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maloja/server.py

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#!/usr/bin/env python
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from bottle import Bottle, route, get, post, error, run, template, static_file, request, response, FormsDict, redirect, template
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from importlib.machinery import SourceFileLoader
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from htmlgenerators import removeIdentical
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from utilities import *
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import _thread
import waitress
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import urllib.request
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import urllib.parse
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from urllib.error import *
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import sys
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import signal
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import os
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import setproctitle
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MAIN_PORT = 42010
DATABASE_PORT = 42011
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webserver = Bottle()
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@webserver.route("")
@webserver.route("/")
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def mainpage():
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return static_html("start")
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# this is the fallback option. If you run this service behind a reverse proxy, it is recommended to rewrite /db/ requests to the port of the db server
# e.g. location /db { rewrite ^/db(.*)$ $1 break; proxy_pass http://yoururl:12349; }
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@webserver.get("/db/<pth:path>")
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def database_get(pth):
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keys = FormsDict.decode(request.query) # The Dal★Shabet handler
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keystring = "?"
for k in keys:
keystring += urllib.parse.quote(k) + "=" + urllib.parse.quote(keys[k]) + "&"
response.set_header("Access-Control-Allow-Origin","*")
try:
proxyresponse = urllib.request.urlopen("http://localhost:" + str(DATABASE_PORT) + "/" + pth + keystring)
contents = proxyresponse.read()
response.status = proxyresponse.getcode()
response.content_type = "application/json"
return contents
except HTTPError as e:
response.status = e.code
return
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@webserver.post("/db/<pth:path>")
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def database_post(pth):
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response.set_header("Access-Control-Allow-Origin","*")
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try:
proxyresponse = urllib.request.urlopen("http://localhost:" + str(DATABASE_PORT) + "/" + pth,request.body)
contents = proxyresponse.read()
response.status = proxyresponse.getcode()
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response.content_type = "application/json"
return contents
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except HTTPError as e:
response.status = e.code
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return
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return
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def graceful_exit(sig=None,frame=None):
urllib.request.urlopen("http://[::1]:" + str(DATABASE_PORT) + "/sync")
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log("Server shutting down...")
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os._exit(42)
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@webserver.route("/images/<pth:re:.*\\.jpeg>")
@webserver.route("/images/<pth:re:.*\\.jpg>")
@webserver.route("/images/<pth:re:.*\\.png>")
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def static_image(pth):
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return static_file("images/" + pth,root="")
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@webserver.route("/<name:re:.*\\.html>")
@webserver.route("/<name:re:.*\\.js>")
@webserver.route("/<name:re:.*\\.css>")
@webserver.route("/<name:re:.*\\.png>")
@webserver.route("/<name:re:.*\\.jpeg>")
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@webserver.route("/<name:re:.*\\.ico>")
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def static(name):
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return static_file("website/" + name,root="")
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@webserver.route("/<name>")
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def static_html(name):
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keys = removeIdentical(FormsDict.decode(request.query))
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# If a python file exists, it provides the replacement dict for the html file
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if os.path.exists("website/" + name + ".py"):
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txt_keys = SourceFileLoader(name,"website/" + name + ".py").load_module().replacedict(keys,DATABASE_PORT)
with open("website/" + name + ".html") as htmlfile:
html = htmlfile.read()
for k in txt_keys:
if isinstance(txt_keys[k],list):
# if list, we replace each occurence with the next item
for element in txt_keys[k]:
html = html.replace(k,element,1)
else:
html = html.replace(k,txt_keys[k])
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return html
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# Otherwise, we just serve the html file
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return static_file("website/" + name + ".html",root="")
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#set graceful shutdown
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signal.signal(signal.SIGINT, graceful_exit)
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signal.signal(signal.SIGTERM, graceful_exit)
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#rename process, this is now required for the daemon manager to work
setproctitle.setproctitle("Maloja")
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## start database server
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_thread.start_new_thread(SourceFileLoader("database","database.py").load_module().runserver,(DATABASE_PORT,))
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run(webserver, host='::', port=MAIN_PORT, server='waitress')