X-Git-Url: http://www.git.cypherpunks.ru/?p=gocheese.git;a=blobdiff_plain;f=gocheese.go;h=25a1b562918b1a6b35f7e48c663cfc38faa21829;hp=a11e03f04d0a398efd1c1d24f9437ea0142def0a;hb=48325fb9a20dcc7fab91c6f3c86618e19057254e;hpb=099686a6455463aa6ccba141da1481c82fdb0cec
diff --git a/gocheese.go b/gocheese.go
index a11e03f..25a1b56 100644
--- a/gocheese.go
+++ b/gocheese.go
@@ -45,12 +45,20 @@ import (
)
const (
- HTMLBegin = "Links for %sLinks for %s
\n"
- HTMLEnd = ""
- HTMLElement = "%s
\n"
+ HTMLBegin = `
+
+
+ Links for %s
+
+
+`
+ HTMLEnd = " \n\n"
+ HTMLElement = " %s
\n"
SHA256Prefix = "sha256="
SHA256Ext = ".sha256"
InternalFlag = ".internal"
+ GPGSigExt = ".asc"
+ GPGSigAttr = " data-gpg-sig=true"
Warranty = `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
@@ -75,6 +83,7 @@ var (
tlsKey = flag.String("tls-key", "", "Path to TLS X.509 private key")
norefreshURLPath = flag.String("norefresh", "/norefresh/", "Non-refreshing URL path")
refreshURLPath = flag.String("refresh", "/simple/", "Auto-refreshing URL path")
+ gpgUpdateURLPath = flag.String("gpgupdate", "/gpgupdate/", "GPG forceful refreshing URL path")
pypiURL = flag.String("pypi", "https://pypi.org/simple/", "Upstream PyPI URL")
passwdPath = flag.String("passwd", "passwd", "Path to file with authenticators")
passwdCheck = flag.Bool("passwd-check", false, "Test the -passwd file for syntax errors and exit")
@@ -84,6 +93,8 @@ var (
warranty = flag.Bool("warranty", false, "Print warranty information")
killed bool
+
+ normalizationRe *regexp.Regexp = regexp.MustCompilePOSIX("[-_.]+")
)
func mkdirForPkg(w http.ResponseWriter, r *http.Request, dir string) bool {
@@ -98,7 +109,13 @@ func mkdirForPkg(w http.ResponseWriter, r *http.Request, dir string) bool {
return true
}
-func refreshDir(w http.ResponseWriter, r *http.Request, dir, filenameGet string) bool {
+func refreshDir(
+ w http.ResponseWriter,
+ r *http.Request,
+ dir,
+ filenameGet string,
+ gpgUpdate bool,
+) bool {
if _, err := os.Stat(filepath.Join(*root, dir, InternalFlag)); err == nil {
return true
}
@@ -116,6 +133,7 @@ func refreshDir(w http.ResponseWriter, r *http.Request, dir, filenameGet string)
if !mkdirForPkg(w, r, dir) {
return false
}
+ dirPath := filepath.Join(*root, dir)
var submatches []string
var uri string
var filename string
@@ -138,6 +156,8 @@ func refreshDir(w http.ResponseWriter, r *http.Request, dir, filenameGet string)
http.Error(w, err.Error(), http.StatusBadGateway)
return false
}
+ pkgURL.Fragment = ""
+ path = filepath.Join(dirPath, filename)
if filename == filenameGet {
if killed {
// Skip heavy remote call, when shutting down
@@ -145,15 +165,14 @@ func refreshDir(w http.ResponseWriter, r *http.Request, dir, filenameGet string)
return false
}
log.Println(r.RemoteAddr, "pypi download", filename)
- path = filepath.Join(*root, dir, filename)
- resp, err = http.Get(uri)
+ resp, err = http.Get(pkgURL.String())
if err != nil {
http.Error(w, err.Error(), http.StatusBadGateway)
return false
}
defer resp.Body.Close()
hasher := sha256.New()
- dst, err := TempFile(filepath.Join(*root, dir))
+ dst, err := TempFile(dirPath)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return false
@@ -184,7 +203,22 @@ func refreshDir(w http.ResponseWriter, r *http.Request, dir, filenameGet string)
return false
}
}
- path = filepath.Join(*root, dir, filename+SHA256Ext)
+ if filename == filenameGet || gpgUpdate {
+ if _, err = os.Stat(path); err == nil {
+ if resp, err := http.Get(pkgURL.String() + GPGSigExt); err == nil {
+ sig, err := ioutil.ReadAll(resp.Body)
+ resp.Body.Close()
+ if err == nil {
+ if err = WriteFileSync(dirPath, path+GPGSigExt, sig); err != nil {
+ http.Error(w, err.Error(), http.StatusInternalServerError)
+ return false
+ }
+ log.Println(r.RemoteAddr, "pypi downloaded signature", filename)
+ }
+ }
+ }
+ }
+ path = path + SHA256Ext
_, err = os.Stat(path)
if err == nil {
continue
@@ -194,7 +228,7 @@ func refreshDir(w http.ResponseWriter, r *http.Request, dir, filenameGet string)
return false
}
log.Println(r.RemoteAddr, "pypi touch", filename)
- if err = ioutil.WriteFile(path, digest, os.FileMode(0666)); err != nil {
+ if err = WriteFileSync(dirPath, path, digest); err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return false
}
@@ -209,7 +243,7 @@ func listRoot(w http.ResponseWriter, r *http.Request) {
return
}
var result bytes.Buffer
- result.WriteString(fmt.Sprintf(HTMLBegin, "root", "root"))
+ result.WriteString(fmt.Sprintf(HTMLBegin, "root"))
for _, file := range files {
if file.Mode().IsDir() {
result.WriteString(fmt.Sprintf(
@@ -223,13 +257,19 @@ func listRoot(w http.ResponseWriter, r *http.Request) {
w.Write(result.Bytes())
}
-func listDir(w http.ResponseWriter, r *http.Request, dir string, autorefresh bool) {
+func listDir(
+ w http.ResponseWriter,
+ r *http.Request,
+ dir string,
+ autorefresh,
+ gpgUpdate bool,
+) {
dirPath := filepath.Join(*root, dir)
if autorefresh {
- if !refreshDir(w, r, dir, "") {
+ if !refreshDir(w, r, dir, "", gpgUpdate) {
return
}
- } else if _, err := os.Stat(dirPath); os.IsNotExist(err) && !refreshDir(w, r, dir, "") {
+ } else if _, err := os.Stat(dirPath); os.IsNotExist(err) && !refreshDir(w, r, dir, "", false) {
return
}
files, err := ioutil.ReadDir(dirPath)
@@ -238,8 +278,9 @@ func listDir(w http.ResponseWriter, r *http.Request, dir string, autorefresh boo
return
}
var result bytes.Buffer
- result.WriteString(fmt.Sprintf(HTMLBegin, dir, dir))
+ result.WriteString(fmt.Sprintf(HTMLBegin, dir))
var data []byte
+ var gpgSigAttr string
var filenameClean string
for _, file := range files {
if !strings.HasSuffix(file.Name(), SHA256Ext) {
@@ -256,12 +297,18 @@ func listDir(w http.ResponseWriter, r *http.Request, dir string, autorefresh boo
return
}
filenameClean = strings.TrimSuffix(file.Name(), SHA256Ext)
+ if _, err = os.Stat(filepath.Join(dirPath, filenameClean+GPGSigExt)); os.IsNotExist(err) {
+ gpgSigAttr = ""
+ } else {
+ gpgSigAttr = GPGSigAttr
+ }
result.WriteString(fmt.Sprintf(
HTMLElement,
strings.Join([]string{
*refreshURLPath, dir, "/",
filenameClean, "#", SHA256Prefix, hex.EncodeToString(data),
}, ""),
+ gpgSigAttr,
filenameClean,
))
}
@@ -273,7 +320,7 @@ func servePkg(w http.ResponseWriter, r *http.Request, dir, filename string) {
log.Println(r.RemoteAddr, "get", filename)
path := filepath.Join(*root, dir, filename)
if _, err := os.Stat(path); os.IsNotExist(err) {
- if !refreshDir(w, r, dir, filename) {
+ if !refreshDir(w, r, dir, filename, false) {
return
}
}
@@ -298,11 +345,26 @@ func serveUpload(w http.ResponseWriter, r *http.Request) {
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
+ pkgNames, exists := r.MultipartForm.Value["name"]
+ if !exists || len(pkgNames) != 1 {
+ http.Error(w, "name is expected in request", http.StatusBadRequest)
+ return
+ }
+ dir := normalizationRe.ReplaceAllString(pkgNames[0], "-")
+ dirPath := filepath.Join(*root, dir)
+ var digestExpected []byte
+ if digestExpectedHex, exists := r.MultipartForm.Value["sha256_digest"]; exists {
+ digestExpected, err = hex.DecodeString(digestExpectedHex[0])
+ if err != nil {
+ http.Error(w, "bad sha256_digest: "+err.Error(), http.StatusBadRequest)
+ return
+ }
+ }
+ gpgSigsExpected := make(map[string]struct{})
for _, file := range r.MultipartForm.File["content"] {
filename := file.Filename
+ gpgSigsExpected[filename+GPGSigExt] = struct{}{}
log.Println(r.RemoteAddr, "put", filename, "by", username)
- dir := filename[:strings.LastIndex(filename, "-")]
- dirPath := filepath.Join(*root, dir)
path := filepath.Join(dirPath, filename)
if _, err = os.Stat(path); err == nil {
log.Println(r.RemoteAddr, "already exists", filename)
@@ -347,11 +409,52 @@ func serveUpload(w http.ResponseWriter, r *http.Request) {
return
}
dst.Close()
+ digest := hasher.Sum(nil)
+ if digestExpected != nil {
+ if bytes.Compare(digestExpected, digest) == 0 {
+ log.Println(r.RemoteAddr, filename, "good checksum received")
+ } else {
+ log.Println(r.RemoteAddr, filename, "bad checksum received")
+ http.Error(w, "bad checksum", http.StatusBadRequest)
+ os.Remove(dst.Name())
+ return
+ }
+ }
if err = os.Rename(dst.Name(), path); err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
- if err = ioutil.WriteFile(path+SHA256Ext, hasher.Sum(nil), os.FileMode(0666)); err != nil {
+ if err = WriteFileSync(dirPath, path+SHA256Ext, digest); err != nil {
+ http.Error(w, err.Error(), http.StatusInternalServerError)
+ return
+ }
+ }
+ for _, file := range r.MultipartForm.File["gpg_signature"] {
+ filename := file.Filename
+ if _, exists := gpgSigsExpected[filename]; !exists {
+ http.Error(w, "unexpected GPG signature filename", http.StatusBadRequest)
+ return
+ }
+ delete(gpgSigsExpected, filename)
+ log.Println(r.RemoteAddr, "put", filename, "by", username)
+ path := filepath.Join(dirPath, filename)
+ if _, err = os.Stat(path); err == nil {
+ log.Println(r.RemoteAddr, "already exists", filename)
+ http.Error(w, "Already exists", http.StatusBadRequest)
+ return
+ }
+ src, err := file.Open()
+ if err != nil {
+ http.Error(w, err.Error(), http.StatusInternalServerError)
+ return
+ }
+ sig, err := ioutil.ReadAll(src)
+ src.Close()
+ if err != nil {
+ http.Error(w, err.Error(), http.StatusInternalServerError)
+ return
+ }
+ if err = WriteFileSync(dirPath, path, sig); err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
@@ -363,12 +466,19 @@ func handler(w http.ResponseWriter, r *http.Request) {
case "GET":
var path string
var autorefresh bool
+ var gpgUpdate bool
if strings.HasPrefix(r.URL.Path, *norefreshURLPath) {
path = strings.TrimPrefix(r.URL.Path, *norefreshURLPath)
- autorefresh = false
- } else {
+ } else if strings.HasPrefix(r.URL.Path, *refreshURLPath) {
path = strings.TrimPrefix(r.URL.Path, *refreshURLPath)
autorefresh = true
+ } else if strings.HasPrefix(r.URL.Path, *gpgUpdateURLPath) {
+ path = strings.TrimPrefix(r.URL.Path, *gpgUpdateURLPath)
+ autorefresh = true
+ gpgUpdate = true
+ } else {
+ http.Error(w, "unknown action", http.StatusBadRequest)
+ return
}
parts := strings.Split(strings.TrimSuffix(path, "/"), "/")
if len(parts) > 2 {
@@ -379,7 +489,7 @@ func handler(w http.ResponseWriter, r *http.Request) {
if parts[0] == "" {
listRoot(w, r)
} else {
- listDir(w, r, parts[0], autorefresh)
+ listDir(w, r, parts[0], autorefresh, gpgUpdate)
}
} else {
servePkg(w, r, parts[0], parts[1])
@@ -472,6 +582,7 @@ func main() {
}
http.HandleFunc(*norefreshURLPath, handler)
http.HandleFunc(*refreshURLPath, handler)
+ http.HandleFunc(*gpgUpdateURLPath, handler)
needsRefreshPasswd := make(chan os.Signal, 0)
needsShutdown := make(chan os.Signal, 0)