pairdrop/pairdrop-cli/pairdrop

383 lines
11 KiB
Bash

#!/bin/bash
set -e
# PairDrop version when this file was last changed
version="v1.10.4"
############################################################
# Help #
############################################################
help()
{
# Display Help
echo "Send files or text with PairDrop via command-line interface."
echo "Current domain: ${DOMAIN}"
echo
echo "Usage:"
echo -e "Open PairDrop:\t\t$(basename "$0")"
echo -e "Send files:\t\t$(basename "$0") file1/directory1 (file2/directory2 file3/directory3 ...)"
echo -e "Send text:\t\t$(basename "$0") -t \"text\""
echo -e "Specify domain:\t\t$(basename "$0") -d \"https://pairdrop.net/\""
echo -e "Show this help text:\t$(basename "$0") (-h|--help)"
echo
echo "This pairdrop-cli version was released alongside ${version}"
}
openPairDrop()
{
url="$DOMAIN"
if [[ -n $params ]];then
url="${url}?${params}"
fi
if [[ -n $hash ]];then
url="${url}#${hash}"
fi
echo "PairDrop is opening at $DOMAIN"
if [[ $OS == "Windows" ]];then
start "$url"
elif [[ $OS == "Mac" ]];then
open "$url"
elif [[ $OS == "WSL" || $OS == "WSL2" ]];then
powershell.exe /c "Start-Process ${url}"
else
xdg-open "$url" > /dev/null 2>&1
fi
exit
}
setOs()
{
unameOut=$(uname -a)
case "${unameOut}" in
*Microsoft*) OS="WSL";; #must be first since Windows subsystem for linux will have Linux in the name too
*microsoft*) OS="WSL2";; #WARNING: My v2 uses ubuntu 20.4 at the moment slightly different name may not always work
Linux*) OS="Linux";;
Darwin*) OS="Mac";;
CYGWIN*) OS="Cygwin";;
MINGW*) OS="Windows";;
*Msys) OS="Windows";;
*) OS="UNKNOWN:${unameOut}"
esac
}
specifyDomain()
{
[[ ! $1 = http* ]] || [[ ! $1 = */ ]] && echo "Incorrect format. Specify domain like https://pairdrop.net/" && exit
echo "DOMAIN=${1}" > "$config_path"
echo -e "Domain is now set to:\n$1\n"
}
sendText()
{
params="base64text=hash"
hash=$(echo -n "${OPTARG}" | base64)
if [[ $(echo -n "$hash" | wc -m) -gt 32600 ]];then
params="base64text=paste"
if [[ $OS == "Windows" || $OS == "WSL" || $OS == "WSL2" ]];then
echo -n "$hash" | clip.exe
elif [[ $OS == "Mac" ]];then
echo -n "$hash" | pbcopy
else
(echo -n "$hash" | xclip) || echo "You need to install xclip for sending bigger files from cli"
fi
hash=
fi
openPairDrop
exit
}
escapePSPath()
{
local path=$1
# escape '[' and ']' with grave accent (`) character
pathPS=${path//[/\`[}
pathPS=${pathPS//]/\`]}
# escape single quote (') with another single quote (')
pathPS=${pathPS//\'/\'\'}
# Convert GitHub bash path "/i/path" to Windows path "I:/path"
if [[ $pathPS == /* ]]; then
# Remove preceding slash
pathPS="${pathPS#/}"
# Convert drive letter to uppercase
driveLetter=$(echo "${pathPS::1}" | tr '[:lower:]' '[:upper:]')
# Put together absolute path as used in Windows
pathPS="${driveLetter}:${pathPS:1}"
fi
echo "$pathPS"
}
sendFiles()
{
params="base64zip=hash"
workingDir="$(pwd)"
tmpDir="/tmp/pairdrop-cli-temp/"
tmpDirPS="\$env:TEMP/pairdrop-cli-temp/"
index=0
directoryBaseNamesUnix=()
directoryPathsUnix=()
filePathsUnix=()
directoryCount=0
fileCount=0
pathsPS=""
#create tmp folder if it does not exist already
if [[ ! -d "$tmpDir" ]]; then
mkdir "$tmpDir"
fi
for arg in "$@"; do
echo "$arg"
[[ ! -e "$arg" ]] && echo "The given path $arg does not exist." && exit
# Remove trailing slash from directory
arg="${arg%/}"
# get absolute path and basename of file/directory
absolutePath=$(realpath "$arg")
baseName=$(basename "$absolutePath")
directoryPath=$(dirname "$absolutePath")
if [[ -d $absolutePath ]]; then
# is directory
((directoryCount+=1))
# add basename and directory path to arrays
directoryBaseNamesUnix+=("$baseName")
directoryPathsUnix+=("$directoryPath")
else
# is file
((fileCount+=1))
absolutePathUnix=$absolutePath
# append new path and separate paths with space
filePathsUnix+=("$absolutePathUnix")
fi
# Prepare paths for PowerShell on Windows
if [[ $OS == "Windows" ]];then
absolutePathPS=$(escapePSPath "$absolutePath")
# append new path and separate paths with commas
pathsPS+="'${absolutePathPS}', "
fi
# set fileNames on first loop
if [[ $index == 0 ]]; then
baseNameU=${baseName// /_}
# Prevent baseNameU being empty for hidden files by removing the preceding dot
if [[ $baseNameU == .* ]]; then
baseNameU=${baseNameU#.*}
fi
# only use trunk of basename "document.txt" -> "document"
baseNameTrunk=${baseNameU%.*}
# remove all special characters
zipName=${baseNameTrunk//[^a-zA-Z0-9_]/}
zipToSendAbs="${tmpDir}${zipName}_pairdrop.zip"
wrapperZipAbs="${tmpDir}${zipName}_pairdrop_wrapper.zip"
if [[ $OS == "Windows" ]];then
zipToSendAbsPS="${tmpDirPS}${zipName}_pairdrop.zip"
wrapperZipAbsPS="${tmpDirPS}${zipName}_pairdrop_wrapper.zip"
fi
fi
((index+=1)) # somehow ((index++)) stops the script
done
# Prepare paths for PowerShell on Windows
if [[ $OS == "Windows" ]];then
# remove trailing comma
pathsPS=${pathsPS%??}
fi
echo "Preparing ${fileCount} files and ${directoryCount} directories..."
# if arguments include files only -> zip files once so files it is unzipped by sending browser
# if arguments include directories -> wrap first zip in a second wrapper zip so that after unzip by sending browser a zip file is sent to receiver
#
# Preferred zip structure:
# pairdrop "d1/d2/d3/f1" "../../d4/d5/d6/f2" "d7/" "../d8/" "f5"
# zip structure: pairdrop.zip
# |-f1
# |-f2
# |-d7/
# |-d8/
# |-f5
# -> truncate (relative) paths but keep directories
[[ -e "$zipToSendAbs" ]] && echo "Cannot overwrite $zipToSendAbs. Please remove first." && exit
if [[ $OS == "Windows" ]];then
# Powershell does preferred zip structure natively
powershell.exe -Command "Compress-Archive -Path ${pathsPS} -DestinationPath ${zipToSendAbsPS}"
else
# Workaround needed to create preferred zip structure on unix systems
# Create zip file with all single files by junking the path
if [[ $fileCount != 0 ]]; then
zip -q -b /tmp/ -j -0 -r "$zipToSendAbs" "${filePathsUnix[@]}"
fi
# Add directories recursively to zip file
index=0
while [[ $index < $directoryCount ]]; do
# workaround to keep directory name but junk the rest of the paths
# cd to path above directory
cd "${directoryPathsUnix[index]}"
# add directory to zip without junking the path
zip -q -b /tmp/ -0 -u -r "$zipToSendAbs" "${directoryBaseNamesUnix[index]}"
# cd back to working directory
cd "$workingDir"
((index+=1)) # somehow ((index++)) stops the script
done
fi
# If directories are included send as zip
# -> Create additional zip wrapper which will be unzipped by the sending browser
if [[ "$directoryCount" != 0 ]]; then
echo "Bundle as ZIP file..."
# Prevent filename from being absolute zip path by "cd"ing to directory before zipping
zipToSendDirectory=$(dirname "$zipToSendAbs")
zipToSendBaseName=$(basename "$zipToSendAbs")
cd "$zipToSendDirectory"
[[ -e "$wrapperZipAbs" ]] && echo "Cannot overwrite $wrapperZipAbs. Please remove first." && exit
if [[ $OS == "Windows" ]];then
powershell.exe -Command "Compress-Archive -Path ${zipToSendBaseName} -DestinationPath ${wrapperZipAbsPS} -CompressionLevel Optimal"
else
zip -q -b /tmp/ -0 "$wrapperZipAbs" "$zipToSendBaseName"
fi
cd "$workingDir"
# remove inner zip file and set wrapper as zipToSend (do not differentiate between OS as this is done via Git Bash on Windows)
rm "$zipToSendAbs"
zipToSendAbs=$wrapperZipAbs
fi
# base64 encode zip file
if [[ $OS == "Mac" ]];then
hash=$(base64 -i "$zipToSendAbs")
else
hash=$(base64 -w 0 "$zipToSendAbs")
fi
# remove zip file (do not differentiate between OS as this is done via Git Bash on Windows)
rm "$zipToSendAbs"
if [[ $(echo -n "$hash" | wc -m) -gt 1000 ]];then
params="base64zip=paste"
# Copy $hash to clipboard
if [[ $OS == "Windows" || $OS == "WSL" || $OS == "WSL2" ]];then
echo -n "$hash" | clip.exe
elif [[ $OS == "Mac" ]];then
echo -n "$hash" | pbcopy
elif [ -n "$WAYLAND_DISPLAY" ]; then
# Wayland
if ! command -v wl-copy &> /dev/null; then
echo -e "You need to install 'wl-copy' to send bigger filePathsUnix from cli"
echo "Try: sudo apt install wl-clipboard"
exit 1
fi
# Workaround to prevent use of Pipe which has a max letter limit
echo -n "$hash" > /tmp/pairdrop-cli-temp/pairdrop_hash_temp
wl-copy < /tmp/pairdrop-cli-temp/pairdrop_hash_temp
rm /tmp/pairdrop-cli-temp/pairdrop_hash_temp
else
# X11
if ! command -v xclip &> /dev/null; then
echo -e "You need to install 'xclip' to send bigger filePathsUnix from cli"
echo "Try: sudo apt install xclip"
exit 1
fi
echo -n "$hash" | xclip -sel c
fi
hash=
fi
openPairDrop
exit
}
############################################################
############################################################
# Main program #
############################################################
############################################################
script_path="$( cd -- "$(dirname "$0")" >/dev/null 2>&1 ; pwd -P )"
pushd . > '/dev/null';
script_path="${BASH_SOURCE[0]:-$0}";
while [ -h "$script_path" ];
do
cd "$( dirname -- "$script_path"; )";
script_path="$( readlink -f -- "$script_path"; )";
done
cd "$( dirname -- "$script_path"; )" > '/dev/null';
script_path="$( pwd; )";
popd > '/dev/null';
config_path="${script_path}/.pairdrop-cli-config"
# If config file does not exist, try to create it. If it fails log error message and exit
[ ! -f "$config_path" ] &&
specifyDomain "https://pairdrop.net/" &&
[ ! -f "$config_path" ] &&
echo "Could not create config file. Add 'DOMAIN=https://pairdrop.net/' to a file called .pairdrop-cli-config in the same file as this 'pairdrop' bash file (${script_path})" &&
exit
# Read config variables
export "$(grep -v '^#' "$config_path" | xargs)"
setOs
############################################################
# Process the input options. Add options as needed. #
############################################################
# Get the options
# open PairDrop if no options are given
[[ $# -eq 0 ]] && openPairDrop && exit
# display help and exit if first argument is "--help" or more than 2 arguments are given
[ "$1" == "--help" ] && help && exit
while getopts "d:ht:*" option; do
case $option in
d) # specify domain - show help and exit if too many arguments
[[ $# -gt 2 ]] && help && exit
specifyDomain "$2"
exit;;
t) # Send text - show help and exit if too many arguments
[[ $# -gt 2 ]] && help && exit
sendText
exit;;
h | ?) # display help and exit
help
exit;;
esac
done
# Send file(s)
sendFiles "$@"