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werc
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add zipfile support

This commit is contained in:
mischief 2015-07-18 20:20:02 -07:00
parent 51a6aab0e8
commit dec75e56c0
4 changed files with 252 additions and 43 deletions
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BIN
fixtures/site.zip Normal file
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136
main.go
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@ -7,14 +7,14 @@ import (
"time"
"flag"
"io/ioutil"
"log"
"os"
"encoding/json"
"github.com/russross/blackfriday"
"html/template"
"github.com/russross/blackfriday"
"net"
"net/http"
"path/filepath"
@ -46,19 +46,32 @@ type MenuEntry struct {
}
type Werc struct {
root string
conf WercConfig
tmpl *template.Template
root string
conf WercConfig
tmpl *template.Template
store Store
}
func New(root string) *Werc {
w := new(Werc)
w.root = root
w.tmpl = template.Must(template.ParseGlob(root + "/lib/*.html"))
w.tmpl = template.New("root")
b, err := ioutil.ReadFile(root + "/etc/config.json")
var err error
if strings.HasSuffix(root, ".zip") {
w.store, err = openZipStore(root)
} else {
w.store = &fileStore{root}
err = nil
}
if err != nil {
log.Printf("no config.json in %s", root)
log.Printf("can't open root: %v", err)
return nil
}
b, err := w.store.ReadFile("etc/config.json")
if err != nil {
log.Printf("error loading config.json: %v", err)
return nil
}
err = json.Unmarshal(b, &w.conf)
@ -66,6 +79,17 @@ func New(root string) *Werc {
log.Printf("%s: %s", root+"/config.json", err)
return nil
}
// load templates
tmpls := []string{"base", "directory", "footer", "menu", "text", "topbar"}
for _, tn := range tmpls {
b, err := w.store.ReadFile(fmt.Sprintf("lib/%s.html", tn))
if err != nil {
panic(err)
}
template.Must(w.tmpl.New(tn + ".html").Parse(string(b)))
}
return w
}
@ -134,7 +158,7 @@ func (werc *Werc) genmenu(site, dir string) []MenuEntry {
for i := range dirs {
var sub []MenuEntry
b := filepath.Join(base, dirs[i])
fi, _ := ioutil.ReadDir(b)
fi, _ := werc.store.ReadDir(b)
for _, f := range fi {
newname, ok := okmenu(b, f)
if !ok {
@ -172,23 +196,20 @@ func (werc *Werc) genmenu(site, dir string) []MenuEntry {
return root
}
func (werc *Werc) WercCommon(w http.ResponseWriter, r *http.Request, page *WercPage) {
site, _, _ := net.SplitHostPort(r.Host)
if site == "" {
site = werc.conf.MasterSite
}
func (werc *Werc) WercCommon(w http.ResponseWriter, r *http.Request, site string, page *WercPage) {
path := r.URL.Path
page.Menu = werc.genmenu(site, path)
conf := werc.root + "/sites/" + site + "/_werc/config.json"
b, err := ioutil.ReadFile(conf)
if err != nil {
log.Printf("%s: %s", conf, err)
}
err = json.Unmarshal(b, &page.Config)
conf := "sites/" + site + "/_werc/config.json"
b, err := werc.store.ReadFile(conf)
if err != nil {
log.Printf("%s: %s", conf, err)
} else {
err = json.Unmarshal(b, &page.Config)
if err != nil {
log.Printf("%s: %s", conf, err)
}
}
//log.Printf("root %+v", page.Menu)
if err := werc.tmpl.ExecuteTemplate(w, "base.html", page); err != nil {
@ -221,7 +242,7 @@ func okmenu(base string, fi os.FileInfo) (string, bool) {
return "", false
}
func (werc *Werc) WercDir(w http.ResponseWriter, r *http.Request, dir string) {
func (werc *Werc) WercDir(w http.ResponseWriter, r *http.Request, site, dir string) {
type DirEntry struct {
Name string
Fi os.FileInfo
@ -236,7 +257,7 @@ func (werc *Werc) WercDir(w http.ResponseWriter, r *http.Request, dir string) {
data.Title = r.URL.Path
buf := new(bytes.Buffer)
fi, err := ioutil.ReadDir(dir)
fi, err := werc.store.ReadDir(dir)
if err != nil {
http.Error(w, fmt.Sprintf("%s", err), 500)
return
@ -249,30 +270,30 @@ func (werc *Werc) WercDir(w http.ResponseWriter, r *http.Request, dir string) {
}
werc.tmpl.ExecuteTemplate(buf, "directory.html", data)
werc.WercCommon(w, r, &WercPage{Title: ptitle(dir), Content: template.HTML(buf.String())})
werc.WercCommon(w, r, site, &WercPage{Title: ptitle(dir), Content: template.HTML(buf.String())})
}
func (werc *Werc) WercMd(w http.ResponseWriter, r *http.Request, path string) {
b, err := ioutil.ReadFile(path)
func (werc *Werc) WercMd(w http.ResponseWriter, r *http.Request, site, path string) {
b, err := werc.store.ReadFile(path)
if err != nil {
http.Error(w, fmt.Sprintf("%s", err), 404)
return
}
md := blackfriday.MarkdownBasic(b)
werc.WercCommon(w, r, &WercPage{Title: ptitle(path), Content: template.HTML(string(md))})
werc.WercCommon(w, r, site, &WercPage{Title: ptitle(path), Content: template.HTML(string(md))})
}
func (werc *Werc) WercHTML(w http.ResponseWriter, r *http.Request, path string) {
b, err := ioutil.ReadFile(path)
func (werc *Werc) WercHTML(w http.ResponseWriter, r *http.Request, site, path string) {
b, err := werc.store.ReadFile(path)
if err != nil {
http.Error(w, fmt.Sprintf("%s", err), 404)
return
}
werc.WercCommon(w, r, &WercPage{Title: ptitle(path), Content: template.HTML(string(b))})
werc.WercCommon(w, r, site, &WercPage{Title: ptitle(path), Content: template.HTML(string(b))})
}
func (werc *Werc) WercTXT(w http.ResponseWriter, r *http.Request, path string) {
b, err := ioutil.ReadFile(path)
func (werc *Werc) WercTXT(w http.ResponseWriter, r *http.Request, site, path string) {
b, err := werc.store.ReadFile(path)
if err != nil {
http.Error(w, fmt.Sprintf("%s", err), 404)
return
@ -280,11 +301,25 @@ func (werc *Werc) WercTXT(w http.ResponseWriter, r *http.Request, path string) {
buf := new(bytes.Buffer)
werc.tmpl.ExecuteTemplate(buf, "text.html", string(b))
werc.WercCommon(w, r, &WercPage{Title: ptitle(path), Content: template.HTML(buf.String())})
werc.WercCommon(w, r, site, &WercPage{Title: ptitle(path), Content: template.HTML(buf.String())})
}
func (werc *Werc) Werc404(w http.ResponseWriter, r *http.Request) {
http.NotFound(w, r)
func (werc *Werc) Pub(w http.ResponseWriter, r *http.Request, path string) {
if strings.HasPrefix(path, "/") {
path = path[1:]
}
b, err := werc.store.ReadFile(path)
if err != nil {
log.Printf("Pub: %v", err)
http.Error(w, err.Error(), 404)
return
}
buf := bytes.NewReader(b)
http.ServeContent(w, r, filepath.Base(path), time.Now(), buf)
log.Printf("pub sent %d bytes", len(b))
}
func (werc *Werc) ServeHTTP(w http.ResponseWriter, r *http.Request) {
@ -295,7 +330,14 @@ func (werc *Werc) ServeHTTP(w http.ResponseWriter, r *http.Request) {
}
path := r.URL.Path
base := werc.root + "/sites/" + site
// try pub first
if strings.HasPrefix(path, "/pub") {
werc.Pub(w, r, path)
return
}
again:
base := "sites/" + site
if strings.HasSuffix(path, "/index") {
http.Redirect(w, r, strings.TrimSuffix(path, "/index"), http.StatusMovedPermanently)
@ -303,7 +345,7 @@ func (werc *Werc) ServeHTTP(w http.ResponseWriter, r *http.Request) {
}
if !strings.HasSuffix(path, "/") {
if st, err := os.Stat(base + path); err == nil {
if st, err := werc.store.Stat(base + path); err == nil {
if st.Mode().IsDir() {
http.Redirect(w, r, path+"/", http.StatusMovedPermanently)
return
@ -312,12 +354,14 @@ func (werc *Werc) ServeHTTP(w http.ResponseWriter, r *http.Request) {
}
// various format handling
sufferring := map[string]func(w http.ResponseWriter, r *http.Request, path string){
sufferring := map[string]func(w http.ResponseWriter, r *http.Request, site, path string){
"md": werc.WercMd,
"html": werc.WercHTML,
"txt": werc.WercTXT,
}
log.Printf("path %v", base)
for suf, handler := range sufferring {
f := base
if strings.HasSuffix(path, "/") {
@ -326,18 +370,18 @@ func (werc *Werc) ServeHTTP(w http.ResponseWriter, r *http.Request) {
f = filepath.Join(f, path+"."+suf)
}
if _, err := os.Stat(f); err == nil {
if _, err := werc.store.Stat(f); err == nil {
log.Printf("%s %s", suf, f)
handler(w, r, f)
handler(w, r, site, f)
return
}
}
if st, err := os.Stat(base + path); err == nil {
if st, err := werc.store.Stat(base + path); err == nil {
if st.Mode().IsDir() {
// directory handling
log.Printf("d %s", base+path)
werc.WercDir(w, r, base+path)
werc.WercDir(w, r, site, base+path)
return
} else {
// plain file handling
@ -347,7 +391,14 @@ func (werc *Werc) ServeHTTP(w http.ResponseWriter, r *http.Request) {
}
}
werc.Werc404(w, r)
if site != werc.conf.MasterSite {
site = werc.conf.MasterSite
goto again
}
log.Printf("404 %s", path)
http.NotFound(w, r)
}
func main() {
@ -355,7 +406,6 @@ func main() {
w := New(*root)
mux := http.NewServeMux()
mux.Handle("/", w)
mux.Handle("/pub/", http.StripPrefix("/pub/", http.FileServer(http.Dir(filepath.Join(w.root, "pub")))))
s := &http.Server{
Addr: *listen,
Handler: mux,

135
store.go Normal file
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@ -0,0 +1,135 @@
package main
import (
"archive/zip"
"io/ioutil"
"log"
"os"
"path/filepath"
"strings"
)
type Store interface {
ReadFile(filename string) ([]byte, error)
ReadDir(dirname string) ([]os.FileInfo, error)
Stat(name string) (os.FileInfo, error)
}
type fileStore struct {
base string
}
func (f *fileStore) ReadFile(filename string) ([]byte, error) {
path := filepath.Join(f.base, filename)
return ioutil.ReadFile(path)
}
func (f *fileStore) ReadDir(dirname string) ([]os.FileInfo, error) {
path := filepath.Join(f.base, dirname)
return ioutil.ReadDir(path)
}
func (f *fileStore) Stat(name string) (os.FileInfo, error) {
path := filepath.Join(f.base, name)
return os.Stat(path)
}
type zipStore struct {
archive *zip.ReadCloser
files map[string]*zip.File
dirs map[string][]*zip.File
}
func openZipStore(file string) (*zipStore, error) {
r, err := zip.OpenReader(file)
if err != nil {
log.Fatal(err)
}
zs := &zipStore{r, make(map[string]*zip.File), make(map[string][]*zip.File)}
log.Printf("zip %q loading files...", file)
for _, file := range r.File {
zs.files[file.Name] = file
log.Printf("%v...", file.Name)
}
log.Printf("zip %q loading directories...", file)
for _, dir := range r.File {
if !strings.HasSuffix(dir.Name, "/") {
continue
}
var fi []*zip.File
for _, file := range zs.files {
name := file.Name
if name == dir.Name {
continue
}
if strings.HasSuffix(name, "/") {
name = name[:len(name)-1]
}
d, _ := filepath.Split(name)
if d != dir.Name {
continue
}
fi = append(fi, file)
if strings.HasPrefix(file.Name, dir.Name) {
log.Printf("%v in dir %v", file.Name, dir.Name)
}
}
zs.dirs[dir.Name] = fi
log.Printf("%v...", dir.Name)
}
return zs, nil
}
func (z *zipStore) ReadFile(filename string) ([]byte, error) {
log.Printf("read of %v", filename)
zf, ok := z.files[filename]
if !ok {
return nil, os.ErrNotExist
}
zr, err := zf.Open()
if err != nil {
return nil, err
}
defer zr.Close()
zc, err := ioutil.ReadAll(zr)
if err != nil {
return nil, err
}
return zc, nil
}
func (z *zipStore) ReadDir(dirname string) ([]os.FileInfo, error) {
var fi []os.FileInfo
dir, ok := z.dirs[dirname]
if !ok {
return nil, os.ErrNotExist
}
for _, d := range dir {
fi = append(fi, d.FileInfo())
}
return fi, nil
}
func (z *zipStore) Stat(name string) (os.FileInfo, error) {
log.Printf("stat %v", name)
if f, ok := z.files[name]; ok {
return f.FileInfo(), nil
}
return nil, os.ErrNotExist
}

24
store_test.go Normal file
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@ -0,0 +1,24 @@
package main
import (
"testing"
"github.com/coreos/fleet/log"
)
func TestZipStore(t *testing.T) {
file := "fixtures/site.zip"
zs, err := openZipStore(file)
if err != nil {
log.Error(err)
return
}
ls, err := zs.ReadDir("site/foo/")
if err != nil {
log.Error(err)
return
}
t.Logf("file %v", ls[0].Name())
}