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Return Assertion ID #273

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9c357ae
return assertion id as part of user object
Birajpjpt May 25, 2023
287b26b
edit read.me
Birajpjpt May 25, 2023
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1 change: 1 addition & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -132,6 +132,7 @@ Example of the SAML assert response returned:
user:
{ name_id: 'nameid',
session_index: '_abc-3',
assertion_id: '_123',
attributes:
{ 'http://schemas.xmlsoap.org/ws/2005/05/identity/claims/givenname': [ 'Test' ] } } }
```
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10 changes: 10 additions & 0 deletions lib/saml2.coffee
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Expand Up @@ -335,6 +335,14 @@ get_session_info = (dom, index_required=true) ->

info

get_assertion_id = (dom) ->
assertion = dom.getElementsByTagNameNS(XMLNS.SAML, 'Assertion')
throw new Error("Expected 1 Assertion; found #{assertion.length}") unless assertion.length is 1

assertion_id = get_attribute_value assertion[0], 'ID'

assertion_id

# Takes in an xml @dom of an object containing a SAML Assertion and returns and object containing the attributes
# contained within the Assertion. It will throw an error if the Assertion is missing or does not appear to be valid.
parse_assertion_attributes = (dom) ->
Expand Down Expand Up @@ -490,6 +498,7 @@ parse_authn_response = (saml_response, sp_private_keys, idp_certificates, allow_
session_info = get_session_info validated_assertion, require_session_index
user.name_id = get_name_id validated_assertion
user.session_index = session_info.index
user.assertion_id = get_assertion_id validated_assertion
if session_info.not_on_or_after?
user.session_not_on_or_after = session_info.not_on_or_after

Expand Down Expand Up @@ -747,3 +756,4 @@ if process.env.NODE_ENV is "test"
module.exports.add_namespaces_to_child_assertions = add_namespaces_to_child_assertions
module.exports.set_option_defaults = set_option_defaults
module.exports.extract_certificate_data = extract_certificate_data
module.exports.get_assertion_id = get_assertion_id
14 changes: 14 additions & 0 deletions test/saml2.coffee
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Expand Up @@ -266,6 +266,15 @@ describe 'saml2', ->
name_id = saml2.get_name_id dom_from_test_file('good_assertion_explicit_namespaces.xml')
assert.equal name_id, 'tstudent'

describe 'get_assertion_id', ->
it 'gets the correct assertionId', ->
assertion_id = saml2.get_assertion_id dom_from_test_file('good_assertion.xml')
assert.equal assertion_id, '_3'

it 'parses assertions with explicit namespaces', ->
assertion_id = saml2.get_assertion_id dom_from_test_file('good_assertion_explicit_namespaces.xml')
assert.equal assertion_id, '_3'

describe 'get_session_info', ->
it 'gets the correct session index', ->
info = saml2.get_session_info dom_from_test_file('good_assertion.xml')
Expand Down Expand Up @@ -401,6 +410,7 @@ describe 'saml2', ->
user:
name_id: 'tstudent'
session_index: '_3'
assertion_id: '_3'
given_name: 'Test',
email: '[email protected]',
ppid: 'tstudent',
Expand Down Expand Up @@ -449,6 +459,7 @@ describe 'saml2', ->
user:
name_id: 'tstudent',
session_index: '_3'
assertion_id: '_3'
given_name: 'Test'
attributes:
'http://schemas.xmlsoap.org/ws/2005/05/identity/claims/givenname': [ 'Test' ]
Expand Down Expand Up @@ -557,6 +568,7 @@ describe 'saml2', ->
user:
name_id: undefined
session_index: '_4'
assertion_id: '_3'
session_not_on_or_after: '2016-02-11T21:12:09Z'
attributes: {}

Expand Down Expand Up @@ -628,6 +640,7 @@ describe 'saml2', ->
user:
name_id: undefined
session_index: null
assertion_id: '_3'
session_not_on_or_after: '2016-02-11T21:12:09Z'
attributes: {}

Expand Down Expand Up @@ -998,6 +1011,7 @@ describe 'saml2', ->
user:
name_id: 'tstudent'
session_index: '_3'
assertion_id: '_3'
given_name: 'Test',
email: '[email protected]',
ppid: 'tstudent',
Expand Down