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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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@ -18,17 +18,18 @@ import (
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// Attachment represent a attachment of issue/comment/release.
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// Attachment represent a attachment of issue/comment/release.
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type Attachment struct {
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type Attachment struct {
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ID int64 `xorm:"pk autoincr"`
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ID int64 `xorm:"pk autoincr"`
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UUID string `xorm:"uuid UNIQUE"`
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UUID string `xorm:"uuid UNIQUE"`
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RepoID int64 `xorm:"INDEX"` // this should not be zero
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RepoID int64 `xorm:"INDEX"` // this should not be zero
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IssueID int64 `xorm:"INDEX"` // maybe zero when creating
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IssueID int64 `xorm:"INDEX"` // maybe zero when creating
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ReleaseID int64 `xorm:"INDEX"` // maybe zero when creating
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ReleaseID int64 `xorm:"INDEX"` // maybe zero when creating
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UploaderID int64 `xorm:"INDEX DEFAULT 0"` // Notice: will be zero before this column added
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UploaderID int64 `xorm:"INDEX DEFAULT 0"` // Notice: will be zero before this column added
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CommentID int64
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CommentID int64
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Name string
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Name string
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DownloadCount int64 `xorm:"DEFAULT 0"`
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DownloadCount int64 `xorm:"DEFAULT 0"`
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Size 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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CreatedUnix timeutil.TimeStamp `xorm:"created"`
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CustomDownloadURL string `xorm:"-"`
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}
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}
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func init() {
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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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// DownloadURL returns the download url of the attached file
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func (a *Attachment) DownloadURL() string {
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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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return setting.AppURL + "attachments/" + url.PathEscape(a.UUID)
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}
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}
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@ -7,6 +7,7 @@ package repo
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import (
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import (
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"context"
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"context"
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"fmt"
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"fmt"
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"net/url"
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"sort"
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"sort"
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"strconv"
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"strconv"
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"strings"
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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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sortedRels.Rel[currentIndex].Attachments = append(sortedRels.Rel[currentIndex].Attachments, attachment)
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}
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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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return err
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}
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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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}
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}
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// GetAttachment serve attachments
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// GetAttachment serve attachments with the given UUID
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func GetAttachment(ctx *context.Context) {
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func ServeAttachment(ctx *context.Context, uuid string) {
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attach, err := repo_model.GetAttachmentByUUID(ctx, ctx.Params(":uuid"))
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attach, err := repo_model.GetAttachmentByUUID(ctx, uuid)
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if err != nil {
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if err != nil {
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if repo_model.IsErrAttachmentNotExist(err) {
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if repo_model.IsErrAttachmentNotExist(err) {
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ctx.Error(http.StatusNotFound)
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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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return
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}
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}
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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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return
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}
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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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if err = repo_model.GetReleaseAttachments(ctx, releases...); err != nil {
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ctx.ServerError("GetReleaseAttachments", err)
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ctx.ServerError("GetReleaseAttachments", err)
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return
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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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ctx.Data["Title"] = release.Title
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}
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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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err = repo_model.GetReleaseAttachments(ctx, release)
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if err != nil {
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if err != nil {
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ctx.ServerError("GetReleaseAttachments", err)
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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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return
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}
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}
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if att != nil {
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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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return
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}
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}
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}
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}
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