Mercurial > templog
annotate web/templog.py @ 579:4a6e75ed2ed4
fix gpio chown script
| author | Matt Johnston <matt@ucc.asn.au> |
|---|---|
| date | Mon, 30 Nov 2015 21:40:45 +0800 |
| parents | 2773400f9d64 |
| children | 788d713f6b87 6bacd8ca9f8f |
| rev | line source |
|---|---|
| 333 | 1 #!/usr/bin/env python2.7 |
| 2 | |
| 334 | 3 import binascii |
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4 import json |
| 334 | 5 import hmac |
| 335 | 6 import zlib |
| 375 | 7 from datetime import datetime, timedelta |
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8 import time |
| 375 | 9 import urllib |
| 10 import sys | |
| 482 | 11 import os |
| 485 | 12 import traceback |
| 13 import fcntl | |
| 541 | 14 import hashlib |
| 334 | 15 |
| 333 | 16 import bottle |
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17 from bottle import route, request, response |
| 333 | 18 |
| 334 | 19 import config |
| 20 import log | |
| 485 | 21 import secure |
| 489 | 22 import atomicfile |
| 334 | 23 |
| 375 | 24 DATE_FORMAT = '%Y%m%d-%H.%M' |
| 25 ZOOM_SCALE = 2.0 | |
| 26 | |
| 539 | 27 class TemplogBottle(bottle.Bottle): |
| 28 def run(*args, **argm): | |
| 29 argm['server'] = 'gevent' | |
| 30 super(TemplogBottle, self).run(*args, **argm) | |
| 31 | |
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32 bottle.default_app.push(TemplogBottle()) |
| 539 | 33 |
| 34 secure.setup_csrf() | |
| 35 | |
| 333 | 36 @route('/update', method='post') |
| 37 def update(): | |
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38 js_enc = request.forms.data |
| 334 | 39 mac = request.forms.hmac |
| 40 | |
| 541 | 41 h = hmac.new(config.HMAC_KEY, js_enc.strip(), hashlib.sha256).hexdigest() |
| 42 if h != mac: | |
| 391 | 43 raise bottle.HTTPError(code = 403, output = "Bad key") |
| 334 | 44 |
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45 js = zlib.decompress(binascii.a2b_base64(js_enc)) |
| 334 | 46 |
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47 params = json.loads(js) |
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48 |
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49 log.parse(params) |
| 334 | 50 |
| 51 return "OK" | |
| 333 | 52 |
| 542 | 53 def make_graph(length, end): |
| 54 length_minutes = int(length) | |
| 55 end = datetime.strptime(end, DATE_FORMAT) | |
| 56 start = end - timedelta(minutes=length_minutes) | |
| 57 | |
| 58 start_epoch = time.mktime(start.timetuple()) | |
| 59 return log.graph_png(start_epoch, length_minutes * 60) | |
| 60 | |
| 61 def encode_data(data, mimetype): | |
| 62 return 'data:%s;base64,%s' % (mimetype, binascii.b2a_base64(data).rstrip()) | |
| 63 | |
| 333 | 64 @route('/graph.png') |
| 65 def graph(): | |
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66 response.set_header('Content-Type', 'image/png') |
| 549 | 67 minutes, endstr = get_request_zoom() |
| 68 return make_graph(minutes, endstr) | |
| 333 | 69 |
| 487 | 70 @route('/set/update', method='post') |
| 492 | 71 def set_update(): |
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72 if not secure.check_user_hash(config.ALLOWED_USERS): |
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73 # the "Save" button should be disabled if the cert wasn't |
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74 # good |
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75 response.status = 403 |
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76 return "No cert, dodginess" |
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77 |
| 487 | 78 post_json = json.loads(request.forms.data) |
| 79 | |
| 80 csrf_blob = post_json['csrf_blob'] | |
| 81 | |
| 492 | 82 if not secure.check_csrf_blob(csrf_blob): |
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83 response.status = 403 |
| 492 | 84 return "Bad csrf" |
| 85 | |
| 86 ret = log.update_params(post_json['params']) | |
| 87 if not ret is True: | |
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88 response.status = 409 # Conflict |
| 492 | 89 return ret |
| 90 | |
| 91 return "Good" | |
| 487 | 92 |
| 482 | 93 @route('/set') |
| 94 def set(): | |
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95 allowed = ["false", "true"][secure.check_user_hash(config.ALLOWED_USERS)] |
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96 response.set_header('Cache-Control', 'no-cache') |
| 485 | 97 return bottle.template('set', |
| 98 inline_data = log.get_params(), | |
| 488 | 99 csrf_blob = secure.get_csrf_blob(), |
| 100 allowed = allowed) | |
| 482 | 101 |
| 549 | 102 def get_request_zoom(): |
| 103 """ returns (length, end) tuple. | |
| 104 length is in minutes, end is a DATE_FORMAT string """ | |
| 375 | 105 minutes = int(request.query.get('length', 26*60)) |
| 106 | |
| 107 if 'end' in request.query: | |
| 108 end = datetime.strptime(request.query.end, DATE_FORMAT) | |
| 109 else: | |
| 110 end = datetime.now() | |
| 111 | |
| 112 if 'zoom' in request.query: | |
| 113 orig_start = end - timedelta(minutes=minutes) | |
| 114 orig_end = end | |
| 548 | 115 scale = float(request.query.scaledwidth) / config.GRAPH_WIDTH |
| 116 xpos = int(request.query.x) / scale | |
| 383 | 117 xpos -= config.GRAPH_LEFT_MARGIN * config.ZOOM |
| 375 | 118 |
| 383 | 119 if xpos >= 0 and xpos < config.GRAPH_WIDTH * config.ZOOM: |
| 375 | 120 click_time = orig_start \ |
| 383 | 121 + timedelta(minutes=(float(xpos) / (config.GRAPH_WIDTH * config.ZOOM)) * minutes) |
| 375 | 122 minutes = int(minutes / ZOOM_SCALE) |
| 123 | |
| 563 | 124 end = click_time + timedelta(minutes=minutes//2) |
| 375 | 125 else: |
| 126 # zoom out | |
| 127 minutes = int(minutes*ZOOM_SCALE) | |
| 563 | 128 end += timedelta(minutes=minutes//2) |
| 375 | 129 |
| 130 if end > datetime.now(): | |
| 131 end = datetime.now() | |
| 549 | 132 |
| 133 endstr = end.strftime(DATE_FORMAT) | |
| 134 return (minutes, endstr) | |
| 135 | |
| 136 @route('/') | |
| 137 def top(): | |
| 138 minutes, endstr = get_request_zoom() | |
| 139 | |
| 375 | 140 request.query.replace('length', minutes) |
| 549 | 141 request.query.replace('end', endstr) |
| 375 | 142 |
| 143 urlparams = urllib.urlencode(request.query) | |
| 549 | 144 graphdata = encode_data(make_graph(minutes, endstr), 'image/png') |
| 375 | 145 return bottle.template('top', urlparams=urlparams, |
| 549 | 146 end = endstr, |
| 542 | 147 length = minutes, |
| 148 graphwidth = config.GRAPH_WIDTH, | |
| 149 graphdata = graphdata) | |
| 333 | 150 |
| 409 | 151 @route('/debug') |
| 152 def debuglog(): | |
| 153 response.set_header('Content-Type', 'text/plain') | |
| 154 return log.tail_debug_log() | |
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155 |
| 482 | 156 @route('/env') |
| 157 def env(): | |
| 158 response.set_header('Content-Type', 'text/plain') | |
| 488 | 159 #return '\n'.join(traceback.format_stack()) |
| 160 return '\n'.join(("%s %s" % k) for k in request.environ.items()) | |
| 482 | 161 #return str(request.environ) |
| 162 #yield "\n" | |
| 163 #var_lookup = environ['mod_ssl.var_lookup'] | |
| 164 #return var_lookup("SSL_SERVER_I_DN_O") | |
| 165 | |
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166 @route('/h') |
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167 def headers(): |
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168 response.set_header('Content-Type', 'text/plain') |
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169 return '\n'.join("%s: %s" % x for x in request.headers.items()) |
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170 |
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171 @route('/get_settings') |
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172 def get_settings(): |
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173 response.set_header('Cache-Control', 'no-cache') |
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174 req_etag = request.headers.get('etag', None) |
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175 if req_etag: |
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176 # wait for it to change |
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177 # XXX this is meant to return True if it has been woken up |
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178 # but it isn't working. Instead compare epochtag below. |
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179 log.fridge_settings.wait(req_etag, timeout=config.LONG_POLL_TIMEOUT) |
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180 |
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181 contents, epoch_tag = log.fridge_settings.get() |
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182 if epoch_tag == req_etag: |
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183 response.status = 304 |
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184 return "Nothing happened" |
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185 |
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186 response.set_header('Content-Type', 'application/json') |
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187 return json.dumps({'params': contents, 'epoch_tag': epoch_tag}) |
| 552 | 188 |
| 482 | 189 @bottle.get('/<filename:re:.*\.js>') |
| 190 def javascripts(filename): | |
| 485 | 191 response.set_header('Cache-Control', "public, max-age=1296000") |
| 482 | 192 return bottle.static_file(filename, root='static') |
| 193 | |
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194 |
| 333 | 195 def main(): |
| 552 | 196 """ for standalone testing """ |
| 367 | 197 #bottle.debug(True) |
| 198 #bottle.run(reloader=True) | |
| 199 bottle.run(server='cgi', reloader=True) | |
| 346 | 200 #bottle.run(port=9999, reloader=True) |
| 333 | 201 |
| 202 if __name__ == '__main__': | |
| 203 main() | |
| 204 |