xmpp

package module
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 Go to latest Published: Aug 18, 2023 License: BSD-3-Clause Imports: 26 Imported by: 0

README

go-xmpp

go xmpp library.

Original was done by Russ Cox, then forked by Yasuhiro Matsumoto.

Since both of them have amost zero interest in continuing develop of this lib, i decide to fork it.

Documentation can be found at godoc project

This fork mainains my needs for xmpp protocol. Feel free to contribute via PR-s if you find it interesing too and feel that it needs more love than it already has.

Documentation

Overview

Package xmpp implements a simple Google Talk client using the XMPP protocol described in RFC 3920 and RFC 3921.

TODO(flo):

  • support password protected MUC rooms
  • cleanup signatures of join/leave functions

Index

Constants

View Source 
const (
	XMPPNS_AVATAR_PEP_DATA     = "urn:xmpp:avatar:data"
	XMPPNS_AVATAR_PEP_METADATA = "urn:xmpp:avatar:metadata"
)
View Source 
const (
	XMPPNS_DISCO_ITEMS = "http://jabber.org/protocol/disco#items"
	XMPPNS_DISCO_INFO  = "http://jabber.org/protocol/disco#info"
)
View Source 
const (
	NoHistory      = 0
	CharHistory    = 1
	StanzaHistory  = 2
	SecondsHistory = 3
	SinceHistory   = 4
)
View Source 
const (
	XMPPNS_PUBSUB       = "http://jabber.org/protocol/pubsub"
	XMPPNS_PUBSUB_EVENT = "http://jabber.org/protocol/pubsub#event"
)
View Source 
const IQTypeError = "error"
View Source 
const IQTypeGet = "get"
View Source 
const IQTypeResult = "result"
View Source 
const IQTypeSet = "set"

Variables

View Source 
var DebugWriter io.Writer = os.Stderr

DebugWriter is the writer used to write debugging output to.

View Source 
var DefaultConfig = &tls.Config{}

Default TLS configuration options

View Source 
var StanzaWriter io.Writer

Functions

This section is empty.

Types

type AvatarData 

type AvatarData struct {
	Data []byte
	From string
}

type AvatarMetadata 

type AvatarMetadata struct {
	From   string
	Bytes  int
	Width  int
	Height int
	ID     string
	Type   string
	URL    string
}

type Chat 

type Chat struct {
	Remote    string
	Type      string
	Text      string
	Subject   string
	Thread    string
	Ooburl    string
	Oobdesc   string
	Roster    Roster
	Other     []string
	OtherElem []XMLElement
	Stamp     time.Time
}

Chat is an incoming or outgoing XMPP chat message.

type Client 

type Client struct {
	// contains filtered or unexported fields
}

Client holds XMPP connection options

func NewClient 

func NewClient(host, user, passwd string, debug bool) (*Client, error)

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 NewClientNoTLS 

func NewClientNoTLS(host, user, passwd string, debug bool) (*Client, error)

NewClientNoTLS creates a new client without TLS

func (*Client) ApproveSubscription 

func (c *Client) ApproveSubscription(jid string)

func (*Client) AvatarRequestData 

func (c *Client) AvatarRequestData(jid string)

func (*Client) AvatarRequestDataByID 

func (c *Client) AvatarRequestDataByID(jid, id string)

func (*Client) AvatarRequestMetadata 

func (c *Client) AvatarRequestMetadata(jid string)

func (*Client) AvatarSubscribeMetadata 

func (c *Client) AvatarSubscribeMetadata(jid string)

func (*Client) AvatarUnsubscribeMetadata 

func (c *Client) AvatarUnsubscribeMetadata(jid string)

func (*Client) Close 

func (c *Client) Close() error

Close closes the XMPP connection

func (*Client) DiscoverEntityItems 

func (c *Client) DiscoverEntityItems(jid string) (string, error)

DiscoverEntityItems discovers items that an entity exposes.

func (*Client) DiscoverInfo added in v1.1.0 

func (c *Client) DiscoverInfo(from string, to string) (string, error)

DiscoverInfo discovers information about given item from given jid.

func (*Client) DiscoverNodeInfo 

func (c *Client) DiscoverNodeInfo(node string) (string, error)

DiscoverNodeInfo discovers information about a node. Empty node queries info about server itself.

func (*Client) DiscoverServerItems 

func (c *Client) DiscoverServerItems() (string, error)

DiscoverServerItems discover items that the server exposes

func (*Client) Discovery 

func (c *Client) Discovery() (string, error)

func (*Client) ErrorNotImplemented added in v1.5.0 

func (c *Client) ErrorNotImplemented(v IQ, xmlns, feature string) (string, error)

ErrorNotImplemented implements error response about feature that is not (yet?) implemented. Xmlns is about not implemented feature.

If queried feature is not here because of it under development or for similar reasons, standards suggest answer with this stanza.

func (*Client) ErrorServiceUnavailable added in v1.5.0 

func (c *Client) ErrorServiceUnavailable(v IQ, queryXmlns, node string) (string, error)

ErrorServiceUnavailable implements error response about feature that is not available. Currently implemented for xep-0030. QueryXmlns is about incoming xmlns attribute in query tag. Node is about incoming node attribute in query tag (looks like it used only in disco#commands).

If queried feature is not here on purpose, standards suggest answer with this stanza.

func (*Client) IqVersionResponse added in v1.5.0 

func (c *Client) IqVersionResponse(v IQ, name, version, os string) (string, error)

IqVersionResponse responding with software version, according to xep-0092.

func (*Client) IsEncrypted 

func (c *Client) IsEncrypted() bool

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 (*Client) JID 

func (c *Client) JID() string

func (*Client) JabberIqLastResponse added in v1.5.0 

func (c *Client) JabberIqLastResponse(v IQ, lastActivity int64) (string, error)

JabberIqLastResponse responding with relative time since last activity. Here lastActivity is unix time stamp when last activity took place since.

func (*Client) JoinMUC 

func (c *Client) JoinMUC(jid, nick string, history_type, history int, history_date *time.Time) (n int, err error)

xep-0045 7.2

func (*Client) JoinMUCNoHistory 

func (c *Client) JoinMUCNoHistory(jid, nick string) (n int, err error)

func (*Client) JoinProtectedMUC 

func (c *Client) JoinProtectedMUC(jid, nick string, password string, history_type, history int, history_date *time.Time) (n int, err error)

xep-0045 7.2.6

func (*Client) LeaveMUC 

func (c *Client) LeaveMUC(jid string) (n int, err error)

xep-0045 7.14

func (*Client) PingC2S 

func (c *Client) PingC2S(jid, server string) error

func (*Client) PingResponse added in v1.5.0 

func (c *Client) PingResponse(v IQ) (string, error)

PingResponse responding to ping query according to xep-0199

func (*Client) PingS2S 

func (c *Client) PingS2S(fromServer, toServer string) error

func (*Client) PubsubRequestItem 

func (c *Client) PubsubRequestItem(node, jid, id string) (string, error)

func (*Client) PubsubRequestLastItems 

func (c *Client) PubsubRequestLastItems(node, jid string) (string, error)

func (*Client) PubsubSubscribeNode 

func (c *Client) PubsubSubscribeNode(node, jid string) (string, error)

func (*Client) PubsubUnsubscribeNode 

func (c *Client) PubsubUnsubscribeNode(node, jid string) (string, error)

func (*Client) RawInformation 

func (c *Client) RawInformation(from, to, id, iqType, body string) (string, error)

RawInformation sends a IQ request with the payload body to the server.

func (*Client) RawInformationQuery 

func (c *Client) RawInformationQuery(from, to, id, iqType, requestNamespace, body string) (string, error)

RawInformationQuery sends an information query request to the server.

func (*Client) Recv 

func (c *Client) Recv() (stanza interface{}, err error)

Recv waits to receive the next XMPP stanza. Return type is either a presence notification or a chat message.

func (*Client) RequestSubscription 

func (c *Client) RequestSubscription(jid string)

func (*Client) RetrieveSubscription 

func (c *Client) RetrieveSubscription(jid string)

func (*Client) RevokeSubscription 

func (c *Client) RevokeSubscription(jid string)

func (*Client) Roster 

func (c *Client) Roster() error

Roster asks for the chat roster.

func (*Client) Send 

func (c *Client) Send(chat Chat) (n int, err error)

Send sends the message wrapped inside an XMPP message stanza body.

func (*Client) SendHtml 

func (c *Client) SendHtml(chat Chat) (n int, err error)

SendHtml sends the message as HTML as defined by XEP-0071

func (*Client) SendKeepAlive 

func (c *Client) SendKeepAlive() (n int, err error)

SendKeepAlive sends a "whitespace keepalive" as described in chapter 4.6.1 of RFC6120.

func (*Client) SendOOB 

func (c *Client) SendOOB(chat Chat) (n int, err error)

SendOOB sends OOB data wrapped inside an XMPP message stanza, without actual body.

func (*Client) SendOrg 

func (c *Client) SendOrg(org string) (n int, err error)

SendOrg sends the original text without being wrapped in an XMPP message stanza.

func (*Client) SendPresence 

func (c *Client) SendPresence(presence Presence) (n int, err error)

SendPresence sends Presence wrapped inside XMPP presence stanza.

func (*Client) SendResultPing 

func (c *Client) SendResultPing(id, toServer string) error

func (*Client) SendTopic 

func (c *Client) SendTopic(chat Chat) (n int, err error)

Send sends room topic wrapped inside an XMPP message stanza body.

func (*Client) UrnXmppTimeResponse added in v1.5.0 

func (c *Client) UrnXmppTimeResponse(v IQ, timezoneOffset string) (string, error)

UrnXmppTimeResponse implements response to query entity's current time (xep-0202). TimezoneOffset have format +HH:MM or -HH:MM

type Contact 

type Contact struct {
	Remote string
	Name   string
	Group  []string
}
type Cookie uint64

Cookie is a unique XMPP session identifier

type Delay 

type Delay struct {
	Stamp string `xml:"stamp,attr"`
}

type DiscoIdentity 

type DiscoIdentity struct {
	Category string
	Type     string
	Name     string
}

type DiscoItem 

type DiscoItem struct {
	Jid  string
	Name string
	Node string
}

type DiscoItems 

type DiscoItems struct {
	Jid   string
	Items []DiscoItem
}

type DiscoResult 

type DiscoResult struct {
	ID         string
	From       string
	To         string
	Features   []string
	Identities []DiscoIdentity
}

type IQ 

type IQ struct {
	ID    string
	From  string
	To    string
	Type  string
	Query []byte
}

type Options 

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

	// DialTimeout is the time limit for establishing a connection. A
	// DialTimeout of zero means no timeout.
	DialTimeout time.Duration

	// 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
}

Options are used to specify additional options for new clients, such as a Resource.

func (Options) NewClient 

func (o Options) NewClient() (*Client, error)

NewClient establishes a new Client connection based on a set of Options.

type Presence 

type Presence struct {
	From        string
	To          string
	Type        string
	Show        string
	Status      string
	Priority    string
	ID          string
	Affiliation string
	Role        string
	JID         string
}

Presence is an XMPP presence notification.

type PubsubEvent 

type PubsubEvent struct {
	Node  string
	Items []PubsubItem
}

type PubsubItem 

type PubsubItem struct {
	ID       string
	InnerXML []byte
}

type PubsubItems 

type PubsubItems struct {
	Node  string
	Items []PubsubItem
}

type PubsubSubscription 

type PubsubSubscription struct {
	SubID  string
	JID    string
	Node   string
	Errors []string
}

type PubsubUnsubscription 

type PubsubUnsubscription PubsubSubscription

type Roster 

type Roster []Contact

type XMLElement 

type XMLElement struct {
	XMLName  xml.Name
	Attr     []xml.Attr `xml:",any,attr"` // Save the attributes of the xml element
	InnerXML string     `xml:",innerxml"`
}

func (*XMLElement) String 

func (e *XMLElement) String() string

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