README.md

@@ -1,4 +1,4 @@
-Meshenger
+meshenger
 =========
 
 Meshenger is a Forban-inspired messaging software used for a speculative broadcast communication project. The starting point is an electronic messaging system running on a wireless mesh network. The messages propagate through the network when devices that come in contact with each other synchronize their content. It is non-hierarchical, every node receives, relays and broadcasts messages.
@@ -26,18 +26,6 @@ You are going to need to have an internet connection to your router, the easiest
 
 Alternatively if you use OSX you can enable internet sharing (make sure to set your OSX machine as the gateway and DNS server for your router in /etc/config/network)
 
-*If after flashing something goes wrong, you can reset the whole router in failsafe mode* see [here](http://wiki.openwrt.org/doc/howto/generic.failsafe).
-
-### Lazy Install
-
-Below you will find the manual configuration steps necessary to install Meshenger. We did however create some scripts to help you automate the process.
-
-Read more [here](https://github.com/rscmbbng/meshenger/blob/master/lazyinstall/README.md)
- 
-To add: stop Luci from running! 
-`$ /etc/init.d/uhttpd disable`
-Saves a lot of resources!
-
 ### System configuration
 
 To use your router for Meshenger you're going to need to run the whole filesystem from a USB-Drive.

lazyinstall/README.md

@@ -1,46 +1,3 @@
 This is a very primitive script to automate the openwrt setup.
 It's probably best not used at this point.
 
-However if you choose to use it make sure you have the following things set up:
-
-- The OpenWRT router has a connection to the internet (by attaching it to another router via ethernet)
-- You have a properly formatted usb drive (one ext4 partition, one 32mb swap partiton)
-- Make sure the usb flash drive is inserted in the router
-
-The lazy install scripts works by moving config files from this folder to replace the ones on the target router's filesystem. 
-Therefore you need to edit the following files to suit your own needs:
-
-network file:
-lines 11 and 13, the ip adress you want to use plus the ip adress of the gateway that provides this router with its internet connection.
-
-wireless file:
-line 11,the wireless SSID that the router will get 
-
-Once you've set all of this up copy the lazyinstall directory to your open-wrt router:
-
-	scp -r /path/to/meshenger/lazyinstall/ root@target.router.ip.adress:~/
-
-ssh into the target router:
-
-	ssh root@target.router.ip.address
-
-navigate to where you copied the lazyinstall directory:
-	cd ~/lazyinstall
-
-first execute lazyinstall1, it will set up the ext_root on ths usb drive
-
-	./lazyinstall1.sh
-
-once that's done reboot the router:
-
-	reboot -f
-
-once it is up again, ssh back in. the router has now booted from the external usb drive. you can verify that by doing:
-
-	df -h
-
-which should show you that rootfs is the size of your external usb drive
-
-run lazyinstall2. this will copy all the config files, download python and git and clone the meshenger project. This can take a while.
-
-After this is done you can reboot and you will have a fully functioning meshenger node!

lazyinstall/lazyinstall1.sh

@@ -17,7 +17,7 @@ mount -t ext4 /dev/sda1 /mnt/sda1
 
 echo 'Cleaning USB drive'
 
-rm -r /mnt/sda1/*
+rm -r /mnt/sda1/
 
 sleep 4
 
@@ -25,7 +25,7 @@ echo 'Copying filesystem to USB drive'
 mkdir -p /tmp/cproot
 mount --bind / /tmp/cproot
 sleep 1
-tar -C /tmp/cproot -cvf - . | tar -C /mnt/sda1/ -xf -
+tar -C /tmp/cproot -cvf - . | tar -C /mnt/sda1 -xf -
 sleep 1
 umount /tmp/cproot
 

lazyinstall/lazyinstall2.sh

@@ -32,7 +32,7 @@ sed -i -e "s/option 'interfaces' 'mesh'/option 'interfaces' 'adhoc0'/g" /etc/con
 
 opkg install python git
 sleep 1
-git clone git://github.com/rscmbbng/meshenger /root/meshenger
+git clone ://github.com/rscmbbng/meshenger /root/meshenger
 
 mv uhttpd /etc/config/uhttpd
 

lazyinstall/wireless

@@ -7,7 +7,7 @@ config wifi-iface	'wmesh'
 	option bssid	'66:66:66:66:66:66'
 
 config wifi-iface                       
-        option 'device' 'radio0'  #use your existing wifi device, look in the list above.    
+        option 'device' 'radio0'  #use your excisting wifi device, look in the list above.    
         option 'ssid' 'meshenger_node'  #use a unique name for your network?
         option 'network' 'hotspot'      
         option 'mode' 'ap'              

main.py

@@ -2,39 +2,31 @@
 
 import socket, os, time, select, urllib, sys, threading, json, logging, logging.config
 
-os.chdir(os.path.dirname(__file__)) # change present working directory to the one where this file is
-
 logging.config.fileConfig('pylog.conf')
 logger = logging.getLogger('meshenger'+'.main')
 
 class Meshenger:
-  devices = {} #the dictionary of all the nodes this this node has seen. each ip-entry has a tuple of 'foreign index update time' and time when last seen
-  devices_old =  {}
+  devices = {} #the dictionary of all the nodes this this node has seen
   serve_port = "13338"
   announce_port = 13337
   #own_ip = "0.0.0.0"
   msg_dir = os.path.relpath('msg/')
   exitapp = False #to kill all threads on
   index_last_update = str(int(time.time()))
-  node_expiry = 15 #the time to wait before removing a node form the discovered nodelist
 
   def __init__(self):
 
     os.system("echo 1 >> /proc/sys/net/ipv6/conf/br-lan/disable_ipv6")
     os.system("echo 1 >> /proc/sys/net/ipv6/conf/br-hotspot/disable_ipv6")
 
+    os.chdir(os.path.dirname(__file__)) # change present working directory to the one where this file is
 
     self.own_ip = self.get_ip_adress().strip()
-    # this hash is needed in clientserve, so client can generate color
-    self.own_hash = self.hasj(self.own_ip)
 
     if not os.path.exists(self.msg_dir):
       os.mkdir(self.msg_dir)
       logger.info('Making message directory')
 
-    self.init_index()
-    self.make_alias()
-
     try:
       d = threading.Thread(target=self.discover)
       d.daemon = True
@@ -52,6 +44,12 @@ class Meshenger:
       c.daemon = True
       c.start()
 
+      b = threading.Thread(target=self.build_index)
+      b.daemon = True
+      b.start()
+
+      #os.system("python meshenger_clientserve.py")
+
     except (KeyboardInterrupt, SystemExit):
       logger.info('exiting discovery thread')
       d.join()
@@ -60,10 +58,6 @@ class Meshenger:
       n.join()
       c.join()
       sys.exit()
-    except Exception as e:
-      logger.warning( 'Main __init__ thread exception: %s', repr(e) )
-    except:
-      logger.warning( 'Main __init__ unknown thread exception')
 
     while True:
       logger.debug('Entering main loop')
@@ -91,27 +85,15 @@ class Meshenger:
             self.get_index(device, nodepath)
             logger.info('downloading messages')
             self.get_messages(device, nodepath, nodehash)
-            self.build_index()
           self.node_timestamp(device)
 
-      self.devices_old = dict(self.devices)
-
-      #check to see if a node has been missing for a while, if so remove it from self.devices
-      for device in self.devices_old.keys(): 
-        update_time = int(self.devices[device][1])
-        time_delta = int(time.time())- update_time
-        if time_delta >= self.node_expiry:
-          logger.info('Node '+device+' missing for '+str(self.node_expiry)+' seconds. Removing from list')
-          del self.devices[device]
-
       time.sleep(5) #free process or ctrl+c
 
-
   def node_timestamp(self, ip):
       nodepath = os.path.abspath(os.path.join('nodes', self.hasj(ip)))
       updatepath = os.path.join(nodepath, 'lastupdate')
       with open(updatepath, 'wb') as lastupdate:
-        lastupdate.write(self.devices[ip][0])
+        lastupdate.write(self.devices[ip])
       #return updatepath
 
 
@@ -122,20 +104,17 @@ Announce the node's existance to other nodes
 """
     logger.info('Announcing')
     while not self.exitapp:
-      try:
       sock = socket.socket(socket.AF_INET6, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
       sock.sendto(self.index_last_update, ("ff02::1", self.announce_port))
-        #sock.close()
+      sock.close()
       time.sleep(5)
-      except:
-        logger.warning('Failed to announce myself!')
 
   def discover(self):
     """
 Discover other devices by listening to the Meshenger announce port
 """
 
-    logger.info('Discovering')
+    print 'Discovering'
     bufferSize = 1024 # whatever you need?
 
     s = socket.socket(socket.AF_INET6, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
@@ -144,19 +123,19 @@ Discover other devices by listening to the Meshenger announce port
     while not self.exitapp:
       result = select.select([s],[],[])[0][0].recvfrom(bufferSize)
       ip = result[1][0]
-      #logger.debug('%s %s', ip, 'discovered')
+      logger.info('%s %s', ip, "*"*45)
       node_path = os.path.join(os.path.abspath('nodes'), self.hasj(ip))
-      announce_time = str(int(time.time()))
+
       if not os.path.exists(node_path) and ip != self.own_ip: 
         #loop for first time
         self.ip_to_hash_path(ip) #make a folder /nodes/hash
-        self.devices[ip] = result[0], announce_time
+        self.devices[ip] = result[0]
         #self.node_timestamp(ip) #make a local copy of the timestamp in /nodes/hash/updatetimestamp
         logger.info('New node %s', ip)
 
       elif os.path.exists(node_path) and ip != self.own_ip:
         logger.info('Known node %s', ip)
-        self.devices[ip] = result[0], announce_time
+        self.devices[ip] = result[0]
 
 
       time.sleep(1)
@@ -175,33 +154,27 @@ Initialize the clientserver
 """
     logger.info('Serving to client')
     import meshenger_clientserve
-    # set a reference to this object 
-    meshenger_clientserve.meshenger = self
     meshenger_clientserve.main()
-    # meshenger_clientserve.build_index_callback = self.build_index
 
-  def init_index(self):
+
+  def build_index(self):
     """
-Initialize the index. Read from disk or create new.
+Make an index file of all the messages present on the node.
+Save the time of the last update.
 """
-    logger.info('Checking own index for the first time\n')
+
+    logger.info('Building own index for the first time\n')
 
     if not os.path.exists('index'):
       with open('index','wb') as index:
         index.write('')
-      self.previous_index = []
+      previous_index = []
     else:
-      self.previous_index = open('index').readlines()
-      self.build_index()
+      previous_index = open('index').readlines()
 
-  def build_index(self):
-    """
-	Make an index file of all the messages present on the node.
-	Save the time of the last update.
-	"""
-    logger.debug('build_index')
+    while not self.exitapp:
       current_index = os.listdir(self.msg_dir)
-    if current_index != self.previous_index:
+      if current_index != previous_index:
         with open('index', 'wb') as index:
           for message in os.listdir(self.msg_dir):
             index.write(message)
@@ -213,26 +186,13 @@ Initialize the index. Read from disk or create new.
         with open('index_last_update', 'wb') as indexupdate:
           indexupdate.write(self.index_last_update) ### misschien moet dit index_last_update zijn
 
-    self.previous_index = current_index
-
-  def make_alias(self):
-	"""
-	See if the node already has an alias (nickname) if not just use the IP-Hash
-	"""
-	if not os.path.exists('alias'):
-	  with open('alias','wb') as alias:
-		self.alias = self.own_hash
-		alias.write(self.own_hash)
-	else:
-	  self.alias = open('alias','rb').read().replace('\n','') #should we replace the newline?
-	  pass
-	logger.debug('Alias is "'+self.alias+'"')
-
+      previous_index = current_index
+      time.sleep(5)
 
   def get_index(self,ip, path):
     """
-	Download the indices from other nodes.
-	"""
+Download the indices from other nodes.
+"""
 
     os.system('wget http://['+ip+'%adhoc0]:'+self.serve_port+'/index -O '+os.path.join(path,'index'))
 
@@ -285,7 +245,6 @@ Convert a node's ip into a hash and make a directory to store it's files
     """
 Hack to adhoc0's inet6 adress
 """
-    #TODO possibly check if it's an empty file 
     if not os.path.isfile('interfaceip6adress'):
       os.system('ifconfig -a adhoc0 | grep inet6 > /root/meshenger/interfaceip6adress')
     with open('/root/meshenger/interfaceip6adress', 'r') as a:

meshenger_clientserve.py

@@ -13,34 +13,27 @@ import logging, logging.config
 logging.config.fileConfig('pylog.conf')
 logger = logging.getLogger('meshenger'+'.clientserve')
 
+
 class ClientServeHandler(SimpleHTTPServer.SimpleHTTPRequestHandler):
 
   messageDir = "msg"
 
-  def do_GET(self):
   """
-Serve index and messages
-"""
+  Serve index and messages
+  """
+  def do_GET(self):
 
-    if self.path == '/index' or self.path.startswith( "/"+self.messageDir ):
+    if self.path == '/':
+      self.send_response(200)
+      self.send_header('Content-type', 'text/html')
+      self.end_headers()
+      f = os.path.relpath('webapp.html')
+      # f = os.path.join('/root/meshenger/',"webapp.html")
+      with open( f, 'r') as the_file:
+        self.wfile.write(the_file.read())
+
+    elif self.path == '/index' or self.path.startswith( "/"+self.messageDir ):
       return SimpleHTTPServer.SimpleHTTPRequestHandler.do_GET(self)
-    elif self.path == '/id':
-      if meshenger and meshenger.own_hash:
-        self.send_response(200)
-        self.send_header('Content-type', 'text-html')
-        self.end_headers()
-        self.wfile.write(meshenger.own_hash)
-      else:
-        self.send_error(404,'Id not yet available')
-    elif self.path == '/alias':
-      if meshenger and meshenger.alias:
-        self.send_response(200)
-        self.send_header('Content-type', 'text-html')
-        self.end_headers()
-        self.wfile.write(meshenger.alias)
-      else:
-        self.send_error(404,'Alias not yet available')
-    
     elif self.path == '/log':
       self.send_response(200)
       self.send_header('Content-type', 'text-html')
@@ -48,33 +41,21 @@ Serve index and messages
       f = os.path.relpath('log/meshenger.log')
       with open( f, 'r') as the_file:
         self.wfile.write(the_file.read())
-    elif self.path.startswith('/web'):
-
-      f = os.path.relpath(self.path[1:])
-      if not os.path.exists( f ) or os.path.isdir( f ):
-        f = os.path.join('web', 'index.html')
-
-      self.path = '/'+f
-      return SimpleHTTPServer.SimpleHTTPRequestHandler.do_GET(self)
-    elif self.path == '/old':
+    else:
       self.send_response(200) #serve the webapp on every url requested
       self.send_header('Content-type', 'text/html')
       self.end_headers()
-      f = os.path.relpath( 'webapp.html')
+      f = os.path.join( "webapp.html")
       with open( f, 'r') as the_file:
         self.wfile.write(the_file.read())
 
-    else:
-      self.path = '/' + os.path.join('web', 'index.html')
-      return SimpleHTTPServer.SimpleHTTPRequestHandler.do_GET(self)
 
-
-  def do_POST(self):
   """
-Allow clients to post messages
-"""
+  Allow clients to post messages
+  """
+  def do_POST(self):
     if self.path == '/send':
-      logger.info('incoming message from client!')
+
       length = int(self.headers['Content-Length'])
       post_data = urlparse.parse_qs(self.rfile.read(length).decode('utf-8'))
 
@@ -85,18 +66,8 @@ Allow clients to post messages
       self.end_headers()
       self.wfile.write('message created')
 
-      #let main rebuild message index
-      try:
-        logger.debug('try to call meshenger.build_index: %s', repr(meshenger))
-        meshenger.build_index()
-      except:
-        logger.error('failed to call meshenger.build_index')
-        pass
-
   def writeMessage(self, time, message):
-    """
-Write message to disk
-"""
+
     f = os.path.join( self.messageDir, time)
     if os.path.isfile( f ):
       return
@@ -106,7 +77,6 @@ Write message to disk
 
 class ClientServe():
   def __init__(self, port):
-    logger.info('ClientServe.__init__')
     server = HTTPServer( ('', port), ClientServeHandler)
     server.serve_forever()
 

meshenger_nodeserve.py

@@ -28,20 +28,16 @@ class NodeServeHandler(SimpleHTTPServer.SimpleHTTPRequestHandler):
 
   messageDir = "/msg"
 
-  def do_GET(self):
   """
-Serve index and messages
-"""
+  Serve index and messages
+  """
+  def do_GET(self):
     if self.path == '/':
       self.path = "/index"
 
     if self.path == '/index' or self.path.startswith( self.messageDir ):
       return SimpleHTTPServer.SimpleHTTPRequestHandler.do_GET(self)
 
-    if self.path == '/alias' or self.path.startswith( self.messageDir ):
-      return SimpleHTTPServer.SimpleHTTPRequestHandler.do_GET(self)
-
-
     else:
       self.send_response(404)
       self.send_header('Content-type', 'text/html')
@@ -53,7 +49,6 @@ class HTTPServerV6(BaseHTTPServer.HTTPServer):
 
 class NodeServe():
   def __init__(self, port):
-    logger.info('NodeServe.__init__')
     server = HTTPServerV6(('::', port), NodeServeHandler)
     server.serve_forever()
 

web/emoji.js

@@ -1,45 +0,0 @@
-function parseEmoticons( inputStr ){
-
-  var emoticons = [
-    {
-      text: ':)',
-      image: '1.png'
-    },
-    {
-      text: '<iframe',
-      image: 'iframe-open.png'
-    },
-    {
-      text: '</iframe>',
-      image: 'iframe-close.png'
-    },
-    {
-      text: '<script',
-      image: 'script-open.gif'
-    },
-    {
-      text: '</script>',
-      image: 'script-close.gif'
-    },
-    {
-      text: '<style',
-      image: 'style-open.png'
-    },
-    {
-      text: '</style>',
-      image: 'style-close.png'
-    },
-    {
-      text:';)',
-      image: '2.png'
-    },
-    {
-      text:':rock:',
-      image: '3.png'
-    }
-  ];
-  for ( var i = 0; i < emoticons.length; i++ ){
-    inputStr = inputStr.split(emoticons[i].text).join('<img class="emo" src="/web/emoticons/'+emoticons[i].image+'">');
-  }
-  return inputStr;
-}

web/index.html

@@ -1,70 +0,0 @@
-<!DOCTYPE html>
-<html>
-  <head>
-    <meta charset="utf-8">
-    <meta http-equiv="cache-control" content="max-age=0" />
-    <meta http-equiv="cache-control" content="no-cache" />
-    <meta http-equiv="expires" content="0" />
-    <meta http-equiv="expires" content="Tue, 01 Jan 1980 1:00:00 GMT" />
-    <meta http-equiv="pragma" content="no-cache" />
-    <meta name="viewport" content="width=device-width, user-scalable=no">
-    <link href="/web/style.css" rel="stylesheet" type="text/css">
-    <title>meshenger</title>
-  </head>
-  <body>
-  <div id="message-page">
-    <button id="message-back" class="back-button">Back</button><br><br>
-    <form id="message-form" action="" accept-charset="utf-8">
-      <textarea id="name" rows="1" placeholder="Your Name"></textarea>
-      <textarea id="message" rows="2"  placeholder="Your Message"></textarea>
-      <br>
-      <input type="submit" class="send-button" value="Send">
-    </form>
-  </div>
-
-  <div id="photo-page" class="photo-page">
-    <button id="photo-back" class="back-button">Back</button><br>
-    <input id="fileInput" accept="image/*" capture="camera" type="file">
-    <br>
-    <p>
-      <span id="progress">--</span>
-      <span id="total">--</span>
-    </p>
-
-    <!--Squashed source<br>-->
-    <img id="sourceImage" src="" alt="capture" height="200" width="200">
-    <!--Offset done<br>-->
-    <canvas id="canvas1" width="200" height="200"></canvas>
-    <!--Dithered<br>-->
-    <canvas id="canvas2" width="200" height="200"></canvas>
-    <!--Rotated<br>-->
-    <canvas id="canvas3" width="200" height="200"></canvas>
-    <br>
-
-    <button id="rot-left" class="rot-left">Rotate left</button>
-    <button id="rot-right" class="rot-right">Rotate right</button>
-    <br><br>
-    <textarea id="photo-name" rows="1" placeholder="Your Name"></textarea>
-    <br>
-    <button id="submit-photo" class="photo-buttons">Send</button>
-
-  </div>
-
-  <div id="overview-page"><br>
-    <div class="messages">
-      <ul id="inbox"></ul>
-      <ul id="outbox"></ul>
-    </div>
-    <div id="input-footer">
-      <button id="new-photo">Photo</button>
-      <button id="new-message">Message</button>
-    </div>
-
-  </div>
-
-  <script src="/web/main.js"></script>
-  <script src="/web/emoji.js"></script>
-  <script src="/web/photostuff.js"></script>
-  </body>
-</html>
-

web/main.js

@@ -1,325 +0,0 @@
-localStorage.clear();
-
-
-//These need to be obtained from the node
-var ownId, ownColor, ownAlias;
-
-/*
- * INIT
- */
-
-document.addEventListener('DOMContentLoaded', function(){
-
-  function update(){
-    if ( !ownId ){
-      getOwnId();
-    }
-    if ( !ownAlias){
-   getOwnAlias();
-    }
-    checkInbox();
-    // also check for outbox items on interval,
-    // necessary in case connection is lost and messages are not yet sent
-    checkOutbox();
-  }
-
-  document.getElementById('message-form').onsubmit = onSubmitMessage;
-
-  //update everything to initialize
-  updateInboxView();
-  update();
-
-  //check for new messages every 7 seconds
-  window.setInterval( update, 7000 );
-
-  initState();
-  initPhotoStuff(); //all photostuff is found in photostuff.js
-});
-
-/*
- * STATE CHANGES
- */
-
-function initState(){
-  showOverview();
-
-  document.getElementById('new-photo').onclick = showNewPhoto;
-  document.getElementById('new-message').onclick = showNewMessage;
-  document.getElementById('message-back').onclick = showOverview;
-  document.getElementById('photo-back').onclick = showOverview;
-}
-
-function showNewPhoto(){
-  document.getElementById('photo-page').style.display = "block";
-  document.getElementById('overview-page').style.display = "none";
-  document.getElementById('message-page').style.display = "none";
-  document.getElementById('fileInput').click();
-}
-
-function showNewMessage(){
-  document.getElementById('photo-page').style.display = "none";
-  document.getElementById('overview-page').style.display = "none";
-  document.getElementById('message-page').style.display = "block";
-}
-
-function showOverview(){
-  document.getElementById('photo-page').style.display = "none";
-  document.getElementById('overview-page').style.display = "block";
-  document.getElementById('message-page').style.display = "none";
-}
-
-/*
- * OUTBOX STUFF
- */
-function onSubmitMessage(){
-  var msg = document.getElementById('message').value.replace(/\r?\n/g, "<br />");
-  if ( !msg || msg === "" ) { /* prevent sending of empty messages */
-   return false;
-  }
-  var namm =  document.getElementById('name').value;
-  if ( !namm || namm === "" || namm.length > 20) { /* prevent too long usernames */
-   namm = "anonymous";
-  }
-  addOutboxItem( namm, "<p class='text-message'>"+msg+"</p>" );
-  return false;
-}
-
-function addOutboxItem( namm, message ){
-  var outStr = localStorage.getItem( 'outbox' ) || '';
-  var newMsgs = {};
-  var ddata = new Date().getTime();
-  var alias = ownAlias;
-  
-  var contento = {
-    "time" : ddata,
-    "message" : message,
-    "name" : namm,
-    "node" : "local",
-    "alias": alias,
-    "hops" : "0"
-  };
-  newMsgs.message = contento;
-
-  localStorage.setItem( 'outbox', JSON.stringify(newMsgs) );
-  checkOutbox();
-  document.getElementById('message').value = '';
-
-  showOverview();
-}
-
-function checkOutbox() {
-        var outStr = localStorage.getItem( 'outbox' );
-  if ( ! outStr ) {
-    return;
-  }
-  var lines = outStr.split( /\n/ );
-  for ( var i in lines ) {
-    if ( lines[i].length === 0 ) {
-      continue;
-    }
-    var obj = JSON.parse(lines[i]);
-    var ts = obj.message.time;
-    delete obj.message.time;
-    var msg = JSON.stringify(obj.message);
-    sendMessage( ts, msg );
-  }
-}
-function sendMessage( timestamp, message ) {
-  var xhr = new XMLHttpRequest();
-  var data = 'time=' + encodeURIComponent( timestamp ) +
-    '&message=' + encodeURIComponent( message );
-
-  xhr.onreadystatechange = function(){
-    if ( xhr.readyState == 4){
-        if ( xhr.status == 200 ) {
-          removeOutboxItem( timestamp );
-        }
-    }
-  };
-
-  xhr.open('POST', 'send', true);
-  xhr.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');
-  xhr.setRequestHeader('If-Modified-Since', 'Sat, 1 Jan 2005 00:00:00 GMT');
-  xhr.send(data);
-}
-function removeOutboxItem( timestamp ) {
-  var outStr = localStorage.getItem( 'outbox' ) || '';
-  var lines = outStr.split( /\n/ );
-  for ( var i in lines ) {
-                var obj = JSON.parse(lines[i]);
-    var ts = obj.message.time;
-    if ( ts === timestamp ) {
-      lines.splice( i, 1 );
-      break;
-    }
-  }
-  var newOutStr = lines.join('\n');
-  localStorage.setItem('outbox', newOutStr);
-}
-
-/*
- * INBOX STUFF
- */
-
-
-function updateInboxView() {
-var localStorageArray = [];
-  var contentString = '';
-
-  if (localStorage.length>0) {
-    for (i=0;i<localStorage.length;i++){
-
-      element=localStorage.getItem(localStorage.key(i));
-
-      if ( localStorage.key(i).length < 10 || element === 'outbox' ) {
-        continue;
-      }
-      try {
-        elementj = JSON.parse(element);
-      } catch (e) {
-        continue;
-      }
-
-      localStorageArray[i] = {
-        time:localStorage.key(i),
-        user:elementj.name,
-        message:elementj.message,
-        node:elementj.node,
-        hops:elementj.hops,
-        alias:elementj.alias
-      };
-    }
-  }
-  orderStorage = localStorageArray.sort(function(a,b) { return b.time - a.time; } );
-
-  for(var i in orderStorage) {
-    if ( i.length === 0 || i === 'outbox' ) {
-            continue;
-    }
-
-    var datereadable = getReadableDate( new Date(parseInt(orderStorage[i].time)) );
-    var color = getNodeColor( orderStorage[i].node );
-    contentString += '<li><div class="message-block" style="background-color:'+color+'">'+
-      '<div class="date-sender">On ' + datereadable +
-      ' <b>' + parseEmoticons(orderStorage[i].user) +'</b> wrote:</div>' +
-      '<div class="message-text">' + parseEmoticons( orderStorage[i].message ) + '</div>' + //parseEmoticons is found in emoji.js
-      ' <div class="nodehops"><div class="node '+orderStorage[i].node+'">from '+orderStorage[i].alias + '</div>' +
-      ' <div class="hops '+orderStorage[i].hops+'">via '+orderStorage[i].hops+' nodes</div></div></div></li>';
-  }
-  document.getElementById( 'inbox' ).innerHTML = contentString;
-}
-
-function getReadableDate( date ) {
-  var day = date.getDate();
-  if (day < 10) day = '0' + day;
-  var month = date.getMonth()+1;
-  if (month < 10) month = '0' + month;
-  var year = date.getFullYear();
-  var hrs = date.getHours();
-  if (hrs < 10) hrs = '0' + hrs;
-  var min = date.getMinutes();
-  if (min < 10) min = '0' + min;
-
-  return day + '/' + month + '/' + year + ' ' + hrs + ':' + min;
-}
-function getNodeColor( nodeId ) {
-  if( nodeId === 'local' ) {
-    return ownColor || '#fff';
-  }
-  return colorLuminance(nodeId.substr(0,6), 0.5);
-}
-function colorLuminance(hex, lum) {
-
-  // validate hex string
-  hex = String(hex).replace(/[^0-9a-f]/gi, '');
-  if (hex.length < 6) {
-    hex = hex[0]+hex[0]+hex[1]+hex[1]+hex[2]+hex[2];
-  }
-  lum = lum || 0;
-
-  // convert to decimal and change luminosity
-  var rgb = "#", c, i;
-  for (i = 0; i < 3; i++) {
-    c = parseInt(hex.substr(i*2,2), 16);
-    c = Math.round(Math.min(Math.max(0, c + (c * lum)), 255)).toString(16);
-    rgb += ("00"+c).substr(c.length);
-  }
-
-  return rgb;
-}
-
-function onMessageDownload( msg, filename ) {
-  if ( localStorage.getItem( filename ) === null ) {
-    localStorage.setItem( filename, msg );
-  }
-  updateInboxView();
-}
-function onIndex( index ) {
-  var lines = index.split( /\n/ );
-  var k,i,l,f;
-  for( k in localStorage){
-    l = 1;
-    for ( i in lines ) {
-      f = lines[i];
-      if (f == k){ l = 0; }
-    }
-    if (l == 1){
-      localStorage.removeItem(k);
-    }
-  }
-  updateInboxView();
-
-  for ( i in lines ) {
-    var fname = lines[i];
-    if ( localStorage.getItem( fname ) === null ) {
-      //localStorage.setItem( ts, lines[i].substr(lines[i].indexOf(' ')) );
-      downloadMessage( fname );
-    }
-
-  }
-
-}
-function downloadMessage(filename) {
-  var xhr = new XMLHttpRequest();
-  xhr.onreadystatechange = function(){
-    if (xhr.readyState == 4 && xhr.status == 200){
-      onMessageDownload( xhr.responseText, filename );
-    }
-  };
-  xhr.open( "GET", 'msg/'+filename, true);
-  xhr.send();
-
-}
-function checkInbox() {
-  var xhr = new XMLHttpRequest();
-  xhr.onreadystatechange = function(){
-    if (xhr.readyState == 4 && xhr.status == 200){
-      onIndex( xhr.responseText );
-    }
-  };
-  xhr.open( "GET", 'index', true);
-  xhr.send();
-}
-function getOwnId() {
-  var xhr = new XMLHttpRequest();
-  xhr.onreadystatechange = function(){
-    if (xhr.readyState == 4 && xhr.status == 200){
-      ownId = xhr.responseText;
-      ownColor = getNodeColor( ownId );
-    }
-  };
-  xhr.open( "GET", 'id', true);
-  xhr.send();
-}
-
-function getOwnAlias() {
-  var xhr = new XMLHttpRequest();
-  xhr.onreadystatechange = function(){
-    if (xhr.readyState == 4 && xhr.status == 200){
-      ownAlias = xhr.responseText;
-    }
-  };
-  xhr.open( "GET", 'alias', true);
-  xhr.send();
-}
-

web/photostuff.js

@@ -1,225 +0,0 @@
-/*
- * PHOTO STUFF
- */
-var imgDim = 200;
-var canvas1;
-var context1;
-var canvas2;
-var context2;
-var imgObj;
-var fileReader;
-var rotation = 0;
-
-var sourceImage = document.getElementById('sourceImage'); // get reference to img
-var fileInput = document.getElementById('fileInput'); // get reference to file select
-var progressEl = document.getElementById('progress');
-var totalEl = document.getElementById('total');
-
-
-function initPhotoStuff(){
-    canvas1 = document.getElementById('canvas1');
-    context1 = canvas1.getContext('2d');
-    canvas2 = document.getElementById('canvas2');
-    context2 = canvas2.getContext('2d');
-    canvas3 = document.getElementById('canvas3');
-    context3 = canvas3.getContext('2d');
-    initCanvas(context1);
-    initCanvas(context2);
-    initCanvas(context3);
-
-    fileInput.onchange = onFileInputChange;
-
-    document.getElementById('rot-left').onclick = onRotateLeft;
-    document.getElementById('rot-right').onclick = onRotateRight;
-    document.getElementById('submit-photo').onclick = submitImage;
-
-}
-
-
-function submitImage(){
-    var image = new Image(); //create new image holder
-
-    var canvas = document.getElementById('canvas3'); // choose canvas element to convert
-    var dataURL = canvas.toDataURL(); // convert cabvas to data url we can handle
-    image.src = dataURL;
-    image.className = 'photo-message';
-    if ( !image.src || image.src === "data:image/png;base64,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" ) { /* prevent sending of empty messages (data url of blank, thus white, canvas)*/
-      return false;
-    }
-
-    var namm = document.getElementById('photo-name').value;
-    if( !namm || namm == "" ){
-      namm = "anonymous";
-    }
-    addOutboxItem( parseEmoticons(namm), image.outerHTML );
-
-    showOverview();
-    return false;
-}
-
-function initCanvas(context){
-    // Debug filling
-    context.fillStyle ="#dbbd7a";
-    context.fill();
-    context.beginPath();
-    context.rect(0,0, imgDim, imgDim);
-    context.fillStyle = 'white';
-    context.fill();
-    // context.lineWidth = 7;
-    // context.strokeStyle = 'black';
-    // context.stroke();
-}
-
-// create file reader
-function onFileInputChange(){
-    var file = fileInput.files[0]; // get selected file (camera capture)
-    fileReader = new FileReader();
-    fileReader.onload = onFileReaderLoad; // add onload listener
-    fileReader.onprogress = onFileReaderProgress; // add progress listener
-    fileReader.readAsDataURL( file ); // get captured image as data URI
-}
-
-function onFileReaderProgress(e) {
-  if (e.lengthComputable) {
-    var progress = parseInt( ((e.loaded / e.total) * 100), 10 );
-    console.log(progress);
-    progressEl.innerHTML = e.loaded;
-    totalEl.innerHTML = e.total;
-  }
-}
-function onFileReaderLoad() {
-    imgObj = new Image();
-    imgObj.src = fileReader.result;
-    imgObj.onload = onImageLoad;
-
-    //for debugging: show image on screen, will be squashed
-    sourceImage.src = fileReader.result;
-}
-
-function onImageLoad() {
-    var w,h;
-    var xOffset = 0;
-    var yOffset = 0;
-    if ( imgObj.width > imgObj.height ) {
-      h = imgDim;
-      w = imgDim * imgObj.width / imgObj.height;
-      xOffset = (imgDim - w) / 2;
-    } else {
-      w = imgDim;
-      h = imgDim * imgObj.height / imgObj.width;
-      yOffset = (imgDim - h) / 2;
-    }
-    context1.drawImage(imgObj, xOffset, yOffset, w, h);
-    var imageData  = context1.getImageData( 0, 0, canvas1.width, canvas1.height);
-    context2.putImageData( monochrome(imageData,128,"atkinson"), 0, 0);
-    drawRotated();
-}
-
-function onRotateRight(){
-  rotation += 90;
-  drawRotated();
-}
-function onRotateLeft(){
-  rotation -= 90;
-  drawRotated();
-}
-function drawRotated(){
-
-    context3.clearRect(0,0,canvas3.width,canvas3.height);
-    context3.save();
-    context3.translate(canvas3.width/2,canvas3.height/2);
-    context3.rotate(rotation * Math.PI / 180);
-    context3.translate(-canvas3.width/2,-canvas3.height/2);
-    context3.drawImage( canvas2, 0, 0 );
-    context3.restore();
-}
-
-
-
-var bayerThresholdMap = [
-  [  15, 135,  45, 165 ],
-  [ 195,  75, 225, 105 ],
-  [  60, 180,  30, 150 ],
-  [ 240, 120, 210,  90 ]
-];
-
-var lumR = [];
-var lumG = [];
-var lumB = [];
-for (var i=0; i<256; i++) {
-  lumR[i] = i*0.299;
-  lumG[i] = i*0.587;
-  lumB[i] = i*0.114;
-}
-
-function monochrome(imageData, threshold, type){
-
-  var imageDataLength = imageData.data.length;
-
-  // Greyscale luminance (sets r pixels to luminance of rgb)
-  for (var i = 0; i <= imageDataLength; i += 4) {
-    imageData.data[i] = Math.floor(lumR[imageData.data[i]] + lumG[imageData.data[i+1]] + lumB[imageData.data[i+2]]);
-
-
-  }
-  var w = imageData.width;
-  var newPixel, err;
-
-  for (var currentPixel = 0; currentPixel <= imageDataLength; currentPixel+=4) {
-
-    if (type === "none") {
-      // No dithering
-      imageData.data[currentPixel] = imageData.data[currentPixel] < threshold ? 0 : 255;
-    } else if (type === "bayer") {
-      // 4x4 Bayer ordered dithering algorithm
-      var x = currentPixel/4 % w;
-      var y = Math.floor(currentPixel/4 / w);
-      var map = Math.floor( (imageData.data[currentPixel] + bayerThresholdMap[x%4][y%4]) / 2 );
-      imageData.data[currentPixel] = (map < threshold) ? 0 : 255;
-    } else if (type === "floydsteinberg") {
-      // Floyd–Steinberg dithering algorithm
-      newPixel = imageData.data[currentPixel] < 129 ? 0 : 255;
-      err = Math.floor((imageData.data[currentPixel] - newPixel) / 16);
-      imageData.data[currentPixel] = newPixel;
-
-      imageData.data[currentPixel       + 4 ] += err*7;
-      imageData.data[currentPixel + 4*w - 4 ] += err*3;
-      imageData.data[currentPixel + 4*w     ] += err*5;
-      imageData.data[currentPixel + 4*w + 4 ] += err*1;
-    } else {
-      // Bill Atkinson's dithering algorithm
-      newPixel = imageData.data[currentPixel] < 129 ? 0 : 255;
-      err = Math.floor((imageData.data[currentPixel] - newPixel) / 8);
-      imageData.data[currentPixel] = newPixel;
-
-      imageData.data[currentPixel       + 4 ] += err;
-      imageData.data[currentPixel       + 8 ] += err;
-      imageData.data[currentPixel + 4*w - 4 ] += err;
-      imageData.data[currentPixel + 4*w     ] += err;
-      imageData.data[currentPixel + 4*w + 4 ] += err;
-      imageData.data[currentPixel + 8*w     ] += err;
-    }
-
-    // Set g and b pixels equal to r
-    imageData.data[currentPixel + 1] = imageData.data[currentPixel + 2] = imageData.data[currentPixel];
-  }
-  // Alpha: make white pixels transparent!
-  var newColor = {r:0,g:0,b:0, a:0};
-
-  for ( i = 0, n = imageData.data.length; i <n; i += 4) {
-  var r = imageData.data[i],
-          g = imageData.data[i+1],
-          b = imageData.data[i+2];
-
-      // If its white, or close to white then change it
-      if(r >=200 && g >= 200 && b >= 200){
-          // Change the white to whatever.
-          imageData.data[i] = newColor.r;
-          imageData.data[i+1] = newColor.g;
-          imageData.data[i+2] = newColor.b;
-          imageData.data[i+3] = newColor.a;
-      }
-   }
-
-  return imageData;
-}

web/style.css

@@ -1,523 +0,0 @@
-body, html{
-  margin: 0;
-  padding: 0;
-}
-
-body{
-  font-size:20px;
-  text-shadow: 1px 1px #ddd;
-  font-family: times, 'times new roman', helvetica,serif;
-  line-height:1.5em;
-  color:#444;
-  background:#fff;
-  padding:20px;
-}
-
-
-/* resize images on mobile */
-@media all and (max-width: 768px) {
-
-  .photo-message{ /* rounded corner imgs...*/
-    width:100%;
-    height:100%;
-    overflow:hidden;
-     line-height: 0;
-    -webkit-border-top-left-radius:123px;
-    -webkit-border-top-right-radius:123px;
-    -webkit-border-bottom-right-radius:123px;
-    -webkit-border-bottom-left-radius:123px;
-    -moz-border-radius-bottomright:123px;
-    -moz-border-radius-bottomleft:123px;
-    -moz-border-top-left-radius:123px;
-    -moz-border-top-right-radius:123px;
-    border-top-left-radius:123px;
-    border-top-right-radius:123px;
-    border-bottom-right-radius:123px;
-    border-bottom-left-radius:123px;
-  }
-
-  img.photo-message{
-    width:100%;
-    line-height: 0;
-    vertical-align:middle; /* otherwise produces bottom border the size of the body 'line-height' */
-    /* disable anti aliasing */
-    image-rendering: optimizeSpeed;
-    image-rendering: -moz-crisp-edges;
-    image-rendering: -o-crisp-edges;
-    image-rendering: -webkit-optimize-contrast;
-    image-rendering: pixelated;
-    image-rendering: optimize-contrast;
-    -ms-interpolation-mode: nearest-neighbor;
-  }
-
-  .nodehops{
-    position: absolute;
-    float: right;
-    right:20px;
-    text-align: right;
-    padding: 0px;
-    margin-top:-50px;
-    -moz-box-shadow:0 0 23px #bbb;
-    -webkit-box-shadow:0 0 23px #bbb;
-    box-shadow:0 0 23px #bbb;
-    -webkit-border-top-left-radius:123px;
-    -webkit-border-top-right-radius:123px;
-    -webkit-border-bottom-right-radius:123px;
-    -webkit-border-bottom-left-radius:123px;
-    -moz-border-radius-bottomright:123px;
-    -moz-border-radius-bottomleft:123px;
-    -moz-border-top-left-radius:123px;
-    -moz-border-top-right-radius:123px;
-    border-top-left-radius:123px;
-    border-top-right-radius:123px;
-    border-bottom-right-radius:123px;
-    border-bottom-left-radius:123px;
-    background:#fff;
-  }
-
-}
-
-/* resize images on desktop */
-@media all and (min-width: 768px) {
-  img.photo-message{
-    width:50%;
-    display: block;
-    margin-left: auto;
-    margin-right: auto;
-    /* disable anti aliasing */
-    image-rendering: optimizeSpeed;
-    image-rendering: -moz-crisp-edges;
-    image-rendering: -o-crisp-edges;
-    image-rendering: -webkit-optimize-contrast;
-    image-rendering: pixelated;
-    image-rendering: optimize-contrast;
-    -ms-interpolation-mode: nearest-neighbor;
-  }
-
-
-img.photo-message{
-  /* disable anti aliasing */
-  image-rendering: optimizeSpeed;
-  image-rendering: -moz-crisp-edges;
-  image-rendering: -o-crisp-edges;
-  image-rendering: -webkit-optimize-contrast;
-  image-rendering: pixelated;
-  image-rendering: optimize-contrast;
-  -ms-interpolation-mode: nearest-neighbor;
-
-}
-
-.photo-message{ /* rounded corner imgs on desktop...*/
-    padding:30px;
-    width:100%;
-    height:100%;
-    overflow:hidden;
-    -webkit-border-top-left-radius:123px;
-    -webkit-border-top-right-radius:123px;
-    -webkit-border-bottom-right-radius:123px;
-    -webkit-border-bottom-left-radius:123px;
-    -moz-border-radius-bottomright:123px;
-    -moz-border-radius-bottomleft:123px;
-    -moz-border-top-left-radius:123px;
-    -moz-border-top-right-radius:123px;
-    border-top-left-radius:123px;
-    border-top-right-radius:123px;
-    border-bottom-right-radius:123px;
-    border-bottom-left-radius:123px;
-  }
-
-.nodehops{
-  position: absolute;
-  float: right;
-  right:20px;
-  text-align: right;
-  padding: 4px;
-  margin-top:-60px;
-  -moz-box-shadow:0 0 23px #bbb;
-  -webkit-box-shadow:0 0 23px #bbb;
-  box-shadow:0 0 23px #bbb;
-  -webkit-border-top-left-radius:123px;
-  -webkit-border-top-right-radius:123px;
-  -webkit-border-bottom-right-radius:123px;
-  -webkit-border-bottom-left-radius:123px;
-  -moz-border-radius-bottomright:123px;
-  -moz-border-radius-bottomleft:123px;
-  -moz-border-top-left-radius:123px;
-  -moz-border-top-right-radius:123px;
-  border-top-left-radius:123px;
-  border-top-right-radius:123px;
-  border-bottom-right-radius:123px;
-  border-bottom-left-radius:123px;
-  background:#fff;
-
-  }
-}
-
-
-
-img.emo {
-}
-
-.date-sender .emo {
-  width:22px;
-  height:22px;
-}
-
-p.text-message{
-  padding: 30px;
-  padding-top: 50px;
-}
-
-#input-footer{
-  position: fixed;
-  top:0px;
-  width:100%;
-  margin:10px;
-}
-
-
-#new-photo{
-  display:inline;
-  float:left;
-  width:30%;
-  -webkit-appearance: none;
-  -moz-appearance: none;
-  outline: none;
-  border:0;
-  -webkit-border-radius: 13px;
-  -moz-border-radius: 13px;
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-}
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-
-
-/* hide calculation canvases */
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-}
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-#photo-name{ /* text field */
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-}
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-#message-form .send-button {
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-}
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-}
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-h2{
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-}
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-hr{
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-  background-image: url(css/bg1.gif);
-
-}
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-.messages ul{
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-}
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-
-
-.photoBox {
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-  margin: 0 auto;
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-  overflow: visible;
-  background:#fff;
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-
-
-.node, .hops {
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-  display: inline-block;
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-  overflow: visible;
-  
-}
-
-
-.message-text {
-  font-size: 25px;
-}
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-.date-sender {
-  position: absolute;
-  font-size: 15px;
-  padding: 4px;
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-  border-bottom-right-radius:123px;
-  border-bottom-left-radius:123px;
-  background:#fff;
-}
-
-#outbox{
-  display:none;
-}
-#header{
-  width:100%;
-  text-align: center;
-}
-

webapp.html

@@ -355,7 +355,7 @@ updateOutboxView();
 window.setInterval( function(){
 	checkInbox();
 	checkOutbox();
-}, 7000 );
+}, 3000 );
 
 </script>