116 lines
1.8 KiB
Go
116 lines
1.8 KiB
Go
package multiserver
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import (
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"database/sql"
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"strings"
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_ "github.com/mattn/go-sqlite3"
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)
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// encodePrivs encodes priv map into DB-ready string
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func encodePrivs(privs map[string]bool) string {
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lenP := 0
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for priv := range privs {
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if privs[priv] {
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lenP++
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}
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}
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ps := make([]string, lenP)
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i := 0
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for priv := range privs {
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if privs[priv] {
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ps[i] = priv
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i++
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}
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}
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r := strings.Join(ps, "|")
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return r
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}
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// decodePrivs decodes DB-ready string into priv map
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func decodePrivs(s string) map[string]bool {
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ps := strings.Split(s, "|")
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r := make(map[string]bool)
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for i := range ps {
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if ps[i] != "" {
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r[ps[i]] = true
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}
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}
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return r
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}
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// addPrivItem inserts a priv DB entry
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func addPrivItem(db *sql.DB, name string) error {
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sql_addPrivItem := `INSERT INTO privileges (
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name,
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privileges
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) VALUES (
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?,
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""
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);
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`
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stmt, err := db.Prepare(sql_addPrivItem)
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if err != nil {
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return err
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}
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defer stmt.Close()
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_, err = stmt.Exec(name)
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if err != nil {
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return err
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}
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return nil
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}
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// modPrivItem updates a priv DB entry
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func modPrivItem(db *sql.DB, name, privs string) error {
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sql_modPrivItem := `UPDATE privileges SET privileges = ? WHERE name = ?;`
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stmt, err := db.Prepare(sql_modPrivItem)
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if err != nil {
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return err
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}
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defer stmt.Close()
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_, err = stmt.Exec(privs, name)
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if err != nil {
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return err
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}
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return nil
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}
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// readPrivItem selects and reads a priv DB entry
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func readPrivItem(db *sql.DB, name string) (string, error) {
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sql_readPrivItem := `SELECT privileges FROM privileges WHERE name = ?;`
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stmt, err := db.Prepare(sql_readPrivItem)
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if err != nil {
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return "", err
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}
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defer stmt.Close()
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rows, err := stmt.Query(name)
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if err != nil {
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return "", err
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}
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var r string
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for rows.Next() {
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err = rows.Scan(&r)
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}
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return r, nil
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}
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