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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html><head><title>Python: module ranger.container.keybuffer</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head><body bgcolor="#f0f0f8">

<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="heading">
<tr bgcolor="#7799ee">
<td valign=bottom>&nbsp;<br>
<font color="#ffffff" face="helvetica, arial">&nbsp;<br><big><big><strong><a href="ranger.html"><font color="#ffffff">ranger</font></a>.<a href="ranger.container.html"><font color="#ffffff">container</font></a>.keybuffer</strong></big></big></font></td
><td align=right valign=bottom
><font color="#ffffff" face="helvetica, arial"><a href=".">index</a><br><a href="file:/home/hut/work/ranger/ranger/container/keybuffer.py">/home/hut/work/ranger/ranger/container/keybuffer.py</a></font></td></tr></table>
    <p><tt>#&nbsp;Copyright&nbsp;(c)&nbsp;2009,&nbsp;2010&nbsp;hut&nbsp;&lt;hut@lavabit.com&gt;<br>
#<br>
#&nbsp;Permission&nbsp;to&nbsp;use,&nbsp;copy,&nbsp;modify,&nbsp;and/or&nbsp;distribute&nbsp;this&nbsp;software&nbsp;for&nbsp;any<br>
#&nbsp;purpose&nbsp;with&nbsp;or&nbsp;without&nbsp;fee&nbsp;is&nbsp;hereby&nbsp;granted,&nbsp;provided&nbsp;that&nbsp;the&nbsp;above<br>
#&nbsp;copyright&nbsp;notice&nbsp;and&nbsp;this&nbsp;permission&nbsp;notice&nbsp;appear&nbsp;in&nbsp;all&nbsp;copies.<br>
#<br>
#&nbsp;THE&nbsp;SOFTWARE&nbsp;IS&nbsp;PROVIDED&nbsp;"AS&nbsp;IS"&nbsp;AND&nbsp;THE&nbsp;AUTHOR&nbsp;DISCLAIMS&nbsp;ALL&nbsp;WARRANTIES<br>
#&nbsp;WITH&nbsp;REGARD&nbsp;TO&nbsp;THIS&nbsp;SOFTWARE&nbsp;INCLUDING&nbsp;ALL&nbsp;IMPLIED&nbsp;WARRANTIES&nbsp;OF<br>
#&nbsp;MERCHANTABILITY&nbsp;AND&nbsp;FITNESS.&nbsp;IN&nbsp;NO&nbsp;EVENT&nbsp;SHALL&nbsp;THE&nbsp;AUTHOR&nbsp;BE&nbsp;LIABLE&nbsp;FOR<br>
#&nbsp;ANY&nbsp;SPECIAL,&nbsp;DIRECT,&nbsp;INDIRECT,&nbsp;OR&nbsp;CONSEQUENTIAL&nbsp;DAMAGES&nbsp;OR&nbsp;ANY&nbsp;DAMAGES<br>
#&nbsp;WHATSOEVER&nbsp;RESULTING&nbsp;FROM&nbsp;LOSS&nbsp;OF&nbsp;USE,&nbsp;DATA&nbsp;OR&nbsp;PROFITS,&nbsp;WHETHER&nbsp;IN&nbsp;AN<br>
#&nbsp;ACTION&nbsp;OF&nbsp;CONTRACT,&nbsp;NEGLIGENCE&nbsp;OR&nbsp;OTHER&nbsp;TORTIOUS&nbsp;ACTION,&nbsp;ARISING&nbsp;OUT&nbsp;OF<br>
#&nbsp;OR&nbsp;IN&nbsp;CONNECTION&nbsp;WITH&nbsp;THE&nbsp;USE&nbsp;OR&nbsp;PERFORMANCE&nbsp;OF&nbsp;THIS&nbsp;SOFTWARE.</tt></p>
<p>
<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section">
<tr bgcolor="#ee77aa">
<td colspan=3 valign=bottom>&nbsp;<br>
<font color="#ffffff" face="helvetica, arial"><big><strong>Classes</strong></big></font></td></tr>
    
<tr><td bgcolor="#ee77aa"><tt>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</tt></td><td>&nbsp;</td>
<td width="100%"><dl>
<dt><font face="helvetica, arial"><a href="builtins.html#object">builtins.object</a>
</font></dt><dd>
<dl>
<dt><font face="helvetica, arial"><a href="ranger.container.keybuffer.html#KeyBuffer">KeyBuffer</a>
</font></dt></dl>
</dd>
</dl>
 <p>
<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section">
<tr bgcolor="#ffc8d8">
<td colspan=3 valign=bottom>&nbsp;<br>
<font color="#000000" face="helvetica, arial"><a name="KeyBuffer">class <strong>KeyBuffer</strong></a>(<a href="builtins.html#object">builtins.object</a>)</font></td></tr>
    
<tr><td bgcolor="#ffc8d8"><tt>&nbsp;&nbsp;&nbsp;</tt></td><td>&nbsp;</td>
<td width="100%">Methods defined here:<br>
<dl><dt><a name="KeyBuffer-__init__"><strong>__init__</strong></a>(self)</dt></dl>

<dl><dt><a name="KeyBuffer-__str__"><strong>__str__</strong></a>(self)</dt><dd><tt>returns&nbsp;a&nbsp;concatenation&nbsp;of&nbsp;all&nbsp;characters</tt></dd></dl>

<dl><dt><a name="KeyBuffer-append"><strong>append</strong></a>(self, key)</dt><dd><tt>Append&nbsp;a&nbsp;key&nbsp;to&nbsp;the&nbsp;keybuffer,&nbsp;or&nbsp;initial&nbsp;numbers&nbsp;to<br>
the&nbsp;number&nbsp;attribute.</tt></dd></dl>

<dl><dt><a name="KeyBuffer-clear"><strong>clear</strong></a>(self)</dt><dd><tt>Clear&nbsp;the&nbsp;keybuffer&nbsp;and&nbsp;restore&nbsp;the&nbsp;initial&nbsp;state</tt></dd></dl>

<dl><dt><a name="KeyBuffer-tuple_with_numbers"><strong>tuple_with_numbers</strong></a>(self)</dt><dd><tt>Get&nbsp;a&nbsp;tuple&nbsp;of&nbsp;ascii&nbsp;codes.</tt></dd></dl>

<dl><dt><a name="KeyBuffer-tuple_without_numbers"><strong>tuple_without_numbers</strong></a>(self)</dt><dd><tt>Get&nbsp;a&nbsp;tuple&nbsp;of&nbsp;ascii&nbsp;codes.<br>
If&nbsp;the&nbsp;keybuffer&nbsp;starts&nbsp;with&nbsp;numbers,&nbsp;those&nbsp;will<br>
be&nbsp;left&nbsp;out.&nbsp;To&nbsp;access&nbsp;them,&nbsp;use&nbsp;keybuffer.number</tt></dd></dl>

<hr>
Data descriptors defined here:<br>
<dl><dt><strong>__dict__</strong></dt>
<dd><tt>dictionary&nbsp;for&nbsp;instance&nbsp;variables&nbsp;(if&nbsp;defined)</tt></dd>
</dl>
<dl><dt><strong>__weakref__</strong></dt>
<dd><tt>list&nbsp;of&nbsp;weak&nbsp;references&nbsp;to&nbsp;the&nbsp;object&nbsp;(if&nbsp;defined)</tt></dd>
</dl>
</td></tr></table></td></tr></table><p>
<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section">
<tr bgcolor="#eeaa77">
<td colspan=3 valign=bottom>&nbsp;<br>
<font color="#ffffff" face="helvetica, arial"><big><strong>Functions</strong></big></font></td></tr>
    
<tr><td bgcolor="#eeaa77"><tt>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</tt></td><td>&nbsp;</td>
<td width="100%"><dl><dt><a name="-to_string"><strong>to_string</strong></a>(i)</dt></dl>
</td></tr></table><p>
<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section">
<tr bgcolor="#55aa55">
<td colspan=3 valign=bottom>&nbsp;<br>
<font color="#ffffff" face="helvetica, arial"><big><strong>Data</strong></big></font></td></tr>
    
<tr><td bgcolor="#55aa55"><tt>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</tt></td><td>&nbsp;</td>
<td width="100%"><strong>NINE</strong> = 57<br>
<strong>ZERO</strong> = 48</td></tr></table>
</body></html>
h <boothj5@gmail.com> 2012-05-27 22:33:28 +0100 committer James Booth <boothj5@gmail.com> 2012-05-27 22:33:28 +0100 Implemented presence function' href='/danisanti/profani-tty/commit/jabber.c?id=fadf841d1f7930f701379caf49b7f39128ae3c65'>fadf841d ^
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        
/* 
 * jabber.c
 *
 * Copyright (C) 2012 James Booth <boothj5@gmail.com>
 * 
 * This file is part of Profanity.
 *
 * Profanity is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Profanity is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Profanity.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

#include <string.h>
#include <stdlib.h>
#include <strophe.h>

#include "jabber.h"
#include "common.h"
#include "log.h"
#include "contact_list.h"
#include "ui.h"
#include "util.h"
#include "preferences.h"

#define PING_INTERVAL 120000 // 2 minutes

// log reference
extern FILE *logp;

static struct _jabber_conn_t {
    xmpp_log_t *log;
    xmpp_ctx_t *ctx;
    xmpp_conn_t *conn;
    jabber_conn_status_t conn_status;
    jabber_presence_t presence;
    int tls_disabled;
} jabber_conn;

void xmpp_file_logger(void * const userdata, const xmpp_log_level_t level,
    const char * const area, const char * const msg);

static const xmpp_log_t file_log = { &xmpp_file_logger, XMPP_LEVEL_DEBUG };

xmpp_log_t *xmpp_get_file_logger()
{
    return (xmpp_log_t*) &file_log;
}

void xmpp_file_logger(void * const userdata, const xmpp_log_level_t level,
    const char * const area, const char * const msg)
{
    log_msg(area, msg);
}

// private XMPP handlers
static void _jabber_conn_handler(xmpp_conn_t * const conn, 
    const xmpp_conn_event_t status, const int error, 
    xmpp_stream_error_t * const stream_error, void * const userdata);

static int _jabber_message_handler(xmpp_conn_t * const conn, 
    xmpp_stanza_t * const stanza, void * const userdata);

static int _roster_handler(xmpp_conn_t * const conn, 
    xmpp_stanza_t * const stanza, void * const userdata);

static int _jabber_presence_handler(xmpp_conn_t * const conn, 
    xmpp_stanza_t * const stanza, void * const userdata);

static int _ping_timed_handler(xmpp_conn_t * const conn, void * const userdata);

void jabber_init(const int disable_tls)
{
    jabber_conn.conn_status = JABBER_STARTED;
    jabber_conn.presence = PRESENCE_OFFLINE;
    jabber_conn.tls_disabled = disable_tls;
}

jabber_conn_status_t jabber_connection_status(void)
{
    return (jabber_conn.conn_status);
}

jabber_conn_status_t jabber_connect(const char * const user, 
    const char * const passwd)
{
    xmpp_initialize();

    jabber_conn.log = xmpp_get_file_logger();
    jabber_conn.ctx = xmpp_ctx_new(NULL, jabber_conn.log);
    jabber_conn.conn = xmpp_conn_new(jabber_conn.ctx);

    xmpp_conn_set_jid(jabber_conn.conn, user);
    xmpp_conn_set_pass(jabber_conn.conn, passwd);

    if (jabber_conn.tls_disabled)
        xmpp_conn_disable_tls(jabber_conn.conn);

    int connect_status = xmpp_connect_client(jabber_conn.conn, NULL, 0, 
        _jabber_conn_handler, jabber_conn.ctx);

    if (connect_status == 0)
        jabber_conn.conn_status = JABBER_CONNECTING;
    else  
        jabber_conn.conn_status = JABBER_DISCONNECTED;

    return jabber_conn.conn_status;
}

const char * jabber_get_jid(void)
{
    return xmpp_conn_get_jid(jabber_conn.conn);
}

void jabber_disconnect(void)
{
    if (jabber_conn.conn_status == JABBER_CONNECTED) {
        xmpp_conn_release(jabber_conn.conn);
        xmpp_ctx_free(jabber_conn.ctx);
        xmpp_shutdown();
        jabber_conn.conn_status = JABBER_DISCONNECTED;
        jabber_conn.presence = PRESENCE_OFFLINE;
    }
}

void jabber_process_events(void)
{
    if (jabber_conn.conn_status == JABBER_CONNECTED 
            || jabber_conn.conn_status == JABBER_CONNECTING)
        xmpp_run_once(jabber_conn.ctx, 10);
}

void jabber_send(const char * const msg, const char * const recipient)
{
    char *coded_msg = str_replace(msg, "&", "&amp;");
    char *coded_msg2 = str_replace(coded_msg, "<", "&lt;");
    char *coded_msg3 = str_replace(coded_msg2, ">", "&gt;");

    xmpp_stanza_t *reply, *body, *text;

    reply = xmpp_stanza_new(jabber_conn.ctx);
    xmpp_stanza_set_name(reply, "message");
    xmpp_stanza_set_type(reply, "chat");
    xmpp_stanza_set_attribute(reply, "to", recipient);

    body = xmpp_stanza_new(jabber_conn.ctx);
    xmpp_stanza_set_name(body, "body");

    text = xmpp_stanza_new(jabber_conn.ctx);
    xmpp_stanza_set_text(text, coded_msg3);
    xmpp_stanza_add_child(body, text);
    xmpp_stanza_add_child(reply, body);

    xmpp_send(jabber_conn.conn, reply);
    xmpp_stanza_release(reply);
    free(coded_msg);
    free(coded_msg2);
    free(coded_msg3);
}

void jabber_roster_request(void)
{
    xmpp_stanza_t *iq, *query;

    iq = xmpp_stanza_new(jabber_conn.ctx);
    xmpp_stanza_set_name(iq, "iq");
    xmpp_stanza_set_type(iq, "get");
    xmpp_stanza_set_id(iq, "roster");

    query = xmpp_stanza_new(jabber_conn.ctx);
    xmpp_stanza_set_name(query, "query");
    xmpp_stanza_set_ns(query, XMPP_NS_ROSTER);

    xmpp_stanza_add_child(iq, query);
    xmpp_stanza_release(query);
    xmpp_send(jabber_conn.conn, iq);
    xmpp_stanza_release(iq);
}

void jabber_update_presence(jabber_presence_t status, const char * const msg)
{
    jabber_conn.presence = status;

    xmpp_stanza_t *pres, *show;

    pres = xmpp_stanza_new(jabber_conn.ctx);
    xmpp_stanza_set_name(pres, "presence");
    
    if (status != PRESENCE_ONLINE) {
        show = xmpp_stanza_new(jabber_conn.ctx);
        xmpp_stanza_set_name(show, "show");
        xmpp_stanza_t *text = xmpp_stanza_new(jabber_conn.ctx);

        if (status == PRESENCE_AWAY)
            xmpp_stanza_set_text(text, "away");
        else if (status == PRESENCE_DND)
            xmpp_stanza_set_text(text, "dnd");
        else if (status == PRESENCE_CHAT)
            xmpp_stanza_set_text(text, "chat");
        else if (status == PRESENCE_XA)
            xmpp_stanza_set_text(text, "xa");
        else 
            xmpp_stanza_set_text(text, "online");

        xmpp_stanza_add_child(show, text);
        xmpp_stanza_add_child(pres, show);
        xmpp_stanza_release(text);
        xmpp_stanza_release(show);
    }

    if (msg != NULL) {
        xmpp_stanza_t *status = xmpp_stanza_new(jabber_conn.ctx);
        xmpp_stanza_set_name(status, "status");
        xmpp_stanza_t *text = xmpp_stanza_new(jabber_conn.ctx);

        xmpp_stanza_set_text(text, msg);

        xmpp_stanza_add_child(status, text);
        xmpp_stanza_add_child(pres, status);
        xmpp_stanza_release(text);
        xmpp_stanza_release(status);
    }

    xmpp_send(jabber_conn.conn, pres);
    xmpp_stanza_release(pres);
}

static int _jabber_message_handler(xmpp_conn_t * const conn, 
    xmpp_stanza_t * const stanza, void * const userdata)
{
    xmpp_stanza_t *body = xmpp_stanza_get_child_by_name(stanza, "body");
    if(body == NULL)
        return 1;

    char *type = xmpp_stanza_get_attribute(stanza, "type");
    if(strcmp(type, "error") == 0)
        return 1;

    char *message = xmpp_stanza_get_text(body);
    char *from = xmpp_stanza_get_attribute(stanza, "from");
    win_show_incomming_msg(from, message);
    win_page_off();

    return 1;
}

static void _jabber_conn_handler(xmpp_conn_t * const conn, 
    const xmpp_conn_event_t status, const int error, 
    xmpp_stream_error_t * const stream_error, void * const userdata)
{
    xmpp_ctx_t *ctx = (xmpp_ctx_t *)userdata;

    if (status == XMPP_CONN_CONNECT) {
        const char *jid = xmpp_conn_get_jid(conn);
        const char *msg = " logged in successfully.";
        char line[strlen(jid) + 1 + strlen(msg) + 1];
        sprintf(line, "%s %s", jid, msg);
        title_bar_set_status(PRESENCE_ONLINE);

        cons_show(line);
        win_page_off();
        status_bar_print_message(jid);
        status_bar_refresh();

        xmpp_stanza_t* pres;
        xmpp_handler_add(conn, _jabber_message_handler, NULL, "message", NULL, ctx);
        xmpp_handler_add(conn, _jabber_presence_handler, NULL, "presence", NULL, ctx);
        xmpp_id_handler_add(conn, _roster_handler, "roster", ctx);
        xmpp_timed_handler_add(conn, _ping_timed_handler, PING_INTERVAL, ctx);

        pres = xmpp_stanza_new(ctx);
        xmpp_stanza_set_name(pres, "presence");
        xmpp_send(conn, pres);
        xmpp_stanza_release(pres);

        prefs_add_login(jid);

        jabber_conn.conn_status = JABBER_CONNECTED;
        jabber_conn.presence = PRESENCE_ONLINE;
    }
    else {
        if (jabber_conn.conn_status == JABBER_CONNECTED) {
            cons_bad_show("Lost connection.");
            win_disconnected();
        } else {
            cons_bad_show("Login failed.");
        }
        win_page_off();
        log_msg(CONN, "disconnected");
        xmpp_stop(ctx);
        jabber_conn.conn_status = JABBER_DISCONNECTED;
        jabber_conn.presence = PRESENCE_OFFLINE;
    }
}

static int _roster_handler(xmpp_conn_t * const conn, 
    xmpp_stanza_t * const stanza, void * const userdata)
{
    xmpp_stanza_t *query, *item;
    char *type, *name, *jid;

    type = xmpp_stanza_get_type(stanza);
    
    if (strcmp(type, "error") == 0)
        log_msg(CONN, "ERROR: query failed");
    else {
        query = xmpp_stanza_get_child_by_name(stanza, "query");
        cons_show("Roster:");

        item = xmpp_stanza_get_children(query);
        while (item != NULL) {
            name = xmpp_stanza_get_attribute(item, "name");
            jid = xmpp_stanza_get_attribute(item, "jid");

            if (name != NULL) {
                char line[strlen(name) + 2 + strlen(jid) + 1 + 1];
                sprintf(line, "%s (%s)", name, jid);
                cons_show(line);

            } else {
                char line[strlen(jid) + 1];
                sprintf(line, "%s", jid);
                cons_show(line);
            }
        
            item = xmpp_stanza_get_next(item);

            win_page_off();
        }
    }
    
    return 1;
}

static int _ping_timed_handler(xmpp_conn_t * const conn, void * const userdata)
{
    if (jabber_conn.conn_status == JABBER_CONNECTED) {
        xmpp_ctx_t *ctx = (xmpp_ctx_t *)userdata;
        
        xmpp_stanza_t *iq, *ping;

        iq = xmpp_stanza_new(ctx);
        xmpp_stanza_set_name(iq, "iq");
        xmpp_stanza_set_type(iq, "get");
        xmpp_stanza_set_id(iq, "c2s1");

        ping = xmpp_stanza_new(ctx);
        xmpp_stanza_set_name(ping, "ping");

        // FIXME add ping namespace to libstrophe
        xmpp_stanza_set_ns(ping, "urn:xmpp:ping");

        xmpp_stanza_add_child(iq, ping);
        xmpp_stanza_release(ping);
        xmpp_send(conn, iq);
        xmpp_stanza_release(iq);
    }

    return 1;
}

static int _jabber_presence_handler(xmpp_conn_t * const conn, 
    xmpp_stanza_t * const stanza, void * const userdata)
{
    const char *jid = xmpp_conn_get_jid(jabber_conn.conn);
    char jid_cpy[strlen(jid) + 1];
    strcpy(jid_cpy, jid);
    char *short_jid = strtok(jid_cpy, "/");
    
    char *from = xmpp_stanza_get_attribute(stanza, "from");
    char *short_from = strtok(from, "/");
    char *type = xmpp_stanza_get_attribute(stanza, "type");

    char *show_str, *status_str;
   
    xmpp_stanza_t *show = xmpp_stanza_get_child_by_name(stanza, "show");
    if (show != NULL)
        show_str = xmpp_stanza_get_text(show);
    else
        show_str = NULL;

    xmpp_stanza_t *status = xmpp_stanza_get_child_by_name(stanza, "status");
    if (status != NULL)    
        status_str = xmpp_stanza_get_text(status);
    else 
        status_str = NULL;

    if (strcmp(short_jid, short_from) !=0) {
        if (type == NULL) {// online
            gboolean result = contact_list_add(short_from, show_str, status_str);
            if (result) {
                win_contact_online(short_from, show_str, status_str);
            }
        } else {// offline
            gboolean result = contact_list_remove(short_from);
            if (result) {
                win_contact_offline(short_from, show_str, status_str);
            }
        }

        win_page_off();
    }

    return 1;
}