nasg/templates/Micropub.j2.php

114 lines
2.7 KiB
PHP

<?php
function _syslog($msg) {
$trace = debug_backtrace();
$caller = $trace[1];
$parent = $caller['function'];
if (isset($caller['class']))
$parent = $caller['class'] . '::' . $parent;
return error_log( "{$parent}: {$msg}" );
}
function unauthorized($text) {
header('HTTP/1.1 401 Unauthorized');
die($text);
}
function badrequest($text) {
header('HTTP/1.1 400 Bad Request');
die($text);
}
function httpok($text) {
header('HTTP/1.1 200 OK');
echo($text);
exit(0);
}
function accepted() {
header('HTTP/1.1 202 Accepted');
#header('Location: {{ site.url }}');
exit(0);
}
if (!empty($_GET)) {
if ( ! isset($_GET['q']) ) {
badrequest('please POST a micropub request');
}
if ( isset($_GET['q']['config']) ) {
httpok(json_encode(array('tags' => array())));
}
if(isset($_GET['q']['syndicate-to'])) {
httpok(json_encode(array('syndicate-to' => array())));
}
badrequest('please POST a micropub request');
}
$raw = file_get_contents("php://input");
print_r($raw);
try {
$decoded = json_decode($raw, true);
} catch (Exception $e) {
_syslog('failed to decode JSON, trying decoding form data');
try {
parse_str($raw, $decoded);
}
catch (Exception $e) {
_syslog('failed to decoding form data as well');
badrequest('invalid POST contents');
}
}
print_r($decoded);
$token = '';
if ( isset($decoded['access_token']) ) {
$token = $decoded['access_token'];
unset($decoded['access_token']);
}
elseif ( isset($_SERVER['HTTP_AUTHORIZATION']) ) {
$token = trim(str_replace('Bearer', '', $_SERVER['HTTP_AUTHORIZATION']));
}
if (empty($token)) {
unauthorized('missing token');
}
$request = curl_init();
curl_setopt($request, CURLOPT_URL, 'https://tokens.indieauth.com/token');
curl_setopt($request, CURLOPT_HTTPHEADER, array(
'Content-Type: application/x-www-form-urlencoded',
sprintf('Authorization: Bearer %s', $token)
));
curl_setopt($request, CURLOPT_RETURNTRANSFER, 1);
$response = curl_exec($request);
curl_close($request);
parse_str(urldecode($response), $verification);
if (! isset($verification['scope']) ) {
unauthorized('missing "scope"');
}
if (! isset($verification['me']) ) {
unauthorized('missing "me"');
}
if ( ! stristr($verification['me'], '{{ site.url }}') ) {
unauthorized('wrong domain');
}
if ( ! stristr($verification['scope'], 'create') ) {
unauthorized('invalid scope');
}
$user = posix_getpwuid(posix_getuid());
$now = time();
$decoded['mtime'] = $now;
$fname = sprintf(
'%s/%s/%s.json',
$user['dir'],
'{{ paths.remotequeue }}',
microtime(true)
);
file_put_contents($fname, json_encode($decoded, JSON_PRETTY_PRINT));
accepted();