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2020-11-25reverseproxy: Handle "operation was canceled" errors (#3816)Daniel Santos
* fix(caddy): Avoid "operation was canceled" errors - Also add error handling for StatusGatewayTimeout * revert(caddy): Revert 504 handling - This will potentially break load balancing and health checks * Handle client cancellation as different error Co-authored-by: Matthew Holt <mholt@users.noreply.github.com>
2020-11-23reverseproxy: Add Caddyfile scheme shorthand for h2c (#3629)Francis Lavoie
* reverseproxy: Add Caddyfile scheme shorthand for h2c * reverseproxy: Use parentheses for condition Co-authored-by: Matt Holt <mholt@users.noreply.github.com> Co-authored-by: Matt Holt <mholt@users.noreply.github.com>
2020-11-22ci: Use golangci's github action for linting (#3794)Dave Henderson
* ci: Use golangci's github action for linting Signed-off-by: Dave Henderson <dhenderson@gmail.com> * Fix most of the staticcheck lint errors Signed-off-by: Dave Henderson <dhenderson@gmail.com> * Fix the prealloc lint errors Signed-off-by: Dave Henderson <dhenderson@gmail.com> * Fix the misspell lint errors Signed-off-by: Dave Henderson <dhenderson@gmail.com> * Fix the varcheck lint errors Signed-off-by: Dave Henderson <dhenderson@gmail.com> * Fix the errcheck lint errors Signed-off-by: Dave Henderson <dhenderson@gmail.com> * Fix the bodyclose lint errors Signed-off-by: Dave Henderson <dhenderson@gmail.com> * Fix the deadcode lint errors Signed-off-by: Dave Henderson <dhenderson@gmail.com> * Fix the unused lint errors Signed-off-by: Dave Henderson <dhenderson@gmail.com> * Fix the gosec lint errors Signed-off-by: Dave Henderson <dhenderson@gmail.com> * Fix the gosimple lint errors Signed-off-by: Dave Henderson <dhenderson@gmail.com> * Fix the ineffassign lint errors Signed-off-by: Dave Henderson <dhenderson@gmail.com> * Fix the staticcheck lint errors Signed-off-by: Dave Henderson <dhenderson@gmail.com> * Revert the misspell change, use a neutral English Signed-off-by: Dave Henderson <dhenderson@gmail.com> * Remove broken golangci-lint CI job Signed-off-by: Dave Henderson <dhenderson@gmail.com> * Re-add errantly-removed weakrand initialization Signed-off-by: Dave Henderson <dhenderson@gmail.com> * don't break the loop and return * Removing extra handling for null rootKey * unignore RegisterModule/RegisterAdapter Co-authored-by: Mohammed Al Sahaf <msaa1990@gmail.com> * single-line log message Co-authored-by: Matt Holt <mholt@users.noreply.github.com> * Fix lint after a1808b0dbf209c615e438a496d257ce5e3acdce2 was merged Signed-off-by: Dave Henderson <dhenderson@gmail.com> * Revert ticker change, ignore it instead Signed-off-by: Dave Henderson <dhenderson@gmail.com> * Ignore some of the write errors Signed-off-by: Dave Henderson <dhenderson@gmail.com> * Remove blank line Signed-off-by: Dave Henderson <dhenderson@gmail.com> * Use lifetime Signed-off-by: Dave Henderson <dhenderson@gmail.com> * close immediately Co-authored-by: Matt Holt <mholt@users.noreply.github.com> * Preallocate configVals Signed-off-by: Dave Henderson <dhenderson@gmail.com> * Update modules/caddytls/distributedstek/distributedstek.go Co-authored-by: Mohammed Al Sahaf <msaa1990@gmail.com> Co-authored-by: Matt Holt <mholt@users.noreply.github.com>
2020-11-20reverseproxy: Logging for streaming and upgrades (#3689)Francis Lavoie
* reverseproxy: Enable error logging for connection upgrades * reverseproxy: Change some of the error levels, unsugar * Use unsugared log in one spot Co-authored-by: Matthew Holt <mholt@users.noreply.github.com>
2020-11-20reverseproxy: Implement cookie hash selection policy (#3809)Dimitri Masson
* add CookieHashSelection for session affinity * add CookieHashSelection for session affinity * register module * reverse_proxy: Add and fix cookie lb_policy * reverse_proxy: Manage hmac.write error on cookie hash selection * reverse_proxy: fix some comments * reverse_proxy: variable `cookieValue` is inside the else block * reverse_proxy: Abstract duplicate nuanced logic of reservoir sampling into a function * reverse_proxy: Set a default secret is indeed useless * reverse_proxy: add configuration syntax for cookie lb_policy * reverse_proxy: doc typo and improvement Co-authored-by: utick <123liuqingdong@163.com>
2020-11-20headers: Support default header values in Caddyfile with '?' (#3807)Gilbert Gilb's
* implement default values for header directive closes #3804 * remove `set_default` header op and rely on "require" handler instead This has the following advantages over the previous attempt: - It does not introduce a new operation for headers, but rather nicely extends over an existing feature in the header handler. - It removes the need to specify the header as "deferred" because it is already implicitely deferred by the use of the require handler. This should be less confusing to the user. * add integration test for header directive in caddyfile * bubble up errors when parsing caddyfile header directive * don't export unnecessarily and don't canonicalize headers unnecessarily * fix response headers not passed in blocks * caddyfile: fix clash when using default header in block Each header is now set in a separate handler so that it doesn't clash with other headers set/added/deleted in the same block. * caddyhttp: New idle_timeout default of 5m * reverseproxy: fix random hangs on http/2 requests with server push (#3875) see https://github.com/golang/go/issues/42534 * Refactor and cleanup with improvements * More specific link Co-authored-by: Matthew Holt <mholt@users.noreply.github.com> Co-authored-by: Денис Телюх <telyukh.denis@gmail.com>
2020-11-16reverse_proxy: Fix random_choose selection policy (#3811)Dimitri Masson
2020-11-02fastcgi: Add timeouts support to Caddyfile adapter (#3842)Francis Lavoie
* fastcgi: Add timeouts support to Caddyfile adapter * fastcgi: Use tabs instead of spaces
2020-11-02reverseproxy: Wire up some http transport options in Caddyfile (#3843)Francis Lavoie
2020-10-30reverseproxy: Add max_idle_conns_per_host; fix godocs (#3829)Francis Lavoie
2020-10-29reverseproxy: caddyfile: Don't add port if upstream has placeholder (#3819)Jason McCallister
* check if the host is a placeholder * Update modules/caddyhttp/reverseproxy/caddyfile.go Co-authored-by: Matt Holt <mholt@users.noreply.github.com>
2020-10-13reverseproxy: Fix dial placeholders, SRV, active health checks (#3780)Matt Holt
* reverseproxy: Fix dial placeholders, SRV, active health checks Supercedes #3776 Partially reverts or updates #3756, #3693, and #3695 * reverseproxy: add integration tests Co-authored-by: Mohammed Al Sahaf <msaa1990@gmail.com>
2020-10-01reverseproxy: allow no port for SRV; fix regression in d55d50b (#3756)Mohammed Al Sahaf
* reverseproxy: fix breakage in handling SRV lookup introduced by 3695 * reverseproxy: validate against incompatible config options with lookup_srv * reverseproxy: add integration test cases for validations involving lookup_srv * reverseproxy: clarify the reason for skipping an iteration * grammar.. Oxford comma Co-authored-by: Francis Lavoie <lavofr@gmail.com> Co-authored-by: Francis Lavoie <lavofr@gmail.com> Fixes #3753
2020-10-01reverseproxy: Change 500 error to 502 for lookup_srv config (#3771)Aleksei
Fixes #3763
2020-10-01reverseproxy: default to port 80 for upstreams in Caddyfile (#3772)Mohammed Al Sahaf
* reverseproxy: default to port 80 for port-less upstream dial addresses * reverseproxy: replace integration test with an adapter test Fixes #3761
2020-10-01reverseproxy: Ignore RFC 1521 params in Content-Type header (#3758)Christian Flach
Without this change, a Content-Type header like "text/event-stream;charset=utf-8" would not trigger the immediate flushing. Fixes #3765
2020-09-17reverseproxy: Correct alternate port for active health checks (#3693)Mohammed Al Sahaf
* reverseproxy: construct active health-check transport from scratch (Fixes #3691) * reverseproxy: do upstream health-check on the correct alternative port * reverseproxy: add integration test for health-check on alternative port * reverseproxy: put back the custom transport for health-check http client * reverseproxy: cleanup health-check integration test * reverseproxy: fix health-check of unix socket upstreams * reverseproxy: skip unix socket tests on Windows * tabs > spaces Co-authored-by: Francis Lavoie <lavofr@gmail.com> * make the linter (and @francislavoie) happy Co-authored-by: Francis Lavoie <lavofr@gmail.com> * One more lint fix Co-authored-by: Francis Lavoie <lavofr@gmail.com> Co-authored-by: Francis Lavoie <lavofr@gmail.com>
2020-09-16reverseproxy: Enforce port range size of 1 at provision (#3695)Mohammed Al Sahaf
* reverse_proxy: ensure upstream address has port range of only 1 * reverse_proxy: don't log the error if upstream range size is more than 1
2020-09-08reverseproxy: Add `buffer_requests` option to `reverse_proxy` directive (#3710)Francis Lavoie
2020-08-31reverseproxy: Abort active health checks on context cancellationMatthew Holt
2020-08-20ci: Upgrade to Go 1.15 (#3642)Francis Lavoie
* ci: Try Go 1.15 RC1 out of curiosity * Go 1.15 was released; let's try it * Update to latest quic-go * Attempt at fixing broken test Co-authored-by: Matthew Holt <mholt@users.noreply.github.com>
2020-08-17reverseproxy: Make default buffer size constMatthew Holt
2020-08-17reverseproxy: Support header selection policy on `Host` field (#3653)Francis Lavoie
2020-08-07reverseproxy: Minor fixes and cleanupMatthew Holt
Now use context cancellation to stop active health checker, which is simpler than and just as effective as using a separate stop channel.
2020-08-03reverse_proxy: fix bidirectional streams with encodings (fix #3606) (#3620)Kevin Lin
* reverse_proxy: fix bi-h2stream breaking gzip encode handle(#3606). * reverse_proxy: check http version of both sides to avoid affecting non-h2 upstream. * Minor cleanup; apply review suggestions Co-authored-by: Matthew Holt <mholt@users.noreply.github.com>
2020-07-31admin,templates,core: Minor enhancements and error handling (#3607)Bart
* fix 2 possible bugs * handle unhandled errors
2020-07-31httpcaddyfile: Add `compression` to http transport config (#3624)Ye Zhihao
* httpcaddyfile: Add `compression` to http transport config * Add caddyfile adapt test for typical h2c setup
2020-07-20fastcgi: Add resolve_root_symlink (#3587)Manuel Dalla Lana
2020-07-20reverse_proxy: flush HTTP/2 response when ContentLength is unknown (#3561)Kevin Lin
* reverse proxy: Support more h2 stream scenarios (#3556) * reverse proxy: add integration test for better h2 stream (#3556) * reverse proxy: adjust comments as francislavoie suggests * link to issue #3556 in the comments
2020-07-18reverseproxy: add support for custom DNS resolver (#3479)Mohammed Al Sahaf
* reverse proxy: add support for custom resolver * reverse proxy: don't pollute the global resolver with bootstrap resolver setup * Improve documentation of reverseproxy.UpstreamResolver fields Co-authored-by: Matt Holt <mholt@users.noreply.github.com> * reverse proxy: clarify the name resolution conventions of upstream resolvers and bootstrap resolver * remove support for bootstraper of resolver * godoc and code-style changes Co-authored-by: Matt Holt <mholt@users.noreply.github.com>
2020-07-17reverseproxy: Restore request's original host and header (fix #3509)Matthew Holt
We already restore them within the retry loop, but after successful proxy we didn't reset them, so as handlers bubble back up, they would see the values used for proxying. Thanks to @ziddey for identifying the cause.
2020-07-17fastcgi: Ensure leading slash, omit SERVER_PORT if empty for compliance (#3570)Francis Lavoie
See https://tools.ietf.org/html/rfc3875#section-4.1.13 for SCRIPT_NAME requiring leading slash See https://tools.ietf.org/html/rfc3875#section-4.1.15 for SERVER_PORT requiring omission if empty
2020-07-17fastcgi: Fill REMOTE_USER with http.auth.user.id placeholder (#3577)Francis Lavoie
Completing a TODO!
2020-07-17reverseproxy: Fix Caddyfile parsing for empty non-http transports (#3576)Francis Lavoie
* reverseproxy: Fix Caddyfile parsing for empty non-http transports * Update modules/caddyhttp/reverseproxy/caddyfile.go Co-authored-by: Matt Holt <mholt@users.noreply.github.com> * Rename empty transport test Co-authored-by: Matt Holt <mholt@users.noreply.github.com>
2020-06-22fastcgi: Fix php_fastcgi matcher regression (#3512)Francis Lavoie
2020-06-22chore: Fix typo in reverse-proxy subcommand help message (#3513)Xiuming Chen
2020-06-12fastcgi: Make sure splitPos handles empty SplitPath correctly (#3491)Wynn Wolf Arbor
In commit f2ce81c, support for multiple path splitters was added. The type of SplitPath changed from string to []string, and splitPos was changed to loop through all values in SplitPath. Before that commit, if SplitPath was empty, strings.Index returned 0 and PATH_INFO was set correctly in buildEnv. Currently, however, splitPos returns -1 for empty values of SplitPath, behaving as if a split position could not be found at all. PATH_INFO is then never set in buildEnv and remains empty. Restore the old behaviour by explicitly checking whether SplitPath is empty and returning 0 in splitPos. Closes #3490
2020-06-11reverseproxy: Close websocket conn if req context cancelsMatthew Holt
This is a recent patch in the Go standard library
2020-06-08reverseproxy: Add Caddyfile support for ClientCertificateAutomateMatthew Holt
2020-06-04reverseproxy: Enable changing only the status code (close #2920)Matthew Holt
2020-05-27reverseproxy: Pool copy buffers (minor optimization)Matthew Holt
2020-05-27reverseproxy: Enable response interception (#1447, #2920)Matthew Holt
It's a raw, low-level implementation for now, but it's very flexible. More sugar-coating can be added after error handling is more developed.
2020-05-26reverseproxy: Improve error message when using scheme+placeholder (#3393)Francis Lavoie
* reverseproxy: Improve error message when using scheme+placeholder * reverseproxy: Simplify error message Co-authored-by: Matt Holt <mholt@users.noreply.github.com> Co-authored-by: Matt Holt <mholt@users.noreply.github.com>
2020-05-26reverseproxy: Fix https active health checks #3450 (#3451)AndyBan
2020-05-21cmd: hash-password: Fix broken terminal state on SIGINT (#3416)Francis Lavoie
* caddyauth: Fix hash-password broken terminal state on SIGINT * caddycmd: Move TrapSignals calls to only subcommands that run long
2020-05-20reverseproxy: Don't overwrite existing X-Forwarded-Proto headerMatthew Holt
Correct behavior is not well defined because this is a non-standard header field. This could be a "hop-by-hop" field much like X-Forwarded-For is, but even our X-Forwarded-For implementation preserves prior entries. Or, it could be best to preserve the original value from the first hop, representing the protocol as facing the client. Let's try it the other way for a bit and see how it goes. See https://caddy.community/t/caddy2-w-wordpress-behind-nginx-reverse-proxy/8174/3?u=matt
2020-05-18reverseproxy: Make debug log safe if error occursMatthew Holt
2020-05-18reverseproxy: Emit debug log before checking error (#3425)Matthew Holt
This way the upstream request will always be available even if it failed
2020-05-18fastcgi: `php_fastcgi` subdirectives to override shortcut behaviour (#3255)Francis Lavoie
* fastcgi: Add new php_fastcgi subdirectives to override the shortcut * fastcgi: Support "index off" to disable redir and try_files * fastcgi: Remove whitespace to satisfy linter * fastcgi: Run gofmt * fastcgi: Make a new dispenser instead of using rewind * fastcgi: Some fmt * fastcgi: Add a couple adapt tests * fastcgi: Clean up for loops * fastcgi: Move adapt tests to separate files
2020-05-13reverseproxy: Apply response header ops before copying it (fix #3382) (#3401)Matt Holt
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