render('layout.php', array_merge($data, array('page' => $page)));
};
function partial($template, $data=array(), $debug=false) {
global $app;
if($debug) {
$tpl = new Savant3(\Slim\Extras\Views\Savant::$savantOptions);
echo '' . $tpl->fetch($template . '.php') . '
';
return '';
}
ob_start();
$tpl = new Savant3(\Slim\Extras\Views\Savant::$savantOptions);
foreach($data as $k=>$v) {
$tpl->{$k} = $v;
}
$tpl->display($template . '.php');
return ob_get_clean();
}
function js_bookmarklet($partial, $context) {
return str_replace('+','%20',urlencode(str_replace(array("\n"),array(''),partial($partial, $context))));
}
function session($key) {
if(array_key_exists($key, $_SESSION))
return $_SESSION[$key];
else
return null;
}
function k($a, $k, $default=null) {
if(is_array($k)) {
$result = true;
foreach($k as $key) {
$result = $result && array_key_exists($key, $a);
}
return $result;
} else {
if(is_array($a) && array_key_exists($k, $a) && $a[$k])
return $a[$k];
elseif(is_object($a) && property_exists($a, $k) && $a->$k)
return $a->$k;
else
return $default;
}
}
function display_url($url) {
$parts = parse_url($url);
if(isset($parts['path']) && $parts['path'] != '' && $parts['path'] != '/') {
return preg_replace('/^https?:\/\//','', $url);
} else {
return $parts['host'];
}
}
if(!function_exists('http_build_url')) {
function http_build_url($parsed_url) {
$scheme = isset($parsed_url['scheme']) ? $parsed_url['scheme'] . '://' : '';
$host = isset($parsed_url['host']) ? $parsed_url['host'] : '';
$port = isset($parsed_url['port']) ? ':' . $parsed_url['port'] : '';
$user = isset($parsed_url['user']) ? $parsed_url['user'] : '';
$pass = isset($parsed_url['pass']) ? ':' . $parsed_url['pass'] : '';
$pass = ($user || $pass) ? "$pass@" : '';
$path = isset($parsed_url['path']) ? $parsed_url['path'] : '';
$query = isset($parsed_url['query']) ? '?' . $parsed_url['query'] : '';
$fragment = isset($parsed_url['fragment']) ? '#' . $parsed_url['fragment'] : '';
return "$scheme$user$pass$host$port$path$query$fragment";
}
}
function micropub_post_for_user(&$user, $params, $file = NULL, $json = false) {
// Now send to the micropub endpoint
$r = micropub_post($user->micropub_endpoint, $params, $user->micropub_access_token, $file, $json);
$user->last_micropub_response = substr(json_encode($r), 0, 1024);
$user->last_micropub_response_date = date('Y-m-d H:i:s');
// Check the response and look for a "Location" header containing the URL
if($r['response'] && ($r['code'] == 201 || $r['code'] == 202)
&& isset($r['headers']['Location'])) {
$r['location'] = $r['headers']['Location'][0];
$user->micropub_success = 1;
} else {
$r['location'] = false;
}
$user->save();
return $r;
}
function micropub_media_post_for_user(&$user, $file) {
// Send to the media endpoint
$r = micropub_post($user->micropub_media_endpoint, [], $user->micropub_access_token, $file, true, 'file');
// Check the response and look for a "Location" header containing the URL
if($r['response'] && preg_match('/Location: (.+)/', $r['response'], $match)) {
$r['location'] = trim($match[1]);
} else {
$r['location'] = false;
}
return $r;
}
function micropub_post($endpoint, $params, $access_token, $file = NULL, $json = false, $file_prop = 'photo') {
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $endpoint);
curl_setopt($ch, CURLOPT_POST, true);
if($file) {
if(is_string($file)) {
$file_path = $file;
$file_content = file_get_contents($file_path);
$filename = 'file';
} else {
$file_path = $file['tmp_name'];
$file_content = file_get_contents($file_path);
$filename = $file['name'];
}
} else {
$file_path = false;
}
// Send the access token in both the header and post body to support more clients
// https://github.com/aaronpk/Quill/issues/4
// http://indiewebcamp.com/irc/2015-02-14#t1423955287064
$httpheaders = array('Authorization: Bearer ' . $access_token);
if(!$json) {
$params = array_merge(array(
'h' => 'entry',
'access_token' => $access_token
), $params);
}
if(!$file_path) {
$httpheaders[] = 'Accept: application/json';
if($json) {
// $params['access_token'] = $access_token;
$httpheaders[] = 'Content-type: application/json';
$post = json_encode($params);
} else {
$post = http_build_query($params);
$post = preg_replace('/%5B[0-9]+%5D/', '%5B%5D', $post); // change [0] to []
}
} else {
$finfo = finfo_open(FILEINFO_MIME_TYPE);
$mimetype = finfo_file($finfo, $file_path);
$multipart = new p3k\Multipart();
$multipart->addArray($params);
$multipart->addFile($file_prop, $filename, $mimetype, $file_content);
$post = $multipart->data();
$httpheaders[] = 'Content-Type: ' . $multipart->contentType();
}
curl_setopt($ch, CURLOPT_HTTPHEADER, $httpheaders);
curl_setopt($ch, CURLOPT_POSTFIELDS, $post);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_HEADER, true);
curl_setopt($ch, CURLINFO_HEADER_OUT, true);
$response = curl_exec($ch);
$error = curl_error($ch);
$sent_headers = curl_getinfo($ch, CURLINFO_HEADER_OUT);
$header_size = curl_getinfo($ch, CURLINFO_HEADER_SIZE);
$header_str = trim(substr($response, 0, $header_size));
$request = $sent_headers . (is_string($post) ? $post : http_build_query($post));
return array(
'request' => $request,
'response' => $response,
'code' => curl_getinfo($ch, CURLINFO_HTTP_CODE),
'headers' => parse_headers($header_str),
'error' => $error,
'curlinfo' => curl_getinfo($ch)
);
}
function micropub_get($endpoint, $params, $access_token) {
$url = parse_url($endpoint);
if(!k($url, 'query')) {
$url['query'] = http_build_query($params);
} else {
$url['query'] .= '&' . http_build_query($params);
}
$endpoint = http_build_url($url);
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $endpoint);
curl_setopt($ch, CURLOPT_HTTPHEADER, array(
'Authorization: Bearer ' . $access_token,
'Accept: application/json'
));
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$response = curl_exec($ch);
$data = array();
if($response) {
$data = json_decode($response, true);
}
$error = curl_error($ch);
return array(
'response' => $response,
'data' => $data,
'error' => $error,
'curlinfo' => curl_getinfo($ch)
);
}
function revoke_micropub_token($access_token, $token_endpoint) {
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $token_endpoint);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query([
'action' => 'revoke',
'token' => $access_token,
]));
curl_exec($ch);
}
function parse_headers($headers) {
$retVal = array();
$fields = explode("\r\n", preg_replace('/\x0D\x0A[\x09\x20]+/', ' ', $headers));
foreach($fields as $field) {
if(preg_match('/([^:]+): (.+)/m', $field, $match)) {
$match[1] = preg_replace_callback('/(?<=^|[\x09\x20\x2D])./', function($m) {
return strtoupper($m[0]);
}, strtolower(trim($match[1])));
// If there's already a value set for the header name being returned, turn it into an array and add the new value
$match[1] = preg_replace_callback('/(?<=^|[\x09\x20\x2D])./', function($m) {
return strtoupper($m[0]);
}, strtolower(trim($match[1])));
if(isset($retVal[$match[1]])) {
$retVal[$match[1]][] = trim($match[2]);
} else {
$retVal[$match[1]] = [trim($match[2])];
}
}
}
return $retVal;
}
function get_micropub_config(&$user, $query=[]) {
$targets = [];
$r = micropub_get($user->micropub_endpoint, $query, $user->micropub_access_token);
if($r['data'] && is_array($r['data']) && array_key_exists('syndicate-to', $r['data'])) {
if(is_array($r['data']['syndicate-to'])) {
$data = $r['data']['syndicate-to'];
} else {
$data = [];
}
foreach($data as $t) {
if(is_array($t) && array_key_exists('service', $t) && array_key_exists('photo', $t['service'])) {
$icon = $t['service']['photo'];
} else {
$icon = false;
}
if(is_array($t) && array_key_exists('uid', $t) && array_key_exists('name', $t)) {
$targets[] = [
'target' => $t['name'],
'uid' => $t['uid'],
'favicon' => $icon
];
}
}
}
// Reset the values so they can be overwritten
$user->syndication_targets = '';
$user->supported_post_types = '';
$user->micropub_media_endpoint = '';
if(count($targets))
$user->syndication_targets = json_encode($targets);
$media_endpoint = false;
$supported_post_types = false;
if($r['data'] && is_array($r['data'])) {
if(isset($r['data']['media-endpoint'])) {
$media_endpoint = $r['data']['media-endpoint'];
$user->micropub_media_endpoint = $media_endpoint;
}
if(isset($r['data']['post-types'])) {
$supported_post_types = json_encode($r['data']['post-types']);
$user->supported_post_types = $supported_post_types;
}
}
$user->save();
return [
'targets' => $targets,
'response' => $r
];
}
function supports_post_type(&$user, $type) {
if(!$user->supported_post_types)
return true;
$types = json_decode($user->supported_post_types, true);
if(!is_array($types))
return true; // syntax error in response, fail safely
foreach($types as $t) {
if(is_array($t) && isset($t['type']) && $t['type'] == $type) {
return true;
}
}
return false;
}
function get_micropub_source(&$user, $url, $properties) {
$r = micropub_get($user->micropub_endpoint, [
'q' => 'source',
'url' => $url,
'properties' => $properties
], $user->micropub_access_token);
if(isset($r['data']) && isset($r['data']['properties'])) {
return $r['data']['properties'];
} else {
return false;
}
}
function static_map($latitude, $longitude, $height=180, $width=700, $zoom=14) {
return 'https://atlas.p3k.io/map/img?marker[]=lat:' . $latitude . ';lng:' . $longitude . ';icon:small-blue-cutout&basemap=gray&width=' . $width . '&height=' . $height . '&zoom=' . $zoom;
}
function relative_time($date) {
static $rel;
if(!isset($rel)) {
$config = array(
'language' => '\RelativeTime\Languages\English',
'separator' => ', ',
'suffix' => true,
'truncate' => 1,
);
$rel = new \RelativeTime\RelativeTime($config);
}
return $rel->timeAgo($date);
}
function instagram_client() {
return new Andreyco\Instagram\Client(array(
'apiKey' => Config::$instagramClientID,
'apiSecret' => Config::$instagramClientSecret,
'apiCallback' => Config::$base_url . 'auth/instagram/callback',
'scope' => array('basic','likes'),
));
}
function validate_photo(&$file) {
try {
if ($_SERVER['REQUEST_METHOD'] == 'POST' && count($_POST) < 1 ) {
throw new RuntimeException('File upload size exceeded.');
}
// Undefined | Multiple Files | $_FILES Corruption Attack
// If this request falls under any of them, treat it invalid.
if (
!isset($file['error']) ||
is_array($file['error'])
) {
throw new RuntimeException('Invalid parameters.');
}
// Check $file['error'] value.
switch ($file['error']) {
case UPLOAD_ERR_OK:
break;
case UPLOAD_ERR_NO_FILE:
throw new RuntimeException('No file sent.');
case UPLOAD_ERR_INI_SIZE:
case UPLOAD_ERR_FORM_SIZE:
throw new RuntimeException('Exceeded filesize limit.');
default:
throw new RuntimeException('Unknown errors.');
}
// You should also check filesize here.
if ($file['size'] > 4000000) {
throw new RuntimeException('Exceeded filesize limit.');
}
// DO NOT TRUST $file['mime'] VALUE !!
// Check MIME Type by yourself.
$finfo = new finfo(FILEINFO_MIME_TYPE);
if (false === $ext = array_search(
$finfo->file($file['tmp_name']),
array(
'jpg' => 'image/jpeg',
'png' => 'image/png',
'gif' => 'image/gif',
),
true
)) {
throw new RuntimeException('Invalid file format.');
}
} catch (RuntimeException $e) {
return $e->getMessage();
}
}
// Reads the exif rotation data and actually rotates the photo.
// Only does anything if the exif library is loaded, otherwise is a noop.
function correct_photo_rotation($filename) {
if(class_exists('IMagick')) {
try {
$image = new IMagick($filename);
$orientation = $image->getImageOrientation();
switch($orientation) {
case IMagick::ORIENTATION_BOTTOMRIGHT:
$image->rotateImage(new ImagickPixel('#00000000'), 180);
break;
case IMagick::ORIENTATION_RIGHTTOP:
$image->rotateImage(new ImagickPixel('#00000000'), 90);
break;
case IMagick::ORIENTATION_LEFTBOTTOM:
$image->rotateImage(new ImagickPixel('#00000000'), -90);
break;
}
$image->setImageOrientation(IMagick::ORIENTATION_TOPLEFT);
$image->writeImage($filename);
} catch(Exception $e){}
}
}
function sanitize_editor_html($html) {
#error_log($html."\n");
$config = HTMLPurifier_Config::createDefault();
$config->autoFinalize = false;
$config->set('Cache.DefinitionImpl', null);
$config->set('HTML.AllowedElements', [
'a',
'abbr',
'b',
'br',
'code',
'del',
'em',
'i',
'img',
'q',
'strike',
'strong',
'blockquote',
'pre',
'p',
'h1',
'h2',
'h3',
'h4',
'h5',
'h6',
'ul',
'li',
'ol',
'figcaption',
'figure'
]);
$def = $config->getHTMLDefinition(true);
// http://developers.whatwg.org/grouping-content.html
$def->addElement('figure', 'Block', 'Optional: (figcaption, Flow) | (Flow, figcaption) | Flow', 'Common');
$def->addElement('figcaption', 'Inline', 'Flow', 'Common');
// Allow data: URIs
$config->set('URI.AllowedSchemes', array('data' => true, 'http' => true, 'https' => true));
// Strip all classes from elements
$config->set('Attr.AllowedClasses', '');
// $def = $config->getHTMLDefinition(true);
$purifier = new HTMLPurifier($config);
$sanitized = $purifier->purify($html);
$sanitized = str_replace("
","\r",$sanitized);
# Remove empty paragraphs
$sanitized = str_replace('
','',$sanitized);
$sanitized = str_replace('','',$sanitized);
$indenter = new \Gajus\Dindent\Indenter([
'indentation_character' => ' '
]);
$indenter->setElementType('h1', \Gajus\Dindent\Indenter::ELEMENT_TYPE_INLINE);
$indenter->setElementType('h2', \Gajus\Dindent\Indenter::ELEMENT_TYPE_INLINE);
$indenter->setElementType('h3', \Gajus\Dindent\Indenter::ELEMENT_TYPE_INLINE);
$indenter->setElementType('h4', \Gajus\Dindent\Indenter::ELEMENT_TYPE_INLINE);
$indenter->setElementType('h5', \Gajus\Dindent\Indenter::ELEMENT_TYPE_INLINE);
$indenter->setElementType('h6', \Gajus\Dindent\Indenter::ELEMENT_TYPE_INLINE);
$sanitized = $indenter->indent($sanitized);
#error_log($sanitized."\n");
return $sanitized;
}