Add client package #6

Merged
torjus merged 2 commits from feature/client-package into master 2022-01-20 16:55:45 +00:00
6 changed files with 364 additions and 33 deletions
Showing only changes of commit a4bf701ac3 - Show all commits

View File

@ -119,13 +119,8 @@ func (s *HTTPServer) HandlerAPIFileGet(w http.ResponseWriter, r *http.Request) {
func (s *HTTPServer) processMultiPartFormUpload(w http.ResponseWriter, r *http.Request) {
reqID := middleware.GetReqID(r.Context())
type resp struct {
Message string `json:"message"`
ID string `json:"id"`
URL string `json:"url"`
}
var responses []resp
var responses []ResponseAPIFilePost
if err := r.ParseMultipartForm(1024 * 1024 * 10); err != nil {
s.Logger.Warnw("Error parsing multipart form.", "req_id", reqID, "err", err)
@ -149,7 +144,7 @@ func (s *HTTPServer) processMultiPartFormUpload(w http.ResponseWriter, r *http.R
}
s.Logger.Infow("Stored file.", "req_id", reqID, "id", f.ID, "filename", f.OriginalFilename, "remote_addr", r.RemoteAddr)
responses = append(responses, resp{Message: "OK", ID: f.ID, URL: "TODO"})
responses = append(responses, ResponseAPIFilePost{Message: "OK", ID: f.ID, URL: "TODO"})
}
@ -162,10 +157,7 @@ func (s *HTTPServer) processMultiPartFormUpload(w http.ResponseWriter, r *http.R
func (s *HTTPServer) HandlerAPILogin(w http.ResponseWriter, r *http.Request) {
reqID := middleware.GetReqID(r.Context())
expectedRequest := struct {
Username string `json:"username"`
Password string `json:"password"`
}{}
var expectedRequest RequestAPILogin
decoder := json.NewDecoder(r.Body)
defer r.Body.Close()
if err := decoder.Decode(&expectedRequest); err != nil {
@ -179,9 +171,7 @@ func (s *HTTPServer) HandlerAPILogin(w http.ResponseWriter, r *http.Request) {
return
}
response := struct {
Token string `json:"token"`
}{
response := ResponseAPILogin{
Token: token,
}
@ -193,17 +183,12 @@ func (s *HTTPServer) HandlerAPILogin(w http.ResponseWriter, r *http.Request) {
}
}
type RequestAPIUserCreate struct {
Username string `json:"username"`
Password string `json:"password"`
}
func (s *HTTPServer) HandlerAPIUserCreate(w http.ResponseWriter, r *http.Request) {
reqID := middleware.GetReqID(r.Context())
defer r.Body.Close()
level, err := AuthLevelFromRequest(r)
if err != nil || level < gpaste.AuthLevelAdmin {
role, err := RoleFromRequest(r)
if err != nil || role != users.RoleAdmin {
w.WriteHeader(http.StatusUnauthorized)
return
}
@ -229,5 +214,6 @@ func (s *HTTPServer) HandlerAPIUserCreate(w http.ResponseWriter, r *http.Request
w.WriteHeader(http.StatusInternalServerError)
return
}
w.WriteHeader(http.StatusAccepted)
s.Logger.Infow("Created user.", "req_id", reqID, "remote_addr", r.RemoteAddr, "username", req.Username)
}

20
api/json.go Normal file
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@ -0,0 +1,20 @@
package api
type RequestAPIUserCreate struct {
Username string `json:"username"`
Password string `json:"password"`
}
type RequestAPILogin struct {
Username string `json:"username"`
Password string `json:"password"`
}
type ResponseAPILogin struct {
Token string `json:"token"`
}
type ResponseAPIFilePost struct {
Message string `json:"message"`
ID string `json:"id"`
URL string `json:"url"`
}

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@ -8,6 +8,7 @@ import (
"time"
"git.t-juice.club/torjus/gpaste"
"git.t-juice.club/torjus/gpaste/users"
"github.com/go-chi/chi/v5/middleware"
)
@ -90,14 +91,14 @@ func UsernameFromRequest(r *http.Request) (string, error) {
return username, nil
}
func AuthLevelFromRequest(r *http.Request) (gpaste.AuthLevel, error) {
func RoleFromRequest(r *http.Request) (users.Role, error) {
rawLevel := r.Context().Value(authCtxAuthLevel)
if rawLevel == nil {
return gpaste.AuthLevelUnset, fmt.Errorf("no username")
return users.RoleUnset, fmt.Errorf("no username")
}
level, ok := rawLevel.(gpaste.AuthLevel)
level, ok := rawLevel.(users.Role)
if !ok {
return gpaste.AuthLevelUnset, fmt.Errorf("no username")
return users.RoleUnset, fmt.Errorf("no username")
}
return level, nil
}

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@ -9,14 +9,6 @@ import (
"github.com/google/uuid"
)
type AuthLevel int
const (
AuthLevelUnset AuthLevel = iota
AuthLevelUser
AuthLevelAdmin
)
type AuthService struct {
users users.UserStore
hmacSecret []byte

167
client/client.go Normal file
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@ -0,0 +1,167 @@
package client
import (
"bytes"
"context"
"encoding/json"
"fmt"
"io"
"mime/multipart"
"net/http"
"time"
"git.t-juice.club/torjus/gpaste/api"
"git.t-juice.club/torjus/gpaste/files"
"github.com/google/uuid"
)
type Client struct {
BaseURL string
AuthToken string
httpClient http.Client
}
func (c *Client) Login(ctx context.Context, username, password string) error {
url := fmt.Sprintf("%s/api/login", c.BaseURL)
// TODO: Change timeout
ctx, cancel := context.WithTimeout(ctx, 10*time.Second)
defer cancel()
body := new(bytes.Buffer)
requestData := api.RequestAPILogin{
Username: username,
Password: password,
}
encoder := json.NewEncoder(body)
if err := encoder.Encode(&requestData); err != nil {
return fmt.Errorf("error encoding response: %w", err)
}
req, err := http.NewRequestWithContext(ctx, http.MethodPost, url, body)
if err != nil {
return fmt.Errorf("error creating request: %w", err)
}
resp, err := c.httpClient.Do(req)
if err != nil {
return fmt.Errorf("unable to perform request: %s", err)
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
return fmt.Errorf("got non-ok response from server: %s", resp.Status)
}
var responseData api.ResponseAPILogin
decoder := json.NewDecoder(resp.Body)
if err := decoder.Decode(&responseData); err != nil {
return fmt.Errorf("unable to parse response: %s", err)
}
c.AuthToken = responseData.Token
return nil
}
func (c *Client) UserCreate(ctx context.Context, username, password string) error {
url := fmt.Sprintf("%s/api/user", c.BaseURL)
body := new(bytes.Buffer)
requestData := &api.RequestAPIUserCreate{
Username: username,
Password: password,
}
encoder := json.NewEncoder(body)
if err := encoder.Encode(requestData); err != nil {
return fmt.Errorf("error encoding response: %w", err)
}
req, err := http.NewRequestWithContext(ctx, http.MethodPost, url, body)
if err != nil {
return fmt.Errorf("error creating request: %w", err)
}
req.Header.Set("Authorization", fmt.Sprintf("Bearer %s", c.AuthToken))
resp, err := c.httpClient.Do(req)
if err != nil {
return fmt.Errorf("unable to perform request: %s", err)
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusAccepted {
return fmt.Errorf("got non-ok response from server: %s", resp.Status)
}
return nil
}
func (c *Client) Download(ctx context.Context, id string) (io.ReadCloser, error) {
url := fmt.Sprintf("%s/api/file/%s", c.BaseURL, id)
req, err := http.NewRequestWithContext(ctx, http.MethodGet, url, nil)
if err != nil {
return nil, fmt.Errorf("error creating request: %w", err)
}
req.Header.Set("Authorization", fmt.Sprintf("Bearer %s", c.AuthToken))
resp, err := c.httpClient.Do(req)
if err != nil {
return nil, fmt.Errorf("unable to perform request: %s", err)
}
if resp.StatusCode != http.StatusOK {
return nil, fmt.Errorf("got non-ok response from server: %s", resp.Status)
}
return resp.Body, nil
}
func (c *Client) Upload(ctx context.Context, files ...*files.File) ([]api.ResponseAPIFilePost, error) {
url := fmt.Sprintf("%s/api/file", c.BaseURL)
client := &http.Client{}
// TODO: Change timeout
ctx, cancel := context.WithTimeout(ctx, 10*time.Minute)
defer cancel()
// TODO: Improve buffering
buf := &bytes.Buffer{}
mw := multipart.NewWriter(buf)
for _, file := range files {
fw, err := mw.CreateFormFile(uuid.Must(uuid.NewRandom()).String(), file.OriginalFilename)
if err != nil {
return nil, err
}
if _, err := io.Copy(fw, file.Body); err != nil {
return nil, err
}
file.Body.Close()
}
mw.Close()
req, err := http.NewRequestWithContext(ctx, http.MethodPost, url, buf)
if err != nil {
return nil, err
}
req.Header.Add("Content-Type", mw.FormDataContentType())
resp, err := client.Do(req)
if err != nil {
return nil, err
}
defer resp.Body.Close()
var expectedResp []api.ResponseAPIFilePost
decoder := json.NewDecoder(resp.Body)
if err := decoder.Decode(&expectedResp); err != nil {
return nil, fmt.Errorf("error decoding response: %w", err)
}
for _, r := range expectedResp {
fmt.Printf("Uploaded file %s\n", r.ID)
}
return expectedResp, nil
}

165
client/client_test.go Normal file
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@ -0,0 +1,165 @@
package client_test
import (
"context"
"fmt"
"io"
"net"
"strings"
"testing"
"time"
"git.t-juice.club/torjus/gpaste"
"git.t-juice.club/torjus/gpaste/api"
"git.t-juice.club/torjus/gpaste/client"
"git.t-juice.club/torjus/gpaste/files"
"git.t-juice.club/torjus/gpaste/users"
"github.com/google/go-cmp/cmp"
"github.com/google/uuid"
)
func TestClient(t *testing.T) {
listener, err := net.Listen("tcp", ":0")
if err != nil {
panic(err)
}
port := listener.Addr().(*net.TCPAddr).Port
cfg := &gpaste.ServerConfig{
LogLevel: "ERROR",
URL: fmt.Sprintf("http://localhost:%d", port),
SigningSecret: "TEST",
Store: &gpaste.ServerStoreConfig{Type: "memory"},
}
srv := api.NewHTTPServer(cfg)
go func() {
srv.Serve(listener)
}()
t.Cleanup(func() {
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
defer cancel()
srv.Shutdown(ctx)
listener.Close()
})
// Add users
username := "admin"
password := "admin"
user := &users.User{
Username: username,
Role: users.RoleAdmin,
}
if err := user.SetPassword(password); err != nil {
t.Fatalf("Error setting password: %s", err)
}
if err := srv.Users.Store(user); err != nil {
t.Fatalf("Error storing user: %s", err)
}
t.Run("Login", func(t *testing.T) {
client := client.Client{BaseURL: cfg.URL}
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
defer cancel()
if err := client.Login(ctx, username, password); err != nil {
t.Fatalf("Error logging in: %s", err)
}
claims, err := srv.Auth.ValidateToken(client.AuthToken)
if err != nil {
t.Errorf("unable to get claims from token: %s", err)
}
if claims.Role != user.Role {
t.Errorf("Claims have wrong role: %s", cmp.Diff(claims.Role, user.Role))
}
if claims.Subject != username {
t.Errorf("Claims have wrong role: %s", cmp.Diff(claims.Subject, username))
}
t.Run("UserCreate", func(t *testing.T) {
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
defer cancel()
username := "user"
password := "user"
if err := client.UserCreate(ctx, username, password); err != nil {
t.Fatalf("Error creating user: %s", err)
}
user, err := srv.Users.Get(username)
if err != nil {
t.Fatalf("Error getting new user: %s", err)
}
if user.Username != username {
t.Errorf("Username does not match.")
}
if err := user.ValidatePassword(password); err != nil {
t.Errorf("Unable to validate password: %s", err)
}
})
})
t.Run("Upload", func(t *testing.T) {
client := client.Client{BaseURL: cfg.URL}
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
defer cancel()
fileContents := "this is the test file"
fileBody := io.NopCloser(strings.NewReader(fileContents))
file := &files.File{
OriginalFilename: "filename.txt",
Body: fileBody,
}
resp, err := client.Upload(ctx, file)
if err != nil {
t.Fatalf("Error uploading: %s", err)
}
retrieved, err := srv.Files.Get(resp[0].ID)
if err != nil {
t.Fatalf("Error getting uploaded file from store: %s", err)
}
defer retrieved.Body.Close()
buf := new(strings.Builder)
if _, err := io.Copy(buf, retrieved.Body); err != nil {
t.Fatalf("error reading body from store: %s", err)
}
if buf.String() != fileContents {
t.Errorf("File contents does not match: %s", cmp.Diff(buf.String(), fileContents))
}
})
t.Run("Download", func(t *testing.T) {
client := client.Client{BaseURL: cfg.URL}
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
defer cancel()
fileContents := "this is the test file"
fileBody := io.NopCloser(strings.NewReader(fileContents))
file := &files.File{
ID: uuid.NewString(),
OriginalFilename: "filename.txt",
Body: fileBody,
}
if err := srv.Files.Store(file); err != nil {
t.Fatalf("Error putting file in store: %s", err)
}
body, err := client.Download(ctx, file.ID)
if err != nil {
t.Fatalf("Error uploading: %s", err)
}
defer body.Close()
buf := new(strings.Builder)
if _, err := io.Copy(buf, body); err != nil {
t.Fatalf("error reading body from store: %s", err)
}
if buf.String() != fileContents {
t.Errorf("File contents does not match: %s", cmp.Diff(buf.String(), fileContents))
}
})
}