From e98810ec012932029c799f53d200b9c3115ad77d Mon Sep 17 00:00:00 2001
From: nsz <nsz@port70.net>
Date: Tue, 20 Dec 2011 23:12:28 +0100
Subject: [PATCH] epoint-client: separate issuer and holder key gen

---
 cmd/epoint-client/epoint-client.go | 111 +++++++++++++++++++++++------
 1 file changed, 91 insertions(+), 20 deletions(-)

diff --git a/cmd/epoint-client/epoint-client.go b/cmd/epoint-client/epoint-client.go
index 4281519..019a4d3 100644
--- a/cmd/epoint-client/epoint-client.go
+++ b/cmd/epoint-client/epoint-client.go
@@ -17,14 +17,15 @@ import (
 	"strconv"
 )
 
-// TODO: store documents, query store (keys), easy submit
+// TODO: store documents, query document by id, easy submit
 
 var db *store.Conn
 
 const usage = `usage: ./epoint-client [k|d|s|v|c] [args..] < [seed|document]
 server is http://localhost:8080 by default
 
-k - make key, use seed for generation, args: [issuer] denomination
+i - make issuer key, use seed for generation, args: denomination
+h - make holder key, use seed for generation, args: issuer
 d - make draft, use seed for signing key, args: targetid value
 s - submit a (key|draft|cert) document, args: k|d|c [server]
 v - verify a document (prints body of the document if ok)
@@ -37,13 +38,32 @@ func rnd(n int) (r []byte, err error) {
 	return
 }
 
-func k(r []byte, issuer, denom string) (err error) {
+func k(r []byte, cmd, arg string) (err error) {
 	var e *openpgp.Entity
 
-	if issuer == "" {
-		e, err = key.Issuer(r, denom)
+	if cmd == "i" {
+		e, err = key.Issuer(r, arg)
 	} else {
-		e, err = key.Holder(r, issuer, denom)
+		s, err1 := db.Get("key", arg)
+		err = err1
+		if err != nil {
+			return
+		}
+		ie, err1 := key.Parse(s)
+		err = err1
+		if err != nil {
+			return
+		}
+		isIssuer, _, denom, err1 := key.Check(ie)
+		err = err1
+		if err != nil {
+			return
+		}
+		if !isIssuer {
+			err = fmt.Errorf("Not an issuer key: %s", arg)
+			return
+		}
+		e, err = key.Holder(r, arg, denom)
 	}
 	if err != nil {
 		return
@@ -143,10 +163,11 @@ func d(r []byte, target, value string) (err error) {
 		return
 	}
 	draft.Nonce = fmt.Sprintf("%X", nonce)
-	s, _, err := document.Format(draft, e)
+	s, c, err := document.Format(draft, e)
 	if err != nil {
 		return
 	}
+	log.Printf("draft id: %s", document.Id(c))
 	_, err = os.Stdout.Write(s)
 	return
 }
@@ -162,19 +183,72 @@ func s(d []byte, cmd, server string) (err error) {
 		err = fmt.Errorf("unknown submit command: %s", cmd)
 		return
 	}
+	id := ""
+	switch cmd {
+	case "k":
+		e, err1 := key.Parse(d)
+		err = err1
+		if err != nil {
+			return
+		}
+		id = key.Id(e)
+		err = db.Set("key", id, d)
+	case "d":
+		_, s, err1 := document.Parse(d)
+		err = err1
+		if err != nil {
+			return
+		}
+		id = document.Id(s)
+		err = db.Set("draft", id, d)
+	case "c":
+		_, s, err1 := document.Parse(d)
+		err = err1
+		if err != nil {
+			return
+		}
+		id = document.Id(s)
+		err = db.Set("cert", id, d)
+	}
+	if err != nil {
+		return
+	}
+	log.Printf("document id: %s, server: %s", id, server)
 	resp, err := http.PostForm(server+"/submit", url.Values{k: {string(d)}})
 	if err != nil {
 		return
 	}
 	if resp.StatusCode != 200 {
-		log.Printf("request failed: %s\n", resp.Status)
+		log.Printf("request failed: %s", resp.Status)
 	}
 	// TODO: store result
-	_, err = io.Copy(os.Stdout, resp.Body)
+	b, err := readall(resp.Body)
+	defer resp.Body.Close()
 	if err != nil {
 		return
 	}
-	err = resp.Body.Close()
+	_, err = os.Stdout.Write(b)
+	if err != nil {
+		return
+	}
+	cert, s, err := document.Parse(b)
+	if err != nil {
+		return
+	}
+	d, err = db.Get("", "serverkey")
+	if err != nil {
+		return
+	}
+	e, err := key.Parse(d)
+	if err != nil {
+		return
+	}
+	err = document.Verify(s, openpgp.EntityList{e})
+	if err != nil {
+		return
+	}
+	log.Printf("response type: %T, response id: %s", cert, document.Id(s))
+	err = db.Set("cert", document.Id(s), b)
 	return
 }
 
@@ -233,6 +307,10 @@ func c(server string) (err error) {
 		return
 	}
 	log.Printf("got server key %s", key.Id(e))
+	err = db.Set("key", key.Id(e), b)
+	if err != nil {
+		return
+	}
 	err = db.Set("", "serverkey", b)
 	return
 }
@@ -314,18 +392,11 @@ func main() {
 	db, err = initstore(storedir())
 	server := "http://localhost:8080"
 	switch os.Args[1] {
-	case "k":
-		issuer := ""
-		denom := ""
-		if len(os.Args) == 4 {
-			issuer = os.Args[2]
-			denom = os.Args[3]
-		} else if len(os.Args) == 3 {
-			denom = os.Args[2]
-		} else {
+	case "h", "i":
+		if len(os.Args) != 3 {
 			log.Fatal(usage)
 		}
-		err = k(read(), issuer, denom)
+		err = k(read(), os.Args[1], os.Args[2])
 	case "d":
 		if len(os.Args) != 4 {
 			log.Fatal(usage)
-- 
2.20.1