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2017-10-04Non-Serial ("Snowflake") IDs (#4801)aschmitz
* Use non-serial IDs This change makes a number of nontrivial tweaks to the data model in Mastodon: * All IDs are now 8 byte integers (rather than mixed 4- and 8-byte) * IDs are now assigned as: * Top 6 bytes: millisecond-resolution time from epoch * Bottom 2 bytes: serial (within the millisecond) sequence number * See /lib/tasks/db.rake's `define_timestamp_id` for details, but note that the purpose of these changes is to make it difficult to determine the number of objects in a table from the ID of any object. * The Redis sorted set used for the feed will have values used to look up toots, rather than scores. This is almost always the same as the existing behavior, except in the case of boosted toots. This change was made because Redis stores scores as double-precision floats, which cannot store the new ID format exactly. Note that this doesn't cause problems with sorting/pagination, because ZREVRANGEBYSCORE sorts lexicographically when scores are tied. (This will still cause sorting issues when the ID gains a new significant digit, but that's extraordinarily uncommon.) Note a couple of tradeoffs have been made in this commit: * lib/tasks/db.rake is used to enforce many/most column constraints, because this commit seems likely to take a while to bring upstream. Enforcing a post-migrate hook is an easier way to maintain the code in the interim. * Boosted toots will appear in the timeline as many times as they have been boosted. This is a tradeoff due to the way the feed is saved in Redis at the moment, but will be handled by a future commit. This would effectively close Mastodon's #1059, as it is a snowflake-like system of generating IDs. However, given how involved the changes were simply within Mastodon, it may have unexpected interactions with some clients, if they store IDs as doubles (or as 4-byte integers). This was a problem that Twitter ran into with their "snowflake" transition, particularly in JavaScript clients that treated IDs as JS integers, rather than strings. It therefore would be useful to test these changes at least in the web interface and popular clients before pushing them to all users. * Fix JavaScript interface with long IDs Somewhat predictably, the JS interface handled IDs as numbers, which in JS are IEEE double-precision floats. This loses some precision when working with numbers as large as those generated by the new ID scheme, so we instead handle them here as strings. This is relatively simple, and doesn't appear to have caused any problems, but should definitely be tested more thoroughly than the built-in tests. Several days of use appear to support this working properly. BREAKING CHANGE: The major(!) change here is that IDs are now returned as strings by the REST endpoints, rather than as integers. In practice, relatively few changes were required to make the existing JS UI work with this change, but it will likely hit API clients pretty hard: it's an entirely different type to consume. (The one API client I tested, Tusky, handles this with no problems, however.) Twitter ran into this issue when introducing Snowflake IDs, and decided to instead introduce an `id_str` field in JSON responses. I have opted to *not* do that, and instead force all IDs to 64-bit integers represented by strings in one go. (I believe Twitter exacerbated their problem by rolling out the changes three times: once for statuses, once for DMs, and once for user IDs, as well as by leaving an integer ID value in JSON. As they said, "If you’re using the `id` field with JSON in a Javascript-related language, there is a very high likelihood that the integers will be silently munged by Javascript interpreters. In most cases, this will result in behavior such as being unable to load or delete a specific direct message, because the ID you're sending to the API is different than the actual identifier associated with the message." [1]) However, given that this is a significant change for API users, alternatives or a transition time may be appropriate. 1: https://blog.twitter.com/developer/en_us/a/2011/direct-messages-going-snowflake-on-sep-30-2011.html * Restructure feed pushes/unpushes This was necessary because the previous behavior used Redis zset scores to identify statuses, but those are IEEE double-precision floats, so we can't actually use them to identify all 64-bit IDs. However, it leaves the code in a much better state for refactoring reblog handling / coalescing. Feed-management code has been consolidated in FeedManager, including: * BatchedRemoveStatusService no longer directly manipulates feed zsets * RemoveStatusService no longer directly manipulates feed zsets * PrecomputeFeedService has moved its logic to FeedManager#populate_feed (PrecomputeFeedService largely made lots of calls to FeedManager, but didn't follow the normal adding-to-feed process.) This has the effect of unifying all of the feed push/unpush logic in FeedManager, making it much more tractable to update it in the future. Due to some additional checks that must be made during, for example, batch status removals, some Redis pipelining has been removed. It does not appear that this should cause significantly increased load, but if necessary, some optimizations are possible in batch cases. These were omitted in the pursuit of simplicity, but a batch_push and batch_unpush would be possible in the future. Tests were added to verify that pushes happen under expected conditions, and to verify reblog behavior (both on pushing and unpushing). In the case of unpushing, this includes testing behavior that currently leads to confusion such as Mastodon's #2817, but this codifies that the behavior is currently expected. * Rubocop fixes I could swear I made these changes already, but I must have lost them somewhere along the line. * Address review comments This addresses the first two comments from review of this feature: https://github.com/tootsuite/mastodon/pull/4801#discussion_r139336735 https://github.com/tootsuite/mastodon/pull/4801#discussion_r139336931 This adds an optional argument to FeedManager#key, the subtype of feed key to generate. It also tests to ensure that FeedManager's settings are such that reblogs won't be tracked forever. * Hardcode IdToBigints migration columns This addresses a comment during review: https://github.com/tootsuite/mastodon/pull/4801#discussion_r139337452 This means we'll need to make sure that all _id columns going forward are bigints, but that should happen automatically in most cases. * Additional fixes for stringified IDs in JSON These should be the last two. These were identified using eslint to try to identify any plain casts to JavaScript numbers. (Some such casts are legitimate, but these were not.) Adding the following to .eslintrc.yml will identify casts to numbers: ~~~ no-restricted-syntax: - warn - selector: UnaryExpression[operator='+'] > :not(Literal) message: Avoid the use of unary + - selector: CallExpression[callee.name='Number'] message: Casting with Number() may coerce string IDs to numbers ~~~ The remaining three casts appear legitimate: two casts to array indices, one in a server to turn an environment variable into a number. * Only implement timestamp IDs for Status IDs Per discussion in #4801, this is only being merged in for Status IDs at this point. We do this in a migration, as there is no longer use for a post-migration hook. We keep the initialization of the timestamp_id function as a Rake task, as it is also needed after db:schema:load (as db/schema.rb doesn't store Postgres functions). * Change internal streaming payloads to stringified IDs as well This is equivalent to 591a9af356faf2d5c7e66e3ec715502796c875cd from #5019, with an extra change for the addition to FeedManager#unpush. * Ensure we have a status_id_seq sequence Apparently this is not a given when specifying a custom ID function, so now we ensure it gets created. This uses the generic version of this function to more easily support adding additional tables with timestamp IDs in the future, although it would be possible to cut this down to a less generic version if necessary. It is only run during db:schema:load or the relevant migration, so the overhead is extraordinarily minimal. * Transition reblogs to new Redis format This provides a one-way migration to transition old Redis reblog entries into the new format, with a separate tracking entry for reblogs. It is not invertible because doing so could (if timestamp IDs are used) require a database query for each status in each users' feed, which is likely to be a significant toll on major instances. * Address review comments from @akihikodaki No functional changes. * Additional review changes * Heredoc cleanup * Run db:schema:load hooks for test in development This matches the behavior in Rails' ActiveRecord::Tasks::DatabaseTasks.each_current_configuration, which would otherwise break `rake db:setup` in development. It also moves some functionality out to a library, which will be a good place to put additional related functionality in the near future.
2017-10-04Validate id of ActivityPub representations (#5114)Akihiko Odaki
Additionally, ActivityPub::FetchRemoteStatusService no longer parses activities. OStatus::Activity::Creation no longer delegates to ActivityPub because the provided ActivityPub representations are not signed while OStatus representations are.
2017-10-02Suppress backtrace from Request#perform (#5174)Daigo 3 Dango
2017-09-29After 7 days of repeated delivery failures, give up on inbox (#5131)Eugen Rochko
- A successful delivery cancels it out - An incoming delivery from account of the inbox cancels it out
2017-09-28Change max redirects followed to 2 (#5136)Eugen Rochko
I see no reason to allow more than that. Usually a redirect is HTTP->HTTPS, then maybe URL structure changed, but more than that is highly unlikely to be a legitimate use case.
2017-09-28Add ability to specify alternative text for media attachments (#5123)Eugen Rochko
* Fix #117 - Add ability to specify alternative text for media attachments - POST /api/v1/media accepts `description` straight away - PUT /api/v1/media/:id to update `description` (only for unattached ones) - Serialized as `name` of Document object in ActivityPub - Uploads form adjusted for better performance and description input * Add tests * Change undo button blend mode to difference
2017-09-28Merge remote-tracking branch 'origin/better-themeing' into merging-upstreamOndřej Hruška
2017-09-28Merge commit 'b9f59ebcc68e9da0a7158741a1a2ef3564e1321e' into merging-upstreamOndřej Hruška
2017-09-28Merge commit '4aea3f88a6d30f102a79c2da7fcfac96465ba1a8' into merging-upstreamOndřej Hruška
2017-09-25Better themeing support!!kibigo!
2017-09-26Fix #5059 - Stop processing payload if it's from local account (#5100)Eugen Rochko
2017-09-25Add missing validations in ActivityPub::Activity::Create (#5096)Akihiko Odaki
2017-09-23Add emoji autosuggest (#5053)Eugen Rochko
* Add emoji autosuggest Some credit goes to glitch-soc/mastodon#149 * Remove server-side shortcode->unicode conversion * Insert shortcode when suggestion is custom emoji * Remove remnant of server-side emojis * Update style of autosuggestions * Fix wrong emoji filenames generated in autosuggest item * Do not lazy load emoji picker, as that no longer works * Fix custom emoji autosuggest * Fix multiple "Custom" categories getting added to emoji index, only add once
2017-09-23Fix custom emojis not detected when used in content warning (#5049)Eugen Rochko
2017-09-19Fix race condition when processing incoming OStatus messages (#5013)ThibG
* Avoid races in incoming OStatus toots processing * oops * oops again
2017-09-19Introduce OStatus::TagManager (#5008)Akihiko Odaki
2017-09-19Fix non-local statuses are html_encoded in public_page. (#5012)Naoki Kosaka
2017-09-19Add support for multiple themes (#4959)Andrew
* Add support for selecting a theme * Fix codeclimate issues * Look up site default style if current user is not available due to e.g. not being logged in * Remove outdated comment in common.js * Address requested changes in themes PR * Fix codeclimate issues * Explicitly check current_account in application controller and only check theme availability if non-nil * codeclimate * explicit precedence with && * Fix code style in application_controller according to @nightpool's suggestion, use default style in embedded.html.haml * codeclimate: indentation + return
2017-09-19Define emoji context for ActivityPub (#5004)Eugen Rochko
* Define emoji context for ActivityPub * Fix the emojo * Use general Mastodon context instead
2017-09-19Custom emoji (#4988)Eugen Rochko
* Custom emoji - In OStatus: `<link rel="emoji" name="coolcat" href="http://..." />` - In ActivityPub: `{ type: "Emoji", name: ":coolcat:", href: "http://..." }` - In REST API: Status object includes `emojis` array (`shortcode`, `url`) - Domain blocks with reject media stop emojis - Emoji file up to 50KB - Web UI handles custom emojis - Static pages render custom emojis as `<img />` tags Side effects: - Undo #4500 optimization, as I needed to modify it to restore shortcode handling in emojify() - Formatter#plaintext should now make sure stripped out line-breaks and paragraphs are replaced with newlines * Fix emoji at the start not being converted
2017-09-18Add published property to ActivityPub activity for reblogs (#5000)unarist
Since reblogs are serialized as Announce activity, its published property can be used for the creation time of reblog.
2017-09-17Raise an error on getting activity uri for remote status (#4984)unarist
We had returned `nil` for that case, but this raises an error instead, as a wrong usage of the method. This method is currently only used in ActivitySerializer.
2017-09-16Escape URL parts on formatting local status (#4975)unarist
2017-09-16Fix filterable_languages method of SettingsHelper (#4966)Akihiko Odaki
2017-09-14Fix race condition when receiving an ActivityPub Create multiple times (#4930)ThibG
* Fix race condition when receiving an ActivityPub Create multiple times * Use a RedisLock to avoid concurrent processing of a same Create activity
2017-09-14Enable to recognize most kinds of characters as URL paths (#4941)ふぁぼ原
2017-09-14Include requested URL into the message on network errors (#4945)unarist
2017-09-13Fix ActivityPub handling of replies with WEB_DOMAIN (#4895) (#4904)ThibG
* Fix ActivityPub handling of replies when LOCAL_DOMAIN ≠ WEB_DOMAIN (#4895) For all intents and purposes, `local_url?` is used to check if an URL refers to the Web UI or the various API endpoints of the local instances. Those things reside on `WEB_DOMAIN` and not `LOCAL_DOMAIN`. * Change local_url? spec, as all URLs handled by Mastodon are based on WEB_DOMAIN
2017-09-12Fix #4894 - Merge context hash into final JSON hash after key transform (#4898)Eugen Rochko
2017-09-09Merge tag 'v1.6.0rc4' into sync/upstream-1.6.0rc4David Yip
Conflicts: app/javascript/mastodon/features/getting_started/index.js app/javascript/packs/public.js app/javascript/styles/components.scss
2017-09-09Merge tag 'v1.6.0rc3' into sync/upstreamDavid Yip
2017-09-09Merge branch 'origin/master' into sync/upstreamDavid Yip
Conflicts: app/javascript/mastodon/components/status_list.js app/javascript/mastodon/features/notifications/index.js app/javascript/mastodon/features/ui/components/modal_root.js app/javascript/mastodon/features/ui/components/onboarding_modal.js app/javascript/mastodon/features/ui/index.js app/javascript/styles/about.scss app/javascript/styles/accounts.scss app/javascript/styles/components.scss app/presenters/instance_presenter.rb app/services/post_status_service.rb app/services/reblog_service.rb app/views/about/more.html.haml app/views/about/show.html.haml app/views/accounts/_header.html.haml config/webpack/loaders/babel.js spec/controllers/api/v1/accounts/credentials_controller_spec.rb
2017-09-08Handle stream_entry URL correctly in ActivityPub (#4854)unarist
In before, the method uses stream_entry id as status id, so replied status was wrongly selected. This PR uses StatusFinder which was introduced with `Api::Web::EmbedsController`.
2017-09-08Fix language filter codes (#4841)Eugen Rochko
* Fix language filter codes CLD3 returns BCP-47 language identifier, filter settings expect identifiers in the ISO 639-1 format. Convert between formats, and exclude duplicate languages from filter choices (zh-CN->zh) * Fix zh name
2017-09-06Switch to static URIs, new URI format in both protocols for new statuses (#4815)Eugen Rochko
* Decouple Status#local? from uri being nil * Replace on-the-fly URI generation with stored URIs - Generate URI in after_save hook for local statuses - Use static value in TagManager when available, fallback to tag format - Make TagManager use ActivityPub::TagManager to understand new format - Adjust tests * Use other heuristic for locality of old statuses, do not perform long query * Exclude tombstone stream entries from Atom feed * Prevent nil statuses from landing in Pubsubhubbub::DistributionWorker * Fix URI not being saved (#4818) * Add more specs for Status * Save generated uri immediately and also fix method order to minimize diff. * Fix alternate HTML URL in Atom * Fix tests * Remove not-null constraint from statuses migration to speed it up
2017-09-04Fix some ActivityPub JSON bugs (#4796)Eugen Rochko
- Fix assumption that `url` is always a string. Handle it if it's an array of strings, array of objects, object, or string, both for accounts and for objects - `sharedInbox` is actually supposed to be under `endpoints`, handle both cases and adjust the serializer
2017-09-02Rename "locked" to "manuallyApprovesFollowers" in ActivityPub (#4779)Eugen Rochko
See: <https://www.w3.org/wiki/Activity_Streams_extensions#as:manuallyApprovesFollowers>
2017-09-02Make "unfollow" undo pending outgoing follow request too (#4781)Eugen Rochko
* Make "unfollow" undo pending outgoing follow request too * Add cancel button to web UI when awaiting follow request approval * Make the hourglass button do the cancelling
2017-09-02Raise an error for remote url in StatusFinder (#4776)unarist
* Raise an error for remote url in StatusFinder Previous implementation had allowed remote url with status id which also exists on local. Then that bug leads /api/web/embed to return wrong embed url. * Fix oembed_controller_spec
2017-09-02Define missing JSON-LD properties (#4767)Eugen Rochko
Using _: property names is discouraged, as in the future, canonicalization may throw an error when encountering that instead of discarding it silently like it does now. We are defining some ActivityStreams properties which we expect to land in ActivityStreams eventually, to ensure that future versions of Mastodon will remain compatible with this even once that happens. Those would be `locked`, `sensitive` and `Hashtag` We are defining a custom context inline for some properties which we do not expect to land in any other context. `atomUri`, `inReplyToAtomUri` and `conversation` are part of the custom defined OStatus context.
2017-09-01Add ActivityPub handler for Delete->Actor activities (#4761)Eugen Rochko
2017-09-01Do not rely on activity arriving exactly once after delete arrived (#4754)Eugen Rochko
2017-09-01Deduplicate with local status on Create activity (#4763)unarist
2017-09-01Convert OStatus tag to ActivityPub id on in_reply_to resolution (#4756)unarist
2017-09-01Fallback from perform_via_activitypub on private posts (#4758)unarist
Currently, private / direct posts via OStatus from AP compatible instance will be dropped due to failing to fetch AP version. So this fallbacks to OStatus handling: * when failed to fetch ActivityPub version * when status is neither :public nor :unlisted
2017-08-31Remove identity context from output of LinkedDataSignature (#4753)Eugen Rochko
2017-08-30Forward ActivityPub creates that reply to local statuses (#4709)Eugen Rochko
* Forward ActivityPub creates that reply to local statuses * Fix test * Fix wrong signers
2017-08-30Update status embeds (#4742)Eugen Rochko
- Use statuses controller for embeds instead of stream entries controller - Prefer /@:username/:id/embed URL for embeds - Use /@:username as author_url in OEmbed - Add follow link to embeds which opens web intent in new window - Use redis cache in development - Cache entire embed
2017-08-29Serialize ActivityPub alternate link into OStatus deletes, handle it (#4730)Eugen Rochko
Requires moving Atom rendering from DistributionWorker (where `stream_entry.status` is already nil) to inline (where `stream_entry.status.destroyed?` is true) and distributing that. Unfortunately, such XML renderings can no longer be easily chained together into one payload of n items.
2017-08-28Fix Delete activity handling when the status has been reblogged (#4729)unarist