Fix Wiki branch resolution in blob endpoint (#3826)

src/main/scala/gitbucket/core/controller/RepositoryViewerController.scala

@@ -1076,14 +1076,9 @@ trait RepositoryViewerControllerBase extends ControllerBase {
     redirect(s"${repository.owner}/${repository.name}/releases")
   })
 
-  get("/:owner/:repository/archive/:name")(referrersOnly { repository =>
-    val name = params("name")
-    archiveRepository(name, repository, "")
-  })
-
-  get("/:owner/:repository/archive/*/:name")(referrersOnly { repository =>
-    val name = params("name")
-    val path = multiParams("splat").head
+  get("/:owner/:repository/archive/*")(referrersOnly { repository =>
+    val name = multiParams("splat").mkString("/")
+    val path = params.get("path").getOrElse("")
     archiveRepository(name, repository, path)
   })
 

src/main/scala/gitbucket/core/controller/WikiController.scala

@@ -306,7 +306,8 @@ trait WikiControllerBase extends ControllerBase {
 
   get("/:owner/:repository/wiki/_history")(referrersOnly { repository =>
     Using.resource(Git.open(getWikiRepositoryDir(repository.owner, repository.name))) { git =>
-      JGitUtil.getCommitLog(git, "master") match {
+      val branch = getWikiBranch(repository.owner, repository.name)
+      JGitUtil.getCommitLog(git, branch) match {
         case Right((logs, hasNext)) => html.history(None, logs, repository, isEditable(repository))
         case Left(_)                => NotFound()
       }
@@ -316,7 +317,8 @@ trait WikiControllerBase extends ControllerBase {
   get("/:owner/:repository/wiki/_blob/*")(referrersOnly { repository =>
     val path = multiParams("splat").head
     Using.resource(Git.open(getWikiRepositoryDir(repository.owner, repository.name))) { git =>
-      val revCommit = JGitUtil.getRevCommitFromId(git, git.getRepository.resolve("master"))
+      val branch = getWikiBranch(repository.owner, repository.name)
+      val revCommit = JGitUtil.getRevCommitFromId(git, git.getRepository.resolve(branch))
 
       getPathObjectId(git, path, revCommit).map { objectId =>
         responseRawFile(git, objectId, path, repository)

src/main/twirl/gitbucket/core/repo/files.scala.html

@@ -34,7 +34,7 @@
     <div class="head" style="height: 24px;">
       <div class="pull-right">
         <div class="btn-group">
-          <a href="@{helpers.url(repository)}/archive@if(pathList.length > 0){/@pathList.map(helpers.urlEncode).mkString("/")}/@{helpers.urlEncode(branch)}.zip" class="btn btn-sm btn-default pc"><i class="octicon octicon-cloud-download"></i> Download ZIP</a>
+          <a href="@{helpers.url(repository)}/archive/@{helpers.urlEncode(branch)}.zip@if(pathList.nonEmpty){?path=@helpers.urlEncode(pathList.mkString("/"))}" class="btn btn-sm btn-default pc"><i class="octicon octicon-cloud-download"></i> Download ZIP</a>
           <a href="@helpers.url(repository)/find/@helpers.encodeRefName(branch)" class="btn btn-sm btn-default" data-hotkey="t" title="Search files"><i class="octicon octicon-search" aria-label="Search files"></i></a>
           <a href="@helpers.url(repository)/commits/@helpers.encodeRefName((branch :: pathList).mkString("/"))" class="btn btn-sm btn-default"><i class="octicon octicon-history"></i> @if(commitCount > 10000){10000+} else {@commitCount} @helpers.plural(commitCount, "commit")</a>
         </div>