Bash script to backup data to google drive [duplicate] - bash

Question

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Upload and update files in google drive via cmd [closed]
(3 answers)
Closed 6 years ago.
I want to create a bash script that will log into my google drive account and backup my main folder. I've done a bit of research and I know we need some sort of OAuth for using the Google Drive API but I'm still fairly new so I thought I can get some solid guidance from the stack community.

Answer 1

I guess you don't need to re-invent the wheel, use gdrive and you're good to go
SETUP:
wget -O drive "https://drive.google.com/uc?id=0B3X9GlR6EmbnMHBMVWtKaEZXdDg"
mv drive /usr/sbin/drive
chmod 755 /usr/sbin/drive
Now, simply run drive to start the authentication process. You'll get a link like this to paste and browse to in to your web browser:
Go to the following link in your browser:
https://accounts.google.com/o/oauth2/auth?client_id=123456789123-7n0vf5akeru7on6o2fjinrecpdoe99eg.apps.googleusercontent.com&redirect_uri=urn%3Aietf%3Awg%3Aoauth%3A2.0%3Aoob&response_type=code&scope=https%3A%2F%2Fwww.googleapis.com%2Fauth%2Fdrive&state=state
Authenticate and provide permission for the application to access your Google Drive, and then you'll be provided a verification code to copy and paste back in to your shell:
Enter verification code: 4/9gKYAFAJ326XIP6JJHAEhs342t35LPiA5QGW0935GHWHy9
USAGE:
drive upload --file "/some/path/somefile.ext"
SRC:
Backing up a Directory to Google Drive on CentOS 7
NOTE:
If you really want to build a bash script take a look at this gist , i.e.:
automatically gleans MIME type from file
uploads multiple files
removes directory prefix from filename
works with filenames with spaces
uses dotfile for configuration and token
interactively configuring
uploads to target folder if last argument looks like a folder id
quieter output
uses longer command line flags for readability
throttle by adding curl_args="--limit-rate 500K" to $HOME/.gdrive.conf
#!/bin/bash
# based on https://gist.github.com/deanet/3427090
#
# useful $HOME/.gdrive.conf options:
# curl_args="--limit-rate 500K --progress-bar"
browser="Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/35.0.1916.153 Safari/537.36"
destination_folder_id=${#: -1}
if expr "$destination_folder_id" : '^[A-Za-z0-9]\{28\}$' > /dev/null
then
# all but last word
set -- "${#:0:$#}"
else
# upload to root
unset destination_folder_id
fi
if [ -e $HOME/.gdrive.conf ]
then
. $HOME/.gdrive.conf
fi
old_umask=`umask`
umask 0077
if [ -z "$username" ]
then
read -p "username: " username
unset token
echo "username=$username" >> $HOME/.gdrive.conf
fi
if [ -z "$account_type" ]
then
if expr "$username" : '^[^#]*$' > /dev/null || expr "$username" : '.*#gmail.com$' > /dev/null
then
account_type=GOOGLE
else
account_type=HOSTED
fi
fi
if [ -z "$password$token" ]
then
read -s -p "password: " password
unset token
echo
fi
if [ -z "$token" ]
then
token=`curl --silent --data-urlencode Email=$username --data-urlencode Passwd="$password" --data accountType=$account_type --data service=writely --data source=cURL "https://www.google.com/accounts/ClientLogin" | sed -ne s/Auth=//p`
sed -ie '/^token=/d' $HOME/.gdrive.conf
echo "token=$token" >> $HOME/.gdrive.conf
fi
umask $old_umask
for file in "$#"
do
slug=`basename "$file"`
mime_type=`file --brief --mime-type "$file"`
upload_link=`curl --silent --show-error --insecure --request POST --header "Content-Length: 0" --header "Authorization: GoogleLogin auth=${token}" --header "GData-Version: 3.0" --header "Content-Type: $mime_type" --header "Slug: $slug" "https://docs.google.com/feeds/upload/create-session/default/private/full${destination_folder_id+/folder:$destination_folder_id/contents}?convert=false" --dump-header - | sed -ne s/"Location: "//p`
echo "$file:"
curl --request POST --output /dev/null --data-binary "#$file" --header "Authorization: GoogleLogin auth=${token}" --header "GData-Version: 3.0" --header "Content-Type: $mime_type" --header "Slug: $slug" "$upload_link" $curl_args
done