156 lines
3 KiB
Go
156 lines
3 KiB
Go
package sqlite
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import (
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"context"
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"crypto/sha1"
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"database/sql"
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"encoding/json"
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"errors"
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"fmt"
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"io"
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"path"
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"time"
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"github.com/ihexxa/quickshare/src/db"
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)
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func (st *SQLiteStore) generateShareID(payload string) (string, error) {
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if len(payload) == 0 {
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return "", db.ErrEmpty
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}
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msg := fmt.Sprintf("%s-%d", payload, time.Now().Unix())
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h := sha1.New()
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_, err := io.WriteString(h, msg)
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if err != nil {
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return "", err
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}
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return fmt.Sprintf("%x", h.Sum(nil))[:7], nil
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}
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func (st *SQLiteStore) IsSharing(ctx context.Context, userId uint64, dirPath string) bool {
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st.RLock()
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defer st.RUnlock()
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// TODO: differentiate error and not exist
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info, err := st.getFileInfo(ctx, userId, dirPath)
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if err != nil {
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return false
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}
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return info.ShareID != ""
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}
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func (st *SQLiteStore) GetSharingDir(ctx context.Context, hashID string) (string, error) {
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st.RLock()
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defer st.RUnlock()
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var sharedPath string
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err := st.db.QueryRowContext(
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ctx,
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`select path
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from t_file_info
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where share_id=?
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`,
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hashID,
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).Scan(
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&sharedPath,
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)
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if err != nil {
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if errors.Is(err, sql.ErrNoRows) {
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return "", db.ErrSharingNotFound
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}
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return "", err
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}
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return sharedPath, nil
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}
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func (st *SQLiteStore) AddSharing(ctx context.Context, userId uint64, dirPath string) error {
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st.Lock()
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defer st.Unlock()
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shareID, err := st.generateShareID(dirPath)
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if err != nil {
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return err
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}
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_, err = st.getFileInfo(ctx, userId, dirPath)
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if err != nil && !errors.Is(err, db.ErrFileInfoNotFound) {
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return err
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}
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if errors.Is(err, db.ErrFileInfoNotFound) {
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// insert new
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parentPath, name := path.Split(dirPath)
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info := &db.FileInfo{Shared: true} // TODO: deprecate shared in info
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infoStr, err := json.Marshal(info)
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if err != nil {
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return err
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}
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_, err = st.db.ExecContext(
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ctx,
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`insert into t_file_info
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(path, user, parent, name, is_dir, size, share_id, info) values (?, ?, ?, ?, ?, ?, ?, ?)`,
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dirPath, userId, parentPath, name, true, 0, shareID, infoStr,
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)
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return err
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}
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_, err = st.db.ExecContext(
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ctx,
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`update t_file_info
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set share_id=?
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where path=? and user=?`,
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shareID, dirPath, userId,
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)
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return err
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}
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func (st *SQLiteStore) DelSharing(ctx context.Context, userId uint64, dirPath string) error {
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st.Lock()
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defer st.Unlock()
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_, err := st.db.ExecContext(
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ctx,
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`update t_file_info
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set share_id=''
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where path=? and user=?`,
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dirPath,
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userId,
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)
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return err
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}
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func (st *SQLiteStore) ListUserSharings(ctx context.Context, userId uint64) (map[string]string, error) {
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st.RLock()
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defer st.RUnlock()
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rows, err := st.db.QueryContext(
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ctx,
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`select path, share_id
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from t_file_info
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where user=? and share_id <> ''`,
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userId,
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)
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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var pathname, shareId string
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pathToShareId := map[string]string{}
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for rows.Next() {
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err = rows.Scan(&pathname, &shareId)
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if err != nil {
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return nil, err
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}
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pathToShareId[pathname] = shareId
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}
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if rows.Err() != nil {
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return nil, rows.Err()
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}
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return pathToShareId, nil
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}
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