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mirror of https://github.com/krateng/maloja.git synced 2023-08-10 21:12:55 +03:00
maloja/maloja/server.py
2022-05-26 14:56:04 +02:00

301 lines
7.2 KiB
Python

# technical
import sys
import os
from threading import Thread
from importlib import resources
import datauri
import time
# server stuff
from bottle import Bottle, static_file, request, response, FormsDict, redirect, BaseRequest, abort
import waitress
from jinja2.exceptions import TemplateNotFound
# doreah toolkit
from doreah.logging import log
from doreah import auth
# rest of the project
from . import database
from .database.jinjaview import JinjaDBConnection
from .images import resolve_track_image, resolve_artist_image
from .malojauri import uri_to_internal, remove_identical
from .pkg_global.conf import malojaconfig, data_dir
from .jinjaenv.context import jinja_environment
from .apis import init_apis, apikeystore
from .dev.profiler import profile
######
### TECHNICAL SETTINGS
#####
PORT = malojaconfig["PORT"]
HOST = malojaconfig["HOST"]
THREADS = 16
BaseRequest.MEMFILE_MAX = 15 * 1024 * 1024
#STATICFOLDER = importlib.resources.path(__name__,"web/static")
webserver = Bottle()
######
### ERRORS
#####
@webserver.error(400)
@webserver.error(403)
@webserver.error(404)
@webserver.error(405)
@webserver.error(408)
@webserver.error(500)
@webserver.error(503)
@webserver.error(505)
def customerror(error):
error_code = error.status_code
error_desc = error.status
traceback = error.traceback
body = error.body or ""
traceback = traceback.strip() if traceback is not None else "No Traceback"
adminmode = request.cookies.get("adminmode") == "true" and auth.check(request)
template = jinja_environment.get_template('error.jinja')
return template.render(
error_code=error_code,
error_desc=error_desc,
traceback=traceback,
error_full_desc=body,
adminmode=adminmode,
)
######
### REGISTERING ENDPOINTS
#####
aliases = {
"admin": "admin_overview",
"manual": "admin_manual",
"setup": "admin_setup",
"issues": "admin_issues"
}
### API
auth.authapi.mount(server=webserver)
init_apis(webserver)
# redirects for backwards compatibility
@webserver.get("/api/s/<pth:path>")
@webserver.post("/api/s/<pth:path>")
def deprecated_api_s(pth):
redirect("/apis/" + pth + "?" + request.query_string,308)
@webserver.get("/api/<pth:path>")
@webserver.post("/api/<pth:path>")
def deprecated_api(pth):
redirect("/apis/mlj_1/" + pth + "?" + request.query_string,308)
### STATIC
@webserver.route("/image")
def dynamic_image():
keys = FormsDict.decode(request.query)
if keys['type'] == 'track':
result = resolve_track_image(keys['id'])
elif keys['type'] == 'artist':
result = resolve_artist_image(keys['id'])
if result is None or result['value'] in [None,'']:
return ""
if result['type'] == 'raw':
# data uris are directly served as image because a redirect to a data uri
# doesnt work
duri = datauri.DataURI(result['value'])
response.content_type = duri.mimetype
return duri.data
if result['type'] == 'url':
redirect(result['value'],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):
ext = pth.split(".")[-1]
small_pth = pth + "-small"
if os.path.exists(data_dir['images'](small_pth)):
resp = static_file(small_pth,root=data_dir['images']())
else:
try:
from pyvips import Image
thumb = Image.thumbnail(data_dir['images'](pth),300)
thumb.webpsave(data_dir['images'](small_pth))
resp = static_file(small_pth,root=data_dir['images']())
except Exception:
resp = static_file(pth,root=data_dir['images']())
#response = static_file("images/" + pth,root="")
resp.set_header("Cache-Control", "public, max-age=86400")
resp.set_header("Content-Type", "image/" + ext)
return resp
@webserver.route("/login")
def login():
return auth.get_login_page()
# old
@webserver.route("/<name>.<ext>")
@webserver.route("/media/<name>.<ext>")
def static(name,ext):
assert ext in ["txt","ico","jpeg","jpg","png","less","js","ttf","css"]
with resources.files('maloja') / 'web' / 'static' as staticfolder:
response = static_file(ext + "/" + name + "." + ext,root=staticfolder)
response.set_header("Cache-Control", "public, max-age=3600")
return response
# new, direct reference
@webserver.route("/static/<path:path>")
def static(path):
with resources.files('maloja') / 'web' / 'static' as staticfolder:
response = static_file(path,root=staticfolder)
response.set_header("Cache-Control", "public, max-age=3600")
return response
# static files not supplied by the package
@webserver.get("/static_custom/<category>/<path:path>")
def static_custom(category,path):
rootpath = {
'css':data_dir['css']()
}
response = static_file(path,root=rootpath[category])
response.set_header("Cache-Control", "public, max-age=3600")
return response
### DYNAMIC
@profile
def jinja_page(name):
if name in aliases: redirect(aliases[name])
keys = remove_identical(FormsDict.decode(request.query))
adminmode = request.cookies.get("adminmode") == "true" and auth.check(request)
with JinjaDBConnection() as conn:
loc_context = {
"dbc":conn,
"adminmode":adminmode,
"apikey":request.cookies.get("apikey") if adminmode else None,
"apikeys":apikeystore,
"_urikeys":keys, #temporary!
}
loc_context["filterkeys"], loc_context["limitkeys"], loc_context["delimitkeys"], loc_context["amountkeys"], loc_context["specialkeys"] = uri_to_internal(keys)
try:
template = jinja_environment.get_template(name + '.jinja')
res = template.render(**loc_context)
except TemplateNotFound:
abort(404,f"Not found: '{name}'")
except (ValueError, IndexError):
abort(404,"This Artist or Track does not exist")
if malojaconfig["DEV_MODE"]: jinja_environment.cache.clear()
return res
@webserver.route("/<name:re:admin.*>")
@auth.authenticated
def jinja_page_private(name):
return jinja_page(name)
@webserver.route("/<name>")
def jinja_page_public(name):
return jinja_page(name)
@webserver.route("")
@webserver.route("/")
def mainpage():
return jinja_page("start")
# 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("/")))
######
### RUNNING THE SERVER
#####
# warning interception
import logging
class WaitressLogHandler():
def __init__(self):
self.lastwarned = 0
self.barrier = 5
self.level = 20
self.filters = []
def handle(self,record):
if record.name == 'waitress.queue':
now = time.time()
depth = record.args[0]
if depth > self.barrier:
log(f"Waitress Task Queue Depth at {depth}")
self.lastwarned = now
self.barrier = max(depth,self.barrier+5)
elif now - self.lastwarned > 5:
self.barrier = max(5,self.barrier-5)
else:
log(f"Waitress: {record.msg % record.args}")
logging.getLogger().addHandler(WaitressLogHandler())
def run_server():
log("Starting up Maloja server...")
## start database
Thread(target=database.start_db).start()
try:
#run(webserver, host=HOST, port=MAIN_PORT, server='waitress')
listen = f"{HOST}:{PORT}"
log(f"Listening on {listen}")
waitress.serve(webserver, listen=listen, threads=THREADS)
except OSError:
log("Error. Is another Maloja process already running?")
raise