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maloja/maloja/server.py
2020-01-10 22:51:50 +01:00

283 lines
8.4 KiB
Python
Executable File

#!/usr/bin/env python
import os
from .globalconf import datadir, DATA_DIR
# server stuff
from bottle import Bottle, route, get, post, error, run, template, static_file, request, response, FormsDict, redirect, template, HTTPResponse, BaseRequest
import waitress
# monkey patching
from . import monkey
# rest of the project
from . import database
from . import htmlmodules
from . import htmlgenerators
from . import malojatime
from . import utilities
from .utilities import resolveImage
from .urihandler import uri_to_internal, remove_identical
from . import urihandler
from . import globalconf
# doreah toolkit
from doreah import settings
from doreah.logging import log
from doreah.timing import Clock
from doreah.pyhp import file as pyhpfile
# technical
#from importlib.machinery import SourceFileLoader
import importlib
import _thread
import sys
import signal
import os
import setproctitle
import pkg_resources
# url handling
import urllib
#settings.config(files=["settings/default.ini","settings/settings.ini"])
#settings.update("settings/default.ini","settings/settings.ini")
MAIN_PORT = settings.get_settings("WEB_PORT")
HOST = settings.get_settings("HOST")
THREADS = 12
BaseRequest.MEMFILE_MAX = 15 * 1024 * 1024
WEBFOLDER = pkg_resources.resource_filename(__name__,"web")
STATICFOLDER = pkg_resources.resource_filename(__name__,"static")
DATAFOLDER = DATA_DIR
webserver = Bottle()
pthjoin = os.path.join
def generate_css():
import lesscpy
from io import StringIO
less = ""
for f in os.listdir(pthjoin(STATICFOLDER,"less")):
with open(pthjoin(STATICFOLDER,"less",f),"r") as lessf:
less += lessf.read()
css = lesscpy.compile(StringIO(less),minify=True)
return css
css = generate_css()
#os.makedirs("web/css",exist_ok=True)
#with open("web/css/style.css","w") as f:
# f.write(css)
@webserver.route("")
@webserver.route("/")
def mainpage():
response = static_html("start")
return response
@webserver.error(400)
@webserver.error(403)
@webserver.error(404)
@webserver.error(405)
@webserver.error(408)
@webserver.error(500)
@webserver.error(505)
def customerror(error):
code = int(str(error).split(",")[0][1:])
if os.path.exists(pthjoin(WEBFOLDER,"errors",str(code) + ".pyhp")):
return pyhpfile(pthjoin(WEBFOLDER,"errors",str(code) + ".pyhp"),{"errorcode":code})
else:
return pyhpfile(pthjoin(WEBFOLDER,"errors","generic.pyhp"),{"errorcode":code})
def graceful_exit(sig=None,frame=None):
#urllib.request.urlopen("http://[::1]:" + str(DATABASE_PORT) + "/sync")
log("Received signal to shutdown")
try:
database.sync()
except Exception as e:
log("Error while shutting down!",e)
log("Server shutting down...")
os._exit(42)
@webserver.route("/image")
def dynamic_image():
keys = FormsDict.decode(request.query)
relevant, _, _, _ = uri_to_internal(keys)
result = resolveImage(**relevant)
if result == "": return ""
redirect(result,307)
@webserver.route("/images/<pth:re:.*\\.jpeg>")
@webserver.route("/images/<pth:re:.*\\.jpg>")
@webserver.route("/images/<pth:re:.*\\.png>")
@webserver.route("/images/<pth:re:.*\\.gif>")
def static_image(pth):
if globalconf.USE_THUMBOR:
return static_file(pthjoin("images",pth),root=DATAFOLDER)
type = pth.split(".")[-1]
small_pth = pth + "-small"
if os.path.exists(datadir("images",small_pth)):
response = static_file(pthjoin("images",small_pth),root=DATAFOLDER)
else:
try:
from wand.image import Image
img = Image(filename=datadir("images",pth))
x,y = img.size[0], img.size[1]
smaller = min(x,y)
if smaller > 300:
ratio = 300/smaller
img.resize(int(ratio*x),int(ratio*y))
img.save(filename=datadir("images",small_pth))
response = static_file(pthjoin("images",small_pth),root=DATAFOLDER)
else:
response = static_file(pthjoin("images",pth),root=DATAFOLDER)
except:
response = static_file(pthjoin("images",pth),root=DATAFOLDER)
#response = static_file("images/" + pth,root="")
response.set_header("Cache-Control", "public, max-age=86400")
response.set_header("Content-Type", "image/" + type)
return response
@webserver.route("/style.css")
def get_css():
response.content_type = 'text/css'
return css
@webserver.route("/<name>.<ext>")
def static(name,ext):
assert ext in ["txt","ico","jpeg","jpg","png","less","js"]
response = static_file(ext + "/" + name + "." + ext,root=STATICFOLDER)
response.set_header("Cache-Control", "public, max-age=3600")
return response
@webserver.route("/media/<name>.<ext>")
def static(name,ext):
assert ext in ["ico","jpeg","jpg","png"]
response = static_file(ext + "/" + name + "." + ext,root=STATICFOLDER)
response.set_header("Cache-Control", "public, max-age=3600")
return response
@webserver.route("/<name>")
def static_html(name):
linkheaders = ["</style.css>; rel=preload; as=style"]
keys = remove_identical(FormsDict.decode(request.query))
pyhp_file = os.path.exists(pthjoin(WEBFOLDER,name + ".pyhp"))
html_file = os.path.exists(pthjoin(WEBFOLDER,name + ".html"))
pyhp_pref = settings.get_settings("USE_PYHP")
adminmode = request.cookies.get("adminmode") == "true" and database.checkAPIkey(request.cookies.get("apikey")) is not False
clock = Clock()
clock.start()
# if a pyhp file exists, use this
if (pyhp_file and pyhp_pref) or (pyhp_file and not html_file):
#things we expose to the pyhp pages
environ = {
"adminmode":adminmode,
"apikey":request.cookies.get("apikey") if adminmode else None,
# maloja
"db": database,
"htmlmodules": htmlmodules,
"htmlgenerators": htmlgenerators,
"malojatime": malojatime,
"utilities": utilities,
"urihandler": urihandler,
"settings": settings.get_settings,
# external
"urllib": urllib
}
# request
environ["filterkeys"], environ["limitkeys"], environ["delimitkeys"], environ["amountkeys"] = uri_to_internal(keys)
environ["_urikeys"] = keys #temporary!
#response.set_header("Content-Type","application/xhtml+xml")
res = pyhpfile(pthjoin(WEBFOLDER,name + ".pyhp"),environ)
log("Generated page {name} in {time}s (PYHP)".format(name=name,time=clock.stop()),module="debug")
return res
# if not, use the old way
else:
with open(pthjoin(WEBFOLDER,name + ".html")) as htmlfile:
html = htmlfile.read()
# apply global substitutions
with open(pthjoin(WEBFOLDER,"common/footer.html")) as footerfile:
footerhtml = footerfile.read()
with open(pthjoin(WEBFOLDER,"common/header.html")) as headerfile:
headerhtml = headerfile.read()
html = html.replace("</body>",footerhtml + "</body>").replace("</head>",headerhtml + "</head>")
# If a python file exists, it provides the replacement dict for the html file
if os.path.exists(pthjoin(WEBFOLDER,name + ".py")):
#txt_keys = SourceFileLoader(name,"web/" + name + ".py").load_module().replacedict(keys,DATABASE_PORT)
try:
module = importlib.import_module(".web." + name,package="maloja")
txt_keys,resources = module.instructions(keys)
except Exception as e:
log("Error in website generation: " + str(sys.exc_info()),module="error")
raise
# add headers for server push
for resource in resources:
if all(ord(c) < 128 for c in resource["file"]):
# we can only put ascii stuff in the http header
linkheaders.append("<" + resource["file"] + ">; rel=preload; as=" + resource["type"])
# apply key substitutions
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])
response.set_header("Link",",".join(linkheaders))
log("Generated page " + name + " in " + str(clock.stop()) + "s (Python+HTML)",module="debug")
return html
#return static_file("web/" + name + ".html",root="")
# Shortlinks
@webserver.get("/artist/<artist>")
def redirect_artist(artist):
redirect("/artist?artist=" + artist)
@webserver.get("/track/<artists:path>/<title>")
def redirect_track(artists,title):
redirect("/track?title=" + title + "&" + "&".join("artist=" + artist for artist in artists.split("/")))
#set graceful shutdown
signal.signal(signal.SIGINT, graceful_exit)
signal.signal(signal.SIGTERM, graceful_exit)
#rename process, this is now required for the daemon manager to work
setproctitle.setproctitle("Maloja")
## start database
database.start_db()
database.dbserver.mount(server=webserver)
log("Starting up Maloja server...")
#run(webserver, host=HOST, port=MAIN_PORT, server='waitress')
waitress.serve(webserver, host=HOST, port=MAIN_PORT, threads=THREADS)