386 lines
14 KiB
Python
Executable File
386 lines
14 KiB
Python
Executable File
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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#
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import sys, os, base64, toml
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import http.client, ssl
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import xml.etree.ElementTree as ET
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from flask import Flask, render_template, request, make_response, jsonify
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from waitress import serve
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app = Flask(__name__)
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# Load config defaults, then look for other config files
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app.config.from_file("defaults.toml", load=toml.load)
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config_locations = ["./", "~/.", "~/.config/"]
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for location in config_locations:
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# Optional config files, ~ is expanded to $HOME on *nix, %USERPROFILE% on windows
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# ~ app.config.from_file("videopi.toml", load=toml.load, silent=True)
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if app.config.from_file(os.path.expanduser( location + "pilpil-server.toml"), load=toml.load, silent=True):
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print("Found configuration file in " + os.path.expanduser( location ))
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# ~ app.config.from_file(os.path.expanduser("~/.config/videopi.toml"), load=toml.load, silent=True)
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###
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hosts_available, hosts_unavailable = [],[]
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# Map vlc cmds
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# See https://github.com/videolan/vlc/blob/1336447566c0190c42a1926464fa1ad2e59adc4f/share/lua/http/requests/README.txt
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cmd_player = {
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"play" : "pl_play",
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"resume" : "pl_forceresume",
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"pause" : "pl_forcepause",
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"tpause" : "pl_pause",
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"previous" : "pl_previous",
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"next" : "pl_next",
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"stop" : "pl_stop",
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"enqueue" : "in_enqueue",
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"add" : "in_play",
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"clear" : "pl_empty",
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"delete" : "pl_delete",
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"loop" : "pl_loop",
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"repeat" : "pl_repeat",
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"random" : "pl_random",
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"move" : "pl_move",
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"sort" : "pl_sort",
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"seek" : "seek",
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"sync" : "sync",
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"status" : "status.xml",
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"list" : "playlist.xml",
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#"volume" : "volume",
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#"ratio" : "aspectratio",
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#"dir" : "?dir=<uri>",
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#"command" : "?command=<cmd>",
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#"key" : "key=",
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#"browse" : "browse.xml?uri=file://~"
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# System commands :
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# ~ "rssi" : "rssi",
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# ~ "blink" : "blink",
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# ~ "poweroff" : "poweroff",
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# ~ "reboot" : "reboot",
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}
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cmd_server = ["blink", "reboot", "poweroff", "rssi"]
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# Set configuration
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DEBUG = app.config['DEFAULT']['DEBUG']
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media_folder_remote = app.config['DEFAULT']['media_folder_remote']
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media_folder_local = os.path.expanduser(app.config['DEFAULT']['media_folder_local'])
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media_exts = app.config['DEFAULT']['media_exts']
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auth = str(base64.b64encode(str(":" + app.config['DEFAULT']['auth']).encode('utf-8')), 'utf-8')
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cmd_auth = str(base64.b64encode(str(":" + app.config['DEFAULT']['cmd_auth']).encode('utf-8')), 'utf-8')
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hosts = app.config['DEFAULT']['hosts']
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port = app.config['DEFAULT']['port']
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cmd_port = app.config['DEFAULT']['cmd_port']
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useSSL = app.config['DEFAULT']['useSSL']
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CAfile = app.config['DEFAULT']['CAfile']
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sync_facility = app.config['DEFAULT']['sync_facility']
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headers = {"Authorization":"Basic " + auth}
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# Network/link utilities
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# https://www.metageek.com/training/resources/understanding-rssi/
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def isup(host_l, port):
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global DEBUG
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import socket
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s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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if useSSL:
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sslcontext = ssl.create_default_context()
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# ~ if os.path.exists(CAfile):
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# ~ sslcontext.load_verify_locations(cafile=CAfile)
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# ~ else:
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# Dont validate cert, we juts want to see if host is live
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sslcontext.check_hostname = False
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sslcontext.verify_mode = ssl.CERT_NONE
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s = sslcontext.wrap_socket(s, server_hostname=host_l)
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try:
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s.settimeout(3.0)
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s.connect((host_l, port))
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if DEBUG:
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print( "Port " + str(port) + " reachable")
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return 1
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except (socket.error, socket.timeout) as e:
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if DEBUG:
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print("Error on connection to " + host_l + ":" + str(port) + ": %s" % e)
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return 0
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finally:
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s.close()
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def checkHosts(host_l):
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hostdown, hostup = [], []
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hosts_number = str(len(host_l))
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for lhost in host_l:
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if not isup(lhost, port):
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hostdown.append(lhost)
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else:
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hostup.append(lhost)
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if DEBUG:
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print( str(len(hostup)) + " of " + hosts_number + " hosts found.")
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return hostup, hostdown
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# File utilities
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def listMediaFiles(folder):
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if os.path.exists(folder):
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files = os.listdir(folder);
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medias = []
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for fd in files:
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if len(fd.split('.')) > 1:
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if fd.split('.')[1] in media_exts:
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medias.append(fd)
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return medias
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else:
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return []
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def httpUpload(filename, hostl, trailing_slash=1):
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import requests
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url = "https://" + hostl + ":" + str(cmd_port) + "/upload"
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if not trailing_slash:
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filename = "/" + filename
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files = { "file":( filename, open( media_folder_local + filename, "rb"), "multipart/form-data") }
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if DEBUG:
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print(files)
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resp = requests.post(url, files=files, headers=headers, verify=CAfile)
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if DEBUG:
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print(resp.text)
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if resp.ok:
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return 1
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else:
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return 0
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def syncMediaFolder(media_folder_local, media_folder_remote, hostl, sync_facility=sync_facility):
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trailing_slash = 1
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# Check for trailing / and add it if missing
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if media_folder_local[-1:] != "/":
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media_folder_local += "/"
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trailing_slash = 0
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if media_folder_remote[-1:] != "/":
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media_folder_remote += "/"
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if sync_facility == "http":
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media_list = listMediaFiles(media_folder_local)
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transfer_ok = 0
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for media in media_list:
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transfer_ok += httpUpload(media, hostl, trailing_slash)
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return str(transfer_ok) + " files uploaded."
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# Check sync utility exists
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elif which(sync_facility):
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from shutil import whichdb
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# Build subprocess arg list accroding to facility
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if sync_facility == "rsync":
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scrape_str = "total size is "
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sync_args = [sync_facility, "-zharm", "--include='*/'"]
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for media_type in media_exts:
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sync_args.append( "--include='*." + media_type + "'" )
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sync_args.extend(["--exclude='*'", media_folder_local, hostl + ":" + media_folder_remote])
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if sync_facility == "scp":
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media_list = listMediaFiles(media_folder_local)
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sync_args = [sync_facility, "-Crp", "-o IdentitiesOnly=yes"]
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for media in media_list:
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sync_args.append( media_folder_local + media )
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sync_args.append( hostl + ":" + media_folder_remote )
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sync_proc = subprocess.run( sync_args , capture_output=True)
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if len(sync_proc.stdout):
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scrape_index = str(sync_proc.stdout).index(scrape_str)+len(scrape_str)
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total_size = str(sync_proc.stdout)[ scrape_index: ].split(" ")[0][:-1]
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else:
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total_size = "N/A";
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return total_size
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# /requests/status.xml?command=in_enqueue&input=file:///home/pi/tst1.mp4
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def writeM3U(m3u_content : str, host : str):
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filename = host.replace(".", "_") + ".m3u"
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fd = open(filename, "w")
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fd.write(m3u_content)
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fd.close()
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return 1
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# String utilities
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def escapeStr(uri):
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return uri.replace(" ", "%20")
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def sec2min(duration):
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return('%02d:%02d' % (duration / 60, duration % 60))
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# VLC lua utilities
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def sendCommand(host, arg0, arg1, arg2):
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portl = port
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# Build request
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req = "/requests/status.xml"
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if arg0 == "list" :
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req = "/requests/playlist.xml"
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elif arg0 in cmd_server:
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req = "/" + str(arg0)
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portl = cmd_port
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elif arg0 != "status" :
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req = req + "?command=" + cmd_player[arg0]
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if arg1 != "null" :
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if (arg0 == "play") or (arg0 == "delete") or (arg0 == "sort") or (arg0 == "move"):
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req = req + "&id=" + arg1
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if (arg0 == "sort") or (arg0 == "move") :
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# val possible values : id, title, title nodes first, artist, genre, random, duration, title numeric, album
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# https://github.com/videolan/vlc/blob/3.0.17.4/modules/lua/libs/playlist.c#L353-L362
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req = req + "&val=" + escapeStr(arg2)
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elif arg0 == "seek" :
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req = req + "&val=" + arg1
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elif (arg0 == "enqueue") or (arg0 == "add") :
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req = req + "&input=file://" + media_folder_remote + "/" + arg1
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# Send request
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if useSSL:
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sslcontext = ssl.create_default_context()
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if os.path.exists(CAfile):
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sslcontext.load_verify_locations(cafile=CAfile)
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else:
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sslcontext.check_hostname = False
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sslcontext.verify_mode = ssl.CERT_NONE
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conn = http.client.HTTPSConnection( host + ":" + str(portl), timeout=3, context = sslcontext )
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else:
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conn = http.client.HTTPConnection( host + ":" + str(portl), timeout=3 )
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try:
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conn.request( "GET", req, headers = headers )
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resp = conn.getresponse()
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data = resp.read()
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except http.client.HTTPException:
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print("Connection to " + host + " timed out")
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return "Connection to " + host + " timed out"
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except:
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return "Error while connecting to " + host + ":" + str(portl)
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finally:
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conn.close()
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# Parse response
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# ~ data = resp.read()
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if arg0 == "rssi":
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if DEBUG:
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print(data)
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response_dict = {
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'host': host,
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'rssi': str(data, 'UTF-8')
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}
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return response_dict
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xml = ET.fromstring(data)
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if arg0 != "list" :
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meta = xml.findall("./information/category/")
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if meta:
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for leaf in meta:
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if leaf.get("name") == "filename":
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filename = leaf.text
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else:
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filename = "N/A"
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cur_length = int(xml.find('length').text)
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cur_time = int(xml.find('time').text)
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cur_length_fmtd = sec2min(cur_length)
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cur_time_fmtd = sec2min(cur_time)
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cur_id = int(xml.find('currentplid').text)
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cur_pos = xml.find('position').text
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cur_loop = xml.find('loop').text
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cur_repeat = xml.find('repeat').text
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response_dict = {
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'host': host,
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'file': filename,
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'time': cur_time_fmtd,
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'leng': cur_length_fmtd,
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'pos': cur_pos,
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'loop': cur_loop,
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'repeat': cur_repeat,
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# ~ 'pos': xml.find('position').text,
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# ~ 'loop': xml.find('loop').text,
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# ~ 'repeat': xml.find('repeat').text,
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'id': cur_id,
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}
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return response_dict
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else:
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# Build M3U file from playlist
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playlist = []
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playlist_duration = 0
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m3u_hdr = "#EXTM3U\n"
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m3u_prefix = "#EXTINF:"
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item_list = []
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if xml.find("./node") and xml.find("./node").get('name') == "Playlist":
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m3u_content = m3u_hdr
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playlist = xml.findall("./node/leaf")
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#item_list = []
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for item in playlist:
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m3u_content += m3u_prefix + item.get("duration") + ", " + item.get("name") + "\n" + item.get("uri") + "\n"
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playlist_duration += int(item.get("duration"))
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# ~ item_info = item.get("id") + " : " + item.get("name") + " - " + sec2min( int( item.get("duration") ) )
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item_info = item.get("id") + ";" + item.get("name") + ";" + sec2min( int( item.get("duration") ) ) + ";"
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if "current" in item.keys():
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item_info += item.get("current")
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item_list.append(item_info)
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playlist_overview = {
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"host" : host,
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"leng" : str(len(playlist)),
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"duration" : sec2min(playlist_duration),
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"items" : item_list
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}
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return playlist_overview
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status_message = "Idle"
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@app.route("/")
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def main():
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global hosts
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status_message = "Searching network for live hosts..."
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# ~ hosts_available, hosts_unavailable = checkHosts(hosts)
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templateData = {
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'hosts' : hosts,
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'status_message' : status_message
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}
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return render_template('main.html', **templateData)
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@app.route("/scan")
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def scan():
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global hosts_available, hosts_unavailable
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hosts_available, hosts_unavailable = checkHosts(hosts)
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hosts_status = [hosts_available, hosts_unavailable]
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return hosts_status
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@app.route("/browse")
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def browse():
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files = listMediaFiles(media_folder_local)
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return files;
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@app.route("/sync/<host>")
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def sync(host):
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if host == "all":
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for hostl in hosts_available:
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size = syncMediaFolder(media_folder_local, media_folder_remote, hostl)
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else:
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size = syncMediaFolder(media_folder_local, media_folder_remote, host)
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return size;
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@app.route("/<host>/<arg0>/", defaults = { "arg1": "null", "arg2": "null" })
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@app.route("/<host>/<arg0>/<arg1>/", defaults = { "arg2": "null" })
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@app.route("/<host>/<arg0>/<arg1>/<arg2>")
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def action(host, arg0, arg1, arg2):
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status_message = "Idle"
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if (arg0 not in cmd_player) and (arg0 not in cmd_server):
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status_message = "<p>Wrong command</p>"
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elif host == "all":
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resp = []
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for hostl in hosts_available:
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resp.append( sendCommand(hostl, arg0, arg1, arg2) )
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status_message = resp
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elif host not in hosts_available:
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status_message = "<p>Host is not reachable</p>"
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else:
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status_message = sendCommand(host, arg0, arg1, arg2)
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if DEBUG:
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print(status_message)
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return status_message
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if __name__ == '__main__':
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# ~ app.run()
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serve(app, host='127.0.0.1', port=8080) |