192 lines
7.0 KiB
Python
192 lines
7.0 KiB
Python
import json
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import logging
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from app_be.services.dropboxservice import DropboxService
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from app_be.services.hashservice import create_sha512
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from app_be.services.minioservice import MinioService
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from app_be.services.mongodbservice import MongoDBService
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from app_be.services.wrapperservice import WrapperService
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from django.http import HttpRequest
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from django.http import JsonResponse
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from rest_framework.decorators import api_view
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logger = logging.getLogger(__name__)
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class TestApiClass:
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@staticmethod
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@api_view(['GET'])
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def test_api(request):
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logger.debug('Test api call: {}'.format(request))
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return JsonResponse({'Result': 'success'}, safe=False)
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class ImageEndpoint:
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storageServiceList = [DropboxService, MinioService]
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@staticmethod
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@api_view(['GET'])
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def image_api_get_all(request):
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logger.debug('Image GET all call: {}'.format(request))
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print(request)
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metadata = MongoDBService.getAll()
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print(metadata)
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return JsonResponse({'Result': 'success1'}, safe=False)
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@staticmethod
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@api_view(['GET'])
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def image_api_get_single(request, identifier):
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logger.debug('Image GET single call: {}'.format(request))
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# get metadata from MongoDB
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metadata = MongoDBService.getSingle(identifier)
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if not metadata:
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return JsonResponse({'Result': 'Error - could not find any metadata in mongoDB.',
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'id': identifier}, status=404, safe=False)
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logger.debug('Mongo Meta: {}'.format(metadata))
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# get stored SHA512 hash
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stored_hash = metadata.get('sha512', '')
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logger.debug('Sorted SHA512: {}'.format(stored_hash))
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service_image_bytes = None
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for service in ImageEndpoint.storageServiceList:
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logger.debug('Checking hash for ' + service.name)
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# get image bytes from Dropbox
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service_image_bytes = service.read_file(metadata['filename'])
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if service_image_bytes is None:
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return JsonResponse({'Result': 'Error - could not find image in ' + service.name, 'id': identifier},
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status=404, safe=False)
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# calc dropbox image hash
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actual_service_hash = create_sha512(service_image_bytes)
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logger.debug('Actual '+service.name+' SHA512: {}'.format(actual_service_hash))
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if stored_hash != actual_service_hash:
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return JsonResponse('Stored hash in service "'+service.name+'"does not match generated one! '
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'stored: {} actual: {}'.format(stored_hash, actual_service_hash),
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status=400, safe=False)
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payload = {
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'id': identifier,
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'metadata': metadata,
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'image_data': WrapperService.wrap_file(service_image_bytes)
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}
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return JsonResponse(payload, safe=False)
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@staticmethod
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@api_view(['POST'])
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def image_api_post(request: HttpRequest):
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logger.debug('Image POST call: {}'.format(request))
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payload = json.loads(request.body)
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b64encoded_image = payload['image_data']
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identifier = payload['id']
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metadata = payload['metadata']
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filename = payload['metadata']['filename']
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decoded_image = WrapperService.unwrap_file(b64encoded_image)
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if not MongoDBService.createSingle(metadata, identifier, decoded_image):
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print("Could not save metadata")
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return JsonResponse({'Result': 'Error - could not upload to MongoDB', 'id': identifier, 'filename': filename},status=500,safe=False)
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for service in ImageEndpoint.storageServiceList:
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if not service.create_file(filename, decoded_image):
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print("Could not save image to " + service.name)
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return JsonResponse({'Result': 'Error - could not upload to ' + service.name, 'id': identifier, 'filename': filename},status=500, safe=False)
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return JsonResponse({'id': identifier, 'filename': filename},safe=False)
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@staticmethod
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@api_view(['DELETE'])
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def image_api_delete(request: HttpRequest, identifier):
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logger.debug('Image DELETE single call: {}'.format(request))
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result_bool = True
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# get metadata from MongoDB
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metadata = MongoDBService.getSingle(identifier)
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if not metadata:
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return JsonResponse({'Result': 'Error - could not find any metadata in mongoDB.',
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'id': identifier}, status=404, safe=False)
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resp = MongoDBService.deleteSingle(identifier)
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print(resp)
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for service in ImageEndpoint.storageServiceList:
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if not service.delete_file(metadata['filename']):
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print('Error deleting file in ' + service.name)
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result_bool = False
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return JsonResponse({'Result': result_bool}, safe=False)
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@staticmethod
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@api_view(['DELETE'])
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def image_api_delete_all(request: HttpRequest):
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logger.debug('Image DELETE single call: {}'.format(request))
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result_bool = True
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resp = MongoDBService.deleteAll()
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print(resp)
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for service in ImageEndpoint.storageServiceList:
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if not service.delete_all():
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print('Error deleting ' + service.name + ' folder')
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result_bool = False
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return JsonResponse({'Result': result_bool}, safe=False)
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@staticmethod
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@api_view(['PUT'])
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def image_api_update(request, identifier):
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logger.debug('Image UPDATE single call: {}'.format(request))
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# get metadata from MongoDB
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metadata = MongoDBService.getSingle(identifier)
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if not metadata:
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return JsonResponse({'Result': 'Error - Could not find image to be updated',
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'id': identifier}, status=404, safe=False)
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for service in ImageEndpoint.storageServiceList:
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service.delete_file(metadata['filename'])
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MongoDBService.deleteSingle(identifier)
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payload = json.loads(request.body)
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b64encoded_image = payload['image_data']
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identifier = payload['id']
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metadata = payload['metadata']
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filename = payload['metadata']['filename']
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decoded_image = WrapperService.unwrap_file(b64encoded_image)
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MongoDBService.createSingle(metadata, identifier, decoded_image)
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for service in ImageEndpoint.storageServiceList:
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if not service.create_file(filename, decoded_image):
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print("Could not save image to " + service.name)
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return JsonResponse({'id': identifier, 'filename': filename},
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safe=False)
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class HealthEndpoint:
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storageServiceList = [DropboxService, MinioService]
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@staticmethod
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@api_view(['GET'])
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def check_systems(request):
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logger.debug('Check health of all sub-systems')
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response = {'MongoDB': MongoDBService.check()}
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for service in HealthEndpoint.storageServiceList:
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response[service.name] = service.check()
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return JsonResponse(response, safe=False)
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