rack.response_finished may be used for executing code after the response has been finished rack/rack#1952
[3.0.0.beta1] - 2022-08-08
Security
Do not use semicolon as GET parameter separator. (#1733, [@jeremyevans])
SPEC Changes
Response array must now be non-frozen.
Response status must now be an integer greater than or equal to 100.
Response headers must now be an unfrozen hash.
Response header keys can no longer include uppercase characters.
Response header values can be an Array to handle multiple values (and no longer supports \n encoded headers).
Response body can now respond to #call (streaming body) instead of #each (enumerable body), for the equivalent of response hijacking in previous versions.
Middleware must no longer call #each on the body, but they can call #to_ary on the body if it responds to #to_ary.
rack.input is no longer required to be rewindable.
rack.multithread/rack.multiprocess/rack.run_once/rack.version are no longer required environment keys.
SERVER_PROTOCOL is now a required environment key, matching the HTTP protocol used in the request.
rack.hijack? (partial hijack) and rack.hijack (full hijack) are now independently optional.
rack.hijack_io has been removed completely.
rack.response_finished is an optional environment key which contains an array of callable objects that must accept #call(env, status, headers, error) and are invoked after the response is finished (either successfully or unsucessfully).
It is okay to call #close on rack.input to indicate that you no longer need or care about the input.
The stream argument supplied to the streaming body and hijack must support #<< for writing output.
Removed
Remove rack.multithread/rack.multiprocess/rack.run_once. These variables generally come too late to be useful. (#1720, [@ioquatix], [@jeremyevans]))
Remove internal cookie deletion using pattern matching, there are very few practical cases where it would be useful and browsers handle it correctly without us doing anything special. (#1844, [@ioquatix])
Remove rack.version as it comes too late to be useful. (#1938, [@ioquatix])
Extract rackup command, Rack::Server, Rack::Handler and related code into a separate gem. (#1937, [@ioquatix])
Added
Rack::Headers added to support lower-case header keys. ([@jeremyevans])
Rack::Utils#set_cookie_header now supports escape_key: false to avoid key escaping. ([@jeremyevans])
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Updates the requirements on rack to permit the latest version.
Changelog
Sourced from rack's changelog.
... (truncated)
Commits
52901cabump version, update changeloge58e2ebFix unclosed strings inUPGRADE-GUIDE.md(#1960)12742a0bump version, update changelog6aad539The stream argument must implement#<<. (#1959)ffee3c5Allow calling close onrack.input. (#1956)6fc4a32Make MockResponse#body work if body.each reuses strings for performance1a9b98dFor some reason, the recently released version breaks Ruby v2.5.856c4f9Addrack.response_finishedtoRack::Lint. (#1952)1a37044Refactor tests. (#1953)293b8e7Do not add lib to load path when running separate testsDependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting
@dependabot rebase.Dependabot commands and options
You can trigger Dependabot actions by commenting on this PR: - `@dependabot rebase` will rebase this PR - `@dependabot recreate` will recreate this PR, overwriting any edits that have been made to it - `@dependabot merge` will merge this PR after your CI passes on it - `@dependabot squash and merge` will squash and merge this PR after your CI passes on it - `@dependabot cancel merge` will cancel a previously requested merge and block automerging - `@dependabot reopen` will reopen this PR if it is closed - `@dependabot close` will close this PR and stop Dependabot recreating it. You can achieve the same result by closing it manually - `@dependabot ignore this major version` will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself) - `@dependabot ignore this minor version` will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself) - `@dependabot ignore this dependency` will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)