commit 801bb10d241a5fd353c80de94f0aa869e05cc5d5 Author: Kevin Kandlbinder Date: Mon Oct 10 14:48:20 2022 +0200 Initial commit diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..5572127 --- /dev/null +++ b/.gitignore @@ -0,0 +1,2 @@ +/gohangar +/data diff --git a/.idea/.gitignore b/.idea/.gitignore new file mode 100644 index 0000000..13566b8 --- /dev/null +++ b/.idea/.gitignore @@ -0,0 +1,8 @@ +# Default ignored files +/shelf/ +/workspace.xml +# Editor-based HTTP Client requests +/httpRequests/ +# Datasource local storage ignored files +/dataSources/ +/dataSources.local.xml diff --git a/.idea/GoHangar.iml b/.idea/GoHangar.iml new file mode 100644 index 0000000..5e764c4 --- /dev/null +++ b/.idea/GoHangar.iml @@ -0,0 +1,9 @@ + + + + + + + + + \ No newline at end of file diff --git a/.idea/inspectionProfiles/Project_Default.xml b/.idea/inspectionProfiles/Project_Default.xml new file mode 100644 index 0000000..ada03d1 --- /dev/null +++ b/.idea/inspectionProfiles/Project_Default.xml @@ -0,0 +1,15 @@ + + + + \ No newline at end of file diff --git a/.idea/modules.xml b/.idea/modules.xml new file mode 100644 index 0000000..519481d --- /dev/null +++ b/.idea/modules.xml @@ -0,0 +1,8 @@ + + + + + + + + \ No newline at end of file diff --git a/.idea/vcs.xml b/.idea/vcs.xml new file mode 100644 index 0000000..28196e9 --- /dev/null +++ b/.idea/vcs.xml @@ -0,0 +1,6 @@ + + + + + + \ No newline at end of file diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..f288702 --- /dev/null +++ b/LICENSE @@ -0,0 +1,674 @@ + GNU GENERAL PUBLIC LICENSE + Version 3, 29 June 2007 + + Copyright (C) 2007 Free Software Foundation, Inc. + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The GNU General Public License is a free, copyleft license for +software and other kinds of works. + + The licenses for most software and other practical works are designed +to take away your freedom to share and change the works. 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It is safest +to attach them to the start of each source file to most effectively +state the exclusion of warranty; and each file should have at least +the "copyright" line and a pointer to where the full notice is found. + + + Copyright (C) + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . + +Also add information on how to contact you by electronic and paper mail. + + If the program does terminal interaction, make it output a short +notice like this when it starts in an interactive mode: + + Copyright (C) + This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. + This is free software, and you are welcome to redistribute it + under certain conditions; type `show c' for details. + +The hypothetical commands `show w' and `show c' should show the appropriate +parts of the General Public License. Of course, your program's commands +might be different; for a GUI interface, you would use an "about box". + + You should also get your employer (if you work as a programmer) or school, +if any, to sign a "copyright disclaimer" for the program, if necessary. +For more information on this, and how to apply and follow the GNU GPL, see +. + + The GNU General Public License does not permit incorporating your program +into proprietary programs. If your program is a subroutine library, you +may consider it more useful to permit linking proprietary applications with +the library. If this is what you want to do, use the GNU Lesser General +Public License instead of this License. But first, please read +. diff --git a/README.md b/README.md new file mode 100644 index 0000000..fcb841c --- /dev/null +++ b/README.md @@ -0,0 +1,30 @@ +# GoHangar +>A Golang remake of [PHPHangar](https://github.com/Unkn0wnCat/PHPHangar), which is a PHP remake of +> [Datenhangar](https://sourceforge.net/p/datenhangar/wiki/Home/) + +## About + +GoHangar is a simple remake of the [PHPHangar](https://github.com/Unkn0wnCat/PHPHangar) Directory-Listing-Script. The +program provides a simple directory list for setting up a simple downloadbase. + +## Features + +* Easy to use +* Quick to setup +* Lightweight +* Easy to customize + +## Installation + +Either download a binary from the releases page, or if you have Golang installed type +`go install github.com/Unkn0wnCat/gohangar` into your terminal. + +## Special Thanks + +Special thanks to FAMFAMFAM.com for the [FAMFAMFAM Mini Icons](http://www.famfamfam.com/lab/icons/mini/), to +[photo by Florian Olivo on Unsplash](https://unsplash.com/photos/0juN5ROSxzc?utm_source=unsplash&utm_medium=referral&utm_content=creditCopyText) +for the default banner image and to [perforin](https://sourceforge.net/u/perforin/), the original creator of +[Datenhangar](https://sourceforge.net/p/datenhangar/wiki/Home/). + +--- +Made with <3 in Germany \ No newline at end of file diff --git a/go.mod b/go.mod new file mode 100644 index 0000000..e2924e9 --- /dev/null +++ b/go.mod @@ -0,0 +1,13 @@ +module github.com/Unkn0wnCat/gohangar + +go 1.19 + +require github.com/urfave/cli/v2 v2.19.2 + +require ( + github.com/cpuguy83/go-md2man/v2 v2.0.2 // indirect + github.com/gabriel-vasile/mimetype v1.4.1 // indirect + github.com/russross/blackfriday/v2 v2.1.0 // indirect + github.com/xrash/smetrics v0.0.0-20201216005158-039620a65673 // indirect + golang.org/x/net v0.0.0-20220624214902-1bab6f366d9e // indirect +) diff --git a/go.sum b/go.sum new file mode 100644 index 0000000..2d7c267 --- /dev/null +++ b/go.sum @@ -0,0 +1,17 @@ +github.com/cpuguy83/go-md2man/v2 v2.0.2 h1:p1EgwI/C7NhT0JmVkwCD2ZBK8j4aeHQX2pMHHBfMQ6w= +github.com/cpuguy83/go-md2man/v2 v2.0.2/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o= +github.com/gabriel-vasile/mimetype v1.4.1 h1:TRWk7se+TOjCYgRth7+1/OYLNiRNIotknkFtf/dnN7Q= +github.com/gabriel-vasile/mimetype v1.4.1/go.mod h1:05Vi0w3Y9c/lNvJOdmIwvrrAhX3rYhfQQCaf9VJcv7M= +github.com/russross/blackfriday/v2 v2.1.0 h1:JIOH55/0cWyOuilr9/qlrm0BSXldqnqwMsf35Ld67mk= +github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM= +github.com/urfave/cli/v2 v2.19.2 h1:eXu5089gqqiDQKSnFW+H/FhjrxRGztwSxlTsVK7IuqQ= +github.com/urfave/cli/v2 v2.19.2/go.mod h1:1CNUng3PtjQMtRzJO4FMXBQvkGtuYRxxiR9xMa7jMwI= +github.com/xrash/smetrics v0.0.0-20201216005158-039620a65673 h1:bAn7/zixMGCfxrRTfdpNzjtPYqr8smhKouy9mxVdGPU= +github.com/xrash/smetrics v0.0.0-20201216005158-039620a65673/go.mod h1:N3UwUGtsrSj3ccvlPHLoLsHnpR27oXr4ZE984MbSER8= +golang.org/x/net v0.0.0-20220624214902-1bab6f366d9e h1:TsQ7F31D3bUCLeqPT0u+yjp1guoArKaNKmCr22PYgTQ= +golang.org/x/net v0.0.0-20220624214902-1bab6f366d9e/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c= +golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= +golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= +golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8= +golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ= +golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= diff --git a/hangar/server.go b/hangar/server.go new file mode 100644 index 0000000..9a2a234 --- /dev/null +++ b/hangar/server.go @@ -0,0 +1,246 @@ +package hangar + +import ( + "embed" + "errors" + "github.com/gabriel-vasile/mimetype" + "html/template" + "io" + "io/fs" + "log" + "net/http" + "net/url" + "path" + "strings" +) + +//go:embed static +var UnderlayFS embed.FS + +type Hangar struct { + BaseFS fs.FS + Template *template.Template + SiteName string + NoHeader bool + Banner string + AppName string + Attribution template.HTML +} + +func New(base fs.FS) (*Hangar, error) { + t, err := template.New("directory").ParseFS(UnderlayFS, "static/directory.html.tmpl") + if err != nil { + return nil, err + } + + return &Hangar{ + BaseFS: base, + Template: t, + SiteName: "DLBase", + NoHeader: false, + Banner: "/static/banner.jpg", + AppName: "GoHangar", + Attribution: "GoHangar", + }, nil +} + +func (hangar *Hangar) ServeHTTP(res http.ResponseWriter, req *http.Request) { + requestUri, err := url.Parse(req.RequestURI) + if err != nil { + res.WriteHeader(400) + res.Write([]byte("400 - Invalid Request")) + return + } + + currentPath := strings.Trim(requestUri.Path, "/") + if currentPath == "" { + currentPath = "." + } + + stat, err := fs.Stat(hangar.BaseFS, currentPath) + if err != nil { + if errors.Is(err, fs.ErrNotExist) { + if stat, err := fs.Stat(UnderlayFS, currentPath); err == nil && !strings.HasSuffix(currentPath, ".tmpl") && !stat.IsDir() { + writeFile(UnderlayFS, currentPath, res) + return + } + + res.WriteHeader(404) + res.Write([]byte("404 - Not Found")) + return + } + + log.Println(err) + res.WriteHeader(500) + res.Write([]byte("500 - Internal Server Error")) + return + } + + if !stat.IsDir() { + writeFile(hangar.BaseFS, currentPath, res) + return + } + + hangar.listDir(hangar.BaseFS, currentPath, res) + return +} + +type DirectoryListingData struct { + SiteName string + AppName string + Attribution template.HTML + NoHeader bool + Banner string + Path []string + Entries []DirectoryListingEntry + Readme string +} + +type DirectoryListingEntry struct { + AbsolutePath string + Name string + Icon string +} + +func getIcon(fsys fs.FS, filePath string) (string, error) { + file, err := fsys.Open(filePath) + if err != nil { + return "", err + } + + mime, err := mimetype.DetectReader(file) + if err != nil { + return "", err + } + + mimeType := mime.String() + + switch mimeType { + case "text/html": + return "page_html.gif", nil + case "application/x-shockwave-flash": + return "application_flash.gif", nil + case "application/pdf": + return "file_acrobat.gif", nil + } + + switch strings.Split(mimeType, "/")[0] { + case "image": + return "image.gif", nil + case "audio": + return "page_sound.gif", nil + case "video": + return "page_video.gif", nil + case "text": + return "page_text.gif", nil + default: + return "page.gif", nil + } +} + +func (hangar *Hangar) listDir(fsys fs.FS, currentPath string, res http.ResponseWriter) { + dir, err := fs.ReadDir(fsys, currentPath) + if err != nil { + log.Println(err) + res.WriteHeader(500) + res.Write([]byte("500 - Internal Server Error")) + return + } + + var entries []DirectoryListingEntry + var dirs []DirectoryListingEntry + + readme := "" + + for _, entry := range dir { + if entry.Name() == ".readme.html" { + readme = path.Join(currentPath, entry.Name()) + } + + if strings.HasPrefix(entry.Name(), ".") { + continue + } + + if entry.IsDir() { + dirs = append(dirs, DirectoryListingEntry{ + AbsolutePath: path.Join(currentPath, entry.Name()), + Name: entry.Name(), + Icon: "/static/images/folder.gif", + }) + continue + } + + icon, err := getIcon(fsys, path.Join(currentPath, entry.Name())) + if err != nil { + log.Println(err) + continue + } + + entries = append(entries, DirectoryListingEntry{ + AbsolutePath: path.Join(currentPath, entry.Name()), + Name: entry.Name(), + Icon: "/static/images/" + icon, + }) + } + + res.Header().Set("Content-Type", "text/html") + res.WriteHeader(200) + err = hangar.Template.ExecuteTemplate(res, "directory.html.tmpl", DirectoryListingData{ + SiteName: hangar.SiteName, + AppName: hangar.AppName, + Attribution: hangar.Attribution, + NoHeader: hangar.NoHeader, + Banner: hangar.Banner, + Path: strings.Split(currentPath, "/"), + Entries: append(dirs, entries...), + Readme: readme, + }) + if err != nil { + log.Println(err) + res.WriteHeader(500) + res.Write([]byte("500 - Internal Server Error")) + return + } + + return +} + +func writeFile(fsys fs.FS, currentPath string, res http.ResponseWriter) { + file, err := fsys.Open(currentPath) + if err != nil { + log.Println(err) + res.WriteHeader(500) + res.Write([]byte("500 - Internal Server Error")) + return + } + + mime, err := mimetype.DetectReader(file) + if err != nil { + _ = file.Close() + log.Println(err) + res.WriteHeader(500) + res.Write([]byte("500 - Internal Server Error")) + return + } + + mimeType := mime.String() + + if strings.HasSuffix(currentPath, ".css") { + mimeType = "text/css" + } + + _ = file.Close() + file, err = fsys.Open(currentPath) + defer file.Close() + if err != nil { + log.Println(err) + res.WriteHeader(500) + res.Write([]byte("500 - Internal Server Error")) + return + } + + res.Header().Set("Content-Type", mimeType) + res.WriteHeader(200) + io.Copy(res, file) + return +} diff --git a/hangar/static/BANNER-CREDITS.md b/hangar/static/BANNER-CREDITS.md new file mode 100644 index 0000000..72a6fbe --- /dev/null +++ b/hangar/static/BANNER-CREDITS.md @@ -0,0 +1,3 @@ +# Original photo by Florian Olivo on Unsplash + +The image is a cropped version of a [photo by Florian Olivo on Unsplash](https://unsplash.com/photos/0juN5ROSxzc?utm_source=unsplash&utm_medium=referral&utm_content=creditCopyText). \ No newline at end of file diff --git a/hangar/static/banner.jpg b/hangar/static/banner.jpg new file mode 100644 index 0000000..55de8dc Binary files /dev/null and b/hangar/static/banner.jpg differ diff --git a/hangar/static/black.css b/hangar/static/black.css new file mode 100644 index 0000000..595deb5 --- /dev/null +++ b/hangar/static/black.css @@ -0,0 +1,110 @@ +body { + background: black; + color: green; +} + +img { + border: none; + + margin: 0; + padding: 0; +} + +.banner { + /*opacity: 0.05;*/ +} + +a { + text-decoration: none; +} + +.headertext { + background-color: #AAAAAA; + color: #404040; + width: 550px; +} + +.dirup { + background-color: #DEDEDE; + width: 550px; + text-align: left; +} + +.dirup a { + text-decoration: none; + color: #104E8B; +} + +.content { + background-color: #E8E8E8; + width: 550px; + text-align: left; + overflow: hidden; + text-overflow: ellipsis; + white-space: nowrap; +} + +.content a { + text-decoration: none; + color: #404040; +} + +.content:nth-child(2n) { + background-color: #DEDEDE; +} + +.content:nth-child(2n) a { + text-decoration: none; + color: #404040; +} + +ul.breadcrumb { + list-style: none; + background-color: #AAAAAA; + color: #404040; + width: 550px; + margin: 0; + padding: 0; +} + +ul.breadcrumb li { + display: inline; +} + +ul.breadcrumb li+li:before { + padding: 8px; + color: black; + content: "/\00a0"; +} + +ul.breadcrumb li a { + color: green; +} + +b { + color: #F0F0F0; +} + +p { + font-size: small; + text-align: center; + color: #E8E8E8; +} + +h1.error { + background-color: #DEDEDE; + margin: 0; + display: inline-block; + width: 550px; + padding: 50px 0; + overflow: auto; +} + +.readme { + background-color: #AAAAAA; + color: #404040; + width: 550px; + margin: 0; + border: none; + border-bottom: 1px solid black; +} \ No newline at end of file diff --git a/hangar/static/directory.html.tmpl b/hangar/static/directory.html.tmpl new file mode 100644 index 0000000..adcfffa --- /dev/null +++ b/hangar/static/directory.html.tmpl @@ -0,0 +1,41 @@ + + + + + {{.SiteName}} + + + + + + +
+ {{if not .NoHeader}} + + {{end}} +
+ {{if .Readme}} +
~ README ~
+ {{end}} +
~ {{.SiteName}} ~
+ {{if and (gt (len .Path) 0) (not (eq (index .Path 0) "."))}} + + {{end}} + {{range .Entries}} + + {{end}} +
+ +
+

{{.SiteName}} {{.Attribution}}

+ + \ No newline at end of file diff --git a/hangar/static/images/CREDITS.md b/hangar/static/images/CREDITS.md new file mode 100644 index 0000000..c0b4267 --- /dev/null +++ b/hangar/static/images/CREDITS.md @@ -0,0 +1,3 @@ +# Icons provided by FAMFAMFAM.com + +[FAMFAMFAM Mini Icons](http://www.famfamfam.com/lab/icons/mini/) diff --git a/hangar/static/images/action_back.gif b/hangar/static/images/action_back.gif new file mode 100644 index 0000000..46a8ffb Binary files /dev/null and b/hangar/static/images/action_back.gif differ diff --git a/hangar/static/images/action_forward.gif b/hangar/static/images/action_forward.gif new file mode 100644 index 0000000..21da437 Binary files /dev/null and b/hangar/static/images/action_forward.gif differ diff --git a/hangar/static/images/action_go.gif b/hangar/static/images/action_go.gif new file mode 100644 index 0000000..82ae7ed Binary files /dev/null and b/hangar/static/images/action_go.gif differ diff --git a/hangar/static/images/action_paste.gif 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"kevin@kevink.dev", + }, + }, + Copyright: "Copyright (C) 2022 GoHangar Authors\nThis program is free software: you can redistribute it and/or modify\nit under the terms of the GNU General Public License as published by\nthe Free Software Foundation, either version 3 of the License, or\n(at your option) any later version.\n\nThis program is distributed in the hope that it will be useful,\nbut WITHOUT ANY WARRANTY; without even the implied warranty of\nMERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\nGNU General Public License for more details.\n\nYou should have received a copy of the GNU General Public License\nalong with this program. If not, see .\n", + Flags: []cli.Flag{ + &cli.StringFlag{ + Name: "dir", + Aliases: []string{"d"}, + Value: "./data", + Usage: "Directory to serve", + }, + &cli.StringFlag{ + Name: "name", + Aliases: []string{"n"}, + Value: "DLBase", + Usage: "Name displayed on the site", + }, + &cli.StringFlag{ + Name: "attribution", + Aliases: []string{"a"}, + Usage: "Overrides the attribution in the footer (HTML allowed)", + }, + &cli.BoolFlag{ + Name: "no-header", + Value: false, + Usage: "Disables the header", + }, + &cli.StringFlag{ + Name: "header", + Aliases: []string{"i"}, + Value: "/static/banner.jpg", + Usage: "Sets the path to the header image from webroot", + }, + &cli.StringFlag{ + Name: "app", + Value: "GoHangar", + Usage: "App name displayed in the footer", + }, + }, + Action: func(cCtx *cli.Context) error { + base := os.DirFS(cCtx.String("dir")) + + myHangar, err := hangar.New(base) + if err != nil { + return err + } + + myHangar.AppName = cCtx.String("app") + myHangar.Attribution = template.HTML(cCtx.String("attribution")) + myHangar.NoHeader = cCtx.Bool("no-header") + myHangar.Banner = cCtx.String("header") + myHangar.SiteName = cCtx.String("name") + + err = http.ListenAndServe("localhost:8123", myHangar) + if err != nil { + return err + } + return nil + }, + } + + if err := app.Run(os.Args); err != nil { + log.Fatal(err) + } +}