59 lines
2.1 KiB
PHP
59 lines
2.1 KiB
PHP
<?php
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class Test_Activitypub_Rest_Post_Signature_Verification extends WP_UnitTestCase {
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public function test_activity_signature() {
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$pre_http_request = new MockAction();
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add_filter( 'pre_http_request', array( $pre_http_request, 'filter' ), 10, 3 );
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// Activity for generate_digest
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$post = \wp_insert_post(
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array(
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'post_author' => 1,
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'post_content' => 'hello world',
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)
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);
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$remote_actor = \get_author_posts_url( 2 );
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$activitypub_post = new \Activitypub\Model\Post( $post );
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$activitypub_activity = new Activitypub\Model\Activity( 'Create' );
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$activitypub_activity->from_post( $activitypub_post );
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$activitypub_activity->add_cc( $remote_actor );
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$activity = $activitypub_activity->to_json();
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// generate_digest & generate_signature
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$digest = Activitypub\Signature::generate_digest( $activity );
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$date = gmdate( 'D, d M Y H:i:s T' );
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$signature = Activitypub\Signature::generate_signature( 1, 'POST', $remote_actor, $date, $digest );
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$this->assertRegExp( '/keyId="http:\/\/example\.org\/\?author=1#main-key",algorithm="rsa-sha256",headers="\(request-target\) host date digest",signature="[^"]*"/', $signature );
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// Signed headers
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$url_parts = wp_parse_url( $remote_actor );
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$route = $url_parts['path'] . '?' . $url_parts['query'];
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$host = $url_parts['host'];
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$headers = array(
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'digest' => [ "SHA-256=$digest" ],
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'signature' => [ $signature ],
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'date' => [ $date ],
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'host' => [ $host ],
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'(request-target)' => [ 'POST ' . $route ]
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);
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// Start verification
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// parse_signature_header, get_signed_data, get_public_key
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$signature_block = Activitypub\Signature::parse_signature_header( $headers['signature'] );
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$signed_headers = $signature_block['headers'];
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$signed_data = Activitypub\Signature::get_signed_data( $signed_headers, $signature_block, $headers );
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$public_key = Activitypub\Signature::get_public_key( 1 );
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// signature_verification
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$verified = \openssl_verify( $signed_data, $signature_block['signature'], $public_key, 'rsa-sha256' ) > 0;
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$this->assertTrue( $verified );
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remove_filter( 'pre_http_request', array( $pre_http_request, 'filter' ), 10 );
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}
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}
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