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Method to get home URL #5

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Method to get home URL #5

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9208eb2
Method to get home URL
bryceadams Oct 25, 2016
b3b89ba
Handle different URL rel for API discovery
bryceadams Nov 11, 2016
41764cf
Handle home not being set
bryceadams Feb 27, 2017
71768f2
Check for white space in body and remove
bryceadams Apr 20, 2017
2724841
Check for discovering root failures
bryceadams May 2, 2017
6b49f35
Fix for multiple values on "Link" header
bryceadams Jun 13, 2017
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10 changes: 10 additions & 0 deletions lib/Site.php
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Original file line number Diff line number Diff line change
Expand Up @@ -58,6 +58,16 @@ public function getURL() {
return $this->data->url;
}

/**
* Get the home (URL) for a site.
* If none, return false.
*
* @return string|bool
*/
public function getHome() {
return isset($this->data->home) ? $this->data->home : false;
}

/**
* Get the index URL for the API.
*
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21 changes: 18 additions & 3 deletions lib/namespace.php
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Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,14 @@ function discover( $uri, $legacy = false ) {
if ( empty( $root ) ) {
return null;
}

// Step 1.5: If root matches URI, return default with wp-json.
$root = rtrim($root,"/");
$uri = rtrim($uri,"/");

if ($root == $uri) {
$root .= '/wp-json';
}

// Step 2: Ask the API for information.
return get_index_information( $root );
Expand All @@ -36,7 +44,8 @@ function discover_api_root( $uri, $legacy = false ) {
$response = Requests::head( $uri );
$response->throw_for_status();

$links = $response->headers->getValues( 'Link' );
$header_value = $response->headers->getValues( 'Link' );
$links = explode( ',', $header_value[0] );

// Find the correct link by relation
foreach ( $links as $link ) {
Expand All @@ -47,6 +56,7 @@ function discover_api_root( $uri, $legacy = false ) {
}
switch ( $attrs['rel'] ) {
case 'https://api.w.org/':
case 'shortlink':
break;

case 'https://github.com/WP-API/WP-API':
Expand Down Expand Up @@ -101,11 +111,16 @@ function parse_link_header( $link ) {
function get_index_information( $url ) {
$response = Requests::get( $url );
$response->throw_for_status();
$body = $response->body;

if (0 === strpos(bin2hex($body), 'efbbbf')) {
$body = substr($body, 3);
}

$index = json_decode( $response->body );
$index = json_decode( $body );
if ( empty( $index ) && json_last_error() !== JSON_ERROR_NONE ) {
throw new Exception( json_last_error_msg(), json_last_error() );
}

return new Site( $index, $url );
}
}