mirror of
https://github.com/go-gitea/gitea
synced 2024-11-09 19:54:25 +00:00
95 lines
2.7 KiB
Go
95 lines
2.7 KiB
Go
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// Copyright 2021 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package repo
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import (
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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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"strings"
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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/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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// RelAvatarLink returns a relative link to the repository's avatar.
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func (repo *Repository) RelAvatarLink() string {
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return repo.relAvatarLink(db.GetEngine(db.DefaultContext))
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}
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// generateRandomAvatar generates a random avatar for repository.
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func generateRandomAvatar(e db.Engine, 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: %v", 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: %v", 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 := e.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(e db.Engine) 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(e, 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 a link to the repository's avatar.
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func (repo *Repository) AvatarLink() string {
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return repo.avatarLink(db.GetEngine(db.DefaultContext))
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}
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// avatarLink returns user avatar absolute link.
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func (repo *Repository) avatarLink(e db.Engine) string {
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link := repo.relAvatarLink(e)
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// we only prepend our AppURL to our known (relative, internal) avatar link to get an absolute URL
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if strings.HasPrefix(link, "/") && !strings.HasPrefix(link, "//") {
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return setting.AppURL + strings.TrimPrefix(link, setting.AppSubURL)[1:]
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}
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// otherwise, return the link as it is
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return link
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}
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