# HG changeset patch
# User Sascha L. Teichmann <sascha.teichmann@intevation.de>
# Date 1532018032 -7200
# Node ID fe3a88f00b0ae3c3a04c88dd8cdbe2e022fdada2
# Parent  a9d9c2b1d08c89ac9433477dd85da62937264497
Experimental user creation support.

diff -r a9d9c2b1d08c -r fe3a88f00b0a cmd/tokenserver/main.go
--- a/cmd/tokenserver/main.go	Thu Jul 19 16:37:52 2018 +0200
+++ b/cmd/tokenserver/main.go	Thu Jul 19 18:33:52 2018 +0200
@@ -2,7 +2,6 @@
 
 import (
 	"context"
-	"encoding/json"
 	"flag"
 	"fmt"
 	"log"
@@ -21,78 +20,6 @@
 	fmt.Fprintf(rw, "%s is a sys_admin\n", session.User)
 }
 
-func renew(rw http.ResponseWriter, req *http.Request) {
-	token, _ := auth.GetToken(req)
-	newToken, err := auth.ConnPool.Renew(token)
-	switch {
-	case err == auth.ErrNoSuchToken:
-		http.NotFound(rw, req)
-		return
-	case err != nil:
-		http.Error(rw, fmt.Sprintf("error: %v", err), http.StatusInternalServerError)
-		return
-	}
-
-	session, _ := auth.GetSession(req)
-
-	var result = struct {
-		Token   string   `json:"token"`
-		Expires int64    `json:"expires"`
-		User    string   `json:"user"`
-		Roles   []string `json:"roles"`
-	}{
-		Token:   newToken,
-		Expires: session.ExpiresAt,
-		User:    session.User,
-		Roles:   session.Roles,
-	}
-
-	rw.Header().Set("Content-Type", "text/plain")
-	if err := json.NewEncoder(rw).Encode(&result); err != nil {
-		log.Printf("error: %v\n", err)
-	}
-}
-
-func logout(rw http.ResponseWriter, req *http.Request) {
-	token, _ := auth.GetToken(req)
-	deleted := auth.ConnPool.Delete(token)
-	if !deleted {
-		http.NotFound(rw, req)
-		return
-	}
-	rw.Header().Set("Content-Type", "text/plain")
-	fmt.Fprintln(rw, "token deleted")
-}
-
-func token(rw http.ResponseWriter, req *http.Request) {
-	user := req.FormValue("user")
-	password := req.FormValue("password")
-
-	token, session, err := auth.GenerateSession(user, password)
-
-	if err != nil {
-		http.Error(rw, fmt.Sprintf("error: %v", err), http.StatusInternalServerError)
-		return
-	}
-
-	var result = struct {
-		Token   string   `json:"token"`
-		Expires int64    `json:"expires"`
-		User    string   `json:"user"`
-		Roles   []string `json:"roles"`
-	}{
-		Token:   token,
-		Expires: session.ExpiresAt,
-		User:    session.User,
-		Roles:   session.Roles,
-	}
-
-	rw.Header().Set("Content-Type", "application/json")
-	if err := json.NewEncoder(rw).Encode(&result); err != nil {
-		log.Printf("error: %v\n", err)
-	}
-}
-
 func main() {
 	port := flag.Int("port", 8000, "port to listen at.")
 	host := flag.String("host", "localhost", "host to listen at.")
@@ -106,6 +33,9 @@
 	mux.Handle("/api/sys_admin",
 		auth.SessionMiddleware(
 			auth.SessionChecker(http.HandlerFunc(sysAdmin), auth.HasRole("sys_admin"))))
+	mux.Handle("/api/create_user",
+		auth.SessionMiddleware(
+			auth.SessionChecker(http.HandlerFunc(createUser), auth.HasRole("sys_admin"))))
 
 	addr := fmt.Sprintf("%s:%d", *host, *port)
 
diff -r a9d9c2b1d08c -r fe3a88f00b0a cmd/tokenserver/token.go
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cmd/tokenserver/token.go	Thu Jul 19 18:33:52 2018 +0200
@@ -0,0 +1,82 @@
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"log"
+	"net/http"
+
+	"gemma.intevation.de/gemma/auth"
+)
+
+func renew(rw http.ResponseWriter, req *http.Request) {
+	token, _ := auth.GetToken(req)
+	newToken, err := auth.ConnPool.Renew(token)
+	switch {
+	case err == auth.ErrNoSuchToken:
+		http.NotFound(rw, req)
+		return
+	case err != nil:
+		http.Error(rw, fmt.Sprintf("error: %v", err), http.StatusInternalServerError)
+		return
+	}
+
+	session, _ := auth.GetSession(req)
+
+	var result = struct {
+		Token   string   `json:"token"`
+		Expires int64    `json:"expires"`
+		User    string   `json:"user"`
+		Roles   []string `json:"roles"`
+	}{
+		Token:   newToken,
+		Expires: session.ExpiresAt,
+		User:    session.User,
+		Roles:   session.Roles,
+	}
+
+	rw.Header().Set("Content-Type", "text/plain")
+	if err := json.NewEncoder(rw).Encode(&result); err != nil {
+		log.Printf("error: %v\n", err)
+	}
+}
+
+func logout(rw http.ResponseWriter, req *http.Request) {
+	token, _ := auth.GetToken(req)
+	deleted := auth.ConnPool.Delete(token)
+	if !deleted {
+		http.NotFound(rw, req)
+		return
+	}
+	rw.Header().Set("Content-Type", "text/plain")
+	fmt.Fprintln(rw, "token deleted")
+}
+
+func token(rw http.ResponseWriter, req *http.Request) {
+	user := req.FormValue("user")
+	password := req.FormValue("password")
+
+	token, session, err := auth.GenerateSession(user, password)
+
+	if err != nil {
+		http.Error(rw, fmt.Sprintf("error: %v", err), http.StatusInternalServerError)
+		return
+	}
+
+	var result = struct {
+		Token   string   `json:"token"`
+		Expires int64    `json:"expires"`
+		User    string   `json:"user"`
+		Roles   []string `json:"roles"`
+	}{
+		Token:   token,
+		Expires: session.ExpiresAt,
+		User:    session.User,
+		Roles:   session.Roles,
+	}
+
+	rw.Header().Set("Content-Type", "application/json")
+	if err := json.NewEncoder(rw).Encode(&result); err != nil {
+		log.Printf("error: %v\n", err)
+	}
+}
diff -r a9d9c2b1d08c -r fe3a88f00b0a cmd/tokenserver/user.go
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cmd/tokenserver/user.go	Thu Jul 19 18:33:52 2018 +0200
@@ -0,0 +1,72 @@
+package main
+
+import (
+	"database/sql"
+	"encoding/json"
+	"log"
+	"net/http"
+
+	"gemma.intevation.de/gemma/auth"
+)
+
+type BoundingBox struct {
+	X1 float64 `json:"x1"`
+	Y1 float64 `json:"y1"`
+	X2 float64 `json:"x2"`
+	Y2 float64 `json:"y2"`
+}
+
+type User struct {
+	User     string       `json:"user"`
+	Role     string       `json:"role"`
+	Password string       `json:"password"`
+	Email    string       `json:"email"`
+	Country  string       `json:"country"`
+	Extent   *BoundingBox `json:"extent"`
+}
+
+const (
+	createUserSQL = `SELECT create_user($1, $2, $3, $4, $5, $6)`
+)
+
+func createUser(rw http.ResponseWriter, req *http.Request) {
+
+	var user User
+
+	defer req.Body.Close()
+	if err := json.NewDecoder(req.Body).Decode(&user); err != nil {
+		log.Printf("err: %v\n", err)
+		http.Error(rw, http.StatusText(http.StatusBadRequest), http.StatusBadRequest)
+		return
+	}
+
+	token, _ := auth.GetToken(req)
+	err := auth.ConnPool.Do(token, func(db *sql.DB) error {
+		_, err := db.Exec(
+			createUserSQL,
+			user.Role,
+			user.User,
+			user.Password,
+			user.Country,
+			nil,
+		)
+		return err
+	})
+
+	if err != nil {
+		log.Printf("err: %v\n", err)
+		http.Error(rw, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
+		return
+	}
+
+	var result = struct {
+		Result string `json:"result"`
+	}{
+		Result: "success",
+	}
+
+	rw.Header().Set("Content-Type", "application/json")
+	if err := json.NewEncoder(rw).Encode(&result); err != nil {
+		log.Printf("error: %v\n", err)
+	}
+}