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-rw-r--r--vendor/github.com/mattn/go-xmpp/xmpp.go937
1 files changed, 0 insertions, 937 deletions
diff --git a/vendor/github.com/mattn/go-xmpp/xmpp.go b/vendor/github.com/mattn/go-xmpp/xmpp.go
deleted file mode 100644
index 6af9a3ed..00000000
--- a/vendor/github.com/mattn/go-xmpp/xmpp.go
+++ /dev/null
@@ -1,937 +0,0 @@
-// Copyright 2011 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// TODO(rsc):
-// More precise error handling.
-// Presence functionality.
-// TODO(mattn):
-// Add proxy authentication.
-
-// Package xmpp implements a simple Google Talk client
-// using the XMPP protocol described in RFC 3920 and RFC 3921.
-package xmpp
-
-import (
- "bufio"
- "bytes"
- "crypto/md5"
- "crypto/rand"
- "crypto/tls"
- "encoding/base64"
- "encoding/binary"
- "encoding/xml"
- "errors"
- "fmt"
- "io"
- "math/big"
- "net"
- "net/http"
- "net/url"
- "os"
- "strings"
- "time"
-)
-
-const (
- nsStream = "http://etherx.jabber.org/streams"
- nsTLS = "urn:ietf:params:xml:ns:xmpp-tls"
- nsSASL = "urn:ietf:params:xml:ns:xmpp-sasl"
- nsBind = "urn:ietf:params:xml:ns:xmpp-bind"
- nsClient = "jabber:client"
- nsSession = "urn:ietf:params:xml:ns:xmpp-session"
-)
-
-// Default TLS configuration options
-var DefaultConfig tls.Config
-
-// Cookie is a unique XMPP session identifier
-type Cookie uint64
-
-func getCookie() Cookie {
- var buf [8]byte
- if _, err := rand.Reader.Read(buf[:]); err != nil {
- panic("Failed to read random bytes: " + err.Error())
- }
- return Cookie(binary.LittleEndian.Uint64(buf[:]))
-}
-
-// Client holds XMPP connection opitons
-type Client struct {
- conn net.Conn // connection to server
- jid string // Jabber ID for our connection
- domain string
- p *xml.Decoder
-}
-
-func (c *Client) JID() string {
- return c.jid
-}
-
-func connect(host, user, passwd string) (net.Conn, error) {
- addr := host
-
- if strings.TrimSpace(host) == "" {
- a := strings.SplitN(user, "@", 2)
- if len(a) == 2 {
- addr = a[1]
- }
- }
- a := strings.SplitN(host, ":", 2)
- if len(a) == 1 {
- addr += ":5222"
- }
- proxy := os.Getenv("HTTP_PROXY")
- if proxy == "" {
- proxy = os.Getenv("http_proxy")
- }
- if proxy != "" {
- url, err := url.Parse(proxy)
- if err == nil {
- addr = url.Host
- }
- }
- c, err := net.Dial("tcp", addr)
- if err != nil {
- return nil, err
- }
-
- if proxy != "" {
- fmt.Fprintf(c, "CONNECT %s HTTP/1.1\r\n", host)
- fmt.Fprintf(c, "Host: %s\r\n", host)
- fmt.Fprintf(c, "\r\n")
- br := bufio.NewReader(c)
- req, _ := http.NewRequest("CONNECT", host, nil)
- resp, err := http.ReadResponse(br, req)
- if err != nil {
- return nil, err
- }
- if resp.StatusCode != 200 {
- f := strings.SplitN(resp.Status, " ", 2)
- return nil, errors.New(f[1])
- }
- }
- return c, nil
-}
-
-// Options are used to specify additional options for new clients, such as a Resource.
-type Options struct {
- // Host specifies what host to connect to, as either "hostname" or "hostname:port"
- // If host is not specified, the DNS SRV should be used to find the host from the domainpart of the JID.
- // Default the port to 5222.
- Host string
-
- // User specifies what user to authenticate to the remote server.
- User string
-
- // Password supplies the password to use for authentication with the remote server.
- Password string
-
- // Resource specifies an XMPP client resource, like "bot", instead of accepting one
- // from the server. Use "" to let the server generate one for your client.
- Resource string
-
- // OAuthScope provides go-xmpp the required scope for OAuth2 authentication.
- OAuthScope string
-
- // OAuthToken provides go-xmpp with the required OAuth2 token used to authenticate
- OAuthToken string
-
- // OAuthXmlNs provides go-xmpp with the required namespaced used for OAuth2 authentication. This is
- // provided to the server as the xmlns:auth attribute of the OAuth2 authentication request.
- OAuthXmlNs string
-
- // TLS Config
- TLSConfig *tls.Config
-
- // InsecureAllowUnencryptedAuth permits authentication over a TCP connection that has not been promoted to
- // TLS by STARTTLS; this could leak authentication information over the network, or permit man in the middle
- // attacks.
- InsecureAllowUnencryptedAuth bool
-
- // NoTLS directs go-xmpp to not use TLS initially to contact the server; instead, a plain old unencrypted
- // TCP connection should be used. (Can be combined with StartTLS to support STARTTLS-based servers.)
- NoTLS bool
-
- // StartTLS directs go-xmpp to STARTTLS if the server supports it; go-xmpp will automatically STARTTLS
- // if the server requires it regardless of this option.
- StartTLS bool
-
- // Debug output
- Debug bool
-
- // Use server sessions
- Session bool
-
- // Presence Status
- Status string
-
- // Status message
- StatusMessage string
-}
-
-// NewClient establishes a new Client connection based on a set of Options.
-func (o Options) NewClient() (*Client, error) {
- host := o.Host
- c, err := connect(host, o.User, o.Password)
- if err != nil {
- return nil, err
- }
-
- if strings.LastIndex(o.Host, ":") > 0 {
- host = host[:strings.LastIndex(o.Host, ":")]
- }
-
- client := new(Client)
- if o.NoTLS {
- client.conn = c
- } else {
- var tlsconn *tls.Conn
- if o.TLSConfig != nil {
- tlsconn = tls.Client(c, o.TLSConfig)
- } else {
- DefaultConfig.ServerName = host
- newconfig := DefaultConfig
- newconfig.ServerName = host
- tlsconn = tls.Client(c, &newconfig)
- }
- if err = tlsconn.Handshake(); err != nil {
- return nil, err
- }
- insecureSkipVerify := DefaultConfig.InsecureSkipVerify
- if o.TLSConfig != nil {
- insecureSkipVerify = o.TLSConfig.InsecureSkipVerify
- }
- if !insecureSkipVerify {
- if err = tlsconn.VerifyHostname(host); err != nil {
- return nil, err
- }
- }
- client.conn = tlsconn
- }
-
- if err := client.init(&o); err != nil {
- client.Close()
- return nil, err
- }
-
- return client, nil
-}
-
-// NewClient creates a new connection to a host given as "hostname" or "hostname:port".
-// If host is not specified, the DNS SRV should be used to find the host from the domainpart of the JID.
-// Default the port to 5222.
-func NewClient(host, user, passwd string, debug bool) (*Client, error) {
- opts := Options{
- Host: host,
- User: user,
- Password: passwd,
- Debug: debug,
- Session: false,
- }
- return opts.NewClient()
-}
-
-// NewClientNoTLS creates a new client without TLS
-func NewClientNoTLS(host, user, passwd string, debug bool) (*Client, error) {
- opts := Options{
- Host: host,
- User: user,
- Password: passwd,
- NoTLS: true,
- Debug: debug,
- Session: false,
- }
- return opts.NewClient()
-}
-
-// Close closes the XMPP connection
-func (c *Client) Close() error {
- if c.conn != (*tls.Conn)(nil) {
- return c.conn.Close()
- }
- return nil
-}
-
-func saslDigestResponse(username, realm, passwd, nonce, cnonceStr, authenticate, digestURI, nonceCountStr string) string {
- h := func(text string) []byte {
- h := md5.New()
- h.Write([]byte(text))
- return h.Sum(nil)
- }
- hex := func(bytes []byte) string {
- return fmt.Sprintf("%x", bytes)
- }
- kd := func(secret, data string) []byte {
- return h(secret + ":" + data)
- }
-
- a1 := string(h(username+":"+realm+":"+passwd)) + ":" + nonce + ":" + cnonceStr
- a2 := authenticate + ":" + digestURI
- response := hex(kd(hex(h(a1)), nonce+":"+nonceCountStr+":"+cnonceStr+":auth:"+hex(h(a2))))
- return response
-}
-
-func cnonce() string {
- randSize := big.NewInt(0)
- randSize.Lsh(big.NewInt(1), 64)
- cn, err := rand.Int(rand.Reader, randSize)
- if err != nil {
- return ""
- }
- return fmt.Sprintf("%016x", cn)
-}
-
-func (c *Client) init(o *Options) error {
-
- var domain string
- var user string
- a := strings.SplitN(o.User, "@", 2)
- if len(o.User) > 0 {
- if len(a) != 2 {
- return errors.New("xmpp: invalid username (want user@domain): " + o.User)
- }
- user = a[0]
- domain = a[1]
- } // Otherwise, we'll be attempting ANONYMOUS
-
- // Declare intent to be a jabber client and gather stream features.
- f, err := c.startStream(o, domain)
- if err != nil {
- return err
- }
-
- // If the server requires we STARTTLS, attempt to do so.
- if f, err = c.startTLSIfRequired(f, o, domain); err != nil {
- return err
- }
-
- if o.User == "" && o.Password == "" {
- foundAnonymous := false
- for _, m := range f.Mechanisms.Mechanism {
- if m == "ANONYMOUS" {
- fmt.Fprintf(c.conn, "<auth xmlns='%s' mechanism='ANONYMOUS' />\n", nsSASL)
- foundAnonymous = true
- break
- }
- }
- if !foundAnonymous {
- return fmt.Errorf("ANONYMOUS authentication is not an option and username and password were not specified")
- }
- } else {
- // Even digest forms of authentication are unsafe if we do not know that the host
- // we are talking to is the actual server, and not a man in the middle playing
- // proxy.
- if !c.IsEncrypted() && !o.InsecureAllowUnencryptedAuth {
- return errors.New("refusing to authenticate over unencrypted TCP connection")
- }
-
- mechanism := ""
- for _, m := range f.Mechanisms.Mechanism {
- if m == "X-OAUTH2" && o.OAuthToken != "" && o.OAuthScope != "" {
- mechanism = m
- // Oauth authentication: send base64-encoded \x00 user \x00 token.
- raw := "\x00" + user + "\x00" + o.OAuthToken
- enc := make([]byte, base64.StdEncoding.EncodedLen(len(raw)))
- base64.StdEncoding.Encode(enc, []byte(raw))
- fmt.Fprintf(c.conn, "<auth xmlns='%s' mechanism='X-OAUTH2' auth:service='oauth2' "+
- "xmlns:auth='%s'>%s</auth>\n", nsSASL, o.OAuthXmlNs, enc)
- break
- }
- if m == "PLAIN" {
- mechanism = m
- // Plain authentication: send base64-encoded \x00 user \x00 password.
- raw := "\x00" + user + "\x00" + o.Password
- enc := make([]byte, base64.StdEncoding.EncodedLen(len(raw)))
- base64.StdEncoding.Encode(enc, []byte(raw))
- fmt.Fprintf(c.conn, "<auth xmlns='%s' mechanism='PLAIN'>%s</auth>\n", nsSASL, enc)
- break
- }
- if m == "DIGEST-MD5" {
- mechanism = m
- // Digest-MD5 authentication
- fmt.Fprintf(c.conn, "<auth xmlns='%s' mechanism='DIGEST-MD5'/>\n", nsSASL)
- var ch saslChallenge
- if err = c.p.DecodeElement(&ch, nil); err != nil {
- return errors.New("unmarshal <challenge>: " + err.Error())
- }
- b, err := base64.StdEncoding.DecodeString(string(ch))
- if err != nil {
- return err
- }
- tokens := map[string]string{}
- for _, token := range strings.Split(string(b), ",") {
- kv := strings.SplitN(strings.TrimSpace(token), "=", 2)
- if len(kv) == 2 {
- if kv[1][0] == '"' && kv[1][len(kv[1])-1] == '"' {
- kv[1] = kv[1][1 : len(kv[1])-1]
- }
- tokens[kv[0]] = kv[1]
- }
- }
- realm, _ := tokens["realm"]
- nonce, _ := tokens["nonce"]
- qop, _ := tokens["qop"]
- charset, _ := tokens["charset"]
- cnonceStr := cnonce()
- digestURI := "xmpp/" + domain
- nonceCount := fmt.Sprintf("%08x", 1)
- digest := saslDigestResponse(user, realm, o.Password, nonce, cnonceStr, "AUTHENTICATE", digestURI, nonceCount)
- message := "username=\"" + user + "\", realm=\"" + realm + "\", nonce=\"" + nonce + "\", cnonce=\"" + cnonceStr +
- "\", nc=" + nonceCount + ", qop=" + qop + ", digest-uri=\"" + digestURI + "\", response=" + digest + ", charset=" + charset
-
- fmt.Fprintf(c.conn, "<response xmlns='%s'>%s</response>\n", nsSASL, base64.StdEncoding.EncodeToString([]byte(message)))
-
- var rspauth saslRspAuth
- if err = c.p.DecodeElement(&rspauth, nil); err != nil {
- return errors.New("unmarshal <challenge>: " + err.Error())
- }
- b, err = base64.StdEncoding.DecodeString(string(rspauth))
- if err != nil {
- return err
- }
- fmt.Fprintf(c.conn, "<response xmlns='%s'/>\n", nsSASL)
- break
- }
- }
- if mechanism == "" {
- return fmt.Errorf("PLAIN authentication is not an option: %v", f.Mechanisms.Mechanism)
- }
- }
- // Next message should be either success or failure.
- name, val, err := next(c.p)
- if err != nil {
- return err
- }
- switch v := val.(type) {
- case *saslSuccess:
- case *saslFailure:
- errorMessage := v.Text
- if errorMessage == "" {
- // v.Any is type of sub-element in failure,
- // which gives a description of what failed if there was no text element
- errorMessage = v.Any.Local
- }
- return errors.New("auth failure: " + errorMessage)
- default:
- return errors.New("expected <success> or <failure>, got <" + name.Local + "> in " + name.Space)
- }
-
- // Now that we're authenticated, we're supposed to start the stream over again.
- // Declare intent to be a jabber client.
- if f, err = c.startStream(o, domain); err != nil {
- return err
- }
-
- // Generate a unique cookie
- cookie := getCookie()
-
- // Send IQ message asking to bind to the local user name.
- if o.Resource == "" {
- fmt.Fprintf(c.conn, "<iq type='set' id='%x'><bind xmlns='%s'></bind></iq>\n", cookie, nsBind)
- } else {
- fmt.Fprintf(c.conn, "<iq type='set' id='%x'><bind xmlns='%s'><resource>%s</resource></bind></iq>\n", cookie, nsBind, o.Resource)
- }
- var iq clientIQ
- if err = c.p.DecodeElement(&iq, nil); err != nil {
- return errors.New("unmarshal <iq>: " + err.Error())
- }
- if &iq.Bind == nil {
- return errors.New("<iq> result missing <bind>")
- }
- c.jid = iq.Bind.Jid // our local id
- c.domain = domain
-
- if o.Session {
- //if server support session, open it
- fmt.Fprintf(c.conn, "<iq to='%s' type='set' id='%x'><session xmlns='%s'/></iq>", xmlEscape(domain), cookie, nsSession)
- }
-
- // We're connected and can now receive and send messages.
- fmt.Fprintf(c.conn, "<presence xml:lang='en'><show>%s</show><status>%s</status></presence>", o.Status, o.StatusMessage)
-
- return nil
-}
-
-// startTlsIfRequired examines the server's stream features and, if STARTTLS is required or supported, performs the TLS handshake.
-// f will be updated if the handshake completes, as the new stream's features are typically different from the original.
-func (c *Client) startTLSIfRequired(f *streamFeatures, o *Options, domain string) (*streamFeatures, error) {
- // whether we start tls is a matter of opinion: the server's and the user's.
- switch {
- case f.StartTLS == nil:
- // the server does not support STARTTLS
- return f, nil
- case f.StartTLS.Required != nil:
- // the server requires STARTTLS.
- case !o.StartTLS:
- // the user wants STARTTLS and the server supports it.
- }
- var err error
-
- fmt.Fprintf(c.conn, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>\n")
- var k tlsProceed
- if err = c.p.DecodeElement(&k, nil); err != nil {
- return f, errors.New("unmarshal <proceed>: " + err.Error())
- }
-
- tc := o.TLSConfig
- if tc == nil {
- tc = new(tls.Config)
- *tc = DefaultConfig
- //TODO(scott): we should consider using the server's address or reverse lookup
- tc.ServerName = domain
- }
- t := tls.Client(c.conn, tc)
-
- if err = t.Handshake(); err != nil {
- return f, errors.New("starttls handshake: " + err.Error())
- }
- c.conn = t
-
- // restart our declaration of XMPP stream intentions.
- tf, err := c.startStream(o, domain)
- if err != nil {
- return f, err
- }
- return tf, nil
-}
-
-// startStream will start a new XML decoder for the connection, signal the start of a stream to the server and verify that the server has
-// also started the stream; if o.Debug is true, startStream will tee decoded XML data to stderr. The features advertised by the server
-// will be returned.
-func (c *Client) startStream(o *Options, domain string) (*streamFeatures, error) {
- if o.Debug {
- c.p = xml.NewDecoder(tee{c.conn, os.Stderr})
- } else {
- c.p = xml.NewDecoder(c.conn)
- }
-
- _, err := fmt.Fprintf(c.conn, "<?xml version='1.0'?>\n"+
- "<stream:stream to='%s' xmlns='%s'\n"+
- " xmlns:stream='%s' version='1.0'>\n",
- xmlEscape(domain), nsClient, nsStream)
- if err != nil {
- return nil, err
- }
-
- // We expect the server to start a <stream>.
- se, err := nextStart(c.p)
- if err != nil {
- return nil, err
- }
- if se.Name.Space != nsStream || se.Name.Local != "stream" {
- return nil, fmt.Errorf("expected <stream> but got <%v> in %v", se.Name.Local, se.Name.Space)
- }
-
- // Now we're in the stream and can use Unmarshal.
- // Next message should be <features> to tell us authentication options.
- // See section 4.6 in RFC 3920.
- f := new(streamFeatures)
- if err = c.p.DecodeElement(f, nil); err != nil {
- return f, errors.New("unmarshal <features>: " + err.Error())
- }
- return f, nil
-}
-
-// IsEncrypted will return true if the client is connected using a TLS transport, either because it used.
-// TLS to connect from the outset, or because it successfully used STARTTLS to promote a TCP connection to TLS.
-func (c *Client) IsEncrypted() bool {
- _, ok := c.conn.(*tls.Conn)
- return ok
-}
-
-// Chat is an incoming or outgoing XMPP chat message.
-type Chat struct {
- Remote string
- Type string
- Text string
- Roster Roster
- Other []string
- OtherElem []XMLElement
- Stamp time.Time
-}
-
-type Roster []Contact
-
-type Contact struct {
- Remote string
- Name string
- Group []string
-}
-
-// Presence is an XMPP presence notification.
-type Presence struct {
- From string
- To string
- Type string
- Show string
- Status string
-}
-
-type IQ struct {
- ID string
- From string
- To string
- Type string
- Query []byte
-}
-
-// Recv waits to receive the next XMPP stanza.
-// Return type is either a presence notification or a chat message.
-func (c *Client) Recv() (stanza interface{}, err error) {
- for {
- _, val, err := next(c.p)
- if err != nil {
- return Chat{}, err
- }
- switch v := val.(type) {
- case *clientMessage:
- stamp, _ := time.Parse(
- "2006-01-02T15:04:05Z",
- v.Delay.Stamp,
- )
- chat := Chat{
- Remote: v.From,
- Type: v.Type,
- Text: v.Body,
- Other: v.OtherStrings(),
- OtherElem: v.Other,
- Stamp: stamp,
- }
- return chat, nil
- case *clientQuery:
- var r Roster
- for _, item := range v.Item {
- r = append(r, Contact{item.Jid, item.Name, item.Group})
- }
- return Chat{Type: "roster", Roster: r}, nil
- case *clientPresence:
- return Presence{v.From, v.To, v.Type, v.Show, v.Status}, nil
- case *clientIQ:
- // TODO check more strictly
- if bytes.Equal(v.Query, []byte(`<ping xmlns='urn:xmpp:ping'/>`)) || bytes.Equal(v.Query, []byte(`<ping xmlns="urn:xmpp:ping"/>`)) {
- err := c.SendResultPing(v.ID, v.From)
- if err != nil {
- return Chat{}, err
- }
- }
- return IQ{ID: v.ID, From: v.From, To: v.To, Type: v.Type, Query: v.Query}, nil
- }
- }
-}
-
-// Send sends the message wrapped inside an XMPP message stanza body.
-func (c *Client) Send(chat Chat) (n int, err error) {
- return fmt.Fprintf(c.conn, "<message to='%s' type='%s' xml:lang='en'>"+"<body>%s</body></message>",
- xmlEscape(chat.Remote), xmlEscape(chat.Type), xmlEscape(chat.Text))
-}
-
-// SendOrg sends the original text without being wrapped in an XMPP message stanza.
-func (c *Client) SendOrg(org string) (n int, err error) {
- return fmt.Fprint(c.conn, org)
-}
-
-func (c *Client) SendPresence(presence Presence) (n int, err error) {
- return fmt.Fprintf(c.conn, "<presence from='%s' to='%s'/>", xmlEscape(presence.From), xmlEscape(presence.To))
-}
-
-// SendKeepAlive sends a "whitespace keepalive" as described in chapter 4.6.1 of RFC6120.
-func (c *Client) SendKeepAlive() (n int, err error) {
- return fmt.Fprintf(c.conn, " ")
-}
-
-// SendHtml sends the message as HTML as defined by XEP-0071
-func (c *Client) SendHtml(chat Chat) (n int, err error) {
- return fmt.Fprintf(c.conn, "<message to='%s' type='%s' xml:lang='en'>"+
- "<body>%s</body>"+
- "<html xmlns='http://jabber.org/protocol/xhtml-im'><body xmlns='http://www.w3.org/1999/xhtml'>%s</body></html></message>",
- xmlEscape(chat.Remote), xmlEscape(chat.Type), xmlEscape(chat.Text), chat.Text)
-}
-
-// Roster asks for the chat roster.
-func (c *Client) Roster() error {
- fmt.Fprintf(c.conn, "<iq from='%s' type='get' id='roster1'><query xmlns='jabber:iq:roster'/></iq>\n", xmlEscape(c.jid))
- return nil
-}
-
-// RFC 3920 C.1 Streams name space
-type streamFeatures struct {
- XMLName xml.Name `xml:"http://etherx.jabber.org/streams features"`
- StartTLS *tlsStartTLS
- Mechanisms saslMechanisms
- Bind bindBind
- Session bool
-}
-
-type streamError struct {
- XMLName xml.Name `xml:"http://etherx.jabber.org/streams error"`
- Any xml.Name
- Text string
-}
-
-// RFC 3920 C.3 TLS name space
-type tlsStartTLS struct {
- XMLName xml.Name `xml:"urn:ietf:params:xml:ns:xmpp-tls starttls"`
- Required *string `xml:"required"`
-}
-
-type tlsProceed struct {
- XMLName xml.Name `xml:"urn:ietf:params:xml:ns:xmpp-tls proceed"`
-}
-
-type tlsFailure struct {
- XMLName xml.Name `xml:"urn:ietf:params:xml:ns:xmpp-tls failure"`
-}
-
-// RFC 3920 C.4 SASL name space
-type saslMechanisms struct {
- XMLName xml.Name `xml:"urn:ietf:params:xml:ns:xmpp-sasl mechanisms"`
- Mechanism []string `xml:"mechanism"`
-}
-
-type saslAuth struct {
- XMLName xml.Name `xml:"urn:ietf:params:xml:ns:xmpp-sasl auth"`
- Mechanism string `xml:",attr"`
-}
-
-type saslChallenge string
-
-type saslRspAuth string
-
-type saslResponse string
-
-type saslAbort struct {
- XMLName xml.Name `xml:"urn:ietf:params:xml:ns:xmpp-sasl abort"`
-}
-
-type saslSuccess struct {
- XMLName xml.Name `xml:"urn:ietf:params:xml:ns:xmpp-sasl success"`
-}
-
-type saslFailure struct {
- XMLName xml.Name `xml:"urn:ietf:params:xml:ns:xmpp-sasl failure"`
- Any xml.Name `xml:",any"`
- Text string `xml:"text"`
-}
-
-// RFC 3920 C.5 Resource binding name space
-type bindBind struct {
- XMLName xml.Name `xml:"urn:ietf:params:xml:ns:xmpp-bind bind"`
- Resource string
- Jid string `xml:"jid"`
-}
-
-// RFC 3921 B.1 jabber:client
-type clientMessage struct {
- XMLName xml.Name `xml:"jabber:client message"`
- From string `xml:"from,attr"`
- ID string `xml:"id,attr"`
- To string `xml:"to,attr"`
- Type string `xml:"type,attr"` // chat, error, groupchat, headline, or normal
-
- // These should technically be []clientText, but string is much more convenient.
- Subject string `xml:"subject"`
- Body string `xml:"body"`
- Thread string `xml:"thread"`
-
- // Any hasn't matched element
- Other []XMLElement `xml:",any"`
-
- Delay Delay `xml:"delay"`
-}
-
-func (m *clientMessage) OtherStrings() []string {
- a := make([]string, len(m.Other))
- for i, e := range m.Other {
- a[i] = e.String()
- }
- return a
-}
-
-type XMLElement struct {
- XMLName xml.Name
- InnerXML string `xml:",innerxml"`
-}
-
-func (e *XMLElement) String() string {
- r := bytes.NewReader([]byte(e.InnerXML))
- d := xml.NewDecoder(r)
- var buf bytes.Buffer
- for {
- tok, err := d.Token()
- if err != nil {
- break
- }
- switch v := tok.(type) {
- case xml.StartElement:
- err = d.Skip()
- case xml.CharData:
- _, err = buf.Write(v)
- }
- if err != nil {
- break
- }
- }
- return buf.String()
-}
-
-type Delay struct {
- Stamp string `xml:"stamp,attr"`
-}
-
-type clientText struct {
- Lang string `xml:",attr"`
- Body string `xml:"chardata"`
-}
-
-type clientPresence struct {
- XMLName xml.Name `xml:"jabber:client presence"`
- From string `xml:"from,attr"`
- ID string `xml:"id,attr"`
- To string `xml:"to,attr"`
- Type string `xml:"type,attr"` // error, probe, subscribe, subscribed, unavailable, unsubscribe, unsubscribed
- Lang string `xml:"lang,attr"`
-
- Show string `xml:"show"` // away, chat, dnd, xa
- Status string `xml:"status"` // sb []clientText
- Priority string `xml:"priority,attr"`
- Error *clientError
-}
-
-type clientIQ struct { // info/query
- XMLName xml.Name `xml:"jabber:client iq"`
- From string `xml:"from,attr"`
- ID string `xml:"id,attr"`
- To string `xml:"to,attr"`
- Type string `xml:"type,attr"` // error, get, result, set
- Query []byte `xml:",innerxml"`
- Error clientError
- Bind bindBind
-}
-
-type clientError struct {
- XMLName xml.Name `xml:"jabber:client error"`
- Code string `xml:",attr"`
- Type string `xml:",attr"`
- Any xml.Name
- Text string
-}
-
-type clientQuery struct {
- Item []rosterItem
-}
-
-type rosterItem struct {
- XMLName xml.Name `xml:"jabber:iq:roster item"`
- Jid string `xml:",attr"`
- Name string `xml:",attr"`
- Subscription string `xml:",attr"`
- Group []string
-}
-
-// Scan XML token stream to find next StartElement.
-func nextStart(p *xml.Decoder) (xml.StartElement, error) {
- for {
- t, err := p.Token()
- if err != nil || t == nil {
- return xml.StartElement{}, err
- }
- switch t := t.(type) {
- case xml.StartElement:
- return t, nil
- }
- }
-}
-
-// Scan XML token stream for next element and save into val.
-// If val == nil, allocate new element based on proto map.
-// Either way, return val.
-func next(p *xml.Decoder) (xml.Name, interface{}, error) {
- // Read start element to find out what type we want.
- se, err := nextStart(p)
- if err != nil {
- return xml.Name{}, nil, err
- }
-
- // Put it in an interface and allocate one.
- var nv interface{}
- switch se.Name.Space + " " + se.Name.Local {
- case nsStream + " features":
- nv = &streamFeatures{}
- case nsStream + " error":
- nv = &streamError{}
- case nsTLS + " starttls":
- nv = &tlsStartTLS{}
- case nsTLS + " proceed":
- nv = &tlsProceed{}
- case nsTLS + " failure":
- nv = &tlsFailure{}
- case nsSASL + " mechanisms":
- nv = &saslMechanisms{}
- case nsSASL + " challenge":
- nv = ""
- case nsSASL + " response":
- nv = ""
- case nsSASL + " abort":
- nv = &saslAbort{}
- case nsSASL + " success":
- nv = &saslSuccess{}
- case nsSASL + " failure":
- nv = &saslFailure{}
- case nsBind + " bind":
- nv = &bindBind{}
- case nsClient + " message":
- nv = &clientMessage{}
- case nsClient + " presence":
- nv = &clientPresence{}
- case nsClient + " iq":
- nv = &clientIQ{}
- case nsClient + " error":
- nv = &clientError{}
- default:
- return xml.Name{}, nil, errors.New("unexpected XMPP message " +
- se.Name.Space + " <" + se.Name.Local + "/>")
- }
-
- // Unmarshal into that storage.
- if err = p.DecodeElement(nv, &se); err != nil {
- return xml.Name{}, nil, err
- }
-
- return se.Name, nv, err
-}
-
-var xmlSpecial = map[byte]string{
- '<': "&lt;",
- '>': "&gt;",
- '"': "&quot;",
- '\'': "&apos;",
- '&': "&amp;",
-}
-
-func xmlEscape(s string) string {
- var b bytes.Buffer
- for i := 0; i < len(s); i++ {
- c := s[i]
- if s, ok := xmlSpecial[c]; ok {
- b.WriteString(s)
- } else {
- b.WriteByte(c)
- }
- }
- return b.String()
-}
-
-type tee struct {
- r io.Reader
- w io.Writer
-}
-
-func (t tee) Read(p []byte) (n int, err error) {
- n, err = t.r.Read(p)
- if n > 0 {
- t.w.Write(p[0:n])
- t.w.Write([]byte("\n"))
- }
- return
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-01 14:30:35 +0000