mirror of
https://github.com/pomerium/pomerium.git
synced 2025-04-30 02:46:30 +02:00
5edfa7b03f
- telemetry/tace: add traces throughout code - telemetry/metrics: nest metrics and trace under telemetry - telemetry/tace: add service name span to HTTPMetricsHandler. - telemetry/metrics: removed chain dependency middleware_tests. - telemetry/metrics: wrap and encapsulate variatic view registration. - telemetry/tace: add jaeger support for tracing. - cmd/pomerium: move `parseOptions` to internal/config. - cmd/pomerium: offload server handling to httputil and sub pkgs. - httputil: standardize creation/shutdown of http listeners. - httputil: prefer curve X25519 to P256 when negotiating TLS. - fileutil: use standardized Getw Signed-off-by: Bobby DeSimone <bobbydesimone@gmail.com>
46 lines
1.1 KiB
Go
46 lines
1.1 KiB
Go
package fileutil // import "github.com/pomerium/pomerium/internal/fileutil"
|
|
|
|
import (
|
|
"errors"
|
|
"os"
|
|
)
|
|
|
|
// IsReadableFile reports whether the file exists and is readable.
|
|
// If the error is non-nil, it means there might be a file or directory
|
|
// with that name but we cannot read it.
|
|
//
|
|
// Adapted from the upspin.io source code.
|
|
func IsReadableFile(path string) (bool, error) {
|
|
// Is it stattable and is it a plain file?
|
|
info, err := os.Stat(path)
|
|
if err != nil {
|
|
if os.IsNotExist(err) {
|
|
return false, nil // Item does not exist.
|
|
}
|
|
return false, err // Item is problematic.
|
|
}
|
|
if info.IsDir() {
|
|
return false, errors.New("is directory")
|
|
}
|
|
// Is it readable?
|
|
fd, err := os.Open(path)
|
|
if err != nil {
|
|
return false, errors.New("permission denied")
|
|
}
|
|
fd.Close()
|
|
return true, nil // Item exists and is readable.
|
|
}
|
|
|
|
// Getwd returns a rooted path name corresponding to the
|
|
// current directory. If the current directory can be
|
|
// reached via multiple paths (due to symbolic links),
|
|
// Getwd may return any one of them.
|
|
//
|
|
// On failure, will return "."
|
|
func Getwd() string {
|
|
p, err := os.Getwd()
|
|
if err != nil {
|
|
return "."
|
|
}
|
|
return p
|
|
}
|