forked from open-webui/open-webui
40 lines
1.1 KiB
Python
40 lines
1.1 KiB
Python
import hashlib
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import re
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def get_gravatar_url(email):
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# Trim leading and trailing whitespace from
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# an email address and force all characters
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# to lower case
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address = str(email).strip().lower()
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# Create a SHA256 hash of the final string
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hash_object = hashlib.sha256(address.encode())
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hash_hex = hash_object.hexdigest()
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# Grab the actual image URL
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return f"https://www.gravatar.com/avatar/{hash_hex}?d=mp"
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def calculate_sha256(file):
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sha256 = hashlib.sha256()
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# Read the file in chunks to efficiently handle large files
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for chunk in iter(lambda: file.read(8192), b""):
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sha256.update(chunk)
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return sha256.hexdigest()
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def calculate_sha256_string(string):
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# Create a new SHA-256 hash object
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sha256_hash = hashlib.sha256()
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# Update the hash object with the bytes of the input string
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sha256_hash.update(string.encode("utf-8"))
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# Get the hexadecimal representation of the hash
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hashed_string = sha256_hash.hexdigest()
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return hashed_string
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def validate_email_format(email: str) -> bool:
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if not re.match(r"[^@]+@[^@]+\.[^@]+", email):
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return False
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return True
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