def complete_transfer(tid):
signature = request.form.get("signature", None)
if signature is None:
raise ValueError("Need value for signature.")
if not security.hmac_compare(app.config["BASEJUMP_KEY"], tid, signature):
raise ValueError("Invalid credentials.")
with db_session() as s:
transfer = s.query(Transfer).filter(Transfer.id == tid and Transfer.started == True).first()
if transfer is None:
raise ValueError("No such transfer.")
filepath = filecache.get_file_path(transfer.file.key)
if not os.path.exists(filepath):
raise ValueError("File not found.")
transfer.progress = 100
s.add(transfer)
emails = []
d = datetime.datetime.now()
for subscriber in transfer.subscribers:
emails.append(subscriber.email)
subscriber.last_notified = d
s.add(subscriber)
message = """Your file transfer of {filename} is complete.\
Please download it at {download_url} in the next week,\
otherwise it may be deleted to make room.""".format(filename=transfer.file.file_name(),
download_url=url_for("download_file", key=transfer.file.key, _external=True))
subject = "HPSS Transfer Complete"
mailer.send_email(subject, message, emails)
s.commit()
def queued_jobs(timestamp=None, signed_stamp=None):
if None in (timestamp, signed_stamp):
raise ValueError("No credentials provided.")
if not security.hmac_compare(app.config["BASEJUMP_KEY"], timestamp, signed_stamp):
raise ValueError("Invalid credentials.")
with db_session() as s:
transfers = s.query(Transfer).filter(Transfer.started == False)
details = [{"id": t.id, "key": t.file.key, "path": t.file.path} for t in transfers.all()]
return jsonify(details)
def update_transfer(tid):
progress, signature = request.form.get("progress", None), request.form.get("signature", None)
if None in (progress, signature):
raise ValueError("Need value for progress and signature.")
if not security.hmac_compare(app.config["BASEJUMP_KEY"], progress, signature):
raise ValueError("Invalid credentials.")
try:
progress = int(progress)
except:
raise ValueError("Invalid progress value.")
with db_session() as s:
transfer = s.query(Transfer).filter(Transfer.id == tid and Transfer.started == True).first()
if transfer is None:
raise ValueError("No such transfer.")
transfer.progress = progress
s.add(transfer)
s.commit()
def start_transfer(tid):
if "signature" not in request.form:
raise ValueError("No credentials provided.")
signature = request.form["signature"]
if not security.hmac_compare(app.config["BASEJUMP_KEY"], "/transfers/%s/start" % (tid), signature):
raise ValueError("Invalid credentials.")
with db_session() as s:
transfer = s.query(Transfer).filter(Transfer.id == tid).first()
if transfer is None:
raise ValueError("No such transfer.")
f = transfer.file
if not filecache.make_space_for(f.size):
response = jsonify({"result": "failure"})
# "Entity Too Large" error
response.status_code = 413
response.headers["Retry-After"] = "24"
return response
transfer.started = True
s.add(transfer)
s.commit()
return jsonify({"result": "success", "filepath": filecache.get_file_path(f.key)})