cmis: add endpoint to get file metadata (#67612)

passerelle/apps/cmis/models.py

@@ -186,6 +186,33 @@ class CmisConnector(BaseResource):
             bytes_io = doc.getContentStream()
             return HttpResponse(bytes_io, content_type=mime_type)
 
+    @endpoint(
+        description=_('Get file metadata'),
+        perm='can_access',
+        parameters={
+            'object_id': {
+                'description': _('Object ID of file (can also be a path)'),
+            }
+        },
+    )
+    def getmetadata(self, request, object_id):
+        with self.get_cmis_gateway() as cmis_gateway:
+            if '/' in object_id:
+                doc = cmis_gateway.get_object_by_path(object_id)
+            else:
+                doc = cmis_gateway.get_object(object_id)
+
+            metadata = {}
+            for key, value in doc.properties.items():
+                sub_metadata = metadata
+                for subkey in key.split(':')[:-1]:
+                    if subkey not in sub_metadata:
+                        sub_metadata[subkey] = {}
+                    sub_metadata = sub_metadata[subkey]
+                sub_metadata[key.split(':')[-1]] = value
+
+            return {'data': metadata}
+
 
 def wrap_cmis_error(f):
     @functools.wraps(f)

tests/data/cmis/cmis3.out.xml

@@ -77,6 +77,9 @@
       <cmis:propertyDateTime propertyDefinitionId="cmis:creationDate">
         <cmis:value>2020-02-08T19:17:10Z</cmis:value>
       </cmis:propertyDateTime>
+      <cmis:propertyString propertyDefinitionId="rsj:idInsertis">
+        <cmis:value>21N284563</cmis:value>
+      </cmis:propertyString>
     </cmis:properties>
   </cmisra:object>
   <atom:link rel="service" href="http://example.com/cmisatom/test?repositoryId=test" type="application/atomsvc+xml"/>

tests/test_cmis.py

@@ -641,3 +641,42 @@ def test_get_file(mocked_request, app, setup):
     response = app.get(url, params={'object_id': '/test/file'})
     assert response.content_type == 'application/octet-stream'
     assert response.content == b'hello world'
+
+
+@mock.patch('httplib2.Http.request')
+def test_get_metadata(mocked_request, app, setup):
+    url = reverse(
+        'generic-endpoint', kwargs={'connector': 'cmis', 'endpoint': 'getmetadata', 'slug': setup.slug}
+    )
+
+    def cmis_mocked_request(uri, method="GET", body=None, **kwargs):
+        """simulate the HTTP queries involved"""
+        response = {'status': '200'}
+        if method == 'GET' and uri == 'http://example.com/cmisatom':
+            with open('%s/tests/data/cmis/cmis1.out.xml' % os.getcwd(), 'rb') as fd:
+                content = fd.read()
+        elif method == 'GET' and (
+            uri.startswith('http://example.com/cmisatom/test/path?path=/test/file')
+            or uri.startswith(
+                'http://example.com/cmisatom/test/id?id=c4bc9d00-5bf0-404d-8f0a-a6260f6d21ae;1.0'
+            )
+        ):
+            with open('%s/tests/data/cmis/cmis3.out.xml' % os.getcwd(), 'rb') as fd:
+                content = fd.read()
+        elif (
+            method == 'GET'
+            and uri == 'http://example.com/cmisatom/test/content/test2?id=L3Rlc3QtZW8vdGVzdDI%3D'
+        ):
+            content = b'hello world'
+        else:
+            raise Exception('url is not yet mocked: %s' % uri)
+        return (response, content)
+
+    mocked_request.side_effect = cmis_mocked_request
+    response = app.get(url, params={'object_id': 'c4bc9d00-5bf0-404d-8f0a-a6260f6d21ae;1.0'})
+    assert response.json['data']['cmis']['contentStreamFileName'] == 'test2'
+    assert response.json['data']['rsj']['idInsertis'] == '21N284563'
+
+    response = app.get(url, params={'object_id': '/test/file'})
+    assert response.json['data']['cmis']['contentStreamFileName'] == 'test2'
+    assert response.json['data']['rsj']['idInsertis'] == '21N284563'