mirror of
https://github.com/boltgolt/howdy.git
synced 2024-09-12 09:41:18 +02:00
Moved camera detection to preinst so dpkg doesn't break on abort
This commit is contained in:
boltgolt
parent
52e6be7be8
commit
fceb61a91b
5 changed files with 128 additions and 88 deletions
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@ -13,4 +13,4 @@ script:
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- sudo apt purge howdy -y
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notifications:
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email: false
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email: true
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27
README.md
27
README.md
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@ -1,4 +1,4 @@
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# Howdy for Ubuntu [](https://travis-ci.org/Boltgolt/howdy)
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# Howdy for Ubuntu [](https://travis-ci.org/Boltgolt/howdy)
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Windows Hello™ style authentication for Ubuntu. Use your built-in IR emitters and camera in combination with face recognition to prove who you are.
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@ -24,16 +24,21 @@ If nothing went wrong we should be able to run sudo by just showing your face. O
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The installer adds a `howdy` command to manage face models for the current user. Use `howdy help` to list the available options.
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| Command | Description | Needs user |
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|-----------|-----------------------------------------------|------------|
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| `add` | Add a new face model for the given user | Yes |
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| `clear` | Remove all face models for the given user | Yes |
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| `config` | Open the config file in nano | No |
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| `disable` | Disable or enable howdy | No |
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| `help` | Show a help page | No |
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| `list` | List all saved face models for the given user | Yes |
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| `remove` | Remove a specific model for the given user | Yes |
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| `test` | Test the camera and recognition methods | No |
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Usage:
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```
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howdy <command> [user] [argument]
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```
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| Command | Description | User required |
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|-----------|-----------------------------------------------|---------------|
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| `add` | Add a new face model for the given user | Yes |
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| `clear` | Remove all face models for the given user | Yes |
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| `config` | Open the config file in nano | No |
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| `disable` | Disable or enable howdy | No |
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| `help` | Show a help page | No |
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| `list` | List all saved face models for the given user | Yes |
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| `remove` | Remove a specific model for the given user | Yes |
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| `test` | Test the camera and recognition methods | No |
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### Troubleshooting
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79
debian/postinst
vendored
79
debian/postinst
vendored
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@ -12,6 +12,9 @@ import signal
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import fileinput
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import urllib.parse
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if "configure" not in sys.argv:
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sys.exit(0)
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def log(text):
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"""Print a nicely formatted line to stdout"""
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print("\n>>> \033[32m" + text + "\033[0m\n")
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@ -22,77 +25,21 @@ def handleStatus(status):
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print("\033[31mError while running last command\033[0m")
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sys.exit(1)
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# Check if we're running as root
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user = os.getenv("SUDO_USER")
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if user is None:
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print("Can't continue installation without root rights.")
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sys.exit(1)
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log("Upgrading pip to the latest version")
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# We're not in fresh configuration mode, so exit
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if not os.path.exists("/tmp/howdy_picked_device"):
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sys.exit(0)
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in_file = open("/tmp/howdy_picked_device", "r")
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picked = int(in_file.read())
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in_file.close()
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subprocess.call(["rm /tmp/howdy_picked_device"], shell=True)
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# Update pip
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handleStatus(subprocess.call(["pip3 install --upgrade pip"], shell=True))
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log("Starting camera check")
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# Get all devices
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devices = os.listdir("/dev")
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# The picked video device id
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picked = -1
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# If prompting has been disabled, skip camera check
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if "HOWDY_NO_PROMPT" in os.environ:
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print("\033[33mAUTOMATED INSTALL, YOU WILL NOT BE ASKED FOR INPUT AND CHECKS WILL BE SKIPPED\033[0m")
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picked = "0"
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else:
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# Loop though all devices
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for dev in devices:
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# Only use the video devices
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if (dev[:5] == "video"):
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time.sleep(.5)
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# The full path to the device is the default name
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device_name = "/dev/" + dev
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# Get the udevadm details to try to get a better name
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udevadm = subprocess.check_output(["udevadm info -r --query=all -n " + device_name], shell=True).decode("utf-8")
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# Loop though udevadm to search for a better name
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for line in udevadm.split("\n"):
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# Match it and encase it in quotes
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re_name = re.search('product.*=(.*)$', line, re.IGNORECASE)
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if re_name:
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device_name = '"' + re_name.group(1) + '"'
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# Show what device we're using
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print("Trying " + device_name)
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# Let fswebcam keep the camera open in the background
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sub = subprocess.Popen(["fswebcam -S 9999999999 -d /dev/" + dev + " /dev/null 2>/dev/null"], shell=True, preexec_fn=os.setsid)
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try:
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# Ask the user if this is the right one
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print("\033[33mOne of your cameras should now be on.\033[0m")
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ans = input("Did your IR emitters turn on? [y/N]: ")
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except KeyboardInterrupt:
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# Kill fswebcam if the user aborts
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os.killpg(os.getpgid(sub.pid), signal.SIGTERM)
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raise
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# The user has answered, kill fswebcam
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os.killpg(os.getpgid(sub.pid), signal.SIGTERM)
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# Set this camera as picked if the answer was yes, go to the next one if no
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if (ans.lower() == "y"):
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picked = dev[5:]
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break
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else:
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print("Inerpeting as a \"NO\"\n")
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# Abort if no camera was picked
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if (picked == -1):
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print("\033[31mNo suitable IR camera found\033[0m")
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sys.exit(1)
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log("Cloning dlib")
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# Clone the git to /tmp
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89
debian/preinst
vendored
Normal file
89
debian/preinst
vendored
Normal file
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@ -0,0 +1,89 @@
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#!/usr/bin/env python3
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# Used to check cameras before commiting to install
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# Executed before primary apt install of files
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def col(id):
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if id == 1: return "\033[32m"
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if id == 2: return "\033[33m"
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if id == 3: return "\033[31m"
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return "\033[0m"
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import subprocess
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import time
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import sys
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import os
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import re
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import signal
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if "install" not in sys.argv:
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sys.exit(0)
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# The picked video device id
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picked = -1
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print(col(1) + "Starting IR camera check...\n" + col(0))
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# If prompting has been disabled, skip camera check
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if "HOWDY_NO_PROMPT" in os.environ:
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print(col(2) + "AUTOMATED INSTALL, YOU WILL NOT BE ASKED FOR INPUT AND CHECKS WILL BE SKIPPED" + col(0))
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with open("/tmp/howdy_picked_device", "w") as out_file:
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out_file.write("0")
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sys.exit(0)
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# Get all devices
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devices = os.listdir("/dev")
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# Loop though all devices
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for dev in devices:
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# Only use the video devices
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if (dev[:5] == "video"):
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time.sleep(.5)
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# The full path to the device is the default name
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device_name = "/dev/" + dev
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# Get the udevadm details to try to get a better name
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udevadm = subprocess.check_output(["udevadm info -r --query=all -n " + device_name], shell=True).decode("utf-8")
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# Loop though udevadm to search for a better name
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for line in udevadm.split("\n"):
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# Match it and encase it in quotes
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re_name = re.search('product.*=(.*)$', line, re.IGNORECASE)
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if re_name:
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device_name = '"' + re_name.group(1) + '"'
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# Show what device we're using
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print("Trying " + device_name)
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# Let fswebcam keep the camera open in the background
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sub = subprocess.Popen(["fswebcam -S 9999999999 -d /dev/" + dev + " /dev/null 2>/dev/null"], shell=True, preexec_fn=os.setsid)
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try:
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# Ask the user if this is the right one
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print(col(2) + "One of your cameras should now be on." + col(0))
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ans = input("Did your IR emitters turn on? [y/N]: ")
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except KeyboardInterrupt:
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# Kill fswebcam if the user aborts
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os.killpg(os.getpgid(sub.pid), signal.SIGTERM)
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raise
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# The user has answered, kill fswebcam
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os.killpg(os.getpgid(sub.pid), signal.SIGTERM)
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# Set this camera as picked if the answer was yes, go to the next one if no
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if ans.lower() == "y" or ans.lower() == "yes":
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picked = dev[5:]
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break
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else:
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print("Interpreting as a " + col(3) + "\"NO\"\n" + col(0))
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# Abort if no camera was picked
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if picked == -1:
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print(col(3) + "No suitable IR camera found, aborting install." + col(0))
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sys.exit(23)
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with open("/tmp/howdy_picked_device", "w") as out_file:
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out_file.write(str(picked))
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print("")
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19
debian/prerm
vendored
19
debian/prerm
vendored
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@ -2,28 +2,27 @@
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# Executed on deinstallation
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# Completely remove howdy from the system
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def col(id):
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if id == 1: return "\033[32m"
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if id == 2: return "\033[33m"
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if id == 3: return "\033[31m"
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return "\033[0m"
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# Import required modules
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import subprocess
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# Remove files and symlinks
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try:
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subprocess.call(["rm -rf /lib/security/howdy/"], shell=True)
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except e:
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pass
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try:
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subprocess.call(["rm /usr/share/bash-completion/completions/howdy"], shell=True)
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except e:
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print("Can't remove autocompletion script")
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pass
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subprocess.call(["rm /usr/bin/howdy"], shell=True)
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# Remove face_recognition and dlib
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subprocess.call(["pip3 uninstall face_recognition dlib -y --no-cache-dir"], shell=True)
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# Print a tearbending message
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print("""
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Howdy has been uninstalled :'(
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print(col(2) + """
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There are still lines in /etc/pam.d/common-auth that can't be removed automatically
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Run "nano /etc/pam.d/common-auth" to remove them by hand\
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""")
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""" + col(0))
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