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Facebook scraper "OpenGraph" support; modules will need to set the required fields (type, image, url) as well as any desired optional or type specific fields. We will set the title during pagebuild.

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This commit is contained in:
redmatrix 2016-03-07 15:03:53 -08:00
parent 68d7ab6b55
commit d5db25808a
10 changed files with 58 additions and 8 deletions
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43
Zotlabs/Web/OpenGraph.php Normal file
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@ -0,0 +1,43 @@
<?php
namespace Zotlabs\Web;
class OpenGraph {
private $vars = null;
function __construct() {
$this->vars = array();
}
function set($property,$value) {
$this->vars[$property] = $value;
}
function check_required() {
if(
($this->vars)
&& array_key_exists('og:title',$this->vars)
&& array_key_exists('og:type', $this->vars)
&& array_key_exists('og:image',$this->vars)
&& array_key_exists('og:url', $this->vars)
)
return true;
return false;
}
function get() {
if($this->check_required()) {
$o = "\r\n";
foreach($this->vars as $k => $v) {
$o .= '<meta property="' . $k . '" content="' . urlencode($v) . '" />' . "\r\n" ;
}
return $o;
}
return '';
}
}

7
boot.php
View file

@ -753,6 +753,7 @@ class App {
private $baseurl;
private $OG;
/**
* App constructor.
@ -767,6 +768,7 @@ class App {
$this->query_string = '';
startup();
set_include_path(
@ -871,6 +873,9 @@ class App {
spl_autoload_register('ZotlabsAutoloader::loader');
$this->OG = new Zotlabs\Web\OpenGraph();
}
function get_baseurl($ssl = false) {
@ -1019,6 +1024,7 @@ class App {
if(! x($this->page,'title'))
$this->page['title'] = $this->config['system']['sitename'];
$this->OG->set('og:title',$this->page['title']);
/* put the head template at the beginning of page['htmlhead']
* since the code added by the modules frequently depends on it
@ -1031,6 +1037,7 @@ class App {
'$baseurl' => $this->get_baseurl(),
'$local_channel' => local_channel(),
'$generator' => Zotlabs\Project\System::get_platform_name() . ((Zotlabs\Project\System::get_project_version()) ? ' ' . Zotlabs\Project\System::get_project_version() : ''),
'$metas' => $this->OG->get(),
'$update_interval' => $interval,
'$icon' => head_get_icon(),
'$head_css' => head_get_css(),

2
version.inc
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@ -1 +1 @@
2016-03-06.1328H
2016-03-07.1329H

2
view/php/choklet.php
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@ -1,5 +1,5 @@
<!DOCTYPE html >
<html>
<html prefix="og: http://ogp.me/ns#">
<head>
<title><?php if(x($page,'title')) echo $page['title']; ?></title>
<script>var baseurl="<?php echo $a->get_baseurl(); ?>";</script>

2
view/php/default.php
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@ -1,5 +1,5 @@
<!DOCTYPE html >
<html>
<html prefix="og: http://ogp.me/ns#">
<head>
<title><?php if(x($page,'title')) echo $page['title'] ?></title>
<script>var baseurl="<?php echo $a->get_baseurl() ?>";</script>

2
view/php/full.php
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@ -1,5 +1,5 @@
<!DOCTYPE html>
<html>
<html prefix="og: http://ogp.me/ns#">
<head>
<title><?php if(x($page,'title')) echo $page['title'] ?></title>
<script>var baseurl="<?php echo $a->get_baseurl() ?>";</script>

2
view/php/minimal.php
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@ -1,5 +1,5 @@
<!DOCTYPE html >
<html>
<html prefix="og: http://ogp.me/ns#">
<head>
<title><?php if(x($page,'title')) echo $page['title'] ?></title>
<script>var baseurl="<?php echo $a->get_baseurl() ?>";</script>

2
view/php/redable.php
View file

@ -1,5 +1,5 @@
<!DOCTYPE html >
<html>
<html prefix="og: http://ogp.me/ns#">
<head>
<title><?php if(x($page,'title')) echo $page['title'] ?></title>
<script>var baseurl="<?php echo $a->get_baseurl() ?>";</script>

2
view/php/zen.php
View file

@ -1,5 +1,5 @@
<!DOCTYPE html>
<html>
<html prefix="og: http://ogp.me/ns#">
<head>
<title><?php if(x($page,'title')) echo $page['title'] ?></title>
<meta name="viewport" content="width=device-width, height=device-height, initial-scale=1">

2
view/tpl/head.tpl
View file

@ -2,7 +2,7 @@
<base href="{{$baseurl}}/" />
<meta name="viewport" content="width=device-width, height=device-height, initial-scale=1, user-scalable={{$user_scalable}}" />
<meta name="generator" content="{{$generator}}" />
{{$metas}}
<!--[if IE]>
<script src="{{$baseurl}}/library/html5.js"></script>
<![endif]-->