Low quality image and corrupted PDF obtained

[mphirke]

I'm using Windows 10 version 21H1, Python 3.6.
I'm using the sample file Logger Bot. I am getting very low quality (in bytes) image from the bot. Am I doing something wrong? I used pip install and installed python-magic and it's dependencies because they were not available.

I'm using Gecko driver.

[mrodal]

Hi, how are you downloading the images?

[mphirke]

I'm using the sample code. Does it not automatically download the media? I'm getting it downloaded in a folder created by sample code (folder named chat_91968941XXXX@c.us) I am not using docker and I'm using Geckodriver. I'm using it with Whatsapp business app. These are the files I got (Image and PDF) that was downloaded in the folder
1377656101296.pdf

from openwa import WhatsAPIDriver
from openwa.objects.message import Message, MediaMessage

# EXAMPLE OF LOGGER BOT
[1377655634688.pdf](https://github.com/open-wa/wa-automate-python/files/6821009/1377655634688.pdf)

# =====================
# Logs everything that passes through the phone, and saves media content too.
# Perfect companion for those who hate the ones who use to "erase message".
# The bot interacts with a remote phone, called "master".
# This phone can send simple commands and receives periodic notifications
# in order to know the bot is still running

# Global Const
# cc = country code, e.g. for UK '44'
# ppp = mobile prefix
# nnnnnnn = mobile number
masters_number = "91968941XXXX" (Censored last 4 digits while posting code)


# Global Vars
pinger = -1
now = datetime.datetime.now()
start_time = datetime.datetime.now()

# Procs and Funcs
def print_and_log(text):
	print(text)
	f=open("generallog.log", "a+", encoding="utf-8")
	f.write("[{timestamp}] : {txt}\n".format(timestamp=datetime.datetime.now(), txt=text))
	f.close()

def send_message_to_master(message):
		phone_safe = masters_number # Phone number with country code
		phone_whatsapp = "{}@c.us".format(phone_safe) # WhatsApp Chat ID
		driver.chat_send_message(phone_whatsapp,message)
	
def process_command(command):
	print_and_log("Processing command: {cmd}".format(cmd=command))
	if command.lower() == '#status':
		send_message_to_master("I am still alive")
	elif command.lower() == '#quit':
		quit()
	elif command.lower() == '#ping':
		send_message_to_master("The counter is now {ping}".format(ping=pinger))
	elif command.lower() == '#uptime':
		uptime = datetime.datetime.now() - start_time
		send_message_to_master("Up since {start}, hence for a total time of {upt} by now".format(start=start_time,upt=uptime))
	else:
		send_message_to_master("I am sorry but I can't understand '{cmd}'".format(cmd=command))

# Main
driver = WhatsAPIDriver()
print("Waiting for QR")

while not driver.wait_for_login():
    time.sleep(3)

print("Bot started")
start_time = datetime.datetime.now()
try:

	while True:
		time.sleep(3)  # Checks for new messages every 3 secs.
		pinger = pinger +1
		if ((pinger%600) == 0):  # Notification every 30 min. (600 * 3 sec = 1800 sec)
			pinger=0
			# send_message_to_master("Resetting counter to {pingcount}. Driver status is '{status}'".format(pingcount=pinger, status=driver.get_status()))
		print('Checking for more messages, status. Pinger={pingcount}'.format(pingcount=pinger), driver.get_status())
		for contact in driver.get_unread(include_me=True, include_notifications=True):
			for message in contact.messages:
				print(json.dumps(message.get_js_obj(), indent = 4))
				# Log full JSON to general log
				f=open("generallog.log", "a+", encoding="utf-8")
				f.write("\n\n==========================================================================\nMessage received at {timestamp}\n".format(timestamp=str(datetime.datetime.now())))
				try:
					f.write(json.dumps(message.get_js_obj(), indent = 4))
				except:
					f.write('ERROR!! Unprintable JSON!')
					send_message_to_master("Unprintable JSON! Please check!")
				f.write("\n")
				f.close()
				print('class', message.__class__.__name__)
				print('message', message)
				print('id', message.id)
				print('type', message.type)
				print('timestamp', message.timestamp)
				print('chat_id', message.chat_id)
				print('sender', message.sender)
				
				# Notifications don't seem to have sender.id neither sender.getsafename()
				try:
					sender_id = message.sender.id
				except:
					sender_id = 'NONE'
				print('sender.id', sender_id)
				try:
					sender_safe_name = message.sender.get_safe_name()
				except:
					sender_safe_name = 'NONE'
				print('sender.safe_name', sender_safe_name)
				
				if message.type == 'chat':
					print('-- Chat')
					print('safe_content', message.safe_content)
					try:
						print('content', message.content)
					except:
						print('content is unsafe! Printing safe_content instead', message.safe_content)
						send_message_to_master("Unprintable MESSAGE CONTENT! Please check!")
					f=open("chat_" + message.chat_id['_serialized'] + ".chat.log","a+", encoding="utf-8")
					f.write("[ {sender} | {timestamp} ] ".format(sender=message.sender.get_safe_name(), timestamp=message.timestamp))
					try:
						f.write(message.content)
					except:
						f.write('(safecontent) {content}'.format(content=message.safe_content))
					f.write("\n")
					f.close()
					f=open("safechat_" + message.chat_id['_serialized'] + ".chat.log","a+")
					f.write("[ {sender} | {timestamp} ] {content}\n".format(sender=message.sender.get_safe_name(), timestamp=message.timestamp, content=message.safe_content))
					f.close()
					if ( (message.chat_id['user'] == masters_number) and (message.content[0:1]=="#") ) :
						print_and_log("Message from master: '{cmd}'.".format(cmd=message.content))
						process_command(message.content)
				elif message.type == 'image' or message.type == 'video' or message.type == 'document' or message.type == 'audio' :
					print('-- Media')
					print('filename', message.filename)
					print('size', message.size)
					print('mime', message.mime)
					msg_caption=''
					if hasattr(message, 'caption'):
						msg_caption = message.caption
						print('caption', message.caption)
					print('client_url', message.client_url)
					f=open("chat_" + message.chat_id['_serialized'] + ".chat.log","a+")
					f.write("[ {sender} | {timestamp} ] sent media chat_{id}\{filename} with caption '{caption}'\n".format(sender=message.sender.get_safe_name(), timestamp=message.timestamp, id=message.chat_id['_serialized'], filename=message.filename, caption=msg_caption))
					f.close()
					f=open("safechat_" + message.chat_id['_serialized'] + ".chat.log","a+")
					f.write("[ {sender} | {timestamp} ] sent media chat_{id}\{filename} with caption '{caption}'\n".format(sender=message.sender.get_safe_name(), timestamp=message.timestamp, id=message.chat_id['_serialized'], filename=message.filename, caption=msg_caption))
					f.close()
					if not os.path.exists('chat_{id}'.format(id=message.chat_id['_serialized'])):
						os.makedirs('chat_{id}'.format(id=message.chat_id['_serialized']))
					message.save_media('chat_{id}'.format(id=message.chat_id['_serialized']))
				else:
					print('-- Other')
except Exception as e:
	print('EXCEPTION:',e)
	send_message_to_master("I am dying! HELP!\n")
	send_message_to_master("Exception was: {exc}\n".format(exc=e))
	f=open("generallog.log", "a+", encoding="utf-8")
	f.write("\n\nEXCEPTION: {exc}\n".format(exc=e))
	f.close
	raise

This was our chat :

This was logged in safechat_98941XXXX@c.us.chat.log =>

[ You | 2021-07-14 15:45:39 ] Resetting counter to 0. D...
[ Papa | 2021-07-14 15:48:03 ] sent media chat_91968941XXXX@c.us\1377656134904.jpe with caption ''
[ Papa | 2021-07-14 15:48:14 ] Hallo trial...
[ Papa | 2021-07-14 15:49:06 ] sent media chat_91968941XXXX@c.us\1377655634688.pdf with caption 'SIK_brochure.pdf'

[darkash]

change

message.save_media('chat_{id}'.format(id=message.chat_id['_serialized']))

to

message.save_media('chat_{id}'.format(id=message.chat_id['_serialized']), force_download=True)

the file you provided above is a preview file generated by whatsapp before the file being downloaded, not sure about the corrupted pdf issue, but using force_download option should fix those problems

[mphirke]

Thank you, that solved it.