Close#31801. Follow #31761.
Since there are so many benefits of compression and there are no reports
of related issues after weeks, it should be fine to enable compression
by default.
This will allow instance admins to view signup pattern patterns for
public instances. It is modelled after discourse, mastodon, and
MediaWiki's approaches.
Note: This has privacy implications, but as the above-stated open-source
projects take this approach, especially MediaWiki, which I have no doubt
looked into this thoroughly, it is likely okay for us, too. However, I
would be appreciative of any feedback on how this could be improved.
---------
Co-authored-by: Giteabot <teabot@gitea.io>
Replace #32001.
To prevent the context cache from being misused for long-term work
(which would result in using invalid cache without awareness), the
context cache is designed to exist for a maximum of 10 seconds. This
leads to many false reports, especially in the case of slow SQL.
This PR increases it to 5 minutes to reduce false reports.
5 minutes is not a very safe value, as a lot of changes may have
occurred within that time frame. However, as far as I know, there has
not been a case of misuse of context cache discovered so far, so I think
5 minutes should be OK.
Please note that after this PR, if warning logs are found again, it
should get attention, at that time it can be almost 100% certain that it
is a misuse.
https://github.com/go-fed/httpsig seems to be unmaintained.
Switch to github.com/42wim/httpsig which has removed deprecated crypto
and default sha256 signing for ssh rsa.
No impact for those that use ed25519 ssh certificates.
This is a breaking change for:
- gitea.com/gitea/tea (go-sdk) - I'll be sending a PR there too
- activitypub using deprecated crypto (is this actually used?)
The normal themes already have a variant which automatically chooses
light/dark mode based on the browser.
This PR adds the same variant, but for the colorblind themes.
Follow #31950 and Fix the display bug of #31966 .
This will only fix the English version. I will update all these
translation files in crowdin after this merged so that all the languages
can be fixed.
And all these files should be backported together.
This PR remove the bold effect around the name when creating a new tag
or branch.
Part of #27700
Removes all URLs from translation strings to easy up changing them in
the future and to exclude people injecting malicious URLs through
translations. First measure as long as #24402 is out of scope.
All refs under `refs/pull` should only be changed from Gitea inside but
not by pushing from outside of Gitea.
This PR will prevent the pull refs update but allow other refs to be
updated on the same pushing with `--mirror` operations.
The main changes are to add checks on `update` hook but not
`pre-receive` because `update` will be invoked by every ref but
`pre-receive` will revert all changes once one ref update fails.
Fix#31916
In #30876, `sortOrder` has been changed into a map, but it is only
implemented in explore.
~~But it seems that size sort order has no effect from long long ago,~~
not directly caused by the PR above.
I think it is still caused by #29231.
In #29231, it merged the sort orders from
`templates/explore/repo_search.tmpl` and
`templates/admin/repo/search.tmpl`.
In `templates/admin/repo/search.tmpl`, it contains size sort orders, but
not in `templates/explore/repo_search.tmpl`, which is used in non-admin
pages.
So `order by size` is added from #29231, but the handler was not added.
---------
Co-authored-by: 6543 <6543@obermui.de>
Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
- When pasting a URL over another URL, replace the URL instead of
creating a useless `[url](url)`. This is the 1-line change
[here](https://github.com/go-gitea/gitea/pull/31948/files#diff-be8e94d7e3da33b187381f53d28095107bd0cf29ae9a9e997e4f422f4a54479cR122).
- Always run `initTextareaEvents`, previously it was not run when
`dropzoneEl` was not present like when attachements are disabled on the
server. Refactored the function to gracefully handle absent `dropzoneEl`
and rename the function to a better name.
Follow #31908. The main refactor is that it has removed the returned
context of `Lock`.
The returned context of `Lock` in old code is to provide a way to let
callers know that they have lost the lock. But in most cases, callers
shouldn't cancel what they are doing even it has lost the lock. And the
design would confuse developers and make them use it incorrectly.
See the discussion history:
https://github.com/go-gitea/gitea/pull/31813#discussion_r1732041513 and
https://github.com/go-gitea/gitea/pull/31813#discussion_r1734078998
It's a breaking change, but since the new module hasn't been used yet, I
think it's OK to not add the `pr/breaking` label.
## Design principles
It's almost copied from #31908, but with some changes.
### Use spinlock even in memory implementation (unchanged)
In actual use cases, users may cancel requests. `sync.Mutex` will block
the goroutine until the lock is acquired even if the request is
canceled. And the spinlock is more suitable for this scenario since it's
possible to give up the lock acquisition.
Although the spinlock consumes more CPU resources, I think it's
acceptable in most cases.
### Do not expose the mutex to callers (unchanged)
If we expose the mutex to callers, it's possible for callers to reuse
the mutex, which causes more complexity.
For example:
```go
lock := GetLocker(key)
lock.Lock()
// ...
// even if the lock is unlocked, we cannot GC the lock,
// since the caller may still use it again.
lock.Unlock()
lock.Lock()
// ...
lock.Unlock()
// callers have to GC the lock manually.
RemoveLocker(key)
```
That's why
https://github.com/go-gitea/gitea/pull/31813#discussion_r1721200549
In this PR, we only expose `ReleaseFunc` to callers. So callers just
need to call `ReleaseFunc` to release the lock, and do not need to care
about the lock's lifecycle.
```go
release, err := locker.Lock(ctx, key)
if err != nil {
return err
}
// ...
release()
// if callers want to lock again, they have to re-acquire the lock.
release, err := locker.Lock(ctx, key)
// ...
```
In this way, it's also much easier for redis implementation to extend
the mutex automatically, so that callers do not need to care about the
lock's lifecycle. See also
https://github.com/go-gitea/gitea/pull/31813#discussion_r1722659743
### Use "release" instead of "unlock" (unchanged)
For "unlock", it has the meaning of "unlock an acquired lock". So it's
not acceptable to call "unlock" when failed to acquire the lock, or call
"unlock" multiple times. It causes more complexity for callers to decide
whether to call "unlock" or not.
So we use "release" instead of "unlock" to make it clear. Whether the
lock is acquired or not, callers can always call "release", and it's
also safe to call "release" multiple times.
But the code DO NOT expect callers to not call "release" after acquiring
the lock. If callers forget to call "release", it will cause resource
leak. That's why it's always safe to call "release" without extra
checks: to avoid callers to forget to call it.
### Acquired locks could be lost, but the callers shouldn't stop
Unlike `sync.Mutex` which will be locked forever once acquired until
calling `Unlock`, for distributed lock, the acquired lock could be lost.
For example, the caller has acquired the lock, and it holds the lock for
a long time since auto-extending is working for redis. However, it lost
the connection to the redis server, and it's impossible to extend the
lock anymore.
In #31908, it will cancel the context to make the operation stop, but
it's not safe. Many operations are not revert-able. If they have been
interrupted, then the instance goes corrupted. So `Lock` won't return
`ctx` anymore in this PR.
### Multiple ways to use the lock
1. Regular way
```go
release, err := Lock(ctx, key)
if err != nil {
return err
}
defer release()
// ...
```
2. Early release
```go
release, err := Lock(ctx, key)
if err != nil {
return err
}
defer release()
// ...
// release the lock earlier
release()
// continue to do something else
// ...
```
3. Functional way
```go
if err := LockAndDo(ctx, key, func(ctx context.Context) error {
// ...
return nil
}); err != nil {
return err
}
```
To help #31813, but do not replace it, since this PR just introduces the
new module but misses some work:
- New option in settings. `#31813` has done it.
- Use the locks in business logic. `#31813` has done it.
So I think the most efficient way is to merge this PR first (if it's
acceptable) and then finish #31813.
## Design principles
### Use spinlock even in memory implementation
In actual use cases, users may cancel requests. `sync.Mutex` will block
the goroutine until the lock is acquired even if the request is
canceled. And the spinlock is more suitable for this scenario since it's
possible to give up the lock acquisition.
Although the spinlock consumes more CPU resources, I think it's
acceptable in most cases.
### Do not expose the mutex to callers
If we expose the mutex to callers, it's possible for callers to reuse
the mutex, which causes more complexity.
For example:
```go
lock := GetLocker(key)
lock.Lock()
// ...
// even if the lock is unlocked, we cannot GC the lock,
// since the caller may still use it again.
lock.Unlock()
lock.Lock()
// ...
lock.Unlock()
// callers have to GC the lock manually.
RemoveLocker(key)
```
That's why
https://github.com/go-gitea/gitea/pull/31813#discussion_r1721200549
In this PR, we only expose `ReleaseFunc` to callers. So callers just
need to call `ReleaseFunc` to release the lock, and do not need to care
about the lock's lifecycle.
```go
_, release, err := locker.Lock(ctx, key)
if err != nil {
return err
}
// ...
release()
// if callers want to lock again, they have to re-acquire the lock.
_, release, err := locker.Lock(ctx, key)
// ...
```
In this way, it's also much easier for redis implementation to extend
the mutex automatically, so that callers do not need to care about the
lock's lifecycle. See also
https://github.com/go-gitea/gitea/pull/31813#discussion_r1722659743
### Use "release" instead of "unlock"
For "unlock", it has the meaning of "unlock an acquired lock". So it's
not acceptable to call "unlock" when failed to acquire the lock, or call
"unlock" multiple times. It causes more complexity for callers to decide
whether to call "unlock" or not.
So we use "release" instead of "unlock" to make it clear. Whether the
lock is acquired or not, callers can always call "release", and it's
also safe to call "release" multiple times.
But the code DO NOT expect callers to not call "release" after acquiring
the lock. If callers forget to call "release", it will cause resource
leak. That's why it's always safe to call "release" without extra
checks: to avoid callers to forget to call it.
### Acquired locks could be lost
Unlike `sync.Mutex` which will be locked forever once acquired until
calling `Unlock`, in the new module, the acquired lock could be lost.
For example, the caller has acquired the lock, and it holds the lock for
a long time since auto-extending is working for redis. However, it lost
the connection to the redis server, and it's impossible to extend the
lock anymore.
If the caller don't stop what it's doing, another instance which can
connect to the redis server could acquire the lock, and do the same
thing, which could cause data inconsistency.
So the caller should know what happened, the solution is to return a new
context which will be canceled if the lock is lost or released:
```go
ctx, release, err := locker.Lock(ctx, key)
if err != nil {
return err
}
defer release()
// ...
DoSomething(ctx)
// the lock is lost now, then ctx has been canceled.
// Failed, since ctx has been canceled.
DoSomethingElse(ctx)
```
### Multiple ways to use the lock
1. Regular way
```go
ctx, release, err := Lock(ctx, key)
if err != nil {
return err
}
defer release()
// ...
```
2. Early release
```go
ctx, release, err := Lock(ctx, key)
if err != nil {
return err
}
defer release()
// ...
// release the lock earlier and reset the context back
ctx = release()
// continue to do something else
// ...
```
3. Functional way
```go
if err := LockAndDo(ctx, key, func(ctx context.Context) error {
// ...
return nil
}); err != nil {
return err
}
```
Update mermaid to
[v11](https://github.com/mermaid-js/mermaid/releases/tag/v11.0.0) and
enable the new [`suppressErrorRendering`
option](https://github.com/mermaid-js/mermaid/pull/4359) to ensure
mermaid never renders error elements into the DOM (we have per-chart
error rendering, so don't need it). Tested various chart types.
BTW, I was unable to reproduce that error rendering from mermaid with
`suppressErrorRendering: false` and I thought we had some CSS to hide
the error element, but I could not find it, not even in git history.
