Improve code for password change and registration cancel

(bzr r958)

1 files changed, 88 insertions, 121 deletions

diff --git a/src/pedro/pedroxmpp.cpp b/src/pedro/pedroxmpp.cpp
index 4847ebfd8..b531441f0 100644
--- a/src/pedro/pedroxmpp.cpp
+++ b/src/pedro/pedroxmpp.cpp
@@ -3289,12 +3289,12 @@ bool XmppClient::inBandRegistrationNew()
         {
         Element *errElem = list[0];
         DOMString code = errElem->getAttribute("code");
-        DOMString errMsg = "Registration error. ";
+        DOMString errMsg = "Registration error: ";
         if (code == "409")
             {
             errMsg.append("conflict with existing user name");
             }
-        if (code == "406")
+        else if (code == "406")
             {
             errMsg.append("some registration information was not provided");
             }
@@ -3317,88 +3317,79 @@ bool XmppClient::inBandRegistrationNew()
 /**
  * Perform JEP-077 In-Band Registration
  */
-bool XmppClient::inBandRegistrationModify()
+bool XmppClient::inBandRegistrationChangePassword(const DOMString &newpassword)
 {
     Parser parser;
 
+    //# Let's try it form-style to allow the common old/new password thing
     char *fmt =
-     "<iq type='get' id='reg1'>"
-         "<query xmlns='jabber:iq:register'/>"
-         "</iq>\n\n";
-    if (!write(fmt))
+      "<iq type='set' from='%s' to='%s' id='change1'>"
+      "  <query xmlns='jabber:iq:register'>"
+      "    <x xmlns='jabber:x:data' type='form'>"
+      "      <field type='hidden' var='FORM_TYPE'>"
+      "        <value>jabber:iq:register:changepassword</value>"
+      "      </field>"
+      "      <field type='text-single' var='username'>"
+      "        <value>%s</value>"
+      "      </field>"
+      "      <field type='text-private' var='old_password'>"
+      "        <value>%s</value>"
+      "      </field>"
+      "      <field type='text-private' var='password'>"
+      "        <value>%s</value>"
+      "      </field>"
+      "    </x>"
+      "  </query>"
+      "</iq>\n\n";
+
+    if (!write(fmt, jid.c_str(), host.c_str(),
+             username.c_str(), password.c_str(), newpassword.c_str()))
         return false;
 
     DOMString recbuf = readStanza();
-    status("RECV reg: %s", recbuf.c_str());
+    status("RECV chpass: %s", recbuf.c_str());
     Element *elem = parser.parse(recbuf);
     //elem->print();
 
-    //# does the entity send the "instructions" tag?
-    std::vector<Element *> fields = elem->findElements("field");
-    std::vector<DOMString> fnames;
-    for (unsigned int i=0; i<fields.size() ; i++)
+    std::vector<Element *> list = elem->findElements("error");
+    if (list.size()==0)
         {
-        DOMString fname = fields[i]->getAttribute("var");
-        if (fname == "FORM_TYPE")
-            continue;
-        fnames.push_back(fname);
-        status("field name:%s", fname.c_str());
+        XmppEvent evt(XmppEvent::EVENT_REGISTRATION_CHANGE_PASS);
+        evt.setTo(username);
+        evt.setFrom(host);
+        dispatchXmppEvent(evt);
+        delete elem;
+        return true;
         }
 
-    delete elem;
 
-    if (fnames.size() == 0)
+    Element *errElem = list[0];
+    DOMString errMsg = "Password change error: ";
+    if (errElem->findElements("bad-request").size()>0)
         {
-        error("server did not offer registration");
-        return false;
+        errMsg.append("password change does not contain complete information");
         }
-
-
-    fmt =
-     "<iq type='set' id='reg2'>"
-         "<query xmlns='jabber:iq:register'>"
-         "<username>%s</username>"
-         "<password>%s</password>"
-         "<email/><name/>"
-         "</query>"
-         "</iq>\n\n";
-    if (!write(fmt, toXml(username).c_str(),
-                    toXml(password).c_str() ))
-        return false;
-
-
-    recbuf = readStanza();
-    status("RECV reg: %s", recbuf.c_str());
-    elem = parser.parse(recbuf);
-    //elem->print();
-
-    std::vector<Element *> list = elem->findElements("error");
-    if (list.size()>0)
+    else if (errElem->findElements("not-authorized").size()>0)
         {
-        Element *errElem = list[0];
-        DOMString code = errElem->getAttribute("code");
-        DOMString errMsg = "Registration error. ";
-        if (code == "409")
-            {
-            errMsg.append("conflict with existing user name");
-            }
-        if (code == "406")
-            {
-            errMsg.append("some registration information was not provided");
-            }
-        error((char *)errMsg.c_str());
-        delete elem;
-        return false;
+        errMsg.append("server does not consider the channel safe "
+                      "enough to enable a password change");
+        }
+    else if (errElem->findElements("not-allowed").size()>0)
+        {
+        errMsg.append("server does not allow password changes");
+        }
+    else if (errElem->findElements("unexpected-request").size()>0)
+        {
+        errMsg.append(
+             "IQ set does not contain a 'from' address because "
+             "the entity is not registered with the server");
         }
 
     delete elem;
 
-    XmppEvent evt(XmppEvent::EVENT_REGISTRATION_MODIFY);
-    evt.setTo(username);
-    evt.setFrom(host);
-    dispatchXmppEvent(evt);
+    error((char *)errMsg.c_str());
 
-    return true;
+    return false;
 }
 
 
@@ -3410,83 +3401,59 @@ bool XmppClient::inBandRegistrationCancel()
     Parser parser;
 
     char *fmt =
-     "<iq type='get' id='reg1'>"
-         "<query xmlns='jabber:iq:register'/>"
-         "</iq>\n\n";
-    if (!write(fmt))
+     "<iq type='set' from='%s' id='unreg1'>"
+          "<query xmlns='jabber:iq:register'><remove/></query>"
+          "</iq>\n\n";  
+    if (!write(fmt, jid.c_str()))
         return false;
 
     DOMString recbuf = readStanza();
-    status("RECV reg: %s", recbuf.c_str());
+    status("RECV unreg: %s", recbuf.c_str());
     Element *elem = parser.parse(recbuf);
     //elem->print();
 
-    //# does the entity send the "instructions" tag?
-    std::vector<Element *> fields = elem->findElements("field");
-    std::vector<DOMString> fnames;
-    for (unsigned int i=0; i<fields.size() ; i++)
+    std::vector<Element *> list = elem->findElements("error");
+    if (list.size()==0)
         {
-        DOMString fname = fields[i]->getAttribute("var");
-        if (fname == "FORM_TYPE")
-            continue;
-        fnames.push_back(fname);
-        status("field name:%s", fname.c_str());
+        XmppEvent evt(XmppEvent::EVENT_REGISTRATION_CANCEL);
+        evt.setTo(username);
+        evt.setFrom(host);
+        dispatchXmppEvent(evt);
+        delete elem;
+        return true;
         }
 
-    delete elem;
 
-    if (fnames.size() == 0)
+    Element *errElem = list[0];
+    DOMString errMsg = "Registration cancel error: ";
+    if (errElem->findElements("bad-request").size()>0)
         {
-        error("server did not offer registration");
-        return false;
+        errMsg.append("The <remove/> element was not the only child element of the <query/> element.");
         }
-
-
-    fmt =
-     "<iq type='set' id='reg2'>"
-         "<query xmlns='jabber:iq:register'>"
-         "<username>%s</username>"
-         "<password>%s</password>"
-         "<email/><name/>"
-         "</query>"
-         "</iq>\n\n";
-    if (!write(fmt, toXml(username).c_str(),
-                    toXml(password).c_str() ))
-        return false;
-
-
-    recbuf = readStanza();
-    status("RECV reg: %s", recbuf.c_str());
-    elem = parser.parse(recbuf);
-    //elem->print();
-
-    std::vector<Element *> list = elem->findElements("error");
-    if (list.size()>0)
+    else if (errElem->findElements("forbidden").size()>0)
         {
-        Element *errElem = list[0];
-        DOMString code = errElem->getAttribute("code");
-        DOMString errMsg = "Registration error. ";
-        if (code == "409")
-            {
-            errMsg.append("conflict with existing user name");
-            }
-        if (code == "406")
-            {
-            errMsg.append("some registration information was not provided");
-            }
-        error((char *)errMsg.c_str());
-        delete elem;
-        return false;
+        errMsg.append("sender does not have sufficient permissions to cancel the registration");
+        }
+    else if (errElem->findElements("not-allowed").size()>0)
+        {
+        errMsg.append("not allowed to cancel registrations in-band");
+        }
+    else if (errElem->findElements("registration-required").size()>0)
+        {
+        errMsg.append("not previously registered");
+        }
+    else if (errElem->findElements("unexpected-request").size()>0)
+        {
+        errMsg.append(
+             "IQ set does not contain a 'from' address because "
+             "the entity is not registered with the server");
         }
 
     delete elem;
 
-    XmppEvent evt(XmppEvent::EVENT_REGISTRATION_CANCEL);
-    evt.setTo(username);
-    evt.setFrom(host);
-    dispatchXmppEvent(evt);
+    error((char *)errMsg.c_str());
 
-    return true;
+    return false;
 }