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core: small cleanup (#877)

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Add some docs about normalize.Host and normalize.Name. They are used
correctly in the middleware even though they are somewhat confusing,
esp when you copy from ServerBlockKeys in your middleware.
This commit is contained in:
Miek Gieben
2017-08-10 05:30:18 -07:00
committed by GitHub
parent 28447234b1
commit 3654361be2
7 changed files with 326 additions and 341 deletions
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64
middleware/hosts/setup.go
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@@ -41,46 +41,44 @@ func hostsParse(c *caddy.Controller) (Hosts, error) {
config := dnsserver.GetConfig(c)
for c.Next() {
if c.Val() == "hosts" { // hosts [FILE] [ZONES...]
args := c.RemainingArgs()
if len(args) >= 1 {
h.path = args[0]
args = args[1:]
args := c.RemainingArgs()
if len(args) >= 1 {
h.path = args[0]
args = args[1:]
if !path.IsAbs(h.path) && config.Root != "" {
h.path = path.Join(config.Root, h.path)
}
_, err := os.Stat(h.path)
if err != nil {
if os.IsNotExist(err) {
log.Printf("[WARNING] File does not exist: %s", h.path)
} else {
return h, c.Errf("unable to access hosts file '%s': %v", h.path, err)
}
if !path.IsAbs(h.path) && config.Root != "" {
h.path = path.Join(config.Root, h.path)
}
_, err := os.Stat(h.path)
if err != nil {
if os.IsNotExist(err) {
log.Printf("[WARNING] File does not exist: %s", h.path)
} else {
return h, c.Errf("unable to access hosts file '%s': %v", h.path, err)
}
}
}
origins := make([]string, len(c.ServerBlockKeys))
copy(origins, c.ServerBlockKeys)
if len(args) > 0 {
origins = args
}
origins := make([]string, len(c.ServerBlockKeys))
copy(origins, c.ServerBlockKeys)
if len(args) > 0 {
origins = args
}
for i := range origins {
origins[i] = middleware.Host(origins[i]).Normalize()
}
h.Origins = origins
for i := range origins {
origins[i] = middleware.Host(origins[i]).Normalize()
}
h.Origins = origins
for c.NextBlock() {
switch c.Val() {
case "fallthrough":
args := c.RemainingArgs()
if len(args) == 0 {
h.Fallthrough = true
continue
}
return h, c.ArgErr()
for c.NextBlock() {
switch c.Val() {
case "fallthrough":
args := c.RemainingArgs()
if len(args) == 0 {
h.Fallthrough = true
continue
}
return h, c.ArgErr()
}
}
}