Initial commit of the Python library

Author: Samuel Hassine

README.md

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+# OpenCTI - Official Python client
+
+The official OpenCTI Python client helps developers to use the OpenCTI API by providing a lot of easy to use methods and utils.
+
+## Python client
+
+```bash
+$ pip3 install pycti
+```
+
+## Documentation
+
+*TODO*
+
+## About
+
+OpenCTI is a product powered by the [Luatix](https://www.luatix.org) non-profit organization.

examples/stix2/config.yml.sample

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+opencti:
+  api_url: 'http://opencti.example.com'
+  api_key : 'XXxxXxXXxxX'
+  verbose: true
+
+mitre:
+  repository_path_cti: '/home/user/git/cti'

examples/stix2/export.py

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+# coding: utf-8
+
+import os
+import yaml
+import json
+
+from python.pycti.opencti import OpenCTI
+
+# Load configuration
+config = yaml.load(open(os.path.dirname(__file__) + '/config.yml'))
+
+# Export file
+export_file = './exports/IntrusionSets.json'
+
+# OpenCTI initialization
+opencti = OpenCTI(config['opencti']['api_url'], config['opencti']['api_key'], config['opencti']['log_file'], config['opencti']['verbose'])
+
+# Import the bundle
+bundle = opencti.stix2_export_entity('report', '466872bd-41d0-3d38-af2f-0b964b7ff993', 'full')
+
+with open(export_file, 'w') as file:
+    json.dump(bundle, file, indent=4)

examples/stix2/import.py

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+# coding: utf-8
+
+import os
+import yaml
+
+from python.pycti.opencti import OpenCTI
+
+# Load configuration
+config = yaml.load(open(os.path.dirname(__file__) + '/config.yml'))
+
+# File to import
+file_to_import = config['mitre']['repository_path_cti'] + '/enterprise-attack/enterprise-attack.json'
+
+# OpenCTI initialization
+opencti = OpenCTI(config['opencti']['api_url'], config['opencti']['api_key'], config['opencti']['log_file'], config['opencti']['verbose'])
+
+# Import the bundle
+opencti.stix2_import_bundle_from_file(file_to_import)

pycti/__init__.py

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+from .opencti import OpenCTI