* FIX: Add post id to the anchor to prevent two identical anchors
We generate anchors for headings in posts. This works fine if there is
only one post in a topic with anchors. The problem comes when you have
two or more posts with the same heading. PrettyText generates anchors
based on the heading text using the raw context of each post, so it is
entirely possible to generate the same anchor for two posts in the same
topic, especially for topics with template replies
Post1:
# heading
context
Post2:
# heading
context
When both posts are on the page at the same time, the anchor will only
work for the first post, according to the [HTML specification](https://html.spec.whatwg.org/multipage/browsing-the-web.html#scroll-to-the-fragment-identifier).
> If there is an a element in the document tree whose root is document
> that has a name attribute whose value is equal to fragment, then
> return the *first* such element in tree order.
This bug is particularly serious in forums with non-Latin languages,
such as Chinese. We do not generate slugs for Chinese, which results in
the heading anchors being completely dependent on their order.
```ruby
[2] pry(main)> PrettyText.cook("# 中文")
=> "<h1><a name=\"h-1\" class=\"anchor\" href=\"#h-1\"></a>中文</h1>"
```
Therefore, the anchors in the two posts must be in exactly the same by
order, causing almost all of the anchors in the second post to be
invalid.
This commit solves this problem by adding the `post_id` to the anchor.
The new anchor generation method will add `p-{post_id}` as a prefix when
post_id is available:
```ruby
[3] pry(main)> PrettyText.cook("# 中文", post_id: 1234)
=> "<h1><a name=\"p-1234-h-1\" class=\"anchor\" href=\"#p-1234-h-1\"></a>中文</h1>"
```
This way we can ensure that each anchor name only appears once on the
same topic. Using post id also prevents the potential possibility of the
same anchor name when splitting/merging topics.
This change eliminates a couple of instances where subfolder urls are badly formatted, in most cases we can use Discourse.base_url_no_prefix to prevent adding the subfolder to the base url.
This commit updates `Post#each_upload_url` to reject URLs that do not
have a host which matches `Discourse.current_hostname` but follows the
`/uploads/short-url` uploads URL format. This situation most commonly
happen when users copy upload URL link between different Discourse
sites.
This commit introduces a few changes as a result of
customer issues with finding why a topic was relisted.
In one case, if a user edited the OP of a topic that was
unlisted and hidden because of too many flags, the topic
would get relisted by directly changing topic.visible,
instead of going via TopicStatusUpdater.
To improve tracking we:
* Introduce a visibility_reason_id to topic which functions
in a similar way to hidden_reason_id on post, this column is
set from the various places we change topic visibility
* Fix Post#unhide! which was directly modifying topic.visible,
instead we use TopicStatusUpdater which sets visibility_reason_id
and also makes a small action post
* Show the reason topic visibility changed when hovering the
unlisted icon in topic status on topic titles
This commit addresses an issue for sites where secure_uploads
is turned on after the site has been operating without it for
some time.
When uploads are linked when they are used inside a post,
we were setting the access_control_post_id unconditionally
if it was NULL to that post ID and secure_uploads was true.
However this causes issues if an upload has been used in a
few different places, especially if a post was previously
used in a PM and marked secure, so we end up with a case of
the upload using a public post for its access control, which
causes URLs to not use the /secure-uploads/ path in the post,
breaking things like image uploads.
We should only set the access_control_post_id if the post is the first time the
upload is referenced so it cannot hijack uploads from other places.
This method name is a bit confusing; with_secure_uploads implies
it may return a block or something with the uploads of the post,
and has_secure_uploads implies that it's checking whether the post
is linked to any secure uploads.
should_secure_uploads? communicates the true intent of this method --
which is to say whether uploads attached to this post should be
secure or not.
For performance reasons we don't automatically add fabricated users to trust level auto-groups. However, when explicitly passing a trust level to the fabricator, in 99% of cases it means that trust level is relevant for the test, and we need the groups.
This change makes it so that when a trust level is explicitly passed to the fabricator, the auto-groups are refreshed. There's no longer a need to also pass refresh_auto_groups: true, which means clearer tests, fewer mistakes, and less confusion.
We have all these calls to Group.refresh_automatic_groups! littered throughout the tests. Including tests that are seemingly unrelated to groups. This is because automatic group memberships aren't fabricated when making a vanilla user. There are two places where you'd want to use this:
You have fabricated a user that needs a certain trust level (which is now based on group membership.)
You need the system user to have a certain trust level.
In the first case, we can pass refresh_auto_groups: true to the fabricator instead. This is a more lightweight operation that only considers a single user, instead of all users in all groups.
The second case is no longer a thing after #25400.
We're changing the implementation of trust levels to use groups. Part of this is to have site settings that reference trust levels use groups instead. It converts the min_trust_to_post_links site setting to post_links_allowed_groups.
This isn't used by any of our plugins or themes, so very little fallout.
We're changing the implementation of trust levels to use groups. Part of this is to have site settings that reference trust levels use groups instead. It converts the min_trust_to_flag_posts site setting to flag_post_allowed_groups.
Note: In the original setting, "posts" is plural. I have changed this to "post" singular in the new setting to match others.
When we check upload security, one of the checks is to
run `access_control_post.with_secure_uploads?`. The problem
here is that the `topic` for the post could be deleted,
which would make the check return `nil` sometimes instead
of false because of safe navigation. We just need to be
more explicit.
Followup to 2443446e62
We introduced video placeholders which prevent preloading
metadata for videos in posts. The structure looks like this
in HTML when the post is cooked:
```
<div class="video-placeholder-container" data-video-src="http://some-url.com/video.mp4" dir="ltr" style="cursor: pointer;">
<div class="video-placeholder-wrapper">
<div class="video-placeholder-overlay">
<svg class="fa d-icon d-icon-play svg-icon svg-string" xmlns="http://www.w3.org/2000/svg">
<use href="#play"></use>
</svg>
</div>
</div>
</div>
```
However, we did not update the code that links post uploads
to the post via UploadReference, so any videos uploaded since
this change are essentially dangling and liable to be deleted.
This also causes some uploads to be marked secure when they
shouldn't be, because they are not picked up and analysed in the
CookedPostProcessor flow.
The most common thing that we do with fab! is:
fab!(:thing) { Fabricate(:thing) }
This commit adds a shorthand for this which is just simply:
fab!(:thing)
i.e. If you omit the block, then, by default, you'll get a `Fabricate`d object using the fabricator of the same name.
* FIX: Secure upload post processing race condition
This commit fixes a couple of issues.
A little background -- when uploads are created in the composer
for posts, regardless of whether the upload will eventually be
marked secure or not, if secure_uploads is enabled we always mark
the upload secure at first. This is so the upload is by default
protected, regardless of post type (regular or PM) or category.
This was causing issues in some rare occasions though because
of the order of operations of our post creation and processing
pipeline. When creating a post, we enqueue a sidekiq job to
post-process the post which does various things including
converting images to lightboxes. We were also enqueuing a job
to update the secure status for all uploads in that post.
Sometimes the secure status job would run before the post process
job, marking uploads as _not secure_ in the background and changing
their ACL before the post processor ran, which meant the users
would see a broken image in their posts. This commit fixes that issue
by always running the upload security changes inline _within_ the
cooked_post_processor job.
The other issue was that the lightbox wrapper link for images in
the post would end up with a URL like this:
```
href="/secure-uploads/original/2X/4/4e1f00a40b6c952198bbdacae383ba77932fc542.jpeg"
```
Since we weren't actually using the `upload.url` to pass to
`UrlHelper.cook_url` here, we weren't converting this href to the CDN
URL if the post was not in a secure context (the UrlHelper does not
know how to convert a secure-uploads URL to a CDN one). Now we
always end up with the correct lightbox href. This was less of an issue
than the other one, since the secure-uploads URL works even when the
upload has become non-secure, but it was a good inconsistency to fix
anyway.
When a user creates or edits a post, we already were updating
the security of uploads in the post based on site settings and
their access control post, which is important since these uploads
may be switched from secure/not secure based on configuration.
The `with_secure_uploads?` method on a post is used to determine
whether to use the secure-uploads URL for all uploads in the post,
regardless of their individual security, so if this is false and
some of the posts are still secure when rebaking, we end up with
broken URLs.
This commit just makes it so rebaking via the UI also re-evaluates
upload security so that when the post is loaded again after processing,
all of the uploads have the correct security.
This adds a new secure_uploads_pm_only site setting. When secure_uploads
is true with this setting, only uploads created in PMs will be marked
secure; no uploads in secure categories will be marked as secure, and
the login_required site setting has no bearing on upload security
either.
This is meant to be a stopgap solution to prevent secure uploads
in a single place (private messages) for sensitive admin data exports.
Ideally we would want a more comprehensive way of saying that certain
upload types get secured which is a hybrid/mixed mode secure uploads,
but for now this will do the trick.
When hiding a post (essentially updating hidden, hidden_at, and hidden_reason_id) our callbacks are running the whole battery of post validations. This can cause the hiding to fail in a number of edge cases. The issue is similar to the one fixed in #11680, but applies to all post validations, none of which should apply when hiding a post.
After some code reading and discussion, none of the validations in PostValidator seem to be relevant when hiding posts, so instead of just skipping unique check, we skip all post validator checks.
This patch sets some limits on custom fields:
- an entity can’t have more than 100 custom fields defined on it
- a custom field can’t hold a value greater than 10,000,000 characters
The current implementation of custom fields is relatively complex and
does an upsert in SQL at some point, thus preventing to simply add an
`ActiveRecord` validation on the custom field model without having to
rewrite a part of the existing logic.
That’s one of the reasons this patch is implementing validations in the
`HasCustomField` module adding them to the model including the module.
* FIX: Video thumbnails can have duplicates
It's possible that a duplicate video or even a very similar video could
generate the same video thumbnail. Because video thumbnails are mapped
to their corresponding video by using the video sha1 in the thumbnail
filename we need to allow for duplicate thumbnails otherwise even when a
thumbnail has been generated for a topic it will not be mapped
correctly.
This will also allow you to re-upload a video on the same topic to
regenerate the thumbnail.
* fix typo
* FIX: Do not overwrite existing thumbnails
When auto generating video thumbnails they should not overwrite any
existing topic thumbnails.
This also addresses an issue with capitalized file extensions like .MOV
that were being excluded.
* Update app/models/post.rb
Remove comment
Co-authored-by: Penar Musaraj <pmusaraj@gmail.com>
---------
Co-authored-by: Penar Musaraj <pmusaraj@gmail.com>
* FEATURE: Generate thumbnail images for uploaded videos
Topics in Discourse have a topic thumbnail feature which allows themes
to show a preview image before viewing the actual Topic.
This PR allows for the ability to generate a thumbnail image from an
uploaded video that can be use for the topic preview.
* UX: add type tag and design update
* UX: clarify status copy in reviewQ
* DEV: switch to selectKit
* UX: color approve/reject buttons in RQ
* DEV: regroup actions
* UX: add type tag and design update
* UX: clarify status copy in reviewQ
* Join questions for flagged post with "or" with new I18n function
* Move ReviewableScores component out of context
* Add CSS classes to reviewable-item based on human type
* UX: add table header for scoring
* UX: don't display % score
* UX: prefix modifier class with dash
* UX: reviewQ flag table styling
* UX: consistent use of ignore icon
* DEV: only show context question on pending status
* UX: only show table headers on pending status
* DEV: reviewQ regroup actions for hidden posts
* UX: reviewQ > approve/reject buttons
* UX: reviewQ add fadeout
* UX: reviewQ styling
* DEV: move scores back into component
* UX: reviewQ mobile styling
* UX: score table on mobile
* UX: reviewQ > move meta info outside table
* UX: reviewQ > score layout fixes
* DEV: readd `agree_and_keep` and fix the spec tests.
* Fix the spec tests
* fix the quint test
* DEV: readd deleting replies
* UX: reviewQ copy tweaks
* DEV: readd test for ignore + delete replies
* Remove old
* FIX: Add perform_ignore back in for backwards compat
* DEV: add an action alias `ignore` for `ignore_and_do_nothing`.
---------
Co-authored-by: Martin Brennan <martin@discourse.org>
Co-authored-by: Vinoth Kannan <svkn.87@gmail.com>
Currently we don’t have an association between reviewables and posts.
This sometimes leads to inconsistencies in the DB as a post can have
been deleted but an associated reviewable is still present.
This patch addresses this issue simply by adding a new association to
the `Post` model and by using the `dependent: :destroy` option.
* DEV: Remove enable_whispers site setting
Whispers are enabled as long as there is at least one group allowed to
whisper, see whispers_allowed_groups site setting.
* DEV: Always enable whispers for admins if at least one group is allowed.
This commit fleshes out and adds functionality for the new `#hashtag` search and
lookup system, still hidden behind the `enable_experimental_hashtag_autocomplete`
feature flag.
**Serverside**
We have two plugin API registration methods that are used to define data sources
(`register_hashtag_data_source`) and hashtag result type priorities depending on
the context (`register_hashtag_type_in_context`). Reading the comments in plugin.rb
should make it clear what these are doing. Reading the `HashtagAutocompleteService`
in full will likely help a lot as well.
Each data source is responsible for providing its own **lookup** and **search**
method that returns hashtag results based on the arguments provided. For example,
the category hashtag data source has to take into account parent categories and
how they relate, and each data source has to define their own icon to use for the
hashtag, and so on.
The `Site` serializer has two new attributes that source data from `HashtagAutocompleteService`.
There is `hashtag_icons` that is just a simple array of all the different icons that
can be used for allowlisting in our markdown pipeline, and there is `hashtag_context_configurations`
that is used to store the type priority orders for each registered context.
When sending emails, we cannot render the SVG icons for hashtags, so
we need to change the HTML hashtags to the normal `#hashtag` text.
**Markdown**
The `hashtag-autocomplete.js` file is where I have added the new `hashtag-autocomplete`
markdown rule, and like all of our rules this is used to cook the raw text on both the clientside
and on the serverside using MiniRacer. Only on the server side do we actually reach out to
the database with the `hashtagLookup` function, on the clientside we just render a plainer
version of the hashtag HTML. Only in the composer preview do we do further lookups based
on this.
This rule is the first one (that I can find) that uses the `currentUser` based on a passed
in `user_id` for guardian checks in markdown rendering code. This is the `last_editor_id`
for both the post and chat message. In some cases we need to cook without a user present,
so the `Discourse.system_user` is used in this case.
**Chat Channels**
This also contains the changes required for chat so that chat channels can be used
as a data source for hashtag searches and lookups. This data source will only be
used when `enable_experimental_hashtag_autocomplete` is `true`, so we don't have
to worry about channel results suddenly turning up.
------
**Known Rough Edges**
- Onebox excerpts will not render the icon svg/use tags, I plan to address that in a follow up PR
- Selecting a hashtag + pressing the Quote button will result in weird behaviour, I plan to address that in a follow up PR
- Mixed hashtag contexts for hashtags without a type suffix will not work correctly, e.g. #ux which is both a category and a channel slug will resolve to a category when used inside a post or within a [chat] transcript in that post. Users can get around this manually by adding the correct suffix, for example ::channel. We may get to this at some point in future
- Icons will not show for the hashtags in emails since SVG support is so terrible in email (this is not likely to be resolved, but still noting for posterity)
- Additional refinements and review fixes wil
This commit renames all secure_media related settings to secure_uploads_* along with the associated functionality.
This is being done because "media" does not really cover it, we aren't just doing this for images and videos etc. but for all uploads in the site.
Additionally, in future we want to secure more types of uploads, and enable a kind of "mixed mode" where some uploads are secure and some are not, so keeping media in the name is just confusing.
This also keeps compatibility with the `secure-media-uploads` path, and changes new
secure URLs to be `secure-uploads`.
Deprecated settings:
* secure_media -> secure_uploads
* secure_media_allow_embed_images_in_emails -> secure_uploads_allow_embed_images_in_emails
* secure_media_max_email_embed_image_size_kb -> secure_uploads_max_email_embed_image_size_kb
Updates automatically data on the stats section of the topic.
It will update automatically the following information: likes, replies and last reply (timestamp and user)
This table holds associations between uploads and other models. This can be used to prevent removing uploads that are still in use.
* DEV: Create upload_references
* DEV: Use UploadReference instead of PostUpload
* DEV: Use UploadReference for SiteSetting
* DEV: Use UploadReference for Badge
* DEV: Use UploadReference for Category
* DEV: Use UploadReference for CustomEmoji
* DEV: Use UploadReference for Group
* DEV: Use UploadReference for ThemeField
* DEV: Use UploadReference for ThemeSetting
* DEV: Use UploadReference for User
* DEV: Use UploadReference for UserAvatar
* DEV: Use UploadReference for UserExport
* DEV: Use UploadReference for UserProfile
* DEV: Add method to extract uploads from raw text
* DEV: Use UploadReference for Draft
* DEV: Use UploadReference for ReviewableQueuedPost
* DEV: Use UploadReference for UserProfile's bio_raw
* DEV: Do not copy user uploads to upload references
* DEV: Copy post uploads again after deploy
* DEV: Use created_at and updated_at from uploads table
* FIX: Check if upload site setting is empty
* DEV: Copy user uploads to upload references
* DEV: Make upload extraction less strict
This will make future changes to the 'pull hotlinked images' system easier. This commit should not introduce any functional change.
For now, the old post_custom_field data is kept in the database. This will be dropped in a future commit.
* FEATURE: use canonical links in posts.rss feed
Previously we used non canonical links in posts.rss
These links get crawled frequently by crawlers when discovering new
content forcing crawlers to hop to non canonical pages just to end up
visiting canonical pages
This uses up expensive crawl time and adds load on Discourse sites
Old links were of the form:
`https://DOMAIN/t/SLUG/43/21`
New links are of the form
`https://DOMAIN/t/SLUG/43?page=2#post_21`
This also adds a post_id identified element to crawler view that was
missing.
Note, to avoid very expensive N+1 queries required to figure out the
page a post is on during rss generation, we cache that information.
There is a smart "cache breaker" which ensures worst case scenario is
a "page drift" - meaning we would publicize a post is on page 11 when
it is actually on page 10 due to post deletions. Cache holds for up to
12 hours.
Change only impacts public post RSS feeds (`/posts.rss`)
It's very easy to forget to add `require 'rails_helper'` at the top of every core/plugin spec file, and omissions can cause some very confusing/sporadic errors.
By setting this flag in `.rspec`, we can remove the need for `require 'rails_helper'` entirely.
Breakdown of fixes in this commit:
* `UserStat#topic_count` was not updated when visibility of
the topic changed.
* `UserStat#post_count` was not updated when post was hidden or
unhidden.
* `TopicConverter` was only incrementing or decrementing the counts by 1
even if a user has multiple posts in the topic.
* The commit turns off the verbose logging by default as it is just
noise to normal users who are not debugging this problem.
Previously, while retrieving each upload urls in a post S3 CDN urls with different path in prefix (external urls technically) are considered as uploaded url. It created issue while checking missing uploads.
