o ÍtBhÉ ã@sndZddlZddlZddlZddlmZddedefdd„Zdd edeeeffd d „Z d edefd d„Z dS)a+Simple module to generate PKCE code verifier and code challenge. Examples -------- >>> import pkce >>> code_verifier, code_challenge = pkce.generate_pkce_pair() >>> import pkce >>> code_verifier = pkce.generate_code_verifier(length=128) >>> code_challenge = pkce.get_code_challenge(code_verifier) éN)ÚTupleé€ÚlengthÚreturncCs8d|kr dksnd}t|ƒ‚t d¡d|…}|S)aEReturn a random PKCE-compliant code verifier. Parameters ---------- length : int Code verifier length. Must verify `43 <= length <= 128`. Returns ------- code_verifier : str Code verifier. Raises ------ ValueError When `43 <= length <= 128` is not verified. é+rz5Parameter `length` must verify `43 <= length <= 128`.é`N)Ú ValueErrorÚsecretsÚ token_urlsafe)rÚmsgÚ code_verifier©r úd/var/www/html/riverr-enterprise-integrations-main/venv/lib/python3.10/site-packages/pkce/__init__.pyÚgenerate_code_verifiers rÚcode_verifier_lengthcCsBd|kr dksnd}|d7}t|ƒ‚t|ƒ}t|ƒ}||fS)aŠReturn random PKCE-compliant code verifier and code challenge. Parameters ---------- code_verifier_length : int Code verifier length. Must verify `43 <= code_verifier_length <= 128`. Returns ------- code_verifier : str code_challenge : str Raises ------ ValueError When `43 <= code_verifier_length <= 128` is not verified. rrz-Parameter `code_verifier_length` must verify z$`43 <= code_verifier_length <= 128`.)rrÚget_code_challenge)rr r Úcode_challenger r rÚgenerate_pkce_pair,srr cCsbdt|ƒkr dksnd}|d7}t|ƒ‚t | d¡¡ ¡}t |¡}| d¡dd…}|S)aœReturn the PKCE-compliant code challenge for a given verifier. Parameters ---------- code_verifier : str Code verifier. Must verify `43 <= len(code_verifier) <= 128`. Returns ------- code_challenge : str Code challenge that corresponds to the input code verifier. Raises ------ ValueError When `43 <= len(code_verifier) <= 128` is not verified. rrz&Parameter `code_verifier` must verify z"`43 <= len(code_verifier) <= 128`.ÚasciiNéÿÿÿÿ) ÚlenrÚhashlibÚsha256ÚencodeÚdigestÚbase64Úurlsafe_b64encodeÚdecode)r r ÚhashedÚencodedrr r rrHs r)r) Ú__doc__r rrÚtypingrÚintÚstrrrrr r r rÚs