rename wprintf to wc_printf; wchar.h also has a wprintf
[citadel.git] / webcit / auth.c
index 553e9af30937a051a5f77075eae9e6ec86624078..fc0da9507a8253d1857fa0198e2e20c4c683b795 100644 (file)
@@ -6,6 +6,11 @@
 
 #include "webcit.h"
 #include "webserver.h"
+#include <ctype.h>
+
+extern uint32_t hashlittle( const void *key, size_t length, uint32_t initval);
+
+void display_reg(int during_login);
 
 /*
  * Access level definitions.  This is initialized from a function rather than a
@@ -25,77 +30,16 @@ void initialize_axdefs(void) {
 
 
 
-
 /* 
  * Display the login screen
  * mesg = the error message if last attempt failed.
  */
-void display_login(char *mesg)
+void display_login(void)
 {
-       char buf[SIZ];
-
-       output_headers(1, 1, 2, 0, 0, 0);
-       wprintf("<div id=\"login_screen\">\n");
-
-       if (mesg != NULL) if (!IsEmptyStr(mesg)) {
-                       stresc(buf, SIZ,  mesg, 0, 0);
-                       svprintf(HKEY("MESG"), WCS_STRING, "%s", buf);
-       }
-
-       svprintf(HKEY("LOGIN_INSTRUCTIONS"), WCS_STRING,
-               _("<ul>"
-               "<li><b>If you already have an account on %s</b>, "
-               "enter your user name and password and click &quot;Login.&quot; "
-               "<li><b>If you are a new user</b>, enter the name and password "
-               "you wish to use, "
-               "and click &quot;New User.&quot; "
-               "<li>Please log off properly when finished. "
-               "<li>You must use a browser that supports <i>frames</i> and "
-               "<i>cookies</i>. "
-               "<li>Also keep in mind that if your browser is "
-               "configured to block pop-up windows, you will not be able "
-               "to receive any instant messages.<br />"
-               "</ul>"),
-               serv_info.serv_humannode
-       );
-
-       svput("USERNAME_BOX", WCS_STRING, _("User name:"));
-       svput("PASSWORD_BOX", WCS_STRING, _("Password:"));
-       svput("LANGUAGE_BOX", WCS_STRING, _("Language:"));
-       svput("LOGIN_BUTTON", WCS_STRING, _("Login"));
-       svput("NEWUSER_BUTTON", WCS_STRING, _("New User"));
-       svput("EXIT_BUTTON", WCS_STRING, _("Exit"));
-       svput("HELLO", WCS_SERVCMD, "MESG hello");
-       svprintf(HKEY("BOXTITLE"), WCS_STRING, _("%s - powered by <a href=\"http://www.citadel.org\">Citadel</a>"),
-               serv_info.serv_humannode);
-       svcallback("DO_LANGUAGE_BOX", offer_languages);
-       if (serv_info.serv_newuser_disabled) {
-               svput("NEWUSER_BUTTON_PRE", WCS_STRING, "<div style=\"display:none;\">");
-               svput("NEWUSER_BUTTON_POST", WCS_STRING, "</div>");
-       }
-       else {
-               svput("NEWUSER_BUTTON_PRE", WCS_STRING, "");
-               svput("NEWUSER_BUTTON_POST", WCS_STRING, "");
-       }
-
-       if (serv_info.serv_supports_openid) {
-               svprintf(HKEY("OFFER_OPENID_LOGIN"), WCS_STRING,
-                       "<div align=center>"
-                       "<a href=\"display_openid_login\">"
-                       "<img src=\"static/openid-small.gif\" border=0 valign=middle>"
-                       "%s</a>"
-                       "</div>"
-                       ,
-                       "Log in using OpenID"
-               );
-       }
-       else {
-               svput("OFFER_OPENID_LOGIN", WCS_STRING, "");
-       }
-
-       do_template("login");
-
-       wDumpContent(2);
+       begin_burst();
+       output_headers(1, 0, 0, 0, 1, 0);
+       do_template("login", NULL);
+       end_burst();
 }
 
 
@@ -107,53 +51,54 @@ void display_login(char *mesg)
  */
 void display_openid_login(char *mesg)
 {
-       char buf[SIZ];
+  begin_burst();
+  output_headers(1, 0, 0, 0, 1, 0);
+  do_template("openid_login", NULL);
+  end_burst();
+}
+
+
+void display_openid_name_request(const StrBuf *claimed_id, const StrBuf *username) 
+{
+       StrBuf *Buf = NULL;
 
        output_headers(1, 1, 2, 0, 0, 0);
-       wprintf("<div id=\"login_screen\">\n");
-
-       if (mesg != NULL) if (!IsEmptyStr(mesg)) {
-                       stresc(buf, SIZ,  mesg, 0, 0);
-                       svprintf(HKEY("MESG"), WCS_STRING, "%s", buf);
-       }
-
-       svprintf(HKEY("LOGIN_INSTRUCTIONS"), WCS_STRING,
-               _("<ul>"
-               "<li>Enter your OpenID URL and click &quot;Login&quot;."
-               "<li>Please log off properly when finished. "
-               "<li>You must use a browser that supports <i>frames</i> and "
-               "<i>cookies</i>. "
-               "<li>Also keep in mind that if your browser is "
-               "configured to block pop-up windows, you will not be able "
-               "to receive any instant messages.<br />"
-               "</ul>")
-       );
+       wc_printf("<div id=\"login_screen\">\n");
+
+       Buf = NewStrBufPlain(NULL, StrLength(claimed_id));
+       StrEscAppend(Buf, claimed_id, NULL, 0, 0);
+       svprintf(HKEY("VERIFIED"), WCS_STRING, _("Your OpenID <tt>%s</tt> was successfully verified."),
+                ChrPtr(Buf));
+       SVPutBuf("CLAIMED_ID", Buf, 0);
+
+
+       if (StrLength(username) > 0) {
+                       Buf = NewStrBufPlain(NULL, StrLength(username));
+                       StrEscAppend(Buf, username, NULL, 0, 0);
+                       svprintf(HKEY("REASON"), WCS_STRING,
+                                _("However, the user name '%s' conflicts with an existing user."), 
+                                ChrPtr(Buf));
+                       FreeStrBuf(&Buf);
+       }
+       else {
+               svput("REASON", WCS_STRING, "");
+       }
+
+       svput("ACTION_REQUESTED", WCS_STRING, _("Please specify the user name you would like to use."));
 
-       svput("OPENID_BOX", WCS_STRING, _("OpenID URL:"));
-       svput("LANGUAGE_BOX", WCS_STRING, _("Language:"));
-       svput("LOGIN_BUTTON", WCS_STRING, _("Login"));
+       svput("USERNAME_BOX", WCS_STRING, _("User name:"));
+       svput("NEWUSER_BUTTON", WCS_STRING, _("New User"));
        svput("EXIT_BUTTON", WCS_STRING, _("Exit"));
-       svput("HELLO", WCS_SERVCMD, "MESG hello");
+
        svprintf(HKEY("BOXTITLE"), WCS_STRING, _("%s - powered by <a href=\"http://www.citadel.org\">Citadel</a>"),
-               serv_info.serv_humannode);
-       svcallback("DO_LANGUAGE_BOX", offer_languages);
-
-       svprintf(HKEY("OFFER_CONVENTIONAL_LOGIN"), WCS_STRING,
-               "<div align=center>"
-               "<a href=\"display_login\">"
-               "%s</a>"
-               "</div>"
-               ,
-               "Log in using a user name and password"
-       );
+                ChrPtr(WC->serv_info->serv_humannode));
 
-       do_template("openid_login");
+       do_template("openid_manual_create", NULL);
        wDumpContent(2);
 }
 
 
 
-
 /* Initialize the session
  *
  * This function needs to get called whenever the session changes from
@@ -166,34 +111,57 @@ void display_openid_login(char *mesg)
  * pass                        his password
  * serv_response       The parameters returned from a Citadel USER or NEWU command
  */
-void become_logged_in(char *user, char *pass, char *serv_response)
+void become_logged_in(const StrBuf *user, const StrBuf *pass, StrBuf *serv_response)
 {
-       char buf[SIZ];
+       wcsession *WCC = WC;
+       StrBuf *Buf;
+       StrBuf *FloorDiv;
+
+       WCC->logged_in = 1;
 
-       WC->logged_in = 1;
-       extract_token(WC->wc_fullname, &serv_response[4], 0, '|', sizeof WC->wc_fullname);
-       safestrncpy(WC->wc_username, user, sizeof WC->wc_username);
-       safestrncpy(WC->wc_password, pass, sizeof WC->wc_password);
-       WC->axlevel = extract_int(&serv_response[4], 1);
-       if (WC->axlevel >= 6) {
-               WC->is_aide = 1;
+       if (WCC->wc_fullname == NULL)
+               WCC->wc_fullname = NewStrBufPlain(NULL, StrLength(serv_response));
+       StrBufExtract_token(WCC->wc_fullname, serv_response, 0, '|');
+       StrBufCutLeft(WCC->wc_fullname, 4 );
+       
+       if (WCC->wc_username == NULL)
+               WCC->wc_username = NewStrBufDup(user);
+       else {
+               FlushStrBuf(WCC->wc_username);
+               StrBufAppendBuf(WCC->wc_username, user, 0);
        }
 
-       load_preferences();
+       if (WCC->wc_password == NULL)
+               WCC->wc_password = NewStrBufDup(pass);
+       else {
+               FlushStrBuf(WCC->wc_password);
+               StrBufAppendBuf(WCC->wc_password, pass, 0);
+       }
 
-       serv_puts("CHEK");
-       serv_getln(buf, sizeof buf);
-       if (buf[0] == '2') {
-               WC->new_mail = extract_int(&buf[4], 0);
-               WC->need_regi = extract_int(&buf[4], 1);
-               WC->need_vali = extract_int(&buf[4], 2);
-               extract_token(WC->cs_inet_email, &buf[4], 3, '|', sizeof WC->cs_inet_email);
+       WCC->axlevel = StrBufExtract_int(serv_response, 1, '|');
+       if (WCC->axlevel >= 6) { /* TODO: make this a define, else it might trick us later */
+               WCC->is_aide = 1;
        }
 
-       get_preference("current_iconbar", buf, sizeof buf);
-       WC->current_iconbar = atoi(buf);
+       load_preferences();
 
-       get_preference("floordiv_expanded", WC->floordiv_expanded, sizeof WC->floordiv_expanded);
+       Buf = NewStrBuf();
+       serv_puts("CHEK");
+       StrBuf_ServGetln(Buf);
+       if (GetServerStatus(Buf, NULL) == 2) {
+               const char *pch;
+
+               pch = ChrPtr(Buf) + 4;
+               WCC->new_mail  = StrBufExtractNext_long(Buf, &pch, '|');
+               WCC->need_regi = StrBufExtractNext_long(Buf, &pch, '|');
+               WCC->need_vali = StrBufExtractNext_long(Buf, &pch, '|');
+               if (WCC->cs_inet_email == NULL)
+                       WCC->cs_inet_email  = NewStrBuf();
+               StrBufExtract_NextToken(WCC->cs_inet_email, Buf, &pch, '|');
+       }
+       get_preference("floordiv_expanded", &FloorDiv);
+       WCC->floordiv_expanded = FloorDiv;
+       FreeStrBuf(&Buf);
 }
 
 
@@ -202,7 +170,8 @@ void become_logged_in(char *user, char *pass, char *serv_response)
  */
 void do_login(void)
 {
-       char buf[SIZ];
+       wcsession *WCC = WC;
+       StrBuf *Buf;
 
        if (havebstr("language")) {
                set_selected_language(bstr("language"));
@@ -213,40 +182,107 @@ void do_login(void)
                do_logout();
                return;
        }
+       Buf = NewStrBuf();
        if (havebstr("login_action")) {
                serv_printf("USER %s", bstr("name"));
-               serv_getln(buf, sizeof buf);
-               if (buf[0] == '3') {
+               StrBuf_ServGetln(Buf);
+               if (GetServerStatus(Buf, NULL) == 3) {
                        serv_printf("PASS %s", bstr("pass"));
-                       serv_getln(buf, sizeof buf);
-                       if (buf[0] == '2') {
-                               become_logged_in(bstr("name"),
-                                                bstr("pass"), buf);
+                       StrBuf_ServGetln(Buf);
+                       if (GetServerStatus(Buf, NULL) == 2) {
+                               become_logged_in(sbstr("name"), sbstr("pass"), Buf);
                        } else {
-                               display_login(&buf[4]);
+                               snprintf(WCC->ImportantMessage, 
+                                        sizeof (WCC->ImportantMessage), 
+                                        "%s", 
+                                        &(ChrPtr(Buf))[4]);
+                               display_login();
+                               FreeStrBuf(&Buf);
                                return;
                        }
                } else {
-                       display_login(&buf[4]);
+                       snprintf(WCC->ImportantMessage, 
+                                sizeof (WCC->ImportantMessage), 
+                                "%s", 
+                                &(ChrPtr(Buf))[4]);
+                       display_login();
+                       FreeStrBuf(&Buf);
                        return;
                }
        }
        if (havebstr("newuser_action")) {
                if (!havebstr("pass")) {
-                       display_login(_("Blank passwords are not allowed."));
+                       snprintf(WCC->ImportantMessage, 
+                                sizeof (WCC->ImportantMessage), 
+                                "%s", 
+                                _("Blank passwords are not allowed."));
+                       display_login();
+                       FreeStrBuf(&Buf);
                        return;
                }
                serv_printf("NEWU %s", bstr("name"));
-               serv_getln(buf, sizeof buf);
-               if (buf[0] == '2') {
-                       become_logged_in(bstr("name"), bstr("pass"), buf);
+               StrBuf_ServGetln(Buf);
+               if (GetServerStatus(Buf, NULL) == 2) {
+                       become_logged_in(sbstr("name"), sbstr("pass"), Buf);
                        serv_printf("SETP %s", bstr("pass"));
-                       serv_getln(buf, sizeof buf);
+                       StrBuf_ServGetln(Buf); /* Don't care? */
                } else {
-                       display_login(&buf[4]);
+                       snprintf(WCC->ImportantMessage, 
+                                sizeof (WCC->ImportantMessage), 
+                                "%s", 
+                                &(ChrPtr(Buf))[4]);
+                       display_login();
+                       FreeStrBuf(&Buf);
                        return;
                }
        }
+       if (WCC->logged_in) {
+               if (WCC->need_regi) {
+                       display_reg(1);
+               } else if (WCC->need_vali) {
+                       validate();
+               } else {
+                       do_welcome();
+               }
+       } else {
+               snprintf(WCC->ImportantMessage, 
+                        sizeof (WCC->ImportantMessage), 
+                        "%s", 
+                        _("Your password was not accepted."));
+               display_login();
+       }
+       FreeStrBuf(&Buf);
+}
+
+/* 
+ * Try to create an account manually after an OpenID was verified
+ */
+void openid_manual_create(void)
+{
+       StrBuf *Buf;
+
+       if (havebstr("exit_action")) {
+               do_logout();
+               return;
+       }
+
+       if (havebstr("newuser_action")) {
+               Buf = NewStrBuf();
+               serv_printf("OIDC %s", bstr("name"));
+               StrBuf_ServGetln(Buf);
+               if (GetServerStatus(Buf, NULL) == 2) {
+                       StrBuf *gpass;
+
+                       gpass = NewStrBuf();
+                       serv_puts("SETP GENERATE_RANDOM_PASSWORD");
+                       StrBuf_ServGetln(gpass);
+                       StrBufCutLeft(gpass, 4);
+                       become_logged_in(sbstr("name"), gpass, Buf);
+                       FreeStrBuf(&gpass);
+               }
+               FreeStrBuf(&Buf);
+       }
+
        if (WC->logged_in) {
                if (WC->need_regi) {
                        display_reg(1);
@@ -256,7 +292,7 @@ void do_login(void)
                        do_welcome();
                }
        } else {
-               display_login(_("Your password was not accepted."));
+               display_openid_name_request(sbstr("openid_url"), sbstr("name"));
        }
 
 }
@@ -268,6 +304,7 @@ void do_login(void)
  */
 void do_openid_login(void)
 {
+       wcsession *WCC = WC;
        char buf[4096];
 
        if (havebstr("language")) {
@@ -283,8 +320,8 @@ void do_openid_login(void)
                snprintf(buf, sizeof buf,
                        "OIDS %s|%s://%s/finalize_openid_login|%s://%s",
                        bstr("openid_url"),
-                       (is_https ? "https" : "http"), WC->http_host,
-                       (is_https ? "https" : "http"), WC->http_host
+                        (is_https ? "https" : "http"), ChrPtr(WCC->Hdr->HR.http_host),
+                        (is_https ? "https" : "http"), ChrPtr(WCC->Hdr->HR.http_host)
                );
 
                serv_puts(buf);
@@ -310,73 +347,93 @@ void do_openid_login(void)
  */
 void finalize_openid_login(void)
 {
-       char buf[1024];
-       struct wcsession *WCC = WC;
+       StrBuf *Buf;
+       wcsession *WCC = WC;
        int already_logged_in = (WCC->logged_in) ;
        int linecount = 0;
-       char result[128] = "";
-       char username[128] = "";
-       char password[128] = "";
-       char logged_in_response[1024] = "";
+       StrBuf *result = NULL;
+       StrBuf *username = NULL;
+       StrBuf *password = NULL;
+       StrBuf *logged_in_response = NULL;
+       StrBuf *claimed_id = NULL;
 
        if (havebstr("openid.mode")) {
                if (!strcasecmp(bstr("openid.mode"), "id_res")) {
-
+                       Buf = NewStrBuf();
                        serv_puts("OIDF");
-                       serv_getln(buf, sizeof buf);
-
-                       if (buf[0] == '8') {
+                       StrBuf_ServGetln(Buf);
+                       if (GetServerStatus(Buf, NULL) == 8) {
                                urlcontent *u;
                                void *U;
                                long HKLen;
-                               char *HKey;
+                               const char *HKey;
                                HashPos *Cursor;
                                
-                               Cursor = GetNewHashPos ();
-                               while (GetNextHashPos(WCC->urlstrings, Cursor, &HKLen, &HKey, &U)) {
+                               Cursor = GetNewHashPos (WCC->Hdr->urlstrings, 0);
+                               while (GetNextHashPos(WCC->Hdr->urlstrings, Cursor, &HKLen, &HKey, &U)) {
                                        u = (urlcontent*) U;
                                        if (!strncasecmp(u->url_key, "openid.", 7)) {
-                                               serv_printf("%s|%s", &u->url_key[7], u->url_data);
+                                               serv_printf("%s|%s", &u->url_key[7], ChrPtr(u->url_data));
                                        }
                                }
 
                                serv_puts("000");
 
                                linecount = 0;
-                               while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
-                                       if (linecount == 0) safestrncpy(result, buf, sizeof result);
-                                       if (!strcasecmp(result, "authenticate")) {
+                               while (StrBuf_ServGetln(Buf), strcmp(ChrPtr(Buf), "000")) 
+                               {
+                                       if (linecount == 0) result = NewStrBufDup(Buf);
+                                       if (!strcasecmp(ChrPtr(result), "authenticate")) {
                                                if (linecount == 1) {
-                                                       safestrncpy(username, buf, sizeof username);
+                                                       username = NewStrBufDup(Buf);
                                                }
                                                else if (linecount == 2) {
-                                                       safestrncpy(password, buf, sizeof password);
+                                                       password = NewStrBufDup(Buf);
                                                }
-                                               else if (linecount == 2) {
-                                                       safestrncpy(logged_in_response, buf,
-                                                               sizeof logged_in_response);
+                                               else if (linecount == 3) {
+                                                       logged_in_response = NewStrBufDup(Buf);
+                                               }
+                                       }
+                                       else if (!strcasecmp(ChrPtr(result), "verify_only")) {
+                                               if (linecount == 1) {
+                                                       claimed_id = NewStrBufDup(Buf);
+                                               }
+                                               if (linecount == 2) {
+                                                       username = NewStrBufDup(Buf);
                                                }
                                        }
                                        ++linecount;
                                }
                        }
+                       FreeStrBuf(&Buf);
                }
        }
 
        /* If we were already logged in, this was an attempt to associate an OpenID account */
        if (already_logged_in) {
                display_openids();
+               FreeStrBuf(&result);
+               FreeStrBuf(&username);
+               FreeStrBuf(&password);
+               FreeStrBuf(&claimed_id);
+               FreeStrBuf(&logged_in_response);
                return;
        }
 
        /* If this operation logged us in, either by connecting with an existing account or by
         * auto-creating one using Simple Registration Extension, we're already on our way.
         */
-       if (!strcasecmp(result, "authenticate")) {
+       if (!strcasecmp(ChrPtr(result), "authenticate")) {
                become_logged_in(username, password, logged_in_response);
        }
 
-       /* FIXME -- right here we have to put the code to log in a new user */
+       /* The specified OpenID was verified but the desired user name was either not specified via SRI
+        * or conflicts with an existing user.  Either way the user will need to specify a new name.
+        */
+
+       else if (!strcasecmp(ChrPtr(result), "verify_only")) {
+               display_openid_name_request(claimed_id, username);
+       }
 
        /* Did we manage to log in?  If so, continue with the normal flow... */
        if (WC->logged_in) {
@@ -389,6 +446,11 @@ void finalize_openid_login(void)
                display_openid_login(_("Your password was not accepted."));
        }
 
+       FreeStrBuf(&result);
+       FreeStrBuf(&username);
+       FreeStrBuf(&password);
+       FreeStrBuf(&claimed_id);
+       FreeStrBuf(&logged_in_response);
 }
 
 
@@ -400,7 +462,7 @@ void finalize_openid_login(void)
  */
 void do_welcome(void)
 {
-       char buf[SIZ];
+       StrBuf *Buf;
 #ifdef XXX_NOT_FINISHED_YET_XXX
        FILE *fp;
        int i;
@@ -442,15 +504,19 @@ void do_welcome(void)
        /*
         * Go to the user's preferred start page
         */
-       get_preference("startpage", buf, sizeof buf);
-       if (IsEmptyStr(buf)) {
-               safestrncpy(buf, "dotskip&room=_BASEROOM_", sizeof buf);
-               set_preference("startpage", buf, 1);
+       if (!get_preference("startpage", &Buf)) {
+               Buf = NewStrBuf ();
+               StrBufPrintf(Buf, "dotskip?room=_BASEROOM_");
+               set_preference("startpage", Buf, 1);
        }
-       if (buf[0] == '/') {
-               strcpy(buf, &buf[1]);
+       if (ChrPtr(Buf)[0] == '/') {
+               StrBufCutLeft(Buf, 1);
        }
-       http_redirect(buf);
+       if (StrLength(Buf) == 0) {
+               StrBufAppendBufPlain(Buf, "dotgoto?room=_BASEROOM_", -1, 0);
+       }
+       lprintf(9, "Redirecting to user's start page: %s\n", ChrPtr(Buf));
+       http_redirect(ChrPtr(Buf));
 }
 
 
@@ -458,14 +524,7 @@ void do_welcome(void)
  * Disconnect from the Citadel server, and end this WebCit session
  */
 void end_webcit_session(void) {
-       char buf[256];
-
-       if (WC->logged_in) {
-               sprintf(buf, "%d", WC->current_iconbar);
-               set_preference("current_iconbar", buf, 0);
-               set_preference("floordiv_expanded", WC->floordiv_expanded, 1);
-       }
-
+       
        serv_puts("QUIT");
        WC->killthis = 1;
        /* close() of citadel socket will be done by do_housekeeping() */
@@ -476,48 +535,61 @@ void end_webcit_session(void) {
  */
 void do_logout(void)
 {
+       wcsession *WCC = WC;
        char buf[SIZ];
 
-       safestrncpy(WC->wc_username, "", sizeof WC->wc_username);
-       safestrncpy(WC->wc_password, "", sizeof WC->wc_password);
-       safestrncpy(WC->wc_roomname, "", sizeof WC->wc_roomname);
-       safestrncpy(WC->wc_fullname, "", sizeof WC->wc_fullname);
+       FlushStrBuf(WCC->wc_username);
+       FlushStrBuf(WCC->wc_password);
+       FlushStrBuf(WCC->wc_roomname);
+       FlushStrBuf(WCC->wc_fullname);
 
+       /* FIXME: this is to suppress the iconbar displaying, because we aren't
+          actually logged out yet */
+       WCC->logged_in = 0;
+       
        /** Calling output_headers() this way causes the cookies to be un-set */
        output_headers(1, 1, 0, 1, 0, 0);
 
-       wprintf("<div id=\"logout_screen\">");
-        wprintf("<div class=\"box\">");
-        wprintf("<div class=\"boxlabel\">");
-       wprintf(_("Log off"));
-        wprintf("</div><div class=\"boxcontent\">");   
+       wc_printf("<div id=\"logout_screen\">");
+        wc_printf("<div class=\"box\">");
+        wc_printf("<div class=\"boxlabel\">");
+       wc_printf(_("Log off"));
+        wc_printf("</div><div class=\"boxcontent\">"); 
        serv_puts("MESG goodbye");
        serv_getln(buf, sizeof buf);
 
-       if (WC->serv_sock >= 0) {
+       if (WCC->serv_sock >= 0) {
                if (buf[0] == '1') {
                        fmout("CENTER");
                } else {
-                       wprintf("Goodbye\n");
+                       wc_printf("Goodbye\n");
                }
        }
        else {
-               wprintf(_("This program was unable to connect or stay "
+               wc_printf(_("This program was unable to connect or stay "
                        "connected to the Citadel server.  Please report "
                        "this problem to your system administrator.")
                );
-               wprintf("<a href=\"http://www.citadel.org/doku.php/"
+               wc_printf("<a href=\"http://www.citadel.org/doku.php/"
                        "faq:mastering_your_os:net#netstat\">%s</a>", 
                        _("Read More..."));
        }
 
-       wprintf("<hr /><div class=\"buttons\"> "
+       wc_printf("<hr /><div class=\"buttons\"> "
                "<span class=\"button_link\"><a href=\".\">");
-       wprintf(_("Log in again"));
-       wprintf("</a></span>&nbsp;&nbsp;&nbsp;<span class=\"button_link\">"
+       wc_printf(_("Log in again"));
+       wc_printf("</a></span>");
+
+       /* The "close window" link is commented out because some browsers don't
+        * allow it to work.
+        *
+       wc_printf("&nbsp;&nbsp;&nbsp;<span class=\"button_link\">"
                "<a href=\"javascript:window.close();\">");
-       wprintf(_("Close window"));
-       wprintf("</a></span></div></div></div></div>\n");
+       wc_printf(_("Close window"));
+       wc_printf("</a></span>");
+        */
+
+       wc_printf("</div></div></div></div>\n");
        wDumpContent(2);
        end_webcit_session();
 }
@@ -534,13 +606,13 @@ void validate(void)
        int a;
 
        output_headers(1, 1, 2, 0, 0, 0);
-       wprintf("<div id=\"banner\">\n");
-       wprintf("<h1>");
-       wprintf(_("Validate new users"));
-       wprintf("</h1>");
-       wprintf("</div>\n");
+       wc_printf("<div id=\"banner\">\n");
+       wc_printf("<h1>");
+       wc_printf(_("Validate new users"));
+       wc_printf("</h1>");
+       wc_printf("</div>\n");
 
-       wprintf("<div id=\"content\" class=\"service\">\n");
+       wc_printf("<div id=\"content\" class=\"service\">\n");
 
        /* If the user just submitted a validation, process it... */
        safestrncpy(buf, bstr("user"), sizeof buf);
@@ -549,7 +621,7 @@ void validate(void)
                        serv_printf("VALI %s|%s", buf, bstr("axlevel"));
                        serv_getln(buf, sizeof buf);
                        if (buf[0] != '2') {
-                               wprintf("<b>%s</b><br />\n", &buf[4]);
+                               wc_printf("<b>%s</b><br>\n", &buf[4]);
                        }
                }
        }
@@ -558,21 +630,21 @@ void validate(void)
        serv_puts("GNUR");
        serv_getln(buf, sizeof buf);
        if (buf[0] == '2') {
-               wprintf("<b>");
-               wprintf(_("No users require validation at this time."));
-               wprintf("</b><br />\n");
+               wc_printf("<b>");
+               wc_printf(_("No users require validation at this time."));
+               wc_printf("</b><br>\n");
                wDumpContent(1);
                return;
        }
        if (buf[0] != '3') {
-               wprintf("<b>%s</b><br />\n", &buf[4]);
+               wc_printf("<b>%s</b><br>\n", &buf[4]);
                wDumpContent(1);
                return;
        }
 
-       wprintf("<div class=\"fix_scrollbar_bug\">"
+       wc_printf("<div class=\"fix_scrollbar_bug\">"
                "<table class=\"auth_validate\"><tr><td>\n");
-       wprintf("<center>");
+       wc_printf("<div id=\"validate\">");
 
        safestrncpy(user, &buf[4], sizeof user);
        serv_printf("GREG %s", user);
@@ -583,43 +655,78 @@ void validate(void)
                        serv_getln(buf, sizeof buf);
                        ++a;
                        if (a == 1)
-                               wprintf("#%s<br /><H1>%s</H1>",
+                               wc_printf("#%s<br><H1>%s</H1>",
                                        buf, &cmd[4]);
-                       if (a == 2)
-                               wprintf("PW: %s<br />\n", buf);
+                       if (a == 2) {
+                               char *pch;
+                               int haveChar = 0;
+                               int haveNum = 0;
+                               int haveOther = 0;
+                               int count = 0;
+                               pch = buf;
+                               while (!IsEmptyStr(pch))
+                               {
+                                       if (isdigit(*pch))
+                                               haveNum = 1;
+                                       else if (isalpha(*pch))
+                                               haveChar = 1;
+                                       else
+                                               haveOther = 1;
+                                       pch ++;
+                               }
+                               count = pch - buf;
+                               if (count > 7)
+                                       count = 0;
+                               switch (count){
+                               case 0:
+                                       pch = _("very weak");
+                                       break;
+                               case 1:
+                                       pch = _("weak");
+                                       break;
+                               case 2:
+                                       pch = _("ok");
+                                       break;
+                               case 3:
+                               default:
+                                       pch = _("strong");
+                               }
+
+                               wc_printf("PW: %s<br>\n", pch);
+                       }
                        if (a == 3)
-                               wprintf("%s<br />\n", buf);
+                               wc_printf("%s<br>\n", buf);
                        if (a == 4)
-                               wprintf("%s<br />\n", buf);
+                               wc_printf("%s<br>\n", buf);
                        if (a == 5)
-                               wprintf("%s, ", buf);
+                               wc_printf("%s, ", buf);
                        if (a == 6)
-                               wprintf("%s ", buf);
+                               wc_printf("%s ", buf);
                        if (a == 7)
-                               wprintf("%s<br />\n", buf);
+                               wc_printf("%s<br>\n", buf);
                        if (a == 8)
-                               wprintf("%s<br />\n", buf);
+                               wc_printf("%s<br>\n", buf);
                        if (a == 9)
-                               wprintf(_("Current access level: %d (%s)\n"),
+                               wc_printf(_("Current access level: %d (%s)\n"),
                                        atoi(buf), axdefs[atoi(buf)]);
                } while (strcmp(buf, "000"));
        } else {
-               wprintf("<H1>%s</H1>%s<br />\n", user, &cmd[4]);
+               wc_printf("<H1>%s</H1>%s<br />\n", user, &cmd[4]);
        }
 
-       wprintf("<hr />");
-       wprintf(_("Select access level for this user:"));
-       wprintf("<br />\n");
+       wc_printf("<hr />");
+       wc_printf(_("Select access level for this user:"));
+       wc_printf("<br />\n");
        for (a = 0; a <= 6; ++a) {
-               wprintf("<a href=\"validate?nonce=%ld?user=", WC->nonce);
+               wc_printf("<a href=\"validate?nonce=%d?user=", WC->nonce);
                urlescputs(user);
-               wprintf("&axlevel=%d\">%s</A>&nbsp;&nbsp;&nbsp;\n",
+               wc_printf("&axlevel=%d\">%s</A>&nbsp;&nbsp;&nbsp;\n",
                        a, axdefs[a]);
        }
-       wprintf("<br />\n");
+       wc_printf("<br />\n");
 
-       wprintf("</CENTER>\n");
-       wprintf("</td></tr></table></div>\n");
+       wc_printf("</div>\n");
+       wc_printf("</td></tr></table></div>\n");
        wDumpContent(1);
 }
 
@@ -633,28 +740,49 @@ void validate(void)
  */
 void display_reg(int during_login)
 {
+       StrBuf *Buf;
+       message_summary *VCMsg = NULL;
+       wc_mime_attachment *VCAtt = NULL;
        long vcard_msgnum;
 
-       if (goto_config_room() != 0) {
-               if (during_login) do_welcome();
-               else display_main_menu();
+       Buf = NewStrBuf();
+       if (goto_config_room(Buf) != 0) {
+               lprintf(9, "display_reg() exiting because goto_config_room() failed\n");
+               if (during_login) {
+                       do_welcome();
+               }
+               else {
+                       display_main_menu();
+               }
+               FreeStrBuf(&Buf);
                return;
        }
 
-       vcard_msgnum = locate_user_vcard(WC->wc_fullname, -1);
+       FreeStrBuf(&Buf);
+       vcard_msgnum = locate_user_vcard_in_this_room(&VCMsg, &VCAtt);
        if (vcard_msgnum < 0L) {
-               if (during_login) do_welcome();
-               else display_main_menu();
+               lprintf(9, "display_reg() exiting because locate_user_vcard_in_this_room() failed\n");
+               if (during_login) {
+                       do_welcome();
+               }
+               else {
+                       display_main_menu();
+               }
                return;
        }
 
        if (during_login) {
-               do_edit_vcard(vcard_msgnum, "1", "do_welcome", USERCONFIGROOM);
+               do_edit_vcard(vcard_msgnum, "1", VCMsg, VCAtt, "do_welcome", USERCONFIGROOM);
        }
        else {
-               do_edit_vcard(vcard_msgnum, "1", "display_main_menu", USERCONFIGROOM);
+               StrBuf *ReturnTo;
+               ReturnTo = NewStrBufPlain(HKEY("display_main_menu?gotofirst="));
+               StrBufAppendBuf(ReturnTo, WC->wc_roomname, 0);
+               do_edit_vcard(vcard_msgnum, "1", VCMsg, VCAtt, ChrPtr(ReturnTo), USERCONFIGROOM);
+               FreeStrBuf(&ReturnTo);
        }
 
+       /* FIXME - don't we have to free VCMsg and VCAtt ?? */
 }
 
 
@@ -665,15 +793,21 @@ void display_reg(int during_login)
  */
 void display_changepw(void)
 {
+       WCTemplputParams SubTP;
        char buf[SIZ];
-
+       StrBuf *Buf;
        output_headers(1, 1, 1, 0, 0, 0);
 
-       svput("BOXTITLE", WCS_STRING, _("Change your password"));
-       do_template("beginbox");
+       Buf = NewStrBufPlain(_("Change your password"), -1);
+       memset(&SubTP, 0, sizeof(WCTemplputParams));
+       SubTP.Filter.ContextType = CTX_STRBUF;
+       SubTP.Context = Buf;
+       DoTemplate(HKEY("beginbox"), NULL, &SubTP);
+
+       FreeStrBuf(&Buf);
 
        if (!IsEmptyStr(WC->ImportantMessage)) {
-               wprintf("<span class=\"errormsg\">"
+               wc_printf("<span class=\"errormsg\">"
                        "%s</span><br />\n", WC->ImportantMessage);
                safestrncpy(WC->ImportantMessage, "", sizeof WC->ImportantMessage);
        }
@@ -684,27 +818,27 @@ void display_changepw(void)
                fmout("CENTER");
        }
 
-       wprintf("<form name=\"changepwform\" action=\"changepw\" method=\"post\">\n");
-       wprintf("<input type=\"hidden\" name=\"nonce\" value=\"%ld\">\n", WC->nonce);
-       wprintf("<table class=\"altern\" ");
-       wprintf("<tr class=\"even\"><td>");
-       wprintf(_("Enter new password:"));
-       wprintf("</td><td>");
-       wprintf("<input type=\"password\" name=\"newpass1\" value=\"\" maxlength=\"20\"></td></tr>\n");
-       wprintf("<tr class=\"odd\"><td>");
-       wprintf(_("Enter it again to confirm:"));
-       wprintf("</td><td>");
-       wprintf("<input type=\"password\" name=\"newpass2\" value=\"\" maxlength=\"20\"></td></tr>\n");
-       wprintf("</table>\n");
-
-       wprintf("<div class=\"buttons\">\n");
-       wprintf("<input type=\"submit\" name=\"change_action\" value=\"%s\">", _("Change password"));
-       wprintf("&nbsp;");
-       wprintf("<input type=\"submit\" name=\"cancel_action\" value=\"%s\">\n", _("Cancel"));
-       wprintf("</div>\n");
-       wprintf("</form>\n");
-
-       do_template("endbox");
+       wc_printf("<form name=\"changepwform\" action=\"changepw\" method=\"post\">\n");
+       wc_printf("<input type=\"hidden\" name=\"nonce\" value=\"%d\">\n", WC->nonce);
+       wc_printf("<table class=\"altern\" ");
+       wc_printf("<tr class=\"even\"><td>");
+       wc_printf(_("Enter new password:"));
+       wc_printf("</td><td>");
+       wc_printf("<input type=\"password\" name=\"newpass1\" value=\"\" maxlength=\"20\"></td></tr>\n");
+       wc_printf("<tr class=\"odd\"><td>");
+       wc_printf(_("Enter it again to confirm:"));
+       wc_printf("</td><td>");
+       wc_printf("<input type=\"password\" name=\"newpass2\" value=\"\" maxlength=\"20\"></td></tr>\n");
+       wc_printf("</table>\n");
+
+       wc_printf("<div class=\"buttons\">\n");
+       wc_printf("<input type=\"submit\" name=\"change_action\" value=\"%s\">", _("Change password"));
+       wc_printf("&nbsp;");
+       wc_printf("<input type=\"submit\" name=\"cancel_action\" value=\"%s\">\n", _("Cancel"));
+       wc_printf("</div>\n");
+       wc_printf("</form>\n");
+
+       do_template("endbox", NULL);
        wDumpContent(1);
 }
 
@@ -748,7 +882,12 @@ void changepw(void)
        serv_getln(buf, sizeof buf);
        sprintf(WC->ImportantMessage, "%s", &buf[4]);
        if (buf[0] == '2') {
-               safestrncpy(WC->wc_password, buf, sizeof WC->wc_password);
+               if (WC->wc_password == NULL)
+                       WC->wc_password = NewStrBufPlain(buf, -1);
+               else {
+                       FlushStrBuf(WC->wc_password);
+                       StrBufAppendBufPlain(WC->wc_password,  buf, -1, 0);
+               }
                display_main_menu();
        }
        else {
@@ -756,10 +895,178 @@ void changepw(void)
        }
 }
 
+int ConditionalAide(StrBuf *Target, WCTemplputParams *TP)
+{
+       wcsession *WCC = WC;
+       return (WCC != NULL)? (WC->is_aide == 0) : 0;
+}
 
+int ConditionalRoomAide(StrBuf *Target, WCTemplputParams *TP)
+{
+       wcsession *WCC = WC;
+       return (WCC != NULL)? (WCC->is_room_aide == 0) : 0;
+}
 
-void InitModule_AUTH(void)
+
+int ConditionalIsLoggedIn(StrBuf *Target, WCTemplputParams *TP) 
+{
+       wcsession *WCC = WC;
+       return (WCC != NULL)? (WCC->logged_in == 0) : 0;
+}
+
+
+int ConditionalRoomAcessDelete(StrBuf *Target, WCTemplputParams *TP)
 {
-       WebcitAddUrlHandler(HKEY("do_welcome"), do_welcome, 0);
+       wcsession *WCC = WC;
+       return (WCC != NULL)? ( (WCC->is_room_aide) || (WCC->is_mailbox) || (WCC->room_flags2 & QR2_COLLABDEL) ) : 0;
+}
+
+
+void _display_openid_login(void) {
+       display_openid_login(NULL);
+}
+
+
+void _display_reg(void) {
+       display_reg(0);
+}
+
+
+void Header_HandleAuth(StrBuf *Line, ParsedHttpHdrs *hdr)
+{
+       if (hdr->HR.got_auth == NO_AUTH) /* don't override cookie auth... */
+       {
+               if (strncasecmp(ChrPtr(Line), "Basic", 5) == 0) {
+                       StrBufCutLeft(Line, 6);
+                       StrBufDecodeBase64(Line);
+                       hdr->HR.plainauth = Line;
+                       hdr->HR.got_auth = AUTH_BASIC;
+               }
+               else 
+                       lprintf(1, "Authentication scheme not supported! [%s]\n", ChrPtr(Line));
+       }
+}
+
+void CheckAuthBasic(ParsedHttpHdrs *hdr)
+{
+/*
+  todo: enable this if we can have other sessions than authenticated ones.
+       if (hdr->DontNeedAuth)
+               return;
+*/
+       StrBufAppendBufPlain(hdr->HR.plainauth, HKEY(":"), 0);
+       StrBufAppendBuf(hdr->HR.plainauth, hdr->HR.user_agent, 0);
+       hdr->HR.SessionKey = hashlittle(SKEY(hdr->HR.plainauth), 89479832);
+/*
+       lprintf(1, "CheckAuthBasic: calculated sessionkey %ld\n", 
+               hdr->HR.SessionKey);
+*/
+}
+
+void GetAuthBasic(ParsedHttpHdrs *hdr)
+{
+       const char *Pos = NULL;
+       if (hdr->c_username == NULL)
+               hdr->c_username = NewStrBufPlain(HKEY(DEFAULT_HTTPAUTH_USER));
+       if (hdr->c_password == NULL)
+               hdr->c_password = NewStrBufPlain(HKEY(DEFAULT_HTTPAUTH_PASS));
+       StrBufExtract_NextToken(hdr->c_username, hdr->HR.plainauth, &Pos, ':');
+       StrBufExtract_NextToken(hdr->c_password, hdr->HR.plainauth, &Pos, ':');
+}
+
+void Header_HandleCookie(StrBuf *Line, ParsedHttpHdrs *hdr)
+{
+       const char *pch;
+/*
+  todo: enable this if we can have other sessions than authenticated ones.
+       if (hdr->DontNeedAuth)
+               return;
+*/
+       pch = strstr(ChrPtr(Line), "webcit=");
+       if (pch == NULL) {
+               return;
+       }
+
+       hdr->HR.RawCookie = Line;
+       StrBufCutLeft(hdr->HR.RawCookie, (pch - ChrPtr(hdr->HR.RawCookie)) + 7);
+       StrBufDecodeHex(hdr->HR.RawCookie);
+
+       cookie_to_stuff(Line, &hdr->HR.desired_session,
+                       hdr->c_username,
+                       hdr->c_password,
+                       hdr->c_roomname,
+                       hdr->c_language
+       );
+       hdr->HR.got_auth = AUTH_COOKIE;
+}
+
+void 
+HttpNewModule_AUTH
+(ParsedHttpHdrs *httpreq)
+{
+       httpreq->c_username = NewStrBufPlain(HKEY(DEFAULT_HTTPAUTH_USER));
+       httpreq->c_password = NewStrBufPlain(HKEY(DEFAULT_HTTPAUTH_PASS));
+       httpreq->c_roomname = NewStrBuf();
+       httpreq->c_language = NewStrBuf();
+}
+void 
+HttpDetachModule_AUTH
+(ParsedHttpHdrs *httpreq)
+{
+       FLUSHStrBuf(httpreq->c_username);
+       FLUSHStrBuf(httpreq->c_password);
+       FLUSHStrBuf(httpreq->c_roomname);
+       FLUSHStrBuf(httpreq->c_language);
+}
+
+void 
+HttpDestroyModule_AUTH
+(ParsedHttpHdrs *httpreq)
+{
+       FreeStrBuf(&httpreq->c_username);
+       FreeStrBuf(&httpreq->c_password);
+       FreeStrBuf(&httpreq->c_roomname);
+       FreeStrBuf(&httpreq->c_language);
+}
+
+void 
+InitModule_AUTH
+(void)
+{
+       RegisterHeaderHandler(HKEY("COOKIE"), Header_HandleCookie);
+       RegisterHeaderHandler(HKEY("AUTHORIZATION"), Header_HandleAuth);
+
+       WebcitAddUrlHandler(HKEY(""), "", 0, do_welcome, ANONYMOUS|COOKIEUNNEEDED); /* no url pattern at all? Show login. */
+       WebcitAddUrlHandler(HKEY("do_welcome"), "", 0, do_welcome, ANONYMOUS|COOKIEUNNEEDED);
+       WebcitAddUrlHandler(HKEY("login"), "", 0, do_login, ANONYMOUS|COOKIEUNNEEDED);
+       WebcitAddUrlHandler(HKEY("display_openid_login"), "", 0, _display_openid_login, ANONYMOUS);
+       WebcitAddUrlHandler(HKEY("openid_login"), "", 0, do_openid_login, ANONYMOUS);
+       WebcitAddUrlHandler(HKEY("finalize_openid_login"), "", 0, finalize_openid_login, ANONYMOUS);
+       WebcitAddUrlHandler(HKEY("openid_manual_create"), "", 0, openid_manual_create, ANONYMOUS);
+       WebcitAddUrlHandler(HKEY("do_logout"), "", 0, do_logout, ANONYMOUS|COOKIEUNNEEDED|FORCE_SESSIONCLOSE);
+       WebcitAddUrlHandler(HKEY("validate"), "", 0, validate, 0);
+       WebcitAddUrlHandler(HKEY("display_reg"), "", 0, _display_reg, 0);
+       WebcitAddUrlHandler(HKEY("display_changepw"), "", 0, display_changepw, 0);
+       WebcitAddUrlHandler(HKEY("changepw"), "", 0, changepw, 0);
+       WebcitAddUrlHandler(HKEY("termquit"), "", 0, do_logout, 0);
+
+       RegisterConditional(HKEY("COND:AIDE"), 2, ConditionalAide, CTX_NONE);
+       RegisterConditional(HKEY("COND:ROOMAIDE"), 2, ConditionalRoomAide, CTX_NONE);
+       RegisterConditional(HKEY("COND:ACCESS:DELETE"), 2, ConditionalRoomAcessDelete, CTX_NONE);
+       RegisterConditional(HKEY("COND:LOGGEDIN"), 2, ConditionalIsLoggedIn, CTX_NONE);
+
        return ;
 }
+
+
+void 
+SessionDestroyModule_AUTH
+(wcsession *sess)
+{
+       FreeStrBuf(&sess->wc_username);
+       FreeStrBuf(&sess->wc_fullname);
+       FreeStrBuf(&sess->wc_password);
+       FreeStrBuf(&sess->wc_roomname);
+       FreeStrBuf(&sess->httpauth_pass);
+       FreeStrBuf(&sess->cs_inet_email);
+}