Event-Federation/wordpress-activitypub
Event-Federation/wordpress-activitypub
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some phpdoc

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This commit is contained in:
Matthias Pfefferle 2023-06-01 11:05:47 +02:00
parent b834666eda
commit 00dd5d2c52
1 changed files with 26 additions and 19 deletions
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41
includes/class-signature.php
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@ -247,9 +247,9 @@ class Signature {
/**
* Get public key from key_id
*
* @param string $key_id
* @param string $key_id The URL to the public key.
*
* @return string $publicKeyPem
* @return string The public key.
*/
public static function get_remote_key( $key_id ) { // phpcs:ignore
$actor = \Activitypub\get_remote_metadata_by_actor( strtok( strip_fragment_from_url( $key_id ), '?' ) ); // phpcs:ignore
@ -267,7 +267,7 @@ class Signature {
*
* @param array $signature_block
*
* @return string algorithm
* @return string The signature algorithm.
*/
public static function get_signature_algorithm( $signature_block ) {
if ( $signature_block['algorithm'] ) {
@ -284,39 +284,39 @@ class Signature {
/**
* Parses the Signature header
*
* @param array $header
* @param array $header The signature header.
*
* @return array signature parts
*/
public static function parse_signature_header( $header ) {
$ret = array();
$parsed_header = array();
$matches = array();
$h_string = \implode( ',', (array) $header[0] );
if ( \preg_match( '/keyId="(.*?)"/ism', $h_string, $matches ) ) {
$ret['keyId'] = $matches[1];
$parsed_header['keyId'] = $matches[1];
}
if ( \preg_match( '/created=([0-9]*)/ism', $h_string, $matches ) ) {
$ret['(created)'] = $matches[1];
$parsed_header['(created)'] = $matches[1];
}
if ( \preg_match( '/expires=([0-9]*)/ism', $h_string, $matches ) ) {
$ret['(expires)'] = $matches[1];
$parsed_header['(expires)'] = $matches[1];
}
if ( \preg_match( '/algorithm="(.*?)"/ism', $h_string, $matches ) ) {
$ret['algorithm'] = $matches[1];
$parsed_header['algorithm'] = $matches[1];
}
if ( \preg_match( '/headers="(.*?)"/ism', $h_string, $matches ) ) {
$ret['headers'] = \explode( ' ', $matches[1] );
$parsed_header['headers'] = \explode( ' ', $matches[1] );
}
if ( \preg_match( '/signature="(.*?)"/ism', $h_string, $matches ) ) {
$ret['signature'] = \base64_decode( preg_replace( '/\s+/', '', $matches[1] ) ); // phpcs:ignore
$parsed_header['signature'] = \base64_decode( preg_replace( '/\s+/', '', $matches[1] ) ); // phpcs:ignore
}
if ( ( $ret['signature'] ) && ( $ret['algorithm'] ) && ( ! $ret['headers'] ) ) {
$ret['headers'] = array( 'date' );
if ( ( $parsed_header['signature'] ) && ( $parsed_header['algorithm'] ) && ( ! $parsed_header['headers'] ) ) {
$parsed_header['headers'] = array( 'date' );
}
return $ret;
return $parsed_header;
}
/**
@ -326,7 +326,7 @@ class Signature {
* @param array $signature_block (pseudo-headers)
* @param array $headers (http headers)
*
* @return signed headers for comparison
* @return string signed headers for comparison
*/
public static function get_signed_data( $signed_headers, $signature_block, $headers ) {
$signed_data = '';
@ -377,6 +377,13 @@ class Signature {
return \rtrim( $signed_data, "\n" );
}
/**
* Generates the digest for a HTTP Request
*
* @param string $body The body of the request.
*
* @return string The digest.
*/
public static function generate_digest( $body ) {
$digest = \base64_encode( \hash( 'sha256', $body, true ) ); // phpcs:ignore
return "SHA-256=$digest";
@ -386,9 +393,9 @@ class Signature {
* Formats the $_SERVER to resemble the WP_REST_REQUEST array,
* for use with verify_http_signature()
*
* @param array $_SERVER
* @param array $_SERVER The $_SERVER array.
*
* @return array $request
* @return array $request The formatted request array.
*/
public static function format_server_request( $server ) {
$request = array();