initial import

2015-07-23 11:05:21 -04:00 · 2015-07-23 11:05:21 -04:00 · 45cf18ff46
commit 45cf18ff46
parent 91c50a294c
3 changed files with 97 additions and 7 deletions
--- a/.gitignore
+++ b/.gitignore
@ -0,0 +1 @@
+*swp
--- a/main.go
+++ b/main.go
@ -1,4 +1,93 @@
 package main

-func main() {
+import (
+	"encoding/json"
+	"fmt"
+	"io/ioutil"
+	"net/http"
+)
+
+// {{{ Package Struct
+type Package struct {
+	Repo     string
+	Path     string
+	Packages []string
 }
+
+func (p Package) GetRoutes() (ret []string) {
+	ret = append(ret, p.Path)
+	for _, pkg := range p.Packages {
+		ret = append(ret, p.Path+"/"+pkg)
+	}
+	return
+}
+
+// }}}
+
+// {{{ JSON Functions
+
+func writePage(w http.ResponseWriter, data string, code int) error {
+	w.Header().Set("Content-Type", "text/html; charset=UTF-8")
+	w.WriteHeader(code)
+	w.Write([]byte(data))
+	return nil
+}
+
+func writePageError(w http.ResponseWriter, message string, code int) error {
+	return writePage(w, message, code)
+}
+
+func writePageGo(w http.ResponseWriter, path string, pkg *Package, code int) error {
+	return writePage(w, fmt.Sprintf(`<!DOCTYPE html><html>
+	<head><meta charset="utf-8"><title>%s</title><meta name="go-import" content="%s %s %s"></head>
+    <body>%s</body>
+</html>`, "Package!", path, "git", pkg.Repo, "Package!"), code)
+}
+
+// }}}
+
+// {{{ Config Functions
+
+func loadConfig() (ret []Package, err error) {
+	content, err := ioutil.ReadFile("packages.json")
+	if err != nil {
+		return
+	}
+	err = json.Unmarshal(content, &ret)
+	return
+}
+
+func loadRoutes(packages []Package) (routes map[string]*Package) {
+	routes = map[string]*Package{}
+
+	for _, pkg := range packages {
+		for _, route := range pkg.GetRoutes() {
+			routes[route] = &pkg
+		}
+	}
+	return
+}
+
+// }}}
+
+func main() {
+	mux := http.NewServeMux()
+	packages, err := loadConfig()
+	if err != nil {
+		fmt.Errorf("%s\n", err)
+		return
+	}
+	routes := loadRoutes(packages)
+
+	mux.HandleFunc("/", func(w http.ResponseWriter, req *http.Request) {
+		route := req.URL.Path
+		if val, ok := routes[route]; ok {
+			writePageGo(w, req.Host+route, val, 200)
+		} else {
+			writePageError(w, ":(", 401)
+		}
+	})
+	http.ListenAndServe(":8000", mux)
+}
+
+// vim: foldmethod=marker
--- a/packages.json
+++ b/packages.json
@ -1,9 +1,9 @@
 [
-    {"repo": "git://github.com/paultag/go-debian",
-     "path": "/go/debian",
-     "packages": ["control", "dependency", "version"]},
+    {"Repo": "git://github.com/paultag/go-debian",
+     "Path": "/go/debian",
+     "Packages": ["control", "dependency", "version"]},

-    {"repo": "git://github.com/paultag/go-topsort",
-     "path": "/go/topsort",
-     "packages": []}
+    {"Repo": "git://github.com/paultag/go-topsort",
+     "Path": "/go/topsort",
+     "Packages": []}
 ]