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Add unit tests for oembed autodiscover and thumbnail detection

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This commit is contained in:
Damian Mooyman 2016-04-15 13:55:01 +12:00
parent be2769244f
commit 6f548a0ed0
2 changed files with 108 additions and 13 deletions
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57
oembed/Oembed.php
View File

@ -101,27 +101,37 @@ class Oembed {
* @param $url Human readable URL.
* @returns string/bool Oembed URL, or false.
*/
protected static function autodiscover_from_url($url) {
protected static function autodiscover_from_url($url)
{
// Fetch the URL (cache for a week by default)
$service = new RestfulService($url, 60*60*24*7);
$service = new RestfulService($url, 60 * 60 * 24 * 7);
$body = $service->request();
if(!$body || $body->isError()) {
if (!$body || $body->isError()) {
return false;
}
$body = $body->getBody();
return static::autodiscover_from_body($body);
}
/**
* Given a response body, determine if there is an autodiscover url
*
* @param string $body
* @return bool|string
*/
public static function autodiscover_from_body($body) {
// Look within the body for an oembed link.
$pcreOmbed = '#<link[^>]+?(?:href=[\'"](.+?)[\'"][^>]+?)'
$pcreOmbed = '#<link[^>]+?(?:href=[\'"](?<first>[^\'"]+?)[\'"][^>]+?)'
. '?type=["\']application/json\+oembed["\']'
. '(?:[^>]+?href=[\'"](.+?)[\'"])?#';
. '(?:[^>]+?href=[\'"](?<second>[^\'"]+?)[\'"])?#';
if(preg_match_all($pcreOmbed, $body, $matches, PREG_SET_ORDER)) {
$match = $matches[0];
if(!empty($match[2])) {
return html_entity_decode($match[2]);
if(!empty($match['second'])) {
return html_entity_decode($match['second']);
}
if(!empty($match[1])) {
return html_entity_decode($match[1]);
if(!empty($match['first'])) {
return html_entity_decode($match['first']);
}
}
return false;
@ -297,11 +307,11 @@ class Oembed_Result extends ViewableData {
// Convert all keys to lowercase
$data = array_change_key_case($data, CASE_LOWER);
if( isset($data['provider_name']) && $data['provider_name'] == "Facebook" ) {
$id = preg_replace("/.*\/(\d+?)\/?($|\?.*)/", "$1", $data["url"]);
$data['thumbnail_url'] = "https://graph.facebook.com/{$id}/picture";
// Check if we can guess thumbnail
if(empty($data['thumbnail_url']) && $thumbnail = $this->findThumbnail($data)) {
$data['thumbnail_url'] = $thumbnail;
}
// Purge everything if the type does not match.
if($this->type && $this->type != $data['type']) {
$data = array();
@ -310,6 +320,27 @@ class Oembed_Result extends ViewableData {
$this->data = $data;
}
/**
* Find thumbnail if omitted from data
*
* @param array $data
* @return string
*/
public function findThumbnail($data) {
if(!empty($data['thumbnail_url'])) {
return $data['thumbnail_url'];
}
// Hack in facebook graph thumbnail
if(!empty($data['provider_name']) && $data['provider_name'] === 'Facebook') {
$id = preg_replace("/.*\\/(\\d+?)\\/?($|\\?.*)/", "$1", $data["url"]);
return "https://graph.facebook.com/{$id}/picture";
}
// no thumbnail found
return null;
}
/**
* Wrap the check for looking into Oembed JSON within $this->data.
*/

64
tests/oembed/OembedTest.php
View File

@ -38,6 +38,70 @@ class OembedTest extends SapphireTest {
$this->assertEquals($query['maxwidth'], 'bar', 'Magically creates maxwidth option');
}
public function testAutodiscover() {
// Test href after type tag
$body = <<<EOS
<title id="pageTitle">Some content</title>
<link rel="search" type="application/opensearchdescription+xml" href="/osd.xml" title="Facebook" />
<link
rel="alternate" type="application/json+oembed"
href="https://www.facebook.com/plugins/post/oembed.json/?url=https%3A%2F%2Fwww.facebook.com%2Fsomeusername%2Fposts%2F10209305859558135"
title="My post"
/>
EOS;
$this->assertEquals(
'https://www.facebook.com/plugins/post/oembed.json/?url=https%3A%2F%2Fwww.facebook.com%2Fsomeusername%2Fposts%2F10209305859558135',
Oembed::autodiscover_from_body($body)
);
// Test href before the type tag
$body2 = <<<EOS
<title id="pageTitle">Some content</title>
<link rel="search" type="application/opensearchdescription+xml" href="/osd.xml" title="Facebook" />
<link
href="https://www.facebook.com/plugins/post/oembed.json/?url=https%3A%2F%2Fwww.facebook.com%2Fsomeusername%2Fposts%2F10209305859558135"
rel="alternate" type="application/json+oembed"
title="My post"
/>
EOS;
$this->assertEquals(
'https://www.facebook.com/plugins/post/oembed.json/?url=https%3A%2F%2Fwww.facebook.com%2Fsomeusername%2Fposts%2F10209305859558135',
Oembed::autodiscover_from_body($body2)
);
}
public function testFindThumbnail()
{
$data = array(
"author_name"=> "Some User",
"author_url"=> null,
"provider_url" => "https://www.facebook.com",
"provider_name" => "Facebook",
"success" => true,
"height" => null,
"html" => "<div />",
"type" => "rich",
"version" => "1.0",
"url" => "https://www.facebook.com/someuser/posts/6465132161654421654",
"width" => 552
);
// Test facebook url
$result = new Oembed_Result('https://www.facebook.com/someuser/posts/6465132161654421654');
$this->assertEquals(
"https://graph.facebook.com/6465132161654421654/picture",
$result->findThumbnail($data)
);
// Test respect existing url
$data['thumbnail_url'] = 'http://www.silverstripe.com/picture.jpg';
$this->assertEquals(
"http://www.silverstripe.com/picture.jpg",
$result->findThumbnail($data)
);
}
public function testRequestProtocolReflectedInGetOembedFromUrl() {
Config::inst()->update('Oembed', 'providers', array(
'http://*.silverstripe.com/watch*'=> array(