U <ßôg]ã@sjddlZddlZddlmZddlmZdddgZGdd„deƒZGdd„deeƒZGd d„deeƒZ dS) éN)ÚFlag)ÚreduceÚPdfPermissionsÚStandardPermissionsÚPubKeyPermissionsc@sŠeZdZdZedd„ƒZeedœdd„ƒZeedœdd „ƒZ eed œd d „ƒZ ed œdd„Z ed œdd„Z ed œdd„Z ed œdd„ZdS)rz1 Utility mixin for PDF permission flags. cCsttj|j ¡ƒS)z& Set all permissions. )rÚoperatorÚor_Ú __members__Úvalues)Úcls©r úG/tmp/pip-unpacked-wheel-w101_d3s/pyhanko/pdf_utils/crypt/permissions.pyÚallow_everythingszPdfPermissions.allow_everything)Ú uint_flagscCs(|dƒ}|D]}||j@r ||O}q |S)zN Convert a 32-bit unsigned integer into PDF permission flags. r©Úvalue)r rÚresultÚflagr r r Ú from_uints   zPdfPermissions.from_uint)ÚflagscCst d|¡d}| |¡S)zH Convert a string of 4 bytes into PDF permission flags. ú>Ir)ÚstructÚunpackr)r rrr r r Ú from_bytes'szPdfPermissions.from_bytes)Ú sint32_flagscCs| |d@¡S)zL Convert a 32-bit signed integer into PDF permission flags. lÿÿ)r)r rr r r Ú from_sint320szPdfPermissions.from_sint32©ÚreturncCst‚dS)a Convert a set of PDF permission flags to their 32-bit unsigned integer representation. This will already take into account some conventions in the PDF specification, i.e. to set as-yet undefined permission flags to 'Allow'. N©ÚNotImplementedError©Úselfr r r Ú as_uint328s zPdfPermissions.as_uint32cCst d| ¡¡S)z_ Convert a set of PDF permission flags to their binary representation. r)rÚpackr"r r r r Úas_bytesDszPdfPermissions.as_bytescCst d| ¡¡dS)zg Convert a set of PDF permission flags to their signed integer representation. z>ir)rrr$r r r r Ú as_sint32KszPdfPermissions.as_sint32cCst‚dS©Nrr r r r Ú mac_requiredRszPdfPermissions.mac_requiredN)Ú__name__Ú __module__Ú __qualname__Ú__doc__Ú classmethodrÚintrÚbytesrrr"r$r%Úboolr'r r r r r s    c@sPeZdZdZdZdZdZdZdZdZ dZ d Z d Z e d œd d „Zed œdd„ZdS)rzd Permission flags for the standard security handler. See Table 22 in ISO 32000-2:2020. éééé ééééércst‡fdd„ˆjDƒƒdBS)Nc3s|]}|ˆkr|jVqdSr&r©Ú.0Úxr r r Ú hsz0StandardPermissions.as_uint32..lÀ`ÿ©ÚsumÚ __class__r r r r r"gszStandardPermissions.as_uint32cCs tj|kSr&)rÚTOLERATE_MISSING_PDF_MACr r r r r'jsz StandardPermissions.mac_requiredN)r(r)r*r+ÚALLOW_PRINTINGÚALLOW_MODIFICATION_GENERICÚALLOW_CONTENT_EXTRACTIONÚALLOW_ANNOTS_FORM_FILLINGÚALLOW_FORM_FILLINGÚALLOW_ASSISTIVE_TECHNOLOGYÚALLOW_REASSEMBLYÚALLOW_HIGH_QUALITY_PRINTINGr@r-r"r/r'r r r r rVsc@sTeZdZdZdZdZdZdZdZdZ dZ d Z d Z d Z ed œd d„Zed œdd„ZdS)rzf Permission flags for the public-key security handler. See Table 24 in ISO 32000-2:2020. ér0r1r2r3r4r5r6r7r8rcst‡fdd„ˆjDƒƒdBS)Nc3s|]}|ˆkr|jVqdSr&rr9r r r r<‚sz.PubKeyPermissions.as_uint32..lÁ`ÿr=r r r r r"€szPubKeyPermissions.as_uint32cCs tj|kSr&)rr@r r r r r'„szPubKeyPermissions.mac_requiredN)r(r)r*r+ZALLOW_ENCRYPTION_CHANGErArBrCrDrErFrGrHr@r-r"r/r'r r r r rns) rrÚenumrÚ functoolsrÚ__all__rrrr r r r Ús   M