157 lines
4.1 KiB
Go
157 lines
4.1 KiB
Go
package actions
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import (
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"time"
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"github.com/photoview/photoview/api/graphql/auth"
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"github.com/photoview/photoview/api/graphql/models"
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"github.com/photoview/photoview/api/utils"
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"github.com/pkg/errors"
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"golang.org/x/crypto/bcrypt"
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"gorm.io/gorm"
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)
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func AddMediaShare(db *gorm.DB, userID int, mediaID int, expire *time.Time, password *string) (*models.ShareToken, error) {
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var media models.Media
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var query string
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if db.Dialector.Name() == "postgres" {
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query = "EXISTS (SELECT * FROM user_albums WHERE user_albums.album_id = \"Album\".id AND user_albums.user_id = ?)"
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} else {
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query = "EXISTS (SELECT * FROM user_albums WHERE user_albums.album_id = Album.id AND user_albums.user_id = ?)"
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}
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err := db.Joins("Album").
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Where(query, userID).
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First(&media, mediaID).
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Error
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if err != nil {
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if errors.Is(err, gorm.ErrRecordNotFound) {
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return nil, auth.ErrUnauthorized
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} else {
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return nil, errors.Wrap(err, "failed to validate media owner with database")
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}
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}
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hashedPassword, err := hashSharePassword(password)
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if err != nil {
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return nil, err
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}
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shareToken := models.ShareToken{
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Value: utils.GenerateToken(),
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OwnerID: userID,
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Expire: expire,
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Password: hashedPassword,
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AlbumID: nil,
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MediaID: &mediaID,
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}
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if err := db.Create(&shareToken).Error; err != nil {
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return nil, errors.Wrap(err, "failed to insert new share token into database")
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}
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return &shareToken, nil
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}
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func AddAlbumShare(db *gorm.DB, user *models.User, albumID int, expire *time.Time, password *string) (*models.ShareToken, error) {
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var count int64
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err := db.
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Model(&models.Album{}).
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Where("EXISTS (SELECT * FROM user_albums WHERE user_albums.album_id = albums.id AND user_albums.user_id = ?)", user.ID).
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Count(&count).Error
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if err != nil {
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return nil, errors.Wrap(err, "failed to validate album owner with database")
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}
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if count == 0 {
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return nil, auth.ErrUnauthorized
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}
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var hashedPassword *string = nil
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if password != nil {
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hashedPassBytes, err := bcrypt.GenerateFromPassword([]byte(*password), 12)
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if err != nil {
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return nil, errors.Wrap(err, "failed to hash token password")
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}
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hashedStr := string(hashedPassBytes)
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hashedPassword = &hashedStr
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}
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shareToken := models.ShareToken{
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Value: utils.GenerateToken(),
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OwnerID: user.ID,
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Expire: expire,
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Password: hashedPassword,
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AlbumID: &albumID,
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MediaID: nil,
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}
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if err := db.Create(&shareToken).Error; err != nil {
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return nil, errors.Wrap(err, "failed to insert new share token into database")
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}
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return &shareToken, nil
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}
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func DeleteShareToken(db *gorm.DB, userID int, tokenValue string) (*models.ShareToken, error) {
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token, err := getUserToken(db, userID, tokenValue)
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if err != nil {
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return nil, err
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}
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if err := db.Delete(&token).Error; err != nil {
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return nil, errors.Wrapf(err, "failed to delete share token (%s) from database", tokenValue)
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}
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return token, nil
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}
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func ProtectShareToken(db *gorm.DB, userID int, tokenValue string, password *string) (*models.ShareToken, error) {
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token, err := getUserToken(db, userID, tokenValue)
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if err != nil {
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return nil, err
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}
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hashedPassword, err := hashSharePassword(password)
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if err != nil {
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return nil, err
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}
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token.Password = hashedPassword
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if err := db.Save(&token).Error; err != nil {
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return nil, errors.Wrap(err, "failed to update password for share token")
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}
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return token, nil
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}
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func hashSharePassword(password *string) (*string, error) {
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var hashedPassword *string = nil
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if password != nil {
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hashedPassBytes, err := bcrypt.GenerateFromPassword([]byte(*password), 12)
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if err != nil {
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return nil, errors.Wrap(err, "failed to generate hash for share password")
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}
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hashedStr := string(hashedPassBytes)
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hashedPassword = &hashedStr
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}
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return hashedPassword, nil
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}
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func getUserToken(db *gorm.DB, userID int, tokenValue string) (*models.ShareToken, error) {
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var token models.ShareToken
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err := db.Where("share_tokens.value = ?", tokenValue).Joins("Owner").Where("Owner.id = ? OR Owner.admin = TRUE", userID).First(&token).Error
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if err != nil {
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return nil, errors.Wrap(err, "failed to get user share token from database")
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}
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return &token, nil
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}
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