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2020-02-27Refactor ExtractMatcherSet()Matthew Holt
2020-02-27Fix typos (#3087)Success Go
* Fix typo * Fix typo, thanks for Spell Checker under VS Code
2020-01-16httpcaddyfile: Fix nested blocks; add handle directive; refactorMatthew Holt
The fix that was initially put forth in #2971 was good, but only for up to one layer of nesting. The real problem was that we forgot to increment nesting when already inside a block if we saw another open curly brace that opens another block (dispenser.go L157-158). The new 'handle' directive allows HTTP Caddyfiles to be designed more like nginx location blocks if the user prefers. Inside a handle block, directives are still ordered just like they are outside of them, but handler blocks at a given level of nesting are mutually exclusive. This work benefitted from some refactoring and cleanup.
2020-01-11http: A little more polish on rewrite handler and try_files directiveMatthew Holt
2020-01-10http: Remove {...query_string} placeholder, in favor of {...query}Matthew Holt
I am not sure if the query_string one is necessary or useful yet. We can always add it later if needed.
2020-01-09Update docs for couple of Caddyfile directivesMatthew Holt
2020-01-09http: Change routes to sequential matcher evaluation (#2967)Matt Holt
Previously, all matchers in a route would be evaluated before any handlers were executed, and a composite route of the matching routes would be created. This made rewrites especially tricky, since the only way to defer later matchers' evaluation was to wrap them in a subroute, or to invoke a "rehandle" which often caused bugs. Instead, this new sequential design evaluates each route's matchers then its handlers in lock-step; matcher-handlers-matcher-handlers... If the first matching route consists of a rewrite, then the second route will be evaluated against the rewritten request, rather than the original one, and so on. This should do away with any need for rehandling. I've also taken this opportunity to avoid adding new values to the request context in the handler chain, as this creates a copy of the Request struct, which may possibly lead to bugs like it has in the past (see PR #1542, PR #1481, and maybe issue #2463). We now add all the expected context values in the top-level handler at the server, then any new values can be added to the variable table via the VarsCtxKey context key, or just the GetVar/SetVar functions. In particular, we are using this facility to convey dial information in the reverse proxy. Had to be careful in one place as the middleware compilation logic has changed, and moved a bit. We no longer compile a middleware chain per- request; instead, we can compile it at provision-time, and defer only the evaluation of matchers to request-time, which should slightly improve performance. Doing this, however, we take advantage of multiple function closures, and we also changed the use of HandlerFunc (function pointer) to Handler (interface)... this led to a situation where, if we aren't careful, allows one request routed a certain way to permanently change the "next" handler for all/most other requests! We avoid this by making a copy of the interface value (which is a lightweight pointer copy) and using exclusively that within our wrapped handlers. This way, the original stack frame is preserved in a "read-only" fashion. The comments in the code describe this phenomenon. This may very well be a breaking change for some configurations, however I do not expect it to impact many people. I will make it clear in the release notes that this change has occurred.
2019-12-29Export Replacer and use concrete type instead of interfaceMatthew Holt
The interface was only making things difficult; a concrete pointer is probably best.
2019-12-28fastcgi: Set SERVER_SOFTWARE, _NAME, and _PORT properly (fixes #2952)Matthew Holt
2019-12-23Improve godocs all aroundMatthew Holt
These will be used in the new automated documentation system
2019-12-17http: Patch path matcher to ignore dots and spaces (#2917)Matthew Holt
(Try saying "patch path match" ten times fast)
2019-12-12try_files, rewrite: allow query string in try_files (fix #2891)Matthew Holt
Also some minor cleanup/improvements discovered along the way
2019-12-10v2: Module documentation; refactor LoadModule(); new caddy struct tags (#2924)Matt Holt
This commit goes a long way toward making automated documentation of Caddy config and Caddy modules possible. It's a broad, sweeping change, but mostly internal. It allows us to automatically generate docs for all Caddy modules (including future third-party ones) and make them viewable on a web page; it also doubles as godoc comments. As such, this commit makes significant progress in migrating the docs from our temporary wiki page toward our new website which is still under construction. With this change, all host modules will use ctx.LoadModule() and pass in both the struct pointer and the field name as a string. This allows the reflect package to read the struct tag from that field so that it can get the necessary information like the module namespace and the inline key. This has the nice side-effect of unifying the code and documentation. It also simplifies module loading, and handles several variations on field types for raw module fields (i.e. variations on json.RawMessage, such as arrays and maps). I also renamed ModuleInfo.Name -> ModuleInfo.ID, to make it clear that the ID is the "full name" which includes both the module namespace and the name. This clarity is helpful when describing module hierarchy. As of this change, Caddy modules are no longer an experimental design. I think the architecture is good enough to go forward.
2019-10-28caddyhttp: Minor cleanup and fix nil pointer deref in caddyfile adapterMatthew Holt
2019-10-28v2: Logging! (#2831)Matt Holt
* logging: Initial implementation * logging: More encoder formats, better defaults * logging: Fix repetition bug with FilterEncoder; add more presets * logging: DiscardWriter; delete or no-op logs that discard their output * logging: Add http.handlers.log module; enhance Replacer methods The Replacer interface has new methods to customize how to handle empty or unrecognized placeholders. Closes #2815. * logging: Overhaul HTTP logging, fix bugs, improve filtering, etc. * logging: General cleanup, begin transitioning to using new loggers * Fixes after merge conflict
2019-10-10Miscellaneous cleanups / commentsMatthew Holt
2019-09-17fastcgi: Implement / redirect for index.php with php_fastcgi directive (#2754)Matt Holt
* fastcgi: Implement / redirect for index.php with php_fastcgi directive See #2752 and https://caddy.community/t/v2-redirect-path-to-path-index-php-with-assets/6196?u=matt * caddyhttp: MatchNegate implements json.Marshaler * fastcgi: Add /index.php element to try_files matcher * fastcgi: Make /index.php redirect permanent
2019-09-10caddyfile: Improve Dispenser.NextBlock() to support nestingMatthew Holt
2019-09-10New 'php_fastcgi' directive for convenient PHP+FastCGI reverse proxyMatthew Holt
2019-09-10fastcgi: Make EnvVars a map instead of a sliceMatthew Holt
2019-09-09Migrate some selection policy tests over to v2Matthew Holt
2019-09-09reverse_proxy: Caddyfile integration (and fix blocks in Dispenser)Matthew Holt
2019-09-06Various fixes/tweaks to HTTP placeholder variables and file matchingMatthew Holt
- Rename http.var.* -> http.vars.* to be more consistent - Prefixing a path matcher with * now invokes simple suffix matching - Handlers and matchers that need a root path default to {http.vars.root} - Clean replacer output on the file matcher's file selection suffix
2019-09-06fastcgi: Use request context as base, not a new oneMatthew Holt
2019-09-05fastcgi: Set default root path; add interface guardsMatthew Holt
2019-09-05Add original URI to request context; implement into fastcgi envMatthew Holt
2019-09-05Reconcile upstream dial addresses and request host/URL informationMatthew Holt
My goodness that was complicated Blessed be request.Context Sort of
2019-09-02reverse_proxy: WIP refactor and support for FastCGIMatthew Holt