ping-drive
Symfony Console command that reports its attempts at locating and reading the contents of a Google Drive folder or file., (*1)
Inspired by the terminal command of the same name: ping, (*2)
Designed be used in the context of the Symfony Console application at https://github.com/xmlsquad/xml-authoring-tools which, in turn, is used in the context of a known directory structure which is based on xml-authoring-project., (*3)
This simple command should be used to test our connection and access to a specific Google Drive entity (file or folder). To that end it should do as little as possible other than provide feedback on its progress., (*4)
Requirements
- PHP ≥7.1
-
Composer (required for installation)
- Google API Key
How to get a Google API client secret file
The following installation and usage instructions assume that you have created an O Auth Google API key and stored it locally on your workstation., (*5)
- Open Google API console.
- Create a project or select an existing project.
- Enable the following APIs in the project: Drive and Sheets.
- Go to the "Credentials" section, "Credentials" tab and create an "OAuth client ID" credential. Or use an existing OAuth credential.
- Click the download button (⬇️) at the right of the "OAuth 2.0 client IDs" list.
Installation
Installing as a standalone project
Open a terminal and run:, (*6)
# Using composer's create-project command
composer create-project xmlsquad/ping-drive <directoryName>
or, (*7)
# Cloning the git project
git clone https://github.com/xmlsquad/ping-drive.git <directoryName>
composer install -d <directoryName>
Where <directoryName> is the directory where the command must be installed. In this case the command is started by running:, (*8)
php <directoryName>/bin/ping-drive --help
Further options and arguments are described in the Usage section below., (*9)
Installing as a project dependency
Open a terminal, go to the project root directory and run:, (*10)
composer require xmlsquad/ping-drive
In this case the command is started by running:, (*11)
php vendor/bin/ping-drive --help
Usage
The command operates on behalf a Google user. So, you will need to authenticate during, at least, the first run. I say, 'at least' because, if --gApiAccessTokenFile is provided, the authentication token can be stored for following invocations., (*12)
To use it, run the command and follow its instructions., (*13)
The command signature:
ping-drive -v --gApiOAuthSecretFile=GAPIOAUTHSECRETFILE --gApiAccessTokenFile=ACCESS-TOKEN-FILE --forceAuthenticate -q URL
-
URL specifies a URL to ping. This argument is required.
-
-v or --verbose turns the verbose mode on. In this mode a detailed progress information is printed. Otherwise only the key information is printed.
-
--gApiOAuthSecretFile specifies a path to a JSON file with a Google API client secret. See below how to get it.
-
--gApiAccessTokenFile specifies a path to a JSON file with a Google API access token. Access token file is optional. If a file path is set, the access token will be saved and subsequent executions will not prompt for authorization. If the given file doesn't exist, it will be created.
-
--forceAuthenticate makes the command prompt for Google authentication even if an access token is presented. You can use it when you face an authorization problem or need to authenticate to another account.
-
-q or --quiet makes the command print nothing.
Behaviours
The command prints the URL information:, (*14)
(See examples of each type with screenshots and the expected output from the command line), (*15)
Usage example:
php vendor/bin/ping-drive -v https://drive.google.com/drive/u/0/folders/0B5q9i2h-vGaCQXhLZFNLT2JyV0U
# Prints the folder content
The command exists with status code 0 if the file is accessible and status code 1 if the file is not accessible.
So the command can be used in complex bash scripts, for example:, (*16)
if [[ ping-drive -q ... ]]; then echo "Success!"; else echo "Fail"; fi
Using with configuration file
The client secret and the access token paths can be read from a configuration file.
In this case you don't need to set this options while starting the command., (*17)
The configuration file must be named XmlAuthoringProjectSettings.yaml and located in the directory where the command is run or in one of the parent directories.
XmlAuthoringProjectSettings.yaml.dist is an example of the configuration file with required parameters., (*18)
Troubleshooting
If you have an error message starting with Failed to authenticate to Google: and the rest of the message doesn't give much information, do the following:, (*19)
- Double check to ensure you followed the API Key instructons and are using the correct type of key.
- Try to authenticate from scratch by running the command with the
--forceAuthenticate option.
- If it doesn't help, create a Google API client secret file again and make sure the command uses the new file. You can see what secret file is used by running the command with the
-v option.
Contribution
- Clone the repository.
- Install the dependencies by running
composer install in a console.
- Make a change. Make sure the code follows the PSR-2 standard.
- Test the code by running
composer test. If the test fails, fix the code.
- Commit and push the changes.
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