68 lines
1.8 KiB
Go
68 lines
1.8 KiB
Go
// Copyright (c) 2026 Probo Inc <hello@getprobo.com>.
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice appear in all copies.
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//
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// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
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// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
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// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
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// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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// PERFORMANCE OF THIS SOFTWARE.
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package pgconn
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import (
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"fmt"
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"net"
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"net/url"
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"go.gearno.de/kit/pg"
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)
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func NewPgClientFromDSN(dsn string) (*pg.Client, error) {
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u, err := url.Parse(dsn)
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if err != nil {
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return nil, fmt.Errorf("cannot parse DSN: %w", err)
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}
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var opts []pg.Option
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switch u.Query().Get("sslmode") {
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case "", "disable":
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case "require":
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opts = append(opts, pg.WithUnsecureTLS())
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case "prefer":
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return nil, fmt.Errorf(
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"unsupported sslmode %q (prefer fallback semantics are not supported)",
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u.Query().Get("sslmode"),
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)
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default:
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return nil, fmt.Errorf("unsupported sslmode %q", u.Query().Get("sslmode"))
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}
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if u.Host != "" {
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host := u.Host
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if u.Port() == "" {
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host = net.JoinHostPort(u.Hostname(), "5432")
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}
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opts = append(opts, pg.WithAddr(host))
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}
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if u.User != nil {
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opts = append(opts, pg.WithUser(u.User.Username()))
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if password, ok := u.User.Password(); ok {
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opts = append(opts, pg.WithPassword(password))
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}
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}
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if len(u.Path) > 1 {
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opts = append(opts, pg.WithDatabase(u.Path[1:]))
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}
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return pg.NewClient(opts...)
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}
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