Mercurial > templog

--- a/web/config.py	Wed May 20 23:10:37 2015 +0800
+++ b/web/config.py	Thu May 21 00:00:54 2015 +0800
@@ -16,9 +16,11 @@

 UPDATE_URL = 'http://evil.ucc.asn.au/~matt/templog/update'

-GRAPH_WIDTH = 1200
-GRAPH_HEIGHT = 600
+GRAPH_WIDTH = 600
+GRAPH_HEIGHT = 700
 ZOOM = 1
+# determine by viewing the image
+GRAPH_LEFT_MARGIN = 65

 LINE_WIDTH = 2

@@ -50,8 +52,6 @@
 GRAPH_FONT = "Prociono"
 #GRAPH_FONT = "URW Gothic L"

-# determine by zooming in an image viewer
-GRAPH_LEFT_MARGIN = 63

 # 1 hour
 CSRF_TIMEOUT = 3600
--- a/web/templog.py	Wed May 20 23:10:37 2015 +0800
+++ b/web/templog.py	Thu May 21 00:00:54 2015 +0800
@@ -11,6 +11,7 @@
 import os
 import traceback
 import fcntl
+import hashlib

 import bottle
 from bottle import route, request, response
@@ -23,12 +24,23 @@
 DATE_FORMAT = '%Y%m%d-%H.%M'
 ZOOM_SCALE = 2.0

+class TemplogBottle(bottle.Bottle):
+    def run(*args, **argm):
+        argm['server'] = 'gevent'
+        super(TemplogBottle, self).run(*args, **argm)
+        print "ran custom bottle"
+
+#bottle.default_app.push(TemplogBottle())
+
+secure.setup_csrf()
+
 @route('/update', method='post')
 def update():
     js_enc = request.forms.data
     mac = request.forms.hmac

-    if hmac.new(config.HMAC_KEY, js_enc).hexdigest() != mac:
+    h = hmac.new(config.HMAC_KEY, js_enc.strip(), hashlib.sha256).hexdigest()
+    if h != mac:
         raise bottle.HTTPError(code = 403, output = "Bad key")

     js = zlib.decompress(binascii.a2b_base64(js_enc))
@@ -39,15 +51,22 @@

     return "OK"

+def make_graph(length, end):
+    length_minutes = int(length)
+    end = datetime.strptime(end, DATE_FORMAT)
+    start = end - timedelta(minutes=length_minutes)
+
+    start_epoch = time.mktime(start.timetuple())
+    return log.graph_png(start_epoch, length_minutes * 60)
+
+def encode_data(data, mimetype):
+    return 'data:%s;base64,%s' % (mimetype, binascii.b2a_base64(data).rstrip())
+
+
 @route('/graph.png')
 def graph():
-    length_minutes = int(request.query.length)
-    end = datetime.strptime(request.query.end, DATE_FORMAT)
-    start = end - timedelta(minutes=length_minutes)
-
     response.set_header('Content-Type', 'image/png')
-    start_epoch = time.mktime(start.timetuple())
-    return log.graph_png(start_epoch, length_minutes * 60)
+    return make_graph(request.query.length, request.query.end)

 @route('/set/update', method='post')
 def set_update():
@@ -75,11 +94,6 @@
         csrf_blob = secure.get_csrf_blob(),
         allowed = allowed)

-@route('/set_current.json')
-def set_fresh():
-    response.set_header('Content-Type', 'application/javascript')
-    return log.get_current()
-
 @route('/')
 def top():

@@ -114,9 +128,12 @@
     request.query.replace('end', end.strftime(DATE_FORMAT))

     urlparams = urllib.urlencode(request.query)
+    graphdata = encode_data(make_graph(request.query.length, request.query.end), 'image/png')
     return bottle.template('top', urlparams=urlparams,
                     end = end.strftime(DATE_FORMAT),
-                    length = minutes)
+                    length = minutes,
+                    graphwidth = config.GRAPH_WIDTH,
+                    graphdata = graphdata)

 @route('/debug')
 def debuglog():
@@ -138,8 +155,6 @@
     response.set_header('Cache-Control', "public, max-age=1296000")
     return bottle.static_file(filename, root='static')

-secure.setup_csrf()
-
 def main():
     #bottle.debug(True)
     #bottle.run(reloader=True)
--- a/web/templog.wsgi	Wed May 20 23:10:37 2015 +0800
+++ b/web/templog.wsgi	Thu May 21 00:00:54 2015 +0800
@@ -1,3 +1,5 @@
+#from gevent import monkey; monkey.patch_all()
+
 import os
 import sys
 # Change working directory so relative paths (and template lookup) work again
--- a/web/views/top.tpl	Wed May 20 23:10:37 2015 +0800
+++ b/web/views/top.tpl	Thu May 21 00:00:54 2015 +0800
@@ -2,6 +2,7 @@
 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
 <head>
 <title>Wort Temperature Log</title>
+<meta name="viewport" content="width=device-width">
 <style type="text/css"><!--
 span.no_selection {
     -webkit-user-select: none; // webkit (safari, chrome) browsers
@@ -19,7 +20,7 @@
 </head>
 <body>
 <form action="" method="get">
-<span class="no_selection"><input type="image" style="width: 1200px" src="graph.png?{{urlparams}}"/></span>
+<span class="no_selection"><input type="image" style="width: {{graphwidth}}" src="{{graphdata}}"/></span>
 <input type="hidden" name="length" value="{{length}}"/>
 <input type="hidden" name="end" value="{{end}}"/>
 <input type="hidden" name="zoom" value="yeah"/>