Make Release Download URLs predictable (#23891)
As promised in #23817, I have this made a PR to make Release Download URLs predictable. It currently follows the schema `<repo>/releases/download/<tag>/<filename>`. this already works, but it is nowhere shown in the UI or the API. The Problem is, that it is currently possible to have multiple files with the same name (why do we even allow this) for a release. I had written some Code to check, if a Release has 2 or more files with the same Name. If yes, it uses the old `attachments/<uuid>` URlL if no it uses the new fancy URL. I had also changed `<repo>/releases/download/<tag>/<filename>` to directly serve the File instead of redirecting, so people who who use automatic update checker don't end up with the `attachments/<uuid>` URL. Fixes #10919 --------- Co-authored-by: a1012112796 <1012112796@qq.com>
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5 changed files with 60 additions and 15 deletions
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@ -29,6 +29,7 @@ type Attachment struct {
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DownloadCount int64 `xorm:"DEFAULT 0"`
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Size int64 `xorm:"DEFAULT 0"`
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CreatedUnix timeutil.TimeStamp `xorm:"created"`
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CustomDownloadURL string `xorm:"-"`
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}
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func init() {
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@ -57,6 +58,10 @@ func (a *Attachment) RelativePath() string {
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// DownloadURL returns the download url of the attached file
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func (a *Attachment) DownloadURL() string {
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if a.CustomDownloadURL != "" {
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return a.CustomDownloadURL
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}
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return setting.AppURL + "attachments/" + url.PathEscape(a.UUID)
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}
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@ -7,6 +7,7 @@ package repo
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import (
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"context"
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"fmt"
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"net/url"
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"sort"
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"strconv"
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"strings"
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@ -372,6 +373,34 @@ func GetReleaseAttachments(ctx context.Context, rels ...*Release) (err error) {
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sortedRels.Rel[currentIndex].Attachments = append(sortedRels.Rel[currentIndex].Attachments, attachment)
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}
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// Makes URL's predictable
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for _, release := range rels {
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// If we have no Repo, we don't need to execute this loop
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if release.Repo == nil {
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continue
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}
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// Check if there are two or more attachments with the same name
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hasDuplicates := false
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foundNames := make(map[string]bool)
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for _, attachment := range release.Attachments {
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_, found := foundNames[attachment.Name]
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if found {
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hasDuplicates = true
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break
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} else {
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foundNames[attachment.Name] = true
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}
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}
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// If the names unique, use the URL with the Name instead of the UUID
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if !hasDuplicates {
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for _, attachment := range release.Attachments {
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attachment.CustomDownloadURL = release.Repo.HTMLURL() + "/releases/download/" + url.PathEscape(release.TagName) + "/" + url.PathEscape(attachment.Name)
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}
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}
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}
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return err
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}
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@ -86,9 +86,9 @@ func DeleteAttachment(ctx *context.Context) {
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})
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}
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// GetAttachment serve attachments
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func GetAttachment(ctx *context.Context) {
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attach, err := repo_model.GetAttachmentByUUID(ctx, ctx.Params(":uuid"))
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// GetAttachment serve attachments with the given UUID
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func ServeAttachment(ctx *context.Context, uuid string) {
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attach, err := repo_model.GetAttachmentByUUID(ctx, uuid)
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if err != nil {
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if repo_model.IsErrAttachmentNotExist(err) {
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ctx.Error(http.StatusNotFound)
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@ -153,3 +153,8 @@ func GetAttachment(ctx *context.Context) {
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return
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}
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}
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// GetAttachment serve attachments
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func GetAttachment(ctx *context.Context) {
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ServeAttachment(ctx, ctx.Params(":uuid"))
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}
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@ -142,6 +142,10 @@ func releasesOrTags(ctx *context.Context, isTagList bool) {
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return
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}
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for _, release := range releases {
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release.Repo = ctx.Repo.Repository
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}
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if err = repo_model.GetReleaseAttachments(ctx, releases...); err != nil {
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ctx.ServerError("GetReleaseAttachments", err)
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return
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@ -248,6 +252,8 @@ func SingleRelease(ctx *context.Context) {
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ctx.Data["Title"] = release.Title
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}
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release.Repo = ctx.Repo.Repository
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err = repo_model.GetReleaseAttachments(ctx, release)
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if err != nil {
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ctx.ServerError("GetReleaseAttachments", err)
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@ -373,7 +373,7 @@ func RedirectDownload(ctx *context.Context) {
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return
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}
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if att != nil {
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ctx.Redirect(att.DownloadURL())
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ServeAttachment(ctx, att.UUID)
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return
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}
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}
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