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#!/usr/bin/env bash
# Author: Alexander Epstein https://github.com/alexanderepstein
configuredDownloadClient=""
configuredUploadClient=""
configuredClient=""
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currentVersion="1.19.2"
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down="false"
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## This function determines which http get tool the system has installed and returns an error if there isnt one
getConfiguredDownloadClient()
{
if command -v curl &>/dev/null; then
configuredDownloadClient="curl"
elif command -v wget &>/dev/null; then
configuredDownloadClient="wget"
elif command -v fetch &>/dev/null; then
configuredDownloadClient="fetch"
else
echo "Error: Downloading with this tool reqires either curl, wget, or fetch to be installed." >&2
return 1
fi
}
## Allows to call the users configured client without if statements everywhere
httpGet()
{
case "$configuredClient" in
curl) curl -A curl -s "$@" ;;
wget) wget -qO- "$@" ;;
httpie) http -b GET "$@" ;;
fetch) fetch -q "$@" ;;
esac
}
## This function determines which http get tool the system has installed and returns an error if there isnt one
getConfiguredClient()
{
if command -v curl &>/dev/null; then
configuredClient="curl"
elif command -v wget &>/dev/null; then
configuredClient="wget"
elif command -v http &>/dev/null; then
configuredClient="httpie"
elif command -v fetch &>/dev/null; then
configuredClient="fetch"
else
echo "Error: This tool reqires either curl, wget, httpie or fetch to be installed." >&2
return 1
fi
}
## This function determines which http get tool the system has installed and returns an error if there isnt one
getconfiguredUploadClient()
{
if command -v curl &>/dev/null; then
configuredUploadClient="curl"
elif command -v wget &>/dev/null; then
configuredUploadClient="wget"
else
echo "Error: Uploading with this tool reqires either curl or wget to be installed." >&2
return 1
fi
}
## Allows to call the users configured client without if statements everywhere
httpDownload()
{
case "$configuredDownloadClient" in
curl) curl -A curl --progress -o "$tempOutputPath/$3" "https://transfer.sh/$2/$3" || { echo "Failure!"; return 1;};;
wget) wget --progress=dot -O "$tempOutputPath/$3" "https://transfer.sh/$2/$3" || { echo "Failure!"; return 1;} ;;
fetch) fetch -q -o "$tempOutputPath/$3" "https://transfer.sh/$2/$3" || { echo "Failure!"; return 1;};;
esac
}
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update()
{
# Author: Alexander Epstein https://github.com/alexanderepstein
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# Update utility version 2.2.0
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# To test the tool enter in the defualt values that are in the examples for each variable
repositoryName="Bash-Snippets" #Name of repostiory to be updated ex. Sandman-Lite
githubUserName="alexanderepstein" #username that hosts the repostiory ex. alexanderepstein
nameOfInstallFile="install.sh" # change this if the installer file has a different name be sure to include file extension if there is one
latestVersion=$(httpGet https://api.github.com/repos/$githubUserName/$repositoryName/tags | grep -Eo '"name":.*?[^\\]",'| head -1 | grep -Eo "[0-9.]+" ) #always grabs the tag without the v option
if [[ $currentVersion == "" || $repositoryName == "" || $githubUserName == "" || $nameOfInstallFile == "" ]]; then
echo "Error: update utility has not been configured correctly." >&2
exit 1
elif [[ $latestVersion == "" ]]; then
echo "Error: no active internet connection" >&2
exit 1
else
if [[ "$latestVersion" != "$currentVersion" ]]; then
echo "Version $latestVersion available"
echo -n "Do you wish to update $repositoryName [Y/n]: "
read -r answer
if [[ "$answer" == [Yy] ]]; then
cd ~ || { echo 'Update Failed'; exit 1; }
if [[ -d ~/$repositoryName ]]; then rm -r -f $repositoryName || { echo "Permissions Error: try running the update as sudo"; exit 1; } ; fi
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echo -n "Downloading latest version of: $repositoryName."
git clone -q "https://github.com/$githubUserName/$repositoryName" && touch .BSnippetsHiddenFile || { echo "Failure!"; exit 1; } &
while [ ! -f .BSnippetsHiddenFile ]; do { echo -n "."; sleep 2; };done
rm -f .BSnippetsHiddenFile
echo "Success!"
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cd $repositoryName || { echo 'Update Failed'; exit 1; }
git checkout "v$latestVersion" 2> /dev/null || git checkout "$latestVersion" 2> /dev/null || echo "Couldn't git checkout to stable release, updating to latest commit."
chmod a+x install.sh #this might be necessary in your case but wasnt in mine.
./$nameOfInstallFile "update" || exit 1
cd ..
rm -r -f $repositoryName || { echo "Permissions Error: update succesfull but cannot delete temp files located at ~/$repositoryName delete this directory with sudo"; exit 1; }
else
exit 1
fi
else
echo "$repositoryName is already the latest version"
fi
fi
}
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checkInternet()
{
httpGet github.com > /dev/null 2>&1 || { echo "Error: no active internet connection" >&2; return 1; } # query github with a get request
}
singleDownload()
{
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if [[ ! -d $1 ]];then { echo "Directory doesn't exist, creating it now..."; mkdir -p $1;};fi
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tempOutputPath=$1
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if [ -f "$tempOutputPath/$3" ];then
echo -n "File aleady exists at $tempOutputPath/$3, do you want to delete it? [Y/n] "
read -r answer
if [[ "$answer" == [Yy] ]] ;then
rm -f $tempOutputPath/$3
else
echo "Stopping download"
return 1
fi
fi
echo "Downloading $3"
httpDownload "$tempOutputPath" "$2" "$3"
echo "Success!"
}
httpSingleUpload()
{
case "$configuredUploadClient" in
curl) response=$(curl -A curl --progress --upload-file "$1" "https://transfer.sh/$2") || { echo "Failure!"; return 1;};;
wget) response=$(wget --progress=dot --method PUT --body-file="$1" "https://transfer.sh/$2") || { echo "Failure!"; return 1;} ;;
esac
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echo "Success!"
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}
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printUploadResponse()
{
fileID=$(echo $response | cut -d "/" -f 4)
cat <<EOF
Transfer Download Command: transfer -d desiredOutputDirectory $fileID $tempFileName
Transfer File URL: $response
EOF
}
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singleUpload()
{
filePath=$(echo $1 | sed s:"~":$HOME:g)
if [ ! -f $filePath ];then { echo "Error: invalid file path"; return 1;}; fi
tempFileName=$(echo $1 | sed "s/.*\///")
echo "Uploading $tempFileName"
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httpSingleUpload "$filePath" "$tempFileName"
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}
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usage()
{
cat <<EOF
Transfer
Description: Quickly transfer files from the command line.
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Usage: transfer [flags] or transfer [flag] [args] or transfer [filePathToUpload]
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-d Download a single file
First arg: Output file directory
Second arg: File url id
Third arg: File name
-u Update Bash-Snippet Tools
-h Show the help
-v Get the tool version
Examples:
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transfer ~/fileToTransfer.txt
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transfer ~/firstFileToTransfer.txt ~/secondFileToTransfer.txt ~/thirdFileToTransfer.txt
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transfer -d ~/outputDirectory fileID fileName
EOF
}
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while getopts "d:uvh" opt; do
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case "$opt" in
\?) echo "Invalid option: -$OPTARG" >&2
exit 1
;;
h) usage
exit 0
;;
v) echo "Version $currentVersion"
exit 0
;;
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u)
getConfiguredClient || exit 1
checkInternet || exit 1
update || exit 1
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exit 0
;;
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d)
down="true"
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if [ $# -lt 4 ];then { echo "Error: not enough arguments for downloading a file, see the usage"; return 1;};fi
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if [ $# -gt 4 ];then { echo "Error: to many enough arguments for downloading a file, see the usage"; return 1;};fi
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inputFilePath=$(echo "$*" | sed s/-d//g | cut -d " " -f 2)
inputID=$(echo "$*" | sed s/-d//g | cut -d " " -f 3)
inputFileName=$(echo "$*" | sed s/-d//g | cut -d " " -f 4)
;;
:) echo "Option -$OPTARG requires an argument." >&2
exit 1
;;
esac
done
if [[ $# == "0" ]]; then
usage
exit 0
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elif [[ $# == "1" ]];then
if [[ $1 == "help" ]]; then
usage
exit 0
elif [[ $1 == "update" ]]; then
getConfiguredClient || exit 1
checkInternet || exit 1
update || exit 1
exit 0
elif [ -f $1 ];then
getConfiguredClient || exit 1
checkInternet || exit 1
getconfiguredUploadClient || exit 1
singleUpload "$1" || exit 1
printUploadResponse
exit 0
else
echo "Error: invalid filepath"
exit 1
fi
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else
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if $down;then
getConfiguredClient || exit 1
checkInternet || exit 1
getConfiguredDownloadClient || exit 1
singleDownload "$inputFilePath" "$inputID" "$inputFileName" || exit 1
exit 0
else
getConfiguredClient || exit 1
checkInternet || exit 1
getconfiguredUploadClient || exit 1
for path in "$@";do
singleUpload "$path" || exit 1
printUploadResponse
echo
done
exit 0
fi
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fi