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hbue.py 18.23 KiB
#!/usr/bin/python3
# software for simple digital signage for astabeamer
# based on:
# HBUE, Antonio Ragagnin (2014)
#
# HBUE is an HTTP(S) Browse+Upload+Execute server.
# This tool runs an HTTP (or HTTPS) server, with the optional
# support of Basic Authentication. This server mainly furhishes
# a simple interface to upload, browse end execute files.
# Also, you can remove and download files.
#
# usage info: hbue.py --help
#
from crontab import CronTab
import http.server
import socketserver
import ssl
import os
import urllib.parse
import argparse
import base64
import cgi
import subprocess
import json
import psutil
from PIL import Image
import time
h_on=0
h_off=0
weekdays=""
metadata={}
metadata['sizes'] = []
currentimage=""
currentvideo=""
def set_cron(on,off,days):
my_cron=CronTab(user=True)
for job in my_cron:
if job.comment=="hdmi_on":
job.dow.clear()
for i in days:
job.dow.also.on(i)
job.hour.on(on)
print("ON:",job)
if job.comment=="hdmi_off":
job.dow.clear()
for i in days:
job.dow.also.on(i)
job.hour.on(off)
print("OFF:",job)
my_cron.write_to_user(user=True)
def main():
global metadata
chunk = 1024
folder = '.'
certificate = None
parser = argparse.ArgumentParser(description='HBUE is an HTTP(S) Browse+Upload+Execute server.\r\nAntonio Ragagnin (2014)')
parser.add_argument('--listen', type=str, help='listening mask (default: 0.0.0.0:4443)',default='0.0.0.0:4443')
parser.add_argument('--execute', type=str,help='command to execute on clicked files.')
parser.add_argument('--ssl', type=str, help='specify the .pem file to start an HTTPS server')
parser.add_argument('--credentials', type=str, help='login:password string')
parser.add_argument('--folder', type=str, help='folder to browse (default is current folder)',default='.')
parser.add_argument('--chunk', type=str, help='chunk download size in Bytes (default: 1024)')
args = parser.parse_args()
listen_t = (args.listen.split(':')[0],int(args.listen.split(':')[1]))
print ('server running on',listen_t,'...')
httpd = http.server.HTTPServer(listen_t, MyHandler)
#let's build an anonymous class and store it in the server
base64credentials = None
if(args.credentials!=None):base64credentials =base64.b64encode(bytes(args.credentials,'utf-8'))
httpd.context = type("", (), dict(
execute= args.execute, chunk=args.chunk,folder=args.folder,credentials=base64credentials
))()
if(args.ssl):
httpd.socket = ssl.wrap_socket (httpd.socket, certfile=args.ssl, server_side=True)
with open('meta.json') as json_file:
metadata = json.load(json_file)
httpd.serve_forever()
class MyHandler(http.server.BaseHTTPRequestHandler):
def getmetadata(self,fn):
res="doh !"
for p in metadata['sizes']:
if p["fname"]==fn:
res=str(p["x"])+" x "+str(p["y"])
break
#print("GETMETA: ",fn,res)
return res
def make_index(self):
self.send_response(200)
self.send_header('Content-type','text/html;charset=UTF-8')
self.end_headers()
page_tpl ="""<html>
<head>
<link rel="stylesheet" type="text/css" href="assets?style.css">
<link rel="stylesheet" type="text/css" href="assets?mtr-datepicker.min.css">
<link rel="stylesheet" type="text/css" href="assets?mtr-datepicker.default-theme.min.css"></head>
<body onLoad="javascript:isloaded();">
<script src="assets?/mtr-datepicker.min.js"></script>
<script src="assets?/init.js"></script>
<table><th width="530px" align="left"><h3>Upload a file</h3><th align="left" width="80px"><h3>Manual</h3><th align="left"><h3>Schedule</h3><tr>
<td valign="top">
<b>Free Space: <p id="free">hallo</p></b><br>
<form method='POST' enctype='multipart/form-data'>
<input value="choose" type='file' accept="image/png,video/*" name='upfile'/>
<input type='hidden' name='path' value=''/><br><br>
<input type=submit value="Start upload"/>
</form>
<form method='POST' enctype='multipart/form-data'>
<input type='hidden' name='fname' value=''/><br/>
</form>
<td valign="top"><div onclick="manual('on')" id="m_on" class="mbutton">ON</div>
<br><div onclick="manual('off')" id="m_off" class="mbutton">OFF</div>
<td>
<table><th>ON<th>OFF<tr><td><div id="datepickerOn"></div><td><div id="datepickerOff"></div>
<td colspan="5"><td><div style="visibility:hidden;" id="setcronbtn" onclick="setcron()" title="set times" class="select">set Times</div>
<tr>
<td>
<div id="d1" class="weekday">MO</div><td>
<div id="d2" class="weekday">DI</div><td>
<div id="d3" class="weekday">MI</div><td>
<div id="d4" class="weekday">DO</div><td>
<div id="d5" class="weekday">FR</div><td>
<div id="d6" class="weekday">SA</div><td>
<div id="d7" class="weekday">SO</div>
</table>
</table>
<hr/>
<h3>Select media to show:</h3>
<!--
-->
<table><td><h3>Images</h3><table><td>current Image: <div id="currentimage"></div><td align="right"><div id="noimage" class="mbutton">None</div></table><br>
<td width=10><td><h3>Videos</h3><table><td>current Video: <div id="currentvideo"></div><td align="right"><div onclick="novideo()" id="novideo" class="mbutton">None</div></table><br><tr><td valign=top><ul id="images">"""
self.wfile.write(bytes(page_tpl, 'UTF-8'))
page_tpl="""</ul></td><td><td valign=top><ul id="videos">"""
self.wfile.write(bytes(page_tpl, 'UTF-8'))
page_tpl="""</ul></table></body></html>"""
self.wfile.write(bytes(page_tpl, 'UTF-8'))
def do_AUTHHEAD(self):
header = self.headers['Authorization']
if not self.server.context.credentials:
return True
if header == None or header != 'Basic '+str(self.server.context.credentials.decode("utf-8")):
self.send_response(401)
self.send_header('WWW-Authenticate', 'Basic realm=\"HBUE login\"')
self.send_header('Content-type', 'text/html')
self.end_headers()
return False
else:
return True
def do_GET(self):
global currentimage
global currentvideo
global h_on
global h_off
if not self.do_AUTHHEAD():
return
try:
pages = urllib.parse.unquote(self.path).split('?')
if(len(pages)==1):
page = pages[0]
file = ''
else:
page = pages[0]
file = '?'.join(pages[1:])
if page == '/' :
self.make_index()
return
elif page == '/delete' :
filepath = urllib.parse.unquote(file) # remove leading '/'
if os.path.isdir(filepath):
print('deleting folder',filepath);
os.rmdir(filepath)
else:
os.remove(filepath)
self.make_index()
return
elif page == '/manual':
print("have manual")
param = urllib.parse.unquote(file) # remove leading '/'
print(param)
if param=="on":
print("hdmi on")
os.system("/home/pi/hdmi_on.sh")
#pngview output is missing after hdmi off/on, restore previous
#os.system("pkill -f pngview")
#time.sleep(.2)
#current=os.listdir("/home/pi/image/")[0]
#os.system("/home/pi/raspidmx/pngview/pngview -l 10 "+"/home/pi/image/"+current+" &")
if param=="off":
print("hdmi off")
os.system("/home/pi/hdmi_off.sh")
self.send_response(200)
self.send_header('Content-type','text/plain; charset=UTF-8')
self.end_headers()
self.wfile.write(bytes('ok',encoding='utf8'))
return
elif page == '/getimages':
print("have get images")
self.send_response(200)
self.send_header('Content-type','text/html; charset=UTF-8')
self.end_headers()
mypath = self.server.context.folder #os.path.abspath(relpath) # ; print abspath
for dp, dn, filenames in os.walk(mypath):
for f in sorted(filenames):
meta=self.getmetadata(f)
fname=f
fname,fe = os.path.splitext(fname)
fthumb="thumbnails?"+os.path.basename(fname)+"_thumbnail.png"
f = os.path.join(dp, f)
if f.find(".png")!=-1:
if fname+fe==currentimage:
self.wfile.write(bytes("\t\t<li class=\"selectmedia\"><table><td align=center width=145><img src=\""+fthumb+"\"><td><a title=\"delete\" class=\"delete\" href=\"/delete?%s\">delete</a><td><a title=\"select\" class=\"selected\" href=\"/execute?%s\">select</a><td width=145><a href=\"/download?%s\">%s</a><br>%s</table></li>\n" % (urllib.parse.unquote(f),urllib.parse.unquote(f),urllib.parse.unquote(f),fname,meta) , 'UTF-8'))
else:
self.wfile.write(bytes("\t\t<li class=\"selectmedia\"><table><td align=center width=145><img src=\""+fthumb+"\"><td><a title=\"delete\" class=\"delete\" href=\"/delete?%s\">delete</a><td><a title=\"select\" class=\"select\" href=\"/execute?%s\">select</a><td width=145><a href=\"/download?%s\">%s</a><br>%s</table></li>\n" % (urllib.parse.unquote(f),urllib.parse.unquote(f),urllib.parse.unquote(f),fname,meta) , 'UTF-8'))
return
elif page == '/novideo':
print("have novideo")
os.system("pkill -f omxplayer")
os.system("rm /home/pi/video/*")
currentvideo=""
return
elif page == '/noimage':
print("have noimage")
currentimage=""
os.system("pkill -f pngview")
os.system("rm /home/pi/image/*")
return
elif page == '/getcurrent':
print("have get current")
self.send_response(200)
self.send_header('Content-type','text/plain; charset=UTF-8')
self.end_headers()
currentvideo=""
currentimage=""
try:
currentimage=os.listdir("/home/pi/image")[0]
currentvideo=os.listdir("/home/pi/video")[0]
except:
pass
self.wfile.write(bytes((currentimage+"|"+currentvideo),encoding='utf8'))
return
elif page == '/getvideos':
print("have get videos")
self.send_response(200)
self.send_header('Content-type','text/html; charset=UTF-8')
self.end_headers()
mypath = self.server.context.folder #os.path.abspath(relpath) # ; print abspath
for dp, dn, filenames in os.walk(mypath):
for f in sorted(filenames):
meta=self.getmetadata(f)
fname=f
fname,fe = os.path.splitext(fname)
fthumb="thumbnails?"+os.path.basename(fname)+"_thumbnail.png"
f = os.path.join(dp, f)
if f.find(".png")==-1:
if fname+fe==currentvideo:
self.wfile.write(bytes("\t\t<li class=\"selectmedia\"><table><td align=center width=145><img src=\""+fthumb+"\"><td><a title=\"delete\" class=\"delete\" href=\"/delete?%s\">delete</a><td><a title=\"select\" class=\"selected\" href=\"/execute?%s\">select</a><td width=145><a href=\"/download?%s\">%s</a><br>%s</table></li>\n" % (urllib.parse.unquote(f),urllib.parse.unquote(f),urllib.parse.unquote(f),fname,meta) , 'UTF-8'))
else:
self.wfile.write(bytes("\t\t<li class=\"selectmedia\"><table><td align=center width=145><img src=\""+fthumb+"\"><td><a title=\"delete\" class=\"delete\" href=\"/delete?%s\">delete</a><td><a title=\"select\" class=\"select\" href=\"/execute?%s\">select</a><td width=145><a href=\"/download?%s\">%s</a><br>%s</table></li>\n" % (urllib.parse.unquote(f),urllib.parse.unquote(f),urllib.parse.unquote(f),fname,meta) , 'UTF-8'))
return
elif page == '/getfree':
print("have get free")
hdd = psutil.disk_usage('/')
freespace="%.2f" %(hdd.free/(2**30))
print (freespace)
self.send_response(200)
self.send_header('Content-type','text/plain; charset=UTF-8')
self.end_headers()
self.wfile.write(bytes(freespace,encoding='utf8'))
return
elif page == '/getcron':
print("have get cron")
my_cron=CronTab(user=True)
for job in my_cron:
print(job)
if job.comment=="hdmi_on":
h_on=str(job.hour)
weekdays=str(job.dow)
if job.comment=="hdmi_off":
h_off=str(job.hour)
weekdays=str(job.dow)
weekdays_u=weekdays.replace(",","")
print(h_on,h_off,weekdays_u)
r=h_on+","+h_off+","+weekdays_u
self.send_response(200)
self.send_header('Content-type','text/plain; charset=UTF-8')
self.end_headers()
self.wfile.write(bytes(r,encoding='utf8'))
return
elif page == '/setcron':
print("HAVE SET CRON")
param = urllib.parse.unquote(file) # remove leading '/'
print(param)
set_cron(param.split(",")[0],param.split(",")[1],param.split(",")[2])
self.make_index()
return
elif page == '/execute' :
filepath = urllib.parse.unquote(file) # remove leading '/'
fullname = filepath
if(not self.server.context.execute):
print('executing ',' '.join([fullname]));
if (fullname.find(".png")!=-1) or (fullname.find(".PNG")!=-1):
os.system("rm /home/pi/image/*")
subprocess.Popen(['cp',fullname,'/home/pi/image/'])
currentimage=os.path.split(fullname)[1]
self.make_index()
else:
os.system("rm /home/pi/video/*")
subprocess.Popen(['cp',fullname,'/home/pi/video/'])
currentvideo=os.path.split(fullname)[1]
self.make_index()
else:
print('executing ',' '.join([ self.server.context.execute,fullname]));
subprocess.Popen([ self.server.context.execute,fullname])
# self.make_index()
return
elif page == '/download' :
filepath = urllib.parse.unquote(file) # remove leading '/'
if self.path == '/favicon.ico' :
f = open( filepath, 'rb' )
else:
fname=filepath
#print(fname)
f = open( fname, 'rb' )
self.send_response(200)
self.send_header('Content-type','application/octet-stream')
self.send_header('Content-Disposition','attachment; filename="%s"' % os.path.basename(filepath))
self.end_headers()
for piece in MyHandler.read_in_chunks(f,self.server.context.chunk):
self.wfile.write(bytes(piece))
f.close()
return
elif page == '/assets' :
filepath = urllib.parse.unquote(file) # remove leading '/'
if self.path == '/favicon.ico' :
f = open( filepath, 'rb' )
else:
fname="/home/pi/assets/"+filepath
print(fname)
f = open( fname, 'rb' )
self.send_response(200)
self.send_header('Content-type','application/octet-stream')
self.send_header('Content-Disposition','attachment; filename="%s"' % os.path.basename(filepath))
self.end_headers()
for piece in MyHandler.read_in_chunks(f,self.server.context.chunk):
self.wfile.write(bytes(piece))
f.close()
return
elif page == '/thumbnails' :
filepath = urllib.parse.unquote(file) # remove leading '/'
if self.path == '/favicon.ico' :
f = open( filepath, 'rb' )
else:
fname="/home/pi/thumbnails/"+filepath
print(fname)
f = open( fname, 'rb' )
self.send_response(200)
self.send_header('Content-type','application/octet-stream')
self.send_header('Content-Disposition','attachment; filename="%s"' % os.path.basename(filepath))
self.end_headers()
for piece in MyHandler.read_in_chunks(f,self.server.context.chunk):
self.wfile.write(bytes(piece))
f.close()
return
# print ('nope: ',self.path)
return # be sure not to fall into "except:" clause ?
except IOError as e :
# debug
print (e)
self.send_error(404,'Error: %s' % str(e))
def read_in_chunks(file_object, chunk_size):
while True:
data = file_object.read(chunk_size)
if not data:
break
yield data
def do_POST(self):
global metadata
if not self.do_AUTHHEAD():
return
# global rootnode ## something remained in the orig. code
ctype, pdict = cgi.parse_header(self.headers['content-type'])
if ctype == 'multipart/form-data' :
# using cgi.FieldStorage instead, see
# http://stackoverflow.com/questions/1417918/time-out-error-while-creating-cgi-fieldstorage-object
fs = cgi.FieldStorage( fp = self.rfile,
headers = self.headers, # headers_,
environ={ 'REQUEST_METHOD':'POST' } # all the rest will come from the 'headers' object,
# but as the FieldStorage object was designed for CGI, absense of 'POST' value in environ
# will prevent the object from using the 'fp' argument !
)
## print 'have fs'
else: raise Exception("Unexpected POST request")
if(fs.getvalue("fname")):
new_folder =self.server.context.folder+os.sep+ fs.getvalue("fname")
if not os.path.isdir(new_folder):
print ('creating folder '+new_folder)
os.makedirs(new_folder)
self.make_index()
return
fs_up = fs['upfile']
folder = fs.getvalue("path")
filename = os.path.split(fs_up.filename)[1] # strip the path, if it presents
fullname = self.server.context.folder
fullname +=os.sep
fullname +=folder
fullname +=os.sep
fullname +=filename #os.path.join(folder,os.sep+filename)
fullname=fullname.replace(" ","_")
print (' uploading',fullname)
# check for copies :
if os.path.exists( fullname ):
fn,fe = os.path.splitext(fullname)
fullname_test = fn + '.copy'+fe
i = 2
while os.path.exists( fullname_test ):
fullname_test = fn + '.copy(%d)' % i +fe
i += 1
fullname = fullname_test
fn,fe = os.path.splitext(fullname)
if (fe==".png") or (fe==".PNG") or (fe==".mp4") or (fe==".MP4") or (fe==".m4v") or (fe==".M4V") or (fe==".mov") or (fe==".MOV"):
if not os.path.exists(fullname):
with open(fullname, 'wb') as o:
for piece in MyHandler.read_in_chunks(fs_up.file,self.server.context.chunk):
o.write( piece )
fn = os.path.basename(fn)
filename = f"{fn}_thumbnail.png"
print("thumbname: ",filename)
print("fe:",fe)
if (fe==".mp4") or (fe==".MP4") or (fe==".m4v") or (fe==".M4V") or (fe==".mov") or (fe==".MOV"):
cmd="ffprobe -v error -select_streams v:0 -show_entries stream=width,height -of csv=s=x:p=0 "+"uploads/"+fn+fe
cmdarray=cmd.split(" ")
result = subprocess.check_output(cmdarray, stderr=subprocess.STDOUT)
sz=result.decode('UTF-8')
xs=sz.split("x")[0]
ys=sz.split("x")[1]
metadata['sizes'].append({'fname': fn+fe,'x': xs,'y':ys})
with open('meta.json', 'w') as outfile:
json.dump(metadata, outfile)
cmd="ffmpegthumbnailer -s 200 -i uploads/"+fn+fe+" -o thumbnails/"+fn+"_thumbnail.png"
os.system(cmd)
#print(cmd)
if (fe==".png") or (fe==".PNG"):
image = Image.open(fullname)
print(image.size)
metadata['sizes'].append({'fname': fn+fe,'x': image.size[0],'y':image.size[1]})
image.thumbnail((200,200))
image.save("/home/pi/thumbnails/"+filename)
with open('meta.json', 'w') as outfile:
json.dump(metadata, outfile)
self.make_index()
if __name__ == "__main__":
main()