Ejemplo n.º 1
0
// GenerateToken generates a JWT token for the user session
// that can be appended to the #access_token segment to
// facilitate client-based OAuth2.
func GenerateToken(c context.Context, r *http.Request, user *model.User) (string, error) {
	token := jwt.New(jwt.GetSigningMethod("HS256"))
	token.Claims["user_id"] = user.ID
	token.Claims["audience"] = httputil.GetURL(r)
	token.Claims["expires"] = time.Now().UTC().Add(time.Hour * 72).Unix()
	return token.SignedString([]byte(*secret))
}
Ejemplo n.º 2
0
// Authorize handles GitHub API Authorization.
func (r *GitHub) Authorize(res http.ResponseWriter, req *http.Request) (*model.Login, error) {
	var config = &oauth.Config{
		ClientId:     r.Client,
		ClientSecret: r.Secret,
		Scope:        DefaultScope,
		AuthURL:      fmt.Sprintf("%s/login/oauth/authorize", r.URL),
		TokenURL:     fmt.Sprintf("%s/login/oauth/access_token", r.URL),
		RedirectURL:  fmt.Sprintf("%s/api/auth/%s", httputil.GetURL(req), r.GetKind()),
	}

	// get the OAuth code
	var code = req.FormValue("code")
	var state = req.FormValue("state")
	if len(code) == 0 {
		var random = GetRandom()
		httputil.SetCookie(res, req, "github_state", random)
		http.Redirect(res, req, config.AuthCodeURL(random), http.StatusSeeOther)
		return nil, nil
	}

	cookieState := httputil.GetCookie(req, "github_state")
	httputil.DelCookie(res, req, "github_state")
	if cookieState != state {
		return nil, fmt.Errorf("Error matching state in OAuth2 redirect")
	}

	var trans = &oauth.Transport{Config: config}
	var token, err = trans.Exchange(code)
	if err != nil {
		return nil, fmt.Errorf("Error exchanging token. %s", err)
	}

	var client = NewClient(r.API, token.AccessToken, r.SkipVerify)
	var useremail, errr = GetUserEmail(client)
	if errr != nil {
		return nil, fmt.Errorf("Error retrieving user or verified email. %s", errr)
	}

	if len(r.Orgs) > 0 {
		allowedOrg, err := UserBelongsToOrg(client, r.Orgs)
		if err != nil {
			return nil, fmt.Errorf("Could not check org membership. %s", err)
		}
		if !allowedOrg {
			return nil, fmt.Errorf("User does not belong to correct org. Must belong to %v", r.Orgs)
		}
	}

	var login = new(model.Login)
	login.ID = int64(*useremail.ID)
	login.Access = token.AccessToken
	login.Login = *useremail.Login
	login.Email = *useremail.Email
	if useremail.Name != nil {
		login.Name = *useremail.Name
	}

	return login, nil
}
Ejemplo n.º 3
0
// PostHook accepts a post-commit hook and parses the payload
// in order to trigger a build. The payload is specified to the
// remote system (ie GitHub) and will therefore get parsed by
// the appropriate remote plugin.
//
//     POST /api/repos/{host}/{owner}/{name}/branches/{branch}/commits/{commit}
//
func PostCommit(c web.C, w http.ResponseWriter, r *http.Request) {
	var ctx = context.FromC(c)
	var (
		branch = c.URLParams["branch"]
		hash   = c.URLParams["commit"]
		host   = c.URLParams["host"]
		repo   = ToRepo(c)
		remote = remote.Lookup(host)
	)

	commit, err := datastore.GetCommitSha(ctx, repo, branch, hash)
	if err != nil {
		w.WriteHeader(http.StatusNotFound)
		return
	}

	if commit.Status == model.StatusStarted ||
		commit.Status == model.StatusEnqueue {
		w.WriteHeader(http.StatusConflict)
		return
	}

	commit.Status = model.StatusEnqueue
	commit.Started = 0
	commit.Finished = 0
	commit.Duration = 0
	if err := datastore.PutCommit(ctx, commit); err != nil {
		w.WriteHeader(http.StatusInternalServerError)
		return
	}

	owner, err := datastore.GetUser(ctx, repo.UserID)
	if err != nil {
		w.WriteHeader(http.StatusBadRequest)
		return
	}

	// Request a new token and update
	user_token, err := remote.GetToken(owner)
	if user_token != nil {
		owner.Access = user_token.AccessToken
		owner.Secret = user_token.RefreshToken
		owner.TokenExpiry = user_token.Expiry
		datastore.PutUser(ctx, owner)
	} else if err != nil {
		w.WriteHeader(http.StatusBadRequest)
		return
	}

	// drop the items on the queue
	go worker.Do(ctx, &worker.Work{
		User:   owner,
		Repo:   repo,
		Commit: commit,
		Host:   httputil.GetURL(r),
	})

	w.WriteHeader(http.StatusOK)
}
Ejemplo n.º 4
0
// Authorize handles authentication with thrid party remote systems,
// such as github or bitbucket, and returns user data.
func (r *Gitlab) Authorize(res http.ResponseWriter, req *http.Request) (*model.Login, error) {
	host := httputil.GetURL(req)
	config := NewOauthConfig(r, host)

	var code = req.FormValue("code")
	var state = req.FormValue("state")

	if len(code) == 0 {
		var random = GetRandom()
		httputil.SetCookie(res, req, "gitlab_state", random)
		http.Redirect(res, req, config.AuthCodeURL(random), http.StatusSeeOther)
		return nil, nil
	}

	cookieState := httputil.GetCookie(req, "gitlab_state")
	httputil.DelCookie(res, req, "gitlab_state")
	if cookieState != state {
		return nil, fmt.Errorf("Error matching state in OAuth2 redirect")
	}

	var trans = &oauth.Transport{
		Config: config,
		Transport: &http.Transport{
			Proxy:           http.ProxyFromEnvironment,
			TLSClientConfig: &tls.Config{InsecureSkipVerify: r.SkipVerify},
		},
	}
	var token, err = trans.Exchange(code)
	if err != nil {
		return nil, fmt.Errorf("Error exchanging token. %s", err)
	}

	var client = NewClient(r.url, token.AccessToken, r.SkipVerify)

	var user, errr = client.CurrentUser()
	if errr != nil {
		return nil, fmt.Errorf("Error retrieving current user. %s", errr)
	}

	var login = new(model.Login)
	login.ID = int64(user.Id)
	login.Access = token.AccessToken
	login.Secret = token.RefreshToken
	login.Login = user.Username
	login.Email = user.Email
	return login, nil
}
Ejemplo n.º 5
0
Archivo: repo.go Proyecto: voxxit/drone
// DelRepo accepts a request to delete the named
// repository.
//
//     DEL /api/repos/:host/:owner/:name
//
func DelRepo(c web.C, w http.ResponseWriter, r *http.Request) {
	var ctx = context.FromC(c)
	var repo = ToRepo(c)

	// completely remove the repository from the database
	var user = ToUser(c)
	var remote = remote.Lookup(repo.Host)
	if remote == nil {
		log.Printf("[ERROR] no remote for host '%s' found", repo.Host)
	} else {
		// Request a new token and update
		user_token, err := remote.GetToken(user)
		if err != nil {
			log.Printf("[ERROR] no token for user '%s' on remote '%s' ", user.Email, repo.Host)
		} else {
			if user_token != nil {
				user.Access = user_token.AccessToken
				user.Secret = user_token.RefreshToken
				user.TokenExpiry = user_token.Expiry
				datastore.PutUser(ctx, user)
			}
			// setup the post-commit hook with the remote system and
			// and deactiveate this hook/user on the remote system
			var hook = fmt.Sprintf("%s/api/hook/%s/%s", httputil.GetURL(r), repo.Remote, repo.Token)
			if err := remote.Deactivate(user, repo, hook); err != nil {
				log.Printf("[ERROR] deactivate on remote '%s' failed: %s", repo.Host, err)
			}
		}
	}
	// fail through: if any of the actions on the remote failed
	// we try to delete the repo in our datastore anyway
	if err := datastore.DelRepo(ctx, repo); err != nil {
		w.WriteHeader(http.StatusInternalServerError)
	} else {
		w.WriteHeader(http.StatusNoContent)
	}
}
Ejemplo n.º 6
0
Archivo: hook.go Proyecto: voxxit/drone
// PostHook accepts a post-commit hook and parses the payload
// in order to trigger a build. The payload is specified to the
// remote system (ie GitHub) and will therefore get parsed by
// the appropriate remote plugin.
//
//     GET /api/hook/:host
//
func PostHook(c web.C, w http.ResponseWriter, r *http.Request) {
	var ctx = context.FromC(c)
	var host = c.URLParams["host"]
	var token = c.URLParams["token"]
	var remote = remote.Lookup(host)
	if remote == nil {
		w.WriteHeader(http.StatusNotFound)
		return
	}

	// parse the hook payload
	hook, err := remote.ParseHook(r)
	if err != nil {
		log.Printf("Unable to parse hook. %s\n", err)
		w.WriteHeader(http.StatusBadRequest)
		return
	}

	// in some cases we have neither a hook nor error. An example
	// would be GitHub sending a ping request to the URL, in which
	// case we'll just exit quiely with an 'OK'
	shouldSkip, _ := regexp.MatchString(`\[(?i:ci *skip|skip *ci)\]`, hook.Message)
	if hook == nil || shouldSkip {
		w.WriteHeader(http.StatusOK)
		return
	}

	// fetch the repository from the database
	repo, err := datastore.GetRepoName(ctx, remote.GetHost(), hook.Owner, hook.Repo)
	if err != nil {
		w.WriteHeader(http.StatusNotFound)
		return
	}

	// each hook contains a token to verify the sender. If the token
	// is not provided or does not match, exit
	if len(repo.Token) == 0 || repo.Token != token {
		log.Printf("Rejected post commit hook for %s. Token mismatch\n", repo.Name)
		w.WriteHeader(http.StatusUnauthorized)
		return
	}

	if repo.Active == false ||
		(repo.PostCommit == false && len(hook.PullRequest) == 0) ||
		(repo.PullRequest == false && len(hook.PullRequest) != 0) {
		w.WriteHeader(http.StatusNotFound)
		return
	}

	// fetch the user from the database that owns this repo
	user, err := datastore.GetUser(ctx, repo.UserID)
	if err != nil {
		w.WriteHeader(http.StatusNotFound)
		return
	}

	// Request a new token and update
	user_token, err := remote.GetToken(user)
	if user_token != nil {
		user.Access = user_token.AccessToken
		user.Secret = user_token.RefreshToken
		user.TokenExpiry = user_token.Expiry
		datastore.PutUser(ctx, user)
	} else if err != nil {
		log.Printf("Unable to refresh token. %s\n", err)
		w.WriteHeader(http.StatusBadRequest)
		return
	}

	// fetch the .drone.yml file from the database
	yml, err := remote.GetScript(user, repo, hook)
	if err != nil {
		log.Printf("Unable to fetch .drone.yml file. %s\n", err)
		w.WriteHeader(http.StatusBadRequest)
		return
	}

	// verify the commit hooks branch matches the list of approved
	// branches (unless it is a pull request). Note that we don't really
	// care if parsing the yaml fails here.
	s, _ := script.ParseBuild(string(yml))
	if len(hook.PullRequest) == 0 && !s.MatchBranch(hook.Branch) {
		w.WriteHeader(http.StatusOK)
		return
	}

	commit := model.Commit{
		RepoID:      repo.ID,
		Status:      model.StatusEnqueue,
		Sha:         hook.Sha,
		Branch:      hook.Branch,
		PullRequest: hook.PullRequest,
		Timestamp:   hook.Timestamp,
		Message:     hook.Message,
		Config:      string(yml),
	}
	commit.SetAuthor(hook.Author)

	// inserts the commit into the database
	if err := datastore.PostCommit(ctx, &commit); err != nil {
		log.Printf("Unable to persist commit %[email protected]%s. %s\n", commit.Sha, commit.Branch, err)
		w.WriteHeader(http.StatusBadRequest)
		return
	}

	owner, err := datastore.GetUser(ctx, repo.UserID)
	if err != nil {
		log.Printf("Unable to retrieve repository owner. %s.\n", err)
		w.WriteHeader(http.StatusBadRequest)
		return
	}

	// drop the items on the queue
	go worker.Do(ctx, &worker.Work{
		User:   owner,
		Repo:   repo,
		Commit: &commit,
		Host:   httputil.GetURL(r),
	})

	w.WriteHeader(http.StatusOK)
}
Ejemplo n.º 7
0
Archivo: repo.go Proyecto: voxxit/drone
// PostRepo accapets a request to activate the named repository
// in the datastore. It returns a 201 status created if successful
//
//     POST /api/repos/:host/:owner/:name
//
func PostRepo(c web.C, w http.ResponseWriter, r *http.Request) {
	var ctx = context.FromC(c)
	var repo = ToRepo(c)
	var user = ToUser(c)

	// update the repo active flag and fields
	repo.Active = true
	repo.PullRequest = true
	repo.PostCommit = true
	repo.UserID = user.ID
	repo.Timeout = 3600 // default to 1 hour

	// generate a secret key for post-commit hooks
	if len(repo.Token) == 0 {
		repo.Token = model.GenerateToken()
	}

	// generates the rsa key
	if len(repo.PublicKey) == 0 || len(repo.PrivateKey) == 0 {
		key, err := sshutil.GeneratePrivateKey()
		if err != nil {
			http.Error(w, err.Error(), http.StatusInternalServerError)
			return
		}
		repo.PublicKey = sshutil.MarshalPublicKey(&key.PublicKey)
		repo.PrivateKey = sshutil.MarshalPrivateKey(key)
	}

	var remote = remote.Lookup(repo.Host)
	if remote == nil {
		w.WriteHeader(http.StatusNotFound)
		return
	}

	// Request a new token and update
	user_token, err := remote.GetToken(user)
	if user_token != nil {
		user.Access = user_token.AccessToken
		user.Secret = user_token.RefreshToken
		user.TokenExpiry = user_token.Expiry
		datastore.PutUser(ctx, user)
	} else if err != nil {
		w.WriteHeader(http.StatusBadRequest)
		return
	}

	// setup the post-commit hook with the remote system and
	// if necessary, register the public key
	var hook = fmt.Sprintf("%s/api/hook/%s/%s", httputil.GetURL(r), repo.Remote, repo.Token)
	if err := remote.Activate(user, repo, hook); err != nil {
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}

	if err := datastore.PutRepo(ctx, repo); err != nil {
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}
	w.WriteHeader(http.StatusCreated)
	json.NewEncoder(w).Encode(repo)
}