Handle follow/accept

1 files changed, 105 insertions, 0 deletions

diff --git a/server/lib/activitypub/process-delete.ts b/server/lib/activitypub/process-delete.ts
new file mode 100644
index 000000000..377df432d
--- /dev/null
+++ b/server/lib/activitypub/process-delete.ts
@@ -0,0 +1,105 @@
+import { ActivityDelete } from '../../../shared/models/activitypub/activity'
+import { getOrCreateAccount } from '../../helpers/activitypub'
+import { retryTransactionWrapper } from '../../helpers/database-utils'
+import { logger } from '../../helpers/logger'
+import { database as db } from '../../initializers'
+import { AccountInstance } from '../../models/account/account-interface'
+import { VideoChannelInstance } from '../../models/video/video-channel-interface'
+import { VideoInstance } from '../../models/video/video-interface'
+
+async function processDeleteActivity (activity: ActivityDelete) {
+  const account = await getOrCreateAccount(activity.actor)
+
+  if (account.url === activity.id) {
+    return processDeleteAccount(account)
+  }
+
+  {
+    let videoObject = await db.Video.loadByUrl(activity.id)
+    if (videoObject !== undefined) {
+      return processDeleteVideo(account, videoObject)
+    }
+  }
+
+  {
+    let videoChannelObject = await db.VideoChannel.loadByUrl(activity.id)
+    if (videoChannelObject !== undefined) {
+      return processDeleteVideoChannel(account, videoChannelObject)
+    }
+  }
+
+  return undefined
+}
+
+// ---------------------------------------------------------------------------
+
+export {
+  processDeleteActivity
+}
+
+// ---------------------------------------------------------------------------
+
+async function processDeleteVideo (account: AccountInstance, videoToDelete: VideoInstance) {
+  const options = {
+    arguments: [ account, videoToDelete ],
+    errorMessage: 'Cannot remove the remote video with many retries.'
+  }
+
+  await retryTransactionWrapper(deleteRemoteVideo, options)
+}
+
+async function deleteRemoteVideo (account: AccountInstance, videoToDelete: VideoInstance) {
+  logger.debug('Removing remote video "%s".', videoToDelete.uuid)
+
+  await db.sequelize.transaction(async t => {
+    if (videoToDelete.VideoChannel.Account.id !== account.id) {
+      throw new Error('Account ' + account.url + ' does not own video channel ' + videoToDelete.VideoChannel.url)
+    }
+
+    await videoToDelete.destroy({ transaction: t })
+  })
+
+  logger.info('Remote video with uuid %s removed.', videoToDelete.uuid)
+}
+
+async function processDeleteVideoChannel (account: AccountInstance, videoChannelToRemove: VideoChannelInstance) {
+  const options = {
+    arguments: [ account, videoChannelToRemove ],
+    errorMessage: 'Cannot remove the remote video channel with many retries.'
+  }
+
+  await retryTransactionWrapper(deleteRemoteVideoChannel, options)
+}
+
+async function deleteRemoteVideoChannel (account: AccountInstance, videoChannelToRemove: VideoChannelInstance) {
+  logger.debug('Removing remote video channel "%s".', videoChannelToRemove.uuid)
+
+  await db.sequelize.transaction(async t => {
+    if (videoChannelToRemove.Account.id !== account.id) {
+      throw new Error('Account ' + account.url + ' does not own video channel ' + videoChannelToRemove.url)
+    }
+
+    await videoChannelToRemove.destroy({ transaction: t })
+  })
+
+  logger.info('Remote video channel with uuid %s removed.', videoChannelToRemove.uuid)
+}
+
+async function processDeleteAccount (accountToRemove: AccountInstance) {
+  const options = {
+    arguments: [ accountToRemove ],
+    errorMessage: 'Cannot remove the remote account with many retries.'
+  }
+
+  await retryTransactionWrapper(deleteRemoteAccount, options)
+}
+
+async function deleteRemoteAccount (accountToRemove: AccountInstance) {
+  logger.debug('Removing remote account "%s".', accountToRemove.uuid)
+
+  await db.sequelize.transaction(async t => {
+    await accountToRemove.destroy({ transaction: t })
+  })
+
+  logger.info('Remote account with uuid %s removed.', accountToRemove.uuid)
+}