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Embeds: Add oEmbed provider support.

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For the past 6 years, WordPress has operated as an oEmbed consumer, allowing users to easily embed content from other sites. By adding oEmbed provider support, this allows any oEmbed consumer to embed posts from WordPress sites.

In addition to creating an oEmbed provider, WordPress' oEmbed consumer code has been enhanced to work with any site that provides oEmbed data (as long as it matches some strict security rules), and provides a preview from within the post editor.

For security, embeds appear within a sandboxed iframe - the iframe content is a template that can be styled or replaced entirely by the theme on the provider site.

Props swissspidy, pento, melchoyce, netweb, pfefferle, johnbillion, extendwings, davidbinda, danielbachhuber, SergeyBiryukov, afercia

Fixes #32522.



git-svn-id: https://develop.svn.wordpress.org/trunk@34903 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Gary Pendergast
2015-10-07 10:35:18 +00:00
parent cce73768b3
commit 43bd3d46c9
26 changed files with 2627 additions and 8 deletions
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src/wp-includes/class-wp-rewrite.php
+21 -3
View File
@@ -861,6 +861,7 @@ class WP_Rewrite {
$trackbackregex = 'trackback/?$';
$pageregex = $this->pagination_base . '/?([0-9]{1,})/?$';
$commentregex = $this->comments_pagination_base . '-([0-9]{1,})/?$';
$embedregex = 'embed/?$';
//build up an array of endpoint regexes to append => queries to append
if ( $endpoints ) {
@@ -884,6 +885,8 @@ class WP_Rewrite {
$index = $this->index; //probably 'index.php'
$feedindex = $index;
$trackbackindex = $index;
$embedindex = $index;
//build a list from the rewritecode and queryreplace arrays, that will look something like
//tagname=$matches[i] where i is the current $i
$queries = array();
@@ -1029,8 +1032,14 @@ class WP_Rewrite {
//create query and regex for trackback
$trackbackmatch = $match . $trackbackregex;
$trackbackquery = $trackbackindex . '?' . $query . '&tb=1';
// Create query and regex for embeds.
$embedmatch = $match . $embedregex;
$embedquery = $embedindex . '?' . $query . '&embed=true';
//trim slashes from the end of the regex for this dir
$match = rtrim($match, '/');
//get rid of brackets
$submatchbase = str_replace( array('(', ')'), '', $match);
@@ -1040,6 +1049,7 @@ class WP_Rewrite {
$sub1feed = $sub1 . $feedregex; //and <permalink>/feed/(atom|...)
$sub1feed2 = $sub1 . $feedregex2; //and <permalink>/(feed|atom...)
$sub1comment = $sub1 . $commentregex; //and <permalink>/comment-page-xx
$sub1embed = $sub1 . $embedregex; //and <permalink>/embed/...
//add another rule to match attachments in the explicit form:
//<permalink>/attachment/some-text
@@ -1048,12 +1058,14 @@ class WP_Rewrite {
$sub2feed = $sub2 . $feedregex; //feeds, <permalink>/attachment/feed/(atom|...)
$sub2feed2 = $sub2 . $feedregex2; //and feeds again on to this <permalink>/attachment/(feed|atom...)
$sub2comment = $sub2 . $commentregex; //and <permalink>/comment-page-xx
$sub2embed = $sub2 . $embedregex; //and <permalink>/embed/...
//create queries for these extra tag-ons we've just dealt with
$subquery = $index . '?attachment=' . $this->preg_index(1);
$subtbquery = $subquery . '&tb=1';
$subfeedquery = $subquery . '&feed=' . $this->preg_index(2);
$subcommentquery = $subquery . '&cpage=' . $this->preg_index(2);
$subembedquery = $subquery . '&embed=true';
//do endpoints for attachments
if ( !empty($endpoints) ) {
@@ -1092,10 +1104,16 @@ class WP_Rewrite {
//add trackback
$rewrite = array_merge(array($trackbackmatch => $trackbackquery), $rewrite);
// add embed
$rewrite = array_merge( array( $embedmatch => $embedquery ), $rewrite );
//add regexes/queries for attachments, attachment trackbacks and so on
if ( ! $page ) //require <permalink>/attachment/stuff form for pages because of confusion with subpages
$rewrite = array_merge($rewrite, array($sub1 => $subquery, $sub1tb => $subtbquery, $sub1feed => $subfeedquery, $sub1feed2 => $subfeedquery, $sub1comment => $subcommentquery));
$rewrite = array_merge(array($sub2 => $subquery, $sub2tb => $subtbquery, $sub2feed => $subfeedquery, $sub2feed2 => $subfeedquery, $sub2comment => $subcommentquery), $rewrite);
if ( ! $page ) {
//require <permalink>/attachment/stuff form for pages because of confusion with subpages
$rewrite = array_merge( $rewrite, array($sub1 => $subquery, $sub1tb => $subtbquery, $sub1feed => $subfeedquery, $sub1feed2 => $subfeedquery, $sub1comment => $subcommentquery, $sub1embed => $subembedquery ) );
}
$rewrite = array_merge( array( $sub2 => $subquery, $sub2tb => $subtbquery, $sub2feed => $subfeedquery, $sub2feed2 => $subfeedquery, $sub2comment => $subcommentquery, $sub2embed => $subembedquery ), $rewrite );
}
} //if($num_toks)
//add the rules for this dir to the accumulating $post_rewrite