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Introduce Credential structure to define auth type

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For now we are planning to support Password and OAuthToken.
In the future, we would like to add certificate-based authentication.
This commit is contained in:
Mickael Remond 2019-10-01 10:59:55 +02:00 committed by Mickaël Rémond
parent 3b66e31888
commit 9c8353d081
10 changed files with 50 additions and 23 deletions
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6
README.md
View File

@ -34,8 +34,8 @@ Here is an example code to configure a client to allow connecting to a server wi
config := xmpp.Config{
Address: "localhost:5222",
Jid: "test@localhost",
Password: "test",
TLSConfig: tls.Config{InsecureSkipVerify: true},
Credential: xmpp.Password("Test"),
TLSConfig: tls.Config{InsecureSkipVerify: true},
}
```
@ -96,7 +96,7 @@ func main() {
config := xmpp.Config{
Address: "localhost:5222",
Jid: "test@localhost",
Password: "test",
Credential: xmpp.Password("Test"),
StreamLogger: os.Stdout,
Insecure: true,
}

2
_examples/xmpp_echo/xmpp_echo.go
View File

@ -17,7 +17,7 @@ func main() {
config := xmpp.Config{
Address: "localhost:5222",
Jid: "test@localhost",
Password: "test",
Credential: xmpp.Password("test"),
StreamLogger: os.Stdout,
Insecure: true,
// TLSConfig: tls.Config{InsecureSkipVerify: true},

6
_examples/xmpp_jukebox/xmpp_jukebox.go
View File

@ -32,9 +32,9 @@ func main() {
// 2. Prepare XMPP client
config := xmpp.Config{
Address: *address,
Jid: *jid,
Password: *password,
Address: *address,
Jid: *jid,
Credential: xmpp.Password(*password),
// StreamLogger: os.Stdout,
Insecure: true,
}

36
auth.go
View File

@ -10,8 +10,34 @@ import (
"gosrc.io/xmpp/stanza"
)
func authSASL(socket io.ReadWriter, decoder *xml.Decoder, f stanza.StreamFeatures, user string, password string) (err error) {
// TODO: Implement other type of SASL Authentication
// Credential is used to pass the type of secret that will be used to connect to XMPP server.
// It can be either a password or an OAuth 2 bearer token.
type Credential struct {
secret string
mechanisms []string
}
func Password(pwd string) Credential {
credential := Credential{
secret: pwd,
mechanisms: []string{"PLAIN"},
}
return credential
}
func OAuthToken(token string) Credential {
credential := Credential{
secret: token,
mechanisms: []string{"X-OAUTH2"},
}
return credential
}
// ============================================================================
// Authentication flow for SASL mechanisms
func authSASL(socket io.ReadWriter, decoder *xml.Decoder, f stanza.StreamFeatures, user string, credential Credential) (err error) {
// TODO: Implement other type of SASL mechanisms
havePlain := false
for _, m := range f.Mechanisms.Mechanism {
if m == "PLAIN" {
@ -24,12 +50,12 @@ func authSASL(socket io.ReadWriter, decoder *xml.Decoder, f stanza.StreamFeature
return NewConnError(err, true)
}
return authPlain(socket, decoder, user, password)
return authPlain(socket, decoder, user, credential)
}
// Plain authentication: send base64-encoded \x00 user \x00 password
func authPlain(socket io.ReadWriter, decoder *xml.Decoder, user string, password string) error {
raw := "\x00" + user + "\x00" + password
func authPlain(socket io.ReadWriter, decoder *xml.Decoder, user string, credential Credential) error {
raw := "\x00" + user + "\x00" + credential.secret
enc := make([]byte, base64.StdEncoding.EncodedLen(len(raw)))
base64.StdEncoding.Encode(enc, []byte(raw))
fmt.Fprintf(socket, "<auth xmlns='%s' mechanism='PLAIN'>%s</auth>", stanza.NSSASL, enc)

4
client.go
View File

@ -111,8 +111,8 @@ func NewClient(config Config, r *Router) (c *Client, err error) {
return nil, NewConnError(err, true)
}
if config.Password == "" {
err = errors.New("missing password")
if config.Credential.secret == "" {
err = errors.New("missing credential")
return nil, NewConnError(err, true)
}

8
client_test.go
View File

@ -25,7 +25,7 @@ func TestClient_Connect(t *testing.T) {
mock.Start(t, testXMPPAddress, handlerConnectSuccess)
// Test / Check result
config := Config{Address: testXMPPAddress, Jid: "test@localhost", Password: "test", Insecure: true}
config := Config{Address: testXMPPAddress, Jid: "test@localhost", Credential: Password("test"), Insecure: true}
var client *Client
var err error
@ -47,7 +47,7 @@ func TestClient_NoInsecure(t *testing.T) {
mock.Start(t, testXMPPAddress, handlerAbortTLS)
// Test / Check result
config := Config{Address: testXMPPAddress, Jid: "test@localhost", Password: "test"}
config := Config{Address: testXMPPAddress, Jid: "test@localhost", Credential: Password("test")}
var client *Client
var err error
@ -71,7 +71,7 @@ func TestClient_FeaturesTracking(t *testing.T) {
mock.Start(t, testXMPPAddress, handlerAbortTLS)
// Test / Check result
config := Config{Address: testXMPPAddress, Jid: "test@localhost", Password: "test"}
config := Config{Address: testXMPPAddress, Jid: "test@localhost", Credential: Password("test")}
var client *Client
var err error
@ -94,7 +94,7 @@ func TestClient_RFC3921Session(t *testing.T) {
mock.Start(t, testXMPPAddress, handlerConnectWithSession)
// Test / Check result
config := Config{Address: testXMPPAddress, Jid: "test@localhost", Password: "test", Insecure: true}
config := Config{Address: testXMPPAddress, Jid: "test@localhost", Credential: Password("test"), Insecure: true}
var client *Client
var err error

6
cmd/fluuxmpp/send.go
View File

@ -32,9 +32,9 @@ func sendxmpp(cmd *cobra.Command, args []string) {
var err error
client, err := xmpp.NewClient(xmpp.Config{
Jid: viper.GetString("jid"),
Address: viper.GetString("addr"),
Password: viper.GetString("password"),
Jid: viper.GetString("jid"),
Address: viper.GetString("addr"),
Credential: xmpp.Password(viper.GetString("password")),
}, xmpp.NewRouter())
if err != nil {

1
cmd/go.sum
View File

@ -143,6 +143,7 @@ golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGm
golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
golang.org/x/xerrors v0.0.0-20190513163551-3ee3066db522 h1:bhOzK9QyoD0ogCnFro1m2mz41+Ib0oOhfJnBp5MR4K4=
golang.org/x/xerrors v0.0.0-20190513163551-3ee3066db522/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7 h1:9zdDQZ7Thm29KFXgAX/+yaf3eVbP7djjWp/dXAppNCc=
golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=

2
config.go
View File

@ -10,7 +10,7 @@ type Config struct {
Address string
Jid string
parsedJid *Jid // For easier manipulation
Password string
Credential Credential
StreamLogger *os.File // Used for debugging
Lang string // TODO: should default to 'en'
ConnectTimeout int // Client timeout in seconds. Default to 15

2
session.go
View File

@ -168,7 +168,7 @@ func (s *Session) auth(o Config) {
return
}
s.err = authSASL(s.streamLogger, s.decoder, s.Features, o.parsedJid.Node, o.Password)
s.err = authSASL(s.streamLogger, s.decoder, s.Features, o.parsedJid.Node, o.Credential)
}
// Attempt to resume session using stream management