diff --git a/api.php b/api.php index e2fe9d25..eaed3c03 100644 --- a/api.php +++ b/api.php @@ -7,8 +7,8 @@ * Please see LICENSE file for your rights under this license */ $api = true; - require("scripts/pi-hole/php/FTL.php"); + if(testFTL() && !isset($_GET["PHP"])) { require("api_FTL.php"); diff --git a/api_PHP.php b/api_PHP.php index f76d60ca..c41024e6 100644 --- a/api_PHP.php +++ b/api_PHP.php @@ -81,28 +81,46 @@ $data = array_merge($data, getAllQueries($_GET['getAllQueries'])); } - if (isset($_GET['enable'], $_GET['token']) && $auth) { - check_csrf($_GET['token']); + if (isset($_GET['enable']) && $auth) { + if(isset($_GET["auth"])) + { + if($_GET["auth"] !== $pwhash) + die("Not authorized!"); + } + else + { + // Skip token validation if explicit auth string is given + check_csrf($_GET['token']); + } exec('sudo pihole enable'); - $data = array_merge($data, Array( - "status" => "enabled" - )); + $data = array_merge($data, array("status" => "enabled")); + unlink("../custom_disable_timer"); } - elseif (isset($_GET['disable'], $_GET['token']) && $auth) { - check_csrf($_GET['token']); + elseif (isset($_GET['disable']) && $auth) { + if(isset($_GET["auth"])) + { + if($_GET["auth"] !== $pwhash) + die("Not authorized!"); + } + else + { + // Skip token validation if explicit auth string is given + check_csrf($_GET['token']); + } $disable = intval($_GET['disable']); // intval returns the integer value on success, or 0 on failure if($disable > 0) { + $timestamp = time(); exec("sudo pihole disable ".$disable."s"); + file_put_contents("../custom_disable_timer",($timestamp+$disable)*1000); } else { exec('sudo pihole disable'); + unlink("../custom_disable_timer"); } - $data = array_merge($data, Array( - "status" => "disabled" - )); + $data = array_merge($data, array("status" => "disabled")); } if (isset($_GET['getGravityDomains'])) { diff --git a/debug.php b/debug.php new file mode 100644 index 00000000..84416cff --- /dev/null +++ b/debug.php @@ -0,0 +1,19 @@ + + +
+

Generate debug log

+
+ +

Upload debug log and provide token once finished

+

Once you click this button a debug log will be generated and can automatically be uploaded if we detect a working internet connection.

+ + + + + + + diff --git a/help.php b/help.php index c3e729a9..ccfda427 100644 --- a/help.php +++ b/help.php @@ -43,8 +43,8 @@
-

Main page

-

On the main page, you can see various Pi-hole statistics:

+

Dashboard

+

On the dashboard, you can see various Pi-hole statistics:

The Top Domains and Top Advertisers lists may be hidden depending on the privacy Settings on the settings page

-

Note that the login session does not expire on the main page, as the summary is updated every 10 seconds which refreshes the session.

+

Note that the login session does not expire on the dashboard, as the summary is updated every 10 seconds which refreshes the session.

@@ -126,7 +126,7 @@

Authentication system (currently enableddisabled)

-

Using the command

sudo pihole -a -p pa22w0rd
where pa22w0rd is the password to be set in this example, one can enable the authentication system of this web interface. Thereafter, a login is required for most pages (the main page will show a limited amount of statistics). Note that the authentication system may be disabled again, by setting an empty password using the command shown above. The Help center will show more details concerning the authentication system only if it is enabled

+

Using the command

sudo pihole -a -p pa22w0rd
where pa22w0rd is the password to be set in this example, one can enable the authentication system of this web interface. Thereafter, a login is required for most pages (the dashboard will show a limited amount of statistics). Note that the authentication system may be disabled again, by setting an empty password using the command shown above. The Help center will show more details concerning the authentication system only if it is enabled

diff --git a/scripts/pi-hole/js/debug.js b/scripts/pi-hole/js/debug.js new file mode 100644 index 00000000..c0db2ce0 --- /dev/null +++ b/scripts/pi-hole/js/debug.js @@ -0,0 +1,65 @@ +// Credit: http://stackoverflow.com/a/10642418/2087442 +function httpGet(ta,theUrl) +{ + var xmlhttp; + if (window.XMLHttpRequest) + { + // code for IE7+ + xmlhttp = new XMLHttpRequest(); + } + else + { + // code for IE6, IE5 + xmlhttp = new ActiveXObject("Microsoft.XMLHTTP"); + } + xmlhttp.onreadystatechange=function() + { + if (xmlhttp.readyState === 4 && xmlhttp.status === 200) + { + ta.show(); + ta.empty(); + ta.append(xmlhttp.responseText); + } + }; + xmlhttp.open("GET", theUrl, false); + xmlhttp.send(); +} + +function eventsource() { + var ta = $("#output"); + var upload = $( "#upload" ); + var checked = ""; + + if(upload.prop("checked")) + { + checked = "upload"; + } + + // IE does not support EventSource - load whole content at once + if (typeof EventSource !== "function") { + httpGet(ta,"/admin/scripts/pi-hole/php/debug.php?IE&"+checked); + return; + } + + var host = window.location.host; + var source = new EventSource("/admin/scripts/pi-hole/php/debug.php?"+checked); + + // Reset and show field + ta.empty(); + ta.show(); + + source.addEventListener("message", function(e) { + ta.append(e.data); + }, false); + + // Will be called when script has finished + source.addEventListener("error", function(e) { + source.close(); + }, false); +} + +$("#debugBtn").on("click", function(){ + $("#debugBtn").attr("disabled", true); + $("#upload").attr("disabled", true); + eventsource(); +}); diff --git a/scripts/pi-hole/js/footer.js b/scripts/pi-hole/js/footer.js index 3af5b3e7..219ea51d 100644 --- a/scripts/pi-hole/js/footer.js +++ b/scripts/pi-hole/js/footer.js @@ -14,6 +14,35 @@ $("body").on("click", function(event) { } }); +//The following functions allow us to display time until pi-hole is enabled after disabling. +//Works between all pages + +function secondsTimeSpanToHMS(s) { + var h = Math.floor(s/3600); //Get whole hours + s -= h*3600; + var m = Math.floor(s/60); //Get remaining minutes + s -= m*60; + return h+":"+(m < 10 ? "0"+m : m)+":"+(s < 10 ? "0"+s : s); //zero padding on minutes and seconds +} + +function countDown(){ + var ena = $("#enableLabel"); + var enaT = $("#enableTimer"); + var target = new Date(parseInt(enaT.html())); + var seconds = Math.round((target.getTime() - new Date().getTime()) / 1000); + + if(seconds > 0){ + setTimeout(countDown,1000); + ena.text("Enable (" + secondsTimeSpanToHMS(seconds) + ")"); + } + else + { + ena.text("Enable"); + piholeChanged("enabled"); + localStorage.removeItem("countDownTarget"); + } +} + function piholeChanged(action) { var status = $("#status"); @@ -40,6 +69,7 @@ function piholeChanged(action) function piholeChange(action, duration) { var token = encodeURIComponent($("#token").html()); + var enaT = $("#enableTimer"); var btnStatus; switch(action) { @@ -61,52 +91,21 @@ function piholeChange(action, duration) if(data.status === "disabled") { btnStatus.html(""); piholeChanged("disabled"); + enaT.html(new Date().getTime() + duration * 1000); + setTimeout(countDown,100); } }); break; } } -//The following three functions allow us to display time until pi-hole is enabled after disabling. -//Works between all pages - - -function setCountdownTarget(seconds){ - var target = new Date(); - target = new Date(target.getTime() + seconds * 1000); - localStorage.setItem("countDownTarget", target); -} - -function secondsTimeSpanToHMS(s) { - var h = Math.floor(s/3600); //Get whole hours - s -= h*3600; - var m = Math.floor(s/60); //Get remaining minutes - s -= m*60; - return h+":"+(m < 10 ? "0"+m : m)+":"+(s < 10 ? "0"+s : s); //zero padding on minutes and seconds -} - -function countDown(){ - var ena = $("#enableLabel"); - var target = new Date(localStorage.getItem("countDownTarget")); - var seconds = Math.round((target.getTime() - new Date().getTime()) / 1000); - - if(seconds > 0){ - setTimeout(countDown,1000); - ena.text("Enable (" + secondsTimeSpanToHMS(seconds) + ")"); - } - else - { - ena.text("Enable"); - piholeChanged("enabled"); - localStorage.removeItem("countDownTarget"); - } -} - $( document ).ready(function() { - var countDownTarget = localStorage.getItem("countDownTarget"); - if (countDownTarget != null) + var enaT = $("#enableTimer"); + var target = new Date(parseInt(enaT.html())); + var seconds = Math.round((target.getTime() - new Date().getTime()) / 1000); + if (seconds > 0) { - setTimeout(countDown,1000); + setTimeout(countDown,100); } }); @@ -123,28 +122,20 @@ $("#pihole-disable-permanently").on("click", function(e){ $("#pihole-disable-10s").on("click", function(e){ e.preventDefault(); piholeChange("disable","10"); - setCountdownTarget(10); - setTimeout(countDown,1000); }); $("#pihole-disable-30s").on("click", function(e){ e.preventDefault(); piholeChange("disable","30"); - setCountdownTarget(30); - setTimeout(countDown,1000); }); $("#pihole-disable-5m").on("click", function(e){ e.preventDefault(); piholeChange("disable","300"); - setCountdownTarget(300); - setTimeout(countDown,1000); }); $("#pihole-disable-custom").on("click", function(e){ e.preventDefault(); var custVal = $("#customTimeout").val(); custVal = $("#btnMins").hasClass("active") ? custVal * 60 : custVal; piholeChange("disable",custVal); - setCountdownTarget(custVal); - setTimeout(countDown,1000); }); diff --git a/scripts/pi-hole/js/settings.js b/scripts/pi-hole/js/settings.js index 84bf41aa..bce784da 100644 --- a/scripts/pi-hole/js/settings.js +++ b/scripts/pi-hole/js/settings.js @@ -68,6 +68,23 @@ $(".confirm-flushlogs").confirm({ dialogClass: "modal-dialog modal-mg" }); +$(".api-token").confirm({ + text: "Make sure that nobody else can scan this code around you. They will have full access to the API without having to know the password. Note that the generation of the QR code will take some time.", + title: "Confirmation required", + confirm(button) { + window.open("scripts/pi-hole/php/api_token.php"); + }, + cancel(button) { + // nothing to do + }, + confirmButton: "Yes, show API token", + cancelButton: "No, go back", + post: true, + confirmButtonClass: "btn-danger", + cancelButtonClass: "btn-success", + dialogClass: "modal-dialog modal-mg" +}); + $("#DHCPchk").click(function() { $("input.DHCPgroup").prop("disabled", !this.checked); $("#dhcpnotice").prop("hidden", !this.checked).addClass("lookatme"); diff --git a/scripts/pi-hole/php/api_token.php b/scripts/pi-hole/php/api_token.php new file mode 100644 index 00000000..be83895f --- /dev/null +++ b/scripts/pi-hole/php/api_token.php @@ -0,0 +1,26 @@ + + 0) + { + require_once("../../vendor/qrcode.php"); + $qr = QRCode::getMinimumQRCode($pwhash, QR_ERROR_CORRECT_LEVEL_Q); + $qr->printHTML("10px"); + } + else + { + ?>

No password set

Not authorized!

+ + diff --git a/scripts/pi-hole/php/auth.php b/scripts/pi-hole/php/auth.php index 77871e4d..a8a64e33 100644 --- a/scripts/pi-hole/php/auth.php +++ b/scripts/pi-hole/php/auth.php @@ -30,7 +30,7 @@ function check_cors() { $AUTHORIZED_HOSTNAMES = array( $ipv4, $ipv6, - $_SERVER["SERVER_NAME"], + str_replace(array("[","]"), array("",""), $_SERVER["SERVER_NAME"]), "pi.hole", "localhost" ); diff --git a/scripts/pi-hole/php/debug.php b/scripts/pi-hole/php/debug.php new file mode 100644 index 00000000..93ae3166 --- /dev/null +++ b/scripts/pi-hole/php/debug.php @@ -0,0 +1,26 @@ + diff --git a/scripts/pi-hole/php/header.php b/scripts/pi-hole/php/header.php index e885f1f4..878ae36c 100644 --- a/scripts/pi-hole/php/header.php +++ b/scripts/pi-hole/php/header.php @@ -188,6 +188,7 @@ +
@@ -367,7 +368,7 @@ class="active"> - Main Page + Dashboard @@ -431,7 +432,7 @@ Enable    -
  • active"> +
  • active"> Tools @@ -457,6 +458,12 @@ Tail pihole.log
    • + + class="active"> + + Generate debug log + + diff --git a/scripts/pi-hole/php/queryads.php b/scripts/pi-hole/php/queryads.php index 457e235c..55e8f8c2 100644 --- a/scripts/pi-hole/php/queryads.php +++ b/scripts/pi-hole/php/queryads.php @@ -6,6 +6,9 @@ * This file is copyright under the latest version of the EUPL. * Please see LICENSE file for your rights under this license. */ +require "password.php"; +if(!$auth) die("Not authorized"); + ob_end_flush(); ini_set("output_buffering", "0"); ob_implicit_flush(true); diff --git a/scripts/pi-hole/php/teleporter.php b/scripts/pi-hole/php/teleporter.php index e5d9f828..02eacbfc 100644 --- a/scripts/pi-hole/php/teleporter.php +++ b/scripts/pi-hole/php/teleporter.php @@ -4,9 +4,11 @@ * Network-wide ad blocking via your own hardware. * * This file is copyright under the latest version of the EUPL. -* Please see LICENSE file for your rights under this license. */ ?> +* Please see LICENSE file for your rights under this license. */ + +require "password.php"; +if(!$auth) die("Not authorized"); -typeNumber = 1; + $this->errorCorrectLevel = QR_ERROR_CORRECT_LEVEL_H; + $this->qrDataList = array(); + } + + function getTypeNumber() { + return $this->typeNumber; + } + + function setTypeNumber($typeNumber) { + $this->typeNumber = $typeNumber; + } + + function getErrorCorrectLevel() { + return $this->errorCorrectLevel; + } + + function setErrorCorrectLevel($errorCorrectLevel) { + $this->errorCorrectLevel = $errorCorrectLevel; + } + + function addData($data, $mode = 0) { + + if ($mode == 0) { + $mode = QRUtil::getMode($data); + } + + switch($mode) { + + case QR_MODE_NUMBER : + $this->addDataImpl(new QRNumber($data) ); + break; + + case QR_MODE_ALPHA_NUM : + $this->addDataImpl(new QRAlphaNum($data) ); + break; + + case QR_MODE_8BIT_BYTE : + $this->addDataImpl(new QR8BitByte($data) ); + break; + + case QR_MODE_KANJI : + $this->addDataImpl(new QRKanji($data) ); + break; + + default : + trigger_error("mode:$mode", E_USER_ERROR); + } + } + + function clearData() { + $qrDataList = array(); + } + + function addDataImpl(&$qrData) { + $this->qrDataList[] = $qrData; + } + + function getDataCount() { + return count($this->qrDataList); + } + + function getData($index) { + return $this->qrDataList[$index]; + } + + function isDark($row, $col) { + if ($this->modules[$row][$col] !== null) { + return $this->modules[$row][$col]; + } else { + return false; + } + } + + function getModuleCount() { + return $this->moduleCount; + } + + // used for converting fg/bg colors (e.g. #0000ff = 0x0000FF) + // added 2015.07.27 ~ DoktorJ + function hex2rgb($hex = 0x0) { + return array( + 'r' => floor($hex / 65536), + 'g' => floor($hex / 256) % 256, + 'b' => $hex % 256 + ); + } + + function make() { + $this->makeImpl(false, $this->getBestMaskPattern() ); + } + + function getBestMaskPattern() { + + $minLostPoint = 0; + $pattern = 0; + + for ($i = 0; $i < 8; $i++) { + + $this->makeImpl(true, $i); + + $lostPoint = QRUtil::getLostPoint($this); + + if ($i == 0 || $minLostPoint > $lostPoint) { + $minLostPoint = $lostPoint; + $pattern = $i; + } + } + + return $pattern; + } + + function createNullArray($length) { + $nullArray = array(); + for ($i = 0; $i < $length; $i++) { + $nullArray[] = null; + } + return $nullArray; + } + + function makeImpl($test, $maskPattern) { + + $this->moduleCount = $this->typeNumber * 4 + 17; + + $this->modules = array(); + for ($i = 0; $i < $this->moduleCount; $i++) { + $this->modules[] = QRCode::createNullArray($this->moduleCount); + } + + $this->setupPositionProbePattern(0, 0); + $this->setupPositionProbePattern($this->moduleCount - 7, 0); + $this->setupPositionProbePattern(0, $this->moduleCount - 7); + + $this->setupPositionAdjustPattern(); + $this->setupTimingPattern(); + + $this->setupTypeInfo($test, $maskPattern); + + if ($this->typeNumber >= 7) { + $this->setupTypeNumber($test); + } + + $dataArray = $this->qrDataList; + + $data = QRCode::createData($this->typeNumber, $this->errorCorrectLevel, $dataArray); + + $this->mapData($data, $maskPattern); + } + + function mapData(&$data, $maskPattern) { + + $inc = -1; + $row = $this->moduleCount - 1; + $bitIndex = 7; + $byteIndex = 0; + + for ($col = $this->moduleCount - 1; $col > 0; $col -= 2) { + + if ($col == 6) $col--; + + while (true) { + + for ($c = 0; $c < 2; $c++) { + + if ($this->modules[$row][$col - $c] === null) { + + $dark = false; + + if ($byteIndex < count($data) ) { + $dark = ( ( ($data[$byteIndex] >> $bitIndex) & 1) == 1); + } + + $mask = QRUtil::getMask($maskPattern, $row, $col - $c); + + if ($mask) { + $dark = !$dark; + } + + $this->modules[$row][$col - $c] = $dark; + $bitIndex--; + + if ($bitIndex == -1) { + $byteIndex++; + $bitIndex = 7; + } + } + } + + $row += $inc; + + if ($row < 0 || $this->moduleCount <= $row) { + $row -= $inc; + $inc = -$inc; + break; + } + } + } + } + + function setupPositionAdjustPattern() { + + $pos = QRUtil::getPatternPosition($this->typeNumber); + + for ($i = 0; $i < count($pos); $i++) { + + for ($j = 0; $j < count($pos); $j++) { + + $row = $pos[$i]; + $col = $pos[$j]; + + if ($this->modules[$row][$col] !== null) { + continue; + } + + for ($r = -2; $r <= 2; $r++) { + + for ($c = -2; $c <= 2; $c++) { + + if ($r == -2 || $r == 2 || $c == -2 || $c == 2 + || ($r == 0 && $c == 0) ) { + $this->modules[$row + $r][$col + $c] = true; + } else { + $this->modules[$row + $r][$col + $c] = false; + } + } + } + } + } + } + + function setupPositionProbePattern($row, $col) { + + for ($r = -1; $r <= 7; $r++) { + + for ($c = -1; $c <= 7; $c++) { + + if ($row + $r <= -1 || $this->moduleCount <= $row + $r + || $col + $c <= -1 || $this->moduleCount <= $col + $c) { + continue; + } + + if ( (0 <= $r && $r <= 6 && ($c == 0 || $c == 6) ) + || (0 <= $c && $c <= 6 && ($r == 0 || $r == 6) ) + || (2 <= $r && $r <= 4 && 2 <= $c && $c <= 4) ) { + $this->modules[$row + $r][$col + $c] = true; + } else { + $this->modules[$row + $r][$col + $c] = false; + } + } + } + } + + function setupTimingPattern() { + + for ($r = 8; $r < $this->moduleCount - 8; $r++) { + if ($this->modules[$r][6] !== null) { + continue; + } + $this->modules[$r][6] = ($r % 2 == 0); + } + + for ($c = 8; $c < $this->moduleCount - 8; $c++) { + if ($this->modules[6][$c] !== null) { + continue; + } + $this->modules[6][$c] = ($c % 2 == 0); + } + } + + function setupTypeNumber($test) { + + $bits = QRUtil::getBCHTypeNumber($this->typeNumber); + + for ($i = 0; $i < 18; $i++) { + $mod = (!$test && ( ($bits >> $i) & 1) == 1); + $this->modules[floor($i / 3)][$i % 3 + $this->moduleCount - 8 - 3] = $mod; + } + + for ($i = 0; $i < 18; $i++) { + $mod = (!$test && ( ($bits >> $i) & 1) == 1); + $this->modules[$i % 3 + $this->moduleCount - 8 - 3][floor($i / 3)] = $mod; + } + } + + function setupTypeInfo($test, $maskPattern) { + + $data = ($this->errorCorrectLevel << 3) | $maskPattern; + $bits = QRUtil::getBCHTypeInfo($data); + + for ($i = 0; $i < 15; $i++) { + + $mod = (!$test && ( ($bits >> $i) & 1) == 1); + + if ($i < 6) { + $this->modules[$i][8] = $mod; + } else if ($i < 8) { + $this->modules[$i + 1][8] = $mod; + } else { + $this->modules[$this->moduleCount - 15 + $i][8] = $mod; + } + } + + for ($i = 0; $i < 15; $i++) { + + $mod = (!$test && ( ($bits >> $i) & 1) == 1); + + if ($i < 8) { + $this->modules[8][$this->moduleCount - $i - 1] = $mod; + } else if ($i < 9) { + $this->modules[8][15 - $i - 1 + 1] = $mod; + } else { + $this->modules[8][15 - $i - 1] = $mod; + } + } + + $this->modules[$this->moduleCount - 8][8] = !$test; + } + + function createData($typeNumber, $errorCorrectLevel, $dataArray) { + + $rsBlocks = QRRSBlock::getRSBlocks($typeNumber, $errorCorrectLevel); + + $buffer = new QRBitBuffer(); + + for ($i = 0; $i < count($dataArray); $i++) { + $data = $dataArray[$i]; + $buffer->put($data->getMode(), 4); + $buffer->put($data->getLength(), $data->getLengthInBits($typeNumber) ); + $data->write($buffer); + } + + $totalDataCount = 0; + for ($i = 0; $i < count($rsBlocks); $i++) { + $totalDataCount += $rsBlocks[$i]->getDataCount(); + } + + if ($buffer->getLengthInBits() > $totalDataCount * 8) { + trigger_error("code length overflow. (" + . $buffer->getLengthInBits() + . ">" + . $totalDataCount * 8 + . ")", E_USER_ERROR); + } + + // end code. + if ($buffer->getLengthInBits() + 4 <= $totalDataCount * 8) { + $buffer->put(0, 4); + } + + // padding + while ($buffer->getLengthInBits() % 8 != 0) { + $buffer->putBit(false); + } + + // padding + while (true) { + + if ($buffer->getLengthInBits() >= $totalDataCount * 8) { + break; + } + $buffer->put(QR_PAD0, 8); + + if ($buffer->getLengthInBits() >= $totalDataCount * 8) { + break; + } + $buffer->put(QR_PAD1, 8); + } + + return QRCode::createBytes($buffer, $rsBlocks); + } + + function createBytes(&$buffer, &$rsBlocks) { + + $offset = 0; + + $maxDcCount = 0; + $maxEcCount = 0; + + $dcdata = QRCode::createNullArray(count($rsBlocks) ); + $ecdata = QRCode::createNullArray(count($rsBlocks) ); + + for ($r = 0; $r < count($rsBlocks); $r++) { + + $dcCount = $rsBlocks[$r]->getDataCount(); + $ecCount = $rsBlocks[$r]->getTotalCount() - $dcCount; + + $maxDcCount = max($maxDcCount, $dcCount); + $maxEcCount = max($maxEcCount, $ecCount); + + $dcdata[$r] = QRCode::createNullArray($dcCount); + for ($i = 0; $i < count($dcdata[$r]); $i++) { + $bdata = $buffer->getBuffer(); + $dcdata[$r][$i] = 0xff & $bdata[$i + $offset]; + } + $offset += $dcCount; + + $rsPoly = QRUtil::getErrorCorrectPolynomial($ecCount); + $rawPoly = new QRPolynomial($dcdata[$r], $rsPoly->getLength() - 1); + + $modPoly = $rawPoly->mod($rsPoly); + $ecdata[$r] = QRCode::createNullArray($rsPoly->getLength() - 1); + for ($i = 0; $i < count($ecdata[$r]); $i++) { + $modIndex = $i + $modPoly->getLength() - count($ecdata[$r]); + $ecdata[$r][$i] = ($modIndex >= 0)? $modPoly->get($modIndex) : 0; + } + } + + $totalCodeCount = 0; + for ($i = 0; $i < count($rsBlocks); $i++) { + $totalCodeCount += $rsBlocks[$i]->getTotalCount(); + } + + $data = QRCode::createNullArray($totalCodeCount); + + $index = 0; + + for ($i = 0; $i < $maxDcCount; $i++) { + for ($r = 0; $r < count($rsBlocks); $r++) { + if ($i < count($dcdata[$r]) ) { + $data[$index++] = $dcdata[$r][$i]; + } + } + } + + for ($i = 0; $i < $maxEcCount; $i++) { + for ($r = 0; $r < count($rsBlocks); $r++) { + if ($i < count($ecdata[$r]) ) { + $data[$index++] = $ecdata[$r][$i]; + } + } + } + + return $data; + } + + static function getMinimumQRCode($data, $errorCorrectLevel) { + + $mode = QRUtil::getMode($data); + + $qr = new QRCode(); + $qr->setErrorCorrectLevel($errorCorrectLevel); + $qr->addData($data, $mode); + + $qrData = $qr->getData(0); + $length = $qrData->getLength(); + + for ($typeNumber = 1; $typeNumber <= 10; $typeNumber++) { + if ($length <= QRUtil::getMaxLength($typeNumber, $mode, $errorCorrectLevel) ) { + $qr->setTypeNumber($typeNumber); + break; + } + } + + $qr->make(); + + return $qr; + } + + // added $fg (foreground), $bg (background), and $bgtrans (use transparent bg) parameters + // also added some simple error checking on parameters + // updated 2015.07.27 ~ DoktorJ + function createImage($size = 2, $margin = 2, $fg = 0x000000, $bg = 0xFFFFFF, $bgtrans = false) { + + // size/margin EC + if (!is_numeric($size)) $size = 2; + if (!is_numeric($margin)) $margin = 2; + if ($size < 1) $size = 1; + if ($margin < 0) $margin = 0; + + $image_size = $this->getModuleCount() * $size + $margin * 2; + + $image = imagecreatetruecolor($image_size, $image_size); + + // fg/bg EC + if ($fg < 0 || $fg > 0xFFFFFF) $fg = 0x0; + if ($bg < 0 || $bg > 0xFFFFFF) $bg = 0xFFFFFF; + + // convert hexadecimal RGB to arrays for imagecolorallocate + $fgrgb = $this->hex2rgb($fg); + $bgrgb = $this->hex2rgb($bg); + + // replace $black and $white with $fgc and $bgc + $fgc = imagecolorallocate($image, $fgrgb['r'], $fgrgb['g'], $fgrgb['b']); + $bgc = imagecolorallocate($image, $bgrgb['r'], $bgrgb['g'], $bgrgb['b']); + if ($bgtrans) imagecolortransparent($image, $bgc); + + // update $white to $bgc + imagefilledrectangle($image, 0, 0, $image_size, $image_size, $bgc); + + for ($r = 0; $r < $this->getModuleCount(); $r++) { + for ($c = 0; $c < $this->getModuleCount(); $c++) { + if ($this->isDark($r, $c) ) { + + // update $black to $fgc + imagefilledrectangle($image, + $margin + $c * $size, + $margin + $r * $size, + $margin + ($c + 1) * $size - 1, + $margin + ($r + 1) * $size - 1, + $fgc); + } + } + } + + return $image; + } + + function printHTML($size = "2px") { + + $style = "border-style:none;border-collapse:collapse;margin:0px;padding:0px;"; + + print(""); + + for ($r = 0; $r < $this->getModuleCount(); $r++) { + + print(""); + + for ($c = 0; $c < $this->getModuleCount(); $c++) { + $color = $this->isDark($r, $c)? "#000000" : "#ffffff"; + print(""); + } + + print(""); + } + + print("
    "); + } +} + +//--------------------------------------------------------------- +// QRUtil +//--------------------------------------------------------------- + +define("QR_G15", (1 << 10) | (1 << 8) | (1 << 5) + | (1 << 4) | (1 << 2) | (1 << 1) | (1 << 0) ); + +define("QR_G18", (1 << 12) | (1 << 11) | (1 << 10) + | (1 << 9) | (1 << 8) | (1 << 5) | (1 << 2) | (1 << 0) ); + +define("QR_G15_MASK", (1 << 14) | (1 << 12) | (1 << 10) + | (1 << 4) | (1 << 1) ); + +class QRUtil { + + static $QR_MAX_LENGTH = array( + array( array(41, 25, 17, 10), array(34, 20, 14, 8), array(27, 16, 11, 7), array(17, 10, 7, 4) ), + array( array(77, 47, 32, 20), array(63, 38, 26, 16), array(48, 29, 20, 12), array(34, 20, 14, 8) ), + array( array(127, 77, 53, 32), array(101, 61, 42, 26), array(77, 47, 32, 20), array(58, 35, 24, 15) ), + array( array(187, 114, 78, 48), array(149, 90, 62, 38), array(111, 67, 46, 28), array(82, 50, 34, 21) ), + array( array(255, 154, 106, 65), array(202, 122, 84, 52), array(144, 87, 60, 37), array(106, 64, 44, 27) ), + array( array(322, 195, 134, 82), array(255, 154, 106, 65), array(178, 108, 74, 45), array(139, 84, 58, 36) ), + array( array(370, 224, 154, 95), array(293, 178, 122, 75), array(207, 125, 86, 53), array(154, 93, 64, 39) ), + array( array(461, 279, 192, 118), array(365, 221, 152, 93), array(259, 157, 108, 66), array(202, 122, 84, 52) ), + array( array(552, 335, 230, 141), array(432, 262, 180, 111), array(312, 189, 130, 80), array(235, 143, 98, 60) ), + array( array(652, 395, 271, 167), array(513, 311, 213, 131), array(364, 221, 151, 93), array(288, 174, 119, 74) ) + ); + + static $QR_PATTERN_POSITION_TABLE = array( + array(), + array(6, 18), + array(6, 22), + array(6, 26), + array(6, 30), + array(6, 34), + array(6, 22, 38), + array(6, 24, 42), + array(6, 26, 46), + array(6, 28, 50), + array(6, 30, 54), + array(6, 32, 58), + array(6, 34, 62), + array(6, 26, 46, 66), + array(6, 26, 48, 70), + array(6, 26, 50, 74), + array(6, 30, 54, 78), + array(6, 30, 56, 82), + array(6, 30, 58, 86), + array(6, 34, 62, 90), + array(6, 28, 50, 72, 94), + array(6, 26, 50, 74, 98), + array(6, 30, 54, 78, 102), + array(6, 28, 54, 80, 106), + array(6, 32, 58, 84, 110), + array(6, 30, 58, 86, 114), + array(6, 34, 62, 90, 118), + array(6, 26, 50, 74, 98, 122), + array(6, 30, 54, 78, 102, 126), + array(6, 26, 52, 78, 104, 130), + array(6, 30, 56, 82, 108, 134), + array(6, 34, 60, 86, 112, 138), + array(6, 30, 58, 86, 114, 142), + array(6, 34, 62, 90, 118, 146), + array(6, 30, 54, 78, 102, 126, 150), + array(6, 24, 50, 76, 102, 128, 154), + array(6, 28, 54, 80, 106, 132, 158), + array(6, 32, 58, 84, 110, 136, 162), + array(6, 26, 54, 82, 110, 138, 166), + array(6, 30, 58, 86, 114, 142, 170) + ); + + static function getPatternPosition($typeNumber) { + return self::$QR_PATTERN_POSITION_TABLE[$typeNumber - 1]; + } + + static function getMaxLength($typeNumber, $mode, $errorCorrectLevel) { + + $t = $typeNumber - 1; + $e = 0; + $m = 0; + + switch($errorCorrectLevel) { + case QR_ERROR_CORRECT_LEVEL_L : $e = 0; break; + case QR_ERROR_CORRECT_LEVEL_M : $e = 1; break; + case QR_ERROR_CORRECT_LEVEL_Q : $e = 2; break; + case QR_ERROR_CORRECT_LEVEL_H : $e = 3; break; + default : + trigger_error("e:$errorCorrectLevel", E_USER_ERROR); + } + + switch($mode) { + case QR_MODE_NUMBER : $m = 0; break; + case QR_MODE_ALPHA_NUM : $m = 1; break; + case QR_MODE_8BIT_BYTE : $m = 2; break; + case QR_MODE_KANJI : $m = 3; break; + default : + trigger_error("m:$mode", E_USER_ERROR); + } + + return self::$QR_MAX_LENGTH[$t][$e][$m]; + } + + static function getErrorCorrectPolynomial($errorCorrectLength) { + + $a = new QRPolynomial(array(1) ); + + for ($i = 0; $i < $errorCorrectLength; $i++) { + $a = $a->multiply(new QRPolynomial(array(1, QRMath::gexp($i) ) ) ); + } + + return $a; + } + + static function getMask($maskPattern, $i, $j) { + + switch ($maskPattern) { + + case QR_MASK_PATTERN000 : return ($i + $j) % 2 == 0; + case QR_MASK_PATTERN001 : return $i % 2 == 0; + case QR_MASK_PATTERN010 : return $j % 3 == 0; + case QR_MASK_PATTERN011 : return ($i + $j) % 3 == 0; + case QR_MASK_PATTERN100 : return (floor($i / 2) + floor($j / 3) ) % 2 == 0; + case QR_MASK_PATTERN101 : return ($i * $j) % 2 + ($i * $j) % 3 == 0; + case QR_MASK_PATTERN110 : return ( ($i * $j) % 2 + ($i * $j) % 3) % 2 == 0; + case QR_MASK_PATTERN111 : return ( ($i * $j) % 3 + ($i + $j) % 2) % 2 == 0; + + default : + trigger_error("mask:$maskPattern", E_USER_ERROR); + } + } + + static function getLostPoint($qrCode) { + + $moduleCount = $qrCode->getModuleCount(); + + $lostPoint = 0; + + + // LEVEL1 + + for ($row = 0; $row < $moduleCount; $row++) { + + for ($col = 0; $col < $moduleCount; $col++) { + + $sameCount = 0; + $dark = $qrCode->isDark($row, $col); + + for ($r = -1; $r <= 1; $r++) { + + if ($row + $r < 0 || $moduleCount <= $row + $r) { + continue; + } + + for ($c = -1; $c <= 1; $c++) { + + if ($col + $c < 0 || $moduleCount <= $col + $c) { + continue; + } + + if ($r == 0 && $c == 0) { + continue; + } + + if ($dark == $qrCode->isDark($row + $r, $col + $c) ) { + $sameCount++; + } + } + } + + if ($sameCount > 5) { + $lostPoint += (3 + $sameCount - 5); + } + } + } + + // LEVEL2 + + for ($row = 0; $row < $moduleCount - 1; $row++) { + for ($col = 0; $col < $moduleCount - 1; $col++) { + $count = 0; + if ($qrCode->isDark($row, $col ) ) $count++; + if ($qrCode->isDark($row + 1, $col ) ) $count++; + if ($qrCode->isDark($row, $col + 1) ) $count++; + if ($qrCode->isDark($row + 1, $col + 1) ) $count++; + if ($count == 0 || $count == 4) { + $lostPoint += 3; + } + } + } + + // LEVEL3 + + for ($row = 0; $row < $moduleCount; $row++) { + for ($col = 0; $col < $moduleCount - 6; $col++) { + if ($qrCode->isDark($row, $col) + && !$qrCode->isDark($row, $col + 1) + && $qrCode->isDark($row, $col + 2) + && $qrCode->isDark($row, $col + 3) + && $qrCode->isDark($row, $col + 4) + && !$qrCode->isDark($row, $col + 5) + && $qrCode->isDark($row, $col + 6) ) { + $lostPoint += 40; + } + } + } + + for ($col = 0; $col < $moduleCount; $col++) { + for ($row = 0; $row < $moduleCount - 6; $row++) { + if ($qrCode->isDark($row, $col) + && !$qrCode->isDark($row + 1, $col) + && $qrCode->isDark($row + 2, $col) + && $qrCode->isDark($row + 3, $col) + && $qrCode->isDark($row + 4, $col) + && !$qrCode->isDark($row + 5, $col) + && $qrCode->isDark($row + 6, $col) ) { + $lostPoint += 40; + } + } + } + + // LEVEL4 + + $darkCount = 0; + + for ($col = 0; $col < $moduleCount; $col++) { + for ($row = 0; $row < $moduleCount; $row++) { + if ($qrCode->isDark($row, $col) ) { + $darkCount++; + } + } + } + + $ratio = abs(100 * $darkCount / $moduleCount / $moduleCount - 50) / 5; + $lostPoint += $ratio * 10; + + return $lostPoint; + } + + static function getMode($s) { + if (QRUtil::isAlphaNum($s) ) { + if (QRUtil::isNumber($s) ) { + return QR_MODE_NUMBER; + } + return QR_MODE_ALPHA_NUM; + } else if (QRUtil::isKanji($s) ) { + return QR_MODE_KANJI; + } else { + return QR_MODE_8BIT_BYTE; + } + } + + static function isNumber($s) { + for ($i = 0; $i < strlen($s); $i++) { + $c = ord($s[$i]); + if (!(QRUtil::toCharCode('0') <= $c && $c <= QRUtil::toCharCode('9') ) ) { + return false; + } + } + return true; + } + + static function isAlphaNum($s) { + for ($i = 0; $i < strlen($s); $i++) { + $c = ord($s[$i]); + if (!(QRUtil::toCharCode('0') <= $c && $c <= QRUtil::toCharCode('9') ) + && !(QRUtil::toCharCode('A') <= $c && $c <= QRUtil::toCharCode('Z') ) + && strpos(" $%*+-./:", $s[$i]) === false) { + return false; + } + } + return true; + } + + static function isKanji($s) { + + $data = $s; + + $i = 0; + + while ($i + 1 < strlen($data) ) { + + $c = ( (0xff & ord($data[$i]) ) << 8) | (0xff & ord($data[$i + 1]) ); + + if (!(0x8140 <= $c && $c <= 0x9FFC) && !(0xE040 <= $c && $c <= 0xEBBF) ) { + return false; + } + + $i += 2; + } + + if ($i < strlen($data) ) { + return false; + } + + return true; + } + + static function toCharCode($s) { + return ord($s[0]); + } + + static function getBCHTypeInfo($data) { + $d = $data << 10; + while (QRUtil::getBCHDigit($d) - QRUtil::getBCHDigit(QR_G15) >= 0) { + $d ^= (QR_G15 << (QRUtil::getBCHDigit($d) - QRUtil::getBCHDigit(QR_G15) ) ); + } + return ( ($data << 10) | $d) ^ QR_G15_MASK; + } + + static function getBCHTypeNumber($data) { + $d = $data << 12; + while (QRUtil::getBCHDigit($d) - QRUtil::getBCHDigit(QR_G18) >= 0) { + $d ^= (QR_G18 << (QRUtil::getBCHDigit($d) - QRUtil::getBCHDigit(QR_G18) ) ); + } + return ($data << 12) | $d; + } + + static function getBCHDigit($data) { + + $digit = 0; + + while ($data != 0) { + $digit++; + $data >>= 1; + } + + return $digit; + } +} + +//--------------------------------------------------------------- +// QRRSBlock +//--------------------------------------------------------------- + +class QRRSBlock { + + var $totalCount; + var $dataCount; + + static $QR_RS_BLOCK_TABLE = array( + + // L + // M + // Q + // H + + // 1 + array(1, 26, 19), + array(1, 26, 16), + array(1, 26, 13), + array(1, 26, 9), + + // 2 + array(1, 44, 34), + array(1, 44, 28), + array(1, 44, 22), + array(1, 44, 16), + + // 3 + array(1, 70, 55), + array(1, 70, 44), + array(2, 35, 17), + array(2, 35, 13), + + // 4 + array(1, 100, 80), + array(2, 50, 32), + array(2, 50, 24), + array(4, 25, 9), + + // 5 + array(1, 134, 108), + array(2, 67, 43), + array(2, 33, 15, 2, 34, 16), + array(2, 33, 11, 2, 34, 12), + + // 6 + array(2, 86, 68), + array(4, 43, 27), + array(4, 43, 19), + array(4, 43, 15), + + // 7 + array(2, 98, 78), + array(4, 49, 31), + array(2, 32, 14, 4, 33, 15), + array(4, 39, 13, 1, 40, 14), + + // 8 + array(2, 121, 97), + array(2, 60, 38, 2, 61, 39), + array(4, 40, 18, 2, 41, 19), + array(4, 40, 14, 2, 41, 15), + + // 9 + array(2, 146, 116), + array(3, 58, 36, 2, 59, 37), + array(4, 36, 16, 4, 37, 17), + array(4, 36, 12, 4, 37, 13), + + // 10 + array(2, 86, 68, 2, 87, 69), + array(4, 69, 43, 1, 70, 44), + array(6, 43, 19, 2, 44, 20), + array(6, 43, 15, 2, 44, 16) + + ); + + function QRRSBlock($totalCount, $dataCount) { + $this->totalCount = $totalCount; + $this->dataCount = $dataCount; + } + + function getDataCount() { + return $this->dataCount; + } + + function getTotalCount() { + return $this->totalCount; + } + + static function getRSBlocks($typeNumber, $errorCorrectLevel) { + + $rsBlock = QRRSBlock::getRsBlockTable($typeNumber, $errorCorrectLevel); + $length = count($rsBlock) / 3; + + $list = array(); + + for ($i = 0; $i < $length; $i++) { + + $count = $rsBlock[$i * 3 + 0]; + $totalCount = $rsBlock[$i * 3 + 1]; + $dataCount = $rsBlock[$i * 3 + 2]; + + for ($j = 0; $j < $count; $j++) { + $list[] = new QRRSBlock($totalCount, $dataCount); + } + } + + return $list; + } + + static function getRsBlockTable($typeNumber, $errorCorrectLevel) { + + switch($errorCorrectLevel) { + case QR_ERROR_CORRECT_LEVEL_L : + return self::$QR_RS_BLOCK_TABLE[($typeNumber - 1) * 4 + 0]; + case QR_ERROR_CORRECT_LEVEL_M : + return self::$QR_RS_BLOCK_TABLE[($typeNumber - 1) * 4 + 1]; + case QR_ERROR_CORRECT_LEVEL_Q : + return self::$QR_RS_BLOCK_TABLE[($typeNumber - 1) * 4 + 2]; + case QR_ERROR_CORRECT_LEVEL_H : + return self::$QR_RS_BLOCK_TABLE[($typeNumber - 1) * 4 + 3]; + default : + trigger_error("tn:$typeNumber/ecl:$errorCorrectLevel", E_USER_ERROR); + } + } +} + +//--------------------------------------------------------------- +// QRNumber +//--------------------------------------------------------------- + +class QRNumber extends QRData { + + function QRNumber($data) { + QRData::QRData(QR_MODE_NUMBER, $data); + } + + function write(&$buffer) { + + $data = $this->getData(); + + $i = 0; + + while ($i + 2 < strlen($data) ) { + $num = QRNumber::parseInt(substr($data, $i, 3) ); + $buffer->put($num, 10); + $i += 3; + } + + if ($i < strlen($data) ) { + + if (strlen($data) - $i == 1) { + $num = QRNumber::parseInt(substr($data, $i, $i + 1) ); + $buffer->put($num, 4); + } else if (strlen($data) - $i == 2) { + $num = QRNumber::parseInt(substr($data, $i, $i + 2) ); + $buffer->put($num, 7); + } + } + } + + function getLength() { + return strlen($this->getData() ); + } + + static function parseInt($s) { + + $num = 0; + for ($i = 0; $i < strlen($s); $i++) { + $num = $num * 10 + QRNumber::parseIntAt(ord($s[$i]) ); + } + return $num; + } + + static function parseIntAt($c) { + + if (QRUtil::toCharCode('0') <= $c && $c <= QRUtil::toCharCode('9') ) { + return $c - QRUtil::toCharCode('0'); + } + + trigger_error("illegal char : $c", E_USER_ERROR); + } +} + +//--------------------------------------------------------------- +// QRKanji +//--------------------------------------------------------------- + +class QRKanji extends QRData { + + function QRKanji($data) { + QRData::QRData(QR_MODE_KANJI, $data); + } + + function write(&$buffer) { + + $data = $this->getData(); + + $i = 0; + + while ($i + 1 < strlen($data) ) { + + $c = ( (0xff & ord($data[$i]) ) << 8) | (0xff & ord($data[$i + 1]) ); + + if (0x8140 <= $c && $c <= 0x9FFC) { + $c -= 0x8140; + } else if (0xE040 <= $c && $c <= 0xEBBF) { + $c -= 0xC140; + } else { + trigger_error("illegal char at " . ($i + 1) . "/$c", E_USER_ERROR); + } + + $c = ( ($c >> 8) & 0xff) * 0xC0 + ($c & 0xff); + + $buffer->put($c, 13); + + $i += 2; + } + + if ($i < strlen($data) ) { + trigger_error("illegal char at " . ($i + 1), E_USER_ERROR); + } + } + + function getLength() { + return floor(strlen($this->getData() ) / 2); + } +} + +//--------------------------------------------------------------- +// QRAlphaNum +//--------------------------------------------------------------- + +class QRAlphaNum extends QRData { + + function QRAlphaNum($data) { + QRData::QRData(QR_MODE_ALPHA_NUM, $data); + } + + function write(&$buffer) { + + $i = 0; + $c = $this->getData(); + + while ($i + 1 < strlen($c) ) { + $buffer->put(QRAlphaNum::getCode(ord($c[$i]) ) * 45 + + QRAlphaNum::getCode(ord($c[$i + 1]) ), 11); + $i += 2; + } + + if ($i < strlen($c) ) { + $buffer->put(QRAlphaNum::getCode(ord($c[$i])), 6); + } + } + + function getLength() { + return strlen($this->getData() ); + } + + static function getCode($c) { + + if (QRUtil::toCharCode('0') <= $c + && $c <= QRUtil::toCharCode('9') ) { + return $c - QRUtil::toCharCode('0'); + } else if (QRUtil::toCharCode('A') <= $c + && $c <= QRUtil::toCharCode('Z') ) { + return $c - QRUtil::toCharCode('A') + 10; + } else { + switch ($c) { + case QRUtil::toCharCode(' ') : return 36; + case QRUtil::toCharCode('$') : return 37; + case QRUtil::toCharCode('%') : return 38; + case QRUtil::toCharCode('*') : return 39; + case QRUtil::toCharCode('+') : return 40; + case QRUtil::toCharCode('-') : return 41; + case QRUtil::toCharCode('.') : return 42; + case QRUtil::toCharCode('/') : return 43; + case QRUtil::toCharCode(':') : return 44; + default : + trigger_error("illegal char : $c", E_USER_ERROR); + } + } + + } +} + +//--------------------------------------------------------------- +// QR8BitByte +//--------------------------------------------------------------- + +class QR8BitByte extends QRData { + + function QR8BitByte($data) { + QRData::QRData(QR_MODE_8BIT_BYTE, $data); + } + + function write(&$buffer) { + + $data = $this->getData(); + for ($i = 0; $i < strlen($data); $i++) { + $buffer->put(ord($data[$i]), 8); + } + } + + function getLength() { + return strlen($this->getData() ); + } +} + +//--------------------------------------------------------------- +// QRData +//--------------------------------------------------------------- + +class QRData { + + var $mode; + + var $data; + + function QRData($mode, $data) { + $this->mode = $mode; + $this->data = $data; + } + + function getMode() { + return $this->mode; + } + + function getData() { + return $this->data; + } + + function getLength() { + trigger_error("not implemented.", E_USER_ERROR); + } + + function write(&$buffer) { + trigger_error("not implemented.", E_USER_ERROR); + } + + function getLengthInBits($type) { + + if (1 <= $type && $type < 10) { + + // 1 - 9 + + switch($this->mode) { + case QR_MODE_NUMBER : return 10; + case QR_MODE_ALPHA_NUM : return 9; + case QR_MODE_8BIT_BYTE : return 8; + case QR_MODE_KANJI : return 8; + default : + trigger_error("mode:$this->mode", E_USER_ERROR); + } + + } else if ($type < 27) { + + // 10 - 26 + + switch($this->mode) { + case QR_MODE_NUMBER : return 12; + case QR_MODE_ALPHA_NUM : return 11; + case QR_MODE_8BIT_BYTE : return 16; + case QR_MODE_KANJI : return 10; + default : + trigger_error("mode:$this->mode", E_USER_ERROR); + } + + } else if ($type < 41) { + + // 27 - 40 + + switch($this->mode) { + case QR_MODE_NUMBER : return 14; + case QR_MODE_ALPHA_NUM : return 13; + case QR_MODE_8BIT_BYTE : return 16; + case QR_MODE_KANJI : return 12; + default : + trigger_error("mode:$this->mode", E_USER_ERROR); + } + + } else { + trigger_error("mode:$this->mode", E_USER_ERROR); + } + } + +} + +//--------------------------------------------------------------- +// QRMath +//--------------------------------------------------------------- + +class QRMath { + + static $QR_MATH_EXP_TABLE = null; + static $QR_MATH_LOG_TABLE = null; + + static function init() { + + self::$QR_MATH_EXP_TABLE = QRMath::createNumArray(256); + + for ($i = 0; $i < 8; $i++) { + self::$QR_MATH_EXP_TABLE[$i] = 1 << $i; + } + + for ($i = 8; $i < 256; $i++) { + self::$QR_MATH_EXP_TABLE[$i] = self::$QR_MATH_EXP_TABLE[$i - 4] + ^ self::$QR_MATH_EXP_TABLE[$i - 5] + ^ self::$QR_MATH_EXP_TABLE[$i - 6] + ^ self::$QR_MATH_EXP_TABLE[$i - 8]; + } + + self::$QR_MATH_LOG_TABLE = QRMath::createNumArray(256); + + for ($i = 0; $i < 255; $i++) { + self::$QR_MATH_LOG_TABLE[self::$QR_MATH_EXP_TABLE[$i] ] = $i; + } + } + + static function createNumArray($length) { + $num_array = array(); + for ($i = 0; $i < $length; $i++) { + $num_array[] = 0; + } + return $num_array; + } + + static function glog($n) { + + if ($n < 1) { + trigger_error("log($n)", E_USER_ERROR); + } + + return self::$QR_MATH_LOG_TABLE[$n]; + } + + static function gexp($n) { + + while ($n < 0) { + $n += 255; + } + + while ($n >= 256) { + $n -= 255; + } + + return self::$QR_MATH_EXP_TABLE[$n]; + } +} + +// init static table +QRMath::init(); + +//--------------------------------------------------------------- +// QRPolynomial +//--------------------------------------------------------------- + +class QRPolynomial { + + var $num; + + function QRPolynomial($num, $shift = 0) { + + $offset = 0; + + while ($offset < count($num) && $num[$offset] == 0) { + $offset++; + } + + $this->num = QRMath::createNumArray(count($num) - $offset + $shift); + for ($i = 0; $i < count($num) - $offset; $i++) { + $this->num[$i] = $num[$i + $offset]; + } + } + + function get($index) { + return $this->num[$index]; + } + + function getLength() { + return count($this->num); + } + + // PHP5 + function __toString() { + return $this->toString(); + } + + function toString() { + + $buffer = ""; + + for ($i = 0; $i < $this->getLength(); $i++) { + if ($i > 0) { + $buffer .= ","; + } + $buffer .= $this->get($i); + } + + return $buffer; + } + + function toLogString() { + + $buffer = ""; + + for ($i = 0; $i < $this->getLength(); $i++) { + if ($i > 0) { + $buffer .= ","; + } + $buffer .= QRMath::glog($this->get(i) ); + } + + return $buffer; + } + + function multiply($e) { + + $num = QRMath::createNumArray($this->getLength() + $e->getLength() - 1); + + for ($i = 0; $i < $this->getLength(); $i++) { + for ($j = 0; $j < $e->getLength(); $j++) { + $num[$i + $j] ^= QRMath::gexp(QRMath::glog($this->get($i) ) + QRMath::glog($e->get($j) ) ); + } + } + + return new QRPolynomial($num); + } + + function mod($e) { + + if ($this->getLength() - $e->getLength() < 0) { + return $this; + } + + $ratio = QRMath::glog($this->get(0) ) - QRMath::glog($e->get(0) ); + + $num = QRMath::createNumArray($this->getLength() ); + for ($i = 0; $i < $this->getLength(); $i++) { + $num[$i] = $this->get($i); + } + + for ($i = 0; $i < $e->getLength(); $i++) { + $num[$i] ^= QRMath::gexp(QRMath::glog($e->get($i) ) + $ratio); + } + + $newPolynomial = new QRPolynomial($num); + return $newPolynomial->mod($e); + } +} + +//--------------------------------------------------------------- +// Mode +//--------------------------------------------------------------- + +define("QR_MODE_NUMBER", 1 << 0); +define("QR_MODE_ALPHA_NUM", 1 << 1); +define("QR_MODE_8BIT_BYTE", 1 << 2); +define("QR_MODE_KANJI", 1 << 3); + +//--------------------------------------------------------------- +// MaskPattern +//--------------------------------------------------------------- + +define("QR_MASK_PATTERN000", 0); +define("QR_MASK_PATTERN001", 1); +define("QR_MASK_PATTERN010", 2); +define("QR_MASK_PATTERN011", 3); +define("QR_MASK_PATTERN100", 4); +define("QR_MASK_PATTERN101", 5); +define("QR_MASK_PATTERN110", 6); +define("QR_MASK_PATTERN111", 7); + +//--------------------------------------------------------------- +// ErrorCorrectLevel + +// 7%. +define("QR_ERROR_CORRECT_LEVEL_L", 1); +// 15%. +define("QR_ERROR_CORRECT_LEVEL_M", 0); +// 25%. +define("QR_ERROR_CORRECT_LEVEL_Q", 3); +// 30%. +define("QR_ERROR_CORRECT_LEVEL_H", 2); + + +//--------------------------------------------------------------- +// QRBitBuffer +//--------------------------------------------------------------- + +class QRBitBuffer { + + var $buffer; + var $length; + + function QRBitBuffer() { + $this->buffer = array(); + $this->length = 0; + } + + function getBuffer() { + return $this->buffer; + } + + function getLengthInBits() { + return $this->length; + } + + function __toString() { + $buffer = ""; + for ($i = 0; $i < $this->getLengthInBits(); $i++) { + $buffer .= $this->get($i)? '1' : '0'; + } + return $buffer; + } + + function get($index) { + $bufIndex = floor($index / 8); + return ( ($this->buffer[$bufIndex] >> (7 - $index % 8) ) & 1) == 1; + } + + function put($num, $length) { + + for ($i = 0; $i < $length; $i++) { + $this->putBit( ( ($num >> ($length - $i - 1) ) & 1) == 1); + } + } + + function putBit($bit) { + + $bufIndex = floor($this->length / 8); + if (count($this->buffer) <= $bufIndex) { + $this->buffer[] = 0; + } + + if ($bit) { + $this->buffer[$bufIndex] |= (0x80 >> ($this->length % 8) ); + } + + $this->length++; + } +} + +?> diff --git a/settings.php b/settings.php index 75ff671b..cd354905 100644 --- a/settings.php +++ b/settings.php @@ -666,6 +666,7 @@
    +