#!/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()