Fix serving of raw wiki files other than .md (#5814)

* Fix serving of raw wiki files other than .md

Closes #4690.
Closes #4395.

Signed-off-by: Gabriel Silva Simões <simoes.sgabriel@gmail.com>

* Simplify code at routers/repo/wiki.go

Signed-off-by: Gabriel Silva Simões <simoes.sgabriel@gmail.com>

* Add more files to user2/repo1.wiki for testing

Signed-off-by: Gabriel Silva Simões <simoes.sgabriel@gmail.com>

* Update macaron to v1.3.2

Signed-off-by: Gabriel Silva Simões <simoes.sgabriel@gmail.com>

* Add tests for WikiRaw

Signed-off-by: Gabriel Silva Simões <simoes.sgabriel@gmail.com>

* Fix NewResponseWriter usage due to macaron update

Signed-off-by: Gabriel Silva Simões <simoes.sgabriel@gmail.com>

* Add raw to reserved wiki names

Signed-off-by: Gabriel Silva Simões <simoes.sgabriel@gmail.com>

Gopkg.lock

@@ -1108,12 +1108,12 @@
   version = "v2.5.1"
 
 [[projects]]
-  digest = "1:cfe1730a152ff033ad7d9c115d22e36b19eec6d5928c06146b9119be45d39dc0"
+  digest = "1:de2e7294c9bd0b7d07ada8e98ad02cbbaabacff90eedebe7454ebdbab50d0d19"
   name = "gopkg.in/macaron.v1"
   packages = ["."]
   pruneopts = "NUT"
-  revision = "75f2e9b42e99652f0d82b28ccb73648f44615faa"
-  version = "v1.2.4"
+  revision = "dfcb80ca86e8534962c62812efd93209c7e600e7"
+  version = "v1.3.2"
 
 [[projects]]
   digest = "1:00126f697efdcab42f07c89ac8bf0095fb2328aef6464e070055154088cea859"

integrations/gitea-repositories-meta/user2/repo1.wiki.git/objects/0c/f15c3f66ec8384480ed9c3cf87c9e97fbb0ec3

@@ -0,0 +1,2 @@
+x
­ŽŃmÄ DóMŰŔY¬Í<1A>˘(ůJ
©`<60>5ÇÉś-›K*Ki,Hi!?ŁŃ<éiâVki0Z˙ÔXH“D(Z6ĨGňSb» 3“JDŢhµó!÷uB¬ĚDaJpˇ	íśŮčFôLĆą4+~´ëvŔ;‡ŁČ
+eýäžőç[Nx>KÝäÎü‡_sĺ˛q«/€]09MHpѤµękżÜä_dę-%¸í’‡Űž<C5B0>ď	vÎ_Ą]ˇÔ^Ő/čI[t

integrations/gitea-repositories-meta/user2/repo1.wiki.git/objects/71/911bf48766c7181518c1070911019fbb00b1fc

@@ -0,0 +1 @@
+x
ÆM‚@†á¯MÛ àºré›°6ñœ&&&¬ü9LežÅ›w½Ý×åt<#ÞñÃÍ¡ªmv-·•0w¬b¦¢jyÌ–†¤Ú—~Ý‹[žæÉçý=HÄ÷.¾"à‚íµÄçÇ<>=

integrations/gitea-repositories-meta/user2/repo1.wiki.git/objects/c1/0d10b7e655b3dab1f53176db57c8219a5488d6

@@ -0,0 +1,2 @@
+x
­ŽÝmÃ0ƒû¬)n<>ú±t2íSèçÓÙ`ņ¥¶“e‚,VY¡/Hâ#È[)¹<>EûÒ@NÈq¦è툎Ñr2«)DöÅ0âŒj§C®ìÑLÂ<4C>ŸœaCÓÃ&š4B<34>v]$Eßí²ðIÓ‘e…¯¼þP×r¿I…sÍe“zªË³~_
+åõÄ[yã‡è¢v£<76>WíµV=í—›ü˘úH	vZ~s»@݉%Á•Š¨?TÊZH

integrations/gitea-repositories-meta/user2/repo1.wiki.git/refs/heads/master

@@ -1 +1 @@
-2c54faec6c45d31c1abfaecdab471eac6633738a
+0cf15c3f66ec8384480ed9c3cf87c9e97fbb0ec3

models/wiki.go

@@ -22,7 +22,7 @@ import (
 )
 
 var (
-	reservedWikiNames = []string{"_pages", "_new", "_edit"}
+	reservedWikiNames = []string{"_pages", "_new", "_edit", "raw"}
 	wikiWorkingPool   = sync.NewExclusivePool()
 )
 

routers/api/v1/misc/markdown_test.go

@@ -27,7 +27,7 @@ func createContext(req *http.Request) (*macaron.Context, *httptest.ResponseRecor
 	c := &macaron.Context{
 		Injector: inject.New(),
 		Req:      macaron.Request{Request: req},
-		Resp:     macaron.NewResponseWriter(resp),
+		Resp:     macaron.NewResponseWriter(req.Method, resp),
 		Render:   &macaron.DummyRender{ResponseWriter: resp},
 		Data:     make(map[string]interface{}),
 	}

routers/repo/wiki.go

@@ -295,26 +295,41 @@ func WikiRaw(ctx *context.Context) {
 			return
 		}
 	}
+
 	providedPath := ctx.Params("*")
-	if strings.HasSuffix(providedPath, ".md") {
-		providedPath = providedPath[:len(providedPath)-3]
-	}
-	wikiPath := models.WikiNameToFilename(providedPath)
+
 	var entry *git.TreeEntry
 	if commit != nil {
-		entry, err = findEntryForFile(commit, wikiPath)
-	}
+		// Try to find a file with that name
+		entry, err = findEntryForFile(commit, providedPath)
 		if err != nil {
 			ctx.ServerError("findFile", err)
 			return
-	} else if entry == nil {
-		ctx.NotFound("findEntryForFile", nil)
-		return
 		}
 
+		if entry == nil {
+			// Try to find a wiki page with that name
+			if strings.HasSuffix(providedPath, ".md") {
+				providedPath = providedPath[:len(providedPath)-3]
+			}
+
+			wikiPath := models.WikiNameToFilename(providedPath)
+			entry, err = findEntryForFile(commit, wikiPath)
+			if err != nil {
+				ctx.ServerError("findFile", err)
+				return
+			}
+		}
+	}
+
+	if entry != nil {
 		if err = ServeBlob(ctx, entry.Blob()); err != nil {
 			ctx.ServerError("ServeBlob", err)
 		}
+		return
+	}
+
+	ctx.NotFound("findEntryForFile", nil)
 }
 
 // NewWiki render wiki create page

routers/repo/wiki_test.go

@@ -77,7 +77,7 @@ func TestWiki(t *testing.T) {
 	Wiki(ctx)
 	assert.EqualValues(t, http.StatusOK, ctx.Resp.Status())
 	assert.EqualValues(t, "Home", ctx.Data["Title"])
-	assertPagesMetas(t, []string{"Home"}, ctx.Data["Pages"])
+	assertPagesMetas(t, []string{"Home", "Page With Image", "Page With Spaced Name"}, ctx.Data["Pages"])
 }
 
 func TestWikiPages(t *testing.T) {
@@ -87,7 +87,7 @@ func TestWikiPages(t *testing.T) {
 	test.LoadRepo(t, ctx, 1)
 	WikiPages(ctx)
 	assert.EqualValues(t, http.StatusOK, ctx.Resp.Status())
-	assertPagesMetas(t, []string{"Home"}, ctx.Data["Pages"])
+	assertPagesMetas(t, []string{"Home", "Page With Image", "Page With Spaced Name"}, ctx.Data["Pages"])
 }
 
 func TestNewWiki(t *testing.T) {
@@ -185,3 +185,23 @@ func TestDeleteWikiPagePost(t *testing.T) {
 	assert.EqualValues(t, http.StatusOK, ctx.Resp.Status())
 	assertWikiNotExists(t, ctx.Repo.Repository, "Home")
 }
+
+func TestWikiRaw(t *testing.T) {
+	for filepath, filetype := range map[string]string{
+		"jpeg.jpg":                 "image/jpeg",
+		"Page With Spaced Name":    "text/plain; charset=utf-8",
+		"Page-With-Spaced-Name":    "text/plain; charset=utf-8",
+		"Page With Spaced Name.md": "text/plain; charset=utf-8",
+		"Page-With-Spaced-Name.md": "text/plain; charset=utf-8",
+	} {
+		models.PrepareTestEnv(t)
+
+		ctx := test.MockContext(t, "user2/repo1/wiki/raw/"+filepath)
+		ctx.SetParams("*", filepath)
+		test.LoadUser(t, ctx, 2)
+		test.LoadRepo(t, ctx, 1)
+		WikiRaw(ctx)
+		assert.EqualValues(t, http.StatusOK, ctx.Resp.Status())
+		assert.EqualValues(t, filetype, ctx.Resp.Header().Get("Content-Type"))
+	}
+}

vendor/gopkg.in/macaron.v1/context.go

@@ -262,7 +262,7 @@ func (ctx *Context) Params(name string) string {
 
 // SetParams sets value of param with given name.
 func (ctx *Context) SetParams(name, val string) {
-	if !strings.HasPrefix(name, ":") {
+	if name != "*" && !strings.HasPrefix(name, ":") {
 		name = ":" + name
 	}
 	ctx.params[name] = val
@@ -270,7 +270,7 @@ func (ctx *Context) SetParams(name, val string) {
 
 // ReplaceAllParams replace all current params with given params
 func (ctx *Context) ReplaceAllParams(params Params) {
-	ctx.params = params;
+	ctx.params = params
 }
 
 // ParamsEscape returns escapred params result.

vendor/gopkg.in/macaron.v1/macaron.go

@@ -32,7 +32,7 @@ import (
 	"github.com/go-macaron/inject"
 )
 
-const _VERSION = "1.2.4.1123"
+const _VERSION = "1.3.2.1216"
 
 func Version() string {
 	return _VERSION
@@ -194,7 +194,7 @@ func (m *Macaron) createContext(rw http.ResponseWriter, req *http.Request) *Cont
 		index:    0,
 		Router:   m.Router,
 		Req:      Request{req},
-		Resp:     NewResponseWriter(rw),
+		Resp:     NewResponseWriter(req.Method, rw),
 		Render:   &DummyRender{rw},
 		Data:     make(map[string]interface{}),
 	}

vendor/gopkg.in/macaron.v1/response_writer.go

@@ -42,11 +42,12 @@ type ResponseWriter interface {
 type BeforeFunc func(ResponseWriter)
 
 // NewResponseWriter creates a ResponseWriter that wraps an http.ResponseWriter
-func NewResponseWriter(rw http.ResponseWriter) ResponseWriter {
-	return &responseWriter{rw, 0, 0, nil}
+func NewResponseWriter(method string, rw http.ResponseWriter) ResponseWriter {
+	return &responseWriter{method, rw, 0, 0, nil}
 }
 
 type responseWriter struct {
+	method string
 	http.ResponseWriter
 	status      int
 	size        int
@@ -59,13 +60,15 @@ func (rw *responseWriter) WriteHeader(s int) {
 	rw.status = s
 }
 
-func (rw *responseWriter) Write(b []byte) (int, error) {
+func (rw *responseWriter) Write(b []byte) (size int, err error) {
 	if !rw.Written() {
 		// The status will be StatusOK if WriteHeader has not been called yet
 		rw.WriteHeader(http.StatusOK)
 	}
-	size, err := rw.ResponseWriter.Write(b)
+	if rw.method != "HEAD" {
+		size, err = rw.ResponseWriter.Write(b)
 		rw.size += size
+	}
 	return size, err
 }
 

vendor/gopkg.in/macaron.v1/router.go

@@ -96,7 +96,7 @@ func NewRouter() *Router {
 }
 
 // SetAutoHead sets the value who determines whether add HEAD method automatically
-// when GET method is added. Combo router will not be affected by this value.
+// when GET method is added.
 func (r *Router) SetAutoHead(v bool) {
 	r.autoHead = v
 }
@@ -341,6 +341,9 @@ func (cr *ComboRouter) route(fn func(string, ...Handler) *Route, method string,
 }
 
 func (cr *ComboRouter) Get(h ...Handler) *ComboRouter {
+	if cr.router.autoHead {
+		cr.Head(h...)
+	}
 	return cr.route(cr.router.Get, "GET", h...)
 }