unipdf/sanitize/sanitize.go

//
// Copyright 2020 FoxyUtils ehf. All rights reserved.
//
// This is a commercial product and requires a license to operate.
// A trial license can be obtained at https://unidoc.io
//
// DO NOT EDIT: generated by unitwist Go source code obfuscator.
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package sanitize ;import (_e "github.com/unidoc/unipdf/v3/common";_f "github.com/unidoc/unipdf/v3/core";);

// SanitizationOpts specifies the objects to be removed during sanitization.
type SanitizationOpts struct{

// JavaScript specifies wether JavaScript action should be removed. JavaScript Actions, section 12.6.4.16 of PDF32000_2008
JavaScript bool ;

// URI specifies if URI actions should be removed. 12.6.4.7 URI Actions, PDF32000_2008.
URI bool ;

// GoToR removes remote GoTo actions. 12.6.4.3 Remote Go-To Actions, PDF32000_2008.
GoToR bool ;

// GoTo specifies wether GoTo actions should be removed. 12.6.4.2 Go-To Actions, PDF32000_2008.
GoTo bool ;

// RenditionJS enables removing of `JS` entry from a Rendition Action.
// The `JS` entry has a value of text string or stream containing a JavaScript script that shall be executed when the action is triggered.
// 12.6.4.13 Rendition Actions Table 214, PDF32000_2008.
RenditionJS bool ;

// OpenAction removes OpenAction entry from the document catalog.
OpenAction bool ;

// Launch specifies wether Launch Action should be removed.
// A launch action launches an application or opens or prints a document.
// 12.6.4.5 Launch Actions, PDF32000_2008.
Launch bool ;};

// GetSuspiciousObjects returns a count of each detected suspicious object.
func (_dfg *Sanitizer )GetSuspiciousObjects ()map[string ]int {return _dfg ._ee };

// New returns a new sanitizer object.
func New (opts SanitizationOpts )*Sanitizer {return &Sanitizer {_a :opts }};

// Optimize optimizes `objects` and returns updated list of objects.
func (_d *Sanitizer )Optimize (objects []_f .PdfObject )([]_f .PdfObject ,error ){return _d .processObjects (objects );};func (_gf *Sanitizer )processObjects (_c []_f .PdfObject )([]_f .PdfObject ,error ){_eea :=[]_f .PdfObject {};_ec :=_gf ._a ;for _ ,_gb :=range _c {switch _df :=_gb .(type ){case *_f .PdfIndirectObject :_eb ,_ef :=_f .GetDict (_df );
if _ef {if _ed ,_da :=_f .GetName (_eb .Get ("\u0054\u0079\u0070\u0065"));_da &&*_ed =="\u0043a\u0074\u0061\u006c\u006f\u0067"{if _ ,_gd :=_f .GetIndirect (_eb .Get ("\u004f\u0070\u0065\u006e\u0041\u0063\u0074\u0069\u006f\u006e"));_gd &&_ec .OpenAction {_eb .Remove ("\u004f\u0070\u0065\u006e\u0041\u0063\u0074\u0069\u006f\u006e");
};}else if _edf ,_cd :=_f .GetName (_eb .Get ("\u0053"));_cd {switch *_edf {case "\u004a\u0061\u0076\u0061\u0053\u0063\u0072\u0069\u0070\u0074":if _ec .JavaScript {if _ab ,_gfc :=_f .GetStream (_eb .Get ("\u004a\u0053"));_gfc {_ca :=[]byte {};_ga ,_aa :=_f .MakeStream (_ca ,nil );
if _aa ==nil {*_ab =*_ga ;};};_e .Log .Debug ("\u004a\u0061\u0076\u0061\u0073\u0063\u0072\u0069\u0070\u0074\u0020a\u0063\u0074\u0069\u006f\u006e\u0020\u0073\u006b\u0069\u0070p\u0065\u0064\u002e");continue ;};case "\u0055\u0052\u0049":if _ec .URI {_e .Log .Debug ("\u0055\u0052\u0049\u0020ac\u0074\u0069\u006f\u006e\u0020\u0073\u006b\u0069\u0070\u0070\u0065\u0064\u002e");
continue ;};case "\u0047\u006f\u0054\u006f":if _ec .GoTo {_e .Log .Debug ("G\u004fT\u004f\u0020\u0061\u0063\u0074\u0069\u006f\u006e \u0073\u006b\u0069\u0070pe\u0064\u002e");continue ;};case "\u0047\u006f\u0054o\u0052":if _ec .GoToR {_e .Log .Debug ("R\u0065\u006d\u006f\u0074\u0065\u0020G\u006f\u0054\u004f\u0020\u0061\u0063\u0074\u0069\u006fn\u0020\u0073\u006bi\u0070p\u0065\u0064\u002e");
continue ;};case "\u004c\u0061\u0075\u006e\u0063\u0068":if _ec .Launch {_e .Log .Debug ("\u004a\u0061\u0076\u0061\u0073\u0063\u0072\u0069\u0070\u0074\u0020a\u0063\u0074\u0069\u006f\u006e\u0020\u0073\u006b\u0069\u0070p\u0065\u0064\u002e");continue ;};case "\u0052e\u006e\u0064\u0069\u0074\u0069\u006fn":if _ge ,_ac :=_f .GetStream (_eb .Get ("\u004a\u0053"));
_ac {_dff :=[]byte {};_cb ,_cda :=_f .MakeStream (_dff ,nil );if _cda ==nil {*_ge =*_cb ;};};};}else if _gg :=_eb .Get ("\u004a\u0061\u0076\u0061\u0053\u0063\u0072\u0069\u0070\u0074");_gg !=nil &&_ec .JavaScript {continue ;}else if _cae ,_ebb :=_f .GetName (_eb .Get ("\u0054\u0079\u0070\u0065"));
_ebb &&*_cae =="\u0041\u006e\u006eo\u0074"&&_ec .JavaScript {if _cg ,_ebf :=_f .GetIndirect (_eb .Get ("\u0050\u0061\u0072\u0065\u006e\u0074"));_ebf {if _b ,_ebba :=_f .GetDict (_cg .PdfObject );_ebba {if _dd ,_eec :=_f .GetDict (_b .Get ("\u0041\u0041"));
_eec {_abg ,_fe :=_f .GetIndirect (_dd .Get ("\u004b"));if _fe {if _eac ,_ba :=_f .GetDict (_abg .PdfObject );_ba {if _fb ,_ce :=_f .GetName (_eac .Get ("\u0053"));_ce &&*_fb =="\u004a\u0061\u0076\u0061\u0053\u0063\u0072\u0069\u0070\u0074"{_eac .Clear ();
}else if _dfb :=_dd .Get ("\u0046");_dfb !=nil {if _dc ,_bc :=_f .GetIndirect (_dfb );_bc {if _be ,_feg :=_f .GetDict (_dc .PdfObject );_feg {if _fa ,_fc :=_f .GetName (_be .Get ("\u0053"));_fc &&*_fa =="\u004a\u0061\u0076\u0061\u0053\u0063\u0072\u0069\u0070\u0074"{_be .Clear ();
};};};};};};};};};};};case *_f .PdfObjectStream :_e .Log .Debug ("\u0070d\u0066\u0020\u006f\u0062j\u0065\u0063\u0074\u0020\u0073t\u0072e\u0061m\u0020\u0074\u0079\u0070\u0065\u0020\u0025T",_df );case *_f .PdfObjectStreams :_e .Log .Debug ("\u0070\u0064\u0066\u0020\u006f\u0062\u006a\u0065\u0063\u0074\u0020s\u0074\u0072\u0065\u0061\u006d\u0073\u0020\u0074\u0079\u0070e\u0020\u0025\u0054",_df );
default:_e .Log .Debug ("u\u006e\u006b\u006e\u006fwn\u0020p\u0064\u0066\u0020\u006f\u0062j\u0065\u0063\u0074\u0020\u0025\u0054",_df );};_eea =append (_eea ,_gb );};_gf .analyze (_eea );return _eea ,nil ;};

// Sanitizer represents a sanitizer object.
// It implements the Optimizer interface to access the objects field from the writer.
type Sanitizer struct{_a SanitizationOpts ;_ee map[string ]int ;};func (_fd *Sanitizer )analyze (_bd []_f .PdfObject ){_cf :=map[string ]int {};for _ ,_beb :=range _bd {switch _gbg :=_beb .(type ){case *_f .PdfIndirectObject :_dda ,_cea :=_f .GetDict (_gbg .PdfObject );
if _cea {if _ag ,_fca :=_f .GetName (_dda .Get ("\u0054\u0079\u0070\u0065"));_fca &&*_ag =="\u0043a\u0074\u0061\u006c\u006f\u0067"{if _ ,_bda :=_f .GetIndirect (_dda .Get ("\u004f\u0070\u0065\u006e\u0041\u0063\u0074\u0069\u006f\u006e"));_bda {_cf ["\u004f\u0070\u0065\u006e\u0041\u0063\u0074\u0069\u006f\u006e"]++;
};}else if _caf ,_bce :=_f .GetName (_dda .Get ("\u0053"));_bce {_abe :=_caf .String ();if _abe =="\u004a\u0061\u0076\u0061\u0053\u0063\u0072\u0069\u0070\u0074"||_abe =="\u0055\u0052\u0049"||_abe =="\u0047\u006f\u0054\u006f"||_abe =="\u0047\u006f\u0054o\u0052"||_abe =="\u004c\u0061\u0075\u006e\u0063\u0068"{_cf [_abe ]++;
}else if _abe =="\u0052e\u006e\u0064\u0069\u0074\u0069\u006fn"{if _ ,_cbc :=_f .GetStream (_dda .Get ("\u004a\u0053"));_cbc {_cf [_abe ]++;};};}else if _fcb :=_dda .Get ("\u004a\u0061\u0076\u0061\u0053\u0063\u0072\u0069\u0070\u0074");_fcb !=nil {_cf ["\u004a\u0061\u0076\u0061\u0053\u0063\u0072\u0069\u0070\u0074"]++;
}else if _eda ,_ad :=_f .GetIndirect (_dda .Get ("\u0050\u0061\u0072\u0065\u006e\u0074"));_ad {if _fde ,_aaa :=_f .GetDict (_eda .PdfObject );_aaa {if _fg ,_fbc :=_f .GetDict (_fde .Get ("\u0041\u0041"));_fbc {_bac :=_fg .Get ("\u004b");_fcg ,_gc :=_f .GetIndirect (_bac );
if _gc {if _gbc ,_gcg :=_f .GetDict (_fcg .PdfObject );_gcg {if _agc ,_ceag :=_f .GetName (_gbc .Get ("\u0053"));_ceag &&*_agc =="\u004a\u0061\u0076\u0061\u0053\u0063\u0072\u0069\u0070\u0074"{_cf ["\u004a\u0061\u0076\u0061\u0053\u0063\u0072\u0069\u0070\u0074"]++;
}else if _ ,_ae :=_f .GetString (_gbc .Get ("\u004a\u0053"));_ae {_cf ["\u004a\u0061\u0076\u0061\u0053\u0063\u0072\u0069\u0070\u0074"]++;}else {_abeg :=_fg .Get ("\u0046");if _abeg !=nil {_cac ,_caef :=_f .GetIndirect (_abeg );if _caef {if _eaa ,_faf :=_f .GetDict (_cac .PdfObject );
_faf {if _de ,_dffg :=_f .GetName (_eaa .Get ("\u0053"));_dffg {_fac :=_de .String ();_cf [_fac ]++;};};};};};};};};};};};};};_fd ._ee =_cf ;};