Merge pull request #105 from mediaformat/digest-header
add digest header
This commit is contained in:
commit
9250749b8a
3 changed files with 20 additions and 5 deletions
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@ -70,7 +70,7 @@ class Signature {
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\update_user_meta( $user_id, 'magic_sig_public_key', $detail['key'] );
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}
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public static function generate_signature( $user_id, $url, $date ) {
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public static function generate_signature( $user_id, $url, $date, $digest = null ) {
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$key = self::get_private_key( $user_id );
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$url_parts = \wp_parse_url( $url );
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@ -88,7 +88,11 @@ class Signature {
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$path .= '?' . $url_parts['query'];
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}
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if ( ! empty( $digest ) ) {
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$signed_string = "(request-target): post $path\nhost: $host\ndate: $date\ndigest: SHA-256=$digest";
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} else {
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$signed_string = "(request-target): post $path\nhost: $host\ndate: $date";
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}
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$signature = null;
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\openssl_sign( $signed_string, $signature, $key, \OPENSSL_ALGO_SHA256 );
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@ -96,10 +100,19 @@ class Signature {
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$key_id = \get_author_posts_url( $user_id ) . '#main-key';
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if ( ! empty( $digest ) ) {
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return \sprintf( 'keyId="%s",algorithm="rsa-sha256",headers="(request-target) host date digest",signature="%s"', $key_id, $signature );
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} else {
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return \sprintf( 'keyId="%s",algorithm="rsa-sha256",headers="(request-target) host date",signature="%s"', $key_id, $signature );
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}
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}
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public static function verify_signature( $headers, $signature ) {
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}
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public static function generate_digest( $body ) {
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$digest = \base64_encode( \hash( 'sha256', $body, true ) ); // phpcs:ignore
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return "$digest";
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}
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}
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@ -23,7 +23,8 @@ function get_context() {
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function safe_remote_post( $url, $body, $user_id ) {
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$date = \gmdate( 'D, d M Y H:i:s T' );
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$signature = \Activitypub\Signature::generate_signature( $user_id, $url, $date );
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$digest = \Activitypub\Signature::generate_digest( $body );
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$signature = \Activitypub\Signature::generate_signature( $user_id, $url, $date, $digest );
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$wp_version = \get_bloginfo( 'version' );
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$user_agent = \apply_filters( 'http_headers_useragent', 'WordPress/' . $wp_version . '; ' . \get_bloginfo( 'url' ) );
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@ -35,6 +36,7 @@ function safe_remote_post( $url, $body, $user_id ) {
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'headers' => array(
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'Accept' => 'application/activity+json',
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'Content-Type' => 'application/activity+json',
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'Digest' => "SHA-256=$digest",
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'Signature' => $signature,
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'Date' => $date,
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),
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@ -16,7 +16,7 @@ class Inbox {
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\add_action( 'rest_api_init', array( '\Activitypub\Rest\Inbox', 'register_routes' ) );
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\add_filter( 'rest_pre_serve_request', array( '\Activitypub\Rest\Inbox', 'serve_request' ), 11, 4 );
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\add_action( 'activitypub_inbox_follow', array( '\Activitypub\Rest\Inbox', 'handle_follow' ), 10, 2 );
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\add_action( 'activitypub_inbox_unfollow', array( '\Activitypub\Rest\Inbox', 'handle_unfollow' ), 10, 2 );
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\add_action( 'activitypub_inbox_undo', array( '\Activitypub\Rest\Inbox', 'handle_unfollow' ), 10, 2 );
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//\add_action( 'activitypub_inbox_like', array( '\Activitypub\Rest\Inbox', 'handle_reaction' ), 10, 2 );
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//\add_action( 'activitypub_inbox_announce', array( '\Activitypub\Rest\Inbox', 'handle_reaction' ), 10, 2 );
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\add_action( 'activitypub_inbox_create', array( '\Activitypub\Rest\Inbox', 'handle_create' ), 10, 2 );
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