add irods 4.3 client env support (#1834)

CHANGELOG.rst

@@ -14,10 +14,14 @@ Added
 - **Irodsbackend**
     - ``get_version()`` helper (#1592, #1817, #1831)
     - ``get_access_lookup()`` helper (#1832)
+- **Irodsinfo**
+    - iRODS v4.3 auth scheme support in client environment (#1834)
 - **Samplesheets**
     - Custom validation for ``sheet_sync_url`` and ``sheet_sync_token`` (#1310, #1384)
     - ``hpo.jax.org`` in ``SHEETS_ONTOLOGY_URL_SKIP`` (#1821)
     - Missing Django settings in siteinfo (#1830)
+- **Taskflowbackend**
+    - iRODS v4.3 support (#1592, #1817, #1832)
 
 Changed
 -------
@@ -32,8 +36,6 @@ Changed
     - Upgrade Vue app dependencies (#1811)
     - Change default IGV genome to ``b37_1kg`` (#1812)
     - Update existing ``b37`` IGV genome settings with a migration (#1812)
-- **Taskflowbackend**
-    - iRODS v4.3 support (#1592, #1817, #1832)
 
 Fixed
 -----

irodsinfo/views.py

@@ -6,6 +6,7 @@
 import zipfile
 
 from irods.exception import NetworkException, CAT_INVALID_AUTHENTICATION
+from packaging import version
 
 from django.conf import settings
 from django.contrib import messages
@@ -43,7 +44,6 @@ def get_irods_client_env(user, irods_backend):
         irods_env = dict(settings.IRODS_ENV_DEFAULT)
         irods_env.update(
             {
-                'irods_authentication_scheme': 'PAM',
                 'irods_cwd': home_path,
                 'irods_home': home_path,
                 'irods_host': settings.IRODS_HOST_FQDN,
@@ -56,6 +56,14 @@ def get_irods_client_env(user, irods_backend):
             irods_env['irods_ssl_certificate_file'] = cert_file_name
         # Get optional client environment overrides
         irods_env.update(dict(settings.IRODS_ENV_CLIENT))
+        # Update authentication scheme with iRODS v4.3+ support
+        with irods_backend.get_session() as irods:
+            irods_version = irods_backend.get_version(irods)
+            if version.parse(irods_version) >= version.parse('4.3'):
+                auth_scheme = 'pam_password'
+            else:
+                auth_scheme = 'PAM'
+            irods_env['irods_authentication_scheme'] = auth_scheme
         irods_env = irods_backend.format_env(irods_env)
         logger.debug('iRODS environment: {}'.format(irods_env))
         return irods_env