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fastcgi: Implement try_files override in Caddyfile directive (#4347)

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Francis Lavoie 2021-09-17 10:23:06 -04:00 committed by GitHub
parent 907e2d8d3a
commit 3f2c3ecf85
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2 changed files with 155 additions and 11 deletions
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124
caddytest/integration/caddyfile_adapt/php_fastcgi_try_files_override.txt Normal file
View file

@ -0,0 +1,124 @@
:8884
php_fastcgi localhost:9000 {
# some php_fastcgi-specific subdirectives
split .php .php5
env VAR1 value1
env VAR2 value2
root /var/www
try_files {path} {path}/index.php =404
dial_timeout 3s
read_timeout 10s
write_timeout 20s
# passed through to reverse_proxy (directive order doesn't matter!)
lb_policy random
}
----------
{
"apps": {
"http": {
"servers": {
"srv0": {
"listen": [
":8884"
],
"routes": [
{
"match": [
{
"file": {
"try_files": [
"{http.request.uri.path}/index.php"
]
},
"not": [
{
"path": [
"*/"
]
}
]
}
],
"handle": [
{
"handler": "static_response",
"headers": {
"Location": [
"{http.request.uri.path}/"
]
},
"status_code": 308
}
]
},
{
"match": [
{
"file": {
"try_files": [
"{http.request.uri.path}",
"{http.request.uri.path}/index.php",
"=404"
],
"split_path": [
".php",
".php5"
]
}
}
],
"handle": [
{
"handler": "rewrite",
"uri": "{http.matchers.file.relative}"
}
]
},
{
"match": [
{
"path": [
"*.php",
"*.php5"
]
}
],
"handle": [
{
"handler": "reverse_proxy",
"load_balancing": {
"selection_policy": {
"policy": "random"
}
},
"transport": {
"dial_timeout": 3000000000,
"env": {
"VAR1": "value1",
"VAR2": "value2"
},
"protocol": "fastcgi",
"read_timeout": 10000000000,
"root": "/var/www",
"split_path": [
".php",
".php5"
],
"write_timeout": 20000000000
},
"upstreams": [
{
"dial": "localhost:9000"
}
]
}
]
}
]
}
}
}
}
}

40
modules/caddyhttp/reverseproxy/fastcgi/caddyfile.go
View file

@ -124,21 +124,22 @@ func (t *Transport) UnmarshalCaddyfile(d *caddyfile.Dispenser) error {
//
// is equivalent to a route consisting of:
//
// # Add trailing slash for directory requests
// @canonicalPath {
// file {
// try_files {path}/index.php
// }
// not {
// path */
// }
// file {path}/index.php
// not path */
// }
// redir @canonicalPath {path}/ 308
//
// # If the requested file does not exist, try index files
// @indexFiles file {
// try_files {path} {path}/index.php index.php
//
// @phpFiles {
// path *.php
// split_path .php
// }
// rewrite @indexFiles {http.matchers.file.relative}
//
// # Proxy PHP files to the FastCGI responder
// @phpFiles path *.php
// reverse_proxy @phpFiles localhost:7777 {
// transport fastcgi {
// split .php
@ -172,6 +173,9 @@ func parsePHPFastCGI(h httpcaddyfile.Helper) ([]httpcaddyfile.ConfigValue, error
// set the default index file for the try_files rewrites
indexFile := "index.php"
// set up for explicitly overriding try_files
tryFiles := []string{}
// if the user specified a matcher token, use that
// matcher in a route that wraps both of our routes;
// either way, strip the matcher token and pass
@ -237,6 +241,17 @@ func parsePHPFastCGI(h httpcaddyfile.Helper) ([]httpcaddyfile.ConfigValue, error
}
indexFile = args[0]
case "try_files":
args := dispenser.RemainingArgs()
dispenser.Delete()
for range args {
dispenser.Delete()
}
if len(args) < 1 {
return nil, dispenser.ArgErr()
}
tryFiles = args
case "resolve_root_symlink":
args := dispenser.RemainingArgs()
dispenser.Delete()
@ -318,10 +333,15 @@ func parsePHPFastCGI(h httpcaddyfile.Helper) ([]httpcaddyfile.ConfigValue, error
HandlersRaw: []json.RawMessage{caddyconfig.JSONModuleObject(redirHandler, "handler", "static_response", nil)},
}
// if tryFiles wasn't overridden, use a reasonable default
if len(tryFiles) == 0 {
tryFiles = []string{"{http.request.uri.path}", "{http.request.uri.path}/" + indexFile, indexFile}
}
// route to rewrite to PHP index file
rewriteMatcherSet := caddy.ModuleMap{
"file": h.JSON(fileserver.MatchFile{
TryFiles: []string{"{http.request.uri.path}", "{http.request.uri.path}/" + indexFile, indexFile},
TryFiles: tryFiles,
SplitPath: extensions,
}),
}