Add a path return limit for the git import system to be limited to the package name length in path entries.

conf/zone.go

@@ -8,12 +8,13 @@ type ZoneYaml struct {
 	CssURL             string            `yaml:"cssURL"`
 	HavePageContents   bool              `yaml:"havePageContents"`
 	BasePath           string            `yaml:"basePath"`
-	UsernameProvided   bool              `yaml:"usernameProvided"`
+	UsernameProvided   bool              `yaml:"usernameProvided"` //If set, the outputter will do /{user}/{repo}/ for repos rather than /{repo}/ ; Should really be named usernameProvidedByRequest
 	Username           string            `yaml:"username"`
 	BasePrefixURL      string            `yaml:"basePrefixURL"`
 	SuffixDirectoryURL string            `yaml:"suffixDirectoryURL"`
 	SuffixFileURL      string            `yaml:"suffixFileURL"`
 	RangeSupported     bool              `yaml:"rangeSupported"`
+	PathLengthLimit    uint              `yaml:"pathLengthLimit"` //The length of the path (Number of entries in the path) to return in the responses; (If 0: defaults to 1, if the username is not expected to be provided by the request, otherwise defaulting to 2)
 	CacheSettings      CacheSettingsYaml `yaml:"cacheSettings"`
 }
 
@@ -22,11 +23,20 @@ func (zy ZoneYaml) GetPackageMetaTagOutputter() *outputMeta.PackageMetaTagOutput
 	if !zy.UsernameProvided {
 		theUsername = zy.Username
 	}
+	pthLength := zy.PathLengthLimit
+	if pthLength == 0 {
+		if zy.UsernameProvided {
+			pthLength = 2
+		} else {
+			pthLength = 1
+		}
+	}
 	return &outputMeta.PackageMetaTagOutputter{
 		BasePath:           zy.BasePath,
 		Username:           theUsername,
 		BasePrefixURL:      zy.BasePrefixURL,
 		SuffixDirectoryURL: zy.SuffixDirectoryURL,
 		SuffixFileURL:      zy.SuffixFileURL,
+		PathLengthLimit:    pthLength,
 	}
 }

config.example.yml

@@ -12,11 +12,12 @@ zones: #An array of zones
     havePageContents: true #Output a header and link to the target repo
     basePath: "localhost" #The base-path, also known as, package name
     basePrefixURL: "http://localhost" #The base git URL
-    usernameProvided: true #If the username would be provided in requests to the server (When false the value of username can be used)
+    usernameProvided: true #If the username is expected to be provided in requests to the server (When false the value of username can be used)
     username: "captain-alm" #The username to append to the start of a path under the prefix
     suffixDirectoryURL: "src/branch/master{/dir}" #The suffix location of the main branch for directory usage
     suffixFileURL: "src/branch/master{/dir}/{file}#L{line}" #The suffix location of the main branch for file usage
     rangeSupported: true #Are range requests supported
+    pathLengthLimit: 0 #The length of the returned paths in the responses (Number of path entries); (If 0: defaults to 1, if the username is not expected to be provided by the request, otherwise defaulting to 2)
     cacheSettings: #Cache settings
       maxAge: 0 #The maximum age of the cache
       notModifiedUsingLastModified: true #Are the conditional headers attached to Last-Modified used to work out if to send a 304 Cache Redirect

outputMeta/package-meta-tag-outputter.go

@@ -11,6 +11,7 @@ type PackageMetaTagOutputter struct {
 	BasePrefixURL      string
 	SuffixDirectoryURL string
 	SuffixFileURL      string
+	PathLengthLimit    uint //The number of path entries in the go import paths
 }
 
 func (pkgMTO *PackageMetaTagOutputter) GetMetaTags(pathIn string) string {
@@ -19,12 +20,27 @@ func (pkgMTO *PackageMetaTagOutputter) GetMetaTags(pathIn string) string {
 }
 
 func (pkgMTO *PackageMetaTagOutputter) GetMetaContentForGoImport(pathIn string) string {
-	return pkgMTO.getPrefix(pathIn) + " git " + pkgMTO.getHomeURL(pathIn)
+	pathLoc := pkgMTO.GetPath(pathIn)
+	return pkgMTO.getPrefix(pathLoc) + " git " + pkgMTO.getHomeURL(pathLoc)
 }
 
 func (pkgMTO *PackageMetaTagOutputter) GetMetaContentForGoSource(pathIn string) string {
-	return pkgMTO.getPrefix(pathIn) + " " + pkgMTO.getHomeURL(pathIn) + " " +
-		pkgMTO.getDirectoryURL(pathIn) + " " + pkgMTO.getFileURL(pathIn)
+	pathLoc := pkgMTO.GetPath(pathIn)
+	return pkgMTO.getPrefix(pathLoc) + " " + pkgMTO.getHomeURL(pathLoc) + " " +
+		pkgMTO.getDirectoryURL(pathLoc) + " " + pkgMTO.getFileURL(pathLoc)
+}
+
+func (pkgMTO *PackageMetaTagOutputter) GetPath(pathIn string) string {
+	cleaned := path.Clean(pathIn)
+	if cleaned == "/" || cleaned == "." {
+		return cleaned
+	}
+	split := strings.Split(cleaned, "/")
+	toReturn := ""
+	for i := 1; i < len(split) && i < int(pkgMTO.PathLengthLimit)+1; i++ {
+		toReturn += split[i] + "/"
+	}
+	return toReturn[:len(toReturn)-1]
 }
 
 func (pkgMTO *PackageMetaTagOutputter) assureBasePrefixURL() (failed bool) {

web/page-handler-template-marshal.go

@@ -20,8 +20,8 @@ func (htm handlerTemplateMarshal) GetGoSourceMetaContent() string {
 
 func (htm handlerTemplateMarshal) GetLink() string {
 	if htm.PageHandler.MetaOutput.Username == "" {
-		return htm.PageHandler.MetaOutput.BasePrefixURL + "/" + strings.TrimLeft(path.Clean(htm.RequestPath), "/")
+		return htm.PageHandler.MetaOutput.BasePrefixURL + "/" + strings.TrimLeft(path.Clean(htm.PageHandler.MetaOutput.GetPath(htm.RequestPath)), "/")
 	} else {
-		return htm.PageHandler.MetaOutput.BasePrefixURL + "/" + strings.TrimLeft(path.Join(htm.PageHandler.MetaOutput.Username, htm.RequestPath), "/")
+		return htm.PageHandler.MetaOutput.BasePrefixURL + "/" + strings.TrimLeft(path.Join(htm.PageHandler.MetaOutput.Username, htm.PageHandler.MetaOutput.GetPath(htm.RequestPath)), "/")
 	}
 }