94 lines
2.7 KiB
Go
94 lines
2.7 KiB
Go
package xmpp
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import (
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"git.kingpenguin.tk/chteufleur/go-xmpp.git/src/xmpp"
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"crypto/rand"
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"log"
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"strconv"
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)
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const (
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dictionary = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"
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REPLY_UNREACHABLE = "reply_unreachable"
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REPLY_DENY = "reply_deny"
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REPLY_OK = "reply_ok"
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TYPE_SEND_MESSAGE = "type_send_message"
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TYPE_SEND_IQ = "type_send_iq"
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)
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type Confirmation struct {
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JID string
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Method string
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Domain string
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Transaction string
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TypeSend string
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IdMap string
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ChanReply chan string
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}
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func (confirmation *Confirmation) SendConfirmation() {
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log.Printf("%sQuery JID %s", LogInfo, confirmation.JID)
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isAutoGeneratedTranctionID := false
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if confirmation.Transaction == "" {
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// Random transaction ID generation
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confirmation.Transaction = TransactionID()
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isAutoGeneratedTranctionID = true
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}
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clientJID, _ := xmpp.ParseJID(confirmation.JID)
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if clientJID.Resource == "" {
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confirmation.askViaMessage(isAutoGeneratedTranctionID)
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} else {
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confirmation.askViaIQ()
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}
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}
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func (confirmation *Confirmation) askViaIQ() {
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stanzaID++
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stanzaIDstr := strconv.Itoa(stanzaID)
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m := xmpp.Iq{Type: xmpp.IQTypeGet, To: confirmation.JID, From: jid.Domain, Id: stanzaIDstr}
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confirm := &xmpp.Confirm{Id: confirmation.Transaction, Method: confirmation.Method, URL: confirmation.Domain}
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m.PayloadEncode(confirm)
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WaitIqMessages[stanzaIDstr] = confirmation
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comp.Out <- m
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confirmation.TypeSend = TYPE_SEND_IQ
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confirmation.IdMap = stanzaIDstr
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}
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func (confirmation *Confirmation) askViaMessage(isAutoGeneratedTranctionID bool) {
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m := xmpp.Message{From: jid.Domain, To: confirmation.JID, Type: xmpp.MessageTypeNormal}
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m.Thread = xmpp.SessionID()
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m.Body = confirmation.Domain + " (with method " + confirmation.Method + ") need to validate your identity, do you agree ?"
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m.Body += "\nValidation code : " + confirmation.Transaction
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if !isAutoGeneratedTranctionID {
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// Send only if the transaction ID is not autogenerated
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m.Body += "\nPlease check that this code is the same as on " + confirmation.Domain
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}
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m.Body += "\n\nIf your client doesn't support that functionnality, please send back the validation code to confirm the request."
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m.Confir = &xmpp.Confirm{Id: confirmation.Transaction, Method: confirmation.Method, URL: confirmation.Domain}
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log.Printf("%sSend message %v", LogInfo, m)
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WaitMessageAnswers[confirmation.Transaction] = confirmation
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comp.Out <- m
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confirmation.TypeSend = TYPE_SEND_MESSAGE
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confirmation.IdMap = confirmation.Transaction
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}
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func TransactionID() string {
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var bytes = make([]byte, 8)
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if _, err := rand.Read(bytes); err != nil {
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panic(err)
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}
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for k, v := range bytes {
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bytes[k] = dictionary[v%byte(len(dictionary))]
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}
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return string(bytes)
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}
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