X-Git-Url: https://git.immae.eu/?a=blobdiff_plain;f=server%2Flib%2Factivitypub%2Factor.ts;h=a3f379b76938a29e6a587488611cbf468117346e;hb=28f3d1b36a70426795240c9370e47b6c4ba847f8;hp=e590dc72d02069107efb1f0b41c4ec13a6c79d05;hpb=da854ddd502cd70685ef779c673b9e63757b8aa0;p=github%2FChocobozzz%2FPeerTube.git diff --git a/server/lib/activitypub/actor.ts b/server/lib/activitypub/actor.ts index e590dc72d..a3f379b76 100644 --- a/server/lib/activitypub/actor.ts +++ b/server/lib/activitypub/actor.ts @@ -1,18 +1,26 @@ import * as Bluebird from 'bluebird' import { Transaction } from 'sequelize' import * as url from 'url' +import * as uuidv4 from 'uuid/v4' import { ActivityPubActor, ActivityPubActorType } from '../../../shared/models/activitypub' import { ActivityPubAttributedTo } from '../../../shared/models/activitypub/objects' -import { isRemoteActorValid } from '../../helpers/custom-validators/activitypub/actor' -import { retryTransactionWrapper } from '../../helpers/database-utils' +import { checkUrlsSameHost, getAPId } from '../../helpers/activitypub' +import { isActorObjectValid, normalizeActor } from '../../helpers/custom-validators/activitypub/actor' +import { isActivityPubUrlValid } from '../../helpers/custom-validators/activitypub/misc' +import { retryTransactionWrapper, updateInstanceWithAnother } from '../../helpers/database-utils' import { logger } from '../../helpers/logger' import { createPrivateAndPublicKeys } from '../../helpers/peertube-crypto' -import { doRequest } from '../../helpers/requests' -import { CONFIG, sequelizeTypescript } from '../../initializers' +import { doRequest, downloadImage } from '../../helpers/requests' +import { getUrlFromWebfinger } from '../../helpers/webfinger' +import { AVATARS_SIZE, CONFIG, MIMETYPES, sequelizeTypescript } from '../../initializers' import { AccountModel } from '../../models/account/account' import { ActorModel } from '../../models/activitypub/actor' +import { AvatarModel } from '../../models/avatar/avatar' import { ServerModel } from '../../models/server/server' import { VideoChannelModel } from '../../models/video/video-channel' +import { JobQueue } from '../job-queue' +import { getServerActor } from '../../helpers/utils' +import { ActorFetchByUrlType, fetchActorByUrl } from '../../helpers/actor' // Set account keys, this could be long so process after the account creation and do not block the client function setAsyncActorKeys (actor: ActorModel) { @@ -23,18 +31,31 @@ function setAsyncActorKeys (actor: ActorModel) { return actor.save() }) .catch(err => { - logger.error('Cannot set public/private keys of actor %d.', actor.uuid, err) + logger.error('Cannot set public/private keys of actor %d.', actor.uuid, { err }) return actor }) } -async function getOrCreateActorAndServerAndModel (actorUrl: string, recurseIfNeeded = true) { - let actor = await ActorModel.loadByUrl(actorUrl) +async function getOrCreateActorAndServerAndModel ( + activityActor: string | ActivityPubActor, + fetchType: ActorFetchByUrlType = 'actor-and-association-ids', + recurseIfNeeded = true, + updateCollections = false +) { + const actorUrl = getAPId(activityActor) + let created = false + + let actor = await fetchActorByUrl(actorUrl, fetchType) + // Orphan actor (not associated to an account of channel) so recreate it + if (actor && (!actor.Account && !actor.VideoChannel)) { + await actor.destroy() + actor = null + } // We don't have this actor in our database, fetch it on remote if (!actor) { - const result = await fetchRemoteActor(actorUrl) - if (result === undefined) throw new Error('Cannot fetch remote actor.') + const { result } = await fetchRemoteActor(actorUrl) + if (result === undefined) throw new Error('Cannot fetch remote actor ' + actorUrl) // Create the attributed to actor // In PeerTube a video channel is owned by an account @@ -43,25 +64,220 @@ async function getOrCreateActorAndServerAndModel (actorUrl: string, recurseIfNee const accountAttributedTo = result.attributedTo.find(a => a.type === 'Person') if (!accountAttributedTo) throw new Error('Cannot find account attributed to video channel ' + actor.url) + if (checkUrlsSameHost(accountAttributedTo.id, actorUrl) !== true) { + throw new Error(`Account attributed to ${accountAttributedTo.id} does not have the same host than actor url ${actorUrl}`) + } + try { - // Assert we don't recurse another time - ownerActor = await getOrCreateActorAndServerAndModel(accountAttributedTo.id, false) + // Don't recurse another time + ownerActor = await getOrCreateActorAndServerAndModel(accountAttributedTo.id, 'all', false) } catch (err) { logger.error('Cannot get or create account attributed to video channel ' + actor.url) throw new Error(err) } } - const options = { - arguments: [ result, ownerActor ], - errorMessage: 'Cannot save actor and server with many retries.' + actor = await retryTransactionWrapper(saveActorAndServerAndModelIfNotExist, result, ownerActor) + created = true + } + + if (actor.Account) actor.Account.Actor = actor + if (actor.VideoChannel) actor.VideoChannel.Actor = actor + + const { actor: actorRefreshed, refreshed } = await retryTransactionWrapper(refreshActorIfNeeded, actor, fetchType) + if (!actorRefreshed) throw new Error('Actor ' + actorRefreshed.url + ' does not exist anymore.') + + if ((created === true || refreshed === true) && updateCollections === true) { + const payload = { uri: actor.outboxUrl, type: 'activity' as 'activity' } + await JobQueue.Instance.createJob({ type: 'activitypub-http-fetcher', payload }) + } + + return actorRefreshed +} + +function buildActorInstance (type: ActivityPubActorType, url: string, preferredUsername: string, uuid?: string) { + return new ActorModel({ + type, + url, + preferredUsername, + uuid, + publicKey: null, + privateKey: null, + followersCount: 0, + followingCount: 0, + inboxUrl: url + '/inbox', + outboxUrl: url + '/outbox', + sharedInboxUrl: CONFIG.WEBSERVER.URL + '/inbox', + followersUrl: url + '/followers', + followingUrl: url + '/following' + }) +} + +async function updateActorInstance (actorInstance: ActorModel, attributes: ActivityPubActor) { + const followersCount = await fetchActorTotalItems(attributes.followers) + const followingCount = await fetchActorTotalItems(attributes.following) + + actorInstance.set('type', attributes.type) + actorInstance.set('uuid', attributes.uuid) + actorInstance.set('preferredUsername', attributes.preferredUsername) + actorInstance.set('url', attributes.id) + actorInstance.set('publicKey', attributes.publicKey.publicKeyPem) + actorInstance.set('followersCount', followersCount) + actorInstance.set('followingCount', followingCount) + actorInstance.set('inboxUrl', attributes.inbox) + actorInstance.set('outboxUrl', attributes.outbox) + actorInstance.set('sharedInboxUrl', attributes.endpoints.sharedInbox) + actorInstance.set('followersUrl', attributes.followers) + actorInstance.set('followingUrl', attributes.following) +} + +async function updateActorAvatarInstance (actorInstance: ActorModel, avatarName: string, t: Transaction) { + if (avatarName !== undefined) { + if (actorInstance.avatarId) { + try { + await actorInstance.Avatar.destroy({ transaction: t }) + } catch (err) { + logger.error('Cannot remove old avatar of actor %s.', actorInstance.url, { err }) + } } - actor = await retryTransactionWrapper(saveActorAndServerAndModelIfNotExist, options) + + const avatar = await AvatarModel.create({ + filename: avatarName + }, { transaction: t }) + + actorInstance.set('avatarId', avatar.id) + actorInstance.Avatar = avatar } - return actor + return actorInstance } +async function fetchActorTotalItems (url: string) { + const options = { + uri: url, + method: 'GET', + json: true, + activityPub: true + } + + try { + const { body } = await doRequest(options) + return body.totalItems ? body.totalItems : 0 + } catch (err) { + logger.warn('Cannot fetch remote actor count %s.', url, { err }) + return 0 + } +} + +async function fetchAvatarIfExists (actorJSON: ActivityPubActor) { + if ( + actorJSON.icon && actorJSON.icon.type === 'Image' && MIMETYPES.IMAGE.MIMETYPE_EXT[actorJSON.icon.mediaType] !== undefined && + isActivityPubUrlValid(actorJSON.icon.url) + ) { + const extension = MIMETYPES.IMAGE.MIMETYPE_EXT[actorJSON.icon.mediaType] + + const avatarName = uuidv4() + extension + await downloadImage(actorJSON.icon.url, CONFIG.STORAGE.AVATARS_DIR, avatarName, AVATARS_SIZE) + + return avatarName + } + + return undefined +} + +async function addFetchOutboxJob (actor: ActorModel) { + // Don't fetch ourselves + const serverActor = await getServerActor() + if (serverActor.id === actor.id) { + logger.error('Cannot fetch our own outbox!') + return undefined + } + + const payload = { + uri: actor.outboxUrl, + type: 'activity' as 'activity' + } + + return JobQueue.Instance.createJob({ type: 'activitypub-http-fetcher', payload }) +} + +async function refreshActorIfNeeded ( + actorArg: ActorModel, + fetchedType: ActorFetchByUrlType +): Promise<{ actor: ActorModel, refreshed: boolean }> { + if (!actorArg.isOutdated()) return { actor: actorArg, refreshed: false } + + // We need more attributes + const actor = fetchedType === 'all' ? actorArg : await ActorModel.loadByUrlAndPopulateAccountAndChannel(actorArg.url) + + try { + let actorUrl: string + try { + actorUrl = await getUrlFromWebfinger(actor.preferredUsername + '@' + actor.getHost()) + } catch (err) { + logger.warn('Cannot get actor URL from webfinger, keeping the old one.', err) + actorUrl = actor.url + } + + const { result, statusCode } = await fetchRemoteActor(actorUrl) + + if (statusCode === 404) { + logger.info('Deleting actor %s because there is a 404 in refresh actor.', actor.url) + actor.Account ? actor.Account.destroy() : actor.VideoChannel.destroy() + return { actor: undefined, refreshed: false } + } + + if (result === undefined) { + logger.warn('Cannot fetch remote actor in refresh actor.') + return { actor, refreshed: false } + } + + return sequelizeTypescript.transaction(async t => { + updateInstanceWithAnother(actor, result.actor) + + if (result.avatarName !== undefined) { + await updateActorAvatarInstance(actor, result.avatarName, t) + } + + // Force update + actor.setDataValue('updatedAt', new Date()) + await actor.save({ transaction: t }) + + if (actor.Account) { + actor.Account.set('name', result.name) + actor.Account.set('description', result.summary) + + await actor.Account.save({ transaction: t }) + } else if (actor.VideoChannel) { + actor.VideoChannel.set('name', result.name) + actor.VideoChannel.set('description', result.summary) + actor.VideoChannel.set('support', result.support) + + await actor.VideoChannel.save({ transaction: t }) + } + + return { refreshed: true, actor } + }) + } catch (err) { + logger.warn('Cannot refresh actor.', { err }) + return { actor, refreshed: false } + } +} + +export { + getOrCreateActorAndServerAndModel, + buildActorInstance, + setAsyncActorKeys, + fetchActorTotalItems, + fetchAvatarIfExists, + updateActorInstance, + refreshActorIfNeeded, + updateActorAvatarInstance, + addFetchOutboxJob +} + +// --------------------------------------------------------------------------- + function saveActorAndServerAndModelIfNotExist ( result: FetchRemoteActorResult, ownerActor?: ActorModel, @@ -90,18 +306,31 @@ function saveActorAndServerAndModelIfNotExist ( // Save our new account in database actor.set('serverId', server.id) + // Avatar? + if (result.avatarName) { + const avatar = await AvatarModel.create({ + filename: result.avatarName + }, { transaction: t }) + actor.set('avatarId', avatar.id) + } + // Force the actor creation, sometimes Sequelize skips the save() when it thinks the instance already exists // (which could be false in a retried query) - const actorCreated = await ActorModel.create(actor.toJSON(), { transaction: t }) + const [ actorCreated ] = await ActorModel.findOrCreate({ + defaults: actor.toJSON(), + where: { + url: actor.url + }, + transaction: t + }) if (actorCreated.type === 'Person' || actorCreated.type === 'Application') { - const account = await saveAccount(actorCreated, result, t) - actorCreated.Account = account + actorCreated.Account = await saveAccount(actorCreated, result, t) actorCreated.Account.Actor = actorCreated } else if (actorCreated.type === 'Group') { // Video channel - const videoChannel = await saveVideoChannel(actorCreated, result, ownerActor, t) - actorCreated.VideoChannel = videoChannel + actorCreated.VideoChannel = await saveVideoChannel(actorCreated, result, ownerActor, t) actorCreated.VideoChannel.Actor = actorCreated + actorCreated.VideoChannel.Account = ownerActor.Account } return actorCreated @@ -112,9 +341,11 @@ type FetchRemoteActorResult = { actor: ActorModel name: string summary: string + support?: string + avatarName?: string attributedTo: ActivityPubAttributedTo[] } -async function fetchRemoteActor (actorUrl: string): Promise { +async function fetchRemoteActor (actorUrl: string): Promise<{ statusCode?: number, result: FetchRemoteActorResult }> { const options = { uri: actorUrl, method: 'GET', @@ -124,12 +355,17 @@ async function fetchRemoteActor (actorUrl: string): Promise(options) + normalizeActor(requestResult.body) - if (isRemoteActorValid(actorJSON) === false) { - logger.debug('Remote actor JSON is not valid.', { actorJSON: actorJSON }) - return undefined + const actorJSON = requestResult.body + if (isActorObjectValid(actorJSON) === false) { + logger.debug('Remote actor JSON is not valid.', { actorJSON }) + return { result: undefined, statusCode: requestResult.response.statusCode } + } + + if (checkUrlsSameHost(actorJSON.id, actorUrl) !== true) { + throw new Error('Actor url ' + actorUrl + ' has not the same host than its AP id ' + actorJSON.id) } const followersCount = await fetchActorTotalItems(actorJSON.followers) @@ -151,78 +387,52 @@ async function fetchRemoteActor (actorUrl: string): Promise