fixup! Add postgres support

docs/content/doc/setup/backups.md

@@ -42,7 +42,7 @@ You might be prompted for the password of the database user.
 To restore it, simply pipe it back into the `psql` command:
 
 {{< highlight bash >}}
-mysql -U <user> -h <db-host> <database> < vikunja-backup.sql
+psql -U <user> -h <db-host> <database> < vikunja-backup.sql
 {{< /highlight >}}
 
 For more information, please visit the [relevant PostgreSQL documentation](https://www.postgresql.org/docs/12/backup-dump.html).

docs/content/doc/setup/config.md

@@ -91,6 +91,9 @@ database:
   maxidleconnections: 50
   # The maximum lifetime of a single db connection in miliseconds.
   maxconnectionlifetime: 10000
+  # Secure connection mode. Only used with postgres.
+  # (see https://pkg.go.dev/github.com/lib/pq?tab=doc#hdr-Connection_String_Parameters)
+  sslmode: disable
 
 cache:
   # If cache is enabled or not

pkg/config/config.go

@@ -55,6 +55,7 @@ const (
 	DatabaseMaxOpenConnections    Key = `database.maxopenconnections`
 	DatabaseMaxIdleConnections    Key = `database.maxidleconnections`
 	DatabaseMaxConnectionLifetime Key = `database.maxconnectionlifetime`
+	DatabaseSslMode               Key = `database.sslmode`
 
 	CacheEnabled        Key = `cache.enabled`
 	CacheType           Key = `cache.type`
@@ -181,6 +182,7 @@ func InitDefaultConfig() {
 	DatabaseMaxOpenConnections.setDefault(100)
 	DatabaseMaxIdleConnections.setDefault(50)
 	DatabaseMaxConnectionLifetime.setDefault(10000)
+	DatabaseSslMode.setDefault("disable")
 
 	// Cacher
 	CacheEnabled.setDefault(false)

pkg/db/db.go

@@ -120,26 +120,29 @@ func initMysqlEngine() (engine *xorm.Engine, err error) {
 	return
 }
 
-func postgresConnStrAppend(connStr *strings.Builder, name string, value string) {
-	if name != "" {
-		value = strings.ReplaceAll(value, "\\", "\\\\")
-		value = strings.ReplaceAll(value, "'", "\\'")
-
-		if connStr.Len() > 0 {
-			connStr.WriteString(" ")
-		}
-		connStr.WriteString(fmt.Sprintf("%s='%s'", name, value))
-	}
-}
-
 func initPostgresEngine() (engine *xorm.Engine, err error) {
 	var connStr strings.Builder
 
 	// https://pkg.go.dev/github.com/lib/pq?tab=doc#hdr-Connection_String_Parameters
-	postgresConnStrAppend(&connStr, "user", config.DatabaseUser.GetString())
-	postgresConnStrAppend(&connStr, "password", config.DatabasePassword.GetString())
-	postgresConnStrAppend(&connStr, "host", config.DatabaseHost.GetString())
-	postgresConnStrAppend(&connStr, "dbname", config.DatabaseDatabase.GetString())
+	params := map[string]string{
+		"user":      config.DatabaseUser.GetString(),
+		"password":  config.DatabasePassword.GetString(),
+		"host":      config.DatabaseHost.GetString(),
+		"dbname":    config.DatabaseDatabase.GetString(),
+		"sslmode":   config.DatabaseSslMode.GetString(),
+	}
+
+	for name, value := range params {
+		if name != "" {
+			value = strings.ReplaceAll(value, "\\", "\\\\")
+			value = strings.ReplaceAll(value, "'", "\\'")
+
+			if connStr.Len() > 0 {
+				connStr.WriteString(" ")
+			}
+			connStr.WriteString(fmt.Sprintf("%s='%s'", name, value))
+		}
+	}
 
 	engine, err = xorm.NewEngine("postgres", connStr.String())
 	if err != nil {