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Project Description

WebID delegated authentication Python tools (signing and checking auth URLs).

Compatible with auth services running the WebIDDelegatedAuth PHP library.

Requirements

  • Python 2.7
  • M2Crypto (uses OpenSSL)
  • python-dateutil

Examples

Go to doc/examples for a better reading experience (with syntax highlight).

Logging WebID-TLS users

Into your website, by using https://auth.my-profile.eu

from webid_delegated_auth import *

# Public RSA key of https://auth.my-profile.eu
pubkey = """-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvSMeUiMcIGYxr8et1V2I
RVNvgPeBVxDu6q9UYtWXWVlIyLQVDbyuic3RQNaAD2LRjA7P1Hr/fSG4+BX1E90d
hmCNllr9ZxmZOs1xTedWd9iQF4dV4F9SFuO5oVX80dssv4t9cj59KDhIcgN0d3WD
7Nyuh03dRJ4Nq7c22InlSs2pk5FUJsjBtlhZiQWyeUKAkZBh0eWZ5Cf+I4WReNRs
k01u9XXMDm9yE4vRg7Eh7w+Y31E2cuT1zf/dR+PEna1VY+ihM4g+IexZzx6YM6bC
ibdcHoXPNxFkfPSBHmP3QutrDc9LNbDINQTYaKinrHQklIYxFERsqhlGhexnvtG2
iQIDAQAB
-----END PUBLIC KEY-----"""

mp_client = DelegatedAuthClient(pubkey, "https://auth.my-profile.eu/auth/index.php",
                                        # 5 min. Default is 60s
                                        token_expiration=300)

# Callback URL where you will receive the auth URL
# Replace it
cb_url = "https://localhost/login/cb"

# URL to which you should redirect your user
request_url = mp_client.gen_request_url(cb_url)
print request_url

Will display:

https://auth.my-profile.eu/auth/index.php?authreqissuer=https%3A%2F%2Flocalhost%2Flogin%2Fcb

Click on this link and authenticate yourself with your WebID-TLS cert. If you don’t have a cert, you create one quickly on https://my-profile.eu/profile .

You will then be redirect to an URL. Copy it and run the following instructions:

# Redirected URL from auth.my-profile.eu
# Change it
auth_url = "https://localhost/login/cb?webid=https%3A%2F%2Fmy-profile.eu%2Fpeople%2Fbcogrel-testonly%2Fcard%23me&ts=2014-03-23CET13%3A55%3A53%2B01%3A00&sig=gEBEawmo69Tb6vklQIPic1IzUePNZ0rSENCXYtVry55khAKD27DDWI7XNXtle6pLhjo4_BUaPTKLCre640Y5wnat1zTva71N70d7XttfzCQCbzKjp_kdruuY97WslmmFV6hm_0KliuaEHg1m1NAMjawntWwOEC3oAuKhXhIQPgiV4nQNG7x2h53yrP4oJL-q-ltgSI9Fn83mY3Vn6ENu0IN1KC3_aDJ2uERyJEiamX-WbB8OSLxdjN4cmg-Kv1WdSpBTQOmF2MHjvBd7mGwWtJ_Ogr36O1TtyAaEE_z2TUlOeQNE0sW7WRYNma47kUz630nBh3X0nwPTGJkAXpSbMg&referer=https://auth.my-profile.eu"

try:
    webid = mp_client.check(auth_url)

    print "Your webID: %s" % webid

except ExpiredAuthURLError as e:
    # Expired authentication URL (if you used mine)
    print "Error: %s " % e
except UserAuthException as e:
    print "Impossible to authenticate the user. Reason: %s" % e.__class__.__name__

except AuthServiceError as e:
    # Problem with auth.my-profile.eu
    print "Problem with the auth service: %s " % e.__class__.__name__

If you have not changed the auth url, you will see that the following message:

Error: Auth URL has expired XXXX seconds ago

If you take a very long token expiration duration, you will able to see the WebID I used.

Signing Auth URLs

If you can use the URLSigningService to build a WebID authentication service (with or without WebID-TLS):

from webid_delegated_auth import *

private_key = """-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----"""

# Your auth service root URL
# Change it
referer_url = "https://example.org"
signing_service = URLSigningService(private_key, referer_url)


# Tested WebID
webid = "https://my-profile.eu/people/bcogrel-testonly/card#me"
requester_url = "https://localhost/login/cb"

auth_url = signing_service.gen_auth_url(webid, requester_url)
print "Auth URL: %s" % auth_url

# Error: no claim provided by the user
error_url = signing_service.gen_no_claim_error_url(requester_url)
print "No claim error URL: %s" % error_url

Have fun!

Release History

Release History

0.1

This version

History Node

TODO: Figure out how to actually get changelog content.

Changelog content for this version goes here.

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Download Files

Download Files

TODO: Brief introduction on what you do with files - including link to relevant help section.

File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
webid-delegated-auth-0.1.tar.gz (8.6 kB) Copy SHA256 Checksum SHA256 Source Mar 23, 2014

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