forked from Github-Mirrors/canaille
81 lines
2 KiB
Python
81 lines
2 KiB
Python
import base64
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import hashlib
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import json
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import re
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from base64 import b64encode
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from io import BytesIO
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import qrcode
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from flask import current_app
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from flask import request
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def obj_to_b64(obj):
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return base64.b64encode(json.dumps(obj).encode("utf-8")).decode("utf-8")
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def b64_to_obj(string):
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return json.loads(base64.b64decode(string.encode("utf-8")).decode("utf-8"))
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def build_hash(*args):
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return hashlib.sha256(
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current_app.config["SECRET_KEY"].encode("utf-8")
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+ obj_to_b64(str(args)).encode("utf-8")
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).hexdigest()
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def default_fields():
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read = set()
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write = set()
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for acl in current_app.config["CANAILLE"]["ACL"].values():
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if not acl.get("FILTER"):
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read |= set(acl.get("READ", []))
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write |= set(acl.get("WRITE", []))
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return read, write
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def get_current_domain():
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if current_app.config.get("SERVER_NAME"):
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return current_app.config.get("SERVER_NAME")
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return request.host
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def get_current_mail_domain():
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if current_app.config["CANAILLE"]["SMTP"]["FROM_ADDR"]:
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return current_app.config["CANAILLE"]["SMTP"]["FROM_ADDR"].split("@")[-1]
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return get_current_domain().split(":")[0]
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def validate_uri(value):
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regex = re.compile(
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r"^(?:[A-Z0-9\\.-]+)s?://" # scheme + ://
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r"(?:(?:[A-Z0-9](?:[A-Z0-9-]{0,61}[A-Z0-9])?\.)+(?:[A-Z]{2,6}\.?|[A-Z0-9-]{2,}\.?)|" # domain...
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r"[A-Z0-9\\.-]+|" # hostname...
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r"\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})" # ...or ip
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r"(?::\d+)?" # optional port
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r"(?:/?|[/?]\S+)$",
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re.IGNORECASE,
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)
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return re.match(regex, value) is not None
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class classproperty:
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def __init__(self, f):
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self.f = f
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def __get__(self, obj, owner):
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return self.f(owner)
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def get_b64encoded_qr_image(data):
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qr = qrcode.QRCode(version=1, box_size=10, border=5)
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qr.add_data(data)
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qr.make(fit=True)
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img = qr.make_image(fill_color="black", back_color="white")
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buffered = BytesIO()
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img.save(buffered)
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return b64encode(buffered.getvalue()).decode("utf-8")
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