91 lines
2.8 KiB
Go
91 lines
2.8 KiB
Go
// Copyright 2021 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package repo
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import (
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"context"
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"fmt"
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"image/png"
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"io"
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"net/url"
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"code.gitea.io/gitea/models/db"
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"code.gitea.io/gitea/modules/avatar"
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"code.gitea.io/gitea/modules/httplib"
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"code.gitea.io/gitea/modules/log"
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"code.gitea.io/gitea/modules/setting"
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"code.gitea.io/gitea/modules/storage"
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)
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// CustomAvatarRelativePath returns repository custom avatar file path.
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func (repo *Repository) CustomAvatarRelativePath() string {
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return repo.Avatar
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}
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// ExistsWithAvatarAtStoragePath returns true if there is a user with this Avatar
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func ExistsWithAvatarAtStoragePath(ctx context.Context, storagePath string) (bool, error) {
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// See func (repo *Repository) CustomAvatarRelativePath()
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// repo.Avatar is used directly as the storage path - therefore we can check for existence directly using the path
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return db.GetEngine(ctx).Where("`avatar`=?", storagePath).Exist(new(Repository))
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}
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// RelAvatarLink returns a relative link to the repository's avatar.
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func (repo *Repository) RelAvatarLink(ctx context.Context) string {
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return repo.relAvatarLink(ctx)
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}
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// generateRandomAvatar generates a random avatar for repository.
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func generateRandomAvatar(ctx context.Context, repo *Repository) error {
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idToString := fmt.Sprintf("%d", repo.ID)
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seed := idToString
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img, err := avatar.RandomImage([]byte(seed))
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if err != nil {
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return fmt.Errorf("RandomImage: %w", err)
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}
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repo.Avatar = idToString
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if err := storage.SaveFrom(storage.RepoAvatars, repo.CustomAvatarRelativePath(), func(w io.Writer) error {
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if err := png.Encode(w, img); err != nil {
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log.Error("Encode: %v", err)
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}
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return err
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}); err != nil {
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return fmt.Errorf("Failed to create dir %s: %w", repo.CustomAvatarRelativePath(), err)
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}
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log.Info("New random avatar created for repository: %d", repo.ID)
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if _, err := db.GetEngine(ctx).ID(repo.ID).Cols("avatar").NoAutoTime().Update(repo); 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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func (repo *Repository) relAvatarLink(ctx context.Context) string {
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// If no avatar - path is empty
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avatarPath := repo.CustomAvatarRelativePath()
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if len(avatarPath) == 0 {
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switch mode := setting.RepoAvatar.Fallback; mode {
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case "image":
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return setting.RepoAvatar.FallbackImage
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case "random":
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if err := generateRandomAvatar(ctx, repo); err != nil {
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log.Error("generateRandomAvatar: %v", err)
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}
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default:
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// default behaviour: do not display avatar
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return ""
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}
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}
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return setting.AppSubURL + "/repo-avatars/" + url.PathEscape(repo.Avatar)
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}
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// AvatarLink returns the full avatar url with http host. TODO: refactor it to a relative URL, but it is still used in API response at the moment
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func (repo *Repository) AvatarLink(ctx context.Context) string {
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return httplib.MakeAbsoluteURL(ctx, repo.relAvatarLink(ctx))
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}
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