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How to check whether the username and password can access the git repository#1959

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BrentHuang asked this question inQ&A
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f"https://{GIT_USERNAME}:{GIT_PASSWORD}@gitee.com/guang11cheng/all_docs.git"

How to use gitpython to check whether the configured username and password can access the git repository?

I just wanted to test the connectivity.

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Replies: 4 comments 1 reply

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You can do that withgit ls-remote <URL> or the equivalent GitPython command. Probably GitPython isn't necessary for this at all.

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image
My scenario is like this: when user configures a git repo_url with username and password, clicking on the 'Test' button tests if the git repository exists and if the access permissions are ok. it's the same as a connection test for a database. Note that the repository has not yet been cloned locally. And the user may not have the git command line installed on their computer.

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@DaveLak
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@Byron is suggesting something like this:

With GitPython

Note: TheRepo.init(tmpdirname, bare=True) line initializes a bare repository in temporary directory (e.g.,/tmp/. This is necessary becausegit ls-remote needs a repository to operate on, but it won't need to actually clone the remote repository to the filesystem.

importtempfilefromgitimportRepodefcheck_git_access(repo_url,username,password):try:withtempfile.TemporaryDirectory()astmpdirname:repo_url_with_creds=f"https://{username}:{password}@{repo_url.split('://')[-1]}"repo=Repo.init(tmpdirname,bare=True)# Add a remote named 'origin' with the URL that includes the username and password# to the repo initialized in the temp dir. This is only used to check access to# the remote repository.origin=repo.create_remote('origin',url=repo_url_with_creds)# Attempt to list the references from the remote repository# If this succeeds, it means the credentials are correct and access is granted.refs=origin.ls()print("Access granted")returnTrueexceptExceptionase:# If there is any exception, it indicates that access was deniedprint(f"Access denied:{e}")returnFalse# Example usagerepo_url="gitee.com/guang11cheng/all_docs.git"username="your_username"password="your_password"check_git_access(repo_url,username,password)

HTTP Request Only Without Git Command Execution

You might be able to use something like Basic Authentication and avoid Git commands entirely though, e.g.

importrequestsfromrequests.authimportHTTPBasicAuthdeftest_git_access(repo_url,username,password):try:response=requests.get(repo_url,auth=HTTPBasicAuth(username,password))ifresponse.status_code==200:return"Access granted: Repository is reachable."elifresponse.status_code==401:return"Access denied: Invalid credentials."else:returnf"Error: Unexpected status code{response.status_code}."exceptrequests.exceptions.RequestExceptionase:returnf"Error:{str(e)}"# Example usagerepo_url="https://gitee.com/guang11cheng/all_docs.git"username="your_username"password="your_password"output=test_git_access(repo_url,username,password)print(output)

That could probably be done in client-side JavaScript too

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After I verified it, neither way works.

The first way, I randomly change the username, password and repo_url, all display 'Access granted'
The second way, always returns 403

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origin.ls()
Access denied: 'Remote' object has no attribute 'ls'

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@BrentHuang@Byron@DaveLak
Converted from issue

This discussion was converted from issue #1958 on August 22, 2024 17:02.


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