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pickleparser

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A pure Javascript implemented parser for Python pickle format

github.com/ewfian/pickleparser

ewfian/pickleparser

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/* eslint-disable @typescript-eslint/no-unused-vars */ /* eslint-disable prettier/prettier */ // https://github.com/python/cpython/blob/f329a8bc1e57e454852f8887df6267b42047cd1b/Lib/pickle.py#L105 // Const enum will be inlined at compile time, see: https://www.typescriptlang.org/docs/handbook/enums.html#const-enums export const enum OP { MARK = 40, // '(' # push special markobject on stack STOP = 46, // '.' # every pickle ends with STOP POP = 48, // '0' # discard topmost stack item POP_MARK = 49, // '1' # discard stack top through topmost markobject DUP = 50, // '2' # duplicate top stack item FLOAT = 70, // 'F' # push float object; decimal string argument INT = 73, // 'I' # push integer or bool; decimal string argument BININT = 74, // 'J' # push four-byte signed int BININT1 = 75, // 'K' # push 1-byte unsigned int LONG = 76, // 'L' # push long; decimal string argument BININT2 = 77, // 'M' # push 2-byte unsigned int NONE = 78, // 'N' # push None PERSID = 80, // 'P' # push persistent object; id is taken from string arg BINPERSID = 81, // 'Q' # " " " ; " " " " stack REDUCE = 82, // 'R' # apply callable to argtuple, both on stack STRING = 83, // 'S' # push string; NL-terminated string argument BINSTRING = 84, // 'T' # push string; counted binary string argument SHORT_BINSTRING = 85, // 'U' # " " ; " " " " < 256 bytes UNICODE = 86, // 'V' # push Unicode string; raw-unicode-escaped'd argument BINUNICODE = 88, // 'X' # " " " ; counted UTF-8 string argument APPEND = 97, // 'a' # append stack top to list below it BUILD = 98, // 'b' # call __setstate__ or __dict__.update() GLOBAL = 99, // 'c' # push self.find_class(modname, name); 2 string args DICT = 100, // 'd' # build a dict from stack items EMPTY_DICT = 125, // '}' # push empty dict APPENDS = 101, // 'e' # extend list on stack by topmost stack slice GET = 103, // 'g' # push item from memo on stack; index is string arg BINGET = 104, // 'h' # " " " " " " ; " " 1-byte arg INST = 105, // 'i' # build & push class instance LONG_BINGET = 106, // 'j' # push item from memo on stack; index is 4-byte arg LIST = 108, // 'l' # build list from topmost stack items EMPTY_LIST = 93, // ']' # push empty list OBJ = 111, // 'o' # build & push class instance PUT = 112, // 'p' # store stack top in memo; index is string arg BINPUT = 113, // 'q' # " " " " " ; " " 1-byte arg LONG_BINPUT = 114, // 'r' # " " " " " ; " " 4-byte arg SETITEM = 115, // 's' # add key+value pair to dict TUPLE = 116, // 't' # build tuple from topmost stack items EMPTY_TUPLE = 41, // ')' # push empty tuple SETITEMS = 117, // 'u' # modify dict by adding topmost key+value pairs BINFLOAT = 71, // 'G' # push float; arg is 8-byte float encoding // Protocol 2 PROTO = 128, // '\x80' # identify pickle protocol NEWOBJ = 129, // '\x81' # build object by applying cls.__new__ to argtuple EXT1 = 130, // '\x82' # push object from extension registry; 1-byte index EXT2 = 131, // '\x83' # ditto, but 2-byte index EXT4 = 132, // '\x84' # ditto, but 4-byte index TUPLE1 = 133, // '\x85' # build 1-tuple from stack top TUPLE2 = 134, // '\x86' # build 2-tuple from two topmost stack items TUPLE3 = 135, // '\x87' # build 3-tuple from three topmost stack items NEWTRUE = 136, // '\x88' # push True NEWFALSE = 137, // '\x89' # push False LONG1 = 138, // '\x8a' # push long from < 256 bytes LONG4 = 139, // '\x8b' # push really big long // Protocol 3 (Python 3.x) BINBYTES = 66, // 'B' # push bytes; counted binary string argument SHORT_BINBYTES = 67, // 'C' # " " ; " " " " < 256 bytes // Protocol 4 SHORT_BINUNICODE = 140, // '\x8c' # push short string; UTF-8 length < 256 bytes BINUNICODE8 = 141, // '\x8d' # push very long string BINBYTES8 = 142, // '\x8e' # push very long bytes string EMPTY_SET = 143, // '\x8f' # push empty set on the stack ADDITEMS = 144, // '\x90' # modify set by adding topmost stack items FROZENSET = 145, // '\x91' # build frozenset from topmost stack items NEWOBJ_EX = 146, // '\x92' # like NEWOBJ but work with keyword only arguments STACK_GLOBAL = 147, // '\x93' # same as GLOBAL but using names on the stacks MEMOIZE = 148, // '\x94' # store top of the stack in memo FRAME = 149, // '\x95' # indicate the beginning of a new frame // Protocol 5 BYTEARRAY8 = 150, // '\x96' # push bytearray NEXT_BUFFER = 151, // '\x97' # push next out-of-band buffer READONLY_BUFFER = 152, // '\x98' # make top of stack readonly }