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STY: Use the UserAccessPermissions enum #2398

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merged 3 commits into from
Jan 6, 2024
Merged

STY: Use the UserAccessPermissions enum #2398

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2954c37
MAINT: Use the UserAccessPermissions
MartinThoma Jan 6, 2024
5c46d70
MAINT: Use the UserAccessPermissions
MartinThoma Jan 6, 2024
83d2b9b
sty
MartinThoma Jan 6, 2024
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30 changes: 17 additions & 13 deletions pypdf/_reader.py
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Original file line number Diff line number Diff line change
Expand Up @@ -68,6 +68,7 @@
from .constants import (
CheckboxRadioButtonAttributes,
GoToActionArguments,
UserAccessPermissions,
)
from .constants import Core as CO
from .constants import DocumentInformationAttributes as DI
Expand Down Expand Up @@ -1809,19 +1810,22 @@ def decrypt(self, password: Union[str, bytes]) -> PasswordType:
return self._encryption.verify(password)

def decode_permissions(self, permissions_code: int) -> Dict[str, bool]:
# Takes the permissions as an integer, returns the allowed access
permissions = {}
permissions["print"] = permissions_code & (1 << 3 - 1) != 0 # bit 3
permissions["modify"] = permissions_code & (1 << 4 - 1) != 0 # bit 4
permissions["copy"] = permissions_code & (1 << 5 - 1) != 0 # bit 5
permissions["annotations"] = permissions_code & (1 << 6 - 1) != 0 # bit 6
permissions["forms"] = permissions_code & (1 << 9 - 1) != 0 # bit 9
permissions["accessability"] = permissions_code & (1 << 10 - 1) != 0 # bit 10
permissions["assemble"] = permissions_code & (1 << 11 - 1) != 0 # bit 11
permissions["print_high_quality"] = (
permissions_code & (1 << 12 - 1) != 0
) # bit 12
return permissions
"""Take the permissions as an integer, return the allowed access."""
permissions_mapping = {
"print": UserAccessPermissions.PRINT,
"modify": UserAccessPermissions.MODIFY,
"copy": UserAccessPermissions.EXTRACT,
"annotations": UserAccessPermissions.ADD_OR_MODIFY,
"forms": UserAccessPermissions.R7,
"accessability": UserAccessPermissions.EXTRACT_TEXT_AND_GRAPHICS,
Comment on lines +1817 to +1820
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I don't even know if the string versions are correct.

"assemble": UserAccessPermissions.ASSEMBLE_DOC,
"print_high_quality": UserAccessPermissions.PRINT_TO_REPRESENTATION,
}

return {
key: permissions_code & flag != 0
for key, flag in permissions_mapping.items()
}

@property
def is_encrypted(self) -> bool:
Expand Down
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