366 lines
12 KiB
Python
366 lines
12 KiB
Python
import re
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import sys
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from datetime import datetime, timedelta
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from flask import Blueprint
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from flask import flash
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from flask import current_app
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from flask import g
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from flask import request
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from flask import session
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from flask import render_template
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from flask import redirect
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from flask import url_for
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from werkzeug.exceptions import abort
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from nanoid import generate
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from capsulflask.metrics import durations as metric_durations
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from capsulflask.auth import account_required
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from capsulflask.db import get_model, my_exec_info_message
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from capsulflask.payment import poll_btcpay_session
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from capsulflask import cli
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bp = Blueprint("console", __name__, url_prefix="/console")
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def makeCapsulId():
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lettersAndNumbers = generate(alphabet="1234567890qwertyuiopasdfghjklzxcvbnm", size=10)
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return f"capsul-{lettersAndNumbers}"
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def double_check_capsul_address(id, ipv4):
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try:
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result = current_app.config["HUB_MODEL"].get(id)
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if result.ipv4 != ipv4:
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ipv4 = result.ipv4
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get_model().update_vm_ip(email=session["account"], id=id, ipv4=result.ipv4)
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except:
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current_app.logger.error(f"""
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the virtualization model threw an error in double_check_capsul_address of {id}:
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{my_exec_info_message(sys.exc_info())}"""
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)
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return ipv4
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@bp.route("/")
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@account_required
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def index():
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vms = get_vms()
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vms = list(filter(lambda x: not x['deleted'], vms))
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created = request.args.get('created')
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# this is here to prevent xss
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if created and not re.match(r"^(cvm|capsul)-[a-z0-9]{10}$", created):
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created = '___________'
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# for now we are going to check the IP according to the virt model
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# on every request. this could be done by a background job and cached later on...
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for vm in vms:
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vm["ipv4"] = double_check_capsul_address(vm["id"], vm["ipv4"])
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vms = list(map(
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lambda x: dict(
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id=x['id'],
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size=x['size'],
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ipv4=(x['ipv4'] if x['ipv4'] else "..booting.."),
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ipv4_status=("ok" if x['ipv4'] else "waiting-pulse"),
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os=x['os'],
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created=x['created'].strftime("%b %d %Y")
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), vms
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))
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return render_template("capsuls.html", vms=vms, has_vms=len(vms) > 0, created=created)
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@bp.route("/<string:id>", methods=("GET", "POST"))
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@account_required
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def detail(id):
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duration=request.args.get('duration')
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if not duration:
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duration = "5m"
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vm = get_model().get_vm_detail(email=session["account"], id=id)
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if vm is None:
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return abort(404, f"{id} doesn't exist.")
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if vm['deleted']:
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return render_template("capsul-detail.html", vm=vm, delete=True, deleted=True)
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if request.method == "POST":
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if "csrf-token" not in request.form or request.form['csrf-token'] != session['csrf-token']:
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return abort(418, f"u want tea")
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if 'are_you_sure' not in request.form or not request.form['are_you_sure']:
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return render_template(
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"capsul-detail.html",
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csrf_token = session["csrf-token"],
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vm=vm,
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delete=True,
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deleted=False
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)
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else:
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current_app.logger.info(f"deleting {vm['id']} per user request ({session['account']})")
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current_app.config["HUB_MODEL"].destroy(email=session['account'], id=id)
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get_model().delete_vm(email=session['account'], id=id)
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return render_template("capsul-detail.html", vm=vm, delete=True, deleted=True)
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else:
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vm["ipv4"] = double_check_capsul_address(vm["id"], vm["ipv4"])
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vm["created"] = vm['created'].strftime("%b %d %Y %H:%M")
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vm["ssh_public_keys"] = ", ".join(vm["ssh_public_keys"]) if len(vm["ssh_public_keys"]) > 0 else "<missing>"
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return render_template(
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"capsul-detail.html",
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csrf_token = session["csrf-token"],
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vm=vm,
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delete=False,
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durations=list(map(lambda x: x.strip("_"), metric_durations.keys())),
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duration=duration
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)
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@bp.route("/create", methods=("GET", "POST"))
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@account_required
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def create():
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vm_sizes = get_model().vm_sizes_dict()
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operating_systems = get_model().operating_systems_dict()
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ssh_public_keys = get_model().list_ssh_public_keys_for_account(session["account"])
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account_balance = get_account_balance(get_vms(), get_payments(), datetime.utcnow())
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capacity_avaliable = current_app.config["HUB_MODEL"].capacity_avaliable(512*1024*1024)
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errors = list()
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if request.method == "POST":
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if "csrf-token" not in request.form or request.form['csrf-token'] != session['csrf-token']:
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return abort(418, f"u want tea")
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size = request.form["size"]
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os = request.form["os"]
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if not size:
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errors.append("Size is required")
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elif size not in vm_sizes:
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errors.append(f"Invalid size {size}")
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if not os:
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errors.append("OS is required")
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elif os not in operating_systems:
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errors.append(f"Invalid os {os}")
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posted_keys_count = int(request.form["ssh_public_key_count"])
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posted_keys = list()
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if posted_keys_count > 1000:
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errors.append("something went wrong with ssh keys")
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else:
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for i in range(0, posted_keys_count):
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if f"ssh_key_{i}" in request.form:
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posted_name = request.form[f"ssh_key_{i}"]
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key = None
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for x in ssh_public_keys:
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if x['name'] == posted_name:
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key = x
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if key:
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posted_keys.append(key)
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else:
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errors.append(f"SSH Key \"{posted_name}\" doesn't exist")
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if len(posted_keys) == 0:
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errors.append("At least one SSH Public Key is required")
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capacity_avaliable = current_app.config["HUB_MODEL"].capacity_avaliable(vm_sizes[size]['memory_mb']*1024*1024)
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if not capacity_avaliable:
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errors.append("""
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host(s) at capacity. no capsuls can be created at this time. sorry.
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""")
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if len(errors) == 0:
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id = makeCapsulId()
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get_model().create_vm(
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email=session["account"],
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id=id,
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size=size,
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os=os,
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ssh_public_keys=list(map(lambda x: x["name"], posted_keys))
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)
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current_app.config["HUB_MODEL"].create(
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email = session["account"],
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id=id,
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template_image_file_name=operating_systems[os]['template_image_file_name'],
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vcpus=vm_sizes[size]['vcpus'],
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memory_mb=vm_sizes[size]['memory_mb'],
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ssh_public_keys=list(map(lambda x: x["content"], posted_keys))
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)
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return redirect(f"{url_for('console.index')}?created={id}")
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affordable_vm_sizes = dict()
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for key, vm_size in vm_sizes.items():
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if vm_size["dollars_per_month"] <= account_balance:
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affordable_vm_sizes[key] = vm_size
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for error in errors:
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flash(error)
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if not capacity_avaliable:
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current_app.logger.warning(f"when capsul capacity is restored, send an email to {session['account']}")
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return render_template(
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"create-capsul.html",
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csrf_token = session["csrf-token"],
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capacity_avaliable=capacity_avaliable,
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account_balance=format(account_balance, '.2f'),
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ssh_public_keys=ssh_public_keys,
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ssh_public_key_count=len(ssh_public_keys),
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no_ssh_public_keys=len(ssh_public_keys) == 0,
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operating_systems=operating_systems,
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cant_afford=len(affordable_vm_sizes) == 0,
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vm_sizes=affordable_vm_sizes
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)
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@bp.route("/ssh", methods=("GET", "POST"))
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@account_required
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def ssh_public_keys():
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errors = list()
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if request.method == "POST":
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if "csrf-token" not in request.form or request.form['csrf-token'] != session['csrf-token']:
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return abort(418, f"u want tea")
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method = request.form["method"]
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content = None
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name = request.form["name"]
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if not name or len(name.strip()) < 1:
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if method == "POST":
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parts = re.split(" +", request.form["content"])
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if len(parts) > 2 and len(parts[2].strip()) > 0:
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name = parts[2].strip()
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else:
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name = parts[0].strip()
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else:
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errors.append("Name is required")
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if not re.match(r"^[0-9A-Za-z_@. -]+$", name):
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errors.append("Name must match \"^[0-9A-Za-z_@. -]+$\"")
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if method == "POST":
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content = request.form["content"]
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if not content or len(content.strip()) < 1:
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errors.append("Content is required")
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else:
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content = content.replace("\r", "").replace("\n", "")
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if not re.match(r"^(ssh|ecdsa)-[0-9A-Za-z+/_=@. -]+$", content):
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errors.append("Content must match \"^(ssh|ecdsa)-[0-9A-Za-z+/_=@. -]+$\"")
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if get_model().ssh_public_key_name_exists(session["account"], name):
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errors.append("A key with that name already exists")
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if len(errors) == 0:
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get_model().create_ssh_public_key(session["account"], name, content)
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elif method == "DELETE":
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if len(errors) == 0:
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get_model().delete_ssh_public_key(session["account"], name)
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for error in errors:
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flash(error)
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keys_list=list(map(
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lambda x: dict(name=x['name'], content=f"{x['content'][:20]}...{x['content'][len(x['content'])-20:]}"),
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get_model().list_ssh_public_keys_for_account(session["account"])
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))
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return render_template(
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"ssh-public-keys.html",
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csrf_token = session["csrf-token"],
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ssh_public_keys=keys_list,
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has_ssh_public_keys=len(keys_list) > 0
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)
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def get_vms():
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if 'user_vms' not in g:
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g.user_vms = get_model().list_vms_for_account(session["account"])
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return g.user_vms
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def get_payments():
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if 'user_payments' not in g:
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g.user_payments = get_model().list_payments_for_account(session["account"])
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return g.user_payments
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average_number_of_days_in_a_month = 30.44
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def get_vm_months_float(vm, as_of):
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end_datetime = vm["deleted"] if vm["deleted"] else as_of
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days = float((end_datetime - vm["created"]).total_seconds())/float(60*60*24)
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if days < 1:
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days = float(1)
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return days / average_number_of_days_in_a_month
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def get_account_balance(vms, payments, as_of):
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vm_cost_dollars = 0.0
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for vm in vms:
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vm_months = get_vm_months_float(vm, as_of)
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vm_cost_dollars += vm_months * float(vm["dollars_per_month"])
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payment_dollars_total = float( sum(map(lambda x: 0 if x["invalidated"] else x["dollars"], payments)) )
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return payment_dollars_total - vm_cost_dollars
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@bp.route("/account-balance")
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@account_required
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def account_balance():
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payment_sessions = get_model().list_payment_sessions_for_account(session['account'])
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for payment_session in payment_sessions:
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if payment_session['type'] == 'btcpay':
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poll_btcpay_session(payment_session['id'])
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payments = get_payments()
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vms = get_vms()
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balance_1w = get_account_balance(vms, payments, datetime.utcnow() + timedelta(days=7))
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balance_1d = get_account_balance(vms, payments, datetime.utcnow() + timedelta(days=1))
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balance_now = get_account_balance(vms, payments, datetime.utcnow())
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warning_index = -1
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warning_text = ""
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warnings = cli.get_warnings_list()
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for i in range(0, len(warnings)):
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if warnings[i]['get_active'](balance_1w, balance_1d, balance_now):
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warning_index = i
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if warning_index > -1:
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pluralize_capsul = "s" if len(vms) > 1 else ""
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warning_id = warnings[warning_index]['id']
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warning_text = cli.get_warning_headline(warning_id, pluralize_capsul)
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vms_billed = list()
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for vm in get_vms():
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vm_months = get_vm_months_float(vm, datetime.utcnow())
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vms_billed.append(dict(
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id=vm["id"],
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dollars_per_month=vm["dollars_per_month"],
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created=vm["created"].strftime("%b %d %Y"),
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deleted=vm["deleted"].strftime("%b %d %Y") if vm["deleted"] else "N/A",
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months=format(vm_months, '.3f'),
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dollars=format(vm_months * float(vm["dollars_per_month"]), '.2f')
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))
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return render_template(
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"account-balance.html",
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has_vms=len(vms_billed)>0,
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vms_billed=vms_billed,
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warning_text=warning_text,
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payments=list(map(
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lambda x: dict(
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dollars=x["dollars"],
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class_name="invalidated" if x["invalidated"] else "",
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created=x["created"].strftime("%b %d %Y")
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),
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payments
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)),
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has_payments=len(payments)>0,
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account_balance=format(balance_now, '.2f')
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)
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