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package pgconn
import (
"os"
"os/user"
"path/filepath"
"strings"
)
func defaultSettings() map[string]string {
settings := make(map[string]string)
settings["host"] = defaultHost()
settings["port"] = "5432"
// Default to the OS user name. Purposely ignoring err getting user name from
// OS. The client application will simply have to specify the user in that
// case (which they typically will be doing anyway).
user, err := user.Current()
appData := os.Getenv("APPDATA")
if err == nil {
// Windows gives us the username here as `DOMAIN\user` or `LOCALPCNAME\user`,
// but the libpq default is just the `user` portion, so we strip off the first part.
username := user.Username
if strings.Contains(username, "\\") {
username = username[strings.LastIndex(username, "\\")+1:]
}
settings["user"] = username
settings["passfile"] = filepath.Join(appData, "postgresql", "pgpass.conf")
settings["servicefile"] = filepath.Join(user.HomeDir, ".pg_service.conf")
sslcert := filepath.Join(appData, "postgresql", "postgresql.crt")
sslkey := filepath.Join(appData, "postgresql", "postgresql.key")
if _, err := os.Stat(sslcert); err == nil {
if _, err := os.Stat(sslkey); err == nil {
// Both the cert and key must be present to use them, or do not use either
settings["sslcert"] = sslcert
settings["sslkey"] = sslkey
}
}
sslrootcert := filepath.Join(appData, "postgresql", "root.crt")
if _, err := os.Stat(sslrootcert); err == nil {
settings["sslrootcert"] = sslrootcert
}
}
settings["target_session_attrs"] = "any"
return settings
}
// defaultHost attempts to mimic libpq's default host. libpq uses the default unix socket location on *nix and localhost
// on Windows. The default socket location is compiled into libpq. Since pgx does not have access to that default it
// checks the existence of common locations.
func defaultHost() string {
return "localhost"
}
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