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codes/agent/game-docker/api/payment/alipay/lotusphp_runtime/Captcha/Captcha.php

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+<?php
+class LtCaptcha
+{
+	public $configHandle;
+	public $storeHandle;
+
+	public $imageEngine;
+
+	public function __construct()
+	{
+		if (! $this->configHandle instanceof LtConfig)
+		{
+			if (class_exists("LtObjectUtil", false))
+			{
+				$this->configHandle = LtObjectUtil::singleton("LtConfig");
+			}
+			else
+			{
+				$this->configHandle = new LtConfig;
+			}
+		}
+	}
+
+	public function init()
+	{
+		if (!is_object($this->storeHandle))
+		{
+			$this->storeHandle = new LtStoreFile;
+			$this->storeHandle->prefix = 'LtCaptcha-seed-';
+			$this->storeHandle->init();
+		}
+	}
+
+	public function getImageResource($seed)
+	{
+		if (empty($seed))
+		{
+			trigger_error("empty seed");
+			return false;
+		}
+		if (!is_object($this->imageEngine))
+		{
+			if ($imageEngine = $this->configHandle->get("captcha.image_engine"))
+			{
+				if (class_exists($imageEngine))
+				{
+					$this->imageEngine = new $imageEngine;
+					$this->imageEngine->conf = $this->configHandle->get("captcha.image_engine_conf");
+				}
+				else
+				{
+					trigger_error("captcha.image_engine : $imageEngine not exists");
+				}
+			}
+			else
+			{
+				trigger_error("empty captcha.image_engine");
+				return false;
+			}
+		}
+		$word = $this->generateRandCaptchaWord($seed);
+		$this->storeHandle->add($seed, $word);
+		return $this->imageEngine->drawImage($word);
+	}
+
+	public function verify($seed, $userInput)
+	{
+		if ($word = $this->storeHandle->get($seed))
+		{
+			$this->storeHandle->del($seed);
+			return $userInput === $word;
+		}
+		else
+		{
+			return false;
+		}
+	}
+
+	protected function generateRandCaptchaWord()
+	{
+		$allowChars = $this->configHandle->get("captcha.allow_chars");
+		$length = $this->configHandle->get("captcha.length");
+		$allowedSymbolsLength = strlen($allowChars) - 1;
+		$captchaWord = "";
+		for ($i = 0; $i < $length; $i ++)
+		{
+			$captchaWord .= $allowChars[mt_rand(0, $allowedSymbolsLength)];
+		}
+		return $captchaWord;
+	}
+}

codes/agent/game-docker/api/payment/alipay/lotusphp_runtime/Captcha/CaptchaImageEngine.php

@@ -0,0 +1,197 @@
+<?php
+/**
+ * Lotus Captcha component is inspired by "cool-php-captcha" project
+ * http://code.google.com/p/cool-php-captcha
+ */
+class LtCaptchaImageEngine
+{
+	public $conf;
+
+    protected $maxWordLength = 9;
+
+    /**
+     * * Background color in RGB-array
+     */
+    protected $backgroundColor = array(255, 255, 255);
+
+    /**
+     * * Foreground colors in RGB-array
+     */
+    protected $colors = array(
+        array(27, 78, 181), // blue
+        array(22, 163, 35), // green
+        array(214, 36, 7), // red
+        );
+
+    /**
+     * * Shadow color in RGB-array or null
+     */
+    protected $shadowColor = null; //array(0, 0, 0);
+    
+    /**
+     * Font configuration
+     * 
+     * - font: TTF file
+     * - spacing: relative pixel space between character
+     * - minSize: min font size
+     * - maxSize: max font size
+     */
+    protected $fonts = array('Antykwa' => array('spacing' => -3, 'minSize' => 27, 'maxSize' => 30, 'font' => 'AntykwaBold.ttf'),
+        'Candice' => array('spacing' => -1.5, 'minSize' => 28, 'maxSize' => 31, 'font' => 'Candice.ttf'),
+        'DingDong' => array('spacing' => -2, 'minSize' => 24, 'maxSize' => 30, 'font' => 'Ding-DongDaddyO.ttf'),
+        'Duality' => array('spacing' => -2, 'minSize' => 30, 'maxSize' => 38, 'font' => 'Duality.ttf'),
+        'Jura' => array('spacing' => -2, 'minSize' => 28, 'maxSize' => 32, 'font' => 'Jura.ttf'),
+        'StayPuft' => array('spacing' => -1.5, 'minSize' => 28, 'maxSize' => 32, 'font' => 'StayPuft.ttf'),
+        'Times' => array('spacing' => -2, 'minSize' => 28, 'maxSize' => 34, 'font' => 'TimesNewRomanBold.ttf'),
+        'VeraSans' => array('spacing' => -1, 'minSize' => 20, 'maxSize' => 28, 'font' => 'VeraSansBold.ttf'),
+        );
+
+    /**
+     * * Wave configuracion in X and Y axes
+     */
+    protected $Yperiod = 12;
+    protected $Yamplitude = 14;
+    protected $Xperiod = 11;
+    protected $Xamplitude = 5;
+
+    /**
+     * * GD image
+     */
+    protected $im;
+
+    public function drawImage($text)
+    {
+        /**
+         * * Initialization
+         */
+        $this->ImageAllocate();
+
+        $fontcfg = $this->fonts[array_rand($this->fonts)];
+        $this->WriteText($text, $fontcfg);
+
+        /**
+         * * Transformations
+         */
+        $this->WaveImage();
+        if ($this->conf['blur'] && function_exists('imagefilter'))
+        {
+            imagefilter($this->im, IMG_FILTER_GAUSSIAN_BLUR);
+        }
+        $this->ReduceImage();
+        return $this->im;
+    }
+
+    /**
+     * Creates the image resources
+     */
+    protected function ImageAllocate()
+    { 
+        // Cleanup
+        if (!empty($this->im))
+        {
+            imagedestroy($this->im);
+        }
+
+        $this->im = imagecreatetruecolor($this->conf['width'] * $this->conf['scale'], $this->conf['height'] * $this->conf['scale']); 
+        // Background color
+        $this->GdBgColor = imagecolorallocate($this->im,
+            $this->backgroundColor[0],
+            $this->backgroundColor[1],
+            $this->backgroundColor[2]
+            );
+        imagefilledrectangle($this->im, 0, 0, $this->conf['width'] * $this->conf['scale'], $this->conf['height'] * $this->conf['scale'], $this->GdBgColor); 
+        // Foreground color
+        $color = $this->colors[mt_rand(0, sizeof($this->colors)-1)];
+        $this->GdFgColor = imagecolorallocate($this->im, $color[0], $color[1], $color[2]); 
+        // Shadow color
+        if (!empty($this->shadowColor) && is_array($this->shadowColor) && sizeof($this->shadowColor) >= 3)
+        {
+            $this->GdShadowColor = imagecolorallocate($this->im,
+                $this->shadowColor[0],
+                $this->shadowColor[1],
+                $this->shadowColor[2]
+                );
+        }
+    }
+
+    /**
+     * Text insertion
+     */
+    protected function WriteText($text, $fontcfg = array())
+    {
+        if (empty($fontcfg))
+        { 
+            // Select the font configuration
+            $fontcfg = $this->fonts[array_rand($this->fonts)];
+        } 
+        // Full path of font file
+        $fontfile = dirname(__FILE__) . '/fonts/' . $fontcfg['font'];
+
+        /**
+         * * Increase font-size for shortest words: 9% for each glyp missing
+         */
+        $lettersMissing = $this->maxWordLength - strlen($text);
+        $fontSizefactor = 1 + ($lettersMissing * 0.09); 
+        // Text generation (char by char)
+        $x = 20 * $this->conf['scale'];
+        $y = round(($this->conf['height'] * 27 / 40) * $this->conf['scale']);
+        $length = strlen($text);
+        for ($i = 0; $i < $length; $i++)
+        {
+            $degree = rand($this->conf['max_rotation'] * -1, $this->conf['max_rotation']);
+            $fontsize = rand($fontcfg['minSize'], $fontcfg['maxSize']) * $this->conf['scale'] * $fontSizefactor;
+            $letter = substr($text, $i, 1);
+
+            if ($this->shadowColor)
+            {
+                $coords = imagettftext($this->im, $fontsize, $degree,
+                    $x + $this->conf['scale'], $y + $this->conf['scale'],
+                    $this->GdShadowColor, $fontfile, $letter);
+            }
+            $coords = imagettftext($this->im, $fontsize, $degree,
+                $x, $y,
+                $this->GdFgColor, $fontfile, $letter);
+            $x += ($coords[2] - $x) + ($fontcfg['spacing'] * $this->conf['scale']);
+        }
+    }
+
+    /**
+     * Wave filter
+     */
+    protected function WaveImage()
+    { 
+        // X-axis wave generation
+        $xp = $this->conf['scale'] * $this->Xperiod * rand(1, 3);
+        $k = rand(0, 100);
+        for ($i = 0; $i < ($this->conf['width'] * $this->conf['scale']); $i++)
+        {
+            imagecopy($this->im, $this->im,
+                $i-1, sin($k + $i / $xp) * ($this->conf['scale'] * $this->Xamplitude),
+                $i, 0, 1, $this->conf['height'] * $this->conf['scale']);
+        } 
+        // Y-axis wave generation
+        $k = rand(0, 100);
+        $yp = $this->conf['scale'] * $this->Yperiod * rand(1, 2);
+        for ($i = 0; $i < ($this->conf['height'] * $this->conf['scale']); $i++)
+        {
+            imagecopy($this->im, $this->im,
+                sin($k + $i / $yp) * ($this->conf['scale'] * $this->Yamplitude), $i-1,
+                0, $i, $this->conf['width'] * $this->conf['scale'], 1);
+        }
+    }
+
+    /**
+     * Reduce the image to the final size
+     */
+    protected function ReduceImage()
+    {
+        $imResampled = imagecreatetruecolor($this->conf['width'], $this->conf['height']);
+        imagecopyresampled($imResampled, $this->im,
+            0, 0, 0, 0,
+            $this->conf['width'], $this->conf['height'],
+            $this->conf['width'] * $this->conf['scale'], $this->conf['height'] * $this->conf['scale']
+            );
+        imagedestroy($this->im);
+        $this->im = $imResampled;
+    }
+}