semanticLinking: SSL + message format

src/data-hub/semantic-linking-microservice/app/configs/swagger_local.yml

+swagger: "2.0"
+info:
+  title: Semantic Linking microservice
+  description: This is the documentation for the semantic linking microservice.
+  version: "1.0.0"
+
+consumes:
+  - "application/json"
+produces:
+  - "application/json"
+
+basePath: "/api"
+
+paths:
+  /debug:
+    post:
+      operationId: "routes.debug.echo"
+      tags:
+        - "Echo"
+      summary: "Echo function for debugging purposes"
+      description: "Echoes the input back to the caller."
+      parameters:
+        - in: body
+          name: "Object"
+          required: true
+          schema:
+            type: object
+      responses:
+        '200':
+          description: "Successful echo of request data"
+
+   #Raw_dataset region
+  /raw_dataset:
+    post:
+        operationId: "routes.raw-dataset.post"
+        tags:
+          - "Raw_Dataset"
+        summary: "Add a new dataset [TODO: or overwrite an existing one]"
+        parameters:
+          - in: body
+            name: "raw_dataset"
+            description: "The raw dataset to be added"
+            required: true
+            schema:
+              $ref: "#/definitions/Dataset"
+        responses:
+          '201':
+            description: "Successful operation"
+          '400':
+            description: "Invalid input"
+    get:
+        operationId: "routes.raw-dataset.get"
+        tags:
+          - "raw_dataset"
+        summary: "Get all datasets"
+        parameters: []
+        responses:
+          '200':
+            description: "Successful operation"
+            schema:
+              $ref: "#/definitions/DatasetCollection"
+
+  /raw_dataset/{name}:
+        get:
+          operationId: "routes.raw-dataset.get_by_usecase"
+          tags:
+            - "raw_dataset"
+          summary: "Get single usecase dataset"
+          parameters:
+            - name: "name"
+              in: "path"
+              description: "Name of the requested usecase dataset"
+              required: true
+              type: "string"
+          responses:
+            '200':
+              description: "Successful operation"
+              schema:
+                $ref: "#/definitions/Dataset"
+            '404':
+              description: "dataset not found"
+
+
+    #end region
+
+    #region Layers
+  /layers:
+     get:
+       operationId: "routes.layers.get"
+       tags:
+         - "Layers"
+       summary: "Get all layer data"
+       parameters: []
+       responses:
+         '200':
+           description: "Successful operation"
+           schema:
+             $ref: "#/definitions/LayerCollection"
+
+  /layers/{name}:
+     get:
+       operationId: "routes.layers.get_by_name"
+       tags:
+         - "Layers"
+       summary: "Get single layer data"
+       parameters:
+         - name: "name"
+           in: "path"
+           description: "Name of the requested layer"
+           required: true
+           type: "string"
+       responses:
+         '200':
+           description: "Successful operation"
+           schema:
+             $ref: "#/definitions/Layer"
+         '404':
+           description: "Layer not found"
+
+  /layers/{name}/nodes:
+     get:
+       operationId: "routes.layers.get_nodes"
+       tags:
+         - "Layers"
+       summary: "Get all individual nodes for the layer"
+       parameters:
+         - name: "name"
+           in: "path"
+           description: "Name of the layer"
+           required: true
+           type: "string"
+       responses:
+         '200':
+           description: "Successful operation"
+           schema:
+             $ref: "#/definitions/NodeCollection"
+         '404':
+           description: "Layer not found"
+
+
+  /multilayer:
+     get:
+       operationId: "routes.multilayer.test_multilayer_get_function"
+       tags:
+         - "Multilayer"
+       summary: "some demo testing"
+       parameters: []
+       responses:
+         '200':
+           description: "Successful echo of request data"
+
+  /agi/multilayer/multilayer.png:
+    get:
+      operationId: "routes.multilayer.get_image"
+      tags:
+        - "Multilayer" 
+      summary: "Returning the multilayer created from AGI data"
+      parameters: []
+      produces:
+        - "image/png"
+      responses:
+        '200':
+          description: "Successful echo of request data"
+
+  /graphinfo:
+     get:
+         operationId: "routes.graphinfo.get"
+         tags:
+           - "GraphInfo"
+         summary: "Get info about clustered nodes"
+         description: "Returns multiple metrics for all nodes created by analyzing and clustering the blockchain traces"
+         parameters: []
+         responses:
+           '200':
+             description: "Successful operation"
+             schema:
+               $ref: "#/definitions/NodeInfo"
+
+definitions:
+  NodeInfo:
+    type: "object"
+    properties:
+      label:
+        type: string
+      centrality:
+        type: number
+      adjacencies:
+        type: integer
+      degree:
+        type: number
+      betweenness:
+        type: object
+        properties:
+            to_node:
+                type: integer
+            value: 
+                type: number
+      betweenness_centrality:
+        type: number
+  Layer:
+    type: object
+    properties:
+        layer_name:
+            type: string
+        properties:
+            type: array
+            items:
+                type: string
+
+  LayerCollection:
+    type: array
+    items:
+        $ref: "#/definitions/Layer"
+  Dataset:
+    type: object
+    properties:
+        usecase_name:
+            type: string
+        properties:
+            type: array
+            items:
+                type: string
+
+  DatasetCollection:
+    type: array
+    items:
+        $ref: "#/definitions/Dataset"
+  Node:
+    type: object
+    example:
+        "Finished_time": 1576631193265951
+        "Latitude_Destination": -5.973257
+        "Longitude_Destination": 37.416316
+        "TravelID": "5e57ec9159bc0668543f156a"
+        "TravelPrice": 15
+        "UniqueID": "a95075f5042b1b27060080156d87fe34ec7e712c5e57ec9159bc0668543f156a"
+        "UserID": "a95075f5042b1b27060080156d87fe34ec7e712c"
+
+  NodeCollection:
+    type: array
+    items:
+        $ref: "#/definitions/Node"

src/data-hub/semantic-linking-microservice/app/main.py

 # add modules folder to interpreter path
 import sys
 import os
+import prance
+from pathlib import Path
 modules_path = '../../../modules/'
 if os.path.exists(modules_path):
     sys.path.insert(1, modules_path)
@@ -13,6 +15,8 @@ LOGGER = logging.getLogger(__name__)
 
 #################################
 import connexion
+from security import swagger_util
+from env_info import is_running_locally
 from messaging.ReconnectingMessageManager import ReconnectingMessageManager
 from messaging.MessageHandler import MessageHandler
 
@@ -23,15 +27,31 @@ def message_received_callback(channel, method, properties, body):
 
 # load swagger config
 app = connexion.App(__name__, specification_dir='configs/')
-app.add_api('swagger.yml')
 
 @app.route('/', methods=['GET'])
 def api_root():
     return 'Endpoint of semantic-linking-microservice!'
 
+# SSL configuration
+try:
+    certificate_path = os.environ['ARTICONF_CERTIFICATE_PATH']
+except KeyError:
+    certificate_path = '/srv/articonf/'
+context = (os.path.normpath(f'{certificate_path}/articonf1.crt'), os.path.normpath(f'{certificate_path}/articonf1.key')) # certificate and key files
+
+if is_running_locally():
+    # Local Mode
+    print("Running with local settings...")
+    app.add_api(swagger_util.get_bundled_specs(Path("configs/swagger_local.yml")),
+                resolver = connexion.RestyResolver("cms_rest_api"))
+    context = 'adhoc'
+else:
+    app.add_api(swagger_util.get_bundled_specs(Path("configs/swagger.yml")),
+                resolver = connexion.RestyResolver("cms_rest_api"))
+
 # start app
 if __name__ == '__main__':
     message_manager = ReconnectingMessageManager.getInstance()
     message_manager.start_consuming('datahub', 'direct', 'semantic-linking', True, message_received_callback)
 
-    app.run(host='0.0.0.0', port=5000, debug=True, use_reloader=False)
+    app.run(host='0.0.0.0', port=5000, debug=True, use_reloader=False, ssl_context=context)

src/data-hub/semantic-linking-microservice/app/messaging/MessageHandler.py

 import json
 import requests
+from typing import Dict
 from threading import Thread
 import network_constants as netconst
 
@@ -24,11 +25,16 @@ class MessageHandler:
             LOGGER.warning("Message has no type field and is ignored")
             return
         
-        if message['type'] == 'new-traces-available':
+        if message['type'] == 'new-trace':
+            self.handle_new_trace(message['content'])
+        elif message['type'] == 'new-traces-available':
             self.handle_new_traces_available()
         else:
             LOGGER.info("Message Type could not be processed")
-            
+    
+    def handle_new_trace(self, content: Dict):
+        pass
+
     def handle_new_traces_available(self):
         # get all traces and call the Processor
         url = f'http://{netconst.TRACE_RETRIEVAL_HOSTNAME}:{netconst.TRACE_RETRIEVAL_REST_PORT}/api/trace'

src/data-hub/semantic-linking-microservice/app/requirements.txt

 astroid==2.4.2
 attrs==19.3.0
 certifi==2020.4.5.2
+cffi==1.14.2
 chardet==3.0.4
 click==7.1.2
 clickclick==1.2.2
 colorama==0.4.3
 connexion==2.7.0
+cryptography==3.1
 Flask==1.1.2
 idna==2.9
 importlib-metadata==1.6.1
@@ -19,11 +21,14 @@ MarkupSafe==1.1.1
 mccabe==0.6.1
 openapi-spec-validator==0.2.8
 pika==1.1.0
+prance==0.19.0
+pycparser==2.20
 pylint==2.5.3
 pymongo==3.10.1
 pyrsistent==0.16.0
 PyYAML==5.3.1
 requests==2.23.0
+semver==2.10.2
 six==1.15.0
 swagger-ui-bundle==0.0.6
 toml==0.10.1

src/transaction-hub-in/trace-retrieval-microservice/app/messaging/MessageHandler.py

@@ -111,6 +111,7 @@ class MessageHandler:
             flattened[mapping] = final_value
         
         flattened["UniqueID"] = hashlib.sha256(flattened["UniqueID"].encode("utf-8")).hexdigest()
+
         return flattened
 
     def handle_blockchain_transaction(self, transaction: Dict):
@@ -146,9 +147,14 @@ class MessageHandler:
         transaction = Transaction(use_case, flattened)
         MessageHandler._repository.add_transaction(transaction)
 
-        msg = json.dumps(transaction.to_serializable_dict())
+        msg = {
+            "type": "new-trace",
+            "content": transaction.to_serializable_dict(),
+        }
+
+        msg_string = json.dumps(msg)
 
-        print(msg)
+        print("OUT: "+msg_string)
         
         # inform semantic linking microservice
-        # self._message_sender.send_message('datahub', 'semantic-linking', msg)
+        self._message_sender.send_message('datahub', 'semantic-linking', msg_string)
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