Scripts and tools to help with oauth2 services and access token queries
This bash script is used to authenticate with Google's OAuth2 service and generate/refresh access tokens.
- Optains google oauth2 tokens and caches it locally
- Silently dumps the access token to stdout, even on intitial authenication
- Very Useful as 'PassCmd' commands for apps that require oauth2 authentication
- see mbsync example below
Example command line:
$ oauth2-google.sh --client_id=123456789.apps.googleusercontent.com --client_secret=abcdefg --scope=https://mail.google.com/
To create client app id and secret, please refere Google documentation
Usage: oauth2-google.sh --option=value ...
Options:
--client-id : Client ID
--client-secret : Client Secret
--login : Login Hint, optional (email)
--scope : Scope (default: https://mail.google.com/)
--port : Port (default: 8088)
--browser : Browser (default: firefox)
--store : Directory to cache token files (default: $HOME/.var/g-oauth2/)
--help : This help
Output: access_token
This bash script is used to authenticate with Microsoft's OAuth2 service and generate/refresh access tokens.
Usage: $ oauth2-ms.sh --option=value ...
Options:
--client-id : Client ID
--scope : Scope (default: https://outlook.office.com/IMAP.AccessAsUser.All)
--port : Port (default: 8087)
--browser : Browser (default: firefox)
--store : Directory to cache token files (default: $HOME/.var/ms-oauth2/)
--help : This help
Output: access_token
Example: oauth2-ms.sh --client_id=12345
dot file (mbsyncrc)
IMAPAccount gmail
Host imap.gmail.com
User <username>@gmail.com
PassCmd "oauth2-google.sh --client_id=<cid> --client_secret=<cs> --login=<username>@gmail.com --browser=google-chrome"
SSLType IMAPS
AuthMechs XOAUTH2
install SASL xoauth Plugin for mbsync AuthMechs XOAUTH2 to work
# install cyrus sasl libs
sudo dnf install cyrus-sasl cyrus-sasl-devel
# requirements
sudo dnf install libtool automake
# cyrus-sasl-xoauth2 plugin
git clone https://github.com/moriyoshi/cyrus-sasl-xoauth2.git
cd cyrus-sasl-xoauth2
./autogen.sh
./configure
make
sudo make install
# todo: prefix=/usr/lib64 or somthing better than below
sudo mv /usr/lib/sasl2/* /usr/lib64/sasl2/
# validate:
sasl2-shared-mechlist | grep -i xoauth2
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