mirror of
https://github.com/GSA/notifications-admin.git
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103 lines
3.1 KiB
Python
103 lines
3.1 KiB
Python
import uuid
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import botocore
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from boto3 import resource
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from flask import current_app
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from notifications_utils.s3 import s3upload as utils_s3upload
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FILE_LOCATION_STRUCTURE = 'service-{}-notify/{}.csv'
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TEMP_TAG = 'temp-{user_id}_'
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LOGO_LOCATION_STRUCTURE = '{temp}{unique_id}-{filename}'
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def get_s3_object(bucket_name, filename):
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s3 = resource('s3')
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return s3.Object(bucket_name, filename)
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def delete_s3_object(filename):
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bucket_name = current_app.config['LOGO_UPLOAD_BUCKET_NAME']
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get_s3_object(bucket_name, filename).delete()
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def rename_s3_object(old_name, new_name):
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bucket_name = current_app.config['LOGO_UPLOAD_BUCKET_NAME']
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get_s3_object(bucket_name, new_name).copy_from(
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CopySource='{}/{}'.format(bucket_name, old_name))
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delete_s3_object(old_name)
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def get_s3_objects_filter_by_prefix(prefix):
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bucket_name = current_app.config['LOGO_UPLOAD_BUCKET_NAME']
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s3 = resource('s3')
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return s3.Bucket(bucket_name).objects.filter(Prefix=prefix)
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def get_temp_truncated_filename(filename, user_id):
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return filename[len(TEMP_TAG.format(user_id=user_id)):]
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def s3upload(service_id, filedata, region):
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upload_id = str(uuid.uuid4())
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upload_file_name = FILE_LOCATION_STRUCTURE.format(service_id, upload_id)
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utils_s3upload(filedata=filedata['data'],
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region=region,
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bucket_name=current_app.config['CSV_UPLOAD_BUCKET_NAME'],
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file_location=upload_file_name)
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return upload_id
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def s3download(service_id, upload_id):
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contents = ''
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try:
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bucket_name = current_app.config['CSV_UPLOAD_BUCKET_NAME']
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upload_file_name = FILE_LOCATION_STRUCTURE.format(service_id, upload_id)
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key = get_s3_object(bucket_name, upload_file_name)
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contents = key.get()['Body'].read().decode('utf-8')
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except botocore.exceptions.ClientError as e:
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current_app.logger.error("Unable to download s3 file {}".format(
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FILE_LOCATION_STRUCTURE.format(service_id, upload_id)))
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raise e
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return contents
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def upload_logo(filename, filedata, region, user_id):
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upload_file_name = LOGO_LOCATION_STRUCTURE.format(
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temp=TEMP_TAG.format(user_id=user_id),
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unique_id=str(uuid.uuid4()),
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filename=filename
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)
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bucket_name = current_app.config['LOGO_UPLOAD_BUCKET_NAME']
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utils_s3upload(
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filedata=filedata,
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region=region,
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bucket_name=bucket_name,
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file_location=upload_file_name,
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content_type='image/png'
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)
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return upload_file_name
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def persist_logo(filename, user_id):
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if filename.startswith(TEMP_TAG.format(user_id=user_id)):
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persisted_filename = get_temp_truncated_filename(
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filename=filename, user_id=user_id)
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else:
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return filename
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rename_s3_object(filename, persisted_filename)
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return persisted_filename
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def delete_temp_files_created_by(user_id):
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for obj in get_s3_objects_filter_by_prefix(TEMP_TAG.format(user_id=user_id)):
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delete_s3_object(obj.key)
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def delete_temp_file(filename):
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if not filename.startswith(TEMP_TAG[:5]):
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raise ValueError('Not a temp file: {}'.format(filename))
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delete_s3_object(filename)
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