fix(signed-request): trigger metadata insert with default value manually

[ArtificialOwl]

should fix https://github.com/nextcloud/server/pull/45979/files#r1869425884

[nickvergessen]

But afterwards Talk's federation still does not work:

{
  "app": "cloud_federation_api",
  "signedRequest": "{\"[object] (OC\\Security\\Signature\\Model\\IncomingSignedRequest)\":{\"OC\\Security\\Signature\\Model\\SignedRequestdigest\":\"SHA-512=b1AhhRfCp1RCUaJm8a/ySVFEskKDiNDuZ5eORQ8xBuBXTMsFd38HCiLe2i3/oS8z3Cmk/e+l8MLXhuVfb8cxYg==\",\"OC\\Security\\Signature\\Model\\SignedRequestdigestAlgorithm\":{\"[object] (NCU\\Security\\Signature\\Enum\\DigestAlgorithm)\":{\"name\":\"SHA512\",\"value\":\"SHA-512\"}},\"OC\\Security\\Signature\\Model\\SignedRequestsigningElements\":{\"keyId\":\"https://localhost:8080/ocm#signature\",\"algorithm\":\"rsa-sha512\",\"headers\":\"(request-target) content-length date digest host\",\"signature\":\"NYz59rpWnZPfU9E8FU/SGVl2irIkduB6gQ1mPyBbgSn52fuSJ4PRveAOcSIXNJ/wnfJQh1VVCCBUmG0mduRSy4I9/jC4+oAf603ji1564cabQqEHauX35YW8gInwP0ygRJogFaXUa5K1e/TNXbbWw7gQZbSpKCxnBKsbc27CRKBYeRETYAVvggTs4DqO9Wp3MyR+CORGw7UqbfHpWIux45HAAR1Dv969vVrNRXNlienzlKXyos68Yj6xLg4gAy8FZZmDKxx/k/Gg5VAK7aPvBw+x60mY5XZA/Y+TDUJBbB+BEdBFOqXIzVq4hITMx0E+EBSYI1earhit1Bk0X0HSuQ==\"},\"OC\\Security\\Signature\\Model\\SignedRequestsignatureData\":[\"(request-target): post /index.php/ocm/notifications\",\"content-length: 941\",\"date: Wed, 04 Dec 2024 14:28:45 GMT\",\"digest: SHA-512=b1AhhRfCp1RCUaJm8a/ySVFEskKDiNDuZ5eORQ8xBuBXTMsFd38HCiLe2i3/oS8z3Cmk/e+l8MLXhuVfb8cxYg==\",\"host: localhost:8180\"],\"OC\\Security\\Signature\\Model\\SignedRequestsignature\":\"NYz59rpWnZPfU9E8FU/SGVl2irIkduB6gQ1mPyBbgSn52fuSJ4PRveAOcSIXNJ/wnfJQh1VVCCBUmG0mduRSy4I9/jC4+oAf603ji1564cabQqEHauX35YW8gInwP0ygRJogFaXUa5K1e/TNXbbWw7gQZbSpKCxnBKsbc27CRKBYeRETYAVvggTs4DqO9Wp3MyR+CORGw7UqbfHpWIux45HAAR1Dv969vVrNRXNlienzlKXyos68Yj6xLg4gAy8FZZmDKxx/k/Gg5VAK7aPvBw+x60mY5XZA/Y+TDUJBbB+BEdBFOqXIzVq4hITMx0E+EBSYI1earhit1Bk0X0HSuQ==\",\"OC\\Security\\Signature\\Model\\SignedRequestsignatory\":{\"[object] (NCU\\Security\\Signature\\Model\\Signatory)\":{\"id\":1,\"OCP\\AppFramework\\Db\\Entity_updatedFields\":[],\"OCP\\AppFramework\\Db\\Entity_fieldTypes\":[],\"*keyId\":\"https://localhost:8080/ocm#signature\",\"*keyIdSum\":\"49c06bce5548b0815c97f6b11e49d467b9c7104059c5dd9843d6eed14de39092\",\"*providerId\":\"ocm\",\"*host\":\"localhost:8080\",\"*publicKey\":\"-----BEGIN PUBLIC KEY-----\\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2pFpYl02ZVrpuzRHisM1\\nLYWFhysy16frEX63t69uFO683wpjcVv55A3VN4eeVr86YFIypu+BkYVlN2xBu6ba\\niOjJ+deN1GtPzz58KGxDI4zQdQ9iHhIOqCNw1Qio2lTuYY6FdQL2AC6kGLdp+qO8\\nl0rIvsjHwRhj4dFlX4fJg4JW7MDe3uRnlRMpgxyxb7Zn8qWWGcBn2dCXiyBxrUk9\\nRRHmNJY6Y2qYyksSYZr9z2drIiR5KjTkZMvMN+pHlj5E7CVcm2XjDGOCDd5e9QbQ\\nUKiG3BWpq6V30BOyPBmuhv2qTbLRcrmCBWWLUuT5/8uuqbo5wBn2Naf6ntSarBQa\\n3wIDAQAB\\n-----END PUBLIC KEY-----\\n\",\"*privateKey\":\"\",\"*account\":\"\",\"*type\":8,\"*status\":0,\"*metadata\":[],\"*creation\":1733322331,\"*lastUpdated\":1733322331,\"NCU\\Security\\Signature\\Model\\Signatorylocal\":false}},\"OC\\Security\\Signature\\Model\\SignedRequestbody\":\"{\\\"notificationType\\\":\\\"MESSAGE_POSTED\\\",\\\"resourceType\\\":\\\"talk-room\\\",\\\"providerId\\\":\\\"133\\\",\\\"notification\\\":{\\\"remoteServerUrl\\\":\\\"http:\\/\\/localhost:8080\\\",\\\"sharedSecret\\\":\\\"oXoNtRdLHDazjC6gMadPzRctMD5mJJgRSoEQPkJzbAimbKYcjHSTFsLeNynbYQzd\\\",\\\"remoteToken\\\":\\\"sqitskb8\\\",\\\"messageData\\\":{\\\"remoteMessageId\\\":1217,\\\"actorType\\\":\\\"users\\\",\\\"actorId\\\":\\\"participant1\\\",\\\"actorDisplayName\\\":\\\"participant1-displayname\\\",\\\"messageType\\\":\\\"system\\\",\\\"systemMessage\\\":\\\"federated_user_added\\\",\\\"expirationDatetime\\\":\\\"\\\",\\\"message\\\":\\\"{actor} invited {federated_user}\\\",\\\"messageParameter\\\":\\\"{\\\\\"actor\\\\\":{\\\\\"type\\\\\":\\\\\"user\\\\\",\\\\\"id\\\\\":\\\\\"participant1\\\\\",\\\\\"name\\\\\":\\\\\"participant1-displayname\\\\\"},\\\\\"federated_user\\\\\":{\\\\\"type\\\\\":\\\\\"user\\\\\",\\\\\"id\\\\\":\\\\\"participant2\\\\\",\\\\\"name\\\\\":\\\\\"participant2-displayname\\\\\",\\\\\"server\\\\\":\\\\\"http:\\\\\\/\\\\\\/localhost:8180\\\\\"}}\\\",\\\"creationDatetime\\\":\\\"2024-12-04T14:28:45+00:00\\\",\\\"metaData\\\":\\\"[]\\\"},\\\"unreadInfo\\\":{\\\"lastReadMessage\\\":1216,\\\"unreadMessages\\\":0,\\\"unreadMention\\\":false,\\\"unreadMentionDirect\\\":false}}}\",\"OC\\Security\\Signature\\Model\\IncomingSignedRequestorigin\":\"localhost:8080\",\"OC\\Security\\Signature\\Model\\IncomingSignedRequestrequest\":{\"[object] (OC\\AppFramework\\Http\\Request)\":{\"*inputStream\":\"php://input\",\"*content\":null,\"*items\":[],\"*allowedKeys\":[],\"*requestId\":\"[object] (OC\\AppFramework\\Http\\RequestId)\",\"*config\":\"[object] (OC\\AllConfig)\",\"*csrfTokenManager\":\"[object] (OC\\Security\\CSRF\\CsrfTokenManager)\",\"*contentDecoded\":true}},\"OC\\Security\\Signature\\Model\\IncomingSignedRequestoptions\":{\"algorithm\":{\"[object] (NCU\\Security\\Signature\\Enum\\SignatureAlgorithm)\":[]},\"digestAlgorithm\":{\"[object] (NCU\\Security\\Signature\\Enum\\DigestAlgorithm)\":[]},\"extraSignatureHeaders\":[],\"ttl\":300,\"dateHeader\":\"D, d M Y H:i:s T\",\"ttlSignatory\":259200,\"bodyMaxSize\":50000}}}",
  "message": "signed request available"
}

[Wed Dec  4 15:31:40 2024] {"app":"spreed","message":"Failed to send notification for share from http:\/\/localhost:8080, received status code 503\n<!DOCTYPE html>\n<html class=\"ng-csp\" data-placeholder-focus=\"false\" lang=\"en\" data-locale=\"en\" translate=\"no\" >\n\t<head\n data-requesttoken=\"\">\n\t\t<meta charset=\"utf-8\">\n\t\t<title>\n\t\t\tNextcloud 31\t\t<\/title>\n\t\t<meta name=\"csp-nonce\" nonce=\"mc2uDNMK\/yODm6aUFlTrgsQHPSE4OG3KCHF7g2k8qTw=\">\n\t\t<meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0, minimum-scale=1.0\">\n\t\t\t\t<meta name=\"apple-itunes-app\" content=\"app-id=1125420102\">\n\t\t\t\t<meta name=\"theme-color\" content=\"#26A269\">\n\t\t<link rel=\"icon\" href=\"\/index.php\/apps\/theming\/favicon?v=602ebaab\">\n\t\t<link rel=\"apple-touch-icon\" href=\"\/index.php\/apps\/theming\/icon?v=602ebaab\">\n\t\t<link rel=\"mask-icon\" sizes=\"any\" href=\"\/core\/img\/favicon-mask.svg\" color=\"#26A269\">\n\t\t<link rel=\"manifest\" href=\"\/index.php\/apps\/theming\/manifest?v=602ebaab\" crossorigin=\"use-credentials\">\n\t\t<link rel=\"stylesheet\" href=\"\/core\/css\/server.css\">\n<link rel=\"stylesheet\" href=\"\/apps\/theming\/css\/default.css\">\n<link rel=\"stylesheet\" href=\"\/core\/css\/guest.css\">\n\t\t<script nonce=\"mc2uDNMK\/yODm6aUFlTrgsQHPSE4OG3KCHF7g2k8qTw=\" defer src=\"\/dist\/core-common.js\"><\/script>\n<script nonce=\"mc2uDNMK\/yODm6aUFlTrgsQHPSE4OG3KCHF7g2k8qTw=\" defer src=\"\/dist\/core-main.js\"><\/script>\n<script nonce=\"mc2uDNMK\/yODm6aUFlTrgsQHPSE4OG3KCHF7g2k8qTw=\" defer src=\"\/apps\/theming\/js\/theming.js\"><\/script>\n<script nonce=\"mc2uDNMK\/yODm6aUFlTrgsQHPSE4OG3KCHF7g2k8qTw=\" defer src=\"\/dist\/files_sharing-main.js\"><\/script>\n\t\t<link rel=\"stylesheet\" media=\"\" href=\"\/index.php\/apps\/theming\/theme\/default.css?plain=1&amp;v=602ebaab\" class=\"theme\"\/><link rel=\"stylesheet\" media=\"(prefers-color-scheme: light)\" href=\"\/index.php\/apps\/theming\/theme\/light.css?plain=1&amp;v=602ebaab\" class=\"theme\"\/><link rel=\"stylesheet\" media=\"(prefers-color-scheme: dark)\" href=\"\/index.php\/apps\/theming\/theme\/dark.css?plain=1&amp;v=602ebaab\" class=\"theme\"\/><link rel=\"stylesheet\" media=\"(prefers-contrast: more)\" href=\"\/index.php\/apps\/theming\/theme\/light-highcontrast.css?plain=1&amp;v=602ebaab\" class=\"theme\"\/><link rel=\"stylesheet\" media=\"(prefers-color-scheme: dark) and (prefers-contrast: more)\" href=\"\/index.php\/apps\/theming\/theme\/dark-highcontrast.css?plain=1&amp;v=602ebaab\" class=\"theme\"\/><link rel=\"stylesheet\" media=\"\" href=\"\/index.php\/apps\/theming\/theme\/light.css?plain=0&amp;v=602ebaab\" class=\"theme\"\/><link rel=\"stylesheet\" media=\"\" href=\"\/index.php\/apps\/theming\/theme\/dark.css?plain=0&amp;v=602ebaab\" class=\"theme\"\/><link rel=\"stylesheet\" media=\"\" href=\"\/index.php\/apps\/theming\/theme\/light-highcontrast.css?plain=0&amp;v=602ebaab\" class=\"theme\"\/><link rel=\"stylesheet\" media=\"\" href=\"\/index.php\/apps\/theming\/theme\/dark-highcontrast.css?plain=0&amp;v=602ebaab\" class=\"theme\"\/><link rel=\"stylesheet\" media=\"\" href=\"\/index.php\/apps\/theming\/theme\/opendyslexic.css?plain=0&amp;v=602ebaab\" class=\"theme\"\/><meta name=\"color-scheme\" content=\"light dark\"\/>\t<\/head>\n\t<body id=\"body-login\">\n\t\t<noscript>\n\t<div id=\"nojavascript\">\n\t\t<div>\n\t\t\tThis application requires JavaScript for correct operation. Please <a href=\"https:\/\/www.enable-javascript.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">enable JavaScript<\/a> and reload the page.\t\t<\/div>\n\t<\/div>\n<\/noscript>\n\t\t<div id=\"initial-state-container\" style=\"display: none;\">\n\t\t\t<input type=\"hidden\" id=\"initial-state-core-versionHash\" value=\"ImM1ZjNjZjc0Ig==\">\n\t\t\t<input type=\"hidden\" id=\"initial-state-theming-data\" value=\"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\">\n\t\t\t<input type=\"hidden\" id=\"initial-state-comments-maxAutoCompleteResults\" value=\"MTA=\">\n\t<\/div>\n\t\t<div class=\"wrapper\">\n\t\t\t<div class=\"v-align\">\n\t\t\t\t\t\t\t\t\t<header>\n\t\t\t\t\t\t<div id=\"header\">\n\t\t\t\t\t\t\t<div class=\"logo\"><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/header>\n\t\t\t\t\t\t\t\t<main>\n\t\t\t\t\t<h1 class=\"hidden-visually\">\n\t\t\t\t\t\tNextcloud 31\t\t\t\t\t<\/h1>\n\t\t\t\t\t<div class=\"guest-box\">\n\t<h2>Error<\/h2>\n\t<ul>\n\t\t\t<li>\n\t\t\t<p>Share not found<\/p>\n\t\t\t\t\t\t\t<p class='hint'>Could not find share<\/p>\n\t\t\t\t\t<\/li>\n\t\t<\/ul>\n<\/div>\n\t\t\t\t<\/main>\n\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<fo