* Whitelist allowed classes for federated statuses
Allowed classes are currently:
- Any microformats class (h/p/u/dt/e-*)
- the classes mention, hashtag, ellipses and invisible.
this last one is somewhat suspect, but Mastodon currently uses it to render hidden link text.
resolved#3790
* Fix code style
* Make Pubsubhubbub::DistributionWorker handle both single stream entry
arguments, as well as arrays of stream entries
* Add BatchedRemoveStatusService, make SuspendAccountService use it
* Improve method names
* Add test
* Add more tests
* Use PuSH payloads of 100 to have a clear mapping of
1000 input statuses -> 10 PuSH payloads
It was nice while it lasted
* Add form for account deletion
* If avatar or header are gone from source, remove them
* Add option to have SuspendAccountService remove user record, add tests
* Exclude suspended accounts from search
* Fix#2619 - When redis feed is empty, fall back to database
* Use redis value to return feed from database only while RegenerationWorker
hasn't finished running
* Fix specs
* Replace usage of reject!
When case insensitivity is enabled via devise's `config.case_insensitive_keys` then `.find_for_authentication` method needs to be used instead of `.find_by` because second mentioned returns `nil` when valid email with different cases is passed.
More info https://github.com/plataformatec/devise/wiki/How-To:-Use-case-insensitive-emails
* Improve default language decision
This change allows to takes account of accepted language determined by
the user agent even if the custom default locale of the instance is
configured.
* Cover Localized more
* Fix code style
Each of mute, favourite, reblog has been updated to:
- Have a separate controller with just a create and destroy action
- Preserve historical route names to not break the API
- Mild refactoring to break up long methods
* Add specs for api statuses routes
* Update favourited_by and reblogged_by api routes
* Move methods into new controllers
* Use load_accounts methods to simplify index actions
* Clean up load_accounts methods
* Clean up link header generation
* Check for link headers in specs
* Remove unused actions from api/v1/statuses controller
* Remove specs for moved actions
* Move ApiController to Api/BaseController
* API controllers inherit from Api::BaseController
* Add coverage for various error cases in api/base controller
* Coverage for rate limit headers
* Move rate limit headers methods to concern
* Move throttle check to condition on before_action
* Move match_data variable into method
* Move utc timestamp to separate method
* Move header setting into smaller methods
* specs cleanup
* Sort results by the name
* Switch search method to simple `LIKE` matching instead of tsvector/tsquery
Previously we used scores from ts_rank_cd() to sort results, but it didn't work
because the function returns same score for all results. It's not for calculate
similarity of single words. Sometimes this bug even push out exact matching tag
from results.
Additionally, PostgreSQL supports prefix searching with standard btree index.
Using it offers simpler code, but also less index size and some speed.
* Add a StatusFilter class to identify visibility of statuses by accounts
* Extract StatusThreadingConcern from Status
* Clarify purpose of checking for nil account
* Redirect to streaming_api_base_url
When Rails receives a request to streaming API, it most likely
means that there is another host which is configured to respond
to it. This is to redirect clients to that host if
`STREAMING_API_BASE_URL` is set as another host.
* Use the new Ruby 1.9 hash syntax
* Do not fall back to StreamEntry if object_type is unavailable in TagManager
Since 6d6a429af8, when Status, the only model
with stream_entry, and StreamEntry got its own logic in uri_for and
url_for, the purpose of the fallbacks to activity_type of StreamEntry
became unclear.
This commit removes the fallbacks. When adding another model with
stream_entry in future, consider to update uri_for and url_for.
* Cover TagManager more
* Do not default the format in ProviderDiscovery
The format should be determined when discovering, as it is in the current
implementation, and it is a flaw if it is not determined.
* Spec ProviderDiscovery
* Add failing specs for hashtag and username extraction in language detector
* Remove usernames and hashtags from text before language detection
* Handle multiple instances of special case, and reduce whitespace
* Move specs for account finder methods to concern spec
* Move account finder methods to concern
* Improve spec wording
* Use more explicit comparison to ensure correct return value
* Add coverage for .find_local! and .find_remote!
* Add some methods to the finder
* Use arel on matching_username method
* Avoid ternary in matching domain method
* Simplify finder methods
* Use an AccountFinder class to simplify lookup
* Update autoprefixer to version 7.1.0
* Update axios to version 0.16.1
* Update babel-cli to version 6.24.1
* Update babel-eslint to version 7.2.3
* Update babel-preset-react to version 6.24.1
* Update coffee-script to version 1.12.6
* Update css-loader to version 0.28.1
* Update express to version 4.15.2
* Update js-yaml to version 3.8.4
* Update mocha to version 3.4.1
* Update jsdom to version 10.1.0
* Update npmlog to version 4.1.0
* Update postcss-smart-import to version 0.7.0
* Update postcss-loader to version 2.0.5
* Update pg to version 6.1.5
* Update prop-types to version 15.5.10
* Update rails-ujs to version 5.1.1
* Update redis to version 2.7.1
* Update sass-loader to version 6.0.5
* Update stringz to version 0.2.0
* Update webpack to version 2.5.1
* Update style-loader to version 0.17.0
* Update sinon to version 2.2.0
* Update react-motion to version 0.5.0
* Update react-notification to version 6.7.0
* Update react-redux-loading-bar to version 2.9.0
* Update react-intl to version 2.3.0
* Update redux-immutable to version 4.0.0
* Update reselect to version 3.0.1
* Update react-toggle to version 3.0.1
* Update react-simple-dropdown to version 3.0.0
* Update react-router to version 3.0.5
* Update react-router-scroll to version 0.4.2
* Update react-toggle to version 4.0.1
* yarn upgrade
* Spec output of Settings::Exports::BlockedAccountsController
* Spec output of Settings::Exports::FollowingAccountsController
* Spec output of Settings::Exports::MutedAccountsController
* Spec Settings::Exports::BaseController
This commit removes duplicate specs in classes inheriting
Settings::Exports::BaseController as well.
* Set delete_modal preference to true by default
* Does not show confirmation modal if delete_modal is false
* Add ja translation for preference setting page
In single user mode, visitors are redirected to the single user's
profile page. So, if you are the owner without a session, you start
from that page, click the login button and authenticate yourself
expecting you'll soon get started with the home page, but in reality
you'll get redirected back to where you started from -- your own
profile page.
This fixes the behavior by redirecting you home after login if you
have started from your own profile page.
- Increase coverage to exercise all parts of each action
- Move into namespace to share common code
- Misc refactor of each action for smaller methods, simpler code
* Introduce recent scope to Status and StreamEntry
Introduce recent scope to Status and StreamEntry as Account has.
* Cover AccountsController more in AccountsController
* refactor(components/status_list): Avoid quering scrollTop if not necessary
* refactor(components/dropdown_menu): Do not render items if not expanded
* refactor: Cherry-pick react-motion imports
* refactor(compose/privacy_dropdown): Do not render options if not open
* refactor(components/column_collapsable): Do not render children if collapsed
* Add buttons to block and unblock domain
* Relationship API now returns "domain_blocking" status for accounts,
rename "block entire domain" to "hide entire domain", fix unblocking domain,
do not block notifications from domain-blocked-but-followed people, do
not send Salmons to domain blocked users
* Add test
* Personal domain blocks shouldn't affect Salmon after all, since in this
direction of communication the control is very thin when it comes to
public stuff. Best stay consistent and not affect federation in this way
* Ignore followers and follow request from domain blocked folks,
ensure account domain blocks are not created for empty domain,
and avoid duplicates in validation
* Purge followers when blocking domain (without soft-blocks, since they
are useless here)
* Add tests, fix local timeline being empty when having any domain blocks
* Add <ostatus:conversation /> tag to Atom input/output
Only uses ref attribute (not href) because href would be
the alternate link that's always included also.
Creates new conversation for every non-reply status. Carries
over conversation for every reply. Keeps remote URIs verbatim,
generates local URIs on the fly like the rest of them.
* Conversation muting - prevents notifications that reference a conversation
(including replies, favourites, reblogs) from being created. API endpoints
/api/v1/statuses/:id/mute and /api/v1/statuses/:id/unmute
Currently no way to tell when a status/conversation is muted, so the web UI
only has a "disable notifications" button, doesn't work as a toggle
* Display "Dismiss notifications" on all statuses in notifications column, not just own
* Add "muted" as a boolean attribute on statuses JSON
For now always false on contained reblogs, since it's only relevant for
statuses returned from the notifications endpoint, which are not nested
Remove "Disable notifications" from detailed status view, since it's
only relevant in the notifications column
* Up max class length
* Remove pending test for conversation mute
* Add tests, clean up
* Rename to "mute conversation" and "unmute conversation"
* Raise validation error when trying to mute/unmute status without conversation
* Adding account domain blocks that filter notifications and public timelines
* Add tests for domain blocks in notifications, public timelines
Filter reblogs of blocked domains from home
* Add API for listing and creating account domain blocks
* API for creating/deleting domain blocks, tests for Status#ancestors
and Status#descendants, filter domain blocks from them
* Filter domains in streaming API
* Update account_domain_block_spec.rb
* Add <ostatus:conversation /> tag to Atom input/output
Only uses ref attribute (not href) because href would be
the alternate link that's always included also.
Creates new conversation for every non-reply status. Carries
over conversation for every reply. Keeps remote URIs verbatim,
generates local URIs on the fly like the rest of them.
* Conversation muting - prevents notifications that reference a conversation
(including replies, favourites, reblogs) from being created. API endpoints
/api/v1/statuses/:id/mute and /api/v1/statuses/:id/unmute
Currently no way to tell when a status/conversation is muted, so the web UI
only has a "disable notifications" button, doesn't work as a toggle
* Display "Dismiss notifications" on all statuses in notifications column, not just own
* Add "muted" as a boolean attribute on statuses JSON
For now always false on contained reblogs, since it's only relevant for
statuses returned from the notifications endpoint, which are not nested
Remove "Disable notifications" from detailed status view, since it's
only relevant in the notifications column
* Up max class length
* Remove pending test for conversation mute
* Add tests, clean up
* Rename to "mute conversation" and "unmute conversation"
* Raise validation error when trying to mute/unmute status without conversation
* Update rails to version 5.0.3
* Update aws-sdk to version 2.9.17
* Update capistrano to version 3.8.1
* Update climate_control to version 0.2.0
* Update debug_inspector to version 0.0.3
* Update et-orbi to version 1.0.4
* Update oj to version 3.0.7
* Update microformats2 to version 2.9.0
* Update lograge to version 0.5.1
* Clean up usage of Microformats2 object to remove deprecation warnings
* Update microformats2 to version 3.0.1
* Do not cancel PuSH subscriptions after encountering "permanent" error response
After talking with MMN about it, turns out some servers/php setups do
return 4xx errors while rebooting, so this anti-feature that was meant
to take load off of the hub is doing more harm than good in terms of
breaking subscriptions
* Update delivery_worker.rb
* Add <ostatus:conversation /> tag to Atom input/output
Only uses ref attribute (not href) because href would be
the alternate link that's always included also.
Creates new conversation for every non-reply status. Carries
over conversation for every reply. Keeps remote URIs verbatim,
generates local URIs on the fly like the rest of them.
* Fix conversation migration
* More spec coverage for status before_create
* Prevent n+1 query when generating Atom with the new conversations
* Improve code style
* Remove redundant local variable
* Fix#2027 - Accept own ID for remote follow with and without preceding @
Fix#2177 - Omit leading "acct:" in remote follow redirect template expansion
* Fix test
* Fix regressions from #2683
Properly format spoiler text HTML, while keeping old logic for blankness intact
Process hashtags and mentions in spoiler text
Format spoiler text for Atom
Change "show more" toggle into a button instead of anchor
Fix style regression on dropdowns for detailed statuses
* Fix lint issue
* Convert spoiler text to plaintext in desktop notifications
Compact Language Detector v3 (CLD3) is the successor of CLD2, which was
used in the previous implementation. CLD3 includes improvements since CLD2,
and supports newer compilers. On the other hand, it has additional
requirements and cld3-ruby, the FFI of CLD3 for Ruby, is still new and may
be still inmature.
Though CLD3 is named after CLD2, it is implemented with a neural network
model, different from the old implementation, which is based on a Naïve
Bayesian classifier.
CLD3 supports newer compilers, such as GCC 6. CLD2 is not compatible with
GCC 6 because it assigns negative values to varibales typed unsigned.
(see internal/cld_generated_cjk_uni_prop_80.cc) The support for GCC 6 and
newer compilers are essential today, when some server operating system
such as Ubuntu Server 16.10 has GCC 6 by default.
On the one hand, CLD3 requires C++11 support. Environments with old
compilers such as Ubuntu Server 14.04 needs to update the system or install
a newer compiler.
CLD3 needs protocol buffers as a new dependency. However,it is not
considered problematic because major server operating systems, CentOS and
Ubuntu Server provide them.
The FFI cld3-ruby was written by me (Akihiko Odaki) for use in Mastodon.
It is still new and may be inmature, but confirmed to pass existing tests.
* Dont use raise_error by itself (avoids warning)
* Add coverage for AccountFilter
* Improve coverage and refactor for Subscription#lease_seconds
* Improve coverage and refactor for NotificationMailer
* Simplify assignment of min/max threshold on subscription
* Fix#2473 - Use sidekiq scheduler to refresh PuSH subscriptions instead of cron
Fix an issue where / in domain would raise exception in TagManager#normalize_domain
PuSH subscriptions refresh done in a round-robin way to avoid hammering a single
server's hub in sequence. Correct handling of failures/retries through Sidekiq (see
also #2613). Optimize Account#with_followers scope. Also, since subscriptions
are now delegated to Sidekiq jobs, an uncaught exception will not stop the entire
refreshing operation halfway through
Fix#2702 - Correct user agent header on outgoing http requests
* Add test for SubscribeService
* Extract #expiring_accounts into method
* Make mastodon:push:refresh no-op
* Queues are now defined in sidekiq.yml
* Queues are now in sidekiq.yml
* Likely fix#2458, fix#2031 - handle out-of-order deletes for statuses
If a delete arrives before the original status, cache that information
for 6h, and if the original status arrives in that window, ignore it
* Add test case
Fix#2196 - Respond with 201 when Salmon accepted, 400 when unverified
Fix#2629 - Correctly handle confirm_domain? for local accounts
Unify rules for extracting author acct from XML, prefer <email>, fall back
to <name> + <uri> (see also #2017, #2172)
* Replace browserify with webpack
* Add react-intl-translations-manager
* Do not minify in development, add offline-plugin for ServiceWorker background cache updates
* Adjust tests and dependencies
* Fix production deployments
* Fix tests
* More optimizations
* Improve travis cache for npm stuff
* Re-run travis
* Add back support for custom.scss as before
* Remove offline-plugin and babili
* Fix issue with Immutable.List().unshift(...values) not working as expected
* Make travis load schema instead of running all migrations in sequence
* Fix missing React import in WarningContainer. Optimize rendering performance by using ImmutablePureComponent instead of
React.PureComponent. ImmutablePureComponent uses Immutable.is() to compare props. Replace dynamic callback bindings in
<UI />
* Add react definitions to places that use JSX
* Add Procfile.dev for running rails, webpack and streaming API at the same time
* Add coverage for create with empty acct value
* Add coverage for create with webfinger failure
* Add coverage for create with webfinger providing bad values
* Add coverage for create when webfinger is good
* Add coverage for session[:remote_follow] having data
* Simplify how remote follow pulls acct from session
* Remote follow behaves more like model
* Move the discovery portions of remote follow out of controller
* Check for suspended accounts
* Naive approached to timeline filtering
* Convert allowed_languages into a db column
* Allow users to choose languages to see statuses in
* Style list items as two columns
* Add a hint to explain language filtering preference
* Add coverage for admin/confirmations controller
* Coverage for statuses controller show action
* Add coverage for admin/domain_blocks controller
* Add coverage for settings/profiles#update
This adds a test for the `Feed#get` method. While the data
transformations in `Feed#get` may seem redundant, they are important to
maintain the order from Redis. The tests I wrote will fail if someone
tries to refactor away this "redundancy" (as I tried to do in the first
iteration of this change).
In #2110, a new attachment type "unknown" was introduced for
attachments that were rejected due to a domain being blocked using
reject_media. However, the "type" field was never set to "unknown"
because a default value of "0" (image) is set for that column,
causing the `type.blank?` expression to always equal false.
This version uses type_changed? instead, causing the type to be set
to "unknown" unless a type has been explicitly set. This introduces
a small change in behaviour causing the type to be set to unknown
before paperclip calls `before_post_process`. Presumably this
behaviour is more appropriate than the current one because the
attachment type has not been determined by that point.
Included are new tests for `ProcessFeedService` and
`UpdateRemoteProfileService` which now check that remote media is
downloaded for non-blocked domains and is rejected for others.
* Add render_views in more places
* Delegate methods from account to user with allow nil true, so that admin accounts show view renders when missing a user
* Use actual account instances in authorize follow controller spec
* Add rough outline of coverage needed for public timeline
* Specs for visibility, replies, boosts
* Specs for silenced account
* Specs for local_only option
* Specs for blocks and mutes
* Add tentative spec around including other silenced account statuses
* Add with_public_visibility scope
* Add simple coverage for tag_timeline
* Tag timeline includes replies
* Replace tag.statuses with a tagged_with scope in tag timeline method
* Use with_public_visibility in tag timeline
* Extract common scope between public and tag timelines to method
* Extract local domain check to local_only scope
* Extract local_only check to starting scope method
* Move list of excluded from timeline account ids to account model
* Simplify excluded accounts list on account model
* Only join accounts when needed
* Rename method for account specific filtering
* Extract method for account exclusions
* Fix bug where silenced accounts were not including statuses from other silenced accounts
* DRY up filter application from account or no account
* timeline_scope can be private
* Add spec showing that account can find its excluded accounts ids
* Add spec which fails if local_only does not have a left outer join
* rubocop
* Instead of parsing shared status contents verbatim, make roundtrip
to purported original URL. Confirm that the "original" URL is from the
same domain as the author it claims to be from.
* Fix obvious typo, add comment
* Use URI look-up first
* Add test, update Goldfinger dependency to make less useless HTTP requests per Webfinger lookup
* OEmbed support for PreviewCard
* Improve ProviderDiscovery code failure treatment
* Do not crawl links if there is a content warning, since those
don't display a link card anyway
* Reset db schema
* Fresh migrate
* Fix rubocop style issues
Fix#1681 - return existing access token when applicable instead of creating new
* Fix test
* Extract http client to helper
* Improve oembed controller
* Add coverage for domain block service with silence
* Get rid of warning about find_each and order
* Move domain_block to attr_reader
* Move optional clear_media into silence_accounts method
* Use blocked_domain method to reduce passed vars
* Extract blocked_domain_accounts method to find accounts on the domain
* Extract media_from_blocked_domain method to find relevant attachments
* Separate destruction of account images and account attachments
* Fixes#1985
- add migration AddMediaAttachmentMeta, which add meta field to media_attachments
- before saving attachment, set file meta if needed
- add meta in api
* add spec
* align the “size” format for image and video
* fix code climate
* fixes media_attachment_spec.rb
* Stricter whitelist rules
* Linting
* Added spec for blacklisting
* Test subdomain blacklist on domain whitelist
* No need to split
* Change spec name
This PR fixes I18n.locale for rake middlewares. Mastodon uses Devise that depends on Warden.
Warden::Manager can be found in rake middleware. It is outside of the controller.
In the case of authentication failed, warden calls throw(:warden). At the time Warden::Manager
delegates request to failure_app to generate response and flash[:alert] after catching it.
Unfortunately, I18n.locale is already reset then because I18n.with_locale is enabled only
inside the controller. If we used I18n.locale=, Devise::FailureApp could get the current locale.
* Change ActivityPub paging to match spec. Clean up ActivityPub outbox changes.
* Fix code style and test failures for OutboxController.
* Attempt to fix CI errors.
duplicates. Web UI regenerates UUID for that header every time the compose
form is changed or successfully submitted
Also, fix Farsi i18n overwriting the English one
* Fix#2119 - Whenever about to send a HTTP request, normalize the URI
* Add test for IDN request in FetchLinkCardService
* Perform IDN normalization on domains before they are stored in the DB
* Add failing spec for oauth/authorized_applications controller
* Use explicit reference to flashes partial from admin layout
Because some of the controllers which use the admin layout do not inherit from
application controller, this partial is not in their view path.
* Make private toots get PuSHed to subscription URLs that belong to domains where you have approved followers
* Authorized followers controller, stub for bulk action
* Soft block in the background
* Add simple test for new controller
* Rename Settings::FollowersController to Settings::FollowerDomainsController, paginate results,
rename "private" post setting to "followers-only", fix pagination style, improve post privacy
preferences style, improve warning style
* Extract compose form warnings into own container, show warning when posting to followers-only with unlocked account
* Add failing spec showing that human_locales does not match what i18n knows about
* Add missing `ar` key for arabic to human locales
* Remove duplicate `id` key from available locales
* Sort keys in human locales list
* Add spec for human_locale helper
The two methods `StreamEntriesHelper#stream_link_target` and
`StreamEntriesHelper#acct` are based on checking whether we are running
in an embedded view.
This adds some test helper code to make the testing easier. We extracted
some "magic strings" to constants to lower the coupling in the specs.
The code that generates CSS is based on a lot of boolean conditions.
The possible combinations of these grows exponentially as we add more
conditions.
Since most of the code is conditional on a single boolean, we tested the
following:
1. All `false`
2. All `true`
3. Each individual flag set to `true`
The methods tested are:
* `StreamEntriesHelper#style_classes`
* `StreamEntriesHelper#microformats_classes`
* `StreamEntriesHelper#microformats_h_class`
* Clean up collapsible components
* Expose user Outboxes and AS2 representations of statuses
* Save work thus far.
* Fix bad merge.
* Save my work
* Clean up pagination.
* First test working.
* Add tests.
* Add Forbidden error template.
* Revert yarn.lock changes.
* Fix code style deviations and use localized instead of hardcoded English text.
* Shows confirmed status in list.
* Adds ability to confirm users in admin UI.
* Added new english translations.
* Addresses feedback from #2245.
* More feedback.
* Add spec coverage for settings/two_factor_auth area
* extract setup method for qr code
* Move otp required check to before action
* Merge method only used once
* Remove duplicate view
* Consolidate creation of @codes for backup
* Move settings/2fq#recovery_codes to settings/recovery_codes#create
* Rename settings/two_factor_auth#disable to #destroy
* Add coverage for the otp required path on 2fa#show
* Clean up the recovery codes list styles
* Move settings/two_factor_auth to settings/two_factor_authentication
* Reorganize the settings two factor auth area
Updated to use a flow like:
- settings/two_factor_authentication goes to a #show view which has a button
either enable or disable 2fa on the account
- the disable button turns off the otp requirement for the user
- the enable button cycles the user secret and redirects to a confirmation page
- the confirmation page is a #new view which shows the QR code for user
- that page posts to #create which verifies the code, and creates the recovery
codes
- that create action shares a view with a recovery codes controller which can be
used separately to reset codes if needed
* Add render_views for admin/settings spec
* Add coverage for admin/settings#update
* Add coverage for admin/settings typecasting open_registrations setting
* Simplify how admin/settings finds the value for updating
* Rely on activerecord to not update a value that hasnt changed
* Add coverage for non-existent setting
* Use a constant for boolean settings
* Fix#2108 - Fix gif uploads
Add specs for media attachment gifv conversion
* Add ffmpeg to travis
* Make travis install ffmpeg, not libav
* Switch travis to trusty
* Add routing specs for accounts followers and following actions
* Use more restful route naming for public account follow pages
Moves two actions:
- accounts#followers to accounts/follower_accounts#index
- accounts#following to accounts/following_accounts#index
Adds routing spec to ensure prior URLs are preserved.
* Extract detect_language to separate class
* Use default locale, not just en
* Add spec to confirm that whatlanguage cant identify empty string
* Allow account locale to override default in language detector
* PostStatusService supplies an account to detect language
* Add a ReportFilter class
* Add reports and targeted_reports relationships to Account
* Use ReportFilter from admin/reports controller
* Link to admin/reports filtered views from admin account show view
* Add indexes to reports.account_id and reports.target_account_id
* Remove unused method #set_counters_maps from api controller
* Remove unused method #set_account_counters_maps from api controller
* Remove unused method Account#followers_domains
* Remove unused User.prolific scope
* Add mastodon:users:admins task to list all admin emails
* Use interpolated query style in Account.triadic_closures
* Coverage for Account.triadic_closures
* Move site title helper to instance helper (name change only)
* Remove newline in <title> tag
* Add site_hostname helper method to wrap up local_domain value
* Use site_hostname helper in places that need local_domain value
These were being skipped with `xit`, but we also just added the `unused` task to
the CI server, and it will be caught there. That seems good enough for this,
instead of requiring a full keys check on every local spec suite run.
This change includes:
- Improve the spec coverage for incoming request to the webfinger action
- For requests without an accept header (ie, what a browser might look like),
return a JSON response.
- For requests with an explicit format of xml or json, return that format.
- For requests using an accept header, return that format.
Also adds failing spec showing webfinger does not return xml, which covers the
issue described in: https://github.com/tootsuite/mastodon/issues/1983
