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65 lines
1.9 KiB
65 lines
1.9 KiB
// +build !windows
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package pgconn
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import (
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"os"
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"os/user"
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"path/filepath"
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)
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func defaultSettings() map[string]string {
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settings := make(map[string]string)
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settings["host"] = defaultHost()
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settings["port"] = "5432"
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// Default to the OS user name. Purposely ignoring err getting user name from
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// OS. The client application will simply have to specify the user in that
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// case (which they typically will be doing anyway).
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user, err := user.Current()
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if err == nil {
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settings["user"] = user.Username
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settings["passfile"] = filepath.Join(user.HomeDir, ".pgpass")
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settings["servicefile"] = filepath.Join(user.HomeDir, ".pg_service.conf")
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sslcert := filepath.Join(user.HomeDir, ".postgresql", "postgresql.crt")
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sslkey := filepath.Join(user.HomeDir, ".postgresql", "postgresql.key")
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if _, err := os.Stat(sslcert); err == nil {
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if _, err := os.Stat(sslkey); err == nil {
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// Both the cert and key must be present to use them, or do not use either
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settings["sslcert"] = sslcert
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settings["sslkey"] = sslkey
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}
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}
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sslrootcert := filepath.Join(user.HomeDir, ".postgresql", "root.crt")
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if _, err := os.Stat(sslrootcert); err == nil {
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settings["sslrootcert"] = sslrootcert
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}
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}
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settings["target_session_attrs"] = "any"
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settings["min_read_buffer_size"] = "8192"
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return settings
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}
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// defaultHost attempts to mimic libpq's default host. libpq uses the default unix socket location on *nix and localhost
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// on Windows. The default socket location is compiled into libpq. Since pgx does not have access to that default it
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// checks the existence of common locations.
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func defaultHost() string {
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candidatePaths := []string{
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"/var/run/postgresql", // Debian
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"/private/tmp", // OSX - homebrew
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"/tmp", // standard PostgreSQL
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}
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for _, path := range candidatePaths {
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if _, err := os.Stat(path); err == nil {
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return path
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}
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}
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return "localhost"
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}
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