all: init

15 files changed, 462 insertions, 0 deletions

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..ef97739
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+legit
diff --git a/config.yaml b/config.yaml
new file mode 100644
index 0000000..fad606a
--- /dev/null
+++ b/config.yaml
@@ -0,0 +1,7 @@
+git:
+  scanPath: /home/icy/code/tmp
+template:
+  dir: ./templates
+meta:
+  title: git good
+  description: i think it's a skill issue
diff --git a/config/config.go b/config/config.go
new file mode 100644
index 0000000..71bc8dc
--- /dev/null
+++ b/config/config.go
@@ -0,0 +1,35 @@
+package config
+
+import (
+	"fmt"
+	"os"
+
+	"gopkg.in/yaml.v3"
+)
+
+type Config struct {
+	Git struct {
+		ScanPath string `yaml:"scanPath"`
+	} `yaml:"git"`
+	Template struct {
+		Dir string `yaml:"dir"`
+	} `yaml:"template"`
+	Meta struct {
+		Title       string `yaml:"title"`
+		Description string `yaml:"description"`
+	} `yaml:"meta"`
+}
+
+func Read(f string) (*Config, error) {
+	b, err := os.ReadFile(f)
+	if err != nil {
+		return nil, fmt.Errorf("reading config: %w", err)
+	}
+
+	c := Config{}
+	if err := yaml.Unmarshal(b, &c); err != nil {
+		return nil, fmt.Errorf("parsing config: %w", err)
+	}
+
+	return &c, nil
+}
diff --git a/git/git.go b/git/git.go
new file mode 100644
index 0000000..46ec357
--- /dev/null
+++ b/git/git.go
@@ -0,0 +1,88 @@
+package git
+
+import (
+	"fmt"
+
+	"github.com/go-git/go-git/v5"
+	"github.com/go-git/go-git/v5/plumbing"
+	"github.com/go-git/go-git/v5/plumbing/object"
+)
+
+func AllCommits(r *git.Repository) ([]*object.Commit, error) {
+	ci, err := r.Log(&git.LogOptions{All: true})
+	if err != nil {
+		return nil, fmt.Errorf("all commits: %w", err)
+	}
+
+	commits := []*object.Commit{}
+	ci.ForEach(func(c *object.Commit) error {
+		commits = append(commits, c)
+		return nil
+	})
+
+	return commits, nil
+}
+
+// A nicer git tree representation.
+type NiceTree struct {
+	Name   string
+	Mode   string
+	Size   int64
+	IsFile bool
+}
+
+func FilesAtHead(r *git.Repository, path string) ([]NiceTree, error) {
+	head, err := r.Head()
+	if err != nil {
+		return nil, fmt.Errorf("getting head: %w", err)
+	}
+
+	return FilesAtRef(r, head, path)
+}
+
+func FilesAtRef(r *git.Repository, ref *plumbing.Reference, path string) ([]NiceTree, error) {
+	c, err := r.CommitObject(ref.Hash())
+	if err != nil {
+		return nil, fmt.Errorf("commit object: %w", err)
+	}
+
+	files := []NiceTree{}
+	tree, err := c.Tree()
+	if err != nil {
+		return nil, fmt.Errorf("file tree: %w", err)
+	}
+
+	if path == "" {
+		files = makeNiceTree(tree.Entries)
+	} else {
+		o, err := tree.FindEntry(path)
+		if err != nil {
+			return nil, err
+		}
+
+		if !o.Mode.IsFile() {
+			subtree, err := tree.Tree(path)
+			if err != nil {
+				return nil, err
+			}
+
+			files = makeNiceTree(subtree.Entries)
+		}
+	}
+
+	return files, nil
+}
+
+func makeNiceTree(es []object.TreeEntry) []NiceTree {
+	nts := []NiceTree{}
+	for _, e := range es {
+		mode, _ := e.Mode.ToOSFileMode()
+		nts = append(nts, NiceTree{
+			Name:   e.Name,
+			Mode:   mode.String(),
+			IsFile: e.Mode.IsFile(),
+		})
+	}
+
+	return nts
+}
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..233095d
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,30 @@
+module icyphox.sh/legit
+
+go 1.19
+
+require (
+	github.com/alexedwards/flow v0.0.0-20220806114457-cf11be9e0e03
+	github.com/go-git/go-git/v5 v5.5.0
+	gopkg.in/yaml.v3 v3.0.0
+)
+
+require (
+	github.com/Microsoft/go-winio v0.5.2 // indirect
+	github.com/ProtonMail/go-crypto v0.0.0-20221026131551-cf6655e29de4 // indirect
+	github.com/acomagu/bufpipe v1.0.3 // indirect
+	github.com/cloudflare/circl v1.1.0 // indirect
+	github.com/emirpasic/gods v1.18.1 // indirect
+	github.com/go-git/gcfg v1.5.0 // indirect
+	github.com/go-git/go-billy/v5 v5.3.1 // indirect
+	github.com/imdario/mergo v0.3.13 // indirect
+	github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99 // indirect
+	github.com/kevinburke/ssh_config v1.2.0 // indirect
+	github.com/pjbgf/sha1cd v0.2.0 // indirect
+	github.com/sergi/go-diff v1.1.0 // indirect
+	github.com/skeema/knownhosts v1.1.0 // indirect
+	github.com/xanzy/ssh-agent v0.3.2 // indirect
+	golang.org/x/crypto v0.3.0 // indirect
+	golang.org/x/net v0.2.0 // indirect
+	golang.org/x/sys v0.2.0 // indirect
+	gopkg.in/warnings.v0 v0.1.2 // indirect
+)
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..f42bcab
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,129 @@
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+golang.org/x/term v0.2.0/go.mod h1:TVmDHMZPmdnySmBfhjOoOdhjzdE1h4u1VwSiw2l1Nuc=
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diff --git a/main.go b/main.go
new file mode 100644
index 0000000..07d4b67
--- /dev/null
+++ b/main.go
@@ -0,0 +1,24 @@
+package main
+
+import (
+	"flag"
+	"log"
+	"net/http"
+
+	"icyphox.sh/legit/config"
+	"icyphox.sh/legit/routes"
+)
+
+func main() {
+	var cfg string
+	flag.StringVar(&cfg, "config", "./config.yaml", "path to config file")
+	flag.Parse()
+
+	c, err := config.Read(cfg)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	mux := routes.Handlers(c)
+	log.Fatal(http.ListenAndServe(":5555", mux))
+}
diff --git a/routes/handler.go b/routes/handler.go
new file mode 100644
index 0000000..13e4ae4
--- /dev/null
+++ b/routes/handler.go
@@ -0,0 +1,14 @@
+package routes
+
+import (
+	"github.com/alexedwards/flow"
+	"icyphox.sh/legit/config"
+)
+
+func Handlers(c *config.Config) *flow.Mux {
+	mux := flow.New()
+	d := deps{c}
+	mux.HandleFunc("/:name", d.Repo, "GET")
+	mux.HandleFunc("/:name/tree/...", d.Repo, "GET")
+	return mux
+}
diff --git a/routes/routes.go b/routes/routes.go
new file mode 100644
index 0000000..da75009
--- /dev/null
+++ b/routes/routes.go
@@ -0,0 +1,50 @@
+package routes
+
+import (
+	"html/template"
+	"log"
+	"net/http"
+	"path/filepath"
+
+	"github.com/alexedwards/flow"
+	gogit "github.com/go-git/go-git/v5"
+	"icyphox.sh/legit/config"
+	"icyphox.sh/legit/git"
+)
+
+type deps struct {
+	c *config.Config
+}
+
+func (d *deps) Repo(w http.ResponseWriter, r *http.Request) {
+	name := flow.Param(r.Context(), "name")
+	treePath := flow.Param(r.Context(), "...")
+
+	name = filepath.Clean(name)
+	// TODO: remove .git
+	path := filepath.Join(d.c.Git.ScanPath, name+".git")
+	repo, err := gogit.PlainOpen(path)
+	if err != nil {
+		Write404(w, *d.c)
+		return
+	}
+
+	files, err := git.FilesAtHead(repo, treePath)
+	if err != nil {
+		Write500(w, *d.c)
+		log.Println(err)
+	}
+
+	tpath := filepath.Join(d.c.Template.Dir, "*")
+	t := template.Must(template.ParseGlob(tpath))
+
+	data := make(map[string]interface{})
+	data["files"] = files
+	data["meta"] = d.c.Meta
+
+	if err := t.ExecuteTemplate(w, "repo", data); err != nil {
+		Write500(w, *d.c)
+		log.Println(err)
+		return
+	}
+}
diff --git a/routes/template.go b/routes/template.go
new file mode 100644
index 0000000..212ed21
--- /dev/null
+++ b/routes/template.go
@@ -0,0 +1,32 @@
+package routes
+
+import (
+	"html/template"
+	"net/http"
+	"os"
+	"path/filepath"
+
+	"icyphox.sh/legit/config"
+)
+
+func Write404(w http.ResponseWriter, c config.Config) {
+	w.WriteHeader(404)
+	tpath := filepath.Join(c.Template.Dir, "404.html")
+	t := template.Must(template.ParseFiles(tpath))
+	t.Execute(w, nil)
+}
+
+func Write500(w http.ResponseWriter, c config.Config) {
+	w.WriteHeader(500)
+	tpath := filepath.Join(c.Template.Dir, "500.html")
+	t := template.Must(template.ParseFiles(tpath))
+	t.Execute(w, nil)
+}
+
+func funcMap() template.FuncMap {
+	return template.FuncMap{
+		"prettyMode": func(mode uint32) string {
+			return os.FileMode(mode).String()
+		},
+	}
+}
diff --git a/templates/404.html b/templates/404.html
new file mode 100644
index 0000000..c3825f4
--- /dev/null
+++ b/templates/404.html
@@ -0,0 +1,7 @@
+<html>
+  <title>404</title>
+{{ template "header" . }}
+  <body>
+    404 &mdash; nothing like that here
+  </body>
+</html>
diff --git a/templates/500.html b/templates/500.html
new file mode 100644
index 0000000..919f26c
--- /dev/null
+++ b/templates/500.html
@@ -0,0 +1,7 @@
+<html>
+  <title>500</title>
+{{ template "header" . }}
+  <body>
+    500 &mdash; something broke!
+  </body>
+</html>
diff --git a/templates/head.html b/templates/head.html
new file mode 100644
index 0000000..3739342
--- /dev/null
+++ b/templates/head.html
@@ -0,0 +1,7 @@
+{{ define "head" }}
+  <head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+    <!-- other meta tags here -->
+  </head>
+{{ end }}
diff --git a/templates/nav.html b/templates/nav.html
new file mode 100644
index 0000000..7568f01
--- /dev/null
+++ b/templates/nav.html
@@ -0,0 +1,9 @@
+{{ define "nav" }}
+  <nav>
+    <ul>
+      <li>some
+      <li>thing
+      <li>here
+    </ul>
+  </nav>
+{{ end }}
diff --git a/templates/repo.html b/templates/repo.html
new file mode 100644
index 0000000..e388de3
--- /dev/null
+++ b/templates/repo.html
@@ -0,0 +1,22 @@
+{{ define "repo" }}
+<html>
+{{ template "head" . }}
+
+  <header>
+    <h1>{{ .meta.Title }}</h1>
+    <h2>{{ .meta.Description }}</h2>
+  </header>
+  <body>
+    {{ template "nav" . }}
+    <main>
+      {{ range .files }}
+      {{ if .IsFile }}
+      <p>{{ .Mode }} {{ .Name }} {{ .Size }} </p>
+      {{ else }}
+      <p>d-------- {{ .Name}}/</p>
+      {{ end }}
+      {{ end }}
+    </main>
+  </body>
+</html>
+{{ end }}