fix: recognize api.atlassian.com as Cloud URL for Multi-Cloud OAuth (sooperset#561)

- Add api.atlassian.com to Cloud URL detection pattern
- Fixes email-based user lookups in Multi-Cloud OAuth mode
- Add test coverage for Multi-Cloud OAuth URL pattern

Reported-by: MuhammadAli-208
Github-Issue: sooperset#560

Author: sooperset

src/mcp_atlassian/utils/urls.py

@@ -35,4 +35,5 @@ def is_atlassian_cloud_url(url: str) -> bool:
         ".atlassian.net" in hostname
         or ".jira.com" in hostname
         or ".jira-dev.com" in hostname
+        or "api.atlassian.com" in hostname
     )

tests/unit/utils/test_urls.py

@@ -22,6 +22,21 @@ def test_is_atlassian_cloud_url_cloud():
     assert is_atlassian_cloud_url("https://team.jira-dev.com") is True
 
 
+def test_is_atlassian_cloud_url_multi_cloud_oauth():
+    """Test that is_atlassian_cloud_url returns True for Multi-Cloud OAuth URLs."""
+    # Test api.atlassian.com URLs used by Multi-Cloud OAuth
+    assert (
+        is_atlassian_cloud_url("https://api.atlassian.com/ex/jira/abc123/rest/api/2/")
+        is True
+    )
+    assert (
+        is_atlassian_cloud_url("https://api.atlassian.com/ex/confluence/xyz789/")
+        is True
+    )
+    assert is_atlassian_cloud_url("http://api.atlassian.com/ex/jira/test/") is True
+    assert is_atlassian_cloud_url("https://api.atlassian.com") is True
+
+
 def test_is_atlassian_cloud_url_server():
     """Test that is_atlassian_cloud_url returns False for Atlassian Server/Data Center URLs."""
     # Test with various server/data center domains