q1/main.py
2022-08-12 17:03:55 -04:00

138 lines
3.1 KiB
Python

import os
import boto3
from flask import Flask, redirect, render_template, send_file
from gestalt import Gestalt
def sanitize_key(key):
return key.replace("/", "-")
def rebuild_key(key):
return key.replace("-", "/")
def get_path(key):
s = key.split("/")
return "/".join(s[: len(s) - 1])
def get_filename(key):
s = key.split("/")
return s[len(s) - 1]
def build_s3_client(config: Gestalt):
session = boto3.Session()
access = config.get_string("aws.access_key")
secret = config.get_string("aws.secret_key")
url = config.get_string("aws.endpoint_url", "s3.amazonaws.com")
s3 = session.client(
service_name="s3",
aws_access_key_id=access,
aws_secret_access_key=secret,
endpoint_url=url,
)
return s3
def list_buckets(client):
ret = []
list = client.list_buckets()["Buckets"]
for bucket in list:
ret.append(bucket["Name"])
ret.sort()
return ret
def list_in_bucket(client, bucket, prefix):
ret = []
items = []
if prefix is None or len(prefix) == 0:
items = client.list_objects_v2(Bucket=bucket, Delimiter="/")
else:
items = client.list_objects_v2(
Bucket=bucket, Prefix=f"{prefix}/", Delimiter="/"
)
for item in items.get("Contents", []):
if item.get("Key", None) is not None:
ret.append(item["Key"])
ret.sort()
dirs = []
for item in items.get("CommonPrefixes", []):
if item.get("Prefix", None) is not None:
dirs.append(item["Prefix"])
dirs.sort()
return ret, dirs
def download_object(client, bucket_name, key):
key = rebuild_key(key)
filename = "/tmp" + get_filename(key)
client.download_file(Bucket=bucket_name, Key=key, Filename=filename)
return filename
env = os.environ.get("ENV", "localkube")
app = Flask(__name__)
g = Gestalt()
g.add_config_file(f"./config/{env}.yaml")
g.build_config()
g.auto_env()
s3client = build_s3_client(g)
@app.route("/download/<bucket>/<path:path>")
def download(bucket, path):
global s3client
fname = download_object(s3client, bucket, path)
return send_file(fname, as_attachment=True)
@app.route("/browse/<bucket>", defaults={"path": ""})
@app.route("/browse/<bucket>/", defaults={"path": ""})
@app.route("/browse/<bucket>/<path:path>")
@app.route("/browse/<bucket>/<path:path>/")
def withinBucket(bucket, path):
global s3client
items, dirs = list_in_bucket(s3client, bucket, path)
item_names = []
dir_names = []
for item in items:
item_names.append(item.split("/")[-1])
for item in dirs:
dir_names.append(item.split("/")[-2])
return render_template(
"browser.html",
items=items,
dirs=dirs,
bucket=bucket,
path=path,
itemnames=item_names,
dirnames=dir_names,
)
@app.route("/browse")
@app.route("/browse/")
def sendhome():
return redirect("/", code=302)
@app.route("/")
def root():
global s3client
buckets = list_buckets(s3client)
return render_template("index.html", buckets=buckets)
if __name__ == "__main__":
app.run(host="0.0.0.0", port=8081, debug=True)