func verifyDocs(origData, faksData []byte) (errs []error) {
orig, faks := xmlx.New(), xmlx.New()
err := orig.LoadBytes(origData, nil)
if err == nil {
if err = faks.LoadBytes(faksData, nil); err == nil {
errs = verifyNode(orig.Root, faks.Root)
}
}
return
}
func getRoster(msg string) (map[string]*Contact, os.Error) {
contactMap := make(map[string]*Contact)
xmlDoc := xmlx.New()
if err := xmlDoc.LoadString(msg); err != nil {
logError(err)
return nil, err
}
/*
<iq to='[email protected]/balcony' type='result' id='roster_1'>
<query xmlns='jabber:iq:roster'>
<item jid='*****@*****.**'
name='Romeo'
subscription='both'>
<group>Friends</group>
</item>
</query>
</iq>
*/
nodes := xmlDoc.SelectNodes("jabber:iq:roster", "item")
for _, node := range nodes {
tempContact := new(Contact)
tempContact.Name = node.GetAttr("", "name")
tempContact.Subscription = node.GetAttr("", "subscription")
tempContact.JID = node.GetAttr("", "jid")
tempContact.Show = "offline"
tempContact.Status = ""
contactMap[tempContact.JID] = tempContact
}
return contactMap, nil
}
func (cb *CnBeta) Success(buf []byte) {
doc := xmlx.New()
if err := doc.LoadBytes(buf, nil); err != nil {
cb.Failure(err)
return
}
cb.listener.OnSuccess(parser(doc))
cb.listener.OnEnd()
}
// Fetch retrieves the feed's content from the []byte
//
// The charset parameter overrides the xml decoder's CharsetReader.
// This allows us to specify a custom character encoding conversion
// routine when dealing with non-utf8 input. Supply 'nil' to use the
// default from Go's xml package.
func (this *Feed) FetchBytes(uri string, content []byte, charset xmlx.CharsetFunc) (err error) {
this.Url = uri
doc := xmlx.New()
if err = doc.LoadBytes(content, charset); err != nil {
return
}
return this.makeFeed(doc)
}
// Fetch retrieves the feed's latest content if necessary.
//
// The charset parameter overrides the xml decoder's CharsetReader.
// This allows us to specify a custom character encoding conversion
// routine when dealing with non-utf8 input. Supply 'nil' to use the
// default from Go's xml package.
//
// The client parameter allows the use of arbitrary network connections, for
// example the Google App Engine "URL Fetch" service.
func (this *Feed) FetchClient(uri string, client *http.Client, charset xmlx.CharsetFunc) (err error) {
if !this.CanUpdate() {
return
}
this.Url = uri
doc := xmlx.New()
if err = doc.LoadUriClient(uri, client, charset); err != nil {
return
}
return this.makeFeed(doc)
}
func main() {
doc := xmlx.New()
err := doc.LoadUri("https://github.com/sbhackerspace/" + "sbhx-snippets" + "/commits/master.atom")
if err != nil {
fmt.Printf("Error: %v\n", err)
} else {
children := doc.SelectNode("", "").Children
fmt.Printf("Num children: %v\n", len(children))
for i, child := range children {
fmt.Printf("Child %v: %v\n", i, child.Children)
fmt.Printf("\n\n")
}
}
}
func Parse(r io.Reader, charset xmlx.CharsetFunc) (chs []*Channel, err error) {
doc := xmlx.New()
if err = doc.LoadStream(r, charset); err != nil {
return
}
format, version := GetVersionInfo(doc)
if ok := testVersions(format, version); !ok {
err = errors.New(fmt.Sprintf("Unsupported feed: %s, version: %+v", format, version))
return
}
return buildFeed(format, doc)
}
/**
* For each feature type, return a slice of values
*/
func getFeatures(msg string) (map[string][]string, os.Error) {
keyValueMap := make(map[string][]string)
xmlDoc := xmlx.New()
if err := xmlDoc.LoadString(msg); err != nil {
logError(err)
return nil, err
}
/*
<stream:features>
<mechanisms xmlns='urn:ietf:params:xml:ns:xmpp-sasl'>
<mechanism>DIGEST-MD5</mechanism>
<mechanism>PLAIN</mechanism>
</mechanisms>
</stream:features>
*/
nodes := xmlDoc.SelectNodes(nsSASL, "mechanism")
for _, node := range nodes {
keyValueMap["mechanism"] = append(keyValueMap["mechanism"], node.Value)
logVerbose("mechanism: %s", node.Value)
}
/*
stream:features>
<bind xmlns='urn:ietf:params:xml:ns:xmpp-bind'/>
</stream:features>
*/
nodes = xmlDoc.SelectNodes(nsBind, "bind")
for _, node := range nodes {
keyValueMap["bind"] = append(keyValueMap["bind"], node.Value)
logVerbose("bind: %s", node.Value)
}
/*
stream:features>
<session xmlns='urn:ietf:params:xml:ns:xmpp-session'/>
</stream:features>
*/
nodes = xmlDoc.SelectNodes(nsSession, "session")
for _, node := range nodes {
keyValueMap["session"] = append(keyValueMap["session"], node.Value)
logVerbose("session: %s", node.Value)
}
return keyValueMap, nil
}
func Export(object export.Exportable) error {
outFile := fmt.Sprintf("%v.dae", object.GetName())
ctx := Context{
Object: xmlx.New(),
imageIds: make(map[string]string),
}
ctx.Object.Root = xmlx.NewNode(xmlx.NT_ROOT)
root := ctx.Object.Root
collada := addChild(root, "COLLADA",
Attribs{"xmlns": "http://www.collada.org/2005/11/COLLADASchema", "version": "1.4.1"}, "")
asset := addChild(collada, "asset", nil, "")
_ = addChild(asset, "unit", Attribs{"meter": "1", "name": "meter"}, "")
_ = addChild(asset, "up_axis", nil, "Y_UP")
ctx.libImages = addChild(collada, "library_images", nil, "")
ctx.libMaterials = addChild(collada, "library_materials", nil, "")
ctx.libEffects = addChild(collada, "library_effects", nil, "")
ctx.libGeometries = addChild(collada, "library_geometries", nil, "")
ctx.libScenes = addChild(collada, "library_visual_scenes", nil, "")
ctx.scene = addChild(ctx.libScenes, "visual_scene", Attribs{"id": "Scene",
"name": object.GetName()}, "")
scenes := addChild(collada, "scene", nil, "")
_ = addChild(scenes, "instance_visual_scene", Attribs{"url": "#Scene"}, "")
for _, model := range object.GetModels() {
var err error
if err = ExportMaterials(&ctx, model); err != nil {
return err
}
if err = ExportGeometries(&ctx, model); err != nil {
return err
}
}
if err := ctx.Object.SaveFile(outFile); err != nil {
return err
}
return nil
}
// Fetch retrieves the feed's latest content if necessary.
//
// The charset parameter overrides the xml decoder's CharsetReader.
// This allows us to specify a custom character encoding conversion
// routine when dealing with non-utf8 input. Supply 'nil' to use the
// default from Go's xml package.
//
// The client parameter allows the use of arbitrary network connections, for
// example the Google App Engine "URL Fetch" service.
func (this *Feed) FetchClient(uri string, client *http.Client, charset xmlx.CharsetFunc) (err error) {
if !this.CanUpdate() {
return
}
this.lastupdate = time.Now().UTC()
this.Url = uri
doc := xmlx.New()
if err = doc.LoadUriClient(uri, client, charset); err != nil {
return
}
if err = this.makeFeed(doc); err == nil {
// Only if fetching and parsing succeeded.
this.ignoreCacheOnce = false
}
return
}
// Fetch retrieves the feed's latest content if necessary.
//
// The charset parameter overrides the xml decoder's CharsetReader.
// This allows us to specify a custom character encoding conversion
// routine when dealing with non-utf8 input. Supply 'nil' to use the
// default from Go's xml package.
func (this *Feed) Fetch(uri string, charset xmlx.CharsetFunc) (err error) {
if !this.CanUpdate() {
return
}
this.Url = uri
// Extract type and version of the feed so we can have the appropriate
// function parse it (rss 0.91, rss 0.92, rss 2, atom etc).
doc := xmlx.New()
if err = doc.LoadUri(uri, charset); err != nil {
return
}
this.Type, this.Version = this.GetVersionInfo(doc)
if ok := this.testVersions(); !ok {
err = errors.New(fmt.Sprintf("Unsupported feed: %s, version: %+v", this.Type, this.Version))
return
}
chancount := len(this.Channels)
if err = this.buildFeed(doc); err != nil || len(this.Channels) == 0 {
return
}
// Notify host of new channels
if chancount != len(this.Channels) && this.chanhandler != nil {
this.chanhandler(this, this.Channels[chancount:])
}
// reset cache timeout values according to feed specified values (TTL)
if this.EnforceCacheLimit && this.CacheTimeout < this.Channels[0].TTL {
this.CacheTimeout = this.Channels[0].TTL
}
return
}
func getMessage(msg string) (MessageUpdate, os.Error) {
var tempMessage MessageUpdate
xmlDoc := xmlx.New()
if err := xmlDoc.LoadString(msg); err != nil {
logError(err)
return tempMessage, err
}
/*
<message
to='[email protected]/orchard'
from='[email protected]/balcony'
type='chat'
xml:lang='en'>
<body>Art thou not Romeo, and a Montague?</body>
<thread>e0ffe42b28561960c6b12b944a092794b9683a38</thread>
</message>
*/
node := xmlDoc.SelectNode("", "message")
if node != nil {
tempMessage.JID = node.GetAttr("", "from")
tempMessage.Type = node.GetAttr("", "type")
tempMessage.Body = node.GetValue("", "body")
node = xmlDoc.SelectNode(nsChatstates, "composing")
if node != nil {
tempMessage.State = "composing"
} else {
node = xmlDoc.SelectNode(nsChatstates, "active")
if node != nil {
tempMessage.State = "active"
}
}
}
return tempMessage, nil
}
func main() {
repo_names := []string{"sbhx-snippets", "sbhx-ircbot", "sbhx-rov",
"sbhx-sicp"} //, "sbhx-androidapp", "sbhx-projecteuler"
for _, repo := range repo_names[:1] {
result, err := ioutil.ReadFile(repo)
//defer ioutil.CloseFile(repo) // method doesn't exist
if err != nil {
fmt.Printf("%v\n", err)
} else {
//
// Parse XML
//
doc := xmlx.New()
if err = doc.LoadFile(string(result)); err != nil {
fmt.Printf("Error: %v\n", err)
} else {
fmt.Printf("Root:\n")
_ = doc.SelectNode("", "TreeRoot")
_ = doc.SelectNodes("", "item")
}
}
}
}
func getPresenceUpdates(msg string) ([]PresenceUpdate, os.Error) {
var updates []PresenceUpdate
var tempUpdate PresenceUpdate
xmlDoc := xmlx.New()
if err := xmlDoc.LoadString(msg); err != nil {
logError(err)
return nil, err
}
/*
<presence from='[email protected]/balcony' to='[email protected]/orchard' xml:lang='en'>
<show>away</show>
<status>be right back</status>
<priority>0</priority>
<x xmlns="vcard-temp:x:update">
<photo>8668b9b00eeb2e3a51ea5758e7cff9f7c5780309</photo>
</x>
</presence>
*/
nodes := xmlDoc.SelectNodes("", "presence")
for _, node := range nodes {
//sometimes jid in presence update comes with /resource, split it off
tempUpdate.JID = (strings.Split(node.GetAttr("", "from"), "/", -1))[0]
tempUpdate.Type = node.GetAttr("", "type")
tempUpdate.Show = node.GetValue("", "show")
tempUpdate.Status = node.GetValue("", "status")
//photo present? http://xmpp.org/extensions/xep-0153.html
if tempnode := node.SelectNode(nsVcardUpdate, "x"); tempnode != nil {
tempUpdate.PhotoHash = tempnode.GetValue(nsVcardUpdate, "photo")
logVerbose("PhotoHash In Presence Update: %s", tempUpdate.PhotoHash)
}
updates = append(updates, tempUpdate)
}
return updates, nil
}
func main() {
//
// Parse XML
//
doc := xmlx.New()
if err := doc.LoadFile("note.xml"); err != nil {
fmt.Printf("Error: %v\n", err)
} else {
notes := doc.SelectNodes("", "note")
for i, note := range notes {
if note != nil {
fmt.Printf("Note #%v: %v\n", i, note)
}
}
fmt.Printf("\n")
from := doc.SelectNodes("", "from")
to := doc.SelectNodes("", "to")
bodies := doc.SelectNodes("", "body")
for i, _ := range bodies {
fmt.Printf("From %v to %v: %v\n", from[i], to[i], bodies[i])
}
}
}
func getJID(msg string) (string, os.Error) {
xmlDoc := xmlx.New()
if err := xmlDoc.LoadString(msg); err != nil {
logError(err)
return "", err
}
/*
<iq type='result' id='bind_2'>
<bind xmlns='urn:ietf:params:xml:ns:xmpp-bind'>
<jid>[email protected]/someresource</jid>
</bind>
</iq>
*/
node := xmlDoc.SelectNode(nsBind, "jid")
if node != nil {
logVerbose("jid value: %s", node.Value)
return node.Value, nil
}
logVerbose("jid value not found")
return "", os.NewError(fmt.Sprintf("No JID found in: %s", msg))
}
func getAvatars(msg string) ([]AvatarUpdate, os.Error) {
xmlDoc := xmlx.New()
var updates []AvatarUpdate
var tempUpdate AvatarUpdate
if err := xmlDoc.LoadString(msg); err != nil {
logError(err)
return nil, err
}
/* VCARD
<iq from='*****@*****.**' to='[email protected]/orchard' type='result' id='vc2'>
<vCard xmlns='vcard-temp'>
<BDAY>1476-06-09</BDAY>
<ADR>
<CTRY>Italy</CTRY>
<LOCALITY>Verona</LOCALITY>
<HOME/>
</ADR>
<NICKNAME/>
<N>
<GIVEN>Juliet</GIVEN>
<FAMILY>Capulet</FAMILY>
</N>
<EMAIL>[email protected]</EMAIL>
<PHOTO>
<TYPE>image/jpeg</TYPE>
<BINVAL>
Base64-encoded-avatar-file-here!
</BINVAL>
</PHOTO>
</vCard>
</iq>
*/
fromjid := ""
iqnodes := xmlDoc.SelectNodes("", "iq")
for _, iqnode := range iqnodes {
fromjid = iqnode.GetAttr("", "from")
logVerbose("photo from: %s", fromjid)
node := iqnode.SelectNode(nsVcard, "PHOTO")
if node != nil {
phototype := node.GetValue(nsVcard, "TYPE")
logVerbose("photo type: %s", phototype)
base64pic := node.GetValue(nsVcard, "BINVAL")
if base64pic != "" {
//base64 has \r\n legal, but xml can strip off the \r
//see http://lists.w3.org/Archives/Public/w3c-ietf-xmldsig/2001AprJun/0188.html
//safer to just remove \n (0xa) altogether, or maybe replace it with (0xda)
base64pic = strings.Replace(base64pic, "\n", "", -1)
dbuf := make([]byte, base64.StdEncoding.DecodedLen(len(base64pic)))
if _, err := base64.StdEncoding.Decode(dbuf, []byte(base64pic)); err != nil {
logError(err)
return updates, err
}
tempUpdate.JID = fromjid
tempUpdate.Photo = dbuf
tempUpdate.Type = phototype
updates = append(updates, tempUpdate)
}
}
}
return updates, nil
}
/**************************************************************
* INTERNAL - Parsing
**************************************************************/
func getMessageType(msg string) (int, os.Error) {
xmlDoc := xmlx.New()
if err := xmlDoc.LoadString(msg); err != nil {
logError(err)
return Error, err
}
logVerbose("Root:%s, ns:%s", xmlDoc.Root.Name.Local, xmlDoc.Root.Name.Space)
//logVerbose("Child:%s, ns:%s", xmlDoc.Root.Children[0].Name.Local, xmlDoc.Root.Children[0].Name.Space)
/*
<presence xml:lang='en'>
<show>dnd</show>
<status>Wooing Juliet</status>
<status xml:lang='cz'>Ja dvořím Juliet</status>
<priority>1</priority>
</presence>
*/
node := xmlDoc.SelectNode("", "presence")
if node != nil {
logVerbose("GetMessageType:Presence")
return Presence, nil
}
/*
<message
to='[email protected]/orchard'
from='[email protected]/balcony'
type='chat'
xml:lang='en'>
<body>Art thou not Romeo, and a Montague?</body>
<thread>e0ffe42b28561960c6b12b944a092794b9683a38</thread>
</message>
*/
node = xmlDoc.SelectNode("", "message")
if node != nil {
logVerbose("GetMessageType:Message")
return Message, nil
}
node = xmlDoc.SelectNode("", "iq")
if node != nil {
logVerbose("GetMessageType:IQ, looking for specifics")
/* google chat:
<iq from="gmail.com" type="result" id="sess_1"/>
*/
if strings.Contains(node.GetAttr("", "id"), "sess") {
logVerbose("GetMessageType:Session, google style")
return Session, nil
}
/* facebook:
<iq type="result" from="chat.facebook.com" id="sess_1">
<session xmlns="urn:ietf:params:xml:ns:xmpp-session"/>
</iq>"
*/
node = xmlDoc.SelectNode(nsSession, "session")
if node != nil {
logVerbose("GetMessageType:Session")
return Session, nil
}
/* VCARD
<iq from='*****@*****.**' to='[email protected]/orchard' type='result' id='vc2'>
<vCard xmlns='vcard-temp'>
<BDAY>1476-06-09</BDAY>
<ADR>
<CTRY>Italy</CTRY>
<LOCALITY>Verona</LOCALITY>
<HOME/>
</ADR>
<NICKNAME/>
<N>
<GIVEN>Juliet</GIVEN>
<FAMILY>Capulet</FAMILY>
</N>
<EMAIL>[email protected]</EMAIL>
<PHOTO>
<TYPE>image/jpeg</TYPE>
<BINVAL>
Base64-encoded-avatar-file-here!
</BINVAL>
</PHOTO>
</vCard>
</iq>
*/
node = xmlDoc.SelectNode(nsVcard, "vCard")
if node != nil {
logVerbose("GetMessageType:VCard")
return VCard, nil
}
/* BIND/JID
<iq type='result' id='bind_2'>
<bind xmlns='urn:ietf:params:xml:ns:xmpp-bind'>
<jid>[email protected]/someresource</jid>
</bind>
</iq>
*/
node = xmlDoc.SelectNode(nsBind, "jid")
if node != nil {
logVerbose("GetMessageType:JID")
return JID, nil
}
}
/*
<iq to='[email protected]/balcony' type='result' id='roster_1'>
<query xmlns='jabber:iq:roster'>
<item jid='*****@*****.**'
name='Romeo'
subscription='both'>
<group>Friends</group>
</item>
</query>
</iq>
*/
node = xmlDoc.SelectNode(nsRoster, "query")
if node != nil {
logVerbose("GetMessageType:Roster")
return Roster, nil
}
/*
<stream:features>
<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'>
<required/>
</starttls>
<mechanisms xmlns='urn:ietf:params:xml:ns:xmpp-sasl'>
<mechanism>DIGEST-MD5</mechanism>
<mechanism>PLAIN</mechanism>
</mechanisms>
</stream:features>
*/
node = xmlDoc.SelectNode(nsStream, "features")
if node != nil {
logVerbose("GetMessageType:features")
return Features, nil
}
node = xmlDoc.SelectNode("stream", "features")
if node != nil {
logVerbose("GetMessageType:features")
return Features, nil
}
/*
<challenge xmlns='urn:ietf:params:xml:ns:xmpp-sasl'>
cmVhbG09InNvbWVyZWFsbSIsbm9uY2U9Ik9BNk1HOXRFUUdtMmhoIixxb3A9ImF1dGgi
LGNoYXJzZXQ9dXRmLTgsYWxnb3JpdGhtPW1kNS1zZXNzCg==
</challenge>
*/
node = xmlDoc.SelectNode(nsSASL, "challenge")
if node != nil {
logVerbose("GetMessageType:challenge")
return Challenge, nil
}
/*
<success xmlns='urn:ietf:params:xml:ns:xmpp-sasl'/>
*/
node = xmlDoc.SelectNode(nsSASL, "success")
if node != nil {
logVerbose("GetMessageType:success")
return Success, nil
}
/*
<failure xmlns='urn:ietf:params:xml:ns:xmpp-sasl'>
<incorrect-encoding/>
</failure>
*/
node = xmlDoc.SelectNode(nsSASL, "failure")
if node != nil {
logVerbose("GetMessageType:Failure")
return SASLFailure, nil
}
/*
<proceed xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>
*/
node = xmlDoc.SelectNode(nsTLS, "proceed")
if node != nil {
logVerbose("GetMessageType:proceed")
return Proceed, nil
}
logVerbose("GetMessageType:unknown")
return Unknown, nil
}
/**
* for challenge type, determine appropriate response
* responding to an SASL challenge: http://www.ietf.org/rfc/rfc2831.txt
**/
func getChallengeResp_DIGESTMD5(challenge string, username string, password string, cnonce string, forceRealm string) (string, os.Error) {
keyValueMap := make(map[string]string)
xmlDoc := xmlx.New()
if err := xmlDoc.LoadString(challenge); err != nil {
logError(err)
return "", err
}
node := xmlDoc.SelectNode(nsSASL, "challenge")
if node == nil {
return "", os.NewError(fmt.Sprintf("No Challenge in: ", challenge))
}
logVerbose("urn:ietf:params:xml:ns:xmpp-sasl,challenge Node found")
logVerbose("challenge: %s", node.Value)
/*
<challenge xmlns='urn:ietf:params:xml:ns:xmpp-sasl'>
cmVhbG09InNvbWVyZWFsbSIsbm9uY2U9Ik9BNk1HOXRFUUdtMmhoIixxb3A9ImF1dGgi
LGNoYXJzZXQ9dXRmLTgsYWxnb3JpdGhtPW1kNS1zZXNzCg==
</challenge>
is base64 encoded to begin with based on IMAP4 AUTHENTICATE command [RFC 2060],
decodes to something like
digest-challenge =
1#( realm | nonce | qop-options | stale | maxbuf | charset
algorithm | cipher-opts | auth-param )
ex:
realm="elwood.innosoft.com",nonce="OA6MG9tEQGm2hh",qop="auth",
algorithm=md5-sess,charset=utf-8
*/
dbuf := make([]byte, base64.StdEncoding.DecodedLen(len(node.Value)))
if _, err := base64.StdEncoding.Decode(dbuf, []byte(node.Value)); err != nil {
logVerbose("Error Decoding.")
}
logVerbose("Decoded: %s", dbuf)
//tokenize challenge properties, and store in map for convenience
//some of them will be reused to send the response
tokens := strings.Split(string(dbuf), ",", -1)
for _, tok := range tokens {
logVerbose("token: " + tok)
pair := strings.Split(tok, "=", 2)
logVerbose(pair[0] + ":" + pair[1])
keyValueMap[pair[0]] = strings.Trim(pair[1], "'\"")
}
/*
digest-response =
1#( username | realm | nonce | cnonce |
nonce-count | qop | digest-uri | response |
maxbuf | charset | cipher | authzid |
auth-param )
ex:
charset=utf-8,username="******",realm="elwood.innosoft.com",
nonce="OA6MG9tEQGm2hh",nc=00000001,cnonce="OA6MHXh6VqTrRk",
digest-uri="imap/elwood.innosoft.com",
response=d388dad90d4bbd760a152321f2143af7,qop=auth
*/
/*
from the digest response above, 'response' is complicated
from RFC2831:
Let H(s) be the 16 octet MD5 hash [RFC 1321] of the octet string s.
Let KD(k, s) be H({k, ":", s}), i.e., the 16 octet hash of the string
k, a colon and the string s.
Let HEX(n) be the representation of the 16 octet MD5 hash n as a
string of 32 hex digits (with alphabetic characters always in lower
case, since MD5 is case sensitive).
response-value = HEX(
KD (
HEX(H(A1)), { nonce-value, ":" nc-value, ":", cnonce-value, ":", qop-value, ":", HEX(H(A2)) }
)
)
A1 = { H( { username-value, ":", realm-value, ":", passwd } ),
":", nonce-value, ":", cnonce-value, ":", authzid-value }
A2 = { "AUTHENTICATE:", digest-uri-value }
*/
var realm string
if forceRealm != "" {
realm = forceRealm
} else {
realm = keyValueMap["realm"]
}
/* HEX(H(A1)) */
hash := md5.New()
hash.Write([]byte(username + ":" + realm + ":" + password))
X := hash.Sum()
A1 := append(X, []byte(":"+keyValueMap["nonce"]+":"+cnonce)...)
hash.Reset()
hash.Write(A1)
HA1 := hash.Sum()
HEXHA1 := strings.ToLower(fmt.Sprintf("%x", HA1))
logVerbose("HEXHA1: %s", HEXHA1)
/* HEX(H(A2)) */
digesturi := "xmpp/" + realm
A2 := "AUTHENTICATE:" + digesturi
hash.Reset()
hash.Write([]byte(A2))
HA2 := string(hash.Sum())
HEXHA2 := strings.ToLower(fmt.Sprintf("%x", HA2))
logVerbose("HEXHA2: %s", HEXHA2)
hash.Reset()
hash.Write([]byte(HEXHA1 + ":" + keyValueMap["nonce"] + ":" + noncecount + ":" + cnonce + ":" + keyValueMap["qop"] + ":" + HEXHA2))
KD := string(hash.Sum())
HEXKD := strings.ToLower(fmt.Sprintf("%x", KD))
logVerbose("HEXKD: %s", HEXKD)
reply := "username='******'" +
",realm='" + realm + "'" +
",nonce='" + keyValueMap["nonce"] + "'" +
",cnonce='" + cnonce + "'" +
",nc=" + noncecount +
",qop=" + keyValueMap["qop"] +
",digest-uri='" + digesturi + "'" +
",response=" + HEXKD +
",charset=" + keyValueMap["charset"]
//",authzid='" + authzid + "'" //authzid in RFC2222
reply = strings.Replace(reply, "'", "\"", -1)
//is base64 encoded to begin with based on IMAP4 AUTHENTICATE command [RFC 2060],
logVerbose("formed reply: %s", reply)
base64buf := make([]byte, base64.StdEncoding.EncodedLen(len(reply)))
base64.StdEncoding.Encode(base64buf, []byte(reply))
return "<response xmlns='" + nsSASL + "'>" + string(base64buf) + "</response>", nil
}