Initial commit

Crx/connection.py

@@ -0,0 +1,77 @@
+from typing import Union
+
+import requests
+from urllib.parse import urljoin
+
+from .simplenode import SimpleNode
+
+
+# TODO validation
+
+"""
+http://localhost:4502/crx/de/init.jsp?_dc=1549392939742
+http://localhost:4502/crx/de/nodetypes.jsp?_dc=1549392939958
+http://localhost:4502/crx/server/crx.default/jcr%3aroot/libs.1.json?_dc=1549392123434&node=xnode-265
+http://localhost:4502/crx/de/query.jsp?_dc=1549392245191&_charset_=utf-8&type=xpath&stmt=%2Fjcr%3Aroot%2Fbin%2F%2F*%5Bjcr%3Acontains(.%2C%20%27asdf%27)%5D%20order%20by%20%40jcr%3Ascore&showResults=true
+"""
+
+CRX_SERVER_ROOT = '/crx/server/crx.default/jcr:root/'
+CRX_QUERY = '/crx/de/query.jsp'
+
+JSON_DATA_EXTENSION = '.1.json'
+
+
+class CrxException(ValueError):
+    pass
+
+
+class Connection:
+    def __init__(self,
+                 host: str = 'localhost',
+                 port: int = 4502,
+                 protocol: str = 'http',
+                 root: str = CRX_SERVER_ROOT,
+                 query: str = CRX_QUERY):
+
+        self.host = f'{protocol}://{host}:{port}'
+        self.data_root = self.host + root
+        self.query_path = self.host + query
+
+        self.session = requests.session()
+
+    def login_basic(self, username: str, password: str):
+        self.session.auth = (username, password)
+
+    def get_node_raw(self, path: str):
+        url = urljoin(self.data_root, '.' + path + JSON_DATA_EXTENSION)
+        try:
+            response = self.session.get(url)
+        except requests.exceptions.RequestException as exception:
+            raise CrxException()  # todo more specific exceptions
+
+        try:
+            data = response.json()
+        except ValueError:
+            raise  # todo
+
+        return data
+
+    def get_simple_node(self, path: str) -> SimpleNode:
+        return SimpleNode(path, self.get_node_raw(path), self)
+
+    def rename_node(self, old_path: str, new_path: str):
+        diff = f'>{old_path} : {new_path}'
+        resp = self.session.post(self.data_root, data={':diff': diff})
+        resp.raise_for_status()
+
+    def apply_diff(self, diff: Union[str, bytes]):
+        files = {
+            ':diff': (
+                None,
+                diff,
+                'text/plain; charset=utf-8'
+            )
+        }
+        # todo check for exception
+        resp = self.session.post(self.data_root, files=files)
+        resp.raise_for_status()