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GNU GENERAL PUBLIC LICENSE
Version 2, June 1991
Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
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zx2c4 pass manager addon for firefox
Copyright (C) 2013 Johan Venant
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
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Yoyodyne, Inc., hereby disclaims all copyright interest in the program
`Gnomovision' (which makes passes at compilers) written by James Hacker.
{signature of Ty Coon}, 1 April 1989
Ty Coon, President of Vice
This General Public License does not permit incorporating your program into
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library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License.

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passff-host
===========
[![Join the chat at https://gitter.im/jvenant/passff](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/jvenant/passff?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
Host app for the WebExtension **[PassFF](https://addons.mozilla.org/firefox/addon/passff)**
### Overview
This piece of software wraps around the **[zx2c4 pass](http://www.zx2c4.com/projects/password-store/)** shell command. It has to be installed for the PassFF browser extension to work properly.
### Installation
Download the `install_host_app.sh` script from [our releases page](https://github.com/passff/passff-host/releases) and execute it. You can do this in one line like so:
```
$ curl -sSL https://github.com/passff/passff-host/releases/download/1.0/install_host_app.sh | bash -s -- [firefox|chrome|opera|chromium|vivaldi]
```
This script will download the host application (a small python script) and the add-on's manifest file (a JSON config file) and put them in the right place.
If you're concerned about executing a script that downloads files from the web, you can download the files yourself and run the script with the `--local` option instead or link the files yourself. Details below.
#### Windows
Download the `install_host_app.bat` script from [our releases page](https://github.com/passff/passff-host/releases) and execute it from within a shell with a correct PATH.
*The rule of thumb is: if you can execute pass and python from your shell, then your host application will be installed correctly.*
```
> install_host_app.bat [firefox|chrome|opera|chromium|vivaldi]
```
Note: Older Windows versions might require powershell to be installed manually as the install script uses powershell internally. Windows 10 users should be fine out of the box.
#### Latest from GitHub
This is not recommended! Only for developers and for testing purposes!
Clone the repository. Then, from the project's `src/` directory, run `make` and execute the installation script in `bin/testing` for your desired browser (`firefox`, `chrome`, `opera`, `chromium`, or `vivaldi`):
```
$ cd ./src
$ make
$ cd ../bin/testing
$ ./install_host_app.sh --local [firefox|chrome|opera|chromium|vivaldi]
```
This will copy the host application and manifest files to the right place for your browser. The `--local` option makes the script use the files on disk rather than downloading them from GitHub.
If this doesn't work, you can link the files yourself. First, change the `path` value in the `passff.json` file to be the absolute path to the project's `bin/testing/passff.py` file. Then symlink (or copy) the file `bin/testing/passff.json` to the appropriate location for your browser and OS:
- Firefox
- Linux
- Per-user: `~/.mozilla/native-messaging-hosts/passff.json`
- System-wide: `/usr/{lib,lib64,share}/mozilla/native-messaging-hosts/passff.json`
- OS X
- `/Library/Application Support/Mozilla/NativeMessagingHosts/passff.json`
- Windows
- Per-user: `Path contained in registry key HKEY_CURRENT_USER\Software\Mozilla\NativeMessagingHosts\passff`
- System-wide: `Path contained in registry key HKEY_LOCAL_MACHINE\SOFTWARE\Mozilla\NativeMessagingHosts\passff`
- Chrome
- Linux
- Per-user: `~/.config/google-chrome/NativeMessagingHosts/passff.json`
- System-wide: `/etc/opt/chrome/native-messaging-hosts/passff.json`
- OS X
- Per-user: `~/Library/Application Support/Google/Chrome/NativeMessagingHosts/passff.json`
- System-wide: `/Library/Google/Chrome/NativeMessagingHosts/passff.json`
- Windows
- Per-user: `HKEY_CURRENT_USER\SOFTWARE\Google\Chrome\NativeMessagingHosts\passff`
- System-wide: `HKEY_LOCAL_MACHINE\SOFTWARE\Google\Chrome\NativeMessagingHosts\passff`
- Chromium
- Linux
- Per-user: `~/.config/chromium/NativeMessagingHosts/passff.json`
- System-wide: `/etc/chromium/native-messaging-hosts/passff.json`
- OS X
- Per-user: `~/Library/Application Support/Chromium/NativeMessagingHosts/passff.json`
- System-wide: `/Library/Application Support/Chromium/NativeMessagingHosts/passff.json`
- Opera
- Same as Chrome
- Vivaldi
- Linux
- Per-user: `~/.config/vivaldi/NativeMessagingHosts/passff.json`
- System-wide: `/etc/vivaldi/native-messaging-hosts/passff.json`
- OS X
- Per-user: `~/Library/Application Support/Vivaldi/NativeMessagingHosts/passff.json`
- System-wide: `/Library/Application Support/Vivaldi/NativeMessagingHosts/passff.json`
### Preferences
By modifying the `preferences section` in `passff.py` you will be able to set
- the path to the `pass` script,
- additional command line arguments that are passed to `pass`,
- the shell `stdout` charset,
- additional environment variables.

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VERSION := testing
SRC_DIR := .
TARGET_DIR := ../bin/$(VERSION)
INSTALL_WIN_FILE := install_host_app.bat
INSTALL_WIN_SRC := $(SRC_DIR)/$(INSTALL_WIN_FILE)
INSTALL_WIN_TARGET := $(TARGET_DIR)/$(INSTALL_WIN_FILE)
INSTALL_UNIX_FILE := install_host_app.sh
INSTALL_UNIX_SRC := $(SRC_DIR)/$(INSTALL_UNIX_FILE)
INSTALL_UNIX_TARGET := $(TARGET_DIR)/$(INSTALL_UNIX_FILE)
HOST_APP_FILES := passff.py passff.json
HOST_APP_SRC := $(addprefix $(SRC_DIR)/,$(HOST_APP_FILES))
HOST_APP_TARGET := $(addprefix $(TARGET_DIR)/,$(HOST_APP_FILES))
HOST_TARGETS := $(INSTALL_WIN_TARGET) $(INSTALL_UNIX_TARGET) $(HOST_APP_TARGET)
all: $(HOST_TARGETS)
%/.d:
mkdir -p $(@D)
@touch $@
$(HOST_TARGETS): $(TARGET_DIR)/%: $(SRC_DIR)/% $(TARGET_DIR)/.d
cp $(SRC_DIR)/$* $@
sed -i "s/_VERSIONHOLDER_/$(VERSION)/g" $@
clean:
rm -rf $(TARGET_DIR)
.PRECIOUS: %/.d

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@ECHO OFF
SETLOCAL
SET "APP_NAME=passff"
SET "VERSION=_VERSIONHOLDER_"
SET "HOST_URL=https://github.com/passff/passff-host/releases/download/%VERSION%/passff.py"
SET "MANIFEST_URL=https://github.com/passff/passff-host/releases/download/%VERSION%/passff.json"
SET "TARGET_DIR=%APPDATA%\%APP_NAME%"
SET "HOST_MANIFEST=%APP_NAME%.json"
SET "HOST_SCRIPT=%APP_NAME%.py"
SET "HOST_BATCH=%APP_NAME%.bat"
SET "HOST_MANIFEST_FULL=%TARGET_DIR%\%HOST_MANIFEST%"
SET "HOST_SCRIPT_FULL=%TARGET_DIR%\%HOST_SCRIPT%"
SET "HOST_BATCH_FULL=%TARGET_DIR%\%HOST_BATCH%"
SET "USE_LOCAL_FILES="
SET "TARGET_REG="
REM check prerequisites: is python installed & in path?
python --version >NUL 2> NUL || (
ECHO "python not found in PATH. Please execute this command in a shell where python is in PATH"
EXIT /B
)
:loop
IF NOT "%1"=="" (
IF "%1"=="--local" (
SET "USE_LOCAL_FILES=true"
SHIFT
) ELSE IF "%1"=="--help" (
GOTO :help
) ELSE IF "%1"=="firefox" (
SET "TARGET_REG=HKCU\SOFTWARE\Mozilla\NativeMessagingHosts\%APP_NAME%"
SHIFT
) ELSE IF "%1"=="chrome" (
SET "TARGET_REG=HKCU\Software\Google\Chrome\NativeMessagingHosts\%APP_NAME%"
SHIFT
) ELSE IF "%1"=="chromium" (
ECHO Chromium registry key location for Native Messaging Hosts is undocumented. Assuming key for Chrome. Please provide feedback if this worked: https://github.com/passff/passff/issues/202
SET "TARGET_REG=HKCU\Software\Google\Chrome\NativeMessagingHosts\%APP_NAME%"
SHIFT
) ELSE IF "%1"=="opera" (
ECHO Opera registry key location for Native Messaging Hosts is undocumented. Assuming key for Chrome. Please provide feedback if this worked: https://github.com/passff/passff/issues/202
SET "TARGET_REG=HKCU\Software\Google\Chrome\NativeMessagingHosts\%APP_NAME%"
SHIFT
) ELSE IF "%1"=="vivaldi" (
ECHO Vivaldi registry key location for Native Messaging Hosts is undocumented. Assuming key for Chrome. Please provide feedback if this worked: https://github.com/passff/passff/issues/202
SET "TARGET_REG=HKCU\Software\Google\Chrome\NativeMessagingHosts\%APP_NAME%"
SHIFT
) ELSE (
SHIFT
)
GOTO :loop
)
IF "%TARGET_REG%"=="" (
GOTO :help
)
IF EXIST "%TARGET_DIR%" (
dir /AD "%TARGET_DIR%" > nul || (
ECHO "%TARGET_DIR%" is not a directory
EXIT /B
)
) ELSE (
MKDIR "%TARGET_DIR%" 2> nul
)
IF "%USE_LOCAL_FILES%"=="true" (
IF NOT EXIST "%~dp0%HOST_MANIFEST%" (
ECHO local file "%~dp0%HOST_MANIFEST%" not found
EXIT /B
)
IF NOT EXIST "%~dp0%HOST_SCRIPT%" (
ECHO local file "%~dp0%HOST_SCRIPT%" not found
EXIT /B
)
COPY /Y "%~dp0%HOST_MANIFEST%" "%HOST_MANIFEST_FULL%"
COPY /Y "%~dp0%HOST_SCRIPT%" "%HOST_SCRIPT_FULL%"
) ELSE (
powershell -Command "(New-Object Net.WebClient).DownloadFile('%HOST_URL%', '%HOST_SCRIPT_FULL%')"
powershell -Command "(New-Object Net.WebClient).DownloadFile('%MANIFEST_URL%', '%HOST_MANIFEST_FULL%')"
)
powershell -Command "(Get-Content '%HOST_MANIFEST_FULL%') -replace 'PLACEHOLDER', '%HOST_BATCH_FULL:\=/%' | Set-Content '%HOST_MANIFEST_FULL%'"
(
ECHO @ECHO OFF
ECHO SET "PATH=%PATH%"
ECHO SET "GNUPGHOME=%GNUPGHOME%"
ECHO python "%HOST_SCRIPT_FULL%" %%*
)>"%HOST_BATCH_FULL%"
REG ADD "%TARGET_REG%" /ve /d "%HOST_MANIFEST_FULL%" /f || (
ECHO Adding key to registry failed - maybe you need Administrator rights for this. Please run
ECHO REG ADD "%TARGET_REG%" /ve /d "%HOST_MANIFEST_FULL%" /f
ECHO manually in an administrative shell.
)
EXIT /B
:help
ECHO Usage: %0 [OPTION] [chrome^|chromium^|firefox^|opera^|vivaldi]
ECHO
ECHO Options:
ECHO --local Install files from disk instead of downloading them
ECHO --help Show this message"
EXIT /B

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#!/usr/bin/env bash
# This script is derived from `install.sh` in Danny van Kooten's "browserpass":
# https://github.com/dannyvankooten/browserpass
set -e
APP_NAME="passff"
VERSION="_VERSIONHOLDER_"
HOST_URL="https://github.com/passff/passff-host/releases/download/$VERSION/passff.py"
MANIFEST_URL="https://github.com/passff/passff-host/releases/download/$VERSION/passff.json"
# Find target dirs for various browsers & OS'es
# https://developer.chrome.com/extensions/nativeMessaging#native-messaging-host-location
# https://wiki.mozilla.org/WebExtensions/Native_Messaging
if [ $(uname -s) == 'Darwin' ]; then
if [ "$(whoami)" == "root" ]; then
TARGET_DIR_CHROME="/Library/Google/Chrome/NativeMessagingHosts"
TARGET_DIR_CHROMIUM="/Library/Application Support/Chromium/NativeMessagingHosts"
TARGET_DIR_FIREFOX="/Library/Application Support/Mozilla/NativeMessagingHosts"
TARGET_DIR_VIVALDI="/Library/Application Support/Vivaldi/NativeMessagingHosts"
else
TARGET_DIR_CHROME="$HOME/Library/Application Support/Google/Chrome/NativeMessagingHosts"
TARGET_DIR_CHROMIUM="$HOME/Library/Application Support/Chromium/NativeMessagingHosts"
TARGET_DIR_FIREFOX="$HOME/Library/Application Support/Mozilla/NativeMessagingHosts"
TARGET_DIR_VIVALDI="$HOME/Library/Application Support/Vivaldi/NativeMessagingHosts"
fi
else
if [ "$(whoami)" == "root" ]; then
TARGET_DIR_CHROME="/etc/opt/chrome/native-messaging-hosts"
TARGET_DIR_CHROMIUM="/etc/chromium/native-messaging-hosts"
TARGET_DIR_FIREFOX="/usr/lib/mozilla/native-messaging-hosts"
TARGET_DIR_VIVALDI="/etc/vivaldi/native-messaging-hosts"
else
TARGET_DIR_CHROME="$HOME/.config/google-chrome/NativeMessagingHosts"
TARGET_DIR_CHROMIUM="$HOME/.config/chromium/NativeMessagingHosts"
TARGET_DIR_FIREFOX="$HOME/.mozilla/native-messaging-hosts"
TARGET_DIR_VIVALDI="$HOME/.config/vivaldi/NativeMessagingHosts"
fi
fi
function usage {
echo "Usage: $0 [OPTION] [chrome|chromium|firefox|opera|vivaldi]
Options:
-l, --local Install files from disk instead of downloading them
-h, --help Show this message"
}
while [[ $# -gt 0 ]]; do
case $1 in
chrome)
BROWSER_NAME="Chrome"
TARGET_DIR="$TARGET_DIR_CHROME"
;;
chromium)
BROWSER_NAME="Chromium"
TARGET_DIR="$TARGET_DIR_CHROMIUM"
;;
firefox)
BROWSER_NAME="Firefox"
TARGET_DIR="$TARGET_DIR_FIREFOX"
;;
opera)
BROWSER_NAME="Opera"
TARGET_DIR="$TARGET_DIR_VIVALDI"
;;
vivaldi)
BROWSER_NAME="Vivaldi"
TARGET_DIR="$TARGET_DIR_VIVALDI"
;;
-l|--local)
USE_LOCAL_FILES=true
;;
-h|--help)
usage
exit 0
;;
*)
usage
exit 1
;;
esac
shift
done
PYTHON3_PATH="$(which python3)"
if [ -x "$PYTHON3_PATH" ]; then
echo "Python 3 executable located at $PYTHON3_PATH"
else
echo "Python 3 executable not found, but Python 3 is required for PassFF to work!"
exit 1
fi
if [ -z "$TARGET_DIR" ]; then
usage
exit 1
fi
HOST_FILE_PATH="$TARGET_DIR/$APP_NAME.py"
MANIFEST_FILE_PATH="$TARGET_DIR/$APP_NAME.json"
ESCAPED_HOST_FILE_PATH="${HOST_FILE_PATH////\\/}"
echo "Installing $BROWSER_NAME host config"
# Create config dir if not existing
mkdir -p "$TARGET_DIR"
if [ "$USE_LOCAL_FILES" = true ]; then
DIR="$( cd "$( dirname "$0" )" && pwd )"
cp "$DIR/passff.py" "$HOST_FILE_PATH"
cp "$DIR/passff.json" "$MANIFEST_FILE_PATH"
else
# Download native host script and manifest
curl -sSL "$HOST_URL" > "$HOST_FILE_PATH"
curl -sSL "$MANIFEST_URL" > "$MANIFEST_FILE_PATH"
fi
# Replace path to host
sed -i -e "s/PLACEHOLDER/$ESCAPED_HOST_FILE_PATH/" "$MANIFEST_FILE_PATH"
# Replace path to python3 executable
sed -i "1c#\!${PYTHON3_PATH}" "$HOST_FILE_PATH"
# Set permissions for the manifest so that all users can read it.
chmod a+x "$HOST_FILE_PATH"
chmod o+r "$MANIFEST_FILE_PATH"
echo "Native messaging host for $BROWSER_NAME has been installed to $TARGET_DIR."

7
src/passff.json Normal file
View File

@ -0,0 +1,7 @@
{
"name": "passff",
"description": "Host for communicating with zx2c4 pass",
"path": "PLACEHOLDER",
"type": "stdio",
"allowed_extensions": [ "passff@invicem.pro" ]
}

101
src/passff.py Executable file
View File

@ -0,0 +1,101 @@
#!/usr/bin/env python3
"""
Host application of the browser extension PassFF
that wraps around the zx2c4 pass script.
"""
import os, sys, json, struct, subprocess
VERSION = "_VERSIONHOLDER_"
################################################################################
######################## Begin preferences section #############################
################################################################################
# Default command for MacOS:
#command = "/usr/local/bin/pass"
command = "/usr/bin/pass"
commandArgs = []
commandEnv = {
"TREE_CHARSET": "ISO-8859-1",
# Default PATH for MacOS:
#"PATH": "/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin",
}
charset = "UTF-8"
################################################################################
######################### End preferences section ##############################
################################################################################
def getMessage():
""" Read a message from stdin and decode it. """
rawLength = sys.stdin.buffer.read(4)
if len(rawLength) == 0:
sys.exit(0)
messageLength = struct.unpack('@I', rawLength)[0]
message = sys.stdin.buffer.read(messageLength).decode("utf-8")
return json.loads(message)
def encodeMessage(messageContent):
""" Encode a message for transmission, given its content. """
encodedContent = json.dumps(messageContent)
encodedLength = struct.pack('@I', len(encodedContent))
return {'length': encodedLength, 'content': encodedContent}
def sendMessage(encodedMessage):
""" Send an encoded message to stdout. """
sys.stdout.buffer.write(encodedMessage['length'])
sys.stdout.write(encodedMessage['content'])
sys.stdout.flush()
if __name__ == "__main__":
# Read message from standard input
receivedMessage = getMessage()
args = []
stdin = None
if len(receivedMessage) == 0:
pass
elif receivedMessage[0] == "insert":
args = ["insert", "-m", receivedMessage[1]]
stdin = receivedMessage[2]
elif receivedMessage[0] == "generate":
args = ["generate", receivedMessage[1], receivedMessage[2]]
if "-n" in receivedMessage:
args.append("-n")
else:
key = receivedMessage[0]
key = "/" + key if key[0] != "/" else key
args.append(key)
# Set up (modified) command environment
env = dict(os.environ)
if "HOME" not in env:
env["HOME"] = os.path.expanduser('~')
for key, val in commandEnv.items():
env[key] = val
# Set up subprocess params
cmd = [command] + args + commandArgs
proc_params = {
'stdout': subprocess.PIPE,
'stderr': subprocess.PIPE,
'env': env
}
if 'stdin' is not None:
proc_params['stdin'] = subprocess.PIPE
# Run and communicate with pass script
proc = subprocess.Popen(cmd, **proc_params)
if stdin is not None:
proc_in = bytes(stdin, charset)
proc_out, proc_err = proc.communicate(input=proc_in)
else:
proc_out, proc_err = proc.communicate()
# Send response
sendMessage(encodeMessage({
"exitCode": proc.returncode,
"stdout": proc_out.decode(charset),
"stderr": proc_err.decode(charset),
"version": VERSION
}))