    error_log(print_r($post, true));
}
header("Location: $post_url");
http_response_code(201);